| 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) 1987-2005 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 | int _rl_vi_last_command = 'i'; /* default `.' puts you in insert mode */ |
| 67 | |
| 68 | /* Non-zero means enter insertion mode. */ |
| 69 | static int _rl_vi_doing_insert; |
| 70 | |
| 71 | /* Command keys which do movement for xxx_to commands. */ |
| 72 | static const char *vi_motion = " hl^$0ftFT;,%wbeWBE|"; |
| 73 | |
| 74 | /* Keymap used for vi replace characters. Created dynamically since |
| 75 | rarely used. */ |
| 76 | static Keymap vi_replace_map; |
| 77 | |
| 78 | /* The number of characters inserted in the last replace operation. */ |
| 79 | static int vi_replace_count; |
| 80 | |
| 81 | /* If non-zero, we have text inserted after a c[motion] command that put |
| 82 | us implicitly into insert mode. Some people want this text to be |
| 83 | attached to the command so that it is `redoable' with `.'. */ |
| 84 | static int vi_continued_command; |
| 85 | static char *vi_insert_buffer; |
| 86 | static int vi_insert_buffer_size; |
| 87 | |
| 88 | static int _rl_vi_last_repeat = 1; |
| 89 | static int _rl_vi_last_arg_sign = 1; |
| 90 | static int _rl_vi_last_motion; |
| 91 | #if defined (HANDLE_MULTIBYTE) |
| 92 | static char _rl_vi_last_search_mbchar[MB_LEN_MAX]; |
| 93 | static int _rl_vi_last_search_mblen; |
| 94 | #else |
| 95 | static int _rl_vi_last_search_char; |
| 96 | #endif |
| 97 | static int _rl_vi_last_replacement; |
| 98 | |
| 99 | static int _rl_vi_last_key_before_insert; |
| 100 | |
| 101 | static int vi_redoing; |
| 102 | |
| 103 | /* Text modification commands. These are the `redoable' commands. */ |
| 104 | static const char *vi_textmod = "_*\\AaIiCcDdPpYyRrSsXx~"; |
| 105 | |
| 106 | /* Arrays for the saved marks. */ |
| 107 | static int vi_mark_chars['z' - 'a' + 1]; |
| 108 | |
| 109 | static void _rl_vi_stuff_insert PARAMS((int)); |
| 110 | static void _rl_vi_save_insert PARAMS((UNDO_LIST *)); |
| 111 | |
| 112 | static int _rl_vi_arg_dispatch PARAMS((int)); |
| 113 | static int rl_digit_loop1 PARAMS((void)); |
| 114 | |
| 115 | static int _rl_vi_set_mark PARAMS((void)); |
| 116 | static int _rl_vi_goto_mark PARAMS((void)); |
| 117 | |
| 118 | static int _rl_vi_callback_getchar PARAMS((char *, int)); |
| 119 | |
| 120 | #if defined (READLINE_CALLBACKS) |
| 121 | static int _rl_vi_callback_set_mark PARAMS((_rl_callback_generic_arg *)); |
| 122 | static int _rl_vi_callback_goto_mark PARAMS((_rl_callback_generic_arg *)); |
| 123 | static int _rl_vi_callback_change_char PARAMS((_rl_callback_generic_arg *)); |
| 124 | static int _rl_vi_callback_char_search PARAMS((_rl_callback_generic_arg *)); |
| 125 | #endif |
| 126 | |
| 127 | void |
| 128 | _rl_vi_initialize_line () |
| 129 | { |
| 130 | register int i; |
| 131 | |
| 132 | for (i = 0; i < sizeof (vi_mark_chars) / sizeof (int); i++) |
| 133 | vi_mark_chars[i] = -1; |
| 134 | |
| 135 | RL_UNSETSTATE(RL_STATE_VICMDONCE); |
| 136 | } |
| 137 | |
| 138 | void |
| 139 | _rl_vi_reset_last () |
| 140 | { |
| 141 | _rl_vi_last_command = 'i'; |
| 142 | _rl_vi_last_repeat = 1; |
| 143 | _rl_vi_last_arg_sign = 1; |
| 144 | _rl_vi_last_motion = 0; |
| 145 | } |
| 146 | |
| 147 | void |
| 148 | _rl_vi_set_last (key, repeat, sign) |
| 149 | int key, repeat, sign; |
| 150 | { |
| 151 | _rl_vi_last_command = key; |
| 152 | _rl_vi_last_repeat = repeat; |
| 153 | _rl_vi_last_arg_sign = sign; |
| 154 | } |
| 155 | |
| 156 | /* A convenience function that calls _rl_vi_set_last to save the last command |
| 157 | information and enters insertion mode. */ |
| 158 | void |
| 159 | rl_vi_start_inserting (key, repeat, sign) |
| 160 | int key, repeat, sign; |
| 161 | { |
| 162 | _rl_vi_set_last (key, repeat, sign); |
| 163 | rl_vi_insertion_mode (1, key); |
| 164 | } |
| 165 | |
| 166 | /* Is the command C a VI mode text modification command? */ |
| 167 | int |
| 168 | _rl_vi_textmod_command (c) |
| 169 | int c; |
| 170 | { |
| 171 | return (member (c, vi_textmod)); |
| 172 | } |
| 173 | |
| 174 | static void |
| 175 | _rl_vi_stuff_insert (count) |
| 176 | int count; |
| 177 | { |
| 178 | rl_begin_undo_group (); |
| 179 | while (count--) |
| 180 | rl_insert_text (vi_insert_buffer); |
| 181 | rl_end_undo_group (); |
| 182 | } |
| 183 | |
| 184 | /* Bound to `.'. Called from command mode, so we know that we have to |
| 185 | redo a text modification command. The default for _rl_vi_last_command |
| 186 | puts you back into insert mode. */ |
| 187 | int |
| 188 | rl_vi_redo (count, c) |
| 189 | int count, c; |
| 190 | { |
| 191 | int r; |
| 192 | |
| 193 | if (!rl_explicit_arg) |
| 194 | { |
| 195 | rl_numeric_arg = _rl_vi_last_repeat; |
| 196 | rl_arg_sign = _rl_vi_last_arg_sign; |
| 197 | } |
| 198 | |
| 199 | r = 0; |
| 200 | vi_redoing = 1; |
| 201 | /* If we're redoing an insert with `i', stuff in the inserted text |
| 202 | and do not go into insertion mode. */ |
| 203 | if (_rl_vi_last_command == 'i' && vi_insert_buffer && *vi_insert_buffer) |
| 204 | { |
| 205 | _rl_vi_stuff_insert (count); |
| 206 | /* And back up point over the last character inserted. */ |
| 207 | if (rl_point > 0) |
| 208 | rl_point--; |
| 209 | } |
| 210 | else |
| 211 | r = _rl_dispatch (_rl_vi_last_command, _rl_keymap); |
| 212 | vi_redoing = 0; |
| 213 | |
| 214 | return (r); |
| 215 | } |
| 216 | |
| 217 | /* A placeholder for further expansion. */ |
| 218 | int |
| 219 | rl_vi_undo (count, key) |
| 220 | int count, key; |
| 221 | { |
| 222 | return (rl_undo_command (count, key)); |
| 223 | } |
| 224 | |
| 225 | /* Yank the nth arg from the previous line into this line at point. */ |
| 226 | int |
| 227 | rl_vi_yank_arg (count, key) |
| 228 | int count, key; |
| 229 | { |
| 230 | /* Readline thinks that the first word on a line is the 0th, while vi |
| 231 | thinks the first word on a line is the 1st. Compensate. */ |
| 232 | if (rl_explicit_arg) |
| 233 | rl_yank_nth_arg (count - 1, 0); |
| 234 | else |
| 235 | rl_yank_nth_arg ('$', 0); |
| 236 | |
| 237 | return (0); |
| 238 | } |
| 239 | |
| 240 | /* With an argument, move back that many history lines, else move to the |
