Commit | Line | Data |
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d60d9f65 SS |
1 | /* bind.c -- key binding and startup file support for the readline library. */ |
2 | ||
b4f26d54 | 3 | /* Copyright (C) 1987-2020 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 | ||
cb41b9e7 TT |
83 | static rl_command_func_t *_rl_function_of_keyseq_internal PARAMS((const char *, size_t, Keymap, int *)); |
84 | ||
9255ee31 | 85 | static char *_rl_read_file PARAMS((char *, size_t *)); |
9255ee31 EZ |
86 | static int _rl_read_init_file PARAMS((const char *, int)); |
87 | static int glean_key_from_name PARAMS((char *)); | |
775e241e | 88 | |
5bdf8622 | 89 | static int find_boolean_var PARAMS((const char *)); |
775e241e | 90 | static int find_string_var PARAMS((const char *)); |
5bdf8622 | 91 | |
cb41b9e7 TT |
92 | static const char *boolean_varname PARAMS((int)); |
93 | static const char *string_varname PARAMS((int)); | |
94 | ||
5bdf8622 | 95 | static char *_rl_get_string_variable_value PARAMS((const char *)); |
cc88a640 | 96 | static int substring_member_of_array PARAMS((const char *, const char * const *)); |
d60d9f65 | 97 | |
cb41b9e7 TT |
98 | static int _rl_get_keymap_by_name PARAMS((const char *)); |
99 | static int _rl_get_keymap_by_map PARAMS((Keymap)); | |
100 | ||
1b17e766 | 101 | static int currently_reading_init_file; |
d60d9f65 | 102 | |
1b17e766 EZ |
103 | /* used only in this file */ |
104 | static int _rl_prefer_visible_bell = 1; | |
d60d9f65 | 105 | |
cb41b9e7 TT |
106 | #define OP_EQ 1 |
107 | #define OP_NE 2 | |
108 | #define OP_GT 3 | |
109 | #define OP_GE 4 | |
110 | #define OP_LT 5 | |
111 | #define OP_LE 6 | |
112 | ||
113 | #define OPSTART(c) ((c) == '=' || (c) == '!' || (c) == '<' || (c) == '>') | |
114 | #define CMPSTART(c) ((c) == '=' || (c) == '!') | |
115 | ||
d60d9f65 SS |
116 | /* **************************************************************** */ |
117 | /* */ | |
118 | /* Binding keys */ | |
119 | /* */ | |
120 | /* **************************************************************** */ | |
121 | ||
9255ee31 | 122 | /* rl_add_defun (char *name, rl_command_func_t *function, int key) |
d60d9f65 SS |
123 | Add NAME to the list of named functions. Make FUNCTION be the function |
124 | that gets called. If KEY is not -1, then bind it. */ | |
125 | int | |
cb41b9e7 | 126 | rl_add_defun (const char *name, rl_command_func_t *function, int key) |
d60d9f65 SS |
127 | { |
128 | if (key != -1) | |
129 | rl_bind_key (key, function); | |
130 | rl_add_funmap_entry (name, function); | |
131 | return 0; | |
132 | } | |
133 | ||
134 | /* Bind KEY to FUNCTION. Returns non-zero if KEY is out of range. */ | |
135 | int | |
cb41b9e7 | 136 | rl_bind_key (int key, rl_command_func_t *function) |
d60d9f65 | 137 | { |
b4f26d54 | 138 | char keyseq[4]; |
775e241e TT |
139 | int l; |
140 | ||
b4f26d54 | 141 | if (key < 0 || key > largest_char) |
d60d9f65 SS |
142 | return (key); |
143 | ||
b4f26d54 | 144 | /* Want to make this a multi-character key sequence with an ESC prefix */ |
d60d9f65 SS |
145 | if (META_CHAR (key) && _rl_convert_meta_chars_to_ascii) |
146 | { | |
147 | if (_rl_keymap[ESC].type == ISKMAP) | |
148 | { | |
149 | Keymap escmap; | |
150 | ||
151 | escmap = FUNCTION_TO_KEYMAP (_rl_keymap, ESC); | |
152 | key = UNMETA (key); | |
153 | escmap[key].type = ISFUNC; | |
154 | escmap[key].function = function; | |
155 | return (0); | |
156 | } | |
b4f26d54 TT |
157 | |
158 | /* Otherwise, let's just let rl_generic_bind handle the key sequence. | |
159 | We start it off with ESC here and let the code below add the rest | |
160 | of the sequence. */ | |
161 | keyseq[0] = ESC; | |
162 | l = 1; | |
163 | key = UNMETA(key); | |
164 | goto bind_keyseq; | |
d60d9f65 SS |
165 | } |
166 | ||
775e241e TT |
167 | /* If it's bound to a function or macro, just overwrite. Otherwise we have |
168 | to treat it as a key sequence so rl_generic_bind handles shadow keymaps | |
b4f26d54 TT |
169 | for us. If we are binding '\' or \C-@ (NUL) make sure to escape it so |
170 | it makes it through the call to rl_translate_keyseq. */ | |
775e241e TT |
171 | if (_rl_keymap[key].type != ISKMAP) |
172 | { | |
b4f26d54 TT |
173 | if (_rl_keymap[key].type == ISMACR) |
174 | xfree ((char *)_rl_keymap[key].function); | |
775e241e TT |
175 | _rl_keymap[key].type = ISFUNC; |
176 | _rl_keymap[key].function = function; | |
177 | } | |
178 | else | |
179 | { | |
180 | l = 0; | |
b4f26d54 | 181 | bind_keyseq: |
775e241e | 182 | if (key == '\\') |
b4f26d54 TT |
183 | { |
184 | keyseq[l++] = '\\'; | |
185 | keyseq[l++] = '\\'; | |
186 | } | |
187 | else if (key == '\0') | |
188 | { | |
189 | keyseq[l++] = '\\'; | |
190 | keyseq[l++] = '0'; | |
191 | } | |
192 | else | |
193 | keyseq[l++] = key; | |
775e241e TT |
194 | keyseq[l] = '\0'; |
195 | rl_bind_keyseq (keyseq, function); | |
196 | } | |
d60d9f65 SS |
197 | rl_binding_keymap = _rl_keymap; |
198 | return (0); | |
199 | } | |
200 | ||
201 | /* Bind KEY to FUNCTION in MAP. Returns non-zero in case of invalid | |
202 | KEY. */ | |
203 | int | |
cb41b9e7 | 204 | rl_bind_key_in_map (int key, rl_command_func_t *function, Keymap map) |
d60d9f65 SS |
205 | { |
206 | int result; | |
207 | Keymap oldmap; | |
208 | ||
209 | oldmap = _rl_keymap; | |
210 | _rl_keymap = map; | |
211 | result = rl_bind_key (key, function); | |
212 | _rl_keymap = oldmap; | |
213 | return (result); | |
214 | } | |
215 | ||
5bdf8622 | 216 | /* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound. Right |
cb41b9e7 | 217 | now, this is always used to attempt to bind the arrow keys. */ |
5bdf8622 | 218 | int |
cb41b9e7 | 219 | rl_bind_key_if_unbound_in_map (int key, rl_command_func_t *default_func, Keymap kmap) |
5bdf8622 | 220 | { |
cb41b9e7 | 221 | char *keyseq; |
5bdf8622 | 222 | |
cb41b9e7 | 223 | keyseq = rl_untranslate_keyseq ((unsigned char)key); |
5bdf8622 DJ |
224 | return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, kmap)); |
225 | } | |
226 | ||
227 | int | |
cb41b9e7 | 228 | rl_bind_key_if_unbound (int key, rl_command_func_t *default_func) |
5bdf8622 | 229 | { |
cb41b9e7 | 230 | char *keyseq; |
5bdf8622 | 231 | |
cb41b9e7 | 232 | keyseq = rl_untranslate_keyseq ((unsigned char)key); |
5bdf8622 DJ |
233 | return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, _rl_keymap)); |
234 | } | |
235 | ||
d60d9f65 | 236 | /* Make KEY do nothing in the currently selected keymap. |
cb41b9e7 TT |
237 | Returns non-zero in case of error. This is not the same as self-insert; |
238 | this makes it a dead key. */ | |
d60d9f65 | 239 | int |
cb41b9e7 | 240 | rl_unbind_key (int key) |
d60d9f65 | 241 | { |
9255ee31 | 242 | return (rl_bind_key (key, (rl_command_func_t *)NULL)); |
d60d9f65 SS |
243 | } |
244 | ||
cb41b9e7 | 245 | /* Make KEY do nothing in MAP. Returns non-zero in case of error. */ |
d60d9f65 | 246 | int |
cb41b9e7 | 247 | rl_unbind_key_in_map (int key, Keymap map) |
d60d9f65 | 248 | { |
9255ee31 | 249 | return (rl_bind_key_in_map (key, (rl_command_func_t *)NULL, map)); |
d60d9f65 SS |
250 | } |
251 | ||
252 | /* Unbind all keys bound to FUNCTION in MAP. */ | |
253 | int | |
cb41b9e7 | 254 | rl_unbind_function_in_map (rl_command_func_t *func, Keymap map) |
d60d9f65 | 255 | { |
c862e87b | 256 | register int i, rval; |
d60d9f65 | 257 | |
c862e87b | 258 | for (i = rval = 0; i < KEYMAP_SIZE; i++) |
d60d9f65 SS |
259 | { |
260 | if (map[i].type == ISFUNC && map[i].function == func) | |
c862e87b | 261 | { |
9255ee31 | 262 | map[i].function = (rl_command_func_t *)NULL; |
c862e87b JM |
263 | rval = 1; |
264 | } | |
b4f26d54 TT |
265 | else if (map[i].type == ISKMAP) /* TAG:readline-8.1 */ |
266 | { | |
267 | int r; | |
268 | r = rl_unbind_function_in_map (func, FUNCTION_TO_KEYMAP (map, i)); | |
269 | if (r == 1) | |
270 | rval = 1; | |
271 | } | |
d60d9f65 | 272 | } |
c862e87b | 273 | return rval; |
d60d9f65 SS |
274 | } |
275 | ||
cb41b9e7 | 276 | /* Unbind all keys bound to COMMAND, which is a bindable command name, in MAP */ |
d60d9f65 | 277 | int |
cb41b9e7 | 278 | rl_unbind_command_in_map (const char *command, Keymap map) |
d60d9f65 | 279 | { |
9255ee31 | 280 | rl_command_func_t *func; |
d60d9f65 SS |
281 | |
282 | func = rl_named_function (command); | |
283 | if (func == 0) | |
284 | return 0; | |
285 | return (rl_unbind_function_in_map (func, map)); | |
286 | } | |
287 | ||
5bdf8622 DJ |
288 | /* Bind the key sequence represented by the string KEYSEQ to |
289 | FUNCTION, starting in the current keymap. This makes new | |
290 | keymaps as necessary. */ | |
291 | int | |
cb41b9e7 | 292 | rl_bind_keyseq (const char *keyseq, rl_command_func_t *function) |
5bdf8622 DJ |
293 | { |
294 | return (rl_generic_bind (ISFUNC, keyseq, (char *)function, _rl_keymap)); | |
295 | } | |
296 | ||
d60d9f65 SS |
297 | /* Bind the key sequence represented by the string KEYSEQ to |
298 | FUNCTION. This makes new keymaps as necessary. The initial | |
299 | place to do bindings is in MAP. */ | |
300 | int | |
cb41b9e7 | 301 | rl_bind_keyseq_in_map (const char *keyseq, rl_command_func_t *function, Keymap map) |
5bdf8622 DJ |
302 | { |
303 | return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map)); | |
304 | } | |
305 | ||
306 | /* Backwards compatibility; equivalent to rl_bind_keyseq_in_map() */ | |
307 | int | |
cb41b9e7 | 308 | rl_set_key (const char *keyseq, rl_command_func_t *function, Keymap map) |
d60d9f65 SS |
309 | { |
310 | return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map)); | |
311 | } | |
312 | ||
5bdf8622 DJ |
313 | /* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound. Right |
314 | now, this is always used to attempt to bind the arrow keys, hence the | |
315 | check for rl_vi_movement_mode. */ | |
316 | int | |
cb41b9e7 | 317 | rl_bind_keyseq_if_unbound_in_map (const char *keyseq, rl_command_func_t *default_func, Keymap kmap) |
5bdf8622 DJ |
318 | { |
319 | rl_command_func_t *func; | |
cb41b9e7 TT |
320 | char *keys; |
321 | int keys_len; | |
5bdf8622 DJ |
322 | |
323 | if (keyseq) | |
324 | { | |
cb41b9e7 TT |
325 | /* Handle key sequences that require translations and `raw' ones that |
326 | don't. This might be a problem with backslashes. */ | |
327 | keys = (char *)xmalloc (1 + (2 * strlen (keyseq))); | |
328 | if (rl_translate_keyseq (keyseq, keys, &keys_len)) | |
329 | { | |
330 | xfree (keys); | |
331 | return -1; | |
332 | } | |
333 | func = rl_function_of_keyseq_len (keys, keys_len, kmap, (int *)NULL); | |
334 | xfree (keys); | |
5bdf8622 DJ |
335 | #if defined (VI_MODE) |
336 | if (!func || func == rl_do_lowercase_version || func == rl_vi_movement_mode) | |
337 | #else | |
338 | if (!func || func == rl_do_lowercase_version) | |
339 | #endif | |
340 | return (rl_bind_keyseq_in_map (keyseq, default_func, kmap)); | |
341 | else | |
342 | return 1; | |
343 | } | |
344 | return 0; | |
345 | } | |
346 | ||
347 | int | |
cb41b9e7 | 348 | rl_bind_keyseq_if_unbound (const char *keyseq, rl_command_func_t *default_func) |
5bdf8622 DJ |
349 | { |
350 | return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, _rl_keymap)); | |
351 | } | |
352 | ||
d60d9f65 SS |
353 | /* Bind the key sequence represented by the string KEYSEQ to |
354 | the string of characters MACRO. This makes new keymaps as | |
355 | necessary. The initial place to do bindings is in MAP. */ | |
356 | int | |
cb41b9e7 | 357 | rl_macro_bind (const char *keyseq, const char *macro, Keymap map) |
d60d9f65 SS |
358 | { |
359 | char *macro_keys; | |
360 | int macro_keys_len; | |
361 | ||
362 | macro_keys = (char *)xmalloc ((2 * strlen (macro)) + 1); | |
363 | ||
364 | if (rl_translate_keyseq (macro, macro_keys, ¯o_keys_len)) | |
365 | { | |
cc88a640 | 366 | xfree (macro_keys); |
d60d9f65 SS |
367 | return -1; |
368 | } | |
369 | rl_generic_bind (ISMACR, keyseq, macro_keys, map); | |
370 | return 0; | |
371 | } | |
372 | ||
373 | /* Bind the key sequence represented by the string KEYSEQ to | |
374 | the arbitrary pointer DATA. TYPE says what kind of data is | |
375 | pointed to by DATA, right now this can be a function (ISFUNC), | |
376 | a macro (ISMACR), or a keymap (ISKMAP). This makes new keymaps | |
377 | as necessary. The initial place to do bindings is in MAP. */ | |
378 | int | |
cb41b9e7 | 379 | rl_generic_bind (int type, const char *keyseq, char *data, Keymap map) |
d60d9f65 SS |
380 | { |
381 | char *keys; | |
b4f26d54 | 382 | int keys_len, prevkey, ic; |
d60d9f65 | 383 | register int i; |
9255ee31 | 384 | KEYMAP_ENTRY k; |
cb41b9e7 | 385 | Keymap prevmap; |
9255ee31 EZ |
386 | |
387 | k.function = 0; | |
d60d9f65 SS |
388 | |
389 | /* If no keys to bind to, exit right away. */ | |
5bdf8622 | 390 | if (keyseq == 0 || *keyseq == 0) |
d60d9f65 SS |
391 | { |
392 | if (type == ISMACR) | |
cc88a640 | 393 | xfree (data); |
d60d9f65 SS |
394 | return -1; |
395 | } | |
396 | ||
9255ee31 | 397 | keys = (char *)xmalloc (1 + (2 * strlen (keyseq))); |
d60d9f65 SS |
398 | |
399 | /* Translate the ASCII representation of KEYSEQ into an array of | |
