| 1 | /* vi_mode.c -- A vi emulation mode for Bash. |
| 2 | Derived from code written by Jeff Sparkes (jsparkes@bnr.ca). */ |
| 3 | |
| 4 | /* Copyright (C) 1987, 1989, 1992 Free Software Foundation, Inc. |
| 5 | |
| 6 | This file is part of the GNU Readline Library, a library for |
| 7 | reading lines of text with interactive input and history editing. |
| 8 | |
| 9 | The GNU Readline Library is free software; you can redistribute it |
| 10 | and/or modify it under the terms of the GNU General Public License |
| 11 | as published by the Free Software Foundation; either version 1, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | The GNU Readline Library is distributed in the hope that it will be |
| 15 | useful, but WITHOUT ANY WARRANTY; without even the implied warranty |
| 16 | of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | The GNU General Public License is often shipped with GNU software, and |
| 20 | is generally kept in a file called COPYING or LICENSE. If you do not |
| 21 | have a copy of the license, write to the Free Software Foundation, |
| 22 | 675 Mass Ave, Cambridge, MA 02139, USA. */ |
| 23 | #define READLINE_LIBRARY |
| 24 | |
| 25 | /* **************************************************************** */ |
| 26 | /* */ |
| 27 | /* VI Emulation Mode */ |
| 28 | /* */ |
| 29 | /* **************************************************************** */ |
| 30 | #include "rlconf.h" |
| 31 | |
| 32 | #if defined (VI_MODE) |
| 33 | |
| 34 | #if defined (HAVE_CONFIG_H) |
| 35 | # include <config.h> |
| 36 | #endif |
| 37 | |
| 38 | #include <sys/types.h> |
| 39 | |
| 40 | #if defined (HAVE_STDLIB_H) |
| 41 | # include <stdlib.h> |
| 42 | #else |
| 43 | # include "ansi_stdlib.h" |
| 44 | #endif /* HAVE_STDLIB_H */ |
| 45 | |
| 46 | #if defined (HAVE_UNISTD_H) |
| 47 | # include <unistd.h> |
| 48 | #endif |
| 49 | |
| 50 | #include <stdio.h> |
| 51 | |
| 52 | /* Some standard library routines. */ |
| 53 | #include "rldefs.h" |
| 54 | #include "readline.h" |
| 55 | #include "history.h" |
| 56 | |
| 57 | #ifndef _rl_digit_p |
| 58 | #define _rl_digit_p(c) ((c) >= '0' && (c) <= '9') |
| 59 | #endif |
| 60 | |
| 61 | #ifndef _rl_digit_value |
| 62 | #define _rl_digit_value(c) ((c) - '0') |
| 63 | #endif |
| 64 | |
| 65 | #ifndef member |
| 66 | #define member(c, s) ((c) ? (char *)strchr ((s), (c)) != (char *)NULL : 0) |
| 67 | #endif |
| 68 | |
| 69 | #ifndef isident |
| 70 | #define isident(c) ((_rl_pure_alphabetic (c) || _rl_digit_p (c) || c == '_')) |
| 71 | #endif |
| 72 | |
| 73 | #ifndef exchange |
| 74 | #define exchange(x, y) do {int temp = x; x = y; y = temp;} while (0) |
| 75 | #endif |
| 76 | |
| 77 | extern char *xmalloc (), *xrealloc (); |
| 78 | |
| 79 | /* Variables imported from readline.c */ |
| 80 | extern int rl_point, rl_end, rl_mark; |
| 81 | extern FILE *rl_instream; |
| 82 | extern int rl_line_buffer_len, rl_explicit_arg, rl_numeric_arg; |
| 83 | extern Keymap _rl_keymap; |
| 84 | extern char *rl_prompt; |
| 85 | extern char *rl_line_buffer; |
| 86 | extern int rl_arg_sign; |
| 87 | |
| 88 | extern int _rl_doing_an_undo; |
| 89 | extern int _rl_undo_group_level; |
| 90 | |
| 91 | extern void _rl_dispatch (); |
| 92 | extern int _rl_char_search_internal (); |
| 93 | |
| 94 | extern void rl_extend_line_buffer (); |
| 95 | extern int rl_vi_check (); |
| 96 | |
| 97 | /* Non-zero means enter insertion mode. */ |
| 98 | static int _rl_vi_doing_insert; |
| 99 | |
| 100 | /* Command keys which do movement for xxx_to commands. */ |
| 101 | static char *vi_motion = " hl^$0ftFt;,%wbeWBE|"; |
| 102 | |
| 103 | /* Keymap used for vi replace characters. Created dynamically since |
| 104 | rarely used. */ |
| 105 | static Keymap vi_replace_map; |
| 106 | |
| 107 | /* The number of characters inserted in the last replace operation. */ |
| 108 | static int vi_replace_count; |
| 109 | |
| 110 | /* If non-zero, we have text inserted after a c[motion] command that put |
| 111 | us implicitly into insert mode. Some people want this text to be |
| 112 | attached to the command so that it is `redoable' with `.'. */ |
| 113 | static int vi_continued_command; |
| 114 | static char *vi_insert_buffer; |
| 115 | static int vi_insert_buffer_size; |
| 116 | |
| 117 | static int _rl_vi_last_command = 'i'; /* default `.' puts you in insert mode */ |
| 118 | static int _rl_vi_last_repeat = 1; |
| 119 | static int _rl_vi_last_arg_sign = 1; |
| 120 | static int _rl_vi_last_motion; |
| 121 | static int _rl_vi_last_search_char; |
| 122 | static int _rl_vi_last_replacement; |
| 123 | |
| 124 | static int _rl_vi_last_key_before_insert; |
| 125 | |
| 126 | static int vi_redoing; |
| 127 | |
| 128 | /* Text modification commands. These are the `redoable' commands. */ |
| 129 | static char *vi_textmod = "_*\\AaIiCcDdPpYyRrSsXx~"; |
| 130 | |
| 131 | /* Arrays for the saved marks. */ |
| 132 | static int vi_mark_chars[27]; |
| 133 | |
| 134 | static int rl_digit_loop1 (); |
| 135 | |
| 136 | void |
