| 1 | /* bind.c -- key binding and startup file support for the readline library. */ |
| 2 | |
| 3 | /* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of the GNU Readline Library, a library for |
| 6 | reading lines of text with interactive input and history editing. |
| 7 | |
| 8 | The GNU Readline Library is free software; you can redistribute it |
| 9 | and/or modify it under the terms of the GNU General Public License |
| 10 | as published by the Free Software Foundation; either version 1, or |
| 11 | (at your option) any later version. |
| 12 | |
| 13 | The GNU Readline Library is distributed in the hope that it will be |
| 14 | useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
| 15 | of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | GNU General Public License for more details. |
| 17 | |
| 18 | The GNU General Public License is often shipped with GNU software, and |
| 19 | is generally kept in a file called COPYING or LICENSE. If you do not |
| 20 | have a copy of the license, write to the Free Software Foundation, |
| 21 | 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 22 | #define READLINE_LIBRARY |
| 23 | |
| 24 | #if defined (HAVE_CONFIG_H) |
| 25 | # include <config.h> |
| 26 | #endif |
| 27 | |
| 28 | #include <stdio.h> |
| 29 | #include <sys/types.h> |
| 30 | #include <fcntl.h> |
| 31 | #if defined (HAVE_SYS_FILE_H) |
| 32 | # include <sys/file.h> |
| 33 | #endif /* HAVE_SYS_FILE_H */ |
| 34 | |
| 35 | #if defined (HAVE_UNISTD_H) |
| 36 | # include <unistd.h> |
| 37 | #endif /* HAVE_UNISTD_H */ |
| 38 | |
| 39 | #if defined (HAVE_STDLIB_H) |
| 40 | # include <stdlib.h> |
| 41 | #else |
| 42 | # include "ansi_stdlib.h" |
| 43 | #endif /* HAVE_STDLIB_H */ |
| 44 | |
| 45 | #include <signal.h> |
| 46 | #include <errno.h> |
| 47 | |
| 48 | #if !defined (errno) |
| 49 | extern int errno; |
| 50 | #endif /* !errno */ |
| 51 | |
| 52 | #include "posixstat.h" |
| 53 | |
| 54 | /* System-specific feature definitions and include files. */ |
| 55 | #include "rldefs.h" |
| 56 | |
| 57 | /* Some standard library routines. */ |
| 58 | #include "readline.h" |
| 59 | #include "history.h" |
| 60 | |
| 61 | #if !defined (strchr) && !defined (__STDC__) |
| 62 | extern char *strchr (), *strrchr (); |
| 63 | #endif /* !strchr && !__STDC__ */ |
| 64 | |
| 65 | extern int _rl_horizontal_scroll_mode; |
| 66 | extern int _rl_mark_modified_lines; |
| 67 | extern int _rl_bell_preference; |
| 68 | extern int _rl_meta_flag; |
| 69 | extern int _rl_convert_meta_chars_to_ascii; |
| 70 | extern int _rl_output_meta_chars; |
| 71 | extern int _rl_complete_show_all; |
| 72 | extern int _rl_complete_mark_directories; |
| 73 | extern int _rl_print_completions_horizontally; |
| 74 | extern int _rl_completion_case_fold; |
| 75 | extern int _rl_enable_keypad; |
| 76 | #if defined (PAREN_MATCHING) |
| 77 | extern int rl_blink_matching_paren; |
| 78 | #endif /* PAREN_MATCHING */ |
| 79 | #if defined (VISIBLE_STATS) |
| 80 | extern int rl_visible_stats; |
| 81 | #endif /* VISIBLE_STATS */ |
| 82 | extern int rl_complete_with_tilde_expansion; |
| 83 | extern int rl_completion_query_items; |
| 84 | extern int rl_inhibit_completion; |
| 85 | extern char *_rl_comment_begin; |
| 86 | |
| 87 | extern int rl_explicit_arg; |
| 88 | extern int rl_editing_mode; |
| 89 | extern unsigned char _rl_parsing_conditionalized_out; |
| 90 | extern Keymap _rl_keymap; |
| 91 | |
| 92 | extern char *possible_control_prefixes[], *possible_meta_prefixes[]; |
| 93 | |
| 94 | /* Functions imported from funmap.c */ |
| 95 | extern char **rl_funmap_names (); |
| 96 | extern int rl_add_funmap_entry (); |
| 97 | |
| 98 | /* Functions imported from util.c */ |
| 99 | extern char *_rl_strindex (); |
| 100 | |
| 101 | /* Functions imported from shell.c */ |
| 102 | extern char *get_env_value (); |
| 103 | |
| 104 | /* Variables exported by this file. */ |
| 105 | Keymap rl_binding_keymap; |
| 106 | |
| 107 | /* Forward declarations */ |
| 108 | void rl_set_keymap_from_edit_mode (); |
| 109 | |
| 110 | static int _rl_read_init_file (); |
| 111 | static int glean_key_from_name (); |
| 112 | static int substring_member_of_array (); |
| 113 | |
| 114 | extern char *xmalloc (), *xrealloc (); |
| 115 | |
| 116 | /* **************************************************************** */ |
| 117 | /* */ |
| 118 | /* Binding keys */ |
| 119 | /* */ |
| 120 | /* **************************************************************** */ |
| 121 | |
| 122 | /* rl_add_defun (char *name, Function *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 (name, function, key) |
| 127 | char *name; |
| 128 | Function *function; |
| 129 | int key; |
| 130 | { |
| 131 | if (key != -1) |
| 132 | rl_bind_key (key, function); |
| 133 | rl_add_funmap_entry (name, function); |
| 134 | return 0; |
| 135 | } |
| 136 | |
| 137 | /* Bind KEY to FUNCTION. Returns non-zero if KEY is out of range. */ |
| 138 | int |
| 139 | rl_bind_key (key, function) |
| 140 | int key; |
| 141 | Function *function; |
| 142 | { |
| 143 | if (key < 0) |
| 144 | return (key); |
| 145 | |
| 146 | if (META_CHAR (key) && _rl_convert_meta_chars_to_ascii) |
| 147 | { |
| 148 | if (_rl_keymap[ESC].type == ISKMAP) |
| 149 | { |
| 150 | Keymap escmap; |
| 151 | |
| 152 | escmap = FUNCTION_TO_KEYMAP (_rl_keymap, ESC); |
| 153 | key = UNMETA (key); |
| 154 | escmap[key].type = ISFUNC; |
| 155 | escmap[key].function = function; |
| 156 | return (0); |
| 157 | } |
| 158 | return (key); |
| 159 | } |
| 160 | |
| 161 | _rl_keymap[key].type = ISFUNC; |
| 162 | _rl_keymap[key].function = function; |
| 163 | rl_binding_keymap = _rl_keymap; |
| 164 | return (0); |
| 165 | } |
| 166 | |
| 167 | /* Bind KEY to FUNCTION in MAP. Returns non-zero in case of invalid |
| 168 | KEY. */ |
| 169 | int |
| 170 | rl_bind_key_in_map (key, function, map) |
| 171 | int key; |
| 172 | Function *function; |
| 173 | Keymap map; |
| 174 | { |
| 175 | int result; |
| 176 | Keymap oldmap; |
| 177 | |
| 178 | oldmap = _rl_keymap; |
| 179 | _rl_keymap = map; |
| 180 | result = rl_bind_key (key, function); |
| 181 | _rl_keymap = oldmap; |
| 182 | return (result); |
| 183 | } |
| 184 | |
| 185 | /* Make KEY do nothing in the currently selected keymap. |
| 186 | Returns non-zero in case of error. */ |
| 187 | int |
| 188 | rl_unbind_key (key) |
| 189 | int key; |
| 190 | { |
| 191 | return (rl_bind_key (key, (Function *)NULL)); |
| 192 | } |
| 193 | |
| 194 | /* Make KEY do nothing in MAP. |
| 195 | Returns non-zero in case of error. */ |
| 196 | int |
| 197 | rl_unbind_key_in_map (key, map) |
| 198 | int key; |
| 199 | Keymap map; |
| 200 | { |
| 201 | return (rl_bind_key_in_map (key, (Function *)NULL, map)); |
| 202 | } |
| 203 | |
| 204 | /* Unbind all keys bound to FUNCTION in MAP. */ |
| 205 | int |
| 206 | rl_unbind_function_in_map (func, map) |
| 207 | Function *func; |
| 208 | Keymap map; |
| 209 | { |
| 210 | register int i; |
| 211 | |
| 212 | for (i = 0; i < KEYMAP_SIZE; i++) |
| 213 | { |
| 214 | if (map[i].type == ISFUNC && map[i].function == func) |
| 215 | map[i].function = (Function *)NULL; |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | int |
| 220 | rl_unbind_command_in_map (command, map) |
| 221 | char *command; |
| 222 | Keymap map; |
| 223 | { |
| 224 | Function *func; |
| 225 | register int i; |
| 226 | |
| 227 | func = rl_named_function (command); |
| 228 | if (func == 0) |
| 229 | return 0; |
| 230 | return (rl_unbind_function_in_map (func, map)); |
| 231 | } |
| 232 | |
| 233 | /* Bind the key sequence represented by the string KEYSEQ to |
| 234 | FUNCTION. This makes new keymaps as necessary. The initial |
| 235 | place to do bindings is in MAP. */ |
| 236 | int |
