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Commit | Line | Data |
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d60d9f65 SS |
1 | /* bind.c -- key binding and startup file support for the readline library. */ |
2 | ||
775e241e | 3 | /* Copyright (C) 1987-2016 Free Software Foundation, Inc. |
d60d9f65 | 4 | |
cc88a640 JK |
5 | This file is part of the GNU Readline Library (Readline), a library |
6 | for reading lines of text with interactive input and history editing. | |
d60d9f65 | 7 | |
cc88a640 JK |
8 | Readline is free software: you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation, either version 3 of the License, or | |
d60d9f65 SS |
11 | (at your option) any later version. |
12 | ||
cc88a640 JK |
13 | Readline is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
d60d9f65 SS |
16 | GNU General Public License for more details. |
17 | ||
cc88a640 JK |
18 | You should have received a copy of the GNU General Public License |
19 | along with Readline. If not, see <http://www.gnu.org/licenses/>. | |
20 | */ | |
5bdf8622 | 21 | |
d60d9f65 SS |
22 | #define READLINE_LIBRARY |
23 | ||
5bdf8622 DJ |
24 | #if defined (__TANDEM) |
25 | # include <floss.h> | |
26 | #endif | |
27 | ||
d60d9f65 SS |
28 | #if defined (HAVE_CONFIG_H) |
29 | # include <config.h> | |
30 | #endif | |
31 | ||
32 | #include <stdio.h> | |
33 | #include <sys/types.h> | |
34 | #include <fcntl.h> | |
35 | #if defined (HAVE_SYS_FILE_H) | |
36 | # include <sys/file.h> | |
37 | #endif /* HAVE_SYS_FILE_H */ | |
38 | ||
39 | #if defined (HAVE_UNISTD_H) | |
40 | # include <unistd.h> | |
41 | #endif /* HAVE_UNISTD_H */ | |
42 | ||
43 | #if defined (HAVE_STDLIB_H) | |
44 | # include <stdlib.h> | |
45 | #else | |
46 | # include "ansi_stdlib.h" | |
47 | #endif /* HAVE_STDLIB_H */ | |
48 | ||
d60d9f65 SS |
49 | #include <errno.h> |
50 | ||
51 | #if !defined (errno) | |
52 | extern int errno; | |
53 | #endif /* !errno */ | |
54 | ||
55 | #include "posixstat.h" | |
56 | ||
57 | /* System-specific feature definitions and include files. */ | |
58 | #include "rldefs.h" | |
59 | ||
60 | /* Some standard library routines. */ | |
61 | #include "readline.h" | |
62 | #include "history.h" | |
63 | ||
1b17e766 EZ |
64 | #include "rlprivate.h" |
65 | #include "rlshell.h" | |
66 | #include "xmalloc.h" | |
67 | ||
d60d9f65 SS |
68 | #if !defined (strchr) && !defined (__STDC__) |
69 | extern char *strchr (), *strrchr (); | |
70 | #endif /* !strchr && !__STDC__ */ | |
71 | ||
d60d9f65 SS |
72 | /* Variables exported by this file. */ |
73 | Keymap rl_binding_keymap; | |
74 | ||
775e241e TT |
75 | static int _rl_skip_to_delim PARAMS((char *, int, int)); |
76 | ||
77 | #if defined (USE_VARARGS) && defined (PREFER_STDARG) | |
78 | static void _rl_init_file_error (const char *, ...) __attribute__((__format__ (printf, 1, 2))); | |
79 | #else | |
80 | static void _rl_init_file_error (); | |
81 | #endif | |
82 | ||
9255ee31 | 83 | static char *_rl_read_file PARAMS((char *, size_t *)); |
9255ee31 EZ |
84 | static int _rl_read_init_file PARAMS((const char *, int)); |
85 | static int glean_key_from_name PARAMS((char *)); | |
775e241e | 86 | |
5bdf8622 | 87 | static int find_boolean_var PARAMS((const char *)); |
775e241e | 88 | static int find_string_var PARAMS((const char *)); |
5bdf8622 DJ |
89 | |
90 | static char *_rl_get_string_variable_value PARAMS((const char *)); | |
cc88a640 | 91 | static int substring_member_of_array PARAMS((const char *, const char * const *)); |
d60d9f65 | 92 | |
1b17e766 | 93 | static int currently_reading_init_file; |
d60d9f65 | 94 | |
1b17e766 EZ |
95 | /* used only in this file */ |
96 | static int _rl_prefer_visible_bell = 1; | |
d60d9f65 SS |
97 | |
98 | /* **************************************************************** */ | |
99 | /* */ | |
100 | /* Binding keys */ | |
101 | /* */ | |
102 | /* **************************************************************** */ | |
103 | ||
9255ee31 | 104 | /* rl_add_defun (char *name, rl_command_func_t *function, int key) |
d60d9f65 SS |
105 | Add NAME to the list of named functions. Make FUNCTION be the function |
106 | that gets called. If KEY is not -1, then bind it. */ | |
107 | int | |
108 | rl_add_defun (name, function, key) | |
9255ee31 EZ |
109 | const char *name; |
110 | rl_command_func_t *function; | |
d60d9f65 SS |
111 | int key; |
112 | { | |
113 | if (key != -1) | |
114 | rl_bind_key (key, function); | |
115 | rl_add_funmap_entry (name, function); | |
116 | return 0; | |
117 | } | |
118 | ||
119 | /* Bind KEY to FUNCTION. Returns non-zero if KEY is out of range. */ | |
120 | int | |
121 | rl_bind_key (key, function) | |
122 | int key; | |
9255ee31 | 123 | rl_command_func_t *function; |
d60d9f65 | 124 | { |
775e241e TT |
125 | char keyseq[3]; |
126 | int l; | |
127 | ||
d60d9f65 SS |
128 | if (key < 0) |
129 | return (key); | |
130 | ||
131 | if (META_CHAR (key) && _rl_convert_meta_chars_to_ascii) | |
132 | { | |
133 | if (_rl_keymap[ESC].type == ISKMAP) | |
134 | { | |
135 | Keymap escmap; | |
136 | ||
137 | escmap = FUNCTION_TO_KEYMAP (_rl_keymap, ESC); | |
138 | key = UNMETA (key); | |
139 | escmap[key].type = ISFUNC; | |
140 | escmap[key].function = function; | |
141 | return (0); | |
142 | } | |
143 | return (key); | |
144 | } | |
145 | ||
775e241e TT |
146 | /* If it's bound to a function or macro, just overwrite. Otherwise we have |
147 | to treat it as a key sequence so rl_generic_bind handles shadow keymaps | |
148 | for us. If we are binding '\' make sure to escape it so it makes it | |
149 | through the call to rl_translate_keyseq. */ | |
150 | if (_rl_keymap[key].type != ISKMAP) | |
151 | { | |
152 | _rl_keymap[key].type = ISFUNC; | |
153 | _rl_keymap[key].function = function; | |
154 | } | |
155 | else | |
156 | { | |
157 | l = 0; | |
158 | if (key == '\\') | |
159 | keyseq[l++] = '\\'; | |
160 | keyseq[l++] = key; | |
161 | keyseq[l] = '\0'; | |
162 | rl_bind_keyseq (keyseq, function); | |
163 | } | |
d60d9f65 SS |
164 | rl_binding_keymap = _rl_keymap; |
165 | return (0); | |
166 | } | |
167 | ||
168 | /* Bind KEY to FUNCTION in MAP. Returns non-zero in case of invalid | |
169 | KEY. */ | |
170 | int | |
171 | rl_bind_key_in_map (key, function, map) | |
172 | int key; | |
9255ee31 | 173 | rl_command_func_t *function; |
d60d9f65 SS |
174 | Keymap map; |
175 | { | |
176 | int result; | |
177 | Keymap oldmap; | |
178 | ||
179 | oldmap = _rl_keymap; | |
180 | _rl_keymap = map; | |
181 | result = rl_bind_key (key, function); | |
182 | _rl_keymap = oldmap; | |
183 | return (result); | |
184 | } | |
185 | ||
5bdf8622 DJ |
186 | /* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound. Right |
187 | now, this is always used to attempt to bind the arrow keys, hence the | |
188 | check for rl_vi_movement_mode. */ | |
189 | int | |
190 | rl_bind_key_if_unbound_in_map (key, default_func, kmap) | |
191 | int key; | |
192 | rl_command_func_t *default_func; | |
193 | Keymap kmap; | |
194 | { | |
195 | char keyseq[2]; | |
196 | ||
197 | keyseq[0] = (unsigned char)key; | |
198 | keyseq[1] = '\0'; | |
199 | return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, kmap)); | |
200 | } | |
201 | ||
202 | int | |
203 | rl_bind_key_if_unbound (key, default_func) | |
204 | int key; | |
205 | rl_command_func_t *default_func; | |
206 | { | |
207 | char keyseq[2]; | |
208 | ||
209 | keyseq[0] = (unsigned char)key; | |
210 | keyseq[1] = '\0'; | |
211 | return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, _rl_keymap)); | |
212 | } | |
213 | ||
d60d9f65 SS |
214 | /* Make KEY do nothing in the currently selected keymap. |
215 | Returns non-zero in case of error. */ | |
216 | int | |
217 | rl_unbind_key (key) | |
218 | int key; | |
219 | { | |
9255ee31 | 220 | return (rl_bind_key (key, (rl_command_func_t *)NULL)); |
d60d9f65 SS |
221 | } |
222 | ||
223 | /* Make KEY do nothing in MAP. | |
224 | Returns non-zero in case of error. */ | |
225 | int | |
226 | rl_unbind_key_in_map (key, map) | |
227 | int key; | |
228 | Keymap map; | |
229 | { | |
9255ee31 | 230 | return (rl_bind_key_in_map (key, (rl_command_func_t *)NULL, map)); |
d60d9f65 SS |
231 | } |
232 | ||
233 | /* Unbind all keys bound to FUNCTION in MAP. */ | |
234 | int | |
235 | rl_unbind_function_in_map (func, map) | |
9255ee31 | 236 | rl_command_func_t *func; |
d60d9f65 SS |
237 | Keymap map; |
238 | { | |
c862e87b | 239 | register int i, rval; |
d60d9f65 | 240 | |
c862e87b | 241 | for (i = rval = 0; i < KEYMAP_SIZE; i++) |
d60d9f65 SS |
242 | { |
243 | if (map[i].type == ISFUNC && map[i].function == func) | |
c862e87b | 244 | { |
9255ee31 | 245 | map[i].function = (rl_command_func_t *)NULL; |
c862e87b JM |
246 | rval = 1; |
247 | } | |
d60d9f65 | 248 | } |
c862e87b | 249 | return rval; |
d60d9f65 SS |
250 | } |
251 | ||
252 | int | |
253 | rl_unbind_command_in_map (command, map) | |
9255ee31 | 254 | const char *command; |
d60d9f65 SS |
255 | Keymap map; |
256 | { | |
9255ee31 | 257 | rl_command_func_t *func; |
d60d9f65 SS |
258 | |
259 | func = rl_named_function (command); | |
260 | if (func == 0) | |
261 | return 0; | |
262 | return (rl_unbind_function_in_map (func, map)); | |
263 | } | |
264 | ||
5bdf8622 DJ |
265 | /* Bind the key sequence represented by the string KEYSEQ to |
266 | FUNCTION, starting in the current keymap. This makes new | |
267 | keymaps as necessary. */ | |
268 | int | |
269 | rl_bind_keyseq (keyseq, function) | |
270 | const char *keyseq; | |
271 | rl_command_func_t *function; | |
272 | { | |
273 | return (rl_generic_bind (ISFUNC, keyseq, (char *)function, _rl_keymap)); | |
274 | } | |
275 | ||
d60d9f65 SS |
276 | /* Bind the key sequence represented by the string KEYSEQ to |
277 | FUNCTION. This makes new keymaps as necessary. The initial | |
278 | place to do bindings is in MAP. */ | |
279 | int | |
5bdf8622 DJ |
280 | rl_bind_keyseq_in_map (keyseq, function, map) |
281 | const char *keyseq; | |
282 | rl_command_func_t *function; | |
283 | Keymap map; | |
284 | { | |
285 | return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map)); | |
286 | } | |
287 | ||
288 | /* Backwards compatibility; equivalent to rl_bind_keyseq_in_map() */ | |
289 | int | |
d60d9f65 | 290 | rl_set_key (keyseq, function, map) |
9255ee31 EZ |
291 | const char *keyseq; |
292 | rl_command_func_t *function; | |
d60d9f65 SS |
293 | Keymap map; |
294 | { | |
295 | return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map)); | |
296 | } | |
297 | ||
5bdf8622 DJ |
298 | /* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound. Right |
299 | now, this is always used to attempt to bind the arrow keys, hence the | |
300 | check for rl_vi_movement_mode. */ | |
301 | int | |
302 | rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, kmap) | |
303 | const char *keyseq; | |
304 | rl_command_func_t *default_func; | |
305 | Keymap kmap; | |
306 | { | |
307 | rl_command_func_t *func; | |
308 | ||
309 | if (keyseq) | |
310 | { | |
311 | func = rl_function_of_keyseq (keyseq, kmap, (int *)NULL); | |
312 | #if defined (VI_MODE) | |
313 | if (!func || func == rl_do_lowercase_version || func == rl_vi_movement_mode) | |
314 | #else | |
315 | if (!func || func == rl_do_lowercase_version) | |
316 | #endif | |
317 | return (rl_bind_keyseq_in_map (keyseq, default_func, kmap)); | |
318 | else | |
319 | return 1; | |
320 | } | |
321 | return 0; | |
322 | } | |
323 | ||
324 | int | |
325 | rl_bind_keyseq_if_unbound (keyseq, default_func) | |
326 | const char *keyseq; | |
