| 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 2, 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 | 59 Temple Place, Suite 330, Boston, MA 02111 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 "rlmbutil.h" |
| 55 | |
| 56 | #include "readline.h" |
| 57 | #include "history.h" |
| 58 | |
| 59 | #include "rlprivate.h" |
| 60 | #include "xmalloc.h" |
| 61 | |
| 62 | #ifndef member |
| 63 | #define member(c, s) ((c) ? (char *)strchr ((s), (c)) != (char *)NULL : 0) |
| 64 | #endif |
| 65 | |
| 66 | /* Non-zero means enter insertion mode. */ |
| 67 | static int _rl_vi_doing_insert; |
| 68 | |
| 69 | /* Command keys which do movement for xxx_to commands. */ |
| 70 | static const char *vi_motion = " hl^$0ftFT;,%wbeWBE|"; |
| 71 | |
| 72 | /* Keymap used for vi replace characters. Created dynamically since |
| 73 | rarely used. */ |
| 74 | static Keymap vi_replace_map; |
| 75 | |
| 76 | /* The number of characters inserted in the last replace operation. */ |
| 77 | static int vi_replace_count; |
| 78 | |
| 79 | /* If non-zero, we have text inserted after a c[motion] command that put |
| 80 | us implicitly into insert mode. Some people want this text to be |
| 81 | attached to the command so that it is `redoable' with `.'. */ |
| 82 | static int vi_continued_command; |
| 83 | static char *vi_insert_buffer; |
| 84 | static int vi_insert_buffer_size; |
| 85 | |
| 86 | static int _rl_vi_last_command = 'i'; /* default `.' puts you in insert mode */ |
| 87 | static int _rl_vi_last_repeat = 1; |
| 88 | static int _rl_vi_last_arg_sign = 1; |
| 89 | static int _rl_vi_last_motion; |
| 90 | #if defined (HANDLE_MULTIBYTE) |
| 91 | static char _rl_vi_last_search_mbchar[MB_LEN_MAX]; |
| 92 | #else |
| 93 | static int _rl_vi_last_search_char; |
| 94 | #endif |
| 95 | static int _rl_vi_last_replacement; |
| 96 | |
| 97 | static int _rl_vi_last_key_before_insert; |
| 98 | |
| 99 | static int vi_redoing; |
| 100 | |
| 101 | /* Text modification commands. These are the `redoable' commands. */ |
| 102 | static const char *vi_textmod = "_*\\AaIiCcDdPpYyRrSsXx~"; |
| 103 | |
| 104 | /* Arrays for the saved marks. */ |
| 105 | static int vi_mark_chars['z' - 'a' + 1]; |
| 106 | |
| 107 | static void _rl_vi_stuff_insert PARAMS((int)); |
| 108 | static void _rl_vi_save_insert PARAMS((UNDO_LIST *)); |
| 109 | static int rl_digit_loop1 PARAMS((void)); |
| 110 | |
| 111 | void |
| 112 | _rl_vi_initialize_line () |
| 113 | { |
| 114 | register int i; |
| 115 | |
| 116 | for (i = 0; i < sizeof (vi_mark_chars) / sizeof (int); i++) |
| 117 | vi_mark_chars[i] = -1; |
| 118 | } |
| 119 | |
| 120 | void |
| 121 | _rl_vi_reset_last () |
| 122 | { |
| 123 | _rl_vi_last_command = 'i'; |
| 124 | _rl_vi_last_repeat = 1; |
| 125 | _rl_vi_last_arg_sign = 1; |
| 126 | _rl_vi_last_motion = 0; |
| 127 | } |
| 128 | |
| 129 | void |
| 130 | _rl_vi_set_last (key, repeat, sign) |
| 131 | int key, repeat, sign; |
| 132 | { |
| 133 | _rl_vi_last_command = key; |
| 134 | _rl_vi_last_repeat = repeat; |
| 135 | _rl_vi_last_arg_sign = sign; |
| 136 | } |
| 137 | |
| 138 | /* Is the command C a VI mode text modification command? */ |
| 139 | int |
| 140 | _rl_vi_textmod_command (c) |
| 141 | int c; |
| 142 | { |
| 143 | return (member (c, vi_textmod)); |
| 144 | } |
| 145 | |
| 146 | static void |
| 147 | _rl_vi_stuff_insert (count) |
| 148 | int count; |
| 149 | { |
| 150 | rl_begin_undo_group (); |
| 151 | while (count--) |
| 152 | rl_insert_text (vi_insert_buffer); |
| 153 | rl_end_undo_group (); |
| 154 | } |
| 155 | |
| 156 | /* Bound to `.'. Called from command mode, so we know that we have to |
| 157 | redo a text modification command. The default for _rl_vi_last_command |
| 158 | puts you back into insert mode. */ |
| 159 | int |
| 160 | rl_vi_redo (count, c) |
| 161 | int count, c; |
| 162 | { |
| 163 | int r; |
| 164 | |
| 165 | if (!rl_explicit_arg) |
| 166 | { |
| 167 | rl_numeric_arg = _rl_vi_last_repeat; |
| 168 | rl_arg_sign = _rl_vi_last_arg_sign; |
| 169 | } |
| 170 | |
| 171 | r = 0; |
| 172 | vi_redoing = 1; |
| 173 | /* If we're redoing an insert with `i', stuff in the inserted text |
| 174 | and do not go into insertion mode. */ |
| 175 | if (_rl_vi_last_command == 'i' && vi_insert_buffer && *vi_insert_buffer) |
| 176 | { |
| 177 | _rl_vi_stuff_insert (count); |
| 178 | /* And back up point over the last character inserted. */ |
| 179 | if (rl_point > 0) |
| 180 | rl_point--; |
| 181 | } |
| 182 | else |
| 183 | r = _rl_dispatch (_rl_vi_last_command, _rl_keymap); |
| 184 | vi_redoing = 0; |
| 185 | |
| 186 | return (r); |
| 187 | } |
| 188 | |
| 189 | /* A placeholder for further expansion. */ |
| 190 | int |
| 191 | rl_vi_undo (count, key) |
| 192 | int count, key; |
| 193 | { |
| 194 | return (rl_undo_command (count, key)); |
| 195 | } |
| 196 | |
| 197 | /* Yank the nth arg from the previous line into this line at point. */ |
| 198 | int |
| 199 | rl_vi_yank_arg (count, key) |
| 200 | int count, key; |
| 201 | { |
| 202 | /* Readline thinks that the first word on a line is the 0th, while vi |
| 203 | thinks the first word on a line is the 1st. Compensate. */ |
| 204 | if (rl_explicit_arg) |
| 205 | rl_yank_nth_arg (count - 1, 0); |
| 206 | else |
| 207 | rl_yank_nth_arg ('$', 0); |
| 208 | |
