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f8b2ac1e | 1 | /* Makeinfo -- convert Texinfo source files into Info files. |
d275726b | 2 | $Id: makeinfo.c,v 1.11 1998/07/06 21:58:00 law Exp $ |
6599da04 | 3 | |
d275726b JL |
4 | Copyright (C) 1987, 92, 93, 94, 95, 96, 97, 98 |
5 | Free Software Foundation, Inc. | |
6599da04 JM |
6 | |
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
20 | ||
f8b2ac1e JL |
21 | Makeinfo was authored by Brian Fox (bfox@ai.mit.edu). */ |
22 | ||
23 | /* Indent #pragma so that older Cpp's don't try to parse it. */ | |
24 | #ifdef _AIX | |
25 | #pragma alloca | |
26 | #endif /* _AIX */ | |
6599da04 JM |
27 | |
28 | int major_version = 1; | |
f8b2ac1e JL |
29 | int minor_version = 68; |
30 | ||
31 | #include "system.h" | |
32 | #include "getopt.h" | |
33 | ||
34 | #ifdef TM_IN_SYS_TIME | |
35 | #include <sys/time.h> | |
36 | #else | |
37 | #include <time.h> | |
38 | #endif /* !TM_IN_SYS_TIME */ | |
39 | ||
40 | #ifdef __GNUC__ | |
41 | # undef alloca | |
42 | # define alloca __builtin_alloca | |
43 | #else | |
44 | # ifdef HAVE_ALLOCA_H | |
45 | # include <alloca.h> | |
46 | # else | |
47 | # ifndef _AIX | |
48 | char *alloca (); | |
49 | # endif | |
50 | # endif | |
51 | #endif | |
52 | ||
53 | /* We'd like to take advantage of _doprnt if it's around, a la error.c, | |
54 | but then we'd have no VA_SPRINTF. */ | |
55 | #if HAVE_VPRINTF | |
56 | # if __STDC__ | |
57 | # include <stdarg.h> | |
58 | # define VA_START(args, lastarg) va_start(args, lastarg) | |
59 | # else | |
60 | # include <varargs.h> | |
61 | # define VA_START(args, lastarg) va_start(args) | |
62 | # endif | |
63 | # define VA_FPRINTF(file, fmt, ap) vfprintf (file, fmt, ap) | |
64 | # define VA_SPRINTF(str, fmt, ap) vsprintf (str, fmt, ap) | |
65 | #else /* not HAVE_VPRINTF */ | |
66 | # define VA_START(args, lastarg) | |
67 | # define va_alist a1, a2, a3, a4, a5, a6, a7, a8 | |
68 | # define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8; | |
69 | # define va_end(args) | |
70 | #endif | |
6599da04 | 71 | |
f8b2ac1e | 72 | /* You can change some of the behavior of Makeinfo by changing the |
6599da04 JM |
73 | following defines: */ |
74 | ||
75 | /* Define INDENT_PARAGRAPHS_IN_TABLE if you want the paragraphs which | |
76 | appear within an @table, @ftable, or @itemize environment to have | |
77 | standard paragraph indentation. Without this, such paragraphs have | |
78 | no starting indentation. */ | |
79 | /* #define INDENT_PARAGRAPHS_IN_TABLE */ | |
80 | ||
81 | /* Define DEFAULT_INDENTATION_INCREMENT as an integer which is the amount | |
82 | that @example should increase indentation by. This incremement is used | |
83 | for all insertions which indent the enclosed text. */ | |
84 | #define DEFAULT_INDENTATION_INCREMENT 5 | |
85 | ||
86 | /* Define PARAGRAPH_START_INDENT to be the amount of indentation that | |
87 | the first lines of paragraphs receive by default, where no other | |
88 | value has been specified. Users can change this value on the command | |
89 | line, with the --paragraph-indent option, or within the texinfo file, | |
90 | with the @paragraphindent command. */ | |
91 | #define PARAGRAPH_START_INDENT 3 | |
92 | ||
93 | /* Define DEFAULT_PARAGRAPH_SPACING as the number of blank lines that you | |
94 | wish to appear between paragraphs. A value of 1 creates a single blank | |
95 | line between paragraphs. Paragraphs are defined by 2 or more consecutive | |
96 | newlines in the input file (i.e., one or more blank lines). */ | |
97 | #define DEFAULT_PARAGRAPH_SPACING 1 | |
98 | ||
99 | /* Define HAVE_MACROS to enable the macro facility of Texinfo. Using this | |
f8b2ac1e JL |
100 | facility, users can create their own command procedures with |
101 | arguments. Must always be defined. */ | |
6599da04 JM |
102 | #define HAVE_MACROS |
103 | ||
104 | ||
6599da04 JM |
105 | #define COMPILING_MAKEINFO |
106 | #include "makeinfo.h" | |
107 | ||
f8b2ac1e | 108 | /* Nonzero means that we are currently hacking the insides of an |
6599da04 JM |
109 | insertion which would use a fixed width font. */ |
110 | static int in_fixed_width_font = 0; | |
111 | ||
f8b2ac1e | 112 | /* Nonzero means that start_paragraph () MUST be called before we pay |
6599da04 JM |
113 | any attention to close_paragraph () calls. */ |
114 | int must_start_paragraph = 0; | |
115 | ||
f8b2ac1e | 116 | /* Nonzero means a string is in execution, as opposed to a file. */ |
6599da04 JM |
117 | static int executing_string = 0; |
118 | ||
d275726b JL |
119 | /* Nonzero means a macro string is in execution, as opposed to a file. */ |
120 | static int me_executing_string = 0; | |
121 | ||
6599da04 JM |
122 | #if defined (HAVE_MACROS) |
123 | /* If non-NULL, this is an output stream to write the full macro expansion | |
f8b2ac1e | 124 | of the input text to. The result is another texinfo file, but |
6599da04 JM |
125 | missing @include, @infoinclude, @macro, and macro invocations. Instead, |
126 | all of the text is placed within the file. */ | |
127 | FILE *macro_expansion_output_stream = (FILE *)NULL; | |
f8b2ac1e | 128 | char *macro_expansion_filename; |
6599da04 JM |
129 | |
130 | /* Here is a structure used to remember input text strings and offsets | |
131 | within them. */ | |
132 | typedef struct { | |
f8b2ac1e JL |
133 | char *pointer; /* Pointer to the input text. */ |
134 | int offset; /* Offset of the last character output. */ | |
6599da04 JM |
135 | } ITEXT; |
136 | ||
137 | static ITEXT **itext_info = (ITEXT **)NULL; | |
138 | static int itext_size = 0; | |
139 | ||
f8b2ac1e JL |
140 | /* Nonzero means to inhibit writing macro expansions to the output |
141 | stream, because it has already been written. */ | |
6599da04 JM |
142 | int me_inhibit_expansion = 0; |
143 | ||
144 | ITEXT *remember_itext (); | |
145 | void forget_itext (), me_append_before_this_command (); | |
146 | void append_to_expansion_output (), write_region_to_macro_output (); | |
147 | void maybe_write_itext (), me_execute_string (); | |
148 | #endif /* HAVE_MACROS */ | |
149 | ||
6599da04 JM |
150 | \f |
151 | /* **************************************************************** */ | |
f8b2ac1e JL |
152 | /* */ |
153 | /* Global Variables */ | |
154 | /* */ | |
6599da04 JM |
155 | /* **************************************************************** */ |
156 | ||
157 | /* Global pointer to argv[0]. */ | |
158 | char *progname; | |
159 | ||
f8b2ac1e | 160 | /* Return nonzero if STRING is the text at input_text + input_text_offset, |
6599da04 JM |
161 | else zero. */ |
162 | #define looking_at(string) \ | |
163 | (strncmp (input_text + input_text_offset, string, strlen (string)) == 0) | |
164 | ||
165 | /* And writing to the output. */ | |
166 | ||
167 | /* The output file name. */ | |
168 | char *output_filename = (char *)NULL; | |
169 | char *pretty_output_filename; | |
170 | ||
171 | /* Name of the output file that the user elected to pass on the command line. | |
172 | Such a name overrides any name found with the @setfilename command. */ | |
173 | char *command_output_filename = (char *)NULL; | |
174 | ||
175 | /* A colon separated list of directories to search for files included | |
176 | with @include. This can be controlled with the `-I' option to makeinfo. */ | |
177 | char *include_files_path = (char *)NULL; | |
178 | ||
6599da04 JM |
179 | /* Position in the output file. */ |
180 | int output_position; | |
181 | ||
182 | #define INITIAL_PARAGRAPH_SPACE 5000 | |
183 | int paragraph_buffer_len = INITIAL_PARAGRAPH_SPACE; | |
184 | ||
f8b2ac1e | 185 | /* Nonzero indicates that filling will take place on long lines. */ |
6599da04 JM |
186 | int filling_enabled = 1; |
187 | ||
f8b2ac1e | 188 | /* Nonzero means that words are not to be split, even in long lines. This |
6599da04 JM |
189 | gets changed for cm_w (). */ |
190 | int non_splitting_words = 0; | |
191 | ||
f8b2ac1e | 192 | /* Nonzero indicates that filling a line also indents the new line. */ |
6599da04 JM |
193 | int indented_fill = 0; |
194 | ||
195 | /* The amount of indentation to add at the starts of paragraphs. | |
196 | 0 means don't change existing indentation at paragraph starts. | |
197 | > 0 is amount to indent new paragraphs by. | |
198 | < 0 means indent to column zero by removing indentation if necessary. | |
199 | ||
200 | This is normally zero, but some people prefer paragraph starts to be | |
201 | somewhat more indented than paragraph bodies. A pretty value for | |
202 | this is 3. */ | |
203 | int paragraph_start_indent = PARAGRAPH_START_INDENT; | |
204 | ||
f8b2ac1e | 205 | /* Nonzero means that the use of paragraph_start_indent is inhibited. |
6599da04 JM |
206 | @example uses this to line up the left columns of the example text. |
207 | A negative value for this variable is incremented each time it is used. | |
208 | @noindent uses this to inhibit indentation for a single paragraph. */ | |
209 | int inhibit_paragraph_indentation = 0; | |
210 | ||
211 | /* Indentation that is pending insertion. We have this for hacking lines | |
212 | which look blank, but contain whitespace. We want to treat those as | |
213 | blank lines. */ | |
214 | int pending_indent = 0; | |
215 | ||
216 | /* The amount that indentation increases/decreases by. */ | |
217 | int default_indentation_increment = DEFAULT_INDENTATION_INCREMENT; | |
218 | ||
f8b2ac1e | 219 | /* Nonzero indicates that indentation is temporarily turned off. */ |
6599da04 JM |
220 | int no_indent = 1; |
221 | ||
f8b2ac1e | 222 | /* Nonzero means forcing output text to be flushright. */ |
6599da04 JM |
223 | int force_flush_right = 0; |
224 | ||
f8b2ac1e | 225 | /* Nonzero means that the footnote style for this document was set on |
6599da04 JM |
226 | the command line, which overrides any other settings. */ |
227 | int footnote_style_preset = 0; | |
228 | ||
f8b2ac1e | 229 | /* Nonzero means that we automatically number footnotes that have no |
6599da04 JM |
230 | specified marker. */ |
231 | int number_footnotes = 1; | |
232 | ||
233 | /* The current footnote number in this node. Each time a new node is | |
234 | started this is reset to 1. */ | |
235 | int current_footnote_number = 1; | |
236 | ||
237 | /* Command name in the process of being hacked. */ | |
238 | char *command; | |
239 | ||
240 | /* The index in our internal command table of the currently | |
241 | executing command. */ | |
242 | int command_index; | |
243 | ||
244 | /* A search string which is used to find a line defining a node. */ | |
245 | char node_search_string[] = | |
f8b2ac1e | 246 | { '\n', COMMAND_PREFIX, 'n', 'o', 'd', 'e', ' ', 0 }; |
6599da04 JM |
247 | |
248 | /* A search string which is used to find a line defining a menu. */ | |
249 | char menu_search_string[] = | |
f8b2ac1e | 250 | { '\n', COMMAND_PREFIX, 'm', 'e', 'n', 'u', 0 }; |
6599da04 JM |
251 | |
252 | /* A search string which is used to find the first @setfilename. */ | |
253 | char setfilename_search[] = | |
254 | { COMMAND_PREFIX, | |
f8b2ac1e | 255 | 's', 'e', 't', 'f', 'i', 'l', 'e', 'n', 'a', 'm', 'e', 0 }; |
6599da04 JM |
256 | |
257 | /* A stack of file information records. If a new file is read in with | |
258 | "@input", we remember the old input file state on this stack. */ | |
259 | typedef struct fstack | |
260 | { | |
261 | struct fstack *next; | |
262 | char *filename; | |
263 | char *text; | |
264 | int size; | |
265 | int offset; | |
266 | int line_number; | |
267 | } FSTACK; | |
268 | ||
269 | FSTACK *filestack = (FSTACK *) NULL; | |
270 | ||
271 | /* Stuff for nodes. */ | |
272 | /* The current nodes node name. */ | |
273 | char *current_node = (char *)NULL; | |
274 | ||
275 | /* The current nodes section level. */ | |
276 | int current_section = 0; | |
277 | ||
278 | /* The filename of the current input file. This is never freed. */ | |
279 | char *node_filename = (char *)NULL; | |
280 | ||
281 | /* What we remember for each node. */ | |
282 | typedef struct tentry | |
283 | { | |
284 | struct tentry *next_ent; | |
f8b2ac1e JL |
285 | char *node; /* name of this node. */ |
286 | char *prev; /* name of "Prev:" for this node. */ | |
287 | char *next; /* name of "Next:" for this node. */ | |
288 | char *up; /* name of "Up:" for this node. */ | |
289 | int position; /* output file position of this node. */ | |
290 | int line_no; /* defining line in source file. */ | |
291 | char *filename; /* The file that this node was found in. */ | |
292 | int touched; /* Nonzero means this node has been referenced. */ | |
293 | int flags; /* Room for growth. Right now, contains 1 bit. */ | |
6599da04 JM |
294 | } TAG_ENTRY; |
295 | ||
296 | /* If node-a has a "Next" for node-b, but node-b has no "Prev" for node-a, | |
297 | we turn on this flag bit in node-b's tag entry. This means that when | |
298 | it is time to validate node-b, we don't report an additional error | |
299 | if there was no "Prev" field. */ | |
300 | #define PREV_ERROR 0x1 | |
301 | #define NEXT_ERROR 0x2 | |
302 | #define UP_ERROR 0x4 | |
f8b2ac1e JL |
303 | #define NO_WARN 0x8 |
304 | #define IS_TOP 0x10 | |
6599da04 JM |
305 | |
306 | TAG_ENTRY *tag_table = (TAG_ENTRY *) NULL; | |
307 | ||
f8b2ac1e JL |
308 | /* Values for calling handle_variable_internal (). */ |
309 | #define SET 1 | |
310 | #define CLEAR 2 | |
311 | #define IFSET 3 | |
312 | #define IFCLEAR 4 | |
313 | ||
6599da04 | 314 | #if defined (HAVE_MACROS) |
f8b2ac1e JL |
315 | #define ME_RECURSE 0x01 |
316 | #define ME_QUOTE_ARG 0x02 | |
6599da04 JM |
317 | |
318 | /* Macro definitions for user-defined commands. */ | |
319 | typedef struct { | |
f8b2ac1e JL |
320 | char *name; /* Name of the macro. */ |
321 | char **arglist; /* Args to replace when executing. */ | |
322 | char *body; /* Macro body. */ | |
323 | char *source_file; /* File where this macro is defined. */ | |
324 | int source_lineno; /* Line number within FILENAME. */ | |
325 | int inhibited; /* Nonzero means make find_macro () fail. */ | |
326 | int flags; /* ME_RECURSE, ME_QUOTE_ARG, etc. */ | |
6599da04 JM |
327 | } MACRO_DEF; |
328 | ||
329 | void add_macro (), execute_macro (); | |
330 | MACRO_DEF *find_macro (), *delete_macro (); | |
331 | #endif /* HAVE_MACROS */ | |
332 | ||
333 | /* Menu reference, *note reference, and validation hacking. */ | |
334 | ||
335 | /* The various references that we know about. */ | |
336 | enum reftype | |
337 | { | |
338 | menu_reference, followed_reference | |
339 | }; | |
340 | ||
341 | /* A structure to remember references with. A reference to a node is | |
342 | either an entry in a menu, or a cross-reference made with [px]ref. */ | |
343 | typedef struct node_ref | |
344 | { | |
345 | struct node_ref *next; | |
f8b2ac1e JL |
346 | char *node; /* Name of node referred to. */ |
347 | char *containing_node; /* Name of node containing this reference. */ | |
348 | int line_no; /* Line number where the reference occurs. */ | |
349 | int section; /* Section level where the reference occurs. */ | |
350 | char *filename; /* Name of file where the reference occurs. */ | |
351 | enum reftype type; /* Type of reference, either menu or note. */ | |
6599da04 JM |
352 | } NODE_REF; |
353 | ||
354 | /* The linked list of such structures. */ | |
355 | NODE_REF *node_references = (NODE_REF *) NULL; | |
356 | ||
357 | /* Flag which tells us whether to examine menu lines or not. */ | |
358 | int in_menu = 0; | |
359 | ||
360 | /* Flag which tells us how to examine menu lines. */ | |
361 | int in_detailmenu = 0; | |
362 | ||
f8b2ac1e | 363 | /* Nonzero means that we have seen "@top" once already. */ |
6599da04 JM |
364 | int top_node_seen = 0; |
365 | ||
f8b2ac1e | 366 | /* Nonzero means that we have seen a non-"@top" node already. */ |
6599da04 JM |
367 | int non_top_node_seen = 0; |
368 | ||
369 | /* Flags controlling the operation of the program. */ | |
370 | ||
f8b2ac1e JL |
371 | /* Default is to remove output if there were errors. */ |
372 | int force = 0; | |
373 | ||
6599da04 JM |
374 | /* Default is to notify users of bad choices. */ |
375 | int print_warnings = 1; | |
376 | ||
377 | /* Default is to check node references. */ | |
378 | int validating = 1; | |
379 | ||
f8b2ac1e | 380 | /* Nonzero means do not output "Node: Foo" for node separations. */ |
6599da04 JM |
381 | int no_headers = 0; |
382 | ||
383 | /* Number of errors that we tolerate on a given fileset. */ | |
384 | int max_error_level = 100; | |
385 | ||
386 | /* Maximum number of references to a single node before complaining. */ | |
387 | int reference_warning_limit = 1000; | |
388 | ||
f8b2ac1e | 389 | /* Nonzero means print out information about what is going on when it |
6599da04 JM |
390 | is going on. */ |
391 | int verbose_mode = 0; | |
392 | ||
f8b2ac1e | 393 | /* Nonzero means to be relaxed about the input file. This is useful when |
6599da04 JM |
394 | we can successfully format the input, but it doesn't strictly match our |
395 | somewhat pedantic ideas of correctness. Right now, it affects what | |
396 | @table and @itemize do without arguments. */ | |
397 | int allow_lax_format = 0; | |
398 | ||
399 | /* The list of commands that we hack in texinfo. Each one | |
400 | has an associated function. When the command is encountered in the | |
401 | text, the associated function is called with START as the argument. | |
402 | If the function expects arguments in braces, it remembers itself on | |
403 | the stack. When the corresponding close brace is encountered, the | |
404 | function is called with END as the argument. */ | |
405 | ||
406 | #define START 0 | |
407 | #define END 1 | |
408 | ||
409 | typedef struct brace_element | |
410 | { | |
411 | struct brace_element *next; | |
412 | COMMAND_FUNCTION *proc; | |
413 | int pos, line; | |
414 | int in_fixed_width_font; | |
415 | } BRACE_ELEMENT; | |
416 | ||
417 | BRACE_ELEMENT *brace_stack = (BRACE_ELEMENT *) NULL; | |
418 | ||
6599da04 JM |
419 | extern void do_multitable (); |
420 | ||
421 | void print_version_info (); | |
422 | void usage (); | |
423 | void push_node_filename (), pop_node_filename (); | |
f8b2ac1e | 424 | void remember_error (), flush_file_stack (); |
6599da04 JM |
425 | void convert_from_stream (), convert_from_file (), convert_from_loaded_file (); |
426 | void init_internals (), init_paragraph (), init_brace_stack (); | |
427 | void init_insertion_stack (), init_indices (); | |
428 | void init_tag_table (), write_tag_table (), write_tag_table_internal (); | |
429 | void validate_file (), validate_other_references (), split_file (); | |
430 | void free_node_references (), do_enumeration (), handle_variable (); | |
431 | void handle_variable_internal (); | |
6599da04 JM |
432 | void normalize_node_name (); |
433 | void undefindex (), top_defindex (), gen_defindex (); | |
434 | void define_user_command (); | |
435 | void free_pending_notes (), output_pending_notes (); | |
436 | ||
f8b2ac1e JL |
437 | char **get_brace_args (); |
438 | char *expansion (); | |
439 | int array_len (); | |
440 | void free_array (); | |
441 | static int end_of_sentence_p (); | |
442 | static void isolate_nodename (); | |
6599da04 JM |
443 | void reader_loop (), read_command (); |
444 | void remember_brace (), remember_brace_1 (); | |
445 | void pop_and_call_brace (), discard_braces (); | |
f8b2ac1e | 446 | void add_word (), add_char (), insert (), flush_output (); |
6599da04 JM |
447 | void insert_string (); |
448 | void close_paragraph_with_lines (), close_paragraph (); | |
449 | void ignore_blank_line (); | |
f8b2ac1e | 450 | void do_flush_right_indentation (), discard_insertions (); |
6599da04 | 451 | void start_paragraph (), indent (); |
f8b2ac1e JL |
452 | #if defined (VA_FPRINTF) && __STDC__ |
453 | /* Unfortunately we must use prototypes if we are to use <stdarg.h>. */ | |
454 | void add_word_args (char *, ...); | |
455 | void execute_string (char *, ...); | |
456 | #else | |
457 | void add_word_args (); | |
458 | void execute_string (); | |
459 | #endif /* will not use prototypes */ | |
6599da04 JM |
460 | \f |
461 | void insert_self (), insert_space (), cm_ignore_line (); | |
462 | ||
463 | void | |
464 | cm_TeX (), cm_asterisk (), cm_bullet (), cm_cite (), | |
465 | cm_code (), cm_copyright (), cm_ctrl (), cm_dfn (), cm_dircategory (), | |
466 | cm_direntry (), cm_dots (), cm_emph (), cm_enddots (), | |
f8b2ac1e JL |
467 | cm_kbd (), cm_key (), cm_no_op (), cm_no_op_line_arg (), |
468 | cm_not_fixed_width (), cm_strong (), cm_var_sc (), cm_w (), cm_image (); | |
6599da04 JM |
469 | |
470 | /* Sectioning. */ | |
471 | void | |
472 | cm_chapter (), cm_unnumbered (), cm_appendix (), cm_top (), | |
473 | cm_section (), cm_unnumberedsec (), cm_appendixsec (), | |
474 | cm_subsection (), cm_unnumberedsubsec (), cm_appendixsubsec (), | |
475 | cm_subsubsection (), cm_unnumberedsubsubsec (), cm_appendixsubsubsec (), | |
476 | cm_heading (), cm_chapheading (), cm_subheading (), cm_subsubheading (), | |
477 | cm_majorheading (), cm_raisesections (), cm_lowersections (); | |
478 | ||
f8b2ac1e | 479 | /* All @def... commands map to cm_defun, most accent commands map to |
6599da04 JM |
480 | cm_accent, most non-English letters map to cm_special_char. */ |
481 | void cm_defun (), cm_accent (), cm_special_char (), cm_dotless (); | |
482 | ||
483 | void | |
484 | cm_node (), cm_menu (), cm_xref (), cm_ftable (), cm_vtable (), cm_pxref (), | |
f8b2ac1e JL |
485 | cm_inforef (), cm_uref (), cm_email (), cm_quotation (), |
486 | cm_display (), cm_itemize (), | |
6599da04 JM |
487 | cm_enumerate (), cm_tab (), cm_table (), cm_itemx (), cm_noindent (), |
488 | cm_setfilename (), cm_br (), cm_sp (), cm_page (), cm_group (), | |
489 | cm_center (), cm_include (), cm_bye (), cm_item (), cm_end (), | |
f8b2ac1e | 490 | cm_ifinfo (), cm_ifnothtml (), cm_ifnottex (), cm_kindex (), cm_cindex (), |
6599da04 JM |
491 | cm_findex (), cm_pindex (), cm_vindex (), cm_tindex (), |
492 | cm_synindex (), cm_printindex (), cm_minus (), cm_footnote (), | |
493 | cm_example (), cm_smallexample (), cm_lisp (), cm_format (), cm_exdent (), | |
f8b2ac1e | 494 | cm_defindex (), cm_defcodeindex (), cm_result (), cm_expansion (), |
6599da04 JM |
495 | cm_equiv (), cm_print (), cm_error (), cm_point (), cm_today (), |
496 | cm_flushleft (), cm_flushright (), cm_smalllisp (), cm_finalout (), | |
497 | cm_cartouche (), cm_detailmenu (), cm_multitable (); | |
498 | ||
499 | /* Conditionals. */ | |
500 | void cm_set (), cm_clear (), cm_ifset (), cm_ifclear (); | |
501 | void cm_value (), cm_ifeq (); | |
502 | ||
503 | #if defined (HAVE_MACROS) | |
504 | /* Define a user-defined command which is simple substitution. */ | |
505 | void cm_macro (), cm_unmacro (); | |
506 | #endif /* HAVE_MACROS */ | |
507 | ||
508 | /* Options. */ | |
509 | void cm_paragraphindent (), cm_footnotestyle (); | |
510 | ||
511 | /* Internals. */ | |
512 | void command_name_condition (), misplaced_brace (), cm_obsolete (), | |
513 | cm_ideprecated (); | |
514 | ||
515 | typedef struct | |
516 | { | |
517 | char *name; | |
518 | COMMAND_FUNCTION *proc; | |
519 | int argument_in_braces; | |
520 | } COMMAND; | |
521 | ||
522 | /* Stuff for defining commands on the fly. */ | |
523 | COMMAND **user_command_array = (COMMAND **) NULL; | |
524 | int user_command_array_len = 0; | |
525 | ||
526 | #define NO_BRACE_ARGS 0 | |
527 | #define BRACE_ARGS 1 | |
528 | ||
f8b2ac1e | 529 | static COMMAND command_table[] = { |
6599da04 JM |
530 | { "\t", insert_space, NO_BRACE_ARGS }, |
531 | { "\n", insert_space, NO_BRACE_ARGS }, | |
532 | { " ", insert_self, NO_BRACE_ARGS }, | |
533 | { "!", insert_self, NO_BRACE_ARGS }, | |
534 | { "\"", insert_self, NO_BRACE_ARGS }, | |
535 | { "'", insert_self, NO_BRACE_ARGS }, | |
536 | { "*", cm_asterisk, NO_BRACE_ARGS }, | |
537 | { ",", cm_accent, BRACE_ARGS }, | |
538 | { "-", cm_no_op, NO_BRACE_ARGS }, | |
539 | { ".", insert_self, NO_BRACE_ARGS }, | |
540 | { ":", cm_no_op, NO_BRACE_ARGS }, | |
541 | { "=", insert_self, NO_BRACE_ARGS }, | |
542 | { "?", insert_self, NO_BRACE_ARGS }, | |
543 | { "@", insert_self, NO_BRACE_ARGS }, | |
544 | { "^", insert_self, NO_BRACE_ARGS }, | |
545 | { "`", insert_self, NO_BRACE_ARGS }, | |
546 | { "{", insert_self, NO_BRACE_ARGS }, | |
547 | { "|", cm_no_op, NO_BRACE_ARGS }, | |
548 | { "}", insert_self, NO_BRACE_ARGS }, | |
549 | { "~", insert_self, NO_BRACE_ARGS }, | |
550 | { "AA", insert_self, BRACE_ARGS }, | |
551 | { "AE", insert_self, BRACE_ARGS }, | |
552 | { "H", cm_accent, BRACE_ARGS }, | |
553 | { "L", cm_special_char, BRACE_ARGS }, | |
554 | { "O", cm_special_char, BRACE_ARGS }, | |
555 | { "OE", insert_self, BRACE_ARGS }, | |
556 | { "TeX", cm_TeX, BRACE_ARGS }, | |
557 | { "aa", insert_self, BRACE_ARGS }, | |
558 | { "ae", insert_self, BRACE_ARGS }, | |
559 | { "appendix", cm_appendix, NO_BRACE_ARGS }, | |
560 | { "appendixsection", cm_appendixsec, NO_BRACE_ARGS }, | |
561 | { "appendixsec", cm_appendixsec, NO_BRACE_ARGS }, | |
562 | { "appendixsubsec", cm_appendixsubsec, NO_BRACE_ARGS }, | |
563 | { "appendixsubsubsec", cm_appendixsubsubsec, NO_BRACE_ARGS }, | |
564 | { "asis", cm_no_op, BRACE_ARGS }, | |
565 | { "b", cm_not_fixed_width, BRACE_ARGS }, | |
566 | { "bullet", cm_bullet, BRACE_ARGS }, | |
567 | { "bye", cm_bye, NO_BRACE_ARGS }, | |
568 | { "c", cm_ignore_line, NO_BRACE_ARGS }, | |
569 | { "cartouche", cm_cartouche, NO_BRACE_ARGS }, | |
570 | { "center", cm_center, NO_BRACE_ARGS }, | |
571 | { "centerchap", cm_unnumbered, NO_BRACE_ARGS }, | |
572 | { "chapheading", cm_chapheading, NO_BRACE_ARGS }, | |
573 | { "chapter", cm_chapter, NO_BRACE_ARGS }, | |
574 | { "cindex", cm_cindex, NO_BRACE_ARGS }, | |
575 | { "cite", cm_cite, BRACE_ARGS }, | |
576 | { "clear", cm_clear, NO_BRACE_ARGS }, | |
577 | { "code", cm_code, BRACE_ARGS }, | |
578 | { "comment", cm_ignore_line, NO_BRACE_ARGS }, | |
579 | { "contents", cm_no_op, NO_BRACE_ARGS }, | |
580 | { "copyright", cm_copyright, BRACE_ARGS }, | |
581 | { "ctrl", cm_obsolete, BRACE_ARGS }, | |
582 | { "defcodeindex", cm_defcodeindex, NO_BRACE_ARGS }, | |
583 | { "defindex", cm_defindex, NO_BRACE_ARGS }, | |
584 | /* The `def' commands. */ | |
585 | { "defcv", cm_defun, NO_BRACE_ARGS }, | |
586 | { "defcvx", cm_defun, NO_BRACE_ARGS }, | |
587 | { "deffn", cm_defun, NO_BRACE_ARGS }, | |
588 | { "deffnx", cm_defun, NO_BRACE_ARGS }, | |
589 | { "defivar", cm_defun, NO_BRACE_ARGS }, | |
590 | { "defivarx", cm_defun, NO_BRACE_ARGS }, | |
591 | { "defmac", cm_defun, NO_BRACE_ARGS }, | |
592 | { "defmacx", cm_defun, NO_BRACE_ARGS }, | |
593 | { "defmethod", cm_defun, NO_BRACE_ARGS }, | |
594 | { "defmethodx", cm_defun, NO_BRACE_ARGS }, | |
595 | { "defop", cm_defun, NO_BRACE_ARGS }, | |
596 | { "defopt", cm_defun, NO_BRACE_ARGS }, | |
597 | { "defoptx", cm_defun, NO_BRACE_ARGS }, | |
598 | { "defopx", cm_defun, NO_BRACE_ARGS }, | |
599 | { "defspec", cm_defun, NO_BRACE_ARGS }, | |
600 | { "defspecx", cm_defun, NO_BRACE_ARGS }, | |
601 | { "deftp", cm_defun, NO_BRACE_ARGS }, | |
602 | { "deftpx", cm_defun, NO_BRACE_ARGS }, | |
603 | { "deftypefn", cm_defun, NO_BRACE_ARGS }, | |
604 | { "deftypefnx", cm_defun, NO_BRACE_ARGS }, | |
605 | { "deftypefun", cm_defun, NO_BRACE_ARGS }, | |
606 | { "deftypefunx", cm_defun, NO_BRACE_ARGS }, | |
607 | { "deftypemethod", cm_defun, NO_BRACE_ARGS }, | |
608 | { "deftypemethodx", cm_defun, NO_BRACE_ARGS }, | |
609 | { "deftypevar", cm_defun, NO_BRACE_ARGS }, | |
610 | { "deftypevarx", cm_defun, NO_BRACE_ARGS }, | |
611 | { "deftypevr", cm_defun, NO_BRACE_ARGS }, | |
612 | { "deftypevrx", cm_defun, NO_BRACE_ARGS }, | |
613 | { "defun", cm_defun, NO_BRACE_ARGS }, | |
614 | { "defunx", cm_defun, NO_BRACE_ARGS }, | |
615 | { "defvar", cm_defun, NO_BRACE_ARGS }, | |
616 | { "defvarx", cm_defun, NO_BRACE_ARGS }, | |
617 | { "defvr", cm_defun, NO_BRACE_ARGS }, | |
618 | { "defvrx", cm_defun, NO_BRACE_ARGS }, | |
619 | /* The end of the `def' commands. */ | |
620 | { "detailmenu", cm_detailmenu, NO_BRACE_ARGS }, | |
621 | { "dfn", cm_dfn, BRACE_ARGS }, | |
622 | { "dircategory", cm_dircategory, NO_BRACE_ARGS }, | |
623 | { "direntry", cm_direntry, NO_BRACE_ARGS }, | |
624 | { "display", cm_display, NO_BRACE_ARGS }, | |
625 | { "dmn", cm_no_op, BRACE_ARGS }, | |
626 | { "dotaccent", cm_accent, BRACE_ARGS }, | |
627 | { "dotless", cm_dotless, BRACE_ARGS }, | |
628 | { "dots", cm_dots, BRACE_ARGS }, | |
f8b2ac1e | 629 | { "email", cm_email, BRACE_ARGS }, |
6599da04 JM |
630 | { "emph", cm_emph, BRACE_ARGS }, |
631 | { "end", cm_end, NO_BRACE_ARGS }, | |
632 | { "enddots", cm_enddots, BRACE_ARGS }, | |
633 | { "enumerate", cm_enumerate, NO_BRACE_ARGS }, | |
634 | { "equiv", cm_equiv, BRACE_ARGS }, | |
635 | { "error", cm_error, BRACE_ARGS }, | |
636 | { "example", cm_example, NO_BRACE_ARGS }, | |
637 | { "exclamdown", cm_special_char, BRACE_ARGS }, | |
638 | { "exdent", cm_exdent, NO_BRACE_ARGS }, | |
639 | { "expansion", cm_expansion, BRACE_ARGS }, | |
640 | { "file", cm_code, BRACE_ARGS }, | |
641 | { "finalout", cm_no_op, NO_BRACE_ARGS }, | |
642 | { "findex", cm_findex, NO_BRACE_ARGS }, | |
643 | { "flushleft", cm_flushleft, NO_BRACE_ARGS }, | |
644 | { "flushright", cm_flushright, NO_BRACE_ARGS }, | |
645 | { "footnote", cm_footnote, NO_BRACE_ARGS}, /* self-arg eater */ | |
646 | { "footnotestyle", cm_footnotestyle, NO_BRACE_ARGS }, | |
647 | { "format", cm_format, NO_BRACE_ARGS }, | |
648 | { "ftable", cm_ftable, NO_BRACE_ARGS }, | |
649 | { "group", cm_group, NO_BRACE_ARGS }, | |
650 | { "heading", cm_heading, NO_BRACE_ARGS }, | |
651 | { "headings", cm_ignore_line, NO_BRACE_ARGS }, | |
f8b2ac1e | 652 | { "html", command_name_condition, NO_BRACE_ARGS }, |
6599da04 JM |
653 | { "hyphenation", cm_no_op, BRACE_ARGS }, |
654 | { "i", cm_not_fixed_width, BRACE_ARGS }, | |
655 | { "ifclear", cm_ifclear, NO_BRACE_ARGS }, | |
656 | { "ifeq", cm_ifeq, NO_BRACE_ARGS }, | |
657 | { "ifhtml", command_name_condition, NO_BRACE_ARGS }, | |
658 | { "ifinfo", cm_ifinfo, NO_BRACE_ARGS }, | |
f8b2ac1e JL |
659 | { "ifnothtml", cm_ifnothtml, NO_BRACE_ARGS }, |
660 | { "ifnotinfo", command_name_condition, NO_BRACE_ARGS }, | |
661 | { "ifnottex", cm_ifnottex, NO_BRACE_ARGS }, | |
6599da04 JM |
662 | { "ifset", cm_ifset, NO_BRACE_ARGS }, |
663 | { "iftex", command_name_condition, NO_BRACE_ARGS }, | |
664 | { "ignore", command_name_condition, NO_BRACE_ARGS }, | |
f8b2ac1e | 665 | { "image", cm_image, BRACE_ARGS }, |
6599da04 JM |
666 | { "include", cm_include, NO_BRACE_ARGS }, |
667 | { "inforef", cm_inforef, BRACE_ARGS }, | |
668 | { "item", cm_item, NO_BRACE_ARGS }, | |
669 | { "itemize", cm_itemize, NO_BRACE_ARGS }, | |
670 | { "itemx", cm_itemx, NO_BRACE_ARGS }, | |
671 | { "kbd", cm_kbd, BRACE_ARGS }, | |
f8b2ac1e JL |
672 | { "kbdinputstyle", cm_no_op_line_arg, NO_BRACE_ARGS }, |
673 | { "key", cm_key, BRACE_ARGS }, | |
6599da04 JM |
674 | { "kindex", cm_kindex, NO_BRACE_ARGS }, |
675 | { "l", cm_special_char, BRACE_ARGS }, | |
676 | { "lisp", cm_lisp, NO_BRACE_ARGS }, | |
677 | { "lowersections", cm_lowersections, NO_BRACE_ARGS }, | |
6599da04 | 678 | { "macro", cm_macro, NO_BRACE_ARGS }, |
6599da04 JM |
679 | { "majorheading", cm_majorheading, NO_BRACE_ARGS }, |
680 | { "math", cm_no_op, BRACE_ARGS }, | |
681 | { "menu", cm_menu, NO_BRACE_ARGS }, | |
682 | { "minus", cm_minus, BRACE_ARGS }, | |
683 | { "multitable", cm_multitable, NO_BRACE_ARGS }, | |
684 | { "need", cm_ignore_line, NO_BRACE_ARGS }, | |
685 | { "node", cm_node, NO_BRACE_ARGS }, | |
686 | { "noindent", cm_noindent, NO_BRACE_ARGS }, | |
687 | { "nwnode", cm_node, NO_BRACE_ARGS }, | |
688 | { "o", cm_special_char, BRACE_ARGS }, | |
689 | { "oe", insert_self, BRACE_ARGS }, | |
690 | { "page", cm_no_op, NO_BRACE_ARGS }, | |
691 | { "paragraphindent", cm_paragraphindent, NO_BRACE_ARGS }, | |
692 | { "pindex", cm_pindex, NO_BRACE_ARGS }, | |
693 | { "point", cm_point, BRACE_ARGS }, | |
694 | { "pounds", cm_special_char, BRACE_ARGS }, | |
695 | { "print", cm_print, BRACE_ARGS }, | |
696 | { "printindex", cm_printindex, NO_BRACE_ARGS }, | |
697 | { "pxref", cm_pxref, BRACE_ARGS }, | |
698 | { "questiondown", cm_special_char, BRACE_ARGS }, | |
699 | { "quotation", cm_quotation, NO_BRACE_ARGS }, | |
700 | { "r", cm_not_fixed_width, BRACE_ARGS }, | |
701 | { "raisesections", cm_raisesections, NO_BRACE_ARGS }, | |
702 | { "ref", cm_xref, BRACE_ARGS }, | |
703 | { "refill", cm_no_op, NO_BRACE_ARGS }, | |
704 | { "result", cm_result, BRACE_ARGS }, | |
705 | { "ringaccent", cm_accent, BRACE_ARGS }, | |
706 | { "samp", cm_code, BRACE_ARGS }, | |
f8b2ac1e | 707 | { "sc", cm_var_sc, BRACE_ARGS }, |
6599da04 JM |
708 | { "section", cm_section, NO_BRACE_ARGS }, |
709 | { "set", cm_set, NO_BRACE_ARGS }, | |
710 | { "setchapternewpage", cm_ignore_line, NO_BRACE_ARGS }, | |
711 | { "setchapterstyle", cm_obsolete, NO_BRACE_ARGS }, | |
712 | { "setfilename", cm_setfilename, NO_BRACE_ARGS }, | |
713 | { "settitle", cm_ignore_line, NO_BRACE_ARGS }, | |
714 | { "shortcontents", cm_no_op, NO_BRACE_ARGS }, | |
715 | { "shorttitlepage", cm_ignore_line, NO_BRACE_ARGS }, | |
716 | { "smallbook", cm_ignore_line, NO_BRACE_ARGS }, | |
717 | { "smallexample", cm_smallexample, NO_BRACE_ARGS }, | |
718 | { "smalllisp", cm_smalllisp, NO_BRACE_ARGS }, | |
719 | { "sp", cm_sp, NO_BRACE_ARGS }, | |
720 | { "ss", insert_self, BRACE_ARGS }, | |
721 | { "strong", cm_strong, BRACE_ARGS }, | |
722 | { "subheading", cm_subheading, NO_BRACE_ARGS }, | |
723 | { "subsection", cm_subsection, NO_BRACE_ARGS }, | |
724 | { "subsubheading", cm_subsubheading, NO_BRACE_ARGS }, | |
725 | { "subsubsection", cm_subsubsection, NO_BRACE_ARGS }, | |
726 | { "summarycontents", cm_no_op, NO_BRACE_ARGS }, | |
727 | { "syncodeindex", cm_synindex, NO_BRACE_ARGS }, | |
728 | { "synindex", cm_synindex, NO_BRACE_ARGS }, | |
729 | { "t", cm_no_op, BRACE_ARGS }, | |
730 | { "tab", cm_tab, NO_BRACE_ARGS }, | |
731 | { "table", cm_table, NO_BRACE_ARGS }, | |
732 | { "tex", command_name_condition, NO_BRACE_ARGS }, | |
733 | { "tieaccent", cm_accent, BRACE_ARGS }, | |
734 | { "tindex", cm_tindex, NO_BRACE_ARGS }, | |
735 | { "titlefont", cm_not_fixed_width, BRACE_ARGS }, | |
736 | { "titlepage", command_name_condition, NO_BRACE_ARGS }, | |
737 | { "today", cm_today, BRACE_ARGS }, | |
738 | { "top", cm_top, NO_BRACE_ARGS }, | |
739 | { "u", cm_accent, BRACE_ARGS }, | |
740 | { "ubaraccent", cm_accent, BRACE_ARGS }, | |
741 | { "udotaccent", cm_accent, BRACE_ARGS }, | |
742 | #if defined (HAVE_MACROS) | |
743 | { "unmacro", cm_unmacro, NO_BRACE_ARGS }, | |
744 | #endif | |
745 | { "unnumbered", cm_unnumbered, NO_BRACE_ARGS }, | |
746 | { "unnumberedsec", cm_unnumberedsec, NO_BRACE_ARGS }, | |
747 | { "unnumberedsubsec", cm_unnumberedsubsec, NO_BRACE_ARGS }, | |
748 | { "unnumberedsubsubsec", cm_unnumberedsubsubsec, NO_BRACE_ARGS }, | |
f8b2ac1e | 749 | { "uref", cm_uref, BRACE_ARGS }, |
6599da04 JM |
750 | { "url", cm_code, BRACE_ARGS }, |
751 | { "v", cm_accent, BRACE_ARGS }, | |
752 | { "value", cm_value, BRACE_ARGS }, | |
f8b2ac1e | 753 | { "var", cm_var_sc, BRACE_ARGS }, |
6599da04 JM |
754 | { "vindex", cm_vindex, NO_BRACE_ARGS }, |
755 | { "vtable", cm_vtable, NO_BRACE_ARGS }, | |
756 | { "w", cm_w, BRACE_ARGS }, | |
757 | { "xref", cm_xref, BRACE_ARGS }, | |
758 | ||
759 | /* Deprecated commands. These used to be for italics. */ | |
760 | { "iappendix", cm_ideprecated, NO_BRACE_ARGS }, | |
761 | { "iappendixsec", cm_ideprecated, NO_BRACE_ARGS }, | |
762 | { "iappendixsection", cm_ideprecated, NO_BRACE_ARGS }, | |
763 | { "iappendixsubsec", cm_ideprecated, NO_BRACE_ARGS }, | |
764 | { "iappendixsubsubsec", cm_ideprecated, NO_BRACE_ARGS }, | |
765 | { "ichapter", cm_ideprecated, NO_BRACE_ARGS }, | |
766 | { "isection", cm_ideprecated, NO_BRACE_ARGS }, | |
767 | { "isubsection", cm_ideprecated, NO_BRACE_ARGS }, | |
768 | { "isubsubsection", cm_ideprecated, NO_BRACE_ARGS }, | |
769 | { "iunnumbered", cm_ideprecated, NO_BRACE_ARGS }, | |
770 | { "iunnumberedsec", cm_ideprecated, NO_BRACE_ARGS }, | |
771 | { "iunnumberedsubsec", cm_ideprecated, NO_BRACE_ARGS }, | |
772 | { "iunnumberedsubsubsec", cm_ideprecated, NO_BRACE_ARGS }, | |
773 | ||
f8b2ac1e | 774 | /* Now @include does what this was used to. */ |
6599da04 JM |
775 | { "infoinclude", cm_obsolete, NO_BRACE_ARGS }, |
776 | { "titlespec", cm_obsolete, NO_BRACE_ARGS }, | |
777 | ||
f8b2ac1e | 778 | { NULL, NULL, NO_BRACE_ARGS } |
b99bb832 JL |
779 | }; |
780 | ||
6599da04 JM |
781 | struct option long_options[] = |
782 | { | |
f8b2ac1e JL |
783 | { "error-limit", 1, 0, 'e' }, /* formerly -el */ |
784 | { "fill-column", 1, 0, 'f' }, /* formerly -fc */ | |
785 | { "footnote-style", 1, 0, 's' }, /* formerly -ft */ | |
786 | { "force", 0, 0, 'F' }, /* do not remove output */ | |
787 | { "no-headers", 0, &no_headers, 1 }, /* do not output Node: foo */ | |
6599da04 | 788 | { "no-pointer-validate", 0, &validating, 0 }, /* formerly -nv */ |
f8b2ac1e JL |
789 | { "no-validate", 0, &validating, 0 }, /* formerly -nv */ |
790 | { "no-split", 0, &splitting, 0 }, /* formerly -ns */ | |
791 | { "no-warn", 0, &print_warnings, 0 }, /* formerly -nw */ | |
6599da04 | 792 | { "macro-expand", 1, 0, 'E' }, |
6599da04 JM |
793 | { "number-footnotes", 0, &number_footnotes, 1 }, |
794 | { "no-number-footnotes", 0, &number_footnotes, 0 }, | |
795 | { "output", 1, 0, 'o' }, | |
f8b2ac1e JL |
796 | { "paragraph-indent", 1, 0, 'p' }, /* formerly -pi */ |
797 | { "reference-limit", 1, 0, 'r' }, /* formerly -rl */ | |
798 | { "verbose", 0, &verbose_mode, 1 }, /* formerly -verbose */ | |
6599da04 JM |
799 | { "help", 0, 0, 'h' }, |
800 | { "version", 0, 0, 'V' }, | |
801 | {NULL, 0, NULL, 0} | |
802 | }; | |
803 | \f | |
f8b2ac1e JL |
804 | /* **************************************************************** */ |
805 | /* */ | |
806 | /* Error Handling */ | |
807 | /* */ | |
808 | /* **************************************************************** */ | |
809 | ||
810 | /* Number of errors encountered. */ | |
811 | int errors_printed = 0; | |
6599da04 | 812 | |
f8b2ac1e JL |
813 | /* Print the last error gotten from the file system. */ |
814 | int | |
815 | fs_error (filename) | |
816 | char *filename; | |
817 | { | |
818 | remember_error (); | |
819 | perror (filename); | |
820 | return (0); | |
821 | } | |
822 | ||
823 | /* Print an error message, and return false. */ | |
824 | void | |
825 | #if defined (VA_FPRINTF) && __STDC__ | |
826 | error (char *format, ...) | |
827 | #else | |
828 | error (format, va_alist) | |
829 | char *format; | |
830 | va_dcl | |
831 | #endif | |
832 | { | |
833 | #ifdef VA_FPRINTF | |
834 | va_list ap; | |
835 | #endif | |
836 | ||
837 | remember_error (); | |
838 | ||
839 | VA_START (ap, format); | |
840 | #ifdef VA_FPRINTF | |
841 | VA_FPRINTF (stderr, format, ap); | |
842 | #else | |
843 | fprintf (stderr, format, a1, a2, a3, a4, a5, a6, a7, a8); | |
844 | #endif /* not VA_FPRINTF */ | |
845 | va_end (ap); | |
846 | ||
847 | putc ('\n', stderr); | |
848 | } | |
849 | ||
850 | /* Just like error (), but print the line number as well. */ | |
851 | void | |
852 | #if defined (VA_FPRINTF) && __STDC__ | |
853 | line_error (char *format, ...) | |
854 | #else | |
855 | line_error (format, va_alist) | |
856 | char *format; | |
857 | va_dcl | |
858 | #endif | |
859 | { | |
860 | #ifdef VA_FPRINTF | |
861 | va_list ap; | |
862 | #endif | |
863 | ||
864 | remember_error (); | |
865 | fprintf (stderr, "%s:%d: ", input_filename, line_number); | |
866 | ||
867 | VA_START (ap, format); | |
868 | #ifdef VA_FPRINTF | |
869 | VA_FPRINTF (stderr, format, ap); | |
870 | #else | |
871 | fprintf (stderr, format, a1, a2, a3, a4, a5, a6, a7, a8); | |
872 | #endif /* not VA_FPRINTF */ | |
873 | va_end (ap); | |
874 | ||
875 | fprintf (stderr, ".\n"); | |
876 | } | |
877 | ||
878 | void | |
879 | #if defined (VA_FPRINTF) && __STDC__ | |
880 | warning (char *format, ...) | |
881 | #else | |
882 | warning (format, va_alist) | |
883 | char *format; | |
884 | va_dcl | |
885 | #endif | |
886 | { | |
887 | #ifdef VA_FPRINTF | |
888 | va_list ap; | |
889 | #endif | |
890 | ||
891 | if (print_warnings) | |
892 | { | |
893 | fprintf (stderr, _("%s:%d: warning: "), input_filename, line_number); | |
894 | ||
895 | VA_START (ap, format); | |
896 | #ifdef VA_FPRINTF | |
897 | VA_FPRINTF (stderr, format, ap); | |
898 | #else | |
899 | fprintf (stderr, format, a1, a2, a3, a4, a5, a6, a7, a8); | |
900 | #endif /* not VA_FPRINTF */ | |
901 | va_end (ap); | |
902 | ||
903 | fprintf (stderr, ".\n"); | |
904 | } | |
905 | } | |
906 | ||
907 | ||
908 | /* Remember that an error has been printed. If more than | |
909 | max_error_level have been printed, then exit the program. */ | |
910 | void | |
911 | remember_error () | |
912 | { | |
913 | errors_printed++; | |
914 | if (max_error_level && (errors_printed > max_error_level)) | |
915 | { | |
916 | fprintf (stderr, _("Too many errors! Gave up.\n")); | |
917 | flush_file_stack (); | |
918 | cm_bye (); | |
919 | exit (FATAL); | |
920 | } | |
921 | } | |
