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 /* 11 * buffer.c: functions for dealing with the buffer structure 12 */ 13 14 /* 15 * The buffer list is a double linked list of all buffers. 16 * Each buffer can be in one of these states: 17 * never loaded: BF_NEVERLOADED is set, only the file name is valid 18 * not loaded: b_ml.ml_mfp == NULL, no memfile allocated 19 * hidden: b_nwindows == 0, loaded but not displayed in a window 20 * normal: loaded and displayed in a window 21 * 22 * Instead of storing file names all over the place, each file name is 23 * stored in the buffer list. It can be referenced by a number. 24 * 25 * The current implementation remembers all file names ever used. 26 */ 27 28 #include "vim.h" 29 30 #if defined(FEAT_CMDL_COMPL) || defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) 31 static char_u *buflist_match __ARGS((regprog_T *prog, buf_T *buf)); 32 # define HAVE_BUFLIST_MATCH 33 static char_u *fname_match __ARGS((regprog_T *prog, char_u *name)); 34 #endif 35 static void buflist_setfpos __ARGS((buf_T *buf, win_T *win, linenr_T lnum, colnr_T col, int copy_options)); 36 static wininfo_T *find_wininfo __ARGS((buf_T *buf)); 37 #ifdef UNIX 38 static buf_T *buflist_findname_stat __ARGS((char_u *ffname, struct stat *st)); 39 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname, struct stat *stp)); 40 static int buf_same_ino __ARGS((buf_T *buf, struct stat *stp)); 41 #else 42 static int otherfile_buf __ARGS((buf_T *buf, char_u *ffname)); 43 #endif 44 #ifdef FEAT_TITLE 45 static int ti_change __ARGS((char_u *str, char_u **last)); 46 #endif 47 static void free_buffer __ARGS((buf_T *)); 48 static void free_buffer_stuff __ARGS((buf_T *buf, int free_options)); 49 static void clear_wininfo __ARGS((buf_T *buf)); 50 51 #ifdef UNIX 52 # define dev_T dev_t 53 #else 54 # define dev_T unsigned 55 #endif 56 57 #if defined(FEAT_SIGNS) 58 static void insert_sign __ARGS((buf_T *buf, signlist_T *prev, signlist_T *next, int id, linenr_T lnum, int typenr)); 59 static void buf_delete_signs __ARGS((buf_T *buf)); 60 #endif 61 62 /* 63 * Open current buffer, that is: open the memfile and read the file into memory 64 * return FAIL for failure, OK otherwise 65 */ 66 int 67 open_buffer(read_stdin, eap) 68 int read_stdin; /* read file from stdin */ 69 exarg_T *eap; /* for forced 'ff' and 'fenc' or NULL */ 70 { 71 int retval = OK; 72 #ifdef FEAT_AUTOCMD 73 buf_T *old_curbuf; 74 #endif 75 76 /* 77 * The 'readonly' flag is only set when BF_NEVERLOADED is being reset. 78 * When re-entering the same buffer, it should not change, because the 79 * user may have reset the flag by hand. 80 */ 81 if (readonlymode && curbuf->b_ffname != NULL 82 && (curbuf->b_flags & BF_NEVERLOADED)) 83 curbuf->b_p_ro = TRUE; 84 85 if (ml_open() == FAIL) 86 { 87 /* 88 * There MUST be a memfile, otherwise we can't do anything 89 * If we can't create one for the current buffer, take another buffer 90 */ 91 close_buffer(NULL, curbuf, 0); 92 for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next) 93 if (curbuf->b_ml.ml_mfp != NULL) 94 break; 95 /* 96 * if there is no memfile at all, exit 97 * This is OK, since there are no changes to loose. 98 */ 99 if (curbuf == NULL) 100 { 101 EMSG(_("E82: Cannot allocate any buffer, exiting...")); 102 getout(2); 103 } 104 EMSG(_("E83: Cannot allocate buffer, using other one...")); 105 enter_buffer(curbuf); 106 return FAIL; 107 } 108 109 #ifdef FEAT_AUTOCMD 110 /* The autocommands in readfile() may change the buffer, but only AFTER 111 * reading the file. */ 112 old_curbuf = curbuf; 113 modified_was_set = FALSE; 114 #endif 115 116 /* mark cursor position as being invalid */ 117 changed_line_abv_curs(); 118 119 if (curbuf->b_ffname != NULL 120 #ifdef FEAT_NETBEANS_INTG 121 && netbeansReadFile 122 #endif 123 ) 124 { 125 #ifdef FEAT_NETBEANS_INTG 126 int oldFire = netbeansFireChanges; 127 128 netbeansFireChanges = 0; 129 #endif 130 retval = readfile(curbuf->b_ffname, curbuf->b_fname, 131 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, eap, READ_NEW); 132 #ifdef FEAT_NETBEANS_INTG 133 netbeansFireChanges = oldFire; 134 #endif 135 /* Help buffer is filtered. */ 136 if (curbuf->b_help) 137 fix_help_buffer(); 138 } 139 else if (read_stdin) 140 { 141 int save_bin = curbuf->b_p_bin; 142 linenr_T line_count; 143 144 /* 145 * First read the text in binary mode into the buffer. 146 * Then read from that same buffer and append at the end. This makes 147 * it possible to retry when 'fileformat' or 'fileencoding' was 148 * guessed wrong. 149 */ 150 curbuf->b_p_bin = TRUE; 151 retval = readfile(NULL, NULL, (linenr_T)0, 152 (linenr_T)0, (linenr_T)MAXLNUM, NULL, READ_NEW + READ_STDIN); 153 curbuf->b_p_bin = save_bin; 154 if (retval == OK) 155 { 156 line_count = curbuf->b_ml.ml_line_count; 157 retval = readfile(NULL, NULL, (linenr_T)line_count, 158 (linenr_T)0, (linenr_T)MAXLNUM, eap, READ_BUFFER); 159 if (retval == OK) 160 { 161 /* Delete the binary lines. */ 162 while (--line_count >= 0) 163 ml_delete((linenr_T)1, FALSE); 164 } 165 else 166 { 167 /* Delete the converted lines. */ 168 while (curbuf->b_ml.ml_line_count > line_count) 169 ml_delete(line_count, FALSE); 170 } 171 /* Put the cursor on the first line. */ 172 curwin->w_cursor.lnum = 1; 173 curwin->w_cursor.col = 0; 174 #ifdef FEAT_AUTOCMD 175 # ifdef FEAT_EVAL 176 apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE, 177 curbuf, &retval); 178 # else 179 apply_autocmds(EVENT_STDINREADPOST, NULL, NULL, FALSE, curbuf); 180 # endif 181 #endif 182 } 183 } 184 185 /* if first time loading this buffer, init b_chartab[] */ 186 if (curbuf->b_flags & BF_NEVERLOADED) 187 (void)buf_init_chartab(curbuf, FALSE); 188 189 /* 190 * Set/reset the Changed flag first, autocmds may change the buffer. 191 * Apply the automatic commands, before processing the modelines. 192 * So the modelines have priority over auto commands. 193 */ 194 /* When reading stdin, the buffer contents always needs writing, so set 195 * the changed flag. Unless in readonly mode: "ls | gview -". 196 * When interrupted and 'cpoptions' contains 'i' set changed flag. */ 197 if ((read_stdin && !readonlymode && !bufempty()) 198 #ifdef FEAT_AUTOCMD 199 || modified_was_set /* ":set modified" used in autocmd */ 200 # ifdef FEAT_EVAL 201 || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 202 # endif 203 #endif 204 || (got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL)) 205 changed(); 206 else if (retval != FAIL) 207 unchanged(curbuf, FALSE); 208 save_file_ff(curbuf); /* keep this fileformat */ 209 210 /* require "!" to overwrite the file, because it wasn't read completely */ 211 #ifdef FEAT_EVAL 212 if (aborting()) 213 #else 214 if (got_int) 215 #endif 216 curbuf->b_flags |= BF_READERR; 217 218 #ifdef FEAT_FOLDING 219 /* Need to update automatic folding. Do this before the autocommands, 220 * they may use the fold info. */ 221 foldUpdateAll(curwin); 222 #endif 223 224 #ifdef FEAT_AUTOCMD 225 /* need to set w_topline, unless some autocommand already did that. */ 226 if (!(curwin->w_valid & VALID_TOPLINE)) 227 { 228 curwin->w_topline = 1; 229 # ifdef FEAT_DIFF 230 curwin->w_topfill = 0; 231 # endif 232 } 233 # ifdef FEAT_EVAL 234 apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, &retval); 235 # else 236 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 237 # endif 238 #endif 239 240 if (retval != FAIL) 241 { 242 #ifdef FEAT_AUTOCMD 243 /* 244 * The autocommands may have changed the current buffer. Apply the 245 * modelines to the correct buffer, if it still exists and is loaded. 246 */ 247 if (buf_valid(old_curbuf) && old_curbuf->b_ml.ml_mfp != NULL) 248 { 249 aco_save_T aco; 250 251 /* Go to the buffer that was opened. */ 252 aucmd_prepbuf(&aco, old_curbuf); 253 #endif 254 do_modelines(FALSE); 255 curbuf->b_flags &= ~(BF_CHECK_RO | BF_NEVERLOADED); 256 257 #ifdef FEAT_AUTOCMD 258 # ifdef FEAT_EVAL 259 apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, 260 &retval); 261 # else 262 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 263 # endif 264 265 /* restore curwin/curbuf and a few other things */ 266 aucmd_restbuf(&aco); 267 } 268 #endif 269 } 270 271 return retval; 272 } 273 274 /* 275 * Return TRUE if "buf" points to a valid buffer (in the buffer list). 276 */ 277 int 278 buf_valid(buf) 279 buf_T *buf; 280 { 281 buf_T *bp; 282 283 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 284 if (bp == buf) 285 return TRUE; 286 return FALSE; 287 } 288 289 /* 290 * Close the link to a buffer. 291 * "action" is used when there is no longer a window for the buffer. 