| 1 | /* bind.c -- key binding and startup file support for the readline library. */ |
| 2 | |
| 3 | /* Copyright (C) 1987-2017 Free Software Foundation, Inc. |
| 4 | |
| 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. |
| 7 | |
| 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 |
| 11 | (at your option) any later version. |
| 12 | |
| 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 |
| 16 | GNU General Public License for more details. |
| 17 | |
| 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 | */ |
| 21 | |
| 22 | #define READLINE_LIBRARY |
| 23 | |
| 24 | #if defined (__TANDEM) |
| 25 | # include <floss.h> |
| 26 | #endif |
| 27 | |
| 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 | |
| 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 | |
| 64 | #include "rlprivate.h" |
| 65 | #include "rlshell.h" |
| 66 | #include "xmalloc.h" |
| 67 | |
| 68 | #if !defined (strchr) && !defined (__STDC__) |
| 69 | extern char *strchr (), *strrchr (); |
| 70 | #endif /* !strchr && !__STDC__ */ |
| 71 | |
| 72 | /* Variables exported by this file. */ |
| 73 | Keymap rl_binding_keymap; |
| 74 | |
| 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 | |
| 83 | static rl_command_func_t *_rl_function_of_keyseq_internal PARAMS((const char *, size_t, Keymap, int *)); |
| 84 | |
| 85 | static char *_rl_read_file PARAMS((char *, size_t *)); |
| 86 | static int _rl_read_init_file PARAMS((const char *, int)); |
| 87 | static int glean_key_from_name PARAMS((char *)); |
| 88 | |
| 89 | static int find_boolean_var PARAMS((const char *)); |
| 90 | static int find_string_var PARAMS((const char *)); |
| 91 | |
| 92 | static const char *boolean_varname PARAMS((int)); |
| 93 | static const char *string_varname PARAMS((int)); |
| 94 | |
| 95 | static char *_rl_get_string_variable_value PARAMS((const char *)); |
| 96 | static int substring_member_of_array PARAMS((const char *, const char * const *)); |
| 97 | |
| 98 | static int _rl_get_keymap_by_name PARAMS((const char *)); |
| 99 | static int _rl_get_keymap_by_map PARAMS((Keymap)); |
| 100 | |
| 101 | static int currently_reading_init_file; |
| 102 | |
| 103 | /* used only in this file */ |
| 104 | static int _rl_prefer_visible_bell = 1; |
| 105 | |
| 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 | |
| 116 | /* **************************************************************** */ |
| 117 | /* */ |
| 118 | /* Binding keys */ |
| 119 | /* */ |
| 120 | /* **************************************************************** */ |
| 121 | |
| 122 | /* rl_add_defun (char *name, rl_command_func_t *function, int key) |
| 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 |
| 126 | rl_add_defun (const char *name, rl_command_func_t *function, int key) |
| 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 |
| 136 | rl_bind_key (int key, rl_command_func_t *function) |
| 137 | { |
| 138 | char keyseq[3]; |
| 139 | int l; |
| 140 | |
| 141 | if (key < 0) |
| 142 | return (key); |
| 143 | |
| 144 | if (META_CHAR (key) && _rl_convert_meta_chars_to_ascii) |
| 145 | { |
| 146 | if (_rl_keymap[ESC].type == ISKMAP) |
| 147 | { |
| 148 | Keymap escmap; |
| 149 | |
| 150 | escmap = FUNCTION_TO_KEYMAP (_rl_keymap, ESC); |
| 151 | key = UNMETA (key); |
| 152 | escmap[key].type = ISFUNC; |
| 153 | escmap[key].function = function; |
| 154 | return (0); |
| 155 | } |
| 156 | return (key); |
| 157 | } |
| 158 | |
| 159 | /* If it's bound to a function or macro, just overwrite. Otherwise we have |
| 160 | to treat it as a key sequence so rl_generic_bind handles shadow keymaps |
| 161 | for us. If we are binding '\' make sure to escape it so it makes it |
| 162 | through the call to rl_translate_keyseq. */ |
| 163 | if (_rl_keymap[key].type != ISKMAP) |
| 164 | { |
| 165 | _rl_keymap[key].type = ISFUNC; |
| 166 | _rl_keymap[key].function = function; |
| 167 | } |
| 168 | else |
| 169 | { |
| 170 | l = 0; |
| 171 | if (key == '\\') |
| 172 | keyseq[l++] = '\\'; |
| 173 | keyseq[l++] = key; |
| 174 | keyseq[l] = '\0'; |
| 175 | rl_bind_keyseq (keyseq, function); |
| 176 | } |
| 177 | rl_binding_keymap = _rl_keymap; |
| 178 | return (0); |
| 179 | } |
| 180 | |
| 181 | /* Bind KEY to FUNCTION in MAP. Returns non-zero in case of invalid |
| 182 | KEY. */ |
| 183 | int |
| 184 | rl_bind_key_in_map (int key, rl_command_func_t *function, Keymap map) |
| 185 | { |
| 186 | int result; |
| 187 | Keymap oldmap; |
| 188 | |
| 189 | oldmap = _rl_keymap; |
| 190 | _rl_keymap = map; |
| 191 | result = rl_bind_key (key, function); |
| 192 | _rl_keymap = oldmap; |
| 193 | return (result); |
| 194 | } |
| 195 | |
| 196 | /* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound. Right |
| 197 | now, this is always used to attempt to bind the arrow keys. */ |
| 198 | int |
| 199 | rl_bind_key_if_unbound_in_map (int key, rl_command_func_t *default_func, Keymap kmap) |
| 200 | { |
| 201 | char *keyseq; |
| 202 | |
| 203 | keyseq = rl_untranslate_keyseq ((unsigned char)key); |
| 204 | return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, kmap)); |
| 205 | } |
| 206 | |
| 207 | int |
| 208 | rl_bind_key_if_unbound (int key, rl_command_func_t *default_func) |
| 209 | { |
| 210 | char *keyseq; |
| 211 | |
| 212 | keyseq = rl_untranslate_keyseq ((unsigned char)key); |
| 213 | return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, _rl_keymap)); |
| 214 | } |
| 215 | |
| 216 | /* Make KEY do nothing in the currently selected keymap. |
| 217 | Returns non-zero in case of error. This is not the same as self-insert; |
| 218 | this makes it a dead key. */ |
| 219 | int |
| 220 | rl_unbind_key (int key) |
| 221 | { |
| 222 | return (rl_bind_key (key, (rl_command_func_t *)NULL)); |
| 223 | } |
| 224 | |
| 225 | /* Make KEY do nothing in MAP. Returns non-zero in case of error. */ |
| 226 | int |
| 227 | rl_unbind_key_in_map (int key, Keymap map) |
| 228 | { |
| 229 | return (rl_bind_key_in_map (key, (rl_command_func_t *)NULL, map)); |
| 230 | } |
| 231 | |
| 232 | /* Unbind all keys bound to FUNCTION in MAP. */ |
| 233 | int |
| 234 | rl_unbind_function_in_map (rl_command_func_t *func, Keymap map) |
| 235 | { |
| 236 | register int i, rval; |
| 237 | |
| 238 | for (i = rval = 0; i < KEYMAP_SIZE; i++) |
| 239 | { |
| 240 | if (map[i].type == ISFUNC && map[i].function == func) |
| 241 | { |
| 242 | map[i].function = (rl_command_func_t *)NULL; |
| 243 | rval = 1; |
| 244 | } |
| 245 | } |
| 246 | return rval; |
| 247 | } |
| 248 | |
| 249 | /* Unbind all keys bound to COMMAND, which is a bindable command name, in MAP */ |
| 250 | int |
| 251 | rl_unbind_command_in_map (const char *command, Keymap map) |
| 252 | { |
| 253 | rl_command_func_t *func; |
| 254 | |
| 255 | func = rl_named_function (command); |
| 256 | if (func == 0) |
| 257 | return 0; |
| 258 | return (rl_unbind_function_in_map (func, map)); |
| 259 | } |
| 260 | |
| 261 | /* Bind the key sequence represented by the string KEYSEQ to |
| 262 | FUNCTION, starting in the current keymap. This makes new |
| 263 | keymaps as necessary. */ |
| 264 | int |
| 265 | rl_bind_keyseq (const char *keyseq, rl_command_func_t *function) |
| 266 | { |
| 267 | return (rl_generic_bind (ISFUNC, keyseq, (char *)function, _rl_keymap)); |
| 268 | } |
| 269 | |
| 270 | /* Bind the key sequence represented by the string KEYSEQ to |
| 271 | FUNCTION. This makes new keymaps as necessary. The initial |
| 272 | place to do bindings is in MAP. */ |
| 273 | int |
| 274 | rl_bind_keyseq_in_map (const char *keyseq, rl_command_func_t *function, Keymap map) |
| 275 | { |
| 276 | return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map)); |
| 277 | } |
| 278 | |
| 279 | /* Backwards compatibility; equivalent to rl_bind_keyseq_in_map() */ |
| 280 | int |
| 281 | rl_set_key (const char *keyseq, rl_command_func_t *function, Keymap map) |
| 282 | { |
| 283 | return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map)); |
| 284 | } |
| 285 | |
| 286 | /* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound. Right |
| 287 | now, this is always used to attempt to bind the arrow keys, hence the |
| 288 | check for rl_vi_movement_mode. */ |
| 289 | int |
| 290 | rl_bind_keyseq_if_unbound_in_map (const char *keyseq, rl_command_func_t *default_func, Keymap kmap) |
| 291 | { |
| 292 | rl_command_func_t *func; |
| 293 | char *keys; |
| 294 | int keys_len; |
| 295 | |
| 296 | if (keyseq) |
| 297 | { |
| 298 | /* Handle key sequences that require translations and `raw' ones that |
| 299 | don't. This might be a problem with backslashes. */ |
| 300 | keys = (char *)xmalloc (1 + (2 * strlen (keyseq))); |
| 301 | if (rl_translate_keyseq (keyseq, keys, &keys_len)) |
| 302 | { |
| 303 | xfree (keys); |
| 304 | return -1; |
| 305 | } |
| 306 | func = rl_function_of_keyseq_len (keys, keys_len, kmap, (int *)NULL); |
| 307 | xfree (keys); |
| 308 | #if defined (VI_MODE) |
| 309 | if (!func || func == rl_do_lowercase_version || func == rl_vi_movement_mode) |
| 310 | #else |
| 311 | if (!func || func == rl_do_lowercase_version) |
| 312 | #endif |
| 313 | return (rl_bind_keyseq_in_map (keyseq, default_func, kmap)); |
| 314 | else |
| 315 | return 1; |
| 316 | } |
| 317 | return 0; |
| 318 | } |
| 319 | |
| 320 | int |
| 321 | rl_bind_keyseq_if_unbound (const char *keyseq, rl_command_func_t *default_func) |
| 322 | { |
| 323 | return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, _rl_keymap)); |
| 324 | } |
| 325 | |
| 326 | /* Bind the key sequence represented by the string KEYSEQ to |
| 327 | the string of characters MACRO. This makes new keymaps as |
| 328 | necessary. The initial place to do bindings is in MAP. */ |
| 329 | int |
| 330 | rl_macro_bind (const char *keyseq, const char *macro, Keymap map) |
| 331 | { |
| 332 | char *macro_keys; |
| 333 | int macro_keys_len; |
| 334 | |
| 335 | macro_keys = (char *)xmalloc ((2 * strlen (macro)) + 1); |
| 336 | |
| 337 | if (rl_translate_keyseq (macro, macro_keys, ¯o_keys_len)) |
| 338 | { |
| 339 | xfree (macro_keys); |
| 340 | return -1; |
| 341 | } |
| 342 | rl_generic_bind (ISMACR, keyseq, macro_keys, map); |
| 343 | return 0; |
| 344 | } |
| 345 | |
| 346 | /* Bind the key sequence represented by the string KEYSEQ to |
| 347 | the arbitrary pointer DATA. TYPE says what kind of data is |
| 348 | pointed to by DATA, right now this can be a function (ISFUNC), |
| 349 | a macro (ISMACR), or a keymap (ISKMAP). This makes new keymaps |
| 350 | as necessary. The initial place to do bindings is in MAP. */ |
| 351 | int |
| 352 | rl_generic_bind (int type, const char *keyseq, char *data, Keymap map) |
| 353 | { |
| 354 | char *keys; |
| 355 | int keys_len, prevkey; |
| 356 | register int i; |
| 357 | KEYMAP_ENTRY k; |
| 358 | Keymap prevmap; |
| 359 | |
| 360 | k.function = 0; |
| 361 | |
| 362 | /* If no keys to bind to, exit right away. */ |
| 363 | if (keyseq == 0 || *keyseq == 0) |
| 364 | { |
| 365 | if (type == ISMACR) |
| 366 | xfree (data); |
| 367 | return -1; |
| 368 | } |
| 369 | |
| 370 | keys = (char *)xmalloc (1 + (2 * strlen (keyseq))); |
| 371 | |
| 372 | /* Translate the ASCII representation of KEYSEQ into an array of |
| 373 | characters. Stuff the characters into KEYS, and the length of |
| 374 | KEYS into KEYS_LEN. */ |
| 375 | if (rl_translate_keyseq (keyseq, keys, &keys_len)) |
| 376 | { |
| 377 | xfree (keys); |
| 378 | return -1; |
| 379 | } |
| 380 | |
| 381 | prevmap = map; |
| 382 | prevkey = keys[0]; |
| 383 | |
| 384 | /* Bind keys, making new keymaps as necessary. */ |
| 385 | for (i = 0; i < keys_len; i++) |
| 386 | { |
| 387 | unsigned char uc = keys[i]; |
| 388 | int ic; |
| 389 | |
| 390 | if (i > 0) |
| 391 | prevkey = ic; |
| 392 | |
| 393 | ic = uc; |
| 394 | if (ic < 0 || ic >= KEYMAP_SIZE) |
| 395 | { |
| 396 | xfree (keys); |
| 397 | return -1; |
| 398 | } |
| 399 | |
| 400 | if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii) |
