bind.c 53.1 KB
Newer Older
unknown's avatar
unknown committed
1 2 3 4 5 6 7 8 9
/* bind.c -- key binding and startup file support for the readline library. */

/* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc.

   This file is part of the GNU Readline Library, a library for
   reading lines of text with interactive input and history editing.

   The GNU Readline Library is free software; you can redistribute it
   and/or modify it under the terms of the GNU General Public License
unknown's avatar
unknown committed
10
   as published by the Free Software Foundation; either version 2, or
unknown's avatar
unknown committed
11 12 13 14 15 16 17 18 19 20
   (at your option) any later version.

   The GNU Readline Library is distributed in the hope that it will be
   useful, but WITHOUT ANY WARRANTY; without even the implied warranty
   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   The GNU General Public License is often shipped with GNU software, and
   is generally kept in a file called COPYING or LICENSE.  If you do not
   have a copy of the license, write to the Free Software Foundation,
unknown's avatar
unknown committed
21
   59 Temple Place, Suite 330, Boston, MA 02111 USA. */
22

unknown's avatar
unknown committed
23 24
#define READLINE_LIBRARY

25 26 27 28
#if defined (__TANDEM)
#  include <floss.h>
#endif

29
#include "config_readline.h"
unknown's avatar
unknown committed
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62

#include <stdio.h>
#include <sys/types.h>
#include <fcntl.h>
#if defined (HAVE_SYS_FILE_H)
#  include <sys/file.h>
#endif /* HAVE_SYS_FILE_H */

#if defined (HAVE_UNISTD_H)
#  include <unistd.h>
#endif /* HAVE_UNISTD_H */

#if defined (HAVE_STDLIB_H)
#  include <stdlib.h>
#else
#  include "ansi_stdlib.h"
#endif /* HAVE_STDLIB_H */

#include <errno.h>

#if !defined (errno)
extern int errno;
#endif /* !errno */

#include "posixstat.h"

/* System-specific feature definitions and include files. */
#include "rldefs.h"

/* Some standard library routines. */
#include "readline.h"
#include "history.h"

unknown's avatar
unknown committed
63 64 65 66
#include "rlprivate.h"
#include "rlshell.h"
#include "xmalloc.h"

unknown's avatar
unknown committed
67 68 69 70 71 72 73
#if !defined (strchr) && !defined (__STDC__)
extern char *strchr (), *strrchr ();
#endif /* !strchr && !__STDC__ */

/* Variables exported by this file. */
Keymap rl_binding_keymap;

unknown's avatar
unknown committed
74 75 76 77 78
static char *_rl_read_file PARAMS((char *, size_t *));
static void _rl_init_file_error PARAMS((const char *));
static int _rl_read_init_file PARAMS((const char *, int));
static int glean_key_from_name PARAMS((char *));
static int substring_member_of_array PARAMS((char *, const char **));
unknown's avatar
unknown committed
79

unknown's avatar
unknown committed
80
static int currently_reading_init_file;
unknown's avatar
unknown committed
81

unknown's avatar
unknown committed
82 83
/* used only in this file */
static int _rl_prefer_visible_bell = 1;
unknown's avatar
unknown committed
84 85 86 87 88 89 90

/* **************************************************************** */
/*								    */
/*			Binding keys				    */
/*								    */
/* **************************************************************** */

unknown's avatar
unknown committed
91
/* rl_add_defun (char *name, rl_command_func_t *function, int key)
unknown's avatar
unknown committed
92 93 94 95
   Add NAME to the list of named functions.  Make FUNCTION be the function
   that gets called.  If KEY is not -1, then bind it. */
int
rl_add_defun (name, function, key)
unknown's avatar
unknown committed
96 97
     const char *name;
     rl_command_func_t *function;
unknown's avatar
unknown committed
98 99 100 101 102 103 104 105 106 107 108 109
     int key;
{
  if (key != -1)
    rl_bind_key (key, function);
  rl_add_funmap_entry (name, function);
  return 0;
}

/* Bind KEY to FUNCTION.  Returns non-zero if KEY is out of range. */
int
rl_bind_key (key, function)
     int key;
unknown's avatar
unknown committed
110
     rl_command_func_t *function;
unknown's avatar
unknown committed
111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140
{
  if (key < 0)
    return (key);

  if (META_CHAR (key) && _rl_convert_meta_chars_to_ascii)
    {
      if (_rl_keymap[ESC].type == ISKMAP)
	{
	  Keymap escmap;

	  escmap = FUNCTION_TO_KEYMAP (_rl_keymap, ESC);
	  key = UNMETA (key);
	  escmap[key].type = ISFUNC;
	  escmap[key].function = function;
	  return (0);
	}
      return (key);
    }

  _rl_keymap[key].type = ISFUNC;
  _rl_keymap[key].function = function;
  rl_binding_keymap = _rl_keymap;
  return (0);
}

/* Bind KEY to FUNCTION in MAP.  Returns non-zero in case of invalid
   KEY. */
int
rl_bind_key_in_map (key, function, map)
     int key;
unknown's avatar
unknown committed
141
     rl_command_func_t *function;
unknown's avatar
unknown committed
142 143 144 145 146 147 148 149 150 151 152 153
     Keymap map;
{
  int result;
  Keymap oldmap;

  oldmap = _rl_keymap;
  _rl_keymap = map;
  result = rl_bind_key (key, function);
  _rl_keymap = oldmap;
  return (result);
}

154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181
/* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound.  Right
   now, this is always used to attempt to bind the arrow keys, hence the
   check for rl_vi_movement_mode. */
int
rl_bind_key_if_unbound_in_map (key, default_func, kmap)
     int key;
     rl_command_func_t *default_func;
     Keymap kmap;
{
  char keyseq[2];

  keyseq[0] = (unsigned char)key;
  keyseq[1] = '\0';
  return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, kmap));
}

int
rl_bind_key_if_unbound (key, default_func)
     int key;
     rl_command_func_t *default_func;
{
  char keyseq[2];

  keyseq[0] = (unsigned char)key;
  keyseq[1] = '\0';
  return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, _rl_keymap));
}

unknown's avatar
unknown committed
182 183 184 185 186 187
/* Make KEY do nothing in the currently selected keymap.
   Returns non-zero in case of error. */
int
rl_unbind_key (key)
     int key;
{
unknown's avatar
unknown committed
188
  return (rl_bind_key (key, (rl_command_func_t *)NULL));
unknown's avatar
unknown committed
189 190 191 192 193 194 195 196 197
}

/* Make KEY do nothing in MAP.
   Returns non-zero in case of error. */
int
rl_unbind_key_in_map (key, map)
     int key;
     Keymap map;
{
unknown's avatar
unknown committed
198
  return (rl_bind_key_in_map (key, (rl_command_func_t *)NULL, map));
unknown's avatar
unknown committed
199 200 201 202 203
}

/* Unbind all keys bound to FUNCTION in MAP. */
int
rl_unbind_function_in_map (func, map)
unknown's avatar
unknown committed
204
     rl_command_func_t *func;
unknown's avatar
unknown committed
205 206 207 208 209 210 211 212
     Keymap map;
{
  register int i, rval;

  for (i = rval = 0; i < KEYMAP_SIZE; i++)
    {
      if (map[i].type == ISFUNC && map[i].function == func)
	{
unknown's avatar
unknown committed
213
	  map[i].function = (rl_command_func_t *)NULL;
unknown's avatar
unknown committed
214 215 216 217 218 219 220 221
	  rval = 1;
	}
    }
  return rval;
}

int
rl_unbind_command_in_map (command, map)
unknown's avatar
unknown committed
222
     const char *command;
unknown's avatar
unknown committed
223 224
     Keymap map;
{
unknown's avatar
unknown committed
225
  rl_command_func_t *func;
unknown's avatar
unknown committed
226 227 228 229 230 231 232

  func = rl_named_function (command);
  if (func == 0)
    return 0;
  return (rl_unbind_function_in_map (func, map));
}

233 234 235 236 237 238 239 240 241 242 243
/* Bind the key sequence represented by the string KEYSEQ to
   FUNCTION, starting in the current keymap.  This makes new
   keymaps as necessary. */
int
rl_bind_keyseq (keyseq, function)
     const char *keyseq;
     rl_command_func_t *function;
{
  return (rl_generic_bind (ISFUNC, keyseq, (char *)function, _rl_keymap));
}

unknown's avatar
unknown committed
244 245 246 247
/* Bind the key sequence represented by the string KEYSEQ to
   FUNCTION.  This makes new keymaps as necessary.  The initial
   place to do bindings is in MAP. */
int
248 249 250 251 252 253 254 255 256 257
rl_bind_keyseq_in_map (keyseq, function, map)
     const char *keyseq;
     rl_command_func_t *function;
     Keymap map;
{
  return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map));
}

/* Backwards compatibility; equivalent to rl_bind_keyseq_in_map() */
int
unknown's avatar
unknown committed
258
rl_set_key (keyseq, function, map)
unknown's avatar
unknown committed
259 260
     const char *keyseq;
     rl_command_func_t *function;
unknown's avatar
unknown committed
261 262 263 264 265
     Keymap map;
{
  return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map));
}