| 237 | rl_set_key (keyseq, function, map) |
| 238 | char *keyseq; |
| 239 | Function *function; |
| 240 | Keymap map; |
| 241 | { |
| 242 | return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map)); |
| 243 | } |
| 244 | |
| 245 | /* Bind the key sequence represented by the string KEYSEQ to |
| 246 | the string of characters MACRO. This makes new keymaps as |
| 247 | necessary. The initial place to do bindings is in MAP. */ |
| 248 | int |
| 249 | rl_macro_bind (keyseq, macro, map) |
| 250 | char *keyseq, *macro; |
| 251 | Keymap map; |
| 252 | { |
| 253 | char *macro_keys; |
| 254 | int macro_keys_len; |
| 255 | |
| 256 | macro_keys = (char *)xmalloc ((2 * strlen (macro)) + 1); |
| 257 | |
| 258 | if (rl_translate_keyseq (macro, macro_keys, ¯o_keys_len)) |
| 259 | { |
| 260 | free (macro_keys); |
| 261 | return -1; |
| 262 | } |
| 263 | rl_generic_bind (ISMACR, keyseq, macro_keys, map); |
| 264 | return 0; |
| 265 | } |
| 266 | |
| 267 | /* Bind the key sequence represented by the string KEYSEQ to |
| 268 | the arbitrary pointer DATA. TYPE says what kind of data is |
| 269 | pointed to by DATA, right now this can be a function (ISFUNC), |
| 270 | a macro (ISMACR), or a keymap (ISKMAP). This makes new keymaps |
| 271 | as necessary. The initial place to do bindings is in MAP. */ |
| 272 | int |
| 273 | rl_generic_bind (type, keyseq, data, map) |
| 274 | int type; |
| 275 | char *keyseq, *data; |
| 276 | Keymap map; |
| 277 | { |
| 278 | char *keys; |
| 279 | int keys_len; |
| 280 | register int i; |
| 281 | |
| 282 | /* If no keys to bind to, exit right away. */ |
| 283 | if (!keyseq || !*keyseq) |
| 284 | { |
| 285 | if (type == ISMACR) |
| 286 | free (data); |
| 287 | return -1; |
| 288 | } |
| 289 | |
| 290 | keys = xmalloc (1 + (2 * strlen (keyseq))); |
| 291 | |
| 292 | /* Translate the ASCII representation of KEYSEQ into an array of |
| 293 | characters. Stuff the characters into KEYS, and the length of |
| 294 | KEYS into KEYS_LEN. */ |
| 295 | if (rl_translate_keyseq (keyseq, keys, &keys_len)) |
| 296 | { |
| 297 | free (keys); |
| 298 | return -1; |
| 299 | } |
| 300 | |
| 301 | /* Bind keys, making new keymaps as necessary. */ |
| 302 | for (i = 0; i < keys_len; i++) |
| 303 | { |
| 304 | int ic = (int) ((unsigned char)keys[i]); |
| 305 | |
| 306 | if (_rl_convert_meta_chars_to_ascii && META_CHAR (ic)) |
| 307 | { |
| 308 | ic = UNMETA (ic); |
| 309 | if (map[ESC].type == ISKMAP) |
| 310 | map = FUNCTION_TO_KEYMAP (map, ESC); |
| 311 | } |
| 312 | |
| 313 | if ((i + 1) < keys_len) |
| 314 | { |
| 315 | if (map[ic].type != ISKMAP) |
| 316 | { |
| 317 | if (map[ic].type == ISMACR) |
| 318 | free ((char *)map[ic].function); |
| 319 | |
| 320 | map[ic].type = ISKMAP; |
| 321 | map[ic].function = KEYMAP_TO_FUNCTION (rl_make_bare_keymap()); |
| 322 | } |
| 323 | map = FUNCTION_TO_KEYMAP (map, ic); |
| 324 | } |
| 325 | else |
| 326 | { |
| 327 | if (map[ic].type == ISMACR) |
| 328 | free ((char *)map[ic].function); |
| 329 | |
| 330 | map[ic].function = KEYMAP_TO_FUNCTION (data); |
| 331 | map[ic].type = type; |
| 332 | } |
| 333 | |
| 334 | rl_binding_keymap = map; |
| 335 | } |
| 336 | free (keys); |
| 337 | return 0; |
| 338 | } |
| 339 | |
| 340 | /* Translate the ASCII representation of SEQ, stuffing the values into ARRAY, |
| 341 | an array of characters. LEN gets the final length of ARRAY. Return |
| 342 | non-zero if there was an error parsing SEQ. */ |
| 343 | int |
| 344 | rl_translate_keyseq (seq, array, len) |
| 345 | char *seq, *array; |
| 346 | int *len; |
| 347 | { |
| 348 | register int i, c, l, temp; |
| 349 | |
| 350 | for (i = l = 0; c = seq[i]; i++) |
| 351 | { |
| 352 | if (c == '\\') |
| 353 | { |
| 354 | c = seq[++i]; |
| 355 | |
| 356 | if (c == 0) |
| 357 | break; |
| 358 | |
| 359 | /* Handle \C- and \M- prefixes. */ |
| 360 | if ((c == 'C' || c == 'M') && seq[i + 1] == '-') |
| 361 | { |
| 362 | /* Handle special case of backwards define. */ |
| 363 | if (strncmp (&seq[i], "C-\\M-", 5) == 0) |
| 364 | { |
| 365 | array[l++] = ESC; |
| 366 | i += 5; |
| 367 | array[l++] = CTRL (_rl_to_upper (seq[i])); |
| 368 | if (seq[i] == '\0') |
| 369 | i--; |
| 370 | } |
| 371 | else if (c == 'M') |
| 372 | { |
| 373 | i++; |
| 374 | array[l++] = ESC; /* XXX */ |
| 375 | } |
| 376 | else if (c == 'C') |
| 377 | { |
| 378 | i += 2; |
| 379 | /* Special hack for C-?... */ |
| 380 | array[l++] = (seq[i] == '?') ? RUBOUT : CTRL (_rl_to_upper (seq[i])); |
| 381 | } |
| 382 | continue; |
| 383 | } |
| 384 | |
| 385 | /* Translate other backslash-escaped characters. These are the |
| 386 | same escape sequences that bash's `echo' and `printf' builtins |
| 387 | handle, with the addition of \d -> RUBOUT. A backslash |
| 388 | preceding a character that is not special is stripped. */ |
| 389 | switch (c) |
| 390 | { |
| 391 | case 'a': |
| 392 | array[l++] = '\007'; |
| 393 | break; |
| 394 | case 'b': |
| 395 | array[l++] = '\b'; |
| 396 | break; |
| 397 | case 'd': |
| 398 | array[l++] = RUBOUT; /* readline-specific */ |
| 399 | break; |
| 400 | case 'e': |
| 401 | array[l++] = ESC; |
| 402 | break; |
| 403 | case 'f': |
| 404 | array[l++] = '\f'; |
| 405 | break; |
| 406 | case 'n': |
| 407 | array[l++] = NEWLINE; |
| 408 | break; |
| 409 | case 'r': |
| 410 | array[l++] = RETURN; |
| 411 | break; |
| 412 | case 't': |
| 413 | array[l++] = TAB; |
| 414 | break; |
| 415 | case 'v': |
| 416 | array[l++] = 0x0B; |
| 417 | break; |
| 418 | case '\\': |
| 419 | array[l++] = '\\'; |
| 420 | break; |
| 421 | case '0': case '1': case '2': case '3': |
| 422 | case '4': case '5': case '6': case '7': |
| 423 | i++; |
| 424 | for (temp = 2, c -= '0'; ISOCTAL (seq[i]) && temp--; i++) |
| 425 | c = (c * 8) + OCTVALUE (seq[i]); |
| 426 | i--; /* auto-increment in for loop */ |
| 427 | array[l++] = c % (largest_char + 1); |
| 428 | break; |
| 429 | case 'x': |
| 430 | i++; |
| 431 | for (temp = 3, c = 0; isxdigit (seq[i]) && temp--; i++) |
| 432 | c = (c * 16) + HEXVALUE (seq[i]); |
| 433 | if (temp == 3) |
| 434 | c = 'x'; |
| 435 | i--; /* auto-increment in for loop */ |
| 436 | array[l++] = c % (largest_char + 1); |
| 437 | break; |
| 438 | default: /* backslashes before non-special chars just add the char */ |
| 439 | array[l++] = c; |
| 440 | break; /* the backslash is stripped */ |
| 441 | } |
| 442 | continue; |
| 443 | } |
| 444 | |
| 445 | array[l++] = c; |
| 446 | } |
| 447 | |
| 448 | *len = l; |
| 449 | array[l] = '\0'; |
| 450 | return (0); |
| 451 | } |
| 452 | |
| 453 | char * |
| 454 | rl_untranslate_keyseq (seq) |
| 455 | int seq; |
| 456 | { |
| 457 | static char kseq[16]; |
| 458 | int i, c; |
| 459 | |
| 460 | i = 0; |
| 461 | c = seq; |
| 462 | if (META_CHAR (c)) |
| 463 | { |
| 464 | kseq[i++] = '\\'; |
| 465 | kseq[i++] = 'M'; |
| 466 | kseq[i++] = '-'; |
| 467 | c = UNMETA (c); |
| 468 | } |
| 469 | else if (CTRL_CHAR (c)) |
| 470 | { |
| 471 | kseq[i++] = '\\'; |
| 472 | kseq[i++] = 'C'; |
| 473 | kseq[i++] = '-'; |
| 474 | c = _rl_to_lower (UNCTRL (c)); |
| 475 | } |
| 476 | else if (c == RUBOUT) |
| 477 | { |
| 478 | kseq[i++] = '\\'; |
| 479 | kseq[i++] = 'C'; |
| 480 | kseq[i++] = '-'; |
| 481 | c = '?'; |
| 482 | } |
| 483 | |
| 484 | if (c == ESC) |
| 485 | { |
| 486 | kseq[i++] = '\\'; |
| 487 | c = 'e'; |
| 488 | } |
| 489 | else if (c == '\\' || c == '"') |
| 490 | { |
| 491 | kseq[i++] = '\\'; |
| 492 | } |
| 493 | |
| 494 | kseq[i++] = (unsigned char) c; |
| 495 | kseq[i] = '\0'; |
| 496 | return kseq; |
| 497 | } |
| 498 | |
| 499 | static char * |
| 500 | _rl_untranslate_macro_value (seq) |
| 501 | char *seq; |
| 502 | { |
| 503 | char *ret, *r, *s; |
| 504 | int c; |
| 505 | |
| 506 | r = ret = xmalloc (7 * strlen (seq) + 1); |