| 137 | _rl_vi_initialize_line () |
| 138 | { |
| 139 | register int i; |
| 140 | |
| 141 | for (i = 0; i < sizeof (vi_mark_chars) / sizeof (int); i++) |
| 142 | vi_mark_chars[i] = -1; |
| 143 | } |
| 144 | |
| 145 | void |
| 146 | _rl_vi_reset_last () |
| 147 | { |
| 148 | _rl_vi_last_command = 'i'; |
| 149 | _rl_vi_last_repeat = 1; |
| 150 | _rl_vi_last_arg_sign = 1; |
| 151 | _rl_vi_last_motion = 0; |
| 152 | } |
| 153 | |
| 154 | void |
| 155 | _rl_vi_set_last (key, repeat, sign) |
| 156 | int key, repeat, sign; |
| 157 | { |
| 158 | _rl_vi_last_command = key; |
| 159 | _rl_vi_last_repeat = repeat; |
| 160 | _rl_vi_last_arg_sign = sign; |
| 161 | } |
| 162 | |
| 163 | /* Is the command C a VI mode text modification command? */ |
| 164 | int |
| 165 | _rl_vi_textmod_command (c) |
| 166 | int c; |
| 167 | { |
| 168 | return (member (c, vi_textmod)); |
| 169 | } |
| 170 | |
| 171 | static void |
| 172 | _rl_vi_stuff_insert (count) |
| 173 | int count; |
| 174 | { |
| 175 | rl_begin_undo_group (); |
| 176 | while (count--) |
| 177 | rl_insert_text (vi_insert_buffer); |
| 178 | rl_end_undo_group (); |
| 179 | } |
| 180 | |
| 181 | /* Bound to `.'. Called from command mode, so we know that we have to |
| 182 | redo a text modification command. The default for _rl_vi_last_command |
| 183 | puts you back into insert mode. */ |
| 184 | int |
| 185 | rl_vi_redo (count, c) |
| 186 | int count, c; |
| 187 | { |
| 188 | if (!rl_explicit_arg) |
| 189 | { |
| 190 | rl_numeric_arg = _rl_vi_last_repeat; |
| 191 | rl_arg_sign = _rl_vi_last_arg_sign; |
| 192 | } |
| 193 | |
| 194 | vi_redoing = 1; |
| 195 | /* If we're redoing an insert with `i', stuff in the inserted text |
| 196 | and do not go into insertion mode. */ |
| 197 | if (_rl_vi_last_command == 'i' && vi_insert_buffer && *vi_insert_buffer) |
| 198 | { |
| 199 | _rl_vi_stuff_insert (count); |
| 200 | /* And back up point over the last character inserted. */ |
| 201 | if (rl_point > 0) |
| 202 | rl_point--; |
| 203 | } |
| 204 | else |
| 205 | _rl_dispatch (_rl_vi_last_command, _rl_keymap); |
| 206 | vi_redoing = 0; |
| 207 | |
| 208 | return (0); |
| 209 | } |
| 210 | |
| 211 | /* A placeholder for further expansion. */ |
| 212 | int |
| 213 | rl_vi_undo (count, key) |
| 214 | int count, key; |
| 215 | { |
| 216 | return (rl_undo_command (count, key)); |
| 217 | } |
| 218 | |
| 219 | /* Yank the nth arg from the previous line into this line at point. */ |
| 220 | int |
| 221 | rl_vi_yank_arg (count, key) |
| 222 | int count, key; |
| 223 | { |
| 224 | /* Readline thinks that the first word on a line is the 0th, while vi |
| 225 | thinks the first word on a line is the 1st. Compensate. */ |
| 226 | if (rl_explicit_arg) |
| 227 | rl_yank_nth_arg (count - 1, 0); |
| 228 | else |
| 229 | rl_yank_nth_arg ('$', 0); |
| 230 | |
| 231 | return (0); |
| 232 | } |
| 233 | |
| 234 | /* With an argument, move back that many history lines, else move to the |
| 235 | beginning of history. */ |
| 236 | int |
| 237 | rl_vi_fetch_history (count, c) |
| 238 | int count, c; |
| 239 | { |
| 240 | int wanted; |
| 241 | |
| 242 | /* Giving an argument of n means we want the nth command in the history |
| 243 | file. The command number is interpreted the same way that the bash |
| 244 | `history' command does it -- that is, giving an argument count of 450 |
| 245 | to this command would get the command listed as number 450 in the |
| 246 | output of `history'. */ |
| 247 | if (rl_explicit_arg) |
| 248 | { |
| 249 | wanted = history_base + where_history () - count; |
| 250 | if (wanted <= 0) |
| 251 | rl_beginning_of_history (0, 0); |
| 252 | else |
| 253 | rl_get_previous_history (wanted, c); |
| 254 | } |
| 255 | else |
| 256 | rl_beginning_of_history (count, 0); |
| 257 | return (0); |
| 258 | } |
| 259 | |
| 260 | /* Search again for the last thing searched for. */ |
| 261 | int |
| 262 | rl_vi_search_again (count, key) |
| 263 | int count, key; |
| 264 | { |
| 265 | switch (key) |
| 266 | { |
| 267 | case 'n': |
| 268 | rl_noninc_reverse_search_again (count, key); |
| 269 | break; |
| 270 | |
| 271 | case 'N': |
| 272 | rl_noninc_forward_search_again (count, key); |
| 273 | break; |
| 274 | } |
| 275 | return (0); |
| 276 | } |
| 277 | |
| 278 | /* Do a vi style search. */ |
| 279 | int |
| 280 | rl_vi_search (count, key) |
| 281 | int count, key; |
| 282 | { |
| 283 | switch (key) |
| 284 | { |
| 285 | case '?': |
| 286 | rl_noninc_forward_search (count, key); |
| 287 | break; |
| 288 | |
| 289 | case '/': |
| 290 | rl_noninc_reverse_search (count, key); |
| 291 | break; |
| 292 | |
| 293 | default: |
| 294 | ding (); |
| 295 | break; |
| 296 | } |
| 297 | return (0); |
| 298 | } |
| 299 | |
| 300 | /* Completion, from vi's point of view. */ |
| 301 | int |
| 302 | rl_vi_complete (ignore, key) |
| 303 | int ignore, key; |
| 304 | { |
| 305 | if ((rl_point < rl_end) && (!whitespace (rl_line_buffer[rl_point]))) |
| 306 | { |
| 307 | if (!whitespace (rl_line_buffer[rl_point + 1])) |