327 | rl_command_func_t *default_func; | |
328 | { | |
329 | return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, _rl_keymap)); | |
330 | } | |
331 | ||
d60d9f65 SS |
332 | /* Bind the key sequence represented by the string KEYSEQ to |
333 | the string of characters MACRO. This makes new keymaps as | |
334 | necessary. The initial place to do bindings is in MAP. */ | |
335 | int | |
336 | rl_macro_bind (keyseq, macro, map) | |
9255ee31 | 337 | const char *keyseq, *macro; |
d60d9f65 SS |
338 | Keymap map; |
339 | { | |
340 | char *macro_keys; | |
341 | int macro_keys_len; | |
342 | ||
343 | macro_keys = (char *)xmalloc ((2 * strlen (macro)) + 1); | |
344 | ||
345 | if (rl_translate_keyseq (macro, macro_keys, ¯o_keys_len)) | |
346 | { | |
cc88a640 | 347 | xfree (macro_keys); |
d60d9f65 SS |
348 | return -1; |
349 | } | |
350 | rl_generic_bind (ISMACR, keyseq, macro_keys, map); | |
351 | return 0; | |
352 | } | |
353 | ||
354 | /* Bind the key sequence represented by the string KEYSEQ to | |
355 | the arbitrary pointer DATA. TYPE says what kind of data is | |
356 | pointed to by DATA, right now this can be a function (ISFUNC), | |
357 | a macro (ISMACR), or a keymap (ISKMAP). This makes new keymaps | |
358 | as necessary. The initial place to do bindings is in MAP. */ | |
359 | int | |
360 | rl_generic_bind (type, keyseq, data, map) | |
361 | int type; | |
9255ee31 EZ |
362 | const char *keyseq; |
363 | char *data; | |
d60d9f65 SS |
364 | Keymap map; |
365 | { | |
366 | char *keys; | |
367 | int keys_len; | |
368 | register int i; | |
9255ee31 EZ |
369 | KEYMAP_ENTRY k; |
370 | ||
371 | k.function = 0; | |
d60d9f65 SS |
372 | |
373 | /* If no keys to bind to, exit right away. */ | |
5bdf8622 | 374 | if (keyseq == 0 || *keyseq == 0) |
d60d9f65 SS |
375 | { |
376 | if (type == ISMACR) | |
cc88a640 | 377 | xfree (data); |
d60d9f65 SS |
378 | return -1; |
379 | } | |
380 | ||
9255ee31 | 381 | keys = (char *)xmalloc (1 + (2 * strlen (keyseq))); |
d60d9f65 SS |
382 | |
383 | /* Translate the ASCII representation of KEYSEQ into an array of | |
384 | characters. Stuff the characters into KEYS, and the length of | |
385 | KEYS into KEYS_LEN. */ | |
386 | if (rl_translate_keyseq (keyseq, keys, &keys_len)) | |
387 | { | |
cc88a640 | 388 | xfree (keys); |
d60d9f65 SS |
389 | return -1; |
390 | } | |
391 | ||
392 | /* Bind keys, making new keymaps as necessary. */ | |
393 | for (i = 0; i < keys_len; i++) | |
394 | { | |
9255ee31 EZ |
395 | unsigned char uc = keys[i]; |
396 | int ic; | |
397 | ||
398 | ic = uc; | |
399 | if (ic < 0 || ic >= KEYMAP_SIZE) | |
cc88a640 JK |
400 | { |
401 | xfree (keys); | |
402 | return -1; | |
403 | } | |
d60d9f65 | 404 | |
5bdf8622 | 405 | if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii) |
d60d9f65 SS |
406 | { |
407 | ic = UNMETA (ic); | |
408 | if (map[ESC].type == ISKMAP) | |
409 | map = FUNCTION_TO_KEYMAP (map, ESC); | |
410 | } | |
411 | ||
412 | if ((i + 1) < keys_len) | |
413 | { | |
414 | if (map[ic].type != ISKMAP) | |
415 | { | |
9255ee31 EZ |
416 | /* We allow subsequences of keys. If a keymap is being |
417 | created that will `shadow' an existing function or macro | |
418 | key binding, we save that keybinding into the ANYOTHERKEY | |
419 | index in the new map. The dispatch code will look there | |
420 | to find the function to execute if the subsequence is not | |
421 | matched. ANYOTHERKEY was chosen to be greater than | |
422 | UCHAR_MAX. */ | |
423 | k = map[ic]; | |
d60d9f65 SS |
424 | |
425 | map[ic].type = ISKMAP; | |
426 | map[ic].function = KEYMAP_TO_FUNCTION (rl_make_bare_keymap()); | |
427 | } | |
428 | map = FUNCTION_TO_KEYMAP (map, ic); | |
9255ee31 EZ |
429 | /* The dispatch code will return this function if no matching |
430 | key sequence is found in the keymap. This (with a little | |
431 | help from the dispatch code in readline.c) allows `a' to be | |
432 | mapped to something, `abc' to be mapped to something else, | |
433 | and the function bound to `a' to be executed when the user | |
434 | types `abx', leaving `bx' in the input queue. */ | |
5af408ce | 435 | if (k.function && ((k.type == ISFUNC && k.function != rl_do_lowercase_version) || k.type == ISMACR)) |
9255ee31 EZ |
436 | { |
437 | map[ANYOTHERKEY] = k; | |
438 | k.function = 0; | |
439 | } | |
d60d9f65 SS |
440 | } |
441 | else | |
442 | { | |
443 | if (map[ic].type == ISMACR) | |
cc88a640 | 444 | xfree ((char *)map[ic].function); |
9255ee31 EZ |
445 | else if (map[ic].type == ISKMAP) |
446 | { | |
447 | map = FUNCTION_TO_KEYMAP (map, ic); | |
448 | ic = ANYOTHERKEY; | |
cc88a640 JK |
449 | /* If we're trying to override a keymap with a null function |
450 | (e.g., trying to unbind it), we can't use a null pointer | |
451 | here because that's indistinguishable from having not been | |
452 | overridden. We use a special bindable function that does | |
453 | nothing. */ | |
454 | if (type == ISFUNC && data == 0) | |
455 | data = (char *)_rl_null_function; | |
9255ee31 | 456 | } |
d60d9f65 SS |
457 | |
458 | map[ic].function = KEYMAP_TO_FUNCTION (data); | |
459 | map[ic].type = type; | |
460 | } | |
461 | ||
462 | rl_binding_keymap = map; | |
463 | } | |
cc88a640 | 464 | xfree (keys); |
d60d9f65 SS |
465 | return 0; |
466 | } | |
467 | ||
468 | /* Translate the ASCII representation of SEQ, stuffing the values into ARRAY, | |
469 | an array of characters. LEN gets the final length of ARRAY. Return | |
470 | non-zero if there was an error parsing SEQ. */ | |
471 | int | |
472 | rl_translate_keyseq (seq, array, len) | |
9255ee31 EZ |
473 | const char *seq; |
474 | char *array; | |
d60d9f65 SS |
475 | int *len; |
476 | { | |
477 | register int i, c, l, temp; | |
478 | ||
479 | for (i = l = 0; c = seq[i]; i++) | |
480 | { | |
481 | if (c == '\\') | |
482 | { | |
483 | c = seq[++i]; | |
484 | ||
485 | if (c == 0) | |
486 | break; | |
487 | ||
488 | /* Handle \C- and \M- prefixes. */ | |
489 | if ((c == 'C' || c == 'M') && seq[i + 1] == '-') | |
490 | { | |
491 | /* Handle special case of backwards define. */ | |
492 | if (strncmp (&seq[i], "C-\\M-", 5) == 0) | |
493 | { | |
9255ee31 | 494 | array[l++] = ESC; /* ESC is meta-prefix */ |
d60d9f65 SS |
495 | i += 5; |
496 | array[l++] = CTRL (_rl_to_upper (seq[i])); | |
497 | if (seq[i] == '\0') | |
498 | i--; | |
499 | } | |
500 | else if (c == 'M') | |
501 | { | |
cc88a640 JK |
502 | i++; /* seq[i] == '-' */ |
503 | /* XXX - obey convert-meta setting */ | |
5bdf8622 DJ |
504 | if (_rl_convert_meta_chars_to_ascii && _rl_keymap[ESC].type == ISKMAP) |
505 | array[l++] = ESC; /* ESC is meta-prefix */ | |
cc88a640 JK |
506 | else if (seq[i+1] == '\\' && seq[i+2] == 'C' && seq[i+3] == '-') |
507 | { | |
508 | i += 4; | |
509 | temp = (seq[i] == '?') ? RUBOUT : CTRL (_rl_to_upper (seq[i])); | |
510 | array[l++] = META (temp); | |
511 | } | |
5bdf8622 DJ |
512 | else |
513 | { | |
cc88a640 JK |
514 | /* This doesn't yet handle things like \M-\a, which may |
515 | or may not have any reasonable meaning. You're | |
516 | probably better off using straight octal or hex. */ | |
5bdf8622 DJ |
517 | i++; |
518 | array[l++] = META (seq[i]); | |
519 | } | |
d60d9f65 SS |
520 | } |
521 | else if (c == 'C') | |
522 | { | |
523 | i += 2; | |
524 | /* Special hack for C-?... */ | |
525 | array[l++] = (seq[i] == '?') ? RUBOUT : CTRL (_rl_to_upper (seq[i])); | |
526 | } | |
527 | continue; | |
528 | } | |
529 | ||
530 | /* Translate other backslash-escaped characters. These are the | |
531 | same escape sequences that bash's `echo' and `printf' builtins | |
532 | handle, with the addition of \d -> RUBOUT. A backslash | |
533 | preceding a character that is not special is stripped. */ | |
534 | switch (c) | |
535 | { | |
536 | case 'a': | |
537 | array[l++] = '\007'; | |
538 | break; | |
539 | case 'b': | |
540 | array[l++] = '\b'; | |
541 | break; | |
542 | case 'd': | |
543 | array[l++] = RUBOUT; /* readline-specific */ | |
544 | break; | |
545 | case 'e': | |
546 | array[l++] = ESC; | |
547 | break; | |
548 | case 'f': | |
549 | array[l++] = '\f'; | |
550 | break; | |
551 | case 'n': | |
552 | array[l++] = NEWLINE; | |
553 | break; | |
554 | case 'r': | |
555 | array[l++] = RETURN; | |
556 | break; | |
557 | case 't': | |
558 | array[l++] = TAB; | |
559 | break; | |
560 | case 'v': | |
561 | array[l++] = 0x0B; | |
562 | break; | |
563 | case '\\': | |
564 | array[l++] = '\\'; | |
565 | break; | |
566 | case '0': case '1': case '2': case '3': | |
567 | case '4': case '5': case '6': case '7': | |
568 | i++; | |
775e241e | 569 | for (temp = 2, c -= '0'; ISOCTAL ((unsigned char)seq[i]) && temp--; i++) |
d60d9f65 SS |
570 | c = (c * 8) + OCTVALUE (seq[i]); |
571 | i--; /* auto-increment in for loop */ | |
9255ee31 | 572 | array[l++] = c & largest_char; |
d60d9f65 SS |
573 | break; |
574 | case 'x': | |
575 | i++; | |
9255ee31 | 576 | for (temp = 2, c = 0; ISXDIGIT ((unsigned char)seq[i]) && temp--; i++) |
d60d9f65 | 577 | c = (c * 16) + HEXVALUE (seq[i]); |
9255ee31 | 578 | if (temp == 2) |
d60d9f65 SS |
579 | c = 'x'; |
580 | i--; /* auto-increment in for loop */ | |
9255ee31 | 581 | array[l++] = c & largest_char; |
d60d9f65 SS |
582 | break; |
583 | default: /* backslashes before non-special chars just add the char */ | |
584 | array[l++] = c; | |
585 | break; /* the backslash is stripped */ | |
586 | } | |
587 | continue; | |
588 | } | |
589 | ||
590 | array[l++] = c; | |
591 | } | |
592 | ||
593 | *len = l; | |
594 | array[l] = '\0'; | |
595 | return (0); | |
596 | } | |
597 | ||
775e241e TT |
598 | static int |
599 | _rl_isescape (c) | |
600 | int c; | |
601 | { | |
602 | switch (c) | |
603 | { | |
604 | case '\007': | |
605 | case '\b': | |
606 | case '\f': | |
607 | case '\n': | |
608 | case '\r': | |
609 | case TAB: | |
610 | case 0x0b: return (1); | |
611 | default: return (0); | |
612 | } | |
613 | } | |
614 | ||
615 | static int | |
616 | _rl_escchar (c) | |
617 | int c; | |
618 | { | |
619 | switch (c) | |
620 | { | |
621 | case '\007': return ('a'); | |
622 | case '\b': return ('b'); | |
623 | case '\f': return ('f'); | |
624 | case '\n': return ('n'); | |
625 | case '\r': return ('r'); | |
626 | case TAB: return ('t'); | |
627 | case 0x0b: return ('v'); | |
628 | default: return (c); | |
629 | } | |
630 | } | |
631 | ||
d60d9f65 SS |
632 | char * |
633 | rl_untranslate_keyseq (seq) | |
634 | int seq; | |
635 | { | |
636 | static char kseq[16]; | |
637 | int i, c; | |
638 | ||
639 | i = 0; | |
640 | c = seq; | |
641 | if (META_CHAR (c)) | |
642 | { | |
643 | kseq[i++] = '\\'; | |
644 | kseq[i++] = 'M'; | |
645 | kseq[i++] = '-'; | |
646 | c = UNMETA (c); | |
647 | } | |
cc88a640 JK |
648 | else if (c == ESC) |
649 | { | |
650 | kseq[i++] = '\\'; | |
651 | c = 'e'; | |
652 | } | |
d60d9f65 SS |
653 | else if (CTRL_CHAR (c)) |
654 | { | |
655 | kseq[i++] = '\\'; | |
656 | kseq[i++] = 'C'; | |
657 | kseq[i++] = '-'; | |
658 | c = _rl_to_lower (UNCTRL (c)); | |
659 | } | |
660 | else if (c == RUBOUT) | |
661 | { | |
662 | kseq[i++] = '\\'; | |
663 | kseq[i++] = 'C'; | |
664 | kseq[i++] = '-'; | |
665 | c = '?'; | |
666 | } | |
667 | ||
668 | if (c == ESC) | |
669 | { | |
670 | kseq[i++] = '\\'; | |
671 | c = 'e'; | |
672 | } | |
673 | else if (c == '\\' || c == '"') | |
674 | { | |
675 | kseq[i++] = '\\'; | |
676 | } | |
677 | ||
678 | kseq[i++] = (unsigned char) c; | |
679 | kseq[i] = '\0'; | |
680 | return kseq; | |
681 | } | |
682 | ||
775e241e TT |
683 | char * |