292 * It can be: 293 * 0 buffer becomes hidden 294 * DOBUF_UNLOAD buffer is unloaded 295 * DOBUF_DELETE buffer is unloaded and removed from buffer list 296 * DOBUF_WIPE buffer is unloaded and really deleted 297 * When doing all but the first one on the current buffer, the caller should 298 * get a new buffer very soon! 299 * 300 * The 'bufhidden' option can force freeing and deleting. 301 */ 302 void 303 close_buffer(win, buf, action) 304 win_T *win; /* if not NULL, set b_last_cursor */ 305 buf_T *buf; 306 int action; 307 { 308 #ifdef FEAT_AUTOCMD 309 int is_curbuf; 310 int nwindows = buf->b_nwindows; 311 #endif 312 int unload_buf = (action != 0); 313 int del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE); 314 int wipe_buf = (action == DOBUF_WIPE); 315 316 #ifdef FEAT_QUICKFIX 317 /* 318 * Force unloading or deleting when 'bufhidden' says so. 319 * The caller must take care of NOT deleting/freeing when 'bufhidden' is 320 * "hide" (otherwise we could never free or delete a buffer). 321 */ 322 if (buf->b_p_bh[0] == 'd') /* 'bufhidden' == "delete" */ 323 { 324 del_buf = TRUE; 325 unload_buf = TRUE; 326 } 327 else if (buf->b_p_bh[0] == 'w') /* 'bufhidden' == "wipe" */ 328 { 329 del_buf = TRUE; 330 unload_buf = TRUE; 331 wipe_buf = TRUE; 332 } 333 else if (buf->b_p_bh[0] == 'u') /* 'bufhidden' == "unload" */ 334 unload_buf = TRUE; 335 #endif 336 337 if (win != NULL) 338 { 339 /* Set b_last_cursor when closing the last window for the buffer. 340 * Remember the last cursor position and window options of the buffer. 341 * This used to be only for the current window, but then options like 342 * 'foldmethod' may be lost with a ":only" command. */ 343 if (buf->b_nwindows == 1) 344 set_last_cursor(win); 345 buflist_setfpos(buf, win, 346 win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, 347 win->w_cursor.col, TRUE); 348 } 349 350 #ifdef FEAT_AUTOCMD 351 /* When the buffer is no longer in a window, trigger BufWinLeave */ 352 if (buf->b_nwindows == 1) 353 { 354 apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname, 355 FALSE, buf); 356 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 357 return; 358 359 /* When the buffer becomes hidden, but is not unloaded, trigger 360 * BufHidden */ 361 if (!unload_buf) 362 { 363 apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, 364 FALSE, buf); 365 if (!buf_valid(buf)) /* autocmds may delete the buffer */ 366 return; 367 } 368 # ifdef FEAT_EVAL 369 if (aborting()) /* autocmds may abort script processing */ 370 return; 371 # endif 372 } 373 nwindows = buf->b_nwindows; 374 #endif 375 376 /* decrease the link count from windows (unless not in any window) */ 377 if (buf->b_nwindows > 0) 378 --buf->b_nwindows; 379 380 /* Return when a window is displaying the buffer or when it's not 381 * unloaded. */ 382 if (buf->b_nwindows > 0 || !unload_buf) 383 { 384 if (buf == curbuf) 385 u_sync(); /* sync undo before going to another buffer */ 386 return; 387 } 388 389 /* Always remove the buffer when there is no file name. */ 390 if (buf->b_ffname == NULL) 391 del_buf = TRUE; 392 393 /* 394 * Free all things allocated for this buffer. 395 * Also calls the "BufDelete" autocommands when del_buf is TRUE. 396 */ 397 #ifdef FEAT_AUTOCMD 398 /* Remember if we are closing the current buffer. Restore the number of 399 * windows, so that autocommands in buf_freeall() don't get confused. */ 400 is_curbuf = (buf == curbuf); 401 buf->b_nwindows = nwindows; 402 #endif 403 404 buf_freeall(buf, del_buf, wipe_buf); 405 406 #ifdef FEAT_AUTOCMD 407 /* Autocommands may have deleted the buffer. */ 408 if (!buf_valid(buf)) 409 return; 410 # ifdef FEAT_EVAL 411 if (aborting()) /* autocmds may abort script processing */ 412 return; 413 # endif 414 415 /* Autocommands may have opened or closed windows for this buffer. 416 * Decrement the count for the close we do here. */ 417 if (buf->b_nwindows > 0) 418 --buf->b_nwindows; 419 420 /* 421 * It's possible that autocommands change curbuf to the one being deleted. 422 * This might cause the previous curbuf to be deleted unexpectedly. But 423 * in some cases it's OK to delete the curbuf, because a new one is 424 * obtained anyway. Therefore only return if curbuf changed to the 425 * deleted buffer. 426 */ 427 if (buf == curbuf && !is_curbuf) 428 return; 429 #endif 430 431 #ifdef FEAT_NETBEANS_INTG 432 if (usingNetbeans) 433 netbeans_file_closed(buf); 434 #endif 435 #if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP) 436 /* Change directories when the acd option is set on. */ 437 if (p_acd && curbuf->b_ffname != NULL 438 && vim_chdirfile(curbuf->b_ffname) == OK) 439 shorten_fnames(TRUE); 440 #endif 441 442 /* 443 * Remove the buffer from the list. 444 */ 445 if (wipe_buf) 446 { 447 #ifdef FEAT_SUN_WORKSHOP 448 if (usingSunWorkShop) 449 workshop_file_closed_lineno((char *)buf->b_ffname, 450 (int)buf->b_last_cursor.lnum); 451 #endif 452 vim_free(buf->b_ffname); 453 vim_free(buf->b_sfname); 454 if (buf->b_prev == NULL) 455 firstbuf = buf->b_next; 456 else 457 buf->b_prev->b_next = buf->b_next; 458 if (buf->b_next == NULL) 459 lastbuf = buf->b_prev; 460 else 461 buf->b_next->b_prev = buf->b_prev; 462 free_buffer(buf); 463 } 464 else 465 { 466 if (del_buf) 467 { 468 /* Free all internal variables and reset option values, to make 469 * ":bdel" compatible with Vim 5.7. */ 470 free_buffer_stuff(buf, TRUE); 471 472 /* Make it look like a new buffer. */ 473 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 474 475 /* Init the options when loaded again. */ 476 buf->b_p_initialized = FALSE; 477 } 478 buf_clear_file(buf); 479 if (del_buf) 480 buf->b_p_bl = FALSE; 481 } 482 } 483 484 /* 485 * Make buffer not contain a file. 486 */ 487 void 488 buf_clear_file(buf) 489 buf_T *buf; 490 { 491 buf->b_ml.ml_line_count = 1; 492 unchanged(buf, TRUE); 493 #ifndef SHORT_FNAME 494 buf->b_shortname = FALSE; 495 #endif 496 buf->b_p_eol = TRUE; 497 buf->b_start_eol = TRUE; 498 #ifdef FEAT_MBYTE 499 buf->b_p_bomb = FALSE; 500 #endif 501 buf->b_ml.ml_mfp = NULL; 502 buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ 503 #ifdef FEAT_NETBEANS_INTG 504 netbeans_deleted_all_lines(buf); 505 #endif 506 } 507 508 /* 509 * buf_freeall() - free all things allocated for a buffer that are related to 510 * the file. 511 */ 512 /*ARGSUSED*/ 513 void 514 buf_freeall(buf, del_buf, wipe_buf) 515 buf_T *buf; 516 int del_buf; /* buffer is going to be deleted */ 517 int wipe_buf; /* buffer is going to be wiped out */ 518 { 519 #ifdef FEAT_AUTOCMD 520 int is_curbuf = (buf == curbuf); 521 522 apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, FALSE, buf); 523 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 524 return; 525 if (del_buf && buf->b_p_bl) 526 { 527 apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, FALSE, buf); 528 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 529 return; 530 } 531 if (wipe_buf) 532 { 533 apply_autocmds(EVENT_BUFWIPEOUT, buf->b_fname, buf->b_fname, 534 FALSE, buf); 535 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 536 return; 537 } 538 # ifdef FEAT_EVAL 539 if (aborting()) /* autocmds may abort script processing */ 540 return; 541 # endif 542 543 /* 544 * It's possible that autocommands change curbuf to the one being deleted. 545 * This might cause curbuf to be deleted unexpectedly. But in some cases 546 * it's OK to delete the curbuf, because a new one is obtained anyway. 547 * Therefore only return if curbuf changed to the deleted buffer. 548 */ 549 if (buf == curbuf && !is_curbuf) 550 return; 551 #endif 552 #ifdef FEAT_DIFF 553 diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */ 554 #endif 555 #ifdef FEAT_TCL 556 tcl_buffer_free(buf); 557 #endif 558 u_blockfree(buf); /* free the memory allocated for undo */ 559 ml_close(buf, TRUE); /* close and delete the memline/memfile */ 560 buf->b_ml.ml_line_count = 0; /* no lines in buffer */ 561 u_clearall(buf); /* reset all undo information */ 562 #ifdef FEAT_SYN_HL 563 syntax_clear(buf); /* reset syntax info */ 564 #endif 565 buf->b_flags &= ~BF_READERR; /* a read error is no longer relevant */ 566 } 567 568 /* 569 * Free a buffer structure and the things it contains related to the buffer 570 * itself (not the file, that must have been done already). 