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Commit | Line | Data |
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726f6388 JA |
1 | /* bashline.c -- Bash's interface to the readline library. */ |
2 | ||
495aee44 | 3 | /* Copyright (C) 1987-2011 Free Software Foundation, Inc. |
726f6388 JA |
4 | |
5 | This file is part of GNU Bash, the Bourne Again SHell. | |
6 | ||
3185942a JA |
7 | Bash 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 3 of the License, or | |
10 | (at your option) any later version. | |
726f6388 | 11 | |
3185942a JA |
12 | Bash 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. | |
726f6388 JA |
16 | |
17 | You should have received a copy of the GNU General Public License | |
3185942a JA |
18 | along with Bash. If not, see <http://www.gnu.org/licenses/>. |
19 | */ | |
726f6388 | 20 | |
ccc6cda3 JA |
21 | #include "config.h" |
22 | ||
23 | #if defined (READLINE) | |
24 | ||
726f6388 JA |
25 | #include "bashtypes.h" |
26 | #include "posixstat.h" | |
27 | ||
ccc6cda3 JA |
28 | #if defined (HAVE_UNISTD_H) |
29 | # include <unistd.h> | |
30 | #endif | |
31 | ||
f73dda09 JA |
32 | #if defined (HAVE_GRP_H) |
33 | # include <grp.h> | |
34 | #endif | |
35 | ||
7117c2d2 JA |
36 | #if defined (HAVE_NETDB_H) |
37 | # include <netdb.h> | |
38 | #endif | |
39 | ||
726f6388 | 40 | #include <stdio.h> |
f73dda09 | 41 | #include "chartypes.h" |
726f6388 | 42 | #include "bashansi.h" |
b80f6443 JA |
43 | #include "bashintl.h" |
44 | ||
726f6388 | 45 | #include "shell.h" |
7117c2d2 | 46 | #include "input.h" |
726f6388 | 47 | #include "builtins.h" |
726f6388 | 48 | #include "bashhist.h" |
ccc6cda3 | 49 | #include "bashline.h" |
726f6388 | 50 | #include "execute_cmd.h" |
cce855bc | 51 | #include "findcmd.h" |
ccc6cda3 | 52 | #include "pathexp.h" |
3185942a JA |
53 | #include "shmbutil.h" |
54 | ||
ccc6cda3 | 55 | #include "builtins/common.h" |
3185942a | 56 | |
ccc6cda3 JA |
57 | #include <readline/rlconf.h> |
58 | #include <readline/readline.h> | |
59 | #include <readline/history.h> | |
60 | ||
61 | #include <glob/glob.h> | |
726f6388 JA |
62 | |
63 | #if defined (ALIAS) | |
64 | # include "alias.h" | |
65 | #endif | |
66 | ||
bb70624e JA |
67 | #if defined (PROGRAMMABLE_COMPLETION) |
68 | # include "pcomplete.h" | |
69 | #endif | |
70 | ||
7117c2d2 JA |
71 | /* These should agree with the defines for emacs_mode and vi_mode in |
72 | rldefs.h, even though that's not a public readline header file. */ | |
73 | #ifndef EMACS_EDITING_MODE | |
74 | # define NO_EDITING_MODE -1 | |
75 | # define EMACS_EDITING_MODE 1 | |
76 | # define VI_EDITING_MODE 0 | |
77 | #endif | |
78 | ||
3185942a JA |
79 | #define RL_BOOLEAN_VARIABLE_VALUE(s) ((s)[0] == 'o' && (s)[1] == 'n' && (s)[2] == '\0') |
80 | ||
726f6388 | 81 | #if defined (BRACE_COMPLETION) |
28ef6c31 | 82 | extern int bash_brace_completion __P((int, int)); |
726f6388 JA |
83 | #endif /* BRACE_COMPLETION */ |
84 | ||
0001803f CR |
85 | /* To avoid including curses.h/term.h/termcap.h and that whole mess. */ |
86 | extern int tputs __P((const char *string, int nlines, int (*outx)(int))); | |
87 | ||
28ef6c31 JA |
88 | /* Forward declarations */ |
89 | ||
726f6388 | 90 | /* Functions bound to keys in Readline for Bash users. */ |
28ef6c31 JA |
91 | static int shell_expand_line __P((int, int)); |
92 | static int display_shell_version __P((int, int)); | |
93 | static int operate_and_get_next __P((int, int)); | |
94 | ||
95 | static int bash_ignore_filenames __P((char **)); | |
96 | static int bash_ignore_everything __P((char **)); | |
97 | ||
cce855bc | 98 | #if defined (BANG_HISTORY) |
f73dda09 | 99 | static char *history_expand_line_internal __P((char *)); |
28ef6c31 JA |
100 | static int history_expand_line __P((int, int)); |
101 | static int tcsh_magic_space __P((int, int)); | |
cce855bc | 102 | #endif /* BANG_HISTORY */ |
d166f048 | 103 | #ifdef ALIAS |
28ef6c31 | 104 | static int alias_expand_line __P((int, int)); |
cce855bc JA |
105 | #endif |
106 | #if defined (BANG_HISTORY) && defined (ALIAS) | |
28ef6c31 | 107 | static int history_and_alias_expand_line __P((int, int)); |
d166f048 | 108 | #endif |
726f6388 | 109 | |
3185942a JA |
110 | static int bash_forward_shellword __P((int, int)); |
111 | static int bash_backward_shellword __P((int, int)); | |
112 | static int bash_kill_shellword __P((int, int)); | |
113 | static int bash_backward_kill_shellword __P((int, int)); | |
114 | ||
726f6388 | 115 | /* Helper functions for Readline. */ |
3185942a JA |
116 | static char *restore_tilde __P((char *, char *)); |
117 | ||
0001803f | 118 | static char *bash_filename_rewrite_hook __P((char *, int)); |
95732b49 | 119 | static void bash_directory_expansion __P((char **)); |
f73dda09 JA |
120 | static int bash_directory_completion_hook __P((char **)); |
121 | static int filename_completion_ignore __P((char **)); | |
28ef6c31 | 122 | static int bash_push_line __P((void)); |
726f6388 | 123 | |
16b2d7f4 CR |
124 | static rl_icppfunc_t *save_directory_hook __P((void)); |
125 | static void reset_directory_hook __P((rl_icppfunc_t *)); | |
126 | ||
f73dda09 JA |
127 | static void cleanup_expansion_error __P((void)); |
128 | static void maybe_make_readline_line __P((char *)); | |
129 | static void set_up_new_line __P((char *)); | |
130 | ||
131 | static int check_redir __P((int)); | |
28ef6c31 JA |
132 | static char **attempt_shell_completion __P((const char *, int, int)); |
133 | static char *variable_completion_function __P((const char *, int)); | |
134 | static char *hostname_completion_function __P((const char *, int)); | |
135 | static char *command_subst_completion_function __P((const char *, int)); | |
ccc6cda3 | 136 | |
f73dda09 JA |
137 | static void build_history_completion_array __P((void)); |
138 | static char *history_completion_generator __P((const char *, int)); | |
28ef6c31 | 139 | static int dynamic_complete_history __P((int, int)); |
3185942a | 140 | static int bash_dabbrev_expand __P((int, int)); |
726f6388 | 141 | |
f73dda09 | 142 | static void initialize_hostname_list __P((void)); |
28ef6c31 | 143 | static void add_host_name __P((char *)); |
f73dda09 JA |
144 | static void snarf_hosts_from_file __P((char *)); |
145 | static char **hostnames_matching __P((char *)); | |
146 | ||
147 | static void _ignore_completion_names __P((char **, sh_ignore_func_t *)); | |
148 | static int name_is_acceptable __P((const char *)); | |
149 | static int test_for_directory __P((const char *)); | |
150 | static int return_zero __P((const char *)); | |
28ef6c31 JA |
151 | |
152 | static char *bash_dequote_filename __P((char *, int)); | |
f73dda09 | 153 | static char *quote_word_break_chars __P((char *)); |
28ef6c31 | 154 | static char *bash_quote_filename __P((char *, int, char *)); |
ccc6cda3 | 155 | |
0001803f | 156 | static int putx __P((int)); |
f73dda09 JA |
157 | static int bash_execute_unix_command __P((int, int)); |
158 | static void init_unix_command_map __P((void)); | |
159 | static int isolate_sequence __P((char *, int, int, int *)); | |
160 | ||
161 | static int set_saved_history __P((void)); | |
162 | ||
ccc6cda3 | 163 | #if defined (ALIAS) |
28ef6c31 | 164 | static int posix_edit_macros __P((int, int)); |
ccc6cda3 | 165 | #endif |
726f6388 | 166 | |
bb70624e | 167 | #if defined (PROGRAMMABLE_COMPLETION) |
f73dda09 JA |
168 | static int find_cmd_start __P((int)); |
169 | static int find_cmd_end __P((int)); | |
170 | static char *find_cmd_name __P((int)); | |
171 | static char *prog_complete_return __P((const char *, int)); | |
172 | ||
bb70624e | 173 | static char **prog_complete_matches; |
bb70624e JA |
174 | #endif |
175 | ||
726f6388 | 176 | /* Variables used here but defined in other files. */ |
b80f6443 JA |
177 | #if defined (BANG_HISTORY) |
178 | extern int hist_verify; | |
179 | #endif | |
180 | ||
495aee44 CR |
181 | extern int current_command_line_count, saved_command_line_count; |
182 | extern int last_command_exit_value; | |
3185942a | 183 | extern int array_needs_making; |
726f6388 | 184 | extern int posixly_correct, no_symbolic_links; |
726f6388 JA |
185 | extern char *current_prompt_string, *ps1_prompt; |
186 | extern STRING_INT_ALIST word_token_alist[]; | |
b80f6443 | 187 | extern sh_builtin_func_t *last_shell_builtin, *this_shell_builtin; |
726f6388 JA |
188 | |
189 | /* SPECIFIC_COMPLETION_FUNCTIONS specifies that we have individual | |
190 | completion functions which indicate what type of completion should be | |
191 | done (at or before point) that can be bound to key sequences with | |
192 | the readline library. */ | |
193 | #define SPECIFIC_COMPLETION_FUNCTIONS | |
194 | ||
195 | #if defined (SPECIFIC_COMPLETION_FUNCTIONS) | |
28ef6c31 JA |
196 | static int bash_specific_completion __P((int, rl_compentry_func_t *)); |
197 | ||
198 | static int bash_complete_filename_internal __P((int)); | |
199 | static int bash_complete_username_internal __P((int)); | |
200 | static int bash_complete_hostname_internal __P((int)); | |
201 | static int bash_complete_variable_internal __P((int)); | |
202 | static int bash_complete_command_internal __P((int)); | |
203 | ||
204 | static int bash_complete_filename __P((int, int)); | |
205 | static int bash_possible_filename_completions __P((int, int)); | |
206 | static int bash_complete_username __P((int, int)); | |
207 | static int bash_possible_username_completions __P((int, int)); | |
208 | static int bash_complete_hostname __P((int, int)); | |
209 | static int bash_possible_hostname_completions __P((int, int)); | |
210 | static int bash_complete_variable __P((int, int)); | |
211 | static int bash_possible_variable_completions __P((int, int)); | |
212 | static int bash_complete_command __P((int, int)); | |
213 | static int bash_possible_command_completions __P((int, int)); | |
f73dda09 JA |
214 | |
215 | static char *glob_complete_word __P((const char *, int)); | |
216 | static int bash_glob_completion_internal __P((int)); | |
7117c2d2 | 217 | static int bash_glob_complete_word __P((int, int)); |
f73dda09 JA |
218 | static int bash_glob_expand_word __P((int, int)); |
219 | static int bash_glob_list_expansions __P((int, int)); | |
b80f6443 | 220 | |
726f6388 JA |
221 | #endif /* SPECIFIC_COMPLETION_FUNCTIONS */ |
222 | ||
7117c2d2 | 223 | static int edit_and_execute_command __P((int, int, int, char *)); |
726f6388 | 224 | #if defined (VI_MODE) |
28ef6c31 | 225 | static int vi_edit_and_execute_command __P((int, int)); |
b80f6443 | 226 | static int bash_vi_complete __P((int, int)); |
726f6388 | 227 | #endif |
7117c2d2 | 228 | static int emacs_edit_and_execute_command __P((int, int)); |
726f6388 | 229 | |
ccc6cda3 JA |
230 | /* Non-zero once initalize_readline () has been called. */ |
231 | int bash_readline_initialized = 0; | |
232 | ||
233 | /* If non-zero, we do hostname completion, breaking words at `@' and | |
234 | trying to complete the stuff after the `@' from our own internal | |
235 | host list. */ | |
236 | int perform_hostname_completion = 1; | |
237 | ||
bb70624e JA |
238 | /* If non-zero, we don't do command completion on an empty line. */ |
239 | int no_empty_command_completion; | |
240 | ||
b80f6443 JA |
241 | /* Set FORCE_FIGNORE if you want to honor FIGNORE even if it ignores the |
242 | only possible matches. Set to 0 if you want to match filenames if they | |
243 | are the only possible matches, even if FIGNORE says to. */ | |
244 | int force_fignore = 1; | |
245 | ||
3185942a JA |
246 | /* Perform spelling correction on directory names during word completion */ |
247 | int dircomplete_spelling = 0; | |
248 | ||
16b2d7f4 CR |
249 | /* Expand directory names during word/filename completion. */ |
250 | int dircomplete_expand = 0; | |
251 | int dircomplete_expand_relpath = 0; | |
252 | ||
ccc6cda3 JA |
253 | static char *bash_completer_word_break_characters = " \t\n\"'@><=;|&(:"; |
254 | static char *bash_nohostname_word_break_characters = " \t\n\"'><=;|&(:"; | |
b80f6443 | 255 | /* )) */ |
ccc6cda3 | 256 | |
16b2d7f4 CR |
257 | static const char *default_filename_quote_characters = " \t\n\\\"'@<>=;|&()#$`?*[!:{~"; /*}*/ |
258 | static char *custom_filename_quote_characters = 0; | |
259 | ||
28ef6c31 | 260 | static rl_hook_func_t *old_rl_startup_hook = (rl_hook_func_t *)NULL; |
726f6388 | 261 | |
95732b49 JA |
262 | static int dot_in_path = 0; |
263 | ||
0001803f CR |
264 | /* Set to non-zero when dabbrev-expand is running */ |
265 | static int dabbrev_expand_active = 0; | |
266 | ||
ccc6cda3 JA |
267 | /* What kind of quoting is performed by bash_quote_filename: |
268 | COMPLETE_DQUOTE = double-quoting the filename | |
269 | COMPLETE_SQUOTE = single_quoting the filename | |
270 | COMPLETE_BSQUOTE = backslash-quoting special chars in the filename | |
271 | */ | |
272 | #define COMPLETE_DQUOTE 1 | |
273 | #define COMPLETE_SQUOTE 2 | |
274 | #define COMPLETE_BSQUOTE 3 | |
275 | static int completion_quoting_style = COMPLETE_BSQUOTE; | |
276 | ||
0628567a JA |
277 | /* Flag values for the final argument to bash_default_completion */ |
278 | #define DEFCOMP_CMDPOS 1 | |
279 | ||
726f6388 JA |
280 | /* Change the readline VI-mode keymaps into or out of Posix.2 compliance. |
281 | Called when the shell is put into or out of `posix' mode. */ | |
282 | void | |
283 | posix_readline_initialize (on_or_off) | |
284 | int on_or_off; | |
285 | { | |
ccc6cda3 JA |
286 | if (on_or_off) |
287 | rl_variable_bind ("comment-begin", "#"); | |
726f6388 | 288 | #if defined (VI_MODE) |
7117c2d2 | 289 | rl_bind_key_in_map (CTRL ('I'), on_or_off ? rl_insert : rl_complete, vi_insertion_keymap); |
ccc6cda3 JA |
290 | #endif |
291 | } | |
292 | ||
3185942a JA |
293 | void |
294 | reset_completer_word_break_chars () | |
295 | { | |
296 | rl_completer_word_break_characters = perform_hostname_completion ? savestring (bash_completer_word_break_characters) : savestring (bash_nohostname_word_break_characters); | |
297 | } | |
298 | ||
b80f6443 JA |
299 | /* When this function returns, rl_completer_word_break_characters points to |
300 | dynamically allocated memory. */ | |
f73dda09 | 301 | int |
ccc6cda3 JA |
302 | enable_hostname_completion (on_or_off) |
303 | int on_or_off; | |
304 | { | |
f73dda09 | 305 | int old_value; |
b80f6443 | 306 | char *at, *nv, *nval; |
f73dda09 JA |
307 | |
308 | old_value = perform_hostname_completion; | |
309 | ||
726f6388 JA |
310 | if (on_or_off) |
311 | { | |
ccc6cda3 JA |
312 | perform_hostname_completion = 1; |
313 | rl_special_prefixes = "$@"; | |
726f6388 JA |
314 | } |
315 | else | |
ccc6cda3 JA |
316 | { |
317 | perform_hostname_completion = 0; | |
318 | rl_special_prefixes = "$"; | |
b80f6443 JA |
319 | } |
320 | ||
321 | /* Now we need to figure out how to appropriately modify and assign | |
322 | rl_completer_word_break_characters depending on whether we want | |
323 | hostname completion on or off. */ | |
324 | ||
325 | /* If this is the first time this has been called | |
326 | (bash_readline_initialized == 0), use the sames values as before, but | |
327 | allocate new memory for rl_completer_word_break_characters. */ | |
328 | ||
329 | if (bash_readline_initialized == 0 && | |
330 | (rl_completer_word_break_characters == 0 || | |
331 | rl_completer_word_break_characters == rl_basic_word_break_characters)) | |
332 | { | |
333 | if (on_or_off) | |
334 | rl_completer_word_break_characters = savestring (bash_completer_word_break_characters); | |
335 | else | |
336 | rl_completer_word_break_characters = savestring (bash_nohostname_word_break_characters); | |
337 | } | |
338 | else | |
339 | { | |
340 | /* See if we have anything to do. */ | |
341 | at = strchr (rl_completer_word_break_characters, '@'); | |
342 | if ((at == 0 && on_or_off == 0) || (at != 0 && on_or_off != 0)) | |
eb873671 | 343 | return old_value; |
b80f6443 JA |
344 | |
345 | /* We have something to do. Do it. */ | |
346 | nval = (char *)xmalloc (strlen (rl_completer_word_break_characters) + 1 + on_or_off); | |
347 | ||
348 | if (on_or_off == 0) | |
349 | { | |
350 | /* Turn it off -- just remove `@' from word break chars. We want | |
351 | to remove all occurrences of `@' from the char list, so we loop | |
352 | rather than just copy the rest of the list over AT. */ | |
353 | for (nv = nval, at = rl_completer_word_break_characters; *at; ) | |
354 | if (*at != '@') | |
355 | *nv++ = *at++; | |
356 | else | |
357 | at++; | |
358 | *nv = '\0'; | |
359 | } | |
360 | else | |
361 | { | |
362 | nval[0] = '@'; | |
363 | strcpy (nval + 1, rl_completer_word_break_characters); | |
364 | } | |
365 | ||
366 | free (rl_completer_word_break_characters); | |
367 | rl_completer_word_break_characters = nval; | |
ccc6cda3 | 368 | } |
f73dda09 JA |
369 | |
370 | return (old_value); | |
ccc6cda3 | 371 | } |
726f6388 JA |
372 | |
373 | /* Called once from parse.y if we are going to use readline. */ | |
374 | void | |
375 | initialize_readline () | |
376 | { | |
b80f6443 JA |
377 | rl_command_func_t *func; |
378 | char kseq[2]; | |
379 | ||
726f6388 JA |
380 | if (bash_readline_initialized) |
381 | return; | |
382 | ||
383 | rl_terminal_name = get_string_value ("TERM"); | |
384 | rl_instream = stdin; | |
385 | rl_outstream = stderr; | |
726f6388 JA |
386 | |
387 | /* Allow conditional parsing of the ~/.inputrc file. */ | |
388 | rl_readline_name = "Bash"; | |
389 | ||
28ef6c31 JA |
390 | /* Add bindable names before calling rl_initialize so they may be |
391 | referenced in the various inputrc files. */ | |
392 | rl_add_defun ("shell-expand-line", shell_expand_line, -1); | |
cce855bc | 393 | #ifdef BANG_HISTORY |
28ef6c31 JA |
394 | rl_add_defun ("history-expand-line", history_expand_line, -1); |
395 | rl_add_defun ("magic-space", tcsh_magic_space, -1); | |
cce855bc JA |
396 | #endif |
397 | ||
3185942a JA |
398 | rl_add_defun ("shell-forward-word", bash_forward_shellword, -1); |
399 | rl_add_defun ("shell-backward-word", bash_backward_shellword, -1); | |
400 | rl_add_defun ("shell-kill-word", bash_kill_shellword, -1); | |
401 | rl_add_defun ("shell-backward-kill-word", bash_backward_kill_shellword, -1); | |
402 | ||
d166f048 | 403 | #ifdef ALIAS |
28ef6c31 | 404 | rl_add_defun ("alias-expand-line", alias_expand_line, -1); |
bc4cd23c | 405 | # ifdef BANG_HISTORY |
28ef6c31 | 406 | rl_add_defun ("history-and-alias-expand-line", history_and_alias_expand_line, -1); |
bc4cd23c | 407 | # endif |
d166f048 JA |
408 | #endif |
409 | ||
726f6388 JA |
410 | /* Backwards compatibility. */ |