684 | _rl_untranslate_macro_value (seq, use_escapes) | |
d60d9f65 | 685 | char *seq; |
775e241e | 686 | int use_escapes; |
d60d9f65 SS |
687 | { |
688 | char *ret, *r, *s; | |
689 | int c; | |
690 | ||
9255ee31 | 691 | r = ret = (char *)xmalloc (7 * strlen (seq) + 1); |
d60d9f65 SS |
692 | for (s = seq; *s; s++) |
693 | { | |
694 | c = *s; | |
695 | if (META_CHAR (c)) | |
696 | { | |
697 | *r++ = '\\'; | |
698 | *r++ = 'M'; | |
699 | *r++ = '-'; | |
700 | c = UNMETA (c); | |
701 | } | |
cc88a640 JK |
702 | else if (c == ESC) |
703 | { | |
704 | *r++ = '\\'; | |
705 | c = 'e'; | |
706 | } | |
707 | else if (CTRL_CHAR (c)) | |
d60d9f65 SS |
708 | { |
709 | *r++ = '\\'; | |
775e241e TT |
710 | if (use_escapes && _rl_isescape (c)) |
711 | c = _rl_escchar (c); | |
712 | else | |
713 | { | |
714 | *r++ = 'C'; | |
715 | *r++ = '-'; | |
716 | c = _rl_to_lower (UNCTRL (c)); | |
717 | } | |
d60d9f65 SS |
718 | } |
719 | else if (c == RUBOUT) | |
720 | { | |
721 | *r++ = '\\'; | |
722 | *r++ = 'C'; | |
723 | *r++ = '-'; | |
724 | c = '?'; | |
725 | } | |
726 | ||
727 | if (c == ESC) | |
728 | { | |
729 | *r++ = '\\'; | |
730 | c = 'e'; | |
731 | } | |
732 | else if (c == '\\' || c == '"') | |
733 | *r++ = '\\'; | |
734 | ||
735 | *r++ = (unsigned char)c; | |
736 | } | |
737 | *r = '\0'; | |
738 | return ret; | |
739 | } | |
740 | ||
741 | /* Return a pointer to the function that STRING represents. | |
742 | If STRING doesn't have a matching function, then a NULL pointer | |
743 | is returned. */ | |
9255ee31 | 744 | rl_command_func_t * |
d60d9f65 | 745 | rl_named_function (string) |
9255ee31 | 746 | const char *string; |
d60d9f65 SS |
747 | { |
748 | register int i; | |
749 | ||
750 | rl_initialize_funmap (); | |
751 | ||
752 | for (i = 0; funmap[i]; i++) | |
753 | if (_rl_stricmp (funmap[i]->name, string) == 0) | |
754 | return (funmap[i]->function); | |
9255ee31 | 755 | return ((rl_command_func_t *)NULL); |
d60d9f65 SS |
756 | } |
757 | ||
758 | /* Return the function (or macro) definition which would be invoked via | |
759 | KEYSEQ if executed in MAP. If MAP is NULL, then the current keymap is | |
760 | used. TYPE, if non-NULL, is a pointer to an int which will receive the | |
761 | type of the object pointed to. One of ISFUNC (function), ISKMAP (keymap), | |
762 | or ISMACR (macro). */ | |
9255ee31 | 763 | rl_command_func_t * |
d60d9f65 | 764 | rl_function_of_keyseq (keyseq, map, type) |
9255ee31 | 765 | const char *keyseq; |
d60d9f65 SS |
766 | Keymap map; |
767 | int *type; | |
768 | { | |
769 | register int i; | |
770 | ||
cc88a640 | 771 | if (map == 0) |
d60d9f65 SS |
772 | map = _rl_keymap; |
773 | ||
774 | for (i = 0; keyseq && keyseq[i]; i++) | |
775 | { | |
9255ee31 | 776 | unsigned char ic = keyseq[i]; |
d60d9f65 SS |
777 | |
778 | if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii) | |
779 | { | |
cc88a640 JK |
780 | if (map[ESC].type == ISKMAP) |
781 | { | |
782 | map = FUNCTION_TO_KEYMAP (map, ESC); | |
783 | ic = UNMETA (ic); | |
784 | } | |
785 | /* XXX - should we just return NULL here, since this obviously | |
786 | doesn't match? */ | |
787 | else | |
d60d9f65 SS |
788 | { |
789 | if (type) | |
790 | *type = map[ESC].type; | |
791 | ||
792 | return (map[ESC].function); | |
793 | } | |
d60d9f65 SS |
794 | } |
795 | ||
796 | if (map[ic].type == ISKMAP) | |
797 | { | |
798 | /* If this is the last key in the key sequence, return the | |
799 | map. */ | |
cc88a640 | 800 | if (keyseq[i + 1] == '\0') |
d60d9f65 SS |
801 | { |
802 | if (type) | |
803 | *type = ISKMAP; | |
804 | ||
805 | return (map[ic].function); | |
806 | } | |
807 | else | |
808 | map = FUNCTION_TO_KEYMAP (map, ic); | |
809 | } | |
cc88a640 JK |
810 | /* If we're not at the end of the key sequence, and the current key |
811 | is bound to something other than a keymap, then the entire key | |
812 | sequence is not bound. */ | |
813 | else if (map[ic].type != ISKMAP && keyseq[i+1]) | |
814 | return ((rl_command_func_t *)NULL); | |
815 | else /* map[ic].type != ISKMAP && keyseq[i+1] == 0 */ | |
d60d9f65 SS |
816 | { |
817 | if (type) | |
818 | *type = map[ic].type; | |
819 | ||
820 | return (map[ic].function); | |
821 | } | |
822 | } | |
9255ee31 | 823 | return ((rl_command_func_t *) NULL); |
d60d9f65 SS |
824 | } |
825 | ||
826 | /* The last key bindings file read. */ | |
827 | static char *last_readline_init_file = (char *)NULL; | |
828 | ||
829 | /* The file we're currently reading key bindings from. */ | |
9255ee31 | 830 | static const char *current_readline_init_file; |
d60d9f65 SS |
831 | static int current_readline_init_include_level; |
832 | static int current_readline_init_lineno; | |
833 | ||
834 | /* Read FILENAME into a locally-allocated buffer and return the buffer. | |
835 | The size of the buffer is returned in *SIZEP. Returns NULL if any | |
836 | errors were encountered. */ | |
837 | static char * | |
838 | _rl_read_file (filename, sizep) | |
839 | char *filename; | |
840 | size_t *sizep; | |
841 | { | |
842 | struct stat finfo; | |
843 | size_t file_size; | |
844 | char *buffer; | |
845 | int i, file; | |
846 | ||
1b17e766 | 847 | if ((stat (filename, &finfo) < 0) || (file = open (filename, O_RDONLY, 0666)) < 0) |
d60d9f65 SS |
848 | return ((char *)NULL); |
849 | ||
850 | file_size = (size_t)finfo.st_size; | |
851 | ||
852 | /* check for overflow on very large files */ | |
853 | if (file_size != finfo.st_size || file_size + 1 < file_size) | |
854 | { | |
855 | if (file >= 0) | |
856 | close (file); | |
857 | #if defined (EFBIG) | |
858 | errno = EFBIG; | |
859 | #endif | |
860 | return ((char *)NULL); | |
861 | } | |
862 | ||
863 | /* Read the file into BUFFER. */ | |
864 | buffer = (char *)xmalloc (file_size + 1); | |
865 | i = read (file, buffer, file_size); | |
866 | close (file); | |
867 | ||
c862e87b | 868 | if (i < 0) |
d60d9f65 | 869 | { |
cc88a640 | 870 | xfree (buffer); |
d60d9f65 SS |
871 | return ((char *)NULL); |
872 | } | |
873 | ||
cc88a640 JK |
874 | RL_CHECK_SIGNALS (); |
875 | ||
1b17e766 EZ |
876 | buffer[i] = '\0'; |
877 | if (sizep) | |
878 | *sizep = i; | |
1b17e766 | 879 | |
d60d9f65 SS |
880 | return (buffer); |
881 | } | |
882 | ||
883 | /* Re-read the current keybindings file. */ | |
884 | int | |
885 | rl_re_read_init_file (count, ignore) | |
886 | int count, ignore; | |
887 | { | |
888 | int r; | |
9255ee31 | 889 | r = rl_read_init_file ((const char *)NULL); |
d60d9f65 SS |
890 | rl_set_keymap_from_edit_mode (); |
891 | return r; | |
892 | } | |
893 | ||
894 | /* Do key bindings from a file. If FILENAME is NULL it defaults | |
895 | to the first non-null filename from this list: | |
896 | 1. the filename used for the previous call | |
897 | 2. the value of the shell variable `INPUTRC' | |
898 | 3. ~/.inputrc | |
cc88a640 | 899 | 4. /etc/inputrc |
d60d9f65 SS |
900 | If the file existed and could be opened and read, 0 is returned, |
901 | otherwise errno is returned. */ | |
902 | int | |
903 | rl_read_init_file (filename) | |
9255ee31 | 904 | const char *filename; |
d60d9f65 SS |
905 | { |
906 | /* Default the filename. */ | |
907 | if (filename == 0) | |
cc88a640 JK |
908 | filename = last_readline_init_file; |
909 | if (filename == 0) | |
910 | filename = sh_get_env_value ("INPUTRC"); | |
911 | if (filename == 0 || *filename == 0) | |
d60d9f65 | 912 | { |
cc88a640 JK |
913 | filename = DEFAULT_INPUTRC; |
914 | /* Try to read DEFAULT_INPUTRC; fall back to SYS_INPUTRC on failure */ | |
915 | if (_rl_read_init_file (filename, 0) == 0) | |
916 | return 0; | |
917 | filename = SYS_INPUTRC; | |
d60d9f65 SS |
918 | } |
919 | ||
1b17e766 EZ |
920 | #if defined (__MSDOS__) |
921 | if (_rl_read_init_file (filename, 0) == 0) | |
922 | return 0; | |
923 | filename = "~/_inputrc"; | |
a27688aa | 924 | #endif |
d60d9f65 SS |
925 | return (_rl_read_init_file (filename, 0)); |
926 | } | |
927 | ||
928 | static int | |
929 | _rl_read_init_file (filename, include_level) | |
9255ee31 | 930 | const char *filename; |
d60d9f65 SS |
931 | int include_level; |
932 | { | |
933 | register int i; | |
934 | char *buffer, *openname, *line, *end; | |
935 | size_t file_size; | |
936 | ||
937 | current_readline_init_file = filename; | |
938 | current_readline_init_include_level = include_level; | |
939 | ||
940 | openname = tilde_expand (filename); | |
941 | buffer = _rl_read_file (openname, &file_size); | |
cc88a640 | 942 | xfree (openname); |
c862e87b | 943 | |
cc88a640 | 944 | RL_CHECK_SIGNALS (); |
d60d9f65 SS |
945 | if (buffer == 0) |
946 | return (errno); | |
947 | ||
948 | if (include_level == 0 && filename != last_readline_init_file) | |
949 | { | |
950 | FREE (last_readline_init_file); | |
951 | last_readline_init_file = savestring (filename); | |
952 | } | |
953 | ||
1b17e766 EZ |
954 | currently_reading_init_file = 1; |
955 | ||
d60d9f65 SS |
956 | /* Loop over the lines in the file. Lines that start with `#' are |
957 | comments; all other lines are commands for readline initialization. */ | |
958 | current_readline_init_lineno = 1; | |
959 | line = buffer; | |
960 | end = buffer + file_size; | |
961 | while (line < end) | |
962 | { | |
963 | /* Find the end of this line. */ | |
964 | for (i = 0; line + i != end && line[i] != '\n'; i++); | |
965 | ||
9255ee31 | 966 | #if defined (__CYGWIN__) |
1b17e766 EZ |
967 | /* ``Be liberal in what you accept.'' */ |
968 | if (line[i] == '\n' && line[i-1] == '\r') | |
969 | line[i - 1] = '\0'; | |
970 | #endif | |
971 | ||
d60d9f65 SS |
972 | /* Mark end of line. */ |
973 | line[i] = '\0'; | |
974 | ||
975 | /* Skip leading whitespace. */ | |
976 | while (*line && whitespace (*line)) | |
977 | { | |
978 | line++; | |
979 | i--; | |
980 | } | |
981 | ||
982 | /* If the line is not a comment, then parse it. */ | |
983 | if (*line && *line != '#') | |
984 | rl_parse_and_bind (line); | |
985 | ||
986 | /* Move to the next line. */ | |
987 | line += i + 1; | |
988 | current_readline_init_lineno++; | |
989 | } | |
990 | ||
cc88a640 | 991 | xfree (buffer); |
1b17e766 | 992 | currently_reading_init_file = 0; |
d60d9f65 SS |
993 | return (0); |
994 | } | |
995 | ||
996 | static void | |
775e241e TT |
997 | #if defined (PREFER_STDARG) |
998 | _rl_init_file_error (const char *format, ...) | |
999 | #else | |
1000 | _rl_init_file_error (va_alist) | |
1001 | va_dcl | |
1002 | #endif | |
d60d9f65 | 1003 | { |
775e241e TT |
1004 | va_list args; |
1005 | #if defined (PREFER_VARARGS) | |
1006 | char *format; | |
1007 | #endif | |
1008 | ||
1009 | #if defined (PREFER_STDARG) | |
1010 | va_start (args, format); | |
1011 | #else | |
1012 | va_start (args); | |
1013 | format = va_arg (args, char *); | |
1014 | #endif | |
1015 | ||
1016 | fprintf (stderr, "readline: "); | |
1b17e766 | 1017 | if (currently_reading_init_file) |
775e241e TT |
1018 | fprintf (stderr, "%s: line %d: ", current_readline_init_file, |
1019 | current_readline_init_lineno); | |
1020 | ||
1021 | vfprintf (stderr, format, args); | |
1022 | fprintf (stderr, "\n"); | |
1023 | fflush (stderr); | |
1024 | ||
1025 | va_end (args); | |
d60d9f65 SS |
1026 | } |
1027 | ||
1028 | /* **************************************************************** */ | |
1029 | /* */ | |
1030 | /* Parser Directives */ | |
1031 | /* */ | |
1032 | /* **************************************************************** */ | |
1033 | ||
9255ee31 EZ |
1034 | typedef int _rl_parser_func_t PARAMS((char *)); |
1035 | ||
1036 | /* Things that mean `Control'. */ | |