| 507 | for (s = seq; *s; s++) |
| 508 | { |
| 509 | c = *s; |
| 510 | if (META_CHAR (c)) |
| 511 | { |
| 512 | *r++ = '\\'; |
| 513 | *r++ = 'M'; |
| 514 | *r++ = '-'; |
| 515 | c = UNMETA (c); |
| 516 | } |
| 517 | else if (CTRL_CHAR (c) && c != ESC) |
| 518 | { |
| 519 | *r++ = '\\'; |
| 520 | *r++ = 'C'; |
| 521 | *r++ = '-'; |
| 522 | c = _rl_to_lower (UNCTRL (c)); |
| 523 | } |
| 524 | else if (c == RUBOUT) |
| 525 | { |
| 526 | *r++ = '\\'; |
| 527 | *r++ = 'C'; |
| 528 | *r++ = '-'; |
| 529 | c = '?'; |
| 530 | } |
| 531 | |
| 532 | if (c == ESC) |
| 533 | { |
| 534 | *r++ = '\\'; |
| 535 | c = 'e'; |
| 536 | } |
| 537 | else if (c == '\\' || c == '"') |
| 538 | *r++ = '\\'; |
| 539 | |
| 540 | *r++ = (unsigned char)c; |
| 541 | } |
| 542 | *r = '\0'; |
| 543 | return ret; |
| 544 | } |
| 545 | |
| 546 | /* Return a pointer to the function that STRING represents. |
| 547 | If STRING doesn't have a matching function, then a NULL pointer |
| 548 | is returned. */ |
| 549 | Function * |
| 550 | rl_named_function (string) |
| 551 | char *string; |
| 552 | { |
| 553 | register int i; |
| 554 | |
| 555 | rl_initialize_funmap (); |
| 556 | |
| 557 | for (i = 0; funmap[i]; i++) |
| 558 | if (_rl_stricmp (funmap[i]->name, string) == 0) |
| 559 | return (funmap[i]->function); |
| 560 | return ((Function *)NULL); |
| 561 | } |
| 562 | |
| 563 | /* Return the function (or macro) definition which would be invoked via |
| 564 | KEYSEQ if executed in MAP. If MAP is NULL, then the current keymap is |
| 565 | used. TYPE, if non-NULL, is a pointer to an int which will receive the |
| 566 | type of the object pointed to. One of ISFUNC (function), ISKMAP (keymap), |
| 567 | or ISMACR (macro). */ |
| 568 | Function * |
| 569 | rl_function_of_keyseq (keyseq, map, type) |
| 570 | char *keyseq; |
| 571 | Keymap map; |
| 572 | int *type; |
| 573 | { |
| 574 | register int i; |
| 575 | |
| 576 | if (!map) |
| 577 | map = _rl_keymap; |
| 578 | |
| 579 | for (i = 0; keyseq && keyseq[i]; i++) |
| 580 | { |
| 581 | int ic = keyseq[i]; |
| 582 | |
| 583 | if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii) |
| 584 | { |
| 585 | if (map[ESC].type != ISKMAP) |
| 586 | { |
| 587 | if (type) |
| 588 | *type = map[ESC].type; |
| 589 | |
| 590 | return (map[ESC].function); |
| 591 | } |
| 592 | else |
| 593 | { |
| 594 | map = FUNCTION_TO_KEYMAP (map, ESC); |
| 595 | ic = UNMETA (ic); |
| 596 | } |
| 597 | } |
| 598 | |
| 599 | if (map[ic].type == ISKMAP) |
| 600 | { |
| 601 | /* If this is the last key in the key sequence, return the |
| 602 | map. */ |
| 603 | if (!keyseq[i + 1]) |
| 604 | { |
| 605 | if (type) |
| 606 | *type = ISKMAP; |
| 607 | |
| 608 | return (map[ic].function); |
| 609 | } |
| 610 | else |
| 611 | map = FUNCTION_TO_KEYMAP (map, ic); |
| 612 | } |
| 613 | else |
| 614 | { |
| 615 | if (type) |
| 616 | *type = map[ic].type; |
| 617 | |
| 618 | return (map[ic].function); |
| 619 | } |
| 620 | } |
| 621 | return ((Function *) NULL); |
| 622 | } |
| 623 | |
| 624 | /* The last key bindings file read. */ |
| 625 | static char *last_readline_init_file = (char *)NULL; |
| 626 | |
| 627 | /* The file we're currently reading key bindings from. */ |
| 628 | static char *current_readline_init_file; |
| 629 | static int current_readline_init_include_level; |
| 630 | static int current_readline_init_lineno; |
| 631 | |
| 632 | /* Read FILENAME into a locally-allocated buffer and return the buffer. |
| 633 | The size of the buffer is returned in *SIZEP. Returns NULL if any |
| 634 | errors were encountered. */ |
| 635 | static char * |
| 636 | _rl_read_file (filename, sizep) |
| 637 | char *filename; |
| 638 | size_t *sizep; |
| 639 | { |
| 640 | struct stat finfo; |
| 641 | size_t file_size; |
| 642 | char *buffer; |
| 643 | int i, file; |
| 644 | |
| 645 | if ((stat (filename, &finfo) < 0) || (file = open (filename, O_RDONLY, 0666)) < 0) |
| 646 | return ((char *)NULL); |
| 647 | |
| 648 | file_size = (size_t)finfo.st_size; |
| 649 | |
| 650 | /* check for overflow on very large files */ |
| 651 | if (file_size != finfo.st_size || file_size + 1 < file_size) |
| 652 | { |
| 653 | if (file >= 0) |
| 654 | close (file); |
| 655 | #if defined (EFBIG) |
| 656 | errno = EFBIG; |
| 657 | #endif |
| 658 | return ((char *)NULL); |
| 659 | } |
| 660 | |
| 661 | /* Read the file into BUFFER. */ |
| 662 | buffer = (char *)xmalloc (file_size + 1); |
| 663 | i = read (file, buffer, file_size); |
| 664 | close (file); |
| 665 | |
| 666 | if (i < file_size) |
| 667 | { |
| 668 | free (buffer); |
| 669 | return ((char *)NULL); |
| 670 | } |
| 671 | |
| 672 | buffer[file_size] = '\0'; |
| 673 | if (sizep) |
| 674 | *sizep = file_size; |
| 675 | return (buffer); |
| 676 | } |
| 677 | |
| 678 | /* Re-read the current keybindings file. */ |
| 679 | int |
| 680 | rl_re_read_init_file (count, ignore) |
| 681 | int count, ignore; |
| 682 | { |
| 683 | int r; |
| 684 | r = rl_read_init_file ((char *)NULL); |
| 685 | rl_set_keymap_from_edit_mode (); |
| 686 | return r; |
| 687 | } |
| 688 | |
| 689 | /* Do key bindings from a file. If FILENAME is NULL it defaults |
| 690 | to the first non-null filename from this list: |
| 691 | 1. the filename used for the previous call |
| 692 | 2. the value of the shell variable `INPUTRC' |
| 693 | 3. ~/.inputrc |
| 694 | If the file existed and could be opened and read, 0 is returned, |
| 695 | otherwise errno is returned. */ |
| 696 | int |
| 697 | rl_read_init_file (filename) |
| 698 | char *filename; |
| 699 | { |
| 700 | /* Default the filename. */ |
| 701 | if (filename == 0) |
| 702 | { |
| 703 | filename = last_readline_init_file; |
| 704 | if (filename == 0) |
| 705 | filename = get_env_value ("INPUTRC"); |
| 706 | if (filename == 0) |
| 707 | filename = DEFAULT_INPUTRC; |
| 708 | } |
| 709 | |
| 710 | if (*filename == 0) |
| 711 | filename = DEFAULT_INPUTRC; |
| 712 | |
| 713 | return (_rl_read_init_file (filename, 0)); |
| 714 | } |
| 715 | |
| 716 | static int |
| 717 | _rl_read_init_file (filename, include_level) |
| 718 | char *filename; |
| 719 | int include_level; |
| 720 | { |
| 721 | register int i; |
| 722 | char *buffer, *openname, *line, *end; |
| 723 | size_t file_size; |
| 724 | |
| 725 | current_readline_init_file = filename; |
| 726 | current_readline_init_include_level = include_level; |
| 727 | |
| 728 | openname = tilde_expand (filename); |
| 729 | buffer = _rl_read_file (openname, &file_size); |
| 730 | if (buffer == 0) |
| 731 | return (errno); |
| 732 | |
| 733 | if (include_level == 0 && filename != last_readline_init_file) |
| 734 | { |
| 735 | FREE (last_readline_init_file); |
| 736 | last_readline_init_file = savestring (filename); |
| 737 | } |
| 738 | |
| 739 | /* Loop over the lines in the file. Lines that start with `#' are |
| 740 | comments; all other lines are commands for readline initialization. */ |
| 741 | current_readline_init_lineno = 1; |
| 742 | line = buffer; |
| 743 | end = buffer + file_size; |
| 744 | while (line < end) |
| 745 | { |
| 746 | /* Find the end of this line. */ |
| 747 | for (i = 0; line + i != end && line[i] != '\n'; i++); |
| 748 | |
| 749 | /* Mark end of line. */ |
| 750 | line[i] = '\0'; |
| 751 | |
| 752 | /* Skip leading whitespace. */ |
| 753 | while (*line && whitespace (*line)) |
| 754 | { |
| 755 | line++; |
| 756 | i--; |
| 757 | } |
| 758 | |
| 759 | /* If the line is not a comment, then parse it. */ |
| 760 | if (*line && *line != '#') |
| 761 | rl_parse_and_bind (line); |
| 762 | |
| 763 | /* Move to the next line. */ |
| 764 | line += i + 1; |
| 765 | current_readline_init_lineno++; |
| 766 | } |
| 767 | |
| 768 | free (buffer); |
| 769 | return (0); |
| 770 | } |
| 771 | |
| 772 | static void |