| 308 | rl_vi_end_word (1, 'E'); |
| 309 | rl_point++; |
| 310 | } |
| 311 | |
| 312 | if (key == '*') |
| 313 | rl_complete_internal ('*'); /* Expansion and replacement. */ |
| 314 | else if (key == '=') |
| 315 | rl_complete_internal ('?'); /* List possible completions. */ |
| 316 | else if (key == '\\') |
| 317 | rl_complete_internal (TAB); /* Standard Readline completion. */ |
| 318 | else |
| 319 | rl_complete (0, key); |
| 320 | |
| 321 | if (key == '*' || key == '\\') |
| 322 | { |
| 323 | _rl_vi_set_last (key, 1, rl_arg_sign); |
| 324 | rl_vi_insertion_mode (1, key); |
| 325 | } |
| 326 | return (0); |
| 327 | } |
| 328 | |
| 329 | /* Tilde expansion for vi mode. */ |
| 330 | int |
| 331 | rl_vi_tilde_expand (ignore, key) |
| 332 | int ignore, key; |
| 333 | { |
| 334 | rl_tilde_expand (0, key); |
| 335 | _rl_vi_set_last (key, 1, rl_arg_sign); /* XXX */ |
| 336 | rl_vi_insertion_mode (1, key); |
| 337 | return (0); |
| 338 | } |
| 339 | |
| 340 | /* Previous word in vi mode. */ |
| 341 | int |
| 342 | rl_vi_prev_word (count, key) |
| 343 | int count, key; |
| 344 | { |
| 345 | if (count < 0) |
| 346 | return (rl_vi_next_word (-count, key)); |
| 347 | |
| 348 | if (rl_point == 0) |
| 349 | { |
| 350 | ding (); |
| 351 | return (0); |
| 352 | } |
| 353 | |
| 354 | if (_rl_uppercase_p (key)) |
| 355 | rl_vi_bWord (count, key); |
| 356 | else |
| 357 | rl_vi_bword (count, key); |
| 358 | |
| 359 | return (0); |
| 360 | } |
| 361 | |
| 362 | /* Next word in vi mode. */ |
| 363 | int |
| 364 | rl_vi_next_word (count, key) |
| 365 | int count, key; |
| 366 | { |
| 367 | if (count < 0) |
| 368 | return (rl_vi_prev_word (-count, key)); |
| 369 | |
| 370 | if (rl_point >= (rl_end - 1)) |
| 371 | { |
| 372 | ding (); |
| 373 | return (0); |
| 374 | } |
| 375 | |
| 376 | if (_rl_uppercase_p (key)) |
| 377 | rl_vi_fWord (count, key); |
| 378 | else |
| 379 | rl_vi_fword (count, key); |
| 380 | return (0); |
| 381 | } |
| 382 | |
| 383 | /* Move to the end of the ?next? word. */ |
| 384 | int |
| 385 | rl_vi_end_word (count, key) |
| 386 | int count, key; |
| 387 | { |
| 388 | if (count < 0) |
| 389 | { |
| 390 | ding (); |
| 391 | return -1; |
| 392 | } |
| 393 | |
| 394 | if (_rl_uppercase_p (key)) |
| 395 | rl_vi_eWord (count, key); |
| 396 | else |
| 397 | rl_vi_eword (count, key); |
| 398 | return (0); |
| 399 | } |
| 400 | |
| 401 | /* Move forward a word the way that 'W' does. */ |
| 402 | int |
| 403 | rl_vi_fWord (count, ignore) |
| 404 | int count, ignore; |
| 405 | { |
| 406 | while (count-- && rl_point < (rl_end - 1)) |
| 407 | { |
| 408 | /* Skip until whitespace. */ |
| 409 | while (!whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 410 | rl_point++; |
| 411 | |
| 412 | /* Now skip whitespace. */ |
| 413 | while (whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 414 | rl_point++; |
| 415 | } |
| 416 | return (0); |
| 417 | } |
| 418 | |
| 419 | int |
| 420 | rl_vi_bWord (count, ignore) |
| 421 | int count, ignore; |
| 422 | { |
| 423 | while (count-- && rl_point > 0) |
| 424 | { |
| 425 | /* If we are at the start of a word, move back to whitespace so |
| 426 | we will go back to the start of the previous word. */ |
| 427 | if (!whitespace (rl_line_buffer[rl_point]) && |
| 428 | whitespace (rl_line_buffer[rl_point - 1])) |
| 429 | rl_point--; |
| 430 | |
| 431 | while (rl_point > 0 && whitespace (rl_line_buffer[rl_point])) |
| 432 | rl_point--; |
| 433 | |
| 434 | if (rl_point > 0) |
| 435 | { |
| 436 | while (--rl_point >= 0 && !whitespace (rl_line_buffer[rl_point])); |
| 437 | rl_point++; |
| 438 | } |
| 439 | } |
| 440 | return (0); |
| 441 | } |
| 442 | |
| 443 | int |
| 444 | rl_vi_eWord (count, ignore) |
| 445 | int count, ignore; |
| 446 | { |
| 447 | while (count-- && rl_point < (rl_end - 1)) |
| 448 | { |
| 449 | if (!whitespace (rl_line_buffer[rl_point])) |
| 450 | rl_point++; |
| 451 | |
| 452 | /* Move to the next non-whitespace character (to the start of the |
| 453 | next word). */ |
| 454 | while (++rl_point < rl_end && whitespace (rl_line_buffer[rl_point])); |
| 455 | |
| 456 | if (rl_point && rl_point < rl_end) |
| 457 | { |
| 458 | /* Skip whitespace. */ |
| 459 | while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point])) |
| 460 | rl_point++; |
| 461 | |
| 462 | /* Skip until whitespace. */ |
| 463 | while (rl_point < rl_end && !whitespace (rl_line_buffer[rl_point])) |
| 464 | rl_point++; |
| 465 | |
| 466 | /* Move back to the last character of the word. */ |
| 467 | rl_point--; |
| 468 | } |
| 469 | } |
| 470 | return (0); |
| 471 | } |
| 472 | |
| 473 | int |
| 474 | rl_vi_fword (count, ignore) |
| 475 | int count, ignore; |
| 476 | { |
| 477 | while (count-- && rl_point < (rl_end - 1)) |
| 478 | { |
| 479 | /* Move to white space (really non-identifer). */ |
| 480 | if (isident (rl_line_buffer[rl_point])) |
| 481 | { |
| 482 | while (isident (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 483 | rl_point++; |
| 484 | } |