cc88a640 | 1037 | const char * const _rl_possible_control_prefixes[] = { |
9255ee31 EZ |
1038 | "Control-", "C-", "CTRL-", (const char *)NULL |
1039 | }; | |
1040 | ||
cc88a640 | 1041 | const char * const _rl_possible_meta_prefixes[] = { |
9255ee31 EZ |
1042 | "Meta", "M-", (const char *)NULL |
1043 | }; | |
1044 | ||
d60d9f65 SS |
1045 | /* Conditionals. */ |
1046 | ||
1047 | /* Calling programs set this to have their argv[0]. */ | |
9255ee31 | 1048 | const char *rl_readline_name = "other"; |
d60d9f65 SS |
1049 | |
1050 | /* Stack of previous values of parsing_conditionalized_out. */ | |
1051 | static unsigned char *if_stack = (unsigned char *)NULL; | |
1052 | static int if_stack_depth; | |
1053 | static int if_stack_size; | |
1054 | ||
1055 | /* Push _rl_parsing_conditionalized_out, and set parser state based | |
1056 | on ARGS. */ | |
1057 | static int | |
1058 | parser_if (args) | |
1059 | char *args; | |
1060 | { | |
1061 | register int i; | |
1062 | ||
1063 | /* Push parser state. */ | |
1064 | if (if_stack_depth + 1 >= if_stack_size) | |
1065 | { | |
1066 | if (!if_stack) | |
1067 | if_stack = (unsigned char *)xmalloc (if_stack_size = 20); | |
1068 | else | |
1069 | if_stack = (unsigned char *)xrealloc (if_stack, if_stack_size += 20); | |
1070 | } | |
1071 | if_stack[if_stack_depth++] = _rl_parsing_conditionalized_out; | |
1072 | ||
1073 | /* If parsing is turned off, then nothing can turn it back on except | |
1074 | for finding the matching endif. In that case, return right now. */ | |
1075 | if (_rl_parsing_conditionalized_out) | |
1076 | return 0; | |
1077 | ||
1078 | /* Isolate first argument. */ | |
1079 | for (i = 0; args[i] && !whitespace (args[i]); i++); | |
1080 | ||
1081 | if (args[i]) | |
1082 | args[i++] = '\0'; | |
1083 | ||
1084 | /* Handle "$if term=foo" and "$if mode=emacs" constructs. If this | |
1085 | isn't term=foo, or mode=emacs, then check to see if the first | |
1086 | word in ARGS is the same as the value stored in rl_readline_name. */ | |
1087 | if (rl_terminal_name && _rl_strnicmp (args, "term=", 5) == 0) | |
1088 | { | |
1089 | char *tem, *tname; | |
1090 | ||
1091 | /* Terminals like "aaa-60" are equivalent to "aaa". */ | |
1092 | tname = savestring (rl_terminal_name); | |
1093 | tem = strchr (tname, '-'); | |
1094 | if (tem) | |
1095 | *tem = '\0'; | |
1096 | ||
1097 | /* Test the `long' and `short' forms of the terminal name so that | |
1098 | if someone has a `sun-cmd' and does not want to have bindings | |
1099 | that will be executed if the terminal is a `sun', they can put | |
1100 | `$if term=sun-cmd' into their .inputrc. */ | |
1101 | _rl_parsing_conditionalized_out = _rl_stricmp (args + 5, tname) && | |
1102 | _rl_stricmp (args + 5, rl_terminal_name); | |
cc88a640 | 1103 | xfree (tname); |
d60d9f65 SS |
1104 | } |
1105 | #if defined (VI_MODE) | |
1106 | else if (_rl_strnicmp (args, "mode=", 5) == 0) | |
1107 | { | |
1108 | int mode; | |
1109 | ||
1110 | if (_rl_stricmp (args + 5, "emacs") == 0) | |
1111 | mode = emacs_mode; | |
1112 | else if (_rl_stricmp (args + 5, "vi") == 0) | |
1113 | mode = vi_mode; | |
1114 | else | |
1115 | mode = no_mode; | |
1116 | ||
1117 | _rl_parsing_conditionalized_out = mode != rl_editing_mode; | |
1118 | } | |
1119 | #endif /* VI_MODE */ | |
1120 | /* Check to see if the first word in ARGS is the same as the | |
1121 | value stored in rl_readline_name. */ | |
1122 | else if (_rl_stricmp (args, rl_readline_name) == 0) | |
1123 | _rl_parsing_conditionalized_out = 0; | |
1124 | else | |
1125 | _rl_parsing_conditionalized_out = 1; | |
1126 | return 0; | |
1127 | } | |
1128 | ||
1129 | /* Invert the current parser state if there is anything on the stack. */ | |
1130 | static int | |
1131 | parser_else (args) | |
1132 | char *args; | |
1133 | { | |
1134 | register int i; | |
1135 | ||
1136 | if (if_stack_depth == 0) | |
1137 | { | |
1138 | _rl_init_file_error ("$else found without matching $if"); | |
1139 | return 0; | |
1140 | } | |
1141 | ||
5bdf8622 | 1142 | #if 0 |
d60d9f65 SS |
1143 | /* Check the previous (n - 1) levels of the stack to make sure that |
1144 | we haven't previously turned off parsing. */ | |
1145 | for (i = 0; i < if_stack_depth - 1; i++) | |
5bdf8622 DJ |
1146 | #else |
1147 | /* Check the previous (n) levels of the stack to make sure that | |
1148 | we haven't previously turned off parsing. */ | |
1149 | for (i = 0; i < if_stack_depth; i++) | |
1150 | #endif | |
d60d9f65 SS |
1151 | if (if_stack[i] == 1) |
1152 | return 0; | |
1153 | ||
1154 | /* Invert the state of parsing if at top level. */ | |
1155 | _rl_parsing_conditionalized_out = !_rl_parsing_conditionalized_out; | |
1156 | return 0; | |
1157 | } | |
1158 | ||
1159 | /* Terminate a conditional, popping the value of | |
1160 | _rl_parsing_conditionalized_out from the stack. */ | |
1161 | static int | |
1162 | parser_endif (args) | |
1163 | char *args; | |
1164 | { | |
1165 | if (if_stack_depth) | |
1166 | _rl_parsing_conditionalized_out = if_stack[--if_stack_depth]; | |
1167 | else | |
1168 | _rl_init_file_error ("$endif without matching $if"); | |
1169 | return 0; | |
1170 | } | |
1171 | ||
1172 | static int | |
1173 | parser_include (args) | |
1174 | char *args; | |
1175 | { | |
9255ee31 EZ |
1176 | const char *old_init_file; |
1177 | char *e; | |
d60d9f65 SS |
1178 | int old_line_number, old_include_level, r; |
1179 | ||
1180 | if (_rl_parsing_conditionalized_out) | |
1181 | return (0); | |
1182 | ||
1183 | old_init_file = current_readline_init_file; | |
1184 | old_line_number = current_readline_init_lineno; | |
1185 | old_include_level = current_readline_init_include_level; | |
1186 | ||
1187 | e = strchr (args, '\n'); | |
1188 | if (e) | |
1189 | *e = '\0'; | |
9255ee31 | 1190 | r = _rl_read_init_file ((const char *)args, old_include_level + 1); |
d60d9f65 SS |
1191 | |
1192 | current_readline_init_file = old_init_file; | |
1193 | current_readline_init_lineno = old_line_number; | |
1194 | current_readline_init_include_level = old_include_level; | |
1195 | ||
1196 | return r; | |
1197 | } | |
1198 | ||
1199 | /* Associate textual names with actual functions. */ | |
cc88a640 JK |
1200 | static const struct { |
1201 | const char * const name; | |
9255ee31 | 1202 | _rl_parser_func_t *function; |
d60d9f65 SS |
1203 | } parser_directives [] = { |
1204 | { "if", parser_if }, | |
1205 | { "endif", parser_endif }, | |
1206 | { "else", parser_else }, | |
1207 | { "include", parser_include }, | |
9255ee31 | 1208 | { (char *)0x0, (_rl_parser_func_t *)0x0 } |
d60d9f65 SS |
1209 | }; |
1210 | ||
1211 | /* Handle a parser directive. STATEMENT is the line of the directive | |
1212 | without any leading `$'. */ | |
1213 | static int | |
1214 | handle_parser_directive (statement) | |
1215 | char *statement; | |
1216 | { | |
1217 | register int i; | |
1218 | char *directive, *args; | |
1219 | ||
1220 | /* Isolate the actual directive. */ | |
1221 | ||
1222 | /* Skip whitespace. */ | |
1223 | for (i = 0; whitespace (statement[i]); i++); | |
1224 | ||
1225 | directive = &statement[i]; | |
1226 | ||
1227 | for (; statement[i] && !whitespace (statement[i]); i++); | |
1228 | ||
1229 | if (statement[i]) | |
1230 | statement[i++] = '\0'; | |
1231 | ||
1232 | for (; statement[i] && whitespace (statement[i]); i++); | |
1233 | ||
1234 | args = &statement[i]; | |
1235 | ||
1236 | /* Lookup the command, and act on it. */ | |
1237 | for (i = 0; parser_directives[i].name; i++) | |
1238 | if (_rl_stricmp (directive, parser_directives[i].name) == 0) | |
1239 | { | |
1240 | (*parser_directives[i].function) (args); | |
1241 | return (0); | |
1242 | } | |
1243 | ||
1244 | /* display an error message about the unknown parser directive */ | |
775e241e | 1245 | _rl_init_file_error ("%s: unknown parser directive", directive); |
d60d9f65 SS |
1246 | return (1); |
1247 | } | |
1248 | ||
775e241e TT |
1249 | /* Start at STRING[START] and look for DELIM. Return I where STRING[I] == |
1250 | DELIM or STRING[I] == 0. DELIM is usually a double quote. */ | |
1251 | static int | |
1252 | _rl_skip_to_delim (string, start, delim) | |
1253 | char *string; | |
1254 | int start, delim; | |
1255 | { | |
1256 | int i, c, passc; | |
1257 | ||
1258 | for (i = start,passc = 0; c = string[i]; i++) | |
1259 | { | |
1260 | if (passc) | |
1261 | { | |
1262 | passc = 0; | |
1263 | if (c == 0) | |
1264 | break; | |
1265 | continue; | |
1266 | } | |
1267 | ||
1268 | if (c == '\\') | |
1269 | { | |
1270 | passc = 1; | |
1271 | continue; | |
1272 | } | |
1273 | ||
1274 | if (c == delim) | |
1275 | break; | |
1276 | } | |
1277 | ||
1278 | return i; | |
1279 | } | |
1280 | ||
d60d9f65 SS |
1281 | /* Read the binding command from STRING and perform it. |
1282 | A key binding command looks like: Keyname: function-name\0, | |
1283 | a variable binding command looks like: set variable value. | |
1284 | A new-style keybinding looks like "\C-x\C-x": exchange-point-and-mark. */ | |
1285 | int | |
1286 | rl_parse_and_bind (string) | |
1287 | char *string; | |
1288 | { | |
1289 | char *funname, *kname; | |
1290 | register int c, i; | |
775e241e | 1291 | int key, equivalency, foundmod, foundsep; |
d60d9f65 SS |
1292 | |
1293 | while (string && whitespace (*string)) | |
1294 | string++; | |
1295 | ||
775e241e | 1296 | if (string == 0 || *string == 0 || *string == '#') |
d60d9f65 SS |
1297 | return 0; |
1298 | ||
1299 | /* If this is a parser directive, act on it. */ | |
1300 | if (*string == '$') | |
1301 | { | |
1302 | handle_parser_directive (&string[1]); | |
1303 | return 0; | |
1304 | } | |
1305 | ||
1306 | /* If we aren't supposed to be parsing right now, then we're done. */ | |
1307 | if (_rl_parsing_conditionalized_out) | |
1308 | return 0; | |
1309 | ||
1310 | i = 0; | |
1311 | /* If this keyname is a complex key expression surrounded by quotes, | |
1312 | advance to after the matching close quote. This code allows the | |
1313 | backslash to quote characters in the key expression. */ | |
1314 | if (*string == '"') | |
1315 | { | |
775e241e | 1316 | i = _rl_skip_to_delim (string, 1, '"'); |
5836a818 | 1317 | |
d60d9f65 SS |
1318 | /* If we didn't find a closing quote, abort the line. */ |
1319 | if (string[i] == '\0') | |
1320 | { | |
775e241e | 1321 | _rl_init_file_error ("%s: no closing `\"' in key binding", string); |
d60d9f65 SS |
1322 | return 1; |
1323 | } | |
775e241e TT |
1324 | else |
1325 | i++; /* skip past closing double quote */ | |
d60d9f65 SS |
1326 | } |
1327 | ||
1328 | /* Advance to the colon (:) or whitespace which separates the two objects. */ | |
1329 | for (; (c = string[i]) && c != ':' && c != ' ' && c != '\t'; i++ ); | |
1330 | ||
1331 | equivalency = (c == ':' && string[i + 1] == '='); | |
1332 | ||
775e241e TT |
1333 | foundsep = c != 0; |
1334 | ||
d60d9f65 SS |
1335 | /* Mark the end of the command (or keyname). */ |
1336 | if (string[i]) | |
1337 | string[i++] = '\0'; | |
1338 | ||
1339 | /* If doing assignment, skip the '=' sign as well. */ | |
1340 | if (equivalency) | |
1341 | string[i++] = '\0'; | |
1342 | ||
1343 | /* If this is a command to set a variable, then do that. */ | |
1344 | if (_rl_stricmp (string, "set") == 0) | |
1345 | { | |
5bdf8622 | 1346 | char *var, *value, *e; |
775e241e | 1347 | int s; |
d60d9f65 | 1348 | |
5bdf8622 | 1349 | var = string + i; |
d60d9f65 SS |
1350 | /* Make VAR point to start of variable name. */ |
1351 | while (*var && whitespace (*var)) var++; | |
1352 | ||
9255ee31 | 1353 | /* Make VALUE point to start of value string. */ |