| 773 | _rl_init_file_error (msg) |
| 774 | char *msg; |
| 775 | { |
| 776 | fprintf (stderr, "readline: %s: line %d: %s\n", current_readline_init_file, |
| 777 | current_readline_init_lineno, |
| 778 | msg); |
| 779 | } |
| 780 | |
| 781 | /* **************************************************************** */ |
| 782 | /* */ |
| 783 | /* Parser Directives */ |
| 784 | /* */ |
| 785 | /* **************************************************************** */ |
| 786 | |
| 787 | /* Conditionals. */ |
| 788 | |
| 789 | /* Calling programs set this to have their argv[0]. */ |
| 790 | char *rl_readline_name = "other"; |
| 791 | |
| 792 | /* Stack of previous values of parsing_conditionalized_out. */ |
| 793 | static unsigned char *if_stack = (unsigned char *)NULL; |
| 794 | static int if_stack_depth; |
| 795 | static int if_stack_size; |
| 796 | |
| 797 | /* Push _rl_parsing_conditionalized_out, and set parser state based |
| 798 | on ARGS. */ |
| 799 | static int |
| 800 | parser_if (args) |
| 801 | char *args; |
| 802 | { |
| 803 | register int i; |
| 804 | |
| 805 | /* Push parser state. */ |
| 806 | if (if_stack_depth + 1 >= if_stack_size) |
| 807 | { |
| 808 | if (!if_stack) |
| 809 | if_stack = (unsigned char *)xmalloc (if_stack_size = 20); |
| 810 | else |
| 811 | if_stack = (unsigned char *)xrealloc (if_stack, if_stack_size += 20); |
| 812 | } |
| 813 | if_stack[if_stack_depth++] = _rl_parsing_conditionalized_out; |
| 814 | |
| 815 | /* If parsing is turned off, then nothing can turn it back on except |
| 816 | for finding the matching endif. In that case, return right now. */ |
| 817 | if (_rl_parsing_conditionalized_out) |
| 818 | return 0; |
| 819 | |
| 820 | /* Isolate first argument. */ |
| 821 | for (i = 0; args[i] && !whitespace (args[i]); i++); |
| 822 | |
| 823 | if (args[i]) |
| 824 | args[i++] = '\0'; |
| 825 | |
| 826 | /* Handle "$if term=foo" and "$if mode=emacs" constructs. If this |
| 827 | isn't term=foo, or mode=emacs, then check to see if the first |
| 828 | word in ARGS is the same as the value stored in rl_readline_name. */ |
| 829 | if (rl_terminal_name && _rl_strnicmp (args, "term=", 5) == 0) |
| 830 | { |
| 831 | char *tem, *tname; |
| 832 | |
| 833 | /* Terminals like "aaa-60" are equivalent to "aaa". */ |
| 834 | tname = savestring (rl_terminal_name); |
| 835 | tem = strchr (tname, '-'); |
| 836 | if (tem) |
| 837 | *tem = '\0'; |
| 838 | |
| 839 | /* Test the `long' and `short' forms of the terminal name so that |
| 840 | if someone has a `sun-cmd' and does not want to have bindings |
| 841 | that will be executed if the terminal is a `sun', they can put |
| 842 | `$if term=sun-cmd' into their .inputrc. */ |
| 843 | _rl_parsing_conditionalized_out = _rl_stricmp (args + 5, tname) && |
| 844 | _rl_stricmp (args + 5, rl_terminal_name); |
| 845 | free (tname); |
| 846 | } |
| 847 | #if defined (VI_MODE) |
| 848 | else if (_rl_strnicmp (args, "mode=", 5) == 0) |
| 849 | { |
| 850 | int mode; |
| 851 | |
| 852 | if (_rl_stricmp (args + 5, "emacs") == 0) |
| 853 | mode = emacs_mode; |
| 854 | else if (_rl_stricmp (args + 5, "vi") == 0) |
| 855 | mode = vi_mode; |
| 856 | else |
| 857 | mode = no_mode; |
| 858 | |
| 859 | _rl_parsing_conditionalized_out = mode != rl_editing_mode; |
| 860 | } |
| 861 | #endif /* VI_MODE */ |
| 862 | /* Check to see if the first word in ARGS is the same as the |
| 863 | value stored in rl_readline_name. */ |
| 864 | else if (_rl_stricmp (args, rl_readline_name) == 0) |
| 865 | _rl_parsing_conditionalized_out = 0; |
| 866 | else |
| 867 | _rl_parsing_conditionalized_out = 1; |
| 868 | return 0; |
| 869 | } |
| 870 | |
| 871 | /* Invert the current parser state if there is anything on the stack. */ |
| 872 | static int |
| 873 | parser_else (args) |
| 874 | char *args; |
| 875 | { |
| 876 | register int i; |
| 877 | |
| 878 | if (if_stack_depth == 0) |
| 879 | { |
| 880 | _rl_init_file_error ("$else found without matching $if"); |
| 881 | return 0; |
| 882 | } |
| 883 | |
| 884 | /* Check the previous (n - 1) levels of the stack to make sure that |
| 885 | we haven't previously turned off parsing. */ |
| 886 | for (i = 0; i < if_stack_depth - 1; i++) |
| 887 | if (if_stack[i] == 1) |
| 888 | return 0; |
| 889 | |
| 890 | /* Invert the state of parsing if at top level. */ |
| 891 | _rl_parsing_conditionalized_out = !_rl_parsing_conditionalized_out; |
| 892 | return 0; |
| 893 | } |
| 894 | |
| 895 | /* Terminate a conditional, popping the value of |
| 896 | _rl_parsing_conditionalized_out from the stack. */ |
| 897 | static int |
| 898 | parser_endif (args) |
| 899 | char *args; |
| 900 | { |
| 901 | if (if_stack_depth) |
| 902 | _rl_parsing_conditionalized_out = if_stack[--if_stack_depth]; |
| 903 | else |
| 904 | _rl_init_file_error ("$endif without matching $if"); |
| 905 | return 0; |
| 906 | } |
| 907 | |
| 908 | static int |
| 909 | parser_include (args) |
| 910 | char *args; |
| 911 | { |
| 912 | char *old_init_file, *e; |
| 913 | int old_line_number, old_include_level, r; |
| 914 | |
| 915 | if (_rl_parsing_conditionalized_out) |
| 916 | return (0); |
| 917 | |
| 918 | old_init_file = current_readline_init_file; |
| 919 | old_line_number = current_readline_init_lineno; |
| 920 | old_include_level = current_readline_init_include_level; |
| 921 | |
| 922 | e = strchr (args, '\n'); |
| 923 | if (e) |
| 924 | *e = '\0'; |
| 925 | r = _rl_read_init_file (args, old_include_level + 1); |
| 926 | |
| 927 | current_readline_init_file = old_init_file; |
| 928 | current_readline_init_lineno = old_line_number; |
| 929 | current_readline_init_include_level = old_include_level; |
| 930 | |
| 931 | return r; |
| 932 | } |
| 933 | |
| 934 | /* Associate textual names with actual functions. */ |
| 935 | static struct { |
| 936 | char *name; |
| 937 | Function *function; |
| 938 | } parser_directives [] = { |
| 939 | { "if", parser_if }, |
| 940 | { "endif", parser_endif }, |
| 941 | { "else", parser_else }, |
| 942 | { "include", parser_include }, |
| 943 | { (char *)0x0, (Function *)0x0 } |
| 944 | }; |
| 945 | |
| 946 | /* Handle a parser directive. STATEMENT is the line of the directive |
| 947 | without any leading `$'. */ |
| 948 | static int |
| 949 | handle_parser_directive (statement) |
| 950 | char *statement; |
| 951 | { |
| 952 | register int i; |
| 953 | char *directive, *args; |
| 954 | |
| 955 | /* Isolate the actual directive. */ |
| 956 | |
| 957 | /* Skip whitespace. */ |
| 958 | for (i = 0; whitespace (statement[i]); i++); |
| 959 | |
| 960 | directive = &statement[i]; |
| 961 | |
| 962 | for (; statement[i] && !whitespace (statement[i]); i++); |
| 963 | |
| 964 | if (statement[i]) |
| 965 | statement[i++] = '\0'; |
| 966 | |
| 967 | for (; statement[i] && whitespace (statement[i]); i++); |
| 968 | |
| 969 | args = &statement[i]; |
| 970 | |
| 971 | /* Lookup the command, and act on it. */ |
| 972 | for (i = 0; parser_directives[i].name; i++) |
| 973 | if (_rl_stricmp (directive, parser_directives[i].name) == 0) |
| 974 | { |
| 975 | (*parser_directives[i].function) (args); |
| 976 | return (0); |
| 977 | } |
| 978 | |
| 979 | /* display an error message about the unknown parser directive */ |
| 980 | _rl_init_file_error ("unknown parser directive"); |
| 981 | return (1); |
| 982 | } |
| 983 | |
| 984 | /* Read the binding command from STRING and perform it. |
| 985 | A key binding command looks like: Keyname: function-name\0, |
| 986 | a variable binding command looks like: set variable value. |
| 987 | A new-style keybinding looks like "\C-x\C-x": exchange-point-and-mark. */ |
| 988 | int |
| 989 | rl_parse_and_bind (string) |
| 990 | char *string; |
| 991 | { |
| 992 | char *funname, *kname; |