| 485 | else /* if (!whitespace (rl_line_buffer[rl_point])) */ |
| 486 | { |
| 487 | while (!isident (rl_line_buffer[rl_point]) && |
| 488 | !whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 489 | rl_point++; |
| 490 | } |
| 491 | |
| 492 | /* Move past whitespace. */ |
| 493 | while (whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 494 | rl_point++; |
| 495 | } |
| 496 | return (0); |
| 497 | } |
| 498 | |
| 499 | int |
| 500 | rl_vi_bword (count, ignore) |
| 501 | int count, ignore; |
| 502 | { |
| 503 | while (count-- && rl_point > 0) |
| 504 | { |
| 505 | int last_is_ident; |
| 506 | |
| 507 | /* If we are at the start of a word, move back to whitespace |
| 508 | so we will go back to the start of the previous word. */ |
| 509 | if (!whitespace (rl_line_buffer[rl_point]) && |
| 510 | whitespace (rl_line_buffer[rl_point - 1])) |
| 511 | rl_point--; |
| 512 | |
| 513 | /* If this character and the previous character are `opposite', move |
| 514 | back so we don't get messed up by the rl_point++ down there in |
| 515 | the while loop. Without this code, words like `l;' screw up the |
| 516 | function. */ |
| 517 | last_is_ident = isident (rl_line_buffer[rl_point - 1]); |
| 518 | if ((isident (rl_line_buffer[rl_point]) && !last_is_ident) || |
| 519 | (!isident (rl_line_buffer[rl_point]) && last_is_ident)) |
| 520 | rl_point--; |
| 521 | |
| 522 | while (rl_point > 0 && whitespace (rl_line_buffer[rl_point])) |
| 523 | rl_point--; |
| 524 | |
| 525 | if (rl_point > 0) |
| 526 | { |
| 527 | if (isident (rl_line_buffer[rl_point])) |
| 528 | while (--rl_point >= 0 && isident (rl_line_buffer[rl_point])); |
| 529 | else |
| 530 | while (--rl_point >= 0 && !isident (rl_line_buffer[rl_point]) && |
| 531 | !whitespace (rl_line_buffer[rl_point])); |
| 532 | rl_point++; |
| 533 | } |
| 534 | } |
| 535 | return (0); |
| 536 | } |
| 537 | |
| 538 | int |
| 539 | rl_vi_eword (count, ignore) |
| 540 | int count, ignore; |
| 541 | { |
| 542 | while (count-- && rl_point < rl_end - 1) |
| 543 | { |
| 544 | if (!whitespace (rl_line_buffer[rl_point])) |
| 545 | rl_point++; |
| 546 | |
| 547 | while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point])) |
| 548 | rl_point++; |
| 549 | |
| 550 | if (rl_point < rl_end) |
| 551 | { |
| 552 | if (isident (rl_line_buffer[rl_point])) |
| 553 | while (++rl_point < rl_end && isident (rl_line_buffer[rl_point])); |
| 554 | else |
| 555 | while (++rl_point < rl_end && !isident (rl_line_buffer[rl_point]) |
| 556 | && !whitespace (rl_line_buffer[rl_point])); |
| 557 | } |
| 558 | rl_point--; |
| 559 | } |
| 560 | return (0); |
| 561 | } |
| 562 | |
| 563 | int |
| 564 | rl_vi_insert_beg (count, key) |
| 565 | int count, key; |
| 566 | { |
| 567 | rl_beg_of_line (1, key); |
| 568 | rl_vi_insertion_mode (1, key); |
| 569 | return (0); |
| 570 | } |
| 571 | |
| 572 | int |
| 573 | rl_vi_append_mode (count, key) |
| 574 | int count, key; |
| 575 | { |
| 576 | if (rl_point < rl_end) |
| 577 | rl_point++; |
| 578 | rl_vi_insertion_mode (1, key); |
| 579 | return (0); |
| 580 | } |
| 581 | |
| 582 | int |
| 583 | rl_vi_append_eol (count, key) |
| 584 | int count, key; |
| 585 | { |
| 586 | rl_end_of_line (1, key); |
| 587 | rl_vi_append_mode (1, key); |
| 588 | return (0); |
| 589 | } |
| 590 | |
| 591 | /* What to do in the case of C-d. */ |
| 592 | int |
| 593 | rl_vi_eof_maybe (count, c) |
| 594 | int count, c; |
| 595 | { |
| 596 | return (rl_newline (1, '\n')); |
| 597 | } |
| 598 | |
| 599 | /* Insertion mode stuff. */ |
| 600 | |
| 601 | /* Switching from one mode to the other really just involves |
| 602 | switching keymaps. */ |
| 603 | int |
| 604 | rl_vi_insertion_mode (count, key) |
| 605 | int count, key; |
| 606 | { |
| 607 | _rl_keymap = vi_insertion_keymap; |
| 608 | _rl_vi_last_key_before_insert = key; |
| 609 | return (0); |
| 610 | } |
| 611 | |
| 612 | static void |
| 613 | _rl_vi_save_insert (up) |
| 614 | UNDO_LIST *up; |
| 615 | { |
| 616 | int len, start, end; |
| 617 | |
| 618 | if (up == 0) |
| 619 | { |
| 620 | if (vi_insert_buffer_size >= 1) |
| 621 | vi_insert_buffer[0] = '\0'; |
| 622 | return; |
| 623 | } |
| 624 | |
| 625 | start = up->start; |
| 626 | end = up->end; |
| 627 | len = end - start + 1; |
| 628 | if (len >= vi_insert_buffer_size) |
| 629 | { |
| 630 | vi_insert_buffer_size += (len + 32) - (len % 32); |
| 631 | vi_insert_buffer = xrealloc (vi_insert_buffer, vi_insert_buffer_size); |
| 632 | } |
| 633 | strncpy (vi_insert_buffer, rl_line_buffer + start, len - 1); |
| 634 | vi_insert_buffer[len-1] = '\0'; |
| 635 | } |
| 636 | |
| 637 | void |
| 638 | _rl_vi_done_inserting () |
| 639 | { |
| 640 | if (_rl_vi_doing_insert) |
| 641 | { |
| 642 | rl_end_undo_group (); |
| 643 | /* Now, the text between rl_undo_list->next->start and |
| 644 | rl_undo_list->next->end is what was inserted while in insert |
| 645 | mode. It gets copied to VI_INSERT_BUFFER because it depends |
| 646 | on absolute indices into the line which may change (though they |