| 401 | { |
| 402 | ic = UNMETA (ic); |
| 403 | if (map[ESC].type == ISKMAP) |
| 404 | { |
| 405 | prevmap = map; |
| 406 | map = FUNCTION_TO_KEYMAP (map, ESC); |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | if ((i + 1) < keys_len) |
| 411 | { |
| 412 | if (map[ic].type != ISKMAP) |
| 413 | { |
| 414 | /* We allow subsequences of keys. If a keymap is being |
| 415 | created that will `shadow' an existing function or macro |
| 416 | key binding, we save that keybinding into the ANYOTHERKEY |
| 417 | index in the new map. The dispatch code will look there |
| 418 | to find the function to execute if the subsequence is not |
| 419 | matched. ANYOTHERKEY was chosen to be greater than |
| 420 | UCHAR_MAX. */ |
| 421 | k = map[ic]; |
| 422 | |
| 423 | map[ic].type = ISKMAP; |
| 424 | map[ic].function = KEYMAP_TO_FUNCTION (rl_make_bare_keymap()); |
| 425 | } |
| 426 | prevmap = map; |
| 427 | map = FUNCTION_TO_KEYMAP (map, ic); |
| 428 | /* The dispatch code will return this function if no matching |
| 429 | key sequence is found in the keymap. This (with a little |
| 430 | help from the dispatch code in readline.c) allows `a' to be |
| 431 | mapped to something, `abc' to be mapped to something else, |
| 432 | and the function bound to `a' to be executed when the user |
| 433 | types `abx', leaving `bx' in the input queue. */ |
| 434 | if (k.function && ((k.type == ISFUNC && k.function != rl_do_lowercase_version) || k.type == ISMACR)) |
| 435 | { |
| 436 | map[ANYOTHERKEY] = k; |
| 437 | k.function = 0; |
| 438 | } |
| 439 | } |
| 440 | else |
| 441 | { |
| 442 | if (map[ic].type == ISMACR) |
| 443 | xfree ((char *)map[ic].function); |
| 444 | else if (map[ic].type == ISKMAP) |
| 445 | { |
| 446 | prevmap = map; |
| 447 | map = FUNCTION_TO_KEYMAP (map, ic); |
| 448 | ic = ANYOTHERKEY; |
| 449 | /* If we're trying to override a keymap with a null function |
| 450 | (e.g., trying to unbind it), we can't use a null pointer |
| 451 | here because that's indistinguishable from having not been |
| 452 | overridden. We use a special bindable function that does |
| 453 | nothing. */ |
| 454 | if (type == ISFUNC && data == 0) |
| 455 | data = (char *)_rl_null_function; |
| 456 | } |
| 457 | |
| 458 | map[ic].function = KEYMAP_TO_FUNCTION (data); |
| 459 | map[ic].type = type; |
| 460 | } |
| 461 | |
| 462 | rl_binding_keymap = map; |
| 463 | |
| 464 | } |
| 465 | |
| 466 | /* If we unbound a key (type == ISFUNC, data == 0), and the prev keymap |
| 467 | points to the keymap where we unbound the key (sanity check), and the |
| 468 | current binding keymap is empty (rl_empty_keymap() returns non-zero), |
| 469 | and the binding keymap has ANYOTHERKEY set with type == ISFUNC |
| 470 | (overridden function), delete the now-empty keymap, take the previously- |
| 471 | overridden function and remove the override. */ |
| 472 | /* Right now, this only works one level back. */ |
| 473 | if (type == ISFUNC && data == 0 && |
| 474 | prevmap[prevkey].type == ISKMAP && |
| 475 | (FUNCTION_TO_KEYMAP(prevmap, prevkey) == rl_binding_keymap) && |
| 476 | rl_binding_keymap[ANYOTHERKEY].type == ISFUNC && |
| 477 | rl_empty_keymap (rl_binding_keymap)) |
| 478 | { |
| 479 | prevmap[prevkey].type = rl_binding_keymap[ANYOTHERKEY].type; |
| 480 | prevmap[prevkey].function = rl_binding_keymap[ANYOTHERKEY].function; |
| 481 | rl_discard_keymap (rl_binding_keymap); |
| 482 | rl_binding_keymap = prevmap; |
| 483 | } |
| 484 | |
| 485 | xfree (keys); |
| 486 | return 0; |
| 487 | } |
| 488 | |
| 489 | /* Translate the ASCII representation of SEQ, stuffing the values into ARRAY, |
| 490 | an array of characters. LEN gets the final length of ARRAY. Return |
| 491 | non-zero if there was an error parsing SEQ. */ |
| 492 | int |
| 493 | rl_translate_keyseq (const char *seq, char *array, int *len) |
| 494 | { |
| 495 | register int i, c, l, temp; |
| 496 | |
| 497 | for (i = l = 0; c = seq[i]; i++) |
| 498 | { |
| 499 | if (c == '\\') |
| 500 | { |
| 501 | c = seq[++i]; |
| 502 | |
| 503 | if (c == 0) |
| 504 | { |
| 505 | array[l++] = '\\'; /* preserve trailing backslash */ |
| 506 | break; |
| 507 | } |
| 508 | |
| 509 | /* Handle \C- and \M- prefixes. */ |
| 510 | if ((c == 'C' || c == 'M') && seq[i + 1] == '-') |
| 511 | { |
| 512 | /* Handle special case of backwards define. */ |
| 513 | if (strncmp (&seq[i], "C-\\M-", 5) == 0) |
| 514 | { |
| 515 | array[l++] = ESC; /* ESC is meta-prefix */ |
| 516 | i += 5; |
| 517 | array[l++] = CTRL (_rl_to_upper (seq[i])); |
| 518 | } |
| 519 | else if (c == 'M') |
| 520 | { |
| 521 | i++; /* seq[i] == '-' */ |
| 522 | /* XXX - obey convert-meta setting */ |
| 523 | if (_rl_convert_meta_chars_to_ascii && _rl_keymap[ESC].type == ISKMAP) |
| 524 | array[l++] = ESC; /* ESC is meta-prefix */ |
| 525 | else if (seq[i+1] == '\\' && seq[i+2] == 'C' && seq[i+3] == '-') |
| 526 | { |
| 527 | i += 4; |
| 528 | temp = (seq[i] == '?') ? RUBOUT : CTRL (_rl_to_upper (seq[i])); |
| 529 | array[l++] = META (temp); |
| 530 | } |
| 531 | else |
| 532 | { |
| 533 | /* This doesn't yet handle things like \M-\a, which may |
| 534 | or may not have any reasonable meaning. You're |
| 535 | probably better off using straight octal or hex. */ |
| 536 | i++; |
| 537 | array[l++] = META (seq[i]); |
| 538 | } |
| 539 | } |
| 540 | else if (c == 'C') |
| 541 | { |
| 542 | i += 2; |
| 543 | /* Special hack for C-?... */ |
| 544 | array[l++] = (seq[i] == '?') ? RUBOUT : CTRL (_rl_to_upper (seq[i])); |
| 545 | } |
| 546 | if (seq[i] == '\0') |
| 547 | break; |
| 548 | continue; |
| 549 | } |
| 550 | |
| 551 | /* Translate other backslash-escaped characters. These are the |
| 552 | same escape sequences that bash's `echo' and `printf' builtins |
| 553 | handle, with the addition of \d -> RUBOUT. A backslash |
| 554 | preceding a character that is not special is stripped. */ |
| 555 | switch (c) |
| 556 | { |
| 557 | case 'a': |
| 558 | array[l++] = '\007'; |
| 559 | break; |
| 560 | case 'b': |
| 561 | array[l++] = '\b'; |
| 562 | break; |
| 563 | case 'd': |
| 564 | array[l++] = RUBOUT; /* readline-specific */ |
| 565 | break; |
| 566 | case 'e': |
| 567 | array[l++] = ESC; |
| 568 | break; |
| 569 | case 'f': |
| 570 | array[l++] = '\f'; |
| 571 | break; |
| 572 | case 'n': |
| 573 | array[l++] = NEWLINE; |
| 574 | break; |
| 575 | case 'r': |
| 576 | array[l++] = RETURN; |
| 577 | break; |
| 578 | case 't': |
| 579 | array[l++] = TAB; |
| 580 | break; |
| 581 | case 'v': |
| 582 | array[l++] = 0x0B; |
| 583 | break; |
| 584 | case '\\': |
| 585 | array[l++] = '\\'; |
| 586 | break; |
| 587 | case '0': case '1': case '2': case '3': |
| 588 | case '4': case '5': case '6': case '7': |
| 589 | i++; |
| 590 | for (temp = 2, c -= '0'; ISOCTAL ((unsigned char)seq[i]) && temp--; i++) |
| 591 | c = (c * 8) + OCTVALUE (seq[i]); |
| 592 | i--; /* auto-increment in for loop */ |
| 593 | array[l++] = c & largest_char; |
| 594 | break; |
| 595 | case 'x': |
| 596 | i++; |
| 597 | for (temp = 2, c = 0; ISXDIGIT ((unsigned char)seq[i]) && temp--; i++) |
| 598 | c = (c * 16) + HEXVALUE (seq[i]); |
| 599 | if (temp == 2) |
| 600 | c = 'x'; |
| 601 | i--; /* auto-increment in for loop */ |
| 602 | array[l++] = c & largest_char; |
| 603 | break; |
| 604 | default: /* backslashes before non-special chars just add the char */ |
| 605 | array[l++] = c; |
| 606 | break; /* the backslash is stripped */ |
| 607 | } |
| 608 | continue; |
| 609 | } |
| 610 | |
| 611 | array[l++] = c; |
| 612 | } |
| 613 | |
| 614 | *len = l; |
| 615 | array[l] = '\0'; |
| 616 | return (0); |
| 617 | } |
| 618 | |
| 619 | static int |
| 620 | _rl_isescape (int c) |
| 621 | { |
| 622 | switch (c) |
| 623 | { |
| 624 | case '\007': |
| 625 | case '\b': |
| 626 | case '\f': |
| 627 | case '\n': |
| 628 | case '\r': |
| 629 | case TAB: |
| 630 | case 0x0b: return (1); |
| 631 | default: return (0); |
| 632 | } |
| 633 | } |
| 634 | |
| 635 | static int |
| 636 | _rl_escchar (int c) |
| 637 | { |
| 638 | switch (c) |
| 639 | { |
| 640 | case '\007': return ('a'); |
| 641 | case '\b': return ('b'); |
| 642 | case '\f': return ('f'); |
| 643 | case '\n': return ('n'); |
| 644 | case '\r': return ('r'); |
| 645 | case TAB: return ('t'); |
| 646 | case 0x0b: return ('v'); |
| 647 | default: return (c); |
| 648 | } |
| 649 | } |
| 650 | |
| 651 | char * |
| 652 | rl_untranslate_keyseq (int seq) |
| 653 | { |
| 654 | static char kseq[16]; |
| 655 | int i, c; |
| 656 | |
| 657 | i = 0; |
| 658 | c = seq; |
| 659 | if (META_CHAR (c)) |
| 660 | { |
| 661 | kseq[i++] = '\\'; |
| 662 | kseq[i++] = 'M'; |
| 663 | kseq[i++] = '-'; |
| 664 | c = UNMETA (c); |
| 665 | } |
| 666 | else if (c == ESC) |
| 667 | { |
| 668 | kseq[i++] = '\\'; |
| 669 | c = 'e'; |
| 670 | } |
| 671 | else if (CTRL_CHAR (c)) |
| 672 | { |
| 673 | kseq[i++] = '\\'; |
| 674 | kseq[i++] = 'C'; |
| 675 | kseq[i++] = '-'; |
| 676 | c = _rl_to_lower (UNCTRL (c)); |
| 677 | } |
| 678 | else if (c == RUBOUT) |
| 679 | { |
| 680 | kseq[i++] = '\\'; |
| 681 | kseq[i++] = 'C'; |
| 682 | kseq[i++] = '-'; |
| 683 | c = '?'; |
| 684 | } |
| 685 | |
| 686 | if (c == ESC) |
| 687 | { |
| 688 | kseq[i++] = '\\'; |
| 689 | c = 'e'; |
| 690 | } |
| 691 | else if (c == '\\' || c == '"') |
| 692 | { |
| 693 | kseq[i++] = '\\'; |
| 694 | } |
| 695 | |
| 696 | kseq[i++] = (unsigned char) c; |
| 697 | kseq[i] = '\0'; |
| 698 | return kseq; |
| 699 | } |
| 700 | |
| 701 | char * |
| 702 | _rl_untranslate_macro_value (char *seq, int use_escapes) |
| 703 | { |
| 704 | char *ret, *r, *s; |
| 705 | int c; |
| 706 | |
| 707 | r = ret = (char *)xmalloc (7 * strlen (seq) + 1); |
| 708 | for (s = seq; *s; s++) |
| 709 | { |
| 710 | c = *s; |
| 711 | if (META_CHAR (c)) |
| 712 | { |
| 713 | *r++ = '\\'; |
| 714 | *r++ = 'M'; |
| 715 | *r++ = '-'; |
| 716 | c = UNMETA (c); |
| 717 | } |
| 718 | else if (c == ESC) |
| 719 | { |
| 720 | *r++ = '\\'; |
| 721 | c = 'e'; |
| 722 | } |
| 723 | else if (CTRL_CHAR (c)) |
| 724 | { |
| 725 | *r++ = '\\'; |
| 726 | if (use_escapes && _rl_isescape (c)) |
| 727 | c = _rl_escchar (c); |
| 728 | else |
| 729 | { |
| 730 | *r++ = 'C'; |
| 731 | *r++ = '-'; |
| 732 | c = _rl_to_lower (UNCTRL (c)); |
| 733 | } |
| 734 | } |
| 735 | else if (c == RUBOUT) |
| 736 | { |
| 737 | *r++ = '\\'; |
| 738 | *r++ = 'C'; |
| 739 | *r++ = '-'; |
| 740 | c = '?'; |
| 741 | } |
| 742 | |
| 743 | if (c == ESC) |
| 744 | { |
| 745 | *r++ = '\\'; |
| 746 | c = 'e'; |
| 747 | } |
| 748 | else if (c == '\\' || c == '"') |
| 749 | *r++ = '\\'; |
| 750 | |
| 751 | *r++ = (unsigned char)c; |
| 752 | } |
| 753 | *r = '\0'; |
| 754 | return ret; |
| 755 | } |
| 756 | |
| 757 | /* Return a pointer to the function that STRING represents. |
| 758 | If STRING doesn't have a matching function, then a NULL pointer |
| 759 | is returned. */ |
| 760 | rl_command_func_t * |
| 761 | rl_named_function (const char *string) |
| 762 | { |
| 763 | register int i; |
| 764 | |
| 765 | rl_initialize_funmap (); |
| 766 | |
| 767 | for (i = 0; funmap[i]; i++) |
| 768 | if (_rl_stricmp (funmap[i]->name, string) == 0) |
| 769 | return (funmap[i]->function); |
| 770 | return ((rl_command_func_t *)NULL); |
| 771 | } |
| 772 | |
| 773 | /* Return the function (or macro) definition which would be invoked via |
| 774 | KEYSEQ if executed in MAP. If MAP is NULL, then the current keymap is |
| 775 | used. TYPE, if non-NULL, is a pointer to an int which will receive the |
| 776 | type of the object pointed to. One of ISFUNC (function), ISKMAP (keymap), |
| 777 | or ISMACR (macro). */ |
| 778 | static rl_command_func_t * |
| 779 | _rl_function_of_keyseq_internal (const char *keyseq, size_t len, Keymap map, int *type) |
| 780 | { |
| 781 | register int i; |
| 782 | |
| 783 | if (map == 0) |
| 784 | map = _rl_keymap; |
| 785 | |
| 786 | for (i = 0; keyseq && i < len; i++) |
