Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1 | /* vi:set ts=8 sts=4 sw=4: |
| 2 | * |
| 3 | * VIM - Vi IMproved by Bram Moolenaar |
| 4 | * |
| 5 | * Do ":help uganda" in Vim to read copying and usage conditions. |
| 6 | * Do ":help credits" in Vim to see a list of people who contributed. |
| 7 | * See README.txt for an overview of the Vim source code. |
| 8 | */ |
| 9 | /* |
| 10 | * search.c: code for normal mode searching commands |
| 11 | */ |
| 12 | |
| 13 | #include "vim.h" |
| 14 | |
| 15 | static void save_re_pat __ARGS((int idx, char_u *pat, int magic)); |
| 16 | #ifdef FEAT_EVAL |
| 17 | static int first_submatch __ARGS((regmmatch_T *rp)); |
| 18 | #endif |
| 19 | static int check_prevcol __ARGS((char_u *linep, int col, int ch, int *prevcol)); |
| 20 | static int inmacro __ARGS((char_u *, char_u *)); |
| 21 | static int check_linecomment __ARGS((char_u *line)); |
| 22 | static int cls __ARGS((void)); |
| 23 | static int skip_chars __ARGS((int, int)); |
| 24 | #ifdef FEAT_TEXTOBJ |
| 25 | static void back_in_line __ARGS((void)); |
| 26 | static void find_first_blank __ARGS((pos_T *)); |
| 27 | static void findsent_forward __ARGS((long count, int at_start_sent)); |
| 28 | #endif |
| 29 | #ifdef FEAT_FIND_ID |
| 30 | static void show_pat_in_path __ARGS((char_u *, int, |
| 31 | int, int, FILE *, linenr_T *, long)); |
| 32 | #endif |
| 33 | #ifdef FEAT_VIMINFO |
| 34 | static void wvsp_one __ARGS((FILE *fp, int idx, char *s, int sc)); |
| 35 | #endif |
| 36 | |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 37 | /* |
| 38 | * This file contains various searching-related routines. These fall into |
| 39 | * three groups: |
| 40 | * 1. string searches (for /, ?, n, and N) |
| 41 | * 2. character searches within a single line (for f, F, t, T, etc) |
| 42 | * 3. "other" kinds of searches like the '%' command, and 'word' searches. |
| 43 | */ |
| 44 | |
| 45 | /* |
| 46 | * String searches |
| 47 | * |
| 48 | * The string search functions are divided into two levels: |
| 49 | * lowest: searchit(); uses an pos_T for starting position and found match. |
| 50 | * Highest: do_search(); uses curwin->w_cursor; calls searchit(). |
| 51 | * |
| 52 | * The last search pattern is remembered for repeating the same search. |
| 53 | * This pattern is shared between the :g, :s, ? and / commands. |
| 54 | * This is in search_regcomp(). |
| 55 | * |
| 56 | * The actual string matching is done using a heavily modified version of |
| 57 | * Henry Spencer's regular expression library. See regexp.c. |
| 58 | */ |
| 59 | |
| 60 | /* The offset for a search command is store in a soff struct */ |
| 61 | /* Note: only spats[0].off is really used */ |
| 62 | struct soffset |
| 63 | { |
| 64 | int dir; /* search direction */ |
| 65 | int line; /* search has line offset */ |
| 66 | int end; /* search set cursor at end */ |
| 67 | long off; /* line or char offset */ |
| 68 | }; |
| 69 | |
| 70 | /* A search pattern and its attributes are stored in a spat struct */ |
| 71 | struct spat |
| 72 | { |
| 73 | char_u *pat; /* the pattern (in allocated memory) or NULL */ |
| 74 | int magic; /* magicness of the pattern */ |
| 75 | int no_scs; /* no smarcase for this pattern */ |
| 76 | struct soffset off; |
| 77 | }; |
| 78 | |
| 79 | /* |
| 80 | * Two search patterns are remembered: One for the :substitute command and |
| 81 | * one for other searches. last_idx points to the one that was used the last |
| 82 | * time. |
| 83 | */ |
| 84 | static struct spat spats[2] = |
| 85 | { |
| 86 | {NULL, TRUE, FALSE, {'/', 0, 0, 0L}}, /* last used search pat */ |
| 87 | {NULL, TRUE, FALSE, {'/', 0, 0, 0L}} /* last used substitute pat */ |
| 88 | }; |
| 89 | |
| 90 | static int last_idx = 0; /* index in spats[] for RE_LAST */ |
| 91 | |
| 92 | #if defined(FEAT_AUTOCMD) || defined(FEAT_EVAL) || defined(PROTO) |
| 93 | /* copy of spats[], for keeping the search patterns while executing autocmds */ |
| 94 | static struct spat saved_spats[2]; |
| 95 | static int saved_last_idx = 0; |
| 96 | # ifdef FEAT_SEARCH_EXTRA |
| 97 | static int saved_no_hlsearch = 0; |
| 98 | # endif |
| 99 | #endif |
| 100 | |
| 101 | static char_u *mr_pattern = NULL; /* pattern used by search_regcomp() */ |
| 102 | #ifdef FEAT_RIGHTLEFT |
| 103 | static int mr_pattern_alloced = FALSE; /* mr_pattern was allocated */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 104 | #endif |
| 105 | |
| 106 | #ifdef FEAT_FIND_ID |
| 107 | /* |
| 108 | * Type used by find_pattern_in_path() to remember which included files have |
| 109 | * been searched already. |
| 110 | */ |
| 111 | typedef struct SearchedFile |
| 112 | { |
| 113 | FILE *fp; /* File pointer */ |
| 114 | char_u *name; /* Full name of file */ |
| 115 | linenr_T lnum; /* Line we were up to in file */ |
| 116 | int matched; /* Found a match in this file */ |
| 117 | } SearchedFile; |
| 118 | #endif |
| 119 | |
| 120 | /* |
| 121 | * translate search pattern for vim_regcomp() |
| 122 | * |
| 123 | * pat_save == RE_SEARCH: save pat in spats[RE_SEARCH].pat (normal search cmd) |
| 124 | * pat_save == RE_SUBST: save pat in spats[RE_SUBST].pat (:substitute command) |
| 125 | * pat_save == RE_BOTH: save pat in both patterns (:global command) |
| 126 | * pat_use == RE_SEARCH: use previous search pattern if "pat" is NULL |
Bram Moolenaar | b8017e7 | 2007-05-10 18:59:07 +0000 | [diff] [blame] | 127 | * pat_use == RE_SUBST: use previous substitute pattern if "pat" is NULL |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 128 | * pat_use == RE_LAST: use last used pattern if "pat" is NULL |
| 129 | * options & SEARCH_HIS: put search string in history |
| 130 | * options & SEARCH_KEEP: keep previous search pattern |
| 131 | * |
| 132 | * returns FAIL if failed, OK otherwise. |
| 133 | */ |
| 134 | int |
| 135 | search_regcomp(pat, pat_save, pat_use, options, regmatch) |
| 136 | char_u *pat; |
| 137 | int pat_save; |
| 138 | int pat_use; |
| 139 | int options; |
| 140 | regmmatch_T *regmatch; /* return: pattern and ignore-case flag */ |
| 141 | { |
| 142 | int magic; |
| 143 | int i; |
| 144 | |
| 145 | rc_did_emsg = FALSE; |
| 146 | magic = p_magic; |
| 147 | |
| 148 | /* |
| 149 | * If no pattern given, use a previously defined pattern. |
| 150 | */ |
| 151 | if (pat == NULL || *pat == NUL) |
| 152 | { |
| 153 | if (pat_use == RE_LAST) |
| 154 | i = last_idx; |
| 155 | else |
| 156 | i = pat_use; |
| 157 | if (spats[i].pat == NULL) /* pattern was never defined */ |
| 158 | { |
| 159 | if (pat_use == RE_SUBST) |
| 160 | EMSG(_(e_nopresub)); |
| 161 | else |
| 162 | EMSG(_(e_noprevre)); |
| 163 | rc_did_emsg = TRUE; |
| 164 | return FAIL; |
| 165 | } |
| 166 | pat = spats[i].pat; |
| 167 | magic = spats[i].magic; |
| 168 | no_smartcase = spats[i].no_scs; |
| 169 | } |
| 170 | #ifdef FEAT_CMDHIST |
| 171 | else if (options & SEARCH_HIS) /* put new pattern in history */ |
| 172 | add_to_history(HIST_SEARCH, pat, TRUE, NUL); |
| 173 | #endif |
| 174 | |
| 175 | #ifdef FEAT_RIGHTLEFT |
| 176 | if (mr_pattern_alloced) |
| 177 | { |
| 178 | vim_free(mr_pattern); |
| 179 | mr_pattern_alloced = FALSE; |
| 180 | } |
| 181 | |
| 182 | if (curwin->w_p_rl && *curwin->w_p_rlc == 's') |
| 183 | { |
| 184 | char_u *rev_pattern; |
| 185 | |
| 186 | rev_pattern = reverse_text(pat); |
| 187 | if (rev_pattern == NULL) |
| 188 | mr_pattern = pat; /* out of memory, keep normal pattern. */ |
| 189 | else |
| 190 | { |
| 191 | mr_pattern = rev_pattern; |
| 192 | mr_pattern_alloced = TRUE; |
| 193 | } |
| 194 | } |
| 195 | else |
| 196 | #endif |
| 197 | mr_pattern = pat; |
| 198 | |
| 199 | /* |
| 200 | * Save the currently used pattern in the appropriate place, |
| 201 | * unless the pattern should not be remembered. |
| 202 | */ |
| 203 | if (!(options & SEARCH_KEEP)) |
| 204 | { |
| 205 | /* search or global command */ |
| 206 | if (pat_save == RE_SEARCH || pat_save == RE_BOTH) |
| 207 | save_re_pat(RE_SEARCH, pat, magic); |
| 208 | /* substitute or global command */ |
| 209 | if (pat_save == RE_SUBST || pat_save == RE_BOTH) |
| 210 | save_re_pat(RE_SUBST, pat, magic); |
| 211 | } |
| 212 | |
| 213 | regmatch->rmm_ic = ignorecase(pat); |
Bram Moolenaar | 3b56eb3 | 2005-07-11 22:40:32 +0000 | [diff] [blame] | 214 | regmatch->rmm_maxcol = 0; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 215 | regmatch->regprog = vim_regcomp(pat, magic ? RE_MAGIC : 0); |
| 216 | if (regmatch->regprog == NULL) |
| 217 | return FAIL; |
| 218 | return OK; |
| 219 | } |
| 220 | |
| 221 | /* |
| 222 | * Get search pattern used by search_regcomp(). |
| 223 | */ |
| 224 | char_u * |
| 225 | get_search_pat() |
| 226 | { |
| 227 | return mr_pattern; |
| 228 | } |
| 229 | |
Bram Moolenaar | abc9773 | 2007-08-08 20:49:37 +0000 | [diff] [blame] | 230 | #if defined(FEAT_RIGHTLEFT) || defined(PROTO) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 231 | /* |
| 232 | * Reverse text into allocated memory. |
| 233 | * Returns the allocated string, NULL when out of memory. |
| 234 | */ |
Bram Moolenaar | abc9773 | 2007-08-08 20:49:37 +0000 | [diff] [blame] | 235 | char_u * |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 236 | reverse_text(s) |
| 237 | char_u *s; |
| 238 | { |
| 239 | unsigned len; |
| 240 | unsigned s_i, rev_i; |
| 241 | char_u *rev; |
| 242 | |
| 243 | /* |
| 244 | * Reverse the pattern. |
| 245 | */ |
| 246 | len = (unsigned)STRLEN(s); |
| 247 | rev = alloc(len + 1); |
| 248 | if (rev != NULL) |
| 249 | { |
| 250 | rev_i = len; |
| 251 | for (s_i = 0; s_i < len; ++s_i) |
| 252 | { |
| 253 | # ifdef FEAT_MBYTE |
| 254 | if (has_mbyte) |
| 255 | { |
| 256 | int mb_len; |
| 257 | |
Bram Moolenaar | 0fa313a | 2005-08-10 21:07:57 +0000 | [diff] [blame] | 258 | mb_len = (*mb_ptr2len)(s + s_i); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 259 | rev_i -= mb_len; |
| 260 | mch_memmove(rev + rev_i, s + s_i, mb_len); |
| 261 | s_i += mb_len - 1; |
| 262 | } |
| 263 | else |
| 264 | # endif |
| 265 | rev[--rev_i] = s[s_i]; |
| 266 | |
| 267 | } |
| 268 | rev[len] = NUL; |
| 269 | } |
| 270 | return rev; |
| 271 | } |
| 272 | #endif |
| 273 | |
| 274 | static void |
| 275 | save_re_pat(idx, pat, magic) |
| 276 | int idx; |
| 277 | char_u *pat; |
| 278 | int magic; |
| 279 | { |
| 280 | if (spats[idx].pat != pat) |
| 281 | { |
| 282 | vim_free(spats[idx].pat); |
| 283 | spats[idx].pat = vim_strsave(pat); |
| 284 | spats[idx].magic = magic; |
| 285 | spats[idx].no_scs = no_smartcase; |
| 286 | last_idx = idx; |
| 287 | #ifdef FEAT_SEARCH_EXTRA |
| 288 | /* If 'hlsearch' set and search pat changed: need redraw. */ |
| 289 | if (p_hls) |
Bram Moolenaar | 1c8f93f | 2006-03-12 22:10:07 +0000 | [diff] [blame] | 290 | redraw_all_later(SOME_VALID); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 291 | no_hlsearch = FALSE; |
| 292 | #endif |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | #if defined(FEAT_AUTOCMD) || defined(FEAT_EVAL) || defined(PROTO) |
| 297 | /* |
| 298 | * Save the search patterns, so they can be restored later. |
| 299 | * Used before/after executing autocommands and user functions. |
| 300 | */ |
| 301 | static int save_level = 0; |
| 302 | |
| 303 | void |
| 304 | save_search_patterns() |
| 305 | { |
| 306 | if (save_level++ == 0) |
| 307 | { |
| 308 | saved_spats[0] = spats[0]; |
| 309 | if (spats[0].pat != NULL) |
| 310 | saved_spats[0].pat = vim_strsave(spats[0].pat); |
| 311 | saved_spats[1] = spats[1]; |
| 312 | if (spats[1].pat != NULL) |
| 313 | saved_spats[1].pat = vim_strsave(spats[1].pat); |
| 314 | saved_last_idx = last_idx; |
| 315 | # ifdef FEAT_SEARCH_EXTRA |
| 316 | saved_no_hlsearch = no_hlsearch; |
| 317 | # endif |
| 318 | } |
| 319 | } |
| 320 | |
| 321 | void |
| 322 | restore_search_patterns() |
| 323 | { |
| 324 | if (--save_level == 0) |
| 325 | { |
| 326 | vim_free(spats[0].pat); |
| 327 | spats[0] = saved_spats[0]; |
| 328 | vim_free(spats[1].pat); |
| 329 | spats[1] = saved_spats[1]; |
| 330 | last_idx = saved_last_idx; |
| 331 | # ifdef FEAT_SEARCH_EXTRA |
| 332 | no_hlsearch = saved_no_hlsearch; |
| 333 | # endif |
| 334 | } |
| 335 | } |
| 336 | #endif |
| 337 | |
Bram Moolenaar | f461c8e | 2005-06-25 23:04:51 +0000 | [diff] [blame] | 338 | #if defined(EXITFREE) || defined(PROTO) |
| 339 | void |
| 340 | free_search_patterns() |
| 341 | { |
| 342 | vim_free(spats[0].pat); |
| 343 | vim_free(spats[1].pat); |
| 344 | } |
| 345 | #endif |
| 346 | |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 347 | /* |
| 348 | * Return TRUE when case should be ignored for search pattern "pat". |
| 349 | * Uses the 'ignorecase' and 'smartcase' options. |
| 350 | */ |
| 351 | int |
| 352 | ignorecase(pat) |
| 353 | char_u *pat; |
| 354 | { |
| 355 | char_u *p; |
| 356 | int ic; |
| 357 | |
| 358 | ic = p_ic; |
| 359 | if (ic && !no_smartcase && p_scs |
| 360 | #ifdef FEAT_INS_EXPAND |
| 361 | && !(ctrl_x_mode && curbuf->b_p_inf) |
| 362 | #endif |
| 363 | ) |
| 364 | { |
| 365 | /* don't ignore case if pattern has uppercase */ |
| 366 | for (p = pat; *p; ) |
| 367 | { |
| 368 | #ifdef FEAT_MBYTE |
| 369 | int l; |
| 370 | |
Bram Moolenaar | 0fa313a | 2005-08-10 21:07:57 +0000 | [diff] [blame] | 371 | if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 372 | { |
| 373 | if (enc_utf8 && utf_isupper(utf_ptr2char(p))) |
| 374 | { |
| 375 | ic = FALSE; |
| 376 | break; |
| 377 | } |
| 378 | p += l; |
| 379 | } |
| 380 | else |
| 381 | #endif |
| 382 | if (*p == '\\' && p[1] != NUL) /* skip "\S" et al. */ |
| 383 | p += 2; |
Bram Moolenaar | 75c50c4 | 2005-06-04 22:06:24 +0000 | [diff] [blame] | 384 | else if (isupper(*p)) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 385 | { |
| 386 | ic = FALSE; |
| 387 | break; |
| 388 | } |
Bram Moolenaar | 75c50c4 | 2005-06-04 22:06:24 +0000 | [diff] [blame] | 389 | else |
| 390 | ++p; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 391 | } |
| 392 | } |
| 393 | no_smartcase = FALSE; |
| 394 | |
| 395 | return ic; |
| 396 | } |
| 397 | |
| 398 | char_u * |
| 399 | last_search_pat() |
| 400 | { |
| 401 | return spats[last_idx].pat; |
| 402 | } |
| 403 | |
| 404 | /* |
| 405 | * Reset search direction to forward. For "gd" and "gD" commands. |
| 406 | */ |
| 407 | void |
| 408 | reset_search_dir() |
| 409 | { |
| 410 | spats[0].off.dir = '/'; |
| 411 | } |
| 412 | |
| 413 | #if defined(FEAT_EVAL) || defined(FEAT_VIMINFO) |
| 414 | /* |
| 415 | * Set the last search pattern. For ":let @/ =" and viminfo. |
| 416 | * Also set the saved search pattern, so that this works in an autocommand. |
| 417 | */ |
| 418 | void |
| 419 | set_last_search_pat(s, idx, magic, setlast) |
| 420 | char_u *s; |
| 421 | int idx; |
| 422 | int magic; |
| 423 | int setlast; |
| 424 | { |
| 425 | vim_free(spats[idx].pat); |
| 426 | /* An empty string means that nothing should be matched. */ |
| 427 | if (*s == NUL) |
| 428 | spats[idx].pat = NULL; |
| 429 | else |
| 430 | spats[idx].pat = vim_strsave(s); |
| 431 | spats[idx].magic = magic; |
| 432 | spats[idx].no_scs = FALSE; |
| 433 | spats[idx].off.dir = '/'; |
| 434 | spats[idx].off.line = FALSE; |
| 435 | spats[idx].off.end = FALSE; |
| 436 | spats[idx].off.off = 0; |
| 437 | if (setlast) |
| 438 | last_idx = idx; |
| 439 | if (save_level) |
| 440 | { |
| 441 | vim_free(saved_spats[idx].pat); |
| 442 | saved_spats[idx] = spats[0]; |
| 443 | if (spats[idx].pat == NULL) |
| 444 | saved_spats[idx].pat = NULL; |
| 445 | else |
| 446 | saved_spats[idx].pat = vim_strsave(spats[idx].pat); |
| 447 | saved_last_idx = last_idx; |
| 448 | } |
| 449 | # ifdef FEAT_SEARCH_EXTRA |
| 450 | /* If 'hlsearch' set and search pat changed: need redraw. */ |
| 451 | if (p_hls && idx == last_idx && !no_hlsearch) |
Bram Moolenaar | 1c8f93f | 2006-03-12 22:10:07 +0000 | [diff] [blame] | 452 | redraw_all_later(SOME_VALID); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 453 | # endif |
| 454 | } |
| 455 | #endif |
| 456 | |
| 457 | #ifdef FEAT_SEARCH_EXTRA |
| 458 | /* |
| 459 | * Get a regexp program for the last used search pattern. |
| 460 | * This is used for highlighting all matches in a window. |
| 461 | * Values returned in regmatch->regprog and regmatch->rmm_ic. |
| 462 | */ |
| 463 | void |
| 464 | last_pat_prog(regmatch) |
| 465 | regmmatch_T *regmatch; |
| 466 | { |
| 467 | if (spats[last_idx].pat == NULL) |
| 468 | { |
| 469 | regmatch->regprog = NULL; |
| 470 | return; |
| 471 | } |
| 472 | ++emsg_off; /* So it doesn't beep if bad expr */ |
| 473 | (void)search_regcomp((char_u *)"", 0, last_idx, SEARCH_KEEP, regmatch); |
| 474 | --emsg_off; |
| 475 | } |
| 476 | #endif |
| 477 | |
| 478 | /* |
| 479 | * lowest level search function. |
| 480 | * Search for 'count'th occurrence of pattern 'pat' in direction 'dir'. |
| 481 | * Start at position 'pos' and return the found position in 'pos'. |
| 482 | * |
| 483 | * if (options & SEARCH_MSG) == 0 don't give any messages |
| 484 | * if (options & SEARCH_MSG) == SEARCH_NFMSG don't give 'notfound' messages |
| 485 | * if (options & SEARCH_MSG) == SEARCH_MSG give all messages |
| 486 | * if (options & SEARCH_HIS) put search pattern in history |
| 487 | * if (options & SEARCH_END) return position at end of match |
| 488 | * if (options & SEARCH_START) accept match at pos itself |
| 489 | * if (options & SEARCH_KEEP) keep previous search pattern |
| 490 | * if (options & SEARCH_FOLD) match only once in a closed fold |
| 491 | * if (options & SEARCH_PEEK) check for typed char, cancel search |
| 492 | * |
| 493 | * Return FAIL (zero) for failure, non-zero for success. |
| 494 | * When FEAT_EVAL is defined, returns the index of the first matching |
| 495 | * subpattern plus one; one if there was none. |
| 496 | */ |
Bram Moolenaar | 7692929 | 2008-01-06 19:07:36 +0000 | [diff] [blame] | 497 | /*ARGSUSED*/ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 498 | int |
Bram Moolenaar | 7692929 | 2008-01-06 19:07:36 +0000 | [diff] [blame] | 499 | searchit(win, buf, pos, dir, pat, count, options, pat_use, stop_lnum, tm) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 500 | win_T *win; /* window to search in; can be NULL for a |
| 501 | buffer without a window! */ |
| 502 | buf_T *buf; |
| 503 | pos_T *pos; |
| 504 | int dir; |
| 505 | char_u *pat; |
| 506 | long count; |
| 507 | int options; |
Bram Moolenaar | a23ccb8 | 2006-02-27 00:08:02 +0000 | [diff] [blame] | 508 | int pat_use; /* which pattern to use when "pat" is empty */ |
| 509 | linenr_T stop_lnum; /* stop after this line number when != 0 */ |
Bram Moolenaar | 7692929 | 2008-01-06 19:07:36 +0000 | [diff] [blame] | 510 | proftime_T *tm; /* timeout limit or NULL */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 511 | { |
| 512 | int found; |
| 513 | linenr_T lnum; /* no init to shut up Apollo cc */ |
| 514 | regmmatch_T regmatch; |
| 515 | char_u *ptr; |
| 516 | colnr_T matchcol; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 517 | lpos_T endpos; |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 518 | lpos_T matchpos; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 519 | int loop; |
| 520 | pos_T start_pos; |
| 521 | int at_first_line; |
| 522 | int extra_col; |
| 523 | int match_ok; |
| 524 | long nmatched; |
| 525 | int submatch = 0; |
Bram Moolenaar | 280f126 | 2006-01-30 00:14:18 +0000 | [diff] [blame] | 526 | int save_called_emsg = called_emsg; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 527 | #ifdef FEAT_SEARCH_EXTRA |
| 528 | int break_loop = FALSE; |
| 529 | #else |
| 530 | # define break_loop FALSE |
| 531 | #endif |
| 532 | |
| 533 | if (search_regcomp(pat, RE_SEARCH, pat_use, |
| 534 | (options & (SEARCH_HIS + SEARCH_KEEP)), ®match) == FAIL) |
| 535 | { |
| 536 | if ((options & SEARCH_MSG) && !rc_did_emsg) |
| 537 | EMSG2(_("E383: Invalid search string: %s"), mr_pattern); |
| 538 | return FAIL; |
| 539 | } |
| 540 | |
Bram Moolenaar | aad8664 | 2008-03-10 20:34:59 +0000 | [diff] [blame] | 541 | /* When not accepting a match at the start position set "extra_col" to a |
| 542 | * non-zero value. Don't do that when starting at MAXCOL, since MAXCOL + |
| 543 | * 1 is zero. */ |
| 544 | if ((options & SEARCH_START) || pos->col == MAXCOL) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 545 | extra_col = 0; |
| 546 | #ifdef FEAT_MBYTE |
| 547 | /* Watch out for the "col" being MAXCOL - 2, used in a closed fold. */ |
| 548 | else if (has_mbyte && pos->lnum >= 1 && pos->lnum <= buf->b_ml.ml_line_count |
| 549 | && pos->col < MAXCOL - 2) |
Bram Moolenaar | ae5bce1 | 2005-08-15 21:41:48 +0000 | [diff] [blame] | 550 | { |
| 551 | ptr = ml_get_buf(buf, pos->lnum, FALSE) + pos->col; |
| 552 | if (*ptr == NUL) |
| 553 | extra_col = 1; |
| 554 | else |
| 555 | extra_col = (*mb_ptr2len)(ptr); |
| 556 | } |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 557 | #endif |
| 558 | else |
| 559 | extra_col = 1; |
| 560 | |
Bram Moolenaar | 280f126 | 2006-01-30 00:14:18 +0000 | [diff] [blame] | 561 | /* |
| 562 | * find the string |
| 563 | */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 564 | called_emsg = FALSE; |
| 565 | do /* loop for count */ |
| 566 | { |
| 567 | start_pos = *pos; /* remember start pos for detecting no match */ |
| 568 | found = 0; /* default: not found */ |
| 569 | at_first_line = TRUE; /* default: start in first line */ |
| 570 | if (pos->lnum == 0) /* correct lnum for when starting in line 0 */ |
| 571 | { |
| 572 | pos->lnum = 1; |
| 573 | pos->col = 0; |
| 574 | at_first_line = FALSE; /* not in first line now */ |
| 575 | } |
| 576 | |
| 577 | /* |
| 578 | * Start searching in current line, unless searching backwards and |
| 579 | * we're in column 0. |
Bram Moolenaar | 7a42fa3 | 2007-07-10 11:28:55 +0000 | [diff] [blame] | 580 | * If we are searching backwards, in column 0, and not including the |
| 581 | * current position, gain some efficiency by skipping back a line. |
| 582 | * Otherwise begin the search in the current line. |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 583 | */ |
Bram Moolenaar | 7a42fa3 | 2007-07-10 11:28:55 +0000 | [diff] [blame] | 584 | if (dir == BACKWARD && start_pos.col == 0 |
| 585 | && (options & SEARCH_START) == 0) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 586 | { |
| 587 | lnum = pos->lnum - 1; |
| 588 | at_first_line = FALSE; |
| 589 | } |
| 590 | else |
| 591 | lnum = pos->lnum; |
| 592 | |
| 593 | for (loop = 0; loop <= 1; ++loop) /* loop twice if 'wrapscan' set */ |
| 594 | { |
| 595 | for ( ; lnum > 0 && lnum <= buf->b_ml.ml_line_count; |
| 596 | lnum += dir, at_first_line = FALSE) |
| 597 | { |
Bram Moolenaar | a23ccb8 | 2006-02-27 00:08:02 +0000 | [diff] [blame] | 598 | /* Stop after checking "stop_lnum", if it's set. */ |
| 599 | if (stop_lnum != 0 && (dir == FORWARD |
| 600 | ? lnum > stop_lnum : lnum < stop_lnum)) |
| 601 | break; |
Bram Moolenaar | 7692929 | 2008-01-06 19:07:36 +0000 | [diff] [blame] | 602 | #ifdef FEAT_RELTIME |
| 603 | /* Stop after passing the "tm" time limit. */ |
| 604 | if (tm != NULL && profile_passed_limit(tm)) |
| 605 | break; |
| 606 | #endif |
Bram Moolenaar | a23ccb8 | 2006-02-27 00:08:02 +0000 | [diff] [blame] | 607 | |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 608 | /* |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 609 | * Look for a match somewhere in line "lnum". |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 610 | */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 611 | nmatched = vim_regexec_multi(®match, win, buf, |
Bram Moolenaar | 91a4e82 | 2008-01-19 14:59:58 +0000 | [diff] [blame] | 612 | lnum, (colnr_T)0, |
| 613 | #ifdef FEAT_RELTIME |
| 614 | tm |
| 615 | #else |
| 616 | NULL |
| 617 | #endif |
| 618 | ); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 619 | /* Abort searching on an error (e.g., out of stack). */ |
| 620 | if (called_emsg) |
| 621 | break; |
| 622 | if (nmatched > 0) |
| 623 | { |
| 624 | /* match may actually be in another line when using \zs */ |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 625 | matchpos = regmatch.startpos[0]; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 626 | endpos = regmatch.endpos[0]; |
Bram Moolenaar | 91a4e82 | 2008-01-19 14:59:58 +0000 | [diff] [blame] | 627 | #ifdef FEAT_EVAL |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 628 | submatch = first_submatch(®match); |