922 | \f | |
6599da04 | 923 | /* **************************************************************** */ |
f8b2ac1e JL |
924 | /* */ |
925 | /* Main () Start of code */ | |
926 | /* */ | |
6599da04 JM |
927 | /* **************************************************************** */ |
928 | ||
929 | /* For each file mentioned in the command line, process it, turning | |
930 | Texinfo commands into wonderfully formatted output text. */ | |
931 | int | |
932 | main (argc, argv) | |
933 | int argc; | |
934 | char **argv; | |
935 | { | |
936 | extern int errors_printed; | |
937 | char *filename_part (); | |
938 | int c, ind; | |
939 | int reading_from_stdin = 0; | |
940 | ||
941 | /* The name of this program is the last filename in argv[0]. */ | |
942 | progname = filename_part (argv[0]); | |
943 | ||
f8b2ac1e JL |
944 | #ifdef HAVE_SETLOCALE |
945 | /* Do not use LC_ALL, because LC_NUMERIC screws up the scanf parsing | |
946 | of the argument to @multicolumn. */ | |
947 | setlocale (LC_TIME, ""); | |
948 | setlocale (LC_MESSAGES, ""); | |
949 | #endif | |
950 | ||
951 | /* Set the text message domain. */ | |
952 | bindtextdomain (PACKAGE, LOCALEDIR); | |
953 | textdomain (PACKAGE); | |
954 | ||
6599da04 | 955 | /* Parse argument flags from the input line. */ |
f8b2ac1e JL |
956 | while ((c = getopt_long (argc, argv, "D:e:E:f:I:o:p:P:r:s:U:V", |
957 | long_options, &ind)) != EOF) | |
6599da04 JM |
958 | { |
959 | if (c == 0 && long_options[ind].flag == 0) | |
f8b2ac1e | 960 | c = long_options[ind].val; |
6599da04 JM |
961 | |
962 | switch (c) | |
f8b2ac1e JL |
963 | { |
964 | case 'D': | |
965 | case 'U': | |
966 | /* User specified variable to set or clear. */ | |
967 | handle_variable_internal ((c == 'D') ? SET : CLEAR, optarg); | |
968 | break; | |
969 | ||
970 | case 'e': | |
971 | /* User specified error level. */ | |
972 | if (sscanf (optarg, "%d", &max_error_level) != 1) | |
973 | { | |
974 | fprintf (stderr, | |
975 | _("%s: %s arg must be numeric, not `%s'.\n"), | |
976 | "--error-limit", progname, optarg); | |
977 | usage (stderr, FATAL); | |
978 | } | |
979 | break; | |
980 | ||
981 | case 'E': | |
982 | /* User specified a macro expansion output file. */ | |
983 | if (!macro_expansion_output_stream) | |
984 | { | |
985 | macro_expansion_filename = optarg; | |
986 | macro_expansion_output_stream | |
987 | = strcmp (optarg, "-") == 0 ? stdout : fopen (optarg, "w"); | |
988 | if (!macro_expansion_output_stream) | |
989 | error (_("Couldn't open macro expansion output `%s'"), optarg); | |
990 | } | |
991 | else | |
992 | error (_("Cannot specify more than one macro expansion output")); | |
993 | break; | |
994 | ||
995 | case 'f': | |
996 | /* User specified fill_column. */ | |
997 | if (sscanf (optarg, "%d", &fill_column) != 1) | |
998 | { | |
999 | fprintf (stderr, | |
1000 | _("%s: %s arg must be numeric, not `%s'.\n"), | |
1001 | "--fill-column", progname, optarg); | |
1002 | usage (FATAL); | |
1003 | } | |
1004 | break; | |
1005 | ||
1006 | case 'F': | |
1007 | force++; /* Do not remove erroneous output. */ | |
1008 | break; | |
1009 | ||
1010 | case 'h': | |
1011 | usage (NO_ERROR); | |
1012 | break; | |
1013 | ||
1014 | case 'I': | |
1015 | /* Append user-specified dir to include file path. */ | |
1016 | if (!include_files_path) | |
1017 | include_files_path = xstrdup ("."); | |
1018 | ||
1019 | include_files_path = (char *) | |
1020 | xrealloc (include_files_path, | |
1021 | 2 + strlen (include_files_path) + strlen (optarg)); | |
1022 | strcat (include_files_path, ":"); | |
1023 | strcat (include_files_path, optarg); | |
1024 | break; | |
1025 | ||
1026 | case 'o': | |
1027 | /* User specified output file. */ | |
1028 | command_output_filename = xstrdup (optarg); | |
1029 | break; | |
1030 | ||
1031 | case 'p': | |
1032 | /* User specified paragraph indent (paragraph_start_index). */ | |
1033 | if (set_paragraph_indent (optarg) < 0) | |
1034 | { | |
1035 | fprintf (stderr, | |
1036 | _("%s: --paragraph-indent arg must be numeric/`none'/`asis', not `%s'.\n"), | |
6599da04 | 1037 | progname, optarg); |
f8b2ac1e JL |
1038 | usage (FATAL); |
1039 | } | |
1040 | break; | |
1041 | ||
1042 | case 'P': | |
1043 | /* Prepend user-specified include dir to include path. */ | |
1044 | if (!include_files_path) | |
1045 | { | |
1046 | include_files_path = xstrdup (optarg); | |
1047 | include_files_path = (char *) xrealloc (include_files_path, | |
1048 | strlen (include_files_path) + 3); /* 3 for ":.\0" */ | |
1049 | strcat (include_files_path, ":."); | |
1050 | } | |
1051 | else | |
1052 | { | |
1053 | char *tmp = xstrdup (include_files_path); | |
1054 | include_files_path = (char *) xrealloc (include_files_path, | |
1055 | strlen (include_files_path) + strlen (optarg) + 2); /* 2 for ":\0" */ | |
1056 | strcpy (include_files_path, optarg); | |
1057 | strcat (include_files_path, ":"); | |
1058 | strcat (include_files_path, tmp); | |
1059 | free (tmp); | |
1060 | } | |
1061 | break; | |
1062 | ||
1063 | case 'r': | |
1064 | /* User specified reference warning limit. */ | |
1065 | if (sscanf (optarg, "%d", &reference_warning_limit) != 1) | |
1066 | { | |
1067 | fprintf (stderr, | |
1068 | _("%s: %s arg must be numeric, not `%s'.\n"), | |
1069 | "--reference-limit", progname, optarg); | |
1070 | usage (FATAL); | |
1071 | } | |
1072 | break; | |
1073 | ||
1074 | case 's': | |
1075 | /* User specified footnote style. */ | |
1076 | if (set_footnote_style (optarg) < 0) | |
1077 | { | |
1078 | fprintf (stderr, | |
1079 | _("%s: --footnote-style arg must be `separate' or `end', not `%s'.\n"), | |
6599da04 | 1080 | progname, optarg); |
f8b2ac1e JL |
1081 | usage (FATAL); |
1082 | } | |
1083 | footnote_style_preset = 1; | |
1084 | break; | |
1085 | ||
1086 | case 'V': | |
1087 | /* User requested version info. */ | |
1088 | print_version_info (); | |
d275726b | 1089 | printf (_("Copyright (C) %s Free Software Foundation, Inc.\n\ |
6599da04 JM |
1090 | There is NO warranty. You may redistribute this software\n\ |
1091 | under the terms of the GNU General Public License.\n\ | |
d275726b JL |
1092 | For more information about these matters, see the files named COPYING.\n"), |
1093 | "1998"); | |
f8b2ac1e JL |
1094 | exit (NO_ERROR); |
1095 | break; | |
6599da04 | 1096 | |
f8b2ac1e JL |
1097 | case '?': |
1098 | usage (FATAL); | |
1099 | break; | |
1100 | } | |
6599da04 JM |
1101 | } |
1102 | ||
1103 | if (optind == argc) | |
1104 | { | |
1105 | /* Check to see if input is a file. If so, process that. */ | |
1106 | if (!isatty (fileno (stdin))) | |
f8b2ac1e | 1107 | reading_from_stdin = 1; |
6599da04 JM |
1108 | else |
1109 | { | |
f8b2ac1e JL |
1110 | fprintf (stderr, _("%s: missing file argument.\n"), progname); |
1111 | usage (FATAL); | |
6599da04 JM |
1112 | } |
1113 | } | |
1114 | ||
1115 | /* If the user has specified --no-headers, this should imply --no-split. | |
1116 | Do that here. I think it might also imply that we should ignore the | |
1117 | setfilename at the top of the file, but this might break some FSF things, | |
1118 | so I will hold off on that. */ | |
1119 | if (no_headers) | |
1120 | { | |
1121 | splitting = 0; | |
1122 | ||
f8b2ac1e | 1123 | /* If the user has not specified an output file, use stdout. */ |
6599da04 | 1124 | if (!command_output_filename) |
f8b2ac1e | 1125 | command_output_filename = xstrdup ("-"); |
6599da04 JM |
1126 | } |
1127 | ||
1128 | if (verbose_mode) | |
1129 | print_version_info (); | |
1130 | ||
1131 | /* Remaining arguments are file names of texinfo files. | |
1132 | Convert them, one by one. */ | |
1133 | if (!reading_from_stdin) | |
1134 | { | |
1135 | while (optind != argc) | |
f8b2ac1e | 1136 | convert_from_file (argv[optind++]); |
6599da04 JM |
1137 | } |
1138 | else | |
1139 | convert_from_stream (stdin, "stdin"); | |
1140 | ||
1141 | if (errors_printed) | |
1142 | return (SYNTAX); | |
1143 | else | |
1144 | return (NO_ERROR); | |
1145 | } | |
1146 | ||
1147 | /* Display the version info of this invocation of Makeinfo. */ | |
1148 | void | |
1149 | print_version_info () | |
1150 | { | |
d275726b | 1151 | printf ("makeinfo (GNU %s %s) %d.%d\n", PACKAGE, VERSION, |
f8b2ac1e | 1152 | major_version, minor_version); |
6599da04 JM |
1153 | } |
1154 | ||
6599da04 JM |
1155 | /* If EXIT_VALUE is zero, print the full usage message to stdout. |
1156 | Otherwise, just say to use --help for more info. | |
1157 | Then exit with EXIT_VALUE. */ | |
1158 | void | |
1159 | usage (exit_value) | |
1160 | int exit_value; | |
1161 | { | |
1162 | if (exit_value != 0) | |
f8b2ac1e | 1163 | fprintf (stderr, _("Try `%s --help' for more information.\n"), progname); |
6599da04 | 1164 | else |
f8b2ac1e | 1165 | printf (_("Usage: %s [OPTION]... TEXINFO-FILE...\n\ |
6599da04 JM |
1166 | \n\ |
1167 | Translate Texinfo source documentation to a format suitable for reading\n\ | |
1168 | with GNU Info.\n\ | |
1169 | \n\ | |
1170 | Options:\n\ | |
1171 | -D VAR define a variable, as with @set.\n\ | |
f8b2ac1e JL |
1172 | -E MACRO-OFILE process macros only, output texinfo source.\n\ |
1173 | -I DIR append DIR to the @include directory search path.\n\ | |
1174 | -P DIR prepend DIR to the @include directory search path.\n\ | |
6599da04 JM |
1175 | -U VAR undefine a variable, as with @clear.\n\ |
1176 | --error-limit NUM quit after NUM errors (default %d).\n\ | |
1177 | --fill-column NUM break lines at NUM characters (default %d).\n\ | |
1178 | --footnote-style STYLE output footnotes according to STYLE:\n\ | |
1179 | `separate' to place footnotes in their own node,\n\ | |
1180 | `end' to place the footnotes at the end of\n\ | |
1181 | the node in which they are defined (the default).\n\ | |
f8b2ac1e | 1182 | --force preserve output even if errors.\n\ |
6599da04 JM |
1183 | --help display this help and exit.\n\ |
1184 | --no-validate suppress node cross-reference validation.\n\ | |
1185 | --no-warn suppress warnings (but not errors).\n\ | |
1186 | --no-split suppress splitting of large files.\n\ | |
1187 | --no-headers suppress node separators and Node: Foo headers.\n\ | |
1188 | --output FILE, -o FILE output to FILE, and ignore any @setfilename.\n\ | |
f8b2ac1e JL |
1189 | --paragraph-indent VAL indent paragraphs with VAL spaces (default %d).\n\ |
1190 | if VAL is `none', do not indent; if VAL is `asis',\n\ | |
1191 | preserve any existing indentation.\n\ | |
6599da04 JM |
1192 | --reference-limit NUM complain about at most NUM references (default %d).\n\ |
1193 | --verbose report about what is being done.\n\ | |
1194 | --version display version information and exit.\n\ | |
1195 | \n\ | |
d275726b | 1196 | Email bug reports to bug-texinfo@gnu.org.\n\ |
f8b2ac1e | 1197 | "), |
d275726b JL |
1198 | progname, max_error_level, fill_column, |
1199 | paragraph_start_indent, reference_warning_limit); | |
6599da04 JM |
1200 | exit (exit_value); |
1201 | } | |
1202 | \f | |
1203 | /* Manipulating Lists */ | |
1204 | ||
1205 | typedef struct generic_list { | |
1206 | struct generic_list *next; | |
1207 | } GENERIC_LIST; | |
1208 | ||
1209 | /* Reverse the chain of structures in LIST. Output the new head | |
1210 | of the chain. You should always assign the output value of this | |
1211 | function to something, or you will lose the chain. */ | |
1212 | GENERIC_LIST * | |
1213 | reverse_list (list) | |
1214 | register GENERIC_LIST *list; | |
1215 | { | |
1216 | register GENERIC_LIST *next; | |
1217 | register GENERIC_LIST *prev = (GENERIC_LIST *) NULL; | |
1218 | ||
1219 | while (list) | |
1220 | { | |
1221 | next = list->next; | |
1222 | list->next = prev; | |
1223 | prev = list; | |
1224 | list = next; | |
1225 | } | |
1226 | return (prev); | |
1227 | } | |
1228 | \f | |
1229 | /* Pushing and Popping Files */ | |
1230 | ||
1231 | /* Find and load the file named FILENAME. Return a pointer to | |
1232 | the loaded file, or NULL if it can't be loaded. */ | |
1233 | char * | |
1234 | find_and_load (filename) | |
1235 | char *filename; | |
1236 | { | |
1237 | struct stat fileinfo; | |
1238 | long file_size; | |
f8b2ac1e | 1239 | int file = -1, count = 0; |
6599da04 JM |
1240 | char *fullpath, *result, *get_file_info_in_path (); |
1241 | ||
1242 | result = fullpath = (char *)NULL; | |
1243 | ||
1244 | fullpath = get_file_info_in_path (filename, include_files_path, &fileinfo); | |
1245 | ||
1246 | if (!fullpath) | |
1247 | goto error_exit; | |
1248 | ||
1249 | filename = fullpath; | |
1250 | file_size = (long) fileinfo.st_size; | |
1251 | ||
1252 | file = open (filename, O_RDONLY); | |
1253 | if (file < 0) | |
1254 | goto error_exit; | |
1255 | ||
d275726b JL |
1256 | /* Load the file, with enough room for a newline and a null. */ |
1257 | result = xmalloc (file_size + 2); | |
6599da04 JM |
1258 | |
1259 | /* VMS stat lies about the st_size value. The actual number of | |
1260 | readable bytes is always less than this value. The arcane | |
1261 | mysteries of VMS/RMS are too much to probe, so this hack | |
1262 | suffices to make things work. */ | |
f8b2ac1e JL |
1263 | #if defined (VMS) || defined (WIN32) |
1264 | #ifdef VMS | |
6599da04 | 1265 | while ((n = read (file, result + count, file_size)) > 0) |
f8b2ac1e JL |
1266 | #else /* WIN32 */ |
1267 | while ((n = read (file, result + count, 1)) > 0) | |
1268 | #endif /* WIN32 */ | |
6599da04 JM |
1269 | count += n; |
1270 | if (n == -1) | |
f8b2ac1e | 1271 | #else /* !VMS && !WIN32 */ |
6599da04 JM |
1272 | count = file_size; |
1273 | if (read (file, result, file_size) != file_size) | |
f8b2ac1e | 1274 | #endif /* !VMS && !WIN32 */ |
6599da04 JM |
1275 | error_exit: |
1276 | { | |
1277 | if (result) | |
f8b2ac1e | 1278 | free (result); |
6599da04 JM |
1279 | |
1280 | if (fullpath) | |
f8b2ac1e | 1281 | free (fullpath); |
6599da04 JM |
1282 | |
1283 | if (file != -1) | |
f8b2ac1e | 1284 | close (file); |
6599da04 JM |
1285 | |
1286 | return ((char *) NULL); | |
1287 | } | |
1288 | close (file); | |
1289 | ||
1290 | /* Set the globals to the new file. */ | |
1291 | input_text = result; | |
1292 | size_of_input_text = count; | |
1293 | input_filename = fullpath; | |
f8b2ac1e | 1294 | node_filename = xstrdup (fullpath); |
6599da04 JM |
1295 | input_text_offset = 0; |
1296 | line_number = 1; | |
1297 | /* Not strictly necessary. This magic prevents read_token () from doing | |
1298 | extra unnecessary work each time it is called (that is a lot of times). | |
d275726b | 1299 | SIZE_OF_INPUT_TEXT is one past the actual end of the text. */ |
6599da04 | 1300 | input_text[size_of_input_text] = '\n'; |
d275726b JL |
1301 | /* This, on the other hand, is always necessary. */ |
1302 | input_text[size_of_input_text+1] = 0; | |
6599da04 JM |
1303 | return (result); |
1304 | } | |
1305 | ||
1306 | /* Save the state of the current input file. */ | |
1307 | void | |
1308 | pushfile () | |
1309 | { | |
1310 | FSTACK *newstack = (FSTACK *) xmalloc (sizeof (FSTACK)); | |
1311 | newstack->filename = input_filename; | |
1312 | newstack->text = input_text; | |
1313 | newstack->size = size_of_input_text; | |
1314 | newstack->offset = input_text_offset; | |
1315 | newstack->line_number = line_number; | |
1316 | newstack->next = filestack; | |
1317 | ||
1318 | filestack = newstack; | |
1319 | push_node_filename (); | |
1320 | } | |
1321 | ||
1322 | /* Make the current file globals be what is on top of the file stack. */ | |
1323 | void | |
1324 | popfile () | |
1325 | { | |
1326 | FSTACK *tos = filestack; | |
1327 | ||
1328 | if (!tos) | |
f8b2ac1e | 1329 | abort (); /* My fault. I wonder what I did? */ |
6599da04 JM |
1330 | |
1331 | #if defined (HAVE_MACROS) | |
1332 | if (macro_expansion_output_stream) | |
1333 | { | |
1334 | maybe_write_itext (input_text, input_text_offset); | |
1335 | forget_itext (input_text); | |
1336 | } | |
1337 | #endif /* HAVE_MACROS */ | |
1338 | ||
1339 | /* Pop the stack. */ | |
1340 | filestack = filestack->next; | |
1341 | ||
1342 | /* Make sure that commands with braces have been satisfied. */ | |
d275726b | 1343 | if (!executing_string && !me_executing_string) |
6599da04 JM |
1344 | discard_braces (); |
1345 | ||
1346 | /* Get the top of the stack into the globals. */ | |
1347 | input_filename = tos->filename; | |
1348 | input_text = tos->text; | |
1349 | size_of_input_text = tos->size; | |
1350 | input_text_offset = tos->offset; | |
1351 | line_number = tos->line_number; | |
1352 | free (tos); | |
1353 | ||
1354 | /* Go back to the (now) current node. */ | |
1355 | pop_node_filename (); | |
1356 | } | |
1357 | ||
1358 | /* Flush all open files on the file stack. */ | |
1359 | void | |
1360 | flush_file_stack () | |
1361 | { | |
1362 | while (filestack) | |
1363 | { | |
1364 | char *fname = input_filename; | |
1365 | char *text = input_text; | |
1366 | popfile (); | |
1367 | free (fname); | |
1368 | free (text); | |
1369 | } | |
1370 | } | |
1371 | ||
1372 | int node_filename_stack_index = 0; | |
1373 | int node_filename_stack_size = 0; | |
1374 | char **node_filename_stack = (char **)NULL; | |
1375 | ||
1376 | void | |
1377 | push_node_filename () | |
1378 | { | |
1379 | if (node_filename_stack_index + 1 > node_filename_stack_size) | |
1380 | node_filename_stack = (char **)xrealloc | |
1381 | (node_filename_stack, (node_filename_stack_size += 10) * sizeof (char *)); | |
1382 | ||
1383 | node_filename_stack[node_filename_stack_index] = node_filename; | |
1384 | node_filename_stack_index++; | |
1385 | } | |
1386 | ||
1387 | void | |
1388 | pop_node_filename () | |
1389 | { | |
1390 | node_filename = node_filename_stack[--node_filename_stack_index]; | |
1391 | } | |
1392 | ||
1393 | /* Return just the simple part of the filename; i.e. the | |
1394 | filename without the path information, or extensions. | |
1395 | This conses up a new string. */ | |
1396 | char * | |
1397 | filename_part (filename) | |
1398 | char *filename; | |
1399 | { | |
1400 | char *basename; | |
1401 | ||
1402 | basename = strrchr (filename, '/'); | |
1403 | if (!basename) | |
1404 | basename = filename; | |
1405 | else | |
1406 | basename++; | |
1407 | ||
f8b2ac1e | 1408 | basename = xstrdup (basename); |
6599da04 JM |
1409 | #if defined (REMOVE_OUTPUT_EXTENSIONS) |
1410 | ||
1411 | /* See if there is an extension to remove. If so, remove it. */ | |
1412 | { | |
1413 | char *temp; | |
1414 | ||
1415 | temp = strrchr (basename, '.'); | |
1416 | if (temp) | |
f8b2ac1e | 1417 | *temp = 0; |
6599da04 JM |
1418 | } |
1419 | #endif /* REMOVE_OUTPUT_EXTENSIONS */ | |
1420 | return (basename); | |
1421 | } | |
1422 | ||
1423 | /* Return the pathname part of filename. This can be NULL. */ | |
1424 | char * | |
1425 | pathname_part (filename) | |
1426 | char *filename; | |
1427 | { | |
1428 | char *expand_filename (); | |
1429 | char *result = (char *) NULL; | |
1430 | register int i; | |
1431 | ||
1432 | filename = expand_filename (filename, ""); | |
1433 | ||
1434 | i = strlen (filename) - 1; | |
1435 | ||
1436 | while (i && filename[i] != '/') | |
1437 | i--; | |
1438 | if (filename[i] == '/') | |
1439 | i++; | |
1440 | ||
1441 | if (i) | |
1442 | { | |
1443 | result = (char *)xmalloc (1 + i); | |
1444 | strncpy (result, filename, i); | |
f8b2ac1e | 1445 | result[i] = 0; |
6599da04 JM |
1446 | } |
1447 | free (filename); | |
1448 | return (result); | |
1449 | } | |
1450 | ||
1451 | char * | |
1452 | filename_non_directory (name) | |
1453 | char *name; | |
1454 | { | |
1455 | register int i; | |
1456 | ||
1457 | for (i = strlen (name) - 1; i; i--) | |
1458 | if (name[i] == '/') | |
f8b2ac1e | 1459 | return (xstrdup (name + i + 1)); |
6599da04 | 1460 | |
f8b2ac1e | 1461 | return (xstrdup (name)); |
6599da04 JM |
1462 | } |
1463 | ||
1464 | /* Return the expansion of FILENAME. */ | |
1465 | char * | |
1466 | expand_filename (filename, input_name) | |
1467 | char *filename, *input_name; | |
1468 | { | |
1469 | register int i; | |
1470 | char *full_pathname (); | |
1471 | ||
1472 | if (filename) | |
1473 | filename = full_pathname (filename); | |
1474 | else | |
1475 | { | |
1476 | filename = filename_non_directory (input_name); | |
1477 | ||
1478 | if (!*filename) | |
f8b2ac1e JL |
1479 | { |
1480 | free (filename); | |
1481 | filename = xstrdup ("noname.texi"); | |
1482 | } | |
6599da04 JM |
1483 | |
1484 | for (i = strlen (filename) - 1; i; i--) | |
f8b2ac1e JL |
1485 | if (filename[i] == '.') |
1486 | break; | |
6599da04 JM |
1487 | |
1488 | if (!i) | |
f8b2ac1e | 1489 | i = strlen (filename); |
6599da04 JM |
1490 | |
1491 | if (i + 6 > (strlen (filename))) | |
f8b2ac1e | 1492 | filename = (char *)xrealloc (filename, i + 6); |
6599da04 JM |
1493 | strcpy (filename + i, ".info"); |
1494 | return (filename); | |
1495 | } | |
f8b2ac1e | 1496 | |
6599da04 JM |
1497 | if (filename[0] == '.' || filename[0] == '/') |
1498 | return (filename); | |
1499 | ||
1500 | if (filename[0] != '/' && input_name[0] == '/') | |
1501 | { | |
1502 | /* Make it so that relative names work. */ | |
1503 | char *result; | |
1504 | ||
1505 | i = strlen (input_name) - 1; | |
1506 | ||
1507 | result = (char *)xmalloc (1 + strlen (input_name) + strlen (filename)); | |
1508 | strcpy (result, input_name); | |
1509 | ||
1510 | while (result[i] != '/' && i) | |
f8b2ac1e | 1511 | i--; |
6599da04 JM |
1512 | |
1513 | if (result[i] == '/') | |
f8b2ac1e | 1514 | i++; |
6599da04 JM |
1515 | |
1516 | strcpy (&result[i], filename); | |
1517 | free (filename); | |
1518 | return (result); | |
1519 | } | |
1520 | return (filename); | |
1521 | } | |
1522 | ||
1523 | /* Return the full path to FILENAME. */ | |
1524 | char * | |
1525 | full_pathname (filename) | |
1526 | char *filename; | |
1527 | { | |
1528 | int initial_character; | |
1529 | char *result; | |
1530 | ||
1531 | /* No filename given? */ | |
1532 | if (!filename || !(initial_character = *filename)) | |
f8b2ac1e | 1533 | return (xstrdup ("")); |
6599da04 JM |
1534 | |
1535 | /* Already absolute? */ | |
1536 | if ((initial_character == '/') || | |
1537 | ((strncmp (filename, "./", 2) == 0) || | |
1538 | (strncmp (filename, "../", 3) == 0))) | |
f8b2ac1e | 1539 | return (xstrdup (filename)); |
6599da04 JM |
1540 | |
1541 | if (initial_character != '~') | |
1542 | { | |
1543 | char *localdir; | |
1544 | ||
1545 | localdir = (char *)xmalloc (1025); | |
1546 | #if defined (HAVE_GETCWD) | |
1547 | if (!getcwd (localdir, 1024)) | |
1548 | #else /* !HAVE_GETCWD */ | |
f8b2ac1e | 1549 | if (!getwd (localdir)) |
6599da04 | 1550 | #endif /* !HAVE_GETCWD */ |
f8b2ac1e JL |
1551 | { |
1552 | fprintf (stderr, _("%s: getwd: %s, %s\n"), | |
1553 | progname, filename, localdir); | |
1554 | exit (1); | |
1555 | } | |
6599da04 JM |
1556 | |
1557 | strcat (localdir, "/"); | |
1558 | strcat (localdir, filename); | |
f8b2ac1e | 1559 | result = xstrdup (localdir); |
6599da04 JM |
1560 | free (localdir); |
1561 | } | |
1562 | else | |
1563 | { | |
f8b2ac1e | 1564 | #ifndef WIN32 |
6599da04 | 1565 | if (filename[1] == '/') |
f8b2ac1e JL |
1566 | { |
1567 | /* Return the concatenation of the environment variable HOME | |
1568 | and the rest of the string. */ | |
1569 | char *temp_home; | |
1570 | ||
1571 | temp_home = (char *) getenv ("HOME"); | |
1572 | result = (char *)xmalloc (strlen (&filename[1]) | |
1573 | + 1 | |
1574 | + temp_home ? strlen (temp_home) | |
1575 | : 0); | |
1576 | *result = 0; | |
1577 | ||
1578 | if (temp_home) | |
1579 | strcpy (result, temp_home); | |
1580 | ||
1581 | strcat (result, &filename[1]); | |
1582 | } | |
6599da04 | 1583 | else |
f8b2ac1e JL |
1584 | { |
1585 | struct passwd *user_entry; | |
1586 | int i, c; | |
1587 | char *username = (char *)xmalloc (257); | |
1588 | ||
1589 | for (i = 1; (c = filename[i]); i++) | |
1590 | { | |
1591 | if (c == '/') | |
1592 | break; | |
1593 | else | |
1594 | username[i - 1] = c; | |
1595 | } | |
1596 | if (c) | |
1597 | username[i - 1] = 0; | |
1598 | ||
1599 | user_entry = getpwnam (username); | |
1600 | ||
1601 | if (!user_entry) | |
1602 | return (xstrdup (filename)); | |
1603 | ||
1604 | result = (char *)xmalloc (1 + strlen (user_entry->pw_dir) | |
1605 | + strlen (&filename[i])); | |
1606 | strcpy (result, user_entry->pw_dir); | |
1607 | strcat (result, &filename[i]); | |
1608 | } | |
6599da04 | 1609 | } |
f8b2ac1e | 1610 | #endif /* not WIN32 */ |
6599da04 JM |
1611 | return (result); |
1612 | } | |
1613 | ||
1614 | char * | |
1615 | output_name_from_input_name (name) | |
1616 | char *name; | |
1617 | { | |
1618 | return (expand_filename ((char *)NULL, name)); | |
1619 | } | |
1620 | \f | |
1621 | /* **************************************************************** */ | |
f8b2ac1e JL |
1622 | /* */ |
1623 | /* Hacking Tokens and Strings */ | |
1624 | /* */ | |
6599da04 JM |
1625 | /* **************************************************************** */ |
1626 | ||
1627 | /* Return the next token as a string pointer. We cons the string. */ | |
1628 | char * | |
1629 | read_token () | |
1630 | { | |
1631 | int i, character; | |
1632 | char *result; | |
1633 | ||
1634 | /* If the first character to be read is self-delimiting, then that | |
1635 | is the command itself. */ | |
1636 | character = curchar (); | |
1637 | if (self_delimiting (character)) | |
1638 | { | |
1639 | input_text_offset++; | |
1640 | ||
1641 | if (character == '\n') | |
f8b2ac1e | 1642 | line_number++; |
6599da04 | 1643 | |
f8b2ac1e | 1644 | result = xstrdup (" "); |
6599da04 JM |
1645 | *result = character; |
1646 | return (result); | |
1647 | } | |
1648 | ||
1649 | for (i = 0; ((input_text_offset != size_of_input_text) | |
f8b2ac1e JL |
1650 | && (character = curchar ()) |
1651 | && command_char (character)); | |
6599da04 JM |
1652 | i++, input_text_offset++); |
1653 | result = (char *)xmalloc (i + 1); | |
1654 | memcpy (result, &input_text[input_text_offset - i], i); | |
f8b2ac1e | 1655 | result[i] = 0; |
6599da04 JM |
1656 | return (result); |
1657 | } | |
1658 | ||
f8b2ac1e | 1659 | /* Return nonzero if CHARACTER is self-delimiting. */ |
6599da04 JM |
1660 | int |
1661 | self_delimiting (character) | |
1662 | int character; | |
1663 | { | |
1664 | /* @; and @\ are not Texinfo commands, but they are listed here | |
1665 | anyway. I don't know why. --karl, 10aug96. */ | |
1666 | return member (character, "~{|}`^\\@?=;:.-,*\'\" !\n\t"); | |
1667 | } | |
1668 | ||
1669 | /* Clear whitespace from the front and end of string. */ | |
1670 | void | |
1671 | canon_white (string) | |
1672 | char *string; | |
1673 | { | |
1674 | int len = strlen (string); | |
1675 | int x; | |
1676 | ||
1677 | if (!len) | |
1678 | return; | |
1679 | ||
1680 | for (x = 0; x < len; x++) | |
1681 | { | |
1682 | if (!cr_or_whitespace (string[x])) | |
f8b2ac1e JL |
1683 | { |
1684 | strcpy (string, string + x); | |
1685 | break; | |
1686 | } | |
6599da04 JM |
1687 | } |
1688 | len = strlen (string); | |
1689 | if (len) | |
1690 | len--; | |
1691 | while (len > -1 && cr_or_whitespace (string[len])) | |
1692 | len--; | |
f8b2ac1e | 1693 | string[len + 1] = 0; |
6599da04 JM |
1694 | } |
1695 | ||
1696 | /* Bash STRING, replacing all whitespace with just one space. */ | |
1697 | void | |
1698 | fix_whitespace (string) | |
1699 | char *string; | |
1700 | { | |
1701 | char *temp = (char *)xmalloc (strlen (string) + 1); | |
1702 | int string_index = 0; | |
1703 | int temp_index = 0; | |
1704 | int c; | |
1705 | ||
1706 | canon_white (string); | |
1707 | ||
1708 | while (string[string_index]) | |
1709 | { | |
1710 | c = temp[temp_index++] = string[string_index++]; | |
1711 | ||
1712 | if (c == ' ' || c == '\n' || c == '\t') | |
f8b2ac1e JL |
1713 | { |
1714 | temp[temp_index - 1] = ' '; | |
1715 | while ((c = string[string_index]) && (c == ' ' || | |
1716 | c == '\t' || | |
1717 | c == '\n')) | |
1718 | string_index++; | |
1719 | } | |
1720 | } | |
1721 | temp[temp_index] = 0; | |
6599da04 JM |
1722 | strcpy (string, temp); |
1723 | free (temp); | |
1724 | } | |
1725 | ||
1726 | /* Discard text until the desired string is found. The string is | |
1727 | included in the discarded text. */ | |
1728 | void | |
1729 | discard_until (string) | |
1730 | char *string; | |
1731 | { | |
1732 | int temp = search_forward (string, input_text_offset); | |
1733 | ||
1734 | int tt = (temp < 0) ? size_of_input_text : temp + strlen (string); | |
1735 | int from = input_text_offset; | |
1736 | ||
1737 | /* Find out what line we are on. */ | |
1738 | while (from != tt) | |
1739 | if (input_text[from++] == '\n') | |
1740 | line_number++; | |
1741 | ||
1742 | if (temp < 0) | |
1743 | { | |
1744 | input_text_offset = size_of_input_text - strlen (string); | |
1745 | ||
1746 | if (strcmp (string, "\n") != 0) | |
f8b2ac1e JL |
1747 | { |
1748 | line_error (_("Expected `%s'"), string); | |
1749 | return; | |
1750 | } | |
6599da04 JM |
1751 | } |
1752 | else | |
1753 | input_text_offset = temp; | |
1754 | ||
1755 | input_text_offset += strlen (string); | |
1756 | } | |
1757 | ||
1758 | /* Read characters from the file until we are at MATCH. | |
1759 | Place the characters read into STRING. | |
1760 | On exit input_text_offset is after the match string. | |
1761 | Return the offset where the string starts. */ | |
1762 | int | |
1763 | get_until (match, string) | |
1764 | char *match, **string; | |
1765 | { | |
1766 | int len, current_point, x, new_point, tem; | |
1767 | ||
1768 | current_point = x = input_text_offset; | |
1769 | new_point = search_forward (match, input_text_offset); | |
1770 | ||
1771 | if (new_point < 0) | |
1772 | new_point = size_of_input_text; | |
1773 | len = new_point - current_point; | |
1774 | ||
1775 | /* Keep track of which line number we are at. */ | |
1776 | tem = new_point + (strlen (match) - 1); | |
1777 | while (x != tem) | |
1778 | if (input_text[x++] == '\n') | |
1779 | line_number++; | |
1780 | ||
1781 | *string = (char *)xmalloc (len + 1); | |
1782 | ||
1783 | memcpy (*string, &input_text[current_point], len); | |
f8b2ac1e | 1784 | (*string)[len] = 0; |
6599da04 JM |
1785 | |
1786 | /* Now leave input_text_offset in a consistent state. */ | |
1787 | input_text_offset = tem; | |
1788 | ||
1789 | if (input_text_offset > size_of_input_text) | |
1790 | input_text_offset = size_of_input_text; | |
1791 | ||
1792 | return (new_point); | |
1793 | } | |
1794 | ||
1795 | /* Read characters from the file until we are at MATCH or end of line. | |
1796 | Place the characters read into STRING. */ | |
1797 | void | |
f8b2ac1e JL |
1798 | get_until_in_line (expand, match, string) |
1799 | int expand; | |
6599da04 JM |
1800 | char *match, **string; |
1801 | { | |
f8b2ac1e JL |
1802 | int real_bottom = size_of_input_text; |
1803 | int limit = search_forward ("\n", input_text_offset); | |
1804 | if (limit < 0) | |
1805 | limit = size_of_input_text; | |
1806 | ||
1807 | /* Replace input_text[input_text_offset .. limit-1] with its macro | |
1808 | expansion (actually, we expand all commands). This allows the node | |
1809 | names themselves to be constructed via a macro, as in: | |
1810 | @macro foo{p, q} | |
1811 | Together: \p\ & \q\. | |
1812 | @end macro | |
1813 | ||
1814 | @node @foo{A,B}, next, prev, top | |
1815 | ||
1816 | Otherwise, the `,' separating the macro args A and B is taken as | |
1817 | the node argument separator, so the node name is `@foo{A'. This | |
1818 | expansion is only necessary on the first call, since we expand the | |
1819 | whole line then. | |
1820 | ||
1821 | Furthermore, if we're executing a string, don't do it -- we'll end | |
1822 | up shrinking the execution string which is currently aliased to | |
1823 | `input_text', so it might get moved, and not updated in the | |
1824 | `execution_strings' array. This happens when processing the | |
1825 | (synthetic) Overview-Footnotes node in the Texinfo manual. */ | |
1826 | ||
d275726b | 1827 | if (expand && !executing_string && !me_executing_string) |
f8b2ac1e JL |
1828 | { |
1829 | char *xp; | |
1830 | unsigned xp_len, new_len; | |
1831 | ||
1832 | /* Get original string from input. */ | |
1833 | unsigned raw_len = limit - input_text_offset; | |
1834 | char *str = xmalloc (raw_len + 1); | |
1835 | strncpy (str, input_text + input_text_offset, raw_len); | |
1836 | str[raw_len] = 0; | |
1837 | ||
1838 | /* Expand it. */ | |
1839 | xp = expansion (str, 0); | |
1840 | xp_len = strlen (xp); | |
1841 | free (str); | |
1842 | ||
d275726b JL |
1843 | /* Plunk the expansion into the middle of `input_text' -- |
1844 | which is terminated by a newline, not a null. */ | |
1845 | str = xmalloc (real_bottom - limit + 1); | |
1846 | strncpy (str, input_text + limit, real_bottom - limit + 1); | |
1847 | new_len = input_text_offset + xp_len + real_bottom - limit + 1; | |
f8b2ac1e JL |
1848 | input_text = xrealloc (input_text, new_len); |
1849 | strcpy (input_text + input_text_offset, xp); | |
d275726b JL |
1850 | strncpy (input_text + input_text_offset + xp_len, str, |
1851 | real_bottom - limit + 1); | |
f8b2ac1e JL |
1852 | free (str); |
1853 | free (xp); | |
1854 | ||
1855 | limit += xp_len - raw_len; | |
1856 | real_bottom += xp_len - raw_len; | |
1857 | } | |
6599da04 | 1858 | |
f8b2ac1e | 1859 | size_of_input_text = limit; |
6599da04 JM |
1860 | get_until (match, string); |
1861 | size_of_input_text = real_bottom; | |
1862 | } | |
1863 | ||
1864 | void | |
1865 | get_rest_of_line (string) | |
1866 | char **string; | |
1867 | { | |
1868 | get_until ("\n", string); | |
1869 | canon_white (*string); | |
1870 | ||
f8b2ac1e | 1871 | if (curchar () == '\n') /* as opposed to the end of the file... */ |
6599da04 JM |
1872 | { |
1873 | line_number++; | |
1874 | input_text_offset++; | |
1875 | } | |
1876 | } | |
1877 | ||
1878 | /* Backup the input pointer to the previous character, keeping track | |
1879 | of the current line number. */ | |
1880 | void | |
1881 | backup_input_pointer () | |
1882 | { | |
1883 | if (input_text_offset) | |
1884 | { | |
1885 | input_text_offset--; | |
1886 | if (curchar () == '\n') | |
f8b2ac1e | 1887 | line_number--; |
6599da04 JM |
1888 | } |
1889 | } | |
1890 | ||
1891 | /* Read characters from the file until we are at MATCH or closing brace. | |
1892 | Place the characters read into STRING. */ | |
1893 | void | |
1894 | get_until_in_braces (match, string) | |
1895 | char *match, **string; | |
1896 | { | |
f8b2ac1e | 1897 | char *temp; |
6599da04 JM |
1898 | int i, brace = 0; |
1899 | int match_len = strlen (match); | |
6599da04 JM |
1900 | |
1901 | for (i = input_text_offset; i < size_of_input_text; i++) | |
1902 | { | |
1903 | if (input_text[i] == '{') | |
f8b2ac1e | 1904 | brace++; |
6599da04 | 1905 | else if (input_text[i] == '}') |
f8b2ac1e | 1906 | brace--; |
6599da04 | 1907 | else if (input_text[i] == '\n') |
f8b2ac1e | 1908 | line_number++; |
6599da04 JM |
1909 | |
1910 | if (brace < 0 || | |
f8b2ac1e JL |
1911 | (brace == 0 && strncmp (input_text + i, match, match_len) == 0)) |
1912 | break; | |
6599da04 JM |
1913 | } |
1914 | ||
1915 | match_len = i - input_text_offset; | |
1916 | temp = (char *)xmalloc (2 + match_len); | |
1917 | strncpy (temp, input_text + input_text_offset, match_len); | |
f8b2ac1e | 1918 | temp[match_len] = 0; |
6599da04 JM |
1919 | input_text_offset = i; |
1920 | *string = temp; | |
1921 | } | |
1922 | \f | |
1923 | /* **************************************************************** */ | |
f8b2ac1e JL |
1924 | /* */ |
1925 | /* Converting the File */ | |
1926 | /* */ | |
6599da04 JM |
1927 | /* **************************************************************** */ |
1928 | ||
1929 | /* Convert the file named by NAME. The output is saved on the file | |
1930 | named as the argument to the @setfilename command. */ | |
1931 | static char *suffixes[] = { | |
1932 | ".texinfo", | |
1933 | ".texi", | |
1934 | ".txinfo", | |
1935 | "", | |
1936 | (char *)NULL | |
1937 | }; | |
1938 | ||
1939 | void | |
1940 | initialize_conversion () | |
1941 | { | |
1942 | init_tag_table (); | |
1943 | init_indices (); | |
1944 | init_internals (); | |
1945 | init_paragraph (); | |
1946 | ||
1947 | /* This is used for splitting the output file and for doing section | |
1948 | headings. It was previously initialized in `init_paragraph', but its | |
1949 | use there loses with the `init_paragraph' calls done by the | |
1950 | multitable code; the tag indices get reset to zero. */ | |
1951 | output_position = 0; | |
1952 | } | |
1953 | ||
1954 | /* We read in multiples of 4k, simply because it is a typical pipe size | |
1955 | on unix systems. */ | |
1956 | #define READ_BUFFER_GROWTH (4 * 4096) | |
1957 | ||
f8b2ac1e | 1958 | /* Convert the Texinfo file coming from the open stream STREAM. Assume the |
6599da04 JM |
1959 | source of the stream is named NAME. */ |
1960 | void | |
1961 | convert_from_stream (stream, name) | |
1962 | FILE *stream; | |
1963 | char *name; | |
1964 | { | |
34b6478b JL |
1965 | char *buffer = (char *)NULL; |
1966 | int buffer_offset = 0, buffer_size = 0; | |
6599da04 JM |
1967 | |
1968 | initialize_conversion (); | |
1969 | ||
1970 | /* Read until the end of the stream. This isn't strictly correct, since | |
1971 | the texinfo input may end before the stream ends, but it is a quick | |
34b6478b | 1972 | working hueristic. */ |
6599da04 JM |
1973 | while (!feof (stream)) |
1974 | { | |
1975 | int count; | |
1976 | ||
f8b2ac1e JL |
1977 | if (buffer_offset + (READ_BUFFER_GROWTH + 1) >= buffer_size) |
1978 | buffer = (char *) | |
1979 | xrealloc (buffer, (buffer_size += READ_BUFFER_GROWTH)); | |
6599da04 JM |
1980 | |
1981 | count = fread (buffer + buffer_offset, 1, READ_BUFFER_GROWTH, stream); | |
1982 | ||
1983 | if (count < 0) | |
f8b2ac1e JL |
1984 | { |
1985 | perror (name); | |
1986 | exit (FATAL); | |
1987 | } | |
6599da04 JM |
1988 | |
1989 | buffer_offset += count; | |
1990 | if (count == 0) | |
f8b2ac1e | 1991 | break; |
6599da04 JM |
1992 | } |
1993 | ||
1994 | /* Set the globals to the new file. */ | |
1995 | input_text = buffer; | |
1996 | size_of_input_text = buffer_offset; | |
f8b2ac1e JL |
1997 | input_filename = xstrdup (name); |
1998 | node_filename = xstrdup (name); | |
6599da04 JM |
1999 | input_text_offset = 0; |
2000 | line_number = 1; | |
2001 | ||
2002 | /* Not strictly necessary. This magic prevents read_token () from doing | |
2003 | extra unnecessary work each time it is called (that is a lot of times). | |
2004 | The SIZE_OF_INPUT_TEXT is one past the actual end of the text. */ | |
2005 | input_text[size_of_input_text] = '\n'; | |
2006 | ||
2007 | convert_from_loaded_file (name); | |
2008 | } | |
2009 | ||
2010 | void | |
2011 | convert_from_file (name) | |
2012 | char *name; | |
2013 | { | |
2014 | register int i; | |
2015 | char *filename = (char *)xmalloc (strlen (name) + 50); | |
2016 | ||
2017 | initialize_conversion (); | |
2018 | ||
2019 | /* Try to load the file specified by NAME, concatenated with our | |
2020 | various suffixes. Prefer files like `makeinfo.texi' to | |
2021 | `makeinfo'. */ | |
2022 | for (i = 0; suffixes[i]; i++) | |
2023 | { | |
2024 | strcpy (filename, name); | |
2025 | strcat (filename, suffixes[i]); | |
2026 | ||
2027 | if (find_and_load (filename)) | |
f8b2ac1e | 2028 | break; |
6599da04 JM |
2029 | |
2030 | if (!suffixes[i][0] && strrchr (filename, '.')) | |
f8b2ac1e JL |
2031 | { |
2032 | fs_error (filename); | |
2033 | free (filename); | |
2034 | return; | |
2035 | } | |
6599da04 JM |
2036 | } |
2037 | ||
2038 | if (!suffixes[i]) | |
2039 | { | |
2040 | fs_error (name); | |
2041 | free (filename); | |
2042 | return; | |
2043 | } | |
2044 | ||
2045 | input_filename = filename; | |
2046 | ||
2047 | convert_from_loaded_file (name); | |
2048 | } | |
2049 | ||
2050 | void | |
2051 | convert_from_loaded_file (name) | |
2052 | char *name; | |
2053 | { | |
2054 | char *expand_filename (), *filename_part (); | |
2055 | char *real_output_filename = (char *)NULL; | |
2056 | ||
2057 | #if defined (HAVE_MACROS) | |
2058 | remember_itext (input_text, 0); | |
2059 | #endif /* HAVE_MACROS */ | |
2060 | ||
2061 | /* Search this file looking for the special string which starts conversion. | |
2062 | Once found, we may truly begin. */ | |
2063 | input_text_offset = 0; | |
2064 | while (input_text_offset >= 0) | |
2065 | { | |
2066 | input_text_offset = | |
f8b2ac1e | 2067 | search_forward (setfilename_search, input_text_offset); |
6599da04 JM |
2068 | |
2069 | if ((input_text_offset == 0) || | |
f8b2ac1e JL |
2070 | ((input_text_offset > 0) && |
2071 | (input_text[input_text_offset -1] == '\n'))) | |
2072 | break; | |
6599da04 | 2073 | else if (input_text_offset > 0) |
f8b2ac1e | 2074 | input_text_offset++; |
6599da04 JM |
2075 | } |
2076 | ||
2077 | if (input_text_offset < 0) | |
2078 | { | |
2079 | if (!command_output_filename) | |
f8b2ac1e | 2080 | { |
6599da04 | 2081 | #if defined (REQUIRE_SETFILENAME) |
f8b2ac1e JL |
2082 | error (_("No `%s' found in `%s'"), setfilename_search, name); |
2083 | goto finished; | |
6599da04 | 2084 | #else |
f8b2ac1e JL |
2085 | register int i, end_of_first_line; |
2086 | ||
2087 | /* Find the end of the first line in the file. */ | |
2088 | for (i = 0; i < size_of_input_text - 1; i++) | |