| 787 | { |
| 788 | unsigned char ic = keyseq[i]; |
| 789 | |
| 790 | if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii) |
| 791 | { |
| 792 | if (map[ESC].type == ISKMAP) |
| 793 | { |
| 794 | map = FUNCTION_TO_KEYMAP (map, ESC); |
| 795 | ic = UNMETA (ic); |
| 796 | } |
| 797 | /* XXX - should we just return NULL here, since this obviously |
| 798 | doesn't match? */ |
| 799 | else |
| 800 | { |
| 801 | if (type) |
| 802 | *type = map[ESC].type; |
| 803 | |
| 804 | return (map[ESC].function); |
| 805 | } |
| 806 | } |
| 807 | |
| 808 | if (map[ic].type == ISKMAP) |
| 809 | { |
| 810 | /* If this is the last key in the key sequence, return the |
| 811 | map. */ |
| 812 | if (keyseq[i + 1] == '\0') |
| 813 | { |
| 814 | if (type) |
| 815 | *type = ISKMAP; |
| 816 | |
| 817 | return (map[ic].function); |
| 818 | } |
| 819 | else |
| 820 | map = FUNCTION_TO_KEYMAP (map, ic); |
| 821 | } |
| 822 | /* If we're not at the end of the key sequence, and the current key |
| 823 | is bound to something other than a keymap, then the entire key |
| 824 | sequence is not bound. */ |
| 825 | else if (map[ic].type != ISKMAP && keyseq[i+1]) |
| 826 | return ((rl_command_func_t *)NULL); |
| 827 | else /* map[ic].type != ISKMAP && keyseq[i+1] == 0 */ |
| 828 | { |
| 829 | if (type) |
| 830 | *type = map[ic].type; |
| 831 | |
| 832 | return (map[ic].function); |
| 833 | } |
| 834 | } |
| 835 | return ((rl_command_func_t *) NULL); |
| 836 | } |
| 837 | |
| 838 | rl_command_func_t * |
| 839 | rl_function_of_keyseq (const char *keyseq, Keymap map, int *type) |
| 840 | { |
| 841 | return _rl_function_of_keyseq_internal (keyseq, strlen (keyseq), map, type); |
| 842 | } |
| 843 | |
| 844 | rl_command_func_t * |
| 845 | rl_function_of_keyseq_len (const char *keyseq, size_t len, Keymap map, int *type) |
| 846 | { |
| 847 | return _rl_function_of_keyseq_internal (keyseq, len, map, type); |
| 848 | } |
| 849 | |
| 850 | /* The last key bindings file read. */ |
| 851 | static char *last_readline_init_file = (char *)NULL; |
| 852 | |
| 853 | /* The file we're currently reading key bindings from. */ |
| 854 | static const char *current_readline_init_file; |
| 855 | static int current_readline_init_include_level; |
| 856 | static int current_readline_init_lineno; |
| 857 | |
| 858 | /* Read FILENAME into a locally-allocated buffer and return the buffer. |
| 859 | The size of the buffer is returned in *SIZEP. Returns NULL if any |
| 860 | errors were encountered. */ |
| 861 | static char * |
| 862 | _rl_read_file (char *filename, size_t *sizep) |
| 863 | { |
| 864 | struct stat finfo; |
| 865 | size_t file_size; |
| 866 | char *buffer; |
| 867 | int i, file; |
| 868 | |
| 869 | file = -1; |
| 870 | if (((file = open (filename, O_RDONLY, 0666)) < 0) || (fstat (file, &finfo) < 0)) |
| 871 | { |
| 872 | if (file >= 0) |
| 873 | close (file); |
| 874 | return ((char *)NULL); |
| 875 | } |
| 876 | |
| 877 | file_size = (size_t)finfo.st_size; |
| 878 | |
| 879 | /* check for overflow on very large files */ |
| 880 | if (file_size != finfo.st_size || file_size + 1 < file_size) |
| 881 | { |
| 882 | if (file >= 0) |
| 883 | close (file); |
| 884 | #if defined (EFBIG) |
| 885 | errno = EFBIG; |
| 886 | #endif |
| 887 | return ((char *)NULL); |
| 888 | } |
| 889 | |
| 890 | /* Read the file into BUFFER. */ |
| 891 | buffer = (char *)xmalloc (file_size + 1); |
| 892 | i = read (file, buffer, file_size); |
| 893 | close (file); |
| 894 | |
| 895 | if (i < 0) |
| 896 | { |
| 897 | xfree (buffer); |
| 898 | return ((char *)NULL); |
| 899 | } |
| 900 | |
| 901 | RL_CHECK_SIGNALS (); |
| 902 | |
| 903 | buffer[i] = '\0'; |
| 904 | if (sizep) |
| 905 | *sizep = i; |
| 906 | |
| 907 | return (buffer); |
| 908 | } |
| 909 | |
| 910 | /* Re-read the current keybindings file. */ |
| 911 | int |
| 912 | rl_re_read_init_file (int count, int ignore) |
| 913 | { |
| 914 | int r; |
| 915 | r = rl_read_init_file ((const char *)NULL); |
| 916 | rl_set_keymap_from_edit_mode (); |
| 917 | return r; |
| 918 | } |
| 919 | |
| 920 | /* Do key bindings from a file. If FILENAME is NULL it defaults |
| 921 | to the first non-null filename from this list: |
| 922 | 1. the filename used for the previous call |
| 923 | 2. the value of the shell variable `INPUTRC' |
| 924 | 3. ~/.inputrc |
| 925 | 4. /etc/inputrc |
| 926 | If the file existed and could be opened and read, 0 is returned, |
| 927 | otherwise errno is returned. */ |
| 928 | int |
| 929 | rl_read_init_file (const char *filename) |
| 930 | { |
| 931 | /* Default the filename. */ |
| 932 | if (filename == 0) |
| 933 | filename = last_readline_init_file; |
| 934 | if (filename == 0) |
| 935 | filename = sh_get_env_value ("INPUTRC"); |
| 936 | if (filename == 0 || *filename == 0) |
| 937 | { |
| 938 | filename = DEFAULT_INPUTRC; |
| 939 | /* Try to read DEFAULT_INPUTRC; fall back to SYS_INPUTRC on failure */ |
| 940 | if (_rl_read_init_file (filename, 0) == 0) |
| 941 | return 0; |
| 942 | filename = SYS_INPUTRC; |
| 943 | } |
| 944 | |
| 945 | #if defined (__MSDOS__) |
| 946 | if (_rl_read_init_file (filename, 0) == 0) |
| 947 | return 0; |
| 948 | filename = "~/_inputrc"; |
| 949 | #endif |
| 950 | return (_rl_read_init_file (filename, 0)); |
| 951 | } |
| 952 | |
| 953 | static int |
| 954 | _rl_read_init_file (const char *filename, int include_level) |
| 955 | { |
| 956 | register int i; |
| 957 | char *buffer, *openname, *line, *end; |
| 958 | size_t file_size; |
| 959 | |
| 960 | current_readline_init_file = filename; |
| 961 | current_readline_init_include_level = include_level; |
| 962 | |
| 963 | openname = tilde_expand (filename); |
| 964 | buffer = _rl_read_file (openname, &file_size); |
| 965 | xfree (openname); |
| 966 | |
| 967 | RL_CHECK_SIGNALS (); |
| 968 | if (buffer == 0) |
| 969 | return (errno); |
| 970 | |
| 971 | if (include_level == 0 && filename != last_readline_init_file) |
| 972 | { |
| 973 | FREE (last_readline_init_file); |
| 974 | last_readline_init_file = savestring (filename); |
| 975 | } |
| 976 | |
| 977 | currently_reading_init_file = 1; |
| 978 | |
| 979 | /* Loop over the lines in the file. Lines that start with `#' are |
| 980 | comments; all other lines are commands for readline initialization. */ |
| 981 | current_readline_init_lineno = 1; |
| 982 | line = buffer; |
| 983 | end = buffer + file_size; |
| 984 | while (line < end) |
| 985 | { |
| 986 | /* Find the end of this line. */ |
| 987 | for (i = 0; line + i != end && line[i] != '\n'; i++); |
| 988 | |
| 989 | #if defined (__CYGWIN__) |
| 990 | /* ``Be liberal in what you accept.'' */ |
| 991 | if (line[i] == '\n' && line[i-1] == '\r') |
| 992 | line[i - 1] = '\0'; |
| 993 | #endif |
| 994 | |
| 995 | /* Mark end of line. */ |
| 996 | line[i] = '\0'; |
| 997 | |
| 998 | /* Skip leading whitespace. */ |
| 999 | while (*line && whitespace (*line)) |
| 1000 | { |
| 1001 | line++; |
| 1002 | i--; |
| 1003 | } |
| 1004 | |
| 1005 | /* If the line is not a comment, then parse it. */ |
| 1006 | if (*line && *line != '#') |
| 1007 | rl_parse_and_bind (line); |
| 1008 | |
| 1009 | /* Move to the next line. */ |
| 1010 | line += i + 1; |
| 1011 | current_readline_init_lineno++; |
| 1012 | } |
| 1013 | |
| 1014 | xfree (buffer); |
| 1015 | currently_reading_init_file = 0; |
| 1016 | return (0); |
| 1017 | } |
| 1018 | |
| 1019 | static void |
| 1020 | #if defined (PREFER_STDARG) |
| 1021 | _rl_init_file_error (const char *format, ...) |
| 1022 | #else |
| 1023 | _rl_init_file_error (va_alist) |
| 1024 | va_dcl |
| 1025 | #endif |
| 1026 | { |
| 1027 | va_list args; |
| 1028 | #if defined (PREFER_VARARGS) |
| 1029 | char *format; |
| 1030 | #endif |
| 1031 | |
| 1032 | #if defined (PREFER_STDARG) |
| 1033 | va_start (args, format); |
| 1034 | #else |
| 1035 | va_start (args); |
| 1036 | format = va_arg (args, char *); |
| 1037 | #endif |
| 1038 | |
| 1039 | fprintf (stderr, "readline: "); |
| 1040 | if (currently_reading_init_file) |
| 1041 | fprintf (stderr, "%s: line %d: ", current_readline_init_file, |
| 1042 | current_readline_init_lineno); |
| 1043 | |
| 1044 | vfprintf (stderr, format, args); |
| 1045 | fprintf (stderr, "\n"); |
| 1046 | fflush (stderr); |
| 1047 | |
| 1048 | va_end (args); |
| 1049 | } |
| 1050 | |
| 1051 | /* **************************************************************** */ |
| 1052 | /* */ |
| 1053 | /* Parser Helper Functions */ |
| 1054 | /* */ |
| 1055 | /* **************************************************************** */ |
| 1056 | |
| 1057 | static int |
| 1058 | parse_comparison_op (s, indp) |
| 1059 | const char *s; |
| 1060 | int *indp; |
| 1061 | { |
| 1062 | int i, peekc, op; |
| 1063 | |
| 1064 | if (OPSTART (s[*indp]) == 0) |
| 1065 | return -1; |
| 1066 | i = *indp; |
| 1067 | peekc = s[i] ? s[i+1] : 0; |
| 1068 | op = -1; |
| 1069 | |
| 1070 | if (s[i] == '=') |
| 1071 | { |
| 1072 | op = OP_EQ; |
| 1073 | if (peekc == '=') |
| 1074 | i++; |
| 1075 | i++; |
| 1076 | } |
| 1077 | else if (s[i] == '!' && peekc == '=') |
| 1078 | { |
| 1079 | op = OP_NE; |
| 1080 | i += 2; |
| 1081 | } |
| 1082 | else if (s[i] == '<' && peekc == '=') |
| 1083 | { |
| 1084 | op = OP_LE; |
| 1085 | i += 2; |
| 1086 | } |
| 1087 | else if (s[i] == '>' && peekc == '=') |
| 1088 | { |
| 1089 | op = OP_GE; |
| 1090 | i += 2; |
| 1091 | } |
| 1092 | else if (s[i] == '<') |
| 1093 | { |
| 1094 | op = OP_LT; |
| 1095 | i += 1; |
| 1096 | } |
| 1097 | else if (s[i] == '>') |
| 1098 | { |
| 1099 | op = OP_GT; |
| 1100 | i += 1; |
| 1101 | } |
| 1102 | |
| 1103 | *indp = i; |
| 1104 | return op; |
| 1105 | } |
| 1106 | |
| 1107 | /* **************************************************************** */ |
| 1108 | /* */ |
| 1109 | /* Parser Directives */ |
| 1110 | /* */ |
| 1111 | /* **************************************************************** */ |
| 1112 | |
| 1113 | typedef int _rl_parser_func_t PARAMS((char *)); |
| 1114 | |
| 1115 | /* Things that mean `Control'. */ |
| 1116 | const char * const _rl_possible_control_prefixes[] = { |
| 1117 | "Control-", "C-", "CTRL-", (const char *)NULL |
| 1118 | }; |
| 1119 | |
| 1120 | const char * const _rl_possible_meta_prefixes[] = { |
| 1121 | "Meta", "M-", (const char *)NULL |
| 1122 | }; |
| 1123 | |
| 1124 | /* Conditionals. */ |
| 1125 | |
| 1126 | /* Calling programs set this to have their argv[0]. */ |
| 1127 | const char *rl_readline_name = "other"; |
| 1128 | |
| 1129 | /* Stack of previous values of parsing_conditionalized_out. */ |
| 1130 | static unsigned char *if_stack = (unsigned char *)NULL; |
| 1131 | static int if_stack_depth; |
| 1132 | static int if_stack_size; |
| 1133 | |
| 1134 | /* Push _rl_parsing_conditionalized_out, and set parser state based |
| 1135 | on ARGS. */ |
| 1136 | static int |
| 1137 | parser_if (char *args) |
| 1138 | { |
| 1139 | int i, llen, boolvar, strvar; |
| 1140 | |
| 1141 | boolvar = strvar = -1; |
| 1142 | |
| 1143 | /* Push parser state. */ |
| 1144 | if (if_stack_depth + 1 >= if_stack_size) |
| 1145 | { |
| 1146 | if (!if_stack) |
| 1147 | if_stack = (unsigned char *)xmalloc (if_stack_size = 20); |
| 1148 | else |
| 1149 | if_stack = (unsigned char *)xrealloc (if_stack, if_stack_size += 20); |
| 1150 | } |
| 1151 | if_stack[if_stack_depth++] = _rl_parsing_conditionalized_out; |
| 1152 | |
| 1153 | /* If parsing is turned off, then nothing can turn it back on except |
| 1154 | for finding the matching endif. In that case, return right now. */ |
| 1155 | if (_rl_parsing_conditionalized_out) |
| 1156 | return 0; |
| 1157 | |
| 1158 | llen = strlen (args); |
| 1159 | |
| 1160 | /* Isolate first argument. */ |
| 1161 | for (i = 0; args[i] && !whitespace (args[i]); i++); |
| 1162 | |
| 1163 | if (args[i]) |
| 1164 | args[i++] = '\0'; |
| 1165 | |
| 1166 | /* Handle "$if term=foo" and "$if mode=emacs" constructs. If this |