Bram Moolenaar | 91a4e82 | 2008-01-19 14:59:58 +0000 | [diff] [blame] | 629 | #endif |
Bram Moolenaar | 5bcbd53 | 2008-02-20 12:43:01 +0000 | [diff] [blame] | 630 | /* "lnum" may be past end of buffer for "\n\zs". */ |
Bram Moolenaar | 32466aa | 2006-02-24 23:53:04 +0000 | [diff] [blame] | 631 | if (lnum + matchpos.lnum > buf->b_ml.ml_line_count) |
| 632 | ptr = (char_u *)""; |
| 633 | else |
| 634 | ptr = ml_get_buf(buf, lnum + matchpos.lnum, FALSE); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 635 | |
| 636 | /* |
| 637 | * Forward search in the first line: match should be after |
| 638 | * the start position. If not, continue at the end of the |
| 639 | * match (this is vi compatible) or on the next char. |
| 640 | */ |
| 641 | if (dir == FORWARD && at_first_line) |
| 642 | { |
| 643 | match_ok = TRUE; |
| 644 | /* |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 645 | * When the match starts in a next line it's certainly |
| 646 | * past the start position. |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 647 | * When match lands on a NUL the cursor will be put |
| 648 | * one back afterwards, compare with that position, |
| 649 | * otherwise "/$" will get stuck on end of line. |
| 650 | */ |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 651 | while (matchpos.lnum == 0 |
| 652 | && ((options & SEARCH_END) |
| 653 | ? (nmatched == 1 |
| 654 | && (int)endpos.col - 1 |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 655 | < (int)start_pos.col + extra_col) |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 656 | : ((int)matchpos.col |
| 657 | - (ptr[matchpos.col] == NUL) |
| 658 | < (int)start_pos.col + extra_col))) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 659 | { |
| 660 | /* |
| 661 | * If vi-compatible searching, continue at the end |
| 662 | * of the match, otherwise continue one position |
| 663 | * forward. |
| 664 | */ |
| 665 | if (vim_strchr(p_cpo, CPO_SEARCH) != NULL) |
| 666 | { |
| 667 | if (nmatched > 1) |
| 668 | { |
| 669 | /* end is in next line, thus no match in |
| 670 | * this line */ |
| 671 | match_ok = FALSE; |
| 672 | break; |
| 673 | } |
| 674 | matchcol = endpos.col; |
| 675 | /* for empty match: advance one char */ |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 676 | if (matchcol == matchpos.col |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 677 | && ptr[matchcol] != NUL) |
| 678 | { |
| 679 | #ifdef FEAT_MBYTE |
| 680 | if (has_mbyte) |
| 681 | matchcol += |
Bram Moolenaar | 0fa313a | 2005-08-10 21:07:57 +0000 | [diff] [blame] | 682 | (*mb_ptr2len)(ptr + matchcol); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 683 | else |
| 684 | #endif |
| 685 | ++matchcol; |
| 686 | } |
| 687 | } |
| 688 | else |
| 689 | { |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 690 | matchcol = matchpos.col; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 691 | if (ptr[matchcol] != NUL) |
| 692 | { |
| 693 | #ifdef FEAT_MBYTE |
| 694 | if (has_mbyte) |
Bram Moolenaar | 0fa313a | 2005-08-10 21:07:57 +0000 | [diff] [blame] | 695 | matchcol += (*mb_ptr2len)(ptr |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 696 | + matchcol); |
| 697 | else |
| 698 | #endif |
| 699 | ++matchcol; |
| 700 | } |
| 701 | } |
| 702 | if (ptr[matchcol] == NUL |
| 703 | || (nmatched = vim_regexec_multi(®match, |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 704 | win, buf, lnum + matchpos.lnum, |
Bram Moolenaar | 91a4e82 | 2008-01-19 14:59:58 +0000 | [diff] [blame] | 705 | matchcol, |
| 706 | #ifdef FEAT_RELTIME |
| 707 | tm |
| 708 | #else |
| 709 | NULL |
| 710 | #endif |
| 711 | )) == 0) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 712 | { |
| 713 | match_ok = FALSE; |
| 714 | break; |
| 715 | } |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 716 | matchpos = regmatch.startpos[0]; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 717 | endpos = regmatch.endpos[0]; |
| 718 | # ifdef FEAT_EVAL |
| 719 | submatch = first_submatch(®match); |
| 720 | # endif |
| 721 | |
| 722 | /* Need to get the line pointer again, a |
| 723 | * multi-line search may have made it invalid. */ |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 724 | ptr = ml_get_buf(buf, lnum + matchpos.lnum, FALSE); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 725 | } |
| 726 | if (!match_ok) |
| 727 | continue; |
| 728 | } |
| 729 | if (dir == BACKWARD) |
| 730 | { |
| 731 | /* |
| 732 | * Now, if there are multiple matches on this line, |
| 733 | * we have to get the last one. Or the last one before |
| 734 | * the cursor, if we're on that line. |
| 735 | * When putting the new cursor at the end, compare |
| 736 | * relative to the end of the match. |
| 737 | */ |
| 738 | match_ok = FALSE; |
| 739 | for (;;) |
| 740 | { |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 741 | /* Remember a position that is before the start |
| 742 | * position, we use it if it's the last match in |
| 743 | * the line. Always accept a position after |
| 744 | * wrapping around. */ |
| 745 | if (loop |
| 746 | || ((options & SEARCH_END) |
| 747 | ? (lnum + regmatch.endpos[0].lnum |
| 748 | < start_pos.lnum |
| 749 | || (lnum + regmatch.endpos[0].lnum |
| 750 | == start_pos.lnum |
| 751 | && (int)regmatch.endpos[0].col - 1 |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 752 | + extra_col |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 753 | <= (int)start_pos.col)) |
| 754 | : (lnum + regmatch.startpos[0].lnum |
| 755 | < start_pos.lnum |
| 756 | || (lnum + regmatch.startpos[0].lnum |
| 757 | == start_pos.lnum |
| 758 | && (int)regmatch.startpos[0].col |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 759 | + extra_col |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 760 | <= (int)start_pos.col)))) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 761 | { |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 762 | match_ok = TRUE; |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 763 | matchpos = regmatch.startpos[0]; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 764 | endpos = regmatch.endpos[0]; |
| 765 | # ifdef FEAT_EVAL |
| 766 | submatch = first_submatch(®match); |
| 767 | # endif |
| 768 | } |
| 769 | else |
| 770 | break; |
| 771 | |
| 772 | /* |
| 773 | * We found a valid match, now check if there is |
| 774 | * another one after it. |
| 775 | * If vi-compatible searching, continue at the end |
| 776 | * of the match, otherwise continue one position |
| 777 | * forward. |
| 778 | */ |
| 779 | if (vim_strchr(p_cpo, CPO_SEARCH) != NULL) |
| 780 | { |
| 781 | if (nmatched > 1) |
| 782 | break; |
| 783 | matchcol = endpos.col; |
| 784 | /* for empty match: advance one char */ |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 785 | if (matchcol == matchpos.col |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 786 | && ptr[matchcol] != NUL) |
| 787 | { |
| 788 | #ifdef FEAT_MBYTE |
| 789 | if (has_mbyte) |
| 790 | matchcol += |
Bram Moolenaar | 0fa313a | 2005-08-10 21:07:57 +0000 | [diff] [blame] | 791 | (*mb_ptr2len)(ptr + matchcol); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 792 | else |
| 793 | #endif |
| 794 | ++matchcol; |
| 795 | } |
| 796 | } |
| 797 | else |
| 798 | { |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 799 | /* Stop when the match is in a next line. */ |
| 800 | if (matchpos.lnum > 0) |
| 801 | break; |
| 802 | matchcol = matchpos.col; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 803 | if (ptr[matchcol] != NUL) |
| 804 | { |
| 805 | #ifdef FEAT_MBYTE |
| 806 | if (has_mbyte) |
| 807 | matchcol += |
Bram Moolenaar | 0fa313a | 2005-08-10 21:07:57 +0000 | [diff] [blame] | 808 | (*mb_ptr2len)(ptr + matchcol); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 809 | else |
| 810 | #endif |
| 811 | ++matchcol; |
| 812 | } |
| 813 | } |
| 814 | if (ptr[matchcol] == NUL |
| 815 | || (nmatched = vim_regexec_multi(®match, |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 816 | win, buf, lnum + matchpos.lnum, |
Bram Moolenaar | 91a4e82 | 2008-01-19 14:59:58 +0000 | [diff] [blame] | 817 | matchcol, |
| 818 | #ifdef FEAT_RELTIME |
| 819 | tm |
| 820 | #else |
| 821 | NULL |
| 822 | #endif |
| 823 | )) == 0) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 824 | break; |
| 825 | |
| 826 | /* Need to get the line pointer again, a |
| 827 | * multi-line search may have made it invalid. */ |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 828 | ptr = ml_get_buf(buf, lnum + matchpos.lnum, FALSE); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 829 | } |
| 830 | |
| 831 | /* |
| 832 | * If there is only a match after the cursor, skip |
| 833 | * this match. |
| 834 | */ |
| 835 | if (!match_ok) |
| 836 | continue; |
| 837 | } |
| 838 | |
Bram Moolenaar | 5bcbd53 | 2008-02-20 12:43:01 +0000 | [diff] [blame] | 839 | /* With the SEARCH_END option move to the last character |
| 840 | * of the match. Don't do it for an empty match, end |
| 841 | * should be same as start then. */ |
| 842 | if (options & SEARCH_END && !(options & SEARCH_NOOF) |
| 843 | && !(matchpos.lnum == endpos.lnum |
| 844 | && matchpos.col == endpos.col)) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 845 | { |
Bram Moolenaar | 5bcbd53 | 2008-02-20 12:43:01 +0000 | [diff] [blame] | 846 | /* For a match in the first column, set the position |
| 847 | * on the NUL in the previous line. */ |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 848 | pos->lnum = lnum + endpos.lnum; |
Bram Moolenaar | 5bcbd53 | 2008-02-20 12:43:01 +0000 | [diff] [blame] | 849 | pos->col = endpos.col; |
| 850 | if (endpos.col == 0) |
Bram Moolenaar | 910f66f | 2006-04-05 20:41:53 +0000 | [diff] [blame] | 851 | { |
Bram Moolenaar | 5bcbd53 | 2008-02-20 12:43:01 +0000 | [diff] [blame] | 852 | if (pos->lnum > 1) /* just in case */ |
| 853 | { |
| 854 | --pos->lnum; |
| 855 | pos->col = (colnr_T)STRLEN(ml_get_buf(buf, |
| 856 | pos->lnum, FALSE)); |
| 857 | } |
Bram Moolenaar | 910f66f | 2006-04-05 20:41:53 +0000 | [diff] [blame] | 858 | } |
Bram Moolenaar | 5bcbd53 | 2008-02-20 12:43:01 +0000 | [diff] [blame] | 859 | else |
| 860 | { |
| 861 | --pos->col; |
| 862 | #ifdef FEAT_MBYTE |
| 863 | if (has_mbyte |
| 864 | && pos->lnum <= buf->b_ml.ml_line_count) |
| 865 | { |
| 866 | ptr = ml_get_buf(buf, pos->lnum, FALSE); |
| 867 | pos->col -= (*mb_head_off)(ptr, ptr + pos->col); |
| 868 | } |
Bram Moolenaar | 910f66f | 2006-04-05 20:41:53 +0000 | [diff] [blame] | 869 | #endif |
Bram Moolenaar | 5bcbd53 | 2008-02-20 12:43:01 +0000 | [diff] [blame] | 870 | } |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 871 | } |
| 872 | else |
| 873 | { |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 874 | pos->lnum = lnum + matchpos.lnum; |
| 875 | pos->col = matchpos.col; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 876 | } |
| 877 | #ifdef FEAT_VIRTUALEDIT |
| 878 | pos->coladd = 0; |
| 879 | #endif |
| 880 | found = 1; |
| 881 | |
| 882 | /* Set variables used for 'incsearch' highlighting. */ |
Bram Moolenaar | 677ee68 | 2005-01-27 14:41:15 +0000 | [diff] [blame] | 883 | search_match_lines = endpos.lnum - matchpos.lnum; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 884 | search_match_endcol = endpos.col; |
| 885 | break; |
| 886 | } |
| 887 | line_breakcheck(); /* stop if ctrl-C typed */ |
| 888 | if (got_int) |
| 889 | break; |
| 890 | |
| 891 | #ifdef FEAT_SEARCH_EXTRA |
| 892 | /* Cancel searching if a character was typed. Used for |
| 893 | * 'incsearch'. Don't check too often, that would slowdown |
| 894 | * searching too much. */ |
| 895 | if ((options & SEARCH_PEEK) |
| 896 | && ((lnum - pos->lnum) & 0x3f) == 0 |
| 897 | && char_avail()) |
| 898 | { |
| 899 | break_loop = TRUE; |
| 900 | break; |
| 901 | } |
| 902 | #endif |
| 903 | |
| 904 | if (loop && lnum == start_pos.lnum) |
| 905 | break; /* if second loop, stop where started */ |
| 906 | } |
| 907 | at_first_line = FALSE; |
| 908 | |
| 909 | /* |
Bram Moolenaar | a23ccb8 | 2006-02-27 00:08:02 +0000 | [diff] [blame] | 910 | * Stop the search if wrapscan isn't set, "stop_lnum" is |
| 911 | * specified, after an interrupt, after a match and after looping |
| 912 | * twice. |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 913 | */ |
Bram Moolenaar | a23ccb8 | 2006-02-27 00:08:02 +0000 | [diff] [blame] | 914 | if (!p_ws || stop_lnum != 0 || got_int || called_emsg |
| 915 | || break_loop || found || loop) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 916 | break; |
| 917 | |
| 918 | /* |
| 919 | * If 'wrapscan' is set we continue at the other end of the file. |
| 920 | * If 'shortmess' does not contain 's', we give a message. |
| 921 | * This message is also remembered in keep_msg for when the screen |
| 922 | * is redrawn. The keep_msg is cleared whenever another message is |
| 923 | * written. |
| 924 | */ |
| 925 | if (dir == BACKWARD) /* start second loop at the other end */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 926 | lnum = buf->b_ml.ml_line_count; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 927 | else |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 928 | lnum = 1; |
Bram Moolenaar | 92d640f | 2005-09-05 22:11:52 +0000 | [diff] [blame] | 929 | if (!shortmess(SHM_SEARCH) && (options & SEARCH_MSG)) |
| 930 | give_warning((char_u *)_(dir == BACKWARD |
| 931 | ? top_bot_msg : bot_top_msg), TRUE); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 932 | } |
| 933 | if (got_int || called_emsg || break_loop) |
| 934 | break; |
| 935 | } |
| 936 | while (--count > 0 && found); /* stop after count matches or no match */ |
| 937 | |
| 938 | vim_free(regmatch.regprog); |
| 939 | |
Bram Moolenaar | 280f126 | 2006-01-30 00:14:18 +0000 | [diff] [blame] | 940 | called_emsg |= save_called_emsg; |
| 941 | |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 942 | if (!found) /* did not find it */ |
| 943 | { |
| 944 | if (got_int) |
| 945 | EMSG(_(e_interr)); |
| 946 | else if ((options & SEARCH_MSG) == SEARCH_MSG) |
| 947 | { |
| 948 | if (p_ws) |
| 949 | EMSG2(_(e_patnotf2), mr_pattern); |
| 950 | else if (lnum == 0) |
| 951 | EMSG2(_("E384: search hit TOP without match for: %s"), |
| 952 | mr_pattern); |
| 953 | else |
| 954 | EMSG2(_("E385: search hit BOTTOM without match for: %s"), |
| 955 | mr_pattern); |
| 956 | } |
| 957 | return FAIL; |
| 958 | } |
| 959 | |
Bram Moolenaar | 32466aa | 2006-02-24 23:53:04 +0000 | [diff] [blame] | 960 | /* A pattern like "\n\zs" may go past the last line. */ |
| 961 | if (pos->lnum > buf->b_ml.ml_line_count) |
| 962 | { |
| 963 | pos->lnum = buf->b_ml.ml_line_count; |
Bram Moolenaar | a93fa7e | 2006-04-17 22:14:47 +0000 | [diff] [blame] | 964 | pos->col = (int)STRLEN(ml_get_buf(buf, pos->lnum, FALSE)); |
Bram Moolenaar | 32466aa | 2006-02-24 23:53:04 +0000 | [diff] [blame] | 965 | if (pos->col > 0) |
| 966 | --pos->col; |
| 967 | } |
| 968 | |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 969 | return submatch + 1; |
| 970 | } |
| 971 | |
| 972 | #ifdef FEAT_EVAL |
| 973 | /* |
| 974 | * Return the number of the first subpat that matched. |
| 975 | */ |
| 976 | static int |
| 977 | first_submatch(rp) |
| 978 | regmmatch_T *rp; |
| 979 | { |
| 980 | int submatch; |
| 981 | |
| 982 | for (submatch = 1; ; ++submatch) |
| 983 | { |
| 984 | if (rp->startpos[submatch].lnum >= 0) |
| 985 | break; |
| 986 | if (submatch == 9) |
| 987 | { |
| 988 | submatch = 0; |
| 989 | break; |
| 990 | } |
| 991 | } |
| 992 | return submatch; |
| 993 | } |
| 994 | #endif |
| 995 | |
| 996 | /* |
| 997 | * Highest level string search function. |
Bram Moolenaar | b8017e7 | 2007-05-10 18:59:07 +0000 | [diff] [blame] | 998 | * Search for the 'count'th occurrence of pattern 'pat' in direction 'dirc' |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 999 | * If 'dirc' is 0: use previous dir. |
| 1000 | * If 'pat' is NULL or empty : use previous string. |
| 1001 | * If 'options & SEARCH_REV' : go in reverse of previous dir. |
| 1002 | * If 'options & SEARCH_ECHO': echo the search command and handle options |
| 1003 | * If 'options & SEARCH_MSG' : may give error message |
| 1004 | * If 'options & SEARCH_OPT' : interpret optional flags |
| 1005 | * If 'options & SEARCH_HIS' : put search pattern in history |
| 1006 | * If 'options & SEARCH_NOOF': don't add offset to position |
| 1007 | * If 'options & SEARCH_MARK': set previous context mark |
| 1008 | * If 'options & SEARCH_KEEP': keep previous search pattern |
| 1009 | * If 'options & SEARCH_START': accept match at curpos itself |
| 1010 | * If 'options & SEARCH_PEEK': check for typed char, cancel search |
| 1011 | * |
| 1012 | * Careful: If spats[0].off.line == TRUE and spats[0].off.off == 0 this |
| 1013 | * makes the movement linewise without moving the match position. |
| 1014 | * |
| 1015 | * return 0 for failure, 1 for found, 2 for found and line offset added |
| 1016 | */ |
| 1017 | int |
Bram Moolenaar | 91a4e82 | 2008-01-19 14:59:58 +0000 | [diff] [blame] | 1018 | do_search(oap, dirc, pat, count, options, tm) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1019 | oparg_T *oap; /* can be NULL */ |
| 1020 | int dirc; /* '/' or '?' */ |
| 1021 | char_u *pat; |
| 1022 | long count; |
| 1023 | int options; |
Bram Moolenaar | 91a4e82 | 2008-01-19 14:59:58 +0000 | [diff] [blame] | 1024 | proftime_T *tm; /* timeout limit or NULL */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1025 | { |
| 1026 | pos_T pos; /* position of the last match */ |
| 1027 | char_u *searchstr; |
| 1028 | struct soffset old_off; |
| 1029 | int retval; /* Return value */ |
| 1030 | char_u *p; |
| 1031 | long c; |
| 1032 | char_u *dircp; |
| 1033 | char_u *strcopy = NULL; |
| 1034 | char_u *ps; |
| 1035 | |
| 1036 | /* |
| 1037 | * A line offset is not remembered, this is vi compatible. |
| 1038 | */ |
| 1039 | if (spats[0].off.line && vim_strchr(p_cpo, CPO_LINEOFF) != NULL) |
| 1040 | { |
| 1041 | spats[0].off.line = FALSE; |
| 1042 | spats[0].off.off = 0; |
| 1043 | } |
| 1044 | |
| 1045 | /* |
| 1046 | * Save the values for when (options & SEARCH_KEEP) is used. |
| 1047 | * (there is no "if ()" around this because gcc wants them initialized) |
| 1048 | */ |
| 1049 | old_off = spats[0].off; |
| 1050 | |
| 1051 | pos = curwin->w_cursor; /* start searching at the cursor position */ |
| 1052 | |
| 1053 | /* |
| 1054 | * Find out the direction of the search. |
| 1055 | */ |
| 1056 | if (dirc == 0) |
| 1057 | dirc = spats[0].off.dir; |
| 1058 | else |
| 1059 | spats[0].off.dir = dirc; |
| 1060 | if (options & SEARCH_REV) |
| 1061 | { |
| 1062 | #ifdef WIN32 |
| 1063 | /* There is a bug in the Visual C++ 2.2 compiler which means that |
| 1064 | * dirc always ends up being '/' */ |
| 1065 | dirc = (dirc == '/') ? '?' : '/'; |
| 1066 | #else |
| 1067 | if (dirc == '/') |
| 1068 | dirc = '?'; |
| 1069 | else |
| 1070 | dirc = '/'; |
| 1071 | #endif |
| 1072 | } |
| 1073 | |
| 1074 | #ifdef FEAT_FOLDING |
| 1075 | /* If the cursor is in a closed fold, don't find another match in the same |
| 1076 | * fold. */ |
| 1077 | if (dirc == '/') |
| 1078 | { |
| 1079 | if (hasFolding(pos.lnum, NULL, &pos.lnum)) |
| 1080 | pos.col = MAXCOL - 2; /* avoid overflow when adding 1 */ |
| 1081 | } |
| 1082 | else |
| 1083 | { |
| 1084 | if (hasFolding(pos.lnum, &pos.lnum, NULL)) |
| 1085 | pos.col = 0; |
| 1086 | } |
| 1087 | #endif |
| 1088 | |
| 1089 | #ifdef FEAT_SEARCH_EXTRA |
| 1090 | /* |
| 1091 | * Turn 'hlsearch' highlighting back on. |
| 1092 | */ |
| 1093 | if (no_hlsearch && !(options & SEARCH_KEEP)) |
| 1094 | { |
Bram Moolenaar | 1c8f93f | 2006-03-12 22:10:07 +0000 | [diff] [blame] | 1095 | redraw_all_later(SOME_VALID); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1096 | no_hlsearch = FALSE; |
| 1097 | } |
| 1098 | #endif |
| 1099 | |
| 1100 | /* |
| 1101 | * Repeat the search when pattern followed by ';', e.g. "/foo/;?bar". |
| 1102 | */ |
| 1103 | for (;;) |
| 1104 | { |
| 1105 | searchstr = pat; |
| 1106 | dircp = NULL; |
| 1107 | /* use previous pattern */ |
| 1108 | if (pat == NULL || *pat == NUL || *pat == dirc) |
| 1109 | { |
| 1110 | if (spats[RE_SEARCH].pat == NULL) /* no previous pattern */ |
| 1111 | { |
| 1112 | EMSG(_(e_noprevre)); |
| 1113 | retval = 0; |
| 1114 | goto end_do_search; |
| 1115 | } |
| 1116 | /* make search_regcomp() use spats[RE_SEARCH].pat */ |
| 1117 | searchstr = (char_u *)""; |
| 1118 | } |
| 1119 | |
| 1120 | if (pat != NULL && *pat != NUL) /* look for (new) offset */ |
| 1121 | { |
| 1122 | /* |
| 1123 | * Find end of regular expression. |
| 1124 | * If there is a matching '/' or '?', toss it. |
| 1125 | */ |
| 1126 | ps = strcopy; |
| 1127 | p = skip_regexp(pat, dirc, (int)p_magic, &strcopy); |
| 1128 | if (strcopy != ps) |
| 1129 | { |
| 1130 | /* made a copy of "pat" to change "\?" to "?" */ |
Bram Moolenaar | a93fa7e | 2006-04-17 22:14:47 +0000 | [diff] [blame] | 1131 | searchcmdlen += (int)(STRLEN(pat) - STRLEN(strcopy)); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1132 | pat = strcopy; |
| 1133 | searchstr = strcopy; |
| 1134 | } |
| 1135 | if (*p == dirc) |
| 1136 | { |
| 1137 | dircp = p; /* remember where we put the NUL */ |
| 1138 | *p++ = NUL; |
| 1139 | } |
| 1140 | spats[0].off.line = FALSE; |
| 1141 | spats[0].off.end = FALSE; |
| 1142 | spats[0].off.off = 0; |
| 1143 | /* |
| 1144 | * Check for a line offset or a character offset. |
| 1145 | * For get_address (echo off) we don't check for a character |
| 1146 | * offset, because it is meaningless and the 's' could be a |
| 1147 | * substitute command. |
| 1148 | */ |
| 1149 | if (*p == '+' || *p == '-' || VIM_ISDIGIT(*p)) |
| 1150 | spats[0].off.line = TRUE; |
| 1151 | else if ((options & SEARCH_OPT) && |
| 1152 | (*p == 'e' || *p == 's' || *p == 'b')) |
| 1153 | { |
| 1154 | if (*p == 'e') /* end */ |
| 1155 | spats[0].off.end = SEARCH_END; |
| 1156 | ++p; |
| 1157 | } |
| 1158 | if (VIM_ISDIGIT(*p) || *p == '+' || *p == '-') /* got an offset */ |
| 1159 | { |
| 1160 | /* 'nr' or '+nr' or '-nr' */ |
| 1161 | if (VIM_ISDIGIT(*p) || VIM_ISDIGIT(*(p + 1))) |
| 1162 | spats[0].off.off = atol((char *)p); |
| 1163 | else if (*p == '-') /* single '-' */ |
| 1164 | spats[0].off.off = -1; |
| 1165 | else /* single '+' */ |
| 1166 | spats[0].off.off = 1; |
| 1167 | ++p; |
| 1168 | while (VIM_ISDIGIT(*p)) /* skip number */ |
| 1169 | ++p; |
| 1170 | } |
| 1171 | |
| 1172 | /* compute length of search command for get_address() */ |
| 1173 | searchcmdlen += (int)(p - pat); |
| 1174 | |
| 1175 | pat = p; /* put pat after search command */ |
| 1176 | } |
| 1177 | |
| 1178 | if ((options & SEARCH_ECHO) && messaging() |
| 1179 | && !cmd_silent && msg_silent == 0) |
| 1180 | { |
| 1181 | char_u *msgbuf; |
| 1182 | char_u *trunc; |
| 1183 | |
| 1184 | if (*searchstr == NUL) |
| 1185 | p = spats[last_idx].pat; |
| 1186 | else |
| 1187 | p = searchstr; |
| 1188 | msgbuf = alloc((unsigned)(STRLEN(p) + 40)); |
| 1189 | if (msgbuf != NULL) |
| 1190 | { |
| 1191 | msgbuf[0] = dirc; |
Bram Moolenaar | cafda4f | 2005-09-06 19:25:11 +0000 | [diff] [blame] | 1192 | #ifdef FEAT_MBYTE |
| 1193 | if (enc_utf8 && utf_iscomposing(utf_ptr2char(p))) |
| 1194 | { |
| 1195 | /* Use a space to draw the composing char on. */ |
| 1196 | msgbuf[1] = ' '; |
| 1197 | STRCPY(msgbuf + 2, p); |
| 1198 | } |
| 1199 | else |
| 1200 | #endif |
| 1201 | STRCPY(msgbuf + 1, p); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1202 | if (spats[0].off.line || spats[0].off.end || spats[0].off.off) |
| 1203 | { |
| 1204 | p = msgbuf + STRLEN(msgbuf); |
| 1205 | *p++ = dirc; |
| 1206 | if (spats[0].off.end) |
| 1207 | *p++ = 'e'; |
| 1208 | else if (!spats[0].off.line) |
| 1209 | *p++ = 's'; |
| 1210 | if (spats[0].off.off > 0 || spats[0].off.line) |
| 1211 | *p++ = '+'; |
| 1212 | if (spats[0].off.off != 0 || spats[0].off.line) |
| 1213 | sprintf((char *)p, "%ld", spats[0].off.off); |
| 1214 | else |
| 1215 | *p = NUL; |
| 1216 | } |
| 1217 | |
| 1218 | msg_start(); |
Bram Moolenaar | a4a0838 | 2005-09-09 19:52:02 +0000 | [diff] [blame] | 1219 | trunc = msg_strtrunc(msgbuf, FALSE); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1220 | |
| 1221 | #ifdef FEAT_RIGHTLEFT |
| 1222 | /* The search pattern could be shown on the right in rightleft |
| 1223 | * mode, but the 'ruler' and 'showcmd' area use it too, thus |
| 1224 | * it would be blanked out again very soon. Show it on the |