400 | characters. Stuff the characters into KEYS, and the length of | |
401 | KEYS into KEYS_LEN. */ | |
402 | if (rl_translate_keyseq (keyseq, keys, &keys_len)) | |
403 | { | |
cc88a640 | 404 | xfree (keys); |
d60d9f65 SS |
405 | return -1; |
406 | } | |
407 | ||
cb41b9e7 TT |
408 | prevmap = map; |
409 | prevkey = keys[0]; | |
410 | ||
d60d9f65 SS |
411 | /* Bind keys, making new keymaps as necessary. */ |
412 | for (i = 0; i < keys_len; i++) | |
413 | { | |
9255ee31 | 414 | unsigned char uc = keys[i]; |
9255ee31 | 415 | |
cb41b9e7 TT |
416 | if (i > 0) |
417 | prevkey = ic; | |
418 | ||
9255ee31 EZ |
419 | ic = uc; |
420 | if (ic < 0 || ic >= KEYMAP_SIZE) | |
cc88a640 JK |
421 | { |
422 | xfree (keys); | |
423 | return -1; | |
424 | } | |
d60d9f65 | 425 | |
b4f26d54 TT |
426 | /* We now rely on rl_translate_keyseq to do this conversion, so this |
427 | check is superfluous. */ | |
428 | #if 0 | |
5bdf8622 | 429 | if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii) |
d60d9f65 SS |
430 | { |
431 | ic = UNMETA (ic); | |
432 | if (map[ESC].type == ISKMAP) | |
cb41b9e7 TT |
433 | { |
434 | prevmap = map; | |
435 | map = FUNCTION_TO_KEYMAP (map, ESC); | |
436 | } | |
d60d9f65 | 437 | } |
b4f26d54 | 438 | #endif |
d60d9f65 SS |
439 | |
440 | if ((i + 1) < keys_len) | |
441 | { | |
442 | if (map[ic].type != ISKMAP) | |
443 | { | |
9255ee31 EZ |
444 | /* We allow subsequences of keys. If a keymap is being |
445 | created that will `shadow' an existing function or macro | |
446 | key binding, we save that keybinding into the ANYOTHERKEY | |
447 | index in the new map. The dispatch code will look there | |
448 | to find the function to execute if the subsequence is not | |
449 | matched. ANYOTHERKEY was chosen to be greater than | |
450 | UCHAR_MAX. */ | |
451 | k = map[ic]; | |
d60d9f65 SS |
452 | |
453 | map[ic].type = ISKMAP; | |
454 | map[ic].function = KEYMAP_TO_FUNCTION (rl_make_bare_keymap()); | |
455 | } | |
cb41b9e7 | 456 | prevmap = map; |
d60d9f65 | 457 | map = FUNCTION_TO_KEYMAP (map, ic); |
9255ee31 EZ |
458 | /* The dispatch code will return this function if no matching |
459 | key sequence is found in the keymap. This (with a little | |
460 | help from the dispatch code in readline.c) allows `a' to be | |
461 | mapped to something, `abc' to be mapped to something else, | |
462 | and the function bound to `a' to be executed when the user | |
463 | types `abx', leaving `bx' in the input queue. */ | |
5af408ce | 464 | if (k.function && ((k.type == ISFUNC && k.function != rl_do_lowercase_version) || k.type == ISMACR)) |
9255ee31 EZ |
465 | { |
466 | map[ANYOTHERKEY] = k; | |
467 | k.function = 0; | |
468 | } | |
d60d9f65 SS |
469 | } |
470 | else | |
471 | { | |
b4f26d54 | 472 | if (map[ic].type == ISKMAP) |
9255ee31 | 473 | { |
cb41b9e7 | 474 | prevmap = map; |
9255ee31 EZ |
475 | map = FUNCTION_TO_KEYMAP (map, ic); |
476 | ic = ANYOTHERKEY; | |
cc88a640 JK |
477 | /* If we're trying to override a keymap with a null function |
478 | (e.g., trying to unbind it), we can't use a null pointer | |
479 | here because that's indistinguishable from having not been | |
480 | overridden. We use a special bindable function that does | |
481 | nothing. */ | |
482 | if (type == ISFUNC && data == 0) | |
483 | data = (char *)_rl_null_function; | |
9255ee31 | 484 | } |
b4f26d54 TT |
485 | if (map[ic].type == ISMACR) |
486 | xfree ((char *)map[ic].function); | |
d60d9f65 SS |
487 | |
488 | map[ic].function = KEYMAP_TO_FUNCTION (data); | |
489 | map[ic].type = type; | |
490 | } | |
491 | ||
492 | rl_binding_keymap = map; | |
cb41b9e7 | 493 | |
d60d9f65 | 494 | } |
cb41b9e7 TT |
495 | |
496 | /* If we unbound a key (type == ISFUNC, data == 0), and the prev keymap | |
497 | points to the keymap where we unbound the key (sanity check), and the | |
498 | current binding keymap is empty (rl_empty_keymap() returns non-zero), | |
499 | and the binding keymap has ANYOTHERKEY set with type == ISFUNC | |
500 | (overridden function), delete the now-empty keymap, take the previously- | |
501 | overridden function and remove the override. */ | |
502 | /* Right now, this only works one level back. */ | |
503 | if (type == ISFUNC && data == 0 && | |
504 | prevmap[prevkey].type == ISKMAP && | |
505 | (FUNCTION_TO_KEYMAP(prevmap, prevkey) == rl_binding_keymap) && | |
506 | rl_binding_keymap[ANYOTHERKEY].type == ISFUNC && | |
507 | rl_empty_keymap (rl_binding_keymap)) | |
508 | { | |
509 | prevmap[prevkey].type = rl_binding_keymap[ANYOTHERKEY].type; | |
510 | prevmap[prevkey].function = rl_binding_keymap[ANYOTHERKEY].function; | |
511 | rl_discard_keymap (rl_binding_keymap); | |
512 | rl_binding_keymap = prevmap; | |
513 | } | |
514 | ||
cc88a640 | 515 | xfree (keys); |
d60d9f65 SS |
516 | return 0; |
517 | } | |
518 | ||
519 | /* Translate the ASCII representation of SEQ, stuffing the values into ARRAY, | |
520 | an array of characters. LEN gets the final length of ARRAY. Return | |
521 | non-zero if there was an error parsing SEQ. */ | |
522 | int | |
cb41b9e7 | 523 | rl_translate_keyseq (const char *seq, char *array, int *len) |
d60d9f65 | 524 | { |
b4f26d54 TT |
525 | register int i, l, temp; |
526 | int has_control, has_meta; | |
527 | unsigned char c; | |
528 | ||
529 | has_control = 0; | |
530 | has_meta = 0; | |
d60d9f65 | 531 | |
b4f26d54 TT |
532 | /* When there are incomplete prefixes \C- or \M- (has_control || has_meta) |
533 | without base character at the end of SEQ, they are processed as the | |
534 | prefixes for '\0'. | |
535 | */ | |
536 | for (i = l = 0; (c = seq[i]) || has_control || has_meta; i++) | |
d60d9f65 | 537 | { |
b4f26d54 TT |
538 | /* Only backslashes followed by a non-null character are handled |
539 | specially. Trailing backslash (backslash followed by '\0') is | |
540 | processed as a normal character. | |
541 | */ | |
542 | if (c == '\\' && seq[i + 1] != '\0') | |
d60d9f65 SS |
543 | { |
544 | c = seq[++i]; | |
545 | ||
b4f26d54 TT |
546 | /* Handle \C- and \M- prefixes. */ |
547 | if (c == 'C' && seq[i + 1] == '-') | |
cb41b9e7 | 548 | { |
b4f26d54 TT |
549 | i++; |
550 | has_control = 1; | |
551 | continue; | |
cb41b9e7 | 552 | } |
b4f26d54 | 553 | else if (c == 'M' && seq[i + 1] == '-') |
d60d9f65 | 554 | { |
b4f26d54 TT |
555 | i++; |
556 | has_meta = 1; | |
d60d9f65 SS |
557 | continue; |
558 | } | |
559 | ||
560 | /* Translate other backslash-escaped characters. These are the | |
561 | same escape sequences that bash's `echo' and `printf' builtins | |
562 | handle, with the addition of \d -> RUBOUT. A backslash | |
563 | preceding a character that is not special is stripped. */ | |
564 | switch (c) | |
565 | { | |
566 | case 'a': | |
b4f26d54 | 567 | c = '\007'; |
d60d9f65 SS |
568 | break; |
569 | case 'b': | |
b4f26d54 | 570 | c = '\b'; |
d60d9f65 SS |
571 | break; |
572 | case 'd': | |
b4f26d54 | 573 | c = RUBOUT; /* readline-specific */ |
d60d9f65 SS |
574 | break; |
575 | case 'e': | |
b4f26d54 | 576 | c = ESC; |
d60d9f65 SS |
577 | break; |
578 | case 'f': | |
b4f26d54 | 579 | c = '\f'; |
d60d9f65 SS |
580 | break; |
581 | case 'n': | |
b4f26d54 | 582 | c = NEWLINE; |
d60d9f65 SS |
583 | break; |
584 | case 'r': | |
b4f26d54 | 585 | c = RETURN; |
d60d9f65 SS |
586 | break; |
587 | case 't': | |
b4f26d54 | 588 | c = TAB; |
d60d9f65 SS |
589 | break; |
590 | case 'v': | |
b4f26d54 | 591 | c = 0x0B; |
d60d9f65 SS |
592 | break; |
593 | case '\\': | |
b4f26d54 | 594 | c = '\\'; |
d60d9f65 SS |
595 | break; |
596 | case '0': case '1': case '2': case '3': | |
597 | case '4': case '5': case '6': case '7': | |
598 | i++; | |
775e241e | 599 | for (temp = 2, c -= '0'; ISOCTAL ((unsigned char)seq[i]) && temp--; i++) |
d60d9f65 SS |
600 | c = (c * 8) + OCTVALUE (seq[i]); |
601 | i--; /* auto-increment in for loop */ | |
b4f26d54 | 602 | c &= largest_char; |
d60d9f65 SS |
603 | break; |
604 | case 'x': | |
605 | i++; | |
9255ee31 | 606 | for (temp = 2, c = 0; ISXDIGIT ((unsigned char)seq[i]) && temp--; i++) |
d60d9f65 | 607 | c = (c * 16) + HEXVALUE (seq[i]); |
9255ee31 | 608 | if (temp == 2) |
d60d9f65 SS |
609 | c = 'x'; |
610 | i--; /* auto-increment in for loop */ | |
b4f26d54 | 611 | c &= largest_char; |
d60d9f65 SS |
612 | break; |
613 | default: /* backslashes before non-special chars just add the char */ | |
b4f26d54 | 614 | c &= largest_char; |
d60d9f65 SS |
615 | break; /* the backslash is stripped */ |
616 | } | |
d60d9f65 SS |
617 | } |
618 | ||
b4f26d54 TT |
619 | /* Process \C- and \M- flags */ |
620 | if (has_control) | |
621 | { | |
622 | /* Special treatment for C-? */ | |
623 | c = (c == '?') ? RUBOUT : CTRL (_rl_to_upper (c)); | |
624 | has_control = 0; | |
625 | } | |
626 | if (has_meta) | |
627 | { | |
628 | c = META (c); | |
629 | has_meta = 0; | |
630 | } | |
631 | ||
632 | /* If convert-meta is turned on, convert a meta char to a key sequence */ | |
633 | if (META_CHAR (c) && _rl_convert_meta_chars_to_ascii) | |
634 | { | |
635 | array[l++] = ESC; /* ESC is meta-prefix */ | |
636 | array[l++] = UNMETA (c); | |
637 | } | |
638 | else | |
639 | array[l++] = (c); | |
640 | ||
641 | /* Null characters may be processed for incomplete prefixes at the end of | |
642 | sequence */ | |
643 | if (seq[i] == '\0') | |
644 | break; | |
d60d9f65 SS |
645 | } |
646 | ||
647 | *len = l; | |
648 | array[l] = '\0'; | |
649 | return (0); | |
650 | } | |
651 | ||
775e241e | 652 | static int |
cb41b9e7 | 653 | _rl_isescape (int c) |
775e241e TT |
654 | { |
655 | switch (c) | |
656 | { | |
657 | case '\007': | |
658 | case '\b': | |
659 | case '\f': | |
660 | case '\n': | |
661 | case '\r': | |
662 | case TAB: | |
663 | case 0x0b: return (1); | |
664 | default: return (0); | |
665 | } | |
666 | } | |
667 | ||
668 | static int | |
cb41b9e7 | 669 | _rl_escchar (int c) |
775e241e TT |
670 | { |
671 | switch (c) | |
672 | { | |
673 | case '\007': return ('a'); | |
674 | case '\b': return ('b'); | |
675 | case '\f': return ('f'); | |
676 | case '\n': return ('n'); | |
677 | case '\r': return ('r'); | |
678 | case TAB: return ('t'); | |
679 | case 0x0b: return ('v'); | |
680 | default: return (c); | |
681 | } | |
682 | } | |
683 | ||
d60d9f65 | 684 | char * |
cb41b9e7 | 685 | rl_untranslate_keyseq (int seq) |
d60d9f65 SS |
686 | { |
687 | static char kseq[16]; | |
688 | int i, c; | |
689 | ||
690 | i = 0; | |
691 | c = seq; | |
692 | if (META_CHAR (c)) | |
693 | { | |
694 | kseq[i++] = '\\'; | |
695 | kseq[i++] = 'M'; | |
696 | kseq[i++] = '-'; | |
697 | c = UNMETA (c); | |
698 | } | |
cc88a640 JK |
699 | else if (c == ESC) |
700 | { | |
701 | kseq[i++] = '\\'; | |
702 | c = 'e'; | |
703 | } | |
d60d9f65 SS |
704 | else if (CTRL_CHAR (c)) |
705 | { | |
706 | kseq[i++] = '\\'; | |
707 | kseq[i++] = 'C'; | |
708 | kseq[i++] = '-'; | |
709 | c = _rl_to_lower (UNCTRL (c)); | |
710 | } | |
711 | else if (c == RUBOUT) | |
712 | { | |
713 | kseq[i++] = '\\'; | |
714 | kseq[i++] = 'C'; | |
715 | kseq[i++] = '-'; | |
716 | c = '?'; | |
717 | } | |
718 | ||
719 | if (c == ESC) | |
720 | { | |
721 | kseq[i++] = '\\'; | |
722 | c = 'e'; | |
723 | } | |
724 | else if (c == '\\' || c == '"') | |
725 | { | |
726 | kseq[i++] = '\\'; | |
727 | } | |
728 | ||
729 | kseq[i++] = (unsigned char) c; | |
730 | kseq[i] = '\0'; | |
731 | return kseq; | |
732 | } | |
733 | ||
775e241e | 734 | char * |
cb41b9e7 | 735 | _rl_untranslate_macro_value (char *seq, int use_escapes) |
d60d9f65 SS |
736 | { |
737 | char *ret, *r, *s; | |
738 | int c; | |
739 | ||
9255ee31 | 740 | r = ret = (char *)xmalloc (7 * strlen (seq) + 1); |
d60d9f65 SS |
741 | for (s = seq; *s; s++) |
742 | { | |
743 | c = *s; | |
744 | if (META_CHAR (c)) | |
745 | { | |
746 | *r++ = '\\'; | |
747 | *r++ = 'M'; | |
748 | *r++ = '-'; | |
749 | c = UNMETA (c); | |
750 | } | |
cc88a640 JK |
751 | else if (c == ESC) |
752 | { | |
753 | *r++ = '\\'; | |
754 | c = 'e'; | |
755 | } | |
756 | else if (CTRL_CHAR (c)) | |
d60d9f65 SS |
757 | { |
758 | *r++ = '\\'; | |
775e241e TT |
759 | if (use_escapes && _rl_isescape (c)) |
760 | c = _rl_escchar (c); | |
761 | else | |
762 | { | |
763 | *r++ = 'C'; | |
764 | *r++ = '-'; | |
765 | c = _rl_to_lower (UNCTRL (c)); | |
766 | } | |
d60d9f65 SS |
767 | } |
768 | else if (c == RUBOUT) | |
769 | { | |
770 | *r++ = '\\'; | |
771 | *r++ = 'C'; | |
772 | *r++ = '-'; | |
773 | c = '?'; | |
774 | } | |
775 | ||
776 | if (c == ESC) | |
777 | { | |
778 | *r++ = '\\'; | |
779 | c = 'e'; | |
780 | } | |
781 | else if (c == '\\' || c == '"') | |
782 | *r++ = '\\'; | |
783 | ||
784 | *r++ = (unsigned char)c; | |
785 | } | |
786 | *r = '\0'; | |
787 | return ret; | |
788 | } | |
789 | ||
790 | /* Return a pointer to the function that STRING represents. | |
791 | If STRING doesn't have a matching function, then a NULL pointer | |
b4f26d54 | 792 | is returned. The string match is case-insensitive. */ |
9255ee31 | 793 | rl_command_func_t * |
cb41b9e7 | 794 | rl_named_function (const char *string) |
d60d9f65 SS |
795 | { |
796 | register int i; | |