| 1167 | isn't term=foo, or mode=emacs, then check to see if the first |
| 1168 | word in ARGS is the same as the value stored in rl_readline_name. */ |
| 1169 | if (rl_terminal_name && _rl_strnicmp (args, "term=", 5) == 0) |
| 1170 | { |
| 1171 | char *tem, *tname; |
| 1172 | |
| 1173 | /* Terminals like "aaa-60" are equivalent to "aaa". */ |
| 1174 | tname = savestring (rl_terminal_name); |
| 1175 | tem = strchr (tname, '-'); |
| 1176 | if (tem) |
| 1177 | *tem = '\0'; |
| 1178 | |
| 1179 | /* Test the `long' and `short' forms of the terminal name so that |
| 1180 | if someone has a `sun-cmd' and does not want to have bindings |
| 1181 | that will be executed if the terminal is a `sun', they can put |
| 1182 | `$if term=sun-cmd' into their .inputrc. */ |
| 1183 | _rl_parsing_conditionalized_out = _rl_stricmp (args + 5, tname) && |
| 1184 | _rl_stricmp (args + 5, rl_terminal_name); |
| 1185 | xfree (tname); |
| 1186 | } |
| 1187 | #if defined (VI_MODE) |
| 1188 | else if (_rl_strnicmp (args, "mode=", 5) == 0) |
| 1189 | { |
| 1190 | int mode; |
| 1191 | |
| 1192 | if (_rl_stricmp (args + 5, "emacs") == 0) |
| 1193 | mode = emacs_mode; |
| 1194 | else if (_rl_stricmp (args + 5, "vi") == 0) |
| 1195 | mode = vi_mode; |
| 1196 | else |
| 1197 | mode = no_mode; |
| 1198 | |
| 1199 | _rl_parsing_conditionalized_out = mode != rl_editing_mode; |
| 1200 | } |
| 1201 | #endif /* VI_MODE */ |
| 1202 | else if (_rl_strnicmp (args, "version", 7) == 0) |
| 1203 | { |
| 1204 | int rlversion, versionarg, op, previ, major, minor; |
| 1205 | |
| 1206 | _rl_parsing_conditionalized_out = 1; |
| 1207 | rlversion = RL_VERSION_MAJOR*10 + RL_VERSION_MINOR; |
| 1208 | /* if "version" is separated from the operator by whitespace, or the |
| 1209 | operand is separated from the operator by whitespace, restore it. |
| 1210 | We're more liberal with allowed whitespace for this variable. */ |
| 1211 | if (i > 0 && i <= llen && args[i-1] == '\0') |
| 1212 | args[i-1] = ' '; |
| 1213 | args[llen] = '\0'; /* just in case */ |
| 1214 | for (i = 7; whitespace (args[i]); i++) |
| 1215 | ; |
| 1216 | if (OPSTART(args[i]) == 0) |
| 1217 | { |
| 1218 | _rl_init_file_error ("comparison operator expected, found `%s'", args[i] ? args + i : "end-of-line"); |
| 1219 | return 0; |
| 1220 | } |
| 1221 | previ = i; |
| 1222 | op = parse_comparison_op (args, &i); |
| 1223 | if (op <= 0) |
| 1224 | { |
| 1225 | _rl_init_file_error ("comparison operator expected, found `%s'", args+previ); |
| 1226 | return 0; |
| 1227 | } |
| 1228 | for ( ; args[i] && whitespace (args[i]); i++) |
| 1229 | ; |
| 1230 | if (args[i] == 0 || _rl_digit_p (args[i]) == 0) |
| 1231 | { |
| 1232 | _rl_init_file_error ("numeric argument expected, found `%s'", args+i); |
| 1233 | return 0; |
| 1234 | } |
| 1235 | major = minor = 0; |
| 1236 | previ = i; |
| 1237 | for ( ; args[i] && _rl_digit_p (args[i]); i++) |
| 1238 | major = major*10 + _rl_digit_value (args[i]); |
| 1239 | if (args[i] == '.') |
| 1240 | { |
| 1241 | if (args[i + 1] && _rl_digit_p (args [i + 1]) == 0) |
| 1242 | { |
| 1243 | _rl_init_file_error ("numeric argument expected, found `%s'", args+previ); |
| 1244 | return 0; |
| 1245 | } |
| 1246 | for (++i; args[i] && _rl_digit_p (args[i]); i++) |
| 1247 | minor = minor*10 + _rl_digit_value (args[i]); |
| 1248 | } |
| 1249 | /* optional - check for trailing garbage on the line, allow whitespace |
| 1250 | and a trailing comment */ |
| 1251 | previ = i; |
| 1252 | for ( ; args[i] && whitespace (args[i]); i++) |
| 1253 | ; |
| 1254 | if (args[i] && args[i] != '#') |
| 1255 | { |
| 1256 | _rl_init_file_error ("trailing garbage on line: `%s'", args+previ); |
| 1257 | return 0; |
| 1258 | } |
| 1259 | versionarg = major*10 + minor; |
| 1260 | |
| 1261 | switch (op) |
| 1262 | { |
| 1263 | case OP_EQ: |
| 1264 | _rl_parsing_conditionalized_out = rlversion == versionarg; |
| 1265 | break; |
| 1266 | case OP_NE: |
| 1267 | _rl_parsing_conditionalized_out = rlversion != versionarg; |
| 1268 | break; |
| 1269 | case OP_GT: |
| 1270 | _rl_parsing_conditionalized_out = rlversion > versionarg; |
| 1271 | break; |
| 1272 | case OP_GE: |
| 1273 | _rl_parsing_conditionalized_out = rlversion >= versionarg; |
| 1274 | break; |
| 1275 | case OP_LT: |
| 1276 | _rl_parsing_conditionalized_out = rlversion < versionarg; |
| 1277 | break; |
| 1278 | case OP_LE: |
| 1279 | _rl_parsing_conditionalized_out = rlversion <= versionarg; |
| 1280 | break; |
| 1281 | } |
| 1282 | } |
| 1283 | /* Check to see if the first word in ARGS is the same as the |
| 1284 | value stored in rl_readline_name. */ |
| 1285 | else if (_rl_stricmp (args, rl_readline_name) == 0) |
| 1286 | _rl_parsing_conditionalized_out = 0; |
| 1287 | else if ((boolvar = find_boolean_var (args)) >= 0 || (strvar = find_string_var (args)) >= 0) |
| 1288 | { |
| 1289 | int op, previ; |
| 1290 | size_t vlen; |
| 1291 | const char *vname; |
| 1292 | char *valuearg, *vval, prevc; |
| 1293 | |
| 1294 | _rl_parsing_conditionalized_out = 1; |
| 1295 | vname = (boolvar >= 0) ? boolean_varname (boolvar) : string_varname (strvar); |
| 1296 | vlen = strlen (vname); |
| 1297 | if (i > 0 && i <= llen && args[i-1] == '\0') |
| 1298 | args[i-1] = ' '; |
| 1299 | args[llen] = '\0'; /* just in case */ |
| 1300 | for (i = vlen; whitespace (args[i]); i++) |
| 1301 | ; |
| 1302 | if (CMPSTART(args[i]) == 0) |
| 1303 | { |
| 1304 | _rl_init_file_error ("equality comparison operator expected, found `%s'", args[i] ? args + i : "end-of-line"); |
| 1305 | return 0; |
| 1306 | } |
| 1307 | previ = i; |
| 1308 | op = parse_comparison_op (args, &i); |
| 1309 | if (op != OP_EQ && op != OP_NE) |
| 1310 | { |
| 1311 | _rl_init_file_error ("equality comparison operator expected, found `%s'", args+previ); |
| 1312 | return 0; |
| 1313 | } |
| 1314 | for ( ; args[i] && whitespace (args[i]); i++) |
| 1315 | ; |
| 1316 | if (args[i] == 0) |
| 1317 | { |
| 1318 | _rl_init_file_error ("argument expected, found `%s'", args+i); |
| 1319 | return 0; |
| 1320 | } |
| 1321 | previ = i; |
| 1322 | valuearg = args + i; |
| 1323 | for ( ; args[i] && whitespace (args[i]) == 0; i++) |
| 1324 | ; |
| 1325 | prevc = args[i]; |
| 1326 | args[i] = '\0'; /* null-terminate valuearg */ |
| 1327 | vval = rl_variable_value (vname); |
| 1328 | if (op == OP_EQ) |
| 1329 | _rl_parsing_conditionalized_out = _rl_stricmp (vval, valuearg) != 0; |
| 1330 | else if (op == OP_NE) |
| 1331 | _rl_parsing_conditionalized_out = _rl_stricmp (vval, valuearg) == 0; |
| 1332 | args[i] = prevc; |
| 1333 | } |
| 1334 | else |
| 1335 | _rl_parsing_conditionalized_out = 1; |
| 1336 | return 0; |
| 1337 | } |
| 1338 | |
| 1339 | /* Invert the current parser state if there is anything on the stack. */ |
| 1340 | static int |
| 1341 | parser_else (char *args) |
| 1342 | { |
| 1343 | register int i; |
| 1344 | |
| 1345 | if (if_stack_depth == 0) |
| 1346 | { |
| 1347 | _rl_init_file_error ("$else found without matching $if"); |
| 1348 | return 0; |
| 1349 | } |
| 1350 | |
| 1351 | #if 0 |
| 1352 | /* Check the previous (n - 1) levels of the stack to make sure that |
| 1353 | we haven't previously turned off parsing. */ |
| 1354 | for (i = 0; i < if_stack_depth - 1; i++) |
| 1355 | #else |
| 1356 | /* Check the previous (n) levels of the stack to make sure that |
| 1357 | we haven't previously turned off parsing. */ |
| 1358 | for (i = 0; i < if_stack_depth; i++) |
| 1359 | #endif |
| 1360 | if (if_stack[i] == 1) |
| 1361 | return 0; |
| 1362 | |
| 1363 | /* Invert the state of parsing if at top level. */ |
| 1364 | _rl_parsing_conditionalized_out = !_rl_parsing_conditionalized_out; |
| 1365 | return 0; |
| 1366 | } |
| 1367 | |
| 1368 | /* Terminate a conditional, popping the value of |
| 1369 | _rl_parsing_conditionalized_out from the stack. */ |
| 1370 | static int |
| 1371 | parser_endif (char *args) |
| 1372 | { |
| 1373 | if (if_stack_depth) |
| 1374 | _rl_parsing_conditionalized_out = if_stack[--if_stack_depth]; |
| 1375 | else |
| 1376 | _rl_init_file_error ("$endif without matching $if"); |
| 1377 | return 0; |
| 1378 | } |
| 1379 | |
| 1380 | static int |
| 1381 | parser_include (char *args) |
| 1382 | { |
| 1383 | const char *old_init_file; |
| 1384 | char *e; |
| 1385 | int old_line_number, old_include_level, r; |
| 1386 | |
| 1387 | if (_rl_parsing_conditionalized_out) |
| 1388 | return (0); |
| 1389 | |
| 1390 | old_init_file = current_readline_init_file; |
| 1391 | old_line_number = current_readline_init_lineno; |
| 1392 | old_include_level = current_readline_init_include_level; |
| 1393 | |
| 1394 | e = strchr (args, '\n'); |
| 1395 | if (e) |
| 1396 | *e = '\0'; |
| 1397 | r = _rl_read_init_file ((const char *)args, old_include_level + 1); |
| 1398 | |
| 1399 | current_readline_init_file = old_init_file; |
| 1400 | current_readline_init_lineno = old_line_number; |
| 1401 | current_readline_init_include_level = old_include_level; |
| 1402 | |
| 1403 | return r; |
| 1404 | } |
| 1405 | |
| 1406 | /* Associate textual names with actual functions. */ |
| 1407 | static const struct { |
| 1408 | const char * const name; |
| 1409 | _rl_parser_func_t *function; |
| 1410 | } parser_directives [] = { |
| 1411 | { "if", parser_if }, |
| 1412 | { "endif", parser_endif }, |
| 1413 | { "else", parser_else }, |
| 1414 | { "include", parser_include }, |
| 1415 | { (char *)0x0, (_rl_parser_func_t *)0x0 } |
| 1416 | }; |
| 1417 | |
| 1418 | /* Handle a parser directive. STATEMENT is the line of the directive |
| 1419 | without any leading `$'. */ |
| 1420 | static int |
| 1421 | handle_parser_directive (char *statement) |
| 1422 | { |
| 1423 | register int i; |
| 1424 | char *directive, *args; |
| 1425 | |
| 1426 | /* Isolate the actual directive. */ |
| 1427 | |
| 1428 | /* Skip whitespace. */ |
| 1429 | for (i = 0; whitespace (statement[i]); i++); |
| 1430 | |
| 1431 | directive = &statement[i]; |
| 1432 | |
| 1433 | for (; statement[i] && !whitespace (statement[i]); i++); |
| 1434 | |
| 1435 | if (statement[i]) |
| 1436 | statement[i++] = '\0'; |
| 1437 | |
| 1438 | for (; statement[i] && whitespace (statement[i]); i++); |
| 1439 | |
| 1440 | args = &statement[i]; |
| 1441 | |
| 1442 | /* Lookup the command, and act on it. */ |
| 1443 | for (i = 0; parser_directives[i].name; i++) |
| 1444 | if (_rl_stricmp (directive, parser_directives[i].name) == 0) |
| 1445 | { |
| 1446 | (*parser_directives[i].function) (args); |
| 1447 | return (0); |
| 1448 | } |
| 1449 | |
| 1450 | /* display an error message about the unknown parser directive */ |
| 1451 | _rl_init_file_error ("%s: unknown parser directive", directive); |
| 1452 | return (1); |
| 1453 | } |
| 1454 | |
| 1455 | /* Start at STRING[START] and look for DELIM. Return I where STRING[I] == |
| 1456 | DELIM or STRING[I] == 0. DELIM is usually a double quote. */ |
| 1457 | static int |
| 1458 | _rl_skip_to_delim (char *string, int start, int delim) |
| 1459 | { |
| 1460 | int i, c, passc; |
| 1461 | |
| 1462 | for (i = start,passc = 0; c = string[i]; i++) |
| 1463 | { |
| 1464 | if (passc) |
| 1465 | { |
| 1466 | passc = 0; |
| 1467 | if (c == 0) |
| 1468 | break; |
| 1469 | continue; |
| 1470 | } |
| 1471 | |
| 1472 | if (c == '\\') |
| 1473 | { |
| 1474 | passc = 1; |
| 1475 | continue; |
| 1476 | } |
| 1477 | |
| 1478 | if (c == delim) |
| 1479 | break; |
| 1480 | } |
| 1481 | |
| 1482 | return i; |
| 1483 | } |
| 1484 | |
| 1485 | /* Read the binding command from STRING and perform it. |
| 1486 | A key binding command looks like: Keyname: function-name\0, |
| 1487 | a variable binding command looks like: set variable value. |
| 1488 | A new-style keybinding looks like "\C-x\C-x": exchange-point-and-mark. */ |
| 1489 | int |
| 1490 | rl_parse_and_bind (char *string) |
| 1491 | { |
| 1492 | char *funname, *kname; |
| 1493 | register int c, i; |
| 1494 | int key, equivalency, foundmod, foundsep; |
| 1495 | |