266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299
/* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound.  Right
   now, this is always used to attempt to bind the arrow keys, hence the
   check for rl_vi_movement_mode. */
int
rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, kmap)
     const char *keyseq;
     rl_command_func_t *default_func;
     Keymap kmap;
{
  rl_command_func_t *func;

  if (keyseq)
    {
      func = rl_function_of_keyseq (keyseq, kmap, (int *)NULL);
#if defined (VI_MODE)
      if (!func || func == rl_do_lowercase_version || func == rl_vi_movement_mode)
#else
      if (!func || func == rl_do_lowercase_version)
#endif
	return (rl_bind_keyseq_in_map (keyseq, default_func, kmap));
      else
	return 1;
    }
  return 0;
}

int
rl_bind_keyseq_if_unbound (keyseq, default_func)
     const char *keyseq;
     rl_command_func_t *default_func;
{
  return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, _rl_keymap));
}

unknown's avatar
unknown committed
300 301 302 303 304
/* Bind the key sequence represented by the string KEYSEQ to
   the string of characters MACRO.  This makes new keymaps as
   necessary.  The initial place to do bindings is in MAP. */
int
rl_macro_bind (keyseq, macro, map)
unknown's avatar
unknown committed
305
     const char *keyseq, *macro;
unknown's avatar
unknown committed
306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329
     Keymap map;
{
  char *macro_keys;
  int macro_keys_len;

  macro_keys = (char *)xmalloc ((2 * strlen (macro)) + 1);

  if (rl_translate_keyseq (macro, macro_keys, &macro_keys_len))
    {
      free (macro_keys);
      return -1;
    }
  rl_generic_bind (ISMACR, keyseq, macro_keys, map);
  return 0;
}

/* Bind the key sequence represented by the string KEYSEQ to
   the arbitrary pointer DATA.  TYPE says what kind of data is
   pointed to by DATA, right now this can be a function (ISFUNC),
   a macro (ISMACR), or a keymap (ISKMAP).  This makes new keymaps
   as necessary.  The initial place to do bindings is in MAP. */
int
rl_generic_bind (type, keyseq, data, map)
     int type;
unknown's avatar
unknown committed
330 331
     const char *keyseq;
     char *data;
unknown's avatar
unknown committed
332 333 334 335 336
     Keymap map;
{
  char *keys;
  int keys_len;
  register int i;
unknown's avatar
unknown committed
337 338 339
  KEYMAP_ENTRY k;

  k.function = 0;
unknown's avatar
unknown committed
340 341 342 343 344 345 346 347 348

  /* If no keys to bind to, exit right away. */
  if (!keyseq || !*keyseq)
    {
      if (type == ISMACR)
	free (data);
      return -1;
    }

unknown's avatar
unknown committed
349
  keys = (char *)xmalloc (1 + (2 * strlen (keyseq)));
unknown's avatar
unknown committed
350 351 352 353 354 355 356 357 358 359 360 361 362

  /* Translate the ASCII representation of KEYSEQ into an array of
     characters.  Stuff the characters into KEYS, and the length of
     KEYS into KEYS_LEN. */
  if (rl_translate_keyseq (keyseq, keys, &keys_len))
    {
      free (keys);
      return -1;
    }

  /* Bind keys, making new keymaps as necessary. */
  for (i = 0; i < keys_len; i++)
    {
unknown's avatar
unknown committed
363 364 365 366 367 368
      unsigned char uc = keys[i];
      int ic;

      ic = uc;
      if (ic < 0 || ic >= KEYMAP_SIZE)
	return -1;
unknown's avatar
unknown committed
369 370 371 372 373 374 375 376 377 378 379 380

      if (_rl_convert_meta_chars_to_ascii && META_CHAR (ic))
	{
	  ic = UNMETA (ic);
	  if (map[ESC].type == ISKMAP)
	    map = FUNCTION_TO_KEYMAP (map, ESC);
	}

      if ((i + 1) < keys_len)
	{
	  if (map[ic].type != ISKMAP)
	    {
unknown's avatar
unknown committed
381 382 383 384 385 386 387 388
	      /* We allow subsequences of keys.  If a keymap is being
		 created that will `shadow' an existing function or macro
		 key binding, we save that keybinding into the ANYOTHERKEY
		 index in the new map.  The dispatch code will look there
		 to find the function to execute if the subsequence is not
		 matched.  ANYOTHERKEY was chosen to be greater than
		 UCHAR_MAX. */
	      k = map[ic];
unknown's avatar
unknown committed
389 390 391 392 393

	      map[ic].type = ISKMAP;
	      map[ic].function = KEYMAP_TO_FUNCTION (rl_make_bare_keymap());
	    }
	  map = FUNCTION_TO_KEYMAP (map, ic);
unknown's avatar
unknown committed
394 395 396 397 398 399
	  /* The dispatch code will return this function if no matching
	     key sequence is found in the keymap.  This (with a little
	     help from the dispatch code in readline.c) allows `a' to be
	     mapped to something, `abc' to be mapped to something else,
	     and the function bound  to `a' to be executed when the user
	     types `abx', leaving `bx' in the input queue. */
400
	  if (k.function && ((k.type == ISFUNC && k.function != rl_do_lowercase_version) || k.type == ISMACR))
unknown's avatar
unknown committed
401 402 403 404
	    {
	      map[ANYOTHERKEY] = k;
	      k.function = 0;
	    }
unknown's avatar
unknown committed
405 406 407 408 409
	}
      else
	{
	  if (map[ic].type == ISMACR)
	    free ((char *)map[ic].function);
unknown's avatar
unknown committed
410 411 412 413 414
	  else if (map[ic].type == ISKMAP)
	    {
	      map = FUNCTION_TO_KEYMAP (map, ic);
	      ic = ANYOTHERKEY;
	    }
unknown's avatar
unknown committed
415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430

	  map[ic].function = KEYMAP_TO_FUNCTION (data);
	  map[ic].type = type;
	}

      rl_binding_keymap = map;
    }
  free (keys);
  return 0;
}

/* Translate the ASCII representation of SEQ, stuffing the values into ARRAY,
   an array of characters.  LEN gets the final length of ARRAY.  Return
   non-zero if there was an error parsing SEQ. */
int
rl_translate_keyseq (seq, array, len)
unknown's avatar
unknown committed
431 432
     const char *seq;
     char *array;
unknown's avatar
unknown committed
433 434 435 436
     int *len;
{
  register int i, c, l, temp;

437
  for (i = l = 0; c = seq[i]; i++)
unknown's avatar
unknown committed
438 439 440 441 442 443 444 445 446 447 448 449 450 451
    {
      if (c == '\\')
	{
	  c = seq[++i];

	  if (c == 0)
	    break;

	  /* Handle \C- and \M- prefixes. */
	  if ((c == 'C' || c == 'M') && seq[i + 1] == '-')
	    {
	      /* Handle special case of backwards define. */
	      if (strncmp (&seq[i], "C-\\M-", 5) == 0)
		{
unknown's avatar
unknown committed
452
		  array[l++] = ESC;	/* ESC is meta-prefix */
unknown's avatar
unknown committed
453 454 455 456 457 458 459 460
		  i += 5;
		  array[l++] = CTRL (_rl_to_upper (seq[i]));
		  if (seq[i] == '\0')
		    i--;
		}
	      else if (c == 'M')
		{
		  i++;
unknown's avatar
unknown committed
461
		  array[l++] = ESC;	/* ESC is meta-prefix */
unknown's avatar
unknown committed
462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513
		}
	      else if (c == 'C')
		{
		  i += 2;
		  /* Special hack for C-?... */
		  array[l++] = (seq[i] == '?') ? RUBOUT : CTRL (_rl_to_upper (seq[i]));
		}
	      continue;
	    }	      

	  /* Translate other backslash-escaped characters.  These are the
	     same escape sequences that bash's `echo' and `printf' builtins
	     handle, with the addition of \d -> RUBOUT.  A backslash
	     preceding a character that is not special is stripped. */
	  switch (c)
	    {
	    case 'a':
	      array[l++] = '\007';
	      break;
	    case 'b':
	      array[l++] = '\b';
	      break;
	    case 'd':
	      array[l++] = RUBOUT;	/* readline-specific */
	      break;
	    case 'e':
	      array[l++] = ESC;
	      break;
	    case 'f':
	      array[l++] = '\f';
	      break;
	    case 'n':
	      array[l++] = NEWLINE;
	      break;
	    case 'r':
	      array[l++] = RETURN;
	      break;
	    case 't':
	      array[l++] = TAB;
	      break;
	    case 'v':
	      array[l++] = 0x0B;
	      break;
	    case '\\':
	      array[l++] = '\\';
	      break;
	    case '0': case '1': case '2': case '3':
	    case '4': case '5': case '6': case '7':
	      i++;
	      for (temp = 2, c -= '0'; ISOCTAL (seq[i]) && temp--; i++)
	        c = (c * 8) + OCTVALUE (seq[i]);
	      i--;	/* auto-increment in for loop */
unknown's avatar
unknown committed
514
	      array[l++] = c & largest_char;
unknown's avatar
unknown committed
515 516 517
	      break;
	    case 'x':
	      i++;
unknown's avatar
unknown committed
518
	      for (temp = 2, c = 0; ISXDIGIT ((unsigned char)seq[i]) && temp--; i++)
unknown's avatar
unknown committed
519
	        c = (c * 16) + HEXVALUE (seq[i]);
unknown's avatar
unknown committed
520
	      if (temp == 2)
unknown's avatar
unknown committed
521 522
	        c = 'x';
	      i--;	/* auto-increment in for loop */
unknown's avatar
unknown committed
523
	      array[l++] = c & largest_char;
unknown's avatar
unknown committed
524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592
	      break;
	    default:	/* backslashes before non-special chars just add the char */
	      array[l++] = c;
	      break;	/* the backslash is stripped */
	    }
	  continue;
	}