| 993 | register int c, i; |
| 994 | int key, equivalency; |
| 995 | |
| 996 | while (string && whitespace (*string)) |
| 997 | string++; |
| 998 | |
| 999 | if (!string || !*string || *string == '#') |
| 1000 | return 0; |
| 1001 | |
| 1002 | /* If this is a parser directive, act on it. */ |
| 1003 | if (*string == '$') |
| 1004 | { |
| 1005 | handle_parser_directive (&string[1]); |
| 1006 | return 0; |
| 1007 | } |
| 1008 | |
| 1009 | /* If we aren't supposed to be parsing right now, then we're done. */ |
| 1010 | if (_rl_parsing_conditionalized_out) |
| 1011 | return 0; |
| 1012 | |
| 1013 | i = 0; |
| 1014 | /* If this keyname is a complex key expression surrounded by quotes, |
| 1015 | advance to after the matching close quote. This code allows the |
| 1016 | backslash to quote characters in the key expression. */ |
| 1017 | if (*string == '"') |
| 1018 | { |
| 1019 | int passc = 0; |
| 1020 | |
| 1021 | for (i = 1; c = string[i]; i++) |
| 1022 | { |
| 1023 | if (passc) |
| 1024 | { |
| 1025 | passc = 0; |
| 1026 | continue; |
| 1027 | } |
| 1028 | |
| 1029 | if (c == '\\') |
| 1030 | { |
| 1031 | passc++; |
| 1032 | continue; |
| 1033 | } |
| 1034 | |
| 1035 | if (c == '"') |
| 1036 | break; |
| 1037 | } |
| 1038 | /* If we didn't find a closing quote, abort the line. */ |
| 1039 | if (string[i] == '\0') |
| 1040 | { |
| 1041 | _rl_init_file_error ("no closing `\"' in key binding"); |
| 1042 | return 1; |
| 1043 | } |
| 1044 | } |
| 1045 | |
| 1046 | /* Advance to the colon (:) or whitespace which separates the two objects. */ |
| 1047 | for (; (c = string[i]) && c != ':' && c != ' ' && c != '\t'; i++ ); |
| 1048 | |
| 1049 | equivalency = (c == ':' && string[i + 1] == '='); |
| 1050 | |
| 1051 | /* Mark the end of the command (or keyname). */ |
| 1052 | if (string[i]) |
| 1053 | string[i++] = '\0'; |
| 1054 | |
| 1055 | /* If doing assignment, skip the '=' sign as well. */ |
| 1056 | if (equivalency) |
| 1057 | string[i++] = '\0'; |
| 1058 | |
| 1059 | /* If this is a command to set a variable, then do that. */ |
| 1060 | if (_rl_stricmp (string, "set") == 0) |
| 1061 | { |
| 1062 | char *var = string + i; |
| 1063 | char *value; |
| 1064 | |
| 1065 | /* Make VAR point to start of variable name. */ |
| 1066 | while (*var && whitespace (*var)) var++; |
| 1067 | |
| 1068 | /* Make value point to start of value string. */ |
| 1069 | value = var; |
| 1070 | while (*value && !whitespace (*value)) value++; |
| 1071 | if (*value) |
| 1072 | *value++ = '\0'; |
| 1073 | while (*value && whitespace (*value)) value++; |
| 1074 | |
| 1075 | rl_variable_bind (var, value); |
| 1076 | return 0; |
| 1077 | } |
| 1078 | |
| 1079 | /* Skip any whitespace between keyname and funname. */ |
| 1080 | for (; string[i] && whitespace (string[i]); i++); |
| 1081 | funname = &string[i]; |
| 1082 | |
| 1083 | /* Now isolate funname. |
| 1084 | For straight function names just look for whitespace, since |
| 1085 | that will signify the end of the string. But this could be a |
| 1086 | macro definition. In that case, the string is quoted, so skip |
| 1087 | to the matching delimiter. We allow the backslash to quote the |
| 1088 | delimiter characters in the macro body. */ |
| 1089 | /* This code exists to allow whitespace in macro expansions, which |
| 1090 | would otherwise be gobbled up by the next `for' loop.*/ |
| 1091 | /* XXX - it may be desirable to allow backslash quoting only if " is |
| 1092 | the quoted string delimiter, like the shell. */ |
| 1093 | if (*funname == '\'' || *funname == '"') |
| 1094 | { |
| 1095 | int delimiter = string[i++], passc; |
| 1096 | |
| 1097 | for (passc = 0; c = string[i]; i++) |
| 1098 | { |
| 1099 | if (passc) |
| 1100 | { |
| 1101 | passc = 0; |
| 1102 | continue; |
| 1103 | } |
| 1104 | |
| 1105 | if (c == '\\') |
| 1106 | { |
| 1107 | passc = 1; |
| 1108 | continue; |
| 1109 | } |
| 1110 | |
| 1111 | if (c == delimiter) |
| 1112 | break; |
| 1113 | } |
| 1114 | if (c) |
| 1115 | i++; |
| 1116 | } |
| 1117 | |
| 1118 | /* Advance to the end of the string. */ |
| 1119 | for (; string[i] && !whitespace (string[i]); i++); |
| 1120 | |
| 1121 | /* No extra whitespace at the end of the string. */ |
| 1122 | string[i] = '\0'; |
| 1123 | |
| 1124 | /* Handle equivalency bindings here. Make the left-hand side be exactly |
| 1125 | whatever the right-hand evaluates to, including keymaps. */ |
| 1126 | if (equivalency) |
| 1127 | { |
| 1128 | return 0; |
| 1129 | } |
| 1130 | |
| 1131 | /* If this is a new-style key-binding, then do the binding with |
| 1132 | rl_set_key (). Otherwise, let the older code deal with it. */ |
| 1133 | if (*string == '"') |
| 1134 | { |
| 1135 | char *seq; |
| 1136 | register int j, k, passc; |
| 1137 | |
| 1138 | seq = xmalloc (1 + strlen (string)); |
| 1139 | for (j = 1, k = passc = 0; string[j]; j++) |
| 1140 | { |
| 1141 | /* Allow backslash to quote characters, but leave them in place. |
| 1142 | This allows a string to end with a backslash quoting another |
| 1143 | backslash, or with a backslash quoting a double quote. The |
| 1144 | backslashes are left in place for rl_translate_keyseq (). */ |
| 1145 | if (passc || (string[j] == '\\')) |
| 1146 | { |
| 1147 | seq[k++] = string[j]; |
| 1148 | passc = !passc; |
| 1149 | continue; |
| 1150 | } |
| 1151 | |
| 1152 | if (string[j] == '"') |
| 1153 | break; |
| 1154 | |
| 1155 | seq[k++] = string[j]; |
| 1156 | } |
| 1157 | seq[k] = '\0'; |
| 1158 | |
| 1159 | /* Binding macro? */ |
| 1160 | if (*funname == '\'' || *funname == '"') |
| 1161 | { |
| 1162 | j = strlen (funname); |
| 1163 | |
| 1164 | /* Remove the delimiting quotes from each end of FUNNAME. */ |
| 1165 | if (j && funname[j - 1] == *funname) |
| 1166 | funname[j - 1] = '\0'; |
| 1167 | |
| 1168 | rl_macro_bind (seq, &funname[1], _rl_keymap); |
| 1169 | } |
| 1170 | else |
| 1171 | rl_set_key (seq, rl_named_function (funname), _rl_keymap); |
| 1172 | |
| 1173 | free (seq); |
| 1174 | return 0; |
| 1175 | } |
| 1176 | |
| 1177 | /* Get the actual character we want to deal with. */ |
| 1178 | kname = strrchr (string, '-'); |
| 1179 | if (!kname) |
| 1180 | kname = string; |
| 1181 | else |
| 1182 | kname++; |
| 1183 | |
| 1184 | key = glean_key_from_name (kname); |
| 1185 | |
| 1186 | /* Add in control and meta bits. */ |
| 1187 | if (substring_member_of_array (string, possible_control_prefixes)) |
| 1188 | key = CTRL (_rl_to_upper (key)); |
| 1189 | |
| 1190 | if (substring_member_of_array (string, possible_meta_prefixes)) |
| 1191 | key = META (key); |
| 1192 | |
| 1193 | /* Temporary. Handle old-style keyname with macro-binding. */ |
| 1194 | if (*funname == '\'' || *funname == '"') |
| 1195 | { |
| 1196 | unsigned char useq[2]; |
| 1197 | int fl = strlen (funname); |
| 1198 | |
| 1199 | useq[0] = key; useq[1] = '\0'; |
| 1200 | if (fl && funname[fl - 1] == *funname) |
| 1201 | funname[fl - 1] = '\0'; |
| 1202 | |
| 1203 | rl_macro_bind (useq, &funname[1], _rl_keymap); |
| 1204 | } |
| 1205 | #if defined (PREFIX_META_HACK) |
| 1206 | /* Ugly, but working hack to keep prefix-meta around. */ |
| 1207 | else if (_rl_stricmp (funname, "prefix-meta") == 0) |
| 1208 | { |
| 1209 | char seq[2]; |
| 1210 | |
| 1211 | seq[0] = key; |
| 1212 | seq[1] = '\0'; |
| 1213 | rl_generic_bind (ISKMAP, seq, (char *)emacs_meta_keymap, _rl_keymap); |
| 1214 | } |
| 1215 | #endif /* PREFIX_META_HACK */ |
| 1216 | else |
| 1217 | rl_bind_key (key, rl_named_function (funname)); |
| 1218 | return 0; |
| 1219 | } |
| 1220 | |
| 1221 | /* Simple structure for boolean readline variables (i.e., those that can |
| 1222 | have one of two values; either "On" or 1 for truth, or "Off" or 0 for |
| 1223 | false. */ |
| 1224 | |
| 1225 | static struct { |