797 | ||
798 | rl_initialize_funmap (); | |
799 | ||
800 | for (i = 0; funmap[i]; i++) | |
801 | if (_rl_stricmp (funmap[i]->name, string) == 0) | |
802 | return (funmap[i]->function); | |
9255ee31 | 803 | return ((rl_command_func_t *)NULL); |
d60d9f65 SS |
804 | } |
805 | ||
806 | /* Return the function (or macro) definition which would be invoked via | |
807 | KEYSEQ if executed in MAP. If MAP is NULL, then the current keymap is | |
808 | used. TYPE, if non-NULL, is a pointer to an int which will receive the | |
809 | type of the object pointed to. One of ISFUNC (function), ISKMAP (keymap), | |
810 | or ISMACR (macro). */ | |
cb41b9e7 TT |
811 | static rl_command_func_t * |
812 | _rl_function_of_keyseq_internal (const char *keyseq, size_t len, Keymap map, int *type) | |
d60d9f65 SS |
813 | { |
814 | register int i; | |
815 | ||
cc88a640 | 816 | if (map == 0) |
d60d9f65 SS |
817 | map = _rl_keymap; |
818 | ||
cb41b9e7 | 819 | for (i = 0; keyseq && i < len; i++) |
d60d9f65 | 820 | { |
9255ee31 | 821 | unsigned char ic = keyseq[i]; |
d60d9f65 SS |
822 | |
823 | if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii) | |
824 | { | |
cc88a640 JK |
825 | if (map[ESC].type == ISKMAP) |
826 | { | |
827 | map = FUNCTION_TO_KEYMAP (map, ESC); | |
828 | ic = UNMETA (ic); | |
829 | } | |
830 | /* XXX - should we just return NULL here, since this obviously | |
831 | doesn't match? */ | |
832 | else | |
d60d9f65 SS |
833 | { |
834 | if (type) | |
835 | *type = map[ESC].type; | |
836 | ||
837 | return (map[ESC].function); | |
838 | } | |
d60d9f65 SS |
839 | } |
840 | ||
841 | if (map[ic].type == ISKMAP) | |
842 | { | |
843 | /* If this is the last key in the key sequence, return the | |
844 | map. */ | |
b4f26d54 | 845 | if (i + 1 == len) |
d60d9f65 SS |
846 | { |
847 | if (type) | |
848 | *type = ISKMAP; | |
849 | ||
850 | return (map[ic].function); | |
851 | } | |
852 | else | |
853 | map = FUNCTION_TO_KEYMAP (map, ic); | |
854 | } | |
cc88a640 JK |
855 | /* If we're not at the end of the key sequence, and the current key |
856 | is bound to something other than a keymap, then the entire key | |
857 | sequence is not bound. */ | |
b4f26d54 | 858 | else if (map[ic].type != ISKMAP && i+1 < len) |
cc88a640 | 859 | return ((rl_command_func_t *)NULL); |
b4f26d54 | 860 | else /* map[ic].type != ISKMAP && i+1 == len */ |
d60d9f65 SS |
861 | { |
862 | if (type) | |
863 | *type = map[ic].type; | |
864 | ||
865 | return (map[ic].function); | |
866 | } | |
867 | } | |
9255ee31 | 868 | return ((rl_command_func_t *) NULL); |
d60d9f65 SS |
869 | } |
870 | ||
cb41b9e7 TT |
871 | rl_command_func_t * |
872 | rl_function_of_keyseq (const char *keyseq, Keymap map, int *type) | |
873 | { | |
874 | return _rl_function_of_keyseq_internal (keyseq, strlen (keyseq), map, type); | |
875 | } | |
876 | ||
877 | rl_command_func_t * | |
878 | rl_function_of_keyseq_len (const char *keyseq, size_t len, Keymap map, int *type) | |
879 | { | |
880 | return _rl_function_of_keyseq_internal (keyseq, len, map, type); | |
881 | } | |
882 | ||
d60d9f65 SS |
883 | /* The last key bindings file read. */ |
884 | static char *last_readline_init_file = (char *)NULL; | |
885 | ||
886 | /* The file we're currently reading key bindings from. */ | |
9255ee31 | 887 | static const char *current_readline_init_file; |
d60d9f65 SS |
888 | static int current_readline_init_include_level; |
889 | static int current_readline_init_lineno; | |
890 | ||
891 | /* Read FILENAME into a locally-allocated buffer and return the buffer. | |
892 | The size of the buffer is returned in *SIZEP. Returns NULL if any | |
893 | errors were encountered. */ | |
894 | static char * | |
cb41b9e7 | 895 | _rl_read_file (char *filename, size_t *sizep) |
d60d9f65 SS |
896 | { |
897 | struct stat finfo; | |
898 | size_t file_size; | |
899 | char *buffer; | |
900 | int i, file; | |
901 | ||
cb41b9e7 TT |
902 | file = -1; |
903 | if (((file = open (filename, O_RDONLY, 0666)) < 0) || (fstat (file, &finfo) < 0)) | |
904 | { | |
905 | if (file >= 0) | |
906 | close (file); | |
907 | return ((char *)NULL); | |
908 | } | |
d60d9f65 SS |
909 | |
910 | file_size = (size_t)finfo.st_size; | |
911 | ||
912 | /* check for overflow on very large files */ | |
913 | if (file_size != finfo.st_size || file_size + 1 < file_size) | |
914 | { | |
915 | if (file >= 0) | |
916 | close (file); | |
917 | #if defined (EFBIG) | |
918 | errno = EFBIG; | |
919 | #endif | |
920 | return ((char *)NULL); | |
921 | } | |
922 | ||
923 | /* Read the file into BUFFER. */ | |
924 | buffer = (char *)xmalloc (file_size + 1); | |
925 | i = read (file, buffer, file_size); | |
926 | close (file); | |
927 | ||
c862e87b | 928 | if (i < 0) |
d60d9f65 | 929 | { |
cc88a640 | 930 | xfree (buffer); |
d60d9f65 SS |
931 | return ((char *)NULL); |
932 | } | |
933 | ||
cc88a640 JK |
934 | RL_CHECK_SIGNALS (); |
935 | ||
1b17e766 EZ |
936 | buffer[i] = '\0'; |
937 | if (sizep) | |
938 | *sizep = i; | |
1b17e766 | 939 | |
d60d9f65 SS |
940 | return (buffer); |
941 | } | |
942 | ||
943 | /* Re-read the current keybindings file. */ | |
944 | int | |
cb41b9e7 | 945 | rl_re_read_init_file (int count, int ignore) |
d60d9f65 SS |
946 | { |
947 | int r; | |
9255ee31 | 948 | r = rl_read_init_file ((const char *)NULL); |
d60d9f65 SS |
949 | rl_set_keymap_from_edit_mode (); |
950 | return r; | |
951 | } | |
952 | ||
953 | /* Do key bindings from a file. If FILENAME is NULL it defaults | |
954 | to the first non-null filename from this list: | |
955 | 1. the filename used for the previous call | |
956 | 2. the value of the shell variable `INPUTRC' | |
957 | 3. ~/.inputrc | |
cc88a640 | 958 | 4. /etc/inputrc |
d60d9f65 SS |
959 | If the file existed and could be opened and read, 0 is returned, |
960 | otherwise errno is returned. */ | |
961 | int | |
cb41b9e7 | 962 | rl_read_init_file (const char *filename) |
d60d9f65 SS |
963 | { |
964 | /* Default the filename. */ | |
965 | if (filename == 0) | |
cc88a640 JK |
966 | filename = last_readline_init_file; |
967 | if (filename == 0) | |
968 | filename = sh_get_env_value ("INPUTRC"); | |
969 | if (filename == 0 || *filename == 0) | |
d60d9f65 | 970 | { |
cc88a640 JK |
971 | filename = DEFAULT_INPUTRC; |
972 | /* Try to read DEFAULT_INPUTRC; fall back to SYS_INPUTRC on failure */ | |
973 | if (_rl_read_init_file (filename, 0) == 0) | |
974 | return 0; | |
975 | filename = SYS_INPUTRC; | |
d60d9f65 SS |
976 | } |
977 | ||
1b17e766 EZ |
978 | #if defined (__MSDOS__) |
979 | if (_rl_read_init_file (filename, 0) == 0) | |
980 | return 0; | |
981 | filename = "~/_inputrc"; | |
a27688aa | 982 | #endif |
d60d9f65 SS |
983 | return (_rl_read_init_file (filename, 0)); |
984 | } | |
985 | ||
986 | static int | |
cb41b9e7 | 987 | _rl_read_init_file (const char *filename, int include_level) |
d60d9f65 SS |
988 | { |
989 | register int i; | |
990 | char *buffer, *openname, *line, *end; | |
991 | size_t file_size; | |
992 | ||
993 | current_readline_init_file = filename; | |
994 | current_readline_init_include_level = include_level; | |
995 | ||
996 | openname = tilde_expand (filename); | |
997 | buffer = _rl_read_file (openname, &file_size); | |
cc88a640 | 998 | xfree (openname); |
c862e87b | 999 | |
cc88a640 | 1000 | RL_CHECK_SIGNALS (); |
d60d9f65 SS |
1001 | if (buffer == 0) |
1002 | return (errno); | |
1003 | ||
1004 | if (include_level == 0 && filename != last_readline_init_file) | |
1005 | { | |
1006 | FREE (last_readline_init_file); | |
1007 | last_readline_init_file = savestring (filename); | |
1008 | } | |
1009 | ||
1b17e766 EZ |
1010 | currently_reading_init_file = 1; |
1011 | ||
d60d9f65 SS |
1012 | /* Loop over the lines in the file. Lines that start with `#' are |
1013 | comments; all other lines are commands for readline initialization. */ | |
1014 | current_readline_init_lineno = 1; | |
1015 | line = buffer; | |
1016 | end = buffer + file_size; | |
1017 | while (line < end) | |
1018 | { | |
1019 | /* Find the end of this line. */ | |
1020 | for (i = 0; line + i != end && line[i] != '\n'; i++); | |
1021 | ||
9255ee31 | 1022 | #if defined (__CYGWIN__) |
1b17e766 EZ |
1023 | /* ``Be liberal in what you accept.'' */ |
1024 | if (line[i] == '\n' && line[i-1] == '\r') | |
1025 | line[i - 1] = '\0'; | |
1026 | #endif | |
1027 | ||
d60d9f65 SS |
1028 | /* Mark end of line. */ |
1029 | line[i] = '\0'; | |
1030 | ||
1031 | /* Skip leading whitespace. */ | |
1032 | while (*line && whitespace (*line)) | |
1033 | { | |
1034 | line++; | |
1035 | i--; | |
1036 | } | |
1037 | ||
1038 | /* If the line is not a comment, then parse it. */ | |
1039 | if (*line && *line != '#') | |
1040 | rl_parse_and_bind (line); | |
1041 | ||
1042 | /* Move to the next line. */ | |
1043 | line += i + 1; | |
1044 | current_readline_init_lineno++; | |
1045 | } | |
1046 | ||
cc88a640 | 1047 | xfree (buffer); |
1b17e766 | 1048 | currently_reading_init_file = 0; |
d60d9f65 SS |
1049 | return (0); |
1050 | } | |
1051 | ||
1052 | static void | |
775e241e TT |
1053 | #if defined (PREFER_STDARG) |
1054 | _rl_init_file_error (const char *format, ...) | |
1055 | #else | |
1056 | _rl_init_file_error (va_alist) | |
1057 | va_dcl | |
1058 | #endif | |
d60d9f65 | 1059 | { |
775e241e TT |
1060 | va_list args; |
1061 | #if defined (PREFER_VARARGS) | |
1062 | char *format; | |
1063 | #endif | |
1064 | ||
1065 | #if defined (PREFER_STDARG) | |
1066 | va_start (args, format); | |
1067 | #else | |
1068 | va_start (args); | |
1069 | format = va_arg (args, char *); | |
1070 | #endif | |
1071 | ||
1072 | fprintf (stderr, "readline: "); | |
1b17e766 | 1073 | if (currently_reading_init_file) |
775e241e TT |
1074 | fprintf (stderr, "%s: line %d: ", current_readline_init_file, |
1075 | current_readline_init_lineno); | |
1076 | ||
1077 | vfprintf (stderr, format, args); | |
1078 | fprintf (stderr, "\n"); | |
1079 | fflush (stderr); | |
1080 | ||
1081 | va_end (args); | |
d60d9f65 SS |
1082 | } |
1083 | ||
cb41b9e7 TT |
1084 | /* **************************************************************** */ |
1085 | /* */ | |
1086 | /* Parser Helper Functions */ | |
1087 | /* */ | |
1088 | /* **************************************************************** */ | |
1089 | ||
1090 | static int | |
1091 | parse_comparison_op (s, indp) | |
1092 | const char *s; | |
1093 | int *indp; | |
1094 | { | |
1095 | int i, peekc, op; | |
1096 | ||
1097 | if (OPSTART (s[*indp]) == 0) | |
1098 | return -1; | |
1099 | i = *indp; | |
1100 | peekc = s[i] ? s[i+1] : 0; | |
1101 | op = -1; | |
1102 | ||
1103 | if (s[i] == '=') | |
1104 | { | |
1105 | op = OP_EQ; | |
1106 | if (peekc == '=') | |
1107 | i++; | |
1108 | i++; | |
1109 | } | |
1110 | else if (s[i] == '!' && peekc == '=') | |
1111 | { | |
1112 | op = OP_NE; | |
1113 | i += 2; | |
1114 | } | |
1115 | else if (s[i] == '<' && peekc == '=') | |
1116 | { | |
1117 | op = OP_LE; | |
1118 | i += 2; | |
1119 | } | |
1120 | else if (s[i] == '>' && peekc == '=') | |
1121 | { | |
1122 | op = OP_GE; | |
1123 | i += 2; | |
1124 | } | |
1125 | else if (s[i] == '<') | |
1126 | { | |
1127 | op = OP_LT; | |
1128 | i += 1; | |
1129 | } | |
1130 | else if (s[i] == '>') | |
1131 | { | |
1132 | op = OP_GT; | |
1133 | i += 1; | |
1134 | } | |
1135 | ||
1136 | *indp = i; | |
1137 | return op; | |
1138 | } | |
1139 | ||
d60d9f65 SS |
1140 | /* **************************************************************** */ |
1141 | /* */ | |
1142 | /* Parser Directives */ | |
1143 | /* */ | |
1144 | /* **************************************************************** */ | |
1145 | ||
9255ee31 EZ |
1146 | typedef int _rl_parser_func_t PARAMS((char *)); |
1147 | ||
1148 | /* Things that mean `Control'. */ | |
cc88a640 | 1149 | const char * const _rl_possible_control_prefixes[] = { |
9255ee31 EZ |
1150 | "Control-", "C-", "CTRL-", (const char *)NULL |
1151 | }; | |
1152 | ||
cc88a640 | 1153 | const char * const _rl_possible_meta_prefixes[] = { |
9255ee31 EZ |
1154 | "Meta", "M-", (const char *)NULL |
1155 | }; | |
1156 | ||
d60d9f65 SS |
1157 | /* Conditionals. */ |
1158 | ||
1159 | /* Calling programs set this to have their argv[0]. */ | |
9255ee31 | 1160 | const char *rl_readline_name = "other"; |
d60d9f65 SS |
1161 | |
1162 | /* Stack of previous values of parsing_conditionalized_out. */ | |
1163 | static unsigned char *if_stack = (unsigned char *)NULL; | |
1164 | static int if_stack_depth; | |
1165 | static int if_stack_size; | |
1166 | ||
1167 | /* Push _rl_parsing_conditionalized_out, and set parser state based | |
1168 | on ARGS. */ | |
1169 | static int | |
cb41b9e7 | 1170 | parser_if (char *args) |
d60d9f65 | 1171 | { |
cb41b9e7 TT |
1172 | int i, llen, boolvar, strvar; |
1173 | ||
1174 | boolvar = strvar = -1; | |
d60d9f65 SS |
1175 | |
1176 | /* Push parser state. */ | |
1177 | if (if_stack_depth + 1 >= if_stack_size) | |
1178 | { | |
1179 | if (!if_stack) | |
1180 | if_stack = (unsigned char *)xmalloc (if_stack_size = 20); | |
1181 | else | |
1182 | if_stack = (unsigned char *)xrealloc (if_stack, if_stack_size += 20); | |