| 209 | return (0); |
| 210 | } |
| 211 | |
| 212 | /* With an argument, move back that many history lines, else move to the |
| 213 | beginning of history. */ |
| 214 | int |
| 215 | rl_vi_fetch_history (count, c) |
| 216 | int count, c; |
| 217 | { |
| 218 | int wanted; |
| 219 | |
| 220 | /* Giving an argument of n means we want the nth command in the history |
| 221 | file. The command number is interpreted the same way that the bash |
| 222 | `history' command does it -- that is, giving an argument count of 450 |
| 223 | to this command would get the command listed as number 450 in the |
| 224 | output of `history'. */ |
| 225 | if (rl_explicit_arg) |
| 226 | { |
| 227 | wanted = history_base + where_history () - count; |
| 228 | if (wanted <= 0) |
| 229 | rl_beginning_of_history (0, 0); |
| 230 | else |
| 231 | rl_get_previous_history (wanted, c); |
| 232 | } |
| 233 | else |
| 234 | rl_beginning_of_history (count, 0); |
| 235 | return (0); |
| 236 | } |
| 237 | |
| 238 | /* Search again for the last thing searched for. */ |
| 239 | int |
| 240 | rl_vi_search_again (count, key) |
| 241 | int count, key; |
| 242 | { |
| 243 | switch (key) |
| 244 | { |
| 245 | case 'n': |
| 246 | rl_noninc_reverse_search_again (count, key); |
| 247 | break; |
| 248 | |
| 249 | case 'N': |
| 250 | rl_noninc_forward_search_again (count, key); |
| 251 | break; |
| 252 | } |
| 253 | return (0); |
| 254 | } |
| 255 | |
| 256 | /* Do a vi style search. */ |
| 257 | int |
| 258 | rl_vi_search (count, key) |
| 259 | int count, key; |
| 260 | { |
| 261 | switch (key) |
| 262 | { |
| 263 | case '?': |
| 264 | rl_noninc_forward_search (count, key); |
| 265 | break; |
| 266 | |
| 267 | case '/': |
| 268 | rl_noninc_reverse_search (count, key); |
| 269 | break; |
| 270 | |
| 271 | default: |
| 272 | rl_ding (); |
| 273 | break; |
| 274 | } |
| 275 | return (0); |
| 276 | } |
| 277 | |
| 278 | /* Completion, from vi's point of view. */ |
| 279 | int |
| 280 | rl_vi_complete (ignore, key) |
| 281 | int ignore, key; |
| 282 | { |
| 283 | if ((rl_point < rl_end) && (!whitespace (rl_line_buffer[rl_point]))) |
| 284 | { |
| 285 | if (!whitespace (rl_line_buffer[rl_point + 1])) |
| 286 | rl_vi_end_word (1, 'E'); |
| 287 | rl_point++; |
| 288 | } |
| 289 | |
| 290 | if (key == '*') |
| 291 | rl_complete_internal ('*'); /* Expansion and replacement. */ |
| 292 | else if (key == '=') |
| 293 | rl_complete_internal ('?'); /* List possible completions. */ |
| 294 | else if (key == '\\') |
| 295 | rl_complete_internal (TAB); /* Standard Readline completion. */ |
| 296 | else |
| 297 | rl_complete (0, key); |
| 298 | |
| 299 | if (key == '*' || key == '\\') |
| 300 | { |
| 301 | _rl_vi_set_last (key, 1, rl_arg_sign); |
| 302 | rl_vi_insertion_mode (1, key); |
| 303 | } |
| 304 | return (0); |
| 305 | } |
| 306 | |
| 307 | /* Tilde expansion for vi mode. */ |
| 308 | int |
| 309 | rl_vi_tilde_expand (ignore, key) |
| 310 | int ignore, key; |
| 311 | { |
| 312 | rl_tilde_expand (0, key); |
| 313 | _rl_vi_set_last (key, 1, rl_arg_sign); /* XXX */ |
| 314 | rl_vi_insertion_mode (1, key); |
| 315 | return (0); |
| 316 | } |
| 317 | |
| 318 | /* Previous word in vi mode. */ |
| 319 | int |
| 320 | rl_vi_prev_word (count, key) |
| 321 | int count, key; |
| 322 | { |
| 323 | if (count < 0) |
| 324 | return (rl_vi_next_word (-count, key)); |
| 325 | |
| 326 | if (rl_point == 0) |
| 327 | { |
| 328 | rl_ding (); |
| 329 | return (0); |
| 330 | } |
| 331 | |
| 332 | if (_rl_uppercase_p (key)) |
| 333 | rl_vi_bWord (count, key); |
| 334 | else |
| 335 | rl_vi_bword (count, key); |
| 336 | |
| 337 | return (0); |
| 338 | } |
| 339 | |
| 340 | /* Next word in vi mode. */ |
| 341 | int |
| 342 | rl_vi_next_word (count, key) |
| 343 | int count, key; |
| 344 | { |
| 345 | if (count < 0) |
| 346 | return (rl_vi_prev_word (-count, key)); |
| 347 | |
| 348 | if (rl_point >= (rl_end - 1)) |
| 349 | { |
| 350 | rl_ding (); |
| 351 | return (0); |
| 352 | } |
| 353 | |
| 354 | if (_rl_uppercase_p (key)) |
| 355 | rl_vi_fWord (count, key); |
| 356 | else |
| 357 | rl_vi_fword (count, key); |
| 358 | return (0); |
| 359 | } |
| 360 | |
| 361 | /* Move to the end of the ?next? word. */ |
| 362 | int |
| 363 | rl_vi_end_word (count, key) |
| 364 | int count, key; |
| 365 | { |
| 366 | if (count < 0) |
| 367 | { |
| 368 | rl_ding (); |
| 369 | return -1; |
| 370 | } |
| 371 | |
| 372 | if (_rl_uppercase_p (key)) |
| 373 | rl_vi_eWord (count, key); |
| 374 | else |
| 375 | rl_vi_eword (count, key); |
| 376 | return (0); |
| 377 | } |
| 378 | |
| 379 | /* Move forward a word the way that 'W' does. */ |
| 380 | int |
| 381 | rl_vi_fWord (count, ignore) |
| 382 | int count, ignore; |
| 383 | { |
| 384 | while (count-- && rl_point < (rl_end - 1)) |
| 385 | { |
| 386 | /* Skip until whitespace. */ |
| 387 | while (!whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 388 | rl_point++; |
| 389 | |
| 390 | /* Now skip whitespace. */ |
| 391 | while (whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 392 | rl_point++; |
| 393 | } |
| 394 | return (0); |
| 395 | } |
| 396 | |
| 397 | int |
| 398 | rl_vi_bWord (count, ignore) |
| 399 | int count, ignore; |
| 400 | { |
| 401 | while (count-- && rl_point > 0) |
| 402 | { |