d60d9f65 | 1354 | value = var; |
775e241e | 1355 | while (*value && whitespace (*value) == 0) value++; |
d60d9f65 SS |
1356 | if (*value) |
1357 | *value++ = '\0'; | |
1358 | while (*value && whitespace (*value)) value++; | |
1359 | ||
775e241e TT |
1360 | /* Strip trailing whitespace from values of boolean variables. */ |
1361 | if (find_boolean_var (var) >= 0) | |
5bdf8622 DJ |
1362 | { |
1363 | /* remove trailing whitespace */ | |
775e241e | 1364 | remove_trailing: |
5bdf8622 DJ |
1365 | e = value + strlen (value) - 1; |
1366 | while (e >= value && whitespace (*e)) | |
1367 | e--; | |
1368 | e++; /* skip back to whitespace or EOS */ | |
775e241e | 1369 | |
5bdf8622 DJ |
1370 | if (*e && e >= value) |
1371 | *e = '\0'; | |
1372 | } | |
775e241e TT |
1373 | else if ((i = find_string_var (var)) >= 0) |
1374 | { | |
1375 | /* Allow quoted strings in variable values */ | |
1376 | if (*value == '"') | |
1377 | { | |
1378 | i = _rl_skip_to_delim (value, 1, *value); | |
1379 | value[i] = '\0'; | |
1380 | value++; /* skip past the quote */ | |
1381 | } | |
1382 | else | |
1383 | goto remove_trailing; | |
1384 | } | |
1385 | ||
d60d9f65 SS |
1386 | rl_variable_bind (var, value); |
1387 | return 0; | |
1388 | } | |
1389 | ||
1390 | /* Skip any whitespace between keyname and funname. */ | |
1391 | for (; string[i] && whitespace (string[i]); i++); | |
1392 | funname = &string[i]; | |
1393 | ||
1394 | /* Now isolate funname. | |
1395 | For straight function names just look for whitespace, since | |
1396 | that will signify the end of the string. But this could be a | |
1397 | macro definition. In that case, the string is quoted, so skip | |
1398 | to the matching delimiter. We allow the backslash to quote the | |
1399 | delimiter characters in the macro body. */ | |
1400 | /* This code exists to allow whitespace in macro expansions, which | |
1401 | would otherwise be gobbled up by the next `for' loop.*/ | |
1402 | /* XXX - it may be desirable to allow backslash quoting only if " is | |
1403 | the quoted string delimiter, like the shell. */ | |
1404 | if (*funname == '\'' || *funname == '"') | |
1405 | { | |
775e241e TT |
1406 | i = _rl_skip_to_delim (string, i+1, *funname); |
1407 | if (string[i]) | |
d60d9f65 SS |
1408 | i++; |
1409 | } | |
1410 | ||
1411 | /* Advance to the end of the string. */ | |
775e241e | 1412 | for (; string[i] && whitespace (string[i]) == 0; i++); |
d60d9f65 SS |
1413 | |
1414 | /* No extra whitespace at the end of the string. */ | |
1415 | string[i] = '\0'; | |
1416 | ||
1417 | /* Handle equivalency bindings here. Make the left-hand side be exactly | |
1418 | whatever the right-hand evaluates to, including keymaps. */ | |
1419 | if (equivalency) | |
1420 | { | |
1421 | return 0; | |
1422 | } | |
1423 | ||
775e241e TT |
1424 | if (foundsep == 0) |
1425 | { | |
1426 | _rl_init_file_error ("%s: no key sequence terminator", string); | |
1427 | return 1; | |
1428 | } | |
1429 | ||
d60d9f65 | 1430 | /* If this is a new-style key-binding, then do the binding with |
5bdf8622 | 1431 | rl_bind_keyseq (). Otherwise, let the older code deal with it. */ |
d60d9f65 SS |
1432 | if (*string == '"') |
1433 | { | |
1434 | char *seq; | |
1435 | register int j, k, passc; | |
1436 | ||
9255ee31 | 1437 | seq = (char *)xmalloc (1 + strlen (string)); |
d60d9f65 SS |
1438 | for (j = 1, k = passc = 0; string[j]; j++) |
1439 | { | |
1440 | /* Allow backslash to quote characters, but leave them in place. | |
1441 | This allows a string to end with a backslash quoting another | |
1442 | backslash, or with a backslash quoting a double quote. The | |
1443 | backslashes are left in place for rl_translate_keyseq (). */ | |
1444 | if (passc || (string[j] == '\\')) | |
1445 | { | |
1446 | seq[k++] = string[j]; | |
1447 | passc = !passc; | |
1448 | continue; | |
1449 | } | |
1450 | ||
1451 | if (string[j] == '"') | |
1452 | break; | |
1453 | ||
1454 | seq[k++] = string[j]; | |
1455 | } | |
1456 | seq[k] = '\0'; | |
1457 | ||
1458 | /* Binding macro? */ | |
1459 | if (*funname == '\'' || *funname == '"') | |
1460 | { | |
1461 | j = strlen (funname); | |
1462 | ||
1463 | /* Remove the delimiting quotes from each end of FUNNAME. */ | |
1464 | if (j && funname[j - 1] == *funname) | |
1465 | funname[j - 1] = '\0'; | |
1466 | ||
1467 | rl_macro_bind (seq, &funname[1], _rl_keymap); | |
1468 | } | |
1469 | else | |
5bdf8622 | 1470 | rl_bind_keyseq (seq, rl_named_function (funname)); |
d60d9f65 | 1471 | |
cc88a640 | 1472 | xfree (seq); |
d60d9f65 SS |
1473 | return 0; |
1474 | } | |
1475 | ||
1476 | /* Get the actual character we want to deal with. */ | |
1477 | kname = strrchr (string, '-'); | |
775e241e | 1478 | if (kname == 0) |
d60d9f65 SS |
1479 | kname = string; |
1480 | else | |
1481 | kname++; | |
1482 | ||
1483 | key = glean_key_from_name (kname); | |
1484 | ||
1485 | /* Add in control and meta bits. */ | |
775e241e | 1486 | foundmod = 0; |
9255ee31 | 1487 | if (substring_member_of_array (string, _rl_possible_control_prefixes)) |
775e241e TT |
1488 | { |
1489 | key = CTRL (_rl_to_upper (key)); | |
1490 | foundmod = 1; | |
1491 | } | |
d60d9f65 | 1492 | |
9255ee31 | 1493 | if (substring_member_of_array (string, _rl_possible_meta_prefixes)) |
775e241e TT |
1494 | { |
1495 | key = META (key); | |
1496 | foundmod = 1; | |
1497 | } | |
1498 | ||
1499 | if (foundmod == 0 && kname != string) | |
1500 | { | |
1501 | _rl_init_file_error ("%s: unknown key modifier", string); | |
1502 | return 1; | |
1503 | } | |
d60d9f65 SS |
1504 | |
1505 | /* Temporary. Handle old-style keyname with macro-binding. */ | |
1506 | if (*funname == '\'' || *funname == '"') | |
1507 | { | |
9255ee31 | 1508 | char useq[2]; |
d60d9f65 SS |
1509 | int fl = strlen (funname); |
1510 | ||
1511 | useq[0] = key; useq[1] = '\0'; | |
1512 | if (fl && funname[fl - 1] == *funname) | |
1513 | funname[fl - 1] = '\0'; | |
1514 | ||
1515 | rl_macro_bind (useq, &funname[1], _rl_keymap); | |
1516 | } | |
1517 | #if defined (PREFIX_META_HACK) | |
1518 | /* Ugly, but working hack to keep prefix-meta around. */ | |
1519 | else if (_rl_stricmp (funname, "prefix-meta") == 0) | |
1520 | { | |
1521 | char seq[2]; | |
1522 | ||
1523 | seq[0] = key; | |
1524 | seq[1] = '\0'; | |
1525 | rl_generic_bind (ISKMAP, seq, (char *)emacs_meta_keymap, _rl_keymap); | |
1526 | } | |
1527 | #endif /* PREFIX_META_HACK */ | |
1528 | else | |
1529 | rl_bind_key (key, rl_named_function (funname)); | |
775e241e | 1530 | |
d60d9f65 SS |
1531 | return 0; |
1532 | } | |
1533 | ||
1534 | /* Simple structure for boolean readline variables (i.e., those that can | |
1535 | have one of two values; either "On" or 1 for truth, or "Off" or 0 for | |
1536 | false. */ | |
1537 | ||
1b17e766 EZ |
1538 | #define V_SPECIAL 0x1 |
1539 | ||
cc88a640 JK |
1540 | static const struct { |
1541 | const char * const name; | |
d60d9f65 | 1542 | int *value; |
1b17e766 | 1543 | int flags; |
d60d9f65 | 1544 | } boolean_varlist [] = { |
5bdf8622 | 1545 | { "bind-tty-special-chars", &_rl_bind_stty_chars, 0 }, |
1b17e766 | 1546 | { "blink-matching-paren", &rl_blink_matching_paren, V_SPECIAL }, |
9255ee31 | 1547 | { "byte-oriented", &rl_byte_oriented, 0 }, |
775e241e TT |
1548 | #if defined (COLOR_SUPPORT) |
1549 | { "colored-completion-prefix",&_rl_colored_completion_prefix, 0 }, | |
1550 | { "colored-stats", &_rl_colored_stats, 0 }, | |
1551 | #endif | |
1b17e766 | 1552 | { "completion-ignore-case", &_rl_completion_case_fold, 0 }, |
cc88a640 | 1553 | { "completion-map-case", &_rl_completion_case_map, 0 }, |
1b17e766 EZ |
1554 | { "convert-meta", &_rl_convert_meta_chars_to_ascii, 0 }, |
1555 | { "disable-completion", &rl_inhibit_completion, 0 }, | |
cc88a640 | 1556 | { "echo-control-characters", &_rl_echo_control_chars, 0 }, |
775e241e | 1557 | { "enable-bracketed-paste", &_rl_enable_bracketed_paste, 0 }, |
1b17e766 | 1558 | { "enable-keypad", &_rl_enable_keypad, 0 }, |
cc88a640 | 1559 | { "enable-meta-key", &_rl_enable_meta, 0 }, |
1b17e766 | 1560 | { "expand-tilde", &rl_complete_with_tilde_expansion, 0 }, |
9255ee31 | 1561 | { "history-preserve-point", &_rl_history_preserve_point, 0 }, |
1b17e766 EZ |
1562 | { "horizontal-scroll-mode", &_rl_horizontal_scroll_mode, 0 }, |
1563 | { "input-meta", &_rl_meta_flag, 0 }, | |
1564 | { "mark-directories", &_rl_complete_mark_directories, 0 }, | |
1565 | { "mark-modified-lines", &_rl_mark_modified_lines, 0 }, | |
9255ee31 EZ |
1566 | { "mark-symlinked-directories", &_rl_complete_mark_symlink_dirs, 0 }, |
1567 | { "match-hidden-files", &_rl_match_hidden_files, 0 }, | |
cc88a640 | 1568 | { "menu-complete-display-prefix", &_rl_menu_complete_prefix_first, 0 }, |
1b17e766 EZ |
1569 | { "meta-flag", &_rl_meta_flag, 0 }, |
1570 | { "output-meta", &_rl_output_meta_chars, 0 }, | |
9255ee31 | 1571 | { "page-completions", &_rl_page_completions, 0 }, |
1b17e766 EZ |
1572 | { "prefer-visible-bell", &_rl_prefer_visible_bell, V_SPECIAL }, |
1573 | { "print-completions-horizontally", &_rl_print_completions_horizontally, 0 }, | |
cc88a640 | 1574 | { "revert-all-at-newline", &_rl_revert_all_at_newline, 0 }, |
1b17e766 | 1575 | { "show-all-if-ambiguous", &_rl_complete_show_all, 0 }, |
5bdf8622 | 1576 | { "show-all-if-unmodified", &_rl_complete_show_unmodified, 0 }, |
775e241e | 1577 | { "show-mode-in-prompt", &_rl_show_mode_in_prompt, 0 }, |
cc88a640 | 1578 | { "skip-completed-text", &_rl_skip_completed_text, 0 }, |
d60d9f65 | 1579 | #if defined (VISIBLE_STATS) |
1b17e766 | 1580 | { "visible-stats", &rl_visible_stats, 0 }, |
d60d9f65 | 1581 | #endif /* VISIBLE_STATS */ |
cc88a640 | 1582 | { (char *)NULL, (int *)NULL, 0 } |
d60d9f65 SS |
1583 | }; |
1584 | ||
1b17e766 EZ |
1585 | static int |
1586 | find_boolean_var (name) | |
9255ee31 | 1587 | const char *name; |
1b17e766 EZ |
1588 | { |
1589 | register int i; | |
1590 | ||
1591 | for (i = 0; boolean_varlist[i].name; i++) | |
1592 | if (_rl_stricmp (name, boolean_varlist[i].name) == 0) | |
1593 | return i; | |
1594 | return -1; | |
1595 | } | |
1596 | ||
1597 | /* Hooks for handling special boolean variables, where a | |
1598 | function needs to be called or another variable needs | |
1599 | to be changed when they're changed. */ | |
1600 | static void | |
1601 | hack_special_boolean_var (i) | |
1602 | int i; | |
1603 | { | |
9255ee31 | 1604 | const char *name; |
1b17e766 EZ |
1605 | |
1606 | name = boolean_varlist[i].name; | |
1607 | ||
1608 | if (_rl_stricmp (name, "blink-matching-paren") == 0) | |
1609 | _rl_enable_paren_matching (rl_blink_matching_paren); | |
1610 | else if (_rl_stricmp (name, "prefer-visible-bell") == 0) | |
1611 | { | |
1612 | if (_rl_prefer_visible_bell) | |
1613 | _rl_bell_preference = VISIBLE_BELL; | |
1614 | else | |
1615 | _rl_bell_preference = AUDIBLE_BELL; | |
1616 | } | |
775e241e TT |
1617 | else if (_rl_stricmp (name, "show-mode-in-prompt") == 0) |
1618 | _rl_reset_prompt (); | |
1b17e766 EZ |
1619 | } |
1620 | ||
9255ee31 EZ |
1621 | typedef int _rl_sv_func_t PARAMS((const char *)); |
1622 | ||
1b17e766 EZ |
1623 | /* These *must* correspond to the array indices for the appropriate |
1624 | string variable. (Though they're not used right now.) */ | |
1625 | #define V_BELLSTYLE 0 | |
1626 | #define V_COMBEGIN 1 | |
1627 | #define V_EDITMODE 2 | |
1628 | #define V_ISRCHTERM 3 | |
1629 | #define V_KEYMAP 4 | |
1630 | ||
1631 | #define V_STRING 1 | |
1632 | #define V_INT 2 | |
1633 | ||
1634 | /* Forward declarations */ | |
9255ee31 EZ |