| 1226 | char *name; |
| 1227 | int *value; |
| 1228 | } boolean_varlist [] = { |
| 1229 | #if defined (PAREN_MATCHING) |
| 1230 | { "blink-matching-paren", &rl_blink_matching_paren }, |
| 1231 | #endif |
| 1232 | { "completion-ignore-case", &_rl_completion_case_fold }, |
| 1233 | { "convert-meta", &_rl_convert_meta_chars_to_ascii }, |
| 1234 | { "disable-completion", &rl_inhibit_completion }, |
| 1235 | { "enable-keypad", &_rl_enable_keypad }, |
| 1236 | { "expand-tilde", &rl_complete_with_tilde_expansion }, |
| 1237 | { "horizontal-scroll-mode", &_rl_horizontal_scroll_mode }, |
| 1238 | { "input-meta", &_rl_meta_flag }, |
| 1239 | { "mark-directories", &_rl_complete_mark_directories }, |
| 1240 | { "mark-modified-lines", &_rl_mark_modified_lines }, |
| 1241 | { "meta-flag", &_rl_meta_flag }, |
| 1242 | { "output-meta", &_rl_output_meta_chars }, |
| 1243 | { "print-completions-horizontally", &_rl_print_completions_horizontally }, |
| 1244 | { "show-all-if-ambiguous", &_rl_complete_show_all }, |
| 1245 | #if defined (VISIBLE_STATS) |
| 1246 | { "visible-stats", &rl_visible_stats }, |
| 1247 | #endif /* VISIBLE_STATS */ |
| 1248 | { (char *)NULL, (int *)NULL } |
| 1249 | }; |
| 1250 | |
| 1251 | int |
| 1252 | rl_variable_bind (name, value) |
| 1253 | char *name, *value; |
| 1254 | { |
| 1255 | register int i; |
| 1256 | |
| 1257 | /* Check for simple variables first. */ |
| 1258 | for (i = 0; boolean_varlist[i].name; i++) |
| 1259 | { |
| 1260 | if (_rl_stricmp (name, boolean_varlist[i].name) == 0) |
| 1261 | { |
| 1262 | /* A variable is TRUE if the "value" is "on", "1" or "". */ |
| 1263 | *boolean_varlist[i].value = *value == 0 || |
| 1264 | _rl_stricmp (value, "on") == 0 || |
| 1265 | (value[0] == '1' && value[1] == '\0'); |
| 1266 | return 0; |
| 1267 | } |
| 1268 | } |
| 1269 | |
| 1270 | /* Not a boolean variable, so check for specials. */ |
| 1271 | |
| 1272 | /* Editing mode change? */ |
| 1273 | if (_rl_stricmp (name, "editing-mode") == 0) |
| 1274 | { |
| 1275 | if (_rl_strnicmp (value, "vi", 2) == 0) |
| 1276 | { |
| 1277 | #if defined (VI_MODE) |
| 1278 | _rl_keymap = vi_insertion_keymap; |
| 1279 | rl_editing_mode = vi_mode; |
| 1280 | #endif /* VI_MODE */ |
| 1281 | } |
| 1282 | else if (_rl_strnicmp (value, "emacs", 5) == 0) |
| 1283 | { |
| 1284 | _rl_keymap = emacs_standard_keymap; |
| 1285 | rl_editing_mode = emacs_mode; |
| 1286 | } |
| 1287 | } |
| 1288 | |
| 1289 | /* Comment string change? */ |
| 1290 | else if (_rl_stricmp (name, "comment-begin") == 0) |
| 1291 | { |
| 1292 | if (*value) |
| 1293 | { |
| 1294 | if (_rl_comment_begin) |
| 1295 | free (_rl_comment_begin); |
| 1296 | |
| 1297 | _rl_comment_begin = savestring (value); |
| 1298 | } |
| 1299 | } |
| 1300 | else if (_rl_stricmp (name, "completion-query-items") == 0) |
| 1301 | { |
| 1302 | int nval = 100; |
| 1303 | if (*value) |
| 1304 | { |
| 1305 | nval = atoi (value); |
| 1306 | if (nval < 0) |
| 1307 | nval = 0; |
| 1308 | } |
| 1309 | rl_completion_query_items = nval; |
| 1310 | } |
| 1311 | else if (_rl_stricmp (name, "keymap") == 0) |
| 1312 | { |
| 1313 | Keymap kmap; |
| 1314 | kmap = rl_get_keymap_by_name (value); |
| 1315 | if (kmap) |
| 1316 | rl_set_keymap (kmap); |
| 1317 | } |
| 1318 | else if (_rl_stricmp (name, "bell-style") == 0) |
| 1319 | { |
| 1320 | if (!*value) |
| 1321 | _rl_bell_preference = AUDIBLE_BELL; |
| 1322 | else |
| 1323 | { |
| 1324 | if (_rl_stricmp (value, "none") == 0 || _rl_stricmp (value, "off") == 0) |
| 1325 | _rl_bell_preference = NO_BELL; |
| 1326 | else if (_rl_stricmp (value, "audible") == 0 || _rl_stricmp (value, "on") == 0) |
| 1327 | _rl_bell_preference = AUDIBLE_BELL; |
| 1328 | else if (_rl_stricmp (value, "visible") == 0) |
| 1329 | _rl_bell_preference = VISIBLE_BELL; |
| 1330 | } |
| 1331 | } |
| 1332 | else if (_rl_stricmp (name, "prefer-visible-bell") == 0) |
| 1333 | { |
| 1334 | /* Backwards compatibility. */ |
| 1335 | if (*value && (_rl_stricmp (value, "on") == 0 || |
| 1336 | (*value == '1' && !value[1]))) |
| 1337 | _rl_bell_preference = VISIBLE_BELL; |
| 1338 | else |
| 1339 | _rl_bell_preference = AUDIBLE_BELL; |
| 1340 | } |
| 1341 | |
| 1342 | /* For the time being, unknown variable names are simply ignored. */ |
| 1343 | return 0; |
| 1344 | } |
| 1345 | |
| 1346 | /* Return the character which matches NAME. |
| 1347 | For example, `Space' returns ' '. */ |
| 1348 | |
| 1349 | typedef struct { |
| 1350 | char *name; |
| 1351 | int value; |
| 1352 | } assoc_list; |
| 1353 | |
| 1354 | static assoc_list name_key_alist[] = { |
| 1355 | { "DEL", 0x7f }, |
| 1356 | { "ESC", '\033' }, |
| 1357 | { "Escape", '\033' }, |
| 1358 | { "LFD", '\n' }, |
| 1359 | { "Newline", '\n' }, |
| 1360 | { "RET", '\r' }, |
| 1361 | { "Return", '\r' }, |
| 1362 | { "Rubout", 0x7f }, |
| 1363 | { "SPC", ' ' }, |
| 1364 | { "Space", ' ' }, |
| 1365 | { "Tab", 0x09 }, |
| 1366 | { (char *)0x0, 0 } |
| 1367 | }; |
| 1368 | |
| 1369 | static int |
| 1370 | glean_key_from_name (name) |
| 1371 | char *name; |
| 1372 | { |
| 1373 | register int i; |
| 1374 | |
| 1375 | for (i = 0; name_key_alist[i].name; i++) |
| 1376 | if (_rl_stricmp (name, name_key_alist[i].name) == 0) |
| 1377 | return (name_key_alist[i].value); |
| 1378 | |
| 1379 | return (*(unsigned char *)name); /* XXX was return (*name) */ |
| 1380 | } |
| 1381 | |
| 1382 | /* Auxiliary functions to manage keymaps. */ |
| 1383 | static struct { |
| 1384 | char *name; |
| 1385 | Keymap map; |
| 1386 | } keymap_names[] = { |
| 1387 | { "emacs", emacs_standard_keymap }, |
| 1388 | { "emacs-standard", emacs_standard_keymap }, |
| 1389 | { "emacs-meta", emacs_meta_keymap }, |
| 1390 | { "emacs-ctlx", emacs_ctlx_keymap }, |
| 1391 | #if defined (VI_MODE) |
| 1392 | { "vi", vi_movement_keymap }, |
| 1393 | { "vi-move", vi_movement_keymap }, |
| 1394 | { "vi-command", vi_movement_keymap }, |
| 1395 | { "vi-insert", vi_insertion_keymap }, |
| 1396 | #endif /* VI_MODE */ |
| 1397 | { (char *)0x0, (Keymap)0x0 } |
| 1398 | }; |
| 1399 | |
| 1400 | Keymap |
| 1401 | rl_get_keymap_by_name (name) |
| 1402 | char *name; |
| 1403 | { |
| 1404 | register int i; |
| 1405 | |
| 1406 | for (i = 0; keymap_names[i].name; i++) |
| 1407 | if (strcmp (name, keymap_names[i].name) == 0) |
| 1408 | return (keymap_names[i].map); |
| 1409 | return ((Keymap) NULL); |
| 1410 | } |
| 1411 | |
| 1412 | char * |
| 1413 | rl_get_keymap_name (map) |
| 1414 | Keymap map; |
| 1415 | { |
| 1416 | register int i; |
| 1417 | for (i = 0; keymap_names[i].name; i++) |
| 1418 | if (map == keymap_names[i].map) |
| 1419 | return (keymap_names[i].name); |
| 1420 | return ((char *)NULL); |
| 1421 | } |
| 1422 | |
| 1423 | void |
| 1424 | rl_set_keymap (map) |
| 1425 | Keymap map; |
| 1426 | { |
| 1427 | if (map) |
| 1428 | _rl_keymap = map; |
| 1429 | } |
| 1430 | |
| 1431 | Keymap |
| 1432 | rl_get_keymap () |
| 1433 | { |
| 1434 | return (_rl_keymap); |
| 1435 | } |
| 1436 | |
| 1437 | void |
| 1438 | rl_set_keymap_from_edit_mode () |
| 1439 | { |
| 1440 | if (rl_editing_mode == emacs_mode) |
| 1441 | _rl_keymap = emacs_standard_keymap; |
| 1442 | #if defined (VI_MODE) |
| 1443 | else if (rl_editing_mode == vi_mode) |
| 1444 | _rl_keymap = vi_insertion_keymap; |
| 1445 | #endif /* VI_MODE */ |
| 1446 | } |
| 1447 | |
| 1448 | char * |
| 1449 | rl_get_keymap_name_from_edit_mode () |
| 1450 | { |
| 1451 | if (rl_editing_mode == emacs_mode) |
| 1452 | return "emacs"; |
| 1453 | #if defined (VI_MODE) |
| 1454 | else if (rl_editing_mode == vi_mode) |
| 1455 | return "vi"; |
| 1456 | #endif /* VI_MODE */ |
| 1457 | else |
| 1458 | return "none"; |
| 1459 | } |
| 1460 | |
| 1461 | /* **************************************************************** */ |