571 */ 572 static void 573 free_buffer(buf) 574 buf_T *buf; 575 { 576 free_buffer_stuff(buf, TRUE); 577 #ifdef FEAT_MZSCHEME 578 mzscheme_buffer_free(buf); 579 #endif 580 #ifdef FEAT_PERL 581 perl_buf_free(buf); 582 #endif 583 #ifdef FEAT_PYTHON 584 python_buffer_free(buf); 585 #endif 586 #ifdef FEAT_RUBY 587 ruby_buffer_free(buf); 588 #endif 589 #ifdef FEAT_AUTOCMD 590 aubuflocal_remove(buf); 591 #endif 592 vim_free(buf); 593 } 594 595 /* 596 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 597 */ 598 static void 599 free_buffer_stuff(buf, free_options) 600 buf_T *buf; 601 int free_options; /* free options as well */ 602 { 603 if (free_options) 604 { 605 clear_wininfo(buf); /* including window-local options */ 606 free_buf_options(buf, TRUE); 607 } 608 #ifdef FEAT_EVAL 609 vars_clear(&buf->b_vars.dv_hashtab); /* free all internal variables */ 610 hash_init(&buf->b_vars.dv_hashtab); 611 #endif 612 #ifdef FEAT_USR_CMDS 613 uc_clear(&buf->b_ucmds); /* clear local user commands */ 614 #endif 615 #ifdef FEAT_SIGNS 616 buf_delete_signs(buf); /* delete any signs */ 617 #endif 618 #ifdef FEAT_LOCALMAP 619 map_clear_int(buf, MAP_ALL_MODES, TRUE, FALSE); /* clear local mappings */ 620 map_clear_int(buf, MAP_ALL_MODES, TRUE, TRUE); /* clear local abbrevs */ 621 #endif 622 #ifdef FEAT_MBYTE 623 vim_free(buf->b_start_fenc); 624 buf->b_start_fenc = NULL; 625 #endif 626 } 627 628 /* 629 * Free the b_wininfo list for buffer "buf". 630 */ 631 static void 632 clear_wininfo(buf) 633 buf_T *buf; 634 { 635 wininfo_T *wip; 636 637 while (buf->b_wininfo != NULL) 638 { 639 wip = buf->b_wininfo; 640 buf->b_wininfo = wip->wi_next; 641 if (wip->wi_optset) 642 { 643 clear_winopt(&wip->wi_opt); 644 #ifdef FEAT_FOLDING 645 deleteFoldRecurse(&wip->wi_folds); 646 #endif 647 } 648 vim_free(wip); 649 } 650 } 651 652 #if defined(FEAT_LISTCMDS) || defined(PROTO) 653 /* 654 * Go to another buffer. Handles the result of the ATTENTION dialog. 655 */ 656 void 657 goto_buffer(eap, start, dir, count) 658 exarg_T *eap; 659 int start; 660 int dir; 661 int count; 662 { 663 # if defined(FEAT_WINDOWS) \ 664 && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)) 665 buf_T *old_curbuf = curbuf; 666 667 swap_exists_action = SEA_DIALOG; 668 # endif 669 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 670 start, dir, count, eap->forceit); 671 # if defined(FEAT_WINDOWS) \ 672 && (defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG)) 673 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 674 { 675 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 676 cleanup_T cs; 677 678 /* Reset the error/interrupt/exception state here so that 679 * aborting() returns FALSE when closing a window. */ 680 enter_cleanup(&cs); 681 # endif 682 683 /* Quitting means closing the split window, nothing else. */ 684 win_close(curwin, TRUE); 685 swap_exists_action = SEA_NONE; 686 687 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 688 /* Restore the error/interrupt/exception state if not discarded by a 689 * new aborting error, interrupt, or uncaught exception. */ 690 leave_cleanup(&cs); 691 # endif 692 } 693 else 694 handle_swap_exists(old_curbuf); 695 # endif 696 } 697 #endif 698 699 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) || defined(PROTO) 700 /* 701 * Handle the situation of swap_exists_action being set. 702 * It is allowed for "old_curbuf" to be NULL or invalid. 703 */ 704 void 705 handle_swap_exists(old_curbuf) 706 buf_T *old_curbuf; 707 { 708 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 709 cleanup_T cs; 710 # endif 711 712 if (swap_exists_action == SEA_QUIT) 713 { 714 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 715 /* Reset the error/interrupt/exception state here so that 716 * aborting() returns FALSE when closing a buffer. */ 717 enter_cleanup(&cs); 718 # endif 719 720 /* User selected Quit at ATTENTION prompt. Go back to previous 721 * buffer. If that buffer is gone or the same as the current one, 722 * open a new, empty buffer. */ 723 swap_exists_action = SEA_NONE; /* don't want it again */ 724 close_buffer(curwin, curbuf, DOBUF_UNLOAD); 725 if (!buf_valid(old_curbuf) || old_curbuf == curbuf) 726 old_curbuf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED); 727 if (old_curbuf != NULL) 728 enter_buffer(old_curbuf); 729 /* If "old_curbuf" is NULL we are in big trouble here... */ 730 731 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 732 /* Restore the error/interrupt/exception state if not discarded by a 733 * new aborting error, interrupt, or uncaught exception. */ 734 leave_cleanup(&cs); 735 # endif 736 } 737 else if (swap_exists_action == SEA_RECOVER) 738 { 739 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 740 /* Reset the error/interrupt/exception state here so that 741 * aborting() returns FALSE when closing a buffer. */ 742 enter_cleanup(&cs); 743 # endif 744 745 /* User selected Recover at ATTENTION prompt. */ 746 msg_scroll = TRUE; 747 ml_recover(); 748 MSG_PUTS("\n"); /* don't overwrite the last message */ 749 cmdline_row = msg_row; 750 do_modelines(FALSE); 751 752 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 753 /* Restore the error/interrupt/exception state if not discarded by a 754 * new aborting error, interrupt, or uncaught exception. */ 755 leave_cleanup(&cs); 756 # endif 757 } 758 swap_exists_action = SEA_NONE; 759 } 760 #endif 761 762 #if defined(FEAT_LISTCMDS) || defined(PROTO) 763 /* 764 * do_bufdel() - delete or unload buffer(s) 765 * 766 * addr_count == 0: ":bdel" - delete current buffer 767 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 768 * buffer "end_bnr", then any other arguments. 769 * addr_count == 2: ":N,N bdel" - delete buffers in range 770 * 771 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 772 * DOBUF_DEL (":bdel") 773 * 774 * Returns error message or NULL 775 */ 776 char_u * 777 do_bufdel(command, arg, addr_count, start_bnr, end_bnr, forceit) 778 int command; 779 char_u *arg; /* pointer to extra arguments */ 780 int addr_count; 781 int start_bnr; /* first buffer number in a range */ 782 int end_bnr; /* buffer nr or last buffer nr in a range */ 783 int forceit; 784 { 785 int do_current = 0; /* delete current buffer? */ 786 int deleted = 0; /* number of buffers deleted */ 787 char_u *errormsg = NULL; /* return value */ 788 int bnr; /* buffer number */ 789 char_u *p; 790 791 #ifdef FEAT_NETBEANS_INTG 792 netbeansCloseFile = 1; 793 #endif 794 if (addr_count == 0) 795 { 796 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 797 } 798 else 799 { 800 if (addr_count == 2) 801 { 802 if (*arg) /* both range and argument is not allowed */ 803 return (char_u *)_(e_trailing); 804 bnr = start_bnr; 805 } 806 else /* addr_count == 1 */ 807 bnr = end_bnr; 808 809 for ( ;!got_int; ui_breakcheck()) 810 { 811 /* 812 * delete the current buffer last, otherwise when the 813 * current buffer is deleted, the next buffer becomes 814 * the current one and will be loaded, which may then 815 * also be deleted, etc. 816 */ 817 if (bnr == curbuf->b_fnum) 818 do_current = bnr; 819 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 820 forceit) == OK) 821 ++deleted; 822 823 /* 824 * find next buffer number to delete/unload 825 */ 826 if (addr_count == 2) 827 { 828 if (++bnr > end_bnr) 829 break; 830 } 831 else /* addr_count == 1 */ 832 { 833 arg = skipwhite(arg); 834 if (*arg == NUL) 835 break; 836 if (!VIM_ISDIGIT(*arg)) 837 { 838 p = skiptowhite_esc(arg); 839 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, FALSE); 840 if (bnr < 0) /* failed */ 841 break; 842 arg = p; 843 } 844 else 845 bnr = getdigits(&arg); 846 } 847 } 848 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 849 FORWARD, do_current, forceit) == OK) 850 ++deleted; 851 852 if (deleted == 0) 853 { 854 if (command == DOBUF_UNLOAD) 855 STRCPY(IObuff, _("E515: No buffers were unloaded")); 856 else if (command == DOBUF_DEL) 857 STRCPY(IObuff, _("E516: No buffers were deleted")); 858 else 859 STRCPY(IObuff, _("E517: No buffers were wiped out")); 860 errormsg = IObuff; 861 } 862 else if (deleted >= p_report) 863 { 864 if (command == DOBUF_UNLOAD) 865 { 866 if (deleted == 1) 867 MSG(_("1 buffer unloaded")); 868 else 869 smsg((char_u *)_("%d buffers unloaded"), deleted); 870 } 871 else if (command == DOBUF_DEL) 872 { 873 if (deleted == 1) 874 MSG(_("1 buffer deleted")); 875 else 876 smsg((char_u *)_("%d buffers deleted"), deleted); 877 } 878 else 879 { 880 if (deleted == 1) 881 MSG(_("1 buffer wiped out")); 882 else 883 smsg((char_u *)_("%d buffers wiped out"), deleted); 884 } 885 } 886 } 887 888 #ifdef FEAT_NETBEANS_INTG 889 netbeansCloseFile = 0; 890 #endif 891 892 return errormsg; 893 } 894 895 /* 896 * Implementation of the commands for the buffer list. 897 * 898 * action == DOBUF_GOTO go to specified buffer 899 * action == DOBUF_SPLIT split window and go to specified buffer 900 * action == DOBUF_UNLOAD unload specified buffer(s) 901 * action == DOBUF_DEL delete specified buffer(s) from buffer list 902 * action == DOBUF_WIPE delete specified buffer(s) really 903 * 904 * start == DOBUF_CURRENT go to "count" buffer from current buffer 905 * start == DOBUF_FIRST go to "count" buffer from first buffer 906 * start == DOBUF_LAST go to "count" buffer from last buffer 907 * start == DOBUF_MOD go to "count" modified buffer from current buffer 908 * 909 * Return FAIL or OK. 910 */ 911 int 912 do_buffer(action, start, dir, count, forceit) 913 int action; 914 int start; 915 int dir; /* FORWARD or BACKWARD */ 916 int count; /* buffer number or number of buffers */ 917 int forceit; /* TRUE for :...! */ 918 { 919 buf_T *buf; 920 buf_T *bp; 921 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 922 || action == DOBUF_WIPE); 923 924 switch (start) 925 { 926 case DOBUF_FIRST: buf = firstbuf; break; 927 case DOBUF_LAST: buf = lastbuf; break; 928 default: buf = curbuf; break; 929 } 930 if (start == DOBUF_MOD) /* find next modified buffer */ 931 { 932 while (count-- > 0) 933 { 934 do 935 { 936 buf = buf->b_next; 937 if (buf == NULL) 938 buf = firstbuf; 939 } 940 while (buf != curbuf && !bufIsChanged(buf)); 941 } 942 if (!bufIsChanged(buf)) 943 { 944 EMSG(_("E84: No modified buffer found")); 945 return FAIL; 946 } 947 } 948 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 949 { 950 while (buf != NULL && buf->b_fnum != count) 951 buf = buf->b_next; 952 } 953 else 954 { 955 bp = NULL; 956 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 957 { 958 /* remember the buffer where we start, we come back there when all 959 * buffers are unlisted. */ 960 if (bp == NULL) 961 bp = buf; 962 if (dir == FORWARD) 963 { 964 buf = buf->b_next; 965 if (buf == NULL) 966 buf = firstbuf; 967 } 968 else 969 { 970 buf = buf->b_prev; 971 if (buf == NULL) 972 buf = lastbuf; 973 } 974 /* don't count unlisted buffers */ 975 if (unload || buf->b_p_bl) 976 { 977 --count; 978 bp = NULL; /* use this buffer as new starting point */ 979 } 980 if (bp == buf) 981 { 982 /* back where we started, didn't find anything. */ 983 EMSG(_("E85: There is no listed buffer")); 984 return FAIL; 985 } 986 } 987 } 988 989 if (buf == NULL) /* could not find it */ 990 { 991 if (start == DOBUF_FIRST) 992 { 993 /* don't warn when deleting */ 994 if (!unload) 995 EMSGN(_("E86: Buffer %ld does not exist"), count); 996 } 997 else if (dir == FORWARD) 998 EMSG(_("E87: Cannot go beyond last buffer")); 999 else 1000 EMSG(_("E88: Cannot go before first buffer")); 1001 return FAIL; 1002 } 1003 1004 #ifdef FEAT_GUI 1005 need_mouse_correct = TRUE; 1006 #endif 1007 1008 #ifdef FEAT_LISTCMDS 1009 /* 1010 * delete buffer buf from memory and/or the list 1011 */ 1012 if (unload) 1013 { 1014 int forward; 1015 int retval; 1016 1017 /* When unloading or deleting a buffer that's already unloaded and 1018 * unlisted: fail silently. */ 1019 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 1020 return FAIL; 1021 1022 if (!forceit && bufIsChanged(buf)) 1023 { 1024 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1025 if ((p_confirm || cmdmod.confirm) && p_write) 1026 { 1027 dialog_changed(buf, FALSE); 1028 # ifdef FEAT_AUTOCMD 1029 if (!buf_valid(buf)) 1030 /* Autocommand deleted buffer, oops! It's not changed 1031 * now. */ 1032 return FAIL; 1033 # endif 1034 /* If it's still changed fail silently, the dialog already 1035 * mentioned why it fails. */ 1036 if (bufIsChanged(buf)) 1037 return FAIL; 1038 } 1039 else 1040 #endif 1041 { 1042 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 1043 buf->b_fnum); 1044 return FAIL; 1045 } 1046 } 1047 1048 /* 1049 * If deleting the last (listed) buffer, make it empty. 1050 * The last (listed) buffer cannot be unloaded. 1051 */ 1052 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 1053 if (bp->b_p_bl && bp != buf) 1054 break; 1055 if (bp == NULL && buf == curbuf) 1056 { 1057 if (action == DOBUF_UNLOAD) 1058 { 1059 EMSG(_("E90: Cannot unload last buffer")); 1060 return FAIL; 1061 } 1062 1063 /* Close any other windows on this buffer, then make it empty. */ 1064 #ifdef FEAT_WINDOWS 1065 { 1066 win_T *wp, *nextwp; 1067 1068 for (wp = firstwin; wp != NULL; wp = nextwp) 1069 { 1070 nextwp = wp->w_next; 1071 if (wp != curwin && wp->w_buffer == buf) 1072 { 1073 /* Start all over, autocommands may change the window 1074 * layout. */ 1075 nextwp = firstwin; 1076 win_close(wp, FALSE); 1077 } 1078 } 1079 } 1080 #endif 1081 setpcmark(); 1082 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1083 forceit ? ECMD_FORCEIT : 0); 1084 1085 /* 1086 * do_ecmd() may create a new buffer, then we have to delete 1087 * the old one. But do_ecmd() may have done that already, check 1088 * if the buffer still exists. 1089 */ 1090 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows == 0) 1091 close_buffer(NULL, buf, action); 1092 return retval; 1093 } 1094 1095 #ifdef FEAT_WINDOWS 1096 /* 1097 * If the deleted buffer is the current one, close the current window 1098 * (unless it's the only window). 1099 */ 1100 while (buf == curbuf && firstwin != lastwin) 1101 win_close(curwin, FALSE); 1102 #endif 1103 1104 /* 1105 * If the buffer to be deleted is not the current one, delete it here. 1106 */ 1107 if (buf != curbuf) 1108 { 1109 #ifdef FEAT_WINDOWS 1110 close_windows(buf); 1111 #endif 1112 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows <= 0) 1113 close_buffer(NULL, buf, action); 1114 return OK; 1115 } 1116 1117 /* 1118 * Deleting the current buffer: Need to find another buffer to go to. 1119 * There must be another, otherwise it would have been handled above. 1120 * First use au_new_curbuf, if it is valid. 1121 * Then prefer the buffer we most recently visited. 1122 * Else try to find one that is loaded, after the current buffer, 1123 * then before the current buffer. 1124 * Finally use any buffer. 1125 */ 1126 buf = NULL; /* selected buffer */ 1127 bp = NULL; /* used when no loaded buffer found */ 1128 #ifdef FEAT_AUTOCMD 1129 if (au_new_curbuf != NULL && buf_valid(au_new_curbuf)) 1130 buf = au_new_curbuf; 1131 # ifdef FEAT_JUMPLIST 1132 else 1133 # endif 1134 #endif 1135 #ifdef FEAT_JUMPLIST 1136 if (curwin->w_jumplistlen > 0) 1137 { 1138 int jumpidx; 1139 1140 jumpidx = curwin->w_jumplistidx - 1; 1141 if (jumpidx < 0) 1142 jumpidx = curwin->w_jumplistlen - 1; 1143 1144 forward = jumpidx; 1145 while (jumpidx != curwin->w_jumplistidx) 1146 { 1147 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1148 if (buf != NULL) 1149 { 1150 if (buf == curbuf || !buf->b_p_bl) 1151 buf = NULL; /* skip current and unlisted bufs */ 1152 else if (buf->b_ml.ml_mfp == NULL) 1153 { 1154 /* skip unloaded buf, but may keep it for later */ 1155 if (bp == NULL) 1156 bp = buf; 1157 buf = NULL; 1158 } 1159 } 1160 if (buf != NULL) /* found a valid buffer: stop searching */ 1161 break; 1162 /* advance to older entry in jump list */ 1163 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1164 break; 1165 if (--jumpidx < 0) 1166 jumpidx = curwin->w_jumplistlen - 1; 1167 if (jumpidx == forward) /* List exhausted for sure */ 1168 break; 1169 } 1170 } 1171 #endif 1172 1173 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1174 { 1175 forward = TRUE; 1176 buf = curbuf->b_next; 1177 for (;;) 1178 { 1179 if (buf == NULL) 1180 { 1181 if (!forward) /* tried both directions */ 1182 break; 1183 buf = curbuf->b_prev; 1184 forward = FALSE; 1185 continue; 1186 } 1187 /* in non-help buffer, try to skip help buffers, and vv */ 1188 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1189 { 1190 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1191 break; 1192 if (bp == NULL) /* remember unloaded buf for later */ 1193 bp = buf; 1194 } 1195 if (forward) 1196 buf = buf->b_next; 1197 else 1198 buf = buf->b_prev; 1199 } 1200 } 1201 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1202 buf = bp; 1203 if (buf == NULL) /* No loaded buffer, find listed one */ 1204 { 1205 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1206 if (buf->b_p_bl && buf != curbuf) 1207 break; 1208 } 1209 if (buf == NULL) /* Still no buffer, just take one */ 1210 { 1211 if (curbuf->b_next != NULL) 1212 buf = curbuf->b_next; 1213 else 1214 buf = curbuf->b_prev; 1215 } 1216 } 1217 1218 /* 1219 * make buf current buffer 1220 */ 1221 if (action == DOBUF_SPLIT) /* split window first */ 1222 { 1223 # ifdef FEAT_WINDOWS 1224 /* jump to first window containing buf if one exists ("useopen") */ 1225 if (vim_strchr(p_swb, 'u') && buf_jump_open_win(buf)) 1226 return OK; 1227 if (win_split(0, 0) == FAIL) 1228 # endif 1229 return FAIL; 1230 } 1231 #endif 1232 1233 /* go to current buffer - nothing to do */ 1234 if (buf == curbuf) 1235 return OK; 1236 1237 /* 1238 * Check if the current buffer may be abandoned. 