411 | rl_add_defun ("insert-last-argument", rl_yank_last_arg, -1); | |
412 | ||
28ef6c31 JA |
413 | rl_add_defun ("operate-and-get-next", operate_and_get_next, -1); |
414 | rl_add_defun ("display-shell-version", display_shell_version, -1); | |
7117c2d2 | 415 | rl_add_defun ("edit-and-execute-command", emacs_edit_and_execute_command, -1); |
28ef6c31 JA |
416 | |
417 | #if defined (BRACE_COMPLETION) | |
418 | rl_add_defun ("complete-into-braces", bash_brace_completion, -1); | |
419 | #endif | |
420 | ||
421 | #if defined (SPECIFIC_COMPLETION_FUNCTIONS) | |
422 | rl_add_defun ("complete-filename", bash_complete_filename, -1); | |
423 | rl_add_defun ("possible-filename-completions", bash_possible_filename_completions, -1); | |
424 | rl_add_defun ("complete-username", bash_complete_username, -1); | |
425 | rl_add_defun ("possible-username-completions", bash_possible_username_completions, -1); | |
426 | rl_add_defun ("complete-hostname", bash_complete_hostname, -1); | |
427 | rl_add_defun ("possible-hostname-completions", bash_possible_hostname_completions, -1); | |
428 | rl_add_defun ("complete-variable", bash_complete_variable, -1); | |
429 | rl_add_defun ("possible-variable-completions", bash_possible_variable_completions, -1); | |
430 | rl_add_defun ("complete-command", bash_complete_command, -1); | |
431 | rl_add_defun ("possible-command-completions", bash_possible_command_completions, -1); | |
7117c2d2 | 432 | rl_add_defun ("glob-complete-word", bash_glob_complete_word, -1); |
28ef6c31 JA |
433 | rl_add_defun ("glob-expand-word", bash_glob_expand_word, -1); |
434 | rl_add_defun ("glob-list-expansions", bash_glob_list_expansions, -1); | |
435 | #endif | |
436 | ||
437 | rl_add_defun ("dynamic-complete-history", dynamic_complete_history, -1); | |
3185942a | 438 | rl_add_defun ("dabbrev-expand", bash_dabbrev_expand, -1); |
726f6388 | 439 | |
28ef6c31 JA |
440 | /* Bind defaults before binding our custom shell keybindings. */ |
441 | if (RL_ISSTATE(RL_STATE_INITIALIZED) == 0) | |
442 | rl_initialize (); | |
443 | ||
444 | /* Bind up our special shell functions. */ | |
b80f6443 | 445 | rl_bind_key_if_unbound_in_map (CTRL('E'), shell_expand_line, emacs_meta_keymap); |
28ef6c31 | 446 | |
28ef6c31 | 447 | #ifdef BANG_HISTORY |
b80f6443 | 448 | rl_bind_key_if_unbound_in_map ('^', history_expand_line, emacs_meta_keymap); |
28ef6c31 JA |
449 | #endif |
450 | ||
b80f6443 JA |
451 | rl_bind_key_if_unbound_in_map (CTRL ('O'), operate_and_get_next, emacs_standard_keymap); |
452 | rl_bind_key_if_unbound_in_map (CTRL ('V'), display_shell_version, emacs_ctlx_keymap); | |
726f6388 JA |
453 | |
454 | /* In Bash, the user can switch editing modes with "set -o [vi emacs]", | |
455 | so it is not necessary to allow C-M-j for context switching. Turn | |
456 | off this occasionally confusing behaviour. */ | |
b80f6443 JA |
457 | kseq[0] = CTRL('J'); |
458 | kseq[1] = '\0'; | |
459 | func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL); | |
460 | if (func == rl_vi_editing_mode) | |
461 | rl_unbind_key_in_map (CTRL('J'), emacs_meta_keymap); | |
462 | kseq[0] = CTRL('M'); | |
463 | func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL); | |
464 | if (func == rl_vi_editing_mode) | |
465 | rl_unbind_key_in_map (CTRL('M'), emacs_meta_keymap); | |
726f6388 JA |
466 | #if defined (VI_MODE) |
467 | rl_unbind_key_in_map (CTRL('E'), vi_movement_keymap); | |
468 | #endif | |
ccc6cda3 | 469 | |
726f6388 | 470 | #if defined (BRACE_COMPLETION) |
b80f6443 | 471 | rl_bind_key_if_unbound_in_map ('{', bash_brace_completion, emacs_meta_keymap); /*}*/ |
726f6388 JA |
472 | #endif /* BRACE_COMPLETION */ |
473 | ||
474 | #if defined (SPECIFIC_COMPLETION_FUNCTIONS) | |
b80f6443 JA |
475 | rl_bind_key_if_unbound_in_map ('/', bash_complete_filename, emacs_meta_keymap); |
476 | rl_bind_key_if_unbound_in_map ('/', bash_possible_filename_completions, emacs_ctlx_keymap); | |
28ef6c31 | 477 | |
b80f6443 JA |
478 | /* Have to jump through hoops here because there is a default binding for |
479 | M-~ (rl_tilde_expand) */ | |
480 | kseq[0] = '~'; | |
481 | kseq[1] = '\0'; | |
482 | func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL); | |
483 | if (func == 0 || func == rl_tilde_expand) | |
484 | rl_bind_keyseq_in_map (kseq, bash_complete_username, emacs_meta_keymap); | |
28ef6c31 | 485 | |
b80f6443 | 486 | rl_bind_key_if_unbound_in_map ('~', bash_possible_username_completions, emacs_ctlx_keymap); |
28ef6c31 | 487 | |
b80f6443 JA |
488 | rl_bind_key_if_unbound_in_map ('@', bash_complete_hostname, emacs_meta_keymap); |
489 | rl_bind_key_if_unbound_in_map ('@', bash_possible_hostname_completions, emacs_ctlx_keymap); | |
28ef6c31 | 490 | |
b80f6443 JA |
491 | rl_bind_key_if_unbound_in_map ('$', bash_complete_variable, emacs_meta_keymap); |
492 | rl_bind_key_if_unbound_in_map ('$', bash_possible_variable_completions, emacs_ctlx_keymap); | |
28ef6c31 | 493 | |
b80f6443 JA |
494 | rl_bind_key_if_unbound_in_map ('!', bash_complete_command, emacs_meta_keymap); |
495 | rl_bind_key_if_unbound_in_map ('!', bash_possible_command_completions, emacs_ctlx_keymap); | |
496 | ||
497 | rl_bind_key_if_unbound_in_map ('g', bash_glob_complete_word, emacs_meta_keymap); | |
498 | rl_bind_key_if_unbound_in_map ('*', bash_glob_expand_word, emacs_ctlx_keymap); | |
499 | rl_bind_key_if_unbound_in_map ('g', bash_glob_list_expansions, emacs_ctlx_keymap); | |
726f6388 JA |
500 | |
501 | #endif /* SPECIFIC_COMPLETION_FUNCTIONS */ | |
502 | ||
95732b49 JA |
503 | kseq[0] = TAB; |
504 | kseq[1] = '\0'; | |
505 | func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL); | |
506 | if (func == 0 || func == rl_tab_insert) | |
507 | rl_bind_key_in_map (TAB, dynamic_complete_history, emacs_meta_keymap); | |
726f6388 JA |
508 | |
509 | /* Tell the completer that we want a crack first. */ | |
28ef6c31 | 510 | rl_attempted_completion_function = attempt_shell_completion; |
726f6388 JA |
511 | |
512 | /* Tell the completer that we might want to follow symbolic links or | |
513 | do other expansion on directory names. */ | |
16b2d7f4 | 514 | set_directory_hook (); |
726f6388 | 515 | |
0001803f CR |
516 | rl_filename_rewrite_hook = bash_filename_rewrite_hook; |
517 | ||
726f6388 | 518 | /* Tell the filename completer we want a chance to ignore some names. */ |
28ef6c31 | 519 | rl_ignore_some_completions_function = filename_completion_ignore; |
726f6388 | 520 | |
7117c2d2 | 521 | /* Bind C-xC-e to invoke emacs and run result as commands. */ |
b80f6443 | 522 | rl_bind_key_if_unbound_in_map (CTRL ('E'), emacs_edit_and_execute_command, emacs_ctlx_keymap); |
726f6388 | 523 | #if defined (VI_MODE) |
b80f6443 | 524 | rl_bind_key_if_unbound_in_map ('v', vi_edit_and_execute_command, vi_movement_keymap); |
ccc6cda3 | 525 | # if defined (ALIAS) |
b80f6443 | 526 | rl_bind_key_if_unbound_in_map ('@', posix_edit_macros, vi_movement_keymap); |
ccc6cda3 | 527 | # endif |
b80f6443 JA |
528 | |
529 | rl_bind_key_in_map ('\\', bash_vi_complete, vi_movement_keymap); | |
530 | rl_bind_key_in_map ('*', bash_vi_complete, vi_movement_keymap); | |
531 | rl_bind_key_in_map ('=', bash_vi_complete, vi_movement_keymap); | |
726f6388 JA |
532 | #endif |
533 | ||
534 | rl_completer_quote_characters = "'\""; | |
ccc6cda3 JA |
535 | |
536 | /* This sets rl_completer_word_break_characters and rl_special_prefixes | |
537 | to the appropriate values, depending on whether or not hostname | |
538 | completion is enabled. */ | |
539 | enable_hostname_completion (perform_hostname_completion); | |
540 | ||
541 | /* characters that need to be quoted when appearing in filenames. */ | |
16b2d7f4 | 542 | rl_filename_quote_characters = default_filename_quote_characters; |
495aee44 | 543 | |
ccc6cda3 JA |
544 | rl_filename_quoting_function = bash_quote_filename; |
545 | rl_filename_dequoting_function = bash_dequote_filename; | |
546 | rl_char_is_quoted_p = char_is_quoted; | |
726f6388 | 547 | |
7117c2d2 JA |
548 | #if 0 |
549 | /* This is superfluous and makes it impossible to use tab completion in | |
550 | vi mode even when explicitly binding it in ~/.inputrc. sv_strict_posix() | |
551 | should already have called posix_readline_initialize() when | |
552 | posixly_correct was set. */ | |
726f6388 JA |
553 | if (posixly_correct) |
554 | posix_readline_initialize (1); | |
7117c2d2 | 555 | #endif |
726f6388 JA |
556 | |
557 | bash_readline_initialized = 1; | |
558 | } | |
559 | ||
3185942a JA |
560 | void |
561 | bashline_reinitialize () | |
562 | { | |
563 | bash_readline_initialized = 0; | |
564 | } | |
565 | ||
726f6388 JA |
566 | /* On Sun systems at least, rl_attempted_completion_function can end up |
567 | getting set to NULL, and rl_completion_entry_function set to do command | |
568 | word completion if Bash is interrupted while trying to complete a command | |
569 | word. This just resets all the completion functions to the right thing. | |
570 | It's called from throw_to_top_level(). */ | |
571 | void | |
3185942a | 572 | bashline_reset () |
726f6388 JA |
573 | { |
574 | tilde_initialize (); | |
575 | rl_attempted_completion_function = attempt_shell_completion; | |
28ef6c31 | 576 | rl_completion_entry_function = NULL; |
28ef6c31 | 577 | rl_ignore_some_completions_function = filename_completion_ignore; |
16b2d7f4 CR |
578 | rl_filename_quote_characters = default_filename_quote_characters; |
579 | ||
580 | set_directory_hook (); | |
726f6388 JA |
581 | } |
582 | ||
583 | /* Contains the line to push into readline. */ | |
584 | static char *push_to_readline = (char *)NULL; | |
585 | ||
586 | /* Push the contents of push_to_readline into the | |
587 | readline buffer. */ | |
28ef6c31 | 588 | static int |
726f6388 JA |
589 | bash_push_line () |
590 | { | |
591 | if (push_to_readline) | |
592 | { | |
593 | rl_insert_text (push_to_readline); | |
594 | free (push_to_readline); | |
595 | push_to_readline = (char *)NULL; | |
596 | rl_startup_hook = old_rl_startup_hook; | |
597 | } | |
28ef6c31 | 598 | return 0; |
726f6388 JA |
599 | } |
600 | ||
601 | /* Call this to set the initial text for the next line to read | |
602 | from readline. */ | |
603 | int | |
604 | bash_re_edit (line) | |
605 | char *line; | |
606 | { | |
ccc6cda3 | 607 | FREE (push_to_readline); |
726f6388 JA |
608 | |
609 | push_to_readline = savestring (line); | |
610 | old_rl_startup_hook = rl_startup_hook; | |
28ef6c31 | 611 | rl_startup_hook = bash_push_line; |
726f6388 JA |
612 | |
613 | return (0); | |
614 | } | |
615 | ||
28ef6c31 | 616 | static int |
726f6388 JA |
617 | display_shell_version (count, c) |
618 | int count, c; | |
619 | { | |
28ef6c31 | 620 | rl_crlf (); |
ccc6cda3 | 621 | show_shell_version (0); |
726f6388 JA |
622 | putc ('\r', rl_outstream); |
623 | fflush (rl_outstream); | |
624 | rl_on_new_line (); | |
625 | rl_redisplay (); | |
28ef6c31 | 626 | return 0; |
726f6388 JA |
627 | } |
628 | ||
629 | /* **************************************************************** */ | |
630 | /* */ | |
631 | /* Readline Stuff */ | |
632 | /* */ | |
633 | /* **************************************************************** */ | |
634 | ||
635 | /* If the user requests hostname completion, then simply build a list | |
bb70624e JA |
636 | of hosts, and complete from that forever more, or at least until |
637 | HOSTFILE is unset. */ | |
726f6388 | 638 | |
bb70624e | 639 | /* THIS SHOULD BE A STRINGLIST. */ |
726f6388 JA |
640 | /* The kept list of hostnames. */ |
641 | static char **hostname_list = (char **)NULL; | |
642 | ||
643 | /* The physical size of the above list. */ | |
ccc6cda3 | 644 | static int hostname_list_size; |
726f6388 | 645 | |
ccc6cda3 JA |
646 | /* The number of hostnames in the above list. */ |
647 | static int hostname_list_length; | |
726f6388 JA |
648 | |
649 | /* Whether or not HOSTNAME_LIST has been initialized. */ | |
650 | int hostname_list_initialized = 0; | |
651 | ||
726f6388 JA |
652 | /* Initialize the hostname completion table. */ |
653 | static void | |
654 | initialize_hostname_list () | |
655 | { | |
656 | char *temp; | |
657 | ||
658 | temp = get_string_value ("HOSTFILE"); | |
ccc6cda3 | 659 | if (temp == 0) |
726f6388 | 660 | temp = get_string_value ("hostname_completion_file"); |
ccc6cda3 JA |
661 | if (temp == 0) |
662 | temp = DEFAULT_HOSTS_FILE; | |
726f6388 JA |
663 | |
664 | snarf_hosts_from_file (temp); | |
726f6388 JA |
665 | |
666 | if (hostname_list) | |
667 | hostname_list_initialized++; | |
668 | } | |
669 | ||
670 | /* Add NAME to the list of hosts. */ | |
671 | static void | |
672 | add_host_name (name) | |
673 | char *name; | |
674 | { | |
675 | if (hostname_list_length + 2 > hostname_list_size) | |
676 | { | |
ccc6cda3 | 677 | hostname_list_size = (hostname_list_size + 32) - (hostname_list_size % 32); |
7117c2d2 | 678 | hostname_list = strvec_resize (hostname_list, hostname_list_size); |
726f6388 JA |
679 | } |
680 | ||
ccc6cda3 JA |
681 | hostname_list[hostname_list_length++] = savestring (name); |
682 | hostname_list[hostname_list_length] = (char *)NULL; | |
726f6388 JA |
683 | } |
684 | ||
685 | #define cr_whitespace(c) ((c) == '\r' || (c) == '\n' || whitespace(c)) | |
686 | ||
687 | static void | |
688 | snarf_hosts_from_file (filename) | |
689 | char *filename; | |
690 | { | |
ccc6cda3 | 691 | FILE *file; |
726f6388 JA |
692 | char *temp, buffer[256], name[256]; |
693 | register int i, start; | |
694 | ||
ccc6cda3 JA |
695 | file = fopen (filename, "r"); |
696 | if (file == 0) | |
726f6388 JA |
697 | return; |
698 | ||
699 | while (temp = fgets (buffer, 255, file)) | |
700 | { | |
701 | /* Skip to first character. */ | |
ccc6cda3 JA |
702 | for (i = 0; buffer[i] && cr_whitespace (buffer[i]); i++) |
703 | ; | |
726f6388 | 704 | |
ccc6cda3 JA |
705 | /* If comment or blank line, ignore. */ |
706 | if (buffer[i] == '\0' || buffer[i] == '#') | |
726f6388 JA |
707 | continue; |
708 | ||
709 | /* If `preprocessor' directive, do the include. */ | |
ccc6cda3 | 710 | if (strncmp (buffer + i, "$include ", 9) == 0) |
726f6388 | 711 | { |
ccc6cda3 | 712 | char *incfile, *t; |
726f6388 JA |
713 | |
714 | /* Find start of filename. */ | |
ccc6cda3 JA |
715 | for (incfile = buffer + i + 9; *incfile && whitespace (*incfile); incfile++) |
716 | ; | |
726f6388 JA |
717 | |
718 | /* Find end of filename. */ | |
ccc6cda3 JA |
719 | for (t = incfile; *t && cr_whitespace (*t) == 0; t++) |
720 | ; | |
726f6388 JA |
721 | |
722 | *t = '\0'; | |
723 | ||
ccc6cda3 | 724 | snarf_hosts_from_file (incfile); |
726f6388 JA |
725 | continue; |
726 | } | |
727 | ||
ccc6cda3 | 728 | /* Skip internet address if present. */ |
f73dda09 | 729 | if (DIGIT (buffer[i])) |
ccc6cda3 | 730 | for (; buffer[i] && cr_whitespace (buffer[i]) == 0; i++); |
726f6388 JA |
731 | |
732 | /* Gobble up names. Each name is separated with whitespace. */ | |
ccc6cda3 | 733 | while (buffer[i]) |
726f6388 | 734 | { |
ccc6cda3 JA |
735 | for (; cr_whitespace (buffer[i]); i++) |
736 | ; | |
737 | if (buffer[i] == '\0' || buffer[i] == '#') | |
738 | break; | |
739 | ||
740 | /* Isolate the current word. */ | |
741 | for (start = i; buffer[i] && cr_whitespace (buffer[i]) == 0; i++) | |
742 | ; | |
743 | if (i == start) | |
726f6388 JA |
744 | continue; |
745 | strncpy (name, buffer + start, i - start); | |
746 | name[i - start] = '\0'; | |
747 | add_host_name (name); | |
748 | } | |
749 | } | |
750 | fclose (file); | |
751 | } | |
752 | ||
bb70624e JA |
753 | /* Return the hostname list. */ |
754 | char ** | |
755 | get_hostname_list () | |
756 | { | |
757 | if (hostname_list_initialized == 0) | |
758 | initialize_hostname_list (); | |
759 | return (hostname_list); | |
760 | } | |
761 | ||
762 | void | |
763 | clear_hostname_list () | |
764 | { | |
765 | register int i; | |
766 | ||
767 | if (hostname_list_initialized == 0) | |
768 | return; | |
769 | for (i = 0; i < hostname_list_length; i++) | |
770 | free (hostname_list[i]); | |
0001803f | 771 | hostname_list_length = hostname_list_initialized = 0; |
bb70624e JA |
772 | } |
773 | ||
726f6388 JA |
774 | /* Return a NULL terminated list of hostnames which begin with TEXT. |
775 | Initialize the hostname list the first time if neccessary. | |
776 | The array is malloc ()'ed, but not the individual strings. */ | |
777 | static char ** | |
778 | hostnames_matching (text) | |
779 | char *text; | |
780 | { | |
ccc6cda3 JA |
781 | register int i, len, nmatch, rsize; |
782 | char **result; | |
726f6388 | 783 | |
ccc6cda3 JA |
784 | if (hostname_list_initialized == 0) |
785 | initialize_hostname_list (); | |
726f6388 | 786 | |
ccc6cda3 JA |
787 | if (hostname_list_initialized == 0) |
788 | return ((char **)NULL); | |
726f6388 JA |
789 | |
790 | /* Special case. If TEXT consists of nothing, then the whole list is | |
791 | what is desired. */ | |
ccc6cda3 | 792 | if (*text == '\0') |
726f6388 | 793 | { |
7117c2d2 | 794 | result = strvec_create (1 + hostname_list_length); |
726f6388 JA |
795 | for (i = 0; i < hostname_list_length; i++) |
796 | result[i] = hostname_list[i]; | |
797 | result[i] = (char *)NULL; | |
798 | return (result); | |
799 | } | |
800 | ||
801 | /* Scan until found, or failure. */ | |
ccc6cda3 JA |
802 | len = strlen (text); |
803 | result = (char **)NULL; | |
804 | for (i = nmatch = rsize = 0; i < hostname_list_length; i++) | |
726f6388 | 805 | { |
ccc6cda3 | 806 | if (STREQN (text, hostname_list[i], len) == 0) |
28ef6c31 | 807 | continue; |
726f6388 | 808 | |
ccc6cda3 | 809 | /* OK, it matches. Add it to the list. */ |
bc4cd23c | 810 | if (nmatch >= (rsize - 1)) |
726f6388 | 811 | { |
ccc6cda3 | 812 | rsize = (rsize + 16) - (rsize % 16); |
7117c2d2 | 813 | result = strvec_resize (result, rsize); |
726f6388 JA |
814 | } |
815 | ||
ccc6cda3 | 816 | result[nmatch++] = hostname_list[i]; |
726f6388 | 817 | } |
ccc6cda3 JA |
818 | if (nmatch) |
819 | result[nmatch] = (char *)NULL; | |
820 | return (result); | |
726f6388 JA |
821 | } |
822 | ||
ccc6cda3 | 823 | /* The equivalent of the Korn shell C-o operate-and-get-next-history-line |
726f6388 | 824 | editing command. */ |
ccc6cda3 | 825 | static int saved_history_line_to_use = -1; |
726f6388 | 826 | |
28ef6c31 | 827 | static int |
726f6388 JA |
828 | set_saved_history () |
829 | { | |
ccc6cda3 | 830 | if (saved_history_line_to_use >= 0) |
b72432fd | 831 | rl_get_previous_history (history_length - saved_history_line_to_use, 0); |
ccc6cda3 | 832 | saved_history_line_to_use = -1; |
726f6388 | 833 | rl_startup_hook = old_rl_startup_hook; |