| 1462 | /* */ |
| 1463 | /* Key Binding and Function Information */ |
| 1464 | /* */ |
| 1465 | /* **************************************************************** */ |
| 1466 | |
| 1467 | /* Each of the following functions produces information about the |
| 1468 | state of keybindings and functions known to Readline. The info |
| 1469 | is always printed to rl_outstream, and in such a way that it can |
| 1470 | be read back in (i.e., passed to rl_parse_and_bind (). */ |
| 1471 | |
| 1472 | /* Print the names of functions known to Readline. */ |
| 1473 | void |
| 1474 | rl_list_funmap_names () |
| 1475 | { |
| 1476 | register int i; |
| 1477 | char **funmap_names; |
| 1478 | |
| 1479 | funmap_names = rl_funmap_names (); |
| 1480 | |
| 1481 | if (!funmap_names) |
| 1482 | return; |
| 1483 | |
| 1484 | for (i = 0; funmap_names[i]; i++) |
| 1485 | fprintf (rl_outstream, "%s\n", funmap_names[i]); |
| 1486 | |
| 1487 | free (funmap_names); |
| 1488 | } |
| 1489 | |
| 1490 | static char * |
| 1491 | _rl_get_keyname (key) |
| 1492 | int key; |
| 1493 | { |
| 1494 | char *keyname; |
| 1495 | int i, c, v; |
| 1496 | |
| 1497 | keyname = (char *)xmalloc (8); |
| 1498 | |
| 1499 | c = key; |
| 1500 | /* Since this is going to be used to write out keysequence-function |
| 1501 | pairs for possible inclusion in an inputrc file, we don't want to |
| 1502 | do any special meta processing on KEY. */ |
| 1503 | |
| 1504 | #if 0 |
| 1505 | /* We might want to do this, but the old version of the code did not. */ |
| 1506 | |
| 1507 | /* If this is an escape character, we don't want to do any more processing. |
| 1508 | Just add the special ESC key sequence and return. */ |
| 1509 | if (c == ESC) |
| 1510 | { |
| 1511 | keyseq[0] = '\\'; |
| 1512 | keyseq[1] = 'e'; |
| 1513 | keyseq[2] = '\0'; |
| 1514 | return keyseq; |
| 1515 | } |
| 1516 | #endif |
| 1517 | |
| 1518 | /* RUBOUT is translated directly into \C-? */ |
| 1519 | if (key == RUBOUT) |
| 1520 | { |
| 1521 | keyname[0] = '\\'; |
| 1522 | keyname[1] = 'C'; |
| 1523 | keyname[2] = '-'; |
| 1524 | keyname[3] = '?'; |
| 1525 | keyname[4] = '\0'; |
| 1526 | return keyname; |
| 1527 | } |
| 1528 | |
| 1529 | i = 0; |
| 1530 | /* Now add special prefixes needed for control characters. This can |
| 1531 | potentially change C. */ |
| 1532 | if (CTRL_CHAR (c)) |
| 1533 | { |
| 1534 | keyname[i++] = '\\'; |
| 1535 | keyname[i++] = 'C'; |
| 1536 | keyname[i++] = '-'; |
| 1537 | c = _rl_to_lower (UNCTRL (c)); |
| 1538 | } |
| 1539 | |
| 1540 | /* XXX experimental code. Turn the characters that are not ASCII or |
| 1541 | ISO Latin 1 (128 - 159) into octal escape sequences (\200 - \237). |
| 1542 | This changes C. */ |
| 1543 | if (c >= 128 && c <= 159) |
| 1544 | { |
| 1545 | keyname[i++] = '\\'; |
| 1546 | keyname[i++] = '2'; |
| 1547 | c -= 128; |
| 1548 | keyname[i++] = (c / 8) + '0'; |
| 1549 | c = (c % 8) + '0'; |
| 1550 | } |
| 1551 | |
| 1552 | /* Now, if the character needs to be quoted with a backslash, do that. */ |
| 1553 | if (c == '\\' || c == '"') |
| 1554 | keyname[i++] = '\\'; |
| 1555 | |
| 1556 | /* Now add the key, terminate the string, and return it. */ |
| 1557 | keyname[i++] = (char) c; |
| 1558 | keyname[i] = '\0'; |
| 1559 | |
| 1560 | return keyname; |
| 1561 | } |
| 1562 | |
| 1563 | /* Return a NULL terminated array of strings which represent the key |
| 1564 | sequences that are used to invoke FUNCTION in MAP. */ |
| 1565 | char ** |
| 1566 | rl_invoking_keyseqs_in_map (function, map) |
| 1567 | Function *function; |
| 1568 | Keymap map; |
| 1569 | { |
| 1570 | register int key; |
| 1571 | char **result; |
| 1572 | int result_index, result_size; |
| 1573 | |
| 1574 | result = (char **)NULL; |
| 1575 | result_index = result_size = 0; |
| 1576 | |
| 1577 | for (key = 0; key < KEYMAP_SIZE; key++) |
| 1578 | { |
| 1579 | switch (map[key].type) |
| 1580 | { |
| 1581 | case ISMACR: |
| 1582 | /* Macros match, if, and only if, the pointers are identical. |
| 1583 | Thus, they are treated exactly like functions in here. */ |
| 1584 | case ISFUNC: |
| 1585 | /* If the function in the keymap is the one we are looking for, |
| 1586 | then add the current KEY to the list of invoking keys. */ |
| 1587 | if (map[key].function == function) |
| 1588 | { |
| 1589 | char *keyname; |
| 1590 | |
| 1591 | keyname = _rl_get_keyname (key); |
| 1592 | |
| 1593 | if (result_index + 2 > result_size) |
| 1594 | { |
| 1595 | result_size += 10; |
| 1596 | result = (char **) xrealloc (result, result_size * sizeof (char *)); |
| 1597 | } |
| 1598 | |
| 1599 | result[result_index++] = keyname; |
| 1600 | result[result_index] = (char *)NULL; |
| 1601 | } |
| 1602 | break; |
| 1603 | |
| 1604 | case ISKMAP: |
| 1605 | { |
| 1606 | char **seqs; |
| 1607 | register int i; |
| 1608 | |
| 1609 | /* Find the list of keyseqs in this map which have FUNCTION as |
| 1610 | their target. Add the key sequences found to RESULT. */ |
| 1611 | if (map[key].function) |
| 1612 | seqs = |
| 1613 | rl_invoking_keyseqs_in_map (function, FUNCTION_TO_KEYMAP (map, key)); |
| 1614 | else |
| 1615 | break; |
| 1616 | |
| 1617 | if (seqs == 0) |
| 1618 | break; |
| 1619 | |
| 1620 | for (i = 0; seqs[i]; i++) |
| 1621 | { |
| 1622 | char *keyname = (char *)xmalloc (6 + strlen (seqs[i])); |
| 1623 | |
| 1624 | if (key == ESC) |
| 1625 | sprintf (keyname, "\\e"); |
| 1626 | else if (CTRL_CHAR (key)) |
| 1627 | sprintf (keyname, "\\C-%c", _rl_to_lower (UNCTRL (key))); |
| 1628 | else if (key == RUBOUT) |
| 1629 | sprintf (keyname, "\\C-?"); |
| 1630 | else if (key == '\\' || key == '"') |
| 1631 | { |
| 1632 | keyname[0] = '\\'; |
| 1633 | keyname[1] = (char) key; |
| 1634 | keyname[2] = '\0'; |
| 1635 | } |
| 1636 | else |
| 1637 | { |
| 1638 | keyname[0] = (char) key; |
| 1639 | keyname[1] = '\0'; |
| 1640 | } |
| 1641 | |
| 1642 | strcat (keyname, seqs[i]); |
| 1643 | free (seqs[i]); |
| 1644 | |
| 1645 | if (result_index + 2 > result_size) |
| 1646 | { |
| 1647 | result_size += 10; |
| 1648 | result = (char **) xrealloc (result, result_size * sizeof (char *)); |
| 1649 | } |
| 1650 | |
| 1651 | result[result_index++] = keyname; |
| 1652 | result[result_index] = (char *)NULL; |
| 1653 | } |
| 1654 | |
| 1655 | free (seqs); |
| 1656 | } |
| 1657 | break; |
| 1658 | } |
| 1659 | } |
| 1660 | return (result); |
| 1661 | } |
| 1662 | |
| 1663 | /* Return a NULL terminated array of strings which represent the key |
| 1664 | sequences that can be used to invoke FUNCTION using the current keymap. */ |
| 1665 | char ** |
| 1666 | rl_invoking_keyseqs (function) |
| 1667 | Function *function; |
| 1668 | { |
| 1669 | return (rl_invoking_keyseqs_in_map (function, _rl_keymap)); |
| 1670 | } |
| 1671 | |
| 1672 | /* Print all of the functions and their bindings to rl_outstream. If |
| 1673 | PRINT_READABLY is non-zero, then print the output in such a way |
| 1674 | that it can be read back in. */ |
| 1675 | void |
| 1676 | rl_function_dumper (print_readably) |
| 1677 | int print_readably; |
| 1678 | { |
| 1679 | register int i; |
| 1680 | char **names; |
| 1681 | char *name; |
| 1682 | |
| 1683 | names = rl_funmap_names (); |
| 1684 | |
| 1685 | fprintf (rl_outstream, "\n"); |
| 1686 | |
| 1687 | for (i = 0; name = names[i]; i++) |
| 1688 | { |
| 1689 | Function *function; |
| 1690 | char **invokers; |
| 1691 | |
| 1692 | function = rl_named_function (name); |
| 1693 | invokers = rl_invoking_keyseqs_in_map (function, _rl_keymap); |
| 1694 | |
| 1695 | if (print_readably) |
| 1696 | { |
| 1697 | if (!invokers) |
| 1698 | fprintf (rl_outstream, "# %s (not bound)\n", name); |
| 1699 | else |
| 1700 | { |
| 1701 | register int j; |
| 1702 | |
| 1703 | for (j = 0; invokers[j]; j++) |