| 241 | beginning of history. */ |
| 242 | int |
| 243 | rl_vi_fetch_history (count, c) |
| 244 | int count, c; |
| 245 | { |
| 246 | int wanted; |
| 247 | |
| 248 | /* Giving an argument of n means we want the nth command in the history |
| 249 | file. The command number is interpreted the same way that the bash |
| 250 | `history' command does it -- that is, giving an argument count of 450 |
| 251 | to this command would get the command listed as number 450 in the |
| 252 | output of `history'. */ |
| 253 | if (rl_explicit_arg) |
| 254 | { |
| 255 | wanted = history_base + where_history () - count; |
| 256 | if (wanted <= 0) |
| 257 | rl_beginning_of_history (0, 0); |
| 258 | else |
| 259 | rl_get_previous_history (wanted, c); |
| 260 | } |
| 261 | else |
| 262 | rl_beginning_of_history (count, 0); |
| 263 | return (0); |
| 264 | } |
| 265 | |
| 266 | /* Search again for the last thing searched for. */ |
| 267 | int |
| 268 | rl_vi_search_again (count, key) |
| 269 | int count, key; |
| 270 | { |
| 271 | switch (key) |
| 272 | { |
| 273 | case 'n': |
| 274 | rl_noninc_reverse_search_again (count, key); |
| 275 | break; |
| 276 | |
| 277 | case 'N': |
| 278 | rl_noninc_forward_search_again (count, key); |
| 279 | break; |
| 280 | } |
| 281 | return (0); |
| 282 | } |
| 283 | |
| 284 | /* Do a vi style search. */ |
| 285 | int |
| 286 | rl_vi_search (count, key) |
| 287 | int count, key; |
| 288 | { |
| 289 | switch (key) |
| 290 | { |
| 291 | case '?': |
| 292 | _rl_free_saved_history_line (); |
| 293 | rl_noninc_forward_search (count, key); |
| 294 | break; |
| 295 | |
| 296 | case '/': |
| 297 | _rl_free_saved_history_line (); |
| 298 | rl_noninc_reverse_search (count, key); |
| 299 | break; |
| 300 | |
| 301 | default: |
| 302 | rl_ding (); |
| 303 | break; |
| 304 | } |
| 305 | return (0); |
| 306 | } |
| 307 | |
| 308 | /* Completion, from vi's point of view. */ |
| 309 | int |
| 310 | rl_vi_complete (ignore, key) |
| 311 | int ignore, key; |
| 312 | { |
| 313 | if ((rl_point < rl_end) && (!whitespace (rl_line_buffer[rl_point]))) |
| 314 | { |
| 315 | if (!whitespace (rl_line_buffer[rl_point + 1])) |
| 316 | rl_vi_end_word (1, 'E'); |
| 317 | rl_point++; |
| 318 | } |
| 319 | |
| 320 | if (key == '*') |
| 321 | rl_complete_internal ('*'); /* Expansion and replacement. */ |
| 322 | else if (key == '=') |
| 323 | rl_complete_internal ('?'); /* List possible completions. */ |
| 324 | else if (key == '\\') |
| 325 | rl_complete_internal (TAB); /* Standard Readline completion. */ |
| 326 | else |
| 327 | rl_complete (0, key); |
| 328 | |
| 329 | if (key == '*' || key == '\\') |
| 330 | rl_vi_start_inserting (key, 1, rl_arg_sign); |
| 331 | |
| 332 | return (0); |
| 333 | } |
| 334 | |
| 335 | /* Tilde expansion for vi mode. */ |
| 336 | int |
| 337 | rl_vi_tilde_expand (ignore, key) |
| 338 | int ignore, key; |
| 339 | { |
| 340 | rl_tilde_expand (0, key); |
| 341 | rl_vi_start_inserting (key, 1, rl_arg_sign); |
| 342 | return (0); |
| 343 | } |
| 344 | |
| 345 | /* Previous word in vi mode. */ |
| 346 | int |
| 347 | rl_vi_prev_word (count, key) |
| 348 | int count, key; |
| 349 | { |
| 350 | if (count < 0) |
| 351 | return (rl_vi_next_word (-count, key)); |
| 352 | |
| 353 | if (rl_point == 0) |
| 354 | { |
| 355 | rl_ding (); |
| 356 | return (0); |
| 357 | } |
| 358 | |
| 359 | if (_rl_uppercase_p (key)) |
| 360 | rl_vi_bWord (count, key); |
| 361 | else |
| 362 | rl_vi_bword (count, key); |
| 363 | |
| 364 | return (0); |
| 365 | } |
| 366 | |
| 367 | /* Next word in vi mode. */ |
| 368 | int |
| 369 | rl_vi_next_word (count, key) |
| 370 | int count, key; |
| 371 | { |
| 372 | if (count < 0) |
| 373 | return (rl_vi_prev_word (-count, key)); |
| 374 | |
| 375 | if (rl_point >= (rl_end - 1)) |
| 376 | { |
| 377 | rl_ding (); |
| 378 | return (0); |
| 379 | } |
| 380 | |
| 381 | if (_rl_uppercase_p (key)) |
| 382 | rl_vi_fWord (count, key); |
| 383 | else |
| 384 | rl_vi_fword (count, key); |
| 385 | return (0); |
| 386 | } |
| 387 | |
| 388 | /* Move to the end of the ?next? word. */ |
| 389 | int |
| 390 | rl_vi_end_word (count, key) |
| 391 | int count, key; |
| 392 | { |
| 393 | if (count < 0) |
| 394 | { |
| 395 | rl_ding (); |
| 396 | return -1; |
| 397 | } |
| 398 | |
| 399 | if (_rl_uppercase_p (key)) |
| 400 | rl_vi_eWord (count, key); |
| 401 | else |
| 402 | rl_vi_eword (count, key); |
| 403 | return (0); |
| 404 | } |
| 405 | |
| 406 | /* Move forward a word the way that 'W' does. */ |
| 407 | int |
| 408 | rl_vi_fWord (count, ignore) |
| 409 | int count, ignore; |
| 410 | { |
| 411 | while (count-- && rl_point < (rl_end - 1)) |
| 412 | { |
| 413 | /* Skip until whitespace. */ |
| 414 | while (!whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 415 | rl_point++; |
| 416 | |
| 417 | /* Now skip whitespace. */ |
| 418 | while (whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 419 | rl_point++; |
| 420 | } |
| 421 | return (0); |
| 422 | } |
| 423 | |
| 424 | int |
| 425 | rl_vi_bWord (count, ignore) |
| 426 | int count, ignore; |
| 427 | { |
| 428 | while (count-- && rl_point > 0) |
| 429 | { |
| 430 | /* If we are at the start of a word, move back to whitespace so |
| 431 | we will go back to the start of the previous word. */ |
| 432 | if (!whitespace (rl_line_buffer[rl_point]) && |
| 433 | whitespace (rl_line_buffer[rl_point - 1])) |
| 434 | rl_point--; |
| 435 | |
| 436 | while (rl_point > 0 && whitespace (rl_line_buffer[rl_point])) |
| 437 | rl_point--; |
| 438 | |
| 439 | if (rl_point > 0) |
| 440 | { |
| 441 | while (--rl_point >= 0 && !whitespace (rl_line_buffer[rl_point])); |
| 442 | rl_point++; |
| 443 | } |
| 444 | } |
| 445 | return (0); |
| 446 | } |
| 447 | |
| 448 | int |
| 449 | rl_vi_eWord (count, ignore) |
| 450 | int count, ignore; |
| 451 | { |
| 452 | while (count-- && rl_point < (rl_end - 1)) |
| 453 | { |
| 454 | if (!whitespace (rl_line_buffer[rl_point])) |
| 455 | rl_point++; |
| 456 | |
| 457 | /* Move to the next non-whitespace character (to the start of the |
| 458 | next word). */ |
| 459 | while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point])) |