2089 | if (input_text[i] == '\n') | |
2090 | break; | |
2091 | ||
2092 | end_of_first_line = i + 1; | |
2093 | ||
2094 | input_text_offset = 0; | |
2095 | ||
2096 | for (i = 0; i < end_of_first_line; i++) | |
2097 | { | |
2098 | if ((input_text[i] == '\\') && | |
2099 | (strncmp (input_text + i + 1, "include", 7) == 0)) | |
2100 | { | |
2101 | input_text_offset = end_of_first_line; | |
2102 | break; | |
2103 | } | |
2104 | } | |
2105 | command_output_filename = output_name_from_input_name (name); | |
6599da04 | 2106 | #endif /* !REQUIRE_SETFILENAME */ |
f8b2ac1e | 2107 | } |
6599da04 JM |
2108 | } |
2109 | else | |
2110 | input_text_offset += strlen (setfilename_search); | |
2111 | ||
2112 | if (!command_output_filename) | |
2113 | get_until ("\n", &output_filename); | |
2114 | else | |
2115 | { | |
2116 | if (input_text_offset != -1) | |
f8b2ac1e | 2117 | discard_until ("\n"); |
6599da04 | 2118 | else |
f8b2ac1e | 2119 | input_text_offset = 0; |
6599da04 JM |
2120 | |
2121 | real_output_filename = output_filename = command_output_filename; | |
2122 | command_output_filename = (char *)NULL; | |
2123 | } | |
2124 | ||
2125 | canon_white (output_filename); | |
2126 | ||
f8b2ac1e | 2127 | if (real_output_filename && strcmp (real_output_filename, "-") == 0) |
6599da04 | 2128 | { |
f8b2ac1e JL |
2129 | if (macro_expansion_filename |
2130 | && strcmp (macro_expansion_filename, "-") == 0) | |
2131 | { | |
2132 | fprintf (stderr, _("%s: Skipping macro expansion to stdout as Info output is going there.\n"), | |
2133 | progname); | |
2134 | macro_expansion_output_stream = NULL; | |
2135 | } | |
2136 | real_output_filename = xstrdup (real_output_filename); | |
6599da04 | 2137 | output_stream = stdout; |
f8b2ac1e | 2138 | splitting = 0; /* Cannot split when writing to stdout. */ |
6599da04 JM |
2139 | } |
2140 | else | |
2141 | { | |
2142 | if (!real_output_filename) | |
f8b2ac1e | 2143 | real_output_filename = expand_filename (output_filename, name); |
6599da04 | 2144 | else |
f8b2ac1e | 2145 | real_output_filename = xstrdup (real_output_filename); |
6599da04 JM |
2146 | |
2147 | output_stream = fopen (real_output_filename, "w"); | |
2148 | } | |
2149 | ||
2150 | if (output_stream != stdout) | |
f8b2ac1e | 2151 | printf (_("Making %s file `%s' from `%s'.\n"), |
6599da04 JM |
2152 | no_headers ? "text" : "info", output_filename, input_filename); |
2153 | ||
2154 | if (output_stream == NULL) | |
2155 | { | |
2156 | fs_error (real_output_filename); | |
2157 | goto finished; | |
2158 | } | |
2159 | ||
2160 | /* Make the displayable filename from output_filename. Only the base | |
2161 | portion of the filename need be displayed. */ | |
2162 | if (output_stream != stdout) | |
2163 | pretty_output_filename = filename_part (output_filename); | |
2164 | else | |
f8b2ac1e | 2165 | pretty_output_filename = xstrdup ("stdout"); |
6599da04 JM |
2166 | |
2167 | /* For this file only, count the number of newlines from the top of | |
2168 | the file to here. This way, we keep track of line numbers for | |
2169 | error reporting. Line_number starts at 1, since the user isn't | |
2170 | zero-based. */ | |
2171 | { | |
2172 | int temp = 0; | |
2173 | line_number = 1; | |
2174 | while (temp != input_text_offset) | |
2175 | if (input_text[temp++] == '\n') | |
f8b2ac1e | 2176 | line_number++; |
6599da04 JM |
2177 | } |
2178 | ||
2179 | if (!no_headers) | |
2180 | { | |
f8b2ac1e JL |
2181 | add_word_args (_("This is Info file %s, produced by Makeinfo version %d.%d"), |
2182 | output_filename, major_version, minor_version); | |
2183 | add_word_args (_(" from the input file %s.\n"), input_filename); | |
6599da04 JM |
2184 | } |
2185 | ||
2186 | close_paragraph (); | |
2187 | reader_loop (); | |
2188 | ||
2189 | finished: | |
f8b2ac1e | 2190 | discard_insertions (0); |
6599da04 JM |
2191 | close_paragraph (); |
2192 | flush_file_stack (); | |
2193 | ||
2194 | #if defined (HAVE_MACROS) | |
2195 | if (macro_expansion_output_stream) | |
f8b2ac1e JL |
2196 | { |
2197 | fclose (macro_expansion_output_stream); | |
2198 | if (errors_printed && !force | |
2199 | && strcmp (macro_expansion_filename, "-") != 0 | |
2200 | && strcmp (macro_expansion_filename, "/dev/null") != 0) | |
2201 | { | |
2202 | fprintf (stderr, _("%s: Removing macro output file `%s' due to errors; use --force to preserve.\n"), | |
2203 | progname, macro_expansion_filename); | |
2204 | if (unlink (macro_expansion_filename) < 0) | |
2205 | perror (macro_expansion_filename); | |
2206 | } | |
2207 | } | |
6599da04 JM |
2208 | #endif /* HAVE_MACROS */ |
2209 | ||
f8b2ac1e | 2210 | if (output_stream) |
6599da04 JM |
2211 | { |
2212 | output_pending_notes (); | |
2213 | free_pending_notes (); | |
2214 | if (tag_table != NULL) | |
f8b2ac1e JL |
2215 | { |
2216 | tag_table = (TAG_ENTRY *) reverse_list (tag_table); | |
2217 | if (!no_headers) | |
2218 | write_tag_table (); | |
2219 | } | |
6599da04 JM |
2220 | |
2221 | if (output_stream != stdout) | |
f8b2ac1e | 2222 | fclose (output_stream); |
6599da04 JM |
2223 | |
2224 | /* If validating, then validate the entire file right now. */ | |
2225 | if (validating) | |
f8b2ac1e JL |
2226 | validate_file (tag_table); |
2227 | ||
2228 | if (splitting && (!errors_printed || force)) | |
2229 | split_file (real_output_filename, 0); | |
2230 | else if (errors_printed && !force | |
2231 | && strcmp (real_output_filename, "-") != 0 | |
2232 | && strcmp (real_output_filename, "/dev/null") != 0) | |
2233 | { /* If there were errors, and no --force, remove the output. */ | |
2234 | fprintf (stderr, _("%s: Removing output file `%s' due to errors; use --force to preserve.\n"), | |
2235 | progname, real_output_filename); | |
2236 | if (unlink (real_output_filename) < 0) | |
2237 | perror (real_output_filename); | |
2238 | } | |
6599da04 JM |
2239 | } |
2240 | free (real_output_filename); | |
2241 | } | |
2242 | ||
2243 | void | |
2244 | free_and_clear (pointer) | |
2245 | char **pointer; | |
2246 | { | |
f8b2ac1e | 2247 | if (*pointer) |
6599da04 JM |
2248 | { |
2249 | free (*pointer); | |
2250 | *pointer = (char *) NULL; | |
2251 | } | |
2252 | } | |
2253 | ||
2254 | /* Initialize some state. */ | |
2255 | void | |
2256 | init_internals () | |
2257 | { | |
6599da04 JM |
2258 | free_and_clear (&output_filename); |
2259 | free_and_clear (&command); | |
2260 | free_and_clear (&input_filename); | |
2261 | free_node_references (); | |
2262 | init_insertion_stack (); | |
2263 | init_brace_stack (); | |
f8b2ac1e | 2264 | current_node = NULL; /* sometimes already freed */ |
6599da04 JM |
2265 | command_index = 0; |
2266 | in_menu = 0; | |
2267 | in_detailmenu = 0; | |
2268 | top_node_seen = 0; | |
2269 | non_top_node_seen = 0; | |
2270 | } | |
2271 | ||
2272 | void | |
2273 | init_paragraph () | |
2274 | { | |
2275 | free_and_clear (&output_paragraph); | |
2276 | output_paragraph = (unsigned char *)xmalloc (paragraph_buffer_len); | |
f8b2ac1e | 2277 | output_paragraph[0] = 0; |
6599da04 JM |
2278 | output_paragraph_offset = 0; |
2279 | output_column = 0; | |
2280 | paragraph_is_open = 0; | |
2281 | current_indent = 0; | |
2282 | } | |
2283 | ||
2284 | /* Okay, we are ready to start the conversion. Call the reader on | |
2285 | some text, and fill the text as it is output. Handle commands by | |
2286 | remembering things like open braces and the current file position on a | |
2287 | stack, and when the corresponding close brace is found, you can call | |
2288 | the function with the proper arguments. */ | |
2289 | void | |
2290 | reader_loop () | |
2291 | { | |
2292 | int character; | |
2293 | int done = 0; | |
2294 | int dash_count = 0; | |
2295 | ||
2296 | while (!done) | |
2297 | { | |
2298 | if (input_text_offset >= size_of_input_text) | |
f8b2ac1e | 2299 | break; |
6599da04 JM |
2300 | |
2301 | character = curchar (); | |
2302 | ||
2303 | if (!in_fixed_width_font && | |
f8b2ac1e JL |
2304 | (character == '\'' || character == '`') && |
2305 | input_text[input_text_offset + 1] == character) | |
2306 | { | |
2307 | input_text_offset++; | |
2308 | character = '"'; | |
2309 | } | |
6599da04 JM |
2310 | |
2311 | if (character == '-') | |
f8b2ac1e JL |
2312 | { |
2313 | dash_count++; | |
2314 | if (dash_count == 2 && !in_fixed_width_font) | |
2315 | { | |
2316 | input_text_offset++; | |
2317 | continue; | |
2318 | } | |
2319 | } | |
6599da04 | 2320 | else |
f8b2ac1e JL |
2321 | { |
2322 | dash_count = 0; | |
2323 | } | |
6599da04 JM |
2324 | |
2325 | /* If this is a whitespace character, then check to see if the line | |
f8b2ac1e | 2326 | is blank. If so, advance to the carriage return. */ |
6599da04 | 2327 | if (whitespace (character)) |
f8b2ac1e JL |
2328 | { |
2329 | register int i = input_text_offset + 1; | |
6599da04 | 2330 | |
f8b2ac1e JL |
2331 | while (i < size_of_input_text && whitespace (input_text[i])) |
2332 | i++; | |
6599da04 | 2333 | |
f8b2ac1e JL |
2334 | if (i == size_of_input_text || input_text[i] == '\n') |
2335 | { | |
2336 | if (i == size_of_input_text) | |
2337 | i--; | |
6599da04 | 2338 | |
f8b2ac1e JL |
2339 | input_text_offset = i; |
2340 | character = curchar (); | |
2341 | } | |
2342 | } | |
6599da04 JM |
2343 | |
2344 | if (character == '\n') | |
f8b2ac1e JL |
2345 | { |
2346 | line_number++; | |
2347 | ||
2348 | /* Check for a menu entry here, since the "escape sequence" | |
2349 | that begins menu entries is "\n* ". */ | |
2350 | if (in_menu && input_text_offset + 1 < size_of_input_text) | |
2351 | { | |
2352 | char *glean_node_from_menu (), *tem; | |
2353 | ||
2354 | /* Note that the value of TEM is discarded, since it is | |
2355 | gauranteed to be NULL when glean_node_from_menu () is | |
2356 | called with a Nonzero argument. */ | |
2357 | if (!in_detailmenu) | |
2358 | tem = glean_node_from_menu (1); | |
2359 | } | |
2360 | } | |
6599da04 JM |
2361 | |
2362 | switch (character) | |
f8b2ac1e JL |
2363 | { |
2364 | case COMMAND_PREFIX: | |
2365 | read_command (); | |
2366 | break; | |
2367 | ||
2368 | case '{': | |
2369 | /* Special case. I'm not supposed to see this character by itself. | |
2370 | If I do, it means there is a syntax error in the input text. | |
2371 | Report the error here, but remember this brace on the stack so | |
2372 | you can ignore its partner. */ | |
2373 | ||
2374 | line_error (_("Misplaced %c"), '{'); | |
2375 | remember_brace (misplaced_brace); | |
2376 | ||
2377 | /* Don't advance input_text_offset since this happens in | |
2378 | remember_brace (). | |
2379 | input_text_offset++; | |
6599da04 | 2380 | */ |
f8b2ac1e | 2381 | break; |
6599da04 | 2382 | |
f8b2ac1e JL |
2383 | case '}': |
2384 | pop_and_call_brace (); | |
2385 | input_text_offset++; | |
2386 | break; | |
6599da04 | 2387 | |
f8b2ac1e JL |
2388 | default: |
2389 | add_char (character); | |
2390 | input_text_offset++; | |
2391 | } | |
6599da04 JM |
2392 | } |
2393 | #if defined (HAVE_MACROS) | |
2394 | if (macro_expansion_output_stream) | |
2395 | maybe_write_itext (input_text, input_text_offset); | |
2396 | #endif /* HAVE_MACROS */ | |
2397 | } | |
2398 | ||
2399 | /* Find the command corresponding to STRING. If the command | |
2400 | is found, return a pointer to the data structure. Otherwise | |
2401 | return (-1). */ | |
2402 | COMMAND * | |
2403 | get_command_entry (string) | |
2404 | char *string; | |
2405 | { | |
2406 | register int i; | |
2407 | ||
f8b2ac1e JL |
2408 | for (i = 0; command_table[i].name; i++) |
2409 | if (strcmp (command_table[i].name, string) == 0) | |
2410 | return (&command_table[i]); | |
6599da04 JM |
2411 | |
2412 | /* This command is not in our predefined command table. Perhaps | |
2413 | it is a user defined command. */ | |
2414 | for (i = 0; i < user_command_array_len; i++) | |
2415 | if (user_command_array[i] && | |
f8b2ac1e | 2416 | (strcmp (user_command_array[i]->name, string) == 0)) |
6599da04 JM |
2417 | return (user_command_array[i]); |
2418 | ||
f8b2ac1e | 2419 | /* We never heard of this command. */ |
6599da04 JM |
2420 | return ((COMMAND *) -1); |
2421 | } | |
2422 | ||
2423 | /* input_text_offset is right at the command prefix character. | |
2424 | Read the next token to determine what to do. */ | |
2425 | void | |
2426 | read_command () | |
2427 | { | |
2428 | COMMAND *entry; | |
2429 | ||
2430 | input_text_offset++; | |
2431 | free_and_clear (&command); | |
2432 | command = read_token (); | |
2433 | ||
2434 | #if defined (HAVE_MACROS) | |
2435 | /* Check to see if this command is a macro. If so, execute it here. */ | |
2436 | { | |
2437 | MACRO_DEF *def; | |
2438 | ||
2439 | def = find_macro (command); | |
2440 | ||
2441 | if (def) | |
2442 | { | |
f8b2ac1e JL |
2443 | /* We disallow recursive use of a macro call. Inhibit the expansion |
2444 | of this macro during the life of its execution. */ | |
2445 | if (!(def->flags & ME_RECURSE)) | |
2446 | def->inhibited = 1; | |
6599da04 | 2447 | |
f8b2ac1e | 2448 | execute_macro (def); |
6599da04 | 2449 | |
f8b2ac1e JL |
2450 | if (!(def->flags & ME_RECURSE)) |
2451 | def->inhibited = 0; | |
6599da04 | 2452 | |
f8b2ac1e | 2453 | return; |
6599da04 JM |
2454 | } |
2455 | } | |
2456 | #endif /* HAVE_MACROS */ | |
2457 | ||
2458 | entry = get_command_entry (command); | |
6599da04 JM |
2459 | if (entry == (COMMAND *)-1) |
2460 | { | |
f8b2ac1e | 2461 | line_error (_("Unknown command `%s'"), command); |
6599da04 JM |
2462 | return; |
2463 | } | |
2464 | ||
2465 | if (entry->argument_in_braces) | |
2466 | remember_brace (entry->proc); | |
2467 | ||
2468 | (*(entry->proc)) (START, output_paragraph_offset, 0); | |
2469 | } | |
2470 | ||
2471 | /* Return the string which invokes PROC; a pointer to a function. */ | |
2472 | char * | |
2473 | find_proc_name (proc) | |
2474 | COMMAND_FUNCTION *proc; | |
2475 | { | |
2476 | register int i; | |
2477 | ||
f8b2ac1e JL |
2478 | for (i = 0; command_table[i].name; i++) |
2479 | if (proc == command_table[i].proc) | |
2480 | return command_table[i].name; | |
2481 | return _("NO_NAME!"); | |
6599da04 JM |
2482 | } |
2483 | ||
2484 | void | |
2485 | init_brace_stack () | |
2486 | { | |
2487 | brace_stack = (BRACE_ELEMENT *) NULL; | |
2488 | } | |
2489 | ||
2490 | void | |
2491 | remember_brace (proc) | |
2492 | COMMAND_FUNCTION *proc; | |
2493 | { | |
2494 | if (curchar () != '{') | |
f8b2ac1e | 2495 | line_error (_("%c%s expected `{...}'"), COMMAND_PREFIX, command); |
6599da04 JM |
2496 | else |
2497 | input_text_offset++; | |
2498 | remember_brace_1 (proc, output_paragraph_offset); | |
2499 | } | |
2500 | ||
2501 | /* Remember the current output position here. Save PROC | |
2502 | along with it so you can call it later. */ | |
2503 | void | |
2504 | remember_brace_1 (proc, position) | |
2505 | COMMAND_FUNCTION *proc; | |
2506 | int position; | |
2507 | { | |
2508 | BRACE_ELEMENT *new = (BRACE_ELEMENT *) xmalloc (sizeof (BRACE_ELEMENT)); | |
2509 | new->next = brace_stack; | |
2510 | new->proc = proc; | |
2511 | new->pos = position; | |
2512 | new->line = line_number; | |
2513 | new->in_fixed_width_font = in_fixed_width_font; | |
2514 | brace_stack = new; | |
2515 | } | |
2516 | ||
2517 | /* Pop the top of the brace stack, and call the associated function | |
2518 | with the args END and POS. */ | |
2519 | void | |
2520 | pop_and_call_brace () | |
2521 | { | |
2522 | BRACE_ELEMENT *temp; | |
2523 | COMMAND_FUNCTION *proc; | |
2524 | int pos; | |
2525 | ||
2526 | if (brace_stack == (BRACE_ELEMENT *) NULL) | |
2527 | { | |
f8b2ac1e | 2528 | line_error (_("Unmatched }")); |
6599da04 JM |
2529 | return; |
2530 | } | |
2531 | ||
2532 | pos = brace_stack->pos; | |
2533 | proc = brace_stack->proc; | |
2534 | in_fixed_width_font = brace_stack->in_fixed_width_font; | |
2535 | temp = brace_stack->next; | |
2536 | free (brace_stack); | |
2537 | brace_stack = temp; | |
2538 | ||
2539 | (*proc) (END, pos, output_paragraph_offset); | |
2540 | } | |
2541 | ||
2542 | /* Shift all of the markers in `brace_stack' by AMOUNT. */ | |
2543 | void | |
2544 | adjust_braces_following (here, amount) | |
2545 | int here, amount; | |
2546 | { | |
2547 | register BRACE_ELEMENT *stack = brace_stack; | |
2548 | ||
2549 | while (stack) | |
2550 | { | |
2551 | if (stack->pos >= here) | |
f8b2ac1e | 2552 | stack->pos += amount; |
6599da04 JM |
2553 | stack = stack->next; |
2554 | } | |
2555 | } | |
2556 | ||
2557 | /* You call discard_braces () when you shouldn't have any braces on the stack. | |
2558 | I used to think that this happens for commands that don't take arguments | |
2559 | in braces, but that was wrong because of things like @code{foo @@}. So now | |
2560 | I only detect it at the beginning of nodes. */ | |
2561 | void | |
2562 | discard_braces () | |
2563 | { | |
2564 | if (!brace_stack) | |
2565 | return; | |
2566 | ||
2567 | while (brace_stack) | |
2568 | { | |
2569 | if (brace_stack->proc != misplaced_brace) | |
f8b2ac1e JL |
2570 | { |
2571 | char *proc_name; | |
2572 | int temp_line_number = line_number; | |
2573 | ||
2574 | line_number = brace_stack->line; | |
2575 | proc_name = find_proc_name (brace_stack->proc); | |
2576 | line_error (_("%c%s missing close brace"), COMMAND_PREFIX, proc_name); | |
2577 | line_number = temp_line_number; | |
2578 | pop_and_call_brace (); | |
2579 | } | |
6599da04 | 2580 | else |
f8b2ac1e JL |
2581 | { |
2582 | BRACE_ELEMENT *temp; | |
2583 | temp = brace_stack->next; | |
2584 | free (brace_stack); | |
2585 | brace_stack = temp; | |
2586 | } | |
6599da04 JM |
2587 | } |
2588 | } | |
2589 | ||
2590 | int | |
2591 | get_char_len (character) | |
2592 | int character; | |
2593 | { | |
2594 | /* Return the printed length of the character. */ | |
2595 | int len; | |
2596 | ||
2597 | switch (character) | |
2598 | { | |
2599 | case '\t': | |
2600 | len = (output_column + 8) & 0xf7; | |
2601 | if (len > fill_column) | |
f8b2ac1e | 2602 | len = fill_column - output_column; |
6599da04 | 2603 | else |
f8b2ac1e | 2604 | len = len - output_column; |
6599da04 JM |
2605 | break; |
2606 | ||
2607 | case '\n': | |
2608 | len = fill_column - output_column; | |
2609 | break; | |
2610 | ||
2611 | default: | |
f8b2ac1e JL |
2612 | /* ASCII control characters appear as two characters in the output |
2613 | (e.g., ^A). But characters with the high bit set are just one | |
2614 | on suitable terminals, so don't count them as two for line | |
2615 | breaking purposes. */ | |
2616 | if (0 <= character && character < ' ') | |
2617 | len = 2; | |
6599da04 | 2618 | else |
f8b2ac1e | 2619 | len = 1; |
6599da04 | 2620 | } |
f8b2ac1e | 2621 | return (len); |
6599da04 JM |
2622 | } |
2623 | ||
6599da04 | 2624 | void |
f8b2ac1e JL |
2625 | #if defined (VA_FPRINTF) && __STDC__ |
2626 | add_word_args (char *format, ...) | |
2627 | #else | |
2628 | add_word_args (format, va_alist) | |
2629 | char *format; | |
2630 | va_dcl | |
2631 | #endif | |
6599da04 JM |
2632 | { |
2633 | char buffer[1000]; | |
f8b2ac1e JL |
2634 | #ifdef VA_FPRINTF |
2635 | va_list ap; | |
2636 | #endif | |
2637 | ||
2638 | VA_START (ap, format); | |
2639 | #ifdef VA_SPRINTF | |
2640 | VA_SPRINTF (buffer, format, ap); | |
2641 | #else | |
2642 | sprintf (temp_string, format, a1, a2, a3, a4, a5, a6, a7, a8); | |
2643 | #endif /* not VA_SPRINTF */ | |
2644 | va_end (ap); | |
6599da04 JM |
2645 | add_word (buffer); |
2646 | } | |
2647 | ||
6599da04 JM |
2648 | /* Add STRING to output_paragraph. */ |
2649 | void | |
2650 | add_word (string) | |
2651 | char *string; | |
2652 | { | |
2653 | while (*string) | |
2654 | add_char (*string++); | |
2655 | } | |
2656 | ||
f8b2ac1e | 2657 | /* Nonzero if the last character inserted has the syntax class of NEWLINE. */ |
6599da04 JM |
2658 | int last_char_was_newline = 1; |
2659 | ||
2660 | /* The actual last inserted character. Note that this may be something | |
2661 | other than NEWLINE even if last_char_was_newline is 1. */ | |
2662 | int last_inserted_character = 0; | |
2663 | ||
f8b2ac1e | 2664 | /* Nonzero means that a newline character has already been |
6599da04 JM |
2665 | inserted, so close_paragraph () should insert one less. */ |
2666 | int line_already_broken = 0; | |
2667 | ||
f8b2ac1e | 2668 | /* When nonzero we have finished an insertion (see `end_insertion') and we |
6599da04 JM |
2669 | want to ignore false continued paragraph closings. */ |
2670 | int insertion_paragraph_closed = 0; | |
2671 | ||
f8b2ac1e | 2672 | /* Nonzero means attempt to make all of the lines have fill_column width. */ |
6599da04 JM |
2673 | int do_justification = 0; |
2674 | ||
2675 | /* Add the character to the current paragraph. If filling_enabled is | |
f8b2ac1e | 2676 | nonzero, then do filling as well. */ |
6599da04 JM |
2677 | void |
2678 | add_char (character) | |
2679 | int character; | |
2680 | { | |
2681 | /* If we are avoiding outputting headers, and we are currently | |
2682 | in a menu, then simply return. */ | |
2683 | if (no_headers && (in_menu || in_detailmenu)) | |
2684 | return; | |
2685 | ||
2686 | /* If we are adding a character now, then we don't have to | |
2687 | ignore close_paragraph () calls any more. */ | |
2688 | if (must_start_paragraph && character != '\n') | |
2689 | { | |
2690 | must_start_paragraph = 0; | |
f8b2ac1e | 2691 | line_already_broken = 0; /* The line is no longer broken. */ |
6599da04 | 2692 | if (current_indent > output_column) |
f8b2ac1e JL |
2693 | { |
2694 | indent (current_indent - output_column); | |
2695 | output_column = current_indent; | |
2696 | } | |
6599da04 JM |
2697 | } |
2698 | ||
2699 | if (non_splitting_words && member (character, " \t\n")) | |
2700 | character = ' ' | 0x80; | |
2701 | ||
2702 | insertion_paragraph_closed = 0; | |
2703 | ||
2704 | switch (character) | |
2705 | { | |
2706 | case '\n': | |
2707 | if (!filling_enabled) | |
f8b2ac1e JL |
2708 | { |
2709 | insert ('\n'); | |
2710 | ||
2711 | if (force_flush_right) | |
2712 | { | |
2713 | close_paragraph (); | |
2714 | /* Hack to force single blank lines out in this mode. */ | |
2715 | flush_output (); | |
2716 | } | |
2717 | ||
2718 | output_column = 0; | |
2719 | ||
2720 | if (!no_indent && paragraph_is_open) | |
2721 | indent (output_column = current_indent); | |
2722 | break; | |
2723 | } | |
6599da04 | 2724 | else /* CHARACTER is newline, and filling is enabled. */ |
f8b2ac1e JL |
2725 | { |
2726 | if (end_of_sentence_p ()) | |
2727 | { | |
2728 | insert (' '); | |
2729 | output_column++; | |
2730 | last_inserted_character = character; | |
2731 | } | |
2732 | } | |
6599da04 JM |
2733 | |
2734 | if (last_char_was_newline) | |
f8b2ac1e JL |
2735 | { |
2736 | close_paragraph (); | |
2737 | pending_indent = 0; | |
2738 | } | |
6599da04 | 2739 | else |
f8b2ac1e JL |
2740 | { |
2741 | last_char_was_newline = 1; | |
2742 | insert (' '); | |
2743 | output_column++; | |
2744 | } | |
6599da04 JM |
2745 | break; |
2746 | ||
2747 | default: | |
2748 | { | |
f8b2ac1e JL |
2749 | int len = get_char_len (character); |
2750 | int suppress_insert = 0; | |
2751 | ||
2752 | if ((character == ' ') && (last_char_was_newline)) | |
2753 | { | |
2754 | if (!paragraph_is_open) | |
2755 | { | |
2756 | pending_indent++; | |
2757 | return; | |
2758 | } | |
2759 | } | |
2760 | ||
2761 | if (!paragraph_is_open) | |
2762 | { | |
2763 | start_paragraph (); | |
2764 | ||
2765 | /* If the paragraph is supposed to be indented a certain way, | |
2766 | then discard all of the pending whitespace. Otherwise, we | |
2767 | let the whitespace stay. */ | |
2768 | if (!paragraph_start_indent) | |
2769 | indent (pending_indent); | |
2770 | pending_indent = 0; | |
2771 | } | |
2772 | ||
2773 | if ((output_column += len) > fill_column) | |
2774 | { | |
2775 | if (filling_enabled) | |
2776 | { | |
2777 | int temp = output_paragraph_offset; | |
2778 | while (--temp > 0 && output_paragraph[temp] != '\n') | |
2779 | { | |
2780 | /* If we have found a space, we have the place to break | |
2781 | the line. */ | |
2782 | if (output_paragraph[temp] == ' ') | |
2783 | { | |
2784 | /* Remove trailing whitespace from output. */ | |
2785 | while (temp && whitespace (output_paragraph[temp - 1])) | |
2786 | temp--; | |
2787 | ||
2788 | output_paragraph[temp++] = '\n'; | |
2789 | ||
2790 | /* We have correctly broken the line where we want | |
2791 | to. What we don't want is spaces following where | |
2792 | we have decided to break the line. We get rid of | |
2793 | them. */ | |
2794 | { | |
2795 | int t1 = temp; | |
2796 | ||
2797 | for (;; t1++) | |
2798 | { | |
2799 | if (t1 == output_paragraph_offset) | |
2800 | { | |
2801 | if (whitespace (character)) | |
2802 | suppress_insert = 1; | |
2803 | break; | |
2804 | } | |
2805 | if (!whitespace (output_paragraph[t1])) | |
2806 | break; | |
2807 | } | |
2808 | ||
2809 | if (t1 != temp) | |
2810 | { | |
2811 | adjust_braces_following (temp, (- (t1 - temp))); | |
2812 | strncpy ((char *) &output_paragraph[temp], | |
2813 | (char *) &output_paragraph[t1], | |
2814 | (output_paragraph_offset - t1)); | |
2815 | output_paragraph_offset -= (t1 - temp); | |
2816 | } | |
2817 | } | |
2818 | ||
2819 | /* Filled, but now indent if that is right. */ | |
2820 | if (indented_fill && current_indent) | |
2821 | { | |
2822 | int buffer_len = ((output_paragraph_offset - temp) | |
2823 | + current_indent); | |
2824 | char *temp_buffer = (char *)xmalloc (buffer_len); | |
2825 | int indentation = 0; | |
2826 | ||
2827 | /* We have to shift any markers that are in | |
2828 | front of the wrap point. */ | |
2829 | adjust_braces_following (temp, current_indent); | |
2830 | ||
2831 | while (current_indent > 0 && | |
2832 | indentation != current_indent) | |
2833 | temp_buffer[indentation++] = ' '; | |
2834 | ||
2835 | strncpy ((char *) &temp_buffer[current_indent], | |
2836 | (char *) &output_paragraph[temp], | |
2837 | buffer_len - current_indent); | |
2838 | ||
2839 | if (output_paragraph_offset + buffer_len | |
2840 | >= paragraph_buffer_len) | |
2841 | { | |
2842 | unsigned char *tt = xrealloc | |
2843 | (output_paragraph, | |
2844 | (paragraph_buffer_len += buffer_len)); | |
2845 | output_paragraph = tt; | |
2846 | } | |
2847 | strncpy ((char *) &output_paragraph[temp], | |
2848 | temp_buffer, buffer_len); | |
2849 | output_paragraph_offset += current_indent; | |
2850 | free (temp_buffer); | |
2851 | } | |
2852 | output_column = 0; | |
2853 | while (temp < output_paragraph_offset) | |
2854 | output_column += | |
2855 | get_char_len (output_paragraph[temp++]); | |
2856 | output_column += len; | |
2857 | break; | |
2858 | } | |
2859 | } | |
2860 | } | |
2861 | } | |
2862 | ||
2863 | if (!suppress_insert) | |
2864 | { | |
2865 | insert (character); | |
2866 | last_inserted_character = character; | |
2867 | } | |
2868 | last_char_was_newline = 0; | |
2869 | line_already_broken = 0; | |
6599da04 JM |
2870 | } |
2871 | } | |
2872 | } | |
2873 | ||
2874 | /* Insert CHARACTER into `output_paragraph'. */ | |
2875 | void | |
2876 | insert (character) | |
2877 | int character; | |
2878 | { | |
2879 | output_paragraph[output_paragraph_offset++] = character; | |
2880 | if (output_paragraph_offset == paragraph_buffer_len) | |
2881 | { | |
2882 | output_paragraph = | |
f8b2ac1e | 2883 | xrealloc (output_paragraph, (paragraph_buffer_len += 100)); |
6599da04 JM |
2884 | } |
2885 | } | |
2886 | ||
2887 | /* Insert the null-terminated string STRING into `output_paragraph'. */ | |
2888 | void | |
2889 | insert_string (string) | |
2890 | char *string; | |
2891 | { | |
2892 | while (*string) | |
2893 | insert (*string++); | |
2894 | } | |
2895 | ||
f8b2ac1e JL |
2896 | |
2897 | /* Sentences might have these characters after the period (or whatever). */ | |
2898 | #define post_sentence(c) ((c) == ')' || (c) == '\'' || (c) == '"' \ | |
2899 | || (c) == ']') | |
2900 | ||
2901 | /* Return true if at an end-of-sentence character, possibly followed by | |
2902 | post-sentence punctuation to ignore. */ | |
2903 | static int | |
2904 | end_of_sentence_p () | |
2905 | { | |
2906 | int loc = output_paragraph_offset - 1; | |
2907 | while (loc > 0 && post_sentence (output_paragraph[loc])) | |
2908 | loc--; | |
2909 | return sentence_ender (output_paragraph[loc]); | |
2910 | } | |
2911 | ||
2912 | ||
38e01259 JL |
2913 | /* Remove up to COUNT characters of whitespace from the |
2914 | current output line. If COUNT is less than zero, | |
6599da04 JM |
2915 | then remove until none left. */ |
2916 | void | |
2917 | kill_self_indent (count) | |
2918 | int count; | |
2919 | { | |
2920 | /* Handle infinite case first. */ | |
2921 | if (count < 0) | |
2922 | { | |
2923 | output_column = 0; | |
2924 | while (output_paragraph_offset) | |
f8b2ac1e JL |
2925 | { |
2926 | if (whitespace (output_paragraph[output_paragraph_offset - 1])) | |
2927 | output_paragraph_offset--; | |
2928 | else | |
2929 | break; | |
2930 | } | |
6599da04 JM |
2931 | } |
2932 | else | |
2933 | { | |
2934 | while (output_paragraph_offset && count--) | |
f8b2ac1e JL |
2935 | if (whitespace (output_paragraph[output_paragraph_offset - 1])) |
2936 | output_paragraph_offset--; | |
2937 | else | |
2938 | break; | |
6599da04 JM |
2939 | } |
2940 | } | |
2941 | ||
f8b2ac1e | 2942 | /* Nonzero means do not honor calls to flush_output (). */ |
6599da04 JM |
2943 | static int flushing_ignored = 0; |
2944 | ||
2945 | /* Prevent calls to flush_output () from having any effect. */ | |
2946 | void | |
2947 | inhibit_output_flushing () | |
2948 | { | |
2949 | flushing_ignored++; | |
2950 | } | |
2951 | ||
2952 | /* Allow calls to flush_output () to write the paragraph data. */ | |
2953 | void | |
2954 | uninhibit_output_flushing () | |
2955 | { | |
2956 | flushing_ignored--; | |
2957 | } | |
2958 | ||
2959 | void | |
2960 | flush_output () | |
2961 | { | |
2962 | register int i; | |
2963 | ||
2964 | if (!output_paragraph_offset || flushing_ignored) | |
2965 | return; | |
2966 | ||
2967 | for (i = 0; i < output_paragraph_offset; i++) | |
2968 | { | |
2969 | /* If we turned on the 8th bit for a space | |
2970 | inside @w, turn it back off for output. */ | |
2971 | if (output_paragraph[i] & meta_character_bit) | |
2972 | { | |
2973 | int temp = UNMETA (output_paragraph[i]); | |
2974 | if (temp == ' ') | |
f8b2ac1e | 2975 | output_paragraph[i] &= 0x7f; |
6599da04 JM |
2976 | } |
2977 | } | |
2978 | ||
2979 | fwrite (output_paragraph, 1, output_paragraph_offset, output_stream); | |
2980 | ||
2981 | output_position += output_paragraph_offset; | |
2982 | output_paragraph_offset = 0; | |
2983 | } | |
2984 | ||
2985 | /* How to close a paragraph controlling the number of lines between | |
2986 | this one and the last one. */ | |
2987 | ||
2988 | /* Paragraph spacing is controlled by this variable. It is the number of | |
2989 | blank lines that you wish to appear between paragraphs. A value of | |
2990 | 1 creates a single blank line between paragraphs. */ | |
2991 | int paragraph_spacing = DEFAULT_PARAGRAPH_SPACING; | |
2992 | ||
2993 | /* Close the current paragraph, leaving no blank lines between them. */ | |
2994 | void | |
2995 | close_single_paragraph () | |
2996 | { | |
2997 | close_paragraph_with_lines (0); | |
2998 | } | |
2999 | ||
3000 | /* Close a paragraph after an insertion has ended. */ | |
3001 | void | |
3002 | close_insertion_paragraph () | |
3003 | { | |
3004 | if (!insertion_paragraph_closed) | |
3005 | { | |
3006 | /* Close the current paragraph, breaking the line. */ | |
3007 | close_single_paragraph (); | |
3008 | ||
f8b2ac1e JL |
3009 | /* Start a new paragraph, with the correct indentation for the now |
3010 | current insertion level (one above the one that we are ending). */ | |
6599da04 JM |
3011 | start_paragraph (); |
3012 | ||
f8b2ac1e JL |
3013 | /* Tell `close_paragraph' that the previous line has already been |
3014 | broken, so it should insert one less newline. */ | |
6599da04 JM |
3015 | line_already_broken = 1; |
3016 | ||
f8b2ac1e | 3017 | /* Tell functions such as `add_char' we've already found a newline. */ |
6599da04 JM |
3018 | ignore_blank_line (); |
3019 | } | |
3020 | else | |
3021 | { | |
3022 | /* If the insertion paragraph is closed already, then we are seeing | |
f8b2ac1e JL |
3023 | two `@end' commands in a row. Note that the first one we saw was |
3024 | handled in the first part of this if-then-else clause, and at that | |
3025 | time `start_paragraph' was called, partially to handle the proper | |
3026 | indentation of the current line. However, the indentation level | |
3027 | may have just changed again, so we may have to outdent the current | |
3028 | line to the new indentation level. */ | |
6599da04 | 3029 | if (current_indent < output_column) |
f8b2ac1e | 3030 | kill_self_indent (output_column - current_indent); |
6599da04 JM |
3031 | } |
3032 | ||
3033 | insertion_paragraph_closed = 1; | |
3034 | } | |
3035 | ||
3036 | void | |
3037 | close_paragraph_with_lines (lines) | |
3038 | int lines; | |
3039 | { | |
3040 | int old_spacing = paragraph_spacing; | |
3041 | paragraph_spacing = lines; | |
3042 | close_paragraph (); | |
3043 | paragraph_spacing = old_spacing; | |
3044 | } | |
3045 | ||
3046 | /* Close the currently open paragraph. */ | |
3047 | void | |
3048 | close_paragraph () | |
3049 | { | |
3050 | register int i; | |
3051 | ||
3052 | /* The insertion paragraph is no longer closed. */ | |
3053 | insertion_paragraph_closed = 0; | |
3054 | ||
3055 | if (paragraph_is_open && !must_start_paragraph) | |
3056 | { | |
3057 | register int tindex, c; | |
3058 | ||
3059 | tindex = output_paragraph_offset; | |
3060 | ||
3061 | /* Back up to last non-newline/space character, forcing all such | |
f8b2ac1e JL |
3062 | subsequent characters to be newlines. This isn't strictly |
3063 | necessary, but a couple of functions use the presence of a newline | |
3064 | to make decisions. */ | |
6599da04 | 3065 | for (tindex = output_paragraph_offset - 1; tindex >= 0; --tindex) |
f8b2ac1e JL |
3066 | { |
3067 | c = output_paragraph[tindex]; | |
6599da04 | 3068 | |
f8b2ac1e JL |
3069 | if (c == ' '|| c == '\n') |
3070 | output_paragraph[tindex] = '\n'; | |
3071 | else | |
3072 | break; | |
3073 | } | |
6599da04 JM |
3074 | |
3075 | /* All trailing whitespace is ignored. */ | |
3076 | output_paragraph_offset = ++tindex; | |
3077 | ||
3078 | /* Break the line if that is appropriate. */ | |
3079 | if (paragraph_spacing >= 0) | |
f8b2ac1e | 3080 | insert ('\n'); |
6599da04 | 3081 | |
f8b2ac1e | 3082 | /* Add as many blank lines as is specified in `paragraph_spacing'. */ |
6599da04 | 3083 | if (!force_flush_right) |
f8b2ac1e JL |
3084 | { |
3085 | for (i = 0; i < (paragraph_spacing - line_already_broken); i++) | |
3086 | insert ('\n'); | |
3087 | } | |
6599da04 JM |
3088 | |
3089 | /* If we are doing flush right indentation, then do it now | |
f8b2ac1e | 3090 | on the paragraph (really a single line). */ |
6599da04 | 3091 | if (force_flush_right) |
f8b2ac1e | 3092 | do_flush_right_indentation (); |
6599da04 JM |
3093 | |
3094 | flush_output (); | |
3095 | paragraph_is_open = 0; | |
3096 | no_indent = 0; | |
3097 | output_column = 0; | |
3098 | } | |
3099 | ignore_blank_line (); | |
3100 | } | |
3101 | ||
3102 | /* Make the last line just read look as if it were only a newline. */ | |
3103 | void | |
3104 | ignore_blank_line () | |
3105 | { | |
3106 | last_inserted_character = '\n'; | |
3107 | last_char_was_newline = 1; | |
3108 | } | |
3109 | ||
3110 | /* Align the end of the text in output_paragraph with fill_column. */ | |
3111 | void | |
3112 | do_flush_right_indentation () | |
3113 | { | |
3114 | char *temp; | |
3115 | int temp_len; | |
3116 | ||
3117 | kill_self_indent (-1); | |
3118 | ||
3119 | if (output_paragraph[0] != '\n') | |
3120 | { | |
f8b2ac1e | 3121 | output_paragraph[output_paragraph_offset] = 0; |
6599da04 JM |
3122 | |
3123 | if (output_paragraph_offset < fill_column) | |
f8b2ac1e JL |
3124 | { |
3125 | register int i; | |
6599da04 | 3126 | |
f8b2ac1e JL |
3127 | if (fill_column >= paragraph_buffer_len) |
3128 | output_paragraph = | |
3129 | xrealloc (output_paragraph, | |
3130 | (paragraph_buffer_len += fill_column)); | |
6599da04 | 3131 | |
f8b2ac1e JL |
3132 | temp_len = strlen ((char *)output_paragraph); |
3133 | temp = (char *)xmalloc (temp_len + 1); | |
3134 | memcpy (temp, (char *)output_paragraph, temp_len); | |
6599da04 | 3135 | |
f8b2ac1e JL |
3136 | for (i = 0; i < fill_column - output_paragraph_offset; i++) |
3137 | output_paragraph[i] = ' '; | |
6599da04 | 3138 | |
f8b2ac1e JL |
3139 | memcpy ((char *)output_paragraph + i, temp, temp_len); |
3140 | free (temp); | |
3141 | output_paragraph_offset = fill_column; | |
3142 | } | |
6599da04 JM |
3143 | } |
3144 | } | |
3145 | ||
3146 | /* Begin a new paragraph. */ | |
3147 | void | |
3148 | start_paragraph () | |
3149 | { | |
3150 | /* First close existing one. */ | |
3151 | if (paragraph_is_open) | |
3152 | close_paragraph (); | |
3153 | ||
3154 | /* In either case, the insertion paragraph is no longer closed. */ | |
3155 | insertion_paragraph_closed = 0; | |
3156 | ||
3157 | /* However, the paragraph is open! */ | |
3158 | paragraph_is_open = 1; | |
3159 | ||
3160 | /* If we MUST_START_PARAGRAPH, that simply means that start_paragraph () | |
3161 | had to be called before we would allow any other paragraph operations | |
3162 | to have an effect. */ | |
3163 | if (!must_start_paragraph) | |
3164 | { | |
3165 | int amount_to_indent = 0; | |
3166 | ||
3167 | /* If doing indentation, then insert the appropriate amount. */ | |
3168 | if (!no_indent) | |
f8b2ac1e JL |
3169 | { |
3170 | if (inhibit_paragraph_indentation) | |
3171 | { | |
3172 | amount_to_indent = current_indent; | |
3173 | if (inhibit_paragraph_indentation < 0) | |
3174 | inhibit_paragraph_indentation++; | |
3175 | } | |
3176 | else if (paragraph_start_indent < 0) | |
3177 | amount_to_indent = current_indent; | |
3178 | else | |
3179 | amount_to_indent = current_indent + paragraph_start_indent; | |
3180 | ||
3181 | if (amount_to_indent >= output_column) | |
3182 | { | |
3183 | amount_to_indent -= output_column; | |
3184 | indent (amount_to_indent); | |
3185 | output_column += amount_to_indent; | |
3186 | } | |
3187 | } | |
6599da04 JM |
3188 | } |
3189 | else | |
3190 | must_start_paragraph = 0; | |
3191 | } | |
3192 | ||
3193 | /* Insert the indentation specified by AMOUNT. */ | |
3194 | void | |
3195 | indent (amount) | |
3196 | int amount; | |
3197 | { | |
3198 | register BRACE_ELEMENT *elt = brace_stack; | |
3199 | ||
3200 | /* For every START_POS saved within the brace stack which will be affected | |
3201 | by this indentation, bump that start pos forward. */ | |
3202 | while (elt) | |
3203 | { | |
3204 | if (elt->pos >= output_paragraph_offset) | |
f8b2ac1e | 3205 | elt->pos += amount; |
6599da04 JM |
3206 | elt = elt->next; |
3207 | } | |
3208 | ||
3209 | while (--amount >= 0) | |
3210 | insert (' '); | |
3211 | } | |
3212 | ||
3213 | /* Search forward for STRING in input_text. | |
38e01259 | 3214 | FROM says where to start. */ |
6599da04 JM |
3215 | int |
3216 | search_forward (string, from) | |
3217 | char *string; | |
3218 | int from; | |
3219 | { | |
3220 | int len = strlen (string); | |
3221 | ||
3222 | while (from < size_of_input_text) | |
3223 | { | |
3224 | if (strncmp (input_text + from, string, len) == 0) | |
f8b2ac1e | 3225 | return (from); |
6599da04 JM |
3226 | from++; |
3227 | } | |
3228 | return (-1); | |
3229 | } | |
3230 | ||
3231 | /* Whoops, Unix doesn't have strcasecmp. */ | |
3232 | ||
3233 | /* Case independent string compare. */ | |
3234 | #if !defined (HAVE_STRCASECMP) | |
3235 | int | |
3236 | strcasecmp (string1, string2) | |
3237 | char *string1, *string2; | |
3238 | { | |
3239 | char ch1, ch2; | |
3240 | ||
3241 | for (;;) | |
3242 | { | |
3243 | ch1 = *string1++; | |
3244 | ch2 = *string2++; | |
3245 | ||
3246 | if (!(ch1 | ch2)) | |
f8b2ac1e | 3247 | return (0); |
6599da04 JM |
3248 | |
3249 | ch1 = coerce_to_upper (ch1); | |
3250 | ch2 = coerce_to_upper (ch2); | |
3251 | ||
3252 | if (ch1 != ch2) | |
f8b2ac1e | 3253 | return (ch1 - ch2); |
6599da04 JM |
3254 | } |
3255 | } | |
3256 | #endif /* !HAVE_STRCASECMP */ | |
3257 | ||
3258 | void | |
3259 | init_insertion_stack () | |
3260 | { | |
3261 | insertion_stack = (INSERTION_ELT *) NULL; | |
3262 | } | |
3263 | ||
3264 | /* Return the type of the current insertion. */ | |
3265 | enum insertion_type | |
3266 | current_insertion_type () | |
3267 | { | |
3268 | if (!insertion_level) | |
3269 | return (bad_type); | |
3270 | else | |
3271 | return (insertion_stack->insertion); | |
3272 | } | |
3273 | ||
3274 | /* Return a pointer to the string which is the function to wrap around | |
3275 | items. */ | |
3276 | char * | |
3277 | current_item_function () | |
3278 | { | |
3279 | register int level, done; | |
3280 | register INSERTION_ELT *elt; | |
3281 | ||
3282 | level = insertion_level; | |
3283 | elt = insertion_stack; | |
3284 | done = 0; | |
3285 | ||
3286 | /* Skip down through the stack until we find a non-conditional insertion. */ | |
3287 | while (!done && (elt != NULL)) | |
3288 | { | |
3289 | switch (elt->insertion) | |