      array[l++] = c;
    }

  *len = l;
  array[l] = '\0';
  return (0);
}

char *
rl_untranslate_keyseq (seq)
     int seq;
{
  static char kseq[16];
  int i, c;

  i = 0;
  c = seq;
  if (META_CHAR (c))
    {
      kseq[i++] = '\\';
      kseq[i++] = 'M';
      kseq[i++] = '-';
      c = UNMETA (c);
    }
  else if (CTRL_CHAR (c))
    {
      kseq[i++] = '\\';
      kseq[i++] = 'C';
      kseq[i++] = '-';
      c = _rl_to_lower (UNCTRL (c));
    }
  else if (c == RUBOUT)
    {
      kseq[i++] = '\\';
      kseq[i++] = 'C';
      kseq[i++] = '-';
      c = '?';
    }

  if (c == ESC)
    {
      kseq[i++] = '\\';
      c = 'e';
    }
  else if (c == '\\' || c == '"')
    {
      kseq[i++] = '\\';
    }

  kseq[i++] = (unsigned char) c;
  kseq[i] = '\0';
  return kseq;
}

static char *
_rl_untranslate_macro_value (seq)
     char *seq;
{
  char *ret, *r, *s;
  int c;

unknown's avatar
unknown committed
593
  r = ret = (char *)xmalloc (7 * strlen (seq) + 1);
unknown's avatar
unknown committed
594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635
  for (s = seq; *s; s++)
    {
      c = *s;
      if (META_CHAR (c))
	{
	  *r++ = '\\';
	  *r++ = 'M';
	  *r++ = '-';
	  c = UNMETA (c);
	}
      else if (CTRL_CHAR (c) && c != ESC)
	{
	  *r++ = '\\';
	  *r++ = 'C';
	  *r++ = '-';
	  c = _rl_to_lower (UNCTRL (c));
	}
      else if (c == RUBOUT)
 	{
 	  *r++ = '\\';
 	  *r++ = 'C';
 	  *r++ = '-';
 	  c = '?';
 	}

      if (c == ESC)
	{
	  *r++ = '\\';
	  c = 'e';
	}
      else if (c == '\\' || c == '"')
	*r++ = '\\';

      *r++ = (unsigned char)c;
    }
  *r = '\0';
  return ret;
}

/* Return a pointer to the function that STRING represents.
   If STRING doesn't have a matching function, then a NULL pointer
   is returned. */
unknown's avatar
unknown committed
636
rl_command_func_t *
unknown's avatar
unknown committed
637
rl_named_function (string)
unknown's avatar
unknown committed
638
     const char *string;
unknown's avatar
unknown committed
639 640 641 642 643 644 645 646
{
  register int i;

  rl_initialize_funmap ();

  for (i = 0; funmap[i]; i++)
    if (_rl_stricmp (funmap[i]->name, string) == 0)
      return (funmap[i]->function);
unknown's avatar
unknown committed
647
  return ((rl_command_func_t *)NULL);
unknown's avatar
unknown committed
648 649 650 651 652 653 654
}

/* Return the function (or macro) definition which would be invoked via
   KEYSEQ if executed in MAP.  If MAP is NULL, then the current keymap is
   used.  TYPE, if non-NULL, is a pointer to an int which will receive the
   type of the object pointed to.  One of ISFUNC (function), ISKMAP (keymap),
   or ISMACR (macro). */
unknown's avatar
unknown committed
655 656 657 658 659
rl_command_func_t *
rl_function_of_keyseq (keyseq, map, type)
     const char *keyseq;
     Keymap map;
     int *type;
unknown's avatar
unknown committed
660 661 662 663 664 665 666 667
{
  register int i;

  if (!map)
    map = _rl_keymap;

  for (i = 0; keyseq && keyseq[i]; i++)
    {
unknown's avatar
unknown committed
668
      unsigned char ic = keyseq[i];
unknown's avatar
unknown committed
669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707

      if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii)
	{
	  if (map[ESC].type != ISKMAP)
	    {
	      if (type)
		*type = map[ESC].type;

	      return (map[ESC].function);
	    }
	  else
	    {
	      map = FUNCTION_TO_KEYMAP (map, ESC);
	      ic = UNMETA (ic);
	    }
	}

      if (map[ic].type == ISKMAP)
	{
	  /* If this is the last key in the key sequence, return the
	     map. */
	  if (!keyseq[i + 1])
	    {
	      if (type)
		*type = ISKMAP;

	      return (map[ic].function);
	    }
	  else
	    map = FUNCTION_TO_KEYMAP (map, ic);
	}
      else
	{
	  if (type)
	    *type = map[ic].type;

	  return (map[ic].function);
	}
    }
unknown's avatar
unknown committed
708
  return ((rl_command_func_t *) NULL);
unknown's avatar
unknown committed
709 710 711 712 713 714
}

/* The last key bindings file read. */
static char *last_readline_init_file = (char *)NULL;

/* The file we're currently reading key bindings from. */
715
static const char *current_readline_init_file;
unknown's avatar
unknown committed
716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758
static int current_readline_init_include_level;
static int current_readline_init_lineno;

/* Read FILENAME into a locally-allocated buffer and return the buffer.
   The size of the buffer is returned in *SIZEP.  Returns NULL if any
   errors were encountered. */
static char *
_rl_read_file (filename, sizep)
     char *filename;
     size_t *sizep;
{
  struct stat finfo;
  size_t file_size;
  char *buffer;
  int i, file;

  if ((stat (filename, &finfo) < 0) || (file = open (filename, O_RDONLY, 0666)) < 0)
    return ((char *)NULL);

  file_size = (size_t)finfo.st_size;

  /* check for overflow on very large files */
  if (file_size != finfo.st_size || file_size + 1 < file_size)
    {
      if (file >= 0)
	close (file);
#if defined (EFBIG)
      errno = EFBIG;
#endif
      return ((char *)NULL);
    }

  /* Read the file into BUFFER. */
  buffer = (char *)xmalloc (file_size + 1);
  i = read (file, buffer, file_size);
  close (file);

  if (i < 0)
    {
      free (buffer);
      return ((char *)NULL);
    }

unknown's avatar
unknown committed
759
  buffer[i] = '\0';
unknown's avatar
unknown committed
760
  if (sizep)
unknown's avatar
unknown committed
761 762
    *sizep = i;

unknown's avatar
unknown committed
763 764 765 766 767
  return (buffer);
}

/* Re-read the current keybindings file. */
int
unknown's avatar
unknown committed
768
rl_re_read_init_file (count, ignore)
769
     int count, ignore;
unknown's avatar
unknown committed
770 771
{
  int r;
unknown's avatar
unknown committed
772
  r = rl_read_init_file ((const char *)NULL);
unknown's avatar
unknown committed
773 774 775 776 777 778 779 780 781 782 783 784
  rl_set_keymap_from_edit_mode ();
  return r;
}

/* Do key bindings from a file.  If FILENAME is NULL it defaults
   to the first non-null filename from this list:
     1. the filename used for the previous call
     2. the value of the shell variable `INPUTRC'
     3. ~/.inputrc
   If the file existed and could be opened and read, 0 is returned,
   otherwise errno is returned. */
int
unknown's avatar
unknown committed
785 786
rl_read_init_file (filename)
     const char *filename;
unknown's avatar
unknown committed
787 788 789 790 791 792
{
  /* Default the filename. */
  if (filename == 0)
    {
      filename = last_readline_init_file;
      if (filename == 0)
unknown's avatar
unknown committed
793
        filename = sh_get_env_value ("INPUTRC");
unknown's avatar
unknown committed
794 795 796 797 798 799 800
      if (filename == 0)
	filename = DEFAULT_INPUTRC;
    }

  if (*filename == 0)
    filename = DEFAULT_INPUTRC;

unknown's avatar
unknown committed
801 802 803 804 805
#if defined (__MSDOS__)
  if (_rl_read_init_file (filename, 0) == 0)
    return 0;
  filename = "~/_inputrc";
#endif
unknown's avatar
unknown committed
806 807 808 809
  return (_rl_read_init_file (filename, 0));
}

static int
unknown's avatar
unknown committed
810 811 812
_rl_read_init_file (filename, include_level)
     const char *filename;
     int include_level;
unknown's avatar
unknown committed
813 814 815 816 817 818 819 820 821 822 823 824 825 826
{
  register int i;
  char *buffer, *openname, *line, *end;
  size_t file_size;

  current_readline_init_file = filename;
  current_readline_init_include_level = include_level;

  openname = tilde_expand (filename);
  buffer = _rl_read_file (openname, &file_size);
  free (openname);

  if (buffer == 0)
    return (errno);
unknown's avatar
unknown committed
827
  
unknown's avatar
unknown committed
828 829 830 831 832 833
  if (include_level == 0 && filename != last_readline_init_file)
    {
      FREE (last_readline_init_file);
      last_readline_init_file = savestring (filename);
    }

unknown's avatar
unknown committed
834 835
  currently_reading_init_file = 1;

unknown's avatar
unknown committed
836 837 838 839 840 841 842 843 844 845
  /* Loop over the lines in the file.  Lines that start with `#' are
     comments; all other lines are commands for readline initialization. */
  current_readline_init_lineno = 1;
  line = buffer;
  end = buffer + file_size;
  while (line < end)
    {
      /* Find the end of this line. */
      for (i = 0; line + i != end && line[i] != '\n'; i++);

unknown's avatar
unknown committed
846 847 848 849 850 851
#if defined (__CYGWIN__)
      /* ``Be liberal in what you accept.'' */
      if (line[i] == '\n' && line[i-1] == '\r')
	line[i - 1] = '\0';
#endif

unknown's avatar
unknown committed
852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871
      /* Mark end of line. */
      line[i] = '\0';