1239 */ 1240 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1241 { 1242 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1243 if ((p_confirm || cmdmod.confirm) && p_write) 1244 { 1245 dialog_changed(curbuf, FALSE); 1246 # ifdef FEAT_AUTOCMD 1247 if (!buf_valid(buf)) 1248 /* Autocommand deleted buffer, oops! */ 1249 return FAIL; 1250 # endif 1251 } 1252 if (bufIsChanged(curbuf)) 1253 #endif 1254 { 1255 EMSG(_(e_nowrtmsg)); 1256 return FAIL; 1257 } 1258 } 1259 1260 /* Go to the other buffer. */ 1261 set_curbuf(buf, action); 1262 1263 #if defined(FEAT_LISTCMDS) && defined(FEAT_SCROLLBIND) 1264 if (action == DOBUF_SPLIT) 1265 curwin->w_p_scb = FALSE; /* reset 'scrollbind' */ 1266 #endif 1267 1268 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1269 if (aborting()) /* autocmds may abort script processing */ 1270 return FAIL; 1271 #endif 1272 1273 return OK; 1274 } 1275 1276 #endif /* FEAT_LISTCMDS */ 1277 1278 /* 1279 * Set current buffer to "buf". Executes autocommands and closes current 1280 * buffer. "action" tells how to close the current buffer: 1281 * DOBUF_GOTO free or hide it 1282 * DOBUF_SPLIT nothing 1283 * DOBUF_UNLOAD unload it 1284 * DOBUF_DEL delete it 1285 * DOBUF_WIPE wipe it out 1286 */ 1287 void 1288 set_curbuf(buf, action) 1289 buf_T *buf; 1290 int action; 1291 { 1292 buf_T *prevbuf; 1293 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1294 || action == DOBUF_WIPE); 1295 1296 setpcmark(); 1297 if (!cmdmod.keepalt) 1298 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1299 buflist_altfpos(); /* remember curpos */ 1300 1301 #ifdef FEAT_VISUAL 1302 /* Don't restart Select mode after switching to another buffer. */ 1303 VIsual_reselect = FALSE; 1304 #endif 1305 1306 /* close_windows() or apply_autocmds() may change curbuf */ 1307 prevbuf = curbuf; 1308 1309 #ifdef FEAT_AUTOCMD 1310 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 1311 # ifdef FEAT_EVAL 1312 if (buf_valid(prevbuf) && !aborting()) 1313 # else 1314 if (buf_valid(prevbuf)) 1315 # endif 1316 #endif 1317 { 1318 #ifdef FEAT_WINDOWS 1319 if (unload) 1320 close_windows(prevbuf); 1321 #endif 1322 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1323 if (buf_valid(prevbuf) && !aborting()) 1324 #else 1325 if (buf_valid(prevbuf)) 1326 #endif 1327 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1328 unload ? action : (action == DOBUF_GOTO 1329 && !P_HID(prevbuf) 1330 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0); 1331 } 1332 #ifdef FEAT_AUTOCMD 1333 # ifdef FEAT_EVAL 1334 /* An autocommand may have deleted buf or aborted the script processing! */ 1335 if (buf_valid(buf) && !aborting()) 1336 # else 1337 if (buf_valid(buf)) /* an autocommand may have deleted buf! */ 1338 # endif 1339 #endif 1340 enter_buffer(buf); 1341 } 1342 1343 /* 1344 * Enter a new current buffer. 1345 * Old curbuf must have been abandoned already! 1346 */ 1347 void 1348 enter_buffer(buf) 1349 buf_T *buf; 1350 { 1351 /* Copy buffer and window local option values. Not for a help buffer. */ 1352 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1353 if (!buf->b_help) 1354 get_winopts(buf); 1355 #ifdef FEAT_FOLDING 1356 else 1357 /* Remove all folds in the window. */ 1358 clearFolding(curwin); 1359 foldUpdateAll(curwin); /* update folds (later). */ 1360 #endif 1361 1362 /* Get the buffer in the current window. */ 1363 curwin->w_buffer = buf; 1364 curbuf = buf; 1365 ++curbuf->b_nwindows; 1366 1367 #ifdef FEAT_DIFF 1368 diff_new_buffer(); 1369 #endif 1370 1371 /* Cursor on first line by default. */ 1372 curwin->w_cursor.lnum = 1; 1373 curwin->w_cursor.col = 0; 1374 #ifdef FEAT_VIRTUALEDIT 1375 curwin->w_cursor.coladd = 0; 1376 #endif 1377 curwin->w_set_curswant = TRUE; 1378 1379 /* Make sure the buffer is loaded. */ 1380 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1381 { 1382 #ifdef FEAT_AUTOCMD 1383 /* If there is no filetype, allow for detecting one. Esp. useful for 1384 * ":ball" used in a autocommand. If there already is a filetype we 1385 * might prefer to keep it. */ 1386 if (*curbuf->b_p_ft == NUL) 1387 did_filetype = FALSE; 1388 #endif 1389 1390 open_buffer(FALSE, NULL); 1391 } 1392 else 1393 { 1394 need_fileinfo = TRUE; /* display file info after redraw */ 1395 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1396 #ifdef FEAT_AUTOCMD 1397 curwin->w_topline = 1; 1398 # ifdef FEAT_DIFF 1399 curwin->w_topfill = 0; 1400 # endif 1401 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1402 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1403 #endif 1404 } 1405 1406 /* If autocommands did not change the cursor position, restore cursor lnum 1407 * and possibly cursor col. */ 1408 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1409 buflist_getfpos(); 1410 1411 check_arg_idx(curwin); /* check for valid arg_idx */ 1412 #ifdef FEAT_TITLE 1413 maketitle(); 1414 #endif 1415 #ifdef FEAT_AUTOCMD 1416 if (curwin->w_topline == 1) /* when autocmds didn't change it */ 1417 #endif 1418 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1419 1420 #ifdef FEAT_NETBEANS_INTG 1421 /* Send fileOpened event because we've changed buffers. */ 1422 if (usingNetbeans && isNetbeansBuffer(curbuf)) 1423 netbeans_file_activated(curbuf); 1424 #endif 1425 1426 #if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP) 1427 /* Change directories when the acd option is set on. */ 1428 if (p_acd && curbuf->b_ffname != NULL 1429 && vim_chdirfile(curbuf->b_ffname) == OK) 1430 shorten_fnames(TRUE); 1431 #endif 1432 1433 #ifdef FEAT_KEYMAP 1434 if (curbuf->b_kmap_state & KEYMAP_INIT) 1435 keymap_init(); 1436 #endif 1437 redraw_later(NOT_VALID); 1438 } 1439 1440 /* 1441 * functions for dealing with the buffer list 1442 */ 1443 1444 /* 1445 * Add a file name to the buffer list. Return a pointer to the buffer. 1446 * If the same file name already exists return a pointer to that buffer. 1447 * If it does not exist, or if fname == NULL, a new entry is created. 1448 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1449 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1450 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1451 * This is the ONLY way to create a new buffer. 1452 */ 1453 static int top_file_num = 1; /* highest file number */ 1454 1455 buf_T * 1456 buflist_new(ffname, sfname, lnum, flags) 1457 char_u *ffname; /* full path of fname or relative */ 1458 char_u *sfname; /* short fname or NULL */ 1459 linenr_T lnum; /* preferred cursor line */ 1460 int flags; /* BLN_ defines */ 1461 { 1462 buf_T *buf; 1463 #ifdef UNIX 1464 struct stat st; 1465 #endif 1466 1467 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1468 1469 /* 1470 * If file name already exists in the list, update the entry. 1471 */ 1472 #ifdef UNIX 1473 /* On Unix we can use inode numbers when the file exists. Works better 1474 * for hard links. */ 1475 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1476 st.st_dev = (dev_T)-1; 1477 #endif 1478 if (ffname != NULL && !(flags & BLN_DUMMY) && (buf = 1479 #ifdef UNIX 1480 buflist_findname_stat(ffname, &st) 1481 #else 1482 buflist_findname(ffname) 1483 #endif 1484 ) != NULL) 1485 { 1486 vim_free(ffname); 1487 if (lnum != 0) 1488 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1489 /* copy the options now, if 'cpo' doesn't have 's' and not done 1490 * already */ 1491 buf_copy_options(buf, 0); 1492 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1493 { 1494 buf->b_p_bl = TRUE; 1495 #ifdef FEAT_AUTOCMD 1496 if (!(flags & BLN_DUMMY)) 1497 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1498 #endif 1499 } 1500 return buf; 1501 } 1502 1503 /* 1504 * If the current buffer has no name and no contents, use the current 1505 * buffer. Otherwise: Need to allocate a new buffer structure. 1506 * 1507 * This is the ONLY place where a new buffer structure is allocated! 