1183 | } | |
1184 | if_stack[if_stack_depth++] = _rl_parsing_conditionalized_out; | |
1185 | ||
1186 | /* If parsing is turned off, then nothing can turn it back on except | |
1187 | for finding the matching endif. In that case, return right now. */ | |
1188 | if (_rl_parsing_conditionalized_out) | |
1189 | return 0; | |
1190 | ||
cb41b9e7 TT |
1191 | llen = strlen (args); |
1192 | ||
d60d9f65 SS |
1193 | /* Isolate first argument. */ |
1194 | for (i = 0; args[i] && !whitespace (args[i]); i++); | |
1195 | ||
1196 | if (args[i]) | |
1197 | args[i++] = '\0'; | |
1198 | ||
1199 | /* Handle "$if term=foo" and "$if mode=emacs" constructs. If this | |
1200 | isn't term=foo, or mode=emacs, then check to see if the first | |
1201 | word in ARGS is the same as the value stored in rl_readline_name. */ | |
1202 | if (rl_terminal_name && _rl_strnicmp (args, "term=", 5) == 0) | |
1203 | { | |
1204 | char *tem, *tname; | |
1205 | ||
1206 | /* Terminals like "aaa-60" are equivalent to "aaa". */ | |
1207 | tname = savestring (rl_terminal_name); | |
1208 | tem = strchr (tname, '-'); | |
1209 | if (tem) | |
1210 | *tem = '\0'; | |
1211 | ||
1212 | /* Test the `long' and `short' forms of the terminal name so that | |
1213 | if someone has a `sun-cmd' and does not want to have bindings | |
1214 | that will be executed if the terminal is a `sun', they can put | |
1215 | `$if term=sun-cmd' into their .inputrc. */ | |
1216 | _rl_parsing_conditionalized_out = _rl_stricmp (args + 5, tname) && | |
1217 | _rl_stricmp (args + 5, rl_terminal_name); | |
cc88a640 | 1218 | xfree (tname); |
d60d9f65 SS |
1219 | } |
1220 | #if defined (VI_MODE) | |
1221 | else if (_rl_strnicmp (args, "mode=", 5) == 0) | |
1222 | { | |
1223 | int mode; | |
1224 | ||
1225 | if (_rl_stricmp (args + 5, "emacs") == 0) | |
1226 | mode = emacs_mode; | |
1227 | else if (_rl_stricmp (args + 5, "vi") == 0) | |
1228 | mode = vi_mode; | |
1229 | else | |
1230 | mode = no_mode; | |
1231 | ||
1232 | _rl_parsing_conditionalized_out = mode != rl_editing_mode; | |
1233 | } | |
1234 | #endif /* VI_MODE */ | |
cb41b9e7 TT |
1235 | else if (_rl_strnicmp (args, "version", 7) == 0) |
1236 | { | |
1237 | int rlversion, versionarg, op, previ, major, minor; | |
1238 | ||
1239 | _rl_parsing_conditionalized_out = 1; | |
1240 | rlversion = RL_VERSION_MAJOR*10 + RL_VERSION_MINOR; | |
1241 | /* if "version" is separated from the operator by whitespace, or the | |
1242 | operand is separated from the operator by whitespace, restore it. | |
1243 | We're more liberal with allowed whitespace for this variable. */ | |
1244 | if (i > 0 && i <= llen && args[i-1] == '\0') | |
1245 | args[i-1] = ' '; | |
1246 | args[llen] = '\0'; /* just in case */ | |
1247 | for (i = 7; whitespace (args[i]); i++) | |
1248 | ; | |
1249 | if (OPSTART(args[i]) == 0) | |
1250 | { | |
1251 | _rl_init_file_error ("comparison operator expected, found `%s'", args[i] ? args + i : "end-of-line"); | |
1252 | return 0; | |
1253 | } | |
1254 | previ = i; | |
1255 | op = parse_comparison_op (args, &i); | |
1256 | if (op <= 0) | |
1257 | { | |
1258 | _rl_init_file_error ("comparison operator expected, found `%s'", args+previ); | |
1259 | return 0; | |
1260 | } | |
1261 | for ( ; args[i] && whitespace (args[i]); i++) | |
1262 | ; | |
1263 | if (args[i] == 0 || _rl_digit_p (args[i]) == 0) | |
1264 | { | |
1265 | _rl_init_file_error ("numeric argument expected, found `%s'", args+i); | |
1266 | return 0; | |
1267 | } | |
1268 | major = minor = 0; | |
1269 | previ = i; | |
1270 | for ( ; args[i] && _rl_digit_p (args[i]); i++) | |
1271 | major = major*10 + _rl_digit_value (args[i]); | |
1272 | if (args[i] == '.') | |
1273 | { | |
1274 | if (args[i + 1] && _rl_digit_p (args [i + 1]) == 0) | |
1275 | { | |
1276 | _rl_init_file_error ("numeric argument expected, found `%s'", args+previ); | |
1277 | return 0; | |
1278 | } | |
1279 | for (++i; args[i] && _rl_digit_p (args[i]); i++) | |
1280 | minor = minor*10 + _rl_digit_value (args[i]); | |
1281 | } | |
1282 | /* optional - check for trailing garbage on the line, allow whitespace | |
1283 | and a trailing comment */ | |
1284 | previ = i; | |
1285 | for ( ; args[i] && whitespace (args[i]); i++) | |
1286 | ; | |
1287 | if (args[i] && args[i] != '#') | |
1288 | { | |
1289 | _rl_init_file_error ("trailing garbage on line: `%s'", args+previ); | |
1290 | return 0; | |
1291 | } | |
1292 | versionarg = major*10 + minor; | |
1293 | ||
1294 | switch (op) | |
1295 | { | |
1296 | case OP_EQ: | |
1297 | _rl_parsing_conditionalized_out = rlversion == versionarg; | |
1298 | break; | |
1299 | case OP_NE: | |
1300 | _rl_parsing_conditionalized_out = rlversion != versionarg; | |
1301 | break; | |
1302 | case OP_GT: | |
1303 | _rl_parsing_conditionalized_out = rlversion > versionarg; | |
1304 | break; | |
1305 | case OP_GE: | |
1306 | _rl_parsing_conditionalized_out = rlversion >= versionarg; | |
1307 | break; | |
1308 | case OP_LT: | |
1309 | _rl_parsing_conditionalized_out = rlversion < versionarg; | |
1310 | break; | |
1311 | case OP_LE: | |
1312 | _rl_parsing_conditionalized_out = rlversion <= versionarg; | |
1313 | break; | |
1314 | } | |
1315 | } | |
d60d9f65 SS |
1316 | /* Check to see if the first word in ARGS is the same as the |
1317 | value stored in rl_readline_name. */ | |
1318 | else if (_rl_stricmp (args, rl_readline_name) == 0) | |
1319 | _rl_parsing_conditionalized_out = 0; | |
cb41b9e7 TT |
1320 | else if ((boolvar = find_boolean_var (args)) >= 0 || (strvar = find_string_var (args)) >= 0) |
1321 | { | |
1322 | int op, previ; | |
1323 | size_t vlen; | |
1324 | const char *vname; | |
1325 | char *valuearg, *vval, prevc; | |
1326 | ||
1327 | _rl_parsing_conditionalized_out = 1; | |
1328 | vname = (boolvar >= 0) ? boolean_varname (boolvar) : string_varname (strvar); | |
1329 | vlen = strlen (vname); | |
1330 | if (i > 0 && i <= llen && args[i-1] == '\0') | |
1331 | args[i-1] = ' '; | |
1332 | args[llen] = '\0'; /* just in case */ | |
1333 | for (i = vlen; whitespace (args[i]); i++) | |
1334 | ; | |
1335 | if (CMPSTART(args[i]) == 0) | |
1336 | { | |
1337 | _rl_init_file_error ("equality comparison operator expected, found `%s'", args[i] ? args + i : "end-of-line"); | |
1338 | return 0; | |
1339 | } | |
1340 | previ = i; | |
1341 | op = parse_comparison_op (args, &i); | |
1342 | if (op != OP_EQ && op != OP_NE) | |
1343 | { | |
1344 | _rl_init_file_error ("equality comparison operator expected, found `%s'", args+previ); | |
1345 | return 0; | |
1346 | } | |
1347 | for ( ; args[i] && whitespace (args[i]); i++) | |
1348 | ; | |
1349 | if (args[i] == 0) | |
1350 | { | |
1351 | _rl_init_file_error ("argument expected, found `%s'", args+i); | |
1352 | return 0; | |
1353 | } | |
1354 | previ = i; | |
1355 | valuearg = args + i; | |
1356 | for ( ; args[i] && whitespace (args[i]) == 0; i++) | |
1357 | ; | |
1358 | prevc = args[i]; | |
1359 | args[i] = '\0'; /* null-terminate valuearg */ | |
1360 | vval = rl_variable_value (vname); | |
1361 | if (op == OP_EQ) | |
1362 | _rl_parsing_conditionalized_out = _rl_stricmp (vval, valuearg) != 0; | |
1363 | else if (op == OP_NE) | |
1364 | _rl_parsing_conditionalized_out = _rl_stricmp (vval, valuearg) == 0; | |
1365 | args[i] = prevc; | |
1366 | } | |
d60d9f65 SS |
1367 | else |
1368 | _rl_parsing_conditionalized_out = 1; | |
1369 | return 0; | |
1370 | } | |
1371 | ||
1372 | /* Invert the current parser state if there is anything on the stack. */ | |
1373 | static int | |
cb41b9e7 | 1374 | parser_else (char *args) |
d60d9f65 SS |
1375 | { |
1376 | register int i; | |
1377 | ||
1378 | if (if_stack_depth == 0) | |
1379 | { | |
1380 | _rl_init_file_error ("$else found without matching $if"); | |
1381 | return 0; | |
1382 | } | |
1383 | ||
5bdf8622 | 1384 | #if 0 |
d60d9f65 SS |
1385 | /* Check the previous (n - 1) levels of the stack to make sure that |
1386 | we haven't previously turned off parsing. */ | |
1387 | for (i = 0; i < if_stack_depth - 1; i++) | |
5bdf8622 DJ |
1388 | #else |
1389 | /* Check the previous (n) levels of the stack to make sure that | |
1390 | we haven't previously turned off parsing. */ | |
1391 | for (i = 0; i < if_stack_depth; i++) | |
1392 | #endif | |
d60d9f65 SS |
1393 | if (if_stack[i] == 1) |
1394 | return 0; | |
1395 | ||
1396 | /* Invert the state of parsing if at top level. */ | |
1397 | _rl_parsing_conditionalized_out = !_rl_parsing_conditionalized_out; | |
1398 | return 0; | |
1399 | } | |
1400 | ||
1401 | /* Terminate a conditional, popping the value of | |
1402 | _rl_parsing_conditionalized_out from the stack. */ | |
1403 | static int | |
cb41b9e7 | 1404 | parser_endif (char *args) |
d60d9f65 SS |
1405 | { |
1406 | if (if_stack_depth) | |
1407 | _rl_parsing_conditionalized_out = if_stack[--if_stack_depth]; | |
1408 | else | |
1409 | _rl_init_file_error ("$endif without matching $if"); | |
1410 | return 0; | |
1411 | } | |
1412 | ||
1413 | static int | |
cb41b9e7 | 1414 | parser_include (char *args) |
d60d9f65 | 1415 | { |
9255ee31 EZ |
1416 | const char *old_init_file; |
1417 | char *e; | |
d60d9f65 SS |
1418 | int old_line_number, old_include_level, r; |
1419 | ||
1420 | if (_rl_parsing_conditionalized_out) | |
1421 | return (0); | |
1422 | ||
1423 | old_init_file = current_readline_init_file; | |
1424 | old_line_number = current_readline_init_lineno; | |
1425 | old_include_level = current_readline_init_include_level; | |
1426 | ||
1427 | e = strchr (args, '\n'); | |
1428 | if (e) | |
1429 | *e = '\0'; | |
9255ee31 | 1430 | r = _rl_read_init_file ((const char *)args, old_include_level + 1); |
d60d9f65 SS |
1431 | |
1432 | current_readline_init_file = old_init_file; | |
1433 | current_readline_init_lineno = old_line_number; | |
1434 | current_readline_init_include_level = old_include_level; | |
1435 | ||
1436 | return r; | |
1437 | } | |
1438 | ||
1439 | /* Associate textual names with actual functions. */ | |
cc88a640 JK |
1440 | static const struct { |
1441 | const char * const name; | |
9255ee31 | 1442 | _rl_parser_func_t *function; |
d60d9f65 SS |
1443 | } parser_directives [] = { |
1444 | { "if", parser_if }, | |
1445 | { "endif", parser_endif }, | |
1446 | { "else", parser_else }, | |
1447 | { "include", parser_include }, | |
9255ee31 | 1448 | { (char *)0x0, (_rl_parser_func_t *)0x0 } |
d60d9f65 SS |
1449 | }; |
1450 | ||
1451 | /* Handle a parser directive. STATEMENT is the line of the directive | |
1452 | without any leading `$'. */ | |
1453 | static int | |
cb41b9e7 | 1454 | handle_parser_directive (char *statement) |
d60d9f65 SS |
1455 | { |
1456 | register int i; | |
1457 | char *directive, *args; | |
1458 | ||
1459 | /* Isolate the actual directive. */ | |
1460 | ||
1461 | /* Skip whitespace. */ | |
1462 | for (i = 0; whitespace (statement[i]); i++); | |
1463 | ||
1464 | directive = &statement[i]; | |
1465 | ||
1466 | for (; statement[i] && !whitespace (statement[i]); i++); | |
1467 | ||
1468 | if (statement[i]) | |
1469 | statement[i++] = '\0'; | |
1470 | ||
1471 | for (; statement[i] && whitespace (statement[i]); i++); | |
1472 | ||
1473 | args = &statement[i]; | |
1474 | ||
1475 | /* Lookup the command, and act on it. */ | |
1476 | for (i = 0; parser_directives[i].name; i++) | |
1477 | if (_rl_stricmp (directive, parser_directives[i].name) == 0) | |
1478 | { | |
1479 | (*parser_directives[i].function) (args); | |
1480 | return (0); | |
1481 | } | |
1482 | ||
1483 | /* display an error message about the unknown parser directive */ | |
775e241e | 1484 | _rl_init_file_error ("%s: unknown parser directive", directive); |
d60d9f65 SS |
1485 | return (1); |
1486 | } | |
1487 | ||
775e241e TT |
1488 | /* Start at STRING[START] and look for DELIM. Return I where STRING[I] == |
1489 | DELIM or STRING[I] == 0. DELIM is usually a double quote. */ | |
1490 | static int | |
cb41b9e7 | 1491 | _rl_skip_to_delim (char *string, int start, int delim) |
775e241e TT |
1492 | { |
1493 | int i, c, passc; | |
1494 | ||
1495 | for (i = start,passc = 0; c = string[i]; i++) | |
1496 | { | |
1497 | if (passc) | |
1498 | { | |
1499 | passc = 0; | |
1500 | if (c == 0) | |
1501 | break; | |
1502 | continue; | |
1503 | } | |
1504 | ||
1505 | if (c == '\\') | |
1506 | { | |
1507 | passc = 1; | |
1508 | continue; | |
1509 | } | |
1510 | ||
1511 | if (c == delim) | |
1512 | break; | |
1513 | } | |
1514 | ||
1515 | return i; | |
1516 | } | |
1517 | ||
d60d9f65 SS |
1518 | /* Read the binding command from STRING and perform it. |
1519 | A key binding command looks like: Keyname: function-name\0, | |
1520 | a variable binding command looks like: set variable value. | |
1521 | A new-style keybinding looks like "\C-x\C-x": exchange-point-and-mark. */ | |
1522 | int | |
cb41b9e7 | 1523 | rl_parse_and_bind (char *string) |
d60d9f65 SS |
1524 | { |
1525 | char *funname, *kname; | |
1526 | register int c, i; | |
775e241e | 1527 | int key, equivalency, foundmod, foundsep; |
d60d9f65 SS |
1528 | |
1529 | while (string && whitespace (*string)) | |