f73dda09 | 834 | return (0); |
ccc6cda3 | 835 | } |
726f6388 | 836 | |
28ef6c31 | 837 | static int |
726f6388 JA |
838 | operate_and_get_next (count, c) |
839 | int count, c; | |
840 | { | |
841 | int where; | |
842 | ||
843 | /* Accept the current line. */ | |
b72432fd | 844 | rl_newline (1, c); |
726f6388 JA |
845 | |
846 | /* Find the current line, and find the next line to use. */ | |
847 | where = where_history (); | |
848 | ||
28ef6c31 | 849 | if ((history_is_stifled () && (history_length >= history_max_entries)) || |
726f6388 JA |
850 | (where >= history_length - 1)) |
851 | saved_history_line_to_use = where; | |
852 | else | |
853 | saved_history_line_to_use = where + 1; | |
854 | ||
855 | old_rl_startup_hook = rl_startup_hook; | |
28ef6c31 JA |
856 | rl_startup_hook = set_saved_history; |
857 | ||
858 | return 0; | |
726f6388 JA |
859 | } |
860 | ||
726f6388 JA |
861 | /* This vi mode command causes VI_EDIT_COMMAND to be run on the current |
862 | command being entered (if no explicit argument is given), otherwise on | |
863 | a command from the history file. */ | |
864 | ||
b80f6443 JA |
865 | #define VI_EDIT_COMMAND "fc -e \"${VISUAL:-${EDITOR:-vi}}\"" |
866 | #define EMACS_EDIT_COMMAND "fc -e \"${VISUAL:-${EDITOR:-emacs}}\"" | |
95732b49 | 867 | #define POSIX_VI_EDIT_COMMAND "fc -e vi" |
726f6388 | 868 | |
28ef6c31 | 869 | static int |
7117c2d2 JA |
870 | edit_and_execute_command (count, c, editing_mode, edit_command) |
871 | int count, c, editing_mode; | |
872 | char *edit_command; | |
726f6388 | 873 | { |
3185942a | 874 | char *command, *metaval; |
495aee44 CR |
875 | int r, rrs, metaflag; |
876 | sh_parser_state_t ps; | |
f73dda09 JA |
877 | |
878 | rrs = rl_readline_state; | |
495aee44 | 879 | saved_command_line_count = current_command_line_count; |
726f6388 JA |
880 | |
881 | /* Accept the current line. */ | |
b72432fd | 882 | rl_newline (1, c); |
726f6388 JA |
883 | |
884 | if (rl_explicit_arg) | |
885 | { | |
7117c2d2 JA |
886 | command = (char *)xmalloc (strlen (edit_command) + 8); |
887 | sprintf (command, "%s %d", edit_command, count); | |
726f6388 JA |
888 | } |
889 | else | |
890 | { | |
891 | /* Take the command we were just editing, add it to the history file, | |
892 | then call fc to operate on it. We have to add a dummy command to | |
893 | the end of the history because fc ignores the last command (assumes | |
894 | it's supposed to deal with the command before the `fc'). */ | |
495aee44 CR |
895 | /* This breaks down when using command-oriented history and are not |
896 | finished with the command, so we should not ignore the last command */ | |
726f6388 | 897 | using_history (); |
d166f048 JA |
898 | bash_add_history (rl_line_buffer); |
899 | bash_add_history (""); | |
726f6388 JA |
900 | history_lines_this_session++; |
901 | using_history (); | |
7117c2d2 | 902 | command = savestring (edit_command); |
726f6388 | 903 | } |
7117c2d2 | 904 | |
3185942a JA |
905 | metaval = rl_variable_value ("input-meta"); |
906 | metaflag = RL_BOOLEAN_VARIABLE_VALUE (metaval); | |
907 | ||
7117c2d2 JA |
908 | /* Now, POSIX.1-2001 and SUSv3 say that the commands executed from the |
909 | temporary file should be placed into the history. We don't do that | |
910 | yet. */ | |
3185942a JA |
911 | if (rl_deprep_term_function) |
912 | (*rl_deprep_term_function) (); | |
495aee44 | 913 | save_parser_state (&ps); |
7117c2d2 | 914 | r = parse_and_execute (command, (editing_mode == VI_EDITING_MODE) ? "v" : "C-xC-e", SEVAL_NOHIST); |
495aee44 | 915 | restore_parser_state (&ps); |
3185942a JA |
916 | if (rl_prep_term_function) |
917 | (*rl_prep_term_function) (metaflag); | |
f73dda09 | 918 | |
495aee44 | 919 | current_command_line_count = saved_command_line_count; |
f73dda09 JA |
920 | |
921 | /* Now erase the contents of the current line and undo the effects of the | |
922 | rl_accept_line() above. We don't even want to make the text we just | |
923 | executed available for undoing. */ | |
ccc6cda3 | 924 | rl_line_buffer[0] = '\0'; /* XXX */ |
f73dda09 JA |
925 | rl_point = rl_end = 0; |
926 | rl_done = 0; | |
927 | rl_readline_state = rrs; | |
928 | ||
929 | rl_forced_update_display (); | |
28ef6c31 JA |
930 | |
931 | return r; | |
726f6388 | 932 | } |
7117c2d2 JA |
933 | |
934 | #if defined (VI_MODE) | |
935 | static int | |
936 | vi_edit_and_execute_command (count, c) | |
937 | int count, c; | |
938 | { | |
95732b49 JA |
939 | if (posixly_correct) |
940 | return (edit_and_execute_command (count, c, VI_EDITING_MODE, POSIX_VI_EDIT_COMMAND)); | |
941 | else | |
942 | return (edit_and_execute_command (count, c, VI_EDITING_MODE, VI_EDIT_COMMAND)); | |
7117c2d2 | 943 | } |
726f6388 JA |
944 | #endif /* VI_MODE */ |
945 | ||
7117c2d2 JA |
946 | static int |
947 | emacs_edit_and_execute_command (count, c) | |
948 | int count, c; | |
949 | { | |
950 | return (edit_and_execute_command (count, c, EMACS_EDITING_MODE, EMACS_EDIT_COMMAND)); | |
951 | } | |
952 | ||
ccc6cda3 JA |
953 | #if defined (ALIAS) |
954 | static int | |
955 | posix_edit_macros (count, key) | |
956 | int count, key; | |
957 | { | |
958 | int c; | |
959 | char alias_name[3], *alias_value, *macro; | |
960 | ||
961 | c = rl_read_key (); | |
962 | alias_name[0] = '_'; | |
963 | alias_name[1] = c; | |
964 | alias_name[2] = '\0'; | |
965 | ||
966 | alias_value = get_alias_value (alias_name); | |
967 | if (alias_value && *alias_value) | |
968 | { | |
969 | macro = savestring (alias_value); | |
970 | rl_push_macro_input (macro); | |
971 | } | |
972 | return 0; | |
973 | } | |
974 | #endif | |
975 | ||
3185942a JA |
976 | /* Bindable commands that move `shell-words': that is, sequences of |
977 | non-unquoted-metacharacters. */ | |
978 | ||
979 | #define WORDDELIM(c) (shellmeta(c) || shellblank(c)) | |
980 | ||
981 | static int | |
982 | bash_forward_shellword (count, key) | |
983 | int count, key; | |
984 | { | |
985 | size_t slen; | |
986 | int sindex, c, p; | |
987 | DECLARE_MBSTATE; | |
988 | ||
989 | if (count < 0) | |
990 | return (bash_backward_shellword (-count, key)); | |
991 | ||
992 | /* The tricky part of this is deciding whether or not the first character | |
993 | we're on is an unquoted metacharacter. Not completely handled yet. */ | |
994 | /* XXX - need to test this stuff with backslash-escaped shell | |
995 | metacharacters and unclosed single- and double-quoted strings. */ | |
996 | ||
997 | p = rl_point; | |
998 | slen = rl_end; | |
999 | ||
1000 | while (count) | |
1001 | { | |
1002 | if (p == rl_end) | |
1003 | { | |
1004 | rl_point = rl_end; | |
1005 | return 0; | |
1006 | } | |
1007 | ||
495aee44 CR |
1008 | /* Are we in a quoted string? If we are, move to the end of the quoted |
1009 | string and continue the outer loop. We only want quoted strings, not | |
1010 | backslash-escaped characters, but char_is_quoted doesn't | |
1011 | differentiate. */ | |
1012 | if (char_is_quoted (rl_line_buffer, p) && p > 0 && rl_line_buffer[p-1] != '\\') | |
1013 | { | |
1014 | do | |
1015 | ADVANCE_CHAR (rl_line_buffer, slen, p); | |
1016 | while (p < rl_end && char_is_quoted (rl_line_buffer, p)); | |
1017 | count--; | |
1018 | continue; | |
1019 | } | |
1020 | ||
1021 | /* Rest of code assumes we are not in a quoted string. */ | |
3185942a JA |
1022 | /* Move forward until we hit a non-metacharacter. */ |
1023 | while (p < rl_end && (c = rl_line_buffer[p]) && WORDDELIM (c)) | |
1024 | { | |
1025 | switch (c) | |
1026 | { | |
1027 | default: | |
1028 | ADVANCE_CHAR (rl_line_buffer, slen, p); | |
1029 | continue; /* straight back to loop, don't increment p */ | |
1030 | case '\\': | |
1031 | if (p < rl_end && rl_line_buffer[p]) | |
1032 | ADVANCE_CHAR (rl_line_buffer, slen, p); | |
1033 | break; | |
1034 | case '\'': | |
1035 | p = skip_to_delim (rl_line_buffer, ++p, "'", SD_NOJMP); | |
1036 | break; | |
1037 | case '"': | |
1038 | p = skip_to_delim (rl_line_buffer, ++p, "\"", SD_NOJMP); | |
1039 | break; | |
1040 | } | |
1041 | ||
1042 | if (p < rl_end) | |
1043 | p++; | |
1044 | } | |
1045 | ||
1046 | if (rl_line_buffer[p] == 0 || p == rl_end) | |
1047 | { | |
1048 | rl_point = rl_end; | |
1049 | rl_ding (); | |
1050 | return 0; | |
1051 | } | |
1052 | ||
1053 | /* Now move forward until we hit a non-quoted metacharacter or EOL */ | |
1054 | while (p < rl_end && (c = rl_line_buffer[p]) && WORDDELIM (c) == 0) | |
1055 | { | |
1056 | switch (c) | |
1057 | { | |
1058 | default: | |
1059 | ADVANCE_CHAR (rl_line_buffer, slen, p); | |
1060 | continue; /* straight back to loop, don't increment p */ | |
1061 | case '\\': | |
1062 | if (p < rl_end && rl_line_buffer[p]) | |
1063 | ADVANCE_CHAR (rl_line_buffer, slen, p); | |
1064 | break; | |
1065 | case '\'': | |
1066 | p = skip_to_delim (rl_line_buffer, ++p, "'", SD_NOJMP); | |
1067 | break; | |
1068 | case '"': | |
1069 | p = skip_to_delim (rl_line_buffer, ++p, "\"", SD_NOJMP); | |
1070 | break; | |
1071 | } | |
1072 | ||
1073 | if (p < rl_end) | |
1074 | p++; | |
1075 | } | |
1076 | ||
1077 | if (p == rl_end || rl_line_buffer[p] == 0) | |
1078 | { | |
1079 | rl_point = rl_end; | |
1080 | return (0); | |
1081 | } | |
1082 | ||
1083 | count--; | |
1084 | } | |
1085 | ||
1086 | rl_point = p; | |
1087 | return (0); | |
1088 | } | |
1089 | ||
1090 | static int | |
1091 | bash_backward_shellword (count, key) | |
1092 | int count, key; | |
1093 | { | |
1094 | size_t slen; | |
1095 | int sindex, c, p; | |
1096 | DECLARE_MBSTATE; | |
1097 | ||
1098 | if (count < 0) | |
1099 | return (bash_forward_shellword (-count, key)); | |
1100 | ||
1101 | p = rl_point; | |
1102 | slen = rl_end; | |
1103 | ||
1104 | while (count) | |
1105 | { | |
1106 | if (p == 0) | |
1107 | { | |
1108 | rl_point = 0; | |
1109 | return 0; | |
1110 | } | |
1111 | ||
1112 | /* Move backward until we hit a non-metacharacter. */ | |
1113 | while (p > 0) | |
1114 | { | |
1115 | c = rl_line_buffer[p]; | |
1116 | if (WORDDELIM (c) && char_is_quoted (rl_line_buffer, p) == 0) | |
1117 | BACKUP_CHAR (rl_line_buffer, slen, p); | |
1118 | break; | |
1119 | } | |
1120 | ||
1121 | if (p == 0) | |
1122 | { | |
1123 | rl_point = 0; | |
1124 | return 0; | |
1125 | } | |
1126 | ||
1127 | /* Now move backward until we hit a metacharacter or BOL. */ | |
1128 | while (p > 0) | |
1129 | { | |
1130 | c = rl_line_buffer[p]; | |
1131 | if (WORDDELIM (c) && char_is_quoted (rl_line_buffer, p) == 0) | |
1132 | break; | |
1133 | BACKUP_CHAR (rl_line_buffer, slen, p); | |
1134 | } | |
1135 | ||
1136 | count--; | |
1137 | } | |
1138 | ||
1139 | rl_point = p; | |
1140 | return 0; | |
1141 | } | |
1142 | ||
1143 | static int | |
1144 | bash_kill_shellword (count, key) | |
1145 | int count, key; | |
1146 | { | |
1147 | int p; | |
1148 | ||
1149 | if (count < 0) | |
1150 | return (bash_backward_kill_shellword (-count, key)); | |
1151 | ||
1152 | p = rl_point; | |
1153 | bash_forward_shellword (count, key); | |
1154 | ||
1155 | if (rl_point != p) | |
1156 | rl_kill_text (p, rl_point); | |
1157 | ||
1158 | rl_point = p; | |
1159 | if (rl_editing_mode == 1) /* 1 == emacs_mode */ | |
1160 | rl_mark = rl_point; | |
1161 | ||
1162 | return 0; | |
1163 | } | |
1164 | ||
1165 | static int | |
1166 | bash_backward_kill_shellword (count, key) | |
1167 | int count, key; | |
1168 | { | |
1169 | int p; | |
1170 | ||
1171 | if (count < 0) | |
1172 | return (bash_kill_shellword (-count, key)); | |
1173 | ||
1174 | p = rl_point; | |
1175 | bash_backward_shellword (count, key); | |
1176 | ||
1177 | if (rl_point != p) | |
1178 | rl_kill_text (p, rl_point); | |
1179 | ||
1180 | if (rl_editing_mode == 1) /* 1 == emacs_mode */ | |
1181 | rl_mark = rl_point; | |
1182 | ||
1183 | return 0; | |
1184 | } | |
1185 | ||
1186 | ||
726f6388 JA |
1187 | /* **************************************************************** */ |
1188 | /* */ | |
1189 | /* How To Do Shell Completion */ | |
1190 | /* */ | |
1191 | /* **************************************************************** */ | |
1192 | ||
bb70624e | 1193 | #define COMMAND_SEPARATORS ";|&{(`" |
b80f6443 | 1194 | /* )} */ |
bb70624e JA |
1195 | |
1196 | static int | |
1197 | check_redir (ti) | |
1198 | int ti; | |
1199 | { | |
1200 | register int this_char, prev_char; | |
1201 | ||
1202 | /* Handle the two character tokens `>&', `<&', and `>|'. | |
1203 | We are not in a command position after one of these. */ | |
1204 | this_char = rl_line_buffer[ti]; | |
1205 | prev_char = rl_line_buffer[ti - 1]; | |
1206 | ||
1207 | if ((this_char == '&' && (prev_char == '<' || prev_char == '>')) || | |
1208 | (this_char == '|' && prev_char == '>')) | |
1209 | return (1); | |
1210 | else if ((this_char == '{' && prev_char == '$') || /* } */ | |
1211 | (char_is_quoted (rl_line_buffer, ti))) | |
1212 | return (1); | |
1213 | return (0); | |
1214 | } | |
1215 | ||
1216 | #if defined (PROGRAMMABLE_COMPLETION) | |
f73dda09 JA |
1217 | /* |
1218 | * XXX - because of the <= start test, and setting os = s+1, this can | |
1219 | * potentially return os > start. This is probably not what we want to | |
1220 | * happen, but fix later after 2.05a-release. | |
1221 | */ | |
bb70624e JA |
1222 | static int |
1223 | find_cmd_start (start) | |
1224 | int start; | |
1225 | { | |
1226 | register int s, os; | |
1227 | ||
1228 | os = 0; | |
0001803f | 1229 | while (((s = skip_to_delim (rl_line_buffer, os, COMMAND_SEPARATORS, SD_NOJMP|SD_NOSKIPCMD)) <= start) && |
bb70624e JA |
1230 | rl_line_buffer[s]) |
1231 | os = s+1; | |
1232 | return os; | |
1233 | } | |
1234 | ||
1235 | static int | |
1236 | find_cmd_end (end) | |
1237 | int end; | |
1238 | { | |
1239 | register int e; | |
1240 | ||
3185942a | 1241 | e = skip_to_delim (rl_line_buffer, end, COMMAND_SEPARATORS, SD_NOJMP); |
bb70624e JA |
1242 | return e; |
1243 | } | |
1244 | ||
1245 | static char * | |
1246 | find_cmd_name (start) | |
1247 | int start; | |
1248 | { | |
1249 | char *name; | |
1250 | register int s, e; | |
1251 | ||
1252 | for (s = start; whitespace (rl_line_buffer[s]); s++) | |
1253 | ; | |
1254 | ||
1255 | /* skip until a shell break character */ | |
3185942a | 1256 | e = skip_to_delim (rl_line_buffer, s, "()<>;&| \t\n", SD_NOJMP); |
bb70624e JA |
1257 | |
1258 | name = substring (rl_line_buffer, s, e); | |
1259 | ||
1260 | return (name); | |
1261 | } | |
1262 | ||
1263 | static char * | |
1264 | prog_complete_return (text, matchnum) | |
f73dda09 | 1265 | const char *text; |
bb70624e JA |
1266 | int matchnum; |
1267 | { | |
1268 | static int ind; | |
1269 | ||
1270 | if (matchnum == 0) | |
1271 | ind = 0; | |
1272 | ||
1273 | if (prog_complete_matches == 0 || prog_complete_matches[ind] == 0) | |
1274 | return (char *)NULL; | |
1275 | return (prog_complete_matches[ind++]); | |
1276 | } | |
1277 | ||
1278 | #endif /* PROGRAMMABLE_COMPLETION */ | |
1279 | ||
726f6388 JA |
1280 | /* Do some completion on TEXT. The indices of TEXT in RL_LINE_BUFFER are |
1281 | at START and END. Return an array of matches, or NULL if none. */ | |
1282 | static char ** | |
1283 | attempt_shell_completion (text, start, end) | |
28ef6c31 | 1284 | const char *text; |
726f6388 JA |
1285 | int start, end; |
1286 | { | |
0628567a | 1287 | int in_command_position, ti, saveti, qc, dflags; |
ccc6cda3 | 1288 | char **matches, *command_separator_chars; |
726f6388 | 1289 | |
bb70624e | 1290 | command_separator_chars = COMMAND_SEPARATORS; |
ccc6cda3 | 1291 | matches = (char **)NULL; |
28ef6c31 | 1292 | rl_ignore_some_completions_function = filename_completion_ignore; |
726f6388 | 1293 | |
16b2d7f4 CR |
1294 | rl_filename_quote_characters = default_filename_quote_characters; |
1295 | set_directory_hook (); | |
1296 | ||
726f6388 JA |
1297 | /* Determine if this could be a command word. It is if it appears at |
1298 | the start of the line (ignoring preceding whitespace), or if it | |
1299 | appears after a character that separates commands. It cannot be a | |
1300 | command word if we aren't at the top-level prompt. */ | |
1301 | ti = start - 1; | |
bb70624e | 1302 | saveti = qc = -1; |
726f6388 JA |
1303 | |
1304 | while ((ti > -1) && (whitespace (rl_line_buffer[ti]))) | |
1305 | ti--; | |
1306 | ||
bb70624e JA |
1307 | #if 1 |
1308 | /* If this is an open quote, maybe we're trying to complete a quoted | |
1309 | command name. */ | |
b80f6443 | 1310 | if (ti >= 0 && (rl_line_buffer[ti] == '"' || rl_line_buffer[ti] == '\'')) |
bb70624e JA |
1311 | { |
1312 | qc = rl_line_buffer[ti]; | |
1313 | saveti = ti--; | |
1314 | while (ti > -1 && (whitespace (rl_line_buffer[ti]))) | |
28ef6c31 | 1315 | ti--; |
bb70624e JA |
1316 | } |
1317 | #endif | |
1318 | ||
726f6388 JA |
1319 | in_command_position = 0; |
1320 | if (ti < 0) | |
1321 | { | |
1322 | /* Only do command completion at the start of a line when we | |
28ef6c31 | 1323 | are prompting at the top level. */ |
726f6388 JA |
1324 | if (current_prompt_string == ps1_prompt) |
1325 | in_command_position++; | |
1326 | } | |
1327 | else if (member (rl_line_buffer[ti], command_separator_chars)) | |
1328 | { | |
726f6388 JA |
1329 | in_command_position++; |
1330 | ||
bb70624e | 1331 | if (check_redir (ti) == 1) |
28ef6c31 | 1332 | in_command_position = 0; |
726f6388 JA |
1333 | } |
1334 | else | |
1335 | { | |
1336 | /* This still could be in command position. It is possible | |
1337 | that all of the previous words on the line are variable | |
1338 | assignments. */ | |
1339 | } | |
1340 | ||
d166f048 JA |
1341 | /* Check that we haven't incorrectly flagged a closed command substitution |
1342 | as indicating we're in a command position. */ | |
e8ce775d | 1343 | if (in_command_position && ti >= 0 && rl_line_buffer[ti] == '`' && |
bb70624e | 1344 | *text != '`' && unclosed_pair (rl_line_buffer, end, "`") == 0) |
d166f048 JA |
1345 | in_command_position = 0; |
1346 | ||
1347 | /* Special handling for command substitution. If *TEXT is a backquote, | |
1348 | it can be the start or end of an old-style command substitution, or | |
1349 | unmatched. If it's unmatched, both calls to unclosed_pair will | |
0001803f CR |
1350 | succeed. Don't bother if readline found a single quote and we are |
1351 | completing on the substring. */ | |
1352 | if (*text == '`' && rl_completion_quote_character != '\'' && | |
bb70624e JA |
1353 | (in_command_position || (unclosed_pair (rl_line_buffer, start, "`") && |
1354 | unclosed_pair (rl_line_buffer, end, "`")))) | |
28ef6c31 | 1355 | matches = rl_completion_matches (text, command_subst_completion_function); |
726f6388 | 1356 | |
bb70624e JA |