| 460 | rl_point++; |
| 461 | |
| 462 | if (rl_point && rl_point < rl_end) |
| 463 | { |
| 464 | /* Skip whitespace. */ |
| 465 | while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point])) |
| 466 | rl_point++; |
| 467 | |
| 468 | /* Skip until whitespace. */ |
| 469 | while (rl_point < rl_end && !whitespace (rl_line_buffer[rl_point])) |
| 470 | rl_point++; |
| 471 | |
| 472 | /* Move back to the last character of the word. */ |
| 473 | rl_point--; |
| 474 | } |
| 475 | } |
| 476 | return (0); |
| 477 | } |
| 478 | |
| 479 | int |
| 480 | rl_vi_fword (count, ignore) |
| 481 | int count, ignore; |
| 482 | { |
| 483 | while (count-- && rl_point < (rl_end - 1)) |
| 484 | { |
| 485 | /* Move to white space (really non-identifer). */ |
| 486 | if (_rl_isident (rl_line_buffer[rl_point])) |
| 487 | { |
| 488 | while (_rl_isident (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 489 | rl_point++; |
| 490 | } |
| 491 | else /* if (!whitespace (rl_line_buffer[rl_point])) */ |
| 492 | { |
| 493 | while (!_rl_isident (rl_line_buffer[rl_point]) && |
| 494 | !whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 495 | rl_point++; |
| 496 | } |
| 497 | |
| 498 | /* Move past whitespace. */ |
| 499 | while (whitespace (rl_line_buffer[rl_point]) && rl_point < rl_end) |
| 500 | rl_point++; |
| 501 | } |
| 502 | return (0); |
| 503 | } |
| 504 | |
| 505 | int |
| 506 | rl_vi_bword (count, ignore) |
| 507 | int count, ignore; |
| 508 | { |
| 509 | while (count-- && rl_point > 0) |
| 510 | { |
| 511 | int last_is_ident; |
| 512 | |
| 513 | /* If we are at the start of a word, move back to whitespace |
| 514 | so we will go back to the start of the previous word. */ |
| 515 | if (!whitespace (rl_line_buffer[rl_point]) && |
| 516 | whitespace (rl_line_buffer[rl_point - 1])) |
| 517 | rl_point--; |
| 518 | |
| 519 | /* If this character and the previous character are `opposite', move |
| 520 | back so we don't get messed up by the rl_point++ down there in |
| 521 | the while loop. Without this code, words like `l;' screw up the |
| 522 | function. */ |
| 523 | last_is_ident = _rl_isident (rl_line_buffer[rl_point - 1]); |
| 524 | if ((_rl_isident (rl_line_buffer[rl_point]) && !last_is_ident) || |
| 525 | (!_rl_isident (rl_line_buffer[rl_point]) && last_is_ident)) |
| 526 | rl_point--; |
| 527 | |
| 528 | while (rl_point > 0 && whitespace (rl_line_buffer[rl_point])) |
| 529 | rl_point--; |
| 530 | |
| 531 | if (rl_point > 0) |
| 532 | { |
| 533 | if (_rl_isident (rl_line_buffer[rl_point])) |
| 534 | while (--rl_point >= 0 && _rl_isident (rl_line_buffer[rl_point])); |
| 535 | else |
| 536 | while (--rl_point >= 0 && !_rl_isident (rl_line_buffer[rl_point]) && |
| 537 | !whitespace (rl_line_buffer[rl_point])); |
| 538 | rl_point++; |
| 539 | } |
| 540 | } |
| 541 | return (0); |
| 542 | } |
| 543 | |
| 544 | int |
| 545 | rl_vi_eword (count, ignore) |
| 546 | int count, ignore; |
| 547 | { |
| 548 | while (count-- && rl_point < rl_end - 1) |
| 549 | { |
| 550 | if (!whitespace (rl_line_buffer[rl_point])) |
| 551 | rl_point++; |
| 552 | |
| 553 | while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point])) |
| 554 | rl_point++; |
| 555 | |
| 556 | if (rl_point < rl_end) |
| 557 | { |
| 558 | if (_rl_isident (rl_line_buffer[rl_point])) |
| 559 | while (++rl_point < rl_end && _rl_isident (rl_line_buffer[rl_point])); |
| 560 | else |
| 561 | while (++rl_point < rl_end && !_rl_isident (rl_line_buffer[rl_point]) |
| 562 | && !whitespace (rl_line_buffer[rl_point])); |
| 563 | } |
| 564 | rl_point--; |
| 565 | } |
| 566 | return (0); |
| 567 | } |
| 568 | |
| 569 | int |
| 570 | rl_vi_insert_beg (count, key) |
| 571 | int count, key; |
| 572 | { |
| 573 | rl_beg_of_line (1, key); |
| 574 | rl_vi_insertion_mode (1, key); |
| 575 | return (0); |
| 576 | } |
| 577 | |
| 578 | int |
| 579 | rl_vi_append_mode (count, key) |
| 580 | int count, key; |
| 581 | { |
| 582 | if (rl_point < rl_end) |
| 583 | { |
| 584 | if (MB_CUR_MAX == 1 || rl_byte_oriented) |
| 585 | rl_point++; |
| 586 | else |
| 587 | { |
| 588 | int point = rl_point; |
| 589 | rl_forward_char (1, key); |
| 590 | if (point == rl_point) |
| 591 | rl_point = rl_end; |
| 592 | } |
| 593 | } |
| 594 | rl_vi_insertion_mode (1, key); |
| 595 | return (0); |
| 596 | } |
| 597 | |
| 598 | int |
| 599 | rl_vi_append_eol (count, key) |
| 600 | int count, key; |
| 601 | { |
| 602 | rl_end_of_line (1, key); |
| 603 | rl_vi_append_mode (1, key); |
| 604 | return (0); |
| 605 | } |
| 606 | |
| 607 | /* What to do in the case of C-d. */ |
| 608 | int |
| 609 | rl_vi_eof_maybe (count, c) |
| 610 | int count, c; |
| 611 | { |
| 612 | return (rl_newline (1, '\n')); |
| 613 | } |
| 614 | |
| 615 | /* Insertion mode stuff. */ |
| 616 | |
| 617 | /* Switching from one mode to the other really just involves |
| 618 | switching keymaps. */ |
| 619 | int |
| 620 | rl_vi_insertion_mode (count, key) |
| 621 | int count, key; |
| 622 | { |
| 623 | _rl_keymap = vi_insertion_keymap; |
| 624 | _rl_vi_last_key_before_insert = key; |
| 625 | return (0); |
| 626 | } |
| 627 | |
| 628 | static void |
| 629 | _rl_vi_save_insert (up) |
| 630 | UNDO_LIST *up; |
| 631 | { |
| 632 | int len, start, end; |
| 633 | |
| 634 | if (up == 0) |
| 635 | { |
| 636 | if (vi_insert_buffer_size >= 1) |
| 637 | vi_insert_buffer[0] = '\0'; |
| 638 | return; |
| 639 | } |
| 640 | |
| 641 | start = up->start; |
| 642 | end = up->end; |
| 643 | len = end - start + 1; |
| 644 | if (len >= vi_insert_buffer_size) |
| 645 | { |
| 646 | vi_insert_buffer_size += (len + 32) - (len % 32); |
| 647 | vi_insert_buffer = (char *)xrealloc (vi_insert_buffer, vi_insert_buffer_size); |
| 648 | } |
| 649 | strncpy (vi_insert_buffer, rl_line_buffer + start, len - 1); |
| 650 | vi_insert_buffer[len-1] = '\0'; |
| 651 | } |
| 652 | |
| 653 | void |
| 654 | _rl_vi_done_inserting () |
| 655 | { |
| 656 | if (_rl_vi_doing_insert) |
| 657 | { |
| 658 | /* The `C', `s', and `S' commands set this. */ |
| 659 | rl_end_undo_group (); |
| 660 | /* Now, the text between rl_undo_list->next->start and |