| 647 | probably will not). */ |
| 648 | _rl_vi_doing_insert = 0; |
| 649 | _rl_vi_save_insert (rl_undo_list->next); |
| 650 | vi_continued_command = 1; |
| 651 | } |
| 652 | else |
| 653 | { |
| 654 | if (_rl_vi_last_key_before_insert == 'i' && rl_undo_list) |
| 655 | _rl_vi_save_insert (rl_undo_list); |
| 656 | /* XXX - Other keys probably need to be checked. */ |
| 657 | else if (_rl_vi_last_key_before_insert == 'C') |
| 658 | rl_end_undo_group (); |
| 659 | while (_rl_undo_group_level > 0) |
| 660 | rl_end_undo_group (); |
| 661 | vi_continued_command = 0; |
| 662 | } |
| 663 | } |
| 664 | |
| 665 | int |
| 666 | rl_vi_movement_mode (count, key) |
| 667 | int count, key; |
| 668 | { |
| 669 | if (rl_point > 0) |
| 670 | rl_backward (1, key); |
| 671 | |
| 672 | _rl_keymap = vi_movement_keymap; |
| 673 | _rl_vi_done_inserting (); |
| 674 | return (0); |
| 675 | } |
| 676 | |
| 677 | int |
| 678 | rl_vi_arg_digit (count, c) |
| 679 | int count, c; |
| 680 | { |
| 681 | if (c == '0' && rl_numeric_arg == 1 && !rl_explicit_arg) |
| 682 | return (rl_beg_of_line (1, c)); |
| 683 | else |
| 684 | return (rl_digit_argument (count, c)); |
| 685 | } |
| 686 | |
| 687 | int |
| 688 | rl_vi_change_case (count, ignore) |
| 689 | int count, ignore; |
| 690 | { |
| 691 | char c = 0; |
| 692 | |
| 693 | /* Don't try this on an empty line. */ |
| 694 | if (rl_point >= rl_end) |
| 695 | return (0); |
| 696 | |
| 697 | while (count-- && rl_point < rl_end) |
| 698 | { |
| 699 | if (_rl_uppercase_p (rl_line_buffer[rl_point])) |
| 700 | c = _rl_to_lower (rl_line_buffer[rl_point]); |
| 701 | else if (_rl_lowercase_p (rl_line_buffer[rl_point])) |
| 702 | c = _rl_to_upper (rl_line_buffer[rl_point]); |
| 703 | else |
| 704 | { |
| 705 | /* Just skip over characters neither upper nor lower case. */ |
| 706 | rl_forward (1, c); |
| 707 | continue; |
| 708 | } |
| 709 | |
| 710 | /* Vi is kind of strange here. */ |
| 711 | if (c) |
| 712 | { |
| 713 | rl_begin_undo_group (); |
| 714 | rl_delete (1, c); |
| 715 | rl_insert (1, c); |
| 716 | rl_end_undo_group (); |
| 717 | rl_vi_check (); |
| 718 | } |
| 719 | else |
| 720 | rl_forward (1, c); |
| 721 | } |
| 722 | return (0); |
| 723 | } |
| 724 | |
| 725 | int |
| 726 | rl_vi_put (count, key) |
| 727 | int count, key; |
| 728 | { |
| 729 | if (!_rl_uppercase_p (key) && (rl_point + 1 <= rl_end)) |
| 730 | rl_point++; |
| 731 | |
| 732 | rl_yank (1, key); |
| 733 | rl_backward (1, key); |
| 734 | return (0); |
| 735 | } |
| 736 | |
| 737 | int |
| 738 | rl_vi_check () |
| 739 | { |
| 740 | if (rl_point && rl_point == rl_end) |
| 741 | rl_point--; |
| 742 | return (0); |
| 743 | } |
| 744 | |
| 745 | int |
| 746 | rl_vi_column (count, key) |
| 747 | int count, key; |
| 748 | { |
| 749 | if (count > rl_end) |
| 750 | rl_end_of_line (1, key); |
| 751 | else |
| 752 | rl_point = count - 1; |
| 753 | return (0); |
| 754 | } |
| 755 | |
| 756 | int |
| 757 | rl_vi_domove (key, nextkey) |
| 758 | int key, *nextkey; |
| 759 | { |
| 760 | int c, save; |
| 761 | int old_end; |
| 762 | |
| 763 | rl_mark = rl_point; |
| 764 | c = rl_read_key (); |
| 765 | *nextkey = c; |
| 766 | |
| 767 | if (!member (c, vi_motion)) |
| 768 | { |
| 769 | if (_rl_digit_p (c)) |
| 770 | { |
| 771 | save = rl_numeric_arg; |
| 772 | rl_numeric_arg = _rl_digit_value (c); |
| 773 | rl_digit_loop1 (); |
| 774 | rl_numeric_arg *= save; |
| 775 | c = rl_read_key (); /* real command */ |
| 776 | *nextkey = c; |
| 777 | } |
| 778 | else if (key == c && (key == 'd' || key == 'y' || key == 'c')) |
| 779 | { |
| 780 | rl_mark = rl_end; |
| 781 | rl_beg_of_line (1, c); |
| 782 | _rl_vi_last_motion = c; |
| 783 | return (0); |
| 784 | } |
| 785 | else |
| 786 | return (-1); |
| 787 | } |
| 788 | |
| 789 | _rl_vi_last_motion = c; |
| 790 | |
| 791 | /* Append a blank character temporarily so that the motion routines |
| 792 | work right at the end of the line. */ |
| 793 | old_end = rl_end; |
| 794 | rl_line_buffer[rl_end++] = ' '; |
| 795 | rl_line_buffer[rl_end] = '\0'; |
| 796 | |
| 797 | _rl_dispatch (c, _rl_keymap); |
| 798 | |
| 799 | /* Remove the blank that we added. */ |
| 800 | rl_end = old_end; |
| 801 | rl_line_buffer[rl_end] = '\0'; |
| 802 | if (rl_point > rl_end) |
| 803 | rl_point = rl_end; |
| 804 | |
| 805 | /* No change in position means the command failed. */ |
| 806 | if (rl_mark == rl_point) |
| 807 | return (-1); |
| 808 | |
| 809 | /* rl_vi_f[wW]ord () leaves the cursor on the first character of the next |
| 810 | word. If we are not at the end of the line, and we are on a |
| 811 | non-whitespace character, move back one (presumably to whitespace). */ |
| 812 | if ((_rl_to_upper (c) == 'W') && rl_point < rl_end && rl_point > rl_mark && |
| 813 | !whitespace (rl_line_buffer[rl_point])) |
| 814 | rl_point--; |
| 815 | |
| 816 | /* If cw or cW, back up to the end of a word, so the behaviour of ce |
| 817 | or cE is the actual result. Brute-force, no subtlety. */ |