| 1225 | * left, but do reverse the text. */ |
| 1226 | if (curwin->w_p_rl && *curwin->w_p_rlc == 's') |
| 1227 | { |
| 1228 | char_u *r; |
| 1229 | |
| 1230 | r = reverse_text(trunc != NULL ? trunc : msgbuf); |
| 1231 | if (r != NULL) |
| 1232 | { |
| 1233 | vim_free(trunc); |
| 1234 | trunc = r; |
| 1235 | } |
| 1236 | } |
| 1237 | #endif |
| 1238 | if (trunc != NULL) |
| 1239 | { |
| 1240 | msg_outtrans(trunc); |
| 1241 | vim_free(trunc); |
| 1242 | } |
| 1243 | else |
| 1244 | msg_outtrans(msgbuf); |
| 1245 | msg_clr_eos(); |
| 1246 | msg_check(); |
| 1247 | vim_free(msgbuf); |
| 1248 | |
| 1249 | gotocmdline(FALSE); |
| 1250 | out_flush(); |
| 1251 | msg_nowait = TRUE; /* don't wait for this message */ |
| 1252 | } |
| 1253 | } |
| 1254 | |
| 1255 | /* |
| 1256 | * If there is a character offset, subtract it from the current |
| 1257 | * position, so we don't get stuck at "?pat?e+2" or "/pat/s-2". |
Bram Moolenaar | ed20346 | 2004-06-16 11:19:22 +0000 | [diff] [blame] | 1258 | * Skip this if pos.col is near MAXCOL (closed fold). |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1259 | * This is not done for a line offset, because then we would not be vi |
| 1260 | * compatible. |
| 1261 | */ |
Bram Moolenaar | ed20346 | 2004-06-16 11:19:22 +0000 | [diff] [blame] | 1262 | if (!spats[0].off.line && spats[0].off.off && pos.col < MAXCOL - 2) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1263 | { |
| 1264 | if (spats[0].off.off > 0) |
| 1265 | { |
| 1266 | for (c = spats[0].off.off; c; --c) |
| 1267 | if (decl(&pos) == -1) |
| 1268 | break; |
| 1269 | if (c) /* at start of buffer */ |
| 1270 | { |
| 1271 | pos.lnum = 0; /* allow lnum == 0 here */ |
| 1272 | pos.col = MAXCOL; |
| 1273 | } |
| 1274 | } |
| 1275 | else |
| 1276 | { |
| 1277 | for (c = spats[0].off.off; c; ++c) |
| 1278 | if (incl(&pos) == -1) |
| 1279 | break; |
| 1280 | if (c) /* at end of buffer */ |
| 1281 | { |
| 1282 | pos.lnum = curbuf->b_ml.ml_line_count + 1; |
| 1283 | pos.col = 0; |
| 1284 | } |
| 1285 | } |
| 1286 | } |
| 1287 | |
| 1288 | #ifdef FEAT_FKMAP /* when in Farsi mode, reverse the character flow */ |
| 1289 | if (p_altkeymap && curwin->w_p_rl) |
| 1290 | lrFswap(searchstr,0); |
| 1291 | #endif |
| 1292 | |
| 1293 | c = searchit(curwin, curbuf, &pos, dirc == '/' ? FORWARD : BACKWARD, |
| 1294 | searchstr, count, spats[0].off.end + (options & |
| 1295 | (SEARCH_KEEP + SEARCH_PEEK + SEARCH_HIS |
| 1296 | + SEARCH_MSG + SEARCH_START |
| 1297 | + ((pat != NULL && *pat == ';') ? 0 : SEARCH_NOOF))), |
Bram Moolenaar | 91a4e82 | 2008-01-19 14:59:58 +0000 | [diff] [blame] | 1298 | RE_LAST, (linenr_T)0, tm); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1299 | |
| 1300 | if (dircp != NULL) |
| 1301 | *dircp = dirc; /* restore second '/' or '?' for normal_cmd() */ |
| 1302 | if (c == FAIL) |
| 1303 | { |
| 1304 | retval = 0; |
| 1305 | goto end_do_search; |
| 1306 | } |
| 1307 | if (spats[0].off.end && oap != NULL) |
| 1308 | oap->inclusive = TRUE; /* 'e' includes last character */ |
| 1309 | |
| 1310 | retval = 1; /* pattern found */ |
| 1311 | |
| 1312 | /* |
| 1313 | * Add character and/or line offset |
| 1314 | */ |
Bram Moolenaar | 9160f30 | 2006-08-29 15:58:12 +0000 | [diff] [blame] | 1315 | if (!(options & SEARCH_NOOF) || (pat != NULL && *pat == ';')) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1316 | { |
| 1317 | if (spats[0].off.line) /* Add the offset to the line number. */ |
| 1318 | { |
| 1319 | c = pos.lnum + spats[0].off.off; |
| 1320 | if (c < 1) |
| 1321 | pos.lnum = 1; |
| 1322 | else if (c > curbuf->b_ml.ml_line_count) |
| 1323 | pos.lnum = curbuf->b_ml.ml_line_count; |
| 1324 | else |
| 1325 | pos.lnum = c; |
| 1326 | pos.col = 0; |
| 1327 | |
| 1328 | retval = 2; /* pattern found, line offset added */ |
| 1329 | } |
Bram Moolenaar | ed20346 | 2004-06-16 11:19:22 +0000 | [diff] [blame] | 1330 | else if (pos.col < MAXCOL - 2) /* just in case */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1331 | { |
| 1332 | /* to the right, check for end of file */ |
| 1333 | if (spats[0].off.off > 0) |
| 1334 | { |
| 1335 | for (c = spats[0].off.off; c; --c) |
| 1336 | if (incl(&pos) == -1) |
| 1337 | break; |
| 1338 | } |
| 1339 | /* to the left, check for start of file */ |
| 1340 | else |
| 1341 | { |
| 1342 | if ((c = pos.col + spats[0].off.off) >= 0) |
| 1343 | pos.col = c; |
| 1344 | else |
| 1345 | for (c = spats[0].off.off; c; ++c) |
| 1346 | if (decl(&pos) == -1) |
| 1347 | break; |
| 1348 | } |
| 1349 | } |
| 1350 | } |
| 1351 | |
| 1352 | /* |
| 1353 | * The search command can be followed by a ';' to do another search. |
| 1354 | * For example: "/pat/;/foo/+3;?bar" |
| 1355 | * This is like doing another search command, except: |
| 1356 | * - The remembered direction '/' or '?' is from the first search. |
| 1357 | * - When an error happens the cursor isn't moved at all. |
| 1358 | * Don't do this when called by get_address() (it handles ';' itself). |
| 1359 | */ |
| 1360 | if (!(options & SEARCH_OPT) || pat == NULL || *pat != ';') |
| 1361 | break; |
| 1362 | |
| 1363 | dirc = *++pat; |
| 1364 | if (dirc != '?' && dirc != '/') |
| 1365 | { |
| 1366 | retval = 0; |
| 1367 | EMSG(_("E386: Expected '?' or '/' after ';'")); |
| 1368 | goto end_do_search; |
| 1369 | } |
| 1370 | ++pat; |
| 1371 | } |
| 1372 | |
| 1373 | if (options & SEARCH_MARK) |
| 1374 | setpcmark(); |
| 1375 | curwin->w_cursor = pos; |
| 1376 | curwin->w_set_curswant = TRUE; |
| 1377 | |
| 1378 | end_do_search: |
| 1379 | if (options & SEARCH_KEEP) |
| 1380 | spats[0].off = old_off; |
| 1381 | vim_free(strcopy); |
| 1382 | |
| 1383 | return retval; |
| 1384 | } |
| 1385 | |
| 1386 | #if defined(FEAT_INS_EXPAND) || defined(PROTO) |
| 1387 | /* |
| 1388 | * search_for_exact_line(buf, pos, dir, pat) |
| 1389 | * |
| 1390 | * Search for a line starting with the given pattern (ignoring leading |
| 1391 | * white-space), starting from pos and going in direction dir. pos will |
| 1392 | * contain the position of the match found. Blank lines match only if |
| 1393 | * ADDING is set. if p_ic is set then the pattern must be in lowercase. |
| 1394 | * Return OK for success, or FAIL if no line found. |
| 1395 | */ |
| 1396 | int |
| 1397 | search_for_exact_line(buf, pos, dir, pat) |
| 1398 | buf_T *buf; |
| 1399 | pos_T *pos; |
| 1400 | int dir; |
| 1401 | char_u *pat; |
| 1402 | { |
| 1403 | linenr_T start = 0; |
| 1404 | char_u *ptr; |
| 1405 | char_u *p; |
| 1406 | |
| 1407 | if (buf->b_ml.ml_line_count == 0) |
| 1408 | return FAIL; |
| 1409 | for (;;) |
| 1410 | { |
| 1411 | pos->lnum += dir; |
| 1412 | if (pos->lnum < 1) |
| 1413 | { |
| 1414 | if (p_ws) |
| 1415 | { |
| 1416 | pos->lnum = buf->b_ml.ml_line_count; |
| 1417 | if (!shortmess(SHM_SEARCH)) |
| 1418 | give_warning((char_u *)_(top_bot_msg), TRUE); |
| 1419 | } |
| 1420 | else |
| 1421 | { |
| 1422 | pos->lnum = 1; |
| 1423 | break; |
| 1424 | } |
| 1425 | } |
| 1426 | else if (pos->lnum > buf->b_ml.ml_line_count) |
| 1427 | { |
| 1428 | if (p_ws) |
| 1429 | { |
| 1430 | pos->lnum = 1; |
| 1431 | if (!shortmess(SHM_SEARCH)) |
| 1432 | give_warning((char_u *)_(bot_top_msg), TRUE); |
| 1433 | } |
| 1434 | else |
| 1435 | { |
| 1436 | pos->lnum = 1; |
| 1437 | break; |
| 1438 | } |
| 1439 | } |
| 1440 | if (pos->lnum == start) |
| 1441 | break; |
| 1442 | if (start == 0) |
| 1443 | start = pos->lnum; |
| 1444 | ptr = ml_get_buf(buf, pos->lnum, FALSE); |
| 1445 | p = skipwhite(ptr); |
| 1446 | pos->col = (colnr_T) (p - ptr); |
| 1447 | |
| 1448 | /* when adding lines the matching line may be empty but it is not |
| 1449 | * ignored because we are interested in the next line -- Acevedo */ |
Bram Moolenaar | 4be06f9 | 2005-07-29 22:36:03 +0000 | [diff] [blame] | 1450 | if ((compl_cont_status & CONT_ADDING) |
| 1451 | && !(compl_cont_status & CONT_SOL)) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1452 | { |
| 1453 | if ((p_ic ? MB_STRICMP(p, pat) : STRCMP(p, pat)) == 0) |
| 1454 | return OK; |
| 1455 | } |
| 1456 | else if (*p != NUL) /* ignore empty lines */ |
| 1457 | { /* expanding lines or words */ |
Bram Moolenaar | 4be06f9 | 2005-07-29 22:36:03 +0000 | [diff] [blame] | 1458 | if ((p_ic ? MB_STRNICMP(p, pat, compl_length) |
| 1459 | : STRNCMP(p, pat, compl_length)) == 0) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1460 | return OK; |
| 1461 | } |
| 1462 | } |
| 1463 | return FAIL; |
| 1464 | } |
| 1465 | #endif /* FEAT_INS_EXPAND */ |
| 1466 | |
| 1467 | /* |
| 1468 | * Character Searches |
| 1469 | */ |
| 1470 | |
| 1471 | /* |
| 1472 | * Search for a character in a line. If "t_cmd" is FALSE, move to the |
| 1473 | * position of the character, otherwise move to just before the char. |
| 1474 | * Do this "cap->count1" times. |
| 1475 | * Return FAIL or OK. |
| 1476 | */ |
| 1477 | int |
| 1478 | searchc(cap, t_cmd) |
| 1479 | cmdarg_T *cap; |
| 1480 | int t_cmd; |
| 1481 | { |
| 1482 | int c = cap->nchar; /* char to search for */ |
| 1483 | int dir = cap->arg; /* TRUE for searching forward */ |
| 1484 | long count = cap->count1; /* repeat count */ |
| 1485 | static int lastc = NUL; /* last character searched for */ |
| 1486 | static int lastcdir; /* last direction of character search */ |
| 1487 | static int last_t_cmd; /* last search t_cmd */ |
| 1488 | int col; |
| 1489 | char_u *p; |
| 1490 | int len; |
| 1491 | #ifdef FEAT_MBYTE |
| 1492 | static char_u bytes[MB_MAXBYTES]; |
| 1493 | static int bytelen = 1; /* >1 for multi-byte char */ |
| 1494 | #endif |
| 1495 | |
| 1496 | if (c != NUL) /* normal search: remember args for repeat */ |
| 1497 | { |
| 1498 | if (!KeyStuffed) /* don't remember when redoing */ |
| 1499 | { |
| 1500 | lastc = c; |
| 1501 | lastcdir = dir; |
| 1502 | last_t_cmd = t_cmd; |
| 1503 | #ifdef FEAT_MBYTE |
| 1504 | bytelen = (*mb_char2bytes)(c, bytes); |
| 1505 | if (cap->ncharC1 != 0) |
| 1506 | { |
| 1507 | bytelen += (*mb_char2bytes)(cap->ncharC1, bytes + bytelen); |
| 1508 | if (cap->ncharC2 != 0) |
| 1509 | bytelen += (*mb_char2bytes)(cap->ncharC2, bytes + bytelen); |
| 1510 | } |
| 1511 | #endif |
| 1512 | } |
| 1513 | } |
| 1514 | else /* repeat previous search */ |
| 1515 | { |
| 1516 | if (lastc == NUL) |
| 1517 | return FAIL; |
| 1518 | if (dir) /* repeat in opposite direction */ |
| 1519 | dir = -lastcdir; |
| 1520 | else |
| 1521 | dir = lastcdir; |
| 1522 | t_cmd = last_t_cmd; |
| 1523 | c = lastc; |
| 1524 | /* For multi-byte re-use last bytes[] and bytelen. */ |
| 1525 | } |
| 1526 | |
Bram Moolenaar | 60a795a | 2005-09-16 21:55:43 +0000 | [diff] [blame] | 1527 | if (dir == BACKWARD) |
| 1528 | cap->oap->inclusive = FALSE; |
| 1529 | else |
| 1530 | cap->oap->inclusive = TRUE; |
| 1531 | |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1532 | p = ml_get_curline(); |
| 1533 | col = curwin->w_cursor.col; |
| 1534 | len = (int)STRLEN(p); |
| 1535 | |
| 1536 | while (count--) |
| 1537 | { |
| 1538 | #ifdef FEAT_MBYTE |
| 1539 | if (has_mbyte) |
| 1540 | { |
| 1541 | for (;;) |
| 1542 | { |
| 1543 | if (dir > 0) |
| 1544 | { |
Bram Moolenaar | 0fa313a | 2005-08-10 21:07:57 +0000 | [diff] [blame] | 1545 | col += (*mb_ptr2len)(p + col); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1546 | if (col >= len) |
| 1547 | return FAIL; |
| 1548 | } |
| 1549 | else |
| 1550 | { |
| 1551 | if (col == 0) |
| 1552 | return FAIL; |
| 1553 | col -= (*mb_head_off)(p, p + col - 1) + 1; |
| 1554 | } |
| 1555 | if (bytelen == 1) |
| 1556 | { |
| 1557 | if (p[col] == c) |
| 1558 | break; |
| 1559 | } |
| 1560 | else |
| 1561 | { |
| 1562 | if (vim_memcmp(p + col, bytes, bytelen) == 0) |
| 1563 | break; |
| 1564 | } |
| 1565 | } |
| 1566 | } |
| 1567 | else |
| 1568 | #endif |
| 1569 | { |
| 1570 | for (;;) |
| 1571 | { |
| 1572 | if ((col += dir) < 0 || col >= len) |
| 1573 | return FAIL; |
| 1574 | if (p[col] == c) |
| 1575 | break; |
| 1576 | } |
| 1577 | } |
| 1578 | } |
| 1579 | |
| 1580 | if (t_cmd) |
| 1581 | { |
| 1582 | /* backup to before the character (possibly double-byte) */ |
| 1583 | col -= dir; |
| 1584 | #ifdef FEAT_MBYTE |
| 1585 | if (has_mbyte) |
| 1586 | { |
| 1587 | if (dir < 0) |
| 1588 | /* Landed on the search char which is bytelen long */ |
| 1589 | col += bytelen - 1; |
| 1590 | else |
| 1591 | /* To previous char, which may be multi-byte. */ |
| 1592 | col -= (*mb_head_off)(p, p + col); |
| 1593 | } |
| 1594 | #endif |
| 1595 | } |
| 1596 | curwin->w_cursor.col = col; |
| 1597 | |
| 1598 | return OK; |
| 1599 | } |
| 1600 | |
| 1601 | /* |
| 1602 | * "Other" Searches |
| 1603 | */ |
| 1604 | |
| 1605 | /* |
| 1606 | * findmatch - find the matching paren or brace |
| 1607 | * |
| 1608 | * Improvement over vi: Braces inside quotes are ignored. |
| 1609 | */ |
| 1610 | pos_T * |
| 1611 | findmatch(oap, initc) |
| 1612 | oparg_T *oap; |
| 1613 | int initc; |
| 1614 | { |
| 1615 | return findmatchlimit(oap, initc, 0, 0); |
| 1616 | } |
| 1617 | |
| 1618 | /* |
| 1619 | * Return TRUE if the character before "linep[col]" equals "ch". |
| 1620 | * Return FALSE if "col" is zero. |
| 1621 | * Update "*prevcol" to the column of the previous character, unless "prevcol" |
| 1622 | * is NULL. |
| 1623 | * Handles multibyte string correctly. |
| 1624 | */ |
| 1625 | static int |
| 1626 | check_prevcol(linep, col, ch, prevcol) |
| 1627 | char_u *linep; |
| 1628 | int col; |
| 1629 | int ch; |
| 1630 | int *prevcol; |
| 1631 | { |
| 1632 | --col; |
| 1633 | #ifdef FEAT_MBYTE |
| 1634 | if (col > 0 && has_mbyte) |
| 1635 | col -= (*mb_head_off)(linep, linep + col); |
| 1636 | #endif |
| 1637 | if (prevcol) |
| 1638 | *prevcol = col; |
| 1639 | return (col >= 0 && linep[col] == ch) ? TRUE : FALSE; |
| 1640 | } |
| 1641 | |
| 1642 | /* |
| 1643 | * findmatchlimit -- find the matching paren or brace, if it exists within |
| 1644 | * maxtravel lines of here. A maxtravel of 0 means search until falling off |
| 1645 | * the edge of the file. |
| 1646 | * |
| 1647 | * "initc" is the character to find a match for. NUL means to find the |
| 1648 | * character at or after the cursor. |
| 1649 | * |
| 1650 | * flags: FM_BACKWARD search backwards (when initc is '/', '*' or '#') |
| 1651 | * FM_FORWARD search forwards (when initc is '/', '*' or '#') |
| 1652 | * FM_BLOCKSTOP stop at start/end of block ({ or } in column 0) |
| 1653 | * FM_SKIPCOMM skip comments (not implemented yet!) |
Bram Moolenaar | f75a963 | 2005-09-13 21:20:47 +0000 | [diff] [blame] | 1654 | * |
| 1655 | * "oap" is only used to set oap->motion_type for a linewise motion, it be |
| 1656 | * NULL |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1657 | */ |
| 1658 | |
| 1659 | pos_T * |
| 1660 | findmatchlimit(oap, initc, flags, maxtravel) |
| 1661 | oparg_T *oap; |
| 1662 | int initc; |
| 1663 | int flags; |
| 1664 | int maxtravel; |
| 1665 | { |
| 1666 | static pos_T pos; /* current search position */ |
| 1667 | int findc = 0; /* matching brace */ |
| 1668 | int c; |
| 1669 | int count = 0; /* cumulative number of braces */ |
| 1670 | int backwards = FALSE; /* init for gcc */ |
| 1671 | int inquote = FALSE; /* TRUE when inside quotes */ |
| 1672 | char_u *linep; /* pointer to current line */ |
| 1673 | char_u *ptr; |
| 1674 | int do_quotes; /* check for quotes in current line */ |
| 1675 | int at_start; /* do_quotes value at start position */ |
| 1676 | int hash_dir = 0; /* Direction searched for # things */ |
| 1677 | int comment_dir = 0; /* Direction searched for comments */ |
| 1678 | pos_T match_pos; /* Where last slash-star was found */ |
| 1679 | int start_in_quotes; /* start position is in quotes */ |
| 1680 | int traveled = 0; /* how far we've searched so far */ |
| 1681 | int ignore_cend = FALSE; /* ignore comment end */ |
| 1682 | int cpo_match; /* vi compatible matching */ |
| 1683 | int cpo_bsl; /* don't recognize backslashes */ |
| 1684 | int match_escaped = 0; /* search for escaped match */ |
| 1685 | int dir; /* Direction to search */ |
| 1686 | int comment_col = MAXCOL; /* start of / / comment */ |
Bram Moolenaar | 325b7a2 | 2004-07-05 15:58:32 +0000 | [diff] [blame] | 1687 | #ifdef FEAT_LISP |
| 1688 | int lispcomm = FALSE; /* inside of Lisp-style comment */ |
| 1689 | int lisp = curbuf->b_p_lisp; /* engage Lisp-specific hacks ;) */ |
| 1690 | #endif |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1691 | |
| 1692 | pos = curwin->w_cursor; |
| 1693 | linep = ml_get(pos.lnum); |
| 1694 | |
| 1695 | cpo_match = (vim_strchr(p_cpo, CPO_MATCH) != NULL); |
| 1696 | cpo_bsl = (vim_strchr(p_cpo, CPO_MATCHBSL) != NULL); |
| 1697 | |
| 1698 | /* Direction to search when initc is '/', '*' or '#' */ |
| 1699 | if (flags & FM_BACKWARD) |
| 1700 | dir = BACKWARD; |
| 1701 | else if (flags & FM_FORWARD) |
| 1702 | dir = FORWARD; |
| 1703 | else |
| 1704 | dir = 0; |
| 1705 | |
| 1706 | /* |
| 1707 | * if initc given, look in the table for the matching character |
| 1708 | * '/' and '*' are special cases: look for start or end of comment. |
| 1709 | * When '/' is used, we ignore running backwards into an star-slash, for |
| 1710 | * "[*" command, we just want to find any comment. |
| 1711 | */ |
| 1712 | if (initc == '/' || initc == '*') |
| 1713 | { |
| 1714 | comment_dir = dir; |
| 1715 | if (initc == '/') |
| 1716 | ignore_cend = TRUE; |
| 1717 | backwards = (dir == FORWARD) ? FALSE : TRUE; |
| 1718 | initc = NUL; |
| 1719 | } |
| 1720 | else if (initc != '#' && initc != NUL) |
| 1721 | { |
| 1722 | /* 'matchpairs' is "x:y,x:y" */ |
| 1723 | for (ptr = curbuf->b_p_mps; *ptr; ptr += 2) |
| 1724 | { |
| 1725 | if (*ptr == initc) |
| 1726 | { |
| 1727 | findc = initc; |
| 1728 | initc = ptr[2]; |
| 1729 | backwards = TRUE; |
| 1730 | break; |
| 1731 | } |
| 1732 | ptr += 2; |
| 1733 | if (*ptr == initc) |
| 1734 | { |
| 1735 | findc = initc; |
| 1736 | initc = ptr[-2]; |
| 1737 | backwards = FALSE; |
| 1738 | break; |
| 1739 | } |
| 1740 | if (ptr[1] != ',') |
| 1741 | break; |
| 1742 | } |
| 1743 | if (!findc) /* invalid initc! */ |
| 1744 | return NULL; |
| 1745 | } |
| 1746 | /* |
| 1747 | * Either initc is '#', or no initc was given and we need to look under the |
| 1748 | * cursor. |
| 1749 | */ |
| 1750 | else |
| 1751 | { |
| 1752 | if (initc == '#') |
| 1753 | { |
| 1754 | hash_dir = dir; |
| 1755 | } |
| 1756 | else |
| 1757 | { |
| 1758 | /* |
| 1759 | * initc was not given, must look for something to match under |
| 1760 | * or near the cursor. |
| 1761 | * Only check for special things when 'cpo' doesn't have '%'. |
| 1762 | */ |
| 1763 | if (!cpo_match) |
| 1764 | { |
| 1765 | /* Are we before or at #if, #else etc.? */ |
| 1766 | ptr = skipwhite(linep); |
| 1767 | if (*ptr == '#' && pos.col <= (colnr_T)(ptr - linep)) |
| 1768 | { |
| 1769 | ptr = skipwhite(ptr + 1); |
| 1770 | if ( STRNCMP(ptr, "if", 2) == 0 |
| 1771 | || STRNCMP(ptr, "endif", 5) == 0 |
| 1772 | || STRNCMP(ptr, "el", 2) == 0) |
| 1773 | hash_dir = 1; |
| 1774 | } |
| 1775 | |
| 1776 | /* Are we on a comment? */ |
| 1777 | else if (linep[pos.col] == '/') |
| 1778 | { |
| 1779 | if (linep[pos.col + 1] == '*') |
| 1780 | { |
| 1781 | comment_dir = FORWARD; |
| 1782 | backwards = FALSE; |
| 1783 | pos.col++; |
| 1784 | } |
| 1785 | else if (pos.col > 0 && linep[pos.col - 1] == '*') |
| 1786 | { |
| 1787 | comment_dir = BACKWARD; |
| 1788 | backwards = TRUE; |
| 1789 | pos.col--; |
| 1790 | } |
| 1791 | } |
| 1792 | else if (linep[pos.col] == '*') |
| 1793 | { |
| 1794 | if (linep[pos.col + 1] == '/') |
| 1795 | { |
| 1796 | comment_dir = BACKWARD; |
| 1797 | backwards = TRUE; |
| 1798 | } |
| 1799 | else if (pos.col > 0 && linep[pos.col - 1] == '/') |
| 1800 | { |
| 1801 | comment_dir = FORWARD; |
| 1802 | backwards = FALSE; |
| 1803 | } |
| 1804 | } |
| 1805 | } |
| 1806 | |
| 1807 | /* |
| 1808 | * If we are not on a comment or the # at the start of a line, then |
| 1809 | * look for brace anywhere on this line after the cursor. |
| 1810 | */ |
| 1811 | if (!hash_dir && !comment_dir) |
| 1812 | { |
| 1813 | /* |
| 1814 | * Find the brace under or after the cursor. |
| 1815 | * If beyond the end of the line, use the last character in |
| 1816 | * the line. |
| 1817 | */ |
| 1818 | if (linep[pos.col] == NUL && pos.col) |
| 1819 | --pos.col; |
| 1820 | for (;;) |
| 1821 | { |
| 1822 | initc = linep[pos.col]; |
| 1823 | if (initc == NUL) |
| 1824 | break; |
| 1825 | |
| 1826 | for (ptr = curbuf->b_p_mps; *ptr; ++ptr) |
| 1827 | { |
| 1828 | if (*ptr == initc) |
| 1829 | { |
| 1830 | findc = ptr[2]; |
| 1831 | backwards = FALSE; |
| 1832 | break; |
| 1833 | } |
| 1834 | ptr += 2; |
| 1835 | if (*ptr == initc) |
| 1836 | { |
| 1837 | findc = ptr[-2]; |
| 1838 | backwards = TRUE; |
| 1839 | break; |
| 1840 | } |
| 1841 | if (!*++ptr) |
| 1842 | break; |
| 1843 | } |
| 1844 | if (findc) |
| 1845 | break; |
| 1846 | #ifdef FEAT_MBYTE |
| 1847 | if (has_mbyte) |
Bram Moolenaar | 0fa313a | 2005-08-10 21:07:57 +0000 | [diff] [blame] | 1848 | pos.col += (*mb_ptr2len)(linep + pos.col); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1849 | else |
| 1850 | #endif |
| 1851 | ++pos.col; |
| 1852 | } |
| 1853 | if (!findc) |
| 1854 | { |
| 1855 | /* no brace in the line, maybe use " #if" then */ |
| 1856 | if (!cpo_match && *skipwhite(linep) == '#') |
| 1857 | hash_dir = 1; |
| 1858 | else |
| 1859 | return NULL; |
| 1860 | } |
| 1861 | else if (!cpo_bsl) |
| 1862 | { |
| 1863 | int col, bslcnt = 0; |
| 1864 | |
| 1865 | /* Set "match_escaped" if there are an odd number of |
| 1866 | * backslashes. */ |
| 1867 | for (col = pos.col; check_prevcol(linep, col, '\\', &col);) |
| 1868 | bslcnt++; |
| 1869 | match_escaped = (bslcnt & 1); |
| 1870 | } |
| 1871 | } |
| 1872 | } |
| 1873 | if (hash_dir) |
| 1874 | { |
| 1875 | /* |
| 1876 | * Look for matching #if, #else, #elif, or #endif |
| 1877 | */ |
| 1878 | if (oap != NULL) |
| 1879 | oap->motion_type = MLINE; /* Linewise for this case only */ |
| 1880 | if (initc != '#') |
| 1881 | { |
| 1882 | ptr = skipwhite(skipwhite(linep) + 1); |
| 1883 | if (STRNCMP(ptr, "if", 2) == 0 || STRNCMP(ptr, "el", 2) == 0) |
| 1884 | hash_dir = 1; |
| 1885 | else if (STRNCMP(ptr, "endif", 5) == 0) |
| 1886 | hash_dir = -1; |
| 1887 | else |
| 1888 | return NULL; |
| 1889 | } |
| 1890 | pos.col = 0; |
| 1891 | while (!got_int) |
| 1892 | { |
| 1893 | if (hash_dir > 0) |
| 1894 | { |
| 1895 | if (pos.lnum == curbuf->b_ml.ml_line_count) |
| 1896 | break; |
| 1897 | } |
| 1898 | else if (pos.lnum == 1) |
| 1899 | break; |
| 1900 | pos.lnum += hash_dir; |
| 1901 | linep = ml_get(pos.lnum); |
| 1902 | line_breakcheck(); /* check for CTRL-C typed */ |
| 1903 | ptr = skipwhite(linep); |
| 1904 | if (*ptr != '#') |
| 1905 | continue; |
| 1906 | pos.col = (colnr_T) (ptr - linep); |
| 1907 | ptr = skipwhite(ptr + 1); |
| 1908 | if (hash_dir > 0) |
| 1909 | { |
| 1910 | if (STRNCMP(ptr, "if", 2) == 0) |
| 1911 | count++; |
| 1912 | else if (STRNCMP(ptr, "el", 2) == 0) |
| 1913 | { |
| 1914 | if (count == 0) |
| 1915 | return &pos; |
| 1916 | } |
| 1917 | else if (STRNCMP(ptr, "endif", 5) == 0) |
| 1918 | { |
| 1919 | if (count == 0) |
| 1920 | return &pos; |
| 1921 | count--; |
| 1922 | } |
| 1923 | } |
| 1924 | else |
| 1925 | { |
| 1926 | if (STRNCMP(ptr, "if", 2) == 0) |
| 1927 | { |
| 1928 | if (count == 0) |
| 1929 | return &pos; |
| 1930 | count--; |
| 1931 | } |
| 1932 | else if (initc == '#' && STRNCMP(ptr, "el", 2) == 0) |
| 1933 | { |
| 1934 | if (count == 0) |
| 1935 | return &pos; |
| 1936 | } |
| 1937 | else if (STRNCMP(ptr, "endif", 5) == 0) |
| 1938 | count++; |
| 1939 | } |
| 1940 | } |
| 1941 | return NULL; |
| 1942 | } |
| 1943 | } |
| 1944 | |
| 1945 | #ifdef FEAT_RIGHTLEFT |
Bram Moolenaar | abc9773 | 2007-08-08 20:49:37 +0000 | [diff] [blame] | 1946 | /* This is just guessing: when 'rightleft' is set, search for a matching |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1947 | * paren/brace in the other direction. */ |
| 1948 | if (curwin->w_p_rl && vim_strchr((char_u *)"()[]{}<>", initc) != NULL) |
| 1949 | backwards = !backwards; |
| 1950 | #endif |
| 1951 | |
| 1952 | do_quotes = -1; |
| 1953 | start_in_quotes = MAYBE; |
Bram Moolenaar | fd2ac76 | 2006-03-01 22:09:21 +0000 | [diff] [blame] | 1954 | clearpos(&match_pos); |
| 1955 | |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1956 | /* backward search: Check if this line contains a single-line comment */ |