      /* Skip leading whitespace. */
      while (*line && whitespace (*line))
        {
	  line++;
	  i--;
        }

      /* If the line is not a comment, then parse it. */
      if (*line && *line != '#')
	rl_parse_and_bind (line);

      /* Move to the next line. */
      line += i + 1;
      current_readline_init_lineno++;
    }

  free (buffer);
unknown's avatar
unknown committed
872
  currently_reading_init_file = 0;
unknown's avatar
unknown committed
873 874 875 876 877
  return (0);
}

static void
_rl_init_file_error (msg)
unknown's avatar
unknown committed
878
     const char *msg;
unknown's avatar
unknown committed
879
{
unknown's avatar
unknown committed
880 881 882 883 884
  if (currently_reading_init_file)
    fprintf (stderr, "readline: %s: line %d: %s\n", current_readline_init_file,
		     current_readline_init_lineno, msg);
  else
    fprintf (stderr, "readline: %s\n", msg);
unknown's avatar
unknown committed
885 886 887 888 889 890 891 892
}

/* **************************************************************** */
/*								    */
/*			Parser Directives       		    */
/*								    */
/* **************************************************************** */

unknown's avatar
unknown committed
893 894 895 896 897 898 899 900 901 902 903
typedef int _rl_parser_func_t PARAMS((char *));

/* Things that mean `Control'. */
const char *_rl_possible_control_prefixes[] = {
  "Control-", "C-", "CTRL-", (const char *)NULL
};

const char *_rl_possible_meta_prefixes[] = {
  "Meta", "M-", (const char *)NULL
};

unknown's avatar
unknown committed
904 905 906
/* Conditionals. */

/* Calling programs set this to have their argv[0]. */
907
const char *rl_readline_name = "other";
unknown's avatar
unknown committed
908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990

/* Stack of previous values of parsing_conditionalized_out. */
static unsigned char *if_stack = (unsigned char *)NULL;
static int if_stack_depth;
static int if_stack_size;

/* Push _rl_parsing_conditionalized_out, and set parser state based
   on ARGS. */
static int
parser_if (args)
     char *args;
{
  register int i;

  /* Push parser state. */
  if (if_stack_depth + 1 >= if_stack_size)
    {
      if (!if_stack)
	if_stack = (unsigned char *)xmalloc (if_stack_size = 20);
      else
	if_stack = (unsigned char *)xrealloc (if_stack, if_stack_size += 20);
    }
  if_stack[if_stack_depth++] = _rl_parsing_conditionalized_out;

  /* If parsing is turned off, then nothing can turn it back on except
     for finding the matching endif.  In that case, return right now. */
  if (_rl_parsing_conditionalized_out)
    return 0;

  /* Isolate first argument. */
  for (i = 0; args[i] && !whitespace (args[i]); i++);

  if (args[i])
    args[i++] = '\0';

  /* Handle "$if term=foo" and "$if mode=emacs" constructs.  If this
     isn't term=foo, or mode=emacs, then check to see if the first
     word in ARGS is the same as the value stored in rl_readline_name. */
  if (rl_terminal_name && _rl_strnicmp (args, "term=", 5) == 0)
    {
      char *tem, *tname;

      /* Terminals like "aaa-60" are equivalent to "aaa". */
      tname = savestring (rl_terminal_name);
      tem = strchr (tname, '-');
      if (tem)
	*tem = '\0';

      /* Test the `long' and `short' forms of the terminal name so that
	 if someone has a `sun-cmd' and does not want to have bindings
	 that will be executed if the terminal is a `sun', they can put
	 `$if term=sun-cmd' into their .inputrc. */
      _rl_parsing_conditionalized_out = _rl_stricmp (args + 5, tname) &&
					_rl_stricmp (args + 5, rl_terminal_name);
      free (tname);
    }
#if defined (VI_MODE)
  else if (_rl_strnicmp (args, "mode=", 5) == 0)
    {
      int mode;

      if (_rl_stricmp (args + 5, "emacs") == 0)
	mode = emacs_mode;
      else if (_rl_stricmp (args + 5, "vi") == 0)
	mode = vi_mode;
      else
	mode = no_mode;

      _rl_parsing_conditionalized_out = mode != rl_editing_mode;
    }
#endif /* VI_MODE */
  /* Check to see if the first word in ARGS is the same as the
     value stored in rl_readline_name. */
  else if (_rl_stricmp (args, rl_readline_name) == 0)
    _rl_parsing_conditionalized_out = 0;
  else
    _rl_parsing_conditionalized_out = 1;
  return 0;
}

/* Invert the current parser state if there is anything on the stack. */
static int
parser_else (args)
991
     char *args;
unknown's avatar
unknown committed
992 993 994 995 996 997 998 999 1000
{
  register int i;

  if (if_stack_depth == 0)
    {
      _rl_init_file_error ("$else found without matching $if");
      return 0;
    }

1001
#if 0
unknown's avatar
unknown committed
1002 1003 1004
  /* Check the previous (n - 1) levels of the stack to make sure that
     we haven't previously turned off parsing. */
  for (i = 0; i < if_stack_depth - 1; i++)
1005 1006 1007 1008 1009
#else
  /* Check the previous (n) levels of the stack to make sure that
     we haven't previously turned off parsing. */
  for (i = 0; i < if_stack_depth; i++)
#endif
unknown's avatar
unknown committed
1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021
    if (if_stack[i] == 1)
      return 0;

  /* Invert the state of parsing if at top level. */
  _rl_parsing_conditionalized_out = !_rl_parsing_conditionalized_out;
  return 0;
}

/* Terminate a conditional, popping the value of
   _rl_parsing_conditionalized_out from the stack. */
static int
parser_endif (args)
1022
     char *args;
unknown's avatar
unknown committed
1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034
{
  if (if_stack_depth)
    _rl_parsing_conditionalized_out = if_stack[--if_stack_depth];
  else
    _rl_init_file_error ("$endif without matching $if");
  return 0;
}

static int
parser_include (args)
     char *args;
{
1035 1036
  const char *old_init_file;
  char *e;
unknown's avatar
unknown committed
1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048
  int old_line_number, old_include_level, r;

  if (_rl_parsing_conditionalized_out)
    return (0);

  old_init_file = current_readline_init_file;
  old_line_number = current_readline_init_lineno;
  old_include_level = current_readline_init_include_level;

  e = strchr (args, '\n');
  if (e)
    *e = '\0';
unknown's avatar
unknown committed
1049
  r = _rl_read_init_file ((const char *)args, old_include_level + 1);
unknown's avatar
unknown committed
1050 1051 1052 1053 1054 1055 1056

  current_readline_init_file = old_init_file;
  current_readline_init_lineno = old_line_number;
  current_readline_init_include_level = old_include_level;

  return r;
}
unknown's avatar
unknown committed
1057
  
unknown's avatar
unknown committed
1058 1059
/* Associate textual names with actual functions. */
static struct {
1060
  const char *name;
unknown's avatar
unknown committed
1061
  _rl_parser_func_t *function;
unknown's avatar
unknown committed
1062 1063 1064 1065 1066
} parser_directives [] = {
  { "if", parser_if },
  { "endif", parser_endif },
  { "else", parser_else },
  { "include", parser_include },
unknown's avatar
unknown committed
1067
  { (char *)0x0, (_rl_parser_func_t *)0x0 }
unknown's avatar
unknown committed
1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144
};

/* Handle a parser directive.  STATEMENT is the line of the directive
   without any leading `$'. */
static int
handle_parser_directive (statement)
     char *statement;
{
  register int i;
  char *directive, *args;

  /* Isolate the actual directive. */

  /* Skip whitespace. */
  for (i = 0; whitespace (statement[i]); i++);

  directive = &statement[i];

  for (; statement[i] && !whitespace (statement[i]); i++);

  if (statement[i])
    statement[i++] = '\0';

  for (; statement[i] && whitespace (statement[i]); i++);

  args = &statement[i];

  /* Lookup the command, and act on it. */
  for (i = 0; parser_directives[i].name; i++)
    if (_rl_stricmp (directive, parser_directives[i].name) == 0)
      {
	(*parser_directives[i].function) (args);
	return (0);
      }

  /* display an error message about the unknown parser directive */
  _rl_init_file_error ("unknown parser directive");
  return (1);
}