| 818 | if (key == 'c' && rl_point >= rl_mark && (_rl_to_upper (c) == 'W')) |
| 819 | { |
| 820 | /* Don't move farther back than where we started. */ |
| 821 | while (rl_point > rl_mark && whitespace (rl_line_buffer[rl_point])) |
| 822 | rl_point--; |
| 823 | |
| 824 | /* Posix.2 says that if cw or cW moves the cursor towards the end of |
| 825 | the line, the character under the cursor should be deleted. */ |
| 826 | if (rl_point == rl_mark) |
| 827 | rl_point++; |
| 828 | else |
| 829 | { |
| 830 | /* Move past the end of the word so that the kill doesn't |
| 831 | remove the last letter of the previous word. Only do this |
| 832 | if we are not at the end of the line. */ |
| 833 | if (rl_point >= 0 && rl_point < (rl_end - 1) && !whitespace (rl_line_buffer[rl_point])) |
| 834 | rl_point++; |
| 835 | } |
| 836 | } |
| 837 | |
| 838 | if (rl_mark < rl_point) |
| 839 | exchange (rl_point, rl_mark); |
| 840 | |
| 841 | return (0); |
| 842 | } |
| 843 | |
| 844 | /* A simplified loop for vi. Don't dispatch key at end. |
| 845 | Don't recognize minus sign? */ |
| 846 | static int |
| 847 | rl_digit_loop1 () |
| 848 | { |
| 849 | int key, c; |
| 850 | |
| 851 | while (1) |
| 852 | { |
| 853 | rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg, 0); |
| 854 | key = c = rl_read_key (); |
| 855 | |
| 856 | if (_rl_keymap[c].type == ISFUNC && |
| 857 | _rl_keymap[c].function == rl_universal_argument) |
| 858 | { |
| 859 | rl_numeric_arg *= 4; |
| 860 | continue; |
| 861 | } |
| 862 | |
| 863 | c = UNMETA (c); |
| 864 | if (_rl_digit_p (c)) |
| 865 | { |
| 866 | if (rl_explicit_arg) |
| 867 | rl_numeric_arg = (rl_numeric_arg * 10) + _rl_digit_value (c); |
| 868 | else |
| 869 | rl_numeric_arg = _rl_digit_value (c); |
| 870 | rl_explicit_arg = 1; |
| 871 | } |
| 872 | else |
| 873 | { |
| 874 | rl_clear_message (); |
| 875 | rl_stuff_char (key); |
| 876 | break; |
| 877 | } |
| 878 | } |
| 879 | return (0); |
| 880 | } |
| 881 | |
| 882 | int |
| 883 | rl_vi_delete_to (count, key) |
| 884 | int count, key; |
| 885 | { |
| 886 | int c; |
| 887 | |
| 888 | if (_rl_uppercase_p (key)) |
| 889 | rl_stuff_char ('$'); |
| 890 | else if (vi_redoing) |
| 891 | rl_stuff_char (_rl_vi_last_motion); |
| 892 | |
| 893 | if (rl_vi_domove (key, &c)) |
| 894 | { |
| 895 | ding (); |
| 896 | return -1; |
| 897 | } |
| 898 | |
| 899 | /* These are the motion commands that do not require adjusting the |
| 900 | mark. */ |
| 901 | if ((strchr (" l|h^0bB", c) == 0) && (rl_mark < rl_end)) |
| 902 | rl_mark++; |
| 903 | |
| 904 | rl_kill_text (rl_point, rl_mark); |
| 905 | return (0); |
| 906 | } |
| 907 | |
| 908 | int |
| 909 | rl_vi_change_to (count, key) |
| 910 | int count, key; |
| 911 | { |
| 912 | int c, start_pos; |
| 913 | |
| 914 | if (_rl_uppercase_p (key)) |
| 915 | rl_stuff_char ('$'); |
| 916 | else if (vi_redoing) |
| 917 | rl_stuff_char (_rl_vi_last_motion); |
| 918 | |
| 919 | start_pos = rl_point; |
| 920 | |
| 921 | if (rl_vi_domove (key, &c)) |
| 922 | { |
| 923 | ding (); |
| 924 | return -1; |
| 925 | } |
| 926 | |
| 927 | /* These are the motion commands that do not require adjusting the |
| 928 | mark. c[wW] are handled by special-case code in rl_vi_domove(), |
| 929 | and already leave the mark at the correct location. */ |
| 930 | if ((strchr (" l|hwW^0bB", c) == 0) && (rl_mark < rl_end)) |
| 931 | rl_mark++; |
| 932 | |
| 933 | /* The cursor never moves with c[wW]. */ |
| 934 | if ((_rl_to_upper (c) == 'W') && rl_point < start_pos) |
| 935 | rl_point = start_pos; |
| 936 | |
| 937 | if (vi_redoing) |
| 938 | { |
| 939 | if (vi_insert_buffer && *vi_insert_buffer) |
| 940 | rl_begin_undo_group (); |
| 941 | rl_delete_text (rl_point, rl_mark); |
| 942 | if (vi_insert_buffer && *vi_insert_buffer) |
| 943 | { |
| 944 | rl_insert_text (vi_insert_buffer); |
| 945 | rl_end_undo_group (); |
| 946 | } |
| 947 | } |
| 948 | else |
| 949 | { |
| 950 | rl_begin_undo_group (); /* to make the `u' command work */ |
| 951 | rl_kill_text (rl_point, rl_mark); |
| 952 | /* `C' does not save the text inserted for undoing or redoing. */ |
| 953 | if (_rl_uppercase_p (key) == 0) |
| 954 | _rl_vi_doing_insert = 1; |
| 955 | _rl_vi_set_last (key, count, rl_arg_sign); |
| 956 | rl_vi_insertion_mode (1, key); |
| 957 | } |
| 958 | |
| 959 | return (0); |
| 960 | } |
| 961 | |
| 962 | int |
| 963 | rl_vi_yank_to (count, key) |
| 964 | int count, key; |
| 965 | { |
| 966 | int c, save = rl_point; |
| 967 | |
| 968 | if (_rl_uppercase_p (key)) |
| 969 | rl_stuff_char ('$'); |
| 970 | |
| 971 | if (rl_vi_domove (key, &c)) |
| 972 | { |
| 973 | ding (); |
| 974 | return -1; |
| 975 | } |
| 976 | |
| 977 | /* These are the motion commands that do not require adjusting the |
| 978 | mark. */ |
| 979 | if ((strchr (" l|h^0%bB", c) == 0) && (rl_mark < rl_end)) |
| 980 | rl_mark++; |
| 981 | |
| 982 | rl_begin_undo_group (); |
| 983 | rl_kill_text (rl_point, rl_mark); |
| 984 | rl_end_undo_group (); |
| 985 | rl_do_undo (); |
| 986 | rl_point = save; |
| 987 | |