| 403 | /* If we are at the start of a word, move back to whitespace so |
| 404 | we will go back to the start of the previous word. */ |
| 405 | if (!whitespace (rl_line_buffer[rl_point]) && |
| 406 | whitespace (rl_line_buffer[rl_point - 1])) |
| 407 | rl_point--; |
| 408 | |
| 409 | while (rl_point > 0 && whitespace (rl_line_buffer[rl_point])) |
| 410 | rl_point--; |
| 411 | |
| 412 | if (rl_point > 0) |
| 413 | { |
| 414 | while (--rl_point >= 0 && !whitespace (rl_line_buffer[rl_point])); |
| 415 | rl_point++; |
| 416 | } |
| 417 | } |
| 418 | return (0); |
| 419 | } |
| 420 | |
| 421 | int |
| 422 | rl_vi_eWord (count, ignore) |
| 423 | int count, ignore; |
| 424 | { |
| 425 | while (count-- && rl_point < (rl_end - 1)) |
| 426 | { |
| 427 | if (!whitespace (rl_line_buffer[rl_point])) |
| 428 | rl_point++; |
| 429 | |
| 430 | /* Move to the next non-whitespace character (to the start of the |
| 431 | next word). */ |
| 432 | while (++rl_point < rl_end && whitespace (rl_line_buffer[rl_point])); |
| 433 | |
| 434 | if (rl_point && rl_point < rl_end) |
| 435 | { |
| 436 | /* Skip whitespace. */ |
| 437 | while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point])) |
| 438 | rl_point++; |
| 439 | |
| 440 | /* Skip until whitespace. */ |
| 441 | while (rl_point < rl_end && !whitespace (rl_line_buffer[rl_point])) |
| 442 | rl_point++; |
| 443 | |
| 444 | /* Move back to the last character of the word. */ |
| 445 | rl_point--; |
| 446 | } |
| 447 | } |
| 448 | return (0); |
| 449 | } |
| 450 | |
| 451 | int |
| 452 | rl_vi_fword (count, ignore) |
| 453 | int count, ignore; |
| 454 | { |
| 455 | while (count-- && rl_point < (rl_end - 1)) |
| 456 | { |
| 457 | /* Move to white space (really non-identifer). */ |
| 458 | if (_rl_isident (rl_line_buffer[rl_point])) |
| 459 | { |
| 460 | while (_rl_isident (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 461 | rl_point++; |
| 462 | } |
| 463 | else /* if (!whitespace (rl_line_buffer[rl_point])) */ |
| 464 | { |
| 465 | while (!_rl_isident (rl_line_buffer[rl_point]) && |
| 466 | !whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 467 | rl_point++; |
| 468 | } |
| 469 | |
| 470 | /* Move past whitespace. */ |
| 471 | while (whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 472 | rl_point++; |
| 473 | } |
| 474 | return (0); |
| 475 | } |
| 476 | |
| 477 | int |
| 478 | rl_vi_bword (count, ignore) |
| 479 | int count, ignore; |
| 480 | { |
| 481 | while (count-- && rl_point > 0) |
| 482 | { |
| 483 | int last_is_ident; |
| 484 | |
| 485 | /* If we are at the start of a word, move back to whitespace |
| 486 | so we will go back to the start of the previous word. */ |
| 487 | if (!whitespace (rl_line_buffer[rl_point]) && |
| 488 | whitespace (rl_line_buffer[rl_point - 1])) |
| 489 | rl_point--; |
| 490 | |
| 491 | /* If this character and the previous character are `opposite', move |
| 492 | back so we don't get messed up by the rl_point++ down there in |
| 493 | the while loop. Without this code, words like `l;' screw up the |
| 494 | function. */ |
| 495 | last_is_ident = _rl_isident (rl_line_buffer[rl_point - 1]); |
| 496 | if ((_rl_isident (rl_line_buffer[rl_point]) && !last_is_ident) || |
| 497 | (!_rl_isident (rl_line_buffer[rl_point]) && last_is_ident)) |
| 498 | rl_point--; |
| 499 | |
| 500 | while (rl_point > 0 && whitespace (rl_line_buffer[rl_point])) |
| 501 | rl_point--; |
| 502 | |
| 503 | if (rl_point > 0) |
| 504 | { |
| 505 | if (_rl_isident (rl_line_buffer[rl_point])) |
| 506 | while (--rl_point >= 0 && _rl_isident (rl_line_buffer[rl_point])); |
| 507 | else |
| 508 | while (--rl_point >= 0 && !_rl_isident (rl_line_buffer[rl_point]) && |
| 509 | !whitespace (rl_line_buffer[rl_point])); |
| 510 | rl_point++; |
| 511 | } |
| 512 | } |
| 513 | return (0); |
| 514 | } |
| 515 | |
| 516 | int |
| 517 | rl_vi_eword (count, ignore) |
| 518 | int count, ignore; |
| 519 | { |
| 520 | while (count-- && rl_point < rl_end - 1) |
| 521 | { |
| 522 | if (!whitespace (rl_line_buffer[rl_point])) |
| 523 | rl_point++; |
| 524 | |
| 525 | while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point])) |
| 526 | rl_point++; |
| 527 | |
| 528 | if (rl_point < rl_end) |
| 529 | { |
| 530 | if (_rl_isident (rl_line_buffer[rl_point])) |
| 531 | while (++rl_point < rl_end && _rl_isident (rl_line_buffer[rl_point])); |
| 532 | else |
| 533 | while (++rl_point < rl_end && !_rl_isident (rl_line_buffer[rl_point]) |
| 534 | && !whitespace (rl_line_buffer[rl_point])); |
| 535 | } |
| 536 | rl_point--; |
| 537 | } |
| 538 | return (0); |
| 539 | } |
| 540 | |
| 541 | int |
| 542 | rl_vi_insert_beg (count, key) |
| 543 | int count, key; |
| 544 | { |
| 545 | rl_beg_of_line (1, key); |
| 546 | rl_vi_insertion_mode (1, key); |
| 547 | return (0); |
| 548 | } |
| 549 | |
| 550 | int |
| 551 | rl_vi_append_mode (count, key) |
| 552 | int count, key; |
| 553 | { |
| 554 | if (rl_point < rl_end) |
| 555 | { |
| 556 | if (MB_CUR_MAX == 1 || rl_byte_oriented) |
| 557 | rl_point++; |
| 558 | else |
| 559 | { |
| 560 | int point = rl_point; |
| 561 | rl_forward_char (1, key); |
| 562 | if (point == rl_point) |
| 563 | rl_point = rl_end; |
| 564 | } |
| 565 | } |
| 566 | rl_vi_insertion_mode (1, key); |
| 567 | return (0); |
| 568 | } |
| 569 | |