/* Read the binding command from STRING and perform it.
   A key binding command looks like: Keyname: function-name\0,
   a variable binding command looks like: set variable value.
   A new-style keybinding looks like "\C-x\C-x": exchange-point-and-mark. */
int
rl_parse_and_bind (string)
     char *string;
{
  char *funname, *kname;
  register int c, i;
  int key, equivalency;

  while (string && whitespace (*string))
    string++;

  if (!string || !*string || *string == '#')
    return 0;

  /* If this is a parser directive, act on it. */
  if (*string == '$')
    {
      handle_parser_directive (&string[1]);
      return 0;
    }

  /* If we aren't supposed to be parsing right now, then we're done. */
  if (_rl_parsing_conditionalized_out)
    return 0;

  i = 0;
  /* If this keyname is a complex key expression surrounded by quotes,
     advance to after the matching close quote.  This code allows the
     backslash to quote characters in the key expression. */
  if (*string == '"')
    {
      int passc = 0;

1145
      for (i = 1; c = string[i]; i++)
unknown's avatar
unknown committed
1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191
	{
	  if (passc)
	    {
	      passc = 0;
	      continue;
	    }

	  if (c == '\\')
	    {
	      passc++;
	      continue;
	    }

	  if (c == '"')
	    break;
	}
      /* If we didn't find a closing quote, abort the line. */
      if (string[i] == '\0')
        {
          _rl_init_file_error ("no closing `\"' in key binding");
          return 1;
        }
    }

  /* Advance to the colon (:) or whitespace which separates the two objects. */
  for (; (c = string[i]) && c != ':' && c != ' ' && c != '\t'; i++ );

  equivalency = (c == ':' && string[i + 1] == '=');

  /* Mark the end of the command (or keyname). */
  if (string[i])
    string[i++] = '\0';

  /* If doing assignment, skip the '=' sign as well. */
  if (equivalency)
    string[i++] = '\0';

  /* If this is a command to set a variable, then do that. */
  if (_rl_stricmp (string, "set") == 0)
    {
      char *var = string + i;
      char *value;

      /* Make VAR point to start of variable name. */
      while (*var && whitespace (*var)) var++;

unknown's avatar
unknown committed
1192
      /* Make VALUE point to start of value string. */
unknown's avatar
unknown committed
1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220
      value = var;
      while (*value && !whitespace (*value)) value++;
      if (*value)
	*value++ = '\0';
      while (*value && whitespace (*value)) value++;

      rl_variable_bind (var, value);
      return 0;
    }

  /* Skip any whitespace between keyname and funname. */
  for (; string[i] && whitespace (string[i]); i++);
  funname = &string[i];

  /* Now isolate funname.
     For straight function names just look for whitespace, since
     that will signify the end of the string.  But this could be a
     macro definition.  In that case, the string is quoted, so skip
     to the matching delimiter.  We allow the backslash to quote the
     delimiter characters in the macro body. */
  /* This code exists to allow whitespace in macro expansions, which
     would otherwise be gobbled up by the next `for' loop.*/
  /* XXX - it may be desirable to allow backslash quoting only if " is
     the quoted string delimiter, like the shell. */
  if (*funname == '\'' || *funname == '"')
    {
      int delimiter = string[i++], passc;

1221
      for (passc = 0; c = string[i]; i++)
unknown's avatar
unknown committed
1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255
	{
	  if (passc)
	    {
	      passc = 0;
	      continue;
	    }

	  if (c == '\\')
	    {
	      passc = 1;
	      continue;
	    }

	  if (c == delimiter)
	    break;
	}
      if (c)
	i++;
    }

  /* Advance to the end of the string.  */
  for (; string[i] && !whitespace (string[i]); i++);

  /* No extra whitespace at the end of the string. */
  string[i] = '\0';

  /* Handle equivalency bindings here.  Make the left-hand side be exactly
     whatever the right-hand evaluates to, including keymaps. */
  if (equivalency)
    {
      return 0;
    }

  /* If this is a new-style key-binding, then do the binding with
1256
     rl_bind_keyseq ().  Otherwise, let the older code deal with it. */
unknown's avatar
unknown committed
1257 1258 1259 1260 1261
  if (*string == '"')
    {
      char *seq;
      register int j, k, passc;

unknown's avatar
unknown committed
1262
      seq = (char *)xmalloc (1 + strlen (string));
unknown's avatar
unknown committed
1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294
      for (j = 1, k = passc = 0; string[j]; j++)
	{
	  /* Allow backslash to quote characters, but leave them in place.
	     This allows a string to end with a backslash quoting another
	     backslash, or with a backslash quoting a double quote.  The
	     backslashes are left in place for rl_translate_keyseq (). */
	  if (passc || (string[j] == '\\'))
	    {
	      seq[k++] = string[j];
	      passc = !passc;
	      continue;
	    }

	  if (string[j] == '"')
	    break;

	  seq[k++] = string[j];
	}
      seq[k] = '\0';

      /* Binding macro? */
      if (*funname == '\'' || *funname == '"')
	{
	  j = strlen (funname);

	  /* Remove the delimiting quotes from each end of FUNNAME. */
	  if (j && funname[j - 1] == *funname)
	    funname[j - 1] = '\0';

	  rl_macro_bind (seq, &funname[1], _rl_keymap);
	}
      else
1295
	rl_bind_keyseq (seq, rl_named_function (funname));
unknown's avatar
unknown committed
1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310

      free (seq);
      return 0;
    }

  /* Get the actual character we want to deal with. */
  kname = strrchr (string, '-');
  if (!kname)
    kname = string;
  else
    kname++;

  key = glean_key_from_name (kname);

  /* Add in control and meta bits. */
unknown's avatar
unknown committed
1311
  if (substring_member_of_array (string, _rl_possible_control_prefixes))
unknown's avatar
unknown committed
1312 1313
    key = CTRL (_rl_to_upper (key));

unknown's avatar
unknown committed
1314
  if (substring_member_of_array (string, _rl_possible_meta_prefixes))
unknown's avatar
unknown committed
1315 1316 1317 1318 1319
    key = META (key);

  /* Temporary.  Handle old-style keyname with macro-binding. */
  if (*funname == '\'' || *funname == '"')
    {
unknown's avatar
unknown committed
1320
      char useq[2];
unknown's avatar
unknown committed
1321 1322 1323 1324 1325 1326
      int fl = strlen (funname);

      useq[0] = key; useq[1] = '\0';
      if (fl && funname[fl - 1] == *funname)
	funname[fl - 1] = '\0';

unknown's avatar
unknown committed
1327
      rl_macro_bind (useq, &funname[1], _rl_keymap);
unknown's avatar
unknown committed
1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348
    }
#if defined (PREFIX_META_HACK)
  /* Ugly, but working hack to keep prefix-meta around. */
  else if (_rl_stricmp (funname, "prefix-meta") == 0)
    {
      char seq[2];

      seq[0] = key;
      seq[1] = '\0';
      rl_generic_bind (ISKMAP, seq, (char *)emacs_meta_keymap, _rl_keymap);
    }
#endif /* PREFIX_META_HACK */
  else
    rl_bind_key (key, rl_named_function (funname));
  return 0;
}

/* Simple structure for boolean readline variables (i.e., those that can
   have one of two values; either "On" or 1 for truth, or "Off" or 0 for
   false. */

unknown's avatar
unknown committed
1349 1350
#define V_SPECIAL	0x1

unknown's avatar
unknown committed
1351
static struct {
1352
  const char *name;
unknown's avatar
unknown committed
1353
  int *value;
unknown's avatar
unknown committed
1354
  int flags;
unknown's avatar
unknown committed
1355
} boolean_varlist [] = {
unknown's avatar
unknown committed
1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375
  { "blink-matching-paren",	&rl_blink_matching_paren,	V_SPECIAL },
  { "byte-oriented",		&rl_byte_oriented,		0 },
  { "completion-ignore-case",	&_rl_completion_case_fold,	0 },
  { "convert-meta",		&_rl_convert_meta_chars_to_ascii, 0 },
  { "disable-completion",	&rl_inhibit_completion,		0 },
  { "enable-keypad",		&_rl_enable_keypad,		0 },
  { "expand-tilde",		&rl_complete_with_tilde_expansion, 0 },
  { "history-preserve-point",	&_rl_history_preserve_point,	0 },
  { "horizontal-scroll-mode",	&_rl_horizontal_scroll_mode,	0 },
  { "input-meta",		&_rl_meta_flag,			0 },
  { "mark-directories",		&_rl_complete_mark_directories,	0 },
  { "mark-modified-lines",	&_rl_mark_modified_lines,	0 },
  { "mark-symlinked-directories", &_rl_complete_mark_symlink_dirs, 0 },
  { "match-hidden-files",	&_rl_match_hidden_files,	0 },
  { "meta-flag",		&_rl_meta_flag,			0 },
  { "output-meta",		&_rl_output_meta_chars,		0 },
  { "page-completions",		&_rl_page_completions,		0 },
  { "prefer-visible-bell",	&_rl_prefer_visible_bell,	V_SPECIAL },
  { "print-completions-horizontally", &_rl_print_completions_horizontally, 0 },
  { "show-all-if-ambiguous",	&_rl_complete_show_all,		0 },
1376
  { "show-all-if-unmodified",	&_rl_complete_show_unmodified,	0 },
unknown's avatar
unknown committed
1377
#if defined (VISIBLE_STATS)
unknown's avatar
unknown committed
1378
  { "visible-stats",		&rl_visible_stats,		0 },
unknown's avatar
unknown committed
1379
#endif /* VISIBLE_STATS */
1380
  { (char *)NULL, (int *)NULL }
unknown's avatar
unknown committed
1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448
};

static int
find_boolean_var (name)
     const char *name;
{
  register int i;

  for (i = 0; boolean_varlist[i].name; i++)
    if (_rl_stricmp (name, boolean_varlist[i].name) == 0)
      return i;
  return -1;
}