1635 | static int sv_bell_style PARAMS((const char *)); |
1636 | static int sv_combegin PARAMS((const char *)); | |
cc88a640 | 1637 | static int sv_dispprefix PARAMS((const char *)); |
9255ee31 | 1638 | static int sv_compquery PARAMS((const char *)); |
cc88a640 | 1639 | static int sv_compwidth PARAMS((const char *)); |
9255ee31 | 1640 | static int sv_editmode PARAMS((const char *)); |
775e241e | 1641 | static int sv_emacs_modestr PARAMS((const char *)); |
cc88a640 | 1642 | static int sv_histsize PARAMS((const char *)); |
9255ee31 EZ |
1643 | static int sv_isrchterm PARAMS((const char *)); |
1644 | static int sv_keymap PARAMS((const char *)); | |
775e241e TT |
1645 | static int sv_seqtimeout PARAMS((const char *)); |
1646 | static int sv_viins_modestr PARAMS((const char *)); | |
1647 | static int sv_vicmd_modestr PARAMS((const char *)); | |
1b17e766 | 1648 | |
cc88a640 JK |
1649 | static const struct { |
1650 | const char * const name; | |
1b17e766 | 1651 | int flags; |
9255ee31 | 1652 | _rl_sv_func_t *set_func; |
1b17e766 EZ |
1653 | } string_varlist[] = { |
1654 | { "bell-style", V_STRING, sv_bell_style }, | |
1655 | { "comment-begin", V_STRING, sv_combegin }, | |
cc88a640 JK |
1656 | { "completion-display-width", V_INT, sv_compwidth }, |
1657 | { "completion-prefix-display-length", V_INT, sv_dispprefix }, | |
1b17e766 EZ |
1658 | { "completion-query-items", V_INT, sv_compquery }, |
1659 | { "editing-mode", V_STRING, sv_editmode }, | |
775e241e | 1660 | { "emacs-mode-string", V_STRING, sv_emacs_modestr }, |
cc88a640 | 1661 | { "history-size", V_INT, sv_histsize }, |
1b17e766 EZ |
1662 | { "isearch-terminators", V_STRING, sv_isrchterm }, |
1663 | { "keymap", V_STRING, sv_keymap }, | |
775e241e TT |
1664 | { "keyseq-timeout", V_INT, sv_seqtimeout }, |
1665 | { "vi-cmd-mode-string", V_STRING, sv_vicmd_modestr }, | |
1666 | { "vi-ins-mode-string", V_STRING, sv_viins_modestr }, | |
cc88a640 | 1667 | { (char *)NULL, 0, (_rl_sv_func_t *)0 } |
1b17e766 EZ |
1668 | }; |
1669 | ||
1670 | static int | |
1671 | find_string_var (name) | |
9255ee31 | 1672 | const char *name; |
1b17e766 EZ |
1673 | { |
1674 | register int i; | |
1675 | ||
1676 | for (i = 0; string_varlist[i].name; i++) | |
1677 | if (_rl_stricmp (name, string_varlist[i].name) == 0) | |
1678 | return i; | |
1679 | return -1; | |
1680 | } | |
1681 | ||
1682 | /* A boolean value that can appear in a `set variable' command is true if | |
775e241e | 1683 | the value is null or empty, `on' (case-insensitive), or "1". Any other |
1b17e766 EZ |
1684 | values result in 0 (false). */ |
1685 | static int | |
1686 | bool_to_int (value) | |
5bdf8622 | 1687 | const char *value; |
1b17e766 EZ |
1688 | { |
1689 | return (value == 0 || *value == '\0' || | |
1690 | (_rl_stricmp (value, "on") == 0) || | |
1691 | (value[0] == '1' && value[1] == '\0')); | |
1692 | } | |
1693 | ||
5bdf8622 DJ |
1694 | char * |
1695 | rl_variable_value (name) | |
1696 | const char *name; | |
1697 | { | |
1698 | register int i; | |
5bdf8622 DJ |
1699 | |
1700 | /* Check for simple variables first. */ | |
1701 | i = find_boolean_var (name); | |
1702 | if (i >= 0) | |
1703 | return (*boolean_varlist[i].value ? "on" : "off"); | |
1704 | ||
1705 | i = find_string_var (name); | |
1706 | if (i >= 0) | |
1707 | return (_rl_get_string_variable_value (string_varlist[i].name)); | |
1708 | ||
1709 | /* Unknown variable names return NULL. */ | |
1710 | return 0; | |
1711 | } | |
1712 | ||
d60d9f65 SS |
1713 | int |
1714 | rl_variable_bind (name, value) | |
9255ee31 | 1715 | const char *name, *value; |
d60d9f65 SS |
1716 | { |
1717 | register int i; | |
1b17e766 | 1718 | int v; |
d60d9f65 SS |
1719 | |
1720 | /* Check for simple variables first. */ | |
1b17e766 EZ |
1721 | i = find_boolean_var (name); |
1722 | if (i >= 0) | |
d60d9f65 | 1723 | { |
1b17e766 EZ |
1724 | *boolean_varlist[i].value = bool_to_int (value); |
1725 | if (boolean_varlist[i].flags & V_SPECIAL) | |
1726 | hack_special_boolean_var (i); | |
1727 | return 0; | |
d60d9f65 SS |
1728 | } |
1729 | ||
1b17e766 EZ |
1730 | i = find_string_var (name); |
1731 | ||
775e241e TT |
1732 | /* For the time being, string names without a handler function are simply |
1733 | ignored. */ | |
1b17e766 | 1734 | if (i < 0 || string_varlist[i].set_func == 0) |
775e241e TT |
1735 | { |
1736 | if (i < 0) | |
1737 | _rl_init_file_error ("%s: unknown variable name", name); | |
1738 | return 0; | |
1739 | } | |
d60d9f65 | 1740 | |
1b17e766 EZ |
1741 | v = (*string_varlist[i].set_func) (value); |
1742 | return v; | |
1743 | } | |
1744 | ||
1745 | static int | |
1746 | sv_editmode (value) | |
9255ee31 | 1747 | const char *value; |
1b17e766 EZ |
1748 | { |
1749 | if (_rl_strnicmp (value, "vi", 2) == 0) | |
d60d9f65 | 1750 | { |
d60d9f65 | 1751 | #if defined (VI_MODE) |
1b17e766 EZ |
1752 | _rl_keymap = vi_insertion_keymap; |
1753 | rl_editing_mode = vi_mode; | |
d60d9f65 | 1754 | #endif /* VI_MODE */ |
1b17e766 | 1755 | return 0; |
d60d9f65 | 1756 | } |
1b17e766 | 1757 | else if (_rl_strnicmp (value, "emacs", 5) == 0) |
d60d9f65 | 1758 | { |
1b17e766 EZ |
1759 | _rl_keymap = emacs_standard_keymap; |
1760 | rl_editing_mode = emacs_mode; | |
1761 | return 0; | |
d60d9f65 | 1762 | } |
1b17e766 EZ |
1763 | return 1; |
1764 | } | |
1765 | ||
1766 | static int | |
1767 | sv_combegin (value) | |
9255ee31 | 1768 | const char *value; |
1b17e766 EZ |
1769 | { |
1770 | if (value && *value) | |
d60d9f65 | 1771 | { |
1b17e766 EZ |
1772 | FREE (_rl_comment_begin); |
1773 | _rl_comment_begin = savestring (value); | |
1774 | return 0; | |
d60d9f65 | 1775 | } |
1b17e766 EZ |
1776 | return 1; |
1777 | } | |
1778 | ||
cc88a640 JK |
1779 | static int |
1780 | sv_dispprefix (value) | |
1781 | const char *value; | |
1782 | { | |
1783 | int nval = 0; | |
1784 | ||
1785 | if (value && *value) | |
1786 | { | |
1787 | nval = atoi (value); | |
1788 | if (nval < 0) | |
1789 | nval = 0; | |
1790 | } | |
1791 | _rl_completion_prefix_display_length = nval; | |
1792 | return 0; | |
1793 | } | |
1794 | ||
1b17e766 EZ |
1795 | static int |
1796 | sv_compquery (value) | |
9255ee31 | 1797 | const char *value; |
1b17e766 EZ |
1798 | { |
1799 | int nval = 100; | |
1800 | ||
1801 | if (value && *value) | |
d60d9f65 | 1802 | { |
1b17e766 EZ |
1803 | nval = atoi (value); |
1804 | if (nval < 0) | |
1805 | nval = 0; | |
d60d9f65 | 1806 | } |
1b17e766 EZ |
1807 | rl_completion_query_items = nval; |
1808 | return 0; | |
1809 | } | |
1810 | ||
cc88a640 JK |
1811 | static int |
1812 | sv_compwidth (value) | |
1813 | const char *value; | |
1814 | { | |
1815 | int nval = -1; | |
1816 | ||
1817 | if (value && *value) | |
1818 | nval = atoi (value); | |
1819 | ||
1820 | _rl_completion_columns = nval; | |
1821 | return 0; | |
1822 | } | |
1823 | ||
1824 | static int | |
1825 | sv_histsize (value) | |
1826 | const char *value; | |
1827 | { | |
775e241e | 1828 | int nval; |
cc88a640 | 1829 | |
775e241e | 1830 | nval = 500; |
cc88a640 JK |
1831 | if (value && *value) |
1832 | { | |
1833 | nval = atoi (value); | |
1834 | if (nval < 0) | |
775e241e TT |
1835 | { |
1836 | unstifle_history (); | |
1837 | return 0; | |
1838 | } | |
cc88a640 JK |
1839 | } |
1840 | stifle_history (nval); | |
1841 | return 0; | |
1842 | } | |
1843 | ||
1b17e766 EZ |
1844 | static int |
1845 | sv_keymap (value) | |
9255ee31 | 1846 | const char *value; |
1b17e766 EZ |
1847 | { |
1848 | Keymap kmap; | |
1849 | ||
1850 | kmap = rl_get_keymap_by_name (value); | |
1851 | if (kmap) | |
d60d9f65 | 1852 | { |
1b17e766 EZ |
1853 | rl_set_keymap (kmap); |
1854 | return 0; | |
d60d9f65 | 1855 | } |
1b17e766 EZ |
1856 | return 1; |
1857 | } | |
1858 | ||
775e241e TT |
1859 | static int |
1860 | sv_seqtimeout (value) | |
1861 | const char *value; | |
1862 | { | |
1863 | int nval; | |
1864 | ||
1865 | nval = 0; | |
1866 | if (value && *value) | |
1867 | { | |
1868 | nval = atoi (value); | |
1869 | if (nval < 0) | |
1870 | nval = 0; | |
1871 | } | |
1872 | _rl_keyseq_timeout = nval; | |
1873 | return 0; | |
1874 | } | |
1875 | ||
1b17e766 EZ |
1876 | static int |
1877 | sv_bell_style (value) | |
9255ee31 | 1878 | const char *value; |
1b17e766 EZ |
1879 | { |
1880 | if (value == 0 || *value == '\0') | |
9255ee31 | 1881 | _rl_bell_preference = AUDIBLE_BELL; |
1b17e766 | 1882 | else if (_rl_stricmp (value, "none") == 0 || _rl_stricmp (value, "off") == 0) |
9255ee31 | 1883 | _rl_bell_preference = NO_BELL; |
1b17e766 | 1884 | else if (_rl_stricmp (value, "audible") == 0 || _rl_stricmp (value, "on") == 0) |
9255ee31 | 1885 | _rl_bell_preference = AUDIBLE_BELL; |
1b17e766 | 1886 | else if (_rl_stricmp (value, "visible") == 0) |
9255ee31 | 1887 | _rl_bell_preference = VISIBLE_BELL; |
1b17e766 EZ |
1888 | else |
1889 | return 1; | |
9255ee31 | 1890 | return 0; |
1b17e766 | 1891 | } |
1b17e766 EZ |
1892 | |
1893 | static int | |
1894 | sv_isrchterm (value) | |
9255ee31 | 1895 | const char *value; |
1b17e766 EZ |
1896 | { |
1897 | int beg, end, delim; | |
1898 | char *v; | |
1899 | ||
1900 | if (value == 0) | |
1901 | return 1; | |
1902 | ||
1903 | /* Isolate the value and translate it into a character string. */ | |
1904 | v = savestring (value); | |
1905 | FREE (_rl_isearch_terminators); | |
1906 | if (v[0] == '"' || v[0] == '\'') | |
d60d9f65 | 1907 | { |
1b17e766 EZ |
1908 | delim = v[0]; |
1909 | for (beg = end = 1; v[end] && v[end] != delim; end++) | |
1910 | ; | |
d60d9f65 | 1911 | } |
1b17e766 | 1912 | else |
c862e87b | 1913 | { |
775e241e | 1914 | for (beg = end = 0; v[end] && whitespace (v[end]) == 0; end++) |
1b17e766 EZ |
1915 | ; |
1916 | } | |
d60d9f65 | 1917 | |
1b17e766 | 1918 | v[end] = '\0'; |
c862e87b | 1919 | |
1b17e766 | 1920 | /* The value starts at v + beg. Translate it into a character string. */ |
9255ee31 | 1921 | _rl_isearch_terminators = (char *)xmalloc (2 * strlen (v) + 1); |
1b17e766 EZ |
1922 | rl_translate_keyseq (v + beg, _rl_isearch_terminators, &end); |
1923 | _rl_isearch_terminators[end] = '\0'; | |
1924 | ||
cc88a640 | 1925 | xfree (v); |
d60d9f65 SS |
1926 | return 0; |
1927 | } | |
775e241e TT |
1928 | |
1929 | extern char *_rl_emacs_mode_str; | |
1930 | ||
1931 | static int | |
1932 | sv_emacs_modestr (value) | |
1933 | const char *value; | |
1934 | { | |
1935 | if (value && *value) | |
1936 | { | |
1937 | FREE (_rl_emacs_mode_str); | |
1938 | _rl_emacs_mode_str = (char *)xmalloc (2 * strlen (value) + 1); | |
1939 | rl_translate_keyseq (value, _rl_emacs_mode_str, &_rl_emacs_modestr_len); | |
1940 | _rl_emacs_mode_str[_rl_emacs_modestr_len] = '\0'; | |
1941 | return 0; | |
1942 | } | |
1943 | else if (value) | |
1944 | { | |
1945 | FREE (_rl_emacs_mode_str); | |
1946 | _rl_emacs_mode_str = (char *)xmalloc (1); | |
1947 | _rl_emacs_mode_str[_rl_emacs_modestr_len = 0] = '\0'; | |
1948 | return 0; | |
1949 | } | |
1950 | else if (value == 0) | |
1951 | { | |
1952 | FREE (_rl_emacs_mode_str); | |
1953 | _rl_emacs_mode_str = 0; /* prompt_modestr does the right thing */ | |
1954 | _rl_emacs_modestr_len = 0; | |
1955 | return 0; | |
1956 | } | |
1957 | return 1; | |
1958 | } | |
1959 | ||
1960 | static int | |
1961 | sv_viins_modestr (value) | |
1962 | const char *value; | |
1963 | { | |
1964 | if (value && *value) | |
1965 | { | |
1966 | FREE (_rl_vi_ins_mode_str); | |
1967 | _rl_vi_ins_mode_str = (char *)xmalloc (2 * strlen (value) + 1); | |
1968 | rl_translate_keyseq (value, _rl_vi_ins_mode_str, &_rl_vi_ins_modestr_len); | |
1969 | _rl_vi_ins_mode_str[_rl_vi_ins_modestr_len] = '\0'; | |