| 661 | rl_undo_list->next->end is what was inserted while in insert |
| 662 | mode. It gets copied to VI_INSERT_BUFFER because it depends |
| 663 | on absolute indices into the line which may change (though they |
| 664 | probably will not). */ |
| 665 | _rl_vi_doing_insert = 0; |
| 666 | _rl_vi_save_insert (rl_undo_list->next); |
| 667 | vi_continued_command = 1; |
| 668 | } |
| 669 | else |
| 670 | { |
| 671 | if ((_rl_vi_last_key_before_insert == 'i' || _rl_vi_last_key_before_insert == 'a') && rl_undo_list) |
| 672 | _rl_vi_save_insert (rl_undo_list); |
| 673 | /* XXX - Other keys probably need to be checked. */ |
| 674 | else if (_rl_vi_last_key_before_insert == 'C') |
| 675 | rl_end_undo_group (); |
| 676 | while (_rl_undo_group_level > 0) |
| 677 | rl_end_undo_group (); |
| 678 | vi_continued_command = 0; |
| 679 | } |
| 680 | } |
| 681 | |
| 682 | int |
| 683 | rl_vi_movement_mode (count, key) |
| 684 | int count, key; |
| 685 | { |
| 686 | if (rl_point > 0) |
| 687 | rl_backward_char (1, key); |
| 688 | |
| 689 | _rl_keymap = vi_movement_keymap; |
| 690 | _rl_vi_done_inserting (); |
| 691 | |
| 692 | /* This is how POSIX.2 says `U' should behave -- everything up until the |
| 693 | first time you go into command mode should not be undone. */ |
| 694 | if (RL_ISSTATE (RL_STATE_VICMDONCE) == 0) |
| 695 | rl_free_undo_list (); |
| 696 | |
| 697 | RL_SETSTATE (RL_STATE_VICMDONCE); |
| 698 | return (0); |
| 699 | } |
| 700 | |
| 701 | int |
| 702 | rl_vi_arg_digit (count, c) |
| 703 | int count, c; |
| 704 | { |
| 705 | if (c == '0' && rl_numeric_arg == 1 && !rl_explicit_arg) |
| 706 | return (rl_beg_of_line (1, c)); |
| 707 | else |
| 708 | return (rl_digit_argument (count, c)); |
| 709 | } |
| 710 | |
| 711 | /* Change the case of the next COUNT characters. */ |
| 712 | #if defined (HANDLE_MULTIBYTE) |
| 713 | static int |
| 714 | _rl_vi_change_mbchar_case (count) |
| 715 | int count; |
| 716 | { |
| 717 | wchar_t wc; |
| 718 | char mb[MB_LEN_MAX+1]; |
| 719 | int mblen, p; |
| 720 | mbstate_t ps; |
| 721 | |
| 722 | memset (&ps, 0, sizeof (mbstate_t)); |
| 723 | if (_rl_adjust_point (rl_line_buffer, rl_point, &ps) > 0) |
| 724 | count--; |
| 725 | while (count-- && rl_point < rl_end) |
| 726 | { |
| 727 | mbrtowc (&wc, rl_line_buffer + rl_point, rl_end - rl_point, &ps); |
| 728 | if (iswupper (wc)) |
| 729 | wc = towlower (wc); |
| 730 | else if (iswlower (wc)) |
| 731 | wc = towupper (wc); |
| 732 | else |
| 733 | { |
| 734 | /* Just skip over chars neither upper nor lower case */ |
| 735 | rl_forward_char (1, 0); |
| 736 | continue; |
| 737 | } |
| 738 | |
| 739 | /* Vi is kind of strange here. */ |
| 740 | if (wc) |
| 741 | { |
| 742 | p = rl_point; |
| 743 | mblen = wcrtomb (mb, wc, &ps); |
| 744 | if (mblen >= 0) |
| 745 | mb[mblen] = '\0'; |
| 746 | rl_begin_undo_group (); |
| 747 | rl_vi_delete (1, 0); |
| 748 | if (rl_point < p) /* Did we retreat at EOL? */ |
| 749 | rl_point++; /* XXX - should we advance more than 1 for mbchar? */ |
| 750 | rl_insert_text (mb); |
| 751 | rl_end_undo_group (); |
| 752 | rl_vi_check (); |
| 753 | } |
| 754 | else |
| 755 | rl_forward_char (1, 0); |
| 756 | } |
| 757 | |
| 758 | return 0; |
| 759 | } |
| 760 | #endif |
| 761 | |
| 762 | int |
| 763 | rl_vi_change_case (count, ignore) |
| 764 | int count, ignore; |
| 765 | { |
| 766 | int c, p; |
| 767 | |
| 768 | /* Don't try this on an empty line. */ |
| 769 | if (rl_point >= rl_end) |
| 770 | return (0); |
| 771 | |
| 772 | c = 0; |
| 773 | #if defined (HANDLE_MULTIBYTE) |
| 774 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) |
| 775 | return (_rl_vi_change_mbchar_case (count)); |
| 776 | #endif |
| 777 | |
| 778 | while (count-- && rl_point < rl_end) |
| 779 | { |
| 780 | if (_rl_uppercase_p (rl_line_buffer[rl_point])) |
| 781 | c = _rl_to_lower (rl_line_buffer[rl_point]); |
| 782 | else if (_rl_lowercase_p (rl_line_buffer[rl_point])) |
| 783 | c = _rl_to_upper (rl_line_buffer[rl_point]); |
| 784 | else |
| 785 | { |
| 786 | /* Just skip over characters neither upper nor lower case. */ |
| 787 | rl_forward_char (1, c); |
| 788 | continue; |
| 789 | } |
| 790 | |
| 791 | /* Vi is kind of strange here. */ |
| 792 | if (c) |
| 793 | { |
| 794 | p = rl_point; |
| 795 | rl_begin_undo_group (); |
| 796 | rl_vi_delete (1, c); |
| 797 | if (rl_point < p) /* Did we retreat at EOL? */ |
| 798 | rl_point++; |
| 799 | _rl_insert_char (1, c); |
| 800 | rl_end_undo_group (); |
| 801 | rl_vi_check (); |
| 802 | } |
| 803 | else |
| 804 | rl_forward_char (1, c); |
| 805 | } |
| 806 | return (0); |
| 807 | } |
| 808 | |
| 809 | int |
| 810 | rl_vi_put (count, key) |
| 811 | int count, key; |
| 812 | { |
| 813 | if (!_rl_uppercase_p (key) && (rl_point + 1 <= rl_end)) |
| 814 | rl_point = _rl_find_next_mbchar (rl_line_buffer, rl_point, 1, MB_FIND_NONZERO); |
| 815 | |
| 816 | while (count--) |
| 817 | rl_yank (1, key); |
| 818 | |
| 819 | rl_backward_char (1, key); |
| 820 | return (0); |
| 821 | } |
| 822 | |
| 823 | int |
| 824 | rl_vi_check () |
| 825 | { |
| 826 | if (rl_point && rl_point == rl_end) |
| 827 | { |
| 828 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) |
| 829 | rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO); |
| 830 | else |
| 831 | rl_point--; |
| 832 | } |
| 833 | return (0); |
| 834 | } |
| 835 | |
| 836 | int |
| 837 | rl_vi_column (count, key) |
| 838 | int count, key; |
| 839 | { |
| 840 | if (count > rl_end) |
| 841 | rl_end_of_line (1, key); |
| 842 | else |
| 843 | rl_point = count - 1; |
| 844 | return (0); |
| 845 | } |
| 846 | |
| 847 | int |
| 848 | rl_vi_domove (key, nextkey) |
| 849 | int key, *nextkey; |
| 850 | { |
| 851 | int c, save; |
| 852 | int old_end; |
| 853 | |
| 854 | rl_mark = rl_point; |
| 855 | RL_SETSTATE(RL_STATE_MOREINPUT); |
| 856 | c = rl_read_key (); |
| 857 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
| 858 | *nextkey = c; |
| 859 | |
| 860 | if (!member (c, vi_motion)) |
| 861 | { |
| 862 | if (_rl_digit_p (c)) |
| 863 | { |
| 864 | save = rl_numeric_arg; |
| 865 | rl_numeric_arg = _rl_digit_value (c); |
| 866 | rl_explicit_arg = 1; |