Bram Moolenaar | 325b7a2 | 2004-07-05 15:58:32 +0000 | [diff] [blame] | 1957 | if ((backwards && comment_dir) |
| 1958 | #ifdef FEAT_LISP |
| 1959 | || lisp |
| 1960 | #endif |
| 1961 | ) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1962 | comment_col = check_linecomment(linep); |
Bram Moolenaar | 325b7a2 | 2004-07-05 15:58:32 +0000 | [diff] [blame] | 1963 | #ifdef FEAT_LISP |
| 1964 | if (lisp && comment_col != MAXCOL && pos.col > (colnr_T)comment_col) |
| 1965 | lispcomm = TRUE; /* find match inside this comment */ |
| 1966 | #endif |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1967 | while (!got_int) |
| 1968 | { |
| 1969 | /* |
| 1970 | * Go to the next position, forward or backward. We could use |
| 1971 | * inc() and dec() here, but that is much slower |
| 1972 | */ |
| 1973 | if (backwards) |
| 1974 | { |
Bram Moolenaar | 325b7a2 | 2004-07-05 15:58:32 +0000 | [diff] [blame] | 1975 | #ifdef FEAT_LISP |
| 1976 | /* char to match is inside of comment, don't search outside */ |
| 1977 | if (lispcomm && pos.col < (colnr_T)comment_col) |
| 1978 | break; |
| 1979 | #endif |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1980 | if (pos.col == 0) /* at start of line, go to prev. one */ |
| 1981 | { |
| 1982 | if (pos.lnum == 1) /* start of file */ |
| 1983 | break; |
| 1984 | --pos.lnum; |
| 1985 | |
Bram Moolenaar | 9e54a0e | 2006-04-14 20:42:25 +0000 | [diff] [blame] | 1986 | if (maxtravel > 0 && ++traveled > maxtravel) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1987 | break; |
| 1988 | |
| 1989 | linep = ml_get(pos.lnum); |
| 1990 | pos.col = (colnr_T)STRLEN(linep); /* pos.col on trailing NUL */ |
| 1991 | do_quotes = -1; |
| 1992 | line_breakcheck(); |
| 1993 | |
| 1994 | /* Check if this line contains a single-line comment */ |
Bram Moolenaar | 325b7a2 | 2004-07-05 15:58:32 +0000 | [diff] [blame] | 1995 | if (comment_dir |
| 1996 | #ifdef FEAT_LISP |
| 1997 | || lisp |
| 1998 | #endif |
| 1999 | ) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2000 | comment_col = check_linecomment(linep); |
Bram Moolenaar | 325b7a2 | 2004-07-05 15:58:32 +0000 | [diff] [blame] | 2001 | #ifdef FEAT_LISP |
| 2002 | /* skip comment */ |
| 2003 | if (lisp && comment_col != MAXCOL) |
| 2004 | pos.col = comment_col; |
| 2005 | #endif |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2006 | } |
| 2007 | else |
| 2008 | { |
| 2009 | --pos.col; |
| 2010 | #ifdef FEAT_MBYTE |
| 2011 | if (has_mbyte) |
| 2012 | pos.col -= (*mb_head_off)(linep, linep + pos.col); |
| 2013 | #endif |
| 2014 | } |
| 2015 | } |
| 2016 | else /* forward search */ |
| 2017 | { |
Bram Moolenaar | 325b7a2 | 2004-07-05 15:58:32 +0000 | [diff] [blame] | 2018 | if (linep[pos.col] == NUL |
| 2019 | /* at end of line, go to next one */ |
| 2020 | #ifdef FEAT_LISP |
| 2021 | /* don't search for match in comment */ |
| 2022 | || (lisp && comment_col != MAXCOL |
| 2023 | && pos.col == (colnr_T)comment_col) |
| 2024 | #endif |
| 2025 | ) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2026 | { |
Bram Moolenaar | 325b7a2 | 2004-07-05 15:58:32 +0000 | [diff] [blame] | 2027 | if (pos.lnum == curbuf->b_ml.ml_line_count /* end of file */ |
| 2028 | #ifdef FEAT_LISP |
| 2029 | /* line is exhausted and comment with it, |
| 2030 | * don't search for match in code */ |
| 2031 | || lispcomm |
| 2032 | #endif |
| 2033 | ) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2034 | break; |
| 2035 | ++pos.lnum; |
| 2036 | |
| 2037 | if (maxtravel && traveled++ > maxtravel) |
| 2038 | break; |
| 2039 | |
| 2040 | linep = ml_get(pos.lnum); |
| 2041 | pos.col = 0; |
| 2042 | do_quotes = -1; |
| 2043 | line_breakcheck(); |
Bram Moolenaar | 325b7a2 | 2004-07-05 15:58:32 +0000 | [diff] [blame] | 2044 | #ifdef FEAT_LISP |
| 2045 | if (lisp) /* find comment pos in new line */ |
| 2046 | comment_col = check_linecomment(linep); |
| 2047 | #endif |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2048 | } |
| 2049 | else |
| 2050 | { |
| 2051 | #ifdef FEAT_MBYTE |
| 2052 | if (has_mbyte) |
Bram Moolenaar | 0fa313a | 2005-08-10 21:07:57 +0000 | [diff] [blame] | 2053 | pos.col += (*mb_ptr2len)(linep + pos.col); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2054 | else |
| 2055 | #endif |
| 2056 | ++pos.col; |
| 2057 | } |
| 2058 | } |
| 2059 | |
| 2060 | /* |
| 2061 | * If FM_BLOCKSTOP given, stop at a '{' or '}' in column 0. |
| 2062 | */ |
| 2063 | if (pos.col == 0 && (flags & FM_BLOCKSTOP) && |
| 2064 | (linep[0] == '{' || linep[0] == '}')) |
| 2065 | { |
| 2066 | if (linep[0] == findc && count == 0) /* match! */ |
| 2067 | return &pos; |
| 2068 | break; /* out of scope */ |
| 2069 | } |
| 2070 | |
| 2071 | if (comment_dir) |
| 2072 | { |
| 2073 | /* Note: comments do not nest, and we ignore quotes in them */ |
| 2074 | /* TODO: ignore comment brackets inside strings */ |
| 2075 | if (comment_dir == FORWARD) |
| 2076 | { |
| 2077 | if (linep[pos.col] == '*' && linep[pos.col + 1] == '/') |
| 2078 | { |
| 2079 | pos.col++; |
| 2080 | return &pos; |
| 2081 | } |
| 2082 | } |
| 2083 | else /* Searching backwards */ |
| 2084 | { |
| 2085 | /* |
| 2086 | * A comment may contain / * or / /, it may also start or end |
| 2087 | * with / * /. Ignore a / * after / /. |
| 2088 | */ |
| 2089 | if (pos.col == 0) |
| 2090 | continue; |
| 2091 | else if ( linep[pos.col - 1] == '/' |
| 2092 | && linep[pos.col] == '*' |
| 2093 | && (int)pos.col < comment_col) |
| 2094 | { |
| 2095 | count++; |
| 2096 | match_pos = pos; |
| 2097 | match_pos.col--; |
| 2098 | } |
| 2099 | else if (linep[pos.col - 1] == '*' && linep[pos.col] == '/') |
| 2100 | { |
| 2101 | if (count > 0) |
| 2102 | pos = match_pos; |
| 2103 | else if (pos.col > 1 && linep[pos.col - 2] == '/' |
| 2104 | && (int)pos.col <= comment_col) |
| 2105 | pos.col -= 2; |
| 2106 | else if (ignore_cend) |
| 2107 | continue; |
| 2108 | else |
| 2109 | return NULL; |
| 2110 | return &pos; |
| 2111 | } |
| 2112 | } |
| 2113 | continue; |
| 2114 | } |
| 2115 | |
| 2116 | /* |
| 2117 | * If smart matching ('cpoptions' does not contain '%'), braces inside |
| 2118 | * of quotes are ignored, but only if there is an even number of |
| 2119 | * quotes in the line. |
| 2120 | */ |
| 2121 | if (cpo_match) |
| 2122 | do_quotes = 0; |
| 2123 | else if (do_quotes == -1) |
| 2124 | { |
| 2125 | /* |
| 2126 | * Count the number of quotes in the line, skipping \" and '"'. |
| 2127 | * Watch out for "\\". |
| 2128 | */ |
| 2129 | at_start = do_quotes; |
| 2130 | for (ptr = linep; *ptr; ++ptr) |
| 2131 | { |
| 2132 | if (ptr == linep + pos.col + backwards) |
| 2133 | at_start = (do_quotes & 1); |
| 2134 | if (*ptr == '"' |
| 2135 | && (ptr == linep || ptr[-1] != '\'' || ptr[1] != '\'')) |
| 2136 | ++do_quotes; |
| 2137 | if (*ptr == '\\' && ptr[1] != NUL) |
| 2138 | ++ptr; |
| 2139 | } |
| 2140 | do_quotes &= 1; /* result is 1 with even number of quotes */ |
| 2141 | |
| 2142 | /* |
| 2143 | * If we find an uneven count, check current line and previous |
| 2144 | * one for a '\' at the end. |
| 2145 | */ |
| 2146 | if (!do_quotes) |
| 2147 | { |
| 2148 | inquote = FALSE; |
| 2149 | if (ptr[-1] == '\\') |
| 2150 | { |
| 2151 | do_quotes = 1; |
| 2152 | if (start_in_quotes == MAYBE) |
| 2153 | { |
| 2154 | /* Do we need to use at_start here? */ |
| 2155 | inquote = TRUE; |
| 2156 | start_in_quotes = TRUE; |
| 2157 | } |
| 2158 | else if (backwards) |
| 2159 | inquote = TRUE; |
| 2160 | } |
| 2161 | if (pos.lnum > 1) |
| 2162 | { |
| 2163 | ptr = ml_get(pos.lnum - 1); |
| 2164 | if (*ptr && *(ptr + STRLEN(ptr) - 1) == '\\') |
| 2165 | { |
| 2166 | do_quotes = 1; |
| 2167 | if (start_in_quotes == MAYBE) |
| 2168 | { |
| 2169 | inquote = at_start; |
| 2170 | if (inquote) |
| 2171 | start_in_quotes = TRUE; |
| 2172 | } |
| 2173 | else if (!backwards) |
| 2174 | inquote = TRUE; |
| 2175 | } |
Bram Moolenaar | aec1179 | 2007-07-10 11:09:36 +0000 | [diff] [blame] | 2176 | |
| 2177 | /* ml_get() only keeps one line, need to get linep again */ |
| 2178 | linep = ml_get(pos.lnum); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2179 | } |
| 2180 | } |
| 2181 | } |
| 2182 | if (start_in_quotes == MAYBE) |
| 2183 | start_in_quotes = FALSE; |
| 2184 | |
| 2185 | /* |
| 2186 | * If 'smartmatch' is set: |
| 2187 | * Things inside quotes are ignored by setting 'inquote'. If we |
| 2188 | * find a quote without a preceding '\' invert 'inquote'. At the |
| 2189 | * end of a line not ending in '\' we reset 'inquote'. |
| 2190 | * |
| 2191 | * In lines with an uneven number of quotes (without preceding '\') |
| 2192 | * we do not know which part to ignore. Therefore we only set |
| 2193 | * inquote if the number of quotes in a line is even, unless this |
| 2194 | * line or the previous one ends in a '\'. Complicated, isn't it? |
| 2195 | */ |
| 2196 | switch (c = linep[pos.col]) |
| 2197 | { |
| 2198 | case NUL: |
| 2199 | /* at end of line without trailing backslash, reset inquote */ |
| 2200 | if (pos.col == 0 || linep[pos.col - 1] != '\\') |
| 2201 | { |
| 2202 | inquote = FALSE; |
| 2203 | start_in_quotes = FALSE; |
| 2204 | } |
| 2205 | break; |
| 2206 | |
| 2207 | case '"': |
| 2208 | /* a quote that is preceded with an odd number of backslashes is |
| 2209 | * ignored */ |
| 2210 | if (do_quotes) |
| 2211 | { |
| 2212 | int col; |
| 2213 | |
| 2214 | for (col = pos.col - 1; col >= 0; --col) |
| 2215 | if (linep[col] != '\\') |
| 2216 | break; |
| 2217 | if ((((int)pos.col - 1 - col) & 1) == 0) |
| 2218 | { |
| 2219 | inquote = !inquote; |
| 2220 | start_in_quotes = FALSE; |
| 2221 | } |
| 2222 | } |
| 2223 | break; |
| 2224 | |
| 2225 | /* |
| 2226 | * If smart matching ('cpoptions' does not contain '%'): |
| 2227 | * Skip things in single quotes: 'x' or '\x'. Be careful for single |
| 2228 | * single quotes, eg jon's. Things like '\233' or '\x3f' are not |
| 2229 | * skipped, there is never a brace in them. |
| 2230 | * Ignore this when finding matches for `'. |
| 2231 | */ |
| 2232 | case '\'': |
| 2233 | if (!cpo_match && initc != '\'' && findc != '\'') |
| 2234 | { |
| 2235 | if (backwards) |
| 2236 | { |
| 2237 | if (pos.col > 1) |
| 2238 | { |
| 2239 | if (linep[pos.col - 2] == '\'') |
| 2240 | { |
| 2241 | pos.col -= 2; |
| 2242 | break; |
| 2243 | } |
| 2244 | else if (linep[pos.col - 2] == '\\' && |
| 2245 | pos.col > 2 && linep[pos.col - 3] == '\'') |
| 2246 | { |
| 2247 | pos.col -= 3; |
| 2248 | break; |
| 2249 | } |
| 2250 | } |
| 2251 | } |
| 2252 | else if (linep[pos.col + 1]) /* forward search */ |
| 2253 | { |
| 2254 | if (linep[pos.col + 1] == '\\' && |
| 2255 | linep[pos.col + 2] && linep[pos.col + 3] == '\'') |
| 2256 | { |
| 2257 | pos.col += 3; |
| 2258 | break; |
| 2259 | } |
| 2260 | else if (linep[pos.col + 2] == '\'') |
| 2261 | { |
| 2262 | pos.col += 2; |
| 2263 | break; |
| 2264 | } |
| 2265 | } |
| 2266 | } |
| 2267 | /* FALLTHROUGH */ |
| 2268 | |
| 2269 | default: |
| 2270 | #ifdef FEAT_LISP |
Bram Moolenaar | 325b7a2 | 2004-07-05 15:58:32 +0000 | [diff] [blame] | 2271 | /* |
| 2272 | * For Lisp skip over backslashed (), {} and []. |
| 2273 | * (actually, we skip #\( et al) |
| 2274 | */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2275 | if (curbuf->b_p_lisp |
| 2276 | && vim_strchr((char_u *)"(){}[]", c) != NULL |
Bram Moolenaar | 325b7a2 | 2004-07-05 15:58:32 +0000 | [diff] [blame] | 2277 | && pos.col > 1 |
| 2278 | && check_prevcol(linep, pos.col, '\\', NULL) |
| 2279 | && check_prevcol(linep, pos.col - 1, '#', NULL)) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2280 | break; |
| 2281 | #endif |
| 2282 | |
| 2283 | /* Check for match outside of quotes, and inside of |
| 2284 | * quotes when the start is also inside of quotes. */ |
| 2285 | if ((!inquote || start_in_quotes == TRUE) |
| 2286 | && (c == initc || c == findc)) |
| 2287 | { |
| 2288 | int col, bslcnt = 0; |
| 2289 | |
| 2290 | if (!cpo_bsl) |
| 2291 | { |
| 2292 | for (col = pos.col; check_prevcol(linep, col, '\\', &col);) |
| 2293 | bslcnt++; |
| 2294 | } |
| 2295 | /* Only accept a match when 'M' is in 'cpo' or when ecaping is |
| 2296 | * what we expect. */ |
| 2297 | if (cpo_bsl || (bslcnt & 1) == match_escaped) |
| 2298 | { |
| 2299 | if (c == initc) |
| 2300 | count++; |
| 2301 | else |
| 2302 | { |
| 2303 | if (count == 0) |
| 2304 | return &pos; |
| 2305 | count--; |
| 2306 | } |
| 2307 | } |
| 2308 | } |
| 2309 | } |
| 2310 | } |
| 2311 | |
| 2312 | if (comment_dir == BACKWARD && count > 0) |
| 2313 | { |
| 2314 | pos = match_pos; |
| 2315 | return &pos; |
| 2316 | } |
| 2317 | return (pos_T *)NULL; /* never found it */ |
| 2318 | } |
| 2319 | |
| 2320 | /* |
| 2321 | * Check if line[] contains a / / comment. |
| 2322 | * Return MAXCOL if not, otherwise return the column. |
| 2323 | * TODO: skip strings. |
| 2324 | */ |
| 2325 | static int |
| 2326 | check_linecomment(line) |
| 2327 | char_u *line; |
| 2328 | { |
| 2329 | char_u *p; |
| 2330 | |
| 2331 | p = line; |
Bram Moolenaar | 325b7a2 | 2004-07-05 15:58:32 +0000 | [diff] [blame] | 2332 | #ifdef FEAT_LISP |
| 2333 | /* skip Lispish one-line comments */ |
| 2334 | if (curbuf->b_p_lisp) |
| 2335 | { |
| 2336 | if (vim_strchr(p, ';') != NULL) /* there may be comments */ |
| 2337 | { |
| 2338 | int instr = FALSE; /* inside of string */ |
| 2339 | |
| 2340 | p = line; /* scan from start */ |
Bram Moolenaar | 520470a | 2005-06-16 21:59:56 +0000 | [diff] [blame] | 2341 | while ((p = vim_strpbrk(p, (char_u *)"\";")) != NULL) |
Bram Moolenaar | 325b7a2 | 2004-07-05 15:58:32 +0000 | [diff] [blame] | 2342 | { |
| 2343 | if (*p == '"') |
| 2344 | { |
| 2345 | if (instr) |
| 2346 | { |
| 2347 | if (*(p - 1) != '\\') /* skip escaped quote */ |
| 2348 | instr = FALSE; |
| 2349 | } |
| 2350 | else if (p == line || ((p - line) >= 2 |
| 2351 | /* skip #\" form */ |
| 2352 | && *(p - 1) != '\\' && *(p - 2) != '#')) |
| 2353 | instr = TRUE; |
| 2354 | } |
| 2355 | else if (!instr && ((p - line) < 2 |
| 2356 | || (*(p - 1) != '\\' && *(p - 2) != '#'))) |
| 2357 | break; /* found! */ |
| 2358 | ++p; |
| 2359 | } |
| 2360 | } |
| 2361 | else |
| 2362 | p = NULL; |
| 2363 | } |
| 2364 | else |
| 2365 | #endif |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2366 | while ((p = vim_strchr(p, '/')) != NULL) |
| 2367 | { |
Bram Moolenaar | 78d4aba | 2008-01-01 14:43:35 +0000 | [diff] [blame] | 2368 | /* accept a double /, unless it's preceded with * and followed by *, |
| 2369 | * because * / / * is an end and start of a C comment */ |
| 2370 | if (p[1] == '/' && (p == line || p[-1] != '*' || p[2] != '*')) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2371 | break; |
| 2372 | ++p; |
| 2373 | } |
| 2374 | |
| 2375 | if (p == NULL) |
| 2376 | return MAXCOL; |
| 2377 | return (int)(p - line); |
| 2378 | } |
| 2379 | |
| 2380 | /* |
| 2381 | * Move cursor briefly to character matching the one under the cursor. |
| 2382 | * Used for Insert mode and "r" command. |
| 2383 | * Show the match only if it is visible on the screen. |
| 2384 | * If there isn't a match, then beep. |
| 2385 | */ |
| 2386 | void |
| 2387 | showmatch(c) |
| 2388 | int c; /* char to show match for */ |
| 2389 | { |
| 2390 | pos_T *lpos, save_cursor; |
| 2391 | pos_T mpos; |
| 2392 | colnr_T vcol; |
| 2393 | long save_so; |
| 2394 | long save_siso; |
| 2395 | #ifdef CURSOR_SHAPE |
| 2396 | int save_state; |
| 2397 | #endif |
| 2398 | colnr_T save_dollar_vcol; |
| 2399 | char_u *p; |
| 2400 | |
| 2401 | /* |
| 2402 | * Only show match for chars in the 'matchpairs' option. |
| 2403 | */ |
| 2404 | /* 'matchpairs' is "x:y,x:y" */ |
| 2405 | for (p = curbuf->b_p_mps; *p != NUL; p += 2) |
| 2406 | { |
| 2407 | #ifdef FEAT_RIGHTLEFT |
| 2408 | if (*p == c && (curwin->w_p_rl ^ p_ri)) |
| 2409 | break; |
| 2410 | #endif |
| 2411 | p += 2; |
| 2412 | if (*p == c |
| 2413 | #ifdef FEAT_RIGHTLEFT |
| 2414 | && !(curwin->w_p_rl ^ p_ri) |
| 2415 | #endif |
| 2416 | ) |
| 2417 | break; |
| 2418 | if (p[1] != ',') |
| 2419 | return; |
| 2420 | } |
| 2421 | |
| 2422 | if ((lpos = findmatch(NULL, NUL)) == NULL) /* no match, so beep */ |
| 2423 | vim_beep(); |
| 2424 | else if (lpos->lnum >= curwin->w_topline) |
| 2425 | { |
| 2426 | if (!curwin->w_p_wrap) |
| 2427 | getvcol(curwin, lpos, NULL, &vcol, NULL); |
| 2428 | if (curwin->w_p_wrap || (vcol >= curwin->w_leftcol |
| 2429 | && vcol < curwin->w_leftcol + W_WIDTH(curwin))) |
| 2430 | { |
| 2431 | mpos = *lpos; /* save the pos, update_screen() may change it */ |
| 2432 | save_cursor = curwin->w_cursor; |
| 2433 | save_so = p_so; |
| 2434 | save_siso = p_siso; |
| 2435 | /* Handle "$" in 'cpo': If the ')' is typed on top of the "$", |
| 2436 | * stop displaying the "$". */ |
| 2437 | if (dollar_vcol > 0 && dollar_vcol == curwin->w_virtcol) |
| 2438 | dollar_vcol = 0; |
| 2439 | ++curwin->w_virtcol; /* do display ')' just before "$" */ |
| 2440 | update_screen(VALID); /* show the new char first */ |
| 2441 | |
| 2442 | save_dollar_vcol = dollar_vcol; |
| 2443 | #ifdef CURSOR_SHAPE |
| 2444 | save_state = State; |
| 2445 | State = SHOWMATCH; |
| 2446 | ui_cursor_shape(); /* may show different cursor shape */ |
| 2447 | #endif |
| 2448 | curwin->w_cursor = mpos; /* move to matching char */ |
| 2449 | p_so = 0; /* don't use 'scrolloff' here */ |
| 2450 | p_siso = 0; /* don't use 'sidescrolloff' here */ |
| 2451 | showruler(FALSE); |
| 2452 | setcursor(); |
| 2453 | cursor_on(); /* make sure that the cursor is shown */ |
| 2454 | out_flush(); |
| 2455 | #ifdef FEAT_GUI |
| 2456 | if (gui.in_use) |
| 2457 | { |
| 2458 | gui_update_cursor(TRUE, FALSE); |
| 2459 | gui_mch_flush(); |
| 2460 | } |
| 2461 | #endif |
| 2462 | /* Restore dollar_vcol(), because setcursor() may call curs_rows() |
| 2463 | * which resets it if the matching position is in a previous line |
| 2464 | * and has a higher column number. */ |
| 2465 | dollar_vcol = save_dollar_vcol; |
| 2466 | |
| 2467 | /* |
| 2468 | * brief pause, unless 'm' is present in 'cpo' and a character is |
| 2469 | * available. |
| 2470 | */ |
| 2471 | if (vim_strchr(p_cpo, CPO_SHOWMATCH) != NULL) |
| 2472 | ui_delay(p_mat * 100L, TRUE); |
| 2473 | else if (!char_avail()) |
| 2474 | ui_delay(p_mat * 100L, FALSE); |
| 2475 | curwin->w_cursor = save_cursor; /* restore cursor position */ |
| 2476 | p_so = save_so; |
| 2477 | p_siso = save_siso; |
| 2478 | #ifdef CURSOR_SHAPE |
| 2479 | State = save_state; |
| 2480 | ui_cursor_shape(); /* may show different cursor shape */ |
| 2481 | #endif |
| 2482 | } |
| 2483 | } |
| 2484 | } |
| 2485 | |
| 2486 | /* |
| 2487 | * findsent(dir, count) - Find the start of the next sentence in direction |
Bram Moolenaar | ebefac6 | 2005-12-28 22:39:57 +0000 | [diff] [blame] | 2488 | * "dir" Sentences are supposed to end in ".", "!" or "?" followed by white |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2489 | * space or a line break. Also stop at an empty line. |
| 2490 | * Return OK if the next sentence was found. |
| 2491 | */ |
| 2492 | int |
| 2493 | findsent(dir, count) |
| 2494 | int dir; |
| 2495 | long count; |
| 2496 | { |
| 2497 | pos_T pos, tpos; |
| 2498 | int c; |
| 2499 | int (*func) __ARGS((pos_T *)); |
| 2500 | int startlnum; |
| 2501 | int noskip = FALSE; /* do not skip blanks */ |
| 2502 | int cpo_J; |
Bram Moolenaar | def9e82 | 2004-12-31 20:58:58 +0000 | [diff] [blame] | 2503 | int found_dot; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2504 | |
| 2505 | pos = curwin->w_cursor; |
| 2506 | if (dir == FORWARD) |
| 2507 | func = incl; |
| 2508 | else |
| 2509 | func = decl; |
| 2510 | |
| 2511 | while (count--) |
| 2512 | { |
| 2513 | /* |
| 2514 | * if on an empty line, skip upto a non-empty line |
| 2515 | */ |
| 2516 | if (gchar_pos(&pos) == NUL) |
| 2517 | { |
| 2518 | do |
| 2519 | if ((*func)(&pos) == -1) |
| 2520 | break; |
| 2521 | while (gchar_pos(&pos) == NUL); |
| 2522 | if (dir == FORWARD) |
| 2523 | goto found; |
| 2524 | } |
| 2525 | /* |
| 2526 | * if on the start of a paragraph or a section and searching forward, |
| 2527 | * go to the next line |
| 2528 | */ |
| 2529 | else if (dir == FORWARD && pos.col == 0 && |
| 2530 | startPS(pos.lnum, NUL, FALSE)) |
| 2531 | { |
| 2532 | if (pos.lnum == curbuf->b_ml.ml_line_count) |
| 2533 | return FAIL; |
| 2534 | ++pos.lnum; |
| 2535 | goto found; |
| 2536 | } |
| 2537 | else if (dir == BACKWARD) |
| 2538 | decl(&pos); |
| 2539 | |
| 2540 | /* go back to the previous non-blank char */ |
Bram Moolenaar | def9e82 | 2004-12-31 20:58:58 +0000 | [diff] [blame] | 2541 | found_dot = FALSE; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2542 | while ((c = gchar_pos(&pos)) == ' ' || c == '\t' || |
| 2543 | (dir == BACKWARD && vim_strchr((char_u *)".!?)]\"'", c) != NULL)) |
| 2544 | { |
Bram Moolenaar | def9e82 | 2004-12-31 20:58:58 +0000 | [diff] [blame] | 2545 | if (vim_strchr((char_u *)".!?", c) != NULL) |
| 2546 | { |
| 2547 | /* Only skip over a '.', '!' and '?' once. */ |
| 2548 | if (found_dot) |
| 2549 | break; |
| 2550 | found_dot = TRUE; |
| 2551 | } |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2552 | if (decl(&pos) == -1) |
| 2553 | break; |
| 2554 | /* when going forward: Stop in front of empty line */ |
| 2555 | if (lineempty(pos.lnum) && dir == FORWARD) |
| 2556 | { |
| 2557 | incl(&pos); |
| 2558 | goto found; |
| 2559 | } |
| 2560 | } |
| 2561 | |
| 2562 | /* remember the line where the search started */ |
| 2563 | startlnum = pos.lnum; |
| 2564 | cpo_J = vim_strchr(p_cpo, CPO_ENDOFSENT) != NULL; |
| 2565 | |
| 2566 | for (;;) /* find end of sentence */ |
| 2567 | { |
| 2568 | c = gchar_pos(&pos); |
| 2569 | if (c == NUL || (pos.col == 0 && startPS(pos.lnum, NUL, FALSE))) |
| 2570 | { |
| 2571 | if (dir == BACKWARD && pos.lnum != startlnum) |
| 2572 | ++pos.lnum; |
| 2573 | break; |
| 2574 | } |
| 2575 | if (c == '.' || c == '!' || c == '?') |
| 2576 | { |
| 2577 | tpos = pos; |
| 2578 | do |
| 2579 | if ((c = inc(&tpos)) == -1) |
| 2580 | break; |
| 2581 | while (vim_strchr((char_u *)")]\"'", c = gchar_pos(&tpos)) |
| 2582 | != NULL); |
| 2583 | if (c == -1 || (!cpo_J && (c == ' ' || c == '\t')) || c == NUL |
| 2584 | || (cpo_J && (c == ' ' && inc(&tpos) >= 0 |
| 2585 | && gchar_pos(&tpos) == ' '))) |
| 2586 | { |
| 2587 | pos = tpos; |
| 2588 | if (gchar_pos(&pos) == NUL) /* skip NUL at EOL */ |
| 2589 | inc(&pos); |
| 2590 | break; |
| 2591 | } |
| 2592 | } |
| 2593 | if ((*func)(&pos) == -1) |
| 2594 | { |
| 2595 | if (count) |
| 2596 | return FAIL; |
| 2597 | noskip = TRUE; |
| 2598 | break; |
| 2599 | } |
| 2600 | } |
| 2601 | found: |
| 2602 | /* skip white space */ |
| 2603 | while (!noskip && ((c = gchar_pos(&pos)) == ' ' || c == '\t')) |
| 2604 | if (incl(&pos) == -1) |
| 2605 | break; |
| 2606 | } |
| 2607 | |
| 2608 | setpcmark(); |
| 2609 | curwin->w_cursor = pos; |
| 2610 | return OK; |
| 2611 | } |
| 2612 | |
| 2613 | /* |
Bram Moolenaar | 4399ef4 | 2005-02-12 14:29:27 +0000 | [diff] [blame] | 2614 | * Find the next paragraph or section in direction 'dir'. |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2615 | * Paragraphs are currently supposed to be separated by empty lines. |
Bram Moolenaar | 4399ef4 | 2005-02-12 14:29:27 +0000 | [diff] [blame] | 2616 | * If 'what' is NUL we go to the next paragraph. |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2617 | * If 'what' is '{' or '}' we go to the next section. |
| 2618 | * If 'both' is TRUE also stop at '}'. |
Bram Moolenaar | 4399ef4 | 2005-02-12 14:29:27 +0000 | [diff] [blame] | 2619 | * Return TRUE if the next paragraph or section was found. |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2620 | */ |
| 2621 | int |
Bram Moolenaar | 92d640f | 2005-09-05 22:11:52 +0000 | [diff] [blame] | 2622 | findpar(pincl, dir, count, what, both) |
| 2623 | int *pincl; /* Return: TRUE if last char is to be included */ |
| 2624 | int dir; |
| 2625 | long count; |
| 2626 | int what; |
| 2627 | int both; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2628 | { |
| 2629 | linenr_T curr; |
| 2630 | int did_skip; /* TRUE after separating lines have been skipped */ |
| 2631 | int first; /* TRUE on first line */ |
Bram Moolenaar | 4399ef4 | 2005-02-12 14:29:27 +0000 | [diff] [blame] | 2632 | int posix = (vim_strchr(p_cpo, CPO_PARA) != NULL); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2633 | #ifdef FEAT_FOLDING |
| 2634 | linenr_T fold_first; /* first line of a closed fold */ |