1530 | string++; | |
1531 | ||
775e241e | 1532 | if (string == 0 || *string == 0 || *string == '#') |
d60d9f65 SS |
1533 | return 0; |
1534 | ||
1535 | /* If this is a parser directive, act on it. */ | |
1536 | if (*string == '$') | |
1537 | { | |
1538 | handle_parser_directive (&string[1]); | |
1539 | return 0; | |
1540 | } | |
1541 | ||
1542 | /* If we aren't supposed to be parsing right now, then we're done. */ | |
1543 | if (_rl_parsing_conditionalized_out) | |
1544 | return 0; | |
1545 | ||
1546 | i = 0; | |
1547 | /* If this keyname is a complex key expression surrounded by quotes, | |
1548 | advance to after the matching close quote. This code allows the | |
1549 | backslash to quote characters in the key expression. */ | |
1550 | if (*string == '"') | |
1551 | { | |
775e241e | 1552 | i = _rl_skip_to_delim (string, 1, '"'); |
5836a818 | 1553 | |
d60d9f65 SS |
1554 | /* If we didn't find a closing quote, abort the line. */ |
1555 | if (string[i] == '\0') | |
1556 | { | |
775e241e | 1557 | _rl_init_file_error ("%s: no closing `\"' in key binding", string); |
d60d9f65 SS |
1558 | return 1; |
1559 | } | |
775e241e TT |
1560 | else |
1561 | i++; /* skip past closing double quote */ | |
d60d9f65 SS |
1562 | } |
1563 | ||
1564 | /* Advance to the colon (:) or whitespace which separates the two objects. */ | |
1565 | for (; (c = string[i]) && c != ':' && c != ' ' && c != '\t'; i++ ); | |
1566 | ||
cb41b9e7 TT |
1567 | if (i == 0) |
1568 | { | |
1569 | _rl_init_file_error ("`%s': invalid key binding: missing key sequence", string); | |
1570 | return 1; | |
1571 | } | |
1572 | ||
d60d9f65 SS |
1573 | equivalency = (c == ':' && string[i + 1] == '='); |
1574 | ||
775e241e TT |
1575 | foundsep = c != 0; |
1576 | ||
d60d9f65 SS |
1577 | /* Mark the end of the command (or keyname). */ |
1578 | if (string[i]) | |
1579 | string[i++] = '\0'; | |
1580 | ||
1581 | /* If doing assignment, skip the '=' sign as well. */ | |
1582 | if (equivalency) | |
1583 | string[i++] = '\0'; | |
1584 | ||
1585 | /* If this is a command to set a variable, then do that. */ | |
1586 | if (_rl_stricmp (string, "set") == 0) | |
1587 | { | |
5bdf8622 | 1588 | char *var, *value, *e; |
775e241e | 1589 | int s; |
d60d9f65 | 1590 | |
5bdf8622 | 1591 | var = string + i; |
d60d9f65 SS |
1592 | /* Make VAR point to start of variable name. */ |
1593 | while (*var && whitespace (*var)) var++; | |
1594 | ||
9255ee31 | 1595 | /* Make VALUE point to start of value string. */ |
d60d9f65 | 1596 | value = var; |
775e241e | 1597 | while (*value && whitespace (*value) == 0) value++; |
d60d9f65 SS |
1598 | if (*value) |
1599 | *value++ = '\0'; | |
1600 | while (*value && whitespace (*value)) value++; | |
1601 | ||
775e241e TT |
1602 | /* Strip trailing whitespace from values of boolean variables. */ |
1603 | if (find_boolean_var (var) >= 0) | |
5bdf8622 | 1604 | { |
b4f26d54 TT |
1605 | /* just read a whitespace-delimited word or empty string */ |
1606 | for (e = value; *e && whitespace (*e) == 0; e++) | |
1607 | ; | |
1608 | if (e > value) | |
1609 | *e = '\0'; /* cut off everything trailing */ | |
5bdf8622 | 1610 | } |
775e241e TT |
1611 | else if ((i = find_string_var (var)) >= 0) |
1612 | { | |
1613 | /* Allow quoted strings in variable values */ | |
1614 | if (*value == '"') | |
1615 | { | |
1616 | i = _rl_skip_to_delim (value, 1, *value); | |
1617 | value[i] = '\0'; | |
1618 | value++; /* skip past the quote */ | |
1619 | } | |
1620 | else | |
b4f26d54 TT |
1621 | { |
1622 | /* remove trailing whitespace */ | |
1623 | e = value + strlen (value) - 1; | |
1624 | while (e >= value && whitespace (*e)) | |
1625 | e--; | |
1626 | e++; /* skip back to whitespace or EOS */ | |
1627 | ||
1628 | if (*e && e >= value) | |
1629 | *e = '\0'; | |
1630 | } | |
775e241e | 1631 | } |
b4f26d54 TT |
1632 | else |
1633 | { | |
1634 | /* avoid calling rl_variable_bind just to find this out */ | |
1635 | _rl_init_file_error ("%s: unknown variable name", var); | |
1636 | return 1; | |
1637 | } | |
1638 | ||
d60d9f65 SS |
1639 | rl_variable_bind (var, value); |
1640 | return 0; | |
1641 | } | |
1642 | ||
1643 | /* Skip any whitespace between keyname and funname. */ | |
1644 | for (; string[i] && whitespace (string[i]); i++); | |
1645 | funname = &string[i]; | |
1646 | ||
1647 | /* Now isolate funname. | |
1648 | For straight function names just look for whitespace, since | |
1649 | that will signify the end of the string. But this could be a | |
1650 | macro definition. In that case, the string is quoted, so skip | |
1651 | to the matching delimiter. We allow the backslash to quote the | |
1652 | delimiter characters in the macro body. */ | |
1653 | /* This code exists to allow whitespace in macro expansions, which | |
1654 | would otherwise be gobbled up by the next `for' loop.*/ | |
1655 | /* XXX - it may be desirable to allow backslash quoting only if " is | |
1656 | the quoted string delimiter, like the shell. */ | |
1657 | if (*funname == '\'' || *funname == '"') | |
1658 | { | |
775e241e TT |
1659 | i = _rl_skip_to_delim (string, i+1, *funname); |
1660 | if (string[i]) | |
d60d9f65 | 1661 | i++; |
cb41b9e7 TT |
1662 | else |
1663 | { | |
1664 | _rl_init_file_error ("`%s': missing closing quote for macro", funname); | |
1665 | return 1; | |
1666 | } | |
d60d9f65 SS |
1667 | } |
1668 | ||
1669 | /* Advance to the end of the string. */ | |
775e241e | 1670 | for (; string[i] && whitespace (string[i]) == 0; i++); |
d60d9f65 SS |
1671 | |
1672 | /* No extra whitespace at the end of the string. */ | |
1673 | string[i] = '\0'; | |
1674 | ||
1675 | /* Handle equivalency bindings here. Make the left-hand side be exactly | |
1676 | whatever the right-hand evaluates to, including keymaps. */ | |
1677 | if (equivalency) | |
1678 | { | |
1679 | return 0; | |
1680 | } | |
1681 | ||
775e241e TT |
1682 | if (foundsep == 0) |
1683 | { | |
1684 | _rl_init_file_error ("%s: no key sequence terminator", string); | |
1685 | return 1; | |
1686 | } | |
1687 | ||
d60d9f65 | 1688 | /* If this is a new-style key-binding, then do the binding with |
5bdf8622 | 1689 | rl_bind_keyseq (). Otherwise, let the older code deal with it. */ |
d60d9f65 SS |
1690 | if (*string == '"') |
1691 | { | |
1692 | char *seq; | |
1693 | register int j, k, passc; | |
1694 | ||
9255ee31 | 1695 | seq = (char *)xmalloc (1 + strlen (string)); |
d60d9f65 SS |
1696 | for (j = 1, k = passc = 0; string[j]; j++) |
1697 | { | |
1698 | /* Allow backslash to quote characters, but leave them in place. | |
1699 | This allows a string to end with a backslash quoting another | |
1700 | backslash, or with a backslash quoting a double quote. The | |
1701 | backslashes are left in place for rl_translate_keyseq (). */ | |
1702 | if (passc || (string[j] == '\\')) | |
1703 | { | |
1704 | seq[k++] = string[j]; | |
1705 | passc = !passc; | |
1706 | continue; | |
1707 | } | |
1708 | ||
1709 | if (string[j] == '"') | |
1710 | break; | |
1711 | ||
1712 | seq[k++] = string[j]; | |
1713 | } | |
1714 | seq[k] = '\0'; | |
1715 | ||
1716 | /* Binding macro? */ | |
1717 | if (*funname == '\'' || *funname == '"') | |
1718 | { | |
1719 | j = strlen (funname); | |
1720 | ||
1721 | /* Remove the delimiting quotes from each end of FUNNAME. */ | |
1722 | if (j && funname[j - 1] == *funname) | |
1723 | funname[j - 1] = '\0'; | |
1724 | ||
1725 | rl_macro_bind (seq, &funname[1], _rl_keymap); | |
1726 | } | |
1727 | else | |
5bdf8622 | 1728 | rl_bind_keyseq (seq, rl_named_function (funname)); |
d60d9f65 | 1729 | |
cc88a640 | 1730 | xfree (seq); |
d60d9f65 SS |
1731 | return 0; |
1732 | } | |
1733 | ||
1734 | /* Get the actual character we want to deal with. */ | |
1735 | kname = strrchr (string, '-'); | |
775e241e | 1736 | if (kname == 0) |
d60d9f65 SS |
1737 | kname = string; |
1738 | else | |
1739 | kname++; | |
1740 | ||
1741 | key = glean_key_from_name (kname); | |
1742 | ||
1743 | /* Add in control and meta bits. */ | |
775e241e | 1744 | foundmod = 0; |
9255ee31 | 1745 | if (substring_member_of_array (string, _rl_possible_control_prefixes)) |
775e241e TT |
1746 | { |
1747 | key = CTRL (_rl_to_upper (key)); | |
1748 | foundmod = 1; | |
1749 | } | |
d60d9f65 | 1750 | |
9255ee31 | 1751 | if (substring_member_of_array (string, _rl_possible_meta_prefixes)) |
775e241e TT |
1752 | { |
1753 | key = META (key); | |
1754 | foundmod = 1; | |
1755 | } | |
1756 | ||
1757 | if (foundmod == 0 && kname != string) | |
1758 | { | |
1759 | _rl_init_file_error ("%s: unknown key modifier", string); | |
1760 | return 1; | |
1761 | } | |
d60d9f65 SS |
1762 | |
1763 | /* Temporary. Handle old-style keyname with macro-binding. */ | |
1764 | if (*funname == '\'' || *funname == '"') | |
1765 | { | |
9255ee31 | 1766 | char useq[2]; |
d60d9f65 SS |
1767 | int fl = strlen (funname); |
1768 | ||
1769 | useq[0] = key; useq[1] = '\0'; | |
1770 | if (fl && funname[fl - 1] == *funname) | |
1771 | funname[fl - 1] = '\0'; | |
1772 | ||
1773 | rl_macro_bind (useq, &funname[1], _rl_keymap); | |
1774 | } | |
1775 | #if defined (PREFIX_META_HACK) | |
1776 | /* Ugly, but working hack to keep prefix-meta around. */ | |
1777 | else if (_rl_stricmp (funname, "prefix-meta") == 0) | |
1778 | { | |
1779 | char seq[2]; | |
1780 | ||
1781 | seq[0] = key; | |
1782 | seq[1] = '\0'; | |
1783 | rl_generic_bind (ISKMAP, seq, (char *)emacs_meta_keymap, _rl_keymap); | |
1784 | } | |
1785 | #endif /* PREFIX_META_HACK */ | |
1786 | else | |
1787 | rl_bind_key (key, rl_named_function (funname)); | |
775e241e | 1788 | |
d60d9f65 SS |
1789 | return 0; |
1790 | } | |
1791 | ||
1792 | /* Simple structure for boolean readline variables (i.e., those that can | |
1793 | have one of two values; either "On" or 1 for truth, or "Off" or 0 for | |
1794 | false. */ | |
1795 | ||
1b17e766 EZ |
1796 | #define V_SPECIAL 0x1 |
1797 | ||
cc88a640 JK |
1798 | static const struct { |
1799 | const char * const name; | |
d60d9f65 | 1800 | int *value; |
1b17e766 | 1801 | int flags; |
d60d9f65 | 1802 | } boolean_varlist [] = { |
5bdf8622 | 1803 | { "bind-tty-special-chars", &_rl_bind_stty_chars, 0 }, |
1b17e766 | 1804 | { "blink-matching-paren", &rl_blink_matching_paren, V_SPECIAL }, |
9255ee31 | 1805 | { "byte-oriented", &rl_byte_oriented, 0 }, |
775e241e TT |
1806 | #if defined (COLOR_SUPPORT) |
1807 | { "colored-completion-prefix",&_rl_colored_completion_prefix, 0 }, | |
1808 | { "colored-stats", &_rl_colored_stats, 0 }, | |
1809 | #endif | |
1b17e766 | 1810 | { "completion-ignore-case", &_rl_completion_case_fold, 0 }, |
cc88a640 | 1811 | { "completion-map-case", &_rl_completion_case_map, 0 }, |
1b17e766 EZ |
1812 | { "convert-meta", &_rl_convert_meta_chars_to_ascii, 0 }, |
1813 | { "disable-completion", &rl_inhibit_completion, 0 }, | |
cc88a640 | 1814 | { "echo-control-characters", &_rl_echo_control_chars, 0 }, |
b4f26d54 | 1815 | { "enable-bracketed-paste", &_rl_enable_bracketed_paste, V_SPECIAL }, |
1b17e766 | 1816 | { "enable-keypad", &_rl_enable_keypad, 0 }, |
cc88a640 | 1817 | { "enable-meta-key", &_rl_enable_meta, 0 }, |
1b17e766 | 1818 | { "expand-tilde", &rl_complete_with_tilde_expansion, 0 }, |
9255ee31 | 1819 | { "history-preserve-point", &_rl_history_preserve_point, 0 }, |
1b17e766 EZ |
1820 | { "horizontal-scroll-mode", &_rl_horizontal_scroll_mode, 0 }, |
1821 | { "input-meta", &_rl_meta_flag, 0 }, | |
1822 | { "mark-directories", &_rl_complete_mark_directories, 0 }, | |
1823 | { "mark-modified-lines", &_rl_mark_modified_lines, 0 }, | |
9255ee31 EZ |
1824 | { "mark-symlinked-directories", &_rl_complete_mark_symlink_dirs, 0 }, |
1825 | { "match-hidden-files", &_rl_match_hidden_files, 0 }, | |
cc88a640 | 1826 | { "menu-complete-display-prefix", &_rl_menu_complete_prefix_first, 0 }, |
1b17e766 EZ |
1827 | { "meta-flag", &_rl_meta_flag, 0 }, |
1828 | { "output-meta", &_rl_output_meta_chars, 0 }, | |
9255ee31 | 1829 | { "page-completions", &_rl_page_completions, 0 }, |
1b17e766 EZ |
1830 | { "prefer-visible-bell", &_rl_prefer_visible_bell, V_SPECIAL }, |
1831 | { "print-completions-horizontally", &_rl_print_completions_horizontally, 0 }, | |
cc88a640 | 1832 | { "revert-all-at-newline", &_rl_revert_all_at_newline, 0 }, |
1b17e766 | 1833 | { "show-all-if-ambiguous", &_rl_complete_show_all, 0 }, |
5bdf8622 | 1834 | { "show-all-if-unmodified", &_rl_complete_show_unmodified, 0 }, |
775e241e | 1835 | { "show-mode-in-prompt", &_rl_show_mode_in_prompt, 0 }, |
cc88a640 | 1836 | { "skip-completed-text", &_rl_skip_completed_text, 0 }, |
d60d9f65 | 1837 | #if defined (VISIBLE_STATS) |
1b17e766 | 1838 | { "visible-stats", &rl_visible_stats, 0 }, |
d60d9f65 | 1839 | #endif /* VISIBLE_STATS */ |
cc88a640 | 1840 | { (char *)NULL, (int *)NULL, 0 } |
d60d9f65 SS |
1841 | }; |
1842 | ||
1b17e766 | 1843 | static int |
cb41b9e7 | 1844 | find_boolean_var (const char *name) |
1b17e766 EZ |
1845 | { |
1846 | register int i; | |
1847 | ||
1848 | for (i = 0; boolean_varlist[i].name; i++) | |
1849 | if (_rl_stricmp (name, boolean_varlist[i].name) == 0) | |