/* Hooks for handling special boolean variables, where a
   function needs to be called or another variable needs
   to be changed when they're changed. */
static void
hack_special_boolean_var (i)
     int i;
{
  const char *name;

  name = boolean_varlist[i].name;

  if (_rl_stricmp (name, "blink-matching-paren") == 0)
    _rl_enable_paren_matching (rl_blink_matching_paren);
  else if (_rl_stricmp (name, "prefer-visible-bell") == 0)
    {
      if (_rl_prefer_visible_bell)
	_rl_bell_preference = VISIBLE_BELL;
      else
	_rl_bell_preference = AUDIBLE_BELL;
    }
}

typedef int _rl_sv_func_t PARAMS((const char *));

/* These *must* correspond to the array indices for the appropriate
   string variable.  (Though they're not used right now.) */
#define V_BELLSTYLE	0
#define V_COMBEGIN	1
#define V_EDITMODE	2
#define V_ISRCHTERM	3
#define V_KEYMAP	4

#define	V_STRING	1
#define V_INT		2

/* Forward declarations */
static int sv_bell_style PARAMS((const char *));
static int sv_combegin PARAMS((const char *));
static int sv_compquery PARAMS((const char *));
static int sv_editmode PARAMS((const char *));
static int sv_isrchterm PARAMS((const char *));
static int sv_keymap PARAMS((const char *));

static struct {
  const char *name;
  int flags;
  _rl_sv_func_t *set_func;
} string_varlist[] = {
  { "bell-style",	V_STRING,	sv_bell_style },
  { "comment-begin",	V_STRING,	sv_combegin },
  { "completion-query-items", V_INT,	sv_compquery },
  { "editing-mode",	V_STRING,	sv_editmode },
  { "isearch-terminators", V_STRING,	sv_isrchterm },
  { "keymap",		V_STRING,	sv_keymap },
1449
  { (char *)NULL,	0 }
unknown's avatar
unknown committed
1450 1451
};

unknown's avatar
unknown committed
1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475
static int
find_string_var (name)
     const char *name;
{
  register int i;

  for (i = 0; string_varlist[i].name; i++)
    if (_rl_stricmp (name, string_varlist[i].name) == 0)
      return i;
  return -1;
}

/* A boolean value that can appear in a `set variable' command is true if
   the value is null or empty, `on' (case-insenstive), or "1".  Any other
   values result in 0 (false). */
static int
bool_to_int (value)
     char *value;
{
  return (value == 0 || *value == '\0' ||
		(_rl_stricmp (value, "on") == 0) ||
		(value[0] == '1' && value[1] == '\0'));
}

unknown's avatar
unknown committed
1476 1477
int
rl_variable_bind (name, value)
unknown's avatar
unknown committed
1478
     const char *name, *value;
unknown's avatar
unknown committed
1479 1480
{
  register int i;
unknown's avatar
unknown committed
1481
  int	v;
unknown's avatar
unknown committed
1482 1483

  /* Check for simple variables first. */
unknown's avatar
unknown committed
1484 1485
  i = find_boolean_var (name);
  if (i >= 0)
unknown's avatar
unknown committed
1486
    {
unknown's avatar
unknown committed
1487 1488 1489 1490
      *boolean_varlist[i].value = bool_to_int (value);
      if (boolean_varlist[i].flags & V_SPECIAL)
	hack_special_boolean_var (i);
      return 0;
unknown's avatar
unknown committed
1491 1492
    }

unknown's avatar
unknown committed
1493 1494 1495 1496 1497 1498
  i = find_string_var (name);

  /* For the time being, unknown variable names or string names without a
     handler function are simply ignored. */
  if (i < 0 || string_varlist[i].set_func == 0)
    return 0;
unknown's avatar
unknown committed
1499

unknown's avatar
unknown committed
1500 1501 1502 1503 1504 1505 1506 1507 1508
  v = (*string_varlist[i].set_func) (value);
  return v;
}

static int
sv_editmode (value)
     const char *value;
{
  if (_rl_strnicmp (value, "vi", 2) == 0)
unknown's avatar
unknown committed
1509 1510
    {
#if defined (VI_MODE)
unknown's avatar
unknown committed
1511 1512
      _rl_keymap = vi_insertion_keymap;
      rl_editing_mode = vi_mode;
unknown's avatar
unknown committed
1513
#endif /* VI_MODE */
unknown's avatar
unknown committed
1514
      return 0;
unknown's avatar
unknown committed
1515
    }
unknown's avatar
unknown committed
1516
  else if (_rl_strnicmp (value, "emacs", 5) == 0)
unknown's avatar
unknown committed
1517
    {
unknown's avatar
unknown committed
1518 1519 1520
      _rl_keymap = emacs_standard_keymap;
      rl_editing_mode = emacs_mode;
      return 0;
unknown's avatar
unknown committed
1521
    }
unknown's avatar
unknown committed
1522 1523 1524 1525 1526 1527 1528 1529
  return 1;
}

static int
sv_combegin (value)
     const char *value;
{
  if (value && *value)
unknown's avatar
unknown committed
1530
    {
unknown's avatar
unknown committed
1531 1532 1533
      FREE (_rl_comment_begin);
      _rl_comment_begin = savestring (value);
      return 0;
unknown's avatar
unknown committed
1534
    }
unknown's avatar
unknown committed
1535 1536 1537 1538 1539 1540 1541 1542 1543 1544
  return 1;
}

static int
sv_compquery (value)
     const char *value;
{
  int nval = 100;

  if (value && *value)
unknown's avatar
unknown committed
1545
    {
unknown's avatar
unknown committed
1546 1547 1548
      nval = atoi (value);
      if (nval < 0)
	nval = 0;
unknown's avatar
unknown committed
1549
    }
unknown's avatar
unknown committed
1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561
  rl_completion_query_items = nval;
  return 0;
}

static int
sv_keymap (value)
     const char *value;
{
  Keymap kmap;

  kmap = rl_get_keymap_by_name (value);
  if (kmap)
unknown's avatar
unknown committed
1562
    {
unknown's avatar
unknown committed
1563 1564
      rl_set_keymap (kmap);
      return 0;
unknown's avatar
unknown committed
1565
    }
unknown's avatar
unknown committed
1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599
  return 1;
}

static int
sv_bell_style (value)
     const char *value;
{
  if (value == 0 || *value == '\0')
    _rl_bell_preference = AUDIBLE_BELL;
  else if (_rl_stricmp (value, "none") == 0 || _rl_stricmp (value, "off") == 0)
    _rl_bell_preference = NO_BELL;
  else if (_rl_stricmp (value, "audible") == 0 || _rl_stricmp (value, "on") == 0)
    _rl_bell_preference = AUDIBLE_BELL;
  else if (_rl_stricmp (value, "visible") == 0)
    _rl_bell_preference = VISIBLE_BELL;
  else
    return 1;
  return 0;
}

static int
sv_isrchterm (value)
     const char *value;
{
  int beg, end, delim;
  char *v;

  if (value == 0)
    return 1;

  /* Isolate the value and translate it into a character string. */
  v = savestring (value);
  FREE (_rl_isearch_terminators);
  if (v[0] == '"' || v[0] == '\'')
unknown's avatar
unknown committed
1600
    {
unknown's avatar
unknown committed
1601 1602 1603
      delim = v[0];
      for (beg = end = 1; v[end] && v[end] != delim; end++)
	;
unknown's avatar
unknown committed
1604
    }
unknown's avatar
unknown committed
1605
  else
unknown's avatar
unknown committed
1606
    {
unknown's avatar
unknown committed
1607 1608 1609
      for (beg = end = 0; whitespace (v[end]) == 0; end++)
	;
    }
unknown's avatar
unknown committed
1610

unknown's avatar
unknown committed
1611
  v[end] = '\0';
unknown's avatar
unknown committed
1612

unknown's avatar
unknown committed
1613 1614 1615 1616
  /* The value starts at v + beg.  Translate it into a character string. */
  _rl_isearch_terminators = (char *)xmalloc (2 * strlen (v) + 1);
  rl_translate_keyseq (v + beg, _rl_isearch_terminators, &end);
  _rl_isearch_terminators[end] = '\0';
unknown's avatar
unknown committed
1617

unknown's avatar
unknown committed
1618
  free (v);
unknown's avatar
unknown committed
1619 1620
  return 0;
}
unknown's avatar
unknown committed
1621
      
unknown's avatar
unknown committed
1622 1623 1624 1625
/* Return the character which matches NAME.
   For example, `Space' returns ' '. */

typedef struct {
1626
  const char *name;
unknown's avatar
unknown committed
1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659
  int value;
} assoc_list;

static assoc_list name_key_alist[] = {
  { "DEL", 0x7f },
  { "ESC", '\033' },
  { "Escape", '\033' },
  { "LFD", '\n' },
  { "Newline", '\n' },
  { "RET", '\r' },
  { "Return", '\r' },
  { "Rubout", 0x7f },
  { "SPC", ' ' },
  { "Space", ' ' },
  { "Tab", 0x09 },
  { (char *)0x0, 0 }
};

static int
glean_key_from_name (name)
     char *name;
{
  register int i;

  for (i = 0; name_key_alist[i].name; i++)
    if (_rl_stricmp (name, name_key_alist[i].name) == 0)
      return (name_key_alist[i].value);

  return (*(unsigned char *)name);	/* XXX was return (*name) */
}

/* Auxiliary functions to manage keymaps. */
static struct {
1660
  const char *name;
unknown's avatar
unknown committed
1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677
  Keymap map;
} keymap_names[] = {
  { "emacs", emacs_standard_keymap },
  { "emacs-standard", emacs_standard_keymap },
  { "emacs-meta", emacs_meta_keymap },
  { "emacs-ctlx", emacs_ctlx_keymap },
#if defined (VI_MODE)
  { "vi", vi_movement_keymap },
  { "vi-move", vi_movement_keymap },
  { "vi-command", vi_movement_keymap },
  { "vi-insert", vi_insertion_keymap },
#endif /* VI_MODE */
  { (char *)0x0, (Keymap)0x0 }
};