| 2635 | linenr_T fold_last; /* last line of a closed fold */ |
| 2636 | int fold_skipped; /* TRUE if a closed fold was skipped this |
| 2637 | iteration */ |
| 2638 | #endif |
| 2639 | |
| 2640 | curr = curwin->w_cursor.lnum; |
| 2641 | |
| 2642 | while (count--) |
| 2643 | { |
| 2644 | did_skip = FALSE; |
| 2645 | for (first = TRUE; ; first = FALSE) |
| 2646 | { |
| 2647 | if (*ml_get(curr) != NUL) |
| 2648 | did_skip = TRUE; |
| 2649 | |
| 2650 | #ifdef FEAT_FOLDING |
| 2651 | /* skip folded lines */ |
| 2652 | fold_skipped = FALSE; |
| 2653 | if (first && hasFolding(curr, &fold_first, &fold_last)) |
| 2654 | { |
| 2655 | curr = ((dir > 0) ? fold_last : fold_first) + dir; |
| 2656 | fold_skipped = TRUE; |
| 2657 | } |
| 2658 | #endif |
| 2659 | |
Bram Moolenaar | 4399ef4 | 2005-02-12 14:29:27 +0000 | [diff] [blame] | 2660 | /* POSIX has it's own ideas of what a paragraph boundary is and it |
| 2661 | * doesn't match historical Vi: It also stops at a "{" in the |
| 2662 | * first column and at an empty line. */ |
| 2663 | if (!first && did_skip && (startPS(curr, what, both) |
| 2664 | || (posix && what == NUL && *ml_get(curr) == '{'))) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2665 | break; |
| 2666 | |
| 2667 | #ifdef FEAT_FOLDING |
| 2668 | if (fold_skipped) |
| 2669 | curr -= dir; |
| 2670 | #endif |
| 2671 | if ((curr += dir) < 1 || curr > curbuf->b_ml.ml_line_count) |
| 2672 | { |
| 2673 | if (count) |
| 2674 | return FALSE; |
| 2675 | curr -= dir; |
| 2676 | break; |
| 2677 | } |
| 2678 | } |
| 2679 | } |
| 2680 | setpcmark(); |
| 2681 | if (both && *ml_get(curr) == '}') /* include line with '}' */ |
| 2682 | ++curr; |
| 2683 | curwin->w_cursor.lnum = curr; |
| 2684 | if (curr == curbuf->b_ml.ml_line_count && what != '}') |
| 2685 | { |
| 2686 | if ((curwin->w_cursor.col = (colnr_T)STRLEN(ml_get(curr))) != 0) |
| 2687 | { |
| 2688 | --curwin->w_cursor.col; |
Bram Moolenaar | 92d640f | 2005-09-05 22:11:52 +0000 | [diff] [blame] | 2689 | *pincl = TRUE; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2690 | } |
| 2691 | } |
| 2692 | else |
| 2693 | curwin->w_cursor.col = 0; |
| 2694 | return TRUE; |
| 2695 | } |
| 2696 | |
| 2697 | /* |
| 2698 | * check if the string 's' is a nroff macro that is in option 'opt' |
| 2699 | */ |
| 2700 | static int |
| 2701 | inmacro(opt, s) |
| 2702 | char_u *opt; |
| 2703 | char_u *s; |
| 2704 | { |
| 2705 | char_u *macro; |
| 2706 | |
| 2707 | for (macro = opt; macro[0]; ++macro) |
| 2708 | { |
| 2709 | /* Accept two characters in the option being equal to two characters |
| 2710 | * in the line. A space in the option matches with a space in the |
| 2711 | * line or the line having ended. */ |
| 2712 | if ( (macro[0] == s[0] |
| 2713 | || (macro[0] == ' ' |
| 2714 | && (s[0] == NUL || s[0] == ' '))) |
| 2715 | && (macro[1] == s[1] |
| 2716 | || ((macro[1] == NUL || macro[1] == ' ') |
| 2717 | && (s[0] == NUL || s[1] == NUL || s[1] == ' ')))) |
| 2718 | break; |
| 2719 | ++macro; |
| 2720 | if (macro[0] == NUL) |
| 2721 | break; |
| 2722 | } |
| 2723 | return (macro[0] != NUL); |
| 2724 | } |
| 2725 | |
| 2726 | /* |
| 2727 | * startPS: return TRUE if line 'lnum' is the start of a section or paragraph. |
| 2728 | * If 'para' is '{' or '}' only check for sections. |
| 2729 | * If 'both' is TRUE also stop at '}' |
| 2730 | */ |
| 2731 | int |
| 2732 | startPS(lnum, para, both) |
| 2733 | linenr_T lnum; |
| 2734 | int para; |
| 2735 | int both; |
| 2736 | { |
| 2737 | char_u *s; |
| 2738 | |
| 2739 | s = ml_get(lnum); |
| 2740 | if (*s == para || *s == '\f' || (both && *s == '}')) |
| 2741 | return TRUE; |
| 2742 | if (*s == '.' && (inmacro(p_sections, s + 1) || |
| 2743 | (!para && inmacro(p_para, s + 1)))) |
| 2744 | return TRUE; |
| 2745 | return FALSE; |
| 2746 | } |
| 2747 | |
| 2748 | /* |
| 2749 | * The following routines do the word searches performed by the 'w', 'W', |
| 2750 | * 'b', 'B', 'e', and 'E' commands. |
| 2751 | */ |
| 2752 | |
| 2753 | /* |
| 2754 | * To perform these searches, characters are placed into one of three |
| 2755 | * classes, and transitions between classes determine word boundaries. |
| 2756 | * |
| 2757 | * The classes are: |
| 2758 | * |
| 2759 | * 0 - white space |
| 2760 | * 1 - punctuation |
| 2761 | * 2 or higher - keyword characters (letters, digits and underscore) |
| 2762 | */ |
| 2763 | |
| 2764 | static int cls_bigword; /* TRUE for "W", "B" or "E" */ |
| 2765 | |
| 2766 | /* |
| 2767 | * cls() - returns the class of character at curwin->w_cursor |
| 2768 | * |
| 2769 | * If a 'W', 'B', or 'E' motion is being done (cls_bigword == TRUE), chars |
| 2770 | * from class 2 and higher are reported as class 1 since only white space |
| 2771 | * boundaries are of interest. |
| 2772 | */ |
| 2773 | static int |
| 2774 | cls() |
| 2775 | { |
| 2776 | int c; |
| 2777 | |
| 2778 | c = gchar_cursor(); |
| 2779 | #ifdef FEAT_FKMAP /* when 'akm' (Farsi mode), take care of Farsi blank */ |
| 2780 | if (p_altkeymap && c == F_BLANK) |
| 2781 | return 0; |
| 2782 | #endif |
| 2783 | if (c == ' ' || c == '\t' || c == NUL) |
| 2784 | return 0; |
| 2785 | #ifdef FEAT_MBYTE |
| 2786 | if (enc_dbcs != 0 && c > 0xFF) |
| 2787 | { |
| 2788 | /* If cls_bigword, report multi-byte chars as class 1. */ |
| 2789 | if (enc_dbcs == DBCS_KOR && cls_bigword) |
| 2790 | return 1; |
| 2791 | |
| 2792 | /* process code leading/trailing bytes */ |
| 2793 | return dbcs_class(((unsigned)c >> 8), (c & 0xFF)); |
| 2794 | } |
| 2795 | if (enc_utf8) |
| 2796 | { |
| 2797 | c = utf_class(c); |
| 2798 | if (c != 0 && cls_bigword) |
| 2799 | return 1; |
| 2800 | return c; |
| 2801 | } |
| 2802 | #endif |
| 2803 | |
| 2804 | /* If cls_bigword is TRUE, report all non-blanks as class 1. */ |
| 2805 | if (cls_bigword) |
| 2806 | return 1; |
| 2807 | |
| 2808 | if (vim_iswordc(c)) |
| 2809 | return 2; |
| 2810 | return 1; |
| 2811 | } |
| 2812 | |
| 2813 | |
| 2814 | /* |
| 2815 | * fwd_word(count, type, eol) - move forward one word |
| 2816 | * |
| 2817 | * Returns FAIL if the cursor was already at the end of the file. |
| 2818 | * If eol is TRUE, last word stops at end of line (for operators). |
| 2819 | */ |
| 2820 | int |
| 2821 | fwd_word(count, bigword, eol) |
| 2822 | long count; |
| 2823 | int bigword; /* "W", "E" or "B" */ |
| 2824 | int eol; |
| 2825 | { |
| 2826 | int sclass; /* starting class */ |
| 2827 | int i; |
| 2828 | int last_line; |
| 2829 | |
| 2830 | #ifdef FEAT_VIRTUALEDIT |
| 2831 | curwin->w_cursor.coladd = 0; |
| 2832 | #endif |
| 2833 | cls_bigword = bigword; |
| 2834 | while (--count >= 0) |
| 2835 | { |
| 2836 | #ifdef FEAT_FOLDING |
| 2837 | /* When inside a range of folded lines, move to the last char of the |
| 2838 | * last line. */ |
| 2839 | if (hasFolding(curwin->w_cursor.lnum, NULL, &curwin->w_cursor.lnum)) |
| 2840 | coladvance((colnr_T)MAXCOL); |
| 2841 | #endif |
| 2842 | sclass = cls(); |
| 2843 | |
| 2844 | /* |
| 2845 | * We always move at least one character, unless on the last |
| 2846 | * character in the buffer. |
| 2847 | */ |
| 2848 | last_line = (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count); |
| 2849 | i = inc_cursor(); |
| 2850 | if (i == -1 || (i >= 1 && last_line)) /* started at last char in file */ |
| 2851 | return FAIL; |
Bram Moolenaar | 9a14979 | 2007-07-10 10:38:02 +0000 | [diff] [blame] | 2852 | if (i >= 1 && eol && count == 0) /* started at last char in line */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 2853 | return OK; |
| 2854 | |
| 2855 | /* |
| 2856 | * Go one char past end of current word (if any) |
| 2857 | */ |
| 2858 | if (sclass != 0) |
| 2859 | while (cls() == sclass) |
| 2860 | { |
| 2861 | i = inc_cursor(); |
| 2862 | if (i == -1 || (i >= 1 && eol && count == 0)) |
| 2863 | return OK; |
| 2864 | } |
| 2865 | |
| 2866 | /* |
| 2867 | * go to next non-white |
| 2868 | */ |
| 2869 | while (cls() == 0) |
| 2870 | { |
| 2871 | /* |
| 2872 | * We'll stop if we land on a blank line |
| 2873 | */ |
| 2874 | if (curwin->w_cursor.col == 0 && *ml_get_curline() == NUL) |
| 2875 | break; |
| 2876 | |
| 2877 | i = inc_cursor(); |
| 2878 | if (i == -1 || (i >= 1 && eol && count == 0)) |
| 2879 | return OK; |
| 2880 | } |
| 2881 | } |
| 2882 | return OK; |
| 2883 | } |
| 2884 | |
| 2885 | /* |
| 2886 | * bck_word() - move backward 'count' words |
| 2887 | * |
| 2888 | * If stop is TRUE and we are already on the start of a word, move one less. |
| 2889 | * |
| 2890 | * Returns FAIL if top of the file was reached. |
| 2891 | */ |
| 2892 | int |
| 2893 | bck_word(count, bigword, stop) |
| 2894 | long count; |
| 2895 | int bigword; |
| 2896 | int stop; |
| 2897 | { |
| 2898 | int sclass; /* starting class */ |
| 2899 | |
| 2900 | #ifdef FEAT_VIRTUALEDIT |
| 2901 | curwin->w_cursor.coladd = 0; |
| 2902 | #endif |
| 2903 | cls_bigword = bigword; |
| 2904 | while (--count >= 0) |
| 2905 | { |
| 2906 | #ifdef FEAT_FOLDING |
| 2907 | /* When inside a range of folded lines, move to the first char of the |
| 2908 | * first line. */ |
| 2909 | if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum, NULL)) |
| 2910 | curwin->w_cursor.col = 0; |
| 2911 | #endif |
| 2912 | sclass = cls(); |
| 2913 | if (dec_cursor() == -1) /* started at start of file */ |
| 2914 | return FAIL; |
| 2915 | |
| 2916 | if (!stop || sclass == cls() || sclass == 0) |
| 2917 | { |
| 2918 | /* |
| 2919 | * Skip white space before the word. |
| 2920 | * Stop on an empty line. |
| 2921 | */ |
| 2922 | while (cls() == 0) |
| 2923 | { |
| 2924 | if (curwin->w_cursor.col == 0 |
| 2925 | && lineempty(curwin->w_cursor.lnum)) |
| 2926 | goto finished; |
| 2927 | if (dec_cursor() == -1) /* hit start of file, stop here */ |
| 2928 | return OK; |
| 2929 | } |
| 2930 | |
| 2931 | /* |
| 2932 | * Move backward to start of this word. |
| 2933 | */ |
| 2934 | if (skip_chars(cls(), BACKWARD)) |
| 2935 | return OK; |
| 2936 | } |
| 2937 | |
| 2938 | inc_cursor(); /* overshot - forward one */ |
| 2939 | finished: |
| 2940 | stop = FALSE; |
| 2941 | } |
| 2942 | return OK; |
| 2943 | } |
| 2944 | |
| 2945 | /* |
| 2946 | * end_word() - move to the end of the word |
| 2947 | * |
| 2948 | * There is an apparent bug in the 'e' motion of the real vi. At least on the |
| 2949 | * System V Release 3 version for the 80386. Unlike 'b' and 'w', the 'e' |
| 2950 | * motion crosses blank lines. When the real vi crosses a blank line in an |
| 2951 | * 'e' motion, the cursor is placed on the FIRST character of the next |
| 2952 | * non-blank line. The 'E' command, however, works correctly. Since this |
| 2953 | * appears to be a bug, I have not duplicated it here. |
| 2954 | * |
| 2955 | * Returns FAIL if end of the file was reached. |
| 2956 | * |
| 2957 | * If stop is TRUE and we are already on the end of a word, move one less. |
| 2958 | * If empty is TRUE stop on an empty line. |
| 2959 | */ |
| 2960 | int |
| 2961 | end_word(count, bigword, stop, empty) |
| 2962 | long count; |
| 2963 | int bigword; |
| 2964 | int stop; |
| 2965 | int empty; |
| 2966 | { |
| 2967 | int sclass; /* starting class */ |
| 2968 | |
| 2969 | #ifdef FEAT_VIRTUALEDIT |
| 2970 | curwin->w_cursor.coladd = 0; |
| 2971 | #endif |
| 2972 | cls_bigword = bigword; |
| 2973 | while (--count >= 0) |
| 2974 | { |
| 2975 | #ifdef FEAT_FOLDING |
| 2976 | /* When inside a range of folded lines, move to the last char of the |
| 2977 | * last line. */ |
| 2978 | if (hasFolding(curwin->w_cursor.lnum, NULL, &curwin->w_cursor.lnum)) |
| 2979 | coladvance((colnr_T)MAXCOL); |
| 2980 | #endif |
| 2981 | sclass = cls(); |
| 2982 | if (inc_cursor() == -1) |
| 2983 | return FAIL; |
| 2984 | |
| 2985 | /* |
| 2986 | * If we're in the middle of a word, we just have to move to the end |
| 2987 | * of it. |
| 2988 | */ |
| 2989 | if (cls() == sclass && sclass != 0) |
| 2990 | { |
| 2991 | /* |
| 2992 | * Move forward to end of the current word |
| 2993 | */ |
| 2994 | if (skip_chars(sclass, FORWARD)) |
| 2995 | return FAIL; |
| 2996 | } |
| 2997 | else if (!stop || sclass == 0) |
| 2998 | { |
| 2999 | /* |
| 3000 | * We were at the end of a word. Go to the end of the next word. |
| 3001 | * First skip white space, if 'empty' is TRUE, stop at empty line. |
| 3002 | */ |
| 3003 | while (cls() == 0) |
| 3004 | { |
| 3005 | if (empty && curwin->w_cursor.col == 0 |
| 3006 | && lineempty(curwin->w_cursor.lnum)) |
| 3007 | goto finished; |
| 3008 | if (inc_cursor() == -1) /* hit end of file, stop here */ |
| 3009 | return FAIL; |
| 3010 | } |
| 3011 | |
| 3012 | /* |
| 3013 | * Move forward to the end of this word. |
| 3014 | */ |
| 3015 | if (skip_chars(cls(), FORWARD)) |
| 3016 | return FAIL; |
| 3017 | } |
| 3018 | dec_cursor(); /* overshot - one char backward */ |
| 3019 | finished: |
| 3020 | stop = FALSE; /* we move only one word less */ |
| 3021 | } |
| 3022 | return OK; |
| 3023 | } |
| 3024 | |
| 3025 | /* |
| 3026 | * Move back to the end of the word. |
| 3027 | * |
| 3028 | * Returns FAIL if start of the file was reached. |
| 3029 | */ |
| 3030 | int |
| 3031 | bckend_word(count, bigword, eol) |
| 3032 | long count; |
| 3033 | int bigword; /* TRUE for "B" */ |
| 3034 | int eol; /* TRUE: stop at end of line. */ |
| 3035 | { |
| 3036 | int sclass; /* starting class */ |
| 3037 | int i; |
| 3038 | |
| 3039 | #ifdef FEAT_VIRTUALEDIT |
| 3040 | curwin->w_cursor.coladd = 0; |
| 3041 | #endif |
| 3042 | cls_bigword = bigword; |
| 3043 | while (--count >= 0) |
| 3044 | { |
| 3045 | sclass = cls(); |
| 3046 | if ((i = dec_cursor()) == -1) |
| 3047 | return FAIL; |
| 3048 | if (eol && i == 1) |
| 3049 | return OK; |
| 3050 | |
| 3051 | /* |
| 3052 | * Move backward to before the start of this word. |
| 3053 | */ |
| 3054 | if (sclass != 0) |
| 3055 | { |
| 3056 | while (cls() == sclass) |
| 3057 | if ((i = dec_cursor()) == -1 || (eol && i == 1)) |
| 3058 | return OK; |
| 3059 | } |
| 3060 | |
| 3061 | /* |
| 3062 | * Move backward to end of the previous word |
| 3063 | */ |
| 3064 | while (cls() == 0) |
| 3065 | { |
| 3066 | if (curwin->w_cursor.col == 0 && lineempty(curwin->w_cursor.lnum)) |
| 3067 | break; |
| 3068 | if ((i = dec_cursor()) == -1 || (eol && i == 1)) |
| 3069 | return OK; |
| 3070 | } |
| 3071 | } |
| 3072 | return OK; |
| 3073 | } |
| 3074 | |
| 3075 | /* |
| 3076 | * Skip a row of characters of the same class. |
| 3077 | * Return TRUE when end-of-file reached, FALSE otherwise. |
| 3078 | */ |
| 3079 | static int |
| 3080 | skip_chars(cclass, dir) |
| 3081 | int cclass; |
| 3082 | int dir; |
| 3083 | { |
| 3084 | while (cls() == cclass) |
| 3085 | if ((dir == FORWARD ? inc_cursor() : dec_cursor()) == -1) |
| 3086 | return TRUE; |
| 3087 | return FALSE; |
| 3088 | } |
| 3089 | |
| 3090 | #ifdef FEAT_TEXTOBJ |
| 3091 | /* |
| 3092 | * Go back to the start of the word or the start of white space |
| 3093 | */ |
| 3094 | static void |
| 3095 | back_in_line() |
| 3096 | { |
| 3097 | int sclass; /* starting class */ |
| 3098 | |
| 3099 | sclass = cls(); |
| 3100 | for (;;) |
| 3101 | { |
| 3102 | if (curwin->w_cursor.col == 0) /* stop at start of line */ |
| 3103 | break; |
| 3104 | dec_cursor(); |
| 3105 | if (cls() != sclass) /* stop at start of word */ |
| 3106 | { |
| 3107 | inc_cursor(); |
| 3108 | break; |
| 3109 | } |
| 3110 | } |
| 3111 | } |
| 3112 | |
| 3113 | static void |
| 3114 | find_first_blank(posp) |
| 3115 | pos_T *posp; |
| 3116 | { |
| 3117 | int c; |
| 3118 | |
| 3119 | while (decl(posp) != -1) |
| 3120 | { |
| 3121 | c = gchar_pos(posp); |
| 3122 | if (!vim_iswhite(c)) |
| 3123 | { |
| 3124 | incl(posp); |
| 3125 | break; |
| 3126 | } |
| 3127 | } |
| 3128 | } |
| 3129 | |
| 3130 | /* |
| 3131 | * Skip count/2 sentences and count/2 separating white spaces. |
| 3132 | */ |
| 3133 | static void |
| 3134 | findsent_forward(count, at_start_sent) |
| 3135 | long count; |
| 3136 | int at_start_sent; /* cursor is at start of sentence */ |
| 3137 | { |
| 3138 | while (count--) |
| 3139 | { |
| 3140 | findsent(FORWARD, 1L); |
| 3141 | if (at_start_sent) |
| 3142 | find_first_blank(&curwin->w_cursor); |
| 3143 | if (count == 0 || at_start_sent) |
| 3144 | decl(&curwin->w_cursor); |
| 3145 | at_start_sent = !at_start_sent; |
| 3146 | } |
| 3147 | } |
| 3148 | |
| 3149 | /* |
| 3150 | * Find word under cursor, cursor at end. |
| 3151 | * Used while an operator is pending, and in Visual mode. |
| 3152 | */ |
| 3153 | int |
| 3154 | current_word(oap, count, include, bigword) |
| 3155 | oparg_T *oap; |
| 3156 | long count; |
| 3157 | int include; /* TRUE: include word and white space */ |
| 3158 | int bigword; /* FALSE == word, TRUE == WORD */ |
| 3159 | { |
| 3160 | pos_T start_pos; |
| 3161 | pos_T pos; |
| 3162 | int inclusive = TRUE; |
| 3163 | int include_white = FALSE; |
| 3164 | |
| 3165 | cls_bigword = bigword; |
Bram Moolenaar | fd2ac76 | 2006-03-01 22:09:21 +0000 | [diff] [blame] | 3166 | clearpos(&start_pos); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3167 | |
| 3168 | #ifdef FEAT_VISUAL |
| 3169 | /* Correct cursor when 'selection' is exclusive */ |
| 3170 | if (VIsual_active && *p_sel == 'e' && lt(VIsual, curwin->w_cursor)) |
| 3171 | dec_cursor(); |
| 3172 | |
| 3173 | /* |
| 3174 | * When Visual mode is not active, or when the VIsual area is only one |
| 3175 | * character, select the word and/or white space under the cursor. |
| 3176 | */ |
| 3177 | if (!VIsual_active || equalpos(curwin->w_cursor, VIsual)) |
| 3178 | #endif |
| 3179 | { |
| 3180 | /* |
| 3181 | * Go to start of current word or white space. |
| 3182 | */ |
| 3183 | back_in_line(); |
| 3184 | start_pos = curwin->w_cursor; |
| 3185 | |
| 3186 | /* |
| 3187 | * If the start is on white space, and white space should be included |
| 3188 | * (" word"), or start is not on white space, and white space should |
| 3189 | * not be included ("word"), find end of word. |
| 3190 | */ |
| 3191 | if ((cls() == 0) == include) |
| 3192 | { |
| 3193 | if (end_word(1L, bigword, TRUE, TRUE) == FAIL) |
| 3194 | return FAIL; |
| 3195 | } |
| 3196 | else |
| 3197 | { |
| 3198 | /* |
| 3199 | * If the start is not on white space, and white space should be |
| 3200 | * included ("word "), or start is on white space and white |
| 3201 | * space should not be included (" "), find start of word. |
| 3202 | * If we end up in the first column of the next line (single char |
| 3203 | * word) back up to end of the line. |
| 3204 | */ |
| 3205 | fwd_word(1L, bigword, TRUE); |
| 3206 | if (curwin->w_cursor.col == 0) |
| 3207 | decl(&curwin->w_cursor); |
| 3208 | else |
| 3209 | oneleft(); |
| 3210 | |
| 3211 | if (include) |
| 3212 | include_white = TRUE; |
| 3213 | } |
| 3214 | |
| 3215 | #ifdef FEAT_VISUAL |
| 3216 | if (VIsual_active) |
| 3217 | { |
| 3218 | /* should do something when inclusive == FALSE ! */ |
| 3219 | VIsual = start_pos; |
| 3220 | redraw_curbuf_later(INVERTED); /* update the inversion */ |
| 3221 | } |
| 3222 | else |
| 3223 | #endif |
| 3224 | { |
| 3225 | oap->start = start_pos; |
| 3226 | oap->motion_type = MCHAR; |
| 3227 | } |
| 3228 | --count; |
| 3229 | } |
| 3230 | |
| 3231 | /* |
| 3232 | * When count is still > 0, extend with more objects. |
| 3233 | */ |
| 3234 | while (count > 0) |
| 3235 | { |
| 3236 | inclusive = TRUE; |
| 3237 | #ifdef FEAT_VISUAL |
| 3238 | if (VIsual_active && lt(curwin->w_cursor, VIsual)) |
| 3239 | { |
| 3240 | /* |
| 3241 | * In Visual mode, with cursor at start: move cursor back. |
| 3242 | */ |
| 3243 | if (decl(&curwin->w_cursor) == -1) |
| 3244 | return FAIL; |
| 3245 | if (include != (cls() != 0)) |
| 3246 | { |
| 3247 | if (bck_word(1L, bigword, TRUE) == FAIL) |
| 3248 | return FAIL; |
| 3249 | } |
| 3250 | else |
| 3251 | { |
| 3252 | if (bckend_word(1L, bigword, TRUE) == FAIL) |
| 3253 | return FAIL; |
| 3254 | (void)incl(&curwin->w_cursor); |
| 3255 | } |
| 3256 | } |
| 3257 | else |
| 3258 | #endif |
| 3259 | { |
| 3260 | /* |
| 3261 | * Move cursor forward one word and/or white area. |
| 3262 | */ |
| 3263 | if (incl(&curwin->w_cursor) == -1) |
| 3264 | return FAIL; |
| 3265 | if (include != (cls() == 0)) |
| 3266 | { |
Bram Moolenaar | 2a41f3a | 2005-01-11 21:30:59 +0000 | [diff] [blame] | 3267 | if (fwd_word(1L, bigword, TRUE) == FAIL && count > 1) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3268 | return FAIL; |
| 3269 | /* |
| 3270 | * If end is just past a new-line, we don't want to include |
Bram Moolenaar | 2a41f3a | 2005-01-11 21:30:59 +0000 | [diff] [blame] | 3271 | * the first character on the line. |
| 3272 | * Put cursor on last char of white. |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3273 | */ |
Bram Moolenaar | 2a41f3a | 2005-01-11 21:30:59 +0000 | [diff] [blame] | 3274 | if (oneleft() == FAIL) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3275 | inclusive = FALSE; |
| 3276 | } |
| 3277 | else |
| 3278 | { |
| 3279 | if (end_word(1L, bigword, TRUE, TRUE) == FAIL) |
| 3280 | return FAIL; |
| 3281 | } |
| 3282 | } |
| 3283 | --count; |
| 3284 | } |
| 3285 | |
Bram Moolenaar | 69a7cb4 | 2004-06-20 12:51:53 +0000 | [diff] [blame] | 3286 | if (include_white && (cls() != 0 |
| 3287 | || (curwin->w_cursor.col == 0 && !inclusive))) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3288 | { |
| 3289 | /* |
| 3290 | * If we don't include white space at the end, move the start |
| 3291 | * to include some white space there. This makes "daw" work |
| 3292 | * better on the last word in a sentence (and "2daw" on last-but-one |
Bram Moolenaar | 69a7cb4 | 2004-06-20 12:51:53 +0000 | [diff] [blame] | 3293 | * word). Also when "2daw" deletes "word." at the end of the line |
| 3294 | * (cursor is at start of next line). |
| 3295 | * But don't delete white space at start of line (indent). |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3296 | */ |
| 3297 | pos = curwin->w_cursor; /* save cursor position */ |
| 3298 | curwin->w_cursor = start_pos; |
| 3299 | if (oneleft() == OK) |
| 3300 | { |
| 3301 | back_in_line(); |
| 3302 | if (cls() == 0 && curwin->w_cursor.col > 0) |
| 3303 | { |
| 3304 | #ifdef FEAT_VISUAL |
| 3305 | if (VIsual_active) |
| 3306 | VIsual = curwin->w_cursor; |
| 3307 | else |
| 3308 | #endif |
| 3309 | oap->start = curwin->w_cursor; |
| 3310 | } |
| 3311 | } |
| 3312 | curwin->w_cursor = pos; /* put cursor back at end */ |
| 3313 | } |
| 3314 | |
| 3315 | #ifdef FEAT_VISUAL |
| 3316 | if (VIsual_active) |
| 3317 | { |
| 3318 | if (*p_sel == 'e' && inclusive && ltoreq(VIsual, curwin->w_cursor)) |
| 3319 | inc_cursor(); |
| 3320 | if (VIsual_mode == 'V') |
| 3321 | { |
| 3322 | VIsual_mode = 'v'; |
| 3323 | redraw_cmdline = TRUE; /* show mode later */ |
| 3324 | } |
| 3325 | } |
| 3326 | else |
| 3327 | #endif |
| 3328 | oap->inclusive = inclusive; |
| 3329 | |
| 3330 | return OK; |
| 3331 | } |
| 3332 | |
| 3333 | /* |
| 3334 | * Find sentence(s) under the cursor, cursor at end. |
| 3335 | * When Visual active, extend it by one or more sentences. |
| 3336 | */ |
| 3337 | int |
| 3338 | current_sent(oap, count, include) |
| 3339 | oparg_T *oap; |
| 3340 | long count; |
| 3341 | int include; |
| 3342 | { |
| 3343 | pos_T start_pos; |
| 3344 | pos_T pos; |
| 3345 | int start_blank; |
| 3346 | int c; |
| 3347 | int at_start_sent; |
| 3348 | long ncount; |
| 3349 | |
| 3350 | start_pos = curwin->w_cursor; |
| 3351 | pos = start_pos; |
| 3352 | findsent(FORWARD, 1L); /* Find start of next sentence. */ |
| 3353 | |
| 3354 | #ifdef FEAT_VISUAL |
| 3355 | /* |
| 3356 | * When visual area is bigger than one character: Extend it. |
| 3357 | */ |
| 3358 | if (VIsual_active && !equalpos(start_pos, VIsual)) |
| 3359 | { |
| 3360 | extend: |
| 3361 | if (lt(start_pos, VIsual)) |
| 3362 | { |
| 3363 | /* |
| 3364 | * Cursor at start of Visual area. |
| 3365 | * Find out where we are: |
| 3366 | * - in the white space before a sentence |
| 3367 | * - in a sentence or just after it |
| 3368 | * - at the start of a sentence |
| 3369 | */ |
| 3370 | at_start_sent = TRUE; |
| 3371 | decl(&pos); |
| 3372 | while (lt(pos, curwin->w_cursor)) |
| 3373 | { |
| 3374 | c = gchar_pos(&pos); |
| 3375 | if (!vim_iswhite(c)) |
| 3376 | { |
| 3377 | at_start_sent = FALSE; |
| 3378 | break; |
| 3379 | } |
| 3380 | incl(&pos); |
| 3381 | } |
| 3382 | if (!at_start_sent) |
| 3383 | { |
| 3384 | findsent(BACKWARD, 1L); |
| 3385 | if (equalpos(curwin->w_cursor, start_pos)) |