| 867 | RL_SETSTATE (RL_STATE_NUMERICARG|RL_STATE_VIMOTION); |
| 868 | rl_digit_loop1 (); |
| 869 | RL_UNSETSTATE (RL_STATE_VIMOTION); |
| 870 | rl_numeric_arg *= save; |
| 871 | RL_SETSTATE(RL_STATE_MOREINPUT); |
| 872 | c = rl_read_key (); /* real command */ |
| 873 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
| 874 | *nextkey = c; |
| 875 | } |
| 876 | else if (key == c && (key == 'd' || key == 'y' || key == 'c')) |
| 877 | { |
| 878 | rl_mark = rl_end; |
| 879 | rl_beg_of_line (1, c); |
| 880 | _rl_vi_last_motion = c; |
| 881 | return (0); |
| 882 | } |
| 883 | else |
| 884 | return (-1); |
| 885 | } |
| 886 | |
| 887 | _rl_vi_last_motion = c; |
| 888 | |
| 889 | /* Append a blank character temporarily so that the motion routines |
| 890 | work right at the end of the line. */ |
| 891 | old_end = rl_end; |
| 892 | rl_line_buffer[rl_end++] = ' '; |
| 893 | rl_line_buffer[rl_end] = '\0'; |
| 894 | |
| 895 | _rl_dispatch (c, _rl_keymap); |
| 896 | |
| 897 | /* Remove the blank that we added. */ |
| 898 | rl_end = old_end; |
| 899 | rl_line_buffer[rl_end] = '\0'; |
| 900 | if (rl_point > rl_end) |
| 901 | rl_point = rl_end; |
| 902 | |
| 903 | /* No change in position means the command failed. */ |
| 904 | if (rl_mark == rl_point) |
| 905 | return (-1); |
| 906 | |
| 907 | /* rl_vi_f[wW]ord () leaves the cursor on the first character of the next |
| 908 | word. If we are not at the end of the line, and we are on a |
| 909 | non-whitespace character, move back one (presumably to whitespace). */ |
| 910 | if ((_rl_to_upper (c) == 'W') && rl_point < rl_end && rl_point > rl_mark && |
| 911 | !whitespace (rl_line_buffer[rl_point])) |
| 912 | rl_point--; |
| 913 | |
| 914 | /* If cw or cW, back up to the end of a word, so the behaviour of ce |
| 915 | or cE is the actual result. Brute-force, no subtlety. */ |
| 916 | if (key == 'c' && rl_point >= rl_mark && (_rl_to_upper (c) == 'W')) |
| 917 | { |
| 918 | /* Don't move farther back than where we started. */ |
| 919 | while (rl_point > rl_mark && whitespace (rl_line_buffer[rl_point])) |
| 920 | rl_point--; |
| 921 | |
| 922 | /* Posix.2 says that if cw or cW moves the cursor towards the end of |
| 923 | the line, the character under the cursor should be deleted. */ |
| 924 | if (rl_point == rl_mark) |
| 925 | rl_point++; |
| 926 | else |
| 927 | { |
| 928 | /* Move past the end of the word so that the kill doesn't |
| 929 | remove the last letter of the previous word. Only do this |
| 930 | if we are not at the end of the line. */ |
| 931 | if (rl_point >= 0 && rl_point < (rl_end - 1) && !whitespace (rl_line_buffer[rl_point])) |
| 932 | rl_point++; |
| 933 | } |
| 934 | } |
| 935 | |
| 936 | if (rl_mark < rl_point) |
| 937 | SWAP (rl_point, rl_mark); |
| 938 | |
| 939 | return (0); |
| 940 | } |
| 941 | |
| 942 | /* Process C as part of the current numeric argument. Return -1 if the |
| 943 | argument should be aborted, 0 if we should not read any more chars, and |
| 944 | 1 if we should continue to read chars. */ |
| 945 | static int |
| 946 | _rl_vi_arg_dispatch (c) |
| 947 | int c; |
| 948 | { |
| 949 | int key; |
| 950 | |
| 951 | key = c; |
| 952 | if (c >= 0 && _rl_keymap[c].type == ISFUNC && _rl_keymap[c].function == rl_universal_argument) |
| 953 | { |
| 954 | rl_numeric_arg *= 4; |
| 955 | return 1; |
| 956 | } |
| 957 | |
| 958 | c = UNMETA (c); |
| 959 | |
| 960 | if (_rl_digit_p (c)) |
| 961 | { |
| 962 | if (rl_explicit_arg) |
| 963 | rl_numeric_arg = (rl_numeric_arg * 10) + _rl_digit_value (c); |
| 964 | else |
| 965 | rl_numeric_arg = _rl_digit_value (c); |
| 966 | rl_explicit_arg = 1; |
| 967 | return 1; |
| 968 | } |
| 969 | else |
| 970 | { |
| 971 | rl_clear_message (); |
| 972 | rl_stuff_char (key); |
| 973 | return 0; |
| 974 | } |
| 975 | } |
| 976 | |
| 977 | /* A simplified loop for vi. Don't dispatch key at end. |
| 978 | Don't recognize minus sign? |
| 979 | Should this do rl_save_prompt/rl_restore_prompt? */ |
| 980 | static int |
| 981 | rl_digit_loop1 () |
| 982 | { |
| 983 | int c, r; |
| 984 | |
| 985 | while (1) |
| 986 | { |
| 987 | if (_rl_arg_overflow ()) |
| 988 | return 1; |
| 989 | |
| 990 | c = _rl_arg_getchar (); |
| 991 | |
| 992 | r = _rl_vi_arg_dispatch (c); |
| 993 | if (r <= 0) |
| 994 | break; |
| 995 | } |
| 996 | |
| 997 | RL_UNSETSTATE(RL_STATE_NUMERICARG); |
| 998 | return (0); |
| 999 | } |
| 1000 | |
| 1001 | int |
| 1002 | rl_vi_delete_to (count, key) |
| 1003 | int count, key; |
| 1004 | { |
| 1005 | int c; |
| 1006 | |
| 1007 | if (_rl_uppercase_p (key)) |
| 1008 | rl_stuff_char ('$'); |
| 1009 | else if (vi_redoing) |
| 1010 | rl_stuff_char (_rl_vi_last_motion); |
| 1011 | |
| 1012 | if (rl_vi_domove (key, &c)) |
| 1013 | { |
| 1014 | rl_ding (); |
| 1015 | return -1; |
| 1016 | } |
| 1017 | |
| 1018 | /* These are the motion commands that do not require adjusting the |
| 1019 | mark. */ |
| 1020 | if ((strchr (" l|h^0bB", c) == 0) && (rl_mark < rl_end)) |
| 1021 | rl_mark++; |
| 1022 | |
| 1023 | rl_kill_text (rl_point, rl_mark); |
| 1024 | return (0); |
| 1025 | } |
| 1026 | |
| 1027 | int |
| 1028 | rl_vi_change_to (count, key) |
| 1029 | int count, key; |
| 1030 | { |
| 1031 | int c, start_pos; |
| 1032 | |
| 1033 | if (_rl_uppercase_p (key)) |
| 1034 | rl_stuff_char ('$'); |
| 1035 | else if (vi_redoing) |
| 1036 | rl_stuff_char (_rl_vi_last_motion); |
| 1037 | |
| 1038 | start_pos = rl_point; |
| 1039 | |
| 1040 | if (rl_vi_domove (key, &c)) |
| 1041 | { |
| 1042 | rl_ding (); |
| 1043 | return -1; |
| 1044 | } |
| 1045 | |
| 1046 | /* These are the motion commands that do not require adjusting the |
| 1047 | mark. c[wW] are handled by special-case code in rl_vi_domove(), |
| 1048 | and already leave the mark at the correct location. */ |
| 1049 | if ((strchr (" l|hwW^0bB", c) == 0) && (rl_mark < rl_end)) |
| 1050 | rl_mark++; |
| 1051 | |
| 1052 | /* The cursor never moves with c[wW]. */ |
| 1053 | if ((_rl_to_upper (c) == 'W') && rl_point < start_pos) |
| 1054 | rl_point = start_pos; |
| 1055 | |
| 1056 | if (vi_redoing) |
| 1057 | { |
| 1058 | if (vi_insert_buffer && *vi_insert_buffer) |