f8b2ac1e JL |
3290 | { |
3291 | case ifinfo: | |
3292 | case ifnothtml: | |
3293 | case ifnottex: | |
3294 | case ifset: | |
3295 | case ifclear: | |
3296 | case cartouche: | |
3297 | elt = elt->next; | |
3298 | level--; | |
3299 | break; | |
3300 | ||
3301 | default: | |
3302 | done = 1; | |
3303 | } | |
6599da04 JM |
3304 | } |
3305 | ||
3306 | if (!level) | |
3307 | return ((char *) NULL); | |
3308 | else | |
3309 | return (elt->item_function); | |
3310 | } | |
3311 | ||
3312 | char * | |
3313 | get_item_function () | |
3314 | { | |
3315 | char *item_function; | |
3316 | get_rest_of_line (&item_function); | |
3317 | backup_input_pointer (); | |
6599da04 JM |
3318 | return (item_function); |
3319 | } | |
3320 | ||
3321 | /* Push the state of the current insertion on the stack. */ | |
3322 | void | |
3323 | push_insertion (type, item_function) | |
3324 | enum insertion_type type; | |
3325 | char *item_function; | |
3326 | { | |
3327 | INSERTION_ELT *new = (INSERTION_ELT *) xmalloc (sizeof (INSERTION_ELT)); | |
3328 | ||
3329 | new->item_function = item_function; | |
3330 | new->filling_enabled = filling_enabled; | |
3331 | new->indented_fill = indented_fill; | |
3332 | new->insertion = type; | |
3333 | new->line_number = line_number; | |
f8b2ac1e | 3334 | new->filename = xstrdup (input_filename); |
6599da04 JM |
3335 | new->inhibited = inhibit_paragraph_indentation; |
3336 | new->in_fixed_width_font = in_fixed_width_font; | |
3337 | new->next = insertion_stack; | |
3338 | insertion_stack = new; | |
3339 | insertion_level++; | |
3340 | } | |
3341 | ||
3342 | /* Pop the value on top of the insertion stack into the | |
3343 | global variables. */ | |
3344 | void | |
3345 | pop_insertion () | |
3346 | { | |
3347 | INSERTION_ELT *temp = insertion_stack; | |
3348 | ||
3349 | if (temp == (INSERTION_ELT *) NULL) | |
3350 | return; | |
3351 | ||
3352 | in_fixed_width_font = temp->in_fixed_width_font; | |
3353 | inhibit_paragraph_indentation = temp->inhibited; | |
3354 | filling_enabled = temp->filling_enabled; | |
3355 | indented_fill = temp->indented_fill; | |
3356 | free_and_clear (&(temp->item_function)); | |
3357 | free_and_clear (&(temp->filename)); | |
3358 | insertion_stack = insertion_stack->next; | |
3359 | free (temp); | |
3360 | insertion_level--; | |
3361 | } | |
3362 | ||
3363 | /* Return a pointer to the print name of this | |
3364 | enumerated type. */ | |
3365 | char * | |
3366 | insertion_type_pname (type) | |
3367 | enum insertion_type type; | |
3368 | { | |
3369 | if ((int) type < (int) bad_type) | |
3370 | return (insertion_type_names[(int) type]); | |
3371 | else | |
f8b2ac1e | 3372 | return (_("Broken-Type in insertion_type_pname")); |
6599da04 JM |
3373 | } |
3374 | ||
3375 | /* Return the insertion_type associated with NAME. | |
3376 | If the type is not one of the known ones, return BAD_TYPE. */ | |
3377 | enum insertion_type | |
3378 | find_type_from_name (name) | |
3379 | char *name; | |
3380 | { | |
3381 | int index = 0; | |
3382 | while (index < (int) bad_type) | |
3383 | { | |
3384 | if (strcmp (name, insertion_type_names[index]) == 0) | |
f8b2ac1e | 3385 | return (enum insertion_type) index; |
6599da04 JM |
3386 | index++; |
3387 | } | |
3388 | return (bad_type); | |
3389 | } | |
3390 | ||
3391 | int | |
3392 | defun_insertion (type) | |
3393 | enum insertion_type type; | |
3394 | { | |
3395 | return | |
3396 | ((type == deffn) | |
3397 | || (type == defun) | |
3398 | || (type == defmac) | |
3399 | || (type == defspec) | |
3400 | || (type == defvr) | |
3401 | || (type == defvar) | |
3402 | || (type == defopt) | |
3403 | || (type == deftypefn) | |
3404 | || (type == deftypefun) | |
3405 | || (type == deftypevr) | |
3406 | || (type == deftypevar) | |
3407 | || (type == defcv) | |
3408 | || (type == defivar) | |
3409 | || (type == defop) | |
3410 | || (type == defmethod) | |
3411 | || (type == deftypemethod) | |
3412 | || (type == deftp)); | |
3413 | } | |
3414 | ||
3415 | /* MAX_NS is the maximum nesting level for enumerations. I picked 100 | |
3416 | which seemed reasonable. This doesn't control the number of items, | |
3417 | just the number of nested lists. */ | |
3418 | #define max_stack_depth 100 | |
3419 | #define ENUM_DIGITS 1 | |
3420 | #define ENUM_ALPHA 2 | |
3421 | typedef struct { | |
3422 | int enumtype; | |
3423 | int enumval; | |
3424 | } DIGIT_ALPHA; | |
3425 | ||
3426 | DIGIT_ALPHA enumstack[max_stack_depth]; | |
3427 | int enumstack_offset = 0; | |
3428 | int current_enumval = 1; | |
3429 | int current_enumtype = ENUM_DIGITS; | |
3430 | char *enumeration_arg = (char *)NULL; | |
3431 | ||
3432 | void | |
3433 | start_enumerating (at, type) | |
3434 | int at, type; | |
3435 | { | |
3436 | if ((enumstack_offset + 1) == max_stack_depth) | |
3437 | { | |
f8b2ac1e | 3438 | line_error (_("Enumeration stack overflow")); |
6599da04 JM |
3439 | return; |
3440 | } | |
3441 | enumstack[enumstack_offset].enumtype = current_enumtype; | |
3442 | enumstack[enumstack_offset].enumval = current_enumval; | |
3443 | enumstack_offset++; | |
3444 | current_enumval = at; | |
3445 | current_enumtype = type; | |
3446 | } | |
3447 | ||
3448 | void | |
3449 | stop_enumerating () | |
3450 | { | |
3451 | --enumstack_offset; | |
3452 | if (enumstack_offset < 0) | |
3453 | enumstack_offset = 0; | |
3454 | ||
3455 | current_enumval = enumstack[enumstack_offset].enumval; | |
3456 | current_enumtype = enumstack[enumstack_offset].enumtype; | |
3457 | } | |
3458 | ||
3459 | /* Place a letter or digits into the output stream. */ | |
3460 | void | |
3461 | enumerate_item () | |
3462 | { | |
3463 | char temp[10]; | |
3464 | ||
3465 | if (current_enumtype == ENUM_ALPHA) | |
3466 | { | |
3467 | if (current_enumval == ('z' + 1) || current_enumval == ('Z' + 1)) | |
f8b2ac1e JL |
3468 | { |
3469 | current_enumval = ((current_enumval - 1) == 'z' ? 'a' : 'A'); | |
3470 | warning (_("lettering overflow, restarting at %c"), current_enumval); | |
3471 | } | |
6599da04 JM |
3472 | sprintf (temp, "%c. ", current_enumval); |
3473 | } | |
3474 | else | |
3475 | sprintf (temp, "%d. ", current_enumval); | |
3476 | ||
3477 | indent (output_column += (current_indent - strlen (temp))); | |
3478 | add_word (temp); | |
3479 | current_enumval++; | |
3480 | } | |
3481 | ||
3482 | /* This is where the work for all the "insertion" style | |
3483 | commands is done. A huge switch statement handles the | |
3484 | various setups, and generic code is on both sides. */ | |
3485 | void | |
3486 | begin_insertion (type) | |
3487 | enum insertion_type type; | |
3488 | { | |
3489 | int no_discard = 0; | |
3490 | ||
3491 | if (defun_insertion (type)) | |
3492 | { | |
f8b2ac1e | 3493 | push_insertion (type, xstrdup ("")); |
6599da04 JM |
3494 | no_discard++; |
3495 | } | |
3496 | else | |
3497 | push_insertion (type, get_item_function ()); | |
3498 | ||
3499 | switch (type) | |
3500 | { | |
3501 | case menu: | |
3502 | if (!no_headers) | |
f8b2ac1e | 3503 | close_paragraph (); |
6599da04 JM |
3504 | |
3505 | filling_enabled = no_indent = 0; | |
3506 | inhibit_paragraph_indentation = 1; | |
3507 | ||
3508 | if (!no_headers) | |
f8b2ac1e | 3509 | add_word (_("* Menu:\n")); |
6599da04 JM |
3510 | |
3511 | in_menu++; | |
3512 | no_discard++; | |
3513 | break; | |
3514 | ||
3515 | case detailmenu: | |
6599da04 | 3516 | if (!in_menu) |
f8b2ac1e JL |
3517 | { |
3518 | if (!no_headers) | |
3519 | close_paragraph (); | |
6599da04 | 3520 | |
f8b2ac1e JL |
3521 | filling_enabled = no_indent = 0; |
3522 | inhibit_paragraph_indentation = 1; | |
6599da04 | 3523 | |
f8b2ac1e JL |
3524 | no_discard++; |
3525 | } | |
6599da04 JM |
3526 | |
3527 | in_detailmenu++; | |
3528 | break; | |
3529 | ||
3530 | case direntry: | |
3531 | close_single_paragraph (); | |
3532 | filling_enabled = no_indent = 0; | |
3533 | inhibit_paragraph_indentation = 1; | |
3534 | insert_string ("START-INFO-DIR-ENTRY\n"); | |
3535 | break; | |
3536 | ||
3537 | /* I think @quotation is meant to do filling. | |
f8b2ac1e | 3538 | If you don't want filling, then use @display. */ |
6599da04 JM |
3539 | case quotation: |
3540 | close_single_paragraph (); | |
3541 | last_char_was_newline = no_indent = 0; | |
3542 | indented_fill = filling_enabled = 1; | |
3543 | inhibit_paragraph_indentation = 1; | |
3544 | current_indent += default_indentation_increment; | |
3545 | break; | |
3546 | ||
3547 | case display: | |
3548 | case example: | |
3549 | case smallexample: | |
3550 | case lisp: | |
3551 | case smalllisp: | |
3552 | /* Just like @example, but no indentation. */ | |
3553 | case format: | |
6599da04 JM |
3554 | close_single_paragraph (); |
3555 | inhibit_paragraph_indentation = 1; | |
3556 | in_fixed_width_font++; | |
3557 | filling_enabled = 0; | |
3558 | last_char_was_newline = 0; | |
6599da04 | 3559 | if (type != format) |
f8b2ac1e | 3560 | current_indent += default_indentation_increment; |
6599da04 JM |
3561 | break; |
3562 | ||
3563 | case multitable: | |
3564 | do_multitable (); | |
3565 | break; | |
3566 | ||
3567 | case table: | |
3568 | case ftable: | |
3569 | case vtable: | |
3570 | case itemize: | |
3571 | close_single_paragraph (); | |
3572 | current_indent += default_indentation_increment; | |
3573 | filling_enabled = indented_fill = 1; | |
3574 | #if defined (INDENT_PARAGRAPHS_IN_TABLE) | |
3575 | inhibit_paragraph_indentation = 0; | |
3576 | #else | |
3577 | inhibit_paragraph_indentation = 1; | |
3578 | #endif /* !INDENT_PARAGRAPHS_IN_TABLE */ | |
3579 | ||
3580 | /* Make things work for losers who forget the itemize syntax. */ | |
3581 | if (allow_lax_format && (type == itemize)) | |
f8b2ac1e JL |
3582 | { |
3583 | if (!(*insertion_stack->item_function)) | |
3584 | { | |
3585 | free (insertion_stack->item_function); | |
3586 | insertion_stack->item_function = xstrdup ("@bullet"); | |
3587 | insertion_stack->item_function[0] = COMMAND_PREFIX; | |
3588 | } | |
3589 | } | |
6599da04 JM |
3590 | |
3591 | if (!*insertion_stack->item_function) | |
f8b2ac1e JL |
3592 | { |
3593 | line_error (_("%s requires an argument: the formatter for %citem"), | |
3594 | insertion_type_pname (type), COMMAND_PREFIX); | |
3595 | } | |
6599da04 JM |
3596 | break; |
3597 | ||
3598 | case enumerate: | |
3599 | close_single_paragraph (); | |
3600 | no_indent = 0; | |
3601 | #if defined (INDENT_PARAGRAPHS_IN_TABLE) | |
3602 | inhibit_paragraph_indentation = 0; | |
3603 | #else | |
3604 | inhibit_paragraph_indentation = 1; | |
3605 | #endif /* !INDENT_PARAGRAPHS_IN_TABLE */ | |
3606 | ||
3607 | current_indent += default_indentation_increment; | |
3608 | filling_enabled = indented_fill = 1; | |
3609 | ||
3610 | if (isdigit (*enumeration_arg)) | |
f8b2ac1e | 3611 | start_enumerating (atoi (enumeration_arg), ENUM_DIGITS); |
6599da04 | 3612 | else |
f8b2ac1e | 3613 | start_enumerating (*enumeration_arg, ENUM_ALPHA); |
6599da04 JM |
3614 | break; |
3615 | ||
3616 | /* Does nothing special in makeinfo. */ | |
3617 | case group: | |
3618 | /* Only close the paragraph if we are not inside of an @example. */ | |
3619 | if (!insertion_stack->next || | |
f8b2ac1e JL |
3620 | insertion_stack->next->insertion != example) |
3621 | close_single_paragraph (); | |
6599da04 JM |
3622 | break; |
3623 | ||
3624 | /* Insertions that are no-ops in info, but do something in TeX. */ | |
3625 | case ifinfo: | |
f8b2ac1e JL |
3626 | case ifnothtml: |
3627 | case ifnottex: | |
6599da04 JM |
3628 | case ifset: |
3629 | case ifclear: | |
3630 | case cartouche: | |
3631 | if (in_menu) | |
f8b2ac1e | 3632 | no_discard++; |
6599da04 JM |
3633 | break; |
3634 | ||
3635 | case deffn: | |
3636 | case defun: | |
3637 | case defmac: | |
3638 | case defspec: | |
3639 | case defvr: | |
3640 | case defvar: | |
3641 | case defopt: | |
3642 | case deftypefn: | |
3643 | case deftypefun: | |
3644 | case deftypevr: | |
3645 | case deftypevar: | |
3646 | case defcv: | |
3647 | case defivar: | |
3648 | case defop: | |
3649 | case defmethod: | |
3650 | case deftypemethod: | |
3651 | case deftp: | |
3652 | inhibit_paragraph_indentation = 1; | |
3653 | filling_enabled = indented_fill = 1; | |
3654 | current_indent += default_indentation_increment; | |
3655 | no_indent = 0; | |
3656 | break; | |
3657 | ||
3658 | case flushleft: | |
3659 | close_single_paragraph (); | |
3660 | inhibit_paragraph_indentation = 1; | |
3661 | filling_enabled = indented_fill = no_indent = 0; | |
3662 | break; | |
3663 | ||
3664 | case flushright: | |
3665 | close_single_paragraph (); | |
3666 | filling_enabled = indented_fill = no_indent = 0; | |
3667 | inhibit_paragraph_indentation = 1; | |
3668 | force_flush_right++; | |
3669 | break; | |
3670 | } | |
3671 | ||
3672 | if (!no_discard) | |
3673 | discard_until ("\n"); | |
3674 | } | |
3675 | ||
f8b2ac1e JL |
3676 | /* Try to end the insertion with the specified TYPE. With a value of |
3677 | `bad_type', TYPE gets translated to match the value currently on top | |
3678 | of the stack. Otherwise, if TYPE doesn't match the top of the | |
3679 | insertion stack, give error. */ | |
6599da04 JM |
3680 | void |
3681 | end_insertion (type) | |
3682 | enum insertion_type type; | |
3683 | { | |
3684 | enum insertion_type temp_type; | |
3685 | ||
3686 | if (!insertion_level) | |
3687 | return; | |
3688 | ||
3689 | temp_type = current_insertion_type (); | |
3690 | ||
3691 | if (type == bad_type) | |
3692 | type = temp_type; | |
3693 | ||
3694 | if (type != temp_type) | |
3695 | { | |
3696 | line_error | |
f8b2ac1e JL |
3697 | (_("`%cend' expected `%s', but saw `%s'"), COMMAND_PREFIX, |
3698 | insertion_type_pname (temp_type), insertion_type_pname (type)); | |
6599da04 JM |
3699 | return; |
3700 | } | |
3701 | ||
3702 | pop_insertion (); | |
3703 | ||
3704 | switch (type) | |
3705 | { | |
3706 | /* Insertions which have no effect on paragraph formatting. */ | |
f8b2ac1e JL |
3707 | case ifnothtml: |
3708 | case ifnottex: | |
6599da04 JM |
3709 | case ifinfo: |
3710 | case ifset: | |
3711 | case ifclear: | |
3712 | break; | |
3713 | ||
3714 | case direntry: | |
3715 | insert_string ("END-INFO-DIR-ENTRY\n\n"); | |
3716 | close_insertion_paragraph (); | |
3717 | break; | |
3718 | ||
3719 | case detailmenu: | |
f8b2ac1e | 3720 | in_detailmenu--; /* No longer hacking menus. */ |
6599da04 | 3721 | if (!in_menu) |
f8b2ac1e JL |
3722 | { |
3723 | if (!no_headers) | |
3724 | close_insertion_paragraph (); | |
3725 | } | |
6599da04 JM |
3726 | break; |
3727 | ||
3728 | case menu: | |
f8b2ac1e | 3729 | in_menu--; /* No longer hacking menus. */ |
6599da04 | 3730 | if (!no_headers) |
f8b2ac1e | 3731 | close_insertion_paragraph (); |
6599da04 JM |
3732 | break; |
3733 | ||
3734 | case multitable: | |
3735 | end_multitable (); | |
3736 | break; | |
3737 | ||
3738 | case enumerate: | |
3739 | stop_enumerating (); | |
3740 | close_insertion_paragraph (); | |
3741 | current_indent -= default_indentation_increment; | |
3742 | break; | |
3743 | ||
3744 | case flushleft: | |
3745 | case group: | |
3746 | case cartouche: | |
3747 | close_insertion_paragraph (); | |
3748 | break; | |
3749 | ||
3750 | case format: | |
3751 | case display: | |
3752 | case example: | |
3753 | case smallexample: | |
3754 | case lisp: | |
3755 | case smalllisp: | |
3756 | case quotation: | |
6599da04 | 3757 | /* @format is the only fixed_width insertion without a change |
f8b2ac1e | 3758 | in indentation. */ |
6599da04 | 3759 | if (type != format) |
f8b2ac1e | 3760 | current_indent -= default_indentation_increment; |
6599da04 JM |
3761 | |
3762 | /* The ending of one of these insertions always marks the | |
f8b2ac1e | 3763 | start of a new paragraph. */ |
6599da04 JM |
3764 | close_insertion_paragraph (); |
3765 | break; | |
3766 | ||
3767 | case table: | |
3768 | case ftable: | |
3769 | case vtable: | |
3770 | case itemize: | |
3771 | current_indent -= default_indentation_increment; | |
3772 | break; | |
3773 | ||
3774 | case flushright: | |
3775 | force_flush_right--; | |
3776 | close_insertion_paragraph (); | |
3777 | break; | |
3778 | ||
3779 | /* Handle the @defun style insertions with a default clause. */ | |
3780 | default: | |
3781 | current_indent -= default_indentation_increment; | |
3782 | close_insertion_paragraph (); | |
3783 | break; | |
3784 | } | |
3785 | } | |
3786 | ||
3787 | /* Insertions cannot cross certain boundaries, such as node beginnings. In | |
f8b2ac1e | 3788 | code that creates such boundaries, you should call `discard_insertions' |
6599da04 | 3789 | before doing anything else. It prints the errors for you, and cleans up |
f8b2ac1e JL |
3790 | the insertion stack. With nonzero SPECIALS_OK, allows unmatched |
3791 | ifinfo, ifset, ifclear, otherwise not. */ | |
6599da04 | 3792 | void |
f8b2ac1e JL |
3793 | discard_insertions (specials_ok) |
3794 | int specials_ok; | |
6599da04 JM |
3795 | { |
3796 | int real_line_number = line_number; | |
3797 | while (insertion_stack) | |
3798 | { | |
f8b2ac1e JL |
3799 | if (specials_ok && (insertion_stack->insertion == ifinfo |
3800 | || insertion_stack->insertion == ifset | |
3801 | || insertion_stack->insertion == ifclear)) | |
3802 | break; | |
6599da04 | 3803 | else |
f8b2ac1e JL |
3804 | { |
3805 | char *offender = insertion_type_pname (insertion_stack->insertion); | |
3806 | char *current_filename = input_filename; | |
3807 | ||
3808 | input_filename = insertion_stack->filename; | |
3809 | line_number = insertion_stack->line_number; | |
3810 | line_error (_("No matching `%cend %s'"), COMMAND_PREFIX, offender); | |
3811 | input_filename = current_filename; | |
3812 | pop_insertion (); | |
3813 | } | |
6599da04 JM |
3814 | } |
3815 | line_number = real_line_number; | |
3816 | } | |
3817 | \f | |
3818 | /* The Texinfo commands. */ | |
3819 | ||
3820 | /* Commands which insert their own names. */ | |
3821 | void | |
3822 | insert_self (arg) | |
3823 | int arg; | |
3824 | { | |
3825 | if (arg == START) | |
3826 | add_word (command); | |
3827 | } | |
3828 | ||
3829 | void | |
3830 | insert_space (arg) | |
3831 | int arg; | |
3832 | { | |
3833 | if (arg == START) | |
3834 | add_char (' '); | |
3835 | } | |
3836 | ||
3837 | /* Force a line break in the output. */ | |
3838 | void | |
3839 | cm_asterisk () | |
3840 | { | |
3841 | close_single_paragraph (); | |
6599da04 | 3842 | cm_noindent (); |
6599da04 JM |
3843 | } |
3844 | ||
3845 | /* Insert ellipsis. */ | |
3846 | void | |
3847 | cm_dots (arg) | |
3848 | int arg; | |
3849 | { | |
3850 | if (arg == START) | |
3851 | add_word ("..."); | |
3852 | } | |
3853 | ||
3854 | /* Insert ellipsis for sentence end. */ | |
3855 | void | |
3856 | cm_enddots (arg) | |
3857 | int arg; | |
3858 | { | |
3859 | if (arg == START) | |
3860 | add_word ("...."); | |
3861 | } | |
3862 | ||
3863 | void | |
3864 | cm_bullet (arg) | |
3865 | int arg; | |
3866 | { | |
3867 | if (arg == START) | |
3868 | add_char ('*'); | |
3869 | } | |
3870 | ||
3871 | void | |
3872 | cm_minus (arg) | |
3873 | int arg; | |
3874 | { | |
3875 | if (arg == START) | |
3876 | add_char ('-'); | |
3877 | } | |
3878 | ||
3879 | /* Insert "TeX". */ | |
3880 | void | |
3881 | cm_TeX (arg) | |
3882 | int arg; | |
3883 | { | |
3884 | if (arg == START) | |
3885 | add_word ("TeX"); | |
3886 | } | |
3887 | ||
3888 | /* Copyright symbol. */ | |
3889 | void | |
3890 | cm_copyright (arg) | |
3891 | int arg; | |
3892 | { | |
3893 | if (arg == START) | |
3894 | add_word ("(C)"); | |
3895 | } | |
3896 | ||
3897 | /* Accent commands that take explicit arguments. */ | |
3898 | void | |
3899 | cm_accent (arg) | |
3900 | int arg; | |
3901 | { | |
3902 | if (arg == START) | |
3903 | { | |
3904 | if (strcmp (command, "dotaccent") == 0) /* overdot */ | |
3905 | add_char ('.'); | |
3906 | else if (strcmp (command, "H") == 0) /* Hungarian umlaut */ | |
3907 | add_word ("''"); | |
3908 | else if (strcmp (command, "ringaccent") == 0) | |
3909 | add_char ('*'); | |
3910 | else if (strcmp (command, "tieaccent") == 0) | |
3911 | add_char ('['); | |
3912 | else if (strcmp (command, "u") == 0) /* breve */ | |
3913 | add_char ('('); | |
3914 | else if (strcmp (command, "v") == 0) /* hacek/check */ | |
3915 | add_char ('<'); | |
3916 | } | |
3917 | else if (arg == END) | |
3918 | { | |
3919 | if (strcmp (command, "ubaraccent") == 0) /* underbar */ | |
3920 | add_char ('_'); | |
3921 | else if (strcmp (command, "udotaccent") == 0) /* underdot */ | |
3922 | add_word ("-."); | |
3923 | else if (strcmp (command, ",") == 0) /* cedilla */ | |
3924 | add_word (","); | |
3925 | } | |
3926 | } | |
3927 | ||
3928 | /* Non-English letters/characters that don't insert themselves. */ | |
3929 | void | |
3930 | cm_special_char (arg) | |
3931 | { | |
3932 | if (arg == START) | |
3933 | { | |
3934 | if ((*command == 'L' || *command == 'l' | |
3935 | || *command == 'O' || *command == 'o') | |
3936 | && command[1] == 0) | |
3937 | { | |
3938 | /* Lslash lslash Oslash oslash */ | |
3939 | add_char (*command); | |
3940 | add_char ('/'); | |
3941 | } | |
3942 | else if (strcmp (command, "exclamdown") == 0) | |
3943 | add_char ('!'); | |
3944 | else if (strcmp (command, "pounds") == 0) | |
3945 | add_char ('#'); | |
3946 | else if (strcmp (command, "questiondown") == 0) | |
3947 | add_char ('?'); | |
3948 | else | |
f8b2ac1e | 3949 | fprintf (stderr, _("How did @%s end up in cm_special_char?\n"), command); |
6599da04 JM |
3950 | } |
3951 | } | |
3952 | ||
3953 | /* Dotless i or j. */ | |
3954 | void | |
3955 | cm_dotless (arg, start, end) | |
3956 | int arg, start, end; | |
3957 | { | |
3958 | if (arg == END) | |
3959 | { | |
3960 | if (output_paragraph[start] != 'i' && output_paragraph[start] != 'j') | |
3961 | /* This error message isn't perfect if the argument is multiple | |
3962 | characters, but it doesn't seem worth getting right. */ | |
f8b2ac1e | 3963 | line_error (_("%c%s expects `i' or `j' as argument, not `%c'"), |
6599da04 JM |
3964 | COMMAND_PREFIX, command, output_paragraph[start]); |
3965 | ||
3966 | else if (end - start != 1) | |
f8b2ac1e JL |
3967 | line_error (_("%c%s expects a single character `i' or `j' as argument"), |
3968 | COMMAND_PREFIX, command); | |
6599da04 JM |
3969 | |
3970 | /* We've already inserted the `i' or `j', so nothing to do. */ | |
3971 | } | |
3972 | } | |
3973 | ||
6599da04 JM |
3974 | void |
3975 | cm_today (arg) | |
3976 | int arg; | |
3977 | { | |
f8b2ac1e JL |
3978 | static char *months [12] = |
3979 | { N_("January"), N_("February"), N_("March"), N_("April"), N_("May"), | |
3980 | N_("June"), N_("July"), N_("August"), N_("September"), N_("October"), | |
3981 | N_("November"), N_("December") }; | |
6599da04 JM |
3982 | if (arg == START) |
3983 | { | |
f8b2ac1e JL |
3984 | time_t timer = time (0); |
3985 | struct tm *ts = localtime (&timer); | |
d275726b | 3986 | add_word_args ("%d %s %d", ts->tm_mday, _(months[ts->tm_mon]), |
f8b2ac1e | 3987 | ts->tm_year + 1900); |
6599da04 JM |
3988 | } |
3989 | } | |
3990 | ||
3991 | void | |
3992 | cm_code (arg) | |
3993 | int arg; | |
3994 | { | |
3995 | extern int printing_index; | |
3996 | ||
3997 | if (arg == START) | |
3998 | { | |
3999 | in_fixed_width_font++; | |
4000 | ||
4001 | if (!printing_index) | |
f8b2ac1e | 4002 | add_char ('`'); |
6599da04 JM |
4003 | } |
4004 | else | |
4005 | { | |
4006 | if (!printing_index) | |
f8b2ac1e | 4007 | add_char ('\''); |
6599da04 JM |
4008 | } |
4009 | } | |
4010 | ||
4011 | void | |
4012 | cm_kbd (arg) | |
4013 | int arg; | |
4014 | { | |
4015 | /* People use @kbd in an example to get the "user input" font. | |
4016 | We don't want quotes in that case. */ | |
4017 | if (!in_fixed_width_font) | |
4018 | cm_code (arg); | |
4019 | } | |
4020 | ||
4021 | void | |
f8b2ac1e | 4022 | cm_key (arg) |
6599da04 JM |
4023 | int arg; |
4024 | { | |
4025 | add_char (arg == START ? '<' : '>'); | |
4026 | } | |
4027 | ||
4028 | /* Convert the character at position into a true control character. */ | |
4029 | void | |
4030 | cm_ctrl (arg, start, end) | |
4031 | int arg, start, end; | |
4032 | { | |
4033 | /* Should we allow multiple character arguments? I think yes. */ | |
4034 | if (arg == END) | |
4035 | { | |
4036 | register int i, character; | |
4037 | #if defined (NO_MULTIPLE_CTRL) | |
4038 | if ((end - start) != 1) | |
f8b2ac1e JL |
4039 | line_error (_("%c%s expects a single character as an argument"), |
4040 | COMMAND_PREFIX, command); | |
6599da04 JM |
4041 | else |
4042 | #endif | |
f8b2ac1e JL |
4043 | for (i = start; i < end; i++) |
4044 | { | |
4045 | character = output_paragraph[i]; | |
6599da04 | 4046 | |
f8b2ac1e JL |
4047 | if (isletter (character)) |
4048 | output_paragraph[i] = CTL (coerce_to_upper (character)); | |
4049 | } | |
6599da04 JM |
4050 | } |
4051 | } | |
4052 | ||
4053 | /* Handle a command that switches to a non-fixed-width font. */ | |
4054 | void | |
4055 | not_fixed_width (arg) | |
4056 | int arg; | |
4057 | { | |
4058 | if (arg == START) | |
4059 | in_fixed_width_font = 0; | |
4060 | } | |
4061 | ||
f8b2ac1e | 4062 | /* Small caps and @var in makeinfo just uppercase the text. */ |
6599da04 | 4063 | void |
f8b2ac1e | 4064 | cm_var_sc (arg, start_pos, end_pos) |
6599da04 JM |
4065 | int arg, start_pos, end_pos; |
4066 | { | |
4067 | not_fixed_width (arg); | |
4068 | ||
4069 | if (arg == END) | |
4070 | { | |
4071 | while (start_pos < end_pos) | |
f8b2ac1e JL |
4072 | { |
4073 | output_paragraph[start_pos] = | |
4074 | coerce_to_upper (output_paragraph[start_pos]); | |
4075 | start_pos++; | |
4076 | } | |
6599da04 JM |
4077 | } |
4078 | } | |
4079 | ||
4080 | void | |
4081 | cm_dfn (arg, position) | |
4082 | int arg, position; | |
4083 | { | |
4084 | add_char ('"'); | |
4085 | } | |
4086 | ||
4087 | void | |
4088 | cm_emph (arg) | |
4089 | int arg; | |
4090 | { | |
4091 | add_char ('*'); | |
4092 | } | |
4093 | ||
4094 | void | |
4095 | cm_strong (arg, position) | |
4096 | int arg, position; | |
4097 | { | |
4098 | cm_emph (arg); | |
4099 | } | |
4100 | ||
4101 | void | |
4102 | cm_cite (arg, position) | |
4103 | int arg, position; | |
4104 | { | |
4105 | if (arg == START) | |
4106 | add_word ("`"); | |
4107 | else | |
4108 | add_word ("'"); | |
4109 | } | |
4110 | ||
4111 | /* No highlighting, but argument switches fonts. */ | |
4112 | void | |
4113 | cm_not_fixed_width (arg, start, end) | |
4114 | int arg, start, end; | |
4115 | { | |
4116 | not_fixed_width (arg); | |
4117 | } | |
4118 | ||
f8b2ac1e | 4119 | /* Various commands are no-op's. */ |
6599da04 JM |
4120 | void |
4121 | cm_no_op () | |
4122 | { | |
4123 | } | |
4124 | ||
f8b2ac1e JL |
4125 | /* No-op that eats its argument on same line. */ |
4126 | void | |
4127 | cm_no_op_line_arg () | |
4128 | { | |
4129 | char *temp; | |
4130 | get_rest_of_line (&temp); | |
4131 | free (temp); | |
4132 | } | |
4133 | ||
6599da04 JM |
4134 | /* Prevent the argument from being split across two lines. */ |
4135 | void | |
4136 | cm_w (arg, start, end) | |
4137 | int arg, start, end; | |
4138 | { | |
4139 | if (arg == START) | |
4140 | non_splitting_words++; | |
4141 | else | |
4142 | non_splitting_words--; | |
4143 | } | |
4144 | ||
4145 | ||
4146 | /* Explain that this command is obsolete, thus the user shouldn't | |
4147 | do anything with it. */ | |
4148 | void | |
4149 | cm_obsolete (arg, start, end) | |
4150 | int arg, start, end; | |
4151 | { | |
4152 | if (arg == START) | |
f8b2ac1e | 4153 | warning (_("%c%s is obsolete"), COMMAND_PREFIX, command); |
6599da04 JM |
4154 | } |
4155 | ||
4156 | /* Insert the text following input_text_offset up to the end of the line | |
4157 | in a new, separate paragraph. Directly underneath it, insert a | |
4158 | line of WITH_CHAR, the same length of the inserted text. */ | |
4159 | void | |
4160 | insert_and_underscore (with_char) | |
4161 | int with_char; | |
4162 | { | |
4163 | register int i, len; | |
4164 | int old_no_indent, starting_pos, ending_pos; | |
4165 | char *temp; | |
4166 | ||
4167 | close_paragraph (); | |
4168 | filling_enabled = indented_fill = 0; | |
4169 | old_no_indent = no_indent; | |
4170 | no_indent = 1; | |
4171 | ||
4172 | #if defined (HAVE_MACROS) | |
d275726b | 4173 | if (macro_expansion_output_stream && !executing_string) |
6599da04 JM |
4174 | append_to_expansion_output (input_text_offset + 1); |
4175 | #endif /* HAVE_MACROS */ | |
4176 | ||
4177 | get_rest_of_line (&temp); | |
4178 | ||
4179 | starting_pos = output_position + output_paragraph_offset; | |
4180 | #if defined (HAVE_MACROS) | |
d275726b | 4181 | if (macro_expansion_output_stream && !executing_string) |
6599da04 | 4182 | { |
f8b2ac1e | 4183 | char *temp1 = (char *) xmalloc (2 + strlen (temp)); |
6599da04 JM |
4184 | sprintf (temp1, "%s\n", temp); |
4185 | remember_itext (input_text, input_text_offset); | |
4186 | me_execute_string (temp1); | |
4187 | free (temp1); | |
4188 | } | |
4189 | else | |
4190 | #endif /* HAVE_MACROS */ | |
f8b2ac1e | 4191 | execute_string ("%s\n", temp); |
6599da04 JM |
4192 | |
4193 | ending_pos = output_position + output_paragraph_offset; | |
4194 | free (temp); | |
4195 | ||
4196 | len = (ending_pos - starting_pos) - 1; | |
4197 | for (i = 0; i < len; i++) | |
4198 | add_char (with_char); | |
4199 | insert ('\n'); | |
4200 | close_paragraph (); | |
4201 | filling_enabled = 1; | |
4202 | no_indent = old_no_indent; | |
4203 | } | |
4204 | ||
4205 | /* Here is a structure which associates sectioning commands with | |
4206 | an integer, hopefully to reflect the `depth' of the current | |
4207 | section. */ | |
4208 | struct { | |
4209 | char *name; | |
4210 | int level; | |
4211 | } section_alist[] = { | |
4212 | { "unnumberedsubsubsec", 5 }, | |
4213 | { "unnumberedsubsec", 4 }, | |
4214 | { "unnumberedsec", 3 }, | |
4215 | { "unnumbered", 2 }, | |
4216 | { "appendixsubsubsec", 5 }, | |
4217 | { "appendixsubsec", 4 }, | |
4218 | { "appendixsec", 3 }, | |
4219 | { "appendixsection", 3 }, | |
4220 | { "appendix", 2 }, | |
4221 | { "subsubsec", 5 }, | |
4222 | { "subsubsection", 5 }, | |
4223 | { "subsection", 4 }, | |
4224 | { "section", 3 }, | |
4225 | { "chapter", 2 }, | |
4226 | { "top", 1 }, | |
4227 | ||
4228 | { (char *)NULL, 0 } | |
4229 | }; | |
4230 | ||
4231 | /* Amount to offset the name of sectioning commands to levels by. */ | |
4232 | int section_alist_offset = 0; | |
4233 | ||
4234 | /* Shift the meaning of @section to @chapter. */ | |
4235 | void | |
4236 | cm_raisesections () | |
4237 | { | |
4238 | discard_until ("\n"); | |
4239 | section_alist_offset--; | |
4240 | } | |
4241 | ||
4242 | /* Shift the meaning of @chapter to @section. */ | |
4243 | void | |
4244 | cm_lowersections () | |
4245 | { | |
4246 | discard_until ("\n"); | |
4247 | section_alist_offset++; | |
4248 | } | |
4249 | ||
4250 | /* Return an integer which identifies the type section present in TEXT. */ | |
4251 | int | |
4252 | what_section (text) | |
4253 | char *text; | |
4254 | { | |
4255 | register int i, j; | |
4256 | char *t; | |
4257 | ||
4258 | find_section_command: | |
4259 | for (j = 0; text[j] && cr_or_whitespace (text[j]); j++); | |
4260 | if (text[j] != COMMAND_PREFIX) | |
4261 | return (-1); | |
4262 | ||
4263 | text = text + j + 1; | |
4264 | ||
4265 | /* We skip @c, @comment, and @?index commands. */ | |
4266 | if ((strncmp (text, "comment", strlen ("comment")) == 0) || | |
4267 | (text[0] == 'c' && cr_or_whitespace (text[1])) || | |
4268 | (strcmp (text + 1, "index") == 0)) | |
4269 | { | |
4270 | while (*text++ != '\n'); | |
4271 | goto find_section_command; | |
4272 | } | |
4273 | ||
4274 | /* Handle italicized sectioning commands. */ | |
4275 | if (*text == 'i') | |
4276 | text++; | |
4277 | ||
4278 | for (j = 0; text[j] && !cr_or_whitespace (text[j]); j++); | |
4279 | ||
f8b2ac1e | 4280 | for (i = 0; (t = section_alist[i].name); i++) |
6599da04 JM |
4281 | { |
4282 | if (j == strlen (t) && strncmp (t, text, j) == 0) | |
f8b2ac1e JL |
4283 | { |
4284 | int return_val; | |
6599da04 | 4285 | |
f8b2ac1e | 4286 | return_val = (section_alist[i].level + section_alist_offset); |
6599da04 | 4287 | |
f8b2ac1e JL |
4288 | if (return_val < 0) |
4289 | return_val = 0; | |
4290 | else if (return_val > 5) | |
4291 | return_val = 5; | |
4292 | return (return_val); | |
4293 | } | |
6599da04 JM |
4294 | } |
4295 | return (-1); | |
4296 | } | |
4297 | ||
4298 | /* Set the level of @top to LEVEL. Return the old level of @top. */ | |
4299 | int | |
4300 | set_top_section_level (level) | |
4301 | int level; | |
4302 | { | |
4303 | register int i, result = -1; | |
4304 | ||
4305 | for (i = 0; section_alist[i].name; i++) | |
4306 | if (strcmp (section_alist[i].name, "top") == 0) | |
4307 | { | |
f8b2ac1e JL |
4308 | result = section_alist[i].level; |
4309 | section_alist[i].level = level; | |
4310 | break; | |
6599da04 JM |
4311 | } |
4312 | return (result); | |
4313 | } | |
4314 | ||
4315 | /* Treat this just like @unnumbered. The only difference is | |
4316 | in node defaulting. */ | |
4317 | void | |
4318 | cm_top () | |
4319 | { | |
4320 | /* It is an error to have more than one @top. */ | |
4321 | if (top_node_seen) | |
4322 | { | |
4323 | TAG_ENTRY *tag = tag_table; | |
4324 | ||
d275726b | 4325 | line_error (_("Node with %ctop as a section already exists"), |
f8b2ac1e | 4326 | COMMAND_PREFIX); |
6599da04 JM |
4327 | |
4328 | while (tag != (TAG_ENTRY *)NULL) | |
f8b2ac1e JL |
4329 | { |
4330 | if ((tag->flags & IS_TOP)) | |
4331 | { | |
4332 | int old_line_number = line_number; | |
4333 | char *old_input_filename = input_filename; | |
4334 | ||
4335 | line_number = tag->line_no; | |
4336 | input_filename = tag->filename; | |
4337 | line_error (_("Here is the %ctop node"), COMMAND_PREFIX); | |
4338 | input_filename = old_input_filename; | |
4339 | line_number = old_line_number; | |
4340 | return; | |
4341 | } | |
4342 | tag = tag->next_ent; | |
4343 | } | |
6599da04 JM |
4344 | } |
4345 | else | |
4346 | { | |
4347 | top_node_seen = 1; | |
4348 | ||
4349 | /* It is an error to use @top before you have used @node. */ | |
4350 | if (!tag_table) | |
f8b2ac1e JL |
4351 | { |
4352 | char *top_name; | |
4353 | ||
4354 | get_rest_of_line (&top_name); | |
4355 | free (top_name); | |
4356 | line_error (_("%ctop used before %cnode, defaulting to %s"), | |
4357 | COMMAND_PREFIX, COMMAND_PREFIX, top_name); | |
4358 | execute_string ("@node Top, , (dir), (dir)\n@top %s\n", top_name); | |
4359 | return; | |
4360 | } | |
6599da04 JM |
4361 | |
4362 | cm_unnumbered (); | |
4363 | ||
4364 | /* The most recently defined node is the top node. */ | |
4365 | tag_table->flags |= IS_TOP; | |
4366 | ||
4367 | /* Now set the logical hierarchical level of the Top node. */ | |
4368 | { | |
f8b2ac1e | 4369 | int orig_offset = input_text_offset; |
6599da04 | 4370 | |
f8b2ac1e | 4371 | input_text_offset = search_forward (node_search_string, orig_offset); |
6599da04 | 4372 | |
f8b2ac1e JL |
4373 | if (input_text_offset > 0) |
4374 | { | |
4375 | int this_section; | |
6599da04 | 4376 | |
f8b2ac1e JL |
4377 | /* We have encountered a non-top node, so mark that one exists. */ |
4378 | non_top_node_seen = 1; | |
6599da04 | 4379 | |
f8b2ac1e JL |
4380 | /* Move to the end of this line, and find out what the |
4381 | sectioning command is here. */ | |
4382 | while (input_text[input_text_offset] != '\n') | |
4383 | input_text_offset++; | |
6599da04 | 4384 | |
f8b2ac1e JL |
4385 | if (input_text_offset < size_of_input_text) |
4386 | input_text_offset++; | |
6599da04 | 4387 | |
f8b2ac1e | 4388 | this_section = what_section (input_text + input_text_offset); |
6599da04 | 4389 | |
f8b2ac1e JL |
4390 | /* If we found a sectioning command, then give the top section |
4391 | a level of this section - 1. */ | |
4392 | if (this_section != -1) | |
4393 | set_top_section_level (this_section - 1); | |
4394 | } | |
4395 | input_text_offset = orig_offset; | |
6599da04 JM |
4396 | } |
4397 | } | |
4398 | } | |
4399 | ||
4400 | /* Organized by level commands. That is, "*" == chapter, "=" == section. */ | |
4401 | char *scoring_characters = "*=-."; | |
4402 | ||
4403 | void | |
4404 | sectioning_underscore (command) | |
4405 | char *command; | |
4406 | { | |
4407 | char character; | |
4408 | char *temp; | |
4409 | int level; | |
4410 | ||
4411 | temp = (char *)xmalloc (2 + strlen (command)); | |
4412 | temp[0] = COMMAND_PREFIX; | |
4413 | strcpy (&temp[1], command); | |
4414 | level = what_section (temp); | |
4415 | free (temp); | |
4416 | level -= 2; | |
4417 | ||
4418 | if (level < 0) | |
4419 | level = 0; | |
4420 | ||
4421 | character = scoring_characters[level]; | |
4422 | ||
4423 | insert_and_underscore (character); | |
4424 | } | |
4425 | ||
4426 | /* The command still works, but prints a warning message in addition. */ | |
4427 | void | |
4428 | cm_ideprecated (arg, start, end) | |
4429 | int arg, start, end; | |
4430 | { | |
f8b2ac1e JL |
4431 | warning (_("%c%s is obsolete; use %c%s instead"), |
4432 | COMMAND_PREFIX, command, COMMAND_PREFIX, command + 1); | |
6599da04 JM |
4433 | sectioning_underscore (command + 1); |
4434 | } | |
4435 | ||
4436 | /* The remainder of the text on this line is a chapter heading. */ | |
4437 | void | |
4438 | cm_chapter () | |
4439 | { | |
4440 | sectioning_underscore ("chapter"); | |
4441 | } | |
4442 | ||
4443 | /* The remainder of the text on this line is a section heading. */ | |
4444 | void | |
4445 | cm_section () | |
4446 | { | |
4447 | sectioning_underscore ("section"); | |
4448 | } | |
4449 | ||
4450 | /* The remainder of the text on this line is a subsection heading. */ | |
4451 | void | |
4452 | cm_subsection () | |
4453 | { | |
4454 | sectioning_underscore ("subsection"); | |
4455 | } | |
4456 | ||
4457 | /* The remainder of the text on this line is a subsubsection heading. */ | |
4458 | void | |
4459 | cm_subsubsection () | |
4460 | { | |
4461 | sectioning_underscore ("subsubsection"); | |
4462 | } | |
4463 | ||
4464 | /* The remainder of the text on this line is an unnumbered heading. */ | |
4465 | void | |
4466 | cm_unnumbered () | |
4467 | { | |
4468 | cm_chapter (); | |
4469 | } | |
4470 | ||
4471 | /* The remainder of the text on this line is an unnumbered section heading. */ | |
4472 | void | |
4473 | cm_unnumberedsec () | |
4474 | { | |
4475 | cm_section (); | |
4476 | } | |
4477 | ||
4478 | /* The remainder of the text on this line is an unnumbered | |
4479 | subsection heading. */ | |
4480 | void | |
4481 | cm_unnumberedsubsec () | |
4482 | { | |
4483 | cm_subsection (); | |
4484 | } | |
4485 | ||
4486 | /* The remainder of the text on this line is an unnumbered | |
4487 | subsubsection heading. */ | |
4488 | void | |
4489 | cm_unnumberedsubsubsec () | |
4490 | { | |
4491 | cm_subsubsection (); | |
4492 | } | |
4493 | ||
4494 | /* The remainder of the text on this line is an appendix heading. */ | |
4495 | void | |
4496 | cm_appendix () | |
4497 | { | |
4498 | cm_chapter (); | |
4499 | } | |
4500 | ||
4501 | /* The remainder of the text on this line is an appendix section heading. */ | |
4502 | void | |
4503 | cm_appendixsec () | |
4504 | { | |
4505 | cm_section (); | |
4506 | } | |
4507 | ||
4508 | /* The remainder of the text on this line is an appendix subsection heading. */ | |
4509 | void | |
4510 | cm_appendixsubsec () | |
4511 | { | |
4512 | cm_subsection (); | |
4513 | } | |
4514 | ||
4515 | /* The remainder of the text on this line is an appendix | |
4516 | subsubsection heading. */ | |
4517 | void | |
4518 | cm_appendixsubsubsec () | |
4519 | { | |
4520 | cm_subsubsection (); | |
4521 | } | |
4522 | ||
4523 | /* Compatibility functions substitute for chapter, section, etc. */ | |
4524 | void | |
4525 | cm_majorheading () | |
4526 | { | |
4527 | cm_chapheading (); | |
4528 | } | |
4529 | ||
4530 | void | |
4531 | cm_chapheading () | |
4532 | { | |
4533 | cm_chapter (); | |
4534 | } | |
4535 | ||
4536 | void | |
4537 | cm_heading () | |
4538 | { | |
4539 | cm_section (); | |
4540 | } | |
4541 | ||
4542 | void | |
4543 | cm_subheading () | |
4544 | { | |
4545 | cm_subsection (); | |
4546 | } | |
4547 | ||
4548 | void | |
4549 | cm_subsubheading () | |
4550 | { | |
4551 | cm_subsubsection (); | |
4552 | } | |
4553 | \f | |
4554 | /* **************************************************************** */ | |
f8b2ac1e JL |
4555 | /* */ |
4556 | /* Adding nodes, and making tags */ | |
4557 | /* */ | |
6599da04 JM |
4558 | /* **************************************************************** */ |
4559 | ||
4560 | /* Start a new tag table. */ | |
4561 | void | |
4562 | init_tag_table () | |
4563 | { | |
4564 | while (tag_table != (TAG_ENTRY *) NULL) | |
4565 | { | |
4566 | TAG_ENTRY *temp = tag_table; | |
4567 | free (temp->node); | |
4568 | free (temp->prev); | |
4569 | free (temp->next); | |
4570 | free (temp->up); | |
4571 | tag_table = tag_table->next_ent; | |
4572 | free (temp); | |
4573 | } | |
4574 | } | |
4575 | ||
4576 | void | |
4577 | write_tag_table () | |
4578 | { | |
f8b2ac1e | 4579 | write_tag_table_internal (0); /* Not indirect. */ |
6599da04 JM |
4580 | } |
4581 | ||
4582 | void | |
4583 | write_tag_table_indirect () | |
4584 | { | |