| 3386 | at_start_sent = TRUE; /* exactly at start of sentence */ |
| 3387 | else |
| 3388 | /* inside a sentence, go to its end (start of next) */ |
| 3389 | findsent(FORWARD, 1L); |
| 3390 | } |
| 3391 | if (include) /* "as" gets twice as much as "is" */ |
| 3392 | count *= 2; |
| 3393 | while (count--) |
| 3394 | { |
| 3395 | if (at_start_sent) |
| 3396 | find_first_blank(&curwin->w_cursor); |
| 3397 | c = gchar_cursor(); |
| 3398 | if (!at_start_sent || (!include && !vim_iswhite(c))) |
| 3399 | findsent(BACKWARD, 1L); |
| 3400 | at_start_sent = !at_start_sent; |
| 3401 | } |
| 3402 | } |
| 3403 | else |
| 3404 | { |
| 3405 | /* |
| 3406 | * Cursor at end of Visual area. |
| 3407 | * Find out where we are: |
| 3408 | * - just before a sentence |
| 3409 | * - just before or in the white space before a sentence |
| 3410 | * - in a sentence |
| 3411 | */ |
| 3412 | incl(&pos); |
| 3413 | at_start_sent = TRUE; |
| 3414 | if (!equalpos(pos, curwin->w_cursor)) /* not just before a sentence */ |
| 3415 | { |
| 3416 | at_start_sent = FALSE; |
| 3417 | while (lt(pos, curwin->w_cursor)) |
| 3418 | { |
| 3419 | c = gchar_pos(&pos); |
| 3420 | if (!vim_iswhite(c)) |
| 3421 | { |
| 3422 | at_start_sent = TRUE; |
| 3423 | break; |
| 3424 | } |
| 3425 | incl(&pos); |
| 3426 | } |
| 3427 | if (at_start_sent) /* in the sentence */ |
| 3428 | findsent(BACKWARD, 1L); |
| 3429 | else /* in/before white before a sentence */ |
| 3430 | curwin->w_cursor = start_pos; |
| 3431 | } |
| 3432 | |
| 3433 | if (include) /* "as" gets twice as much as "is" */ |
| 3434 | count *= 2; |
| 3435 | findsent_forward(count, at_start_sent); |
| 3436 | if (*p_sel == 'e') |
| 3437 | ++curwin->w_cursor.col; |
| 3438 | } |
| 3439 | return OK; |
| 3440 | } |
| 3441 | #endif |
| 3442 | |
| 3443 | /* |
| 3444 | * If cursor started on blank, check if it is just before the start of the |
| 3445 | * next sentence. |
| 3446 | */ |
| 3447 | while (c = gchar_pos(&pos), vim_iswhite(c)) /* vim_iswhite() is a macro */ |
| 3448 | incl(&pos); |
| 3449 | if (equalpos(pos, curwin->w_cursor)) |
| 3450 | { |
| 3451 | start_blank = TRUE; |
| 3452 | find_first_blank(&start_pos); /* go back to first blank */ |
| 3453 | } |
| 3454 | else |
| 3455 | { |
| 3456 | start_blank = FALSE; |
| 3457 | findsent(BACKWARD, 1L); |
| 3458 | start_pos = curwin->w_cursor; |
| 3459 | } |
| 3460 | if (include) |
| 3461 | ncount = count * 2; |
| 3462 | else |
| 3463 | { |
| 3464 | ncount = count; |
| 3465 | if (start_blank) |
| 3466 | --ncount; |
| 3467 | } |
Bram Moolenaar | def9e82 | 2004-12-31 20:58:58 +0000 | [diff] [blame] | 3468 | if (ncount > 0) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3469 | findsent_forward(ncount, TRUE); |
| 3470 | else |
| 3471 | decl(&curwin->w_cursor); |
| 3472 | |
| 3473 | if (include) |
| 3474 | { |
| 3475 | /* |
| 3476 | * If the blank in front of the sentence is included, exclude the |
| 3477 | * blanks at the end of the sentence, go back to the first blank. |
| 3478 | * If there are no trailing blanks, try to include leading blanks. |
| 3479 | */ |
| 3480 | if (start_blank) |
| 3481 | { |
| 3482 | find_first_blank(&curwin->w_cursor); |
| 3483 | c = gchar_pos(&curwin->w_cursor); /* vim_iswhite() is a macro */ |
| 3484 | if (vim_iswhite(c)) |
| 3485 | decl(&curwin->w_cursor); |
| 3486 | } |
| 3487 | else if (c = gchar_cursor(), !vim_iswhite(c)) |
| 3488 | find_first_blank(&start_pos); |
| 3489 | } |
| 3490 | |
| 3491 | #ifdef FEAT_VISUAL |
| 3492 | if (VIsual_active) |
| 3493 | { |
| 3494 | /* avoid getting stuck with "is" on a single space before a sent. */ |
| 3495 | if (equalpos(start_pos, curwin->w_cursor)) |
| 3496 | goto extend; |
| 3497 | if (*p_sel == 'e') |
| 3498 | ++curwin->w_cursor.col; |
| 3499 | VIsual = start_pos; |
| 3500 | VIsual_mode = 'v'; |
| 3501 | redraw_curbuf_later(INVERTED); /* update the inversion */ |
| 3502 | } |
| 3503 | else |
| 3504 | #endif |
| 3505 | { |
| 3506 | /* include a newline after the sentence, if there is one */ |
| 3507 | if (incl(&curwin->w_cursor) == -1) |
| 3508 | oap->inclusive = TRUE; |
| 3509 | else |
| 3510 | oap->inclusive = FALSE; |
| 3511 | oap->start = start_pos; |
| 3512 | oap->motion_type = MCHAR; |
| 3513 | } |
| 3514 | return OK; |
| 3515 | } |
| 3516 | |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3517 | /* |
| 3518 | * Find block under the cursor, cursor at end. |
| 3519 | * "what" and "other" are two matching parenthesis/paren/etc. |
| 3520 | */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3521 | int |
| 3522 | current_block(oap, count, include, what, other) |
| 3523 | oparg_T *oap; |
| 3524 | long count; |
| 3525 | int include; /* TRUE == include white space */ |
| 3526 | int what; /* '(', '{', etc. */ |
| 3527 | int other; /* ')', '}', etc. */ |
| 3528 | { |
| 3529 | pos_T old_pos; |
| 3530 | pos_T *pos = NULL; |
| 3531 | pos_T start_pos; |
| 3532 | pos_T *end_pos; |
| 3533 | pos_T old_start, old_end; |
| 3534 | char_u *save_cpo; |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3535 | int sol = FALSE; /* '{' at start of line */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3536 | |
| 3537 | old_pos = curwin->w_cursor; |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3538 | old_end = curwin->w_cursor; /* remember where we started */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3539 | old_start = old_end; |
| 3540 | |
| 3541 | /* |
| 3542 | * If we start on '(', '{', ')', '}', etc., use the whole block inclusive. |
| 3543 | */ |
| 3544 | #ifdef FEAT_VISUAL |
| 3545 | if (!VIsual_active || equalpos(VIsual, curwin->w_cursor)) |
| 3546 | #endif |
| 3547 | { |
| 3548 | setpcmark(); |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3549 | if (what == '{') /* ignore indent */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3550 | while (inindent(1)) |
| 3551 | if (inc_cursor() != 0) |
| 3552 | break; |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3553 | if (gchar_cursor() == what) |
| 3554 | /* cursor on '(' or '{', move cursor just after it */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3555 | ++curwin->w_cursor.col; |
| 3556 | } |
| 3557 | #ifdef FEAT_VISUAL |
| 3558 | else if (lt(VIsual, curwin->w_cursor)) |
| 3559 | { |
| 3560 | old_start = VIsual; |
| 3561 | curwin->w_cursor = VIsual; /* cursor at low end of Visual */ |
| 3562 | } |
| 3563 | else |
| 3564 | old_end = VIsual; |
| 3565 | #endif |
| 3566 | |
| 3567 | /* |
| 3568 | * Search backwards for unclosed '(', '{', etc.. |
| 3569 | * Put this position in start_pos. |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3570 | * Ignore quotes here. |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3571 | */ |
| 3572 | save_cpo = p_cpo; |
| 3573 | p_cpo = (char_u *)"%"; |
| 3574 | while (count-- > 0) |
| 3575 | { |
| 3576 | if ((pos = findmatch(NULL, what)) == NULL) |
| 3577 | break; |
| 3578 | curwin->w_cursor = *pos; |
| 3579 | start_pos = *pos; /* the findmatch for end_pos will overwrite *pos */ |
| 3580 | } |
| 3581 | p_cpo = save_cpo; |
| 3582 | |
| 3583 | /* |
| 3584 | * Search for matching ')', '}', etc. |
| 3585 | * Put this position in curwin->w_cursor. |
| 3586 | */ |
| 3587 | if (pos == NULL || (end_pos = findmatch(NULL, other)) == NULL) |
| 3588 | { |
| 3589 | curwin->w_cursor = old_pos; |
| 3590 | return FAIL; |
| 3591 | } |
| 3592 | curwin->w_cursor = *end_pos; |
| 3593 | |
| 3594 | /* |
| 3595 | * Try to exclude the '(', '{', ')', '}', etc. when "include" is FALSE. |
| 3596 | * If the ending '}' is only preceded by indent, skip that indent. |
| 3597 | * But only if the resulting area is not smaller than what we started with. |
| 3598 | */ |
| 3599 | while (!include) |
| 3600 | { |
| 3601 | incl(&start_pos); |
| 3602 | sol = (curwin->w_cursor.col == 0); |
| 3603 | decl(&curwin->w_cursor); |
| 3604 | if (what == '{') |
| 3605 | while (inindent(1)) |
| 3606 | { |
| 3607 | sol = TRUE; |
| 3608 | if (decl(&curwin->w_cursor) != 0) |
| 3609 | break; |
| 3610 | } |
| 3611 | #ifdef FEAT_VISUAL |
| 3612 | /* |
| 3613 | * In Visual mode, when the resulting area is not bigger than what we |
| 3614 | * started with, extend it to the next block, and then exclude again. |
| 3615 | */ |
| 3616 | if (!lt(start_pos, old_start) && !lt(old_end, curwin->w_cursor) |
| 3617 | && VIsual_active) |
| 3618 | { |
| 3619 | curwin->w_cursor = old_start; |
| 3620 | decl(&curwin->w_cursor); |
| 3621 | if ((pos = findmatch(NULL, what)) == NULL) |
| 3622 | { |
| 3623 | curwin->w_cursor = old_pos; |
| 3624 | return FAIL; |
| 3625 | } |
| 3626 | start_pos = *pos; |
| 3627 | curwin->w_cursor = *pos; |
| 3628 | if ((end_pos = findmatch(NULL, other)) == NULL) |
| 3629 | { |
| 3630 | curwin->w_cursor = old_pos; |
| 3631 | return FAIL; |
| 3632 | } |
| 3633 | curwin->w_cursor = *end_pos; |
| 3634 | } |
| 3635 | else |
| 3636 | #endif |
| 3637 | break; |
| 3638 | } |
| 3639 | |
| 3640 | #ifdef FEAT_VISUAL |
| 3641 | if (VIsual_active) |
| 3642 | { |
| 3643 | if (*p_sel == 'e') |
| 3644 | ++curwin->w_cursor.col; |
Bram Moolenaar | a5792f5 | 2005-11-23 21:25:05 +0000 | [diff] [blame] | 3645 | if (sol && gchar_cursor() != NUL) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3646 | inc(&curwin->w_cursor); /* include the line break */ |
| 3647 | VIsual = start_pos; |
| 3648 | VIsual_mode = 'v'; |
| 3649 | redraw_curbuf_later(INVERTED); /* update the inversion */ |
| 3650 | showmode(); |
| 3651 | } |
| 3652 | else |
| 3653 | #endif |
| 3654 | { |
| 3655 | oap->start = start_pos; |
| 3656 | oap->motion_type = MCHAR; |
Bram Moolenaar | 1864a4e | 2007-06-19 10:56:05 +0000 | [diff] [blame] | 3657 | oap->inclusive = FALSE; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3658 | if (sol) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3659 | incl(&curwin->w_cursor); |
Bram Moolenaar | 2a6f211 | 2008-01-26 20:15:46 +0000 | [diff] [blame] | 3660 | else if (ltoreq(start_pos, curwin->w_cursor)) |
Bram Moolenaar | 1864a4e | 2007-06-19 10:56:05 +0000 | [diff] [blame] | 3661 | /* Include the character under the cursor. */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3662 | oap->inclusive = TRUE; |
Bram Moolenaar | 1864a4e | 2007-06-19 10:56:05 +0000 | [diff] [blame] | 3663 | else |
| 3664 | /* End is before the start (no text in between <>, [], etc.): don't |
| 3665 | * operate on any text. */ |
| 3666 | curwin->w_cursor = start_pos; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3667 | } |
| 3668 | |
| 3669 | return OK; |
| 3670 | } |
| 3671 | |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3672 | static int in_html_tag __ARGS((int)); |
| 3673 | |
| 3674 | /* |
| 3675 | * Return TRUE if the cursor is on a "<aaa>" tag. Ignore "<aaa/>". |
| 3676 | * When "end_tag" is TRUE return TRUE if the cursor is on "</aaa>". |
| 3677 | */ |
| 3678 | static int |
| 3679 | in_html_tag(end_tag) |
| 3680 | int end_tag; |
| 3681 | { |
| 3682 | char_u *line = ml_get_curline(); |
| 3683 | char_u *p; |
| 3684 | int c; |
| 3685 | int lc = NUL; |
| 3686 | pos_T pos; |
| 3687 | |
| 3688 | #ifdef FEAT_MBYTE |
| 3689 | if (enc_dbcs) |
| 3690 | { |
| 3691 | char_u *lp = NULL; |
| 3692 | |
| 3693 | /* We search forward until the cursor, because searching backwards is |
| 3694 | * very slow for DBCS encodings. */ |
| 3695 | for (p = line; p < line + curwin->w_cursor.col; mb_ptr_adv(p)) |
| 3696 | if (*p == '>' || *p == '<') |
| 3697 | { |
| 3698 | lc = *p; |
| 3699 | lp = p; |
| 3700 | } |
| 3701 | if (*p != '<') /* check for '<' under cursor */ |
| 3702 | { |
| 3703 | if (lc != '<') |
| 3704 | return FALSE; |
| 3705 | p = lp; |
| 3706 | } |
| 3707 | } |
| 3708 | else |
| 3709 | #endif |
| 3710 | { |
| 3711 | for (p = line + curwin->w_cursor.col; p > line; ) |
| 3712 | { |
| 3713 | if (*p == '<') /* find '<' under/before cursor */ |
| 3714 | break; |
| 3715 | mb_ptr_back(line, p); |
| 3716 | if (*p == '>') /* find '>' before cursor */ |
| 3717 | break; |
| 3718 | } |
| 3719 | if (*p != '<') |
| 3720 | return FALSE; |
| 3721 | } |
| 3722 | |
| 3723 | pos.lnum = curwin->w_cursor.lnum; |
Bram Moolenaar | a93fa7e | 2006-04-17 22:14:47 +0000 | [diff] [blame] | 3724 | pos.col = (colnr_T)(p - line); |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3725 | |
| 3726 | mb_ptr_adv(p); |
| 3727 | if (end_tag) |
| 3728 | /* check that there is a '/' after the '<' */ |
| 3729 | return *p == '/'; |
| 3730 | |
| 3731 | /* check that there is no '/' after the '<' */ |
| 3732 | if (*p == '/') |
| 3733 | return FALSE; |
| 3734 | |
| 3735 | /* check that the matching '>' is not preceded by '/' */ |
| 3736 | for (;;) |
| 3737 | { |
| 3738 | if (inc(&pos) < 0) |
| 3739 | return FALSE; |
| 3740 | c = *ml_get_pos(&pos); |
| 3741 | if (c == '>') |
| 3742 | break; |
| 3743 | lc = c; |
| 3744 | } |
| 3745 | return lc != '/'; |
| 3746 | } |
| 3747 | |
| 3748 | /* |
| 3749 | * Find tag block under the cursor, cursor at end. |
| 3750 | */ |
| 3751 | int |
| 3752 | current_tagblock(oap, count_arg, include) |
| 3753 | oparg_T *oap; |
| 3754 | long count_arg; |
| 3755 | int include; /* TRUE == include white space */ |
| 3756 | { |
| 3757 | long count = count_arg; |
| 3758 | long n; |
| 3759 | pos_T old_pos; |
| 3760 | pos_T start_pos; |
| 3761 | pos_T end_pos; |
| 3762 | pos_T old_start, old_end; |
| 3763 | char_u *spat, *epat; |
| 3764 | char_u *p; |
| 3765 | char_u *cp; |
| 3766 | int len; |
| 3767 | int r; |
| 3768 | int do_include = include; |
| 3769 | int save_p_ws = p_ws; |
| 3770 | int retval = FAIL; |
| 3771 | |
| 3772 | p_ws = FALSE; |
| 3773 | |
| 3774 | old_pos = curwin->w_cursor; |
| 3775 | old_end = curwin->w_cursor; /* remember where we started */ |
| 3776 | old_start = old_end; |
Bram Moolenaar | 2a6f211 | 2008-01-26 20:15:46 +0000 | [diff] [blame] | 3777 | #ifdef FEAT_VISUAL |
| 3778 | if (!VIsual_active || *p_sel == 'e') |
| 3779 | #endif |
| 3780 | decl(&old_end); /* old_end is inclusive */ |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3781 | |
| 3782 | /* |
Bram Moolenaar | 4536002 | 2005-07-21 21:08:21 +0000 | [diff] [blame] | 3783 | * If we start on "<aaa>" select that block. |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3784 | */ |
| 3785 | #ifdef FEAT_VISUAL |
| 3786 | if (!VIsual_active || equalpos(VIsual, curwin->w_cursor)) |
| 3787 | #endif |
| 3788 | { |
| 3789 | setpcmark(); |
| 3790 | |
| 3791 | /* ignore indent */ |
| 3792 | while (inindent(1)) |
| 3793 | if (inc_cursor() != 0) |
| 3794 | break; |
| 3795 | |
| 3796 | if (in_html_tag(FALSE)) |
| 3797 | { |
Bram Moolenaar | 1864a4e | 2007-06-19 10:56:05 +0000 | [diff] [blame] | 3798 | /* cursor on start tag, move to its '>' */ |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3799 | while (*ml_get_cursor() != '>') |
| 3800 | if (inc_cursor() < 0) |
| 3801 | break; |
| 3802 | } |
| 3803 | else if (in_html_tag(TRUE)) |
| 3804 | { |
| 3805 | /* cursor on end tag, move to just before it */ |
| 3806 | while (*ml_get_cursor() != '<') |
| 3807 | if (dec_cursor() < 0) |
| 3808 | break; |
| 3809 | dec_cursor(); |
| 3810 | old_end = curwin->w_cursor; |
| 3811 | } |
| 3812 | } |
| 3813 | #ifdef FEAT_VISUAL |
| 3814 | else if (lt(VIsual, curwin->w_cursor)) |
| 3815 | { |
| 3816 | old_start = VIsual; |
| 3817 | curwin->w_cursor = VIsual; /* cursor at low end of Visual */ |
| 3818 | } |
| 3819 | else |
| 3820 | old_end = VIsual; |
| 3821 | #endif |
| 3822 | |
| 3823 | again: |
| 3824 | /* |
| 3825 | * Search backwards for unclosed "<aaa>". |
| 3826 | * Put this position in start_pos. |
| 3827 | */ |
| 3828 | for (n = 0; n < count; ++n) |
| 3829 | { |
Bram Moolenaar | 4536002 | 2005-07-21 21:08:21 +0000 | [diff] [blame] | 3830 | if (do_searchpair((char_u *)"<[^ \t>/!]\\+\\%(\\_s\\_[^>]\\{-}[^/]>\\|$\\|\\_s\\=>\\)", |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3831 | (char_u *)"", |
Bram Moolenaar | a23ccb8 | 2006-02-27 00:08:02 +0000 | [diff] [blame] | 3832 | (char_u *)"</[^>]*>", BACKWARD, (char_u *)"", 0, |
Bram Moolenaar | 7692929 | 2008-01-06 19:07:36 +0000 | [diff] [blame] | 3833 | NULL, (linenr_T)0, 0L) <= 0) |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3834 | { |
| 3835 | curwin->w_cursor = old_pos; |
| 3836 | goto theend; |
| 3837 | } |
| 3838 | } |
| 3839 | start_pos = curwin->w_cursor; |
| 3840 | |
| 3841 | /* |
| 3842 | * Search for matching "</aaa>". First isolate the "aaa". |
| 3843 | */ |
| 3844 | inc_cursor(); |
| 3845 | p = ml_get_cursor(); |
| 3846 | for (cp = p; *cp != NUL && *cp != '>' && !vim_iswhite(*cp); mb_ptr_adv(cp)) |
| 3847 | ; |
Bram Moolenaar | a93fa7e | 2006-04-17 22:14:47 +0000 | [diff] [blame] | 3848 | len = (int)(cp - p); |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3849 | if (len == 0) |
| 3850 | { |
| 3851 | curwin->w_cursor = old_pos; |
| 3852 | goto theend; |
| 3853 | } |
| 3854 | spat = alloc(len + 29); |
| 3855 | epat = alloc(len + 9); |
| 3856 | if (spat == NULL || epat == NULL) |
| 3857 | { |
| 3858 | vim_free(spat); |
| 3859 | vim_free(epat); |
| 3860 | curwin->w_cursor = old_pos; |
| 3861 | goto theend; |
| 3862 | } |
| 3863 | sprintf((char *)spat, "<%.*s\\%%(\\_[^>]\\{-}[^/]>\\|>\\)\\c", len, p); |
| 3864 | sprintf((char *)epat, "</%.*s>\\c", len, p); |
| 3865 | |
Bram Moolenaar | a23ccb8 | 2006-02-27 00:08:02 +0000 | [diff] [blame] | 3866 | r = do_searchpair(spat, (char_u *)"", epat, FORWARD, (char_u *)"", |
Bram Moolenaar | 7692929 | 2008-01-06 19:07:36 +0000 | [diff] [blame] | 3867 | 0, NULL, (linenr_T)0, 0L); |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3868 | |
| 3869 | vim_free(spat); |
| 3870 | vim_free(epat); |
| 3871 | |
| 3872 | if (r < 1 || lt(curwin->w_cursor, old_end)) |
| 3873 | { |
| 3874 | /* Can't find other end or it's before the previous end. Could be a |
| 3875 | * HTML tag that doesn't have a matching end. Search backwards for |
| 3876 | * another starting tag. */ |
| 3877 | count = 1; |
| 3878 | curwin->w_cursor = start_pos; |
| 3879 | goto again; |
| 3880 | } |
| 3881 | |
| 3882 | if (do_include || r < 1) |
| 3883 | { |
| 3884 | /* Include up to the '>'. */ |
| 3885 | while (*ml_get_cursor() != '>') |
| 3886 | if (inc_cursor() < 0) |
| 3887 | break; |
| 3888 | } |
| 3889 | else |
| 3890 | { |
| 3891 | /* Exclude the '<' of the end tag. */ |
| 3892 | if (*ml_get_cursor() == '<') |
| 3893 | dec_cursor(); |
| 3894 | } |
| 3895 | end_pos = curwin->w_cursor; |
| 3896 | |
| 3897 | if (!do_include) |
| 3898 | { |
| 3899 | /* Exclude the start tag. */ |
| 3900 | curwin->w_cursor = start_pos; |
| 3901 | while (inc_cursor() >= 0) |
Bram Moolenaar | 1864a4e | 2007-06-19 10:56:05 +0000 | [diff] [blame] | 3902 | if (*ml_get_cursor() == '>') |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3903 | { |
| 3904 | inc_cursor(); |
| 3905 | start_pos = curwin->w_cursor; |
| 3906 | break; |
| 3907 | } |
| 3908 | curwin->w_cursor = end_pos; |
| 3909 | |
Bram Moolenaar | 4536002 | 2005-07-21 21:08:21 +0000 | [diff] [blame] | 3910 | /* If we now have the same text as before reset "do_include" and try |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3911 | * again. */ |
Bram Moolenaar | 4536002 | 2005-07-21 21:08:21 +0000 | [diff] [blame] | 3912 | if (equalpos(start_pos, old_start) && equalpos(end_pos, old_end)) |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3913 | { |
| 3914 | do_include = TRUE; |
| 3915 | curwin->w_cursor = old_start; |
| 3916 | count = count_arg; |
| 3917 | goto again; |
| 3918 | } |
| 3919 | } |
| 3920 | |
| 3921 | #ifdef FEAT_VISUAL |
| 3922 | if (VIsual_active) |
| 3923 | { |
Bram Moolenaar | 1864a4e | 2007-06-19 10:56:05 +0000 | [diff] [blame] | 3924 | /* If the end is before the start there is no text between tags, select |
| 3925 | * the char under the cursor. */ |
| 3926 | if (lt(end_pos, start_pos)) |
| 3927 | curwin->w_cursor = start_pos; |
| 3928 | else if (*p_sel == 'e') |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3929 | ++curwin->w_cursor.col; |
| 3930 | VIsual = start_pos; |
| 3931 | VIsual_mode = 'v'; |
| 3932 | redraw_curbuf_later(INVERTED); /* update the inversion */ |
| 3933 | showmode(); |
| 3934 | } |
| 3935 | else |
| 3936 | #endif |
| 3937 | { |
| 3938 | oap->start = start_pos; |
| 3939 | oap->motion_type = MCHAR; |
Bram Moolenaar | 1864a4e | 2007-06-19 10:56:05 +0000 | [diff] [blame] | 3940 | if (lt(end_pos, start_pos)) |
| 3941 | { |
| 3942 | /* End is before the start: there is no text between tags; operate |
| 3943 | * on an empty area. */ |
| 3944 | curwin->w_cursor = start_pos; |
| 3945 | oap->inclusive = FALSE; |
| 3946 | } |
| 3947 | else |
| 3948 | oap->inclusive = TRUE; |
Bram Moolenaar | d6c04cd | 2005-07-19 22:18:49 +0000 | [diff] [blame] | 3949 | } |
| 3950 | retval = OK; |
| 3951 | |
| 3952 | theend: |
| 3953 | p_ws = save_p_ws; |
| 3954 | return retval; |
| 3955 | } |
| 3956 | |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 3957 | int |
| 3958 | current_par(oap, count, include, type) |
| 3959 | oparg_T *oap; |
| 3960 | long count; |
| 3961 | int include; /* TRUE == include white space */ |
| 3962 | int type; /* 'p' for paragraph, 'S' for section */ |
| 3963 | { |
| 3964 | linenr_T start_lnum; |
| 3965 | linenr_T end_lnum; |
| 3966 | int white_in_front; |
| 3967 | int dir; |
| 3968 | int start_is_white; |
| 3969 | int prev_start_is_white; |
| 3970 | int retval = OK; |
| 3971 | int do_white = FALSE; |
| 3972 | int t; |
| 3973 | int i; |
| 3974 | |
| 3975 | if (type == 'S') /* not implemented yet */ |
| 3976 | return FAIL; |
| 3977 | |
| 3978 | start_lnum = curwin->w_cursor.lnum; |
| 3979 | |
| 3980 | #ifdef FEAT_VISUAL |
| 3981 | /* |
| 3982 | * When visual area is more than one line: extend it. |
| 3983 | */ |
| 3984 | if (VIsual_active && start_lnum != VIsual.lnum) |
| 3985 | { |
| 3986 | extend: |
| 3987 | if (start_lnum < VIsual.lnum) |
| 3988 | dir = BACKWARD; |
| 3989 | else |
| 3990 | dir = FORWARD; |
| 3991 | for (i = count; --i >= 0; ) |
| 3992 | { |
| 3993 | if (start_lnum == |
| 3994 | (dir == BACKWARD ? 1 : curbuf->b_ml.ml_line_count)) |
| 3995 | { |
| 3996 | retval = FAIL; |
| 3997 | break; |
| 3998 | } |
| 3999 | |
| 4000 | prev_start_is_white = -1; |
| 4001 | for (t = 0; t < 2; ++t) |
| 4002 | { |
| 4003 | start_lnum += dir; |
| 4004 | start_is_white = linewhite(start_lnum); |
| 4005 | if (prev_start_is_white == start_is_white) |
| 4006 | { |
| 4007 | start_lnum -= dir; |
| 4008 | break; |
| 4009 | } |
| 4010 | for (;;) |
| 4011 | { |
| 4012 | if (start_lnum == (dir == BACKWARD |
| 4013 | ? 1 : curbuf->b_ml.ml_line_count)) |
| 4014 | break; |
| 4015 | if (start_is_white != linewhite(start_lnum + dir) |
| 4016 | || (!start_is_white |
| 4017 | && startPS(start_lnum + (dir > 0 |
| 4018 | ? 1 : 0), 0, 0))) |
| 4019 | break; |
| 4020 | start_lnum += dir; |
| 4021 | } |
| 4022 | if (!include) |
| 4023 | break; |
| 4024 | if (start_lnum == (dir == BACKWARD |
| 4025 | ? 1 : curbuf->b_ml.ml_line_count)) |
| 4026 | break; |
| 4027 | prev_start_is_white = start_is_white; |
| 4028 | } |
| 4029 | } |
| 4030 | curwin->w_cursor.lnum = start_lnum; |
| 4031 | curwin->w_cursor.col = 0; |
| 4032 | return retval; |
| 4033 | } |
| 4034 | #endif |
| 4035 | |
| 4036 | /* |
| 4037 | * First move back to the start_lnum of the paragraph or white lines |
| 4038 | */ |
| 4039 | white_in_front = linewhite(start_lnum); |
| 4040 | while (start_lnum > 1) |
| 4041 | { |
| 4042 | if (white_in_front) /* stop at first white line */ |
| 4043 | { |
| 4044 | if (!linewhite(start_lnum - 1)) |
| 4045 | break; |
| 4046 | } |
| 4047 | else /* stop at first non-white line of start of paragraph */ |
| 4048 | { |
| 4049 | if (linewhite(start_lnum - 1) || startPS(start_lnum, 0, 0)) |
| 4050 | break; |
| 4051 | } |
| 4052 | --start_lnum; |
| 4053 | } |
| 4054 | |
| 4055 | /* |
| 4056 | * Move past the end of any white lines. |
| 4057 | */ |
| 4058 | end_lnum = start_lnum; |
Bram Moolenaar | a23ccb8 | 2006-02-27 00:08:02 +0000 | [diff] [blame] | 4059 | while (end_lnum <= curbuf->b_ml.ml_line_count && linewhite(end_lnum)) |
| 4060 | ++end_lnum; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4061 | |
| 4062 | --end_lnum; |
| 4063 | i = count; |
| 4064 | if (!include && white_in_front) |
| 4065 | --i; |
| 4066 | while (i--) |
| 4067 | { |
| 4068 | if (end_lnum == curbuf->b_ml.ml_line_count) |
| 4069 | return FAIL; |
| 4070 | |
| 4071 | if (!include) |
| 4072 | do_white = linewhite(end_lnum + 1); |
| 4073 | |
| 4074 | if (include || !do_white) |
| 4075 | { |