| 570 | int |
| 571 | rl_vi_append_eol (count, key) |
| 572 | int count, key; |
| 573 | { |
| 574 | rl_end_of_line (1, key); |
| 575 | rl_vi_append_mode (1, key); |
| 576 | return (0); |
| 577 | } |
| 578 | |
| 579 | /* What to do in the case of C-d. */ |
| 580 | int |
| 581 | rl_vi_eof_maybe (count, c) |
| 582 | int count, c; |
| 583 | { |
| 584 | return (rl_newline (1, '\n')); |
| 585 | } |
| 586 | |
| 587 | /* Insertion mode stuff. */ |
| 588 | |
| 589 | /* Switching from one mode to the other really just involves |
| 590 | switching keymaps. */ |
| 591 | int |
| 592 | rl_vi_insertion_mode (count, key) |
| 593 | int count, key; |
| 594 | { |
| 595 | _rl_keymap = vi_insertion_keymap; |
| 596 | _rl_vi_last_key_before_insert = key; |
| 597 | return (0); |
| 598 | } |
| 599 | |
| 600 | static void |
| 601 | _rl_vi_save_insert (up) |
| 602 | UNDO_LIST *up; |
| 603 | { |
| 604 | int len, start, end; |
| 605 | |
| 606 | if (up == 0) |
| 607 | { |
| 608 | if (vi_insert_buffer_size >= 1) |
| 609 | vi_insert_buffer[0] = '\0'; |
| 610 | return; |
| 611 | } |
| 612 | |
| 613 | start = up->start; |
| 614 | end = up->end; |
| 615 | len = end - start + 1; |
| 616 | if (len >= vi_insert_buffer_size) |
| 617 | { |
| 618 | vi_insert_buffer_size += (len + 32) - (len % 32); |
| 619 | vi_insert_buffer = (char *)xrealloc (vi_insert_buffer, vi_insert_buffer_size); |
| 620 | } |
| 621 | strncpy (vi_insert_buffer, rl_line_buffer + start, len - 1); |
| 622 | vi_insert_buffer[len-1] = '\0'; |
| 623 | } |
| 624 | |
| 625 | void |
| 626 | _rl_vi_done_inserting () |
| 627 | { |
| 628 | if (_rl_vi_doing_insert) |
| 629 | { |
| 630 | /* The `C', `s', and `S' commands set this. */ |
| 631 | rl_end_undo_group (); |
| 632 | /* Now, the text between rl_undo_list->next->start and |
| 633 | rl_undo_list->next->end is what was inserted while in insert |
| 634 | mode. It gets copied to VI_INSERT_BUFFER because it depends |
| 635 | on absolute indices into the line which may change (though they |
| 636 | probably will not). */ |
| 637 | _rl_vi_doing_insert = 0; |
| 638 | _rl_vi_save_insert (rl_undo_list->next); |
| 639 | vi_continued_command = 1; |
| 640 | } |
| 641 | else |
| 642 | { |
| 643 | if (_rl_vi_last_key_before_insert == 'i' && rl_undo_list) |
| 644 | _rl_vi_save_insert (rl_undo_list); |
| 645 | /* XXX - Other keys probably need to be checked. */ |
| 646 | else if (_rl_vi_last_key_before_insert == 'C') |
| 647 | rl_end_undo_group (); |
| 648 | while (_rl_undo_group_level > 0) |
| 649 | rl_end_undo_group (); |
| 650 | vi_continued_command = 0; |
| 651 | } |
| 652 | } |
| 653 | |
| 654 | int |
| 655 | rl_vi_movement_mode (count, key) |
| 656 | int count, key; |
| 657 | { |
| 658 | if (rl_point > 0) |
| 659 | rl_backward_char (1, key); |
| 660 | |
| 661 | _rl_keymap = vi_movement_keymap; |
| 662 | _rl_vi_done_inserting (); |
| 663 | return (0); |
| 664 | } |
| 665 | |
| 666 | int |
| 667 | rl_vi_arg_digit (count, c) |
| 668 | int count, c; |
| 669 | { |
| 670 | if (c == '0' && rl_numeric_arg == 1 && !rl_explicit_arg) |
| 671 | return (rl_beg_of_line (1, c)); |
| 672 | else |
| 673 | return (rl_digit_argument (count, c)); |
| 674 | } |
| 675 | |
| 676 | /* Change the case of the next COUNT characters. */ |
| 677 | #if defined (HANDLE_MULTIBYTE) |
| 678 | static int |
| 679 | _rl_vi_change_mbchar_case (count) |
| 680 | int count; |
| 681 | { |
| 682 | wchar_t wc; |
| 683 | char mb[MB_LEN_MAX]; |
| 684 | mbstate_t ps; |
| 685 | |
| 686 | memset (&ps, 0, sizeof (mbstate_t)); |
| 687 | if (_rl_adjust_point (rl_line_buffer, rl_point, &ps) > 0) |
| 688 | count--; |
| 689 | while (count-- && rl_point < rl_end) |
| 690 | { |
| 691 | mbrtowc (&wc, rl_line_buffer + rl_point, rl_end - rl_point, &ps); |
| 692 | if (iswupper (wc)) |
| 693 | wc = towlower (wc); |
| 694 | else if (iswlower (wc)) |
| 695 | wc = towupper (wc); |
| 696 | else |
| 697 | { |
| 698 | /* Just skip over chars neither upper nor lower case */ |
| 699 | rl_forward_char (1, 0); |
| 700 | continue; |
| 701 | } |
| 702 | |
| 703 | /* Vi is kind of strange here. */ |
| 704 | if (wc) |
| 705 | { |
| 706 | wctomb (mb, wc); |
| 707 | rl_begin_undo_group (); |
| 708 | rl_delete (1, 0); |
| 709 | rl_insert_text (mb); |
| 710 | rl_end_undo_group (); |
| 711 | rl_vi_check (); |
| 712 | } |
| 713 | else |
| 714 | rl_forward_char (1, 0); |
| 715 | } |
| 716 | |
| 717 | return 0; |
| 718 | } |
| 719 | #endif |
| 720 | |
| 721 | int |
| 722 | rl_vi_change_case (count, ignore) |
| 723 | int count, ignore; |
| 724 | { |
| 725 | char c = 0; |
| 726 | |
| 727 | /* Don't try this on an empty line. */ |
| 728 | if (rl_point >= rl_end) |
| 729 | return (0); |
| 730 | |
| 731 | #if defined (HANDLE_MULTIBYTE) |
| 732 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) |
| 733 | return (_rl_vi_change_mbchar_case (count)); |
| 734 | #endif |
| 735 | |
| 736 | while (count-- && rl_point < rl_end) |
| 737 | { |
| 738 | if (_rl_uppercase_p (rl_line_buffer[rl_point])) |
| 739 | c = _rl_to_lower (rl_line_buffer[rl_point]); |
| 740 | else if (_rl_lowercase_p (rl_line_buffer[rl_point])) |
| 741 | c = _rl_to_upper (rl_line_buffer[rl_point]); |
| 742 | else |
| 743 | { |
| 744 | /* Just skip over characters neither upper nor lower case. */ |
| 745 | rl_forward_char (1, c); |