1357 | #if defined (PROGRAMMABLE_COMPLETION) |
1358 | /* Attempt programmable completion. */ | |
3185942a JA |
1359 | if (matches == 0 && (in_command_position == 0 || text[0] == '\0') && |
1360 | prog_completion_enabled && (progcomp_size () > 0) && | |
1361 | current_prompt_string == ps1_prompt) | |
bb70624e JA |
1362 | { |
1363 | int s, e, foundcs; | |
1364 | char *n; | |
1365 | ||
1366 | /* XXX - don't free the members */ | |
1367 | if (prog_complete_matches) | |
1368 | free (prog_complete_matches); | |
1369 | prog_complete_matches = (char **)NULL; | |
1370 | ||
1371 | s = find_cmd_start (start); | |
1372 | e = find_cmd_end (end); | |
1373 | n = find_cmd_name (s); | |
3185942a JA |
1374 | if (e == 0 && e == s && text[0] == '\0') |
1375 | prog_complete_matches = programmable_completions ("_EmptycmD_", text, s, e, &foundcs); | |
1376 | else if (e > s && assignment (n, 0) == 0) | |
f73dda09 JA |
1377 | prog_complete_matches = programmable_completions (n, text, s, e, &foundcs); |
1378 | else | |
1379 | foundcs = 0; | |
bb70624e JA |
1380 | FREE (n); |
1381 | /* XXX - if we found a COMPSPEC for the command, just return whatever | |
1382 | the programmable completion code returns, and disable the default | |
28ef6c31 | 1383 | filename completion that readline will do unless the COPT_DEFAULT |
3185942a JA |
1384 | option has been set with the `-o default' option to complete or |
1385 | compopt. */ | |
bb70624e JA |
1386 | if (foundcs) |
1387 | { | |
3185942a | 1388 | pcomp_set_readline_variables (foundcs, 1); |
bb70624e JA |
1389 | /* Turn what the programmable completion code returns into what |
1390 | readline wants. I should have made compute_lcd_of_matches | |
1391 | external... */ | |
28ef6c31 JA |
1392 | matches = rl_completion_matches (text, prog_complete_return); |
1393 | if ((foundcs & COPT_DEFAULT) == 0) | |
1394 | rl_attempted_completion_over = 1; /* no default */ | |
b80f6443 JA |
1395 | if (matches || ((foundcs & COPT_BASHDEFAULT) == 0)) |
1396 | return (matches); | |
bb70624e JA |
1397 | } |
1398 | } | |
1399 | #endif | |
1400 | ||
b80f6443 | 1401 | if (matches == 0) |
0628567a JA |
1402 | { |
1403 | dflags = 0; | |
1404 | if (in_command_position) | |
1405 | dflags |= DEFCOMP_CMDPOS; | |
1406 | matches = bash_default_completion (text, start, end, qc, dflags); | |
1407 | } | |
b80f6443 JA |
1408 | |
1409 | return matches; | |
1410 | } | |
1411 | ||
1412 | char ** | |
0628567a | 1413 | bash_default_completion (text, start, end, qc, compflags) |
b80f6443 | 1414 | const char *text; |
0628567a | 1415 | int start, end, qc, compflags; |
b80f6443 JA |
1416 | { |
1417 | char **matches; | |
1418 | ||
1419 | matches = (char **)NULL; | |
1420 | ||
bb70624e | 1421 | /* New posix-style command substitution or variable name? */ |
726f6388 | 1422 | if (!matches && *text == '$') |
bb70624e JA |
1423 | { |
1424 | if (qc != '\'' && text[1] == '(') /* ) */ | |
28ef6c31 | 1425 | matches = rl_completion_matches (text, command_subst_completion_function); |
bb70624e | 1426 | else |
28ef6c31 | 1427 | matches = rl_completion_matches (text, variable_completion_function); |
bb70624e | 1428 | } |
726f6388 JA |
1429 | |
1430 | /* If the word starts in `~', and there is no slash in the word, then | |
1431 | try completing this word as a username. */ | |
495aee44 | 1432 | if (matches == 0 && *text == '~' && mbschr (text, '/') == 0) |
28ef6c31 | 1433 | matches = rl_completion_matches (text, rl_username_completion_function); |
726f6388 JA |
1434 | |
1435 | /* Another one. Why not? If the word starts in '@', then look through | |
1436 | the world of known hostnames for completion first. */ | |
495aee44 | 1437 | if (matches == 0 && perform_hostname_completion && *text == '@') |
28ef6c31 | 1438 | matches = rl_completion_matches (text, hostname_completion_function); |
726f6388 JA |
1439 | |
1440 | /* And last, (but not least) if this word is in a command position, then | |
1441 | complete over possible command names, including aliases, functions, | |
1442 | and command names. */ | |
0628567a | 1443 | if (matches == 0 && (compflags & DEFCOMP_CMDPOS)) |
726f6388 | 1444 | { |
0628567a JA |
1445 | /* If END == START and text[0] == 0, we are trying to complete an empty |
1446 | command word. */ | |
1447 | if (no_empty_command_completion && end == start && text[0] == '\0') | |
bb70624e JA |
1448 | { |
1449 | matches = (char **)NULL; | |
28ef6c31 | 1450 | rl_ignore_some_completions_function = bash_ignore_everything; |
bb70624e JA |
1451 | } |
1452 | else | |
1453 | { | |
b80f6443 JA |
1454 | #define CMD_IS_DIR(x) (absolute_pathname(x) == 0 && absolute_program(x) == 0 && *(x) != '~' && test_for_directory (x)) |
1455 | ||
95732b49 | 1456 | dot_in_path = 0; |
28ef6c31 | 1457 | matches = rl_completion_matches (text, command_word_completion_function); |
b80f6443 | 1458 | |
bb70624e JA |
1459 | /* If we are attempting command completion and nothing matches, we |
1460 | do not want readline to perform filename completion for us. We | |
1461 | still want to be able to complete partial pathnames, so set the | |
1462 | completion ignore function to something which will remove | |
1463 | filenames and leave directories in the match list. */ | |
1464 | if (matches == (char **)NULL) | |
28ef6c31 | 1465 | rl_ignore_some_completions_function = bash_ignore_filenames; |
95732b49 JA |
1466 | else if (matches[1] == 0 && CMD_IS_DIR(matches[0]) && dot_in_path == 0) |
1467 | /* If we found a single match, without looking in the current | |
1468 | directory (because it's not in $PATH), but the found name is | |
1469 | also a command in the current directory, suppress appending any | |
1470 | terminating character, since it's ambiguous. */ | |
1471 | { | |
1472 | rl_completion_suppress_append = 1; | |
1473 | rl_filename_completion_desired = 0; | |
1474 | } | |
b80f6443 | 1475 | else if (matches[0] && matches[1] && STREQ (matches[0], matches[1]) && CMD_IS_DIR (matches[0])) |
7117c2d2 JA |
1476 | /* There are multiple instances of the same match (duplicate |
1477 | completions haven't yet been removed). In this case, all of | |
1478 | the matches will be the same, and the duplicate removal code | |
95732b49 JA |
1479 | will distill them all down to one. We turn on |
1480 | rl_completion_suppress_append for the same reason as above. | |
7117c2d2 JA |
1481 | Remember: we only care if there's eventually a single unique |
1482 | completion. If there are multiple completions this won't | |
1483 | make a difference and the problem won't occur. */ | |
95732b49 JA |
1484 | { |
1485 | rl_completion_suppress_append = 1; | |
1486 | rl_filename_completion_desired = 0; | |
1487 | } | |
bb70624e | 1488 | } |
726f6388 JA |
1489 | } |
1490 | ||
ccc6cda3 JA |
1491 | /* This could be a globbing pattern, so try to expand it using pathname |
1492 | expansion. */ | |
f73dda09 | 1493 | if (!matches && glob_pattern_p (text)) |
e8ce775d | 1494 | { |
28ef6c31 | 1495 | matches = rl_completion_matches (text, glob_complete_word); |
e8ce775d JA |
1496 | /* A glob expression that matches more than one filename is problematic. |
1497 | If we match more than one filename, punt. */ | |
7117c2d2 | 1498 | if (matches && matches[1] && rl_completion_type == TAB) |
e8ce775d | 1499 | { |
7117c2d2 | 1500 | strvec_dispose (matches); |
e8ce775d JA |
1501 | matches = (char **)0; |
1502 | } | |
1503 | } | |
ccc6cda3 | 1504 | |
726f6388 JA |
1505 | return (matches); |
1506 | } | |
1507 | ||
1508 | /* This is the function to call when the word to complete is in a position | |
1509 | where a command word can be found. It grovels $PATH, looking for commands | |
1510 | that match. It also scans aliases, function names, and the shell_builtin | |
1511 | table. */ | |
bb70624e | 1512 | char * |
726f6388 | 1513 | command_word_completion_function (hint_text, state) |
28ef6c31 | 1514 | const char *hint_text; |
726f6388 JA |
1515 | int state; |
1516 | { | |
1517 | static char *hint = (char *)NULL; | |
1518 | static char *path = (char *)NULL; | |
1519 | static char *val = (char *)NULL; | |
1520 | static char *filename_hint = (char *)NULL; | |
95732b49 | 1521 | static char *dequoted_hint = (char *)NULL; |
3185942a JA |
1522 | static char *directory_part = (char *)NULL; |
1523 | static char **glob_matches = (char **)NULL; | |
95732b49 | 1524 | static int path_index, hint_len, dequoted_len, istate, igncase; |
0628567a | 1525 | static int mapping_over, local_index, searching_path, hint_is_dir; |
3185942a | 1526 | static int old_glob_ignore_case, globpat; |
726f6388 JA |
1527 | static SHELL_VAR **varlist = (SHELL_VAR **)NULL; |
1528 | #if defined (ALIAS) | |
ccc6cda3 | 1529 | static alias_t **alias_list = (alias_t **)NULL; |
726f6388 | 1530 | #endif /* ALIAS */ |
95732b49 | 1531 | char *temp; |
726f6388 JA |
1532 | |
1533 | /* We have to map over the possibilities for command words. If we have | |
1534 | no state, then make one just for that purpose. */ | |
3185942a | 1535 | if (state == 0) |
726f6388 | 1536 | { |
95732b49 JA |
1537 | if (dequoted_hint && dequoted_hint != hint) |
1538 | free (dequoted_hint); | |
726f6388 JA |
1539 | if (hint) |
1540 | free (hint); | |
1541 | ||
0628567a JA |
1542 | mapping_over = searching_path = 0; |
1543 | hint_is_dir = CMD_IS_DIR (hint_text); | |
726f6388 JA |
1544 | val = (char *)NULL; |
1545 | ||
95732b49 | 1546 | temp = rl_variable_value ("completion-ignore-case"); |
3185942a JA |
1547 | igncase = RL_BOOLEAN_VARIABLE_VALUE (temp); |
1548 | ||
1549 | if (glob_matches) | |
1550 | { | |
1551 | free (glob_matches); | |
1552 | glob_matches = (char **)NULL; | |
1553 | } | |
1554 | ||
1555 | globpat = glob_pattern_p (hint_text); | |
95732b49 | 1556 | |
726f6388 JA |
1557 | /* If this is an absolute program name, do not check it against |
1558 | aliases, reserved words, functions or builtins. We must check | |
1559 | whether or not it is unique, and, if so, whether that filename | |
1560 | is executable. */ | |
3185942a | 1561 | if (globpat || absolute_program (hint_text)) |
726f6388 JA |
1562 | { |
1563 | /* Perform tilde expansion on what's passed, so we don't end up | |
1564 | passing filenames with tildes directly to stat(). */ | |
1565 | if (*hint_text == '~') | |
3185942a JA |
1566 | { |
1567 | hint = bash_tilde_expand (hint_text, 0); | |
1568 | directory_part = savestring (hint_text); | |
1569 | temp = strchr (directory_part, '/'); | |
1570 | if (temp) | |
1571 | *temp = 0; | |
1572 | else | |
1573 | { | |
1574 | free (directory_part); | |
1575 | directory_part = (char *)NULL; | |
1576 | } | |
1577 | } | |
726f6388 JA |
1578 | else |
1579 | hint = savestring (hint_text); | |
95732b49 JA |
1580 | |
1581 | dequoted_hint = hint; | |
1582 | /* If readline's completer found a quote character somewhere, but | |
1583 | didn't set the quote character, there must have been a quote | |
1584 | character embedded in the filename. It can't be at the start of | |
1585 | the filename, so we need to dequote the filename before we look | |
1586 | in the file system for it. */ | |
1587 | if (rl_completion_found_quote && rl_completion_quote_character == 0) | |
1588 | { | |
1589 | dequoted_hint = bash_dequote_filename (hint, 0); | |
1590 | free (hint); | |
1591 | hint = dequoted_hint; | |
1592 | } | |
1593 | dequoted_len = hint_len = strlen (hint); | |
726f6388 JA |
1594 | |
1595 | if (filename_hint) | |
1596 | free (filename_hint); | |
95732b49 | 1597 | |
726f6388 JA |
1598 | filename_hint = savestring (hint); |
1599 | ||
726f6388 | 1600 | istate = 0; |
3185942a JA |
1601 | |
1602 | if (globpat) | |
1603 | { | |
1604 | mapping_over = 5; | |
1605 | goto globword; | |
1606 | } | |
1607 | else | |
1608 | { | |
16b2d7f4 CR |
1609 | if (dircomplete_expand && dot_or_dotdot (filename_hint)) |
1610 | { | |
1611 | dircomplete_expand = 0; | |
1612 | set_directory_hook (); | |
1613 | dircomplete_expand = 1; | |
1614 | } | |
3185942a JA |
1615 | mapping_over = 4; |
1616 | goto inner; | |
1617 | } | |
726f6388 JA |
1618 | } |
1619 | ||
95732b49 JA |
1620 | dequoted_hint = hint = savestring (hint_text); |
1621 | dequoted_len = hint_len = strlen (hint); | |
726f6388 | 1622 | |
95732b49 JA |
1623 | if (rl_completion_found_quote && rl_completion_quote_character == 0) |
1624 | { | |
1625 | dequoted_hint = bash_dequote_filename (hint, 0); | |
1626 | dequoted_len = strlen (dequoted_hint); | |
1627 | } | |
1628 | ||
726f6388 | 1629 | path = get_string_value ("PATH"); |
95732b49 | 1630 | path_index = dot_in_path = 0; |
726f6388 JA |
1631 | |
1632 | /* Initialize the variables for each type of command word. */ | |
1633 | local_index = 0; | |
1634 | ||
1635 | if (varlist) | |
1636 | free (varlist); | |
1637 | ||
1638 | varlist = all_visible_functions (); | |
1639 | ||
1640 | #if defined (ALIAS) | |
1641 | if (alias_list) | |
1642 | free (alias_list); | |
1643 | ||
1644 | alias_list = all_aliases (); | |
1645 | #endif /* ALIAS */ | |
1646 | } | |
1647 | ||
1648 | /* mapping_over says what we are currently hacking. Note that every case | |
1649 | in this list must fall through when there are no more possibilities. */ | |
1650 | ||
1651 | switch (mapping_over) | |
1652 | { | |
1653 | case 0: /* Aliases come first. */ | |
1654 | #if defined (ALIAS) | |
1655 | while (alias_list && alias_list[local_index]) | |
1656 | { | |
1657 | register char *alias; | |
1658 | ||
1659 | alias = alias_list[local_index++]->name; | |
1660 | ||
1661 | if (STREQN (alias, hint, hint_len)) | |
1662 | return (savestring (alias)); | |
1663 | } | |
1664 | #endif /* ALIAS */ | |
1665 | local_index = 0; | |
1666 | mapping_over++; | |
1667 | ||
1668 | case 1: /* Then shell reserved words. */ | |
1669 | { | |
1670 | while (word_token_alist[local_index].word) | |
1671 | { | |
1672 | register char *reserved_word; | |
1673 | ||
1674 | reserved_word = word_token_alist[local_index++].word; | |
1675 | ||
1676 | if (STREQN (reserved_word, hint, hint_len)) | |
1677 | return (savestring (reserved_word)); | |
1678 | } | |
1679 | local_index = 0; | |
1680 | mapping_over++; | |
1681 | } | |
1682 | ||
1683 | case 2: /* Then function names. */ | |
1684 | while (varlist && varlist[local_index]) | |
1685 | { | |
1686 | register char *varname; | |
1687 | ||
1688 | varname = varlist[local_index++]->name; | |
1689 | ||
1690 | if (STREQN (varname, hint, hint_len)) | |
1691 | return (savestring (varname)); | |
1692 | } | |
1693 | local_index = 0; | |
1694 | mapping_over++; | |
1695 | ||
1696 | case 3: /* Then shell builtins. */ | |
1697 | for (; local_index < num_shell_builtins; local_index++) | |
1698 | { | |
1699 | /* Ignore it if it doesn't have a function pointer or if it | |
1700 | is not currently enabled. */ | |
1701 | if (!shell_builtins[local_index].function || | |
1702 | (shell_builtins[local_index].flags & BUILTIN_ENABLED) == 0) | |
1703 | continue; | |
1704 | ||
1705 | if (STREQN (shell_builtins[local_index].name, hint, hint_len)) | |
1706 | { | |
1707 | int i = local_index++; | |
1708 | ||
1709 | return (savestring (shell_builtins[i].name)); | |
1710 | } | |
1711 | } | |
1712 | local_index = 0; | |
1713 | mapping_over++; | |
1714 | } | |
1715 | ||
3185942a JA |
1716 | globword: |
1717 | /* Limited support for completing command words with globbing chars. Only | |
1718 | a single match (multiple matches that end up reducing the number of | |
1719 | characters in the common prefix are bad) will ever be returned on | |
1720 | regular completion. */ | |
30d188c2 | 1721 | if (globpat) |
3185942a JA |
1722 | { |
1723 | if (state == 0) | |
1724 | { | |
1725 | glob_ignore_case = igncase; | |
1726 | glob_matches = shell_glob_filename (hint); | |
1727 | glob_ignore_case = old_glob_ignore_case; | |
1728 | ||
1729 | if (GLOB_FAILED (glob_matches) || glob_matches == 0) | |
1730 | { | |
1731 | glob_matches = (char **)NULL; | |
1732 | return ((char *)NULL); | |
1733 | } | |
1734 | ||
1735 | local_index = 0; | |
1736 | ||
1737 | if (glob_matches[1] && rl_completion_type == TAB) /* multiple matches are bad */ | |
1738 | return ((char *)NULL); | |
1739 | } | |
1740 | ||
1741 | while (val = glob_matches[local_index++]) | |
1742 | { | |
1743 | if (executable_or_directory (val)) | |
1744 | { | |
1745 | if (*hint_text == '~') | |
1746 | { | |
1747 | temp = restore_tilde (val, directory_part); | |
1748 | free (val); | |
1749 | val = temp; | |
1750 | } | |
1751 | return (val); | |
1752 | } | |
1753 | free (val); | |
1754 | } | |
1755 | ||
1756 | glob_ignore_case = old_glob_ignore_case; | |
1757 | return ((char *)NULL); | |
1758 | } | |
1759 | ||
0628567a JA |
1760 | /* If the text passed is a directory in the current directory, return it |
1761 | as a possible match. Executables in directories in the current | |
1762 | directory can be specified using relative pathnames and successfully | |
1763 | executed even when `.' is not in $PATH. */ | |
1764 | if (hint_is_dir) | |
1765 | { | |
1766 | hint_is_dir = 0; /* only return the hint text once */ | |
1767 | return (savestring (hint_text)); | |
1768 | } | |
1769 | ||
ccc6cda3 | 1770 | /* Repeatedly call filename_completion_function while we have |
726f6388 JA |
1771 | members of PATH left. Question: should we stat each file? |
1772 | Answer: we call executable_file () on each file. */ | |
1773 | outer: | |
1774 | ||
1775 | istate = (val != (char *)NULL); | |
1776 | ||
3185942a | 1777 | if (istate == 0) |
726f6388 JA |
1778 | { |
1779 | char *current_path; | |
1780 | ||
1781 | /* Get the next directory from the path. If there is none, then we | |
1782 | are all done. */ | |
3185942a | 1783 | if (path == 0 || path[path_index] == 0 || |
726f6388 JA |
1784 | (current_path = extract_colon_unit (path, &path_index)) == 0) |
1785 | return ((char *)NULL); | |
1786 | ||
0628567a | 1787 | searching_path = 1; |
726f6388 JA |
1788 | if (*current_path == 0) |
1789 | { | |
1790 | free (current_path); | |
1791 | current_path = savestring ("."); | |
1792 | } | |
1793 | ||
1794 | if (*current_path == '~') | |
1795 | { | |
1796 | char *t; | |
1797 | ||
7117c2d2 | 1798 | t = bash_tilde_expand (current_path, 0); |
726f6388 JA |
1799 | free (current_path); |
1800 | current_path = t; | |
1801 | } | |
1802 | ||
95732b49 JA |
1803 | if (current_path[0] == '.' && current_path[1] == '\0') |
1804 | dot_in_path = 1; | |
1805 | ||
726f6388 JA |
1806 | if (filename_hint) |
1807 | free (filename_hint); | |
1808 | ||
7117c2d2 | 1809 | filename_hint = sh_makepath (current_path, hint, 0); |
3185942a | 1810 | free (current_path); /* XXX */ |
726f6388 JA |
1811 | } |