Keymap
rl_get_keymap_by_name (name)
unknown's avatar
unknown committed
1678
     const char *name;
unknown's avatar
unknown committed
1679 1680 1681 1682
{
  register int i;

  for (i = 0; keymap_names[i].name; i++)
unknown's avatar
unknown committed
1683
    if (_rl_stricmp (name, keymap_names[i].name) == 0)
unknown's avatar
unknown committed
1684 1685 1686 1687
      return (keymap_names[i].map);
  return ((Keymap) NULL);
}

unknown's avatar
unknown committed
1688
char *
unknown's avatar
unknown committed
1689 1690 1691 1692 1693 1694
rl_get_keymap_name (map)
     Keymap map;
{
  register int i;
  for (i = 0; keymap_names[i].name; i++)
    if (map == keymap_names[i].map)
unknown's avatar
unknown committed
1695
      return ((char *)keymap_names[i].name);
unknown's avatar
unknown committed
1696 1697
  return ((char *)NULL);
}
unknown's avatar
unknown committed
1698
  
unknown's avatar
unknown committed
1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723
void
rl_set_keymap (map)
     Keymap map;
{
  if (map)
    _rl_keymap = map;
}

Keymap
rl_get_keymap ()
{
  return (_rl_keymap);
}

void
rl_set_keymap_from_edit_mode ()
{
  if (rl_editing_mode == emacs_mode)
    _rl_keymap = emacs_standard_keymap;
#if defined (VI_MODE)
  else if (rl_editing_mode == vi_mode)
    _rl_keymap = vi_insertion_keymap;
#endif /* VI_MODE */
}

1724
char *
unknown's avatar
unknown committed
1725 1726 1727
rl_get_keymap_name_from_edit_mode ()
{
  if (rl_editing_mode == emacs_mode)
1728
    return "emacs";
unknown's avatar
unknown committed
1729 1730
#if defined (VI_MODE)
  else if (rl_editing_mode == vi_mode)
1731
    return "vi";
unknown's avatar
unknown committed
1732 1733
#endif /* VI_MODE */
  else
1734
    return "none";
unknown's avatar
unknown committed
1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745
}

/* **************************************************************** */
/*								    */
/*		  Key Binding and Function Information		    */
/*								    */
/* **************************************************************** */

/* Each of the following functions produces information about the
   state of keybindings and functions known to Readline.  The info
   is always printed to rl_outstream, and in such a way that it can
1746
   be read back in (i.e., passed to rl_parse_and_bind ()). */
unknown's avatar
unknown committed
1747 1748 1749 1750 1751 1752

/* Print the names of functions known to Readline. */
void
rl_list_funmap_names ()
{
  register int i;
unknown's avatar
unknown committed
1753
  const char **funmap_names;
unknown's avatar
unknown committed
1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779

  funmap_names = rl_funmap_names ();

  if (!funmap_names)
    return;

  for (i = 0; funmap_names[i]; i++)
    fprintf (rl_outstream, "%s\n", funmap_names[i]);

  free (funmap_names);
}

static char *
_rl_get_keyname (key)
     int key;
{
  char *keyname;
  int i, c;

  keyname = (char *)xmalloc (8);

  c = key;
  /* Since this is going to be used to write out keysequence-function
     pairs for possible inclusion in an inputrc file, we don't want to
     do any special meta processing on KEY. */

unknown's avatar
unknown committed
1780 1781
#if 1
  /* XXX - Experimental */
unknown's avatar
unknown committed
1782 1783 1784 1785 1786 1787
  /* We might want to do this, but the old version of the code did not. */

  /* If this is an escape character, we don't want to do any more processing.
     Just add the special ESC key sequence and return. */
  if (c == ESC)
    {
unknown's avatar
unknown committed
1788 1789 1790 1791
      keyname[0] = '\\';
      keyname[1] = 'e';
      keyname[2] = '\0';
      return keyname;
unknown's avatar
unknown committed
1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843
    }
#endif

  /* RUBOUT is translated directly into \C-? */
  if (key == RUBOUT)
    {
      keyname[0] = '\\';
      keyname[1] = 'C';
      keyname[2] = '-';
      keyname[3] = '?';
      keyname[4] = '\0';
      return keyname;
    }

  i = 0;
  /* Now add special prefixes needed for control characters.  This can
     potentially change C. */
  if (CTRL_CHAR (c))
    {
      keyname[i++] = '\\';
      keyname[i++] = 'C';
      keyname[i++] = '-';
      c = _rl_to_lower (UNCTRL (c));
    }

  /* XXX experimental code.  Turn the characters that are not ASCII or
     ISO Latin 1 (128 - 159) into octal escape sequences (\200 - \237).
     This changes C. */
  if (c >= 128 && c <= 159)
    {
      keyname[i++] = '\\';
      keyname[i++] = '2';
      c -= 128;
      keyname[i++] = (c / 8) + '0';
      c = (c % 8) + '0';
    }

  /* Now, if the character needs to be quoted with a backslash, do that. */
  if (c == '\\' || c == '"')
    keyname[i++] = '\\';

  /* Now add the key, terminate the string, and return it. */
  keyname[i++] = (char) c;
  keyname[i] = '\0';

  return keyname;
}

/* Return a NULL terminated array of strings which represent the key
   sequences that are used to invoke FUNCTION in MAP. */
char **
rl_invoking_keyseqs_in_map (function, map)
unknown's avatar
unknown committed
1844
     rl_command_func_t *function;
unknown's avatar
unknown committed
1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872
     Keymap map;
{
  register int key;
  char **result;
  int result_index, result_size;

  result = (char **)NULL;
  result_index = result_size = 0;

  for (key = 0; key < KEYMAP_SIZE; key++)
    {
      switch (map[key].type)
	{
	case ISMACR:
	  /* Macros match, if, and only if, the pointers are identical.
	     Thus, they are treated exactly like functions in here. */
	case ISFUNC:
	  /* If the function in the keymap is the one we are looking for,
	     then add the current KEY to the list of invoking keys. */
	  if (map[key].function == function)
	    {
	      char *keyname;

	      keyname = _rl_get_keyname (key);

	      if (result_index + 2 > result_size)
	        {
	          result_size += 10;
unknown's avatar
unknown committed
1873
		  result = (char **)xrealloc (result, result_size * sizeof (char *));
unknown's avatar
unknown committed
1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901
	        }

	      result[result_index++] = keyname;
	      result[result_index] = (char *)NULL;
	    }
	  break;

	case ISKMAP:
	  {
	    char **seqs;
	    register int i;

	    /* Find the list of keyseqs in this map which have FUNCTION as
	       their target.  Add the key sequences found to RESULT. */
	    if (map[key].function)
	      seqs =
	        rl_invoking_keyseqs_in_map (function, FUNCTION_TO_KEYMAP (map, key));
	    else
	      break;

	    if (seqs == 0)
	      break;

	    for (i = 0; seqs[i]; i++)
	      {
		char *keyname = (char *)xmalloc (6 + strlen (seqs[i]));

		if (key == ESC)
unknown's avatar
unknown committed
1902
#if 0
unknown's avatar
unknown committed
1903
		  sprintf (keyname, "\\e");
unknown's avatar
unknown committed
1904 1905 1906 1907
#else
		/* XXX - experimental */
		  sprintf (keyname, "\\M-");
#endif
unknown's avatar
unknown committed
1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922
		else if (CTRL_CHAR (key))
		  sprintf (keyname, "\\C-%c", _rl_to_lower (UNCTRL (key)));
		else if (key == RUBOUT)
		  sprintf (keyname, "\\C-?");
		else if (key == '\\' || key == '"')
		  {
		    keyname[0] = '\\';
		    keyname[1] = (char) key;
		    keyname[2] = '\0';
		  }
		else
		  {
		    keyname[0] = (char) key;
		    keyname[1] = '\0';
		  }
unknown's avatar
unknown committed
1923
		
unknown's avatar
unknown committed
1924 1925 1926 1927 1928 1929
		strcat (keyname, seqs[i]);
		free (seqs[i]);

		if (result_index + 2 > result_size)
		  {
		    result_size += 10;
unknown's avatar
unknown committed
1930
		    result = (char **)xrealloc (result, result_size * sizeof (char *));
unknown's avatar
unknown committed
1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948
		  }

		result[result_index++] = keyname;
		result[result_index] = (char *)NULL;
	      }

	    free (seqs);
	  }
	  break;
	}
    }
  return (result);
}

/* Return a NULL terminated array of strings which represent the key
   sequences that can be used to invoke FUNCTION using the current keymap. */
char **
rl_invoking_keyseqs (function)
unknown's avatar
unknown committed
1949
     rl_command_func_t *function;
unknown's avatar
unknown committed
1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961
{
  return (rl_invoking_keyseqs_in_map (function, _rl_keymap));
}