| 746 | continue; |
| 747 | } |
| 748 | |
| 749 | /* Vi is kind of strange here. */ |
| 750 | if (c) |
| 751 | { |
| 752 | rl_begin_undo_group (); |
| 753 | rl_delete (1, c); |
| 754 | _rl_insert_char (1, c); |
| 755 | rl_end_undo_group (); |
| 756 | rl_vi_check (); |
| 757 | } |
| 758 | else |
| 759 | rl_forward_char (1, c); |
| 760 | } |
| 761 | return (0); |
| 762 | } |
| 763 | |
| 764 | int |
| 765 | rl_vi_put (count, key) |
| 766 | int count, key; |
| 767 | { |
| 768 | if (!_rl_uppercase_p (key) && (rl_point + 1 <= rl_end)) |
| 769 | rl_point = _rl_find_next_mbchar (rl_line_buffer, rl_point, 1, MB_FIND_NONZERO); |
| 770 | |
| 771 | rl_yank (1, key); |
| 772 | rl_backward_char (1, key); |
| 773 | return (0); |
| 774 | } |
| 775 | |
| 776 | int |
| 777 | rl_vi_check () |
| 778 | { |
| 779 | if (rl_point && rl_point == rl_end) |
| 780 | { |
| 781 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) |
| 782 | rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO); |
| 783 | else |
| 784 | rl_point--; |
| 785 | } |
| 786 | return (0); |
| 787 | } |
| 788 | |
| 789 | int |
| 790 | rl_vi_column (count, key) |
| 791 | int count, key; |
| 792 | { |
| 793 | if (count > rl_end) |
| 794 | rl_end_of_line (1, key); |
| 795 | else |
| 796 | rl_point = count - 1; |
| 797 | return (0); |
| 798 | } |
| 799 | |
| 800 | int |
| 801 | rl_vi_domove (key, nextkey) |
| 802 | int key, *nextkey; |
| 803 | { |
| 804 | int c, save; |
| 805 | int old_end; |
| 806 | |
| 807 | rl_mark = rl_point; |
| 808 | RL_SETSTATE(RL_STATE_MOREINPUT); |
| 809 | c = rl_read_key (); |
| 810 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
| 811 | *nextkey = c; |
| 812 | |
| 813 | if (!member (c, vi_motion)) |
| 814 | { |
| 815 | if (_rl_digit_p (c)) |
| 816 | { |
| 817 | save = rl_numeric_arg; |
| 818 | rl_numeric_arg = _rl_digit_value (c); |
| 819 | rl_digit_loop1 (); |
| 820 | rl_numeric_arg *= save; |
| 821 | RL_SETSTATE(RL_STATE_MOREINPUT); |
| 822 | c = rl_read_key (); /* real command */ |
| 823 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
| 824 | *nextkey = c; |
| 825 | } |
| 826 | else if (key == c && (key == 'd' || key == 'y' || key == 'c')) |
| 827 | { |
| 828 | rl_mark = rl_end; |
| 829 | rl_beg_of_line (1, c); |
| 830 | _rl_vi_last_motion = c; |
| 831 | return (0); |
| 832 | } |
| 833 | else |
| 834 | return (-1); |
| 835 | } |
| 836 | |
| 837 | _rl_vi_last_motion = c; |
| 838 | |
| 839 | /* Append a blank character temporarily so that the motion routines |
| 840 | work right at the end of the line. */ |
| 841 | old_end = rl_end; |
| 842 | rl_line_buffer[rl_end++] = ' '; |
| 843 | rl_line_buffer[rl_end] = '\0'; |
| 844 | |
| 845 | _rl_dispatch (c, _rl_keymap); |
| 846 | |
| 847 | /* Remove the blank that we added. */ |
| 848 | rl_end = old_end; |
| 849 | rl_line_buffer[rl_end] = '\0'; |
| 850 | if (rl_point > rl_end) |
| 851 | rl_point = rl_end; |
| 852 | |
| 853 | /* No change in position means the command failed. */ |
| 854 | if (rl_mark == rl_point) |
| 855 | return (-1); |
| 856 | |
| 857 | /* rl_vi_f[wW]ord () leaves the cursor on the first character of the next |
| 858 | word. If we are not at the end of the line, and we are on a |
| 859 | non-whitespace character, move back one (presumably to whitespace). */ |
| 860 | if ((_rl_to_upper (c) == 'W') && rl_point < rl_end && rl_point > rl_mark && |
| 861 | !whitespace (rl_line_buffer[rl_point])) |
| 862 | rl_point--; |
| 863 | |
| 864 | /* If cw or cW, back up to the end of a word, so the behaviour of ce |
| 865 | or cE is the actual result. Brute-force, no subtlety. */ |
| 866 | if (key == 'c' && rl_point >= rl_mark && (_rl_to_upper (c) == 'W')) |
| 867 | { |
| 868 | /* Don't move farther back than where we started. */ |
| 869 | while (rl_point > rl_mark && whitespace (rl_line_buffer[rl_point])) |
| 870 | rl_point--; |
| 871 | |
| 872 | /* Posix.2 says that if cw or cW moves the cursor towards the end of |
| 873 | the line, the character under the cursor should be deleted. */ |
| 874 | if (rl_point == rl_mark) |
| 875 | rl_point++; |
| 876 | else |
| 877 | { |
| 878 | /* Move past the end of the word so that the kill doesn't |
| 879 | remove the last letter of the previous word. Only do this |
| 880 | if we are not at the end of the line. */ |
| 881 | if (rl_point >= 0 && rl_point < (rl_end - 1) && !whitespace (rl_line_buffer[rl_point])) |
| 882 | rl_point++; |
| 883 | } |
| 884 | } |
| 885 | |
| 886 | if (rl_mark < rl_point) |
| 887 | SWAP (rl_point, rl_mark); |
| 888 | |
| 889 | return (0); |
| 890 | } |
| 891 | |
| 892 | /* A simplified loop for vi. Don't dispatch key at end. |
| 893 | Don't recognize minus sign? |
| 894 | Should this do rl_save_prompt/rl_restore_prompt? */ |
| 895 | static int |
| 896 | rl_digit_loop1 () |
| 897 | { |
| 898 | int key, c; |
| 899 | |
| 900 | RL_SETSTATE(RL_STATE_NUMERICARG); |
| 901 | while (1) |
| 902 | { |
| 903 | if (rl_numeric_arg > 1000000) |
| 904 | { |
| 905 | rl_explicit_arg = rl_numeric_arg = 0; |
| 906 | rl_ding (); |
| 907 | rl_clear_message (); |
| 908 | RL_UNSETSTATE(RL_STATE_NUMERICARG); |
| 909 | return 1; |
| 910 | } |
| 911 | rl_message ("(arg: %d) ", rl_arg_sign * rl_numeric_arg); |
| 912 | RL_SETSTATE(RL_STATE_MOREINPUT); |
| 913 | key = c = rl_read_key (); |