4585 | write_tag_table_internal (1); | |
4586 | } | |
4587 | ||
4588 | /* Write out the contents of the existing tag table. | |
4589 | INDIRECT_P says how to format the output. */ | |
4590 | void | |
4591 | write_tag_table_internal (indirect_p) | |
4592 | int indirect_p; | |
4593 | { | |
4594 | TAG_ENTRY *node = tag_table; | |
4595 | int old_indent = no_indent; | |
4596 | ||
4597 | no_indent = 1; | |
4598 | filling_enabled = 0; | |
4599 | must_start_paragraph = 0; | |
4600 | close_paragraph (); | |
4601 | ||
4602 | if (!indirect_p) | |
4603 | { | |
4604 | no_indent = 1; | |
4605 | insert ('\n'); | |
4606 | } | |
4607 | ||
4608 | add_word_args ("\037\nTag Table:\n%s", indirect_p ? "(Indirect)\n" : ""); | |
4609 | ||
4610 | while (node != (TAG_ENTRY *) NULL) | |
4611 | { | |
4612 | execute_string ("Node: %s", node->node); | |
4613 | add_word_args ("\177%d\n", node->position); | |
4614 | node = node->next_ent; | |
4615 | } | |
4616 | ||
4617 | add_word ("\037\nEnd Tag Table\n"); | |
4618 | flush_output (); | |
4619 | no_indent = old_indent; | |
4620 | } | |
4621 | ||
4622 | char * | |
f8b2ac1e JL |
4623 | get_node_token (expand) |
4624 | int expand; | |
6599da04 JM |
4625 | { |
4626 | char *string; | |
4627 | ||
f8b2ac1e | 4628 | get_until_in_line (expand, ",", &string); |
6599da04 JM |
4629 | |
4630 | if (curchar () == ',') | |
4631 | input_text_offset++; | |
4632 | ||
4633 | canon_white (string); | |
4634 | ||
4635 | /* Force all versions of "top" to be "Top". */ | |
4636 | normalize_node_name (string); | |
4637 | ||
4638 | return (string); | |
4639 | } | |
4640 | ||
4641 | /* Convert "top" and friends into "Top". */ | |
4642 | void | |
4643 | normalize_node_name (string) | |
4644 | char *string; | |
4645 | { | |
4646 | if (strcasecmp (string, "Top") == 0) | |
4647 | strcpy (string, "Top"); | |
4648 | } | |
4649 | ||
4650 | /* Look up NAME in the tag table, and return the associated | |
4651 | tag_entry. If the node is not in the table return NULL. */ | |
4652 | TAG_ENTRY * | |
4653 | find_node (name) | |
4654 | char *name; | |
4655 | { | |
4656 | TAG_ENTRY *tag = tag_table; | |
4657 | ||
4658 | while (tag != (TAG_ENTRY *) NULL) | |
4659 | { | |
4660 | if (strcmp (tag->node, name) == 0) | |
f8b2ac1e | 4661 | return (tag); |
6599da04 JM |
4662 | tag = tag->next_ent; |
4663 | } | |
4664 | return ((TAG_ENTRY *) NULL); | |
4665 | } | |
4666 | ||
4667 | /* Remember NODE and associates. */ | |
4668 | void | |
4669 | remember_node (node, prev, next, up, position, line_no, no_warn) | |
4670 | char *node, *prev, *next, *up; | |
4671 | int position, line_no, no_warn; | |
4672 | { | |
4673 | /* Check for existence of this tag already. */ | |
4674 | if (validating) | |
4675 | { | |
4676 | register TAG_ENTRY *tag = find_node (node); | |
4677 | if (tag) | |
f8b2ac1e JL |
4678 | { |
4679 | line_error ( | |
4680 | _("Node `%s' multiply defined (line %d is first definition at)"), | |
4681 | node, tag->line_no); | |
4682 | return; | |
4683 | } | |
6599da04 JM |
4684 | } |
4685 | ||
4686 | /* First, make this the current node. */ | |
4687 | current_node = node; | |
4688 | ||
4689 | /* Now add it to the list. */ | |
4690 | { | |
4691 | TAG_ENTRY *new = (TAG_ENTRY *) xmalloc (sizeof (TAG_ENTRY)); | |
4692 | new->node = node; | |
4693 | new->prev = prev; | |
4694 | new->next = next; | |
4695 | new->up = up; | |
4696 | new->position = position; | |
4697 | new->line_no = line_no; | |
4698 | new->filename = node_filename; | |
f8b2ac1e | 4699 | new->touched = 0; /* not yet referenced. */ |
6599da04 JM |
4700 | new->flags = 0; |
4701 | if (no_warn) | |
4702 | new->flags |= NO_WARN; | |
4703 | new->next_ent = tag_table; | |
4704 | tag_table = new; | |
4705 | } | |
4706 | } | |
4707 | ||
4708 | /* The order is: nodename, nextnode, prevnode, upnode. | |
4709 | If all of the NEXT, PREV, and UP fields are empty, they are defaulted. | |
4710 | You must follow a node command which has those fields defaulted | |
4711 | with a sectioning command (e.g. @chapter) giving the "level" of that node. | |
4712 | It is an error not to do so. | |
4713 | The defaults come from the menu in this node's parent. */ | |
4714 | void | |
4715 | cm_node () | |
4716 | { | |
4717 | char *node, *prev, *next, *up; | |
4718 | int new_node_pos, defaulting, this_section, no_warn = 0; | |
4719 | extern int already_outputting_pending_notes; | |
4720 | ||
4721 | if (strcmp (command, "nwnode") == 0) | |
4722 | no_warn = 1; | |
4723 | ||
4724 | /* Get rid of unmatched brace arguments from previous commands. */ | |
4725 | discard_braces (); | |
4726 | ||
4727 | /* There also might be insertions left lying around that haven't been | |
4728 | ended yet. Do that also. */ | |
f8b2ac1e | 4729 | discard_insertions (1); |
6599da04 JM |
4730 | |
4731 | if (!already_outputting_pending_notes) | |
4732 | { | |
4733 | close_paragraph (); | |
4734 | output_pending_notes (); | |
4735 | free_pending_notes (); | |
4736 | } | |
4737 | ||
4738 | filling_enabled = indented_fill = 0; | |
4739 | new_node_pos = output_position; | |
4740 | current_footnote_number = 1; | |
4741 | ||
4742 | #if defined (HAVE_MACROS) | |
d275726b | 4743 | if (macro_expansion_output_stream && !executing_string) |
6599da04 JM |
4744 | append_to_expansion_output (input_text_offset + 1); |
4745 | #endif /* HAVE_MACROS */ | |
4746 | ||
f8b2ac1e JL |
4747 | node = get_node_token (1); |
4748 | next = get_node_token (0); | |
4749 | prev = get_node_token (0); | |
4750 | up = get_node_token (0); | |
6599da04 | 4751 | |
f8b2ac1e JL |
4752 | if (verbose_mode) |
4753 | printf (_("Formatting node %s...\n"), node); | |
4754 | ||
6599da04 | 4755 | #if defined (HAVE_MACROS) |
d275726b | 4756 | if (macro_expansion_output_stream && !executing_string) |
6599da04 JM |
4757 | remember_itext (input_text, input_text_offset); |
4758 | #endif /* HAVE_MACROS */ | |
4759 | ||
4760 | no_indent = 1; | |
4761 | if (!no_headers) | |
4762 | { | |
4763 | add_word_args ("\037\nFile: %s, Node: ", pretty_output_filename); | |
4764 | ||
4765 | #if defined (HAVE_MACROS) | |
d275726b | 4766 | if (macro_expansion_output_stream && !executing_string) |
f8b2ac1e | 4767 | me_execute_string (node); |
6599da04 JM |
4768 | else |
4769 | #endif /* HAVE_MACROS */ | |
f8b2ac1e | 4770 | execute_string ("%s", node); |
6599da04 JM |
4771 | filling_enabled = indented_fill = 0; |
4772 | } | |
4773 | ||
4774 | /* Check for defaulting of this node's next, prev, and up fields. */ | |
f8b2ac1e | 4775 | defaulting = (*next == 0 && *prev == 0 && *up == 0); |
6599da04 JM |
4776 | |
4777 | this_section = what_section (input_text + input_text_offset); | |
4778 | ||
4779 | /* If we are defaulting, then look at the immediately following | |
4780 | sectioning command (error if none) to determine the node's | |
4781 | level. Find the node that contains the menu mentioning this node | |
4782 | that is one level up (error if not found). That node is the "Up" | |
4783 | of this node. Default the "Next" and "Prev" from the menu. */ | |
4784 | if (defaulting) | |
4785 | { | |
4786 | NODE_REF *last_ref = (NODE_REF *)NULL; | |
4787 | NODE_REF *ref = node_references; | |
4788 | ||
4789 | if ((this_section < 0) && (strcmp (node, "Top") != 0)) | |
f8b2ac1e JL |
4790 | { |
4791 | char *polite_section_name = "top"; | |
4792 | int i; | |
4793 | ||
4794 | for (i = 0; section_alist[i].name; i++) | |
4795 | if (section_alist[i].level == current_section + 1) | |
4796 | { | |
4797 | polite_section_name = section_alist[i].name; | |
4798 | break; | |
4799 | } | |
4800 | ||
4801 | line_error | |
4802 | (_("Node `%s' requires a sectioning command (e.g. %c%s)"), | |
4803 | node, COMMAND_PREFIX, polite_section_name); | |
4804 | } | |
6599da04 | 4805 | else |
f8b2ac1e JL |
4806 | { |
4807 | if (strcmp (node, "Top") == 0) | |
4808 | { | |
4809 | /* Default the NEXT pointer to be the first menu item in | |
4810 | this node, if there is a menu in this node. We have to | |
4811 | try very hard to find the menu, as it may be obscured | |
4812 | by execution_strings which are on the filestack. For | |
4813 | every member of the filestack which has a FILENAME | |
4814 | member which is identical to the current INPUT_FILENAME, | |
4815 | search forward from that offset. */ | |
4816 | int saved_input_text_offset = input_text_offset; | |
4817 | int saved_size_of_input_text = size_of_input_text; | |
4818 | char *saved_input_text = input_text; | |
4819 | FSTACK *next_file = filestack; | |
4820 | ||
4821 | int orig_offset, orig_size; | |
4822 | char *glean_node_from_menu (); | |
4823 | ||
4824 | /* No matter what, make this file point back at `(dir)'. */ | |
4825 | free (up); up = xstrdup ("(dir)"); | |
4826 | ||
4827 | while (1) | |
4828 | { | |
4829 | orig_offset = input_text_offset; | |
4830 | orig_size = | |
4831 | search_forward (node_search_string, orig_offset); | |
4832 | ||
4833 | if (orig_size < 0) | |
4834 | orig_size = size_of_input_text; | |
4835 | ||
4836 | input_text_offset = | |
4837 | search_forward (menu_search_string, orig_offset); | |
4838 | ||
4839 | if (input_text_offset > -1) | |
4840 | { | |
4841 | char *nodename_from_menu = (char *)NULL; | |
4842 | ||
4843 | input_text_offset = | |
4844 | search_forward ("\n* ", input_text_offset); | |
4845 | ||
4846 | if (input_text_offset != -1) | |
4847 | nodename_from_menu = glean_node_from_menu (0); | |
4848 | ||
4849 | if (nodename_from_menu) | |
4850 | { | |
4851 | free (next); next = nodename_from_menu; | |
4852 | break; | |
4853 | } | |
4854 | } | |
4855 | ||
4856 | /* We got here, so it hasn't been found yet. Try | |
4857 | the next file on the filestack if there is one. */ | |
4858 | if (next_file && | |
4859 | (strcmp (next_file->filename, input_filename) == 0)) | |
4860 | { | |
4861 | input_text = next_file->text; | |
4862 | input_text_offset = next_file->offset; | |
4863 | size_of_input_text = next_file->size; | |
4864 | next_file = next_file->next; | |
4865 | } | |
4866 | else | |
4867 | { | |
4868 | /* No more input files to check. */ | |
4869 | break; | |
4870 | } | |
4871 | } | |
4872 | ||
4873 | input_text = saved_input_text; | |
4874 | input_text_offset = saved_input_text_offset; | |
4875 | size_of_input_text = saved_size_of_input_text; | |
4876 | } | |
4877 | } | |
6599da04 JM |
4878 | |
4879 | /* Fix the level of the menu references in the Top node, iff it | |
f8b2ac1e | 4880 | was declared with @top, and no subsequent reference was found. */ |
6599da04 | 4881 | if (top_node_seen && !non_top_node_seen) |
f8b2ac1e JL |
4882 | { |
4883 | /* Then this is the first non-@top node seen. */ | |
4884 | int level; | |
6599da04 | 4885 | |
f8b2ac1e JL |
4886 | level = set_top_section_level (this_section - 1); |
4887 | non_top_node_seen = 1; | |
6599da04 | 4888 | |
f8b2ac1e JL |
4889 | while (ref) |
4890 | { | |
4891 | if (ref->section == level) | |
4892 | ref->section = this_section - 1; | |
4893 | ref = ref->next; | |
4894 | } | |
6599da04 | 4895 | |
f8b2ac1e JL |
4896 | ref = node_references; |
4897 | } | |
6599da04 JM |
4898 | |
4899 | while (ref) | |
f8b2ac1e JL |
4900 | { |
4901 | if (ref->section == (this_section - 1) && | |
4902 | ref->type == menu_reference && | |
4903 | strcmp (ref->node, node) == 0) | |
4904 | { | |
4905 | char *containing_node = ref->containing_node; | |
4906 | ||
4907 | free (up); | |
4908 | up = xstrdup (containing_node); | |
4909 | ||
4910 | if (last_ref && | |
4911 | last_ref->type == menu_reference && | |
4912 | (strcmp (last_ref->containing_node, | |
4913 | containing_node) == 0)) | |
4914 | { | |
4915 | free (next); | |
4916 | next = xstrdup (last_ref->node); | |
4917 | } | |
4918 | ||
4919 | while ((ref->section == this_section - 1) && | |
4920 | (ref->next) && | |
4921 | (ref->next->type != menu_reference)) | |
4922 | ref = ref->next; | |
4923 | ||
4924 | if (ref->next && ref->type == menu_reference && | |
4925 | (strcmp (ref->next->containing_node, | |
4926 | containing_node) == 0)) | |
4927 | { | |
4928 | free (prev); | |
4929 | prev = xstrdup (ref->next->node); | |
4930 | } | |
4931 | else if (!ref->next && | |
4932 | strcasecmp (ref->containing_node, "Top") == 0) | |
4933 | { | |
4934 | free (prev); | |
4935 | prev = xstrdup (ref->containing_node); | |
4936 | } | |
4937 | break; | |
4938 | } | |
4939 | last_ref = ref; | |
4940 | ref = ref->next; | |
4941 | } | |
6599da04 JM |
4942 | } |
4943 | ||
4944 | #if defined (HAVE_MACROS) | |
4945 | /* Insert the correct args if we are expanding macros, and the node's | |
4946 | pointers weren't defaulted. */ | |
d275726b | 4947 | if (macro_expansion_output_stream && !executing_string && !defaulting) |
6599da04 JM |
4948 | { |
4949 | char *temp; | |
4950 | int op_orig = output_paragraph_offset; | |
4951 | ||
4952 | temp = (char *)xmalloc (3 + strlen (next)); | |
4953 | sprintf (temp, ", %s", next); | |
4954 | me_execute_string (temp); | |
4955 | free (temp); | |
4956 | ||
4957 | temp = (char *)xmalloc (3 + strlen (prev)); | |
4958 | sprintf (temp, ", %s", prev); | |
4959 | me_execute_string (temp); | |
4960 | free (temp); | |
4961 | ||
4962 | temp = (char *)xmalloc (4 + strlen (up)); | |
4963 | sprintf (temp, ", %s", up); | |
4964 | me_execute_string (temp); | |
4965 | free (temp); | |
4966 | ||
4967 | output_paragraph_offset = op_orig; | |
4968 | } | |
4969 | #endif /* HAVE_MACROS */ | |
4970 | ||
4971 | if (!no_headers) | |
4972 | { | |
4973 | #if defined (HAVE_MACROS) | |
4974 | if (macro_expansion_output_stream) | |
f8b2ac1e | 4975 | me_inhibit_expansion++; |
6599da04 JM |
4976 | #endif /* HAVE_MACROS */ |
4977 | ||
4978 | if (*next) | |
f8b2ac1e JL |
4979 | { |
4980 | execute_string (", Next: %s", next); | |
4981 | filling_enabled = indented_fill = 0; | |
4982 | } | |
6599da04 JM |
4983 | |
4984 | if (*prev) | |
f8b2ac1e JL |
4985 | { |
4986 | execute_string (", Prev: %s", prev); | |
4987 | filling_enabled = indented_fill = 0; | |
4988 | } | |
6599da04 JM |
4989 | |
4990 | if (*up) | |
f8b2ac1e JL |
4991 | { |
4992 | execute_string (", Up: %s", up); | |
4993 | filling_enabled = indented_fill = 0; | |
4994 | } | |
6599da04 JM |
4995 | #if defined (HAVE_MACROS) |
4996 | if (macro_expansion_output_stream) | |
f8b2ac1e | 4997 | me_inhibit_expansion--; |
6599da04 JM |
4998 | #endif /* HAVE_MACROS */ |
4999 | } | |
5000 | ||
5001 | close_paragraph (); | |
5002 | no_indent = 0; | |
5003 | ||
5004 | if (!*node) | |
5005 | { | |
5006 | line_error ("No node name specified for `%c%s' command", | |
f8b2ac1e | 5007 | COMMAND_PREFIX, command); |
6599da04 JM |
5008 | free (node); |
5009 | free (next); | |
5010 | free (prev); | |
5011 | free (up); | |
5012 | } | |
5013 | else | |
5014 | { | |
5015 | if (!*next) { free (next); next = (char *)NULL; } | |
5016 | if (!*prev) { free (prev); prev = (char *)NULL; } | |
5017 | if (!*up) { free (up); up = (char *)NULL; } | |
5018 | remember_node (node, prev, next, up, new_node_pos, line_number, no_warn); | |
5019 | } | |
5020 | ||
5021 | /* Change the section only if there was a sectioning command. */ | |
5022 | if (this_section >= 0) | |
5023 | current_section = this_section; | |
5024 | ||
5025 | filling_enabled = 1; | |
5026 | } | |
5027 | ||
5028 | /* Validation of an info file. | |
5029 | Scan through the list of tag entries touching the Prev, Next, and Up | |
5030 | elements of each. It is an error not to be able to touch one of them, | |
5031 | except in the case of external node references, such as "(DIR)". | |
5032 | ||
5033 | If the Prev is different from the Up, | |
5034 | then the Prev node must have a Next pointing at this node. | |
5035 | ||
5036 | Every node except Top must have an Up. | |
5037 | The Up node must contain some sort of reference, other than a Next, | |
5038 | to this node. | |
5039 | ||
5040 | If the Next is different from the Next of the Up, | |
5041 | then the Next node must have a Prev pointing at this node. */ | |
5042 | void | |
5043 | validate_file (tag_table) | |
5044 | TAG_ENTRY *tag_table; | |
5045 | { | |
5046 | char *old_input_filename = input_filename; | |
5047 | TAG_ENTRY *tags = tag_table; | |
5048 | ||
5049 | while (tags != (TAG_ENTRY *) NULL) | |
5050 | { | |
5051 | register TAG_ENTRY *temp_tag; | |
5052 | ||
5053 | input_filename = tags->filename; | |
5054 | line_number = tags->line_no; | |
5055 | ||
5056 | /* If this is a "no warn" node, don't validate it in any way. */ | |
5057 | if (tags->flags & NO_WARN) | |
f8b2ac1e JL |
5058 | { |
5059 | tags = tags->next_ent; | |
5060 | continue; | |
5061 | } | |
6599da04 JM |
5062 | |
5063 | /* If this node has a Next, then make sure that the Next exists. */ | |
5064 | if (tags->next) | |
f8b2ac1e JL |
5065 | { |
5066 | validate (tags->next, tags->line_no, "Next"); | |
5067 | ||
5068 | /* If the Next node exists, and there is no Up, then make | |
5069 | sure that the Prev of the Next points back. */ | |
5070 | temp_tag = find_node (tags->next); | |
5071 | if (temp_tag) | |
5072 | { | |
5073 | char *prev; | |
5074 | ||
5075 | if (temp_tag->flags & NO_WARN) | |
5076 | { | |
5077 | /* Do nothing if we aren't supposed to issue warnings | |
5078 | about this node. */ | |
5079 | } | |
5080 | else | |
5081 | { | |
5082 | prev = temp_tag->prev; | |
5083 | if (!prev || (strcmp (prev, tags->node) != 0)) | |
5084 | { | |
5085 | line_error (_("Node `%s''s Next field not pointed back to"), | |
5086 | tags->node); | |
5087 | line_number = temp_tag->line_no; | |
5088 | input_filename = temp_tag->filename; | |
5089 | line_error | |
5090 | (_("This node (`%s') is the one with the bad `Prev'"), | |
5091 | temp_tag->node); | |
5092 | input_filename = tags->filename; | |
5093 | line_number = tags->line_no; | |
5094 | temp_tag->flags |= PREV_ERROR; | |
5095 | } | |
5096 | } | |
5097 | } | |
5098 | } | |
6599da04 JM |
5099 | |
5100 | /* Validate the Prev field if there is one, and we haven't already | |
f8b2ac1e JL |
5101 | complained about it in some way. You don't have to have a Prev |
5102 | field at this stage. */ | |
6599da04 | 5103 | if (!(tags->flags & PREV_ERROR) && tags->prev) |
f8b2ac1e JL |
5104 | { |
5105 | int valid_p = validate (tags->prev, tags->line_no, "Prev"); | |
5106 | ||
5107 | if (!valid_p) | |
5108 | tags->flags |= PREV_ERROR; | |
5109 | else | |
5110 | { | |
5111 | /* If the Prev field is not the same as the Up field, | |
5112 | then the node pointed to by the Prev field must have | |
5113 | a Next field which points to this node. */ | |
5114 | if (tags->up && (strcmp (tags->prev, tags->up) != 0)) | |
5115 | { | |
5116 | temp_tag = find_node (tags->prev); | |
5117 | ||
5118 | /* If we aren't supposed to issue warnings about the | |
5119 | target node, do nothing. */ | |
5120 | if (!temp_tag || (temp_tag->flags & NO_WARN)) | |
5121 | { | |
5122 | /* Do nothing. */ | |
5123 | } | |
5124 | else | |
5125 | { | |
5126 | if (!temp_tag->next || | |
5127 | (strcmp (temp_tag->next, tags->node) != 0)) | |
5128 | { | |
5129 | line_error | |
5130 | (_("Node `%s's Prev field not pointed back to"), | |
5131 | tags->node); | |
5132 | line_number = temp_tag->line_no; | |
5133 | input_filename = temp_tag->filename; | |
5134 | line_error (_("This node (`%s') has the bad Next"), | |
5135 | temp_tag->node); | |
5136 | input_filename = tags->filename; | |
5137 | line_number = tags->line_no; | |
5138 | temp_tag->flags |= NEXT_ERROR; | |
5139 | } | |
5140 | } | |
5141 | } | |
5142 | } | |
5143 | } | |
5144 | ||
5145 | if (!tags->up && (strcasecmp (tags->node, _("Top")) != 0)) | |
5146 | line_error (_("Node `%s' missing Up field"), tags->node); | |
6599da04 | 5147 | else if (tags->up) |
f8b2ac1e JL |
5148 | { |
5149 | int valid_p = validate (tags->up, tags->line_no, "Up"); | |
5150 | ||
5151 | /* If node X has Up: Y, then warn if Y fails to have a menu item | |
5152 | or note pointing at X, if Y isn't of the form "(Y)". */ | |
5153 | if (valid_p && *tags->up != '(') | |
5154 | { | |
5155 | NODE_REF *nref, *tref, *list; | |
5156 | NODE_REF *find_node_reference (); | |
5157 | ||
5158 | tref = (NODE_REF *) NULL; | |
5159 | list = node_references; | |
5160 | ||
5161 | for (;;) | |
5162 | { | |
5163 | if (!(nref = find_node_reference (tags->node, list))) | |
5164 | break; | |
5165 | ||
5166 | if (strcmp (nref->containing_node, tags->up) == 0) | |
5167 | { | |
5168 | if (nref->type != menu_reference) | |
5169 | { | |
5170 | tref = nref; | |
5171 | list = nref->next; | |
5172 | } | |
5173 | else | |
5174 | break; | |
5175 | } | |
5176 | list = nref->next; | |
5177 | } | |
5178 | ||
5179 | if (!nref) | |
5180 | { | |
5181 | temp_tag = find_node (tags->up); | |
5182 | line_number = temp_tag->line_no; | |
5183 | input_filename = temp_tag->filename; | |
5184 | if (!tref) | |
5185 | line_error ( | |
5186 | _("`%s' has an Up field of `%s', but `%s' has no menu item for `%s'"), | |
5187 | tags->node, tags->up, tags->up, tags->node); | |
5188 | line_number = tags->line_no; | |
5189 | input_filename = tags->filename; | |
5190 | } | |
5191 | } | |
5192 | } | |
6599da04 JM |
5193 | tags = tags->next_ent; |
5194 | } | |
5195 | ||
5196 | validate_other_references (node_references); | |
5197 | /* We have told the user about the references which didn't exist. | |
5198 | Now tell him about the nodes which aren't referenced. */ | |
5199 | ||
5200 | tags = tag_table; | |
5201 | while (tags != (TAG_ENTRY *) NULL) | |
5202 | { | |
5203 | /* If this node is a "no warn" node, do nothing. */ | |
5204 | if (tags->flags & NO_WARN) | |
f8b2ac1e JL |
5205 | { |
5206 | tags = tags->next_ent; | |
5207 | continue; | |
5208 | } | |
6599da04 JM |
5209 | |
5210 | /* Special hack. If the node in question appears to have | |
5211 | been referenced more than REFERENCE_WARNING_LIMIT times, | |
5212 | give a warning. */ | |
5213 | if (tags->touched > reference_warning_limit) | |
f8b2ac1e JL |
5214 | { |
5215 | input_filename = tags->filename; | |
5216 | line_number = tags->line_no; | |
5217 | warning (_("node `%s' has been referenced %d times"), | |
5218 | tags->node, tags->touched); | |
5219 | } | |
6599da04 JM |
5220 | |
5221 | if (tags->touched == 0) | |
f8b2ac1e JL |
5222 | { |
5223 | input_filename = tags->filename; | |
5224 | line_number = tags->line_no; | |
5225 | ||
5226 | /* Notice that the node "Top" is special, and doesn't have to | |
5227 | be referenced. */ | |
5228 | if (strcasecmp (tags->node, _("Top")) != 0) | |
5229 | warning (_("unreferenced node `%s'"), tags->node); | |
5230 | } | |
6599da04 JM |
5231 | tags = tags->next_ent; |
5232 | } | |
5233 | input_filename = old_input_filename; | |
5234 | } | |
5235 | ||
5236 | /* Return 1 if tag correctly validated, or 0 if not. */ | |
5237 | int | |
5238 | validate (tag, line, label) | |
5239 | char *tag; | |
5240 | int line; | |
5241 | char *label; | |
5242 | { | |
5243 | TAG_ENTRY *result; | |
5244 | ||
5245 | /* If there isn't a tag to verify, or if the tag is in another file, | |
5246 | then it must be okay. */ | |
5247 | if (!tag || !*tag || *tag == '(') | |
5248 | return (1); | |
5249 | ||
5250 | /* Otherwise, the tag must exist. */ | |
5251 | result = find_node (tag); | |
5252 | ||
5253 | if (!result) | |
5254 | { | |
5255 | line_number = line; | |
f8b2ac1e | 5256 | line_error (_("%s reference to nonexistent node `%s'"), label, tag); |
6599da04 JM |
5257 | return (0); |
5258 | } | |
5259 | result->touched++; | |
5260 | return (1); | |
5261 | } | |
5262 | ||
5263 | /* Split large output files into a series of smaller files. Each file | |
5264 | is pointed to in the tag table, which then gets written out as the | |
5265 | original file. The new files have the same name as the original file | |
5266 | with a "-num" attached. SIZE is the largest number of bytes to allow | |
5267 | in any single split file. */ | |
5268 | void | |
5269 | split_file (filename, size) | |
5270 | char *filename; | |
5271 | int size; | |
5272 | { | |
5273 | char *root_filename, *root_pathname; | |
5274 | char *the_file, *filename_part (); | |
5275 | struct stat fileinfo; | |
5276 | long file_size; | |
5277 | char *the_header; | |
5278 | int header_size; | |
5279 | ||
5280 | /* Can only do this to files with tag tables. */ | |
5281 | if (!tag_table) | |
5282 | return; | |
5283 | ||
5284 | if (size == 0) | |
5285 | size = DEFAULT_SPLIT_SIZE; | |
5286 | ||
5287 | if ((stat (filename, &fileinfo) != 0) || | |
5288 | (((long) fileinfo.st_size) < SPLIT_SIZE_THRESHOLD)) | |
5289 | return; | |
5290 | file_size = (long) fileinfo.st_size; | |
5291 | ||
5292 | the_file = find_and_load (filename); | |
5293 | if (!the_file) | |
5294 | return; | |
5295 | ||
5296 | root_filename = filename_part (filename); | |
5297 | root_pathname = pathname_part (filename); | |
5298 | ||
5299 | if (!root_pathname) | |
f8b2ac1e | 5300 | root_pathname = xstrdup (""); |
6599da04 JM |
5301 | |
5302 | /* Start splitting the file. Walk along the tag table | |
5303 | outputting sections of the file. When we have written | |
5304 | all of the nodes in the tag table, make the top-level | |
5305 | pointer file, which contains indirect pointers and | |
5306 | tags for the nodes. */ | |
5307 | { | |
5308 | int which_file = 1; | |
5309 | TAG_ENTRY *tags = tag_table; | |
5310 | char *indirect_info = (char *)NULL; | |
5311 | ||
5312 | /* Remember the `header' of this file. The first tag in the file is | |
5313 | the bottom of the header; the top of the file is the start. */ | |
5314 | the_header = (char *)xmalloc (1 + (header_size = tags->position)); | |
5315 | memcpy (the_header, the_file, header_size); | |
5316 | ||
5317 | while (tags) | |
5318 | { | |
f8b2ac1e JL |
5319 | int file_top, file_bot, limit; |
5320 | ||
5321 | /* Have to include the Control-_. */ | |
5322 | file_top = file_bot = tags->position; | |
5323 | limit = file_top + size; | |
5324 | ||
5325 | /* If the rest of this file is only one node, then | |
5326 | that is the entire subfile. */ | |
5327 | if (!tags->next_ent) | |
5328 | { | |
5329 | int i = tags->position + 1; | |
5330 | char last_char = the_file[i]; | |
5331 | ||
5332 | while (i < file_size) | |
5333 | { | |
5334 | if ((the_file[i] == '\037') && | |
5335 | ((last_char == '\n') || | |
5336 | (last_char == '\014'))) | |
5337 | break; | |
5338 | else | |
5339 | last_char = the_file[i]; | |
5340 | i++; | |
5341 | } | |
5342 | file_bot = i; | |
5343 | tags = tags->next_ent; | |
5344 | goto write_region; | |
5345 | } | |
5346 | ||
5347 | /* Otherwise, find the largest number of nodes that can fit in | |
5348 | this subfile. */ | |
5349 | for (; tags; tags = tags->next_ent) | |
5350 | { | |
5351 | if (!tags->next_ent) | |
5352 | { | |
5353 | /* This entry is the last node. Search forward for the end | |
5354 | of this node, and that is the end of this file. */ | |
5355 | int i = tags->position + 1; | |
5356 | char last_char = the_file[i]; | |
5357 | ||
5358 | while (i < file_size) | |
5359 | { | |
5360 | if ((the_file[i] == '\037') && | |
5361 | ((last_char == '\n') || | |
5362 | (last_char == '\014'))) | |
5363 | break; | |
5364 | else | |
5365 | last_char = the_file[i]; | |
5366 | i++; | |
5367 | } | |
5368 | file_bot = i; | |
5369 | ||
5370 | if (file_bot < limit) | |
5371 | { | |
5372 | tags = tags->next_ent; | |
5373 | goto write_region; | |
5374 | } | |
5375 | else | |
5376 | { | |
5377 | /* Here we want to write out everything before the last | |
5378 | node, and then write the last node out in a file | |
5379 | by itself. */ | |
5380 | file_bot = tags->position; | |
5381 | goto write_region; | |
5382 | } | |
5383 | } | |
5384 | ||
5385 | if (tags->next_ent->position > limit) | |
5386 | { | |
5387 | if (tags->position == file_top) | |
5388 | tags = tags->next_ent; | |
5389 | ||
5390 | file_bot = tags->position; | |
5391 | ||
5392 | write_region: | |
5393 | { | |
5394 | int fd; | |
5395 | char *split_filename; | |
5396 | ||
5397 | split_filename = (char *) xmalloc | |
5398 | (10 + strlen (root_pathname) + strlen (root_filename)); | |
5399 | sprintf | |
5400 | (split_filename, | |
5401 | "%s%s-%d", root_pathname, root_filename, which_file); | |
5402 | ||
5403 | fd = open | |
5404 | (split_filename, O_WRONLY | O_TRUNC | O_CREAT, 0666); | |
5405 | ||
5406 | if ((fd < 0) || | |
5407 | (write (fd, the_header, header_size) != header_size) || | |
5408 | (write (fd, the_file + file_top, file_bot - file_top) | |
5409 | != (file_bot - file_top)) || | |
5410 | ((close (fd)) < 0)) | |
5411 | { | |
5412 | perror (split_filename); | |
5413 | if (fd != -1) | |
5414 | close (fd); | |
5415 | exit (FATAL); | |
5416 | } | |
5417 | ||
5418 | if (!indirect_info) | |
5419 | { | |
5420 | indirect_info = the_file + file_top; | |
5421 | sprintf (indirect_info, "\037\nIndirect:\n"); | |
5422 | indirect_info += strlen (indirect_info); | |
5423 | } | |
5424 | ||
5425 | sprintf (indirect_info, "%s-%d: %d\n", | |
5426 | root_filename, which_file, file_top); | |
5427 | ||
5428 | free (split_filename); | |
5429 | indirect_info += strlen (indirect_info); | |
5430 | which_file++; | |
5431 | break; | |
5432 | } | |
5433 | } | |
5434 | } | |
6599da04 JM |
5435 | } |
5436 | ||
5437 | /* We have sucessfully created the subfiles. Now write out the | |
5438 | original again. We must use `output_stream', or | |
5439 | write_tag_table_indirect () won't know where to place the output. */ | |
5440 | output_stream = fopen (filename, "w"); | |
5441 | if (!output_stream) | |
5442 | { | |
f8b2ac1e JL |
5443 | perror (filename); |
5444 | exit (FATAL); | |
6599da04 JM |
5445 | } |
5446 | ||
5447 | { | |
5448 | int distance = indirect_info - the_file; | |
5449 | fwrite (the_file, 1, distance, output_stream); | |
5450 | ||
5451 | /* Inhibit newlines. */ | |
5452 | paragraph_is_open = 0; | |
5453 | ||
5454 | write_tag_table_indirect (); | |
5455 | fclose (output_stream); | |
5456 | free (the_header); | |
5457 | free (the_file); | |
5458 | return; | |
5459 | } | |
5460 | } | |
5461 | } | |
5462 | ||
f8b2ac1e JL |
5463 | /* The strings here are followed in the message by `reference to...' in |
5464 | the `validate' routine. */ | |
6599da04 JM |
5465 | char * |
5466 | reftype_type_string (type) | |
5467 | enum reftype type; | |
5468 | { | |
5469 | switch (type) | |
5470 | { | |
5471 | case menu_reference: | |
5472 | return ("Menu"); | |
5473 | case followed_reference: | |
f8b2ac1e | 5474 | return ("Cross"); |
6599da04 JM |
5475 | default: |
5476 | return ("Internal-bad-reference-type"); | |
5477 | } | |
5478 | } | |
5479 | ||
f8b2ac1e JL |
5480 | /* Remember this node name for later validation use. This is used to |
5481 | remember menu references while reading the input file. After the | |
5482 | output file has been written, if validation is on, then we use the | |
5483 | contents of `node_references' as a list of nodes to validate. */ | |
6599da04 JM |
5484 | void |
5485 | remember_node_reference (node, line, type) | |
5486 | char *node; | |
5487 | int line; | |
5488 | enum reftype type; | |
5489 | { | |
5490 | NODE_REF *temp = (NODE_REF *) xmalloc (sizeof (NODE_REF)); | |
5491 | ||
5492 | temp->next = node_references; | |
f8b2ac1e | 5493 | temp->node = xstrdup (node); |
6599da04 JM |
5494 | temp->line_no = line; |
5495 | temp->section = current_section; | |
5496 | temp->type = type; | |
f8b2ac1e | 5497 | temp->containing_node = xstrdup (current_node ? current_node : ""); |
6599da04 JM |
5498 | temp->filename = node_filename; |
5499 | ||
5500 | node_references = temp; | |
5501 | } | |
5502 | ||
5503 | void | |
5504 | validate_other_references (ref_list) | |
5505 | register NODE_REF *ref_list; | |
5506 | { | |
5507 | char *old_input_filename = input_filename; | |
5508 | ||
5509 | while (ref_list != (NODE_REF *) NULL) | |
5510 | { | |
5511 | input_filename = ref_list->filename; | |
5512 | validate (ref_list->node, ref_list->line_no, | |
f8b2ac1e | 5513 | reftype_type_string (ref_list->type)); |
6599da04 JM |
5514 | ref_list = ref_list->next; |
5515 | } | |
5516 | input_filename = old_input_filename; | |
5517 | } | |
5518 | ||
5519 | /* Find NODE in REF_LIST. */ | |
5520 | NODE_REF * | |
5521 | find_node_reference (node, ref_list) | |
5522 | char *node; | |
5523 | register NODE_REF *ref_list; | |
5524 | { | |
5525 | while (ref_list) | |
5526 | { | |
5527 | if (strcmp (node, ref_list->node) == 0) | |
f8b2ac1e | 5528 | break; |
6599da04 JM |
5529 | ref_list = ref_list->next; |
5530 | } | |
5531 | return (ref_list); | |
5532 | } | |
5533 | ||
5534 | void | |
5535 | free_node_references () | |
5536 | { | |
5537 | register NODE_REF *list, *temp; | |
5538 | ||
5539 | list = node_references; | |
5540 | ||
5541 | while (list) | |
5542 | { | |
5543 | temp = list; | |
5544 | free (list->node); | |
5545 | free (list->containing_node); | |
5546 | list = list->next; | |
5547 | free (temp); | |
5548 | } | |
5549 | node_references = (NODE_REF *) NULL; | |
5550 | } | |
5551 | ||
5552 | /* This function gets called at the start of every line while inside of | |
5553 | a menu. It checks to see if the line starts with "* ", and if so, | |
5554 | remembers the node reference that this menu refers to. | |
5555 | input_text_offset is at the \n just before the line start. */ | |
5556 | #define menu_starter "* " | |
5557 | char * | |
5558 | glean_node_from_menu (remember_reference) | |
5559 | int remember_reference; | |
5560 | { | |
5561 | int i, orig_offset = input_text_offset; | |
5562 | char *nodename; | |
5563 | ||
5564 | if (strncmp (&input_text[input_text_offset + 1], | |
f8b2ac1e JL |
5565 | menu_starter, |
5566 | strlen (menu_starter)) != 0) | |
6599da04 JM |
5567 | return ((char *)NULL); |
5568 | else | |
5569 | input_text_offset += strlen (menu_starter) + 1; | |
5570 | ||
f8b2ac1e | 5571 | get_until_in_line (0, ":", &nodename); |
6599da04 JM |
5572 | if (curchar () == ':') |
5573 | input_text_offset++; | |
5574 | canon_white (nodename); | |
5575 | ||
5576 | if (curchar () == ':') | |
5577 | goto save_node; | |
5578 | ||
5579 | free (nodename); | |
5580 | get_rest_of_line (&nodename); | |
5581 | ||
5582 | /* Special hack: If the nodename follows the menu item name, | |
5583 | then we have to read the rest of the line in order to find | |
5584 | out what the nodename is. But we still have to read the | |
5585 | line later, in order to process any formatting commands that | |
5586 | might be present. So un-count the carriage return that has just | |
5587 | been counted. */ | |
5588 | line_number--; | |
5589 | ||
5590 | isolate_nodename (nodename); | |
5591 | ||
5592 | save_node: | |
5593 | input_text_offset = orig_offset; | |
5594 | normalize_node_name (nodename); | |
5595 | i = strlen (nodename); | |
5596 | if (i && nodename[i - 1] == ':') | |
f8b2ac1e | 5597 | nodename[i - 1] = 0; |
6599da04 JM |
5598 | |
5599 | if (remember_reference) | |
5600 | { | |
5601 | remember_node_reference (nodename, line_number, menu_reference); | |
5602 | free (nodename); | |
5603 | return ((char *)NULL); | |
5604 | } | |
5605 | else | |
5606 | return (nodename); | |
5607 | } | |
5608 | ||
5609 | static void | |
5610 | isolate_nodename (nodename) | |
5611 | char *nodename; | |
5612 | { | |
5613 | register int i, c; | |
5614 | int paren_seen, paren; | |
5615 | ||
5616 | if (!nodename) | |
5617 | return; | |
5618 | ||
5619 | canon_white (nodename); | |
5620 | paren_seen = paren = i = 0; | |
5621 | ||
5622 | if (*nodename == '.' || !*nodename) | |
5623 | { | |
f8b2ac1e | 5624 | *nodename = 0; |
6599da04 JM |
5625 | return; |
5626 | } | |
5627 | ||
5628 | if (*nodename == '(') | |
5629 | { | |
5630 | paren++; | |
5631 | paren_seen++; | |
5632 | i++; | |
5633 | } | |
5634 | ||
f8b2ac1e | 5635 | for (; (c = nodename[i]); i++) |
6599da04 JM |
5636 | { |
5637 | if (paren) | |
f8b2ac1e JL |
5638 | { |
5639 | if (c == '(') | |
5640 | paren++; | |
5641 | else if (c == ')') | |
5642 | paren--; | |
6599da04 | 5643 | |
f8b2ac1e JL |
5644 | continue; |
5645 | } | |
6599da04 JM |
5646 | |
5647 | /* If the character following the close paren is a space, then this | |
f8b2ac1e | 5648 | node has no more characters associated with it. */ |
6599da04 | 5649 | if (c == '\t' || |
f8b2ac1e JL |
5650 | c == '\n' || |
5651 | c == ',' || | |
5652 | ((paren_seen && nodename[i - 1] == ')') && | |
5653 | (c == ' ' || c == '.')) || | |
5654 | (c == '.' && | |
5655 | ((!nodename[i + 1] || | |
5656 | (cr_or_whitespace (nodename[i + 1])) || | |
5657 | (nodename[i + 1] == ')'))))) | |
5658 | break; | |
6599da04 | 5659 | } |
f8b2ac1e | 5660 | nodename[i] = 0; |
6599da04 JM |
5661 | } |
5662 | ||
5663 | void | |
5664 | cm_menu () | |
5665 | { | |
5666 | if (current_node == (char *)NULL) | |
5667 | { | |
f8b2ac1e JL |
5668 | warning (_("%cmenu seen before first node"), COMMAND_PREFIX); |
5669 | warning (_("creating `Top' node")); | |
6599da04 JM |
5670 | execute_string ("@node Top"); |
5671 | } | |
5672 | begin_insertion (menu); | |
5673 | } | |
5674 | ||
5675 | void | |
5676 | cm_detailmenu () | |
5677 | { | |
5678 | if (current_node == (char *)NULL) | |
5679 | { | |
f8b2ac1e JL |
5680 | warning (_("%cmenu seen before first node"), COMMAND_PREFIX); |
5681 | warning (_("creating `Top' node")); | |
6599da04 JM |
5682 | execute_string ("@node Top"); |
5683 | } | |
5684 | begin_insertion (detailmenu); | |
5685 | } | |
5686 | \f | |
5687 | /* **************************************************************** */ | |
f8b2ac1e JL |
5688 | /* */ |
5689 | /* Cross Reference Hacking */ | |
5690 | /* */ | |
6599da04 JM |
5691 | /* **************************************************************** */ |
5692 | ||
f8b2ac1e JL |
5693 | /* Return next comma-delimited argument, but do not cross a close-brace |
5694 | boundary. Clean up whitespace, too. */ | |
6599da04 JM |
5695 | char * |
5696 | get_xref_token () | |
5697 | { | |
5698 | char *string; | |
5699 | ||
5700 | get_until_in_braces (",", &string); | |
5701 | if (curchar () == ',') | |
5702 | input_text_offset++; | |
5703 | fix_whitespace (string); | |
5704 | return (string); | |
5705 | } | |
5706 | ||
f8b2ac1e | 5707 | int px_ref_flag = 0; /* Controls initial output string. */ |
6599da04 JM |
5708 | |
5709 | /* Make a cross reference. */ | |
5710 | void | |
5711 | cm_xref (arg) | |
5712 | { | |
5713 | if (arg == START) | |
5714 | { | |
5715 | char *arg1, *arg2, *arg3, *arg4, *arg5; | |
5716 | ||
5717 | arg1 = get_xref_token (); | |
5718 | arg2 = get_xref_token (); | |
5719 | arg3 = get_xref_token (); | |
5720 | arg4 = get_xref_token (); | |
5721 | arg5 = get_xref_token (); | |
5722 | ||
5723 | add_word_args ("%s", px_ref_flag ? "*note " : "*Note "); | |
5724 | ||
5725 | if (*arg5 || *arg4) | |
f8b2ac1e JL |
5726 | { |
5727 | char *node_name; | |
5728 | ||
5729 | if (!*arg2) | |
5730 | { | |
5731 | if (*arg3) | |
5732 | node_name = arg3; | |
5733 | else | |
5734 | node_name = arg1; | |
5735 | } | |
5736 | else | |
5737 | node_name = arg2; | |
5738 | ||
5739 | execute_string ("%s: (%s)%s", node_name, arg4, arg1); | |
5740 | /* Free all of the arguments found. */ | |
5741 | if (arg1) free (arg1); | |
5742 | if (arg2) free (arg2); | |
5743 | if (arg3) free (arg3); | |
5744 | if (arg4) free (arg4); | |
5745 | if (arg5) free (arg5); | |
5746 | return; | |
5747 | } | |
6599da04 | 5748 | else |
f8b2ac1e | 5749 | remember_node_reference (arg1, line_number, followed_reference); |
6599da04 JM |
5750 | |
5751 | if (*arg3) | |
f8b2ac1e JL |
5752 | { |
5753 | if (!*arg2) | |
5754 | execute_string ("%s: %s", arg3, arg1); | |
5755 | else | |
5756 | execute_string ("%s: %s", arg2, arg1); | |
5757 | } | |
6599da04 | 5758 | else |
f8b2ac1e JL |
5759 | { |
5760 | if (*arg2) | |
5761 | execute_string ("%s: %s", arg2, arg1); | |
5762 | else | |
5763 | execute_string ("%s::", arg1); | |
5764 | } | |
6599da04 JM |
5765 | |
5766 | /* Free all of the arguments found. */ | |
5767 | if (arg1) free (arg1); | |
5768 | if (arg2) free (arg2); | |
5769 | if (arg3) free (arg3); | |
5770 | if (arg4) free (arg4); | |
5771 | if (arg5) free (arg5); | |
5772 | } | |
5773 | else | |
5774 | { | |
5775 | /* Check to make sure that the next non-whitespace character is either | |
5776 | a period or a comma. input_text_offset is pointing at the "}" which | |
5777 | ended the xref or pxref command. */ | |
5778 | int temp = input_text_offset + 1; | |
5779 | ||
5780 | if (output_paragraph[output_paragraph_offset - 2] == ':' && | |
f8b2ac1e JL |
5781 | output_paragraph[output_paragraph_offset - 1] == ':') |
5782 | return; | |
6599da04 | 5783 | while (temp < size_of_input_text) |
f8b2ac1e JL |
5784 | { |
5785 | if (cr_or_whitespace (input_text[temp])) | |
5786 | temp++; | |
5787 | else | |
5788 | { | |
5789 | if (input_text[temp] != '.' | |
5790 | && input_text[temp] != ',' | |
5791 | && input_text[temp] != '\t') | |
5792 | { | |
5793 | line_error ( | |
5794 | _("`.' or `,' must follow cross reference, not %c"), | |
5795 | input_text[temp]); | |
5796 | } | |
5797 | break; | |
5798 | } | |
5799 | } | |
6599da04 JM |
5800 | } |
5801 | } | |
5802 | ||
5803 | void | |
5804 | cm_pxref (arg) | |
5805 | int arg; | |
5806 | { | |
5807 | if (arg == START) | |
5808 | { | |
5809 | px_ref_flag++; | |
5810 | cm_xref (arg); | |
5811 | px_ref_flag--; | |
5812 | } | |
5813 | else | |
5814 | add_char ('.'); | |