1850 | return i; | |
1851 | return -1; | |
1852 | } | |
1853 | ||
cb41b9e7 TT |
1854 | static const char * |
1855 | boolean_varname (int i) | |
1856 | { | |
1857 | return ((i >= 0) ? boolean_varlist[i].name : (char *)NULL); | |
1858 | } | |
1859 | ||
1b17e766 EZ |
1860 | /* Hooks for handling special boolean variables, where a |
1861 | function needs to be called or another variable needs | |
1862 | to be changed when they're changed. */ | |
1863 | static void | |
cb41b9e7 | 1864 | hack_special_boolean_var (int i) |
1b17e766 | 1865 | { |
9255ee31 | 1866 | const char *name; |
1b17e766 EZ |
1867 | |
1868 | name = boolean_varlist[i].name; | |
1869 | ||
1870 | if (_rl_stricmp (name, "blink-matching-paren") == 0) | |
1871 | _rl_enable_paren_matching (rl_blink_matching_paren); | |
1872 | else if (_rl_stricmp (name, "prefer-visible-bell") == 0) | |
1873 | { | |
1874 | if (_rl_prefer_visible_bell) | |
1875 | _rl_bell_preference = VISIBLE_BELL; | |
1876 | else | |
1877 | _rl_bell_preference = AUDIBLE_BELL; | |
1878 | } | |
775e241e TT |
1879 | else if (_rl_stricmp (name, "show-mode-in-prompt") == 0) |
1880 | _rl_reset_prompt (); | |
b4f26d54 TT |
1881 | else if (_rl_stricmp (name, "enable-bracketed-paste") == 0) |
1882 | _rl_enable_active_region = _rl_enable_bracketed_paste; | |
1b17e766 EZ |
1883 | } |
1884 | ||
9255ee31 EZ |
1885 | typedef int _rl_sv_func_t PARAMS((const char *)); |
1886 | ||
1b17e766 EZ |
1887 | /* These *must* correspond to the array indices for the appropriate |
1888 | string variable. (Though they're not used right now.) */ | |
1889 | #define V_BELLSTYLE 0 | |
1890 | #define V_COMBEGIN 1 | |
1891 | #define V_EDITMODE 2 | |
1892 | #define V_ISRCHTERM 3 | |
1893 | #define V_KEYMAP 4 | |
1894 | ||
1895 | #define V_STRING 1 | |
1896 | #define V_INT 2 | |
1897 | ||
1898 | /* Forward declarations */ | |
9255ee31 EZ |
1899 | static int sv_bell_style PARAMS((const char *)); |
1900 | static int sv_combegin PARAMS((const char *)); | |
cc88a640 | 1901 | static int sv_dispprefix PARAMS((const char *)); |
9255ee31 | 1902 | static int sv_compquery PARAMS((const char *)); |
cc88a640 | 1903 | static int sv_compwidth PARAMS((const char *)); |
9255ee31 | 1904 | static int sv_editmode PARAMS((const char *)); |
775e241e | 1905 | static int sv_emacs_modestr PARAMS((const char *)); |
cc88a640 | 1906 | static int sv_histsize PARAMS((const char *)); |
9255ee31 EZ |
1907 | static int sv_isrchterm PARAMS((const char *)); |
1908 | static int sv_keymap PARAMS((const char *)); | |
775e241e TT |
1909 | static int sv_seqtimeout PARAMS((const char *)); |
1910 | static int sv_viins_modestr PARAMS((const char *)); | |
1911 | static int sv_vicmd_modestr PARAMS((const char *)); | |
1b17e766 | 1912 | |
cc88a640 JK |
1913 | static const struct { |
1914 | const char * const name; | |
1b17e766 | 1915 | int flags; |
9255ee31 | 1916 | _rl_sv_func_t *set_func; |
1b17e766 EZ |
1917 | } string_varlist[] = { |
1918 | { "bell-style", V_STRING, sv_bell_style }, | |
1919 | { "comment-begin", V_STRING, sv_combegin }, | |
cc88a640 JK |
1920 | { "completion-display-width", V_INT, sv_compwidth }, |
1921 | { "completion-prefix-display-length", V_INT, sv_dispprefix }, | |
1b17e766 EZ |
1922 | { "completion-query-items", V_INT, sv_compquery }, |
1923 | { "editing-mode", V_STRING, sv_editmode }, | |
775e241e | 1924 | { "emacs-mode-string", V_STRING, sv_emacs_modestr }, |
cc88a640 | 1925 | { "history-size", V_INT, sv_histsize }, |
1b17e766 EZ |
1926 | { "isearch-terminators", V_STRING, sv_isrchterm }, |
1927 | { "keymap", V_STRING, sv_keymap }, | |
775e241e TT |
1928 | { "keyseq-timeout", V_INT, sv_seqtimeout }, |
1929 | { "vi-cmd-mode-string", V_STRING, sv_vicmd_modestr }, | |
1930 | { "vi-ins-mode-string", V_STRING, sv_viins_modestr }, | |
cc88a640 | 1931 | { (char *)NULL, 0, (_rl_sv_func_t *)0 } |
1b17e766 EZ |
1932 | }; |
1933 | ||
1934 | static int | |
cb41b9e7 | 1935 | find_string_var (const char *name) |
1b17e766 EZ |
1936 | { |
1937 | register int i; | |
1938 | ||
1939 | for (i = 0; string_varlist[i].name; i++) | |
1940 | if (_rl_stricmp (name, string_varlist[i].name) == 0) | |
1941 | return i; | |
1942 | return -1; | |
1943 | } | |
1944 | ||
cb41b9e7 TT |
1945 | static const char * |
1946 | string_varname (int i) | |
1947 | { | |
1948 | return ((i >= 0) ? string_varlist[i].name : (char *)NULL); | |
1949 | } | |
1950 | ||
1b17e766 | 1951 | /* A boolean value that can appear in a `set variable' command is true if |
b4f26d54 | 1952 | the value is null or empty, `on' (case-insensitive), or "1". All other |
1b17e766 EZ |
1953 | values result in 0 (false). */ |
1954 | static int | |
cb41b9e7 | 1955 | bool_to_int (const char *value) |
1b17e766 EZ |
1956 | { |
1957 | return (value == 0 || *value == '\0' || | |
1958 | (_rl_stricmp (value, "on") == 0) || | |
1959 | (value[0] == '1' && value[1] == '\0')); | |
1960 | } | |
1961 | ||
5bdf8622 | 1962 | char * |
cb41b9e7 | 1963 | rl_variable_value (const char *name) |
5bdf8622 DJ |
1964 | { |
1965 | register int i; | |
5bdf8622 DJ |
1966 | |
1967 | /* Check for simple variables first. */ | |
1968 | i = find_boolean_var (name); | |
1969 | if (i >= 0) | |
1970 | return (*boolean_varlist[i].value ? "on" : "off"); | |
1971 | ||
1972 | i = find_string_var (name); | |
1973 | if (i >= 0) | |
1974 | return (_rl_get_string_variable_value (string_varlist[i].name)); | |
1975 | ||
1976 | /* Unknown variable names return NULL. */ | |
b4f26d54 | 1977 | return (char *)NULL; |
5bdf8622 DJ |
1978 | } |
1979 | ||
d60d9f65 | 1980 | int |
cb41b9e7 | 1981 | rl_variable_bind (const char *name, const char *value) |
d60d9f65 SS |
1982 | { |
1983 | register int i; | |
1b17e766 | 1984 | int v; |
d60d9f65 SS |
1985 | |
1986 | /* Check for simple variables first. */ | |
1b17e766 EZ |
1987 | i = find_boolean_var (name); |
1988 | if (i >= 0) | |
d60d9f65 | 1989 | { |
1b17e766 EZ |
1990 | *boolean_varlist[i].value = bool_to_int (value); |
1991 | if (boolean_varlist[i].flags & V_SPECIAL) | |
1992 | hack_special_boolean_var (i); | |
1993 | return 0; | |
d60d9f65 SS |
1994 | } |
1995 | ||
1b17e766 EZ |
1996 | i = find_string_var (name); |
1997 | ||
775e241e TT |
1998 | /* For the time being, string names without a handler function are simply |
1999 | ignored. */ | |
1b17e766 | 2000 | if (i < 0 || string_varlist[i].set_func == 0) |
775e241e TT |
2001 | { |
2002 | if (i < 0) | |
2003 | _rl_init_file_error ("%s: unknown variable name", name); | |
2004 | return 0; | |
2005 | } | |
d60d9f65 | 2006 | |
1b17e766 | 2007 | v = (*string_varlist[i].set_func) (value); |
b4f26d54 TT |
2008 | if (v != 0) |
2009 | _rl_init_file_error ("%s: could not set value to `%s'", name, value); | |
1b17e766 EZ |
2010 | return v; |
2011 | } | |
2012 | ||
2013 | static int | |
cb41b9e7 | 2014 | sv_editmode (const char *value) |
1b17e766 EZ |
2015 | { |
2016 | if (_rl_strnicmp (value, "vi", 2) == 0) | |
d60d9f65 | 2017 | { |
d60d9f65 | 2018 | #if defined (VI_MODE) |
1b17e766 EZ |
2019 | _rl_keymap = vi_insertion_keymap; |
2020 | rl_editing_mode = vi_mode; | |
d60d9f65 | 2021 | #endif /* VI_MODE */ |
1b17e766 | 2022 | return 0; |
d60d9f65 | 2023 | } |
1b17e766 | 2024 | else if (_rl_strnicmp (value, "emacs", 5) == 0) |
d60d9f65 | 2025 | { |
1b17e766 EZ |
2026 | _rl_keymap = emacs_standard_keymap; |
2027 | rl_editing_mode = emacs_mode; | |
2028 | return 0; | |
d60d9f65 | 2029 | } |
1b17e766 EZ |
2030 | return 1; |
2031 | } | |
2032 | ||
2033 | static int | |
cb41b9e7 | 2034 | sv_combegin (const char *value) |
1b17e766 EZ |
2035 | { |
2036 | if (value && *value) | |
d60d9f65 | 2037 | { |
1b17e766 EZ |
2038 | FREE (_rl_comment_begin); |
2039 | _rl_comment_begin = savestring (value); | |
2040 | return 0; | |
d60d9f65 | 2041 | } |
1b17e766 EZ |
2042 | return 1; |
2043 | } | |
2044 | ||
cc88a640 | 2045 | static int |
cb41b9e7 | 2046 | sv_dispprefix (const char *value) |
cc88a640 JK |
2047 | { |
2048 | int nval = 0; | |
2049 | ||
2050 | if (value && *value) | |
2051 | { | |
2052 | nval = atoi (value); | |
2053 | if (nval < 0) | |
2054 | nval = 0; | |
2055 | } | |
2056 | _rl_completion_prefix_display_length = nval; | |
2057 | return 0; | |
2058 | } | |
2059 | ||
1b17e766 | 2060 | static int |
cb41b9e7 | 2061 | sv_compquery (const char *value) |
1b17e766 EZ |
2062 | { |
2063 | int nval = 100; | |
2064 | ||
2065 | if (value && *value) | |
d60d9f65 | 2066 | { |
1b17e766 EZ |
2067 | nval = atoi (value); |
2068 | if (nval < 0) | |
2069 | nval = 0; | |
d60d9f65 | 2070 | } |
1b17e766 EZ |
2071 | rl_completion_query_items = nval; |
2072 | return 0; | |
2073 | } | |
2074 | ||
cc88a640 | 2075 | static int |
cb41b9e7 | 2076 | sv_compwidth (const char *value) |
cc88a640 JK |
2077 | { |
2078 | int nval = -1; | |
2079 | ||
2080 | if (value && *value) | |
2081 | nval = atoi (value); | |
2082 | ||
2083 | _rl_completion_columns = nval; | |
2084 | return 0; | |
2085 | } | |
2086 | ||
2087 | static int | |
cb41b9e7 | 2088 | sv_histsize (const char *value) |
cc88a640 | 2089 | { |
775e241e | 2090 | int nval; |
cc88a640 | 2091 | |
775e241e | 2092 | nval = 500; |
cc88a640 JK |
2093 | if (value && *value) |
2094 | { | |
2095 | nval = atoi (value); | |
2096 | if (nval < 0) | |
775e241e TT |
2097 | { |
2098 | unstifle_history (); | |
2099 | return 0; | |
2100 | } | |
cc88a640 JK |
2101 | } |
2102 | stifle_history (nval); | |
2103 | return 0; | |
2104 | } | |
2105 | ||
1b17e766 | 2106 | static int |
cb41b9e7 | 2107 | sv_keymap (const char *value) |
1b17e766 EZ |
2108 | { |
2109 | Keymap kmap; | |
2110 | ||
2111 | kmap = rl_get_keymap_by_name (value); | |
2112 | if (kmap) | |
d60d9f65 | 2113 | { |
1b17e766 EZ |
2114 | rl_set_keymap (kmap); |
2115 | return 0; | |
d60d9f65 | 2116 | } |
1b17e766 EZ |
2117 | return 1; |
2118 | } | |
2119 | ||
775e241e | 2120 | static int |
cb41b9e7 | 2121 | sv_seqtimeout (const char *value) |
775e241e TT |
2122 | { |
2123 | int nval; | |
2124 | ||
2125 | nval = 0; | |
2126 | if (value && *value) | |
2127 | { | |
2128 | nval = atoi (value); | |
2129 | if (nval < 0) | |
2130 | nval = 0; | |
2131 | } | |
2132 | _rl_keyseq_timeout = nval; | |
2133 | return 0; | |
2134 | } | |
2135 | ||
1b17e766 | 2136 | static int |
cb41b9e7 | 2137 | sv_bell_style (const char *value) |
1b17e766 EZ |
2138 | { |
2139 | if (value == 0 || *value == '\0') | |
9255ee31 | 2140 | _rl_bell_preference = AUDIBLE_BELL; |
1b17e766 | 2141 | else if (_rl_stricmp (value, "none") == 0 || _rl_stricmp (value, "off") == 0) |
9255ee31 | 2142 | _rl_bell_preference = NO_BELL; |
1b17e766 | 2143 | else if (_rl_stricmp (value, "audible") == 0 || _rl_stricmp (value, "on") == 0) |
9255ee31 | 2144 | _rl_bell_preference = AUDIBLE_BELL; |
1b17e766 | 2145 | else if (_rl_stricmp (value, "visible") == 0) |
9255ee31 | 2146 | _rl_bell_preference = VISIBLE_BELL; |
1b17e766 EZ |
2147 | else |
2148 | return 1; | |
9255ee31 | 2149 | return 0; |
1b17e766 | 2150 | } |
1b17e766 EZ |
2151 | |
2152 | static int | |
cb41b9e7 | 2153 | sv_isrchterm (const char *value) |
1b17e766 EZ |
2154 | { |
2155 | int beg, end, delim; | |
2156 | char *v; | |
2157 | ||
2158 | if (value == 0) | |
2159 | return 1; | |
2160 | ||
2161 | /* Isolate the value and translate it into a character string. */ | |
2162 | v = savestring (value); | |
2163 | FREE (_rl_isearch_terminators); | |
2164 | if (v[0] == '"' || v[0] == '\'') | |
d60d9f65 | 2165 | { |
1b17e766 EZ |
2166 | delim = v[0]; |
2167 | for (beg = end = 1; v[end] && v[end] != delim; end++) | |
2168 | ; | |
d60d9f65 | 2169 | } |
1b17e766 | 2170 | else |
c862e87b | 2171 | { |
775e241e | 2172 | for (beg = end = 0; v[end] && whitespace (v[end]) == 0; end++) |
1b17e766 EZ |
2173 | ; |
2174 | } | |
d60d9f65 | 2175 | |
1b17e766 | 2176 | v[end] = '\0'; |
c862e87b | 2177 | |
1b17e766 | 2178 | /* The value starts at v + beg. Translate it into a character string. */ |
9255ee31 | 2179 | _rl_isearch_terminators = (char *)xmalloc (2 * strlen (v) + 1); |
1b17e766 EZ |
2180 | rl_translate_keyseq (v + beg, _rl_isearch_terminators, &end); |
2181 | _rl_isearch_terminators[end] = '\0'; | |
2182 | ||
cc88a640 | 2183 | xfree (v); |
d60d9f65 SS |
2184 | return 0; |
2185 | } | |
775e241e TT |
2186 | |
2187 | extern char *_rl_emacs_mode_str; | |
2188 | ||
2189 | static int | |
cb41b9e7 | 2190 | sv_emacs_modestr (const char *value) |
775e241e TT |
2191 | { |
2192 | if (value && *value) | |
2193 | { | |
2194 | FREE (_rl_emacs_mode_str); | |
2195 | _rl_emacs_mode_str = (char *)xmalloc (2 * strlen (value) + 1); | |
2196 | rl_translate_keyseq (value, _rl_emacs_mode_str, &_rl_emacs_modestr_len); | |
2197 | _rl_emacs_mode_str[_rl_emacs_modestr_len] = '\0'; | |
2198 | return 0; | |
2199 | } | |
2200 | else if (value) | |
2201 | { | |
2202 | FREE (_rl_emacs_mode_str); | |
2203 | _rl_emacs_mode_str = (char *)xmalloc (1); | |
2204 | _rl_emacs_mode_str[_rl_emacs_modestr_len = 0] = '\0'; | |
2205 | return 0; | |
2206 | } | |
2207 | else if (value == 0) | |
2208 | { | |
2209 | FREE (_rl_emacs_mode_str); | |
2210 | _rl_emacs_mode_str = 0; /* prompt_modestr does the right thing */ | |