| 914 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
| 915 | |
| 916 | if (c >= 0 && _rl_keymap[c].type == ISFUNC && |
| 917 | _rl_keymap[c].function == rl_universal_argument) |
| 918 | { |
| 919 | rl_numeric_arg *= 4; |
| 920 | continue; |
| 921 | } |
| 922 | |
| 923 | c = UNMETA (c); |
| 924 | if (_rl_digit_p (c)) |
| 925 | { |
| 926 | if (rl_explicit_arg) |
| 927 | rl_numeric_arg = (rl_numeric_arg * 10) + _rl_digit_value (c); |
| 928 | else |
| 929 | rl_numeric_arg = _rl_digit_value (c); |
| 930 | rl_explicit_arg = 1; |
| 931 | } |
| 932 | else |
| 933 | { |
| 934 | rl_clear_message (); |
| 935 | rl_stuff_char (key); |
| 936 | break; |
| 937 | } |
| 938 | } |
| 939 | |
| 940 | RL_UNSETSTATE(RL_STATE_NUMERICARG); |
| 941 | return (0); |
| 942 | } |
| 943 | |
| 944 | int |
| 945 | rl_vi_delete_to (count, key) |
| 946 | int count, key; |
| 947 | { |
| 948 | int c; |
| 949 | |
| 950 | if (_rl_uppercase_p (key)) |
| 951 | rl_stuff_char ('$'); |
| 952 | else if (vi_redoing) |
| 953 | rl_stuff_char (_rl_vi_last_motion); |
| 954 | |
| 955 | if (rl_vi_domove (key, &c)) |
| 956 | { |
| 957 | rl_ding (); |
| 958 | return -1; |
| 959 | } |
| 960 | |
| 961 | /* These are the motion commands that do not require adjusting the |
| 962 | mark. */ |
| 963 | if ((strchr (" l|h^0bB", c) == 0) && (rl_mark < rl_end)) |
| 964 | rl_mark++; |
| 965 | |
| 966 | rl_kill_text (rl_point, rl_mark); |
| 967 | return (0); |
| 968 | } |
| 969 | |
| 970 | int |
| 971 | rl_vi_change_to (count, key) |
| 972 | int count, key; |
| 973 | { |
| 974 | int c, start_pos; |
| 975 | |
| 976 | if (_rl_uppercase_p (key)) |
| 977 | rl_stuff_char ('$'); |
| 978 | else if (vi_redoing) |
| 979 | rl_stuff_char (_rl_vi_last_motion); |
| 980 | |
| 981 | start_pos = rl_point; |
| 982 | |
| 983 | if (rl_vi_domove (key, &c)) |
| 984 | { |
| 985 | rl_ding (); |
| 986 | return -1; |
| 987 | } |
| 988 | |
| 989 | /* These are the motion commands that do not require adjusting the |
| 990 | mark. c[wW] are handled by special-case code in rl_vi_domove(), |
| 991 | and already leave the mark at the correct location. */ |
| 992 | if ((strchr (" l|hwW^0bB", c) == 0) && (rl_mark < rl_end)) |
| 993 | rl_mark++; |
| 994 | |
| 995 | /* The cursor never moves with c[wW]. */ |
| 996 | if ((_rl_to_upper (c) == 'W') && rl_point < start_pos) |
| 997 | rl_point = start_pos; |
| 998 | |
| 999 | if (vi_redoing) |
| 1000 | { |
| 1001 | if (vi_insert_buffer && *vi_insert_buffer) |
| 1002 | rl_begin_undo_group (); |
| 1003 | rl_delete_text (rl_point, rl_mark); |
| 1004 | if (vi_insert_buffer && *vi_insert_buffer) |
| 1005 | { |
| 1006 | rl_insert_text (vi_insert_buffer); |
| 1007 | rl_end_undo_group (); |
| 1008 | } |
| 1009 | } |
| 1010 | else |
| 1011 | { |
| 1012 | rl_begin_undo_group (); /* to make the `u' command work */ |
| 1013 | rl_kill_text (rl_point, rl_mark); |
| 1014 | /* `C' does not save the text inserted for undoing or redoing. */ |
| 1015 | if (_rl_uppercase_p (key) == 0) |
| 1016 | _rl_vi_doing_insert = 1; |
| 1017 | _rl_vi_set_last (key, count, rl_arg_sign); |
| 1018 | rl_vi_insertion_mode (1, key); |
| 1019 | } |
| 1020 | |
| 1021 | return (0); |
| 1022 | } |
| 1023 | |
| 1024 | int |
| 1025 | rl_vi_yank_to (count, key) |
| 1026 | int count, key; |
| 1027 | { |
| 1028 | int c, save = rl_point; |
| 1029 | |
| 1030 | if (_rl_uppercase_p (key)) |
| 1031 | rl_stuff_char ('$'); |
| 1032 | |
| 1033 | if (rl_vi_domove (key, &c)) |
| 1034 | { |
| 1035 | rl_ding (); |
| 1036 | return -1; |
| 1037 | } |
| 1038 | |
| 1039 | /* These are the motion commands that do not require adjusting the |
| 1040 | mark. */ |
| 1041 | if ((strchr (" l|h^0%bB", c) == 0) && (rl_mark < rl_end)) |
| 1042 | rl_mark++; |
| 1043 | |
| 1044 | rl_begin_undo_group (); |
| 1045 | rl_kill_text (rl_point, rl_mark); |
| 1046 | rl_end_undo_group (); |
| 1047 | rl_do_undo (); |
| 1048 | rl_point = save; |
| 1049 | |
| 1050 | return (0); |
| 1051 | } |
| 1052 | |
| 1053 | int |
| 1054 | rl_vi_delete (count, key) |
| 1055 | int count, key; |
| 1056 | { |
| 1057 | int end; |
| 1058 | |
| 1059 | if (rl_end == 0) |
| 1060 | { |
| 1061 | rl_ding (); |
| 1062 | return -1; |
| 1063 | } |
| 1064 | |
| 1065 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) |
| 1066 | end = _rl_find_next_mbchar (rl_line_buffer, rl_point, count, MB_FIND_NONZERO); |
| 1067 | else |
| 1068 | end = rl_point + count; |
| 1069 | |
| 1070 | if (end >= rl_end) |
| 1071 | end = rl_end; |
| 1072 | |
| 1073 | rl_kill_text (rl_point, end); |
| 1074 | |
| 1075 | if (rl_point > 0 && rl_point == rl_end) |
| 1076 | rl_backward_char (1, key); |
| 1077 | return (0); |
| 1078 | } |
| 1079 | |
| 1080 | int |
| 1081 | rl_vi_back_to_indent (count, key) |
| 1082 | int count, key; |
| 1083 | { |
| 1084 | rl_beg_of_line (1, key); |
| 1085 | while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point])) |
| 1086 | rl_point++; |
| 1087 | return (0); |
| 1088 | } |
| 1089 | |
| 1090 | int |
| 1091 | rl_vi_first_print (count, key) |
| 1092 | int count, key; |
| 1093 | { |
| 1094 | return (rl_vi_back_to_indent (1, key)); |
| 1095 | } |
| 1096 | |
| 1097 | int |
| 1098 | rl_vi_char_search (count, key) |
| 1099 | int count, key; |
| 1100 | { |
| 1101 | #if defined (HANDLE_MULTIBYTE) |
| 1102 | static char *target; |