| 988 | return (0); |
| 989 | } |
| 990 | |
| 991 | int |
| 992 | rl_vi_delete (count, key) |
| 993 | int count, key; |
| 994 | { |
| 995 | int end; |
| 996 | |
| 997 | if (rl_end == 0) |
| 998 | { |
| 999 | ding (); |
| 1000 | return -1; |
| 1001 | } |
| 1002 | |
| 1003 | end = rl_point + count; |
| 1004 | |
| 1005 | if (end >= rl_end) |
| 1006 | end = rl_end; |
| 1007 | |
| 1008 | rl_kill_text (rl_point, end); |
| 1009 | |
| 1010 | if (rl_point > 0 && rl_point == rl_end) |
| 1011 | rl_backward (1, key); |
| 1012 | return (0); |
| 1013 | } |
| 1014 | |
| 1015 | int |
| 1016 | rl_vi_back_to_indent (count, key) |
| 1017 | int count, key; |
| 1018 | { |
| 1019 | rl_beg_of_line (1, key); |
| 1020 | while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point])) |
| 1021 | rl_point++; |
| 1022 | return (0); |
| 1023 | } |
| 1024 | |
| 1025 | int |
| 1026 | rl_vi_first_print (count, key) |
| 1027 | int count, key; |
| 1028 | { |
| 1029 | return (rl_vi_back_to_indent (1, key)); |
| 1030 | } |
| 1031 | |
| 1032 | int |
| 1033 | rl_vi_char_search (count, key) |
| 1034 | int count, key; |
| 1035 | { |
| 1036 | static char target; |
| 1037 | static int orig_dir, dir; |
| 1038 | |
| 1039 | if (key == ';' || key == ',') |
| 1040 | dir = key == ';' ? orig_dir : -orig_dir; |
| 1041 | else |
| 1042 | { |
| 1043 | if (vi_redoing) |
| 1044 | target = _rl_vi_last_search_char; |
| 1045 | else |
| 1046 | _rl_vi_last_search_char = target = rl_getc (rl_instream); |
| 1047 | |
| 1048 | switch (key) |
| 1049 | { |
| 1050 | case 't': |
| 1051 | orig_dir = dir = FTO; |
| 1052 | break; |
| 1053 | |
| 1054 | case 'T': |
| 1055 | orig_dir = dir = BTO; |
| 1056 | break; |
| 1057 | |
| 1058 | case 'f': |
| 1059 | orig_dir = dir = FFIND; |
| 1060 | break; |
| 1061 | |
| 1062 | case 'F': |
| 1063 | orig_dir = dir = BFIND; |
| 1064 | break; |
| 1065 | } |
| 1066 | } |
| 1067 | |
| 1068 | return (_rl_char_search_internal (count, dir, target)); |
| 1069 | } |
| 1070 | |
| 1071 | /* Match brackets */ |
| 1072 | int |
| 1073 | rl_vi_match (ignore, key) |
| 1074 | int ignore, key; |
| 1075 | { |
| 1076 | int count = 1, brack, pos; |
| 1077 | |
| 1078 | pos = rl_point; |
| 1079 | if ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0) |
| 1080 | { |
| 1081 | while ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0 && |
| 1082 | rl_point < rl_end - 1) |
| 1083 | rl_forward (1, key); |
| 1084 | |
| 1085 | if (brack <= 0) |
| 1086 | { |
| 1087 | rl_point = pos; |
| 1088 | ding (); |
| 1089 | return -1; |
| 1090 | } |
| 1091 | } |
| 1092 | |
| 1093 | pos = rl_point; |
| 1094 | |
| 1095 | if (brack < 0) |
| 1096 | { |
| 1097 | while (count) |
| 1098 | { |
| 1099 | if (--pos >= 0) |
| 1100 | { |
| 1101 | int b = rl_vi_bracktype (rl_line_buffer[pos]); |
| 1102 | if (b == -brack) |
| 1103 | count--; |
| 1104 | else if (b == brack) |
| 1105 | count++; |
| 1106 | } |
| 1107 | else |
| 1108 | { |
| 1109 | ding (); |
| 1110 | return -1; |
| 1111 | } |
| 1112 | } |
| 1113 | } |
| 1114 | else |
| 1115 | { /* brack > 0 */ |
| 1116 | while (count) |
| 1117 | { |
| 1118 | if (++pos < rl_end) |
| 1119 | { |
| 1120 | int b = rl_vi_bracktype (rl_line_buffer[pos]); |
| 1121 | if (b == -brack) |
| 1122 | count--; |
| 1123 | else if (b == brack) |
| 1124 | count++; |
| 1125 | } |
| 1126 | else |
| 1127 | { |
| 1128 | ding (); |
| 1129 | return -1; |
| 1130 | } |
| 1131 | } |
| 1132 | } |
| 1133 | rl_point = pos; |
| 1134 | return (0); |
| 1135 | } |
| 1136 | |
| 1137 | int |
| 1138 | rl_vi_bracktype (c) |
| 1139 | int c; |
| 1140 | { |
| 1141 | switch (c) |
| 1142 | { |
| 1143 | case '(': return 1; |
| 1144 | case ')': return -1; |
| 1145 | case '[': return 2; |
| 1146 | case ']': return -2; |
| 1147 | case '{': return 3; |
| 1148 | case '}': return -3; |
| 1149 | default: return 0; |
| 1150 | } |
| 1151 | } |
| 1152 | |
| 1153 | int |
| 1154 | rl_vi_change_char (count, key) |
| 1155 | int count, key; |
| 1156 | { |
| 1157 | int c; |
| 1158 | |
| 1159 | if (vi_redoing) |
| 1160 | c = _rl_vi_last_replacement; |
| 1161 | else |
| 1162 | _rl_vi_last_replacement = c = rl_getc (rl_instream); |
| 1163 | |
| 1164 | if (c == '\033' || c == CTRL ('C')) |
| 1165 | return -1; |
| 1166 | |
| 1167 | while (count-- && rl_point < rl_end) |
| 1168 | { |
| 1169 | rl_begin_undo_group (); |
| 1170 | |
| 1171 | rl_delete (1, c); |
| 1172 | rl_insert (1, c); |
| 1173 | if (count == 0) |
| 1174 | rl_backward (1, c); |
| 1175 | |
| 1176 | rl_end_undo_group (); |
| 1177 | } |
| 1178 | return (0); |
| 1179 | } |
| 1180 | |
| 1181 | int |
| 1182 | rl_vi_subst (count, key) |
| 1183 | int count, key; |
| 1184 | { |
| 1185 | rl_begin_undo_group (); |
| 1186 | |
| 1187 | if (_rl_uppercase_p (key)) |
| 1188 | { |
| 1189 | rl_beg_of_line (1, key); |
| 1190 | rl_kill_line (1, key); |
| 1191 | } |
| 1192 | else |
| 1193 | rl_delete_text (rl_point, rl_point+count); |
| 1194 | |
| 1195 | rl_end_undo_group (); |
| 1196 | |
| 1197 | _rl_vi_set_last (key, count, rl_arg_sign); |
| 1198 | |