| 4076 | ++end_lnum; |
| 4077 | /* |
| 4078 | * skip to end of paragraph |
| 4079 | */ |
| 4080 | while (end_lnum < curbuf->b_ml.ml_line_count |
| 4081 | && !linewhite(end_lnum + 1) |
| 4082 | && !startPS(end_lnum + 1, 0, 0)) |
| 4083 | ++end_lnum; |
| 4084 | } |
| 4085 | |
| 4086 | if (i == 0 && white_in_front && include) |
| 4087 | break; |
| 4088 | |
| 4089 | /* |
| 4090 | * skip to end of white lines after paragraph |
| 4091 | */ |
| 4092 | if (include || do_white) |
| 4093 | while (end_lnum < curbuf->b_ml.ml_line_count |
| 4094 | && linewhite(end_lnum + 1)) |
| 4095 | ++end_lnum; |
| 4096 | } |
| 4097 | |
| 4098 | /* |
| 4099 | * If there are no empty lines at the end, try to find some empty lines at |
| 4100 | * the start (unless that has been done already). |
| 4101 | */ |
| 4102 | if (!white_in_front && !linewhite(end_lnum) && include) |
| 4103 | while (start_lnum > 1 && linewhite(start_lnum - 1)) |
| 4104 | --start_lnum; |
| 4105 | |
| 4106 | #ifdef FEAT_VISUAL |
| 4107 | if (VIsual_active) |
| 4108 | { |
| 4109 | /* Problem: when doing "Vipipip" nothing happens in a single white |
| 4110 | * line, we get stuck there. Trap this here. */ |
| 4111 | if (VIsual_mode == 'V' && start_lnum == curwin->w_cursor.lnum) |
| 4112 | goto extend; |
| 4113 | VIsual.lnum = start_lnum; |
| 4114 | VIsual_mode = 'V'; |
| 4115 | redraw_curbuf_later(INVERTED); /* update the inversion */ |
| 4116 | showmode(); |
| 4117 | } |
| 4118 | else |
| 4119 | #endif |
| 4120 | { |
| 4121 | oap->start.lnum = start_lnum; |
| 4122 | oap->start.col = 0; |
| 4123 | oap->motion_type = MLINE; |
| 4124 | } |
| 4125 | curwin->w_cursor.lnum = end_lnum; |
| 4126 | curwin->w_cursor.col = 0; |
| 4127 | |
| 4128 | return OK; |
| 4129 | } |
Bram Moolenaar | cfbc5ee | 2004-07-02 15:38:35 +0000 | [diff] [blame] | 4130 | |
| 4131 | static int find_next_quote __ARGS((char_u *top_ptr, int col, int quotechar, char_u *escape)); |
| 4132 | static int find_prev_quote __ARGS((char_u *line, int col_start, int quotechar, char_u *escape)); |
| 4133 | |
| 4134 | /* |
| 4135 | * Search quote char from string line[col]. |
| 4136 | * Quote character escaped by one of the characters in "escape" is not counted |
| 4137 | * as a quote. |
| 4138 | * Returns column number of "quotechar" or -1 when not found. |
| 4139 | */ |
| 4140 | static int |
| 4141 | find_next_quote(line, col, quotechar, escape) |
| 4142 | char_u *line; |
| 4143 | int col; |
| 4144 | int quotechar; |
| 4145 | char_u *escape; /* escape characters, can be NULL */ |
| 4146 | { |
| 4147 | int c; |
| 4148 | |
Bram Moolenaar | d8e9bb2 | 2005-07-09 21:14:46 +0000 | [diff] [blame] | 4149 | for (;;) |
Bram Moolenaar | cfbc5ee | 2004-07-02 15:38:35 +0000 | [diff] [blame] | 4150 | { |
| 4151 | c = line[col]; |
| 4152 | if (c == NUL) |
| 4153 | return -1; |
| 4154 | else if (escape != NULL && vim_strchr(escape, c)) |
| 4155 | ++col; |
| 4156 | else if (c == quotechar) |
| 4157 | break; |
| 4158 | #ifdef FEAT_MBYTE |
| 4159 | if (has_mbyte) |
Bram Moolenaar | 0fa313a | 2005-08-10 21:07:57 +0000 | [diff] [blame] | 4160 | col += (*mb_ptr2len)(line + col); |
Bram Moolenaar | cfbc5ee | 2004-07-02 15:38:35 +0000 | [diff] [blame] | 4161 | else |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4162 | #endif |
Bram Moolenaar | cfbc5ee | 2004-07-02 15:38:35 +0000 | [diff] [blame] | 4163 | ++col; |
| 4164 | } |
| 4165 | return col; |
| 4166 | } |
| 4167 | |
| 4168 | /* |
| 4169 | * Search backwards in "line" from column "col_start" to find "quotechar". |
| 4170 | * Quote character escaped by one of the characters in "escape" is not counted |
| 4171 | * as a quote. |
| 4172 | * Return the found column or zero. |
| 4173 | */ |
| 4174 | static int |
| 4175 | find_prev_quote(line, col_start, quotechar, escape) |
| 4176 | char_u *line; |
| 4177 | int col_start; |
| 4178 | int quotechar; |
| 4179 | char_u *escape; /* escape characters, can be NULL */ |
| 4180 | { |
| 4181 | int n; |
| 4182 | |
| 4183 | while (col_start > 0) |
| 4184 | { |
| 4185 | --col_start; |
| 4186 | #ifdef FEAT_MBYTE |
| 4187 | col_start -= (*mb_head_off)(line, line + col_start); |
| 4188 | #endif |
| 4189 | n = 0; |
| 4190 | if (escape != NULL) |
| 4191 | while (col_start - n > 0 && vim_strchr(escape, |
| 4192 | line[col_start - n - 1]) != NULL) |
| 4193 | ++n; |
| 4194 | if (n & 1) |
| 4195 | col_start -= n; /* uneven number of escape chars, skip it */ |
| 4196 | else if (line[col_start] == quotechar) |
| 4197 | break; |
| 4198 | } |
| 4199 | return col_start; |
| 4200 | } |
| 4201 | |
| 4202 | /* |
| 4203 | * Find quote under the cursor, cursor at end. |
| 4204 | * Returns TRUE if found, else FALSE. |
| 4205 | */ |
| 4206 | int |
| 4207 | current_quote(oap, count, include, quotechar) |
| 4208 | oparg_T *oap; |
Bram Moolenaar | ab19481 | 2005-09-14 21:40:12 +0000 | [diff] [blame] | 4209 | long count; |
Bram Moolenaar | cfbc5ee | 2004-07-02 15:38:35 +0000 | [diff] [blame] | 4210 | int include; /* TRUE == include quote char */ |
| 4211 | int quotechar; /* Quote character */ |
| 4212 | { |
| 4213 | char_u *line = ml_get_curline(); |
| 4214 | int col_end; |
| 4215 | int col_start = curwin->w_cursor.col; |
| 4216 | int inclusive = FALSE; |
| 4217 | #ifdef FEAT_VISUAL |
| 4218 | int vis_empty = TRUE; /* Visual selection <= 1 char */ |
| 4219 | int vis_bef_curs = FALSE; /* Visual starts before cursor */ |
Bram Moolenaar | ab19481 | 2005-09-14 21:40:12 +0000 | [diff] [blame] | 4220 | int inside_quotes = FALSE; /* Looks like "i'" done before */ |
| 4221 | int selected_quote = FALSE; /* Has quote inside selection */ |
| 4222 | int i; |
Bram Moolenaar | cfbc5ee | 2004-07-02 15:38:35 +0000 | [diff] [blame] | 4223 | |
| 4224 | /* Correct cursor when 'selection' is exclusive */ |
| 4225 | if (VIsual_active) |
| 4226 | { |
Bram Moolenaar | ab19481 | 2005-09-14 21:40:12 +0000 | [diff] [blame] | 4227 | vis_bef_curs = lt(VIsual, curwin->w_cursor); |
Bram Moolenaar | cfbc5ee | 2004-07-02 15:38:35 +0000 | [diff] [blame] | 4228 | if (*p_sel == 'e' && vis_bef_curs) |
| 4229 | dec_cursor(); |
| 4230 | vis_empty = equalpos(VIsual, curwin->w_cursor); |
Bram Moolenaar | cfbc5ee | 2004-07-02 15:38:35 +0000 | [diff] [blame] | 4231 | } |
Bram Moolenaar | ab19481 | 2005-09-14 21:40:12 +0000 | [diff] [blame] | 4232 | |
| 4233 | if (!vis_empty) |
| 4234 | { |
| 4235 | /* Check if the existing selection exactly spans the text inside |
| 4236 | * quotes. */ |
| 4237 | if (vis_bef_curs) |
| 4238 | { |
| 4239 | inside_quotes = VIsual.col > 0 |
| 4240 | && line[VIsual.col - 1] == quotechar |
| 4241 | && line[curwin->w_cursor.col] != NUL |
| 4242 | && line[curwin->w_cursor.col + 1] == quotechar; |
| 4243 | i = VIsual.col; |
| 4244 | col_end = curwin->w_cursor.col; |
| 4245 | } |
| 4246 | else |
| 4247 | { |
| 4248 | inside_quotes = curwin->w_cursor.col > 0 |
| 4249 | && line[curwin->w_cursor.col - 1] == quotechar |
| 4250 | && line[VIsual.col] != NUL |
| 4251 | && line[VIsual.col + 1] == quotechar; |
| 4252 | i = curwin->w_cursor.col; |
| 4253 | col_end = VIsual.col; |
| 4254 | } |
| 4255 | |
| 4256 | /* Find out if we have a quote in the selection. */ |
| 4257 | while (i <= col_end) |
| 4258 | if (line[i++] == quotechar) |
| 4259 | { |
| 4260 | selected_quote = TRUE; |
| 4261 | break; |
| 4262 | } |
| 4263 | } |
| 4264 | |
Bram Moolenaar | cfbc5ee | 2004-07-02 15:38:35 +0000 | [diff] [blame] | 4265 | if (!vis_empty && line[col_start] == quotechar) |
| 4266 | { |
| 4267 | /* Already selecting something and on a quote character. Find the |
| 4268 | * next quoted string. */ |
| 4269 | if (vis_bef_curs) |
| 4270 | { |
| 4271 | /* Assume we are on a closing quote: move to after the next |
| 4272 | * opening quote. */ |
| 4273 | col_start = find_next_quote(line, col_start + 1, quotechar, NULL); |
| 4274 | if (col_start < 0) |
| 4275 | return FALSE; |
| 4276 | col_end = find_next_quote(line, col_start + 1, quotechar, |
| 4277 | curbuf->b_p_qe); |
| 4278 | if (col_end < 0) |
| 4279 | { |
| 4280 | /* We were on a starting quote perhaps? */ |
| 4281 | col_end = col_start; |
| 4282 | col_start = curwin->w_cursor.col; |
| 4283 | } |
| 4284 | } |
| 4285 | else |
| 4286 | { |
| 4287 | col_end = find_prev_quote(line, col_start, quotechar, NULL); |
| 4288 | if (line[col_end] != quotechar) |
| 4289 | return FALSE; |
| 4290 | col_start = find_prev_quote(line, col_end, quotechar, |
| 4291 | curbuf->b_p_qe); |
| 4292 | if (line[col_start] != quotechar) |
| 4293 | { |
| 4294 | /* We were on an ending quote perhaps? */ |
| 4295 | col_start = col_end; |
| 4296 | col_end = curwin->w_cursor.col; |
| 4297 | } |
| 4298 | } |
| 4299 | } |
| 4300 | else |
| 4301 | #endif |
| 4302 | |
| 4303 | if (line[col_start] == quotechar |
| 4304 | #ifdef FEAT_VISUAL |
| 4305 | || !vis_empty |
| 4306 | #endif |
| 4307 | ) |
| 4308 | { |
| 4309 | int first_col = col_start; |
| 4310 | |
| 4311 | #ifdef FEAT_VISUAL |
| 4312 | if (!vis_empty) |
| 4313 | { |
| 4314 | if (vis_bef_curs) |
| 4315 | first_col = find_next_quote(line, col_start, quotechar, NULL); |
| 4316 | else |
| 4317 | first_col = find_prev_quote(line, col_start, quotechar, NULL); |
| 4318 | } |
| 4319 | #endif |
| 4320 | /* The cursor is on a quote, we don't know if it's the opening or |
| 4321 | * closing quote. Search from the start of the line to find out. |
| 4322 | * Also do this when there is a Visual area, a' may leave the cursor |
| 4323 | * in between two strings. */ |
| 4324 | col_start = 0; |
Bram Moolenaar | d8e9bb2 | 2005-07-09 21:14:46 +0000 | [diff] [blame] | 4325 | for (;;) |
Bram Moolenaar | cfbc5ee | 2004-07-02 15:38:35 +0000 | [diff] [blame] | 4326 | { |
| 4327 | /* Find open quote character. */ |
| 4328 | col_start = find_next_quote(line, col_start, quotechar, NULL); |
| 4329 | if (col_start < 0 || col_start > first_col) |
| 4330 | return FALSE; |
| 4331 | /* Find close quote character. */ |
| 4332 | col_end = find_next_quote(line, col_start + 1, quotechar, |
| 4333 | curbuf->b_p_qe); |
| 4334 | if (col_end < 0) |
| 4335 | return FALSE; |
| 4336 | /* If is cursor between start and end quote character, it is |
| 4337 | * target text object. */ |
| 4338 | if (col_start <= first_col && first_col <= col_end) |
| 4339 | break; |
| 4340 | col_start = col_end + 1; |
| 4341 | } |
| 4342 | } |
| 4343 | else |
| 4344 | { |
| 4345 | /* Search backward for a starting quote. */ |
| 4346 | col_start = find_prev_quote(line, col_start, quotechar, curbuf->b_p_qe); |
| 4347 | if (line[col_start] != quotechar) |
| 4348 | { |
| 4349 | /* No quote before the cursor, look after the cursor. */ |
| 4350 | col_start = find_next_quote(line, col_start, quotechar, NULL); |
| 4351 | if (col_start < 0) |
| 4352 | return FALSE; |
| 4353 | } |
| 4354 | |
| 4355 | /* Find close quote character. */ |
| 4356 | col_end = find_next_quote(line, col_start + 1, quotechar, |
| 4357 | curbuf->b_p_qe); |
| 4358 | if (col_end < 0) |
| 4359 | return FALSE; |
| 4360 | } |
| 4361 | |
| 4362 | /* When "include" is TRUE, include spaces after closing quote or before |
| 4363 | * the starting quote. */ |
| 4364 | if (include) |
| 4365 | { |
| 4366 | if (vim_iswhite(line[col_end + 1])) |
| 4367 | while (vim_iswhite(line[col_end + 1])) |
| 4368 | ++col_end; |
| 4369 | else |
| 4370 | while (col_start > 0 && vim_iswhite(line[col_start - 1])) |
| 4371 | --col_start; |
| 4372 | } |
| 4373 | |
Bram Moolenaar | ab19481 | 2005-09-14 21:40:12 +0000 | [diff] [blame] | 4374 | /* Set start position. After vi" another i" must include the ". |
| 4375 | * For v2i" include the quotes. */ |
| 4376 | if (!include && count < 2 |
| 4377 | #ifdef FEAT_VISUAL |
| 4378 | && (vis_empty || !inside_quotes) |
| 4379 | #endif |
| 4380 | ) |
Bram Moolenaar | cfbc5ee | 2004-07-02 15:38:35 +0000 | [diff] [blame] | 4381 | ++col_start; |
| 4382 | curwin->w_cursor.col = col_start; |
| 4383 | #ifdef FEAT_VISUAL |
| 4384 | if (VIsual_active) |
| 4385 | { |
Bram Moolenaar | ab19481 | 2005-09-14 21:40:12 +0000 | [diff] [blame] | 4386 | /* Set the start of the Visual area when the Visual area was empty, we |
| 4387 | * were just inside quotes or the Visual area didn't start at a quote |
| 4388 | * and didn't include a quote. |
| 4389 | */ |
| 4390 | if (vis_empty |
| 4391 | || (vis_bef_curs |
| 4392 | && !selected_quote |
| 4393 | && (inside_quotes |
| 4394 | || (line[VIsual.col] != quotechar |
| 4395 | && (VIsual.col == 0 |
| 4396 | || line[VIsual.col - 1] != quotechar))))) |
Bram Moolenaar | cfbc5ee | 2004-07-02 15:38:35 +0000 | [diff] [blame] | 4397 | { |
| 4398 | VIsual = curwin->w_cursor; |
| 4399 | redraw_curbuf_later(INVERTED); |
| 4400 | } |
| 4401 | } |
| 4402 | else |
| 4403 | #endif |
| 4404 | { |
| 4405 | oap->start = curwin->w_cursor; |
| 4406 | oap->motion_type = MCHAR; |
| 4407 | } |
| 4408 | |
| 4409 | /* Set end position. */ |
| 4410 | curwin->w_cursor.col = col_end; |
Bram Moolenaar | ab19481 | 2005-09-14 21:40:12 +0000 | [diff] [blame] | 4411 | if ((include || count > 1 |
| 4412 | #ifdef FEAT_VISUAL |
| 4413 | /* After vi" another i" must include the ". */ |
| 4414 | || (!vis_empty && inside_quotes) |
| 4415 | #endif |
| 4416 | ) && inc_cursor() == 2) |
Bram Moolenaar | cfbc5ee | 2004-07-02 15:38:35 +0000 | [diff] [blame] | 4417 | inclusive = TRUE; |
| 4418 | #ifdef FEAT_VISUAL |
| 4419 | if (VIsual_active) |
| 4420 | { |
| 4421 | if (vis_empty || vis_bef_curs) |
| 4422 | { |
| 4423 | /* decrement cursor when 'selection' is not exclusive */ |
| 4424 | if (*p_sel != 'e') |
| 4425 | dec_cursor(); |
| 4426 | } |
| 4427 | else |
| 4428 | { |
Bram Moolenaar | ab19481 | 2005-09-14 21:40:12 +0000 | [diff] [blame] | 4429 | /* Cursor is at start of Visual area. Set the end of the Visual |
| 4430 | * area when it was just inside quotes or it didn't end at a |
| 4431 | * quote. */ |
| 4432 | if (inside_quotes |
| 4433 | || (!selected_quote |
| 4434 | && line[VIsual.col] != quotechar |
| 4435 | && (line[VIsual.col] == NUL |
| 4436 | || line[VIsual.col + 1] != quotechar))) |
| 4437 | { |
| 4438 | dec_cursor(); |
| 4439 | VIsual = curwin->w_cursor; |
| 4440 | } |
Bram Moolenaar | cfbc5ee | 2004-07-02 15:38:35 +0000 | [diff] [blame] | 4441 | curwin->w_cursor.col = col_start; |
| 4442 | } |
| 4443 | if (VIsual_mode == 'V') |
| 4444 | { |
| 4445 | VIsual_mode = 'v'; |
| 4446 | redraw_cmdline = TRUE; /* show mode later */ |
| 4447 | } |
| 4448 | } |
| 4449 | else |
| 4450 | #endif |
| 4451 | { |
| 4452 | /* Set inclusive and other oap's flags. */ |
| 4453 | oap->inclusive = inclusive; |
| 4454 | } |
| 4455 | |
| 4456 | return OK; |
| 4457 | } |
| 4458 | |
| 4459 | #endif /* FEAT_TEXTOBJ */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4460 | |
| 4461 | #if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(FEAT_TEXTOBJ) \ |
| 4462 | || defined(PROTO) |
| 4463 | /* |
| 4464 | * return TRUE if line 'lnum' is empty or has white chars only. |
| 4465 | */ |
| 4466 | int |
| 4467 | linewhite(lnum) |
| 4468 | linenr_T lnum; |
| 4469 | { |
| 4470 | char_u *p; |
| 4471 | |
| 4472 | p = skipwhite(ml_get(lnum)); |
| 4473 | return (*p == NUL); |
| 4474 | } |
| 4475 | #endif |
| 4476 | |
| 4477 | #if defined(FEAT_FIND_ID) || defined(PROTO) |
| 4478 | /* |
| 4479 | * Find identifiers or defines in included files. |
Bram Moolenaar | 4be06f9 | 2005-07-29 22:36:03 +0000 | [diff] [blame] | 4480 | * if p_ic && (compl_cont_status & CONT_SOL) then ptr must be in lowercase. |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4481 | */ |
| 4482 | /*ARGSUSED*/ |
| 4483 | void |
| 4484 | find_pattern_in_path(ptr, dir, len, whole, skip_comments, |
| 4485 | type, count, action, start_lnum, end_lnum) |
| 4486 | char_u *ptr; /* pointer to search pattern */ |
| 4487 | int dir; /* direction of expansion */ |
| 4488 | int len; /* length of search pattern */ |
| 4489 | int whole; /* match whole words only */ |
| 4490 | int skip_comments; /* don't match inside comments */ |
| 4491 | int type; /* Type of search; are we looking for a type? |
| 4492 | a macro? */ |
| 4493 | long count; |
| 4494 | int action; /* What to do when we find it */ |
| 4495 | linenr_T start_lnum; /* first line to start searching */ |
| 4496 | linenr_T end_lnum; /* last line for searching */ |
| 4497 | { |
| 4498 | SearchedFile *files; /* Stack of included files */ |
| 4499 | SearchedFile *bigger; /* When we need more space */ |
| 4500 | int max_path_depth = 50; |
| 4501 | long match_count = 1; |
| 4502 | |
| 4503 | char_u *pat; |
| 4504 | char_u *new_fname; |
| 4505 | char_u *curr_fname = curbuf->b_fname; |
| 4506 | char_u *prev_fname = NULL; |
| 4507 | linenr_T lnum; |
| 4508 | int depth; |
| 4509 | int depth_displayed; /* For type==CHECK_PATH */ |
| 4510 | int old_files; |
| 4511 | int already_searched; |
| 4512 | char_u *file_line; |
| 4513 | char_u *line; |
| 4514 | char_u *p; |
| 4515 | char_u save_char; |
| 4516 | int define_matched; |
| 4517 | regmatch_T regmatch; |
| 4518 | regmatch_T incl_regmatch; |
| 4519 | regmatch_T def_regmatch; |
| 4520 | int matched = FALSE; |
| 4521 | int did_show = FALSE; |
| 4522 | int found = FALSE; |
| 4523 | int i; |
| 4524 | char_u *already = NULL; |
| 4525 | char_u *startp = NULL; |
Bram Moolenaar | 482aaeb | 2005-09-29 18:26:07 +0000 | [diff] [blame] | 4526 | char_u *inc_opt = NULL; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4527 | #ifdef RISCOS |
| 4528 | int previous_munging = __riscosify_control; |
| 4529 | #endif |
| 4530 | #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) |
| 4531 | win_T *curwin_save = NULL; |
| 4532 | #endif |
| 4533 | |
| 4534 | regmatch.regprog = NULL; |
| 4535 | incl_regmatch.regprog = NULL; |
| 4536 | def_regmatch.regprog = NULL; |
| 4537 | |
| 4538 | file_line = alloc(LSIZE); |
| 4539 | if (file_line == NULL) |
| 4540 | return; |
| 4541 | |
| 4542 | #ifdef RISCOS |
| 4543 | /* UnixLib knows best how to munge c file names - turn munging back on. */ |
Bram Moolenaar | 293ee4d | 2004-12-09 21:34:53 +0000 | [diff] [blame] | 4544 | int __riscosify_control = 0; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4545 | #endif |
| 4546 | |
| 4547 | if (type != CHECK_PATH && type != FIND_DEFINE |
| 4548 | #ifdef FEAT_INS_EXPAND |
| 4549 | /* when CONT_SOL is set compare "ptr" with the beginning of the line |
| 4550 | * is faster than quote_meta/regcomp/regexec "ptr" -- Acevedo */ |
Bram Moolenaar | 4be06f9 | 2005-07-29 22:36:03 +0000 | [diff] [blame] | 4551 | && !(compl_cont_status & CONT_SOL) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4552 | #endif |
| 4553 | ) |
| 4554 | { |
| 4555 | pat = alloc(len + 5); |
| 4556 | if (pat == NULL) |
| 4557 | goto fpip_end; |
| 4558 | sprintf((char *)pat, whole ? "\\<%.*s\\>" : "%.*s", len, ptr); |
| 4559 | /* ignore case according to p_ic, p_scs and pat */ |
| 4560 | regmatch.rm_ic = ignorecase(pat); |
| 4561 | regmatch.regprog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0); |
| 4562 | vim_free(pat); |
| 4563 | if (regmatch.regprog == NULL) |
| 4564 | goto fpip_end; |
| 4565 | } |
Bram Moolenaar | 482aaeb | 2005-09-29 18:26:07 +0000 | [diff] [blame] | 4566 | inc_opt = (*curbuf->b_p_inc == NUL) ? p_inc : curbuf->b_p_inc; |
| 4567 | if (*inc_opt != NUL) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4568 | { |
Bram Moolenaar | 482aaeb | 2005-09-29 18:26:07 +0000 | [diff] [blame] | 4569 | incl_regmatch.regprog = vim_regcomp(inc_opt, p_magic ? RE_MAGIC : 0); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4570 | if (incl_regmatch.regprog == NULL) |
| 4571 | goto fpip_end; |
| 4572 | incl_regmatch.rm_ic = FALSE; /* don't ignore case in incl. pat. */ |
| 4573 | } |
| 4574 | if (type == FIND_DEFINE && (*curbuf->b_p_def != NUL || *p_def != NUL)) |
| 4575 | { |
| 4576 | def_regmatch.regprog = vim_regcomp(*curbuf->b_p_def == NUL |
| 4577 | ? p_def : curbuf->b_p_def, p_magic ? RE_MAGIC : 0); |
| 4578 | if (def_regmatch.regprog == NULL) |
| 4579 | goto fpip_end; |
| 4580 | def_regmatch.rm_ic = FALSE; /* don't ignore case in define pat. */ |
| 4581 | } |
| 4582 | files = (SearchedFile *)lalloc_clear((long_u) |
| 4583 | (max_path_depth * sizeof(SearchedFile)), TRUE); |
| 4584 | if (files == NULL) |
| 4585 | goto fpip_end; |
| 4586 | old_files = max_path_depth; |
| 4587 | depth = depth_displayed = -1; |
| 4588 | |
| 4589 | lnum = start_lnum; |
| 4590 | if (end_lnum > curbuf->b_ml.ml_line_count) |
| 4591 | end_lnum = curbuf->b_ml.ml_line_count; |
| 4592 | if (lnum > end_lnum) /* do at least one line */ |
| 4593 | lnum = end_lnum; |
| 4594 | line = ml_get(lnum); |
| 4595 | |
| 4596 | for (;;) |
| 4597 | { |
| 4598 | if (incl_regmatch.regprog != NULL |
| 4599 | && vim_regexec(&incl_regmatch, line, (colnr_T)0)) |
| 4600 | { |
Bram Moolenaar | 482aaeb | 2005-09-29 18:26:07 +0000 | [diff] [blame] | 4601 | char_u *p_fname = (curr_fname == curbuf->b_fname) |
| 4602 | ? curbuf->b_ffname : curr_fname; |
| 4603 | |
| 4604 | if (inc_opt != NULL && strstr((char *)inc_opt, "\\zs") != NULL) |
| 4605 | /* Use text from '\zs' to '\ze' (or end) of 'include'. */ |
| 4606 | new_fname = find_file_name_in_path(incl_regmatch.startp[0], |
Bram Moolenaar | a93fa7e | 2006-04-17 22:14:47 +0000 | [diff] [blame] | 4607 | (int)(incl_regmatch.endp[0] - incl_regmatch.startp[0]), |
Bram Moolenaar | 482aaeb | 2005-09-29 18:26:07 +0000 | [diff] [blame] | 4608 | FNAME_EXP|FNAME_INCL|FNAME_REL, 1L, p_fname); |
| 4609 | else |
| 4610 | /* Use text after match with 'include'. */ |
| 4611 | new_fname = file_name_in_line(incl_regmatch.endp[0], 0, |
Bram Moolenaar | d1f56e6 | 2006-02-22 21:25:37 +0000 | [diff] [blame] | 4612 | FNAME_EXP|FNAME_INCL|FNAME_REL, 1L, p_fname, NULL); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4613 | already_searched = FALSE; |
| 4614 | if (new_fname != NULL) |
| 4615 | { |
| 4616 | /* Check whether we have already searched in this file */ |
| 4617 | for (i = 0;; i++) |
| 4618 | { |
| 4619 | if (i == depth + 1) |
| 4620 | i = old_files; |
| 4621 | if (i == max_path_depth) |
| 4622 | break; |
| 4623 | if (fullpathcmp(new_fname, files[i].name, TRUE) & FPC_SAME) |
| 4624 | { |
| 4625 | if (type != CHECK_PATH && |
| 4626 | action == ACTION_SHOW_ALL && files[i].matched) |
| 4627 | { |
| 4628 | msg_putchar('\n'); /* cursor below last one */ |
| 4629 | if (!got_int) /* don't display if 'q' |
| 4630 | typed at "--more--" |
| 4631 | mesage */ |
| 4632 | { |
| 4633 | msg_home_replace_hl(new_fname); |
| 4634 | MSG_PUTS(_(" (includes previously listed match)")); |
| 4635 | prev_fname = NULL; |
| 4636 | } |
| 4637 | } |
| 4638 | vim_free(new_fname); |
| 4639 | new_fname = NULL; |
| 4640 | already_searched = TRUE; |
| 4641 | break; |
| 4642 | } |
| 4643 | } |
| 4644 | } |
| 4645 | |
| 4646 | if (type == CHECK_PATH && (action == ACTION_SHOW_ALL |
| 4647 | || (new_fname == NULL && !already_searched))) |
| 4648 | { |
| 4649 | if (did_show) |
| 4650 | msg_putchar('\n'); /* cursor below last one */ |
| 4651 | else |
| 4652 | { |
| 4653 | gotocmdline(TRUE); /* cursor at status line */ |
| 4654 | MSG_PUTS_TITLE(_("--- Included files ")); |
| 4655 | if (action != ACTION_SHOW_ALL) |
| 4656 | MSG_PUTS_TITLE(_("not found ")); |
| 4657 | MSG_PUTS_TITLE(_("in path ---\n")); |
| 4658 | } |
| 4659 | did_show = TRUE; |
| 4660 | while (depth_displayed < depth && !got_int) |
| 4661 | { |
| 4662 | ++depth_displayed; |
| 4663 | for (i = 0; i < depth_displayed; i++) |
| 4664 | MSG_PUTS(" "); |
| 4665 | msg_home_replace(files[depth_displayed].name); |
| 4666 | MSG_PUTS(" -->\n"); |
| 4667 | } |
| 4668 | if (!got_int) /* don't display if 'q' typed |
| 4669 | for "--more--" message */ |
| 4670 | { |
| 4671 | for (i = 0; i <= depth_displayed; i++) |
| 4672 | MSG_PUTS(" "); |
| 4673 | if (new_fname != NULL) |
| 4674 | { |
| 4675 | /* using "new_fname" is more reliable, e.g., when |
| 4676 | * 'includeexpr' is set. */ |
| 4677 | msg_outtrans_attr(new_fname, hl_attr(HLF_D)); |
| 4678 | } |
| 4679 | else |
| 4680 | { |
| 4681 | /* |
| 4682 | * Isolate the file name. |
| 4683 | * Include the surrounding "" or <> if present. |
| 4684 | */ |
| 4685 | for (p = incl_regmatch.endp[0]; !vim_isfilec(*p); p++) |
| 4686 | ; |
| 4687 | for (i = 0; vim_isfilec(p[i]); i++) |
| 4688 | ; |
| 4689 | if (i == 0) |
| 4690 | { |
| 4691 | /* Nothing found, use the rest of the line. */ |
| 4692 | p = incl_regmatch.endp[0]; |
Bram Moolenaar | a93fa7e | 2006-04-17 22:14:47 +0000 | [diff] [blame] | 4693 | i = (int)STRLEN(p); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4694 | } |