| 1103 | static int mb_len; |
| 1104 | #else |
| 1105 | static char target; |
| 1106 | #endif |
| 1107 | static int orig_dir, dir; |
| 1108 | |
| 1109 | if (key == ';' || key == ',') |
| 1110 | dir = key == ';' ? orig_dir : -orig_dir; |
| 1111 | else |
| 1112 | { |
| 1113 | if (vi_redoing) |
| 1114 | #if defined (HANDLE_MULTIBYTE) |
| 1115 | target = _rl_vi_last_search_mbchar; |
| 1116 | #else |
| 1117 | target = _rl_vi_last_search_char; |
| 1118 | #endif |
| 1119 | else |
| 1120 | { |
| 1121 | #if defined (HANDLE_MULTIBYTE) |
| 1122 | mb_len = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX); |
| 1123 | target = _rl_vi_last_search_mbchar; |
| 1124 | #else |
| 1125 | RL_SETSTATE(RL_STATE_MOREINPUT); |
| 1126 | _rl_vi_last_search_char = target = rl_read_key (); |
| 1127 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
| 1128 | #endif |
| 1129 | } |
| 1130 | |
| 1131 | switch (key) |
| 1132 | { |
| 1133 | case 't': |
| 1134 | orig_dir = dir = FTO; |
| 1135 | break; |
| 1136 | |
| 1137 | case 'T': |
| 1138 | orig_dir = dir = BTO; |
| 1139 | break; |
| 1140 | |
| 1141 | case 'f': |
| 1142 | orig_dir = dir = FFIND; |
| 1143 | break; |
| 1144 | |
| 1145 | case 'F': |
| 1146 | orig_dir = dir = BFIND; |
| 1147 | break; |
| 1148 | } |
| 1149 | } |
| 1150 | |
| 1151 | #if defined (HANDLE_MULTIBYTE) |
| 1152 | return (_rl_char_search_internal (count, dir, target, mb_len)); |
| 1153 | #else |
| 1154 | return (_rl_char_search_internal (count, dir, target)); |
| 1155 | #endif |
| 1156 | } |
| 1157 | |
| 1158 | /* Match brackets */ |
| 1159 | int |
| 1160 | rl_vi_match (ignore, key) |
| 1161 | int ignore, key; |
| 1162 | { |
| 1163 | int count = 1, brack, pos, tmp, pre; |
| 1164 | |
| 1165 | pos = rl_point; |
| 1166 | if ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0) |
| 1167 | { |
| 1168 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) |
| 1169 | { |
| 1170 | while ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0) |
| 1171 | { |
| 1172 | pre = rl_point; |
| 1173 | rl_forward_char (1, key); |
| 1174 | if (pre == rl_point) |
| 1175 | break; |
| 1176 | } |
| 1177 | } |
| 1178 | else |
| 1179 | while ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0 && |
| 1180 | rl_point < rl_end - 1) |
| 1181 | rl_forward_char (1, key); |
| 1182 | |
| 1183 | if (brack <= 0) |
| 1184 | { |
| 1185 | rl_point = pos; |
| 1186 | rl_ding (); |
| 1187 | return -1; |
| 1188 | } |
| 1189 | } |
| 1190 | |
| 1191 | pos = rl_point; |
| 1192 | |
| 1193 | if (brack < 0) |
| 1194 | { |
| 1195 | while (count) |
| 1196 | { |
| 1197 | tmp = pos; |
| 1198 | if (MB_CUR_MAX == 1 || rl_byte_oriented) |
| 1199 | pos--; |
| 1200 | else |
| 1201 | { |
| 1202 | pos = _rl_find_prev_mbchar (rl_line_buffer, pos, MB_FIND_ANY); |
| 1203 | if (tmp == pos) |
| 1204 | pos--; |
| 1205 | } |
| 1206 | if (pos >= 0) |
| 1207 | { |
| 1208 | int b = rl_vi_bracktype (rl_line_buffer[pos]); |
| 1209 | if (b == -brack) |
| 1210 | count--; |
| 1211 | else if (b == brack) |
| 1212 | count++; |
| 1213 | } |
| 1214 | else |
| 1215 | { |
| 1216 | rl_ding (); |
| 1217 | return -1; |
| 1218 | } |
| 1219 | } |
| 1220 | } |
| 1221 | else |
| 1222 | { /* brack > 0 */ |
| 1223 | while (count) |
| 1224 | { |
| 1225 | if (MB_CUR_MAX == 1 || rl_byte_oriented) |
| 1226 | pos++; |
| 1227 | else |
| 1228 | pos = _rl_find_next_mbchar (rl_line_buffer, pos, 1, MB_FIND_ANY); |
| 1229 | |
| 1230 | if (pos < rl_end) |
| 1231 | { |
| 1232 | int b = rl_vi_bracktype (rl_line_buffer[pos]); |
| 1233 | if (b == -brack) |
| 1234 | count--; |
| 1235 | else if (b == brack) |
| 1236 | count++; |
| 1237 | } |
| 1238 | else |
| 1239 | { |
| 1240 | rl_ding (); |
| 1241 | return -1; |
| 1242 | } |
| 1243 | } |
| 1244 | } |
| 1245 | rl_point = pos; |
| 1246 | return (0); |
| 1247 | } |
| 1248 | |
| 1249 | int |
| 1250 | rl_vi_bracktype (c) |
| 1251 | int c; |
| 1252 | { |
| 1253 | switch (c) |
| 1254 | { |
| 1255 | case '(': return 1; |
| 1256 | case ')': return -1; |
| 1257 | case '[': return 2; |
| 1258 | case ']': return -2; |
| 1259 | case '{': return 3; |
| 1260 | case '}': return -3; |
| 1261 | default: return 0; |
| 1262 | } |
| 1263 | } |
| 1264 | |
| 1265 | /* XXX - think about reading an entire mbchar with _rl_read_mbchar and |
| 1266 | inserting it in one bunch instead of the loop below (like in |
| 1267 | rl_vi_char_search or _rl_vi_change_mbchar_case. Set c to mbchar[0] |
| 1268 | for test against 033 or ^C. Make sure that _rl_read_mbchar does |
| 1269 | this right. */ |
| 1270 | int |
| 1271 | rl_vi_change_char (count, key) |
| 1272 | int count, key; |
| 1273 | { |
| 1274 | int c; |
| 1275 | |
| 1276 | if (vi_redoing) |
| 1277 | c = _rl_vi_last_replacement; |
| 1278 | else |
| 1279 | { |
| 1280 | RL_SETSTATE(RL_STATE_MOREINPUT); |
| 1281 | _rl_vi_last_replacement = c = rl_read_key (); |
| 1282 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
| 1283 | } |
| 1284 | |
| 1285 | if (c == '\033' || c == CTRL ('C')) |
| 1286 | return -1; |
| 1287 | |
| 1288 | while (count-- && rl_point < rl_end) |
| 1289 | { |
| 1290 | rl_begin_undo_group (); |
| 1291 | |
| 1292 | rl_delete (1, c); |
| 1293 | #if defined (HANDLE_MULTIBYTE) |
| 1294 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) |
| 1295 | while (_rl_insert_char (1, c)) |