| 1496 | while (string && whitespace (*string)) |
| 1497 | string++; |
| 1498 | |
| 1499 | if (string == 0 || *string == 0 || *string == '#') |
| 1500 | return 0; |
| 1501 | |
| 1502 | /* If this is a parser directive, act on it. */ |
| 1503 | if (*string == '$') |
| 1504 | { |
| 1505 | handle_parser_directive (&string[1]); |
| 1506 | return 0; |
| 1507 | } |
| 1508 | |
| 1509 | /* If we aren't supposed to be parsing right now, then we're done. */ |
| 1510 | if (_rl_parsing_conditionalized_out) |
| 1511 | return 0; |
| 1512 | |
| 1513 | i = 0; |
| 1514 | /* If this keyname is a complex key expression surrounded by quotes, |
| 1515 | advance to after the matching close quote. This code allows the |
| 1516 | backslash to quote characters in the key expression. */ |
| 1517 | if (*string == '"') |
| 1518 | { |
| 1519 | i = _rl_skip_to_delim (string, 1, '"'); |
| 1520 | |
| 1521 | /* If we didn't find a closing quote, abort the line. */ |
| 1522 | if (string[i] == '\0') |
| 1523 | { |
| 1524 | _rl_init_file_error ("%s: no closing `\"' in key binding", string); |
| 1525 | return 1; |
| 1526 | } |
| 1527 | else |
| 1528 | i++; /* skip past closing double quote */ |
| 1529 | } |
| 1530 | |
| 1531 | /* Advance to the colon (:) or whitespace which separates the two objects. */ |
| 1532 | for (; (c = string[i]) && c != ':' && c != ' ' && c != '\t'; i++ ); |
| 1533 | |
| 1534 | if (i == 0) |
| 1535 | { |
| 1536 | _rl_init_file_error ("`%s': invalid key binding: missing key sequence", string); |
| 1537 | return 1; |
| 1538 | } |
| 1539 | |
| 1540 | equivalency = (c == ':' && string[i + 1] == '='); |
| 1541 | |
| 1542 | foundsep = c != 0; |
| 1543 | |
| 1544 | /* Mark the end of the command (or keyname). */ |
| 1545 | if (string[i]) |
| 1546 | string[i++] = '\0'; |
| 1547 | |
| 1548 | /* If doing assignment, skip the '=' sign as well. */ |
| 1549 | if (equivalency) |
| 1550 | string[i++] = '\0'; |
| 1551 | |
| 1552 | /* If this is a command to set a variable, then do that. */ |
| 1553 | if (_rl_stricmp (string, "set") == 0) |
| 1554 | { |
| 1555 | char *var, *value, *e; |
| 1556 | int s; |
| 1557 | |
| 1558 | var = string + i; |
| 1559 | /* Make VAR point to start of variable name. */ |
| 1560 | while (*var && whitespace (*var)) var++; |
| 1561 | |
| 1562 | /* Make VALUE point to start of value string. */ |
| 1563 | value = var; |
| 1564 | while (*value && whitespace (*value) == 0) value++; |
| 1565 | if (*value) |
| 1566 | *value++ = '\0'; |
| 1567 | while (*value && whitespace (*value)) value++; |
| 1568 | |
| 1569 | /* Strip trailing whitespace from values of boolean variables. */ |
| 1570 | if (find_boolean_var (var) >= 0) |
| 1571 | { |
| 1572 | /* remove trailing whitespace */ |
| 1573 | remove_trailing: |
| 1574 | e = value + strlen (value) - 1; |
| 1575 | while (e >= value && whitespace (*e)) |
| 1576 | e--; |
| 1577 | e++; /* skip back to whitespace or EOS */ |
| 1578 | |
| 1579 | if (*e && e >= value) |
| 1580 | *e = '\0'; |
| 1581 | } |
| 1582 | else if ((i = find_string_var (var)) >= 0) |
| 1583 | { |
| 1584 | /* Allow quoted strings in variable values */ |
| 1585 | if (*value == '"') |
| 1586 | { |
| 1587 | i = _rl_skip_to_delim (value, 1, *value); |
| 1588 | value[i] = '\0'; |
| 1589 | value++; /* skip past the quote */ |
| 1590 | } |
| 1591 | else |
| 1592 | goto remove_trailing; |
| 1593 | } |
| 1594 | |
| 1595 | rl_variable_bind (var, value); |
| 1596 | return 0; |
| 1597 | } |
| 1598 | |
| 1599 | /* Skip any whitespace between keyname and funname. */ |
| 1600 | for (; string[i] && whitespace (string[i]); i++); |
| 1601 | funname = &string[i]; |
| 1602 | |
| 1603 | /* Now isolate funname. |
| 1604 | For straight function names just look for whitespace, since |
| 1605 | that will signify the end of the string. But this could be a |
| 1606 | macro definition. In that case, the string is quoted, so skip |
| 1607 | to the matching delimiter. We allow the backslash to quote the |
| 1608 | delimiter characters in the macro body. */ |
| 1609 | /* This code exists to allow whitespace in macro expansions, which |
| 1610 | would otherwise be gobbled up by the next `for' loop.*/ |
| 1611 | /* XXX - it may be desirable to allow backslash quoting only if " is |
| 1612 | the quoted string delimiter, like the shell. */ |
| 1613 | if (*funname == '\'' || *funname == '"') |
| 1614 | { |
| 1615 | i = _rl_skip_to_delim (string, i+1, *funname); |
| 1616 | if (string[i]) |
| 1617 | i++; |
| 1618 | else |
| 1619 | { |
| 1620 | _rl_init_file_error ("`%s': missing closing quote for macro", funname); |
| 1621 | return 1; |
| 1622 | } |
| 1623 | } |
| 1624 | |
| 1625 | /* Advance to the end of the string. */ |
| 1626 | for (; string[i] && whitespace (string[i]) == 0; i++); |
| 1627 | |
| 1628 | /* No extra whitespace at the end of the string. */ |
| 1629 | string[i] = '\0'; |
| 1630 | |
| 1631 | /* Handle equivalency bindings here. Make the left-hand side be exactly |
| 1632 | whatever the right-hand evaluates to, including keymaps. */ |
| 1633 | if (equivalency) |
| 1634 | { |
| 1635 | return 0; |
| 1636 | } |
| 1637 | |
| 1638 | if (foundsep == 0) |
| 1639 | { |
| 1640 | _rl_init_file_error ("%s: no key sequence terminator", string); |
| 1641 | return 1; |
| 1642 | } |
| 1643 | |
| 1644 | /* If this is a new-style key-binding, then do the binding with |
| 1645 | rl_bind_keyseq (). Otherwise, let the older code deal with it. */ |
| 1646 | if (*string == '"') |
| 1647 | { |
| 1648 | char *seq; |
| 1649 | register int j, k, passc; |
| 1650 | |
| 1651 | seq = (char *)xmalloc (1 + strlen (string)); |
| 1652 | for (j = 1, k = passc = 0; string[j]; j++) |
| 1653 | { |
| 1654 | /* Allow backslash to quote characters, but leave them in place. |
| 1655 | This allows a string to end with a backslash quoting another |
| 1656 | backslash, or with a backslash quoting a double quote. The |
| 1657 | backslashes are left in place for rl_translate_keyseq (). */ |
| 1658 | if (passc || (string[j] == '\\')) |
| 1659 | { |
| 1660 | seq[k++] = string[j]; |
| 1661 | passc = !passc; |
| 1662 | continue; |
| 1663 | } |
| 1664 | |
| 1665 | if (string[j] == '"') |
| 1666 | break; |
| 1667 | |
| 1668 | seq[k++] = string[j]; |
| 1669 | } |
| 1670 | seq[k] = '\0'; |
| 1671 | |
| 1672 | /* Binding macro? */ |
| 1673 | if (*funname == '\'' || *funname == '"') |
| 1674 | { |
| 1675 | j = strlen (funname); |
| 1676 | |
| 1677 | /* Remove the delimiting quotes from each end of FUNNAME. */ |
| 1678 | if (j && funname[j - 1] == *funname) |
| 1679 | funname[j - 1] = '\0'; |
| 1680 | |
| 1681 | rl_macro_bind (seq, &funname[1], _rl_keymap); |
| 1682 | } |
| 1683 | else |
| 1684 | rl_bind_keyseq (seq, rl_named_function (funname)); |
| 1685 | |
| 1686 | xfree (seq); |
| 1687 | return 0; |
| 1688 | } |
| 1689 | |
| 1690 | /* Get the actual character we want to deal with. */ |
| 1691 | kname = strrchr (string, '-'); |
| 1692 | if (kname == 0) |
| 1693 | kname = string; |
| 1694 | else |
| 1695 | kname++; |
| 1696 | |
| 1697 | key = glean_key_from_name (kname); |
| 1698 | |
| 1699 | /* Add in control and meta bits. */ |
| 1700 | foundmod = 0; |
| 1701 | if (substring_member_of_array (string, _rl_possible_control_prefixes)) |
| 1702 | { |
| 1703 | key = CTRL (_rl_to_upper (key)); |
| 1704 | foundmod = 1; |
| 1705 | } |
| 1706 | |
| 1707 | if (substring_member_of_array (string, _rl_possible_meta_prefixes)) |
| 1708 | { |
| 1709 | key = META (key); |
| 1710 | foundmod = 1; |
| 1711 | } |
| 1712 | |
| 1713 | if (foundmod == 0 && kname != string) |
| 1714 | { |
| 1715 | _rl_init_file_error ("%s: unknown key modifier", string); |
| 1716 | return 1; |
| 1717 | } |
| 1718 | |
| 1719 | /* Temporary. Handle old-style keyname with macro-binding. */ |
| 1720 | if (*funname == '\'' || *funname == '"') |
| 1721 | { |
| 1722 | char useq[2]; |
| 1723 | int fl = strlen (funname); |
| 1724 | |
| 1725 | useq[0] = key; useq[1] = '\0'; |
| 1726 | if (fl && funname[fl - 1] == *funname) |
| 1727 | funname[fl - 1] = '\0'; |
| 1728 | |
| 1729 | rl_macro_bind (useq, &funname[1], _rl_keymap); |
| 1730 | } |
| 1731 | #if defined (PREFIX_META_HACK) |
| 1732 | /* Ugly, but working hack to keep prefix-meta around. */ |
| 1733 | else if (_rl_stricmp (funname, "prefix-meta") == 0) |
| 1734 | { |
| 1735 | char seq[2]; |
| 1736 | |
| 1737 | seq[0] = key; |
| 1738 | seq[1] = '\0'; |
| 1739 | rl_generic_bind (ISKMAP, seq, (char *)emacs_meta_keymap, _rl_keymap); |
| 1740 | } |
| 1741 | #endif /* PREFIX_META_HACK */ |
| 1742 | else |
| 1743 | rl_bind_key (key, rl_named_function (funname)); |
| 1744 | |
| 1745 | return 0; |
| 1746 | } |
| 1747 | |
| 1748 | /* Simple structure for boolean readline variables (i.e., those that can |
| 1749 | have one of two values; either "On" or 1 for truth, or "Off" or 0 for |
| 1750 | false. */ |
| 1751 | |
| 1752 | #define V_SPECIAL 0x1 |
| 1753 | |
| 1754 | static const struct { |
| 1755 | const char * const name; |
| 1756 | int *value; |
| 1757 | int flags; |
| 1758 | } boolean_varlist [] = { |
| 1759 | { "bind-tty-special-chars", &_rl_bind_stty_chars, 0 }, |
| 1760 | { "blink-matching-paren", &rl_blink_matching_paren, V_SPECIAL }, |
| 1761 | { "byte-oriented", &rl_byte_oriented, 0 }, |
| 1762 | #if defined (COLOR_SUPPORT) |
| 1763 | { "colored-completion-prefix",&_rl_colored_completion_prefix, 0 }, |
| 1764 | { "colored-stats", &_rl_colored_stats, 0 }, |
| 1765 | #endif |
| 1766 | { "completion-ignore-case", &_rl_completion_case_fold, 0 }, |
| 1767 | { "completion-map-case", &_rl_completion_case_map, 0 }, |
| 1768 | { "convert-meta", &_rl_convert_meta_chars_to_ascii, 0 }, |
| 1769 | { "disable-completion", &rl_inhibit_completion, 0 }, |
| 1770 | { "echo-control-characters", &_rl_echo_control_chars, 0 }, |
| 1771 | { "enable-bracketed-paste", &_rl_enable_bracketed_paste, 0 }, |
| 1772 | { "enable-keypad", &_rl_enable_keypad, 0 }, |
| 1773 | { "enable-meta-key", &_rl_enable_meta, 0 }, |
| 1774 | { "expand-tilde", &rl_complete_with_tilde_expansion, 0 }, |
| 1775 | { "history-preserve-point", &_rl_history_preserve_point, 0 }, |
| 1776 | { "horizontal-scroll-mode", &_rl_horizontal_scroll_mode, 0 }, |
| 1777 | { "input-meta", &_rl_meta_flag, 0 }, |
| 1778 | { "mark-directories", &_rl_complete_mark_directories, 0 }, |
| 1779 | { "mark-modified-lines", &_rl_mark_modified_lines, 0 }, |
| 1780 | { "mark-symlinked-directories", &_rl_complete_mark_symlink_dirs, 0 }, |
| 1781 | { "match-hidden-files", &_rl_match_hidden_files, 0 }, |
| 1782 | { "menu-complete-display-prefix", &_rl_menu_complete_prefix_first, 0 }, |
| 1783 | { "meta-flag", &_rl_meta_flag, 0 }, |
| 1784 | { "output-meta", &_rl_output_meta_chars, 0 }, |
| 1785 | { "page-completions", &_rl_page_completions, 0 }, |
| 1786 | { "prefer-visible-bell", &_rl_prefer_visible_bell, V_SPECIAL }, |
| 1787 | { "print-completions-horizontally", &_rl_print_completions_horizontally, 0 }, |
| 1788 | { "revert-all-at-newline", &_rl_revert_all_at_newline, 0 }, |
| 1789 | { "show-all-if-ambiguous", &_rl_complete_show_all, 0 }, |
| 1790 | { "show-all-if-unmodified", &_rl_complete_show_unmodified, 0 }, |
| 1791 | { "show-mode-in-prompt", &_rl_show_mode_in_prompt, 0 }, |
| 1792 | { "skip-completed-text", &_rl_skip_completed_text, 0 }, |
| 1793 | #if defined (VISIBLE_STATS) |
| 1794 | { "visible-stats", &rl_visible_stats, 0 }, |
| 1795 | #endif /* VISIBLE_STATS */ |
| 1796 | { (char *)NULL, (int *)NULL, 0 } |
| 1797 | }; |
| 1798 | |
| 1799 | static int |
| 1800 | find_boolean_var (const char *name) |
| 1801 | { |
| 1802 | register int i; |
| 1803 | |
| 1804 | for (i = 0; boolean_varlist[i].name; i++) |
| 1805 | if (_rl_stricmp (name, boolean_varlist[i].name) == 0) |
| 1806 | return i; |
| 1807 | return -1; |
| 1808 | } |
| 1809 | |
| 1810 | static const char * |
| 1811 | boolean_varname (int i) |
| 1812 | { |
| 1813 | return ((i >= 0) ? boolean_varlist[i].name : (char *)NULL); |