| 1059 | rl_begin_undo_group (); |
| 1060 | rl_delete_text (rl_point, rl_mark); |
| 1061 | if (vi_insert_buffer && *vi_insert_buffer) |
| 1062 | { |
| 1063 | rl_insert_text (vi_insert_buffer); |
| 1064 | rl_end_undo_group (); |
| 1065 | } |
| 1066 | } |
| 1067 | else |
| 1068 | { |
| 1069 | rl_begin_undo_group (); /* to make the `u' command work */ |
| 1070 | rl_kill_text (rl_point, rl_mark); |
| 1071 | /* `C' does not save the text inserted for undoing or redoing. */ |
| 1072 | if (_rl_uppercase_p (key) == 0) |
| 1073 | _rl_vi_doing_insert = 1; |
| 1074 | rl_vi_start_inserting (key, rl_numeric_arg, rl_arg_sign); |
| 1075 | } |
| 1076 | |
| 1077 | return (0); |
| 1078 | } |
| 1079 | |
| 1080 | int |
| 1081 | rl_vi_yank_to (count, key) |
| 1082 | int count, key; |
| 1083 | { |
| 1084 | int c, save; |
| 1085 | |
| 1086 | save = rl_point; |
| 1087 | if (_rl_uppercase_p (key)) |
| 1088 | rl_stuff_char ('$'); |
| 1089 | |
| 1090 | if (rl_vi_domove (key, &c)) |
| 1091 | { |
| 1092 | rl_ding (); |
| 1093 | return -1; |
| 1094 | } |
| 1095 | |
| 1096 | /* These are the motion commands that do not require adjusting the |
| 1097 | mark. */ |
| 1098 | if ((strchr (" l|h^0%bB", c) == 0) && (rl_mark < rl_end)) |
| 1099 | rl_mark++; |
| 1100 | |
| 1101 | rl_begin_undo_group (); |
| 1102 | rl_kill_text (rl_point, rl_mark); |
| 1103 | rl_end_undo_group (); |
| 1104 | rl_do_undo (); |
| 1105 | rl_point = save; |
| 1106 | |
| 1107 | return (0); |
| 1108 | } |
| 1109 | |
| 1110 | int |
| 1111 | rl_vi_rubout (count, key) |
| 1112 | int count, key; |
| 1113 | { |
| 1114 | int p, opoint; |
| 1115 | |
| 1116 | if (count < 0) |
| 1117 | return (rl_vi_delete (-count, key)); |
| 1118 | |
| 1119 | if (rl_point == 0) |
| 1120 | { |
| 1121 | rl_ding (); |
| 1122 | return -1; |
| 1123 | } |
| 1124 | |
| 1125 | opoint = rl_point; |
| 1126 | if (count > 1 && MB_CUR_MAX > 1 && rl_byte_oriented == 0) |
| 1127 | rl_backward_char (count, key); |
| 1128 | else if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) |
| 1129 | rl_point = _rl_find_prev_mbchar (rl_line_buffer, rl_point, MB_FIND_NONZERO); |
| 1130 | else |
| 1131 | rl_point -= count; |
| 1132 | |
| 1133 | if (rl_point < 0) |
| 1134 | rl_point = 0; |
| 1135 | |
| 1136 | rl_kill_text (rl_point, opoint); |
| 1137 | |
| 1138 | return (0); |
| 1139 | } |
| 1140 | |
| 1141 | int |
| 1142 | rl_vi_delete (count, key) |
| 1143 | int count, key; |
| 1144 | { |
| 1145 | int end; |
| 1146 | |
| 1147 | if (count < 0) |
| 1148 | return (rl_vi_rubout (-count, key)); |
| 1149 | |
| 1150 | if (rl_end == 0) |
| 1151 | { |
| 1152 | rl_ding (); |
| 1153 | return -1; |
| 1154 | } |
| 1155 | |
| 1156 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) |
| 1157 | end = _rl_find_next_mbchar (rl_line_buffer, rl_point, count, MB_FIND_NONZERO); |
| 1158 | else |
| 1159 | end = rl_point + count; |
| 1160 | |
| 1161 | if (end >= rl_end) |
| 1162 | end = rl_end; |
| 1163 | |
| 1164 | rl_kill_text (rl_point, end); |
| 1165 | |
| 1166 | if (rl_point > 0 && rl_point == rl_end) |
| 1167 | rl_backward_char (1, key); |
| 1168 | |
| 1169 | return (0); |
| 1170 | } |
| 1171 | |
| 1172 | int |
| 1173 | rl_vi_back_to_indent (count, key) |
| 1174 | int count, key; |
| 1175 | { |
| 1176 | rl_beg_of_line (1, key); |
| 1177 | while (rl_point < rl_end && whitespace (rl_line_buffer[rl_point])) |
| 1178 | rl_point++; |
| 1179 | return (0); |
| 1180 | } |
| 1181 | |
| 1182 | int |
| 1183 | rl_vi_first_print (count, key) |
| 1184 | int count, key; |
| 1185 | { |
| 1186 | return (rl_vi_back_to_indent (1, key)); |
| 1187 | } |
| 1188 | |
| 1189 | static int _rl_cs_dir, _rl_cs_orig_dir; |
| 1190 | |
| 1191 | #if defined (READLINE_CALLBACKS) |
| 1192 | static int |
| 1193 | _rl_vi_callback_char_search (data) |
| 1194 | _rl_callback_generic_arg *data; |
| 1195 | { |
| 1196 | #if defined (HANDLE_MULTIBYTE) |
| 1197 | _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX); |
| 1198 | #else |
| 1199 | RL_SETSTATE(RL_STATE_MOREINPUT); |
| 1200 | _rl_vi_last_search_char = rl_read_key (); |
| 1201 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
| 1202 | #endif |
| 1203 | |
| 1204 | _rl_callback_func = 0; |
| 1205 | _rl_want_redisplay = 1; |
| 1206 | |
| 1207 | #if defined (HANDLE_MULTIBYTE) |
| 1208 | return (_rl_char_search_internal (data->count, _rl_cs_dir, _rl_vi_last_search_mbchar, _rl_vi_last_search_mblen)); |
| 1209 | #else |
| 1210 | return (_rl_char_search_internal (data->count, _rl_cs_dir, _rl_vi_last_search_char)); |
| 1211 | #endif |
| 1212 | } |
| 1213 | #endif |
| 1214 | |
| 1215 | int |
| 1216 | rl_vi_char_search (count, key) |
| 1217 | int count, key; |
| 1218 | { |
| 1219 | #if defined (HANDLE_MULTIBYTE) |
| 1220 | static char *target; |
| 1221 | static int tlen; |
| 1222 | #else |
| 1223 | static char target; |
| 1224 | #endif |
| 1225 | |
| 1226 | if (key == ';' || key == ',') |
| 1227 | _rl_cs_dir = (key == ';') ? _rl_cs_orig_dir : -_rl_cs_orig_dir; |
| 1228 | else |
| 1229 | { |
| 1230 | switch (key) |
| 1231 | { |
| 1232 | case 't': |
| 1233 | _rl_cs_orig_dir = _rl_cs_dir = FTO; |
| 1234 | break; |
| 1235 | |
| 1236 | case 'T': |
| 1237 | _rl_cs_orig_dir = _rl_cs_dir = BTO; |
| 1238 | break; |
| 1239 | |
| 1240 | case 'f': |
| 1241 | _rl_cs_orig_dir = _rl_cs_dir = FFIND; |
| 1242 | break; |
| 1243 | |
| 1244 | case 'F': |
| 1245 | _rl_cs_orig_dir = _rl_cs_dir = BFIND; |
| 1246 | break; |
| 1247 | } |
| 1248 | |
| 1249 | if (vi_redoing) |
| 1250 | { |
| 1251 | /* set target and tlen below */ |
| 1252 | } |
| 1253 | #if defined (READLINE_CALLBACKS) |
| 1254 | else if (RL_ISSTATE (RL_STATE_CALLBACK)) |
| 1255 | { |
| 1256 | _rl_callback_data = _rl_callback_data_alloc (count); |
| 1257 | _rl_callback_data->i1 = _rl_cs_dir; |
| 1258 | _rl_callback_func = _rl_vi_callback_char_search; |
| 1259 | return (0); |
| 1260 | } |
| 1261 | #endif |
| 1262 | else |
| 1263 | { |
| 1264 | #if defined (HANDLE_MULTIBYTE) |
| 1265 | _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX); |
| 1266 | #else |
| 1267 | RL_SETSTATE(RL_STATE_MOREINPUT); |
| 1268 | _rl_vi_last_search_char = rl_read_key (); |