1508 */ 1509 buf = NULL; 1510 if ((flags & BLN_CURBUF) 1511 && curbuf != NULL 1512 && curbuf->b_ffname == NULL 1513 && curbuf->b_nwindows <= 1 1514 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1515 { 1516 buf = curbuf; 1517 #ifdef FEAT_AUTOCMD 1518 /* It's like this buffer is deleted. Watch out for autocommands that 1519 * change curbuf! If that happens, allocate a new buffer anyway. */ 1520 if (curbuf->b_p_bl) 1521 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1522 if (buf == curbuf) 1523 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1524 # ifdef FEAT_EVAL 1525 if (aborting()) /* autocmds may abort script processing */ 1526 return NULL; 1527 # endif 1528 #endif 1529 #ifdef FEAT_QUICKFIX 1530 # ifdef FEAT_AUTOCMD 1531 if (buf == curbuf) 1532 # endif 1533 { 1534 /* Make sure 'bufhidden' and 'buftype' are empty */ 1535 clear_string_option(&buf->b_p_bh); 1536 clear_string_option(&buf->b_p_bt); 1537 } 1538 #endif 1539 } 1540 if (buf != curbuf || curbuf == NULL) 1541 { 1542 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1543 if (buf == NULL) 1544 { 1545 vim_free(ffname); 1546 return NULL; 1547 } 1548 } 1549 1550 if (ffname != NULL) 1551 { 1552 buf->b_ffname = ffname; 1553 buf->b_sfname = vim_strsave(sfname); 1554 } 1555 1556 clear_wininfo(buf); 1557 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 1558 1559 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 1560 || buf->b_wininfo == NULL) 1561 { 1562 vim_free(buf->b_ffname); 1563 buf->b_ffname = NULL; 1564 vim_free(buf->b_sfname); 1565 buf->b_sfname = NULL; 1566 if (buf != curbuf) 1567 free_buffer(buf); 1568 return NULL; 1569 } 1570 1571 if (buf == curbuf) 1572 { 1573 /* free all things allocated for this buffer */ 1574 buf_freeall(buf, FALSE, FALSE); 1575 if (buf != curbuf) /* autocommands deleted the buffer! */ 1576 return NULL; 1577 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1578 if (aborting()) /* autocmds may abort script processing */ 1579 return NULL; 1580 #endif 1581 /* buf->b_nwindows = 0; why was this here? */ 1582 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1583 #ifdef FEAT_KEYMAP 1584 /* need to reload lmaps and set b:keymap_name */ 1585 curbuf->b_kmap_state |= KEYMAP_INIT; 1586 #endif 1587 } 1588 else 1589 { 1590 /* 1591 * put new buffer at the end of the buffer list 1592 */ 1593 buf->b_next = NULL; 1594 if (firstbuf == NULL) /* buffer list is empty */ 1595 { 1596 buf->b_prev = NULL; 1597 firstbuf = buf; 1598 } 1599 else /* append new buffer at end of list */ 1600 { 1601 lastbuf->b_next = buf; 1602 buf->b_prev = lastbuf; 1603 } 1604 lastbuf = buf; 1605 1606 buf->b_fnum = top_file_num++; 1607 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1608 { 1609 EMSG(_("W14: Warning: List of file names overflow")); 1610 if (emsg_silent == 0) 1611 { 1612 out_flush(); 1613 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1614 } 1615 top_file_num = 1; 1616 } 1617 1618 /* 1619 * Always copy the options from the current buffer. 1620 */ 1621 buf_copy_options(buf, BCO_ALWAYS); 1622 } 1623 1624 buf->b_wininfo->wi_fpos.lnum = lnum; 1625 buf->b_wininfo->wi_win = curwin; 1626 1627 #ifdef FEAT_EVAL 1628 init_var_dict(&buf->b_vars, &buf->b_bufvar); /* init b: variables */ 1629 #endif 1630 #ifdef FEAT_SYN_HL 1631 hash_init(&buf->b_keywtab); 1632 hash_init(&buf->b_keywtab_ic); 1633 #endif 1634 1635 buf->b_fname = buf->b_sfname; 1636 #ifdef UNIX 1637 if (st.st_dev == (dev_T)-1) 1638 buf->b_dev = -1; 1639 else 1640 { 1641 buf->b_dev = st.st_dev; 1642 buf->b_ino = st.st_ino; 1643 } 1644 #endif 1645 buf->b_u_synced = TRUE; 1646 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1647 if (flags & BLN_DUMMY) 1648 buf->b_flags |= BF_DUMMY; 1649 buf_clear_file(buf); 1650 clrallmarks(buf); /* clear marks */ 1651 fmarks_check_names(buf); /* check file marks for this file */ 1652 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1653 #ifdef FEAT_AUTOCMD 1654 if (!(flags & BLN_DUMMY)) 1655 { 1656 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1657 if (flags & BLN_LISTED) 1658 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1659 # ifdef FEAT_EVAL 1660 if (aborting()) /* autocmds may abort script processing */ 1661 return NULL; 1662 # endif 1663 } 1664 #endif 1665 1666 return buf; 1667 } 1668 1669 /* 1670 * Free the memory for the options of a buffer. 1671 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1672 * 'fileencoding'. 1673 */ 1674 void 1675 free_buf_options(buf, free_p_ff) 1676 buf_T *buf; 1677 int free_p_ff; 1678 { 1679 if (free_p_ff) 1680 { 1681 #ifdef FEAT_MBYTE 1682 clear_string_option(&buf->b_p_fenc); 1683 #endif 1684 clear_string_option(&buf->b_p_ff); 1685 #ifdef FEAT_QUICKFIX 1686 clear_string_option(&buf->b_p_bh); 1687 clear_string_option(&buf->b_p_bt); 1688 #endif 1689 } 1690 #ifdef FEAT_FIND_ID 1691 clear_string_option(&buf->b_p_def); 1692 clear_string_option(&buf->b_p_inc); 1693 # ifdef FEAT_EVAL 1694 clear_string_option(&buf->b_p_inex); 1695 # endif 1696 #endif 1697 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1698 clear_string_option(&buf->b_p_inde); 1699 clear_string_option(&buf->b_p_indk); 1700 #endif 1701 #ifdef FEAT_CRYPT 1702 clear_string_option(&buf->b_p_key); 1703 #endif 1704 clear_string_option(&buf->b_p_kp); 1705 clear_string_option(&buf->b_p_mps); 1706 clear_string_option(&buf->b_p_fo); 1707 clear_string_option(&buf->b_p_flp); 1708 clear_string_option(&buf->b_p_isk); 1709 #ifdef FEAT_KEYMAP 1710 clear_string_option(&buf->b_p_keymap); 1711 ga_clear(&buf->b_kmap_ga); 1712 #endif 1713 #ifdef FEAT_COMMENTS 1714 clear_string_option(&buf->b_p_com); 1715 #endif 1716 #ifdef FEAT_FOLDING 1717 clear_string_option(&buf->b_p_cms); 1718 #endif 1719 clear_string_option(&buf->b_p_nf); 1720 #ifdef FEAT_SYN_HL 1721 clear_string_option(&buf->b_p_syn); 1722 clear_string_option(&buf->b_p_spc); 1723 clear_string_option(&buf->b_p_spf); 1724 vim_free(buf->b_cap_prog); 1725 buf->b_cap_prog = NULL; 1726 clear_string_option(&buf->b_p_spl); 1727 #endif 1728 #ifdef FEAT_SEARCHPATH 1729 clear_string_option(&buf->b_p_sua); 1730 #endif 1731 #ifdef FEAT_AUTOCMD 1732 clear_string_option(&buf->b_p_ft); 1733 #endif 1734 #ifdef FEAT_OSFILETYPE 1735 clear_string_option(&buf->b_p_oft); 1736 #endif 1737 #ifdef FEAT_CINDENT 1738 clear_string_option(&buf->b_p_cink); 1739 clear_string_option(&buf->b_p_cino); 1740 #endif 1741 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1742 clear_string_option(&buf->b_p_cinw); 1743 #endif 1744 #ifdef FEAT_INS_EXPAND 1745 clear_string_option(&buf->b_p_cpt); 1746 #endif 1747 #ifdef FEAT_COMPL_FUNC 1748 clear_string_option(&buf->b_p_cfu); 1749 #endif 1750 #ifdef FEAT_QUICKFIX 1751 clear_string_option(&buf->b_p_gp); 1752 clear_string_option(&buf->b_p_mp); 1753 clear_string_option(&buf->b_p_efm); 1754 #endif 1755 clear_string_option(&buf->b_p_ep); 1756 clear_string_option(&buf->b_p_path); 1757 clear_string_option(&buf->b_p_tags); 1758 #ifdef FEAT_INS_EXPAND 1759 clear_string_option(&buf->b_p_dict); 1760 clear_string_option(&buf->b_p_tsr); 1761 #endif 1762 #ifdef FEAT_TEXTOBJ 1763 clear_string_option(&buf->b_p_qe); 1764 #endif 1765 buf->b_p_ar = -1; 1766 } 1767 1768 /* 1769 * get alternate file n 1770 * set linenr to lnum or altfpos.lnum if lnum == 0 1771 * also set cursor column to altfpos.col if 'startofline' is not set. 1772 * if (options & GETF_SETMARK) call setpcmark() 1773 * if (options & GETF_ALT) we are jumping to an alternate file. 1774 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 1775 * 1776 * return FAIL for failure, OK for success 1777 */ 1778 int 1779 buflist_getfile(n, lnum, options, forceit) 1780 int n; 1781 linenr_T lnum; 1782 int options; 1783 int forceit; 1784 { 1785 buf_T *buf; 1786 #ifdef FEAT_WINDOWS 1787 win_T *wp = NULL; 1788 #endif 1789 pos_T *fpos; 1790 colnr_T col; 1791 1792 buf = buflist_findnr(n); 1793 if (buf == NULL) 1794 { 1795 if ((options & GETF_ALT) && n == 0) 1796 EMSG(_(e_noalt)); 1797 else 1798 EMSGN(_("E92: Buffer %ld not found"), n); 1799 return FAIL; 1800 } 1801 1802 /* if alternate file is the current buffer, nothing to do */ 1803 if (buf == curbuf) 1804 return OK; 1805 1806 #ifdef FEAT_CMDWIN 1807 if (cmdwin_type != 0) 1808 return FAIL; 1809 #endif 1810 1811 /* altfpos may be changed by getfile(), get it now */ 1812 if (lnum == 0) 1813 { 1814 fpos = buflist_findfpos(buf); 1815 lnum = fpos->lnum; 1816 col = fpos->col; 1817 } 1818 else 1819 col = 0; 1820 1821 #ifdef FEAT_WINDOWS 1822 if (options & GETF_SWITCH) 1823 { 1824 /* use existing open window for buffer if wanted */ 1825 if (vim_strchr(p_swb, 'u')) /* useopen */ 1826 wp = buf_jump_open_win(buf); 1827 /* split window if wanted ("split") */ 1828 if (wp == NULL && vim_strchr(p_swb, 't') && !bufempty()) 1829 { 1830 if (win_split(0, 0) == FAIL) 1831 return FAIL; 1832 # ifdef FEAT_SCROLLBIND 1833 curwin->w_p_scb = FALSE; 1834 # endif 1835 } 1836 } 1837 #endif 1838 1839 ++RedrawingDisabled; 1840 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 1841 lnum, forceit) <= 0) 1842 { 1843 --RedrawingDisabled; 1844 1845 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 1846 if (!p_sol && col != 0) 1847 { 1848 curwin->w_cursor.col = col; 1849 check_cursor_col(); 1850 #ifdef FEAT_VIRTUALEDIT 1851 curwin->w_cursor.coladd = 0; 1852 #endif 1853 curwin->w_set_curswant = TRUE; 1854 } 1855 return OK; 1856 } 1857 --RedrawingDisabled; 1858 return FAIL; 1859 } 1860 1861 /* 1862 * go to the last know line number for the current buffer 1863 */ 1864 void 1865 buflist_getfpos() 1866 { 1867 pos_T *fpos; 1868 1869 fpos = buflist_findfpos(curbuf); 1870 1871 curwin->w_cursor.lnum = fpos->lnum; 1872 check_cursor_lnum(); 1873 1874 if (p_sol) 1875 curwin->w_cursor.col = 0; 1876 else 1877 { 1878 curwin->w_cursor.col = fpos->col; 1879 check_cursor_col(); 1880 #ifdef FEAT_VIRTUALEDIT 1881 curwin->w_cursor.coladd = 0; 1882 #endif 1883 curwin->w_set_curswant = TRUE; 1884 } 1885 } 1886 1887 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 1888 /* 1889 * Find file in buffer list by name (it has to be for the current window). 