1812 | ||
1813 | inner: | |
28ef6c31 | 1814 | val = rl_filename_completion_function (filename_hint, istate); |
16b2d7f4 CR |
1815 | if (mapping_over == 4 && dircomplete_expand) |
1816 | set_directory_hook (); | |
1817 | ||
726f6388 JA |
1818 | istate = 1; |
1819 | ||
ccc6cda3 | 1820 | if (val == 0) |
726f6388 JA |
1821 | { |
1822 | /* If the hint text is an absolute program, then don't bother | |
1823 | searching through PATH. */ | |
1824 | if (absolute_program (hint)) | |
1825 | return ((char *)NULL); | |
1826 | ||
1827 | goto outer; | |
1828 | } | |
1829 | else | |
1830 | { | |
d166f048 | 1831 | int match, freetemp; |
726f6388 JA |
1832 | |
1833 | if (absolute_program (hint)) | |
1834 | { | |
95732b49 JA |
1835 | if (igncase == 0) |
1836 | match = strncmp (val, hint, hint_len) == 0; | |
1837 | else | |
1838 | match = strncasecmp (val, hint, hint_len) == 0; | |
1839 | ||
726f6388 JA |
1840 | /* If we performed tilde expansion, restore the original |
1841 | filename. */ | |
1842 | if (*hint_text == '~') | |
3185942a | 1843 | temp = restore_tilde (val, directory_part); |
726f6388 JA |
1844 | else |
1845 | temp = savestring (val); | |
d166f048 | 1846 | freetemp = 1; |
726f6388 JA |
1847 | } |
1848 | else | |
1849 | { | |
1850 | temp = strrchr (val, '/'); | |
1851 | ||
1852 | if (temp) | |
1853 | { | |
1854 | temp++; | |
95732b49 JA |
1855 | if (igncase == 0) |
1856 | freetemp = match = strncmp (temp, hint, hint_len) == 0; | |
1857 | else | |
1858 | freetemp = match = strncasecmp (temp, hint, hint_len) == 0; | |
726f6388 JA |
1859 | if (match) |
1860 | temp = savestring (temp); | |
1861 | } | |
1862 | else | |
d166f048 | 1863 | freetemp = match = 0; |
726f6388 JA |
1864 | } |
1865 | ||
0628567a | 1866 | #if 0 |
ccc6cda3 JA |
1867 | /* If we have found a match, and it is an executable file or a |
1868 | directory name, return it. */ | |
28ef6c31 | 1869 | if (match && executable_or_directory (val)) |
0628567a JA |
1870 | #else |
1871 | /* If we have found a match, and it is an executable file, return it. | |
1872 | We don't return directory names when searching $PATH, since the | |
1873 | bash execution code won't find executables in directories which | |
1874 | appear in directories in $PATH when they're specified using | |
1875 | relative pathnames. */ | |
1876 | if (match && (searching_path ? executable_file (val) : executable_or_directory (val))) | |
1877 | #endif | |
726f6388 JA |
1878 | { |
1879 | free (val); | |
1880 | val = ""; /* So it won't be NULL. */ | |
1881 | return (temp); | |
1882 | } | |
1883 | else | |
1884 | { | |
d166f048 JA |
1885 | if (freetemp) |
1886 | free (temp); | |
726f6388 JA |
1887 | free (val); |
1888 | goto inner; | |
1889 | } | |
1890 | } | |
1891 | } | |
1892 | ||
d166f048 | 1893 | /* Completion inside an unterminated command substitution. */ |
726f6388 JA |
1894 | static char * |
1895 | command_subst_completion_function (text, state) | |
28ef6c31 | 1896 | const char *text; |
ccc6cda3 | 1897 | int state; |
726f6388 JA |
1898 | { |
1899 | static char **matches = (char **)NULL; | |
28ef6c31 JA |
1900 | static const char *orig_start; |
1901 | static char *filename_text = (char *)NULL; | |
726f6388 | 1902 | static int cmd_index, start_len; |
ccc6cda3 | 1903 | char *value; |
726f6388 JA |
1904 | |
1905 | if (state == 0) | |
1906 | { | |
1907 | if (filename_text) | |
1908 | free (filename_text); | |
1909 | orig_start = text; | |
1910 | if (*text == '`') | |
28ef6c31 | 1911 | text++; |
cce855bc | 1912 | else if (*text == '$' && text[1] == '(') /* ) */ |
28ef6c31 | 1913 | text += 2; |
b80f6443 JA |
1914 | /* If the text was quoted, suppress any quote character that the |
1915 | readline completion code would insert. */ | |
1916 | rl_completion_suppress_quote = 1; | |
726f6388 JA |
1917 | start_len = text - orig_start; |
1918 | filename_text = savestring (text); | |
1919 | if (matches) | |
1920 | free (matches); | |
7117c2d2 JA |
1921 | |
1922 | /* | |
1923 | * At this point we can entertain the idea of re-parsing | |
1924 | * `filename_text' into a (possibly incomplete) command name and | |
1925 | * arguments, and doing completion based on that. This is | |
1926 | * currently very rudimentary, but it is a small improvement. | |
1927 | */ | |
1928 | for (value = filename_text + strlen (filename_text) - 1; value > filename_text; value--) | |
1929 | if (whitespace (*value) || member (*value, COMMAND_SEPARATORS)) | |
1930 | break; | |
1931 | if (value <= filename_text) | |
1932 | matches = rl_completion_matches (filename_text, command_word_completion_function); | |
1933 | else | |
1934 | { | |
1935 | value++; | |
1936 | start_len += value - filename_text; | |
1937 | if (whitespace (value[-1])) | |
1938 | matches = rl_completion_matches (value, rl_filename_completion_function); | |
1939 | else | |
1940 | matches = rl_completion_matches (value, command_word_completion_function); | |
1941 | } | |
1942 | ||
1943 | /* If there is more than one match, rl_completion_matches has already | |
1944 | put the lcd in matches[0]. Skip over it. */ | |
1945 | cmd_index = matches && matches[0] && matches[1]; | |
95732b49 JA |
1946 | |
1947 | /* If there's a single match and it's a directory, set the append char | |
1948 | to the expected `/'. Otherwise, don't append anything. */ | |
1949 | if (matches && matches[0] && matches[1] == 0 && test_for_directory (matches[0])) | |
1950 | rl_completion_append_character = '/'; | |
1951 | else | |
1952 | rl_completion_suppress_append = 1; | |
726f6388 JA |
1953 | } |
1954 | ||
1955 | if (!matches || !matches[cmd_index]) | |
1956 | { | |
1957 | rl_filename_quoting_desired = 0; /* disable quoting */ | |
1958 | return ((char *)NULL); | |
1959 | } | |
1960 | else | |
1961 | { | |
f73dda09 | 1962 | value = (char *)xmalloc (1 + start_len + strlen (matches[cmd_index])); |
726f6388 JA |
1963 | |
1964 | if (start_len == 1) | |
28ef6c31 | 1965 | value[0] = *orig_start; |
726f6388 | 1966 | else |
28ef6c31 | 1967 | strncpy (value, orig_start, start_len); |
726f6388 JA |
1968 | |
1969 | strcpy (value + start_len, matches[cmd_index]); | |
1970 | ||
1971 | cmd_index++; | |
1972 | return (value); | |
1973 | } | |
1974 | } | |
1975 | ||
1976 | /* Okay, now we write the entry_function for variable completion. */ | |
1977 | static char * | |
1978 | variable_completion_function (text, state) | |
28ef6c31 | 1979 | const char *text; |
726f6388 | 1980 | int state; |
726f6388 | 1981 | { |
bb70624e | 1982 | static char **varlist = (char **)NULL; |
726f6388 JA |
1983 | static int varlist_index; |
1984 | static char *varname = (char *)NULL; | |
1985 | static int namelen; | |
1986 | static int first_char, first_char_loc; | |
1987 | ||
1988 | if (!state) | |
1989 | { | |
1990 | if (varname) | |
1991 | free (varname); | |
1992 | ||
1993 | first_char_loc = 0; | |
1994 | first_char = text[0]; | |
1995 | ||
1996 | if (first_char == '$') | |
1997 | first_char_loc++; | |
1998 | ||
ccc6cda3 | 1999 | if (text[first_char_loc] == '{') |
28ef6c31 | 2000 | first_char_loc++; |
ccc6cda3 | 2001 | |
726f6388 JA |
2002 | varname = savestring (text + first_char_loc); |
2003 | ||
2004 | namelen = strlen (varname); | |
2005 | if (varlist) | |
7117c2d2 | 2006 | strvec_dispose (varlist); |
726f6388 | 2007 | |
bb70624e JA |
2008 | varlist = all_variables_matching_prefix (varname); |
2009 | varlist_index = 0; | |
726f6388 JA |
2010 | } |
2011 | ||
2012 | if (!varlist || !varlist[varlist_index]) | |
2013 | { | |
2014 | return ((char *)NULL); | |
2015 | } | |
2016 | else | |
2017 | { | |
f73dda09 JA |
2018 | char *value; |
2019 | ||
2020 | value = (char *)xmalloc (4 + strlen (varlist[varlist_index])); | |
726f6388 JA |
2021 | |
2022 | if (first_char_loc) | |
ccc6cda3 JA |
2023 | { |
2024 | value[0] = first_char; | |
2025 | if (first_char_loc == 2) | |
2026 | value[1] = '{'; | |
2027 | } | |
726f6388 | 2028 | |
bb70624e | 2029 | strcpy (value + first_char_loc, varlist[varlist_index]); |
ccc6cda3 | 2030 | if (first_char_loc == 2) |
28ef6c31 | 2031 | strcat (value, "}"); |
726f6388 JA |
2032 | |
2033 | varlist_index++; | |
2034 | return (value); | |
2035 | } | |
2036 | } | |
2037 | ||
2038 | /* How about a completion function for hostnames? */ | |
2039 | static char * | |
2040 | hostname_completion_function (text, state) | |
28ef6c31 | 2041 | const char *text; |
726f6388 | 2042 | int state; |
726f6388 JA |
2043 | { |
2044 | static char **list = (char **)NULL; | |
2045 | static int list_index = 0; | |
2046 | static int first_char, first_char_loc; | |
2047 | ||
2048 | /* If we don't have any state, make some. */ | |
ccc6cda3 | 2049 | if (state == 0) |
726f6388 | 2050 | { |
ccc6cda3 | 2051 | FREE (list); |
726f6388 JA |
2052 | |
2053 | list = (char **)NULL; | |
2054 | ||
2055 | first_char_loc = 0; | |
2056 | first_char = *text; | |
2057 | ||
2058 | if (first_char == '@') | |
2059 | first_char_loc++; | |
2060 | ||
f73dda09 | 2061 | list = hostnames_matching ((char *)text+first_char_loc); |
726f6388 JA |
2062 | list_index = 0; |
2063 | } | |
2064 | ||
2065 | if (list && list[list_index]) | |
2066 | { | |
ccc6cda3 | 2067 | char *t; |
726f6388 | 2068 | |
f73dda09 | 2069 | t = (char *)xmalloc (2 + strlen (list[list_index])); |
726f6388 JA |
2070 | *t = first_char; |
2071 | strcpy (t + first_char_loc, list[list_index]); | |
2072 | list_index++; | |
2073 | return (t); | |
2074 | } | |
ccc6cda3 JA |
2075 | |
2076 | return ((char *)NULL); | |
726f6388 JA |
2077 | } |
2078 | ||
7117c2d2 JA |
2079 | /* |
2080 | * A completion function for service names from /etc/services (or wherever). | |
2081 | */ | |
2082 | char * | |
2083 | bash_servicename_completion_function (text, state) | |
2084 | const char *text; | |
2085 | int state; | |
2086 | { | |
2087 | #if defined (__WIN32__) || defined (__OPENNT) || !defined (HAVE_GETSERVENT) | |
2088 | return ((char *)NULL); | |
2089 | #else | |
2090 | static char *sname = (char *)NULL; | |
2091 | static struct servent *srvent; | |
2092 | static int snamelen, firstc; | |
2093 | char *value; | |
2094 | char **alist, *aentry; | |
2095 | int afound; | |
2096 | ||
2097 | if (state == 0) | |
2098 | { | |
2099 | FREE (sname); | |
2100 | firstc = *text; | |
2101 | ||
2102 | sname = savestring (text); | |
2103 | snamelen = strlen (sname); | |
2104 | setservent (0); | |
2105 | } | |
2106 | ||
2107 | while (srvent = getservent ()) | |
2108 | { | |
2109 | afound = 0; | |
2110 | if (snamelen == 0 || (STREQN (sname, srvent->s_name, snamelen))) | |
2111 | break; | |
2112 | /* Not primary, check aliases */ | |
0628567a | 2113 | for (alist = srvent->s_aliases; *alist; alist++) |
7117c2d2 | 2114 | { |
0628567a | 2115 | aentry = *alist; |
7117c2d2 JA |
2116 | if (STREQN (sname, aentry, snamelen)) |
2117 | { | |
2118 | afound = 1; | |
2119 | break; | |
2120 | } | |
2121 | } | |
2122 | ||
2123 | if (afound) | |
2124 | break; | |
2125 | } | |
2126 | ||
2127 | if (srvent == 0) | |
2128 | { | |
2129 | endservent (); | |
2130 | return ((char *)NULL); | |
2131 | } | |
2132 | ||
2133 | value = afound ? savestring (aentry) : savestring (srvent->s_name); | |
2134 | return value; | |
2135 | #endif | |
2136 | } | |
2137 | ||
2138 | /* | |
2139 | * A completion function for group names from /etc/group (or wherever). | |
2140 | */ | |
f73dda09 JA |
2141 | char * |
2142 | bash_groupname_completion_function (text, state) | |
2143 | const char *text; | |
2144 | int state; | |
2145 | { | |
2146 | #if defined (__WIN32__) || defined (__OPENNT) || !defined (HAVE_GRP_H) | |
2147 | return ((char *)NULL); | |
2148 | #else | |
2149 | static char *gname = (char *)NULL; | |
2150 | static struct group *grent; | |
2151 | static int gnamelen; | |
2152 | char *value; | |
2153 | ||
2154 | if (state == 0) | |
2155 | { | |
2156 | FREE (gname); | |
2157 | gname = savestring (text); | |
2158 | gnamelen = strlen (gname); | |
2159 | ||
2160 | setgrent (); | |
2161 | } | |
2162 | ||
2163 | while (grent = getgrent ()) | |
2164 | { | |
2165 | if (gnamelen == 0 || (STREQN (gname, grent->gr_name, gnamelen))) | |
2166 | break; | |
2167 | } | |
2168 | ||
2169 | if (grent == 0) | |
2170 | { | |
2171 | endgrent (); | |
2172 | return ((char *)NULL); | |
2173 | } | |
2174 | ||
2175 | value = savestring (grent->gr_name); | |
2176 | return (value); | |
2177 | #endif | |
2178 | } | |
2179 | ||
cce855bc JA |
2180 | /* Functions to perform history and alias expansions on the current line. */ |
2181 | ||
2182 | #if defined (BANG_HISTORY) | |
2183 | /* Perform history expansion on the current line. If no history expansion | |
2184 | is done, pre_process_line() returns what it was passed, so we need to | |
2185 | allocate a new line here. */ | |
726f6388 JA |
2186 | static char * |
2187 | history_expand_line_internal (line) | |
2188 | char *line; | |
2189 | { | |
2190 | char *new_line; | |
b80f6443 | 2191 | int old_verify; |
726f6388 | 2192 | |
b80f6443 JA |
2193 | old_verify = hist_verify; |
2194 | hist_verify = 0; | |
726f6388 | 2195 | new_line = pre_process_line (line, 0, 0); |
b80f6443 JA |
2196 | hist_verify = old_verify; |
2197 | ||
d166f048 | 2198 | return (new_line == line) ? savestring (line) : new_line; |
726f6388 | 2199 | } |
726f6388 JA |
2200 | #endif |
2201 | ||
2202 | /* There was an error in expansion. Let the preprocessor print | |
2203 | the error here. */ | |
2204 | static void | |
2205 | cleanup_expansion_error () | |
2206 | { | |
2207 | char *to_free; | |
b80f6443 JA |
2208 | #if defined (BANG_HISTORY) |
2209 | int old_verify; | |
2210 | ||
2211 | old_verify = hist_verify; | |
2212 | hist_verify = 0; | |
2213 | #endif | |
726f6388 JA |
2214 | |
2215 | fprintf (rl_outstream, "\r\n"); | |
2216 | to_free = pre_process_line (rl_line_buffer, 1, 0); | |
b80f6443 JA |
2217 | #if defined (BANG_HISTORY) |
2218 | hist_verify = old_verify; | |
2219 | #endif | |
d166f048 | 2220 | if (to_free != rl_line_buffer) |
b80f6443 | 2221 | FREE (to_free); |
726f6388 JA |
2222 | putc ('\r', rl_outstream); |
2223 | rl_forced_update_display (); | |
2224 | } | |
2225 | ||
2226 | /* If NEW_LINE differs from what is in the readline line buffer, add an | |
2227 | undo record to get from the readline line buffer contents to the new | |
2228 | line and make NEW_LINE the current readline line. */ | |
2229 | static void | |
2230 | maybe_make_readline_line (new_line) | |
2231 | char *new_line; | |
2232 | { | |
2233 | if (strcmp (new_line, rl_line_buffer) != 0) | |
2234 | { | |
2235 | rl_point = rl_end; | |
2236 | ||
2237 | rl_add_undo (UNDO_BEGIN, 0, 0, 0); | |
2238 | rl_delete_text (0, rl_point); | |
7117c2d2 | 2239 | rl_point = rl_end = rl_mark = 0; |
726f6388 JA |
2240 | rl_insert_text (new_line); |
2241 | rl_add_undo (UNDO_END, 0, 0, 0); | |
2242 | } | |
2243 | } | |
2244 | ||
2245 | /* Make NEW_LINE be the current readline line. This frees NEW_LINE. */ | |
2246 | static void | |
2247 | set_up_new_line (new_line) | |
2248 | char *new_line; | |
2249 | { | |
f73dda09 JA |
2250 | int old_point, at_end; |
2251 | ||
2252 | old_point = rl_point; | |
2253 | at_end = rl_point == rl_end; | |
726f6388 JA |
2254 | |
2255 | /* If the line was history and alias expanded, then make that | |
2256 | be one thing to undo. */ | |
2257 | maybe_make_readline_line (new_line); | |
2258 | free (new_line); | |
2259 | ||
2260 | /* Place rl_point where we think it should go. */ | |
2261 | if (at_end) | |
2262 | rl_point = rl_end; | |
2263 | else if (old_point < rl_end) | |
2264 | { | |
2265 | rl_point = old_point; | |
2266 | if (!whitespace (rl_line_buffer[rl_point])) | |
b72432fd | 2267 | rl_forward_word (1, 0); |
726f6388 JA |
2268 | } |
2269 | } | |
2270 | ||
cce855bc JA |
2271 | #if defined (ALIAS) |
2272 | /* Expand aliases in the current readline line. */ | |
2273 | static int | |
28ef6c31 JA |
2274 | alias_expand_line (count, ignore) |
2275 | int count, ignore; | |
cce855bc JA |
2276 | { |
2277 | char *new_line; | |
2278 | ||
2279 | new_line = alias_expand (rl_line_buffer); | |
2280 | ||
2281 | if (new_line) | |
2282 | { | |
2283 | set_up_new_line (new_line); | |
2284 | return (0); | |
2285 | } | |
2286 | else | |
2287 | { | |
2288 | cleanup_expansion_error (); | |
2289 | return (1); | |
2290 | } | |
2291 | } | |
2292 | #endif | |
2293 | ||
2294 | #if defined (BANG_HISTORY) | |
726f6388 | 2295 | /* History expand the line. */ |
cce855bc | 2296 | static int |
28ef6c31 JA |
2297 | history_expand_line (count, ignore) |
2298 | int count, ignore; | |
726f6388 JA |
2299 | { |
2300 | char *new_line; | |
2301 | ||
2302 | new_line = history_expand_line_internal (rl_line_buffer); | |
2303 | ||
2304 | if (new_line) | |
cce855bc JA |
2305 | { |
2306 | set_up_new_line (new_line); | |
2307 | return (0); | |
2308 | } | |
726f6388 | 2309 | else |
cce855bc JA |
2310 | { |
2311 | cleanup_expansion_error (); | |
2312 | return (1); | |
2313 | } | |
2314 | } | |
2315 | ||
2316 | /* Expand history substitutions in the current line and then insert a | |
28ef6c31 | 2317 | space (hopefully close to where we were before). */ |
cce855bc | 2318 | static int |
28ef6c31 JA |
2319 | tcsh_magic_space (count, ignore) |
2320 | int count, ignore; | |
cce855bc | 2321 | { |
28ef6c31 JA |
2322 | int dist_from_end, old_point; |
2323 | ||
2324 | old_point = rl_point; | |
2325 | dist_from_end = rl_end - rl_point; | |
2326 | if (history_expand_line (count, ignore) == 0) | |
cce855bc | 2327 | { |
28ef6c31 JA |
2328 | /* Try a simple heuristic from Stephen Gildea <gildea@intouchsys.com>. |
2329 | This works if all expansions were before rl_point or if no expansions | |
2330 | were performed. */ | |
2331 | rl_point = (old_point == 0) ? old_point : rl_end - dist_from_end; | |
cce855bc JA |
2332 | rl_insert (1, ' '); |
2333 | return (0); | |
2334 | } | |
2335 | else | |
2336 | return (1); | |
726f6388 | 2337 | } |
95732b49 | 2338 | #endif /* BANG_HISTORY */ |
ccc6cda3 | 2339 | |
726f6388 | 2340 | /* History and alias expand the line. */ |
cce855bc | 2341 | static int |
28ef6c31 JA |
2342 | history_and_alias_expand_line (count, ignore) |
2343 | int count, ignore; | |
726f6388 JA |
2344 | { |
2345 | char *new_line; | |
2346 | ||
95732b49 JA |
2347 | new_line = 0; |
2348 | #if defined (BANG_HISTORY) | |
b80f6443 | 2349 | new_line = history_expand_line_internal (rl_line_buffer); |
95732b49 | 2350 | #endif |
726f6388 JA |
2351 | |
2352 | #if defined (ALIAS) | |
2353 | if (new_line) | |
2354 | { | |
2355 | char *alias_line; | |
2356 | ||
2357 | alias_line = alias_expand (new_line); | |
2358 | free (new_line); | |