5815 | } | |
5816 | ||
5817 | void | |
5818 | cm_inforef (arg) | |
5819 | int arg; | |
5820 | { | |
5821 | if (arg == START) | |
5822 | { | |
f8b2ac1e JL |
5823 | char *node = get_xref_token (); |
5824 | char *pname = get_xref_token (); | |
5825 | char *file = get_xref_token (); | |
5826 | ||
5827 | if (*pname) | |
5828 | execute_string ("*note %s: (%s)%s", pname, file, node); | |
5829 | else | |
5830 | execute_string ("*note (%s)%s::", file, node); | |
5831 | ||
5832 | free (node); | |
5833 | free (pname); | |
5834 | free (file); | |
5835 | } | |
5836 | } | |
5837 | ||
5838 | /* A URL reference. */ | |
5839 | void | |
5840 | cm_uref (arg, start_pos, end_pos) | |
5841 | int arg, start_pos, end_pos; | |
5842 | { | |
5843 | if (arg == END) | |
5844 | { | |
5845 | char *comma; | |
d275726b | 5846 | char *arg = (char *) &output_paragraph[start_pos]; |
f8b2ac1e JL |
5847 | |
5848 | output_paragraph[end_pos] = 0; | |
5849 | output_column -= end_pos - start_pos; | |
5850 | output_paragraph_offset = start_pos; | |
5851 | ||
5852 | arg = xstrdup (arg); | |
5853 | comma = strchr (arg, ','); /* let's hope for no commas in the url */ | |
5854 | if (comma) | |
5855 | { | |
5856 | *comma = 0; | |
5857 | /* Ignore spaces at beginning of second arg. */ | |
5858 | for (comma++; isspace (*comma); comma++) | |
5859 | ; | |
5860 | add_word (comma); | |
5861 | add_char (' '); | |
5862 | add_char ('('); | |
5863 | add_word (arg); | |
5864 | add_char (')'); | |
5865 | } | |
5866 | else | |
5867 | { | |
5868 | extern int printing_index; | |
5869 | ||
5870 | if (!printing_index) | |
5871 | add_char ('`'); | |
5872 | ||
5873 | add_word (arg); | |
5874 | ||
5875 | if (!printing_index) | |
5876 | add_char ('\''); | |
5877 | } | |
5878 | free (arg); | |
5879 | } | |
5880 | } | |
5881 | ||
5882 | /* An email reference. */ | |
5883 | void | |
5884 | cm_email (arg, start_pos, end_pos) | |
5885 | int arg, start_pos, end_pos; | |
5886 | { | |
5887 | if (arg == END) | |
5888 | { | |
5889 | char *comma; | |
d275726b | 5890 | char *arg = (char *) &output_paragraph[start_pos]; |
f8b2ac1e JL |
5891 | |
5892 | output_paragraph[end_pos] = 0; | |
5893 | output_column -= end_pos - start_pos; | |
5894 | output_paragraph_offset = start_pos; | |
5895 | ||
5896 | arg = xstrdup (arg); | |
5897 | comma = strchr (arg, ','); | |
5898 | if (comma) | |
5899 | { | |
5900 | *comma = 0; | |
5901 | for (comma++; isspace (*comma); comma++) | |
5902 | ; | |
5903 | add_word (comma); | |
5904 | add_char (' '); | |
5905 | } | |
5906 | add_char ('<'); | |
5907 | add_word (arg); | |
5908 | add_char ('>'); | |
5909 | free (arg); | |
5910 | } | |
5911 | } | |
6599da04 | 5912 | |
f8b2ac1e JL |
5913 | /* An external image is a reference, kind of. The parsing is (not |
5914 | coincidentally) similar, anyway. */ | |
5915 | void | |
5916 | cm_image (arg) | |
5917 | int arg; | |
5918 | { | |
5919 | if (arg == START) | |
5920 | { | |
5921 | char *name_arg = get_xref_token (); | |
5922 | /* We don't yet care about any other args, but read them so they | |
5923 | don't end up in the text. */ | |
5924 | char *arg = get_xref_token (); | |
5925 | if (arg) free (arg); | |
5926 | arg = get_xref_token (); | |
5927 | if (arg) free (arg); | |
5928 | ||
5929 | if (*name_arg) | |
5930 | { | |
5931 | /* Try to open foo.txt. */ | |
5932 | FILE *image_file; | |
5933 | char *name = xmalloc (strlen (name_arg) + 4); | |
5934 | strcpy (name, name_arg); | |
5935 | strcat (name, ".txt"); | |
5936 | image_file = fopen (name, "r"); | |
5937 | if (image_file) | |
5938 | { | |
5939 | int ch; | |
5940 | int save_inhibit_indentation = inhibit_paragraph_indentation; | |
5941 | int save_filling_enabled = filling_enabled; | |
5942 | ||
5943 | inhibit_paragraph_indentation = 1; | |
5944 | filling_enabled = 0; | |
5945 | last_char_was_newline = 0; | |
5946 | ||
5947 | /* Maybe we need to remove the final newline if the image | |
5948 | file is only one line to allow in-line images. On the | |
5949 | other hand, they could just make the file without a | |
5950 | final newline. */ | |
5951 | while ((ch = getc (image_file)) != EOF) | |
5952 | add_char (ch); | |
5953 | ||
5954 | inhibit_paragraph_indentation = save_inhibit_indentation; | |
5955 | filling_enabled = save_filling_enabled; | |
5956 | ||
5957 | if (fclose (image_file) != 0) { | |
5958 | perror (name); | |
5959 | } | |
5960 | } | |
5961 | else | |
5962 | warning (_("@image file `%s' unreadable: %s"), name, | |
5963 | strerror (errno)); | |
5964 | } | |
5965 | else | |
5966 | line_error (_("@image missing filename argument")); | |
6599da04 | 5967 | |
f8b2ac1e | 5968 | if (name_arg) free (name_arg); |
6599da04 JM |
5969 | } |
5970 | } | |
5971 | \f | |
5972 | /* **************************************************************** */ | |
f8b2ac1e JL |
5973 | /* */ |
5974 | /* Insertion Command Stubs */ | |
5975 | /* */ | |
6599da04 JM |
5976 | /* **************************************************************** */ |
5977 | ||
5978 | void | |
5979 | cm_quotation () | |
5980 | { | |
5981 | begin_insertion (quotation); | |
5982 | } | |
5983 | ||
5984 | void | |
5985 | cm_example () | |
5986 | { | |
5987 | begin_insertion (example); | |
5988 | } | |
5989 | ||
5990 | void | |
5991 | cm_smallexample () | |
5992 | { | |
5993 | begin_insertion (smallexample); | |
5994 | } | |
5995 | ||
5996 | void | |
5997 | cm_lisp () | |
5998 | { | |
5999 | begin_insertion (lisp); | |
6000 | } | |
6001 | ||
6002 | void | |
6003 | cm_smalllisp () | |
6004 | { | |
6005 | begin_insertion (smalllisp); | |
6006 | } | |
6007 | ||
6008 | /* @cartouche/@end cartouche draws box with rounded corners in | |
f8b2ac1e | 6009 | TeX output. Right now, just a no-op insertion. */ |
6599da04 JM |
6010 | void |
6011 | cm_cartouche () | |
6012 | { | |
6013 | begin_insertion (cartouche); | |
6014 | } | |
6015 | ||
6016 | void | |
6017 | cm_format () | |
6018 | { | |
6019 | begin_insertion (format); | |
6020 | } | |
6021 | ||
6022 | void | |
6023 | cm_display () | |
6024 | { | |
6025 | begin_insertion (display); | |
6026 | } | |
6027 | ||
6028 | void | |
6029 | cm_direntry () | |
6030 | { | |
6031 | if (no_headers) | |
6032 | command_name_condition (); | |
6033 | else | |
6034 | begin_insertion (direntry); | |
6035 | } | |
6036 | ||
6037 | void | |
6038 | cm_itemize () | |
6039 | { | |
6040 | begin_insertion (itemize); | |
6041 | } | |
6042 | ||
6043 | void | |
6044 | cm_enumerate () | |
6045 | { | |
6046 | do_enumeration (enumerate, "1"); | |
6047 | } | |
6048 | ||
6049 | /* Start an enumeration insertion of type TYPE. If the user supplied | |
6050 | no argument on the line, then use DEFAULT_STRING as the initial string. */ | |
6051 | void | |
6052 | do_enumeration (type, default_string) | |
6053 | int type; | |
6054 | char *default_string; | |
6055 | { | |
f8b2ac1e | 6056 | get_until_in_line (0, ".", &enumeration_arg); |
6599da04 JM |
6057 | canon_white (enumeration_arg); |
6058 | ||
6059 | if (!*enumeration_arg) | |
6060 | { | |
6061 | free (enumeration_arg); | |
f8b2ac1e | 6062 | enumeration_arg = xstrdup (default_string); |
6599da04 JM |
6063 | } |
6064 | ||
6065 | if (!isdigit (*enumeration_arg) && !isletter (*enumeration_arg)) | |
6066 | { | |
f8b2ac1e | 6067 | warning (_("%s requires letter or digit"), insertion_type_pname (type)); |
6599da04 JM |
6068 | |
6069 | switch (type) | |
f8b2ac1e JL |
6070 | { |
6071 | case enumerate: | |
6072 | default_string = "1"; | |
6073 | break; | |
6074 | } | |
6075 | enumeration_arg = xstrdup (default_string); | |
6599da04 JM |
6076 | } |
6077 | begin_insertion (type); | |
6078 | } | |
6079 | ||
6080 | void | |
6081 | cm_table () | |
6082 | { | |
6083 | begin_insertion (table); | |
6084 | } | |
6085 | ||
6086 | void | |
6087 | cm_multitable () | |
6088 | { | |
f8b2ac1e | 6089 | begin_insertion (multitable); /* @@ */ |
6599da04 JM |
6090 | } |
6091 | ||
6092 | void | |
6093 | cm_ftable () | |
6094 | { | |
6095 | begin_insertion (ftable); | |
6096 | } | |
6097 | ||
6098 | void | |
6099 | cm_vtable () | |
6100 | { | |
6101 | begin_insertion (vtable); | |
6102 | } | |
6103 | ||
6104 | void | |
6105 | cm_group () | |
6106 | { | |
6107 | begin_insertion (group); | |
6108 | } | |
6109 | ||
6110 | void | |
6111 | cm_ifinfo () | |
6112 | { | |
6113 | begin_insertion (ifinfo); | |
6114 | } | |
6115 | ||
f8b2ac1e JL |
6116 | void |
6117 | cm_ifnothtml () | |
6118 | { | |
6119 | begin_insertion (ifnothtml); | |
6120 | } | |
6121 | ||
6122 | void | |
6123 | cm_ifnottex () | |
6124 | { | |
6125 | begin_insertion (ifnottex); | |
6126 | } | |
6127 | ||
6599da04 JM |
6128 | /* Begin an insertion where the lines are not filled or indented. */ |
6129 | void | |
6130 | cm_flushleft () | |
6131 | { | |
6132 | begin_insertion (flushleft); | |
6133 | } | |
6134 | ||
6135 | /* Begin an insertion where the lines are not filled, and each line is | |
6136 | forced to the right-hand side of the page. */ | |
6137 | void | |
6138 | cm_flushright () | |
6139 | { | |
6140 | begin_insertion (flushright); | |
6141 | } | |
f8b2ac1e JL |
6142 | |
6143 | /* End existing insertion block. */ | |
6144 | void | |
6145 | cm_end () | |
6146 | { | |
6147 | char *temp; | |
6148 | enum insertion_type type; | |
6149 | ||
6150 | if (!insertion_level) | |
6151 | { | |
6152 | line_error (_("Unmatched `%c%s'"), COMMAND_PREFIX, command); | |
6153 | return; | |
6154 | } | |
6155 | ||
6156 | get_rest_of_line (&temp); | |
6157 | ||
6158 | if (temp[0] == 0) | |
6159 | line_error (_("`%c%s' needs something after it"), COMMAND_PREFIX, command); | |
6160 | ||
6161 | type = find_type_from_name (temp); | |
6162 | ||
6163 | if (type == bad_type) | |
6164 | { | |
6165 | line_error (_("Bad argument to `%s', `%s', using `%s'"), | |
6166 | command, temp, insertion_type_pname (current_insertion_type ())); | |
6167 | } | |
6168 | end_insertion (type); | |
6169 | free (temp); | |
6170 | } | |
6599da04 JM |
6171 | \f |
6172 | /* **************************************************************** */ | |
f8b2ac1e JL |
6173 | /* */ |
6174 | /* Conditional Handling */ | |
6175 | /* */ | |
6599da04 JM |
6176 | /* **************************************************************** */ |
6177 | ||
6178 | /* A structure which contains `defined' variables. */ | |
6179 | typedef struct defines { | |
6180 | struct defines *next; | |
6181 | char *name; | |
6182 | char *value; | |
6183 | } DEFINE; | |
6184 | ||
6185 | /* The linked list of `set' defines. */ | |
6186 | DEFINE *defines = (DEFINE *)NULL; | |
6187 | ||
6188 | /* Add NAME to the list of `set' defines. */ | |
6189 | void | |
6190 | set (name, value) | |
6191 | char *name; | |
6192 | char *value; | |
6193 | { | |
6194 | DEFINE *temp; | |
6195 | ||
6196 | for (temp = defines; temp; temp = temp->next) | |
6197 | if (strcmp (name, temp->name) == 0) | |
6198 | { | |
f8b2ac1e JL |
6199 | free (temp->value); |
6200 | temp->value = xstrdup (value); | |
6201 | return; | |
6599da04 JM |
6202 | } |
6203 | ||
6204 | temp = (DEFINE *)xmalloc (sizeof (DEFINE)); | |
6205 | temp->next = defines; | |
f8b2ac1e JL |
6206 | temp->name = xstrdup (name); |
6207 | temp->value = xstrdup (value); | |
6599da04 JM |
6208 | defines = temp; |
6209 | } | |
6210 | ||
6211 | /* Remove NAME from the list of `set' defines. */ | |
6212 | void | |
6213 | clear (name) | |
6214 | char *name; | |
6215 | { | |
6216 | register DEFINE *temp, *last; | |
6217 | ||
6218 | last = (DEFINE *)NULL; | |
6219 | temp = defines; | |
6220 | ||
6221 | while (temp) | |
6222 | { | |
6223 | if (strcmp (temp->name, name) == 0) | |
f8b2ac1e JL |
6224 | { |
6225 | if (last) | |
6226 | last->next = temp->next; | |
6227 | else | |
6228 | defines = temp->next; | |
6229 | ||
6230 | free (temp->name); | |
6231 | free (temp->value); | |
6232 | free (temp); | |
6233 | break; | |
6234 | } | |
6599da04 JM |
6235 | last = temp; |
6236 | temp = temp->next; | |
6237 | } | |
6238 | } | |
6239 | ||
6240 | /* Return the value of NAME. The return value is NULL if NAME is unset. */ | |
6241 | char * | |
6242 | set_p (name) | |
6243 | char *name; | |
6244 | { | |
6245 | register DEFINE *temp; | |
6246 | ||
6247 | for (temp = defines; temp; temp = temp->next) | |
6248 | if (strcmp (temp->name, name) == 0) | |
6249 | return (temp->value); | |
6250 | ||
6251 | return ((char *)NULL); | |
6252 | } | |
6253 | ||
6254 | /* Conditionally parse based on the current command name. */ | |
6255 | void | |
6256 | command_name_condition () | |
6257 | { | |
6258 | char *discarder; | |
6259 | ||
6260 | discarder = (char *)xmalloc (8 + strlen (command)); | |
6261 | ||
6262 | sprintf (discarder, "\n%cend %s", COMMAND_PREFIX, command); | |
6263 | discard_until (discarder); | |
6264 | discard_until ("\n"); | |
6265 | ||
6266 | free (discarder); | |
6267 | } | |
6268 | ||
6269 | /* Create a variable whose name appears as the first word on this line. */ | |
6270 | void | |
6271 | cm_set () | |
6272 | { | |
6273 | handle_variable (SET); | |
6274 | } | |
6275 | ||
6276 | /* Remove a variable whose name appears as the first word on this line. */ | |
6277 | void | |
6278 | cm_clear () | |
6279 | { | |
6280 | handle_variable (CLEAR); | |
6281 | } | |
6282 | ||
6283 | void | |
6284 | cm_ifset () | |
6285 | { | |
6286 | handle_variable (IFSET); | |
6287 | } | |
6288 | ||
6289 | void | |
6290 | cm_ifclear () | |
6291 | { | |
6292 | handle_variable (IFCLEAR); | |
6293 | } | |
6294 | ||
6295 | /* This command takes braces, but we parse the contents specially, so we | |
6296 | don't use the standard brace popping code. | |
6297 | ||
6298 | The syntax @ifeq{arg1, arg2, texinfo-commands} performs texinfo-commands | |
6299 | if ARG1 and ARG2 caselessly string compare to the same string, otherwise, | |
6300 | it produces no output. */ | |
6301 | void | |
6302 | cm_ifeq () | |
6303 | { | |
6599da04 JM |
6304 | char **arglist; |
6305 | ||
6306 | arglist = get_brace_args (0); | |
6307 | ||
6308 | if (arglist) | |
6309 | { | |
6310 | if (array_len (arglist) > 1) | |
f8b2ac1e JL |
6311 | { |
6312 | if ((strcasecmp (arglist[0], arglist[1]) == 0) && | |
6313 | (arglist[2] != (char *)NULL)) | |
6314 | execute_string ("%s\n", arglist[2]); | |
6315 | } | |
6599da04 JM |
6316 | |
6317 | free_array (arglist); | |
6318 | } | |
6319 | } | |
6320 | ||
6321 | void | |
6322 | cm_value (arg, start_pos, end_pos) | |
6323 | int arg, start_pos, end_pos; | |
6324 | { | |
6325 | if (arg == END) | |
6326 | { | |
d275726b JL |
6327 | char *name = (char *) &output_paragraph[start_pos]; |
6328 | char *value; | |
f8b2ac1e JL |
6329 | output_paragraph[end_pos] = 0; |
6330 | name = xstrdup (name); | |
6599da04 JM |
6331 | value = set_p (name); |
6332 | output_column -= end_pos - start_pos; | |
6333 | output_paragraph_offset = start_pos; | |
6334 | ||
6335 | if (value) | |
6336 | execute_string ("%s", value); | |
6337 | else | |
f8b2ac1e | 6338 | add_word_args (_("{No Value For \"%s\"}"), name); |
6599da04 JM |
6339 | |
6340 | free (name); | |
6341 | } | |
6342 | } | |
6343 | ||
6344 | /* Set, clear, or conditionalize based on ACTION. */ | |
6345 | void | |
6346 | handle_variable (action) | |
6347 | int action; | |
6348 | { | |
6349 | char *name; | |
6350 | ||
6351 | get_rest_of_line (&name); | |
6352 | backup_input_pointer (); | |
6599da04 JM |
6353 | handle_variable_internal (action, name); |
6354 | free (name); | |
6355 | } | |
6356 | ||
6357 | void | |
6358 | handle_variable_internal (action, name) | |
6359 | int action; | |
6360 | char *name; | |
6361 | { | |
6362 | char *temp; | |
6363 | int delimiter, additional_text_present = 0; | |
6364 | ||
6365 | /* Only the first word of NAME is a valid tag. */ | |
6366 | temp = name; | |
6367 | delimiter = 0; | |
6368 | while (*temp && (delimiter || !whitespace (*temp))) | |
6369 | { | |
6370 | /* #if defined (SET_WITH_EQUAL) */ | |
6371 | if (*temp == '"' || *temp == '\'') | |
f8b2ac1e JL |
6372 | { |
6373 | if (*temp == delimiter) | |
6374 | delimiter = 0; | |
6375 | else | |
6376 | delimiter = *temp; | |
6377 | } | |
6599da04 JM |
6378 | /* #endif SET_WITH_EQUAL */ |
6379 | temp++; | |
6380 | } | |
6381 | ||
6382 | if (*temp) | |
6383 | additional_text_present++; | |
6384 | ||
f8b2ac1e | 6385 | *temp = 0; |
6599da04 JM |
6386 | |
6387 | if (!*name) | |
f8b2ac1e | 6388 | line_error (_("%c%s requires a name"), COMMAND_PREFIX, command); |
6599da04 JM |
6389 | else |
6390 | { | |
6391 | switch (action) | |
f8b2ac1e JL |
6392 | { |
6393 | case SET: | |
6394 | { | |
6395 | char *value; | |
6599da04 JM |
6396 | |
6397 | #if defined (SET_WITH_EQUAL) | |
f8b2ac1e JL |
6398 | /* Allow a value to be saved along with a variable. The value is |
6399 | the text following an `=' sign in NAME, if any is present. */ | |
6599da04 | 6400 | |
f8b2ac1e | 6401 | for (value = name; *value && *value != '='; value++); |
6599da04 | 6402 | |
f8b2ac1e JL |
6403 | if (*value) |
6404 | *value++ = 0; | |
6599da04 | 6405 | |
f8b2ac1e JL |
6406 | if (*value == '"' || *value == '\'') |
6407 | { | |
6408 | value++; | |
6409 | value[strlen (value) - 1] = 0; | |
6410 | } | |
6599da04 JM |
6411 | |
6412 | #else /* !SET_WITH_EQUAL */ | |
f8b2ac1e JL |
6413 | /* The VALUE of NAME is the remainder of the line sans |
6414 | whitespace. */ | |
6415 | if (additional_text_present) | |
6416 | { | |
6417 | value = temp + 1; | |
6418 | canon_white (value); | |
6419 | } | |
6420 | else | |
6421 | value = ""; | |
6599da04 JM |
6422 | #endif /* !SET_WITH_VALUE */ |
6423 | ||
f8b2ac1e JL |
6424 | set (name, value); |
6425 | } | |
6426 | break; | |
6427 | ||
6428 | case CLEAR: | |
6429 | clear (name); | |
6430 | break; | |
6431 | ||
6432 | case IFSET: | |
6433 | case IFCLEAR: | |
6434 | /* If IFSET and NAME is not set, or if IFCLEAR and NAME is set, | |
38e01259 | 6435 | read lines from the file until we reach a matching |
f8b2ac1e JL |
6436 | "@end CONDITION". This means that we only take note of |
6437 | "@ifset/clear" and "@end" commands. */ | |
6438 | { | |
6439 | char condition[8]; | |
6440 | int condition_len; | |
6441 | int orig_line_number = line_number; | |
6442 | ||
6443 | if (action == IFSET) | |
6444 | strcpy (condition, "ifset"); | |
6445 | else | |
6446 | strcpy (condition, "ifclear"); | |
6447 | ||
6448 | condition_len = strlen (condition); | |
6449 | ||
6450 | if ((action == IFSET && !set_p (name)) | |
6451 | || (action == IFCLEAR && set_p (name))) | |
6452 | { | |
6453 | int level = 0, done = 0; | |
6454 | ||
6455 | while (!done && input_text_offset < size_of_input_text) | |
6456 | { | |
6457 | char *freeable_line, *line; | |
6458 | ||
6459 | get_rest_of_line (&freeable_line); | |
6460 | ||
6461 | for (line = freeable_line; whitespace (*line); line++); | |
6462 | ||
6463 | if (*line == COMMAND_PREFIX && | |
6464 | (strncmp (line + 1, condition, condition_len) == 0)) | |
6465 | level++; | |
6466 | else if (strncmp (line, "@end", 4) == 0) | |
6467 | { | |
6468 | char *cname = line + 4; | |
6469 | char *temp; | |
6470 | ||
6471 | while (*cname && whitespace (*cname)) | |
6472 | cname++; | |
6473 | temp = cname; | |
6474 | ||
6475 | while (*temp && !whitespace (*temp)) | |
6476 | temp++; | |
6477 | *temp = 0; | |
6478 | ||
6479 | if (strcmp (cname, condition) == 0) | |
6480 | { | |
6481 | if (!level) | |
6482 | { | |
6483 | done = 1; | |
6484 | } | |
6485 | else | |
6486 | level--; | |
6487 | } | |
6488 | } | |
6489 | free (freeable_line); | |
6490 | } | |
6491 | ||
6492 | if (!done) | |
6493 | { | |
6494 | int save = line_number; | |
6495 | line_number = orig_line_number; | |
6496 | line_error (_("Reached eof before matching @end %s"), | |
6497 | condition); | |
6498 | line_number = save; | |
6499 | } | |
6500 | ||
6501 | /* We found the end of a false @ifset/ifclear. If we are | |
6502 | in a menu, back up over the newline that ends the ifset, | |
6503 | since that newline may also begin the next menu entry. */ | |
6504 | break; | |
6505 | } | |
6506 | else | |
6507 | { | |
6508 | if (action == IFSET) | |
6509 | begin_insertion (ifset); | |
6510 | else | |
6511 | begin_insertion (ifclear); | |
6512 | } | |
6513 | } | |
6514 | break; | |
6515 | } | |
6599da04 JM |
6516 | } |
6517 | } | |
6518 | \f | |
6519 | /* Execution of random text not in file. */ | |
6520 | ||
6521 | typedef struct { | |
f8b2ac1e JL |
6522 | char *string; /* The string buffer. */ |
6523 | int size; /* The size of the buffer. */ | |
6524 | int in_use; /* Nonzero means string currently in use. */ | |
6599da04 JM |
6525 | } EXECUTION_STRING; |
6526 | ||
6527 | static EXECUTION_STRING **execution_strings = (EXECUTION_STRING **)NULL; | |
6528 | static int execution_strings_index = 0; | |
6529 | static int execution_strings_slots = 0; | |
6530 | ||
6531 | EXECUTION_STRING * | |
6532 | get_execution_string (initial_size) | |
6533 | int initial_size; | |
6534 | { | |
6535 | register int i = 0; | |
6536 | EXECUTION_STRING *es = (EXECUTION_STRING *)NULL; | |
6537 | ||
6538 | if (execution_strings) | |
6539 | { | |
6540 | for (i = 0; i < execution_strings_index; i++) | |
f8b2ac1e JL |
6541 | if (execution_strings[i] && (execution_strings[i]->in_use == 0)) |
6542 | { | |
6543 | es = execution_strings[i]; | |
6544 | break; | |
6545 | } | |
6599da04 JM |
6546 | } |
6547 | ||
6548 | if (!es) | |
6549 | { | |
6550 | if (execution_strings_index + 1 >= execution_strings_slots) | |
f8b2ac1e JL |
6551 | { |
6552 | execution_strings = (EXECUTION_STRING **)xrealloc | |
6553 | (execution_strings, | |
6554 | (execution_strings_slots += 3) * sizeof (EXECUTION_STRING *)); | |
6555 | for (; i < execution_strings_slots; i++) | |
6556 | execution_strings[i] = (EXECUTION_STRING *)NULL; | |
6557 | } | |
6599da04 JM |
6558 | |
6559 | execution_strings[execution_strings_index] = | |
f8b2ac1e | 6560 | (EXECUTION_STRING *)xmalloc (sizeof (EXECUTION_STRING)); |
6599da04 JM |
6561 | es = execution_strings[execution_strings_index]; |
6562 | execution_strings_index++; | |
6563 | ||
6564 | es->size = 0; | |
6565 | es->string = (char *)NULL; | |
6566 | es->in_use = 0; | |
6567 | } | |
6568 | ||
6569 | if (initial_size > es->size) | |
f8b2ac1e JL |
6570 | { |
6571 | es->string = (char *) xrealloc (es->string, initial_size); | |
6572 | es->size = initial_size; | |
6573 | } | |
6574 | return (es); | |
6575 | } | |
6599da04 | 6576 | |
f8b2ac1e JL |
6577 | /* Execute the string produced by formatting the ARGs with FORMAT. This |
6578 | is like submitting a new file with @include. */ | |
6599da04 | 6579 | void |
f8b2ac1e JL |
6580 | #if defined (VA_FPRINTF) && __STDC__ |
6581 | execute_string (char *format, ...) | |
6582 | #else | |
6583 | execute_string (format, va_alist) | |
6584 | char *format; | |
6585 | va_dcl | |
6586 | #endif | |
6599da04 JM |
6587 | { |
6588 | EXECUTION_STRING *es; | |
6589 | char *temp_string; | |
f8b2ac1e JL |
6590 | #ifdef VA_FPRINTF |
6591 | va_list ap; | |
6592 | #endif | |
6599da04 JM |
6593 | |
6594 | es = get_execution_string (4000); | |
6595 | temp_string = es->string; | |
6596 | es->in_use = 1; | |
6597 | ||
f8b2ac1e JL |
6598 | VA_START (ap, format); |
6599 | #ifdef VA_SPRINTF | |
6600 | VA_SPRINTF (temp_string, format, ap); | |
6601 | #else | |
6602 | sprintf (temp_string, format, a1, a2, a3, a4, a5, a6, a7, a8); | |
6603 | #endif /* not VA_SPRINTF */ | |
6604 | va_end (ap); | |
6599da04 JM |
6605 | |
6606 | pushfile (); | |
6607 | input_text_offset = 0; | |
6608 | input_text = temp_string; | |
f8b2ac1e | 6609 | input_filename = xstrdup (input_filename); |
6599da04 JM |
6610 | size_of_input_text = strlen (temp_string); |
6611 | ||
6612 | executing_string++; | |
6613 | reader_loop (); | |
6614 | free (input_filename); | |
6615 | ||
6616 | popfile (); | |
6617 | executing_string--; | |
6618 | es->in_use = 0; | |
6619 | } | |
6620 | ||
6621 | ||
6622 | /* Return what would be output for STR, i.e., expand Texinfo commands. | |
6623 | If IMPLICIT_CODE is set, expand @code{STR}. */ | |
6624 | ||
6625 | char * | |
6626 | expansion (str, implicit_code) | |
6627 | char *str; | |
6628 | int implicit_code; | |
6629 | { | |
6630 | int length; | |
6631 | char *result; | |
6632 | ||
6633 | /* Inhibit any real output. */ | |
6634 | int start = output_paragraph_offset; | |
6635 | int saved_paragraph_is_open = paragraph_is_open; | |
6636 | ||
6637 | inhibit_output_flushing (); | |
f8b2ac1e | 6638 | paragraph_is_open = 1; |
6599da04 JM |
6639 | execute_string (implicit_code ? "@code{%s}" : "%s", str); |
6640 | uninhibit_output_flushing (); | |
6641 | ||
6642 | /* Copy the expansion from the buffer. */ | |
6643 | length = output_paragraph_offset - start; | |
6644 | result = xmalloc (1 + length); | |
6645 | memcpy (result, (char *) (output_paragraph + start), length); | |
6646 | result[length] = 0; | |
6647 | ||
6648 | /* Pretend it never happened. */ | |
6649 | output_paragraph_offset = start; | |
6650 | paragraph_is_open = saved_paragraph_is_open; | |
6651 | ||
6652 | return result; | |
6653 | } | |
6654 | \f | |
6655 | /* @itemx, @item. */ | |
6656 | ||
6657 | static int itemx_flag = 0; | |
6658 | ||
6659 | void | |
6660 | cm_itemx () | |
6661 | { | |
6662 | itemx_flag++; | |
6663 | cm_item (); | |
6664 | itemx_flag--; | |
6665 | } | |
6666 | ||
6667 | void | |
6668 | cm_item () | |
6669 | { | |
6670 | char *rest_of_line, *item_func; | |
6671 | ||
6672 | /* Can only hack "@item" while inside of an insertion. */ | |
6673 | if (insertion_level) | |
6674 | { | |
6675 | INSERTION_ELT *stack = insertion_stack; | |
6676 | int original_input_text_offset; | |
6677 | ||
6678 | skip_whitespace (); | |
6679 | original_input_text_offset = input_text_offset; | |
6680 | ||
6681 | get_rest_of_line (&rest_of_line); | |
6599da04 JM |
6682 | item_func = current_item_function (); |
6683 | ||
6684 | /* Okay, do the right thing depending on which insertion function | |
f8b2ac1e | 6685 | is active. */ |
6599da04 JM |
6686 | |
6687 | switch_top: | |
6688 | switch (stack->insertion) | |
f8b2ac1e JL |
6689 | { |
6690 | case multitable: | |
6691 | multitable_item (); | |
6692 | /* Ultra special hack. It appears that some people incorrectly | |
6693 | place text directly after the @item, instead of on a new line | |
6694 | by itself. This happens to work in TeX, so I make it work | |
6695 | here. */ | |
6696 | if (*rest_of_line) | |
6697 | { | |
6698 | line_number--; | |
6699 | input_text_offset = original_input_text_offset; | |
6700 | } | |
6701 | break; | |
6702 | ||
6703 | case ifinfo: | |
6704 | case ifset: | |
6705 | case ifclear: | |
6706 | case cartouche: | |
6707 | stack = stack->next; | |
6708 | if (!stack) | |
6709 | goto no_insertion; | |
6710 | else | |
6711 | goto switch_top; | |
6712 | break; | |
6713 | ||
6714 | case menu: | |
6715 | case quotation: | |
6716 | case example: | |
6717 | case smallexample: | |
6718 | case lisp: | |
6719 | case format: | |
6720 | case display: | |
6721 | case group: | |
6722 | line_error (_("The `%c%s' command is meaningless within a `@%s' block"), | |
6723 | COMMAND_PREFIX, command, | |
6724 | insertion_type_pname (current_insertion_type ())); | |
6725 | break; | |
6726 | ||
6727 | case itemize: | |
6728 | case enumerate: | |
6729 | if (itemx_flag) | |
6730 | { | |
6731 | line_error (_("%citemx is not meaningful inside of a `%s' block"), | |
6732 | COMMAND_PREFIX, | |
6733 | insertion_type_pname (current_insertion_type ())); | |
6734 | } | |
6735 | else | |
6736 | { | |
6737 | start_paragraph (); | |
6738 | kill_self_indent (-1); | |
6739 | filling_enabled = indented_fill = 1; | |
6740 | ||
6741 | if (current_insertion_type () == itemize) | |
6742 | { | |
6743 | indent (output_column = current_indent - 2); | |
6744 | ||
6745 | /* I need some way to determine whether this command | |
6746 | takes braces or not. I believe the user can type | |
6747 | either "@bullet" or "@bullet{}". Of course, they | |
6748 | can also type "o" or "#" or whatever else they want. */ | |
6749 | if (item_func && *item_func) | |
6750 | { | |
6751 | if (*item_func == COMMAND_PREFIX) | |
6752 | if (item_func[strlen (item_func) - 1] != '}') | |
6753 | execute_string ("%s{}", item_func); | |
6754 | else | |
6755 | execute_string ("%s", item_func); | |
6756 | else | |
6757 | execute_string ("%s", item_func); | |
6758 | } | |
6759 | insert (' '); | |
6760 | output_column++; | |
6761 | } | |
6762 | else | |
6763 | enumerate_item (); | |
6764 | ||
6765 | /* Special hack. This makes `close_paragraph' a no-op until | |
6766 | `start_paragraph' has been called. */ | |
6767 | must_start_paragraph = 1; | |
6768 | ||
6769 | /* Handle text directly after the @item. */ | |
6770 | if (*rest_of_line) | |
6771 | { | |
6772 | line_number--; | |
6773 | input_text_offset = original_input_text_offset; | |
6774 | } | |
6775 | } | |
6776 | break; | |
6777 | ||
6778 | case table: | |
6779 | case ftable: | |
6780 | case vtable: | |
6781 | { | |
6782 | /* We need this to determine if we have two @item's in a row | |
6783 | (see test just below). */ | |
6784 | static int last_item_output_position = 0; | |
6785 | ||
6786 | /* Get rid of extra characters. */ | |
6787 | kill_self_indent (-1); | |
6788 | ||
6789 | /* If we have one @item followed directly by another @item, | |
6790 | we need to insert a blank line. This is not true for | |
6791 | @itemx, though. */ | |
6792 | if (!itemx_flag && last_item_output_position == output_position) | |
6793 | insert ('\n'); | |
6794 | ||
6795 | /* `close_paragraph' almost does what we want. The problem | |
6796 | is when paragraph_is_open, and last_char_was_newline, and | |
6797 | the last newline has been turned into a space, because | |
6798 | filling_enabled. I handle it here. */ | |
6799 | if (last_char_was_newline && filling_enabled && paragraph_is_open) | |
6800 | insert ('\n'); | |
6801 | close_paragraph (); | |
6599da04 JM |
6802 | |
6803 | #if defined (INDENT_PARAGRAPHS_IN_TABLE) | |
f8b2ac1e JL |
6804 | /* Indent on a new line, but back up one indentation level. */ |
6805 | { | |
6806 | int save = inhibit_paragraph_indentation; | |
6807 | inhibit_paragraph_indentation = 1; | |
6808 | /* At this point, inserting any non-whitespace character will | |
6809 | force the existing indentation to be output. */ | |
6810 | add_char ('i'); | |
6811 | inhibit_paragraph_indentation = save; | |
6812 | } | |
6599da04 | 6813 | #else /* !INDENT_PARAGRAPHS_IN_TABLE */ |
f8b2ac1e | 6814 | add_char ('i'); |
6599da04 JM |
6815 | #endif /* !INDENT_PARAGRAPHS_IN_TABLE */ |
6816 | ||
f8b2ac1e JL |
6817 | output_paragraph_offset--; |
6818 | kill_self_indent (default_indentation_increment + 1); | |
6819 | ||
6820 | /* Add item's argument to the line. */ | |
6821 | filling_enabled = 0; | |
6822 | if (item_func && *item_func) | |
6823 | execute_string ("%s{%s}", item_func, rest_of_line); | |
6824 | else | |
6825 | execute_string ("%s", rest_of_line); | |
6826 | ||
6827 | if (current_insertion_type () == ftable) | |
6828 | execute_string ("%cfindex %s\n", COMMAND_PREFIX, rest_of_line); | |
6829 | else if (current_insertion_type () == vtable) | |
6830 | execute_string ("%cvindex %s\n", COMMAND_PREFIX, rest_of_line); | |
6831 | ||
6832 | /* Start a new line, and let start_paragraph () | |
6833 | do the indenting of it for you. */ | |
6834 | close_single_paragraph (); | |
6835 | indented_fill = filling_enabled = 1; | |
6836 | last_item_output_position = output_position; | |
6837 | } | |
6838 | } | |
6599da04 JM |
6839 | free (rest_of_line); |
6840 | } | |
6841 | else | |
6842 | { | |
6843 | no_insertion: | |
f8b2ac1e JL |
6844 | line_error (_("%c%s found outside of an insertion block"), |
6845 | COMMAND_PREFIX, command); | |
6599da04 JM |
6846 | } |
6847 | } | |
6848 | \f | |
6849 | /* **************************************************************** */ | |
f8b2ac1e JL |
6850 | /* */ |
6851 | /* Defun and Friends */ | |
6852 | /* */ | |
6599da04 JM |
6853 | /* **************************************************************** */ |
6854 | ||
f8b2ac1e JL |
6855 | #define DEFUN_SELF_DELIMITING(c) \ |
6856 | (((c) == '(') \ | |
6857 | || ((c) == ')') \ | |
6858 | || ((c) == '[') \ | |
6599da04 JM |
6859 | || ((c) == ']')) |
6860 | ||
6861 | struct token_accumulator | |
6862 | { | |
6863 | unsigned int length; | |
6864 | unsigned int index; | |
6865 | char **tokens; | |
6866 | }; | |
6867 | ||
6868 | void | |
6869 | initialize_token_accumulator (accumulator) | |
6870 | struct token_accumulator *accumulator; | |
6871 | { | |
6872 | (accumulator->length) = 0; | |
6873 | (accumulator->index) = 0; | |
6874 | (accumulator->tokens) = NULL; | |
6875 | } | |
6876 | ||
6877 | void | |
6878 | accumulate_token (accumulator, token) | |
6879 | struct token_accumulator *accumulator; | |
6880 | char *token; | |
6881 | { | |
6882 | if ((accumulator->index) >= (accumulator->length)) | |
6883 | { | |
6884 | (accumulator->length) += 10; | |
6885 | (accumulator->tokens) = (char **) xrealloc | |
f8b2ac1e | 6886 | (accumulator->tokens, (accumulator->length * sizeof (char *))); |
6599da04 JM |
6887 | } |
6888 | accumulator->tokens[accumulator->index] = token; | |
6889 | accumulator->index += 1; | |
6890 | } | |
6891 | ||
6892 | char * | |
6893 | copy_substring (start, end) | |
6894 | char *start; | |
6895 | char *end; | |
6896 | { | |
6897 | char *result, *scan, *scan_result; | |
6898 | ||
6899 | result = (char *) xmalloc ((end - start) + 1); | |
6900 | scan_result = result; | |
6901 | scan = start; | |
6902 | ||
6903 | while (scan < end) | |
6904 | *scan_result++ = *scan++; | |
6905 | ||
f8b2ac1e | 6906 | *scan_result = 0; |
6599da04 JM |
6907 | return (result); |
6908 | } | |
6909 | ||
6910 | /* Given `string' pointing at an open brace, skip forward and return a | |
6911 | pointer to just past the matching close brace. */ | |
6912 | int | |
6913 | scan_group_in_string (string_pointer) | |
6914 | char **string_pointer; | |
6915 | { | |
6916 | register int c; | |
6917 | register char *scan_string; | |
6918 | register unsigned int level = 1; | |
6919 | ||
6920 | scan_string = (*string_pointer) + 1; | |
6921 | ||
6922 | while (1) | |
6923 | { | |
6924 | if (level == 0) | |
f8b2ac1e JL |
6925 | { |
6926 | (*string_pointer) = scan_string; | |
6927 | return (1); | |
6928 | } | |
6599da04 | 6929 | c = (*scan_string++); |
f8b2ac1e JL |
6930 | if (c == 0) |
6931 | { | |
6932 | /* Tweak line_number to compensate for fact that | |
6933 | we gobbled the whole line before coming here. */ | |
6934 | line_number -= 1; | |
6935 | line_error (_("Missing `}' in %cdef arg"), COMMAND_PREFIX); | |
6936 | line_number += 1; | |
6937 | (*string_pointer) = (scan_string - 1); | |
6938 | return (0); | |
6939 | } | |
6599da04 | 6940 | if (c == '{') |
f8b2ac1e | 6941 | level += 1; |
6599da04 | 6942 | if (c == '}') |
f8b2ac1e | 6943 | level -= 1; |
6599da04 JM |
6944 | } |
6945 | } | |
6946 | ||
6947 | /* Return a list of tokens from the contents of `string'. | |
6948 | Commands and brace-delimited groups count as single tokens. | |
6949 | Contiguous whitespace characters are converted to a token | |
6950 | consisting of a single space. */ | |
6951 | char ** | |
6952 | args_from_string (string) | |
6953 | char *string; | |
6954 | { | |
6955 | struct token_accumulator accumulator; | |
6956 | register char *scan_string = string; | |
6957 | char *token_start, *token_end; | |
6958 | ||
6959 | initialize_token_accumulator (&accumulator); | |
6960 | ||
f8b2ac1e | 6961 | while ((*scan_string) != 0) |
6599da04 JM |
6962 | { |
6963 | /* Replace arbitrary whitespace by a single space. */ | |
6964 | if (whitespace (*scan_string)) | |
f8b2ac1e JL |
6965 | { |
6966 | scan_string += 1; | |
6967 | while (whitespace (*scan_string)) | |
6968 | scan_string += 1; | |
6969 | accumulate_token ((&accumulator), (xstrdup (" "))); | |
6970 | continue; | |
6971 | } | |
6599da04 JM |
6972 | |
6973 | /* Commands count as single tokens. */ | |
6974 | if ((*scan_string) == COMMAND_PREFIX) | |
f8b2ac1e JL |
6975 | { |
6976 | token_start = scan_string; | |
6977 | scan_string += 1; | |
6978 | if (self_delimiting (*scan_string)) | |
6979 | scan_string += 1; | |
6980 | else | |
6981 | { | |
6982 | register int c; | |
6983 | while (1) | |
6984 | { | |
6985 | c = *scan_string++; | |
6986 | ||
6987 | if ((c == 0) || (c == '{') || (whitespace (c))) | |
6988 | { | |
6989 | scan_string -= 1; | |
6990 | break; | |
6991 | } | |
6992 | } | |
6993 | ||
6994 | if (*scan_string == '{') | |
6995 | { | |
6996 | char *s = scan_string; | |
6997 | (void) scan_group_in_string (&s); | |
6998 | scan_string = s; | |
6999 | } | |
7000 | } | |
7001 | token_end = scan_string; | |
7002 | } | |
6599da04 JM |
7003 | |
7004 | /* Parentheses and brackets are self-delimiting. */ | |
7005 | else if (DEFUN_SELF_DELIMITING (*scan_string)) | |
f8b2ac1e JL |
7006 | { |
7007 | token_start = scan_string; | |
7008 | scan_string += 1; | |
7009 | token_end = scan_string; | |
7010 | } | |
6599da04 JM |
7011 | |
7012 | /* Open brace introduces a group that is a single token. */ | |
7013 | else if (*scan_string == '{') | |
f8b2ac1e JL |
7014 | { |
7015 | char *s = scan_string; | |
7016 | int balanced = scan_group_in_string (&s); | |
6599da04 | 7017 | |
f8b2ac1e JL |
7018 | token_start = scan_string + 1; |
7019 | scan_string = s; | |
7020 | token_end = balanced ? (scan_string - 1) : scan_string; | |
7021 | } | |
6599da04 JM |
7022 | |
7023 | /* Otherwise a token is delimited by whitespace, parentheses, | |
f8b2ac1e | 7024 | brackets, or braces. A token is also ended by a command. */ |
6599da04 | 7025 | else |
f8b2ac1e JL |
7026 | { |
7027 | token_start = scan_string; | |
6599da04 | 7028 | |
f8b2ac1e JL |
7029 | while (1) |
7030 | { | |
7031 | register int c; | |
6599da04 | 7032 | |
f8b2ac1e | 7033 | c = *scan_string++; |
6599da04 JM |
7034 | |
7035 | /* Do not back up if we're looking at a }; since the only | |
7036 | valid }'s are those matched with {'s, we want to give | |
7037 | an error. If we back up, we go into an infinite loop. */ | |
f8b2ac1e JL |
7038 | if (!c || whitespace (c) || DEFUN_SELF_DELIMITING (c) |
7039 | || c == '{') | |
7040 | { | |
7041 | scan_string--; | |
7042 | break; | |
7043 | } | |
7044 | ||
7045 | /* If we encounter a command embedded within a token, | |
7046 | then end the token. */ | |
7047 | if (c == COMMAND_PREFIX) | |
7048 | { | |
7049 | scan_string--; | |
7050 | break; | |
7051 | } | |
7052 | } | |
7053 | token_end = scan_string; | |
7054 | } | |
6599da04 JM |
7055 | |
7056 | accumulate_token | |
f8b2ac1e | 7057 | (&accumulator, copy_substring (token_start, token_end)); |
6599da04 JM |
7058 | } |
7059 | accumulate_token (&accumulator, NULL); | |
7060 | return (accumulator.tokens); | |
7061 | } | |
7062 | ||
7063 | void | |
7064 | process_defun_args (defun_args, auto_var_p) | |
7065 | char **defun_args; | |
7066 | int auto_var_p; | |
7067 | { | |
7068 | int pending_space = 0; | |
7069 | ||
7070 | while (1) | |
7071 | { | |
7072 | char *defun_arg = *defun_args++; | |
7073 | ||
7074 | if (defun_arg == NULL) | |
f8b2ac1e | 7075 | break; |
6599da04 JM |
7076 | |
7077 | if (defun_arg[0] == ' ') | |
f8b2ac1e JL |
7078 | { |
7079 | pending_space = 1; | |
7080 | continue; | |
7081 | } | |
6599da04 JM |
7082 | |
7083 | if (pending_space) | |
f8b2ac1e JL |
7084 | { |
7085 | add_char (' '); | |
7086 | pending_space = 0; | |
7087 | } | |
6599da04 JM |
7088 | |
7089 | if (DEFUN_SELF_DELIMITING (defun_arg[0])) | |
f8b2ac1e | 7090 | add_char (defun_arg[0]); |
6599da04 | 7091 | else if (defun_arg[0] == '&') |
f8b2ac1e | 7092 | add_word (defun_arg); |
6599da04 | 7093 | else if (defun_arg[0] == COMMAND_PREFIX) |
f8b2ac1e | 7094 | execute_string ("%s", defun_arg); |
6599da04 | 7095 | else if (auto_var_p) |
f8b2ac1e | 7096 | execute_string ("%cvar{%s}", COMMAND_PREFIX, defun_arg); |
6599da04 | 7097 | else |
f8b2ac1e | 7098 | add_word (defun_arg); |
6599da04 JM |
7099 | } |
7100 | } | |
7101 | ||
7102 | char * | |
7103 | next_nonwhite_defun_arg (arg_pointer) | |
7104 | char ***arg_pointer; | |
7105 | { | |
7106 | char **scan = (*arg_pointer); | |
7107 | char *arg = (*scan++); | |
7108 | ||
7109 | if ((arg != 0) && (*arg == ' ')) | |
7110 | arg = *scan++; | |
7111 | ||
7112 | if (arg == 0) | |
7113 | scan -= 1; | |
7114 | ||
7115 | *arg_pointer = scan; | |
7116 | ||
7117 | return ((arg == 0) ? "" : arg); | |
7118 | } | |
7119 | ||
7120 | /* Make the defun type insertion. | |
7121 | TYPE says which insertion this is. | |
f8b2ac1e | 7122 | X_P, if nonzero, says not to start a new insertion. */ |
6599da04 JM |
7123 | void |
7124 | defun_internal (type, x_p) | |
7125 | enum insertion_type type; | |
7126 | int x_p; | |
7127 | { | |
7128 | enum insertion_type base_type; | |
7129 | char **defun_args, **scan_args; | |
7130 | char *category, *defined_name, *type_name, *type_name2; | |
7131 | ||
7132 | { | |
7133 | char *line; | |
7134 | get_rest_of_line (&line); | |
7135 | defun_args = (args_from_string (line)); | |
7136 | free (line); | |
7137 | } | |
7138 | ||
7139 | scan_args = defun_args; | |
7140 | ||
7141 | switch (type) | |
7142 | { | |
7143 | case defun: | |
f8b2ac1e | 7144 | category = _("Function"); |
6599da04 JM |
7145 | base_type = deffn; |
7146 | break; | |