| 1704 | { |
| 1705 | fprintf (rl_outstream, "\"%s\": %s\n", |
| 1706 | invokers[j], name); |
| 1707 | free (invokers[j]); |
| 1708 | } |
| 1709 | |
| 1710 | free (invokers); |
| 1711 | } |
| 1712 | } |
| 1713 | else |
| 1714 | { |
| 1715 | if (!invokers) |
| 1716 | fprintf (rl_outstream, "%s is not bound to any keys\n", |
| 1717 | name); |
| 1718 | else |
| 1719 | { |
| 1720 | register int j; |
| 1721 | |
| 1722 | fprintf (rl_outstream, "%s can be found on ", name); |
| 1723 | |
| 1724 | for (j = 0; invokers[j] && j < 5; j++) |
| 1725 | { |
| 1726 | fprintf (rl_outstream, "\"%s\"%s", invokers[j], |
| 1727 | invokers[j + 1] ? ", " : ".\n"); |
| 1728 | } |
| 1729 | |
| 1730 | if (j == 5 && invokers[j]) |
| 1731 | fprintf (rl_outstream, "...\n"); |
| 1732 | |
| 1733 | for (j = 0; invokers[j]; j++) |
| 1734 | free (invokers[j]); |
| 1735 | |
| 1736 | free (invokers); |
| 1737 | } |
| 1738 | } |
| 1739 | } |
| 1740 | } |
| 1741 | |
| 1742 | /* Print all of the current functions and their bindings to |
| 1743 | rl_outstream. If an explicit argument is given, then print |
| 1744 | the output in such a way that it can be read back in. */ |
| 1745 | int |
| 1746 | rl_dump_functions (count, key) |
| 1747 | int count, key; |
| 1748 | { |
| 1749 | if (rl_dispatching) |
| 1750 | fprintf (rl_outstream, "\r\n"); |
| 1751 | rl_function_dumper (rl_explicit_arg); |
| 1752 | rl_on_new_line (); |
| 1753 | return (0); |
| 1754 | } |
| 1755 | |
| 1756 | static void |
| 1757 | _rl_macro_dumper_internal (print_readably, map, prefix) |
| 1758 | int print_readably; |
| 1759 | Keymap map; |
| 1760 | char *prefix; |
| 1761 | { |
| 1762 | register int key; |
| 1763 | char *keyname, *out; |
| 1764 | int prefix_len; |
| 1765 | |
| 1766 | for (key = 0; key < KEYMAP_SIZE; key++) |
| 1767 | { |
| 1768 | switch (map[key].type) |
| 1769 | { |
| 1770 | case ISMACR: |
| 1771 | keyname = _rl_get_keyname (key); |
| 1772 | #if 0 |
| 1773 | out = (char *)map[key].function; |
| 1774 | #else |
| 1775 | out = _rl_untranslate_macro_value ((char *)map[key].function); |
| 1776 | #endif |
| 1777 | if (print_readably) |
| 1778 | fprintf (rl_outstream, "\"%s%s\": \"%s\"\n", prefix ? prefix : "", |
| 1779 | keyname, |
| 1780 | out ? out : ""); |
| 1781 | else |
| 1782 | fprintf (rl_outstream, "%s%s outputs %s\n", prefix ? prefix : "", |
| 1783 | keyname, |
| 1784 | out ? out : ""); |
| 1785 | free (keyname); |
| 1786 | #if 1 |
| 1787 | free (out); |
| 1788 | #endif |
| 1789 | break; |
| 1790 | case ISFUNC: |
| 1791 | break; |
| 1792 | case ISKMAP: |
| 1793 | prefix_len = prefix ? strlen (prefix) : 0; |
| 1794 | if (key == ESC) |
| 1795 | { |
| 1796 | keyname = xmalloc (3 + prefix_len); |
| 1797 | if (prefix) |
| 1798 | strcpy (keyname, prefix); |
| 1799 | keyname[prefix_len] = '\\'; |
| 1800 | keyname[prefix_len + 1] = 'e'; |
| 1801 | keyname[prefix_len + 2] = '\0'; |
| 1802 | } |
| 1803 | else |
| 1804 | { |
| 1805 | keyname = _rl_get_keyname (key); |
| 1806 | if (prefix) |
| 1807 | { |
| 1808 | out = xmalloc (strlen (keyname) + prefix_len + 1); |
| 1809 | strcpy (out, prefix); |
| 1810 | strcpy (out + prefix_len, keyname); |
| 1811 | free (keyname); |
| 1812 | keyname = out; |
| 1813 | } |
| 1814 | } |
| 1815 | |
| 1816 | _rl_macro_dumper_internal (print_readably, FUNCTION_TO_KEYMAP (map, key), keyname); |
| 1817 | free (keyname); |
| 1818 | break; |
| 1819 | } |
| 1820 | } |
| 1821 | } |
| 1822 | |
| 1823 | void |
| 1824 | rl_macro_dumper (print_readably) |
| 1825 | int print_readably; |
| 1826 | { |
| 1827 | _rl_macro_dumper_internal (print_readably, _rl_keymap, (char *)NULL); |
| 1828 | } |
| 1829 | |
| 1830 | int |
| 1831 | rl_dump_macros (count, key) |
| 1832 | int count, key; |
| 1833 | { |
| 1834 | if (rl_dispatching) |
| 1835 | fprintf (rl_outstream, "\r\n"); |
| 1836 | rl_macro_dumper (rl_explicit_arg); |
| 1837 | rl_on_new_line (); |
| 1838 | return (0); |
| 1839 | } |
| 1840 | |
| 1841 | void |
| 1842 | rl_variable_dumper (print_readably) |
| 1843 | int print_readably; |
| 1844 | { |
| 1845 | int i; |
| 1846 | char *kname; |
| 1847 | |
| 1848 | for (i = 0; boolean_varlist[i].name; i++) |
| 1849 | { |
| 1850 | if (print_readably) |
| 1851 | fprintf (rl_outstream, "set %s %s\n", boolean_varlist[i].name, |
| 1852 | *boolean_varlist[i].value ? "on" : "off"); |
| 1853 | else |
| 1854 | fprintf (rl_outstream, "%s is set to `%s'\n", boolean_varlist[i].name, |
| 1855 | *boolean_varlist[i].value ? "on" : "off"); |
| 1856 | } |
| 1857 | |
| 1858 | /* bell-style */ |
| 1859 | switch (_rl_bell_preference) |
| 1860 | { |
| 1861 | case NO_BELL: |
| 1862 | kname = "none"; break; |
| 1863 | case VISIBLE_BELL: |
| 1864 | kname = "visible"; break; |
| 1865 | case AUDIBLE_BELL: |
| 1866 | default: |
| 1867 | kname = "audible"; break; |
| 1868 | } |
| 1869 | if (print_readably) |
| 1870 | fprintf (rl_outstream, "set bell-style %s\n", kname); |
| 1871 | else |
| 1872 | fprintf (rl_outstream, "bell-style is set to `%s'\n", kname); |
| 1873 | |
| 1874 | /* comment-begin */ |
| 1875 | if (print_readably) |
| 1876 | fprintf (rl_outstream, "set comment-begin %s\n", _rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT); |
| 1877 | else |
| 1878 | fprintf (rl_outstream, "comment-begin is set to `%s'\n", _rl_comment_begin ? _rl_comment_begin : ""); |
| 1879 | |
| 1880 | /* completion-query-items */ |
| 1881 | if (print_readably) |
| 1882 | fprintf (rl_outstream, "set completion-query-items %d\n", rl_completion_query_items); |
| 1883 | else |
| 1884 | fprintf (rl_outstream, "completion-query-items is set to `%d'\n", rl_completion_query_items); |
| 1885 | |
| 1886 | /* editing-mode */ |
| 1887 | if (print_readably) |
| 1888 | fprintf (rl_outstream, "set editing-mode %s\n", (rl_editing_mode == emacs_mode) ? "emacs" : "vi"); |
| 1889 | else |
| 1890 | fprintf (rl_outstream, "editing-mode is set to `%s'\n", (rl_editing_mode == emacs_mode) ? "emacs" : "vi"); |
| 1891 | |
| 1892 | /* keymap */ |
| 1893 | kname = rl_get_keymap_name (_rl_keymap); |
| 1894 | if (kname == 0) |
| 1895 | kname = rl_get_keymap_name_from_edit_mode (); |
| 1896 | if (print_readably) |
| 1897 | fprintf (rl_outstream, "set keymap %s\n", kname ? kname : "none"); |
| 1898 | else |
| 1899 | fprintf (rl_outstream, "keymap is set to `%s'\n", kname ? kname : "none"); |
| 1900 | } |
| 1901 | |
| 1902 | /* Print all of the current variables and their values to |
| 1903 | rl_outstream. If an explicit argument is given, then print |
| 1904 | the output in such a way that it can be read back in. */ |
| 1905 | int |
| 1906 | rl_dump_variables (count, key) |
| 1907 | int count, key; |
| 1908 | { |
| 1909 | if (rl_dispatching) |
| 1910 | fprintf (rl_outstream, "\r\n"); |
| 1911 | rl_variable_dumper (rl_explicit_arg); |
| 1912 | rl_on_new_line (); |
| 1913 | return (0); |
| 1914 | } |
| 1915 | |
| 1916 | /* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound. */ |
| 1917 | void |
| 1918 | _rl_bind_if_unbound (keyseq, default_func) |
| 1919 | char *keyseq; |
| 1920 | Function *default_func; |
| 1921 | { |
| 1922 | Function *func; |
| 1923 | |
| 1924 | if (keyseq) |
| 1925 | { |
| 1926 | func = rl_function_of_keyseq (keyseq, _rl_keymap, (int *)NULL); |
| 1927 | if (!func || func == rl_do_lowercase_version) |
| 1928 | rl_set_key (keyseq, default_func, _rl_keymap); |
| 1929 | } |
| 1930 | } |
| 1931 | |
| 1932 | /* Return non-zero if any members of ARRAY are a substring in STRING. */ |
| 1933 | static int |
| 1934 | substring_member_of_array (string, array) |
| 1935 | char *string, **array; |
| 1936 | { |
| 1937 | while (*array) |
| 1938 | { |
| 1939 | if (_rl_strindex (string, *array)) |
| 1940 | return (1); |
| 1941 | array++; |
| 1942 | } |
| 1943 | return (0); |
| 1944 | } |