2359 | new_line = alias_line; | |
2360 | } | |
2361 | #endif /* ALIAS */ | |
2362 | ||
2363 | if (new_line) | |
cce855bc JA |
2364 | { |
2365 | set_up_new_line (new_line); | |
2366 | return (0); | |
2367 | } | |
726f6388 | 2368 | else |
cce855bc JA |
2369 | { |
2370 | cleanup_expansion_error (); | |
2371 | return (1); | |
2372 | } | |
726f6388 JA |
2373 | } |
2374 | ||
2375 | /* History and alias expand the line, then perform the shell word | |
cce855bc JA |
2376 | expansions by calling expand_string. This can't use set_up_new_line() |
2377 | because we want the variable expansions as a separate undo'able | |
2378 | set of operations. */ | |
28ef6c31 JA |
2379 | static int |
2380 | shell_expand_line (count, ignore) | |
2381 | int count, ignore; | |
726f6388 JA |
2382 | { |
2383 | char *new_line; | |
ccc6cda3 | 2384 | WORD_LIST *expanded_string; |
726f6388 | 2385 | |
95732b49 JA |
2386 | new_line = 0; |
2387 | #if defined (BANG_HISTORY) | |
b80f6443 | 2388 | new_line = history_expand_line_internal (rl_line_buffer); |
95732b49 | 2389 | #endif |
726f6388 JA |
2390 | |
2391 | #if defined (ALIAS) | |
2392 | if (new_line) | |
2393 | { | |
2394 | char *alias_line; | |
2395 | ||
2396 | alias_line = alias_expand (new_line); | |
2397 | free (new_line); | |
2398 | new_line = alias_line; | |
2399 | } | |
2400 | #endif /* ALIAS */ | |
2401 | ||
2402 | if (new_line) | |
2403 | { | |
2404 | int old_point = rl_point; | |
2405 | int at_end = rl_point == rl_end; | |
2406 | ||
2407 | /* If the line was history and alias expanded, then make that | |
2408 | be one thing to undo. */ | |
2409 | maybe_make_readline_line (new_line); | |
2410 | free (new_line); | |
2411 | ||
2412 | /* If there is variable expansion to perform, do that as a separate | |
2413 | operation to be undone. */ | |
d166f048 JA |
2414 | new_line = savestring (rl_line_buffer); |
2415 | expanded_string = expand_string (new_line, 0); | |
2416 | FREE (new_line); | |
ccc6cda3 JA |
2417 | if (expanded_string == 0) |
2418 | { | |
f73dda09 | 2419 | new_line = (char *)xmalloc (1); |
ccc6cda3 JA |
2420 | new_line[0] = '\0'; |
2421 | } | |
2422 | else | |
2423 | { | |
2424 | new_line = string_list (expanded_string); | |
2425 | dispose_words (expanded_string); | |
2426 | } | |
726f6388 | 2427 | |
ccc6cda3 JA |
2428 | maybe_make_readline_line (new_line); |
2429 | free (new_line); | |
726f6388 | 2430 | |
ccc6cda3 JA |
2431 | /* Place rl_point where we think it should go. */ |
2432 | if (at_end) | |
2433 | rl_point = rl_end; | |
2434 | else if (old_point < rl_end) | |
2435 | { | |
2436 | rl_point = old_point; | |
2437 | if (!whitespace (rl_line_buffer[rl_point])) | |
b72432fd | 2438 | rl_forward_word (1, 0); |
ccc6cda3 | 2439 | } |
28ef6c31 | 2440 | return 0; |
726f6388 JA |
2441 | } |
2442 | else | |
28ef6c31 JA |
2443 | { |
2444 | cleanup_expansion_error (); | |
2445 | return 1; | |
2446 | } | |
726f6388 JA |
2447 | } |
2448 | ||
ccc6cda3 JA |
2449 | /* If FIGNORE is set, then don't match files with the given suffixes when |
2450 | completing filenames. If only one of the possibilities has an acceptable | |
726f6388 JA |
2451 | suffix, delete the others, else just return and let the completer |
2452 | signal an error. It is called by the completer when real | |
2453 | completions are done on filenames by the completer's internal | |
2454 | function, not for completion lists (M-?) and not on "other" | |
ccc6cda3 | 2455 | completion types, such as hostnames or commands. */ |
726f6388 | 2456 | |
ccc6cda3 | 2457 | static struct ignorevar fignore = |
726f6388 | 2458 | { |
ccc6cda3 JA |
2459 | "FIGNORE", |
2460 | (struct ign *)0, | |
2461 | 0, | |
2462 | (char *)0, | |
f73dda09 | 2463 | (sh_iv_item_func_t *) 0, |
ccc6cda3 | 2464 | }; |
726f6388 | 2465 | |
726f6388 | 2466 | static void |
ccc6cda3 | 2467 | _ignore_completion_names (names, name_func) |
726f6388 | 2468 | char **names; |
f73dda09 | 2469 | sh_ignore_func_t *name_func; |
726f6388 JA |
2470 | { |
2471 | char **newnames; | |
2472 | int idx, nidx; | |
cce855bc JA |
2473 | char **oldnames; |
2474 | int oidx; | |
726f6388 JA |
2475 | |
2476 | /* If there is only one completion, see if it is acceptable. If it is | |
2477 | not, free it up. In any case, short-circuit and return. This is a | |
2478 | special case because names[0] is not the prefix of the list of names | |
2479 | if there is only one completion; it is the completion itself. */ | |
2480 | if (names[1] == (char *)0) | |
2481 | { | |
b80f6443 JA |
2482 | if (force_fignore) |
2483 | if ((*name_func) (names[0]) == 0) | |
2484 | { | |
2485 | free (names[0]); | |
2486 | names[0] = (char *)NULL; | |
2487 | } | |
2488 | ||
726f6388 JA |
2489 | return; |
2490 | } | |
2491 | ||
2492 | /* Allocate space for array to hold list of pointers to matching | |
2493 | filenames. The pointers are copied back to NAMES when done. */ | |
2494 | for (nidx = 1; names[nidx]; nidx++) | |
2495 | ; | |
7117c2d2 | 2496 | newnames = strvec_create (nidx + 1); |
b80f6443 JA |
2497 | |
2498 | if (force_fignore == 0) | |
2499 | { | |
2500 | oldnames = strvec_create (nidx - 1); | |
2501 | oidx = 0; | |
2502 | } | |
726f6388 JA |
2503 | |
2504 | newnames[0] = names[0]; | |
2505 | for (idx = nidx = 1; names[idx]; idx++) | |
2506 | { | |
2507 | if ((*name_func) (names[idx])) | |
2508 | newnames[nidx++] = names[idx]; | |
b80f6443 JA |
2509 | else if (force_fignore == 0) |
2510 | oldnames[oidx++] = names[idx]; | |
726f6388 | 2511 | else |
28ef6c31 | 2512 | free (names[idx]); |
726f6388 JA |
2513 | } |
2514 | ||
2515 | newnames[nidx] = (char *)NULL; | |
2516 | ||
2517 | /* If none are acceptable then let the completer handle it. */ | |
2518 | if (nidx == 1) | |
2519 | { | |
b80f6443 JA |
2520 | if (force_fignore) |
2521 | { | |
2522 | free (names[0]); | |
2523 | names[0] = (char *)NULL; | |
2524 | } | |
2525 | else | |
2526 | free (oldnames); | |
2527 | ||
726f6388 JA |
2528 | free (newnames); |
2529 | return; | |
2530 | } | |
2531 | ||
b80f6443 JA |
2532 | if (force_fignore == 0) |
2533 | { | |
2534 | while (oidx) | |
2535 | free (oldnames[--oidx]); | |
2536 | free (oldnames); | |
2537 | } | |
cce855bc | 2538 | |
726f6388 JA |
2539 | /* If only one is acceptable, copy it to names[0] and return. */ |
2540 | if (nidx == 2) | |
2541 | { | |
2542 | free (names[0]); | |
2543 | names[0] = newnames[1]; | |
2544 | names[1] = (char *)NULL; | |
2545 | free (newnames); | |
2546 | return; | |
2547 | } | |
ccc6cda3 | 2548 | |
726f6388 JA |
2549 | /* Copy the acceptable names back to NAMES, set the new array end, |
2550 | and return. */ | |
2551 | for (nidx = 1; newnames[nidx]; nidx++) | |
2552 | names[nidx] = newnames[nidx]; | |
2553 | names[nidx] = (char *)NULL; | |
ccc6cda3 JA |
2554 | free (newnames); |
2555 | } | |
2556 | ||
2557 | static int | |
2558 | name_is_acceptable (name) | |
f73dda09 | 2559 | const char *name; |
ccc6cda3 JA |
2560 | { |
2561 | struct ign *p; | |
2562 | int nlen; | |
2563 | ||
2564 | for (nlen = strlen (name), p = fignore.ignores; p->val; p++) | |
2565 | { | |
2566 | if (nlen > p->len && p->len > 0 && STREQ (p->val, &name[nlen - p->len])) | |
2567 | return (0); | |
2568 | } | |
2569 | ||
2570 | return (1); | |
726f6388 JA |
2571 | } |
2572 | ||
b72432fd JA |
2573 | #if 0 |
2574 | static int | |
2575 | ignore_dot_names (name) | |
2576 | char *name; | |
2577 | { | |
2578 | return (name[0] != '.'); | |
2579 | } | |
2580 | #endif | |
2581 | ||
28ef6c31 | 2582 | static int |
726f6388 JA |
2583 | filename_completion_ignore (names) |
2584 | char **names; | |
2585 | { | |
b72432fd JA |
2586 | #if 0 |
2587 | if (glob_dot_filenames == 0) | |
2588 | _ignore_completion_names (names, ignore_dot_names); | |
2589 | #endif | |
2590 | ||
ccc6cda3 | 2591 | setup_ignore_patterns (&fignore); |
726f6388 | 2592 | |
ccc6cda3 | 2593 | if (fignore.num_ignores == 0) |
28ef6c31 | 2594 | return 0; |
726f6388 | 2595 | |
ccc6cda3 | 2596 | _ignore_completion_names (names, name_is_acceptable); |
28ef6c31 JA |
2597 | |
2598 | return 0; | |
726f6388 JA |
2599 | } |
2600 | ||
3185942a | 2601 | /* Return 1 if NAME is a directory. NAME undergoes tilde expansion. */ |
726f6388 JA |
2602 | static int |
2603 | test_for_directory (name) | |
f73dda09 | 2604 | const char *name; |
726f6388 | 2605 | { |
726f6388 | 2606 | char *fn; |
3185942a | 2607 | int r; |
726f6388 | 2608 | |
7117c2d2 | 2609 | fn = bash_tilde_expand (name, 0); |
3185942a | 2610 | r = file_isdir (fn); |
726f6388 | 2611 | free (fn); |
3185942a JA |
2612 | |
2613 | return (r); | |
726f6388 JA |
2614 | } |
2615 | ||
2616 | /* Remove files from NAMES, leaving directories. */ | |
28ef6c31 | 2617 | static int |
726f6388 JA |
2618 | bash_ignore_filenames (names) |
2619 | char **names; | |
2620 | { | |
ccc6cda3 | 2621 | _ignore_completion_names (names, test_for_directory); |
28ef6c31 | 2622 | return 0; |
726f6388 JA |
2623 | } |
2624 | ||
bb70624e JA |
2625 | static int |
2626 | return_zero (name) | |
f73dda09 | 2627 | const char *name; |
bb70624e JA |
2628 | { |
2629 | return 0; | |
2630 | } | |
2631 | ||
28ef6c31 | 2632 | static int |
bb70624e JA |
2633 | bash_ignore_everything (names) |
2634 | char **names; | |
2635 | { | |
2636 | _ignore_completion_names (names, return_zero); | |
28ef6c31 | 2637 | return 0; |
bb70624e JA |
2638 | } |
2639 | ||
3185942a JA |
2640 | /* Replace a tilde-prefix in VAL with a `~', assuming the user typed it. VAL |
2641 | is an expanded filename. DIRECTORY_PART is the tilde-prefix portion | |
2642 | of the un-tilde-expanded version of VAL (what the user typed). */ | |
2643 | static char * | |
2644 | restore_tilde (val, directory_part) | |
2645 | char *val, *directory_part; | |
2646 | { | |
2647 | int l, vl, dl2, xl; | |
2648 | char *dh2, *expdir, *ret; | |
2649 | ||
2650 | vl = strlen (val); | |
2651 | ||
2652 | /* We need to duplicate the expansions readline performs on the directory | |
2653 | portion before passing it to our completion function. */ | |
2654 | dh2 = directory_part ? bash_dequote_filename (directory_part, 0) : 0; | |
2655 | bash_directory_expansion (&dh2); | |
2656 | dl2 = strlen (dh2); | |
2657 | ||
2658 | expdir = bash_tilde_expand (directory_part, 0); | |
2659 | xl = strlen (expdir); | |
2660 | free (expdir); | |
2661 | ||
2662 | /* | |
2663 | dh2 = unexpanded but dequoted tilde-prefix | |
2664 | dl2 = length of tilde-prefix | |
2665 | expdir = tilde-expanded tilde-prefix | |
2666 | xl = length of expanded tilde-prefix | |
2667 | l = length of remainder after tilde-prefix | |
2668 | */ | |
2669 | l = (vl - xl) + 1; | |
2670 | ||
2671 | ret = (char *)xmalloc (dl2 + 2 + l); | |
2672 | strcpy (ret, dh2); | |
2673 | strcpy (ret + dl2, val + xl); | |
2674 | ||
2675 | free (dh2); | |
2676 | return (ret); | |
2677 | } | |
2678 | ||
eb873671 JA |
2679 | /* Simulate the expansions that will be performed by |
2680 | rl_filename_completion_function. This must be called with the address of | |
2681 | a pointer to malloc'd memory. */ | |
95732b49 | 2682 | static void |
eb873671 JA |
2683 | bash_directory_expansion (dirname) |
2684 | char **dirname; | |
2685 | { | |
0628567a | 2686 | char *d, *nd; |
eb873671 JA |
2687 | |
2688 | d = savestring (*dirname); | |
2689 | ||
2690 | if (rl_directory_rewrite_hook) | |
2691 | (*rl_directory_rewrite_hook) (&d); | |
495aee44 | 2692 | else if (rl_directory_completion_hook && (*rl_directory_completion_hook) (&d)) |
eb873671 JA |
2693 | { |
2694 | free (*dirname); | |
2695 | *dirname = d; | |
2696 | } | |
0628567a JA |
2697 | else if (rl_completion_found_quote) |
2698 | { | |
2699 | nd = bash_dequote_filename (d, rl_completion_quote_character); | |
2700 | free (*dirname); | |
2701 | free (d); | |
2702 | *dirname = nd; | |
2703 | } | |
eb873671 | 2704 | } |
3185942a | 2705 | |
0001803f CR |
2706 | /* If necessary, rewrite directory entry */ |
2707 | static char * | |
2708 | bash_filename_rewrite_hook (fname, fnlen) | |
2709 | char *fname; | |
2710 | int fnlen; | |
2711 | { | |
2712 | char *conv; | |
2713 | ||
2714 | conv = fnx_fromfs (fname, fnlen); | |
2715 | if (conv != fname) | |
2716 | conv = savestring (conv); | |
2717 | return conv; | |
2718 | } | |
2719 | ||
16b2d7f4 CR |
2720 | /* Functions to save and restore the appropriate directory hook */ |
2721 | /* This is not static so the shopt code can call it */ | |
2722 | void | |
2723 | set_directory_hook () | |
2724 | { | |
2725 | if (dircomplete_expand) | |
2726 | { | |
2727 | rl_directory_completion_hook = bash_directory_completion_hook; | |
2728 | rl_directory_rewrite_hook = (rl_icppfunc_t *)0; | |
2729 | } | |
2730 | else | |
2731 | { | |
2732 | rl_directory_rewrite_hook = bash_directory_completion_hook; | |
2733 | rl_directory_completion_hook = (rl_icppfunc_t *)0; | |
2734 | } | |
2735 | } | |
2736 | ||
2737 | static rl_icppfunc_t * | |
2738 | save_directory_hook () | |
2739 | { | |
2740 | rl_icppfunc_t *ret; | |
2741 | ||
2742 | if (dircomplete_expand) | |
2743 | { | |
2744 | ret = rl_directory_completion_hook; | |
2745 | rl_directory_completion_hook = (rl_icppfunc_t *)NULL; | |
2746 | } | |
2747 | else | |
2748 | { | |
2749 | ret = rl_directory_rewrite_hook; | |
2750 | rl_directory_rewrite_hook = (rl_icppfunc_t *)NULL; | |
2751 | } | |
2752 | ||
2753 | return ret; | |
2754 | } | |
2755 | ||
2756 | static void | |
2757 | restore_directory_hook (hookf) | |
2758 | rl_icppfunc_t *hookf; | |
2759 | { | |
2760 | if (dircomplete_expand) | |
2761 | rl_directory_completion_hook = hookf; | |
2762 | else | |
2763 | rl_directory_rewrite_hook = hookf; | |
2764 | } | |
2765 | ||
726f6388 | 2766 | /* Handle symbolic link references and other directory name |
495aee44 CR |
2767 | expansions while hacking completion. This should return 1 if it modifies |
2768 | the DIRNAME argument, 0 otherwise. It should make sure not to modify | |
2769 | DIRNAME if it returns 0. */ | |
726f6388 JA |
2770 | static int |
2771 | bash_directory_completion_hook (dirname) | |
2772 | char **dirname; | |
2773 | { | |
b72432fd | 2774 | char *local_dirname, *new_dirname, *t; |
16b2d7f4 | 2775 | int return_value, should_expand_dirname, nextch, closer; |
726f6388 | 2776 | WORD_LIST *wl; |
b80f6443 | 2777 | struct stat sb; |
726f6388 | 2778 | |
16b2d7f4 | 2779 | return_value = should_expand_dirname = nextch = closer = 0; |
726f6388 | 2780 | local_dirname = *dirname; |
bb70624e | 2781 | |
16b2d7f4 CR |
2782 | if (t = mbschr (local_dirname, '$')) |
2783 | { | |
2784 | should_expand_dirname = '$'; | |
2785 | nextch = t[1]; | |
2786 | /* Deliberately does not handle the deprecated $[...] arithmetic | |
2787 | expansion syntax */ | |
2788 | if (nextch == '(') | |
2789 | closer = ')'; | |
2790 | else if (nextch == '{') | |
2791 | closer = '}'; | |
2792 | else | |
2793 | nextch = 0; | |
2794 | } | |
bb70624e JA |
2795 | else |
2796 | { | |
0001803f | 2797 | t = mbschr (local_dirname, '`'); |
bb70624e | 2798 | if (t && unclosed_pair (local_dirname, strlen (local_dirname), "`") == 0) |
16b2d7f4 | 2799 | should_expand_dirname = '`'; |
bb70624e | 2800 | } |
bb70624e | 2801 | |
b80f6443 JA |
2802 | #if defined (HAVE_LSTAT) |
2803 | if (should_expand_dirname && lstat (local_dirname, &sb) == 0) | |
2804 | #else | |
2805 | if (should_expand_dirname && stat (local_dirname, &sb) == 0) | |
2806 | #endif | |
2807 | should_expand_dirname = 0; | |
2808 | ||
bb70624e | 2809 | if (should_expand_dirname) |
726f6388 | 2810 | { |
bb70624e | 2811 | new_dirname = savestring (local_dirname); |
f1be666c | 2812 | wl = expand_prompt_string (new_dirname, 0, W_NOCOMSUB); /* does the right thing */ |
726f6388 JA |
2813 | if (wl) |
2814 | { | |
2815 | *dirname = string_list (wl); | |
2816 | /* Tell the completer to replace the directory name only if we | |
2817 | actually expanded something. */ | |
2818 | return_value = STREQ (local_dirname, *dirname) == 0; | |
2819 | free (local_dirname); | |
b72432fd | 2820 | free (new_dirname); |
726f6388 JA |
2821 | dispose_words (wl); |
2822 | local_dirname = *dirname; | |
16b2d7f4 CR |
2823 | /* XXX - change rl_filename_quote_characters here based on |
2824 | should_expand_dirname/nextch/closer. This is the only place | |
2825 | custom_filename_quote_characters is modified. */ | |
2826 | if (rl_filename_quote_characters && *rl_filename_quote_characters) | |
2827 | { | |
2828 | int i, j, c; | |
2829 | i = strlen (default_filename_quote_characters); | |
2830 | custom_filename_quote_characters = xrealloc (custom_filename_quote_characters, i+1); | |
2831 | for (i = j = 0; c = default_filename_quote_characters[i]; i++) | |
2832 | { | |
2833 | if (c == should_expand_dirname || c == nextch || c == closer) | |
2834 | continue; | |
2835 | custom_filename_quote_characters[j++] = c; | |
2836 | } | |
2837 | custom_filename_quote_characters[j] = '\0'; | |
2838 | rl_filename_quote_characters = custom_filename_quote_characters; | |
2839 | } | |
726f6388 JA |
2840 | } |
2841 | else | |
2842 | { | |
b72432fd | 2843 | free (new_dirname); |
726f6388 | 2844 | free (local_dirname); |
f73dda09 | 2845 | *dirname = (char *)xmalloc (1); |
ccc6cda3 | 2846 | **dirname = '\0'; |
726f6388 JA |
2847 | return 1; |
2848 | } | |
2849 | } | |
0628567a JA |
2850 | else |
2851 | { | |
2852 | /* Dequote the filename even if we don't expand it. */ | |
2853 | new_dirname = bash_dequote_filename (local_dirname, rl_completion_quote_character); | |
495aee44 | 2854 | return_value = STREQ (local_dirname, new_dirname) == 0; |
0628567a JA |
2855 | free (local_dirname); |
2856 | local_dirname = *dirname = new_dirname; | |
2857 | } | |
726f6388 | 2858 | |
16b2d7f4 CR |
2859 | /* no_symbolic_links == 0 -> use (default) logical view of the file system. |
2860 | local_dirname[0] == '.' && local_dirname[1] == '/' means files in the | |
2861 | current directory (./). | |
2862 | local_dirname[0] == '.' && local_dirname[1] == 0 means relative pathnames | |
2863 | in the current directory (e.g., lib/sh). | |
2864 | XXX - should we do spelling correction on these? */ | |
2865 | ||
2866 | /* This is test as it was in bash-4.2: skip relative pathnames in current | |
2867 | directory. Change test to | |
2868 | (local_dirname[0] != '.' || (local_dirname[1] && local_dirname[1] != '/')) | |
2869 | if we want to skip paths beginning with ./ also. */ | |
3185942a | 2870 | if (no_symbolic_links == 0 && (local_dirname[0] != '.' || local_dirname[1])) |
726f6388 JA |
2871 | { |
2872 | char *temp1, *temp2; | |
2873 | int len1, len2; | |
2874 | ||
16b2d7f4 CR |
2875 | /* If we have a relative path |