1970 | return 0; | |
1971 | } | |
1972 | else if (value) | |
1973 | { | |
1974 | FREE (_rl_vi_ins_mode_str); | |
1975 | _rl_vi_ins_mode_str = (char *)xmalloc (1); | |
1976 | _rl_vi_ins_mode_str[_rl_vi_ins_modestr_len = 0] = '\0'; | |
1977 | return 0; | |
1978 | } | |
1979 | else if (value == 0) | |
1980 | { | |
1981 | FREE (_rl_vi_ins_mode_str); | |
1982 | _rl_vi_ins_mode_str = 0; /* prompt_modestr does the right thing */ | |
1983 | _rl_vi_ins_modestr_len = 0; | |
1984 | return 0; | |
1985 | } | |
1986 | return 1; | |
1987 | } | |
1988 | ||
1989 | static int | |
1990 | sv_vicmd_modestr (value) | |
1991 | const char *value; | |
1992 | { | |
1993 | if (value && *value) | |
1994 | { | |
1995 | FREE (_rl_vi_cmd_mode_str); | |
1996 | _rl_vi_cmd_mode_str = (char *)xmalloc (2 * strlen (value) + 1); | |
1997 | rl_translate_keyseq (value, _rl_vi_cmd_mode_str, &_rl_vi_cmd_modestr_len); | |
1998 | _rl_vi_cmd_mode_str[_rl_vi_cmd_modestr_len] = '\0'; | |
1999 | return 0; | |
2000 | } | |
2001 | else if (value) | |
2002 | { | |
2003 | FREE (_rl_vi_cmd_mode_str); | |
2004 | _rl_vi_cmd_mode_str = (char *)xmalloc (1); | |
2005 | _rl_vi_cmd_mode_str[_rl_vi_cmd_modestr_len = 0] = '\0'; | |
2006 | return 0; | |
2007 | } | |
2008 | else if (value == 0) | |
2009 | { | |
2010 | FREE (_rl_vi_cmd_mode_str); | |
2011 | _rl_vi_cmd_mode_str = 0; /* prompt_modestr does the right thing */ | |
2012 | _rl_vi_cmd_modestr_len = 0; | |
2013 | return 0; | |
2014 | } | |
2015 | return 1; | |
2016 | } | |
2017 | ||
d60d9f65 SS |
2018 | /* Return the character which matches NAME. |
2019 | For example, `Space' returns ' '. */ | |
2020 | ||
2021 | typedef struct { | |
cc88a640 | 2022 | const char * const name; |
d60d9f65 SS |
2023 | int value; |
2024 | } assoc_list; | |
2025 | ||
cc88a640 | 2026 | static const assoc_list name_key_alist[] = { |
d60d9f65 SS |
2027 | { "DEL", 0x7f }, |
2028 | { "ESC", '\033' }, | |
2029 | { "Escape", '\033' }, | |
2030 | { "LFD", '\n' }, | |
2031 | { "Newline", '\n' }, | |
2032 | { "RET", '\r' }, | |
2033 | { "Return", '\r' }, | |
2034 | { "Rubout", 0x7f }, | |
2035 | { "SPC", ' ' }, | |
2036 | { "Space", ' ' }, | |
2037 | { "Tab", 0x09 }, | |
2038 | { (char *)0x0, 0 } | |
2039 | }; | |
2040 | ||
2041 | static int | |
2042 | glean_key_from_name (name) | |
2043 | char *name; | |
2044 | { | |
2045 | register int i; | |
2046 | ||
2047 | for (i = 0; name_key_alist[i].name; i++) | |
2048 | if (_rl_stricmp (name, name_key_alist[i].name) == 0) | |
2049 | return (name_key_alist[i].value); | |
2050 | ||
2051 | return (*(unsigned char *)name); /* XXX was return (*name) */ | |
2052 | } | |
2053 | ||
2054 | /* Auxiliary functions to manage keymaps. */ | |
cc88a640 JK |
2055 | static const struct { |
2056 | const char * const name; | |
d60d9f65 SS |
2057 | Keymap map; |
2058 | } keymap_names[] = { | |
2059 | { "emacs", emacs_standard_keymap }, | |
2060 | { "emacs-standard", emacs_standard_keymap }, | |
2061 | { "emacs-meta", emacs_meta_keymap }, | |
2062 | { "emacs-ctlx", emacs_ctlx_keymap }, | |
2063 | #if defined (VI_MODE) | |
2064 | { "vi", vi_movement_keymap }, | |
2065 | { "vi-move", vi_movement_keymap }, | |
2066 | { "vi-command", vi_movement_keymap }, | |
2067 | { "vi-insert", vi_insertion_keymap }, | |
2068 | #endif /* VI_MODE */ | |
2069 | { (char *)0x0, (Keymap)0x0 } | |
2070 | }; | |
2071 | ||
2072 | Keymap | |
2073 | rl_get_keymap_by_name (name) | |
9255ee31 | 2074 | const char *name; |
d60d9f65 SS |
2075 | { |
2076 | register int i; | |
2077 | ||
2078 | for (i = 0; keymap_names[i].name; i++) | |
9255ee31 | 2079 | if (_rl_stricmp (name, keymap_names[i].name) == 0) |
d60d9f65 SS |
2080 | return (keymap_names[i].map); |
2081 | return ((Keymap) NULL); | |
2082 | } | |
2083 | ||
2084 | char * | |
2085 | rl_get_keymap_name (map) | |
2086 | Keymap map; | |
2087 | { | |
2088 | register int i; | |
2089 | for (i = 0; keymap_names[i].name; i++) | |
2090 | if (map == keymap_names[i].map) | |
9255ee31 | 2091 | return ((char *)keymap_names[i].name); |
d60d9f65 SS |
2092 | return ((char *)NULL); |
2093 | } | |
2094 | ||
2095 | void | |
2096 | rl_set_keymap (map) | |
2097 | Keymap map; | |
2098 | { | |
2099 | if (map) | |
2100 | _rl_keymap = map; | |
2101 | } | |
2102 | ||
2103 | Keymap | |
2104 | rl_get_keymap () | |
2105 | { | |
2106 | return (_rl_keymap); | |
2107 | } | |
2108 | ||
2109 | void | |
2110 | rl_set_keymap_from_edit_mode () | |
2111 | { | |
2112 | if (rl_editing_mode == emacs_mode) | |
2113 | _rl_keymap = emacs_standard_keymap; | |
2114 | #if defined (VI_MODE) | |
2115 | else if (rl_editing_mode == vi_mode) | |
2116 | _rl_keymap = vi_insertion_keymap; | |
2117 | #endif /* VI_MODE */ | |
2118 | } | |
2119 | ||
2120 | char * | |
2121 | rl_get_keymap_name_from_edit_mode () | |
2122 | { | |
2123 | if (rl_editing_mode == emacs_mode) | |
2124 | return "emacs"; | |
2125 | #if defined (VI_MODE) | |
2126 | else if (rl_editing_mode == vi_mode) | |
2127 | return "vi"; | |
2128 | #endif /* VI_MODE */ | |
2129 | else | |
2130 | return "none"; | |
2131 | } | |
2132 | ||
2133 | /* **************************************************************** */ | |
2134 | /* */ | |
2135 | /* Key Binding and Function Information */ | |
2136 | /* */ | |
2137 | /* **************************************************************** */ | |
2138 | ||
2139 | /* Each of the following functions produces information about the | |
2140 | state of keybindings and functions known to Readline. The info | |
2141 | is always printed to rl_outstream, and in such a way that it can | |
5bdf8622 | 2142 | be read back in (i.e., passed to rl_parse_and_bind ()). */ |
d60d9f65 SS |
2143 | |
2144 | /* Print the names of functions known to Readline. */ | |
2145 | void | |
2146 | rl_list_funmap_names () | |
2147 | { | |
2148 | register int i; | |
9255ee31 | 2149 | const char **funmap_names; |
d60d9f65 SS |
2150 | |
2151 | funmap_names = rl_funmap_names (); | |
2152 | ||
2153 | if (!funmap_names) | |
2154 | return; | |
2155 | ||
2156 | for (i = 0; funmap_names[i]; i++) | |
2157 | fprintf (rl_outstream, "%s\n", funmap_names[i]); | |
2158 | ||
cc88a640 | 2159 | xfree (funmap_names); |
d60d9f65 SS |
2160 | } |
2161 | ||
2162 | static char * | |
2163 | _rl_get_keyname (key) | |
2164 | int key; | |
2165 | { | |
2166 | char *keyname; | |
c862e87b | 2167 | int i, c; |
d60d9f65 SS |
2168 | |
2169 | keyname = (char *)xmalloc (8); | |
2170 | ||
2171 | c = key; | |
2172 | /* Since this is going to be used to write out keysequence-function | |
2173 | pairs for possible inclusion in an inputrc file, we don't want to | |
2174 | do any special meta processing on KEY. */ | |
2175 | ||
9255ee31 EZ |
2176 | #if 1 |
2177 | /* XXX - Experimental */ | |
d60d9f65 SS |
2178 | /* We might want to do this, but the old version of the code did not. */ |
2179 | ||
2180 | /* If this is an escape character, we don't want to do any more processing. | |
2181 | Just add the special ESC key sequence and return. */ | |
2182 | if (c == ESC) | |
2183 | { | |
9255ee31 EZ |
2184 | keyname[0] = '\\'; |
2185 | keyname[1] = 'e'; | |
2186 | keyname[2] = '\0'; | |
2187 | return keyname; | |
d60d9f65 SS |
2188 | } |
2189 | #endif | |
2190 | ||
2191 | /* RUBOUT is translated directly into \C-? */ | |
2192 | if (key == RUBOUT) | |
2193 | { | |
2194 | keyname[0] = '\\'; | |
2195 | keyname[1] = 'C'; | |
2196 | keyname[2] = '-'; | |
2197 | keyname[3] = '?'; | |
2198 | keyname[4] = '\0'; | |
2199 | return keyname; | |
2200 | } | |
2201 | ||
2202 | i = 0; | |
2203 | /* Now add special prefixes needed for control characters. This can | |
2204 | potentially change C. */ | |
2205 | if (CTRL_CHAR (c)) | |
2206 | { | |
2207 | keyname[i++] = '\\'; | |
2208 | keyname[i++] = 'C'; | |
2209 | keyname[i++] = '-'; | |
2210 | c = _rl_to_lower (UNCTRL (c)); | |
2211 | } | |
2212 | ||
2213 | /* XXX experimental code. Turn the characters that are not ASCII or | |
2214 | ISO Latin 1 (128 - 159) into octal escape sequences (\200 - \237). | |
2215 | This changes C. */ | |
2216 | if (c >= 128 && c <= 159) | |
2217 | { | |
2218 | keyname[i++] = '\\'; | |
2219 | keyname[i++] = '2'; | |
2220 | c -= 128; | |
2221 | keyname[i++] = (c / 8) + '0'; | |
2222 | c = (c % 8) + '0'; | |
2223 | } | |
2224 | ||
2225 | /* Now, if the character needs to be quoted with a backslash, do that. */ | |
2226 | if (c == '\\' || c == '"') | |
2227 | keyname[i++] = '\\'; | |
2228 | ||
2229 | /* Now add the key, terminate the string, and return it. */ | |
2230 | keyname[i++] = (char) c; | |
2231 | keyname[i] = '\0'; | |
2232 | ||
2233 | return keyname; | |
2234 | } | |
2235 | ||
2236 | /* Return a NULL terminated array of strings which represent the key | |
2237 | sequences that are used to invoke FUNCTION in MAP. */ | |
2238 | char ** | |
2239 | rl_invoking_keyseqs_in_map (function, map) | |
9255ee31 | 2240 | rl_command_func_t *function; |
d60d9f65 SS |
2241 | Keymap map; |
2242 | { | |
2243 | register int key; | |
2244 | char **result; | |
2245 | int result_index, result_size; | |
2246 | ||
2247 | result = (char **)NULL; | |
2248 | result_index = result_size = 0; | |
2249 | ||
2250 | for (key = 0; key < KEYMAP_SIZE; key++) | |
2251 | { | |
2252 | switch (map[key].type) | |
2253 | { | |
2254 | case ISMACR: | |
2255 | /* Macros match, if, and only if, the pointers are identical. | |
2256 | Thus, they are treated exactly like functions in here. */ | |
2257 | case ISFUNC: | |
2258 | /* If the function in the keymap is the one we are looking for, | |
2259 | then add the current KEY to the list of invoking keys. */ | |
2260 | if (map[key].function == function) | |
2261 | { | |
2262 | char *keyname; | |
2263 | ||
2264 | keyname = _rl_get_keyname (key); | |
2265 | ||
2266 | if (result_index + 2 > result_size) | |
2267 | { | |
2268 | result_size += 10; | |
9255ee31 | 2269 | result = (char **)xrealloc (result, result_size * sizeof (char *)); |
d60d9f65 SS |
2270 | } |
2271 | ||
2272 | result[result_index++] = keyname; | |
2273 | result[result_index] = (char *)NULL; | |
2274 | } | |
2275 | break; | |
2276 | ||
2277 | case ISKMAP: | |
2278 | { | |
2279 | char **seqs; | |
2280 | register int i; | |
2281 | ||
2282 | /* Find the list of keyseqs in this map which have FUNCTION as | |
2283 | their target. Add the key sequences found to RESULT. */ | |
2284 | if (map[key].function) | |
2285 | seqs = | |
2286 | rl_invoking_keyseqs_in_map (function, FUNCTION_TO_KEYMAP (map, key)); | |
2287 | else | |
2288 | break; | |
2289 | ||
2290 | if (seqs == 0) | |
2291 | break; | |
2292 | ||
2293 | for (i = 0; seqs[i]; i++) | |
2294 | { | |
2295 | char *keyname = (char *)xmalloc (6 + strlen (seqs[i])); | |
2296 | ||
2297 | if (key == ESC) | |
cc88a640 JK |
2298 | { |
2299 | /* If ESC is the meta prefix and we're converting chars | |
2300 | with the eighth bit set to ESC-prefixed sequences, then | |
2301 | we can use \M-. Otherwise we need to use the sequence | |
2302 | for ESC. */ | |
2303 | if (_rl_convert_meta_chars_to_ascii && map[ESC].type == ISKMAP) | |
2304 | sprintf (keyname, "\\M-"); | |
2305 | else | |
2306 | sprintf (keyname, "\\e"); | |
2307 | } | |
d60d9f65 SS |
2308 | else if (CTRL_CHAR (key)) |
2309 | sprintf (keyname, "\\C-%c", _rl_to_lower (UNCTRL (key))); | |
2310 | else if (key == RUBOUT) | |
2311 | sprintf (keyname, "\\C-?"); | |
2312 | else if (key == '\\' || key == '"') | |
2313 | { | |
2314 | keyname[0] = '\\'; | |
2315 | keyname[1] = (char) key; | |
2316 | keyname[2] = '\0'; | |
2317 | } | |