1890 * Returns NULL if not found. 1891 */ 1892 buf_T * 1893 buflist_findname_exp(fname) 1894 char_u *fname; 1895 { 1896 char_u *ffname; 1897 buf_T *buf = NULL; 1898 1899 /* First make the name into a full path name */ 1900 ffname = FullName_save(fname, 1901 #ifdef UNIX 1902 TRUE /* force expansion, get rid of symbolic links */ 1903 #else 1904 FALSE 1905 #endif 1906 ); 1907 if (ffname != NULL) 1908 { 1909 buf = buflist_findname(ffname); 1910 vim_free(ffname); 1911 } 1912 return buf; 1913 } 1914 #endif 1915 1916 /* 1917 * Find file in buffer list by name (it has to be for the current window). 1918 * "ffname" must have a full path. 1919 * Skips dummy buffers. 1920 * Returns NULL if not found. 1921 */ 1922 buf_T * 1923 buflist_findname(ffname) 1924 char_u *ffname; 1925 { 1926 #ifdef UNIX 1927 struct stat st; 1928 1929 if (mch_stat((char *)ffname, &st) < 0) 1930 st.st_dev = (dev_T)-1; 1931 return buflist_findname_stat(ffname, &st); 1932 } 1933 1934 /* 1935 * Same as buflist_findname(), but pass the stat structure to avoid getting it 1936 * twice for the same file. 1937 * Returns NULL if not found. 1938 */ 1939 static buf_T * 1940 buflist_findname_stat(ffname, stp) 1941 char_u *ffname; 1942 struct stat *stp; 1943 { 1944 #endif 1945 buf_T *buf; 1946 1947 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1948 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 1949 #ifdef UNIX 1950 , stp 1951 #endif 1952 )) 1953 return buf; 1954 return NULL; 1955 } 1956 1957 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) || defined(PROTO) 1958 /* 1959 * Find file in buffer list by a regexp pattern. 1960 * Return fnum of the found buffer. 1961 * Return < 0 for error. 1962 */ 1963 /*ARGSUSED*/ 1964 int 1965 buflist_findpat(pattern, pattern_end, unlisted, diffmode) 1966 char_u *pattern; 1967 char_u *pattern_end; /* pointer to first char after pattern */ 1968 int unlisted; /* find unlisted buffers */ 1969 int diffmode; /* find diff-mode buffers only */ 1970 { 1971 buf_T *buf; 1972 regprog_T *prog; 1973 int match = -1; 1974 int find_listed; 1975 char_u *pat; 1976 char_u *patend; 1977 int attempt; 1978 char_u *p; 1979 int toggledollar; 1980 1981 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 1982 { 1983 if (*pattern == '%') 1984 match = curbuf->b_fnum; 1985 else 1986 match = curwin->w_alt_fnum; 1987 #ifdef FEAT_DIFF 1988 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 1989 match = -1; 1990 #endif 1991 } 1992 1993 /* 1994 * Try four ways of matching a listed buffer: 1995 * attempt == 0: without '^' or '$' (at any position) 1996 * attempt == 1: with '^' at start (only at postion 0) 1997 * attempt == 2: with '$' at end (only match at end) 1998 * attempt == 3: with '^' at start and '$' at end (only full match) 1999 * Repeat this for finding an unlisted buffer if there was no matching 2000 * listed buffer. 2001 */ 2002 else 2003 { 2004 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2005 if (pat == NULL) 2006 return -1; 2007 patend = pat + STRLEN(pat) - 1; 2008 toggledollar = (patend > pat && *patend == '$'); 2009 2010 /* First try finding a listed buffer. If not found and "unlisted" 2011 * is TRUE, try finding an unlisted buffer. */ 2012 find_listed = TRUE; 2013 for (;;) 2014 { 2015 for (attempt = 0; attempt <= 3; ++attempt) 2016 { 2017 /* may add '^' and '$' */ 2018 if (toggledollar) 2019 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2020 p = pat; 2021 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2022 ++p; 2023 prog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2024 if (prog == NULL) 2025 { 2026 vim_free(pat); 2027 return -1; 2028 } 2029 2030 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2031 if (buf->b_p_bl == find_listed 2032 #ifdef FEAT_DIFF 2033 && (!diffmode || diff_mode_buf(buf)) 2034 #endif 2035 && buflist_match(prog, buf) != NULL) 2036 { 2037 if (match >= 0) /* already found a match */ 2038 { 2039 match = -2; 2040 break; 2041 } 2042 match = buf->b_fnum; /* remember first match */ 2043 } 2044 2045 vim_free(prog); 2046 if (match >= 0) /* found one match */ 2047 break; 2048 } 2049 2050 /* Only search for unlisted buffers if there was no match with 2051 * a listed buffer. */ 2052 if (!unlisted || !find_listed || match != -1) 2053 break; 2054 find_listed = FALSE; 2055 } 2056 2057 vim_free(pat); 2058 } 2059 2060 if (match == -2) 2061 EMSG2(_("E93: More than one match for %s"), pattern); 2062 else if (match < 0) 2063 EMSG2(_("E94: No matching buffer for %s"), pattern); 2064 return match; 2065 } 2066 #endif 2067 2068 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2069 2070 /* 2071 * Find all buffer names that match. 2072 * For command line expansion of ":buf" and ":sbuf". 2073 * Return OK if matches found, FAIL otherwise. 2074 */ 2075 int 2076 ExpandBufnames(pat, num_file, file, options) 2077 char_u *pat; 2078 int *num_file; 2079 char_u ***file; 2080 int options; 2081 { 2082 int count = 0; 2083 buf_T *buf; 2084 int round; 2085 char_u *p; 2086 int attempt; 2087 regprog_T *prog; 2088 char_u *patc; 2089 2090 *num_file = 0; /* return values in case of FAIL */ 2091 *file = NULL; 2092 2093 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2094 if (*pat == '^') 2095 { 2096 patc = alloc((unsigned)STRLEN(pat) + 11); 2097 if (patc == NULL) 2098 return FAIL; 2099 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2100 STRCPY(patc + 11, pat + 1); 2101 } 2102 else 2103 patc = pat; 2104 2105 /* 2106 * attempt == 0: try match with '\<', match at start of word 2107 * attempt == 1: try match without '\<', match anywhere 2108 */ 2109 for (attempt = 0; attempt <= 1; ++attempt) 2110 { 2111 if (attempt > 0 && patc == pat) 2112 break; /* there was no anchor, no need to try again */ 2113 prog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2114 if (prog == NULL) 2115 { 2116 if (patc != pat) 2117 vim_free(patc); 2118 return FAIL; 2119 } 2120 2121 /* 2122 * round == 1: Count the matches. 2123 * round == 2: Build the array to keep the matches. 2124 */ 2125 for (round = 1; round <= 2; ++round) 2126 { 2127 count = 0; 2128 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2129 { 2130 if (!buf->b_p_bl) /* skip unlisted buffers */ 2131 continue; 2132 p = buflist_match(prog, buf); 2133 if (p != NULL) 2134 { 2135 if (round == 1) 2136 ++count; 2137 else 2138 { 2139 if (options & WILD_HOME_REPLACE) 2140 p = home_replace_save(buf, p); 2141 else 2142 p = vim_strsave(p); 2143 (*file)[count++] = p; 2144 } 2145 } 2146 } 2147 if (count == 0) /* no match found, break here */ 2148 break; 2149 if (round == 1) 2150 { 2151 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2152 if (*file == NULL) 2153 { 2154 vim_free(prog); 2155 if (patc != pat) 2156 vim_free(patc); 2157 return FAIL; 2158 } 2159 } 2160 } 2161 vim_free(prog); 2162 if (count) /* match(es) found, break here */ 2163 break; 2164 } 2165 2166 if (patc != pat) 2167 vim_free(patc); 2168 2169 *num_file = count; 2170 return (count == 0 ? FAIL : OK); 2171 } 2172 2173 #endif /* FEAT_CMDL_COMPL */ 2174 2175 #ifdef HAVE_BUFLIST_MATCH 2176 /* 2177 * Check for a match on the file name for buffer "buf" with regprog "prog". 2178 */ 2179 static char_u * 2180 buflist_match(prog, buf) 2181 regprog_T *prog; 2182 buf_T *buf; 2183 { 2184 char_u *match; 2185 2186 /* First try the short file name, then the long file name. */ 2187 match = fname_match(prog, buf->b_sfname); 2188 if (match == NULL) 2189 match = fname_match(prog, buf->b_ffname); 2190 2191 return match; 2192 } 2193 2194 /* 2195 * Try matching the regexp in "prog" with file name "name". 2196 * Return "name" when there is a match, NULL when not. 2197 */ 2198 static char_u * 2199 fname_match(prog, name) 2200 regprog_T *prog; 2201 char_u *name; 2202 { 2203 char_u *match = NULL; 2204 char_u *p; 2205 regmatch_T regmatch; 2206 2207 if (name != NULL) 2208 { 2209 regmatch.regprog = prog; 2210 #ifdef CASE_INSENSITIVE_FILENAME 2211 regmatch.rm_ic = TRUE; /* Always ignore case */ 2212 #else 2213 regmatch.rm_ic = FALSE; /* Never ignore case */ 2214 #endif 2215 2216 if (vim_regexec(®match, name, (colnr_T)0)) 2217 match = name; 2218 else 2219 { 2220 /* Replace $(HOME) with '~' and try matching again. */ 2221 p = home_replace_save(NULL, name); 2222 if (p != NULL && vim_regexec(®match, p, (colnr_T)0)) 2223 match = name; 2224 vim_free(p); 2225 } 2226 } 2227 2228 return match; 2229 } 2230 #endif 2231 2232 /* 2233 * find file in buffer list by number 2234 */ 2235 buf_T * 2236 buflist_findnr(nr) 2237 int nr; 2238 { 2239 buf_T *buf; 2240 2241 if (nr == 0) 2242 nr = curwin->w_alt_fnum; 2243 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2244 if (buf->b_fnum == nr) 2245 return (buf); 2246 return NULL; 2247 } 2248 2249 /* 2250 * Get name of file 'n' in the buffer list. 2251 * When the file has no name an empty string is returned. 