2876 | (local_dirname[0] != '/' && local_dirname[0] != '.') | |
2877 | that is canonical after appending it to the current directory, then | |
2878 | temp1 = temp2+'/' | |
2879 | That is, | |
2880 | strcmp (temp1, temp2) == 0 | |
2881 | after adding a slash to temp2 below. It should be safe to not | |
2882 | change those. | |
2883 | */ | |
726f6388 JA |
2884 | t = get_working_directory ("symlink-hook"); |
2885 | temp1 = make_absolute (local_dirname, t); | |
2886 | free (t); | |
28ef6c31 | 2887 | temp2 = sh_canonpath (temp1, PATH_CHECKDOTDOT|PATH_CHECKEXISTS); |
3185942a JA |
2888 | |
2889 | /* Try spelling correction if initial canonicalization fails. */ | |
2890 | if (temp2 == 0 && dircomplete_spelling) | |
2891 | { | |
2892 | temp2 = dirspell (temp1); | |
2893 | if (temp2) | |
2894 | { | |
2895 | free (temp1); | |
2896 | temp1 = temp2; | |
2897 | temp2 = sh_canonpath (temp1, PATH_CHECKDOTDOT|PATH_CHECKEXISTS); | |
495aee44 | 2898 | return_value |= temp2 != 0; |
3185942a JA |
2899 | } |
2900 | } | |
ccc6cda3 JA |
2901 | /* If we can't canonicalize, bail. */ |
2902 | if (temp2 == 0) | |
2903 | { | |
2904 | free (temp1); | |
495aee44 | 2905 | return return_value; |
ccc6cda3 | 2906 | } |
726f6388 JA |
2907 | len1 = strlen (temp1); |
2908 | if (temp1[len1 - 1] == '/') | |
28ef6c31 | 2909 | { |
726f6388 | 2910 | len2 = strlen (temp2); |
95732b49 JA |
2911 | if (len2 > 2) /* don't append `/' to `/' or `//' */ |
2912 | { | |
2913 | temp2 = (char *)xrealloc (temp2, len2 + 2); | |
2914 | temp2[len2] = '/'; | |
2915 | temp2[len2 + 1] = '\0'; | |
2916 | } | |
28ef6c31 | 2917 | } |
16b2d7f4 CR |
2918 | |
2919 | /* dircomplete_expand_relpath == 0 means we want to leave relative | |
2920 | pathnames that are unchanged by canonicalization alone. | |
2921 | *local_dirname != '/' && *local_dirname != '.' == relative pathname | |
2922 | (consistent with general.c:absolute_pathname()) | |
2923 | temp1 == temp2 (after appending a slash to temp2) means the pathname | |
2924 | is not changed by canonicalization as described above. */ | |
2925 | if (dircomplete_expand_relpath || ((local_dirname[0] != '/' && local_dirname[0] != '.') && STREQ (temp1, temp2) == 0)) | |
2926 | return_value |= STREQ (local_dirname, temp2) == 0; | |
726f6388 JA |
2927 | free (local_dirname); |
2928 | *dirname = temp2; | |
2929 | free (temp1); | |
2930 | } | |
495aee44 | 2931 | |
726f6388 JA |
2932 | return (return_value); |
2933 | } | |
2934 | ||
726f6388 | 2935 | static char **history_completion_array = (char **)NULL; |
ccc6cda3 JA |
2936 | static int harry_size; |
2937 | static int harry_len; | |
726f6388 JA |
2938 | |
2939 | static void | |
2940 | build_history_completion_array () | |
2941 | { | |
ccc6cda3 JA |
2942 | register int i, j; |
2943 | HIST_ENTRY **hlist; | |
2944 | char **tokens; | |
726f6388 JA |
2945 | |
2946 | /* First, clear out the current dynamic history completion list. */ | |
2947 | if (harry_size) | |
2948 | { | |
7117c2d2 | 2949 | strvec_dispose (history_completion_array); |
726f6388 JA |
2950 | history_completion_array = (char **)NULL; |
2951 | harry_size = 0; | |
2952 | harry_len = 0; | |
2953 | } | |
2954 | ||
2955 | /* Next, grovel each line of history, making each shell-sized token | |
2956 | a separate entry in the history_completion_array. */ | |
ccc6cda3 | 2957 | hlist = history_list (); |
726f6388 | 2958 | |
ccc6cda3 JA |
2959 | if (hlist) |
2960 | { | |
2961 | for (i = 0; hlist[i]; i++) | |
0001803f CR |
2962 | ; |
2963 | for ( --i; i >= 0; i--) | |
ccc6cda3 JA |
2964 | { |
2965 | /* Separate each token, and place into an array. */ | |
2966 | tokens = history_tokenize (hlist[i]->line); | |
726f6388 | 2967 | |
ccc6cda3 JA |
2968 | for (j = 0; tokens && tokens[j]; j++) |
2969 | { | |
2970 | if (harry_len + 2 > harry_size) | |
7117c2d2 | 2971 | history_completion_array = strvec_resize (history_completion_array, harry_size += 10); |
726f6388 | 2972 | |
ccc6cda3 JA |
2973 | history_completion_array[harry_len++] = tokens[j]; |
2974 | history_completion_array[harry_len] = (char *)NULL; | |
2975 | } | |
2976 | free (tokens); | |
2977 | } | |
726f6388 | 2978 | |
ccc6cda3 | 2979 | /* Sort the complete list of tokens. */ |
0001803f CR |
2980 | if (dabbrev_expand_active == 0) |
2981 | qsort (history_completion_array, harry_len, sizeof (char *), (QSFUNC *)strvec_strcmp); | |
ccc6cda3 | 2982 | } |
726f6388 JA |
2983 | } |
2984 | ||
2985 | static char * | |
2986 | history_completion_generator (hint_text, state) | |
f73dda09 | 2987 | const char *hint_text; |
726f6388 JA |
2988 | int state; |
2989 | { | |
ccc6cda3 | 2990 | static int local_index, len; |
f73dda09 | 2991 | static const char *text; |
726f6388 JA |
2992 | |
2993 | /* If this is the first call to the generator, then initialize the | |
2994 | list of strings to complete over. */ | |
ccc6cda3 | 2995 | if (state == 0) |
726f6388 | 2996 | { |
0001803f CR |
2997 | if (dabbrev_expand_active) /* This is kind of messy */ |
2998 | rl_completion_suppress_append = 1; | |
726f6388 JA |
2999 | local_index = 0; |
3000 | build_history_completion_array (); | |
3001 | text = hint_text; | |
3002 | len = strlen (text); | |
3003 | } | |
3004 | ||
3005 | while (history_completion_array && history_completion_array[local_index]) | |
3006 | { | |
3007 | if (strncmp (text, history_completion_array[local_index++], len) == 0) | |
3008 | return (savestring (history_completion_array[local_index - 1])); | |
3009 | } | |
3010 | return ((char *)NULL); | |
3011 | } | |
3012 | ||
28ef6c31 | 3013 | static int |
726f6388 JA |
3014 | dynamic_complete_history (count, key) |
3015 | int count, key; | |
3016 | { | |
f73dda09 | 3017 | int r; |
28ef6c31 JA |
3018 | rl_compentry_func_t *orig_func; |
3019 | rl_completion_func_t *orig_attempt_func; | |
495aee44 | 3020 | rl_compignore_func_t *orig_ignore_func; |
726f6388 JA |
3021 | |
3022 | orig_func = rl_completion_entry_function; | |
3023 | orig_attempt_func = rl_attempted_completion_function; | |
495aee44 | 3024 | orig_ignore_func = rl_ignore_some_completions_function; |
3185942a | 3025 | |
28ef6c31 JA |
3026 | rl_completion_entry_function = history_completion_generator; |
3027 | rl_attempted_completion_function = (rl_completion_func_t *)NULL; | |
495aee44 | 3028 | rl_ignore_some_completions_function = filename_completion_ignore; |
726f6388 | 3029 | |
7117c2d2 | 3030 | /* XXX - use rl_completion_mode here? */ |
28ef6c31 | 3031 | if (rl_last_func == dynamic_complete_history) |
f73dda09 | 3032 | r = rl_complete_internal ('?'); |
726f6388 | 3033 | else |
f73dda09 | 3034 | r = rl_complete_internal (TAB); |
726f6388 JA |
3035 | |
3036 | rl_completion_entry_function = orig_func; | |
3037 | rl_attempted_completion_function = orig_attempt_func; | |
495aee44 CR |
3038 | rl_ignore_some_completions_function = orig_ignore_func; |
3039 | ||
f73dda09 | 3040 | return r; |
726f6388 JA |
3041 | } |
3042 | ||
3185942a JA |
3043 | static int |
3044 | bash_dabbrev_expand (count, key) | |
3045 | int count, key; | |
3046 | { | |
0001803f | 3047 | int r, orig_suppress, orig_sort; |
3185942a JA |
3048 | rl_compentry_func_t *orig_func; |
3049 | rl_completion_func_t *orig_attempt_func; | |
495aee44 | 3050 | rl_compignore_func_t *orig_ignore_func; |
3185942a JA |
3051 | |
3052 | orig_func = rl_menu_completion_entry_function; | |
3053 | orig_attempt_func = rl_attempted_completion_function; | |
495aee44 | 3054 | orig_ignore_func = rl_ignore_some_completions_function; |
0001803f CR |
3055 | orig_suppress = rl_completion_suppress_append; |
3056 | orig_sort = rl_sort_completion_matches; | |
3185942a JA |
3057 | |
3058 | rl_menu_completion_entry_function = history_completion_generator; | |
3059 | rl_attempted_completion_function = (rl_completion_func_t *)NULL; | |
495aee44 | 3060 | rl_ignore_some_completions_function = filename_completion_ignore; |
3185942a | 3061 | rl_filename_completion_desired = 0; |
0001803f CR |
3062 | rl_completion_suppress_append = 1; |
3063 | rl_sort_completion_matches = 0; | |
3185942a JA |
3064 | |
3065 | /* XXX - use rl_completion_mode here? */ | |
0001803f | 3066 | dabbrev_expand_active = 1; |
3185942a JA |
3067 | if (rl_last_func == bash_dabbrev_expand) |
3068 | rl_last_func = rl_menu_complete; | |
3069 | r = rl_menu_complete (count, key); | |
0001803f | 3070 | dabbrev_expand_active = 0; |
3185942a JA |
3071 | |
3072 | rl_last_func = bash_dabbrev_expand; | |
3073 | rl_menu_completion_entry_function = orig_func; | |
3074 | rl_attempted_completion_function = orig_attempt_func; | |
495aee44 | 3075 | rl_ignore_some_completions_function = orig_ignore_func; |
0001803f CR |
3076 | rl_completion_suppress_append = orig_suppress; |
3077 | rl_sort_completion_matches = orig_sort; | |
3185942a JA |
3078 | |
3079 | return r; | |
3080 | } | |
3081 | ||
726f6388 | 3082 | #if defined (SPECIFIC_COMPLETION_FUNCTIONS) |
28ef6c31 | 3083 | static int |
726f6388 JA |
3084 | bash_complete_username (ignore, ignore2) |
3085 | int ignore, ignore2; | |
3086 | { | |
7117c2d2 | 3087 | return bash_complete_username_internal (rl_completion_mode (bash_complete_username)); |
726f6388 JA |
3088 | } |
3089 | ||
28ef6c31 | 3090 | static int |
726f6388 JA |
3091 | bash_possible_username_completions (ignore, ignore2) |
3092 | int ignore, ignore2; | |
3093 | { | |
28ef6c31 | 3094 | return bash_complete_username_internal ('?'); |
726f6388 JA |
3095 | } |
3096 | ||
28ef6c31 | 3097 | static int |
726f6388 JA |
3098 | bash_complete_username_internal (what_to_do) |
3099 | int what_to_do; | |
3100 | { | |
28ef6c31 | 3101 | return bash_specific_completion (what_to_do, rl_username_completion_function); |
726f6388 JA |
3102 | } |
3103 | ||
28ef6c31 | 3104 | static int |
726f6388 JA |
3105 | bash_complete_filename (ignore, ignore2) |
3106 | int ignore, ignore2; | |
3107 | { | |
7117c2d2 | 3108 | return bash_complete_filename_internal (rl_completion_mode (bash_complete_filename)); |
726f6388 JA |
3109 | } |
3110 | ||
28ef6c31 | 3111 | static int |
726f6388 JA |
3112 | bash_possible_filename_completions (ignore, ignore2) |
3113 | int ignore, ignore2; | |
3114 | { | |
28ef6c31 | 3115 | return bash_complete_filename_internal ('?'); |
726f6388 JA |
3116 | } |
3117 | ||
28ef6c31 | 3118 | static int |
726f6388 JA |
3119 | bash_complete_filename_internal (what_to_do) |
3120 | int what_to_do; | |
3121 | { | |
28ef6c31 JA |
3122 | rl_compentry_func_t *orig_func; |
3123 | rl_completion_func_t *orig_attempt_func; | |
3124 | rl_icppfunc_t *orig_dir_func; | |
495aee44 | 3125 | rl_compignore_func_t *orig_ignore_func; |
b80f6443 | 3126 | /*const*/ char *orig_rl_completer_word_break_characters; |
28ef6c31 | 3127 | int r; |
726f6388 JA |
3128 | |
3129 | orig_func = rl_completion_entry_function; | |
3130 | orig_attempt_func = rl_attempted_completion_function; | |
495aee44 | 3131 | orig_ignore_func = rl_ignore_some_completions_function; |
726f6388 | 3132 | orig_rl_completer_word_break_characters = rl_completer_word_break_characters; |
16b2d7f4 CR |
3133 | |
3134 | orig_dir_func = save_directory_hook (); | |
3135 | ||
28ef6c31 JA |
3136 | rl_completion_entry_function = rl_filename_completion_function; |
3137 | rl_attempted_completion_function = (rl_completion_func_t *)NULL; | |
495aee44 | 3138 | rl_ignore_some_completions_function = filename_completion_ignore; |
726f6388 JA |
3139 | rl_completer_word_break_characters = " \t\n\"\'"; |
3140 | ||
28ef6c31 | 3141 | r = rl_complete_internal (what_to_do); |
726f6388 JA |
3142 | |
3143 | rl_completion_entry_function = orig_func; | |
3144 | rl_attempted_completion_function = orig_attempt_func; | |
495aee44 | 3145 | rl_ignore_some_completions_function = orig_ignore_func; |
726f6388 | 3146 | rl_completer_word_break_characters = orig_rl_completer_word_break_characters; |
28ef6c31 | 3147 | |
16b2d7f4 CR |
3148 | restore_directory_hook (orig_dir_func); |
3149 | ||
28ef6c31 | 3150 | return r; |
726f6388 JA |
3151 | } |
3152 | ||
28ef6c31 | 3153 | static int |
726f6388 JA |
3154 | bash_complete_hostname (ignore, ignore2) |
3155 | int ignore, ignore2; | |
3156 | { | |
7117c2d2 | 3157 | return bash_complete_hostname_internal (rl_completion_mode (bash_complete_hostname)); |
726f6388 JA |
3158 | } |
3159 | ||
28ef6c31 | 3160 | static int |
726f6388 JA |
3161 | bash_possible_hostname_completions (ignore, ignore2) |
3162 | int ignore, ignore2; | |
3163 | { | |
28ef6c31 | 3164 | return bash_complete_hostname_internal ('?'); |
726f6388 JA |
3165 | } |
3166 | ||
28ef6c31 | 3167 | static int |
726f6388 JA |
3168 | bash_complete_variable (ignore, ignore2) |
3169 | int ignore, ignore2; | |
3170 | { | |
7117c2d2 | 3171 | return bash_complete_variable_internal (rl_completion_mode (bash_complete_variable)); |
726f6388 JA |
3172 | } |
3173 | ||
28ef6c31 | 3174 | static int |
726f6388 JA |
3175 | bash_possible_variable_completions (ignore, ignore2) |
3176 | int ignore, ignore2; | |
3177 | { | |
28ef6c31 | 3178 | return bash_complete_variable_internal ('?'); |
726f6388 JA |
3179 | } |
3180 | ||
28ef6c31 | 3181 | static int |
726f6388 JA |
3182 | bash_complete_command (ignore, ignore2) |
3183 | int ignore, ignore2; | |
3184 | { | |
7117c2d2 | 3185 | return bash_complete_command_internal (rl_completion_mode (bash_complete_command)); |
726f6388 JA |
3186 | } |
3187 | ||
28ef6c31 | 3188 | static int |
726f6388 JA |
3189 | bash_possible_command_completions (ignore, ignore2) |
3190 | int ignore, ignore2; | |
3191 | { | |
28ef6c31 | 3192 | return bash_complete_command_internal ('?'); |
726f6388 JA |
3193 | } |
3194 | ||
28ef6c31 | 3195 | static int |
726f6388 JA |
3196 | bash_complete_hostname_internal (what_to_do) |
3197 | int what_to_do; | |
3198 | { | |
28ef6c31 | 3199 | return bash_specific_completion (what_to_do, hostname_completion_function); |
726f6388 JA |
3200 | } |
3201 | ||
28ef6c31 | 3202 | static int |
726f6388 JA |
3203 | bash_complete_variable_internal (what_to_do) |
3204 | int what_to_do; | |
3205 | { | |
28ef6c31 | 3206 | return bash_specific_completion (what_to_do, variable_completion_function); |
726f6388 JA |
3207 | } |
3208 | ||
28ef6c31 | 3209 | static int |
726f6388 JA |
3210 | bash_complete_command_internal (what_to_do) |
3211 | int what_to_do; | |
3212 | { | |
28ef6c31 | 3213 | return bash_specific_completion (what_to_do, command_word_completion_function); |
726f6388 JA |
3214 | } |
3215 | ||
7117c2d2 JA |
3216 | static char *globtext; |
3217 | static char *globorig; | |
3218 | ||
ccc6cda3 JA |
3219 | static char * |
3220 | glob_complete_word (text, state) | |
28ef6c31 | 3221 | const char *text; |
ccc6cda3 JA |
3222 | int state; |
3223 | { | |
3224 | static char **matches = (char **)NULL; | |
3225 | static int ind; | |
7117c2d2 | 3226 | int glen; |
eb873671 | 3227 | char *ret, *ttext; |
ccc6cda3 JA |
3228 | |
3229 | if (state == 0) | |
3230 | { | |
e8ce775d | 3231 | rl_filename_completion_desired = 1; |
7117c2d2 JA |
3232 | FREE (matches); |
3233 | if (globorig != globtext) | |
3234 | FREE (globorig); | |
3235 | FREE (globtext); | |
3236 | ||
eb873671 JA |
3237 | ttext = bash_tilde_expand (text, 0); |
3238 | ||
7117c2d2 JA |
3239 | if (rl_explicit_arg) |
3240 | { | |
eb873671 JA |
3241 | globorig = savestring (ttext); |
3242 | glen = strlen (ttext); | |
7117c2d2 | 3243 | globtext = (char *)xmalloc (glen + 2); |
eb873671 | 3244 | strcpy (globtext, ttext); |
7117c2d2 JA |
3245 | globtext[glen] = '*'; |
3246 | globtext[glen+1] = '\0'; | |
3247 | } | |
3248 | else | |
eb873671 JA |
3249 | globtext = globorig = savestring (ttext); |
3250 | ||
3251 | if (ttext != text) | |
3252 | free (ttext); | |
7117c2d2 JA |
3253 | |
3254 | matches = shell_glob_filename (globtext); | |
ccc6cda3 | 3255 | if (GLOB_FAILED (matches)) |
28ef6c31 | 3256 | matches = (char **)NULL; |
ccc6cda3 JA |
3257 | ind = 0; |
3258 | } | |
3259 | ||
3260 | ret = matches ? matches[ind] : (char *)NULL; | |
3261 | ind++; | |
3262 | return ret; | |
3263 | } | |
3264 | ||
28ef6c31 | 3265 | static int |
ccc6cda3 JA |
3266 | bash_glob_completion_internal (what_to_do) |
3267 | int what_to_do; | |
3268 | { | |
28ef6c31 | 3269 | return bash_specific_completion (what_to_do, glob_complete_word); |
ccc6cda3 JA |
3270 | } |
3271 | ||
7117c2d2 JA |
3272 | /* A special quoting function so we don't end up quoting globbing characters |
3273 | in the word if there are no matches or multiple matches. */ | |
3274 | static char * | |
3275 | bash_glob_quote_filename (s, rtype, qcp) | |
3276 | char *s; | |
3277 | int rtype; | |
3278 | char *qcp; | |
3279 | { | |
3280 | if (globorig && qcp && *qcp == '\0' && STREQ (s, globorig)) | |
3281 | return (savestring (s)); | |
3282 | else | |
3283 | return (bash_quote_filename (s, rtype, qcp)); | |
3284 | } | |
3285 | ||
3286 | static int | |
3287 | bash_glob_complete_word (count, key) | |
3288 | int count, key; | |
3289 | { | |
3290 | int r; | |
3291 | rl_quote_func_t *orig_quoting_function; | |
3292 | ||
b80f6443 JA |
3293 | if (rl_editing_mode == EMACS_EDITING_MODE) |
3294 | rl_explicit_arg = 1; /* force `*' append */ | |
7117c2d2 JA |
3295 | orig_quoting_function = rl_filename_quoting_function; |
3296 | rl_filename_quoting_function = bash_glob_quote_filename; | |
3297 | ||
3298 | r = bash_glob_completion_internal (rl_completion_mode (bash_glob_complete_word)); | |
3299 | ||
3300 | rl_filename_quoting_function = orig_quoting_function; | |
3301 | return r; | |
3302 | } | |
3303 | ||
28ef6c31 | 3304 | static int |
ccc6cda3 JA |
3305 | bash_glob_expand_word (count, key) |
3306 | int count, key; | |
3307 | { | |
28ef6c31 | 3308 | return bash_glob_completion_internal ('*'); |
ccc6cda3 JA |
3309 | } |
3310 | ||
28ef6c31 | 3311 | static int |
ccc6cda3 JA |
3312 | bash_glob_list_expansions (count, key) |
3313 | int count, key; | |
3314 | { | |
28ef6c31 | 3315 | return bash_glob_completion_internal ('?'); |
ccc6cda3 JA |
3316 | } |
3317 | ||
28ef6c31 | 3318 | static int |
726f6388 JA |
3319 | bash_specific_completion (what_to_do, generator) |
3320 | int what_to_do; | |
28ef6c31 | 3321 | rl_compentry_func_t *generator; |
726f6388 | 3322 | { |
28ef6c31 JA |
3323 | rl_compentry_func_t *orig_func; |
3324 | rl_completion_func_t *orig_attempt_func; | |
495aee44 | 3325 | rl_compignore_func_t *orig_ignore_func; |
28ef6c31 | 3326 | int r; |
726f6388 JA |
3327 | |
3328 | orig_func = rl_completion_entry_function; | |
3329 | orig_attempt_func = rl_attempted_completion_function; | |
495aee44 | 3330 | orig_ignore_func = rl_ignore_some_completions_function; |
726f6388 | 3331 | rl_completion_entry_function = generator; |