2211 | _rl_emacs_modestr_len = 0; | |
2212 | return 0; | |
2213 | } | |
2214 | return 1; | |
2215 | } | |
2216 | ||
2217 | static int | |
cb41b9e7 | 2218 | sv_viins_modestr (const char *value) |
775e241e TT |
2219 | { |
2220 | if (value && *value) | |
2221 | { | |
2222 | FREE (_rl_vi_ins_mode_str); | |
2223 | _rl_vi_ins_mode_str = (char *)xmalloc (2 * strlen (value) + 1); | |
2224 | rl_translate_keyseq (value, _rl_vi_ins_mode_str, &_rl_vi_ins_modestr_len); | |
2225 | _rl_vi_ins_mode_str[_rl_vi_ins_modestr_len] = '\0'; | |
2226 | return 0; | |
2227 | } | |
2228 | else if (value) | |
2229 | { | |
2230 | FREE (_rl_vi_ins_mode_str); | |
2231 | _rl_vi_ins_mode_str = (char *)xmalloc (1); | |
2232 | _rl_vi_ins_mode_str[_rl_vi_ins_modestr_len = 0] = '\0'; | |
2233 | return 0; | |
2234 | } | |
2235 | else if (value == 0) | |
2236 | { | |
2237 | FREE (_rl_vi_ins_mode_str); | |
2238 | _rl_vi_ins_mode_str = 0; /* prompt_modestr does the right thing */ | |
2239 | _rl_vi_ins_modestr_len = 0; | |
2240 | return 0; | |
2241 | } | |
2242 | return 1; | |
2243 | } | |
2244 | ||
2245 | static int | |
cb41b9e7 | 2246 | sv_vicmd_modestr (const char *value) |
775e241e TT |
2247 | { |
2248 | if (value && *value) | |
2249 | { | |
2250 | FREE (_rl_vi_cmd_mode_str); | |
2251 | _rl_vi_cmd_mode_str = (char *)xmalloc (2 * strlen (value) + 1); | |
2252 | rl_translate_keyseq (value, _rl_vi_cmd_mode_str, &_rl_vi_cmd_modestr_len); | |
2253 | _rl_vi_cmd_mode_str[_rl_vi_cmd_modestr_len] = '\0'; | |
2254 | return 0; | |
2255 | } | |
2256 | else if (value) | |
2257 | { | |
2258 | FREE (_rl_vi_cmd_mode_str); | |
2259 | _rl_vi_cmd_mode_str = (char *)xmalloc (1); | |
2260 | _rl_vi_cmd_mode_str[_rl_vi_cmd_modestr_len = 0] = '\0'; | |
2261 | return 0; | |
2262 | } | |
2263 | else if (value == 0) | |
2264 | { | |
2265 | FREE (_rl_vi_cmd_mode_str); | |
2266 | _rl_vi_cmd_mode_str = 0; /* prompt_modestr does the right thing */ | |
2267 | _rl_vi_cmd_modestr_len = 0; | |
2268 | return 0; | |
2269 | } | |
2270 | return 1; | |
2271 | } | |
2272 | ||
d60d9f65 SS |
2273 | /* Return the character which matches NAME. |
2274 | For example, `Space' returns ' '. */ | |
2275 | ||
2276 | typedef struct { | |
cc88a640 | 2277 | const char * const name; |
d60d9f65 SS |
2278 | int value; |
2279 | } assoc_list; | |
2280 | ||
cc88a640 | 2281 | static const assoc_list name_key_alist[] = { |
d60d9f65 SS |
2282 | { "DEL", 0x7f }, |
2283 | { "ESC", '\033' }, | |
2284 | { "Escape", '\033' }, | |
2285 | { "LFD", '\n' }, | |
2286 | { "Newline", '\n' }, | |
2287 | { "RET", '\r' }, | |
2288 | { "Return", '\r' }, | |
2289 | { "Rubout", 0x7f }, | |
2290 | { "SPC", ' ' }, | |
2291 | { "Space", ' ' }, | |
2292 | { "Tab", 0x09 }, | |
2293 | { (char *)0x0, 0 } | |
2294 | }; | |
2295 | ||
2296 | static int | |
cb41b9e7 | 2297 | glean_key_from_name (char *name) |
d60d9f65 SS |
2298 | { |
2299 | register int i; | |
2300 | ||
2301 | for (i = 0; name_key_alist[i].name; i++) | |
2302 | if (_rl_stricmp (name, name_key_alist[i].name) == 0) | |
2303 | return (name_key_alist[i].value); | |
2304 | ||
2305 | return (*(unsigned char *)name); /* XXX was return (*name) */ | |
2306 | } | |
2307 | ||
2308 | /* Auxiliary functions to manage keymaps. */ | |
cb41b9e7 TT |
2309 | struct name_and_keymap { |
2310 | char *name; | |
d60d9f65 | 2311 | Keymap map; |
cb41b9e7 TT |
2312 | }; |
2313 | ||
2314 | static struct name_and_keymap builtin_keymap_names[] = { | |
d60d9f65 SS |
2315 | { "emacs", emacs_standard_keymap }, |
2316 | { "emacs-standard", emacs_standard_keymap }, | |
2317 | { "emacs-meta", emacs_meta_keymap }, | |
2318 | { "emacs-ctlx", emacs_ctlx_keymap }, | |
2319 | #if defined (VI_MODE) | |
2320 | { "vi", vi_movement_keymap }, | |
2321 | { "vi-move", vi_movement_keymap }, | |
2322 | { "vi-command", vi_movement_keymap }, | |
2323 | { "vi-insert", vi_insertion_keymap }, | |
2324 | #endif /* VI_MODE */ | |
2325 | { (char *)0x0, (Keymap)0x0 } | |
2326 | }; | |
2327 | ||
cb41b9e7 TT |
2328 | /* -1 for NULL entry */ |
2329 | #define NUM_BUILTIN_KEYMAPS (sizeof (builtin_keymap_names) / sizeof (builtin_keymap_names[0]) - 1) | |
2330 | ||
2331 | static struct name_and_keymap *keymap_names = builtin_keymap_names; | |
2332 | ||
2333 | static int | |
2334 | _rl_get_keymap_by_name (const char *name) | |
d60d9f65 SS |
2335 | { |
2336 | register int i; | |
2337 | ||
2338 | for (i = 0; keymap_names[i].name; i++) | |
9255ee31 | 2339 | if (_rl_stricmp (name, keymap_names[i].name) == 0) |
cb41b9e7 TT |
2340 | return (i); |
2341 | return -1; | |
d60d9f65 SS |
2342 | } |
2343 | ||
cb41b9e7 TT |
2344 | Keymap |
2345 | rl_get_keymap_by_name (const char *name) | |
2346 | { | |
2347 | int i; | |
2348 | ||
2349 | i = _rl_get_keymap_by_name (name); | |
2350 | return ((i >= 0) ? keymap_names[i].map : (Keymap) NULL); | |
2351 | } | |
2352 | ||
2353 | static int | |
2354 | _rl_get_keymap_by_map (Keymap map) | |
d60d9f65 SS |
2355 | { |
2356 | register int i; | |
cb41b9e7 | 2357 | |
d60d9f65 SS |
2358 | for (i = 0; keymap_names[i].name; i++) |
2359 | if (map == keymap_names[i].map) | |
cb41b9e7 TT |
2360 | return (i); |
2361 | return -1; | |
d60d9f65 | 2362 | } |
cb41b9e7 TT |
2363 | |
2364 | char * | |
2365 | rl_get_keymap_name (Keymap map) | |
2366 | { | |
2367 | int i; | |
2368 | ||
2369 | i = _rl_get_keymap_by_map (map); | |
2370 | return ((i >= 0) ? keymap_names[i].name : (char *)NULL); | |
2371 | } | |
2372 | ||
2373 | int | |
2374 | rl_set_keymap_name (const char *name, Keymap map) | |
2375 | { | |
2376 | int i, ni, mi; | |
2377 | ||
2378 | /* First check whether or not we're trying to rename a builtin keymap */ | |
2379 | mi = _rl_get_keymap_by_map (map); | |
2380 | if (mi >= 0 && mi < NUM_BUILTIN_KEYMAPS) | |
2381 | return -1; | |
2382 | ||
2383 | /* Then reject attempts to set one of the builtin names to a new map */ | |
2384 | ni = _rl_get_keymap_by_name (name); | |
2385 | if (ni >= 0 && ni < NUM_BUILTIN_KEYMAPS) | |
2386 | return -1; | |
2387 | ||
2388 | /* Renaming a keymap we already added */ | |
2389 | if (mi >= 0) /* XXX - could be >= NUM_BUILTIN_KEYMAPS */ | |
2390 | { | |
2391 | xfree (keymap_names[mi].name); | |
2392 | keymap_names[mi].name = savestring (name); | |
2393 | return mi; | |
2394 | } | |
2395 | ||
2396 | /* Associating new keymap with existing name */ | |
2397 | if (ni >= 0) | |
2398 | { | |
2399 | keymap_names[ni].map = map; | |
2400 | return ni; | |
2401 | } | |
2402 | ||
2403 | for (i = 0; keymap_names[i].name; i++) | |
2404 | ; | |
2405 | ||
2406 | if (keymap_names == builtin_keymap_names) | |
2407 | { | |
2408 | keymap_names = xmalloc ((i + 2) * sizeof (struct name_and_keymap)); | |
2409 | memcpy (keymap_names, builtin_keymap_names, i * sizeof (struct name_and_keymap)); | |
2410 | } | |
2411 | else | |
2412 | keymap_names = xrealloc (keymap_names, (i + 2) * sizeof (struct name_and_keymap)); | |
2413 | ||
2414 | keymap_names[i].name = savestring (name); | |
2415 | keymap_names[i].map = map; | |
2416 | ||
2417 | keymap_names[i+1].name = NULL; | |
2418 | keymap_names[i+1].map = NULL; | |
2419 | ||
2420 | return i; | |
2421 | } | |
2422 | ||
d60d9f65 | 2423 | void |
cb41b9e7 | 2424 | rl_set_keymap (Keymap map) |
d60d9f65 SS |
2425 | { |
2426 | if (map) | |
2427 | _rl_keymap = map; | |
2428 | } | |
2429 | ||
2430 | Keymap | |
cb41b9e7 | 2431 | rl_get_keymap (void) |
d60d9f65 SS |
2432 | { |
2433 | return (_rl_keymap); | |
2434 | } | |
2435 | ||
2436 | void | |
cb41b9e7 | 2437 | rl_set_keymap_from_edit_mode (void) |
d60d9f65 SS |
2438 | { |
2439 | if (rl_editing_mode == emacs_mode) | |
2440 | _rl_keymap = emacs_standard_keymap; | |
2441 | #if defined (VI_MODE) | |
2442 | else if (rl_editing_mode == vi_mode) | |
2443 | _rl_keymap = vi_insertion_keymap; | |
2444 | #endif /* VI_MODE */ | |
2445 | } | |
2446 | ||
2447 | char * | |
cb41b9e7 | 2448 | rl_get_keymap_name_from_edit_mode (void) |
d60d9f65 SS |
2449 | { |
2450 | if (rl_editing_mode == emacs_mode) | |
2451 | return "emacs"; | |
2452 | #if defined (VI_MODE) | |
2453 | else if (rl_editing_mode == vi_mode) | |
2454 | return "vi"; | |
2455 | #endif /* VI_MODE */ | |
2456 | else | |
2457 | return "none"; | |
2458 | } | |
2459 | ||
2460 | /* **************************************************************** */ | |
2461 | /* */ | |
2462 | /* Key Binding and Function Information */ | |
2463 | /* */ | |
2464 | /* **************************************************************** */ | |
2465 | ||
2466 | /* Each of the following functions produces information about the | |
2467 | state of keybindings and functions known to Readline. The info | |
2468 | is always printed to rl_outstream, and in such a way that it can | |
5bdf8622 | 2469 | be read back in (i.e., passed to rl_parse_and_bind ()). */ |
d60d9f65 SS |
2470 | |
2471 | /* Print the names of functions known to Readline. */ | |
2472 | void | |
cb41b9e7 | 2473 | rl_list_funmap_names (void) |
d60d9f65 SS |
2474 | { |
2475 | register int i; | |
9255ee31 | 2476 | const char **funmap_names; |
d60d9f65 SS |
2477 | |
2478 | funmap_names = rl_funmap_names (); | |
2479 | ||
2480 | if (!funmap_names) | |
2481 | return; | |
2482 | ||
2483 | for (i = 0; funmap_names[i]; i++) | |
2484 | fprintf (rl_outstream, "%s\n", funmap_names[i]); | |
2485 | ||
cc88a640 | 2486 | xfree (funmap_names); |
d60d9f65 SS |
2487 | } |
2488 | ||
2489 | static char * | |
cb41b9e7 | 2490 | _rl_get_keyname (int key) |
d60d9f65 SS |
2491 | { |
2492 | char *keyname; | |
c862e87b | 2493 | int i, c; |
d60d9f65 SS |
2494 | |
2495 | keyname = (char *)xmalloc (8); | |
2496 | ||
2497 | c = key; | |
2498 | /* Since this is going to be used to write out keysequence-function | |
2499 | pairs for possible inclusion in an inputrc file, we don't want to | |
2500 | do any special meta processing on KEY. */ | |
2501 | ||
9255ee31 EZ |
2502 | #if 1 |
2503 | /* XXX - Experimental */ | |
d60d9f65 SS |
2504 | /* We might want to do this, but the old version of the code did not. */ |
2505 | ||
2506 | /* If this is an escape character, we don't want to do any more processing. | |
2507 | Just add the special ESC key sequence and return. */ | |
2508 | if (c == ESC) | |
2509 | { | |
9255ee31 EZ |
2510 | keyname[0] = '\\'; |
2511 | keyname[1] = 'e'; | |
2512 | keyname[2] = '\0'; | |
2513 | return keyname; | |
d60d9f65 SS |
2514 | } |
2515 | #endif | |
2516 | ||
2517 | /* RUBOUT is translated directly into \C-? */ | |
2518 | if (key == RUBOUT) | |
2519 | { | |
2520 | keyname[0] = '\\'; | |
2521 | keyname[1] = 'C'; | |
2522 | keyname[2] = '-'; | |
2523 | keyname[3] = '?'; | |
2524 | keyname[4] = '\0'; | |
2525 | return keyname; | |
2526 | } | |
2527 | ||
2528 | i = 0; | |
2529 | /* Now add special prefixes needed for control characters. This can | |
2530 | potentially change C. */ | |
2531 | if (CTRL_CHAR (c)) | |
2532 | { | |
2533 | keyname[i++] = '\\'; | |
2534 | keyname[i++] = 'C'; | |
2535 | keyname[i++] = '-'; | |
2536 | c = _rl_to_lower (UNCTRL (c)); | |
2537 | } | |
2538 | ||
2539 | /* XXX experimental code. Turn the characters that are not ASCII or | |
2540 | ISO Latin 1 (128 - 159) into octal escape sequences (\200 - \237). | |
2541 | This changes C. */ | |
2542 | if (c >= 128 && c <= 159) | |
2543 | { | |
2544 | keyname[i++] = '\\'; | |
2545 | keyname[i++] = '2'; | |
2546 | c -= 128; | |
2547 | keyname[i++] = (c / 8) + '0'; | |
2548 | c = (c % 8) + '0'; | |
2549 | } | |
2550 | ||
2551 | /* Now, if the character needs to be quoted with a backslash, do that. */ | |
2552 | if (c == '\\' || c == '"') | |
2553 | keyname[i++] = '\\'; | |
2554 | ||
2555 | /* Now add the key, terminate the string, and return it. */ | |
2556 | keyname[i++] = (char) c; | |
2557 | keyname[i] = '\0'; | |
2558 | ||
2559 | return keyname; | |
2560 | } | |
2561 | ||
2562 | /* Return a NULL terminated array of strings which represent the key | |
2563 | sequences that are used to invoke FUNCTION in MAP. */ | |
2564 | char ** | |
cb41b9e7 | 2565 | rl_invoking_keyseqs_in_map (rl_command_func_t *function, Keymap map) |
d60d9f65 SS |
2566 | { |
2567 | register int key; | |
2568 | char **result; | |
2569 | int result_index, result_size; | |
2570 | ||
2571 | result = (char **)NULL; | |
2572 | result_index = result_size = 0; | |
2573 | ||
2574 | for (key = 0; key < KEYMAP_SIZE; key++) | |
2575 | { | |
2576 | switch (map[key].type) | |
2577 | { | |
2578 | case ISMACR: | |
2579 | /* Macros match, if, and only if, the pointers are identical. | |
2580 | Thus, they are treated exactly like functions in here. */ | |
2581 | case ISFUNC: | |
2582 | /* If the function in the keymap is the one we are looking for, | |
2583 | then add the current KEY to the list of invoking keys. */ | |
2584 | if (map[key].function == function) | |
2585 | { | |
2586 | char *keyname; | |
2587 | ||
2588 | keyname = _rl_get_keyname (key); | |
2589 | ||
2590 | if (result_index + 2 > result_size) | |
2591 | { | |
2592 | result_size += 10; | |
9255ee31 | 2593 | result = (char **)xrealloc (result, result_size * sizeof (char *)); |