| 1269 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
| 1270 | #endif |
| 1271 | } |
| 1272 | } |
| 1273 | |
| 1274 | #if defined (HANDLE_MULTIBYTE) |
| 1275 | target = _rl_vi_last_search_mbchar; |
| 1276 | tlen = _rl_vi_last_search_mblen; |
| 1277 | #else |
| 1278 | target = _rl_vi_last_search_char; |
| 1279 | #endif |
| 1280 | |
| 1281 | #if defined (HANDLE_MULTIBYTE) |
| 1282 | return (_rl_char_search_internal (count, _rl_cs_dir, target, tlen)); |
| 1283 | #else |
| 1284 | return (_rl_char_search_internal (count, _rl_cs_dir, target)); |
| 1285 | #endif |
| 1286 | } |
| 1287 | |
| 1288 | /* Match brackets */ |
| 1289 | int |
| 1290 | rl_vi_match (ignore, key) |
| 1291 | int ignore, key; |
| 1292 | { |
| 1293 | int count = 1, brack, pos, tmp, pre; |
| 1294 | |
| 1295 | pos = rl_point; |
| 1296 | if ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0) |
| 1297 | { |
| 1298 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) |
| 1299 | { |
| 1300 | while ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0) |
| 1301 | { |
| 1302 | pre = rl_point; |
| 1303 | rl_forward_char (1, key); |
| 1304 | if (pre == rl_point) |
| 1305 | break; |
| 1306 | } |
| 1307 | } |
| 1308 | else |
| 1309 | while ((brack = rl_vi_bracktype (rl_line_buffer[rl_point])) == 0 && |
| 1310 | rl_point < rl_end - 1) |
| 1311 | rl_forward_char (1, key); |
| 1312 | |
| 1313 | if (brack <= 0) |
| 1314 | { |
| 1315 | rl_point = pos; |
| 1316 | rl_ding (); |
| 1317 | return -1; |
| 1318 | } |
| 1319 | } |
| 1320 | |
| 1321 | pos = rl_point; |
| 1322 | |
| 1323 | if (brack < 0) |
| 1324 | { |
| 1325 | while (count) |
| 1326 | { |
| 1327 | tmp = pos; |
| 1328 | if (MB_CUR_MAX == 1 || rl_byte_oriented) |
| 1329 | pos--; |
| 1330 | else |
| 1331 | { |
| 1332 | pos = _rl_find_prev_mbchar (rl_line_buffer, pos, MB_FIND_ANY); |
| 1333 | if (tmp == pos) |
| 1334 | pos--; |
| 1335 | } |
| 1336 | if (pos >= 0) |
| 1337 | { |
| 1338 | int b = rl_vi_bracktype (rl_line_buffer[pos]); |
| 1339 | if (b == -brack) |
| 1340 | count--; |
| 1341 | else if (b == brack) |
| 1342 | count++; |
| 1343 | } |
| 1344 | else |
| 1345 | { |
| 1346 | rl_ding (); |
| 1347 | return -1; |
| 1348 | } |
| 1349 | } |
| 1350 | } |
| 1351 | else |
| 1352 | { /* brack > 0 */ |
| 1353 | while (count) |
| 1354 | { |
| 1355 | if (MB_CUR_MAX == 1 || rl_byte_oriented) |
| 1356 | pos++; |
| 1357 | else |
| 1358 | pos = _rl_find_next_mbchar (rl_line_buffer, pos, 1, MB_FIND_ANY); |
| 1359 | |
| 1360 | if (pos < rl_end) |
| 1361 | { |
| 1362 | int b = rl_vi_bracktype (rl_line_buffer[pos]); |
| 1363 | if (b == -brack) |
| 1364 | count--; |
| 1365 | else if (b == brack) |
| 1366 | count++; |
| 1367 | } |
| 1368 | else |
| 1369 | { |
| 1370 | rl_ding (); |
| 1371 | return -1; |
| 1372 | } |
| 1373 | } |
| 1374 | } |
| 1375 | rl_point = pos; |
| 1376 | return (0); |
| 1377 | } |
| 1378 | |
| 1379 | int |
| 1380 | rl_vi_bracktype (c) |
| 1381 | int c; |
| 1382 | { |
| 1383 | switch (c) |
| 1384 | { |
| 1385 | case '(': return 1; |
| 1386 | case ')': return -1; |
| 1387 | case '[': return 2; |
| 1388 | case ']': return -2; |
| 1389 | case '{': return 3; |
| 1390 | case '}': return -3; |
| 1391 | default: return 0; |
| 1392 | } |
| 1393 | } |
| 1394 | |
| 1395 | static int |
| 1396 | _rl_vi_change_char (count, c, mb) |
| 1397 | int count, c; |
| 1398 | char *mb; |
| 1399 | { |
| 1400 | int p; |
| 1401 | |
| 1402 | if (c == '\033' || c == CTRL ('C')) |
| 1403 | return -1; |
| 1404 | |
| 1405 | rl_begin_undo_group (); |
| 1406 | while (count-- && rl_point < rl_end) |
| 1407 | { |
| 1408 | p = rl_point; |
| 1409 | rl_vi_delete (1, c); |
| 1410 | if (rl_point < p) /* Did we retreat at EOL? */ |
| 1411 | rl_point++; |
| 1412 | #if defined (HANDLE_MULTIBYTE) |
| 1413 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) |
| 1414 | rl_insert_text (mb); |
| 1415 | else |
| 1416 | #endif |
| 1417 | _rl_insert_char (1, c); |
| 1418 | } |
| 1419 | |
| 1420 | /* The cursor shall be left on the last character changed. */ |
| 1421 | rl_backward_char (1, c); |
| 1422 | |
| 1423 | rl_end_undo_group (); |
| 1424 | |
| 1425 | return (0); |
| 1426 | } |
| 1427 | |
| 1428 | static int |
| 1429 | _rl_vi_callback_getchar (mb, mblen) |
| 1430 | char *mb; |
| 1431 | int mblen; |
| 1432 | { |
| 1433 | int c; |
| 1434 | |
| 1435 | RL_SETSTATE(RL_STATE_MOREINPUT); |
| 1436 | c = rl_read_key (); |
| 1437 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
| 1438 | |
| 1439 | #if defined (HANDLE_MULTIBYTE) |
| 1440 | if (MB_CUR_MAX > 1 && rl_byte_oriented == 0) |
| 1441 | c = _rl_read_mbstring (c, mb, mblen); |
| 1442 | #endif |
| 1443 | |
| 1444 | return c; |
| 1445 | } |
| 1446 | |
| 1447 | #if defined (READLINE_CALLBACKS) |
| 1448 | static int |
| 1449 | _rl_vi_callback_change_char (data) |
| 1450 | _rl_callback_generic_arg *data; |
| 1451 | { |
| 1452 | int c; |
| 1453 | char mb[MB_LEN_MAX]; |
| 1454 | |
| 1455 | _rl_vi_last_replacement = c = _rl_vi_callback_getchar (mb, MB_LEN_MAX); |
| 1456 | |
| 1457 | _rl_callback_func = 0; |
| 1458 | _rl_want_redisplay = 1; |
| 1459 | |
| 1460 | return (_rl_vi_change_char (data->count, c, mb)); |
| 1461 | } |
| 1462 | #endif |
| 1463 | |
| 1464 | int |
| 1465 | rl_vi_change_char (count, key) |
| 1466 | int count, key; |
| 1467 | { |
| 1468 | int c; |
| 1469 | char mb[MB_LEN_MAX]; |
| 1470 | |
| 1471 | if (vi_redoing) |
| 1472 | { |
| 1473 | c = _rl_vi_last_replacement; |
| 1474 | mb[0] = c; |
| 1475 | mb[1] = '\0'; |
| 1476 | } |
| 1477 | #if defined (READLINE_CALLBACKS) |
| 1478 | else if (RL_ISSTATE (RL_STATE_CALLBACK)) |
| 1479 | { |
| 1480 | _rl_callback_data = _rl_callback_data_alloc (count); |
| 1481 | _rl_callback_func = _rl_vi_callback_change_char; |
| 1482 | return (0); |
| 1483 | } |
| 1484 | #endif |
| 1485 | else |
| 1486 | _rl_vi_last_replacement = c = _rl_vi_callback_getchar (mb, MB_LEN_MAX); |
| 1487 | |
| 1488 | return (_rl_vi_change_char (count, c, mb)); |
| 1489 | } |
| 1490 | |
| 1491 | int |
| 1492 | rl_vi_subst (count, key) |
| 1493 | int count, key; |
| 1494 | { |
| 1495 | /* If we are redoing, rl_vi_change_to will stuff the last motion char */ |