2318 | else | |
2319 | { | |
2320 | keyname[0] = (char) key; | |
2321 | keyname[1] = '\0'; | |
2322 | } | |
2323 | ||
2324 | strcat (keyname, seqs[i]); | |
cc88a640 | 2325 | xfree (seqs[i]); |
d60d9f65 SS |
2326 | |
2327 | if (result_index + 2 > result_size) | |
2328 | { | |
2329 | result_size += 10; | |
9255ee31 | 2330 | result = (char **)xrealloc (result, result_size * sizeof (char *)); |
d60d9f65 SS |
2331 | } |
2332 | ||
2333 | result[result_index++] = keyname; | |
2334 | result[result_index] = (char *)NULL; | |
2335 | } | |
2336 | ||
cc88a640 | 2337 | xfree (seqs); |
d60d9f65 SS |
2338 | } |
2339 | break; | |
2340 | } | |
2341 | } | |
2342 | return (result); | |
2343 | } | |
2344 | ||
2345 | /* Return a NULL terminated array of strings which represent the key | |
2346 | sequences that can be used to invoke FUNCTION using the current keymap. */ | |
2347 | char ** | |
2348 | rl_invoking_keyseqs (function) | |
9255ee31 | 2349 | rl_command_func_t *function; |
d60d9f65 SS |
2350 | { |
2351 | return (rl_invoking_keyseqs_in_map (function, _rl_keymap)); | |
2352 | } | |
2353 | ||
2354 | /* Print all of the functions and their bindings to rl_outstream. If | |
2355 | PRINT_READABLY is non-zero, then print the output in such a way | |
2356 | that it can be read back in. */ | |
2357 | void | |
2358 | rl_function_dumper (print_readably) | |
2359 | int print_readably; | |
2360 | { | |
2361 | register int i; | |
9255ee31 EZ |
2362 | const char **names; |
2363 | const char *name; | |
d60d9f65 SS |
2364 | |
2365 | names = rl_funmap_names (); | |
2366 | ||
2367 | fprintf (rl_outstream, "\n"); | |
2368 | ||
2369 | for (i = 0; name = names[i]; i++) | |
2370 | { | |
9255ee31 | 2371 | rl_command_func_t *function; |
d60d9f65 SS |
2372 | char **invokers; |
2373 | ||
2374 | function = rl_named_function (name); | |
2375 | invokers = rl_invoking_keyseqs_in_map (function, _rl_keymap); | |
2376 | ||
2377 | if (print_readably) | |
2378 | { | |
2379 | if (!invokers) | |
2380 | fprintf (rl_outstream, "# %s (not bound)\n", name); | |
2381 | else | |
2382 | { | |
2383 | register int j; | |
2384 | ||
2385 | for (j = 0; invokers[j]; j++) | |
2386 | { | |
2387 | fprintf (rl_outstream, "\"%s\": %s\n", | |
2388 | invokers[j], name); | |
cc88a640 | 2389 | xfree (invokers[j]); |
d60d9f65 SS |
2390 | } |
2391 | ||
cc88a640 | 2392 | xfree (invokers); |
d60d9f65 SS |
2393 | } |
2394 | } | |
2395 | else | |
2396 | { | |
2397 | if (!invokers) | |
2398 | fprintf (rl_outstream, "%s is not bound to any keys\n", | |
2399 | name); | |
2400 | else | |
2401 | { | |
2402 | register int j; | |
2403 | ||
2404 | fprintf (rl_outstream, "%s can be found on ", name); | |
2405 | ||
2406 | for (j = 0; invokers[j] && j < 5; j++) | |
2407 | { | |
2408 | fprintf (rl_outstream, "\"%s\"%s", invokers[j], | |
2409 | invokers[j + 1] ? ", " : ".\n"); | |
2410 | } | |
2411 | ||
2412 | if (j == 5 && invokers[j]) | |
2413 | fprintf (rl_outstream, "...\n"); | |
2414 | ||
2415 | for (j = 0; invokers[j]; j++) | |
cc88a640 | 2416 | xfree (invokers[j]); |
d60d9f65 | 2417 | |
cc88a640 | 2418 | xfree (invokers); |
d60d9f65 SS |
2419 | } |
2420 | } | |
2421 | } | |
775e241e TT |
2422 | |
2423 | xfree (names); | |
d60d9f65 SS |
2424 | } |
2425 | ||
2426 | /* Print all of the current functions and their bindings to | |
2427 | rl_outstream. If an explicit argument is given, then print | |
2428 | the output in such a way that it can be read back in. */ | |
2429 | int | |
2430 | rl_dump_functions (count, key) | |
2431 | int count, key; | |
2432 | { | |
2433 | if (rl_dispatching) | |
2434 | fprintf (rl_outstream, "\r\n"); | |
2435 | rl_function_dumper (rl_explicit_arg); | |
2436 | rl_on_new_line (); | |
2437 | return (0); | |
2438 | } | |
2439 | ||
2440 | static void | |
2441 | _rl_macro_dumper_internal (print_readably, map, prefix) | |
2442 | int print_readably; | |
2443 | Keymap map; | |
2444 | char *prefix; | |
2445 | { | |
2446 | register int key; | |
2447 | char *keyname, *out; | |
2448 | int prefix_len; | |
2449 | ||
2450 | for (key = 0; key < KEYMAP_SIZE; key++) | |
2451 | { | |
2452 | switch (map[key].type) | |
2453 | { | |
2454 | case ISMACR: | |
2455 | keyname = _rl_get_keyname (key); | |
775e241e | 2456 | out = _rl_untranslate_macro_value ((char *)map[key].function, 0); |
9255ee31 | 2457 | |
d60d9f65 SS |
2458 | if (print_readably) |
2459 | fprintf (rl_outstream, "\"%s%s\": \"%s\"\n", prefix ? prefix : "", | |
2460 | keyname, | |
2461 | out ? out : ""); | |
2462 | else | |
2463 | fprintf (rl_outstream, "%s%s outputs %s\n", prefix ? prefix : "", | |
2464 | keyname, | |
2465 | out ? out : ""); | |
cc88a640 JK |
2466 | xfree (keyname); |
2467 | xfree (out); | |
d60d9f65 SS |
2468 | break; |
2469 | case ISFUNC: | |
2470 | break; | |
2471 | case ISKMAP: | |
2472 | prefix_len = prefix ? strlen (prefix) : 0; | |
2473 | if (key == ESC) | |
2474 | { | |
9255ee31 | 2475 | keyname = (char *)xmalloc (3 + prefix_len); |
d60d9f65 SS |
2476 | if (prefix) |
2477 | strcpy (keyname, prefix); | |
2478 | keyname[prefix_len] = '\\'; | |
2479 | keyname[prefix_len + 1] = 'e'; | |
2480 | keyname[prefix_len + 2] = '\0'; | |
2481 | } | |
2482 | else | |
2483 | { | |
2484 | keyname = _rl_get_keyname (key); | |
2485 | if (prefix) | |
2486 | { | |
9255ee31 | 2487 | out = (char *)xmalloc (strlen (keyname) + prefix_len + 1); |
d60d9f65 SS |
2488 | strcpy (out, prefix); |
2489 | strcpy (out + prefix_len, keyname); | |
cc88a640 | 2490 | xfree (keyname); |
d60d9f65 SS |
2491 | keyname = out; |
2492 | } | |
2493 | } | |
2494 | ||
2495 | _rl_macro_dumper_internal (print_readably, FUNCTION_TO_KEYMAP (map, key), keyname); | |
cc88a640 | 2496 | xfree (keyname); |
d60d9f65 SS |
2497 | break; |
2498 | } | |
2499 | } | |
2500 | } | |
2501 | ||
2502 | void | |
2503 | rl_macro_dumper (print_readably) | |
2504 | int print_readably; | |
2505 | { | |
2506 | _rl_macro_dumper_internal (print_readably, _rl_keymap, (char *)NULL); | |
2507 | } | |
2508 | ||
2509 | int | |
2510 | rl_dump_macros (count, key) | |
2511 | int count, key; | |
2512 | { | |
2513 | if (rl_dispatching) | |
2514 | fprintf (rl_outstream, "\r\n"); | |
2515 | rl_macro_dumper (rl_explicit_arg); | |
2516 | rl_on_new_line (); | |
2517 | return (0); | |
2518 | } | |
2519 | ||
5bdf8622 DJ |
2520 | static char * |
2521 | _rl_get_string_variable_value (name) | |
2522 | const char *name; | |
2523 | { | |
2524 | static char numbuf[32]; | |
2525 | char *ret; | |
5bdf8622 DJ |
2526 | |
2527 | if (_rl_stricmp (name, "bell-style") == 0) | |
2528 | { | |
2529 | switch (_rl_bell_preference) | |
2530 | { | |
2531 | case NO_BELL: | |
2532 | return "none"; | |
2533 | case VISIBLE_BELL: | |
2534 | return "visible"; | |
2535 | case AUDIBLE_BELL: | |
2536 | default: | |
2537 | return "audible"; | |
2538 | } | |
2539 | } | |
2540 | else if (_rl_stricmp (name, "comment-begin") == 0) | |
2541 | return (_rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT); | |
cc88a640 JK |
2542 | else if (_rl_stricmp (name, "completion-display-width") == 0) |
2543 | { | |
2544 | sprintf (numbuf, "%d", _rl_completion_columns); | |
2545 | return (numbuf); | |
2546 | } | |
2547 | else if (_rl_stricmp (name, "completion-prefix-display-length") == 0) | |
2548 | { | |
2549 | sprintf (numbuf, "%d", _rl_completion_prefix_display_length); | |
2550 | return (numbuf); | |
2551 | } | |
5bdf8622 DJ |
2552 | else if (_rl_stricmp (name, "completion-query-items") == 0) |
2553 | { | |
2554 | sprintf (numbuf, "%d", rl_completion_query_items); | |
2555 | return (numbuf); | |
2556 | } | |
2557 | else if (_rl_stricmp (name, "editing-mode") == 0) | |
2558 | return (rl_get_keymap_name_from_edit_mode ()); | |
cc88a640 JK |
2559 | else if (_rl_stricmp (name, "history-size") == 0) |
2560 | { | |
2561 | sprintf (numbuf, "%d", history_is_stifled() ? history_max_entries : 0); | |
2562 | return (numbuf); | |
2563 | } | |
5bdf8622 DJ |
2564 | else if (_rl_stricmp (name, "isearch-terminators") == 0) |
2565 | { | |
2566 | if (_rl_isearch_terminators == 0) | |
2567 | return 0; | |
775e241e | 2568 | ret = _rl_untranslate_macro_value (_rl_isearch_terminators, 0); |
5bdf8622 DJ |
2569 | if (ret) |
2570 | { | |
2571 | strncpy (numbuf, ret, sizeof (numbuf) - 1); | |
cc88a640 | 2572 | xfree (ret); |
5bdf8622 DJ |
2573 | numbuf[sizeof(numbuf) - 1] = '\0'; |
2574 | } | |
2575 | else | |
2576 | numbuf[0] = '\0'; | |
2577 | return numbuf; | |
2578 | } | |
2579 | else if (_rl_stricmp (name, "keymap") == 0) | |
2580 | { | |
2581 | ret = rl_get_keymap_name (_rl_keymap); | |
2582 | if (ret == 0) | |
2583 | ret = rl_get_keymap_name_from_edit_mode (); | |
2584 | return (ret ? ret : "none"); | |
2585 | } | |
775e241e TT |
2586 | else if (_rl_stricmp (name, "keyseq-timeout") == 0) |
2587 | { | |
2588 | sprintf (numbuf, "%d", _rl_keyseq_timeout); | |
2589 | return (numbuf); | |
2590 | } | |
2591 | else if (_rl_stricmp (name, "emacs-mode-string") == 0) | |
2592 | return (_rl_emacs_mode_str ? _rl_emacs_mode_str : RL_EMACS_MODESTR_DEFAULT); | |
2593 | else if (_rl_stricmp (name, "vi-cmd-mode-string") == 0) | |
2594 | return (_rl_vi_cmd_mode_str ? _rl_vi_cmd_mode_str : RL_VI_CMD_MODESTR_DEFAULT); | |
2595 | else if (_rl_stricmp (name, "vi-ins-mode-string") == 0) | |
2596 | return (_rl_vi_ins_mode_str ? _rl_vi_ins_mode_str : RL_VI_INS_MODESTR_DEFAULT); | |
5bdf8622 DJ |
2597 | else |
2598 | return (0); | |
2599 | } | |
2600 | ||
d60d9f65 SS |
2601 | void |
2602 | rl_variable_dumper (print_readably) | |
2603 | int print_readably; | |
2604 | { | |
2605 | int i; | |
5bdf8622 | 2606 | char *v; |
d60d9f65 SS |
2607 | |
2608 | for (i = 0; boolean_varlist[i].name; i++) | |
2609 | { | |
2610 | if (print_readably) | |
2611 | fprintf (rl_outstream, "set %s %s\n", boolean_varlist[i].name, | |
2612 | *boolean_varlist[i].value ? "on" : "off"); | |
2613 | else | |
2614 | fprintf (rl_outstream, "%s is set to `%s'\n", boolean_varlist[i].name, | |
2615 | *boolean_varlist[i].value ? "on" : "off"); | |
2616 | } | |
2617 | ||
5bdf8622 | 2618 | for (i = 0; string_varlist[i].name; i++) |
c862e87b | 2619 | { |
5bdf8622 DJ |
2620 | v = _rl_get_string_variable_value (string_varlist[i].name); |
2621 | if (v == 0) /* _rl_isearch_terminators can be NULL */ | |
2622 | continue; | |
c862e87b | 2623 | if (print_readably) |
5bdf8622 | 2624 | fprintf (rl_outstream, "set %s %s\n", string_varlist[i].name, v); |
c862e87b | 2625 | else |
5bdf8622 | 2626 | fprintf (rl_outstream, "%s is set to `%s'\n", string_varlist[i].name, v); |
c862e87b | 2627 | } |
d60d9f65 SS |
2628 | } |
2629 | ||
2630 | /* Print all of the current variables and their values to | |
2631 | rl_outstream. If an explicit argument is given, then print | |
2632 | the output in such a way that it can be read back in. */ | |
2633 | int | |
2634 | rl_dump_variables (count, key) | |
2635 | int count, key; | |
2636 | { | |
2637 | if (rl_dispatching) | |
2638 | fprintf (rl_outstream, "\r\n"); | |
2639 | rl_variable_dumper (rl_explicit_arg); | |
2640 | rl_on_new_line (); | |
2641 | return (0); | |
2642 | } | |
2643 | ||
d60d9f65 SS |
2644 | /* Return non-zero if any members of ARRAY are a substring in STRING. */ |
2645 | static int | |
2646 | substring_member_of_array (string, array) | |
cc88a640 JK |
2647 | const char *string; |
2648 | const char * const *array; | |
d60d9f65 SS |
2649 | { |
2650 | while (*array) | |
2651 | { | |
2652 | if (_rl_strindex (string, *array)) | |
2653 | return (1); | |
2654 | array++; | |
2655 | } | |
2656 | return (0); | |
2657 | } |