| 1296 | { |
| 1297 | RL_SETSTATE (RL_STATE_MOREINPUT); |
| 1298 | c = rl_read_key (); |
| 1299 | RL_UNSETSTATE (RL_STATE_MOREINPUT); |
| 1300 | } |
| 1301 | else |
| 1302 | #endif |
| 1303 | _rl_insert_char (1, c); |
| 1304 | if (count == 0) |
| 1305 | rl_backward_char (1, c); |
| 1306 | |
| 1307 | rl_end_undo_group (); |
| 1308 | } |
| 1309 | return (0); |
| 1310 | } |
| 1311 | |
| 1312 | int |
| 1313 | rl_vi_subst (count, key) |
| 1314 | int count, key; |
| 1315 | { |
| 1316 | /* If we are redoing, rl_vi_change_to will stuff the last motion char */ |
| 1317 | if (vi_redoing == 0) |
| 1318 | rl_stuff_char ((key == 'S') ? 'c' : ' '); /* `S' == `cc', `s' == `c ' */ |
| 1319 | |
| 1320 | return (rl_vi_change_to (count, 'c')); |
| 1321 | } |
| 1322 | |
| 1323 | int |
| 1324 | rl_vi_overstrike (count, key) |
| 1325 | int count, key; |
| 1326 | { |
| 1327 | if (_rl_vi_doing_insert == 0) |
| 1328 | { |
| 1329 | _rl_vi_doing_insert = 1; |
| 1330 | rl_begin_undo_group (); |
| 1331 | } |
| 1332 | |
| 1333 | if (count > 0) |
| 1334 | { |
| 1335 | _rl_overwrite_char (count, key); |
| 1336 | vi_replace_count += count; |
| 1337 | } |
| 1338 | |
| 1339 | return (0); |
| 1340 | } |
| 1341 | |
| 1342 | int |
| 1343 | rl_vi_overstrike_delete (count, key) |
| 1344 | int count, key; |
| 1345 | { |
| 1346 | int i, s; |
| 1347 | |
| 1348 | for (i = 0; i < count; i++) |
| 1349 | { |
| 1350 | if (vi_replace_count == 0) |
| 1351 | { |
| 1352 | rl_ding (); |
| 1353 | break; |
| 1354 | } |
| 1355 | s = rl_point; |
| 1356 | |
| 1357 | if (rl_do_undo ()) |
| 1358 | vi_replace_count--; |
| 1359 | |
| 1360 | if (rl_point == s) |
| 1361 | rl_backward_char (1, key); |
| 1362 | } |
| 1363 | |
| 1364 | if (vi_replace_count == 0 && _rl_vi_doing_insert) |
| 1365 | { |
| 1366 | rl_end_undo_group (); |
| 1367 | rl_do_undo (); |
| 1368 | _rl_vi_doing_insert = 0; |
| 1369 | } |
| 1370 | return (0); |
| 1371 | } |
| 1372 | |
| 1373 | int |
| 1374 | rl_vi_replace (count, key) |
| 1375 | int count, key; |
| 1376 | { |
| 1377 | int i; |
| 1378 | |
| 1379 | vi_replace_count = 0; |
| 1380 | |
| 1381 | if (!vi_replace_map) |
| 1382 | { |
| 1383 | vi_replace_map = rl_make_bare_keymap (); |
| 1384 | |
| 1385 | for (i = ' '; i < KEYMAP_SIZE; i++) |
| 1386 | vi_replace_map[i].function = rl_vi_overstrike; |
| 1387 | |
| 1388 | vi_replace_map[RUBOUT].function = rl_vi_overstrike_delete; |
| 1389 | vi_replace_map[ESC].function = rl_vi_movement_mode; |
| 1390 | vi_replace_map[RETURN].function = rl_newline; |
| 1391 | vi_replace_map[NEWLINE].function = rl_newline; |
| 1392 | |
| 1393 | /* If the normal vi insertion keymap has ^H bound to erase, do the |
| 1394 | same here. Probably should remove the assignment to RUBOUT up |
| 1395 | there, but I don't think it will make a difference in real life. */ |
| 1396 | if (vi_insertion_keymap[CTRL ('H')].type == ISFUNC && |
| 1397 | vi_insertion_keymap[CTRL ('H')].function == rl_rubout) |
| 1398 | vi_replace_map[CTRL ('H')].function = rl_vi_overstrike_delete; |
| 1399 | |
| 1400 | } |
| 1401 | _rl_keymap = vi_replace_map; |
| 1402 | return (0); |
| 1403 | } |
| 1404 | |
| 1405 | #if 0 |
| 1406 | /* Try to complete the word we are standing on or the word that ends with |
| 1407 | the previous character. A space matches everything. Word delimiters are |
| 1408 | space and ;. */ |
| 1409 | int |
| 1410 | rl_vi_possible_completions() |
| 1411 | { |
| 1412 | int save_pos = rl_point; |
| 1413 | |
| 1414 | if (rl_line_buffer[rl_point] != ' ' && rl_line_buffer[rl_point] != ';') |
| 1415 | { |
| 1416 | while (rl_point < rl_end && rl_line_buffer[rl_point] != ' ' && |
| 1417 | rl_line_buffer[rl_point] != ';') |
| 1418 | rl_point++; |
| 1419 | } |
| 1420 | else if (rl_line_buffer[rl_point - 1] == ';') |
| 1421 | { |
| 1422 | rl_ding (); |
| 1423 | return (0); |
| 1424 | } |
| 1425 | |
| 1426 | rl_possible_completions (); |
| 1427 | rl_point = save_pos; |
| 1428 | |
| 1429 | return (0); |
| 1430 | } |
| 1431 | #endif |
| 1432 | |
| 1433 | /* Functions to save and restore marks. */ |
| 1434 | int |
| 1435 | rl_vi_set_mark (count, key) |
| 1436 | int count, key; |
| 1437 | { |
| 1438 | int ch; |
| 1439 | |
| 1440 | RL_SETSTATE(RL_STATE_MOREINPUT); |
| 1441 | ch = rl_read_key (); |
| 1442 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
| 1443 | |
| 1444 | if (ch < 'a' || ch > 'z') |
| 1445 | { |
| 1446 | rl_ding (); |
| 1447 | return -1; |
| 1448 | } |
| 1449 | ch -= 'a'; |
| 1450 | vi_mark_chars[ch] = rl_point; |
| 1451 | return 0; |
| 1452 | } |
| 1453 | |
| 1454 | int |
| 1455 | rl_vi_goto_mark (count, key) |
| 1456 | int count, key; |
| 1457 | { |
| 1458 | int ch; |
| 1459 | |
| 1460 | RL_SETSTATE(RL_STATE_MOREINPUT); |
| 1461 | ch = rl_read_key (); |
| 1462 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
| 1463 | |
| 1464 | if (ch == '`') |
| 1465 | { |
| 1466 | rl_point = rl_mark; |
| 1467 | return 0; |
| 1468 | } |
| 1469 | else if (ch < 'a' || ch > 'z') |
| 1470 | { |
| 1471 | rl_ding (); |
| 1472 | return -1; |
| 1473 | } |
| 1474 | |
| 1475 | ch -= 'a'; |
| 1476 | if (vi_mark_chars[ch] == -1) |
| 1477 | { |
| 1478 | rl_ding (); |
| 1479 | return -1; |
| 1480 | } |
| 1481 | rl_point = vi_mark_chars[ch]; |
| 1482 | return 0; |
| 1483 | } |
| 1484 | |
| 1485 | #endif /* VI_MODE */ |