| 1496 | if (vi_redoing == 0) |
| 1497 | rl_stuff_char ((key == 'S') ? 'c' : 'l'); /* `S' == `cc', `s' == `cl' */ |
| 1498 | |
| 1499 | return (rl_vi_change_to (count, 'c')); |
| 1500 | } |
| 1501 | |
| 1502 | int |
| 1503 | rl_vi_overstrike (count, key) |
| 1504 | int count, key; |
| 1505 | { |
| 1506 | if (_rl_vi_doing_insert == 0) |
| 1507 | { |
| 1508 | _rl_vi_doing_insert = 1; |
| 1509 | rl_begin_undo_group (); |
| 1510 | } |
| 1511 | |
| 1512 | if (count > 0) |
| 1513 | { |
| 1514 | _rl_overwrite_char (count, key); |
| 1515 | vi_replace_count += count; |
| 1516 | } |
| 1517 | |
| 1518 | return (0); |
| 1519 | } |
| 1520 | |
| 1521 | int |
| 1522 | rl_vi_overstrike_delete (count, key) |
| 1523 | int count, key; |
| 1524 | { |
| 1525 | int i, s; |
| 1526 | |
| 1527 | for (i = 0; i < count; i++) |
| 1528 | { |
| 1529 | if (vi_replace_count == 0) |
| 1530 | { |
| 1531 | rl_ding (); |
| 1532 | break; |
| 1533 | } |
| 1534 | s = rl_point; |
| 1535 | |
| 1536 | if (rl_do_undo ()) |
| 1537 | vi_replace_count--; |
| 1538 | |
| 1539 | if (rl_point == s) |
| 1540 | rl_backward_char (1, key); |
| 1541 | } |
| 1542 | |
| 1543 | if (vi_replace_count == 0 && _rl_vi_doing_insert) |
| 1544 | { |
| 1545 | rl_end_undo_group (); |
| 1546 | rl_do_undo (); |
| 1547 | _rl_vi_doing_insert = 0; |
| 1548 | } |
| 1549 | return (0); |
| 1550 | } |
| 1551 | |
| 1552 | int |
| 1553 | rl_vi_replace (count, key) |
| 1554 | int count, key; |
| 1555 | { |
| 1556 | int i; |
| 1557 | |
| 1558 | vi_replace_count = 0; |
| 1559 | |
| 1560 | if (!vi_replace_map) |
| 1561 | { |
| 1562 | vi_replace_map = rl_make_bare_keymap (); |
| 1563 | |
| 1564 | for (i = ' '; i < KEYMAP_SIZE; i++) |
| 1565 | vi_replace_map[i].function = rl_vi_overstrike; |
| 1566 | |
| 1567 | vi_replace_map[RUBOUT].function = rl_vi_overstrike_delete; |
| 1568 | vi_replace_map[ESC].function = rl_vi_movement_mode; |
| 1569 | vi_replace_map[RETURN].function = rl_newline; |
| 1570 | vi_replace_map[NEWLINE].function = rl_newline; |
| 1571 | |
| 1572 | /* If the normal vi insertion keymap has ^H bound to erase, do the |
| 1573 | same here. Probably should remove the assignment to RUBOUT up |
| 1574 | there, but I don't think it will make a difference in real life. */ |
| 1575 | if (vi_insertion_keymap[CTRL ('H')].type == ISFUNC && |
| 1576 | vi_insertion_keymap[CTRL ('H')].function == rl_rubout) |
| 1577 | vi_replace_map[CTRL ('H')].function = rl_vi_overstrike_delete; |
| 1578 | |
| 1579 | } |
| 1580 | _rl_keymap = vi_replace_map; |
| 1581 | return (0); |
| 1582 | } |
| 1583 | |
| 1584 | #if 0 |
| 1585 | /* Try to complete the word we are standing on or the word that ends with |
| 1586 | the previous character. A space matches everything. Word delimiters are |
| 1587 | space and ;. */ |
| 1588 | int |
| 1589 | rl_vi_possible_completions() |
| 1590 | { |
| 1591 | int save_pos = rl_point; |
| 1592 | |
| 1593 | if (rl_line_buffer[rl_point] != ' ' && rl_line_buffer[rl_point] != ';') |
| 1594 | { |
| 1595 | while (rl_point < rl_end && rl_line_buffer[rl_point] != ' ' && |
| 1596 | rl_line_buffer[rl_point] != ';') |
| 1597 | rl_point++; |
| 1598 | } |
| 1599 | else if (rl_line_buffer[rl_point - 1] == ';') |
| 1600 | { |
| 1601 | rl_ding (); |
| 1602 | return (0); |
| 1603 | } |
| 1604 | |
| 1605 | rl_possible_completions (); |
| 1606 | rl_point = save_pos; |
| 1607 | |
| 1608 | return (0); |
| 1609 | } |
| 1610 | #endif |
| 1611 | |
| 1612 | /* Functions to save and restore marks. */ |
| 1613 | static int |
| 1614 | _rl_vi_set_mark () |
| 1615 | { |
| 1616 | int ch; |
| 1617 | |
| 1618 | RL_SETSTATE(RL_STATE_MOREINPUT); |
| 1619 | ch = rl_read_key (); |
| 1620 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
| 1621 | |
| 1622 | if (ch < 'a' || ch > 'z') |
| 1623 | { |
| 1624 | rl_ding (); |
| 1625 | return -1; |
| 1626 | } |
| 1627 | ch -= 'a'; |
| 1628 | vi_mark_chars[ch] = rl_point; |
| 1629 | return 0; |
| 1630 | } |
| 1631 | |
| 1632 | #if defined (READLINE_CALLBACKS) |
| 1633 | static int |
| 1634 | _rl_vi_callback_set_mark (data) |
| 1635 | _rl_callback_generic_arg *data; |
| 1636 | { |
| 1637 | _rl_callback_func = 0; |
| 1638 | _rl_want_redisplay = 1; |
| 1639 | |
| 1640 | return (_rl_vi_set_mark ()); |
| 1641 | } |
| 1642 | #endif |
| 1643 | |
| 1644 | int |
| 1645 | rl_vi_set_mark (count, key) |
| 1646 | int count, key; |
| 1647 | { |
| 1648 | #if defined (READLINE_CALLBACKS) |
| 1649 | if (RL_ISSTATE (RL_STATE_CALLBACK)) |
| 1650 | { |
| 1651 | _rl_callback_data = 0; |
| 1652 | _rl_callback_func = _rl_vi_callback_set_mark; |
| 1653 | return (0); |
| 1654 | } |
| 1655 | #endif |
| 1656 | |
| 1657 | return (_rl_vi_set_mark ()); |
| 1658 | } |
| 1659 | |
| 1660 | static int |
| 1661 | _rl_vi_goto_mark () |
| 1662 | { |
| 1663 | int ch; |
| 1664 | |
| 1665 | RL_SETSTATE(RL_STATE_MOREINPUT); |
| 1666 | ch = rl_read_key (); |
| 1667 | RL_UNSETSTATE(RL_STATE_MOREINPUT); |
| 1668 | |
| 1669 | if (ch == '`') |
| 1670 | { |
| 1671 | rl_point = rl_mark; |
| 1672 | return 0; |
| 1673 | } |
| 1674 | else if (ch < 'a' || ch > 'z') |
| 1675 | { |
| 1676 | rl_ding (); |
| 1677 | return -1; |
| 1678 | } |
| 1679 | |
| 1680 | ch -= 'a'; |
| 1681 | if (vi_mark_chars[ch] == -1) |
| 1682 | { |
| 1683 | rl_ding (); |
| 1684 | return -1; |
| 1685 | } |
| 1686 | rl_point = vi_mark_chars[ch]; |
| 1687 | return 0; |
| 1688 | } |
| 1689 | |
| 1690 | #if defined (READLINE_CALLBACKS) |
| 1691 | static int |
| 1692 | _rl_vi_callback_goto_mark (data) |
| 1693 | _rl_callback_generic_arg *data; |
| 1694 | { |
| 1695 | _rl_callback_func = 0; |
| 1696 | _rl_want_redisplay = 1; |
| 1697 | |
| 1698 | return (_rl_vi_goto_mark ()); |
| 1699 | } |
| 1700 | #endif |
| 1701 | |
| 1702 | int |
| 1703 | rl_vi_goto_mark (count, key) |
| 1704 | int count, key; |
| 1705 | { |
| 1706 | #if defined (READLINE_CALLBACKS) |
| 1707 | if (RL_ISSTATE (RL_STATE_CALLBACK)) |
| 1708 | { |
| 1709 | _rl_callback_data = 0; |
| 1710 | _rl_callback_func = _rl_vi_callback_goto_mark; |
| 1711 | return (0); |
| 1712 | } |
| 1713 | #endif |
| 1714 | |
| 1715 | return (_rl_vi_goto_mark ()); |
| 1716 | } |
| 1717 | #endif /* VI_MODE */ |