28ef6c31 | 3332 | rl_attempted_completion_function = NULL; |
495aee44 | 3333 | rl_ignore_some_completions_function = orig_ignore_func; |
726f6388 | 3334 | |
28ef6c31 | 3335 | r = rl_complete_internal (what_to_do); |
726f6388 JA |
3336 | |
3337 | rl_completion_entry_function = orig_func; | |
3338 | rl_attempted_completion_function = orig_attempt_func; | |
495aee44 | 3339 | rl_ignore_some_completions_function = orig_ignore_func; |
28ef6c31 JA |
3340 | |
3341 | return r; | |
726f6388 JA |
3342 | } |
3343 | ||
3344 | #endif /* SPECIFIC_COMPLETION_FUNCTIONS */ | |
ccc6cda3 | 3345 | |
b80f6443 JA |
3346 | #if defined (VI_MODE) |
3347 | /* Completion, from vi mode's point of view. This is a modified version of | |
3348 | rl_vi_complete which uses the bash globbing code to implement what POSIX | |
3349 | specifies, which is to append a `*' and attempt filename generation (which | |
3350 | has the side effect of expanding any globbing characters in the word). */ | |
3351 | static int | |
3352 | bash_vi_complete (count, key) | |
3353 | int count, key; | |
3354 | { | |
3355 | #if defined (SPECIFIC_COMPLETION_FUNCTIONS) | |
3356 | int p, r; | |
3357 | char *t; | |
3358 | ||
3359 | if ((rl_point < rl_end) && (!whitespace (rl_line_buffer[rl_point]))) | |
3360 | { | |
3361 | if (!whitespace (rl_line_buffer[rl_point + 1])) | |
3362 | rl_vi_end_word (1, 'E'); | |
3363 | rl_point++; | |
3364 | } | |
3365 | ||
3366 | /* Find boundaries of current word, according to vi definition of a | |
3367 | `bigword'. */ | |
3368 | t = 0; | |
3369 | if (rl_point > 0) | |
3370 | { | |
3371 | p = rl_point; | |
3372 | rl_vi_bWord (1, 'B'); | |
3373 | r = rl_point; | |
3374 | rl_point = p; | |
3375 | p = r; | |
3376 | ||
3377 | t = substring (rl_line_buffer, p, rl_point); | |
3378 | } | |
3379 | ||
3380 | if (t && glob_pattern_p (t) == 0) | |
3381 | rl_explicit_arg = 1; /* XXX - force glob_complete_word to append `*' */ | |
3382 | FREE (t); | |
3383 | ||
3384 | if (key == '*') /* Expansion and replacement. */ | |
3385 | r = bash_glob_expand_word (count, key); | |
3386 | else if (key == '=') /* List possible completions. */ | |
3387 | r = bash_glob_list_expansions (count, key); | |
3388 | else if (key == '\\') /* Standard completion */ | |
3389 | r = bash_glob_complete_word (count, key); | |
3390 | else | |
3391 | r = rl_complete (0, key); | |
3392 | ||
3393 | if (key == '*' || key == '\\') | |
3394 | rl_vi_start_inserting (key, 1, 1); | |
3395 | ||
3396 | return (r); | |
3397 | #else | |
3398 | return rl_vi_complete (count, key); | |
3399 | #endif /* !SPECIFIC_COMPLETION_FUNCTIONS */ | |
3400 | } | |
3401 | #endif /* VI_MODE */ | |
3402 | ||
ccc6cda3 | 3403 | /* Filename quoting for completion. */ |
bb70624e JA |
3404 | /* A function to strip unquoted quote characters (single quotes, double |
3405 | quotes, and backslashes). It allows single quotes to appear | |
3406 | within double quotes, and vice versa. It should be smarter. */ | |
ccc6cda3 JA |
3407 | static char * |
3408 | bash_dequote_filename (text, quote_char) | |
3409 | char *text; | |
28ef6c31 | 3410 | int quote_char; |
ccc6cda3 JA |
3411 | { |
3412 | char *ret, *p, *r; | |
3413 | int l, quoted; | |
3414 | ||
3415 | l = strlen (text); | |
f73dda09 | 3416 | ret = (char *)xmalloc (l + 1); |
ccc6cda3 JA |
3417 | for (quoted = quote_char, p = text, r = ret; p && *p; p++) |
3418 | { | |
3185942a | 3419 | /* Allow backslash-escaped characters to pass through unscathed. */ |
ccc6cda3 JA |
3420 | if (*p == '\\') |
3421 | { | |
3185942a JA |
3422 | /* Backslashes are preserved within single quotes. */ |
3423 | if (quoted == '\'') | |
3424 | *r++ = *p; | |
3425 | /* Backslashes are preserved within double quotes unless the | |
3426 | character is one that is defined to be escaped */ | |
3427 | else if (quoted == '"' && ((sh_syntaxtab[p[1]] & CBSDQUOTE) == 0)) | |
3428 | *r++ = *p; | |
3429 | ||
ccc6cda3 JA |
3430 | *r++ = *++p; |
3431 | if (*p == '\0') | |
0001803f | 3432 | return ret; /* XXX - was break; */ |
ccc6cda3 JA |
3433 | continue; |
3434 | } | |
3435 | /* Close quote. */ | |
3436 | if (quoted && *p == quoted) | |
28ef6c31 JA |
3437 | { |
3438 | quoted = 0; | |
3439 | continue; | |
3440 | } | |
ccc6cda3 JA |
3441 | /* Open quote. */ |
3442 | if (quoted == 0 && (*p == '\'' || *p == '"')) | |
28ef6c31 JA |
3443 | { |
3444 | quoted = *p; | |
3445 | continue; | |
3446 | } | |
ccc6cda3 JA |
3447 | *r++ = *p; |
3448 | } | |
3449 | *r = '\0'; | |
3450 | return ret; | |
3451 | } | |
3452 | ||
d166f048 JA |
3453 | /* Quote characters that the readline completion code would treat as |
3454 | word break characters with backslashes. Pass backslash-quoted | |
3455 | characters through without examination. */ | |
3456 | static char * | |
3457 | quote_word_break_chars (text) | |
3458 | char *text; | |
3459 | { | |
3460 | char *ret, *r, *s; | |
3461 | int l; | |
3462 | ||
3463 | l = strlen (text); | |
f73dda09 | 3464 | ret = (char *)xmalloc ((2 * l) + 1); |
d166f048 JA |
3465 | for (s = text, r = ret; *s; s++) |
3466 | { | |
3467 | /* Pass backslash-quoted characters through, including the backslash. */ | |
3468 | if (*s == '\\') | |
3469 | { | |
3470 | *r++ = '\\'; | |
3471 | *r++ = *++s; | |
3472 | if (*s == '\0') | |
3473 | break; | |
3474 | continue; | |
3475 | } | |
3476 | /* OK, we have an unquoted character. Check its presence in | |
3477 | rl_completer_word_break_characters. */ | |
0001803f | 3478 | if (mbschr (rl_completer_word_break_characters, *s)) |
28ef6c31 | 3479 | *r++ = '\\'; |
3185942a JA |
3480 | /* XXX -- check for standalone tildes here and backslash-quote them */ |
3481 | if (s == text && *s == '~' && file_exists (text)) | |
3482 | *r++ = '\\'; | |
d166f048 JA |
3483 | *r++ = *s; |
3484 | } | |
3485 | *r = '\0'; | |
3486 | return ret; | |
3487 | } | |
3488 | ||
3489 | /* Quote a filename using double quotes, single quotes, or backslashes | |
3490 | depending on the value of completion_quoting_style. If we're | |
3491 | completing using backslashes, we need to quote some additional | |
3492 | characters (those that readline treats as word breaks), so we call | |
7117c2d2 JA |
3493 | quote_word_break_chars on the result. This returns newly-allocated |
3494 | memory. */ | |
ccc6cda3 JA |
3495 | static char * |
3496 | bash_quote_filename (s, rtype, qcp) | |
3497 | char *s; | |
3498 | int rtype; | |
3499 | char *qcp; | |
3500 | { | |
3501 | char *rtext, *mtext, *ret; | |
3502 | int rlen, cs; | |
3503 | ||
3504 | rtext = (char *)NULL; | |
3505 | ||
3506 | /* If RTYPE == MULT_MATCH, it means that there is | |
3507 | more than one match. In this case, we do not add | |
3508 | the closing quote or attempt to perform tilde | |
3509 | expansion. If RTYPE == SINGLE_MATCH, we try | |
3510 | to perform tilde expansion, because single and double | |
3511 | quotes inhibit tilde expansion by the shell. */ | |
3512 | ||
ccc6cda3 JA |
3513 | cs = completion_quoting_style; |
3514 | /* Might need to modify the default completion style based on *qcp, | |
bb70624e JA |
3515 | since it's set to any user-provided opening quote. We also change |
3516 | to single-quoting if there is no user-provided opening quote and | |
3517 | the word being completed contains newlines, since those are not | |
3518 | quoted correctly using backslashes (a backslash-newline pair is | |
3519 | special to the shell parser). */ | |
0001803f | 3520 | if (*qcp == '\0' && cs == COMPLETE_BSQUOTE && mbschr (s, '\n')) |
bb70624e JA |
3521 | cs = COMPLETE_SQUOTE; |
3522 | else if (*qcp == '"') | |
ccc6cda3 JA |
3523 | cs = COMPLETE_DQUOTE; |
3524 | else if (*qcp == '\'') | |
3525 | cs = COMPLETE_SQUOTE; | |
3526 | #if defined (BANG_HISTORY) | |
3527 | else if (*qcp == '\0' && history_expansion && cs == COMPLETE_DQUOTE && | |
0001803f | 3528 | history_expansion_inhibited == 0 && mbschr (s, '!')) |
ccc6cda3 | 3529 | cs = COMPLETE_BSQUOTE; |
d166f048 JA |
3530 | |
3531 | if (*qcp == '"' && history_expansion && cs == COMPLETE_DQUOTE && | |
0001803f | 3532 | history_expansion_inhibited == 0 && mbschr (s, '!')) |
d166f048 JA |
3533 | { |
3534 | cs = COMPLETE_BSQUOTE; | |
3535 | *qcp = '\0'; | |
3536 | } | |
ccc6cda3 JA |
3537 | #endif |
3538 | ||
95732b49 JA |
3539 | /* Don't tilde-expand backslash-quoted filenames, since only single and |
3540 | double quotes inhibit tilde expansion. */ | |
3541 | mtext = s; | |
3542 | if (mtext[0] == '~' && rtype == SINGLE_MATCH && cs != COMPLETE_BSQUOTE) | |
3543 | mtext = bash_tilde_expand (s, 0); | |
3544 | ||
ccc6cda3 JA |
3545 | switch (cs) |
3546 | { | |
3547 | case COMPLETE_DQUOTE: | |
28ef6c31 | 3548 | rtext = sh_double_quote (mtext); |
ccc6cda3 JA |
3549 | break; |
3550 | case COMPLETE_SQUOTE: | |
28ef6c31 | 3551 | rtext = sh_single_quote (mtext); |
ccc6cda3 JA |
3552 | break; |
3553 | case COMPLETE_BSQUOTE: | |
28ef6c31 | 3554 | rtext = sh_backslash_quote (mtext); |
ccc6cda3 JA |
3555 | break; |
3556 | } | |
3557 | ||
3558 | if (mtext != s) | |
3559 | free (mtext); | |
3560 | ||
d166f048 JA |
3561 | /* We may need to quote additional characters: those that readline treats |
3562 | as word breaks that are not quoted by backslash_quote. */ | |
3563 | if (rtext && cs == COMPLETE_BSQUOTE) | |
3564 | { | |
3565 | mtext = quote_word_break_chars (rtext); | |
3566 | free (rtext); | |
3567 | rtext = mtext; | |
3568 | } | |
3569 | ||
ccc6cda3 JA |
3570 | /* Leave the opening quote intact. The readline completion code takes |
3571 | care of avoiding doubled opening quotes. */ | |
3572 | rlen = strlen (rtext); | |
f73dda09 | 3573 | ret = (char *)xmalloc (rlen + 1); |
ccc6cda3 JA |
3574 | strcpy (ret, rtext); |
3575 | ||
3576 | /* If there are multiple matches, cut off the closing quote. */ | |
3577 | if (rtype == MULT_MATCH && cs != COMPLETE_BSQUOTE) | |
3578 | ret[rlen - 1] = '\0'; | |
3579 | free (rtext); | |
3580 | return ret; | |
3581 | } | |
3582 | ||
bb70624e JA |
3583 | /* Support for binding readline key sequences to Unix commands. */ |
3584 | static Keymap cmd_xmap; | |
3585 | ||
0001803f CR |
3586 | static int |
3587 | putx(c) | |
3588 | int c; | |
3589 | { | |
495aee44 CR |
3590 | int x; |
3591 | ||
3592 | x = putc (c, rl_outstream); | |
3593 | return (x); | |
0001803f CR |
3594 | } |
3595 | ||
bb70624e JA |
3596 | static int |
3597 | bash_execute_unix_command (count, key) | |
3598 | int count; /* ignored */ | |
3599 | int key; | |
3600 | { | |
3601 | Keymap ckmap; /* current keymap */ | |
3602 | Keymap xkmap; /* unix command executing keymap */ | |
0001803f | 3603 | register int i, r; |
3185942a | 3604 | intmax_t mi; |
b80f6443 | 3605 | sh_parser_state_t ps; |
0001803f | 3606 | char *cmd, *value, *l, *l1, *ce; |
3185942a JA |
3607 | SHELL_VAR *v; |
3608 | char ibuf[INT_STRLEN_BOUND(int) + 1]; | |
bb70624e JA |
3609 | |
3610 | /* First, we need to find the right command to execute. This is tricky, | |
3611 | because we might have already indirected into another keymap. */ | |
3612 | ckmap = rl_get_keymap (); | |
3613 | if (ckmap != rl_executing_keymap) | |
3614 | { | |
3615 | /* bogus. we have to search. only handle one level of indirection. */ | |
3616 | for (i = 0; i < KEYMAP_SIZE; i++) | |
3617 | { | |
3618 | if (ckmap[i].type == ISKMAP && (Keymap)ckmap[i].function == rl_executing_keymap) | |
3619 | break; | |
3620 | } | |
3621 | if (i < KEYMAP_SIZE) | |
28ef6c31 | 3622 | xkmap = (Keymap)cmd_xmap[i].function; |
bb70624e JA |
3623 | else |
3624 | { | |
28ef6c31 | 3625 | rl_crlf (); |
b80f6443 | 3626 | internal_error (_("bash_execute_unix_command: cannot find keymap for command")); |
28ef6c31 JA |
3627 | rl_forced_update_display (); |
3628 | return 1; | |
bb70624e JA |
3629 | } |
3630 | } | |
3631 | else | |
3632 | xkmap = cmd_xmap; | |
3633 | ||
3634 | cmd = (char *)xkmap[key].function; | |
3635 | ||
3636 | if (cmd == 0) | |
3637 | { | |
28ef6c31 | 3638 | rl_ding (); |
bb70624e JA |
3639 | return 1; |
3640 | } | |
3641 | ||
0001803f CR |
3642 | ce = rl_get_termcap ("ce"); |
3643 | if (ce) /* clear current line */ | |
3644 | { | |
3645 | fprintf (rl_outstream, "\r"); | |
3646 | tputs (ce, 1, putx); | |
3647 | fflush (rl_outstream); | |
3648 | } | |
3649 | else | |
3650 | rl_crlf (); /* move to a new line */ | |
bb70624e | 3651 | |
3185942a JA |
3652 | v = bind_variable ("READLINE_LINE", rl_line_buffer, 0); |
3653 | if (v) | |
3654 | VSETATTR (v, att_exported); | |
0001803f | 3655 | l = v ? value_cell (v) : 0; |
3185942a JA |
3656 | value = inttostr (rl_point, ibuf, sizeof (ibuf)); |
3657 | v = bind_int_variable ("READLINE_POINT", value); | |
3658 | if (v) | |
3659 | VSETATTR (v, att_exported); | |
3660 | array_needs_making = 1; | |
3661 | ||
b80f6443 | 3662 | save_parser_state (&ps); |
0001803f | 3663 | r = parse_and_execute (cmd, "bash_execute_unix_command", SEVAL_NOHIST|SEVAL_NOFREE); |
3185942a | 3664 | restore_parser_state (&ps); |
7117c2d2 | 3665 | |
3185942a | 3666 | v = find_variable ("READLINE_LINE"); |
0001803f CR |
3667 | l1 = v ? value_cell (v) : 0; |
3668 | if (l1 != l) | |
3185942a JA |
3669 | maybe_make_readline_line (value_cell (v)); |
3670 | v = find_variable ("READLINE_POINT"); | |
3671 | if (v && legal_number (value_cell (v), &mi)) | |
3672 | { | |
3673 | i = mi; | |
89a92869 | 3674 | if (i != rl_point) |
3185942a JA |
3675 | { |
3676 | rl_point = i; | |
3677 | if (rl_point > rl_end) | |
3678 | rl_point = rl_end; | |
3679 | else if (rl_point < 0) | |
3680 | rl_point = 0; | |
3681 | } | |
3682 | } | |
7117c2d2 | 3683 | |
3185942a JA |
3684 | unbind_variable ("READLINE_LINE"); |
3685 | unbind_variable ("READLINE_POINT"); | |
3686 | array_needs_making = 1; | |
bb70624e JA |
3687 | |
3688 | /* and restore the readline buffer and display after command execution. */ | |
3689 | rl_forced_update_display (); | |
3690 | return 0; | |
3691 | } | |
3692 | ||
3693 | static void | |
3694 | init_unix_command_map () | |
3695 | { | |
3696 | cmd_xmap = rl_make_bare_keymap (); | |
3697 | } | |
3698 | ||
3699 | static int | |
3700 | isolate_sequence (string, ind, need_dquote, startp) | |
3701 | char *string; | |
3702 | int ind, need_dquote, *startp; | |
3703 | { | |
3704 | register int i; | |
3705 | int c, passc, delim; | |
3706 | ||
3707 | for (i = ind; string[i] && whitespace (string[i]); i++) | |
3708 | ; | |
3709 | /* NEED_DQUOTE means that the first non-white character *must* be `"'. */ | |
3710 | if (need_dquote && string[i] != '"') | |
3711 | { | |
b80f6443 | 3712 | builtin_error (_("%s: first non-whitespace character is not `\"'"), string); |
bb70624e JA |
3713 | return -1; |
3714 | } | |
3715 | ||
3716 | /* We can have delimited strings even if NEED_DQUOTE == 0, like the command | |
3717 | string to bind the key sequence to. */ | |
3718 | delim = (string[i] == '"' || string[i] == '\'') ? string[i] : 0; | |
3719 | ||
3720 | if (startp) | |
3721 | *startp = delim ? ++i : i; | |
3722 | ||
3723 | for (passc = 0; c = string[i]; i++) | |
3724 | { | |
3725 | if (passc) | |
3726 | { | |
3727 | passc = 0; | |
3728 | continue; | |
3729 | } | |
3730 | if (c == '\\') | |
3731 | { | |
3732 | passc++; | |
3733 | continue; | |
3734 | } | |
3735 | if (c == delim) | |
28ef6c31 | 3736 | break; |
bb70624e JA |
3737 | } |
3738 | ||
3739 | if (delim && string[i] != delim) | |
3740 | { | |
b80f6443 | 3741 | builtin_error (_("no closing `%c' in %s"), delim, string); |
bb70624e JA |
3742 | return -1; |
3743 | } | |
3744 | ||
3745 | return i; | |
3746 | } | |
3747 | ||
3748 | int | |
3749 | bind_keyseq_to_unix_command (line) | |
3750 | char *line; | |
3751 | { | |
3752 | Keymap kmap; | |
3753 | char *kseq, *value; | |
f73dda09 | 3754 | int i, kstart; |
bb70624e JA |
3755 | |
3756 | if (cmd_xmap == 0) | |
3757 | init_unix_command_map (); | |
3758 | ||
3759 | kmap = rl_get_keymap (); | |
3760 | ||
3761 | /* We duplicate some of the work done by rl_parse_and_bind here, but | |
3762 | this code only has to handle `"keyseq": ["]command["]' and can | |
3763 | generate an error for anything else. */ | |
3764 | i = isolate_sequence (line, 0, 1, &kstart); | |
3765 | if (i < 0) | |
3766 | return -1; | |
3767 | ||
3768 | /* Create the key sequence string to pass to rl_generic_bind */ | |
3769 | kseq = substring (line, kstart, i); | |
3770 | ||
3771 | for ( ; line[i] && line[i] != ':'; i++) | |
3772 | ; | |
3773 | if (line[i] != ':') | |
3774 | { | |
b80f6443 | 3775 | builtin_error (_("%s: missing colon separator"), line); |
bb70624e JA |
3776 | return -1; |
3777 | } | |
3778 | ||
3779 | i = isolate_sequence (line, i + 1, 0, &kstart); | |
3780 | if (i < 0) | |
3781 | return -1; | |
3782 | ||
3783 | /* Create the value string containing the command to execute. */ | |
3784 | value = substring (line, kstart, i); | |
3785 | ||
3786 | /* Save the command to execute and the key sequence in the CMD_XMAP */ | |
3787 | rl_generic_bind (ISMACR, kseq, value, cmd_xmap); | |
3788 | ||
3789 | /* and bind the key sequence in the current keymap to a function that | |
3790 | understands how to execute from CMD_XMAP */ | |
b80f6443 | 3791 | rl_bind_keyseq_in_map (kseq, bash_execute_unix_command, kmap); |
bb70624e JA |
3792 | |
3793 | return 0; | |
3794 | } | |
3795 | ||
3796 | /* Used by the programmable completion code. Complete TEXT as a filename, | |
3797 | but return only directories as matches. Dequotes the filename before | |
3798 | attempting to find matches. */ | |
3799 | char ** | |
3800 | bash_directory_completion_matches (text) | |
28ef6c31 | 3801 | const char *text; |
bb70624e JA |
3802 | { |
3803 | char **m1; | |
3804 | char *dfn; | |
3805 | int qc; | |
3806 | ||
b80f6443 | 3807 | qc = rl_dispatching ? rl_completion_quote_character : 0; |
28ef6c31 JA |
3808 | dfn = bash_dequote_filename ((char *)text, qc); |
3809 | m1 = rl_completion_matches (dfn, rl_filename_completion_function); | |
bb70624e JA |
3810 | free (dfn); |
3811 | ||
3812 | if (m1 == 0 || m1[0] == 0) | |
3813 | return m1; | |
3814 | /* We don't bother recomputing the lcd of the matches, because it will just | |
3815 | get thrown away by the programmable completion code and recomputed | |
3816 | later. */ | |
3817 | (void)bash_ignore_filenames (m1); | |
3818 | return m1; | |
3819 | } | |
b80f6443 JA |
3820 | |
3821 | char * | |
3822 | bash_dequote_text (text) | |
3823 | const char *text; | |
3824 | { | |
3825 | char *dtxt; | |
3826 | int qc; | |
3827 | ||
3828 | qc = (text[0] == '"' || text[0] == '\'') ? text[0] : 0; | |
3829 | dtxt = bash_dequote_filename ((char *)text, qc); | |
3830 | return (dtxt); | |
3831 | } | |
ccc6cda3 | 3832 | #endif /* READLINE */ |