d60d9f65 SS |
2594 | } |
2595 | ||
2596 | result[result_index++] = keyname; | |
2597 | result[result_index] = (char *)NULL; | |
2598 | } | |
2599 | break; | |
2600 | ||
2601 | case ISKMAP: | |
2602 | { | |
2603 | char **seqs; | |
2604 | register int i; | |
2605 | ||
2606 | /* Find the list of keyseqs in this map which have FUNCTION as | |
2607 | their target. Add the key sequences found to RESULT. */ | |
2608 | if (map[key].function) | |
2609 | seqs = | |
2610 | rl_invoking_keyseqs_in_map (function, FUNCTION_TO_KEYMAP (map, key)); | |
2611 | else | |
2612 | break; | |
2613 | ||
2614 | if (seqs == 0) | |
2615 | break; | |
2616 | ||
2617 | for (i = 0; seqs[i]; i++) | |
2618 | { | |
2619 | char *keyname = (char *)xmalloc (6 + strlen (seqs[i])); | |
2620 | ||
2621 | if (key == ESC) | |
cc88a640 JK |
2622 | { |
2623 | /* If ESC is the meta prefix and we're converting chars | |
2624 | with the eighth bit set to ESC-prefixed sequences, then | |
2625 | we can use \M-. Otherwise we need to use the sequence | |
2626 | for ESC. */ | |
2627 | if (_rl_convert_meta_chars_to_ascii && map[ESC].type == ISKMAP) | |
2628 | sprintf (keyname, "\\M-"); | |
2629 | else | |
2630 | sprintf (keyname, "\\e"); | |
2631 | } | |
d60d9f65 SS |
2632 | else |
2633 | { | |
b4f26d54 TT |
2634 | int c = key, l = 0; |
2635 | if (CTRL_CHAR (c) || c == RUBOUT) | |
2636 | { | |
2637 | keyname[l++] = '\\'; | |
2638 | keyname[l++] = 'C'; | |
2639 | keyname[l++] = '-'; | |
2640 | c = (c == RUBOUT) ? '?' : _rl_to_lower (UNCTRL (c)); | |
2641 | } | |
2642 | ||
2643 | if (c == '\\' || c == '"') | |
2644 | keyname[l++] = '\\'; | |
2645 | ||
2646 | keyname[l++] = (char) c; | |
2647 | keyname[l++] = '\0'; | |
d60d9f65 SS |
2648 | } |
2649 | ||
2650 | strcat (keyname, seqs[i]); | |
cc88a640 | 2651 | xfree (seqs[i]); |
d60d9f65 SS |
2652 | |
2653 | if (result_index + 2 > result_size) | |
2654 | { | |
2655 | result_size += 10; | |
9255ee31 | 2656 | result = (char **)xrealloc (result, result_size * sizeof (char *)); |
d60d9f65 SS |
2657 | } |
2658 | ||
2659 | result[result_index++] = keyname; | |
2660 | result[result_index] = (char *)NULL; | |
2661 | } | |
2662 | ||
cc88a640 | 2663 | xfree (seqs); |
d60d9f65 SS |
2664 | } |
2665 | break; | |
2666 | } | |
2667 | } | |
2668 | return (result); | |
2669 | } | |
2670 | ||
2671 | /* Return a NULL terminated array of strings which represent the key | |
2672 | sequences that can be used to invoke FUNCTION using the current keymap. */ | |
2673 | char ** | |
cb41b9e7 | 2674 | rl_invoking_keyseqs (rl_command_func_t *function) |
d60d9f65 SS |
2675 | { |
2676 | return (rl_invoking_keyseqs_in_map (function, _rl_keymap)); | |
2677 | } | |
2678 | ||
2679 | /* Print all of the functions and their bindings to rl_outstream. If | |
2680 | PRINT_READABLY is non-zero, then print the output in such a way | |
2681 | that it can be read back in. */ | |
2682 | void | |
cb41b9e7 | 2683 | rl_function_dumper (int print_readably) |
d60d9f65 SS |
2684 | { |
2685 | register int i; | |
9255ee31 EZ |
2686 | const char **names; |
2687 | const char *name; | |
d60d9f65 SS |
2688 | |
2689 | names = rl_funmap_names (); | |
2690 | ||
2691 | fprintf (rl_outstream, "\n"); | |
2692 | ||
2693 | for (i = 0; name = names[i]; i++) | |
2694 | { | |
9255ee31 | 2695 | rl_command_func_t *function; |
d60d9f65 SS |
2696 | char **invokers; |
2697 | ||
2698 | function = rl_named_function (name); | |
2699 | invokers = rl_invoking_keyseqs_in_map (function, _rl_keymap); | |
2700 | ||
2701 | if (print_readably) | |
2702 | { | |
2703 | if (!invokers) | |
2704 | fprintf (rl_outstream, "# %s (not bound)\n", name); | |
2705 | else | |
2706 | { | |
2707 | register int j; | |
2708 | ||
2709 | for (j = 0; invokers[j]; j++) | |
2710 | { | |
2711 | fprintf (rl_outstream, "\"%s\": %s\n", | |
2712 | invokers[j], name); | |
cc88a640 | 2713 | xfree (invokers[j]); |
d60d9f65 SS |
2714 | } |
2715 | ||
cc88a640 | 2716 | xfree (invokers); |
d60d9f65 SS |
2717 | } |
2718 | } | |
2719 | else | |
2720 | { | |
2721 | if (!invokers) | |
2722 | fprintf (rl_outstream, "%s is not bound to any keys\n", | |
2723 | name); | |
2724 | else | |
2725 | { | |
2726 | register int j; | |
2727 | ||
2728 | fprintf (rl_outstream, "%s can be found on ", name); | |
2729 | ||
2730 | for (j = 0; invokers[j] && j < 5; j++) | |
2731 | { | |
2732 | fprintf (rl_outstream, "\"%s\"%s", invokers[j], | |
2733 | invokers[j + 1] ? ", " : ".\n"); | |
2734 | } | |
2735 | ||
2736 | if (j == 5 && invokers[j]) | |
2737 | fprintf (rl_outstream, "...\n"); | |
2738 | ||
2739 | for (j = 0; invokers[j]; j++) | |
cc88a640 | 2740 | xfree (invokers[j]); |
d60d9f65 | 2741 | |
cc88a640 | 2742 | xfree (invokers); |
d60d9f65 SS |
2743 | } |
2744 | } | |
2745 | } | |
775e241e TT |
2746 | |
2747 | xfree (names); | |
d60d9f65 SS |
2748 | } |
2749 | ||
2750 | /* Print all of the current functions and their bindings to | |
2751 | rl_outstream. If an explicit argument is given, then print | |
2752 | the output in such a way that it can be read back in. */ | |
2753 | int | |
cb41b9e7 | 2754 | rl_dump_functions (int count, int key) |
d60d9f65 SS |
2755 | { |
2756 | if (rl_dispatching) | |
2757 | fprintf (rl_outstream, "\r\n"); | |
2758 | rl_function_dumper (rl_explicit_arg); | |
2759 | rl_on_new_line (); | |
2760 | return (0); | |
2761 | } | |
2762 | ||
2763 | static void | |
cb41b9e7 | 2764 | _rl_macro_dumper_internal (int print_readably, Keymap map, char *prefix) |
d60d9f65 SS |
2765 | { |
2766 | register int key; | |
2767 | char *keyname, *out; | |
2768 | int prefix_len; | |
2769 | ||
2770 | for (key = 0; key < KEYMAP_SIZE; key++) | |
2771 | { | |
2772 | switch (map[key].type) | |
2773 | { | |
2774 | case ISMACR: | |
2775 | keyname = _rl_get_keyname (key); | |
775e241e | 2776 | out = _rl_untranslate_macro_value ((char *)map[key].function, 0); |
9255ee31 | 2777 | |
d60d9f65 SS |
2778 | if (print_readably) |
2779 | fprintf (rl_outstream, "\"%s%s\": \"%s\"\n", prefix ? prefix : "", | |
2780 | keyname, | |
2781 | out ? out : ""); | |
2782 | else | |
2783 | fprintf (rl_outstream, "%s%s outputs %s\n", prefix ? prefix : "", | |
2784 | keyname, | |
2785 | out ? out : ""); | |
cc88a640 JK |
2786 | xfree (keyname); |
2787 | xfree (out); | |
d60d9f65 SS |
2788 | break; |
2789 | case ISFUNC: | |
2790 | break; | |
2791 | case ISKMAP: | |
2792 | prefix_len = prefix ? strlen (prefix) : 0; | |
2793 | if (key == ESC) | |
2794 | { | |
9255ee31 | 2795 | keyname = (char *)xmalloc (3 + prefix_len); |
d60d9f65 SS |
2796 | if (prefix) |
2797 | strcpy (keyname, prefix); | |
2798 | keyname[prefix_len] = '\\'; | |
2799 | keyname[prefix_len + 1] = 'e'; | |
2800 | keyname[prefix_len + 2] = '\0'; | |
2801 | } | |
2802 | else | |
2803 | { | |
2804 | keyname = _rl_get_keyname (key); | |
2805 | if (prefix) | |
2806 | { | |
9255ee31 | 2807 | out = (char *)xmalloc (strlen (keyname) + prefix_len + 1); |
d60d9f65 SS |
2808 | strcpy (out, prefix); |
2809 | strcpy (out + prefix_len, keyname); | |
cc88a640 | 2810 | xfree (keyname); |
d60d9f65 SS |
2811 | keyname = out; |
2812 | } | |
2813 | } | |
2814 | ||
2815 | _rl_macro_dumper_internal (print_readably, FUNCTION_TO_KEYMAP (map, key), keyname); | |
cc88a640 | 2816 | xfree (keyname); |
d60d9f65 SS |
2817 | break; |
2818 | } | |
2819 | } | |
2820 | } | |
2821 | ||
2822 | void | |
cb41b9e7 | 2823 | rl_macro_dumper (int print_readably) |
d60d9f65 SS |
2824 | { |
2825 | _rl_macro_dumper_internal (print_readably, _rl_keymap, (char *)NULL); | |
2826 | } | |
2827 | ||
2828 | int | |
cb41b9e7 | 2829 | rl_dump_macros (int count, int key) |
d60d9f65 SS |
2830 | { |
2831 | if (rl_dispatching) | |
2832 | fprintf (rl_outstream, "\r\n"); | |
2833 | rl_macro_dumper (rl_explicit_arg); | |
2834 | rl_on_new_line (); | |
2835 | return (0); | |
2836 | } | |
2837 | ||
5bdf8622 | 2838 | static char * |
cb41b9e7 | 2839 | _rl_get_string_variable_value (const char *name) |
5bdf8622 DJ |
2840 | { |
2841 | static char numbuf[32]; | |
2842 | char *ret; | |
5bdf8622 DJ |
2843 | |
2844 | if (_rl_stricmp (name, "bell-style") == 0) | |
2845 | { | |
2846 | switch (_rl_bell_preference) | |
2847 | { | |
2848 | case NO_BELL: | |
2849 | return "none"; | |
2850 | case VISIBLE_BELL: | |
2851 | return "visible"; | |
2852 | case AUDIBLE_BELL: | |
2853 | default: | |
2854 | return "audible"; | |
2855 | } | |
2856 | } | |
2857 | else if (_rl_stricmp (name, "comment-begin") == 0) | |
2858 | return (_rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT); | |
cc88a640 JK |
2859 | else if (_rl_stricmp (name, "completion-display-width") == 0) |
2860 | { | |
2861 | sprintf (numbuf, "%d", _rl_completion_columns); | |
2862 | return (numbuf); | |
2863 | } | |
2864 | else if (_rl_stricmp (name, "completion-prefix-display-length") == 0) | |
2865 | { | |
2866 | sprintf (numbuf, "%d", _rl_completion_prefix_display_length); | |
2867 | return (numbuf); | |
2868 | } | |
5bdf8622 DJ |
2869 | else if (_rl_stricmp (name, "completion-query-items") == 0) |
2870 | { | |
2871 | sprintf (numbuf, "%d", rl_completion_query_items); | |
2872 | return (numbuf); | |
2873 | } | |
2874 | else if (_rl_stricmp (name, "editing-mode") == 0) | |
2875 | return (rl_get_keymap_name_from_edit_mode ()); | |
cc88a640 JK |
2876 | else if (_rl_stricmp (name, "history-size") == 0) |
2877 | { | |
2878 | sprintf (numbuf, "%d", history_is_stifled() ? history_max_entries : 0); | |
2879 | return (numbuf); | |
2880 | } | |
5bdf8622 DJ |
2881 | else if (_rl_stricmp (name, "isearch-terminators") == 0) |
2882 | { | |
2883 | if (_rl_isearch_terminators == 0) | |
2884 | return 0; | |
775e241e | 2885 | ret = _rl_untranslate_macro_value (_rl_isearch_terminators, 0); |
5bdf8622 DJ |
2886 | if (ret) |
2887 | { | |
2888 | strncpy (numbuf, ret, sizeof (numbuf) - 1); | |
cc88a640 | 2889 | xfree (ret); |
5bdf8622 DJ |
2890 | numbuf[sizeof(numbuf) - 1] = '\0'; |
2891 | } | |
2892 | else | |
2893 | numbuf[0] = '\0'; | |
2894 | return numbuf; | |
2895 | } | |
2896 | else if (_rl_stricmp (name, "keymap") == 0) | |
2897 | { | |
2898 | ret = rl_get_keymap_name (_rl_keymap); | |
2899 | if (ret == 0) | |
2900 | ret = rl_get_keymap_name_from_edit_mode (); | |
2901 | return (ret ? ret : "none"); | |
2902 | } | |
775e241e TT |
2903 | else if (_rl_stricmp (name, "keyseq-timeout") == 0) |
2904 | { | |
2905 | sprintf (numbuf, "%d", _rl_keyseq_timeout); | |
2906 | return (numbuf); | |
2907 | } | |
2908 | else if (_rl_stricmp (name, "emacs-mode-string") == 0) | |
2909 | return (_rl_emacs_mode_str ? _rl_emacs_mode_str : RL_EMACS_MODESTR_DEFAULT); | |
2910 | else if (_rl_stricmp (name, "vi-cmd-mode-string") == 0) | |
2911 | return (_rl_vi_cmd_mode_str ? _rl_vi_cmd_mode_str : RL_VI_CMD_MODESTR_DEFAULT); | |
2912 | else if (_rl_stricmp (name, "vi-ins-mode-string") == 0) | |
2913 | return (_rl_vi_ins_mode_str ? _rl_vi_ins_mode_str : RL_VI_INS_MODESTR_DEFAULT); | |
5bdf8622 DJ |
2914 | else |
2915 | return (0); | |
2916 | } | |
2917 | ||
d60d9f65 | 2918 | void |
cb41b9e7 | 2919 | rl_variable_dumper (int print_readably) |
d60d9f65 SS |
2920 | { |
2921 | int i; | |
5bdf8622 | 2922 | char *v; |
d60d9f65 SS |
2923 | |
2924 | for (i = 0; boolean_varlist[i].name; i++) | |
2925 | { | |
2926 | if (print_readably) | |
2927 | fprintf (rl_outstream, "set %s %s\n", boolean_varlist[i].name, | |
2928 | *boolean_varlist[i].value ? "on" : "off"); | |
2929 | else | |
2930 | fprintf (rl_outstream, "%s is set to `%s'\n", boolean_varlist[i].name, | |
2931 | *boolean_varlist[i].value ? "on" : "off"); | |
2932 | } | |
2933 | ||
5bdf8622 | 2934 | for (i = 0; string_varlist[i].name; i++) |
c862e87b | 2935 | { |
5bdf8622 DJ |
2936 | v = _rl_get_string_variable_value (string_varlist[i].name); |
2937 | if (v == 0) /* _rl_isearch_terminators can be NULL */ | |
2938 | continue; | |
c862e87b | 2939 | if (print_readably) |
5bdf8622 | 2940 | fprintf (rl_outstream, "set %s %s\n", string_varlist[i].name, v); |
c862e87b | 2941 | else |
5bdf8622 | 2942 | fprintf (rl_outstream, "%s is set to `%s'\n", string_varlist[i].name, v); |
c862e87b | 2943 | } |
d60d9f65 SS |
2944 | } |
2945 | ||
2946 | /* Print all of the current variables and their values to | |
2947 | rl_outstream. If an explicit argument is given, then print | |
2948 | the output in such a way that it can be read back in. */ | |
2949 | int | |
cb41b9e7 | 2950 | rl_dump_variables (int count, int key) |
d60d9f65 SS |
2951 | { |
2952 | if (rl_dispatching) | |
2953 | fprintf (rl_outstream, "\r\n"); | |
2954 | rl_variable_dumper (rl_explicit_arg); | |
2955 | rl_on_new_line (); | |
2956 | return (0); | |
2957 | } | |
2958 | ||
d60d9f65 SS |
2959 | /* Return non-zero if any members of ARRAY are a substring in STRING. */ |
2960 | static int | |
cb41b9e7 | 2961 | substring_member_of_array (const char *string, const char * const *array) |
d60d9f65 SS |
2962 | { |
2963 | while (*array) | |
2964 | { | |
2965 | if (_rl_strindex (string, *array)) | |
2966 | return (1); | |
2967 | array++; | |
2968 | } | |
2969 | return (0); | |
2970 | } |