7147 | case defmac: | |
f8b2ac1e | 7148 | category = _("Macro"); |
6599da04 JM |
7149 | base_type = deffn; |
7150 | break; | |
7151 | case defspec: | |
f8b2ac1e | 7152 | category = _("Special Form"); |
6599da04 JM |
7153 | base_type = deffn; |
7154 | break; | |
7155 | case defvar: | |
f8b2ac1e | 7156 | category = _("Variable"); |
6599da04 JM |
7157 | base_type = defvr; |
7158 | break; | |
7159 | case defopt: | |
f8b2ac1e | 7160 | category = _("User Option"); |
6599da04 JM |
7161 | base_type = defvr; |
7162 | break; | |
7163 | case deftypefun: | |
f8b2ac1e | 7164 | category = _("Function"); |
6599da04 JM |
7165 | base_type = deftypefn; |
7166 | break; | |
7167 | case deftypevar: | |
f8b2ac1e | 7168 | category = _("Variable"); |
6599da04 JM |
7169 | base_type = deftypevr; |
7170 | break; | |
7171 | case defivar: | |
f8b2ac1e | 7172 | category = _("Instance Variable"); |
6599da04 JM |
7173 | base_type = defcv; |
7174 | break; | |
7175 | case defmethod: | |
f8b2ac1e | 7176 | category = _("Method"); |
6599da04 JM |
7177 | base_type = defop; |
7178 | break; | |
7179 | case deftypemethod: | |
f8b2ac1e | 7180 | category = _("Method"); |
6599da04 JM |
7181 | base_type = deftypemethod; |
7182 | break; | |
7183 | default: | |
7184 | category = next_nonwhite_defun_arg (&scan_args); | |
7185 | base_type = type; | |
7186 | break; | |
7187 | } | |
7188 | ||
7189 | if ((base_type == deftypefn) | |
7190 | || (base_type == deftypevr) | |
7191 | || (base_type == defcv) | |
7192 | || (base_type == defop) | |
7193 | || (base_type == deftypemethod)) | |
7194 | type_name = next_nonwhite_defun_arg (&scan_args); | |
7195 | ||
7196 | if (base_type == deftypemethod) | |
7197 | type_name2 = next_nonwhite_defun_arg (&scan_args); | |
7198 | ||
7199 | defined_name = next_nonwhite_defun_arg (&scan_args); | |
7200 | ||
7201 | /* This hack exists solely for the purposes of formatting the texinfo | |
7202 | manual. I couldn't think of a better way. The token might be | |
7203 | a simple @@ followed immediately by more text. If this is the case, | |
7204 | then the next defun arg is part of this one, and we should concatenate | |
7205 | them. */ | |
7206 | if (*scan_args && **scan_args && !whitespace (**scan_args) && | |
7207 | (strcmp (defined_name, "@@") == 0)) | |
7208 | { | |
7209 | char *tem = (char *)xmalloc (3 + strlen (scan_args[0])); | |
7210 | ||
7211 | sprintf (tem, "@@%s", scan_args[0]); | |
7212 | ||
7213 | free (scan_args[0]); | |
7214 | scan_args[0] = tem; | |
7215 | scan_args++; | |
7216 | defined_name = tem; | |
7217 | } | |
7218 | ||
7219 | if (!x_p) | |
7220 | begin_insertion (type); | |
7221 | ||
7222 | /* Write the definition header line. | |
7223 | This should start at the normal indentation. */ | |
7224 | current_indent -= default_indentation_increment; | |
7225 | start_paragraph (); | |
7226 | ||
7227 | switch (base_type) | |
7228 | { | |
7229 | case deffn: | |
7230 | case defvr: | |
7231 | case deftp: | |
7232 | execute_string (" -- %s: %s", category, defined_name); | |
7233 | break; | |
7234 | case deftypefn: | |
7235 | case deftypevr: | |
7236 | execute_string (" -- %s: %s %s", category, type_name, defined_name); | |
7237 | break; | |
7238 | case defcv: | |
7239 | execute_string (" -- %s of %s: %s", category, type_name, defined_name); | |
7240 | break; | |
7241 | case defop: | |
7242 | execute_string (" -- %s on %s: %s", category, type_name, defined_name); | |
7243 | break; | |
7244 | case deftypemethod: | |
7245 | execute_string (" -- %s on %s: %s %s", category, type_name, type_name2, | |
f8b2ac1e | 7246 | defined_name); |
6599da04 JM |
7247 | break; |
7248 | } | |
7249 | current_indent += default_indentation_increment; | |
7250 | ||
7251 | /* Now process the function arguments, if any. | |
7252 | If these carry onto the next line, they should be indented by two | |
7253 | increments to distinguish them from the body of the definition, | |
7254 | which is indented by one increment. */ | |
7255 | current_indent += default_indentation_increment; | |
7256 | ||
7257 | switch (base_type) | |
7258 | { | |
7259 | case deffn: | |
7260 | case defop: | |
7261 | process_defun_args (scan_args, 1); | |
7262 | break; | |
f8b2ac1e JL |
7263 | |
7264 | /* Through Makeinfo 1.67 we processed remaining args only for deftp, | |
7265 | deftypefn, and deftypemethod. But the libc manual, for example, | |
7266 | needs to say: | |
7267 | @deftypevar {char *} tzname[2] | |
7268 | And simply allowing the extra text seems far simpler than trying | |
7269 | to invent yet more defn commands. In any case, we should either | |
7270 | output it or give an error, not silently ignore it. */ | |
7271 | default: | |
6599da04 JM |
7272 | process_defun_args (scan_args, 0); |
7273 | break; | |
7274 | } | |
7275 | current_indent -= default_indentation_increment; | |
7276 | close_single_paragraph (); | |
7277 | ||
d275726b JL |
7278 | /* Make an entry in the appropriate index. */ |
7279 | switch (base_type) | |
7280 | { | |
7281 | case deffn: | |
7282 | case deftypefn: | |
7283 | execute_string ("%cfindex %s\n", COMMAND_PREFIX, defined_name); | |
7284 | break; | |
7285 | case defvr: | |
7286 | case deftypevr: | |
7287 | case defcv: | |
7288 | execute_string ("%cvindex %s\n", COMMAND_PREFIX, defined_name); | |
7289 | break; | |
7290 | case defop: | |
7291 | case deftypemethod: | |
7292 | execute_string ("%cfindex %s on %s\n", | |
7293 | COMMAND_PREFIX, defined_name, type_name); | |
7294 | break; | |
7295 | case deftp: | |
7296 | execute_string ("%ctindex %s\n", COMMAND_PREFIX, defined_name); | |
7297 | break; | |
7298 | } | |
6599da04 JM |
7299 | |
7300 | /* Deallocate the token list. */ | |
7301 | scan_args = defun_args; | |
7302 | while (1) | |
7303 | { | |
7304 | char * arg = (*scan_args++); | |
7305 | if (arg == NULL) | |
f8b2ac1e | 7306 | break; |
6599da04 JM |
7307 | free (arg); |
7308 | } | |
7309 | free (defun_args); | |
7310 | } | |
7311 | ||
7312 | /* Add an entry for a function, macro, special form, variable, or option. | |
7313 | If the name of the calling command ends in `x', then this is an extra | |
7314 | entry included in the body of an insertion of the same type. */ | |
7315 | void | |
7316 | cm_defun () | |
7317 | { | |
7318 | int x_p; | |
7319 | enum insertion_type type; | |
f8b2ac1e | 7320 | char *temp = xstrdup (command); |
6599da04 JM |
7321 | |
7322 | x_p = (command[strlen (command) - 1] == 'x'); | |
7323 | ||
7324 | if (x_p) | |
f8b2ac1e | 7325 | temp[strlen (temp) - 1] = 0; |
6599da04 JM |
7326 | |
7327 | type = find_type_from_name (temp); | |
7328 | free (temp); | |
7329 | ||
7330 | /* If we are adding to an already existing insertion, then make sure | |
7331 | that we are already in an insertion of type TYPE. */ | |
7332 | if (x_p && | |
7333 | (!insertion_level || insertion_stack->insertion != type)) | |
7334 | { | |
f8b2ac1e JL |
7335 | line_error (_("Must be in a `%s' insertion in order to use `%s'x"), |
7336 | command, command); | |
6599da04 JM |
7337 | discard_until ("\n"); |
7338 | return; | |
7339 | } | |
7340 | ||
7341 | defun_internal (type, x_p); | |
7342 | } | |
7343 | \f | |
6599da04 | 7344 | /* **************************************************************** */ |
f8b2ac1e JL |
7345 | /* */ |
7346 | /* Other Random Commands */ | |
7347 | /* */ | |
6599da04 JM |
7348 | /* **************************************************************** */ |
7349 | ||
7350 | /* This says to inhibit the indentation of the next paragraph, but | |
7351 | not of following paragraphs. */ | |
7352 | void | |
7353 | cm_noindent () | |
7354 | { | |
7355 | if (!inhibit_paragraph_indentation) | |
7356 | inhibit_paragraph_indentation = -1; | |
7357 | } | |
7358 | ||
7359 | /* I don't know exactly what to do with this. Should I allow | |
7360 | someone to switch filenames in the middle of output? Since the | |
7361 | file could be partially written, this doesn't seem to make sense. | |
7362 | Another option: ignore it, since they don't *really* want to | |
7363 | switch files. Finally, complain, or at least warn. */ | |
7364 | void | |
7365 | cm_setfilename () | |
7366 | { | |
7367 | char *filename; | |
7368 | get_rest_of_line (&filename); | |
7369 | /* warning ("`@%s %s' encountered and ignored", command, filename); */ | |
7370 | free (filename); | |
7371 | } | |
7372 | ||
7373 | void | |
7374 | cm_ignore_line () | |
7375 | { | |
7376 | discard_until ("\n"); | |
7377 | } | |
7378 | ||
7379 | /* @br can be immediately followed by `{}', so we have to read those here. | |
7380 | It should simply close the paragraph. */ | |
7381 | void | |
7382 | cm_br () | |
7383 | { | |
7384 | if (looking_at ("{}")) | |
7385 | input_text_offset += 2; | |
7386 | ||
7387 | if (curchar () == '\n') | |
7388 | { | |
7389 | input_text_offset++; | |
7390 | line_number++; | |
7391 | } | |
7392 | ||
7393 | close_paragraph (); | |
7394 | } | |
7395 | ||
7396 | /* Insert the number of blank lines passed as argument. */ | |
7397 | void | |
7398 | cm_sp () | |
7399 | { | |
7400 | int lines; | |
7401 | char *line; | |
7402 | ||
7403 | get_rest_of_line (&line); | |
7404 | ||
7405 | if (sscanf (line, "%d", &lines) != 1) | |
7406 | { | |
f8b2ac1e | 7407 | line_error (_("%csp requires a positive numeric argument"), COMMAND_PREFIX); |
6599da04 JM |
7408 | } |
7409 | else | |
7410 | { | |
7411 | if (lines < 0) | |
f8b2ac1e | 7412 | lines = 0; |
6599da04 JM |
7413 | |
7414 | while (lines--) | |
f8b2ac1e | 7415 | add_char ('\n'); |
6599da04 JM |
7416 | } |
7417 | free (line); | |
7418 | } | |
7419 | ||
7420 | /* @dircategory LINE outputs INFO-DIR-SECTION LINE, | |
7421 | but not if --no-headers. */ | |
7422 | ||
7423 | void | |
7424 | cm_dircategory () | |
7425 | { | |
f8b2ac1e | 7426 | char *line; |
6599da04 JM |
7427 | |
7428 | get_rest_of_line (&line);; | |
7429 | ||
f8b2ac1e | 7430 | if (!no_headers) |
6599da04 JM |
7431 | { |
7432 | insert_string ("INFO-DIR-SECTION "); | |
7433 | insert_string (line); | |
7434 | insert ('\n'); | |
7435 | } | |
7436 | ||
7437 | free (line); | |
7438 | } | |
7439 | ||
7440 | /* Start a new line with just this text on it. | |
7441 | Then center the line of text. | |
7442 | This always ends the current paragraph. */ | |
7443 | void | |
7444 | cm_center () | |
7445 | { | |
7446 | register int i, start, length; | |
7447 | int fudge_factor = 1; | |
7448 | unsigned char *line; | |
7449 | ||
7450 | close_paragraph (); | |
7451 | filling_enabled = indented_fill = 0; | |
7452 | cm_noindent (); | |
7453 | start = output_paragraph_offset; | |
7454 | inhibit_output_flushing (); | |
7455 | get_rest_of_line ((char **)&line); | |
7456 | execute_string ("%s", (char *)line); | |
7457 | free (line); | |
7458 | uninhibit_output_flushing (); | |
7459 | ||
7460 | i = output_paragraph_offset - 1; | |
7461 | while (i > (start - 1) && output_paragraph[i] == '\n') | |
f8b2ac1e | 7462 | i--; |
6599da04 JM |
7463 | |
7464 | output_paragraph_offset = ++i; | |
7465 | length = output_paragraph_offset - start; | |
7466 | ||
7467 | if (length < (fill_column - fudge_factor)) | |
7468 | { | |
7469 | line = (unsigned char *)xmalloc (1 + length); | |
7470 | memcpy (line, (char *)(output_paragraph + start), length); | |
7471 | ||
7472 | i = (fill_column - fudge_factor - length) / 2; | |
7473 | output_paragraph_offset = start; | |
7474 | ||
7475 | while (i--) | |
f8b2ac1e | 7476 | insert (' '); |
6599da04 JM |
7477 | |
7478 | for (i = 0; i < length; i++) | |
f8b2ac1e | 7479 | insert (line[i]); |
6599da04 JM |
7480 | |
7481 | free (line); | |
7482 | } | |
7483 | ||
7484 | insert ('\n'); | |
7485 | close_paragraph (); | |
7486 | filling_enabled = 1; | |
7487 | } | |
7488 | ||
7489 | /* Show what an expression returns. */ | |
7490 | void | |
7491 | cm_result (arg) | |
7492 | int arg; | |
7493 | { | |
7494 | if (arg == END) | |
7495 | add_word ("=>"); | |
7496 | } | |
7497 | ||
7498 | /* What an expression expands to. */ | |
7499 | void | |
7500 | cm_expansion (arg) | |
7501 | int arg; | |
7502 | { | |
7503 | if (arg == END) | |
7504 | add_word ("==>"); | |
7505 | } | |
7506 | ||
7507 | /* Indicates two expressions are equivalent. */ | |
7508 | void | |
7509 | cm_equiv (arg) | |
7510 | int arg; | |
7511 | { | |
7512 | if (arg == END) | |
7513 | add_word ("=="); | |
7514 | } | |
7515 | ||
7516 | /* What an expression may print. */ | |
7517 | void | |
7518 | cm_print (arg) | |
7519 | int arg; | |
7520 | { | |
7521 | if (arg == END) | |
7522 | add_word ("-|"); | |
7523 | } | |
7524 | ||
7525 | /* An error signaled. */ | |
7526 | void | |
7527 | cm_error (arg) | |
7528 | int arg; | |
7529 | { | |
7530 | if (arg == END) | |
7531 | add_word ("error-->"); | |
7532 | } | |
7533 | ||
7534 | /* The location of point in an example of a buffer. */ | |
7535 | void | |
7536 | cm_point (arg) | |
7537 | int arg; | |
7538 | { | |
7539 | if (arg == END) | |
7540 | add_word ("-!-"); | |
7541 | } | |
7542 | ||
7543 | /* Start a new line with just this text on it. | |
7544 | The text is outdented one level if possible. */ | |
7545 | void | |
7546 | cm_exdent () | |
7547 | { | |
7548 | char *line; | |
7549 | int i = current_indent; | |
7550 | ||
7551 | if (current_indent) | |
7552 | current_indent -= default_indentation_increment; | |
7553 | ||
7554 | get_rest_of_line (&line); | |
7555 | close_single_paragraph (); | |
7556 | execute_string ("%s", line); | |
7557 | current_indent = i; | |
7558 | free (line); | |
7559 | close_single_paragraph (); | |
7560 | } | |
7561 | ||
6599da04 JM |
7562 | |
7563 | /* Remember this file, and move onto the next. */ | |
7564 | void | |
7565 | cm_include () | |
7566 | { | |
7567 | char *filename; | |
7568 | ||
7569 | #if defined (HAVE_MACROS) | |
d275726b | 7570 | if (macro_expansion_output_stream && !executing_string) |
6599da04 JM |
7571 | me_append_before_this_command (); |
7572 | #endif /* HAVE_MACROS */ | |
7573 | ||
7574 | close_paragraph (); | |
7575 | get_rest_of_line (&filename); | |
7576 | ||
7577 | #if defined (HAVE_MACROS) | |
d275726b | 7578 | if (macro_expansion_output_stream && !executing_string) |
6599da04 JM |
7579 | remember_itext (input_text, input_text_offset); |
7580 | #endif /* HAVE_MACROS */ | |
7581 | ||
7582 | pushfile (); | |
7583 | ||
7584 | /* In verbose mode we print info about including another file. */ | |
7585 | if (verbose_mode) | |
7586 | { | |
7587 | register int i = 0; | |
7588 | register FSTACK *stack = filestack; | |
7589 | ||
7590 | for (i = 0, stack = filestack; stack; stack = stack->next, i++); | |
7591 | ||
7592 | i *= 2; | |
7593 | ||
7594 | printf ("%*s", i, ""); | |
7595 | printf ("%c%s %s\n", COMMAND_PREFIX, command, filename); | |
7596 | fflush (stdout); | |
7597 | } | |
7598 | ||
7599 | if (!find_and_load (filename)) | |
7600 | { | |
7601 | extern int errno; | |
7602 | ||
7603 | popfile (); | |
7604 | line_number--; | |
7605 | ||
7606 | /* Cannot "@include foo", in line 5 of "/wh/bar". */ | |
f8b2ac1e JL |
7607 | line_error ("%c%s %s: %s", COMMAND_PREFIX, command, filename, |
7608 | strerror (errno)); | |
6599da04 JM |
7609 | |
7610 | free (filename); | |
7611 | return; | |
7612 | } | |
7613 | else | |
7614 | { | |
7615 | #if defined (HAVE_MACROS) | |
d275726b | 7616 | if (macro_expansion_output_stream && !executing_string) |
f8b2ac1e | 7617 | remember_itext (input_text, input_text_offset); |
6599da04 JM |
7618 | #endif /* HAVE_MACROS */ |
7619 | reader_loop (); | |
7620 | } | |
7621 | free (filename); | |
7622 | popfile (); | |
7623 | } | |
7624 | ||
7625 | /* The other side of a malformed expression. */ | |
7626 | void | |
7627 | misplaced_brace () | |
7628 | { | |
f8b2ac1e | 7629 | line_error (_("Misplaced %c"), '}'); |
6599da04 JM |
7630 | } |
7631 | ||
7632 | /* Signals end of processing. Easy to make this happen. */ | |
7633 | void | |
7634 | cm_bye () | |
7635 | { | |
7636 | input_text_offset = size_of_input_text; | |
7637 | } | |
f8b2ac1e JL |
7638 | |
7639 | /* Set the paragraph indentation variable to the value specified in STRING. | |
7640 | Values can be: | |
7641 | `asis': Don't change existing indentation. | |
7642 | `none': Remove existing indentation. | |
7643 | NUM: Indent NUM spaces at the starts of paragraphs. | |
7644 | If NUM is zero, we assume `none'. | |
7645 | Returns 0 if successful, or nonzero if STRING isn't one of the above. */ | |
7646 | int | |
7647 | set_paragraph_indent (string) | |
7648 | char *string; | |
7649 | { | |
7650 | if (strcmp (string, "asis") == 0 || strcmp (string, _("asis")) == 0) | |
7651 | paragraph_start_indent = 0; | |
7652 | else if (strcmp (string, "none") == 0 || strcmp (string, _("none")) == 0) | |
7653 | paragraph_start_indent = -1; | |
7654 | else | |
7655 | { | |
7656 | if (sscanf (string, "%d", ¶graph_start_indent) != 1) | |
7657 | return (-1); | |
7658 | else | |
7659 | { | |
7660 | if (paragraph_start_indent == 0) | |
7661 | paragraph_start_indent = -1; | |
7662 | } | |
7663 | } | |
7664 | return (0); | |
7665 | } | |
7666 | ||
7667 | void | |
7668 | cm_paragraphindent () | |
7669 | { | |
7670 | char *arg; | |
7671 | ||
7672 | get_rest_of_line (&arg); | |
7673 | if (set_paragraph_indent (arg) != 0) | |
7674 | line_error (_("Bad argument to %c%s"), COMMAND_PREFIX, command); | |
7675 | ||
7676 | free (arg); | |
7677 | } | |
6599da04 JM |
7678 | \f |
7679 | /* **************************************************************** */ | |
f8b2ac1e JL |
7680 | /* */ |
7681 | /* Indexing Stuff */ | |
7682 | /* */ | |
6599da04 JM |
7683 | /* **************************************************************** */ |
7684 | ||
7685 | ||
7686 | /* An index element... */ | |
7687 | typedef struct index_elt | |
7688 | { | |
7689 | struct index_elt *next; | |
f8b2ac1e JL |
7690 | char *entry; /* The index entry itself. */ |
7691 | char *node; /* The node from whence it came. */ | |
7692 | int code; /* Nonzero means add `@code{...}' when | |
7693 | printing this element. */ | |
7694 | int defining_line; /* Line number where this entry was written. */ | |
7695 | char *defining_file; /* Source file for defining_line. */ | |
6599da04 JM |
7696 | } INDEX_ELT; |
7697 | ||
f8b2ac1e JL |
7698 | /* A list of short-names for each index. |
7699 | ||
7700 | There are two indices into the the_indices array. | |
7701 | ||
7702 | * read_index is the index that points to the list of index | |
7703 | entries that we will find if we ask for the list of entries for | |
7704 | this name. | |
7705 | ||
7706 | * write_index is the index that points to the list of index entries | |
7707 | that we will add new entries to. | |
7708 | ||
7709 | Initially, read_index and write index are the same, but the | |
7710 | @syncodeindex and @synindex commands can change the list we add | |
7711 | entries to. | |
7712 | ||
7713 | For example, after the commands | |
7714 | ||
7715 | @cindex foo | |
7716 | @defindex ii | |
7717 | @synindex cp ii | |
7718 | @cindex bar | |
7719 | ||
7720 | the cp index will contain the entry `foo', and the new ii | |
7721 | index will contain the entry `bar'. This is consistent with the | |
7722 | way texinfo.tex handles the same situation. | |
7723 | ||
7724 | In addition, for each index, it is remembered whether that index is | |
7725 | a code index or not. Code indices have @code{} inserted around the | |
7726 | first word when they are printed with printindex. */ | |
6599da04 JM |
7727 | typedef struct |
7728 | { | |
7729 | char *name; | |
f8b2ac1e JL |
7730 | int read_index; /* index entries for `name' */ |
7731 | int write_index; /* store index entries here, @synindex can change it */ | |
6599da04 JM |
7732 | int code; |
7733 | } INDEX_ALIST; | |
7734 | ||
7735 | INDEX_ALIST **name_index_alist = (INDEX_ALIST **) NULL; | |
7736 | ||
7737 | /* An array of pointers. Each one is for a different index. The | |
7738 | "synindex" command changes which array slot is pointed to by a | |
7739 | given "index". */ | |
7740 | INDEX_ELT **the_indices = (INDEX_ELT **) NULL; | |
7741 | ||
7742 | /* The number of defined indices. */ | |
7743 | int defined_indices = 0; | |
7744 | ||
6599da04 JM |
7745 | void |
7746 | init_indices () | |
7747 | { | |
7748 | int i; | |
7749 | ||
7750 | /* Create the default data structures. */ | |
7751 | ||
7752 | /* Initialize data space. */ | |
7753 | if (!the_indices) | |
7754 | { | |
7755 | the_indices = (INDEX_ELT **) xmalloc ((1 + defined_indices) * | |
f8b2ac1e | 7756 | sizeof (INDEX_ELT *)); |
6599da04 JM |
7757 | the_indices[defined_indices] = (INDEX_ELT *) NULL; |
7758 | ||
7759 | name_index_alist = (INDEX_ALIST **) xmalloc ((1 + defined_indices) * | |
f8b2ac1e | 7760 | sizeof (INDEX_ALIST *)); |
6599da04 JM |
7761 | name_index_alist[defined_indices] = (INDEX_ALIST *) NULL; |
7762 | } | |
7763 | ||
7764 | /* If there were existing indices, get rid of them now. */ | |
7765 | for (i = 0; i < defined_indices; i++) | |
f8b2ac1e JL |
7766 | { |
7767 | undefindex (name_index_alist[i]->name); | |
7768 | if (name_index_alist[i]) | |
7769 | { /* Suppose we're called with two input files, and the first | |
7770 | does a @synindex pg cp. Then, when we get here to start | |
7771 | the second file, the "pg" element won't get freed by | |
7772 | undefindex (because it's pointing to "cp"). So free it | |
7773 | here; otherwise, when we try to define the pg index again | |
7774 | just below, it will still point to cp. */ | |
7775 | free (name_index_alist[i]->name); | |
7776 | free (name_index_alist[i]); | |
7777 | name_index_alist[i] = (INDEX_ALIST *) NULL; | |
7778 | } | |
7779 | } | |
6599da04 JM |
7780 | |
7781 | /* Add the default indices. */ | |
f8b2ac1e JL |
7782 | top_defindex ("cp", 0); /* cp is the only non-code index. */ |
7783 | top_defindex ("fn", 1); | |
7784 | top_defindex ("ky", 1); | |
7785 | top_defindex ("pg", 1); | |
7786 | top_defindex ("tp", 1); | |
7787 | top_defindex ("vr", 1); | |
6599da04 JM |
7788 | } |
7789 | ||
7790 | /* Find which element in the known list of indices has this name. | |
7791 | Returns -1 if NAME isn't found. */ | |
7792 | int | |
7793 | find_index_offset (name) | |
7794 | char *name; | |
7795 | { | |
7796 | register int i; | |
7797 | for (i = 0; i < defined_indices; i++) | |
7798 | if (name_index_alist[i] && | |
f8b2ac1e JL |
7799 | strcmp (name, name_index_alist[i]->name) == 0) |
7800 | return (i); | |
6599da04 JM |
7801 | return (-1); |
7802 | } | |
7803 | ||
7804 | /* Return a pointer to the entry of (name . index) for this name. | |
7805 | Return NULL if the index doesn't exist. */ | |
7806 | INDEX_ALIST * | |
7807 | find_index (name) | |
7808 | char *name; | |
7809 | { | |
7810 | int offset = find_index_offset (name); | |
7811 | if (offset > -1) | |
7812 | return (name_index_alist[offset]); | |
7813 | else | |
7814 | return ((INDEX_ALIST *) NULL); | |
7815 | } | |
7816 | ||
7817 | /* Given an index name, return the offset in the_indices of this index, | |
7818 | or -1 if there is no such index. */ | |
7819 | int | |
7820 | translate_index (name) | |
7821 | char *name; | |
7822 | { | |
7823 | INDEX_ALIST *which = find_index (name); | |
7824 | ||
7825 | if (which) | |
f8b2ac1e | 7826 | return (which->read_index); |
6599da04 JM |
7827 | else |
7828 | return (-1); | |
7829 | } | |
7830 | ||
7831 | /* Return the index list which belongs to NAME. */ | |
7832 | INDEX_ELT * | |
7833 | index_list (name) | |
7834 | char *name; | |
7835 | { | |
7836 | int which = translate_index (name); | |
7837 | if (which < 0) | |
7838 | return ((INDEX_ELT *) -1); | |
7839 | else | |
7840 | return (the_indices[which]); | |
7841 | } | |
7842 | ||
7843 | /* Please release me, let me go... */ | |
7844 | void | |
7845 | free_index (index) | |
7846 | INDEX_ELT *index; | |
7847 | { | |
7848 | INDEX_ELT *temp; | |
7849 | ||
7850 | while ((temp = index) != (INDEX_ELT *) NULL) | |
7851 | { | |
7852 | free (temp->entry); | |
f8b2ac1e JL |
7853 | /* Do not free the node, because we already freed the tag table, |
7854 | which freed all the node names. */ | |
7855 | /* free (temp->node); */ | |
6599da04 JM |
7856 | index = index->next; |
7857 | free (temp); | |
7858 | } | |
7859 | } | |
7860 | ||
f8b2ac1e JL |
7861 | /* Flush an index by name. This will delete the list of entries that |
7862 | would be written by a @printindex command for this index. */ | |
6599da04 JM |
7863 | void |
7864 | undefindex (name) | |
7865 | char *name; | |
7866 | { | |
7867 | int i; | |
7868 | int which = find_index_offset (name); | |
7869 | ||
f8b2ac1e JL |
7870 | /* The index might have already been freed if this was the target of |
7871 | an @synindex. */ | |
7872 | if (which < 0 || !name_index_alist[which]) | |
6599da04 JM |
7873 | return; |
7874 | ||
f8b2ac1e | 7875 | i = name_index_alist[which]->read_index; |
6599da04 JM |
7876 | |
7877 | free_index (the_indices[i]); | |
7878 | the_indices[i] = (INDEX_ELT *) NULL; | |
7879 | ||
7880 | free (name_index_alist[which]->name); | |
7881 | free (name_index_alist[which]); | |
7882 | name_index_alist[which] = (INDEX_ALIST *) NULL; | |
7883 | } | |
7884 | ||
7885 | /* Define an index known as NAME. We assign the slot number. | |
f8b2ac1e | 7886 | CODE if Nonzero says to make this a code index. */ |
6599da04 JM |
7887 | void |
7888 | defindex (name, code) | |
7889 | char *name; | |
7890 | int code; | |
7891 | { | |
7892 | register int i, slot; | |
7893 | ||
7894 | /* If it already exists, flush it. */ | |
7895 | undefindex (name); | |
7896 | ||
7897 | /* Try to find an empty slot. */ | |
7898 | slot = -1; | |
7899 | for (i = 0; i < defined_indices; i++) | |
7900 | if (!name_index_alist[i]) | |
7901 | { | |
f8b2ac1e JL |
7902 | slot = i; |
7903 | break; | |
6599da04 JM |
7904 | } |
7905 | ||
7906 | if (slot < 0) | |
7907 | { | |
7908 | /* No such luck. Make space for another index. */ | |
7909 | slot = defined_indices; | |
7910 | defined_indices++; | |
7911 | ||
7912 | name_index_alist = (INDEX_ALIST **) | |
f8b2ac1e JL |
7913 | xrealloc ((char *)name_index_alist, |
7914 | (1 + defined_indices) * sizeof (INDEX_ALIST *)); | |
6599da04 | 7915 | the_indices = (INDEX_ELT **) |
f8b2ac1e JL |
7916 | xrealloc ((char *)the_indices, |
7917 | (1 + defined_indices) * sizeof (INDEX_ELT *)); | |
6599da04 JM |
7918 | } |
7919 | ||
7920 | /* We have a slot. Start assigning. */ | |
7921 | name_index_alist[slot] = (INDEX_ALIST *) xmalloc (sizeof (INDEX_ALIST)); | |
f8b2ac1e JL |
7922 | name_index_alist[slot]->name = xstrdup (name); |
7923 | name_index_alist[slot]->read_index = slot; | |
7924 | name_index_alist[slot]->write_index = slot; | |
6599da04 JM |
7925 | name_index_alist[slot]->code = code; |
7926 | ||
7927 | the_indices[slot] = (INDEX_ELT *) NULL; | |
7928 | } | |
7929 | ||
7930 | /* Add the arguments to the current index command to the index NAME. */ | |
7931 | void | |
7932 | index_add_arg (name) | |
7933 | char *name; | |
7934 | { | |
7935 | int which; | |
7936 | char *index_entry; | |
7937 | INDEX_ALIST *tem; | |
7938 | ||
7939 | tem = find_index (name); | |
7940 | ||
f8b2ac1e | 7941 | which = tem ? tem->write_index : -1; |
6599da04 JM |
7942 | |
7943 | #if defined (HAVE_MACROS) | |
d275726b | 7944 | if (macro_expansion_output_stream && !executing_string) |
6599da04 JM |
7945 | append_to_expansion_output (input_text_offset + 1); |
7946 | #endif /* HAVE_MACROS */ | |
7947 | ||
7948 | get_rest_of_line (&index_entry); | |
7949 | ignore_blank_line (); | |
7950 | ||
7951 | #if defined (HAVE_MACROS) | |
d275726b | 7952 | if (macro_expansion_output_stream && !executing_string) |
6599da04 JM |
7953 | { |
7954 | int op_orig; | |
7955 | ||
7956 | remember_itext (input_text, input_text_offset); | |
7957 | op_orig = output_paragraph_offset; | |
7958 | me_execute_string (index_entry); | |
7959 | me_execute_string ("\n"); | |
7960 | output_paragraph_offset = op_orig; | |
7961 | } | |
7962 | #endif /* HAVE_MACROS */ | |
7963 | ||
7964 | if (which < 0) | |
7965 | { | |
f8b2ac1e | 7966 | line_error (_("Unknown index `%s'"), name); |
6599da04 JM |
7967 | free (index_entry); |
7968 | } | |
7969 | else | |
7970 | { | |
7971 | INDEX_ELT *new = (INDEX_ELT *) xmalloc (sizeof (INDEX_ELT)); | |
7972 | new->next = the_indices[which]; | |
7973 | new->entry = index_entry; | |
7974 | new->node = current_node; | |
7975 | new->code = tem->code; | |
7976 | new->defining_line = line_number - 1; | |
f8b2ac1e | 7977 | new->defining_file = input_filename; |
6599da04 JM |
7978 | the_indices[which] = new; |
7979 | } | |
7980 | } | |
7981 | ||
7982 | #define INDEX_COMMAND_SUFFIX "index" | |
7983 | ||
7984 | /* The function which user defined index commands call. */ | |
7985 | void | |
7986 | gen_index () | |
7987 | { | |
f8b2ac1e | 7988 | char *name = xstrdup (command); |
6599da04 | 7989 | if (strlen (name) >= strlen ("index")) |
f8b2ac1e | 7990 | name[strlen (name) - strlen ("index")] = 0; |
6599da04 JM |
7991 | index_add_arg (name); |
7992 | free (name); | |
7993 | } | |
7994 | ||
7995 | void | |
7996 | top_defindex (name, code) | |
7997 | char *name; | |
7998 | int code; | |
7999 | { | |
8000 | char *temp; | |
8001 | ||
8002 | temp = (char *) xmalloc (1 + strlen (name) + strlen ("index")); | |
8003 | sprintf (temp, "%sindex", name); | |
8004 | define_user_command (temp, gen_index, 0); | |
8005 | defindex (name, code); | |
8006 | free (temp); | |
8007 | } | |
8008 | ||
8009 | /* Define a new index command. Arg is name of index. */ | |
8010 | void | |
8011 | cm_defindex () | |
8012 | { | |
8013 | gen_defindex (0); | |
8014 | } | |
8015 | ||
8016 | void | |
8017 | cm_defcodeindex () | |
8018 | { | |
8019 | gen_defindex (1); | |
8020 | } | |
8021 | ||
8022 | void | |
8023 | gen_defindex (code) | |
8024 | int code; | |
8025 | { | |
8026 | char *name; | |
8027 | get_rest_of_line (&name); | |
8028 | ||
8029 | if (find_index (name)) | |
8030 | { | |
f8b2ac1e | 8031 | line_error (_("Index `%s' already exists"), name); |
6599da04 JM |
8032 | free (name); |
8033 | return; | |
8034 | } | |
8035 | else | |
8036 | { | |
8037 | char *temp = (char *) alloca (1 + strlen (name) + strlen ("index")); | |
8038 | sprintf (temp, "%sindex", name); | |
8039 | define_user_command (temp, gen_index, 0); | |
8040 | defindex (name, code); | |
8041 | free (name); | |
8042 | } | |
8043 | } | |
8044 | ||
6599da04 JM |
8045 | /* Expects 2 args, on the same line. Both are index abbreviations. |
8046 | Make the first one be a synonym for the second one, i.e. make the | |
8047 | first one have the same index as the second one. */ | |
8048 | void | |
8049 | cm_synindex () | |
8050 | { | |
f8b2ac1e JL |
8051 | int source, target; |
8052 | char *abbrev1, *abbrev2; | |
6599da04 JM |
8053 | |
8054 | skip_whitespace (); | |
f8b2ac1e JL |
8055 | get_until_in_line (0, " ", &abbrev1); |
8056 | target = find_index_offset (abbrev1); | |
6599da04 | 8057 | skip_whitespace (); |
f8b2ac1e JL |
8058 | get_until_in_line (0, " ", &abbrev2); |
8059 | source = find_index_offset (abbrev2); | |
8060 | if (source < 0 || target < 0) | |
6599da04 | 8061 | { |
f8b2ac1e JL |
8062 | line_error (_("Unknown index `%s' and/or `%s' in @synindex"), |
8063 | abbrev1, abbrev2); | |
6599da04 JM |
8064 | } |
8065 | else | |
8066 | { | |
f8b2ac1e JL |
8067 | name_index_alist[target]->write_index |
8068 | = name_index_alist[source]->write_index; | |
6599da04 | 8069 | } |
f8b2ac1e JL |
8070 | |
8071 | free (abbrev1); | |
8072 | free (abbrev2); | |
6599da04 JM |
8073 | } |
8074 | ||
8075 | void | |
f8b2ac1e | 8076 | cm_pindex () /* Pinhead index. */ |
6599da04 JM |
8077 | { |
8078 | index_add_arg ("pg"); | |
8079 | } | |
8080 | ||
8081 | void | |
f8b2ac1e | 8082 | cm_vindex () /* Variable index. */ |
6599da04 JM |
8083 | { |
8084 | index_add_arg ("vr"); | |
8085 | } | |
8086 | ||
8087 | void | |
f8b2ac1e | 8088 | cm_kindex () /* Key index. */ |
6599da04 JM |
8089 | { |
8090 | index_add_arg ("ky"); | |
8091 | } | |
8092 | ||
8093 | void | |
f8b2ac1e | 8094 | cm_cindex () /* Concept index. */ |
6599da04 JM |
8095 | { |
8096 | index_add_arg ("cp"); | |
8097 | } | |
8098 | ||
8099 | void | |
f8b2ac1e | 8100 | cm_findex () /* Function index. */ |
6599da04 JM |
8101 | { |
8102 | index_add_arg ("fn"); | |
8103 | } | |
8104 | ||
8105 | void | |
f8b2ac1e | 8106 | cm_tindex () /* Data Type index. */ |
6599da04 JM |
8107 | { |
8108 | index_add_arg ("tp"); | |
8109 | } | |
8110 | ||
8111 | /* Sorting the index. */ | |
8112 | int | |
8113 | index_element_compare (element1, element2) | |
8114 | INDEX_ELT **element1, **element2; | |
8115 | { | |
8116 | return (strcasecmp ((*element1)->entry, (*element2)->entry)); | |
8117 | } | |
8118 | ||
8119 | /* Force all index entries to be unique. */ | |
8120 | void | |
8121 | make_index_entries_unique (array, count) | |
8122 | INDEX_ELT **array; | |
8123 | int count; | |
8124 | { | |
8125 | register int i, j; | |
8126 | INDEX_ELT **copy; | |
8127 | int counter = 1; | |
8128 | ||
8129 | copy = (INDEX_ELT **)xmalloc ((1 + count) * sizeof (INDEX_ELT *)); | |
8130 | ||
8131 | for (i = 0, j = 0; i < count; i++) | |
8132 | { | |
8133 | if ((i == (count - 1)) || | |
f8b2ac1e JL |
8134 | (array[i]->node != array[i + 1]->node) || |
8135 | (strcmp (array[i]->entry, array[i + 1]->entry) != 0)) | |
8136 | copy[j++] = array[i]; | |
6599da04 | 8137 | else |
f8b2ac1e JL |
8138 | { |
8139 | free (array[i]->entry); | |
8140 | free (array[i]); | |
8141 | } | |
6599da04 JM |
8142 | } |
8143 | copy[j] = (INDEX_ELT *)NULL; | |
8144 | ||
8145 | /* Now COPY contains only unique entries. Duplicated entries in the | |
8146 | original array have been freed. Replace the current array with | |
8147 | the copy, fixing the NEXT pointers. */ | |
8148 | for (i = 0; copy[i] != (INDEX_ELT *)NULL; i++) | |
8149 | { | |
8150 | ||
8151 | copy[i]->next = copy[i + 1]; | |
8152 | ||
8153 | /* Fix entry names which are the same. They point to different nodes, | |
f8b2ac1e | 8154 | so we make the entry name unique. */ |
6599da04 | 8155 | if ((copy[i + 1] != (INDEX_ELT *)NULL) && |
f8b2ac1e JL |
8156 | (strcmp (copy[i]->entry, copy[i + 1]->entry) == 0)) |
8157 | { | |
8158 | char *new_entry_name; | |
8159 | ||
8160 | new_entry_name = (char *)xmalloc (10 + strlen (copy[i]->entry)); | |
8161 | sprintf (new_entry_name, "%s <%d>", copy[i]->entry, counter); | |
8162 | free (copy[i]->entry); | |
8163 | copy[i]->entry = new_entry_name; | |
8164 | counter++; | |
8165 | } | |
6599da04 | 8166 | else |
f8b2ac1e | 8167 | counter = 1; |
6599da04 JM |
8168 | |
8169 | array[i] = copy[i]; | |
8170 | } | |
8171 | array[i] = (INDEX_ELT *)NULL; | |
8172 | ||
8173 | /* Free the storage used only by COPY. */ | |
8174 | free (copy); | |
8175 | } | |
8176 | ||
8177 | /* Sort the index passed in INDEX, returning an array of | |
8178 | pointers to elements. The array is terminated with a NULL | |
8179 | pointer. We call qsort because it's supposed to be fast. | |
8180 | I think this looks bad. */ | |
8181 | INDEX_ELT ** | |
8182 | sort_index (index) | |
8183 | INDEX_ELT *index; | |
8184 | { | |
6599da04 | 8185 | INDEX_ELT **array; |
f8b2ac1e | 8186 | INDEX_ELT *temp = index; |
6599da04 | 8187 | int count = 0; |
f8b2ac1e JL |
8188 | int save_line_number = line_number; |
8189 | char *save_input_filename = input_filename; | |
6599da04 JM |
8190 | |
8191 | while (temp != (INDEX_ELT *) NULL) | |
8192 | { | |
8193 | count++; | |
8194 | temp = temp->next; | |
8195 | } | |
8196 | ||
8197 | /* We have the length. Make an array. */ | |
8198 | ||
8199 | array = (INDEX_ELT **) xmalloc ((count + 1) * sizeof (INDEX_ELT *)); | |
8200 | count = 0; | |
8201 | temp = index; | |
8202 | ||
8203 | while (temp != (INDEX_ELT *) NULL) | |
8204 | { | |
8205 | array[count++] = temp; | |
8206 | ||
f8b2ac1e JL |
8207 | /* Set line number and input filename to the source line for this |
8208 | index entry, as this expansion finds any errors. */ | |
8209 | line_number = array[count - 1]->defining_line; | |
8210 | input_filename = array[count - 1]->defining_file; | |
6599da04 JM |
8211 | |
8212 | /* If this particular entry should be printed as a "code" index, | |
f8b2ac1e | 8213 | then wrap the entry with "@code{...}". */ |
6599da04 JM |
8214 | array[count - 1]->entry = expansion (temp->entry, index->code); |
8215 | ||
8216 | temp = temp->next; | |
8217 | } | |
f8b2ac1e JL |
8218 | array[count] = (INDEX_ELT *) NULL; /* terminate the array. */ |
8219 | line_number = save_line_number; | |
8220 | input_filename = save_input_filename; | |
6599da04 JM |
8221 | |
8222 | /* Sort the array. */ | |
8223 | qsort (array, count, sizeof (INDEX_ELT *), index_element_compare); | |
8224 | make_index_entries_unique (array, count); | |
8225 | return (array); | |
8226 | } | |
8227 | ||
f8b2ac1e | 8228 | /* Nonzero means that we are in the middle of printing an index. */ |
6599da04 JM |
8229 | int printing_index = 0; |
8230 | ||
8231 | /* Takes one arg, a short name of an index to print. | |
8232 | Outputs a menu of the sorted elements of the index. */ | |
8233 | void | |
8234 | cm_printindex () | |
8235 | { | |
8236 | int item; | |
8237 | INDEX_ELT *index; | |
8238 | INDEX_ELT **array; | |
8239 | char *index_name; | |
8240 | unsigned line_length; | |
8241 | char *line; | |
8242 | int saved_inhibit_paragraph_indentation = inhibit_paragraph_indentation; | |
8243 | int saved_filling_enabled = filling_enabled; | |
8244 | ||
8245 | close_paragraph (); | |
8246 | get_rest_of_line (&index_name); | |
8247 | ||
8248 | index = index_list (index_name); | |
8249 | if (index == (INDEX_ELT *)-1) | |
8250 | { | |
f8b2ac1e | 8251 | line_error (_("Unknown index `%s' in @printindex"), index_name); |
6599da04 JM |
8252 | free (index_name); |
8253 | return; | |
8254 | } | |
8255 | else | |
8256 | free (index_name); | |
8257 | ||
8258 | /* Do this before sorting, so execute_string in index_element_compare | |
8259 | will give the same results as when we actually print. */ | |
8260 | printing_index = 1; | |
8261 | filling_enabled = 0; | |
8262 | inhibit_paragraph_indentation = 1; | |
8263 | array = sort_index (index); | |
8264 | ||
8265 | close_paragraph (); | |
f8b2ac1e | 8266 | add_word (_("* Menu:\n\n")); |
6599da04 JM |
8267 | |
8268 | #if defined (HAVE_MACROS) | |
8269 | me_inhibit_expansion++; | |
8270 | #endif /* HAVE_MACROS */ | |
8271 | ||
8272 | /* This will probably be enough. */ | |
8273 | line_length = 100; | |
8274 | line = xmalloc (line_length); | |
8275 | ||
8276 | for (item = 0; (index = array[item]); item++) | |
8277 | { | |
8278 | /* A pathological document might have an index entry outside of any | |
8279 | node. Don't crash. Perhaps should warn. */ | |
8280 | char *index_node = index->node ? index->node : "(none)"; | |
f8b2ac1e JL |
8281 | unsigned new_length = strlen (index->entry); |
8282 | ||
8283 | if (new_length < 37) /* minimum length used below */ | |
8284 | new_length = 37; | |
8285 | new_length += strlen (index_node) + 7; /* * : .\n\0 */ | |
6599da04 JM |
8286 | |
8287 | if (new_length > line_length) | |
8288 | { | |
f8b2ac1e | 8289 | line_length = new_length; |
6599da04 JM |
8290 | line = xrealloc (line, line_length); |
8291 | } | |
8292 | ||
8293 | /* Print the entry, nicely formatted. We've already expanded any | |
8294 | commands, including any implicit @code. Thus, can't call | |
8295 | execute_string, since @@ has turned into @. */ | |
8296 | sprintf (line, "* %-37s %s.\n", index->entry, index_node); | |
8297 | line[2 + strlen (index->entry)] = ':'; | |
8298 | insert_string (line); | |
8299 | ||
8300 | /* Previous `output_paragraph' from growing to the size of the | |
8301 | whole index. */ | |
8302 | flush_output (); | |
8303 | } | |
8304 | ||
8305 | free (line); | |
8306 | ||
8307 | #if defined (HAVE_MACROS) | |
8308 | me_inhibit_expansion--; | |
8309 | #endif /* HAVE_MACROS */ | |
8310 | ||
8311 | printing_index = 0; | |
8312 | free (array); | |
8313 | close_single_paragraph (); | |
8314 | filling_enabled = saved_filling_enabled; | |
8315 | inhibit_paragraph_indentation = saved_inhibit_paragraph_indentation; | |
8316 | } | |
f8b2ac1e JL |
8317 | |
8318 | /* User-defined commands, which happens only from user-defined indexes. */ | |
6599da04 JM |
8319 | |
8320 | void | |
8321 | define_user_command (name, proc, needs_braces_p) | |
8322 | char *name; | |
8323 | COMMAND_FUNCTION *proc; | |
8324 | int needs_braces_p; | |
8325 | { | |
8326 | int slot = user_command_array_len; | |
8327 | user_command_array_len++; | |
8328 | ||
8329 | if (!user_command_array) | |
8330 | user_command_array = (COMMAND **) xmalloc (1 * sizeof (COMMAND *)); | |
8331 | ||
8332 | user_command_array = (COMMAND **) xrealloc (user_command_array, | |
f8b2ac1e JL |
8333 | (1 + user_command_array_len) * |
8334 | sizeof (COMMAND *)); | |
6599da04 JM |
8335 | |
8336 | user_command_array[slot] = (COMMAND *) xmalloc (sizeof (COMMAND)); | |
f8b2ac1e | 8337 | user_command_array[slot]->name = xstrdup (name); |
6599da04 JM |
8338 | user_command_array[slot]->proc = proc; |
8339 | user_command_array[slot]->argument_in_braces = needs_braces_p; | |
8340 | } | |
f8b2ac1e | 8341 | \f |
6599da04 JM |
8342 | /* Some support for footnotes. */ |
8343 | ||
8344 | /* Footnotes are a new construct in Info. We don't know the best method | |