| 4695 | else |
| 4696 | { |
| 4697 | if (p[-1] == '"' || p[-1] == '<') |
| 4698 | { |
| 4699 | --p; |
| 4700 | ++i; |
| 4701 | } |
| 4702 | if (p[i] == '"' || p[i] == '>') |
| 4703 | ++i; |
| 4704 | } |
| 4705 | save_char = p[i]; |
| 4706 | p[i] = NUL; |
| 4707 | msg_outtrans_attr(p, hl_attr(HLF_D)); |
| 4708 | p[i] = save_char; |
| 4709 | } |
| 4710 | |
| 4711 | if (new_fname == NULL && action == ACTION_SHOW_ALL) |
| 4712 | { |
| 4713 | if (already_searched) |
| 4714 | MSG_PUTS(_(" (Already listed)")); |
| 4715 | else |
| 4716 | MSG_PUTS(_(" NOT FOUND")); |
| 4717 | } |
| 4718 | } |
| 4719 | out_flush(); /* output each line directly */ |
| 4720 | } |
| 4721 | |
| 4722 | if (new_fname != NULL) |
| 4723 | { |
| 4724 | /* Push the new file onto the file stack */ |
| 4725 | if (depth + 1 == old_files) |
| 4726 | { |
| 4727 | bigger = (SearchedFile *)lalloc((long_u)( |
| 4728 | max_path_depth * 2 * sizeof(SearchedFile)), TRUE); |
| 4729 | if (bigger != NULL) |
| 4730 | { |
| 4731 | for (i = 0; i <= depth; i++) |
| 4732 | bigger[i] = files[i]; |
| 4733 | for (i = depth + 1; i < old_files + max_path_depth; i++) |
| 4734 | { |
| 4735 | bigger[i].fp = NULL; |
| 4736 | bigger[i].name = NULL; |
| 4737 | bigger[i].lnum = 0; |
| 4738 | bigger[i].matched = FALSE; |
| 4739 | } |
| 4740 | for (i = old_files; i < max_path_depth; i++) |
| 4741 | bigger[i + max_path_depth] = files[i]; |
| 4742 | old_files += max_path_depth; |
| 4743 | max_path_depth *= 2; |
| 4744 | vim_free(files); |
| 4745 | files = bigger; |
| 4746 | } |
| 4747 | } |
| 4748 | if ((files[depth + 1].fp = mch_fopen((char *)new_fname, "r")) |
| 4749 | == NULL) |
| 4750 | vim_free(new_fname); |
| 4751 | else |
| 4752 | { |
| 4753 | if (++depth == old_files) |
| 4754 | { |
| 4755 | /* |
| 4756 | * lalloc() for 'bigger' must have failed above. We |
| 4757 | * will forget one of our already visited files now. |
| 4758 | */ |
| 4759 | vim_free(files[old_files].name); |
| 4760 | ++old_files; |
| 4761 | } |
| 4762 | files[depth].name = curr_fname = new_fname; |
| 4763 | files[depth].lnum = 0; |
| 4764 | files[depth].matched = FALSE; |
| 4765 | #ifdef FEAT_INS_EXPAND |
| 4766 | if (action == ACTION_EXPAND) |
| 4767 | { |
Bram Moolenaar | df40adf | 2006-10-14 12:32:39 +0000 | [diff] [blame] | 4768 | msg_hist_off = TRUE; /* reset in msg_trunc_attr() */ |
Bram Moolenaar | 555b280 | 2005-05-19 21:08:39 +0000 | [diff] [blame] | 4769 | vim_snprintf((char*)IObuff, IOSIZE, |
| 4770 | _("Scanning included file: %s"), |
| 4771 | (char *)new_fname); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4772 | msg_trunc_attr(IObuff, TRUE, hl_attr(HLF_R)); |
| 4773 | } |
Bram Moolenaar | 87b5ca5 | 2006-03-04 21:55:31 +0000 | [diff] [blame] | 4774 | else |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4775 | #endif |
Bram Moolenaar | 87b5ca5 | 2006-03-04 21:55:31 +0000 | [diff] [blame] | 4776 | if (p_verbose >= 5) |
| 4777 | { |
| 4778 | verbose_enter(); |
| 4779 | smsg((char_u *)_("Searching included file %s"), |
| 4780 | (char *)new_fname); |
| 4781 | verbose_leave(); |
| 4782 | } |
| 4783 | |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4784 | } |
| 4785 | } |
| 4786 | } |
| 4787 | else |
| 4788 | { |
| 4789 | /* |
| 4790 | * Check if the line is a define (type == FIND_DEFINE) |
| 4791 | */ |
| 4792 | p = line; |
| 4793 | search_line: |
| 4794 | define_matched = FALSE; |
| 4795 | if (def_regmatch.regprog != NULL |
| 4796 | && vim_regexec(&def_regmatch, line, (colnr_T)0)) |
| 4797 | { |
| 4798 | /* |
| 4799 | * Pattern must be first identifier after 'define', so skip |
| 4800 | * to that position before checking for match of pattern. Also |
| 4801 | * don't let it match beyond the end of this identifier. |
| 4802 | */ |
| 4803 | p = def_regmatch.endp[0]; |
| 4804 | while (*p && !vim_iswordc(*p)) |
| 4805 | p++; |
| 4806 | define_matched = TRUE; |
| 4807 | } |
| 4808 | |
| 4809 | /* |
| 4810 | * Look for a match. Don't do this if we are looking for a |
| 4811 | * define and this line didn't match define_prog above. |
| 4812 | */ |
| 4813 | if (def_regmatch.regprog == NULL || define_matched) |
| 4814 | { |
| 4815 | if (define_matched |
| 4816 | #ifdef FEAT_INS_EXPAND |
Bram Moolenaar | 4be06f9 | 2005-07-29 22:36:03 +0000 | [diff] [blame] | 4817 | || (compl_cont_status & CONT_SOL) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4818 | #endif |
| 4819 | ) |
| 4820 | { |
| 4821 | /* compare the first "len" chars from "ptr" */ |
| 4822 | startp = skipwhite(p); |
| 4823 | if (p_ic) |
| 4824 | matched = !MB_STRNICMP(startp, ptr, len); |
| 4825 | else |
| 4826 | matched = !STRNCMP(startp, ptr, len); |
| 4827 | if (matched && define_matched && whole |
| 4828 | && vim_iswordc(startp[len])) |
| 4829 | matched = FALSE; |
| 4830 | } |
| 4831 | else if (regmatch.regprog != NULL |
| 4832 | && vim_regexec(®match, line, (colnr_T)(p - line))) |
| 4833 | { |
| 4834 | matched = TRUE; |
| 4835 | startp = regmatch.startp[0]; |
| 4836 | /* |
| 4837 | * Check if the line is not a comment line (unless we are |
| 4838 | * looking for a define). A line starting with "# define" |
| 4839 | * is not considered to be a comment line. |
| 4840 | */ |
| 4841 | if (!define_matched && skip_comments) |
| 4842 | { |
| 4843 | #ifdef FEAT_COMMENTS |
| 4844 | if ((*line != '#' || |
| 4845 | STRNCMP(skipwhite(line + 1), "define", 6) != 0) |
| 4846 | && get_leader_len(line, NULL, FALSE)) |
| 4847 | matched = FALSE; |
| 4848 | |
| 4849 | /* |
| 4850 | * Also check for a "/ *" or "/ /" before the match. |
| 4851 | * Skips lines like "int backwards; / * normal index |
| 4852 | * * /" when looking for "normal". |
| 4853 | * Note: Doesn't skip "/ *" in comments. |
| 4854 | */ |
| 4855 | p = skipwhite(line); |
| 4856 | if (matched |
| 4857 | || (p[0] == '/' && p[1] == '*') || p[0] == '*') |
| 4858 | #endif |
| 4859 | for (p = line; *p && p < startp; ++p) |
| 4860 | { |
| 4861 | if (matched |
| 4862 | && p[0] == '/' |
| 4863 | && (p[1] == '*' || p[1] == '/')) |
| 4864 | { |
| 4865 | matched = FALSE; |
| 4866 | /* After "//" all text is comment */ |
| 4867 | if (p[1] == '/') |
| 4868 | break; |
| 4869 | ++p; |
| 4870 | } |
| 4871 | else if (!matched && p[0] == '*' && p[1] == '/') |
| 4872 | { |
| 4873 | /* Can find match after "* /". */ |
| 4874 | matched = TRUE; |
| 4875 | ++p; |
| 4876 | } |
| 4877 | } |
| 4878 | } |
| 4879 | } |
| 4880 | } |
| 4881 | } |
| 4882 | if (matched) |
| 4883 | { |
| 4884 | #ifdef FEAT_INS_EXPAND |
| 4885 | if (action == ACTION_EXPAND) |
| 4886 | { |
| 4887 | int reuse = 0; |
| 4888 | int add_r; |
| 4889 | char_u *aux; |
| 4890 | |
| 4891 | if (depth == -1 && lnum == curwin->w_cursor.lnum) |
| 4892 | break; |
| 4893 | found = TRUE; |
| 4894 | aux = p = startp; |
Bram Moolenaar | 4be06f9 | 2005-07-29 22:36:03 +0000 | [diff] [blame] | 4895 | if (compl_cont_status & CONT_ADDING) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4896 | { |
Bram Moolenaar | 4be06f9 | 2005-07-29 22:36:03 +0000 | [diff] [blame] | 4897 | p += compl_length; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4898 | if (vim_iswordp(p)) |
| 4899 | goto exit_matched; |
| 4900 | p = find_word_start(p); |
| 4901 | } |
| 4902 | p = find_word_end(p); |
| 4903 | i = (int)(p - aux); |
| 4904 | |
Bram Moolenaar | 4be06f9 | 2005-07-29 22:36:03 +0000 | [diff] [blame] | 4905 | if ((compl_cont_status & CONT_ADDING) && i == compl_length) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4906 | { |
Bram Moolenaar | 4be06f9 | 2005-07-29 22:36:03 +0000 | [diff] [blame] | 4907 | /* IOSIZE > compl_length, so the STRNCPY works */ |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4908 | STRNCPY(IObuff, aux, i); |
Bram Moolenaar | 89d4032 | 2006-08-29 15:30:07 +0000 | [diff] [blame] | 4909 | |
| 4910 | /* Get the next line: when "depth" < 0 from the current |
| 4911 | * buffer, otherwise from the included file. Jump to |
| 4912 | * exit_matched when past the last line. */ |
| 4913 | if (depth < 0) |
| 4914 | { |
| 4915 | if (lnum >= end_lnum) |
| 4916 | goto exit_matched; |
| 4917 | line = ml_get(++lnum); |
| 4918 | } |
| 4919 | else if (vim_fgets(line = file_line, |
| 4920 | LSIZE, files[depth].fp)) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4921 | goto exit_matched; |
| 4922 | |
| 4923 | /* we read a line, set "already" to check this "line" later |
| 4924 | * if depth >= 0 we'll increase files[depth].lnum far |
| 4925 | * bellow -- Acevedo */ |
| 4926 | already = aux = p = skipwhite(line); |
| 4927 | p = find_word_start(p); |
| 4928 | p = find_word_end(p); |
| 4929 | if (p > aux) |
| 4930 | { |
| 4931 | if (*aux != ')' && IObuff[i-1] != TAB) |
| 4932 | { |
| 4933 | if (IObuff[i-1] != ' ') |
| 4934 | IObuff[i++] = ' '; |
| 4935 | /* IObuf =~ "\(\k\|\i\).* ", thus i >= 2*/ |
| 4936 | if (p_js |
| 4937 | && (IObuff[i-2] == '.' |
| 4938 | || (vim_strchr(p_cpo, CPO_JOINSP) == NULL |
| 4939 | && (IObuff[i-2] == '?' |
| 4940 | || IObuff[i-2] == '!')))) |
| 4941 | IObuff[i++] = ' '; |
| 4942 | } |
| 4943 | /* copy as much as posible of the new word */ |
| 4944 | if (p - aux >= IOSIZE - i) |
| 4945 | p = aux + IOSIZE - i - 1; |
| 4946 | STRNCPY(IObuff + i, aux, p - aux); |
| 4947 | i += (int)(p - aux); |
| 4948 | reuse |= CONT_S_IPOS; |
| 4949 | } |
| 4950 | IObuff[i] = NUL; |
| 4951 | aux = IObuff; |
| 4952 | |
Bram Moolenaar | 4be06f9 | 2005-07-29 22:36:03 +0000 | [diff] [blame] | 4953 | if (i == compl_length) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4954 | goto exit_matched; |
| 4955 | } |
| 4956 | |
Bram Moolenaar | e8c3a14 | 2006-08-29 14:30:35 +0000 | [diff] [blame] | 4957 | add_r = ins_compl_add_infercase(aux, i, p_ic, |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4958 | curr_fname == curbuf->b_fname ? NULL : curr_fname, |
| 4959 | dir, reuse); |
| 4960 | if (add_r == OK) |
| 4961 | /* if dir was BACKWARD then honor it just once */ |
| 4962 | dir = FORWARD; |
Bram Moolenaar | 572cb56 | 2005-08-05 21:35:02 +0000 | [diff] [blame] | 4963 | else if (add_r == FAIL) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 4964 | break; |
| 4965 | } |
| 4966 | else |
| 4967 | #endif |
| 4968 | if (action == ACTION_SHOW_ALL) |
| 4969 | { |
| 4970 | found = TRUE; |
| 4971 | if (!did_show) |
| 4972 | gotocmdline(TRUE); /* cursor at status line */ |
| 4973 | if (curr_fname != prev_fname) |
| 4974 | { |
| 4975 | if (did_show) |
| 4976 | msg_putchar('\n'); /* cursor below last one */ |
| 4977 | if (!got_int) /* don't display if 'q' typed |
| 4978 | at "--more--" mesage */ |
| 4979 | msg_home_replace_hl(curr_fname); |
| 4980 | prev_fname = curr_fname; |
| 4981 | } |
| 4982 | did_show = TRUE; |
| 4983 | if (!got_int) |
| 4984 | show_pat_in_path(line, type, TRUE, action, |
| 4985 | (depth == -1) ? NULL : files[depth].fp, |
| 4986 | (depth == -1) ? &lnum : &files[depth].lnum, |
| 4987 | match_count++); |
| 4988 | |
| 4989 | /* Set matched flag for this file and all the ones that |
| 4990 | * include it */ |
| 4991 | for (i = 0; i <= depth; ++i) |
| 4992 | files[i].matched = TRUE; |
| 4993 | } |
| 4994 | else if (--count <= 0) |
| 4995 | { |
| 4996 | found = TRUE; |
| 4997 | if (depth == -1 && lnum == curwin->w_cursor.lnum |
| 4998 | #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) |
| 4999 | && g_do_tagpreview == 0 |
| 5000 | #endif |
| 5001 | ) |
| 5002 | EMSG(_("E387: Match is on current line")); |
| 5003 | else if (action == ACTION_SHOW) |
| 5004 | { |
| 5005 | show_pat_in_path(line, type, did_show, action, |
| 5006 | (depth == -1) ? NULL : files[depth].fp, |
| 5007 | (depth == -1) ? &lnum : &files[depth].lnum, 1L); |
| 5008 | did_show = TRUE; |
| 5009 | } |
| 5010 | else |
| 5011 | { |
| 5012 | #ifdef FEAT_GUI |
| 5013 | need_mouse_correct = TRUE; |
| 5014 | #endif |
| 5015 | #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) |
| 5016 | /* ":psearch" uses the preview window */ |
| 5017 | if (g_do_tagpreview != 0) |
| 5018 | { |
| 5019 | curwin_save = curwin; |
Bram Moolenaar | d2cec5b | 2006-03-28 21:08:56 +0000 | [diff] [blame] | 5020 | prepare_tagpreview(TRUE); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 5021 | } |
| 5022 | #endif |
| 5023 | if (action == ACTION_SPLIT) |
| 5024 | { |
| 5025 | #ifdef FEAT_WINDOWS |
| 5026 | if (win_split(0, 0) == FAIL) |
| 5027 | #endif |
| 5028 | break; |
| 5029 | #ifdef FEAT_SCROLLBIND |
| 5030 | curwin->w_p_scb = FALSE; |
| 5031 | #endif |
| 5032 | } |
| 5033 | if (depth == -1) |
| 5034 | { |
| 5035 | /* match in current file */ |
| 5036 | #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) |
| 5037 | if (g_do_tagpreview != 0) |
| 5038 | { |
| 5039 | if (getfile(0, curwin_save->w_buffer->b_fname, |
| 5040 | NULL, TRUE, lnum, FALSE) > 0) |
| 5041 | break; /* failed to jump to file */ |
| 5042 | } |
| 5043 | else |
| 5044 | #endif |
| 5045 | setpcmark(); |
| 5046 | curwin->w_cursor.lnum = lnum; |
| 5047 | } |
| 5048 | else |
| 5049 | { |
| 5050 | if (getfile(0, files[depth].name, NULL, TRUE, |
| 5051 | files[depth].lnum, FALSE) > 0) |
| 5052 | break; /* failed to jump to file */ |
| 5053 | /* autocommands may have changed the lnum, we don't |
| 5054 | * want that here */ |
| 5055 | curwin->w_cursor.lnum = files[depth].lnum; |
| 5056 | } |
| 5057 | } |
| 5058 | if (action != ACTION_SHOW) |
| 5059 | { |
| 5060 | curwin->w_cursor.col = (colnr_T) (startp - line); |
| 5061 | curwin->w_set_curswant = TRUE; |
| 5062 | } |
| 5063 | |
| 5064 | #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) |
| 5065 | if (g_do_tagpreview != 0 |
Bram Moolenaar | 997fb4b | 2006-02-17 21:53:23 +0000 | [diff] [blame] | 5066 | && curwin != curwin_save && win_valid(curwin_save)) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 5067 | { |
| 5068 | /* Return cursor to where we were */ |
| 5069 | validate_cursor(); |
| 5070 | redraw_later(VALID); |
| 5071 | win_enter(curwin_save, TRUE); |
| 5072 | } |
| 5073 | #endif |
| 5074 | break; |
| 5075 | } |
| 5076 | #ifdef FEAT_INS_EXPAND |
| 5077 | exit_matched: |
| 5078 | #endif |
| 5079 | matched = FALSE; |
| 5080 | /* look for other matches in the rest of the line if we |
| 5081 | * are not at the end of it already */ |
| 5082 | if (def_regmatch.regprog == NULL |
| 5083 | #ifdef FEAT_INS_EXPAND |
| 5084 | && action == ACTION_EXPAND |
Bram Moolenaar | 4be06f9 | 2005-07-29 22:36:03 +0000 | [diff] [blame] | 5085 | && !(compl_cont_status & CONT_SOL) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 5086 | #endif |
| 5087 | && *(p = startp + 1)) |
| 5088 | goto search_line; |
| 5089 | } |
| 5090 | line_breakcheck(); |
| 5091 | #ifdef FEAT_INS_EXPAND |
| 5092 | if (action == ACTION_EXPAND) |
Bram Moolenaar | 572cb56 | 2005-08-05 21:35:02 +0000 | [diff] [blame] | 5093 | ins_compl_check_keys(30); |
Bram Moolenaar | 4be06f9 | 2005-07-29 22:36:03 +0000 | [diff] [blame] | 5094 | if (got_int || compl_interrupted) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 5095 | #else |
| 5096 | if (got_int) |
| 5097 | #endif |
| 5098 | break; |
| 5099 | |
| 5100 | /* |
| 5101 | * Read the next line. When reading an included file and encountering |
| 5102 | * end-of-file, close the file and continue in the file that included |
| 5103 | * it. |
| 5104 | */ |
| 5105 | while (depth >= 0 && !already |
| 5106 | && vim_fgets(line = file_line, LSIZE, files[depth].fp)) |
| 5107 | { |
| 5108 | fclose(files[depth].fp); |
| 5109 | --old_files; |
| 5110 | files[old_files].name = files[depth].name; |
| 5111 | files[old_files].matched = files[depth].matched; |
| 5112 | --depth; |
| 5113 | curr_fname = (depth == -1) ? curbuf->b_fname |
| 5114 | : files[depth].name; |
| 5115 | if (depth < depth_displayed) |
| 5116 | depth_displayed = depth; |
| 5117 | } |
| 5118 | if (depth >= 0) /* we could read the line */ |
| 5119 | files[depth].lnum++; |
| 5120 | else if (!already) |
| 5121 | { |
| 5122 | if (++lnum > end_lnum) |
| 5123 | break; |
| 5124 | line = ml_get(lnum); |
| 5125 | } |
| 5126 | already = NULL; |
| 5127 | } |
| 5128 | /* End of big for (;;) loop. */ |
| 5129 | |
| 5130 | /* Close any files that are still open. */ |
| 5131 | for (i = 0; i <= depth; i++) |
| 5132 | { |
| 5133 | fclose(files[i].fp); |
| 5134 | vim_free(files[i].name); |
| 5135 | } |
| 5136 | for (i = old_files; i < max_path_depth; i++) |
| 5137 | vim_free(files[i].name); |
| 5138 | vim_free(files); |
| 5139 | |
| 5140 | if (type == CHECK_PATH) |
| 5141 | { |
| 5142 | if (!did_show) |
| 5143 | { |
| 5144 | if (action != ACTION_SHOW_ALL) |
| 5145 | MSG(_("All included files were found")); |
| 5146 | else |
| 5147 | MSG(_("No included files")); |
| 5148 | } |
| 5149 | } |
| 5150 | else if (!found |
| 5151 | #ifdef FEAT_INS_EXPAND |
| 5152 | && action != ACTION_EXPAND |
| 5153 | #endif |
| 5154 | ) |
| 5155 | { |
| 5156 | #ifdef FEAT_INS_EXPAND |
Bram Moolenaar | 4be06f9 | 2005-07-29 22:36:03 +0000 | [diff] [blame] | 5157 | if (got_int || compl_interrupted) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 5158 | #else |
| 5159 | if (got_int) |
| 5160 | #endif |
| 5161 | EMSG(_(e_interr)); |
| 5162 | else if (type == FIND_DEFINE) |
| 5163 | EMSG(_("E388: Couldn't find definition")); |
| 5164 | else |
| 5165 | EMSG(_("E389: Couldn't find pattern")); |
| 5166 | } |
| 5167 | if (action == ACTION_SHOW || action == ACTION_SHOW_ALL) |
| 5168 | msg_end(); |
| 5169 | |
| 5170 | fpip_end: |
| 5171 | vim_free(file_line); |
| 5172 | vim_free(regmatch.regprog); |
| 5173 | vim_free(incl_regmatch.regprog); |
| 5174 | vim_free(def_regmatch.regprog); |
| 5175 | |
| 5176 | #ifdef RISCOS |
| 5177 | /* Restore previous file munging state. */ |
| 5178 | __riscosify_control = previous_munging; |
| 5179 | #endif |
| 5180 | } |
| 5181 | |
| 5182 | static void |
| 5183 | show_pat_in_path(line, type, did_show, action, fp, lnum, count) |
| 5184 | char_u *line; |
| 5185 | int type; |
| 5186 | int did_show; |
| 5187 | int action; |
| 5188 | FILE *fp; |
| 5189 | linenr_T *lnum; |
| 5190 | long count; |
| 5191 | { |
| 5192 | char_u *p; |
| 5193 | |
| 5194 | if (did_show) |
| 5195 | msg_putchar('\n'); /* cursor below last one */ |
Bram Moolenaar | 91170f8 | 2006-05-05 21:15:17 +0000 | [diff] [blame] | 5196 | else if (!msg_silent) |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 5197 | gotocmdline(TRUE); /* cursor at status line */ |
| 5198 | if (got_int) /* 'q' typed at "--more--" message */ |
| 5199 | return; |
| 5200 | for (;;) |
| 5201 | { |
| 5202 | p = line + STRLEN(line) - 1; |
| 5203 | if (fp != NULL) |
| 5204 | { |
| 5205 | /* We used fgets(), so get rid of newline at end */ |
| 5206 | if (p >= line && *p == '\n') |
| 5207 | --p; |
| 5208 | if (p >= line && *p == '\r') |
| 5209 | --p; |
| 5210 | *(p + 1) = NUL; |
| 5211 | } |
| 5212 | if (action == ACTION_SHOW_ALL) |
| 5213 | { |
| 5214 | sprintf((char *)IObuff, "%3ld: ", count); /* show match nr */ |
| 5215 | msg_puts(IObuff); |
| 5216 | sprintf((char *)IObuff, "%4ld", *lnum); /* show line nr */ |
| 5217 | /* Highlight line numbers */ |
| 5218 | msg_puts_attr(IObuff, hl_attr(HLF_N)); |
| 5219 | MSG_PUTS(" "); |
| 5220 | } |
Bram Moolenaar | 26a60b4 | 2005-02-22 08:49:11 +0000 | [diff] [blame] | 5221 | msg_prt_line(line, FALSE); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 5222 | out_flush(); /* show one line at a time */ |
| 5223 | |
| 5224 | /* Definition continues until line that doesn't end with '\' */ |
| 5225 | if (got_int || type != FIND_DEFINE || p < line || *p != '\\') |
| 5226 | break; |
| 5227 | |
| 5228 | if (fp != NULL) |
| 5229 | { |
| 5230 | if (vim_fgets(line, LSIZE, fp)) /* end of file */ |
| 5231 | break; |
| 5232 | ++*lnum; |
| 5233 | } |
| 5234 | else |
| 5235 | { |
| 5236 | if (++*lnum > curbuf->b_ml.ml_line_count) |
| 5237 | break; |
| 5238 | line = ml_get(*lnum); |
| 5239 | } |
| 5240 | msg_putchar('\n'); |
| 5241 | } |
| 5242 | } |
| 5243 | #endif |
| 5244 | |
| 5245 | #ifdef FEAT_VIMINFO |
| 5246 | int |
| 5247 | read_viminfo_search_pattern(virp, force) |
| 5248 | vir_T *virp; |
| 5249 | int force; |
| 5250 | { |
| 5251 | char_u *lp; |
| 5252 | int idx = -1; |
| 5253 | int magic = FALSE; |
| 5254 | int no_scs = FALSE; |
| 5255 | int off_line = FALSE; |
Bram Moolenaar | 943d2b5 | 2005-12-02 00:50:49 +0000 | [diff] [blame] | 5256 | int off_end = 0; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 5257 | long off = 0; |
| 5258 | int setlast = FALSE; |
| 5259 | #ifdef FEAT_SEARCH_EXTRA |
| 5260 | static int hlsearch_on = FALSE; |
| 5261 | #endif |
| 5262 | char_u *val; |
| 5263 | |
| 5264 | /* |
| 5265 | * Old line types: |
| 5266 | * "/pat", "&pat": search/subst. pat |
| 5267 | * "~/pat", "~&pat": last used search/subst. pat |
| 5268 | * New line types: |
| 5269 | * "~h", "~H": hlsearch highlighting off/on |
| 5270 | * "~<magic><smartcase><line><end><off><last><which>pat" |
| 5271 | * <magic>: 'm' off, 'M' on |
| 5272 | * <smartcase>: 's' off, 'S' on |
| 5273 | * <line>: 'L' line offset, 'l' char offset |
| 5274 | * <end>: 'E' from end, 'e' from start |
| 5275 | * <off>: decimal, offset |
| 5276 | * <last>: '~' last used pattern |
| 5277 | * <which>: '/' search pat, '&' subst. pat |
| 5278 | */ |
| 5279 | lp = virp->vir_line; |
| 5280 | if (lp[0] == '~' && (lp[1] == 'm' || lp[1] == 'M')) /* new line type */ |
| 5281 | { |
| 5282 | if (lp[1] == 'M') /* magic on */ |
| 5283 | magic = TRUE; |
| 5284 | if (lp[2] == 's') |
| 5285 | no_scs = TRUE; |
| 5286 | if (lp[3] == 'L') |
| 5287 | off_line = TRUE; |
| 5288 | if (lp[4] == 'E') |
Bram Moolenaar | ed20346 | 2004-06-16 11:19:22 +0000 | [diff] [blame] | 5289 | off_end = SEARCH_END; |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 5290 | lp += 5; |
| 5291 | off = getdigits(&lp); |
| 5292 | } |
| 5293 | if (lp[0] == '~') /* use this pattern for last-used pattern */ |
| 5294 | { |
| 5295 | setlast = TRUE; |
| 5296 | lp++; |
| 5297 | } |
| 5298 | if (lp[0] == '/') |
| 5299 | idx = RE_SEARCH; |
| 5300 | else if (lp[0] == '&') |
| 5301 | idx = RE_SUBST; |
| 5302 | #ifdef FEAT_SEARCH_EXTRA |
| 5303 | else if (lp[0] == 'h') /* ~h: 'hlsearch' highlighting off */ |
| 5304 | hlsearch_on = FALSE; |
| 5305 | else if (lp[0] == 'H') /* ~H: 'hlsearch' highlighting on */ |
| 5306 | hlsearch_on = TRUE; |
| 5307 | #endif |
| 5308 | if (idx >= 0) |
| 5309 | { |
| 5310 | if (force || spats[idx].pat == NULL) |
| 5311 | { |
| 5312 | val = viminfo_readstring(virp, (int)(lp - virp->vir_line + 1), |
| 5313 | TRUE); |
| 5314 | if (val != NULL) |
| 5315 | { |
| 5316 | set_last_search_pat(val, idx, magic, setlast); |
| 5317 | vim_free(val); |
| 5318 | spats[idx].no_scs = no_scs; |
| 5319 | spats[idx].off.line = off_line; |
| 5320 | spats[idx].off.end = off_end; |
| 5321 | spats[idx].off.off = off; |
| 5322 | #ifdef FEAT_SEARCH_EXTRA |
| 5323 | if (setlast) |
| 5324 | no_hlsearch = !hlsearch_on; |
| 5325 | #endif |
| 5326 | } |
| 5327 | } |
| 5328 | } |
| 5329 | return viminfo_readline(virp); |
| 5330 | } |
| 5331 | |
| 5332 | void |
| 5333 | write_viminfo_search_pattern(fp) |
| 5334 | FILE *fp; |
| 5335 | { |
| 5336 | if (get_viminfo_parameter('/') != 0) |
| 5337 | { |
| 5338 | #ifdef FEAT_SEARCH_EXTRA |
| 5339 | fprintf(fp, "\n# hlsearch on (H) or off (h):\n~%c", |
| 5340 | (no_hlsearch || find_viminfo_parameter('h') != NULL) ? 'h' : 'H'); |
| 5341 | #endif |
| 5342 | wvsp_one(fp, RE_SEARCH, "", '/'); |
| 5343 | wvsp_one(fp, RE_SUBST, "Substitute ", '&'); |
| 5344 | } |
| 5345 | } |
| 5346 | |
| 5347 | static void |
| 5348 | wvsp_one(fp, idx, s, sc) |
| 5349 | FILE *fp; /* file to write to */ |
| 5350 | int idx; /* spats[] index */ |
| 5351 | char *s; /* search pat */ |
| 5352 | int sc; /* dir char */ |
| 5353 | { |
| 5354 | if (spats[idx].pat != NULL) |
| 5355 | { |
Bram Moolenaar | a93fa7e | 2006-04-17 22:14:47 +0000 | [diff] [blame] | 5356 | fprintf(fp, _("\n# Last %sSearch Pattern:\n~"), s); |
Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 5357 | /* off.dir is not stored, it's reset to forward */ |
| 5358 | fprintf(fp, "%c%c%c%c%ld%s%c", |
| 5359 | spats[idx].magic ? 'M' : 'm', /* magic */ |
| 5360 | spats[idx].no_scs ? 's' : 'S', /* smartcase */ |
| 5361 | spats[idx].off.line ? 'L' : 'l', /* line offset */ |
| 5362 | spats[idx].off.end ? 'E' : 'e', /* offset from end */ |
| 5363 | spats[idx].off.off, /* offset */ |
| 5364 | last_idx == idx ? "~" : "", /* last used pat */ |
| 5365 | sc); |
| 5366 | viminfo_writestring(fp, spats[idx].pat); |
| 5367 | } |
| 5368 | } |
| 5369 | #endif /* FEAT_VIMINFO */ |