| 1814 | } |
| 1815 | |
| 1816 | /* Hooks for handling special boolean variables, where a |
| 1817 | function needs to be called or another variable needs |
| 1818 | to be changed when they're changed. */ |
| 1819 | static void |
| 1820 | hack_special_boolean_var (int i) |
| 1821 | { |
| 1822 | const char *name; |
| 1823 | |
| 1824 | name = boolean_varlist[i].name; |
| 1825 | |
| 1826 | if (_rl_stricmp (name, "blink-matching-paren") == 0) |
| 1827 | _rl_enable_paren_matching (rl_blink_matching_paren); |
| 1828 | else if (_rl_stricmp (name, "prefer-visible-bell") == 0) |
| 1829 | { |
| 1830 | if (_rl_prefer_visible_bell) |
| 1831 | _rl_bell_preference = VISIBLE_BELL; |
| 1832 | else |
| 1833 | _rl_bell_preference = AUDIBLE_BELL; |
| 1834 | } |
| 1835 | else if (_rl_stricmp (name, "show-mode-in-prompt") == 0) |
| 1836 | _rl_reset_prompt (); |
| 1837 | } |
| 1838 | |
| 1839 | typedef int _rl_sv_func_t PARAMS((const char *)); |
| 1840 | |
| 1841 | /* These *must* correspond to the array indices for the appropriate |
| 1842 | string variable. (Though they're not used right now.) */ |
| 1843 | #define V_BELLSTYLE 0 |
| 1844 | #define V_COMBEGIN 1 |
| 1845 | #define V_EDITMODE 2 |
| 1846 | #define V_ISRCHTERM 3 |
| 1847 | #define V_KEYMAP 4 |
| 1848 | |
| 1849 | #define V_STRING 1 |
| 1850 | #define V_INT 2 |
| 1851 | |
| 1852 | /* Forward declarations */ |
| 1853 | static int sv_bell_style PARAMS((const char *)); |
| 1854 | static int sv_combegin PARAMS((const char *)); |
| 1855 | static int sv_dispprefix PARAMS((const char *)); |
| 1856 | static int sv_compquery PARAMS((const char *)); |
| 1857 | static int sv_compwidth PARAMS((const char *)); |
| 1858 | static int sv_editmode PARAMS((const char *)); |
| 1859 | static int sv_emacs_modestr PARAMS((const char *)); |
| 1860 | static int sv_histsize PARAMS((const char *)); |
| 1861 | static int sv_isrchterm PARAMS((const char *)); |
| 1862 | static int sv_keymap PARAMS((const char *)); |
| 1863 | static int sv_seqtimeout PARAMS((const char *)); |
| 1864 | static int sv_viins_modestr PARAMS((const char *)); |
| 1865 | static int sv_vicmd_modestr PARAMS((const char *)); |
| 1866 | |
| 1867 | static const struct { |
| 1868 | const char * const name; |
| 1869 | int flags; |
| 1870 | _rl_sv_func_t *set_func; |
| 1871 | } string_varlist[] = { |
| 1872 | { "bell-style", V_STRING, sv_bell_style }, |
| 1873 | { "comment-begin", V_STRING, sv_combegin }, |
| 1874 | { "completion-display-width", V_INT, sv_compwidth }, |
| 1875 | { "completion-prefix-display-length", V_INT, sv_dispprefix }, |
| 1876 | { "completion-query-items", V_INT, sv_compquery }, |
| 1877 | { "editing-mode", V_STRING, sv_editmode }, |
| 1878 | { "emacs-mode-string", V_STRING, sv_emacs_modestr }, |
| 1879 | { "history-size", V_INT, sv_histsize }, |
| 1880 | { "isearch-terminators", V_STRING, sv_isrchterm }, |
| 1881 | { "keymap", V_STRING, sv_keymap }, |
| 1882 | { "keyseq-timeout", V_INT, sv_seqtimeout }, |
| 1883 | { "vi-cmd-mode-string", V_STRING, sv_vicmd_modestr }, |
| 1884 | { "vi-ins-mode-string", V_STRING, sv_viins_modestr }, |
| 1885 | { (char *)NULL, 0, (_rl_sv_func_t *)0 } |
| 1886 | }; |
| 1887 | |
| 1888 | static int |
| 1889 | find_string_var (const char *name) |
| 1890 | { |
| 1891 | register int i; |
| 1892 | |
| 1893 | for (i = 0; string_varlist[i].name; i++) |
| 1894 | if (_rl_stricmp (name, string_varlist[i].name) == 0) |
| 1895 | return i; |
| 1896 | return -1; |
| 1897 | } |
| 1898 | |
| 1899 | static const char * |
| 1900 | string_varname (int i) |
| 1901 | { |
| 1902 | return ((i >= 0) ? string_varlist[i].name : (char *)NULL); |
| 1903 | } |
| 1904 | |
| 1905 | /* A boolean value that can appear in a `set variable' command is true if |
| 1906 | the value is null or empty, `on' (case-insensitive), or "1". Any other |
| 1907 | values result in 0 (false). */ |
| 1908 | static int |
| 1909 | bool_to_int (const char *value) |
| 1910 | { |
| 1911 | return (value == 0 || *value == '\0' || |
| 1912 | (_rl_stricmp (value, "on") == 0) || |
| 1913 | (value[0] == '1' && value[1] == '\0')); |
| 1914 | } |
| 1915 | |
| 1916 | char * |
| 1917 | rl_variable_value (const char *name) |
| 1918 | { |
| 1919 | register int i; |
| 1920 | |
| 1921 | /* Check for simple variables first. */ |
| 1922 | i = find_boolean_var (name); |
| 1923 | if (i >= 0) |
| 1924 | return (*boolean_varlist[i].value ? "on" : "off"); |
| 1925 | |
| 1926 | i = find_string_var (name); |
| 1927 | if (i >= 0) |
| 1928 | return (_rl_get_string_variable_value (string_varlist[i].name)); |
| 1929 | |
| 1930 | /* Unknown variable names return NULL. */ |
| 1931 | return 0; |
| 1932 | } |
| 1933 | |
| 1934 | int |
| 1935 | rl_variable_bind (const char *name, const char *value) |
| 1936 | { |
| 1937 | register int i; |
| 1938 | int v; |
| 1939 | |
| 1940 | /* Check for simple variables first. */ |
| 1941 | i = find_boolean_var (name); |
| 1942 | if (i >= 0) |
| 1943 | { |
| 1944 | *boolean_varlist[i].value = bool_to_int (value); |
| 1945 | if (boolean_varlist[i].flags & V_SPECIAL) |
| 1946 | hack_special_boolean_var (i); |
| 1947 | return 0; |
| 1948 | } |
| 1949 | |
| 1950 | i = find_string_var (name); |
| 1951 | |
| 1952 | /* For the time being, string names without a handler function are simply |
| 1953 | ignored. */ |
| 1954 | if (i < 0 || string_varlist[i].set_func == 0) |
| 1955 | { |
| 1956 | if (i < 0) |
| 1957 | _rl_init_file_error ("%s: unknown variable name", name); |
| 1958 | return 0; |
| 1959 | } |
| 1960 | |
| 1961 | v = (*string_varlist[i].set_func) (value); |
| 1962 | return v; |
| 1963 | } |
| 1964 | |
| 1965 | static int |
| 1966 | sv_editmode (const char *value) |
| 1967 | { |
| 1968 | if (_rl_strnicmp (value, "vi", 2) == 0) |
| 1969 | { |
| 1970 | #if defined (VI_MODE) |
| 1971 | _rl_keymap = vi_insertion_keymap; |
| 1972 | rl_editing_mode = vi_mode; |
| 1973 | #endif /* VI_MODE */ |
| 1974 | return 0; |
| 1975 | } |
| 1976 | else if (_rl_strnicmp (value, "emacs", 5) == 0) |
| 1977 | { |
| 1978 | _rl_keymap = emacs_standard_keymap; |
| 1979 | rl_editing_mode = emacs_mode; |
| 1980 | return 0; |
| 1981 | } |
| 1982 | return 1; |
| 1983 | } |
| 1984 | |
| 1985 | static int |
| 1986 | sv_combegin (const char *value) |
| 1987 | { |
| 1988 | if (value && *value) |
| 1989 | { |
| 1990 | FREE (_rl_comment_begin); |
| 1991 | _rl_comment_begin = savestring (value); |
| 1992 | return 0; |
| 1993 | } |
| 1994 | return 1; |
| 1995 | } |
| 1996 | |
| 1997 | static int |
| 1998 | sv_dispprefix (const char *value) |
| 1999 | { |
| 2000 | int nval = 0; |
| 2001 | |
| 2002 | if (value && *value) |
| 2003 | { |
| 2004 | nval = atoi (value); |
| 2005 | if (nval < 0) |
| 2006 | nval = 0; |
| 2007 | } |
| 2008 | _rl_completion_prefix_display_length = nval; |
| 2009 | return 0; |
| 2010 | } |
| 2011 | |
| 2012 | static int |
| 2013 | sv_compquery (const char *value) |
| 2014 | { |
| 2015 | int nval = 100; |
| 2016 | |
| 2017 | if (value && *value) |
| 2018 | { |
| 2019 | nval = atoi (value); |
| 2020 | if (nval < 0) |
| 2021 | nval = 0; |
| 2022 | } |
| 2023 | rl_completion_query_items = nval; |
| 2024 | return 0; |
| 2025 | } |
| 2026 | |
| 2027 | static int |
| 2028 | sv_compwidth (const char *value) |
| 2029 | { |
| 2030 | int nval = -1; |
| 2031 | |
| 2032 | if (value && *value) |
| 2033 | nval = atoi (value); |
| 2034 | |
| 2035 | _rl_completion_columns = nval; |
| 2036 | return 0; |
| 2037 | } |
| 2038 | |
| 2039 | static int |
| 2040 | sv_histsize (const char *value) |
| 2041 | { |
| 2042 | int nval; |
| 2043 | |
| 2044 | nval = 500; |
| 2045 | if (value && *value) |
| 2046 | { |
| 2047 | nval = atoi (value); |
| 2048 | if (nval < 0) |
| 2049 | { |
| 2050 | unstifle_history (); |
| 2051 | return 0; |
| 2052 | } |
| 2053 | } |
| 2054 | stifle_history (nval); |
| 2055 | return 0; |
| 2056 | } |
| 2057 | |
| 2058 | static int |
| 2059 | sv_keymap (const char *value) |
| 2060 | { |
| 2061 | Keymap kmap; |
| 2062 | |
| 2063 | kmap = rl_get_keymap_by_name (value); |
| 2064 | if (kmap) |
| 2065 | { |
| 2066 | rl_set_keymap (kmap); |
| 2067 | return 0; |
| 2068 | } |
| 2069 | return 1; |
| 2070 | } |
| 2071 | |
| 2072 | static int |
| 2073 | sv_seqtimeout (const char *value) |
| 2074 | { |
| 2075 | int nval; |
| 2076 | |
| 2077 | nval = 0; |
| 2078 | if (value && *value) |
| 2079 | { |
| 2080 | nval = atoi (value); |
| 2081 | if (nval < 0) |
| 2082 | nval = 0; |
| 2083 | } |
| 2084 | _rl_keyseq_timeout = nval; |
| 2085 | return 0; |
| 2086 | } |
| 2087 | |
| 2088 | static int |
| 2089 | sv_bell_style (const char *value) |
| 2090 | { |
| 2091 | if (value == 0 || *value == '\0') |
| 2092 | _rl_bell_preference = AUDIBLE_BELL; |
| 2093 | else if (_rl_stricmp (value, "none") == 0 || _rl_stricmp (value, "off") == 0) |
| 2094 | _rl_bell_preference = NO_BELL; |
| 2095 | else if (_rl_stricmp (value, "audible") == 0 || _rl_stricmp (value, "on") == 0) |
| 2096 | _rl_bell_preference = AUDIBLE_BELL; |
| 2097 | else if (_rl_stricmp (value, "visible") == 0) |
| 2098 | _rl_bell_preference = VISIBLE_BELL; |
| 2099 | else |
| 2100 | return 1; |
| 2101 | return 0; |
| 2102 | } |
| 2103 | |
| 2104 | static int |
| 2105 | sv_isrchterm (const char *value) |
| 2106 | { |
| 2107 | int beg, end, delim; |
| 2108 | char *v; |
| 2109 | |
| 2110 | if (value == 0) |
| 2111 | return 1; |
| 2112 | |
| 2113 | /* Isolate the value and translate it into a character string. */ |
| 2114 | v = savestring (value); |
| 2115 | FREE (_rl_isearch_terminators); |
| 2116 | if (v[0] == '"' || v[0] == '\'') |
| 2117 | { |
| 2118 | delim = v[0]; |
| 2119 | for (beg = end = 1; v[end] && v[end] != delim; end++) |
| 2120 | ; |
| 2121 | } |
| 2122 | else |
| 2123 | { |
| 2124 | for (beg = end = 0; v[end] && whitespace (v[end]) == 0; end++) |
| 2125 | ; |
| 2126 | } |
| 2127 | |
| 2128 | v[end] = '\0'; |
| 2129 | |
| 2130 | /* The value starts at v + beg. Translate it into a character string. */ |
| 2131 | _rl_isearch_terminators = (char *)xmalloc (2 * strlen (v) + 1); |
| 2132 | rl_translate_keyseq (v + beg, _rl_isearch_terminators, &end); |
| 2133 | _rl_isearch_terminators[end] = '\0'; |
| 2134 | |
| 2135 | xfree (v); |
| 2136 | return 0; |
| 2137 | } |
| 2138 | |
| 2139 | extern char *_rl_emacs_mode_str; |
| 2140 | |
| 2141 | static int |
| 2142 | sv_emacs_modestr (const char *value) |
| 2143 | { |
| 2144 | if (value && *value) |
| 2145 | { |
| 2146 | FREE (_rl_emacs_mode_str); |
| 2147 | _rl_emacs_mode_str = (char *)xmalloc (2 * strlen (value) + 1); |
| 2148 | rl_translate_keyseq (value, _rl_emacs_mode_str, &_rl_emacs_modestr_len); |
| 2149 | _rl_emacs_mode_str[_rl_emacs_modestr_len] = '\0'; |
| 2150 | return 0; |
| 2151 | } |
| 2152 | else if (value) |
| 2153 | { |
| 2154 | FREE (_rl_emacs_mode_str); |
| 2155 | _rl_emacs_mode_str = (char *)xmalloc (1); |
| 2156 | _rl_emacs_mode_str[_rl_emacs_modestr_len = 0] = '\0'; |
| 2157 | return 0; |
| 2158 | } |
| 2159 | else if (value == 0) |
| 2160 | { |
| 2161 | FREE (_rl_emacs_mode_str); |
| 2162 | _rl_emacs_mode_str = 0; /* prompt_modestr does the right thing */ |
| 2163 | _rl_emacs_modestr_len = 0; |
| 2164 | return 0; |
| 2165 | } |
| 2166 | return 1; |
| 2167 | } |
| 2168 | |
| 2169 | static int |
| 2170 | sv_viins_modestr (const char *value) |
| 2171 | { |
| 2172 | if (value && *value) |
| 2173 | { |
| 2174 | FREE (_rl_vi_ins_mode_str); |
| 2175 | _rl_vi_ins_mode_str = (char *)xmalloc (2 * strlen (value) + 1); |
| 2176 | rl_translate_keyseq (value, _rl_vi_ins_mode_str, &_rl_vi_ins_modestr_len); |
| 2177 | _rl_vi_ins_mode_str[_rl_vi_ins_modestr_len] = '\0'; |
| 2178 | return 0; |
| 2179 | } |
| 2180 | else if (value) |
| 2181 | { |
| 2182 | FREE (_rl_vi_ins_mode_str); |
| 2183 | _rl_vi_ins_mode_str = (char *)xmalloc (1); |
| 2184 | _rl_vi_ins_mode_str[_rl_vi_ins_modestr_len = 0] = '\0'; |
| 2185 | return 0; |
| 2186 | } |
| 2187 | else if (value == 0) |