| 1199 | if (vi_redoing) |
| 1200 | { |
| 1201 | int o = _rl_doing_an_undo; |
| 1202 | |
| 1203 | _rl_doing_an_undo = 1; |
| 1204 | if (vi_insert_buffer && *vi_insert_buffer) |
| 1205 | rl_insert_text (vi_insert_buffer); |
| 1206 | _rl_doing_an_undo = o; |
| 1207 | } |
| 1208 | else |
| 1209 | { |
| 1210 | rl_begin_undo_group (); |
| 1211 | _rl_vi_doing_insert = 1; |
| 1212 | rl_vi_insertion_mode (1, key); |
| 1213 | } |
| 1214 | |
| 1215 | return (0); |
| 1216 | } |
| 1217 | |
| 1218 | int |
| 1219 | rl_vi_overstrike (count, key) |
| 1220 | int count, key; |
| 1221 | { |
| 1222 | int i; |
| 1223 | |
| 1224 | if (_rl_vi_doing_insert == 0) |
| 1225 | { |
| 1226 | _rl_vi_doing_insert = 1; |
| 1227 | rl_begin_undo_group (); |
| 1228 | } |
| 1229 | |
| 1230 | for (i = 0; i < count; i++) |
| 1231 | { |
| 1232 | vi_replace_count++; |
| 1233 | rl_begin_undo_group (); |
| 1234 | |
| 1235 | if (rl_point < rl_end) |
| 1236 | { |
| 1237 | rl_delete (1, key); |
| 1238 | rl_insert (1, key); |
| 1239 | } |
| 1240 | else |
| 1241 | rl_insert (1, key); |
| 1242 | |
| 1243 | rl_end_undo_group (); |
| 1244 | } |
| 1245 | return (0); |
| 1246 | } |
| 1247 | |
| 1248 | int |
| 1249 | rl_vi_overstrike_delete (count, key) |
| 1250 | int count, key; |
| 1251 | { |
| 1252 | int i, s; |
| 1253 | |
| 1254 | for (i = 0; i < count; i++) |
| 1255 | { |
| 1256 | if (vi_replace_count == 0) |
| 1257 | { |
| 1258 | ding (); |
| 1259 | break; |
| 1260 | } |
| 1261 | s = rl_point; |
| 1262 | |
| 1263 | if (rl_do_undo ()) |
| 1264 | vi_replace_count--; |
| 1265 | |
| 1266 | if (rl_point == s) |
| 1267 | rl_backward (1, key); |
| 1268 | } |
| 1269 | |
| 1270 | if (vi_replace_count == 0 && _rl_vi_doing_insert) |
| 1271 | { |
| 1272 | rl_end_undo_group (); |
| 1273 | rl_do_undo (); |
| 1274 | _rl_vi_doing_insert = 0; |
| 1275 | } |
| 1276 | return (0); |
| 1277 | } |
| 1278 | |
| 1279 | int |
| 1280 | rl_vi_replace (count, key) |
| 1281 | int count, key; |
| 1282 | { |
| 1283 | int i; |
| 1284 | |
| 1285 | vi_replace_count = 0; |
| 1286 | |
| 1287 | if (!vi_replace_map) |
| 1288 | { |
| 1289 | vi_replace_map = rl_make_bare_keymap (); |
| 1290 | |
| 1291 | for (i = ' '; i < KEYMAP_SIZE; i++) |
| 1292 | vi_replace_map[i].function = rl_vi_overstrike; |
| 1293 | |
| 1294 | vi_replace_map[RUBOUT].function = rl_vi_overstrike_delete; |
| 1295 | vi_replace_map[ESC].function = rl_vi_movement_mode; |
| 1296 | vi_replace_map[RETURN].function = rl_newline; |
| 1297 | vi_replace_map[NEWLINE].function = rl_newline; |
| 1298 | |
| 1299 | /* If the normal vi insertion keymap has ^H bound to erase, do the |
| 1300 | same here. Probably should remove the assignment to RUBOUT up |
| 1301 | there, but I don't think it will make a difference in real life. */ |
| 1302 | if (vi_insertion_keymap[CTRL ('H')].type == ISFUNC && |
| 1303 | vi_insertion_keymap[CTRL ('H')].function == rl_rubout) |
| 1304 | vi_replace_map[CTRL ('H')].function = rl_vi_overstrike_delete; |
| 1305 | |
| 1306 | } |
| 1307 | _rl_keymap = vi_replace_map; |
| 1308 | return (0); |
| 1309 | } |
| 1310 | |
| 1311 | #if 0 |
| 1312 | /* Try to complete the word we are standing on or the word that ends with |
| 1313 | the previous character. A space matches everything. Word delimiters are |
| 1314 | space and ;. */ |
| 1315 | int |
| 1316 | rl_vi_possible_completions() |
| 1317 | { |
| 1318 | int save_pos = rl_point; |
| 1319 | |
| 1320 | if (rl_line_buffer[rl_point] != ' ' && rl_line_buffer[rl_point] != ';') |
| 1321 | { |
| 1322 | while (rl_point < rl_end && rl_line_buffer[rl_point] != ' ' && |
| 1323 | rl_line_buffer[rl_point] != ';') |
| 1324 | rl_point++; |
| 1325 | } |
| 1326 | else if (rl_line_buffer[rl_point - 1] == ';') |
| 1327 | { |
| 1328 | ding (); |
| 1329 | return (0); |
| 1330 | } |
| 1331 | |
| 1332 | rl_possible_completions (); |
| 1333 | rl_point = save_pos; |
| 1334 | |
| 1335 | return (0); |
| 1336 | } |
| 1337 | #endif |
| 1338 | |
| 1339 | /* Functions to save and restore marks. */ |
| 1340 | int |
| 1341 | rl_vi_set_mark (count, key) |
| 1342 | int count, key; |
| 1343 | { |
| 1344 | int ch; |
| 1345 | |
| 1346 | ch = rl_read_key (); |
| 1347 | if (_rl_lowercase_p (ch) == 0) |
| 1348 | { |
| 1349 | ding (); |
| 1350 | return -1; |
| 1351 | } |
| 1352 | ch -= 'a'; |
| 1353 | vi_mark_chars[ch] = rl_point; |
| 1354 | return 0; |
| 1355 | } |
| 1356 | |
| 1357 | int |
| 1358 | rl_vi_goto_mark (count, key) |
| 1359 | int count, key; |
| 1360 | { |
| 1361 | int ch; |
| 1362 | |
| 1363 | ch = rl_read_key (); |
| 1364 | if (ch == '`') |
| 1365 | { |
| 1366 | rl_point = rl_mark; |
| 1367 | return 0; |
| 1368 | } |
| 1369 | else if (_rl_lowercase_p (ch) == 0) |
| 1370 | { |
| 1371 | ding (); |
| 1372 | return -1; |
| 1373 | } |
| 1374 | |
| 1375 | ch -= 'a'; |
| 1376 | if (vi_mark_chars[ch] == -1) |
| 1377 | { |
| 1378 | ding (); |
| 1379 | return -1; |
| 1380 | } |
| 1381 | rl_point = vi_mark_chars[ch]; |
| 1382 | return 0; |
| 1383 | } |
| 1384 | |
| 1385 | #endif /* VI_MODE */ |