8345 | of implementing them for sure, so we present two possiblities. | |
8346 | ||
8347 | SeparateNode: | |
f8b2ac1e JL |
8348 | Make them look like followed references, with the reference |
8349 | destinations in a makeinfo manufactured node or, | |
6599da04 JM |
8350 | |
8351 | EndNode: | |
f8b2ac1e JL |
8352 | Make them appear at the bottom of the node that they originally |
8353 | appeared in. */ | |
6599da04 JM |
8354 | #define SeparateNode 0 |
8355 | #define EndNode 1 | |
8356 | ||
8357 | int footnote_style = EndNode; | |
8358 | int first_footnote_this_node = 1; | |
8359 | int footnote_count = 0; | |
8360 | ||
8361 | /* Set the footnote style based on he style identifier in STRING. */ | |
8362 | int | |
8363 | set_footnote_style (string) | |
8364 | char *string; | |
8365 | { | |
8366 | if ((strcasecmp (string, "separate") == 0) || | |
8367 | (strcasecmp (string, "MN") == 0)) | |
8368 | footnote_style = SeparateNode; | |
8369 | else if ((strcasecmp (string, "end") == 0) || | |
f8b2ac1e | 8370 | (strcasecmp (string, "EN") == 0)) |
6599da04 JM |
8371 | footnote_style = EndNode; |
8372 | else | |
8373 | return (-1); | |
8374 | ||
8375 | return (0); | |
8376 | } | |
8377 | ||
8378 | void | |
8379 | cm_footnotestyle () | |
8380 | { | |
8381 | char *arg; | |
8382 | ||
8383 | get_rest_of_line (&arg); | |
8384 | ||
8385 | /* If set on command line, do not change the footnote style. */ | |
8386 | if (!footnote_style_preset && set_footnote_style (arg) != 0) | |
8387 | line_error ("Bad argument to %c%s", COMMAND_PREFIX, command); | |
8388 | ||
8389 | free (arg); | |
8390 | } | |
8391 | ||
8392 | typedef struct fn | |
8393 | { | |
8394 | struct fn *next; | |
8395 | char *marker; | |
8396 | char *note; | |
8397 | } FN; | |
8398 | ||
8399 | FN *pending_notes = (FN *) NULL; | |
8400 | ||
8401 | /* A method for remembering footnotes. Note that this list gets output | |
8402 | at the end of the current node. */ | |
8403 | void | |
8404 | remember_note (marker, note) | |
8405 | char *marker, *note; | |
8406 | { | |
8407 | FN *temp = (FN *) xmalloc (sizeof (FN)); | |
8408 | ||
f8b2ac1e JL |
8409 | temp->marker = xstrdup (marker); |
8410 | temp->note = xstrdup (note); | |
6599da04 JM |
8411 | temp->next = pending_notes; |
8412 | pending_notes = temp; | |
8413 | footnote_count++; | |
8414 | } | |
8415 | ||
8416 | /* How to get rid of existing footnotes. */ | |
8417 | void | |
8418 | free_pending_notes () | |
8419 | { | |
8420 | FN *temp; | |
8421 | ||
8422 | while ((temp = pending_notes) != (FN *) NULL) | |
8423 | { | |
8424 | free (temp->marker); | |
8425 | free (temp->note); | |
8426 | pending_notes = pending_notes->next; | |
8427 | free (temp); | |
8428 | } | |
8429 | first_footnote_this_node = 1; | |
8430 | footnote_count = 0; | |
8431 | } | |
8432 | ||
8433 | /* What to do when you see a @footnote construct. */ | |
8434 | ||
8435 | /* Handle a "footnote". | |
8436 | footnote *{this is a footnote} | |
f8b2ac1e | 8437 | where "*" is the (optional) marker character for this note. */ |
6599da04 JM |
8438 | void |
8439 | cm_footnote () | |
8440 | { | |
8441 | char *marker; | |
8442 | char *note; | |
8443 | ||
8444 | get_until ("{", &marker); | |
8445 | canon_white (marker); | |
8446 | ||
d275726b JL |
8447 | if (macro_expansion_output_stream && !executing_string) |
8448 | append_to_expansion_output (input_text_offset + 1); /* include the { */ | |
8449 | ||
6599da04 JM |
8450 | /* Read the argument in braces. */ |
8451 | if (curchar () != '{') | |
8452 | { | |
f8b2ac1e JL |
8453 | line_error (_("`%c%s' needs an argument `{...}', not just `%s'"), |
8454 | COMMAND_PREFIX, command, marker); | |
6599da04 JM |
8455 | free (marker); |
8456 | return; | |
8457 | } | |
8458 | else | |
8459 | { | |
6599da04 | 8460 | int len; |
f8b2ac1e JL |
8461 | int braces = 1; |
8462 | int loc = ++input_text_offset; | |
6599da04 JM |
8463 | |
8464 | while (braces) | |
f8b2ac1e JL |
8465 | { |
8466 | if (loc == size_of_input_text) | |
8467 | { | |
8468 | line_error (_("No closing brace for footnote `%s'"), marker); | |
8469 | return; | |
8470 | } | |
8471 | ||
8472 | if (input_text[loc] == '{') | |
8473 | braces++; | |
8474 | else if (input_text[loc] == '}') | |
8475 | braces--; | |
8476 | else if (input_text[loc] == '\n') | |
8477 | line_number++; | |
8478 | ||
8479 | loc++; | |
8480 | } | |
8481 | ||
8482 | len = (loc - input_text_offset) - 1; | |
6599da04 JM |
8483 | note = (char *)xmalloc (len + 1); |
8484 | strncpy (note, &input_text[input_text_offset], len); | |
f8b2ac1e JL |
8485 | note[len] = 0; |
8486 | input_text_offset = loc; | |
8487 | } | |
8488 | ||
8489 | /* Must write the macro-expanded argument to the macro expansion | |
8490 | output stream. This is like the case in index_add_arg. */ | |
d275726b | 8491 | if (macro_expansion_output_stream && !executing_string) |
f8b2ac1e JL |
8492 | { |
8493 | int op_orig; | |
8494 | ||
8495 | remember_itext (input_text, input_text_offset); | |
8496 | op_orig = output_paragraph_offset; | |
8497 | me_execute_string (note); | |
8498 | /* Calling me_execute_string on a lone } provokes an error, since | |
8499 | as far as the reader knows there is no matching {. We wrote | |
8500 | the { above in the call to append_to_expansion_output. */ | |
8501 | write_region_to_macro_output ("}", 0, 1); | |
8502 | output_paragraph_offset = op_orig; | |
6599da04 JM |
8503 | } |
8504 | ||
8505 | if (!current_node || !*current_node) | |
8506 | { | |
f8b2ac1e | 8507 | line_error (_("Footnote defined without parent node")); |
6599da04 JM |
8508 | free (marker); |
8509 | free (note); | |
8510 | return; | |
8511 | } | |
8512 | ||
8513 | if (!*marker) | |
8514 | { | |
8515 | free (marker); | |
8516 | ||
8517 | if (number_footnotes) | |
f8b2ac1e JL |
8518 | { |
8519 | marker = (char *)xmalloc (10); | |
8520 | sprintf (marker, "%d", current_footnote_number); | |
8521 | current_footnote_number++; | |
8522 | } | |
6599da04 | 8523 | else |
f8b2ac1e | 8524 | marker = xstrdup ("*"); |
6599da04 JM |
8525 | } |
8526 | ||
8527 | remember_note (marker, note); | |
8528 | ||
8529 | /* Your method should at least insert MARKER. */ | |
8530 | switch (footnote_style) | |
8531 | { | |
8532 | case SeparateNode: | |
8533 | add_word_args ("(%s)", marker); | |
8534 | if (first_footnote_this_node) | |
f8b2ac1e JL |
8535 | { |
8536 | char *temp_string; | |
8537 | ||
8538 | temp_string = (char *) | |
8539 | xmalloc ((strlen (current_node)) + (strlen (_("-Footnotes"))) + 1); | |
8540 | ||
8541 | add_word_args (" (*note %s-Footnotes::)", current_node); | |
8542 | strcpy (temp_string, current_node); | |
8543 | strcat (temp_string, "-Footnotes"); | |
8544 | remember_node_reference (temp_string, line_number, followed_reference); | |
8545 | free (temp_string); | |
8546 | first_footnote_this_node = 0; | |
8547 | } | |
6599da04 JM |
8548 | break; |
8549 | ||
8550 | case EndNode: | |
8551 | add_word_args ("(%s)", marker); | |
8552 | break; | |
8553 | ||
8554 | default: | |
8555 | break; | |
8556 | } | |
8557 | free (marker); | |
8558 | free (note); | |
8559 | } | |
8560 | ||
f8b2ac1e | 8561 | /* Nonzero means that we are currently in the process of outputting |
6599da04 JM |
8562 | footnotes. */ |
8563 | int already_outputting_pending_notes = 0; | |
8564 | ||
8565 | /* Output the footnotes. We are at the end of the current node. */ | |
8566 | void | |
8567 | output_pending_notes () | |
8568 | { | |
8569 | FN *footnote = pending_notes; | |
8570 | ||
8571 | if (!pending_notes) | |
8572 | return; | |
8573 | ||
8574 | switch (footnote_style) | |
8575 | { | |
8576 | case SeparateNode: | |
8577 | { | |
f8b2ac1e JL |
8578 | char *old_current_node = current_node; |
8579 | char *old_command = xstrdup (command); | |
8580 | ||
8581 | already_outputting_pending_notes++; | |
8582 | execute_string ("%cnode %s-Footnotes,,,%s\n", | |
8583 | COMMAND_PREFIX, current_node, current_node); | |
8584 | already_outputting_pending_notes--; | |
8585 | current_node = old_current_node; | |
8586 | free (command); | |
8587 | command = old_command; | |
6599da04 JM |
8588 | } |
8589 | break; | |
8590 | ||
8591 | case EndNode: | |
8592 | close_paragraph (); | |
8593 | in_fixed_width_font++; | |
f8b2ac1e | 8594 | execute_string (_("---------- Footnotes ----------\n\n")); |
6599da04 JM |
8595 | in_fixed_width_font--; |
8596 | break; | |
8597 | } | |
8598 | ||
8599 | /* Handle the footnotes in reverse order. */ | |
8600 | { | |
8601 | FN **array = (FN **) xmalloc ((footnote_count + 1) * sizeof (FN *)); | |
8602 | ||
8603 | array[footnote_count] = (FN *) NULL; | |
8604 | ||
8605 | while (--footnote_count > -1) | |
8606 | { | |
f8b2ac1e JL |
8607 | array[footnote_count] = footnote; |
8608 | footnote = footnote->next; | |
6599da04 JM |
8609 | } |
8610 | ||
8611 | filling_enabled = 1; | |
8612 | indented_fill = 1; | |
8613 | ||
f8b2ac1e | 8614 | while ((footnote = array[++footnote_count])) |
6599da04 | 8615 | { |
f8b2ac1e JL |
8616 | execute_string ("(%s) %s", footnote->marker, footnote->note); |
8617 | close_paragraph (); | |
6599da04 JM |
8618 | } |
8619 | close_paragraph (); | |
8620 | free (array); | |
8621 | } | |
8622 | } | |
8623 | \f | |
8624 | /* **************************************************************** */ | |
8625 | /* */ | |
f8b2ac1e | 8626 | /* User definable Macros (text substitution) */ |
6599da04 JM |
8627 | /* */ |
8628 | /* **************************************************************** */ | |
8629 | ||
8630 | #if defined (HAVE_MACROS) | |
8631 | ||
8632 | /* Array of macros and definitions. */ | |
8633 | MACRO_DEF **macro_list = (MACRO_DEF **)NULL; | |
8634 | ||
f8b2ac1e JL |
8635 | int macro_list_len = 0; /* Number of elements. */ |
8636 | int macro_list_size = 0; /* Number of slots in total. */ | |
6599da04 JM |
8637 | |
8638 | /* Return the macro definition of NAME or NULL if NAME is not defined. */ | |
8639 | MACRO_DEF * | |
8640 | find_macro (name) | |
8641 | char *name; | |
8642 | { | |
8643 | register int i; | |
8644 | register MACRO_DEF *def; | |
8645 | ||
8646 | def = (MACRO_DEF *)NULL; | |
8647 | for (i = 0; macro_list && (def = macro_list[i]); i++) | |
8648 | { | |
8649 | if ((!def->inhibited) && (strcmp (def->name, name) == 0)) | |
f8b2ac1e | 8650 | break; |
6599da04 JM |
8651 | } |
8652 | return (def); | |
8653 | } | |
8654 | ||
8655 | /* Add the macro NAME with ARGLIST and BODY to the list of defined macros. | |
8656 | SOURCE_FILE is the name of the file where this definition can be found, | |
8657 | and SOURCE_LINENO is the line number within that file. If a macro already | |
8658 | exists with NAME, then a warning is produced, and that previous | |
8659 | definition is overwritten. */ | |
8660 | void | |
8661 | add_macro (name, arglist, body, source_file, source_lineno, flags) | |
8662 | char *name; | |
8663 | char **arglist; | |
8664 | char *body; | |
8665 | char *source_file; | |
8666 | int source_lineno, flags; | |
8667 | { | |
8668 | register MACRO_DEF *def; | |
8669 | ||
8670 | def = find_macro (name); | |
8671 | ||
8672 | if (!def) | |
8673 | { | |
8674 | if (macro_list_len + 2 >= macro_list_size) | |
f8b2ac1e JL |
8675 | macro_list = (MACRO_DEF **)xrealloc |
8676 | (macro_list, ((macro_list_size += 10) * sizeof (MACRO_DEF *))); | |
6599da04 JM |
8677 | |
8678 | macro_list[macro_list_len] = (MACRO_DEF *)xmalloc (sizeof (MACRO_DEF)); | |
8679 | macro_list[macro_list_len + 1] = (MACRO_DEF *)NULL; | |
8680 | ||
8681 | def = macro_list[macro_list_len]; | |
8682 | macro_list_len += 1; | |
8683 | def->name = name; | |
8684 | } | |
8685 | else | |
8686 | { | |
8687 | char *temp_filename = input_filename; | |
8688 | int temp_line = line_number; | |
8689 | ||
f8b2ac1e | 8690 | warning (_("macro `%s' previously defined"), name); |
6599da04 JM |
8691 | |
8692 | input_filename = def->source_file; | |
8693 | line_number = def->source_lineno; | |
f8b2ac1e | 8694 | warning (_("here is the previous definition of `%s'"), name); |
6599da04 JM |
8695 | |
8696 | input_filename = temp_filename; | |
8697 | line_number = temp_line; | |
8698 | ||
8699 | if (def->arglist) | |
f8b2ac1e JL |
8700 | { |
8701 | register int i; | |
6599da04 | 8702 | |
f8b2ac1e JL |
8703 | for (i = 0; def->arglist[i]; i++) |
8704 | free (def->arglist[i]); | |
6599da04 | 8705 | |
f8b2ac1e JL |
8706 | free (def->arglist); |
8707 | } | |
6599da04 JM |
8708 | free (def->source_file); |
8709 | free (def->body); | |
8710 | } | |
8711 | ||
f8b2ac1e | 8712 | def->source_file = xstrdup (source_file); |
6599da04 JM |
8713 | def->source_lineno = source_lineno; |
8714 | def->body = body; | |
8715 | def->arglist = arglist; | |
8716 | def->inhibited = 0; | |
8717 | def->flags = flags; | |
8718 | } | |
8719 | ||
8720 | /* Delete the macro with name NAME. The macro is deleted from the list, | |
8721 | but it is also returned. If there was no macro defined, NULL is | |
8722 | returned. */ | |
8723 | MACRO_DEF * | |
8724 | delete_macro (name) | |
8725 | char *name; | |
8726 | { | |
8727 | register int i; | |
8728 | register MACRO_DEF *def; | |
8729 | ||
8730 | def = (MACRO_DEF *)NULL; | |
8731 | ||
8732 | for (i = 0; macro_list && (def = macro_list[i]); i++) | |
8733 | if (strcmp (def->name, name) == 0) | |
8734 | { | |
f8b2ac1e JL |
8735 | memmove (macro_list + i, macro_list + i + 1, |
8736 | ((macro_list_len + 1) - i) * sizeof (MACRO_DEF *)); | |
8737 | macro_list_len--; | |
8738 | break; | |
6599da04 JM |
8739 | } |
8740 | return (def); | |
8741 | } | |
8742 | ||
8743 | /* Return the arglist on the current line. This can behave in two different | |
8744 | ways, depending on the variable BRACES_REQUIRED_FOR_MACRO_ARGS. */ | |
8745 | int braces_required_for_macro_args = 0; | |
8746 | ||
8747 | char ** | |
8748 | get_macro_args (def) | |
f8b2ac1e | 8749 | MACRO_DEF *def; |
6599da04 JM |
8750 | { |
8751 | register int i; | |
8752 | char *word; | |
8753 | ||
8754 | /* Quickly check to see if this macro has been invoked with any arguments. | |
8755 | If not, then don't skip any of the following whitespace. */ | |
8756 | for (i = input_text_offset; i < size_of_input_text; i++) | |
8757 | if (!cr_or_whitespace (input_text[i])) | |
8758 | break; | |
8759 | ||
8760 | if (input_text[i] != '{') | |
8761 | { | |
8762 | if (braces_required_for_macro_args) | |
f8b2ac1e JL |
8763 | { |
8764 | return ((char **)NULL); | |
8765 | } | |
6599da04 | 8766 | else |
f8b2ac1e JL |
8767 | { |
8768 | /* Braces are not required to fill out the macro arguments. If | |
8769 | this macro takes one argument, it is considered to be the | |
8770 | remainder of the line, sans whitespace. */ | |
8771 | if (def->arglist && def->arglist[0] && !def->arglist[1]) | |
8772 | { | |
8773 | char **arglist; | |
8774 | ||
8775 | get_rest_of_line (&word); | |
8776 | if (input_text[input_text_offset - 1] == '\n') | |
8777 | { | |
8778 | input_text_offset--; | |
8779 | line_number--; | |
8780 | } | |
8781 | /* canon_white (word); */ | |
8782 | arglist = (char **)xmalloc (2 * sizeof (char *)); | |
8783 | arglist[0] = word; | |
8784 | arglist[1] = (char *)NULL; | |
8785 | return (arglist); | |
8786 | } | |
8787 | else | |
8788 | { | |
8789 | /* The macro either took no arguments, or took more than | |
8790 | one argument. In that case, it must be invoked with | |
8791 | arguments surrounded by braces. */ | |
8792 | return ((char **)NULL); | |
8793 | } | |
8794 | } | |
6599da04 JM |
8795 | } |
8796 | return (get_brace_args (def->flags & ME_QUOTE_ARG)); | |
8797 | } | |
8798 | ||
8799 | /* Substitute actual parameters for named parameters in body. | |
8800 | The named parameters which appear in BODY must by surrounded | |
8801 | reverse slashes, as in \foo\. */ | |
8802 | char * | |
8803 | apply (named, actuals, body) | |
8804 | char **named, **actuals, *body; | |
8805 | { | |
8806 | register int i; | |
8807 | int new_body_index, new_body_size; | |
8808 | char *new_body, *text; | |
8809 | int length_of_actuals; | |
8810 | ||
8811 | length_of_actuals = array_len (actuals); | |
8812 | new_body_size = strlen (body); | |
8813 | new_body = (char *)xmalloc (1 + new_body_size); | |
8814 | ||
8815 | /* Copy chars from BODY into NEW_BODY. */ | |
8816 | i = 0; new_body_index = 0; | |
8817 | ||
8818 | while (1) | |
8819 | { | |
8820 | if (!body[i]) | |
f8b2ac1e | 8821 | break; |
6599da04 JM |
8822 | |
8823 | if (body[i] != '\\') | |
f8b2ac1e | 8824 | new_body[new_body_index++] = body[i++]; |
6599da04 | 8825 | else |
f8b2ac1e JL |
8826 | { |
8827 | /* Snarf parameter name, check against named parameters. */ | |
8828 | char *param; | |
8829 | int param_start, which, len; | |
8830 | ||
8831 | param_start = ++i; | |
8832 | while ((body[i]) && (body[i] != '\\')) | |
8833 | i++; | |
8834 | ||
8835 | len = i - param_start; | |
8836 | param = (char *)xmalloc (1 + len); | |
8837 | memcpy (param, body + param_start, len); | |
8838 | param[len] = 0; | |
8839 | ||
8840 | if (body[i]) /* move past \ */ | |
8841 | i++; | |
8842 | ||
8843 | /* Now check against named parameters. */ | |
8844 | for (which = 0; named && named[which]; which++) | |
8845 | if (strcmp (named[which], param) == 0) | |
8846 | break; | |
8847 | ||
8848 | if (named && named[which]) | |
8849 | { | |
8850 | if (which < length_of_actuals) | |
8851 | text = actuals[which]; | |
8852 | else | |
8853 | text = (char *)NULL; | |
8854 | ||
8855 | if (!text) | |
8856 | text = ""; | |
8857 | ||
8858 | len = strlen (text); | |
8859 | } | |
8860 | else | |
8861 | { /* not a parameter, restore \'s */ | |
d275726b JL |
8862 | i = body[i] ? (i - 1) : i; |
8863 | len++; | |
8864 | text = xmalloc (1 + len); | |
8865 | sprintf (text, "\\%s", param); | |
f8b2ac1e JL |
8866 | } |
8867 | ||
8868 | if ((2 + strlen (param)) < len) | |
8869 | { | |
8870 | new_body_size += len + 1; | |
8871 | new_body = xrealloc (new_body, new_body_size); | |
8872 | } | |
8873 | ||
8874 | free (param); | |
8875 | ||
8876 | strcpy (new_body + new_body_index, text); | |
8877 | new_body_index += len; | |
8878 | ||
8879 | if (!named || !named[which]) | |
8880 | free (text); | |
8881 | } | |
8882 | } | |
8883 | new_body[new_body_index] = 0; | |
6599da04 JM |
8884 | return (new_body); |
8885 | } | |
8886 | ||
8887 | /* Execute the macro passed in DEF, a pointer to a MACRO_DEF. */ | |
8888 | void | |
8889 | execute_macro (def) | |
8890 | MACRO_DEF *def; | |
8891 | { | |
6599da04 JM |
8892 | char **arglist; |
8893 | int num_args; | |
8894 | char *execution_string = (char *)NULL; | |
8895 | ||
d275726b | 8896 | if (macro_expansion_output_stream && !executing_string && !me_inhibit_expansion) |
6599da04 JM |
8897 | me_append_before_this_command (); |
8898 | ||
8899 | /* Find out how many arguments this macro definition takes. */ | |
8900 | num_args = array_len (def->arglist); | |
8901 | ||
8902 | /* Gather the arguments present on the line if there are any. */ | |
8903 | arglist = get_macro_args (def); | |
8904 | ||
8905 | if (num_args < array_len (arglist)) | |
8906 | { | |
8907 | free_array (arglist); | |
f8b2ac1e | 8908 | line_error (_("Macro `%s' called with too many args"), def->name); |
6599da04 JM |
8909 | return; |
8910 | } | |
8911 | ||
8912 | if (def->body) | |
8913 | execution_string = apply (def->arglist, arglist, def->body); | |
8914 | ||
8915 | free_array (arglist); | |
8916 | ||
8917 | if (def->body) | |
8918 | { | |
d275726b | 8919 | if (macro_expansion_output_stream && !executing_string && !me_inhibit_expansion) |
f8b2ac1e JL |
8920 | { |
8921 | remember_itext (input_text, input_text_offset); | |
8922 | me_execute_string (execution_string); | |
8923 | } | |
6599da04 | 8924 | else |
f8b2ac1e | 8925 | execute_string ("%s", execution_string); |
6599da04 JM |
8926 | |
8927 | free (execution_string); | |
8928 | } | |
8929 | } | |
8930 | ||
8931 | /* Read and remember the definition of a macro. */ | |
8932 | void | |
8933 | cm_macro () | |
8934 | { | |
8935 | register int i; | |
8936 | char *name, **arglist, *body, *line; | |
8937 | int body_size, body_index; | |
8938 | int depth = 1; | |
8939 | int defining_line = line_number; | |
8940 | int flags = 0; | |
8941 | ||
8942 | arglist = (char **)NULL; | |
8943 | body = (char *)NULL; | |
8944 | body_size = 0; | |
8945 | body_index = 0; | |
8946 | ||
d275726b | 8947 | if (macro_expansion_output_stream && !executing_string) |
6599da04 JM |
8948 | me_append_before_this_command (); |
8949 | ||
8950 | skip_whitespace (); | |
8951 | ||
8952 | /* Get the name of the macro. This is the set of characters which are | |
8953 | not whitespace and are not `{' immediately following the @macro. */ | |
8954 | { | |
8955 | int start = input_text_offset; | |
8956 | int len; | |
8957 | ||
8958 | for (i = start; | |
f8b2ac1e JL |
8959 | (i < size_of_input_text) && |
8960 | (input_text[i] != '{') && | |
8961 | (!cr_or_whitespace (input_text[i])); | |
8962 | i++); | |
6599da04 JM |
8963 | |
8964 | len = i - start; | |
8965 | name = (char *)xmalloc (1 + len); | |
8966 | strncpy (name, input_text + start, len); | |
f8b2ac1e | 8967 | name[len] = 0; |
6599da04 JM |
8968 | input_text_offset = i; |
8969 | } | |
8970 | ||
8971 | skip_whitespace (); | |
8972 | ||
8973 | /* It is not required that the definition of a macro includes an arglist. | |
8974 | If not, don't try to get the named parameters, just use a null list. */ | |
8975 | if (curchar () == '{') | |
8976 | { | |
8977 | int arglist_index = 0, arglist_size = 0; | |
8978 | int gathering_words = 1; | |
8979 | char *word = (char *)NULL; | |
8980 | int character; | |
8981 | ||
8982 | /* Read the words inside of the braces which determine the arglist. | |
f8b2ac1e JL |
8983 | These words will be replaced within the body of the macro at |
8984 | execution time. */ | |
6599da04 JM |
8985 | |
8986 | input_text_offset++; | |
8987 | skip_whitespace_and_newlines (); | |
8988 | ||
8989 | while (gathering_words) | |
f8b2ac1e JL |
8990 | { |
8991 | int len; | |
8992 | ||
8993 | for (i = input_text_offset; | |
8994 | (character = input_text[i]); | |
8995 | i++) | |
8996 | { | |
8997 | switch (character) | |
8998 | { | |
8999 | case '\n': | |
9000 | line_number++; | |
9001 | case ' ': | |
9002 | case '\t': | |
9003 | case ',': | |
9004 | case '}': | |
9005 | /* Found the end of the current arglist word. Save it. */ | |
9006 | len = i - input_text_offset; | |
9007 | word = (char *)xmalloc (1 + len); | |
9008 | strncpy (word, input_text + input_text_offset, len); | |
9009 | word[len] = 0; | |
9010 | input_text_offset = i; | |
9011 | ||
9012 | /* Advance to the comma or close-brace that signified | |
9013 | the end of the argument. */ | |
9014 | while ((character = curchar ()) | |
9015 | && character != ',' | |
9016 | && character != '}') | |
9017 | { | |
9018 | input_text_offset++; | |
9019 | if (character == '\n') | |
9020 | line_number++; | |
9021 | } | |
9022 | ||
9023 | /* Add the word to our list of words. */ | |
9024 | if ((arglist_index + 2) >= arglist_size) | |
9025 | arglist = (char **)xrealloc | |
9026 | (arglist, (arglist_size += 10) * sizeof (char *)); | |
9027 | ||
9028 | arglist[arglist_index++] = word; | |
9029 | arglist[arglist_index] = (char *)NULL; | |
9030 | break; | |
9031 | } | |
9032 | ||
9033 | if (character == '}') | |
9034 | { | |
9035 | input_text_offset++; | |
9036 | gathering_words = 0; | |
9037 | break; | |
9038 | } | |
9039 | ||
9040 | if (character == ',') | |
9041 | { | |
9042 | input_text_offset++; | |
9043 | skip_whitespace_and_newlines (); | |
9044 | i = input_text_offset - 1; | |
9045 | } | |
9046 | } | |
9047 | } | |
6599da04 JM |
9048 | } |
9049 | ||
9050 | /* Read the text carefully until we find an "@end macro" which | |
9051 | matches this one. The text in between is the body of the macro. */ | |
9052 | skip_whitespace_and_newlines (); | |
9053 | ||
9054 | while (depth) | |
9055 | { | |
9056 | if ((input_text_offset + 9) > size_of_input_text) | |
f8b2ac1e JL |
9057 | { |
9058 | int temp_line = line_number; | |
9059 | line_number = defining_line; | |
9060 | line_error (_("%cend macro not found"), COMMAND_PREFIX); | |
9061 | line_number = temp_line; | |
9062 | return; | |
9063 | } | |
6599da04 JM |
9064 | |
9065 | get_rest_of_line (&line); | |
9066 | ||
9067 | /* Handle commands only meaningful within a macro. */ | |
9068 | if ((*line == COMMAND_PREFIX) && (depth == 1) && | |
f8b2ac1e JL |
9069 | (strncmp (line + 1, "allow-recursion", 15) == 0) && |
9070 | (line[16] == 0 || whitespace (line[16]))) | |
9071 | { | |
9072 | for (i = 16; whitespace (line[i]); i++); | |
9073 | strcpy (line, line + i); | |
9074 | flags |= ME_RECURSE; | |
9075 | if (!*line) | |
9076 | { | |
9077 | free (line); | |
9078 | continue; | |
9079 | } | |
9080 | } | |
6599da04 JM |
9081 | |
9082 | if ((*line == COMMAND_PREFIX) && (depth == 1) && | |
f8b2ac1e JL |
9083 | (strncmp (line + 1, "quote-arg", 9) == 0) && |
9084 | (line[10] == 0 || whitespace (line[10]))) | |
9085 | { | |
9086 | for (i = 10; whitespace (line[i]); i++); | |
9087 | strcpy (line, line + i); | |
9088 | ||
9089 | if (arglist && arglist[0] && !arglist[1]) | |
9090 | { | |
9091 | flags |= ME_QUOTE_ARG; | |
9092 | if (!*line) | |
9093 | { | |
9094 | free (line); | |
9095 | continue; | |
9096 | } | |
9097 | } | |
9098 | else | |
9099 | { | |
9100 | line_error (_("%cquote-arg only useful when the macro takes a single argument"), | |
9101 | COMMAND_PREFIX); | |
9102 | } | |
9103 | } | |
6599da04 JM |
9104 | |
9105 | if ((*line == COMMAND_PREFIX) && | |
f8b2ac1e JL |
9106 | (strncmp (line + 1, "macro ", 6) == 0)) |
9107 | depth++; | |
6599da04 JM |
9108 | |
9109 | if ((*line == COMMAND_PREFIX) && | |
f8b2ac1e JL |
9110 | (strncmp (line + 1, "end macro", 9) == 0)) |
9111 | depth--; | |
6599da04 JM |
9112 | |
9113 | if (depth) | |
f8b2ac1e JL |
9114 | { |
9115 | if ((body_index + strlen (line) + 3) >= body_size) | |
9116 | body = (char *)xrealloc | |
9117 | (body, body_size += 3 + strlen (line)); | |
9118 | strcpy (body + body_index, line); | |
9119 | body_index += strlen (line); | |
9120 | body[body_index++] = '\n'; | |
9121 | body[body_index] = 0; | |
9122 | } | |
6599da04 JM |
9123 | free (line); |
9124 | } | |
9125 | ||
f8b2ac1e JL |
9126 | /* If it was an empty macro like |
9127 | @macro foo | |
9128 | @end macro | |
9129 | create an empty body. (Otherwise, the macro is not expanded.) */ | |
9130 | if (!body) | |
9131 | { | |
9132 | body = (char *)malloc(1); | |
9133 | *body = 0; | |
9134 | } | |
9135 | ||
6599da04 JM |
9136 | /* We now have the name, the arglist, and the body. However, BODY |
9137 | includes the final newline which preceded the `@end macro' text. | |
9138 | Delete it. */ | |
9139 | if (body && strlen (body)) | |
f8b2ac1e | 9140 | body[strlen (body) - 1] = 0; |
6599da04 JM |
9141 | |
9142 | add_macro (name, arglist, body, input_filename, defining_line, flags); | |
9143 | ||
d275726b | 9144 | if (macro_expansion_output_stream && !executing_string) |
6599da04 JM |
9145 | remember_itext (input_text, input_text_offset); |
9146 | } | |
9147 | ||
9148 | void | |
9149 | cm_unmacro () | |
9150 | { | |
9151 | register int i; | |
9152 | char *line, *name; | |
9153 | MACRO_DEF *def; | |
9154 | ||
d275726b | 9155 | if (macro_expansion_output_stream && !executing_string) |
6599da04 JM |
9156 | me_append_before_this_command (); |
9157 | ||
9158 | get_rest_of_line (&line); | |
6599da04 JM |
9159 | |
9160 | for (i = 0; line[i] && !whitespace (line[i]); i++); | |
f8b2ac1e | 9161 | name = (char *)xmalloc (i + 1); |
6599da04 | 9162 | strncpy (name, line, i); |
f8b2ac1e | 9163 | name[i] = 0; |
6599da04 JM |
9164 | |
9165 | def = delete_macro (name); | |
9166 | ||
9167 | if (def) | |
9168 | { | |
9169 | free (def->source_file); | |
9170 | free (def->name); | |
9171 | free (def->body); | |
9172 | ||
9173 | if (def->arglist) | |
f8b2ac1e JL |
9174 | { |
9175 | register int i; | |
6599da04 | 9176 | |
f8b2ac1e JL |
9177 | for (i = 0; def->arglist[i]; i++) |
9178 | free (def->arglist[i]); | |
6599da04 | 9179 | |
f8b2ac1e JL |
9180 | free (def->arglist); |
9181 | } | |
6599da04 JM |
9182 | |
9183 | free (def); | |
9184 | } | |
9185 | ||
9186 | free (line); | |
9187 | free (name); | |
9188 | ||
d275726b | 9189 | if (macro_expansion_output_stream && !executing_string) |
6599da04 JM |
9190 | remember_itext (input_text, input_text_offset); |
9191 | } | |
9192 | ||
9193 | /* How to output sections of the input file verbatim. */ | |
9194 | ||
9195 | /* Set the value of POINTER's offset to OFFSET. */ | |
9196 | ITEXT * | |
9197 | remember_itext (pointer, offset) | |
9198 | char *pointer; | |
9199 | int offset; | |
9200 | { | |
9201 | register int i; | |
9202 | ITEXT *itext = (ITEXT *)NULL; | |
9203 | ||
9204 | /* If we have no info, initialize a blank list. */ | |
9205 | if (!itext_info) | |
9206 | { | |
9207 | itext_info = (ITEXT **)xmalloc ((itext_size = 10) * sizeof (ITEXT *)); | |
9208 | for (i = 0; i < itext_size; i++) | |
f8b2ac1e | 9209 | itext_info[i] = (ITEXT *)NULL; |
6599da04 JM |
9210 | } |
9211 | ||
9212 | /* If the pointer is already present in the list, then set the offset. */ | |
9213 | for (i = 0; i < itext_size; i++) | |
9214 | if ((itext_info[i] != (ITEXT *)NULL) && | |
f8b2ac1e | 9215 | (itext_info[i]->pointer == pointer)) |
6599da04 | 9216 | { |
f8b2ac1e JL |
9217 | itext = itext_info[i]; |
9218 | itext_info[i]->offset = offset; | |
9219 | break; | |
6599da04 JM |
9220 | } |
9221 | ||
9222 | if (i == itext_size) | |
9223 | { | |
f8b2ac1e JL |
9224 | /* Find a blank slot (or create a new one), and remember the |
9225 | pointer and offset. */ | |
6599da04 | 9226 | for (i = 0; i < itext_size; i++) |
f8b2ac1e JL |
9227 | if (itext_info[i] == (ITEXT *)NULL) |
9228 | break; | |
6599da04 JM |
9229 | |
9230 | /* If not found, then add some slots. */ | |
9231 | if (i == itext_size) | |
f8b2ac1e JL |
9232 | { |
9233 | register int j; | |
6599da04 | 9234 | |
f8b2ac1e JL |
9235 | itext_info = (ITEXT **)xrealloc |
9236 | (itext_info, (itext_size += 10) * sizeof (ITEXT *)); | |
6599da04 | 9237 | |
f8b2ac1e JL |
9238 | for (j = i; j < itext_size; j++) |
9239 | itext_info[j] = (ITEXT *)NULL; | |
9240 | } | |
6599da04 JM |
9241 | |
9242 | /* Now add the pointer and the offset. */ | |
9243 | itext_info[i] = (ITEXT *)xmalloc (sizeof (ITEXT)); | |
9244 | itext_info[i]->pointer = pointer; | |
9245 | itext_info[i]->offset = offset; | |
9246 | itext = itext_info[i]; | |
9247 | } | |
9248 | return (itext); | |
9249 | } | |
9250 | ||
9251 | /* Forget the input text associated with POINTER. */ | |
9252 | void | |
9253 | forget_itext (pointer) | |
9254 | char *pointer; | |
9255 | { | |
9256 | register int i; | |
9257 | ||
9258 | for (i = 0; i < itext_size; i++) | |
9259 | if (itext_info[i] && (itext_info[i]->pointer == pointer)) | |
9260 | { | |
f8b2ac1e JL |
9261 | free (itext_info[i]); |
9262 | itext_info[i] = (ITEXT *)NULL; | |
9263 | break; | |
6599da04 JM |
9264 | } |
9265 | } | |
9266 | ||
9267 | /* Append the text which appeared in input_text from the last offset to | |
9268 | the character just before the command that we are currently executing. */ | |
9269 | void | |
9270 | me_append_before_this_command () | |
9271 | { | |
9272 | register int i; | |
9273 | ||
9274 | for (i = input_text_offset; i && (input_text[i] != COMMAND_PREFIX); i--); | |
9275 | maybe_write_itext (input_text, i); | |
9276 | } | |
9277 | ||
9278 | /* Similar to execute_string (), but only takes a single string argument, | |
9279 | and remembers the input text location, etc. */ | |
9280 | void | |
9281 | me_execute_string (execution_string) | |
9282 | char *execution_string; | |
9283 | { | |
9284 | pushfile (); | |
9285 | input_text_offset = 0; | |
9286 | input_text = execution_string; | |
f8b2ac1e | 9287 | input_filename = xstrdup (input_filename); |
6599da04 JM |
9288 | size_of_input_text = strlen (execution_string); |
9289 | ||
9290 | remember_itext (execution_string, 0); | |
9291 | ||
d275726b | 9292 | me_executing_string++; |
6599da04 JM |
9293 | reader_loop (); |
9294 | popfile (); | |
d275726b | 9295 | me_executing_string--; |
6599da04 JM |
9296 | } |
9297 | ||
9298 | /* Append the text which appears in input_text from the last offset to | |
9299 | the current OFFSET. */ | |
9300 | void | |
9301 | append_to_expansion_output (offset) | |
9302 | int offset; | |
9303 | { | |
9304 | register int i; | |
9305 | ITEXT *itext = (ITEXT *)NULL; | |
9306 | ||
9307 | for (i = 0; i < itext_size; i++) | |
9308 | if (itext_info[i] && itext_info[i]->pointer == input_text) | |
9309 | { | |
f8b2ac1e JL |
9310 | itext = itext_info[i]; |
9311 | break; | |
6599da04 JM |
9312 | } |
9313 | ||
9314 | if (!itext) | |
d275726b | 9315 | return; |
6599da04 JM |
9316 | |
9317 | if (offset > itext->offset) | |
9318 | { | |
9319 | write_region_to_macro_output | |
f8b2ac1e | 9320 | (input_text, itext->offset, offset); |
6599da04 JM |
9321 | remember_itext (input_text, offset); |
9322 | } | |
9323 | } | |
9324 | ||
9325 | /* Only write this input text iff it appears in our itext list. */ | |
9326 | void | |
9327 | maybe_write_itext (pointer, offset) | |
9328 | char *pointer; | |
9329 | int offset; | |
9330 | { | |
9331 | register int i; | |
9332 | ITEXT *itext = (ITEXT *)NULL; | |
9333 | ||
9334 | for (i = 0; i < itext_size; i++) | |
9335 | if (itext_info[i] && (itext_info[i]->pointer == pointer)) | |
9336 | { | |
f8b2ac1e JL |
9337 | itext = itext_info[i]; |
9338 | break; | |
6599da04 JM |
9339 | } |
9340 | ||
9341 | if (itext && (itext->offset < offset)) | |
9342 | { | |
9343 | write_region_to_macro_output (itext->pointer, itext->offset, offset); | |
9344 | remember_itext (pointer, offset); | |
9345 | } | |
9346 | } | |
9347 | ||
9348 | void | |
9349 | write_region_to_macro_output (string, start, end) | |
9350 | char *string; | |
9351 | int start, end; | |
9352 | { | |
9353 | if (macro_expansion_output_stream) | |
9354 | fwrite (string + start, 1, end - start, macro_expansion_output_stream); | |
9355 | } | |
9356 | ||
9357 | #endif /* HAVE_MACROS */ | |
9358 | ||
9359 | /* Return the length of the array in ARRAY. */ | |
9360 | int | |
9361 | array_len (array) | |
9362 | char **array; | |
9363 | { | |
9364 | register int i = 0; | |
9365 | ||
9366 | if (array) | |
9367 | for (i = 0; array[i] != (char *)NULL; i++); | |
9368 | ||
9369 | return (i); | |
9370 | } | |
9371 | ||
9372 | void | |
9373 | free_array (array) | |
9374 | char **array; | |
9375 | { | |
9376 | if (array) | |
9377 | { | |
9378 | register int i; | |
9379 | ||
9380 | for (i = 0; array[i] != (char *)NULL; i++) | |
f8b2ac1e | 9381 | free (array[i]); |
6599da04 JM |
9382 | |
9383 | free (array); | |
9384 | } | |
9385 | } | |
9386 | ||
9387 | /* Function is used even when we don't have macros. Although, I have | |
9388 | to admit, it is unlikely that you would have a use for it if you | |
9389 | aren't using macros. */ | |
9390 | char ** | |
9391 | get_brace_args (quote_single) | |
9392 | int quote_single; | |
9393 | { | |
9394 | char **arglist, *word; | |
9395 | int arglist_index, arglist_size; | |
9396 | int character, escape_seen, start; | |
9397 | int depth = 1; | |
9398 | ||
9399 | /* There is an arglist in braces here, so gather the args inside of it. */ | |
9400 | skip_whitespace_and_newlines (); | |
9401 | input_text_offset++; | |
9402 | arglist = (char **)NULL; | |
9403 | arglist_index = arglist_size = 0; | |
9404 | ||
9405 | get_arg: | |
9406 | skip_whitespace_and_newlines (); | |
9407 | start = input_text_offset; | |
9408 | escape_seen = 0; | |
9409 | ||
f8b2ac1e | 9410 | while ((character = curchar ())) |
6599da04 JM |
9411 | { |
9412 | if (character == '\\') | |
f8b2ac1e JL |
9413 | { |
9414 | input_text_offset += 2; | |
9415 | escape_seen = 1; | |
9416 | } | |
6599da04 | 9417 | else if (character == '{') |
f8b2ac1e JL |
9418 | { |
9419 | depth++; | |
9420 | input_text_offset++; | |
9421 | } | |
6599da04 | 9422 | else if ((character == ',' && !quote_single) || |
f8b2ac1e JL |
9423 | ((character == '}') && depth == 1)) |
9424 | { | |
9425 | int len = input_text_offset - start; | |
9426 | ||
9427 | if (len || (character != '}')) | |
9428 | { | |
9429 | word = (char *)xmalloc (1 + len); | |
9430 | strncpy (word, input_text + start, len); | |
9431 | word[len] = 0; | |
9432 | ||
9433 | /* Clean up escaped characters. */ | |
9434 | if (escape_seen) | |
9435 | { | |
9436 | register int i; | |
9437 | ||
9438 | for (i = 0; word[i]; i++) | |
9439 | if (word[i] == '\\') | |
9440 | memmove (word + i, word + i + 1, | |
9441 | 1 + strlen (word + i + 1)); | |
9442 | } | |
9443 | ||
9444 | if (arglist_index + 2 >= arglist_size) | |
9445 | arglist = (char **)xrealloc | |
9446 | (arglist, (arglist_size += 10) * sizeof (char *)); | |
9447 | ||
9448 | arglist[arglist_index++] = word; | |
9449 | arglist[arglist_index] = (char *)NULL; | |
9450 | } | |
9451 | ||
9452 | input_text_offset++; | |
9453 | if (character == '}') | |
9454 | break; | |
9455 | else | |
9456 | goto get_arg; | |
9457 | } | |
6599da04 | 9458 | else if (character == '}') |
f8b2ac1e JL |
9459 | { |
9460 | depth--; | |
9461 | input_text_offset++; | |
9462 | } | |
6599da04 | 9463 | else |
f8b2ac1e JL |
9464 | { |
9465 | input_text_offset++; | |
9466 | if (character == '\n') line_number++; | |
9467 | } | |
6599da04 JM |
9468 | } |
9469 | return (arglist); | |
9470 | } | |
9471 | \f | |
9472 | /* **************************************************************** */ | |
9473 | /* */ | |
9474 | /* Looking For Include Files */ | |
9475 | /* */ | |
9476 | /* **************************************************************** */ | |
9477 | ||
9478 | /* Given a string containing units of information separated by colons, | |
9479 | return the next one pointed to by INDEX, or NULL if there are no more. | |
9480 | Advance INDEX to the character after the colon. */ | |
9481 | char * | |
9482 | extract_colon_unit (string, index) | |
9483 | char *string; | |
9484 | int *index; | |
9485 | { | |
9486 | int i, start; | |
9487 | ||
9488 | i = *index; | |
9489 | ||
9490 | if (!string || (i >= strlen (string))) | |
9491 | return ((char *)NULL); | |
9492 | ||
9493 | /* Each call to this routine leaves the index pointing at a colon if | |
9494 | there is more to the path. If I is > 0, then increment past the | |
9495 | `:'. If I is 0, then the path has a leading colon. Trailing colons | |
9496 | are handled OK by the `else' part of the if statement; an empty | |
9497 | string is returned in that case. */ | |
9498 | if (i && string[i] == ':') | |
9499 | i++; | |
9500 | ||
9501 | start = i; | |
9502 | ||
9503 | while (string[i] && string[i] != ':') i++; | |
9504 | ||
9505 | *index = i; | |
9506 | ||
9507 | if (i == start) | |
9508 | { | |
9509 | if (string[i]) | |
f8b2ac1e | 9510 | (*index)++; |
6599da04 JM |
9511 | |
9512 | /* Return "" in the case of a trailing `:'. */ | |
f8b2ac1e | 9513 | return (xstrdup ("")); |
6599da04 JM |
9514 | } |
9515 | else | |
9516 | { | |
9517 | char *value; | |
9518 | ||
9519 | value = (char *)xmalloc (1 + (i - start)); | |
9520 | strncpy (value, &string[start], (i - start)); | |
f8b2ac1e | 9521 | value [i - start] = 0; |
6599da04 JM |
9522 | |
9523 | return (value); | |
9524 | } | |
9525 | } | |
9526 | ||
9527 | /* Return the full pathname for FILENAME by searching along PATH. | |
9528 | When found, return the stat () info for FILENAME in FINFO. | |
9529 | If PATH is NULL, only the current directory is searched. | |
9530 | If the file could not be found, return a NULL pointer. */ | |
9531 | char * | |
9532 | get_file_info_in_path (filename, path, finfo) | |
9533 | char *filename, *path; | |
9534 | struct stat *finfo; | |
9535 | { | |
9536 | char *dir; | |
9537 | int result, index = 0; | |
9538 | ||
9539 | if (path == (char *)NULL) | |
9540 | path = "."; | |
9541 | ||
9542 | /* Handle absolute pathnames. "./foo", "/foo", "../foo". */ | |
9543 | if (*filename == '/' || | |
9544 | (*filename == '.' && | |
9545 | (filename[1] == '/' || | |
f8b2ac1e JL |
9546 | (filename[1] == '.' && filename[2] == '/'))) |
9547 | #ifdef WIN32 | |
9548 | /* Handle names that look like "d:/foo/bar" */ | |
9549 | || (isalpha (*filename) && filename [1] == ':' | |
9550 | && (filename [2] == '/' || filename [2] == '\\')) | |
9551 | #endif | |
9552 | ) | |
6599da04 JM |
9553 | { |
9554 | if (stat (filename, finfo) == 0) | |
f8b2ac1e | 9555 | return (xstrdup (filename)); |
6599da04 | 9556 | else |
f8b2ac1e | 9557 | return ((char *)NULL); |
6599da04 JM |
9558 | } |
9559 | ||
f8b2ac1e | 9560 | while ((dir = extract_colon_unit (path, &index))) |
6599da04 JM |
9561 | { |
9562 | char *fullpath; | |
9563 | ||
9564 | if (!*dir) | |
f8b2ac1e JL |
9565 | { |
9566 | free (dir); | |
9567 | dir = xstrdup ("."); | |
9568 | } | |
6599da04 JM |
9569 | |
9570 | fullpath = (char *)xmalloc (2 + strlen (dir) + strlen (filename)); | |
9571 | sprintf (fullpath, "%s/%s", dir, filename); | |
9572 | free (dir); | |
9573 | ||
9574 | result = stat (fullpath, finfo); | |
9575 | ||
9576 | if (result == 0) | |
f8b2ac1e | 9577 | return (fullpath); |
6599da04 | 9578 | else |
f8b2ac1e | 9579 | free (fullpath); |
6599da04 | 9580 | } |
f8b2ac1e | 9581 | return NULL; |
6599da04 | 9582 | } |