| 2188 | { |
| 2189 | FREE (_rl_vi_ins_mode_str); |
| 2190 | _rl_vi_ins_mode_str = 0; /* prompt_modestr does the right thing */ |
| 2191 | _rl_vi_ins_modestr_len = 0; |
| 2192 | return 0; |
| 2193 | } |
| 2194 | return 1; |
| 2195 | } |
| 2196 | |
| 2197 | static int |
| 2198 | sv_vicmd_modestr (const char *value) |
| 2199 | { |
| 2200 | if (value && *value) |
| 2201 | { |
| 2202 | FREE (_rl_vi_cmd_mode_str); |
| 2203 | _rl_vi_cmd_mode_str = (char *)xmalloc (2 * strlen (value) + 1); |
| 2204 | rl_translate_keyseq (value, _rl_vi_cmd_mode_str, &_rl_vi_cmd_modestr_len); |
| 2205 | _rl_vi_cmd_mode_str[_rl_vi_cmd_modestr_len] = '\0'; |
| 2206 | return 0; |
| 2207 | } |
| 2208 | else if (value) |
| 2209 | { |
| 2210 | FREE (_rl_vi_cmd_mode_str); |
| 2211 | _rl_vi_cmd_mode_str = (char *)xmalloc (1); |
| 2212 | _rl_vi_cmd_mode_str[_rl_vi_cmd_modestr_len = 0] = '\0'; |
| 2213 | return 0; |
| 2214 | } |
| 2215 | else if (value == 0) |
| 2216 | { |
| 2217 | FREE (_rl_vi_cmd_mode_str); |
| 2218 | _rl_vi_cmd_mode_str = 0; /* prompt_modestr does the right thing */ |
| 2219 | _rl_vi_cmd_modestr_len = 0; |
| 2220 | return 0; |
| 2221 | } |
| 2222 | return 1; |
| 2223 | } |
| 2224 | |
| 2225 | /* Return the character which matches NAME. |
| 2226 | For example, `Space' returns ' '. */ |
| 2227 | |
| 2228 | typedef struct { |
| 2229 | const char * const name; |
| 2230 | int value; |
| 2231 | } assoc_list; |
| 2232 | |
| 2233 | static const assoc_list name_key_alist[] = { |
| 2234 | { "DEL", 0x7f }, |
| 2235 | { "ESC", '\033' }, |
| 2236 | { "Escape", '\033' }, |
| 2237 | { "LFD", '\n' }, |
| 2238 | { "Newline", '\n' }, |
| 2239 | { "RET", '\r' }, |
| 2240 | { "Return", '\r' }, |
| 2241 | { "Rubout", 0x7f }, |
| 2242 | { "SPC", ' ' }, |
| 2243 | { "Space", ' ' }, |
| 2244 | { "Tab", 0x09 }, |
| 2245 | { (char *)0x0, 0 } |
| 2246 | }; |
| 2247 | |
| 2248 | static int |
| 2249 | glean_key_from_name (char *name) |
| 2250 | { |
| 2251 | register int i; |
| 2252 | |
| 2253 | for (i = 0; name_key_alist[i].name; i++) |
| 2254 | if (_rl_stricmp (name, name_key_alist[i].name) == 0) |
| 2255 | return (name_key_alist[i].value); |
| 2256 | |
| 2257 | return (*(unsigned char *)name); /* XXX was return (*name) */ |
| 2258 | } |
| 2259 | |
| 2260 | /* Auxiliary functions to manage keymaps. */ |
| 2261 | struct name_and_keymap { |
| 2262 | char *name; |
| 2263 | Keymap map; |
| 2264 | }; |
| 2265 | |
| 2266 | static struct name_and_keymap builtin_keymap_names[] = { |
| 2267 | { "emacs", emacs_standard_keymap }, |
| 2268 | { "emacs-standard", emacs_standard_keymap }, |
| 2269 | { "emacs-meta", emacs_meta_keymap }, |
| 2270 | { "emacs-ctlx", emacs_ctlx_keymap }, |
| 2271 | #if defined (VI_MODE) |
| 2272 | { "vi", vi_movement_keymap }, |
| 2273 | { "vi-move", vi_movement_keymap }, |
| 2274 | { "vi-command", vi_movement_keymap }, |
| 2275 | { "vi-insert", vi_insertion_keymap }, |
| 2276 | #endif /* VI_MODE */ |
| 2277 | { (char *)0x0, (Keymap)0x0 } |
| 2278 | }; |
| 2279 | |
| 2280 | /* -1 for NULL entry */ |
| 2281 | #define NUM_BUILTIN_KEYMAPS (sizeof (builtin_keymap_names) / sizeof (builtin_keymap_names[0]) - 1) |
| 2282 | |
| 2283 | static struct name_and_keymap *keymap_names = builtin_keymap_names; |
| 2284 | |
| 2285 | static int |
| 2286 | _rl_get_keymap_by_name (const char *name) |
| 2287 | { |
| 2288 | register int i; |
| 2289 | |
| 2290 | for (i = 0; keymap_names[i].name; i++) |
| 2291 | if (_rl_stricmp (name, keymap_names[i].name) == 0) |
| 2292 | return (i); |
| 2293 | return -1; |
| 2294 | } |
| 2295 | |
| 2296 | Keymap |
| 2297 | rl_get_keymap_by_name (const char *name) |
| 2298 | { |
| 2299 | int i; |
| 2300 | |
| 2301 | i = _rl_get_keymap_by_name (name); |
| 2302 | return ((i >= 0) ? keymap_names[i].map : (Keymap) NULL); |
| 2303 | } |
| 2304 | |
| 2305 | static int |
| 2306 | _rl_get_keymap_by_map (Keymap map) |
| 2307 | { |
| 2308 | register int i; |
| 2309 | |
| 2310 | for (i = 0; keymap_names[i].name; i++) |
| 2311 | if (map == keymap_names[i].map) |
| 2312 | return (i); |
| 2313 | return -1; |
| 2314 | } |
| 2315 | |
| 2316 | char * |
| 2317 | rl_get_keymap_name (Keymap map) |
| 2318 | { |
| 2319 | int i; |
| 2320 | |
| 2321 | i = _rl_get_keymap_by_map (map); |
| 2322 | return ((i >= 0) ? keymap_names[i].name : (char *)NULL); |
| 2323 | } |
| 2324 | |
| 2325 | int |
| 2326 | rl_set_keymap_name (const char *name, Keymap map) |
| 2327 | { |
| 2328 | int i, ni, mi; |
| 2329 | |
| 2330 | /* First check whether or not we're trying to rename a builtin keymap */ |
| 2331 | mi = _rl_get_keymap_by_map (map); |
| 2332 | if (mi >= 0 && mi < NUM_BUILTIN_KEYMAPS) |
| 2333 | return -1; |
| 2334 | |
| 2335 | /* Then reject attempts to set one of the builtin names to a new map */ |
| 2336 | ni = _rl_get_keymap_by_name (name); |
| 2337 | if (ni >= 0 && ni < NUM_BUILTIN_KEYMAPS) |
| 2338 | return -1; |
| 2339 | |
| 2340 | /* Renaming a keymap we already added */ |
| 2341 | if (mi >= 0) /* XXX - could be >= NUM_BUILTIN_KEYMAPS */ |
| 2342 | { |
| 2343 | xfree (keymap_names[mi].name); |
| 2344 | keymap_names[mi].name = savestring (name); |
| 2345 | return mi; |
| 2346 | } |
| 2347 | |
| 2348 | /* Associating new keymap with existing name */ |
| 2349 | if (ni >= 0) |
| 2350 | { |
| 2351 | keymap_names[ni].map = map; |
| 2352 | return ni; |
| 2353 | } |
| 2354 | |
| 2355 | for (i = 0; keymap_names[i].name; i++) |
| 2356 | ; |
| 2357 | |
| 2358 | if (keymap_names == builtin_keymap_names) |
| 2359 | { |
| 2360 | keymap_names = xmalloc ((i + 2) * sizeof (struct name_and_keymap)); |
| 2361 | memcpy (keymap_names, builtin_keymap_names, i * sizeof (struct name_and_keymap)); |
| 2362 | } |
| 2363 | else |
| 2364 | keymap_names = xrealloc (keymap_names, (i + 2) * sizeof (struct name_and_keymap)); |
| 2365 | |
| 2366 | keymap_names[i].name = savestring (name); |
| 2367 | keymap_names[i].map = map; |
| 2368 | |
| 2369 | keymap_names[i+1].name = NULL; |
| 2370 | keymap_names[i+1].map = NULL; |
| 2371 | |
| 2372 | return i; |
| 2373 | } |
| 2374 | |
| 2375 | void |
| 2376 | rl_set_keymap (Keymap map) |
| 2377 | { |
| 2378 | if (map) |
| 2379 | _rl_keymap = map; |
| 2380 | } |
| 2381 | |
| 2382 | Keymap |
| 2383 | rl_get_keymap (void) |
| 2384 | { |
| 2385 | return (_rl_keymap); |
| 2386 | } |
| 2387 | |
| 2388 | void |
| 2389 | rl_set_keymap_from_edit_mode (void) |
| 2390 | { |
| 2391 | if (rl_editing_mode == emacs_mode) |
| 2392 | _rl_keymap = emacs_standard_keymap; |
| 2393 | #if defined (VI_MODE) |
| 2394 | else if (rl_editing_mode == vi_mode) |
| 2395 | _rl_keymap = vi_insertion_keymap; |
| 2396 | #endif /* VI_MODE */ |
| 2397 | } |
| 2398 | |
| 2399 | char * |
| 2400 | rl_get_keymap_name_from_edit_mode (void) |
| 2401 | { |
| 2402 | if (rl_editing_mode == emacs_mode) |
| 2403 | return "emacs"; |
| 2404 | #if defined (VI_MODE) |
| 2405 | else if (rl_editing_mode == vi_mode) |
| 2406 | return "vi"; |
| 2407 | #endif /* VI_MODE */ |
| 2408 | else |
| 2409 | return "none"; |
| 2410 | } |
| 2411 | |
| 2412 | /* **************************************************************** */ |
| 2413 | /* */ |
| 2414 | /* Key Binding and Function Information */ |
| 2415 | /* */ |
| 2416 | /* **************************************************************** */ |
| 2417 | |
| 2418 | /* Each of the following functions produces information about the |
| 2419 | state of keybindings and functions known to Readline. The info |
| 2420 | is always printed to rl_outstream, and in such a way that it can |
| 2421 | be read back in (i.e., passed to rl_parse_and_bind ()). */ |
| 2422 | |
| 2423 | /* Print the names of functions known to Readline. */ |
| 2424 | void |
| 2425 | rl_list_funmap_names (void) |
| 2426 | { |
| 2427 | register int i; |
| 2428 | const char **funmap_names; |
| 2429 | |
| 2430 | funmap_names = rl_funmap_names (); |
| 2431 | |
| 2432 | if (!funmap_names) |
| 2433 | return; |
| 2434 | |
| 2435 | for (i = 0; funmap_names[i]; i++) |
| 2436 | fprintf (rl_outstream, "%s\n", funmap_names[i]); |
| 2437 | |
| 2438 | xfree (funmap_names); |
| 2439 | } |
| 2440 | |
| 2441 | static char * |
| 2442 | _rl_get_keyname (int key) |
| 2443 | { |
| 2444 | char *keyname; |
| 2445 | int i, c; |
| 2446 | |
| 2447 | keyname = (char *)xmalloc (8); |
| 2448 | |
| 2449 | c = key; |
| 2450 | /* Since this is going to be used to write out keysequence-function |
| 2451 | pairs for possible inclusion in an inputrc file, we don't want to |
| 2452 | do any special meta processing on KEY. */ |
| 2453 | |
| 2454 | #if 1 |
| 2455 | /* XXX - Experimental */ |
| 2456 | /* We might want to do this, but the old version of the code did not. */ |
| 2457 | |
| 2458 | /* If this is an escape character, we don't want to do any more processing. |
| 2459 | Just add the special ESC key sequence and return. */ |
| 2460 | if (c == ESC) |
| 2461 | { |
| 2462 | keyname[0] = '\\'; |
| 2463 | keyname[1] = 'e'; |
| 2464 | keyname[2] = '\0'; |
| 2465 | return keyname; |
| 2466 | } |
| 2467 | #endif |
| 2468 | |
| 2469 | /* RUBOUT is translated directly into \C-? */ |
| 2470 | if (key == RUBOUT) |
| 2471 | { |
| 2472 | keyname[0] = '\\'; |
| 2473 | keyname[1] = 'C'; |
| 2474 | keyname[2] = '-'; |
| 2475 | keyname[3] = '?'; |
| 2476 | keyname[4] = '\0'; |
| 2477 | return keyname; |
| 2478 | } |
| 2479 | |
| 2480 | i = 0; |
| 2481 | /* Now add special prefixes needed for control characters. This can |
| 2482 | potentially change C. */ |
| 2483 | if (CTRL_CHAR (c)) |
| 2484 | { |
| 2485 | keyname[i++] = '\\'; |
| 2486 | keyname[i++] = 'C'; |
| 2487 | keyname[i++] = '-'; |
| 2488 | c = _rl_to_lower (UNCTRL (c)); |
| 2489 | } |
| 2490 | |
| 2491 | /* XXX experimental code. Turn the characters that are not ASCII or |
| 2492 | ISO Latin 1 (128 - 159) into octal escape sequences (\200 - \237). |
| 2493 | This changes C. */ |
| 2494 | if (c >= 128 && c <= 159) |
| 2495 | { |
| 2496 | keyname[i++] = '\\'; |
| 2497 | keyname[i++] = '2'; |
| 2498 | c -= 128; |
| 2499 | keyname[i++] = (c / 8) + '0'; |
| 2500 | c = (c % 8) + '0'; |
| 2501 | } |
| 2502 | |
| 2503 | /* Now, if the character needs to be quoted with a backslash, do that. */ |
| 2504 | if (c == '\\' || c == '"') |
| 2505 | keyname[i++] = '\\'; |
| 2506 | |
| 2507 | /* Now add the key, terminate the string, and return it. */ |
| 2508 | keyname[i++] = (char) c; |
| 2509 | keyname[i] = '\0'; |
| 2510 | |
| 2511 | return keyname; |
| 2512 | } |
| 2513 | |
| 2514 | /* Return a NULL terminated array of strings which represent the key |
| 2515 | sequences that are used to invoke FUNCTION in MAP. */ |
| 2516 | char ** |
| 2517 | rl_invoking_keyseqs_in_map (rl_command_func_t *function, Keymap map) |
| 2518 | { |
| 2519 | register int key; |
| 2520 | char **result; |
| 2521 | int result_index, result_size; |
| 2522 | |
| 2523 | result = (char **)NULL; |
| 2524 | result_index = result_size = 0; |
| 2525 | |
| 2526 | for (key = 0; key < KEYMAP_SIZE; key++) |
| 2527 | { |
| 2528 | switch (map[key].type) |
| 2529 | { |
| 2530 | case ISMACR: |
| 2531 | /* Macros match, if, and only if, the pointers are identical. |
| 2532 | Thus, they are treated exactly like functions in here. */ |
| 2533 | case ISFUNC: |
| 2534 | /* If the function in the keymap is the one we are looking for, |
| 2535 | then add the current KEY to the list of invoking keys. */ |
| 2536 | if (map[key].function == function) |
| 2537 | { |
| 2538 | char *keyname; |
| 2539 | |
| 2540 | keyname = _rl_get_keyname (key); |
| 2541 | |
| 2542 | if (result_index + 2 > result_size) |
| 2543 | { |
| 2544 | result_size += 10; |
| 2545 | result = (char **)xrealloc (result, result_size * sizeof (char *)); |
| 2546 | } |
| 2547 | |
| 2548 | result[result_index++] = keyname; |
| 2549 | result[result_index] = (char *)NULL; |
| 2550 | } |
| 2551 | break; |
| 2552 | |
| 2553 | case ISKMAP: |
| 2554 | { |
| 2555 | char **seqs; |
| 2556 | register int i; |