/* Print all of the functions and their bindings to rl_outstream.  If
   PRINT_READABLY is non-zero, then print the output in such a way
   that it can be read back in. */
void
rl_function_dumper (print_readably)
     int print_readably;
{
  register int i;
unknown's avatar
unknown committed
1962 1963
  const char **names;
  const char *name;
unknown's avatar
unknown committed
1964 1965 1966 1967 1968

  names = rl_funmap_names ();

  fprintf (rl_outstream, "\n");

1969
  for (i = 0; name = names[i]; i++)
unknown's avatar
unknown committed
1970
    {
unknown's avatar
unknown committed
1971
      rl_command_func_t *function;
unknown's avatar
unknown committed
1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027
      char **invokers;

      function = rl_named_function (name);
      invokers = rl_invoking_keyseqs_in_map (function, _rl_keymap);

      if (print_readably)
	{
	  if (!invokers)
	    fprintf (rl_outstream, "# %s (not bound)\n", name);
	  else
	    {
	      register int j;

	      for (j = 0; invokers[j]; j++)
		{
		  fprintf (rl_outstream, "\"%s\": %s\n",
			   invokers[j], name);
		  free (invokers[j]);
		}

	      free (invokers);
	    }
	}
      else
	{
	  if (!invokers)
	    fprintf (rl_outstream, "%s is not bound to any keys\n",
		     name);
	  else
	    {
	      register int j;

	      fprintf (rl_outstream, "%s can be found on ", name);

	      for (j = 0; invokers[j] && j < 5; j++)
		{
		  fprintf (rl_outstream, "\"%s\"%s", invokers[j],
			   invokers[j + 1] ? ", " : ".\n");
		}

	      if (j == 5 && invokers[j])
		fprintf (rl_outstream, "...\n");

	      for (j = 0; invokers[j]; j++)
		free (invokers[j]);

	      free (invokers);
	    }
	}
    }
}

/* Print all of the current functions and their bindings to
   rl_outstream.  If an explicit argument is given, then print
   the output in such a way that it can be read back in. */
int
unknown's avatar
unknown committed
2028
rl_dump_functions (count, key)
2029
     int count, key;
unknown's avatar
unknown committed
2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054
{
  if (rl_dispatching)
    fprintf (rl_outstream, "\r\n");
  rl_function_dumper (rl_explicit_arg);
  rl_on_new_line ();
  return (0);
}

static void
_rl_macro_dumper_internal (print_readably, map, prefix)
     int print_readably;
     Keymap map;
     char *prefix;
{
  register int key;
  char *keyname, *out;
  int prefix_len;

  for (key = 0; key < KEYMAP_SIZE; key++)
    {
      switch (map[key].type)
	{
	case ISMACR:
	  keyname = _rl_get_keyname (key);
	  out = _rl_untranslate_macro_value ((char *)map[key].function);
unknown's avatar
unknown committed
2055

unknown's avatar
unknown committed
2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072
	  if (print_readably)
	    fprintf (rl_outstream, "\"%s%s\": \"%s\"\n", prefix ? prefix : "",
						         keyname,
						         out ? out : "");
	  else
	    fprintf (rl_outstream, "%s%s outputs %s\n", prefix ? prefix : "",
							keyname,
							out ? out : "");
	  free (keyname);
	  free (out);
	  break;
	case ISFUNC:
	  break;
	case ISKMAP:
	  prefix_len = prefix ? strlen (prefix) : 0;
	  if (key == ESC)
	    {
unknown's avatar
unknown committed
2073
	      keyname = (char *)xmalloc (3 + prefix_len);
unknown's avatar
unknown committed
2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084
	      if (prefix)
		strcpy (keyname, prefix);
	      keyname[prefix_len] = '\\';
	      keyname[prefix_len + 1] = 'e';
	      keyname[prefix_len + 2] = '\0';
	    }
	  else
	    {
	      keyname = _rl_get_keyname (key);
	      if (prefix)
		{
unknown's avatar
unknown committed
2085
		  out = (char *)xmalloc (strlen (keyname) + prefix_len + 1);
unknown's avatar
unknown committed
2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107
		  strcpy (out, prefix);
		  strcpy (out + prefix_len, keyname);
		  free (keyname);
		  keyname = out;
		}
	    }

	  _rl_macro_dumper_internal (print_readably, FUNCTION_TO_KEYMAP (map, key), keyname);
	  free (keyname);
	  break;
	}
    }
}

void
rl_macro_dumper (print_readably)
     int print_readably;
{
  _rl_macro_dumper_internal (print_readably, _rl_keymap, (char *)NULL);
}

int
unknown's avatar
unknown committed
2108
rl_dump_macros (count, key)
2109
     int count, key;
unknown's avatar
unknown committed
2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2122
{
  if (rl_dispatching)
    fprintf (rl_outstream, "\r\n");
  rl_macro_dumper (rl_explicit_arg);
  rl_on_new_line ();
  return (0);
}

void
rl_variable_dumper (print_readably)
     int print_readably;
{
  int i;
2123
  const char *kname;
unknown's avatar
unknown committed
2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154

  for (i = 0; boolean_varlist[i].name; i++)
    {
      if (print_readably)
        fprintf (rl_outstream, "set %s %s\n", boolean_varlist[i].name,
			       *boolean_varlist[i].value ? "on" : "off");
      else
        fprintf (rl_outstream, "%s is set to `%s'\n", boolean_varlist[i].name,
			       *boolean_varlist[i].value ? "on" : "off");
    }

  /* bell-style */
  switch (_rl_bell_preference)
    {
    case NO_BELL:
      kname = "none"; break;
    case VISIBLE_BELL:
      kname = "visible"; break;
    case AUDIBLE_BELL:
    default:
      kname = "audible"; break;
    }
  if (print_readably)
    fprintf (rl_outstream, "set bell-style %s\n", kname);
  else
    fprintf (rl_outstream, "bell-style is set to `%s'\n", kname);

  /* comment-begin */
  if (print_readably)
    fprintf (rl_outstream, "set comment-begin %s\n", _rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT);
  else
unknown's avatar
unknown committed
2155
    fprintf (rl_outstream, "comment-begin is set to `%s'\n", _rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT);
unknown's avatar
unknown committed
2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182

  /* completion-query-items */
  if (print_readably)
    fprintf (rl_outstream, "set completion-query-items %d\n", rl_completion_query_items);
  else
    fprintf (rl_outstream, "completion-query-items is set to `%d'\n", rl_completion_query_items);

  /* editing-mode */
  if (print_readably)
    fprintf (rl_outstream, "set editing-mode %s\n", (rl_editing_mode == emacs_mode) ? "emacs" : "vi");
  else
    fprintf (rl_outstream, "editing-mode is set to `%s'\n", (rl_editing_mode == emacs_mode) ? "emacs" : "vi");

  /* isearch-terminators */
  if (_rl_isearch_terminators)
    {
      char *disp;

      disp = _rl_untranslate_macro_value (_rl_isearch_terminators);

      if (print_readably)
	fprintf (rl_outstream, "set isearch-terminators \"%s\"\n", disp);
      else
	fprintf (rl_outstream, "isearch-terminators is set to \"%s\"\n", disp);

      free (disp);
    }
unknown's avatar
unknown committed
2183 2184 2185 2186 2187 2188 2189 2190 2191

  /* keymap */
  kname = rl_get_keymap_name (_rl_keymap);
  if (kname == 0)
    kname = rl_get_keymap_name_from_edit_mode ();
  if (print_readably)
    fprintf (rl_outstream, "set keymap %s\n", kname ? kname : "none");
  else
    fprintf (rl_outstream, "keymap is set to `%s'\n", kname ? kname : "none");
unknown's avatar
unknown committed
2192 2193 2194 2195 2196 2197
}

/* Print all of the current variables and their values to
   rl_outstream.  If an explicit argument is given, then print
   the output in such a way that it can be read back in. */
int
unknown's avatar
unknown committed
2198
rl_dump_variables (count, key)
2199
     int count, key;
unknown's avatar
unknown committed
2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210
{
  if (rl_dispatching)
    fprintf (rl_outstream, "\r\n");
  rl_variable_dumper (rl_explicit_arg);
  rl_on_new_line ();
  return (0);
}

/* Return non-zero if any members of ARRAY are a substring in STRING. */
static int
substring_member_of_array (string, array)
unknown's avatar
unknown committed
2211 2212
     char *string;
     const char **array;
unknown's avatar
unknown committed
2213 2214 2215 2216 2217 2218 2219 2220 2221
{
  while (*array)
    {
      if (_rl_strindex (string, *array))
	return (1);
      array++;
    }
  return (0);
}