| 2557 | |
| 2558 | /* Find the list of keyseqs in this map which have FUNCTION as |
| 2559 | their target. Add the key sequences found to RESULT. */ |
| 2560 | if (map[key].function) |
| 2561 | seqs = |
| 2562 | rl_invoking_keyseqs_in_map (function, FUNCTION_TO_KEYMAP (map, key)); |
| 2563 | else |
| 2564 | break; |
| 2565 | |
| 2566 | if (seqs == 0) |
| 2567 | break; |
| 2568 | |
| 2569 | for (i = 0; seqs[i]; i++) |
| 2570 | { |
| 2571 | char *keyname = (char *)xmalloc (6 + strlen (seqs[i])); |
| 2572 | |
| 2573 | if (key == ESC) |
| 2574 | { |
| 2575 | /* If ESC is the meta prefix and we're converting chars |
| 2576 | with the eighth bit set to ESC-prefixed sequences, then |
| 2577 | we can use \M-. Otherwise we need to use the sequence |
| 2578 | for ESC. */ |
| 2579 | if (_rl_convert_meta_chars_to_ascii && map[ESC].type == ISKMAP) |
| 2580 | sprintf (keyname, "\\M-"); |
| 2581 | else |
| 2582 | sprintf (keyname, "\\e"); |
| 2583 | } |
| 2584 | else if (CTRL_CHAR (key)) |
| 2585 | sprintf (keyname, "\\C-%c", _rl_to_lower (UNCTRL (key))); |
| 2586 | else if (key == RUBOUT) |
| 2587 | sprintf (keyname, "\\C-?"); |
| 2588 | else if (key == '\\' || key == '"') |
| 2589 | { |
| 2590 | keyname[0] = '\\'; |
| 2591 | keyname[1] = (char) key; |
| 2592 | keyname[2] = '\0'; |
| 2593 | } |
| 2594 | else |
| 2595 | { |
| 2596 | keyname[0] = (char) key; |
| 2597 | keyname[1] = '\0'; |
| 2598 | } |
| 2599 | |
| 2600 | strcat (keyname, seqs[i]); |
| 2601 | xfree (seqs[i]); |
| 2602 | |
| 2603 | if (result_index + 2 > result_size) |
| 2604 | { |
| 2605 | result_size += 10; |
| 2606 | result = (char **)xrealloc (result, result_size * sizeof (char *)); |
| 2607 | } |
| 2608 | |
| 2609 | result[result_index++] = keyname; |
| 2610 | result[result_index] = (char *)NULL; |
| 2611 | } |
| 2612 | |
| 2613 | xfree (seqs); |
| 2614 | } |
| 2615 | break; |
| 2616 | } |
| 2617 | } |
| 2618 | return (result); |
| 2619 | } |
| 2620 | |
| 2621 | /* Return a NULL terminated array of strings which represent the key |
| 2622 | sequences that can be used to invoke FUNCTION using the current keymap. */ |
| 2623 | char ** |
| 2624 | rl_invoking_keyseqs (rl_command_func_t *function) |
| 2625 | { |
| 2626 | return (rl_invoking_keyseqs_in_map (function, _rl_keymap)); |
| 2627 | } |
| 2628 | |
| 2629 | /* Print all of the functions and their bindings to rl_outstream. If |
| 2630 | PRINT_READABLY is non-zero, then print the output in such a way |
| 2631 | that it can be read back in. */ |
| 2632 | void |
| 2633 | rl_function_dumper (int print_readably) |
| 2634 | { |
| 2635 | register int i; |
| 2636 | const char **names; |
| 2637 | const char *name; |
| 2638 | |
| 2639 | names = rl_funmap_names (); |
| 2640 | |
| 2641 | fprintf (rl_outstream, "\n"); |
| 2642 | |
| 2643 | for (i = 0; name = names[i]; i++) |
| 2644 | { |
| 2645 | rl_command_func_t *function; |
| 2646 | char **invokers; |
| 2647 | |
| 2648 | function = rl_named_function (name); |
| 2649 | invokers = rl_invoking_keyseqs_in_map (function, _rl_keymap); |
| 2650 | |
| 2651 | if (print_readably) |
| 2652 | { |
| 2653 | if (!invokers) |
| 2654 | fprintf (rl_outstream, "# %s (not bound)\n", name); |
| 2655 | else |
| 2656 | { |
| 2657 | register int j; |
| 2658 | |
| 2659 | for (j = 0; invokers[j]; j++) |
| 2660 | { |
| 2661 | fprintf (rl_outstream, "\"%s\": %s\n", |
| 2662 | invokers[j], name); |
| 2663 | xfree (invokers[j]); |
| 2664 | } |
| 2665 | |
| 2666 | xfree (invokers); |
| 2667 | } |
| 2668 | } |
| 2669 | else |
| 2670 | { |
| 2671 | if (!invokers) |
| 2672 | fprintf (rl_outstream, "%s is not bound to any keys\n", |
| 2673 | name); |
| 2674 | else |
| 2675 | { |
| 2676 | register int j; |
| 2677 | |
| 2678 | fprintf (rl_outstream, "%s can be found on ", name); |
| 2679 | |
| 2680 | for (j = 0; invokers[j] && j < 5; j++) |
| 2681 | { |
| 2682 | fprintf (rl_outstream, "\"%s\"%s", invokers[j], |
| 2683 | invokers[j + 1] ? ", " : ".\n"); |
| 2684 | } |
| 2685 | |
| 2686 | if (j == 5 && invokers[j]) |
| 2687 | fprintf (rl_outstream, "...\n"); |
| 2688 | |
| 2689 | for (j = 0; invokers[j]; j++) |
| 2690 | xfree (invokers[j]); |
| 2691 | |
| 2692 | xfree (invokers); |
| 2693 | } |
| 2694 | } |
| 2695 | } |
| 2696 | |
| 2697 | xfree (names); |
| 2698 | } |
| 2699 | |
| 2700 | /* Print all of the current functions and their bindings to |
| 2701 | rl_outstream. If an explicit argument is given, then print |
| 2702 | the output in such a way that it can be read back in. */ |
| 2703 | int |
| 2704 | rl_dump_functions (int count, int key) |
| 2705 | { |
| 2706 | if (rl_dispatching) |
| 2707 | fprintf (rl_outstream, "\r\n"); |
| 2708 | rl_function_dumper (rl_explicit_arg); |
| 2709 | rl_on_new_line (); |
| 2710 | return (0); |
| 2711 | } |
| 2712 | |
| 2713 | static void |
| 2714 | _rl_macro_dumper_internal (int print_readably, Keymap map, char *prefix) |
| 2715 | { |
| 2716 | register int key; |
| 2717 | char *keyname, *out; |
| 2718 | int prefix_len; |
| 2719 | |
| 2720 | for (key = 0; key < KEYMAP_SIZE; key++) |
| 2721 | { |
| 2722 | switch (map[key].type) |
| 2723 | { |
| 2724 | case ISMACR: |
| 2725 | keyname = _rl_get_keyname (key); |
| 2726 | out = _rl_untranslate_macro_value ((char *)map[key].function, 0); |
| 2727 | |
| 2728 | if (print_readably) |
| 2729 | fprintf (rl_outstream, "\"%s%s\": \"%s\"\n", prefix ? prefix : "", |
| 2730 | keyname, |
| 2731 | out ? out : ""); |
| 2732 | else |
| 2733 | fprintf (rl_outstream, "%s%s outputs %s\n", prefix ? prefix : "", |
| 2734 | keyname, |
| 2735 | out ? out : ""); |
| 2736 | xfree (keyname); |
| 2737 | xfree (out); |
| 2738 | break; |
| 2739 | case ISFUNC: |
| 2740 | break; |
| 2741 | case ISKMAP: |
| 2742 | prefix_len = prefix ? strlen (prefix) : 0; |
| 2743 | if (key == ESC) |
| 2744 | { |
| 2745 | keyname = (char *)xmalloc (3 + prefix_len); |
| 2746 | if (prefix) |
| 2747 | strcpy (keyname, prefix); |
| 2748 | keyname[prefix_len] = '\\'; |
| 2749 | keyname[prefix_len + 1] = 'e'; |
| 2750 | keyname[prefix_len + 2] = '\0'; |
| 2751 | } |
| 2752 | else |
| 2753 | { |
| 2754 | keyname = _rl_get_keyname (key); |
| 2755 | if (prefix) |
| 2756 | { |
| 2757 | out = (char *)xmalloc (strlen (keyname) + prefix_len + 1); |
| 2758 | strcpy (out, prefix); |
| 2759 | strcpy (out + prefix_len, keyname); |
| 2760 | xfree (keyname); |
| 2761 | keyname = out; |
| 2762 | } |
| 2763 | } |
| 2764 | |
| 2765 | _rl_macro_dumper_internal (print_readably, FUNCTION_TO_KEYMAP (map, key), keyname); |
| 2766 | xfree (keyname); |
| 2767 | break; |
| 2768 | } |
| 2769 | } |
| 2770 | } |
| 2771 | |
| 2772 | void |
| 2773 | rl_macro_dumper (int print_readably) |
| 2774 | { |
| 2775 | _rl_macro_dumper_internal (print_readably, _rl_keymap, (char *)NULL); |
| 2776 | } |
| 2777 | |
| 2778 | int |
| 2779 | rl_dump_macros (int count, int key) |
| 2780 | { |
| 2781 | if (rl_dispatching) |
| 2782 | fprintf (rl_outstream, "\r\n"); |
| 2783 | rl_macro_dumper (rl_explicit_arg); |
| 2784 | rl_on_new_line (); |
| 2785 | return (0); |
| 2786 | } |
| 2787 | |
| 2788 | static char * |
| 2789 | _rl_get_string_variable_value (const char *name) |
| 2790 | { |
| 2791 | static char numbuf[32]; |
| 2792 | char *ret; |
| 2793 | |
| 2794 | if (_rl_stricmp (name, "bell-style") == 0) |
| 2795 | { |
| 2796 | switch (_rl_bell_preference) |
| 2797 | { |
| 2798 | case NO_BELL: |
| 2799 | return "none"; |
| 2800 | case VISIBLE_BELL: |
| 2801 | return "visible"; |
| 2802 | case AUDIBLE_BELL: |
| 2803 | default: |
| 2804 | return "audible"; |
| 2805 | } |
| 2806 | } |
| 2807 | else if (_rl_stricmp (name, "comment-begin") == 0) |
| 2808 | return (_rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT); |
| 2809 | else if (_rl_stricmp (name, "completion-display-width") == 0) |
| 2810 | { |
| 2811 | sprintf (numbuf, "%d", _rl_completion_columns); |
| 2812 | return (numbuf); |
| 2813 | } |
| 2814 | else if (_rl_stricmp (name, "completion-prefix-display-length") == 0) |
| 2815 | { |
| 2816 | sprintf (numbuf, "%d", _rl_completion_prefix_display_length); |
| 2817 | return (numbuf); |
| 2818 | } |
| 2819 | else if (_rl_stricmp (name, "completion-query-items") == 0) |
| 2820 | { |
| 2821 | sprintf (numbuf, "%d", rl_completion_query_items); |
| 2822 | return (numbuf); |
| 2823 | } |
| 2824 | else if (_rl_stricmp (name, "editing-mode") == 0) |
| 2825 | return (rl_get_keymap_name_from_edit_mode ()); |
| 2826 | else if (_rl_stricmp (name, "history-size") == 0) |
| 2827 | { |
| 2828 | sprintf (numbuf, "%d", history_is_stifled() ? history_max_entries : 0); |
| 2829 | return (numbuf); |
| 2830 | } |
| 2831 | else if (_rl_stricmp (name, "isearch-terminators") == 0) |
| 2832 | { |
| 2833 | if (_rl_isearch_terminators == 0) |
| 2834 | return 0; |
| 2835 | ret = _rl_untranslate_macro_value (_rl_isearch_terminators, 0); |
| 2836 | if (ret) |
| 2837 | { |
| 2838 | strncpy (numbuf, ret, sizeof (numbuf) - 1); |
| 2839 | xfree (ret); |
| 2840 | numbuf[sizeof(numbuf) - 1] = '\0'; |
| 2841 | } |
| 2842 | else |
| 2843 | numbuf[0] = '\0'; |
| 2844 | return numbuf; |
| 2845 | } |
| 2846 | else if (_rl_stricmp (name, "keymap") == 0) |
| 2847 | { |
| 2848 | ret = rl_get_keymap_name (_rl_keymap); |
| 2849 | if (ret == 0) |
| 2850 | ret = rl_get_keymap_name_from_edit_mode (); |
| 2851 | return (ret ? ret : "none"); |
| 2852 | } |
| 2853 | else if (_rl_stricmp (name, "keyseq-timeout") == 0) |
| 2854 | { |
| 2855 | sprintf (numbuf, "%d", _rl_keyseq_timeout); |
| 2856 | return (numbuf); |
| 2857 | } |
| 2858 | else if (_rl_stricmp (name, "emacs-mode-string") == 0) |
| 2859 | return (_rl_emacs_mode_str ? _rl_emacs_mode_str : RL_EMACS_MODESTR_DEFAULT); |
| 2860 | else if (_rl_stricmp (name, "vi-cmd-mode-string") == 0) |
| 2861 | return (_rl_vi_cmd_mode_str ? _rl_vi_cmd_mode_str : RL_VI_CMD_MODESTR_DEFAULT); |
| 2862 | else if (_rl_stricmp (name, "vi-ins-mode-string") == 0) |
| 2863 | return (_rl_vi_ins_mode_str ? _rl_vi_ins_mode_str : RL_VI_INS_MODESTR_DEFAULT); |
| 2864 | else |
| 2865 | return (0); |
| 2866 | } |
| 2867 | |
| 2868 | void |
| 2869 | rl_variable_dumper (int print_readably) |
| 2870 | { |
| 2871 | int i; |
| 2872 | char *v; |
| 2873 | |
| 2874 | for (i = 0; boolean_varlist[i].name; i++) |
| 2875 | { |
| 2876 | if (print_readably) |
| 2877 | fprintf (rl_outstream, "set %s %s\n", boolean_varlist[i].name, |
| 2878 | *boolean_varlist[i].value ? "on" : "off"); |
| 2879 | else |
| 2880 | fprintf (rl_outstream, "%s is set to `%s'\n", boolean_varlist[i].name, |
| 2881 | *boolean_varlist[i].value ? "on" : "off"); |
| 2882 | } |
| 2883 | |
| 2884 | for (i = 0; string_varlist[i].name; i++) |
| 2885 | { |
| 2886 | v = _rl_get_string_variable_value (string_varlist[i].name); |
| 2887 | if (v == 0) /* _rl_isearch_terminators can be NULL */ |
| 2888 | continue; |
| 2889 | if (print_readably) |
| 2890 | fprintf (rl_outstream, "set %s %s\n", string_varlist[i].name, v); |
| 2891 | else |
| 2892 | fprintf (rl_outstream, "%s is set to `%s'\n", string_varlist[i].name, v); |
| 2893 | } |
| 2894 | } |
| 2895 | |
| 2896 | /* Print all of the current variables and their values to |
| 2897 | rl_outstream. If an explicit argument is given, then print |
| 2898 | the output in such a way that it can be read back in. */ |
| 2899 | int |
| 2900 | rl_dump_variables (int count, int key) |
| 2901 | { |
| 2902 | if (rl_dispatching) |
| 2903 | fprintf (rl_outstream, "\r\n"); |
| 2904 | rl_variable_dumper (rl_explicit_arg); |
| 2905 | rl_on_new_line (); |
| 2906 | return (0); |
| 2907 | } |
| 2908 | |
| 2909 | /* Return non-zero if any members of ARRAY are a substring in STRING. */ |
| 2910 | static int |
| 2911 | substring_member_of_array (const char *string, const char * const *array) |
| 2912 | { |
| 2913 | while (*array) |
| 2914 | { |
| 2915 | if (_rl_strindex (string, *array)) |
| 2916 | return (1); |
| 2917 | array++; |
| 2918 | } |
| 2919 | return (0); |
| 2920 | } |