2252 * home_replace() is used to shorten the file name (used for marks). 2253 * Returns a pointer to allocated memory, of NULL when failed. 2254 */ 2255 char_u * 2256 buflist_nr2name(n, fullname, helptail) 2257 int n; 2258 int fullname; 2259 int helptail; /* for help buffers return tail only */ 2260 { 2261 buf_T *buf; 2262 2263 buf = buflist_findnr(n); 2264 if (buf == NULL) 2265 return NULL; 2266 return home_replace_save(helptail ? buf : NULL, 2267 fullname ? buf->b_ffname : buf->b_fname); 2268 } 2269 2270 /* 2271 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2272 * When "copy_options" is TRUE save the local window option values. 2273 * When "lnum" is 0 only do the options. 2274 */ 2275 static void 2276 buflist_setfpos(buf, win, lnum, col, copy_options) 2277 buf_T *buf; 2278 win_T *win; 2279 linenr_T lnum; 2280 colnr_T col; 2281 int copy_options; 2282 { 2283 wininfo_T *wip; 2284 2285 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2286 if (wip->wi_win == win) 2287 break; 2288 if (wip == NULL) 2289 { 2290 /* allocate a new entry */ 2291 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2292 if (wip == NULL) 2293 return; 2294 wip->wi_win = win; 2295 if (lnum == 0) /* set lnum even when it's 0 */ 2296 lnum = 1; 2297 } 2298 else 2299 { 2300 /* remove the entry from the list */ 2301 if (wip->wi_prev) 2302 wip->wi_prev->wi_next = wip->wi_next; 2303 else 2304 buf->b_wininfo = wip->wi_next; 2305 if (wip->wi_next) 2306 wip->wi_next->wi_prev = wip->wi_prev; 2307 if (copy_options && wip->wi_optset) 2308 { 2309 clear_winopt(&wip->wi_opt); 2310 #ifdef FEAT_FOLDING 2311 deleteFoldRecurse(&wip->wi_folds); 2312 #endif 2313 } 2314 } 2315 if (lnum != 0) 2316 { 2317 wip->wi_fpos.lnum = lnum; 2318 wip->wi_fpos.col = col; 2319 } 2320 if (copy_options) 2321 { 2322 /* Save the window-specific option values. */ 2323 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2324 #ifdef FEAT_FOLDING 2325 wip->wi_fold_manual = win->w_fold_manual; 2326 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2327 #endif 2328 wip->wi_optset = TRUE; 2329 } 2330 2331 /* insert the entry in front of the list */ 2332 wip->wi_next = buf->b_wininfo; 2333 buf->b_wininfo = wip; 2334 wip->wi_prev = NULL; 2335 if (wip->wi_next) 2336 wip->wi_next->wi_prev = wip; 2337 2338 return; 2339 } 2340 2341 /* 2342 * Find info for the current window in buffer "buf". 2343 * If not found, return the info for the most recently used window. 2344 * Returns NULL when there isn't any info. 2345 */ 2346 static wininfo_T * 2347 find_wininfo(buf) 2348 buf_T *buf; 2349 { 2350 wininfo_T *wip; 2351 2352 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2353 if (wip->wi_win == curwin) 2354 break; 2355 if (wip == NULL) /* if no fpos for curwin, use the first in the list */ 2356 wip = buf->b_wininfo; 2357 return wip; 2358 } 2359 2360 /* 2361 * Reset the local window options to the values last used in this window. 2362 * If the buffer wasn't used in this window before, use the values from 2363 * the most recently used window. If the values were never set, use the 2364 * global values for the window. 2365 */ 2366 void 2367 get_winopts(buf) 2368 buf_T *buf; 2369 { 2370 wininfo_T *wip; 2371 2372 clear_winopt(&curwin->w_onebuf_opt); 2373 #ifdef FEAT_FOLDING 2374 clearFolding(curwin); 2375 #endif 2376 2377 wip = find_wininfo(buf); 2378 if (wip != NULL && wip->wi_optset) 2379 { 2380 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2381 #ifdef FEAT_FOLDING 2382 curwin->w_fold_manual = wip->wi_fold_manual; 2383 curwin->w_foldinvalid = TRUE; 2384 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2385 #endif 2386 } 2387 else 2388 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2389 2390 #ifdef FEAT_FOLDING 2391 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2392 if (p_fdls >= 0) 2393 curwin->w_p_fdl = p_fdls; 2394 #endif 2395 2396 #ifdef FEAT_SYN_HL 2397 if (curwin->w_p_spell && *buf->b_p_spl != NUL) 2398 did_set_spelllang(buf); 2399 #endif 2400 } 2401 2402 /* 2403 * Find the position (lnum and col) for the buffer 'buf' for the current 2404 * window. 2405 * Returns a pointer to no_position if no position is found. 2406 */ 2407 pos_T * 2408 buflist_findfpos(buf) 2409 buf_T *buf; 2410 { 2411 wininfo_T *wip; 2412 static pos_T no_position = {1, 0}; 2413 2414 wip = find_wininfo(buf); 2415 if (wip != NULL) 2416 return &(wip->wi_fpos); 2417 else 2418 return &no_position; 2419 } 2420 2421 /* 2422 * Find the lnum for the buffer 'buf' for the current window. 2423 */ 2424 linenr_T 2425 buflist_findlnum(buf) 2426 buf_T *buf; 2427 { 2428 return buflist_findfpos(buf)->lnum; 2429 } 2430 2431 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2432 /* 2433 * List all know file names (for :files and :buffers command). 2434 */ 2435 /*ARGSUSED*/ 2436 void 2437 buflist_list(eap) 2438 exarg_T *eap; 2439 { 2440 buf_T *buf; 2441 int len; 2442 int i; 2443 2444 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2445 { 2446 /* skip unlisted buffers, unless ! was used */ 2447 if (!buf->b_p_bl && !eap->forceit) 2448 continue; 2449 msg_putchar('\n'); 2450 if (buf_spname(buf) != NULL) 2451 STRCPY(NameBuff, buf_spname(buf)); 2452 else 2453 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2454 2455 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 2456 buf->b_fnum, 2457 buf->b_p_bl ? ' ' : 'u', 2458 buf == curbuf ? '%' : 2459 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2460 buf->b_ml.ml_mfp == NULL ? ' ' : 2461 (buf->b_nwindows == 0 ? 'h' : 'a'), 2462 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2463 (buf->b_flags & BF_READERR) ? 'x' 2464 : (bufIsChanged(buf) ? '+' : ' '), 2465 NameBuff); 2466 2467 /* put "line 999" in column 40 or after the file name */ 2468 i = 40 - vim_strsize(IObuff); 2469 do 2470 { 2471 IObuff[len++] = ' '; 2472 } while (--i > 0 && len < IOSIZE - 18); 2473 vim_snprintf((char *)IObuff + len, IOSIZE - len, _("line %ld"), 2474 buf == curbuf ? curwin->w_cursor.lnum 2475 : (long)buflist_findlnum(buf)); 2476 msg_outtrans(IObuff); 2477 out_flush(); /* output one line at a time */ 2478 ui_breakcheck(); 2479 } 2480 } 2481 #endif 2482 2483 /* 2484 * Get file name and line number for file 'fnum'. 2485 * Used by DoOneCmd() for translating '%' and '#'. 2486 * Used by insert_reg() and cmdline_paste() for '#' register. 2487 * Return FAIL if not found, OK for success. 2488 */ 2489 int 2490 buflist_name_nr(fnum, fname, lnum) 2491 int fnum; 2492 char_u **fname; 2493 linenr_T *lnum; 2494 { 2495 buf_T *buf; 2496 2497 buf = buflist_findnr(fnum); 2498 if (buf == NULL || buf->b_fname == NULL) 2499 return FAIL; 2500 2501 *fname = buf->b_fname; 2502 *lnum = buflist_findlnum(buf); 2503 2504 return OK; 2505 } 2506 2507 /* 2508 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2509 * The file name with the full path is also remembered, for when :cd is used. 2510 * Returns FAIL for failure (file name already in use by other buffer) 2511 * OK otherwise. 2512 */ 2513 int 2514 setfname(buf, ffname, sfname, message) 2515 buf_T *buf; 2516 char_u *ffname, *sfname; 2517 int message; /* give message when buffer already exists */ 2518 { 2519 buf_T *obuf = NULL; 2520 #ifdef UNIX 2521 struct stat st; 2522 #endif 2523 2524 if (ffname == NULL || *ffname == NUL) 2525 { 2526 /* Removing the name. */ 2527 vim_free(buf->b_ffname); 2528 vim_free(buf->b_sfname); 2529 buf->b_ffname = NULL; 2530 buf->b_sfname = NULL; 2531 #ifdef UNIX 2532 st.st_dev = (dev_T)-1; 2533 #endif 2534 } 2535 else 2536 { 2537 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2538 if (ffname == NULL) /* out of memory */ 2539 return FAIL; 2540 2541 /* 2542 * if the file name is already used in another buffer: 2543 * - if the buffer is loaded, fail 2544 * - if the buffer is not loaded, delete it from the list 2545 */ 2546 #ifdef UNIX 2547 if (mch_stat((char *)ffname, &st) < 0) 2548 st.st_dev = (dev_T)-1; 2549 #endif 2550 if (!(buf->b_flags & BF_DUMMY)) 2551 #ifdef UNIX 2552 obuf = buflist_findname_stat(ffname, &st); 2553 #else 2554 obuf = buflist_findname(ffname); 2555 #endif 2556 if (obuf != NULL && obuf != buf) 2557 { 2558 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2559 { 2560 if (message) 2561 EMSG(_("E95: Buffer with this name already exists")); 2562 vim_free(ffname); 2563 return FAIL; 2564 } 2565 close_buffer(NULL, obuf, DOBUF_WIPE); /* delete from the list */ 2566 } 2567 sfname = vim_strsave(sfname); 2568 if (ffname == NULL || sfname == NULL) 2569 { 2570 vim_free(sfname); 2571 vim_free(ffname); 2572 return FAIL; 2573 } 2574 #ifdef USE_FNAME_CASE 2575 # ifdef USE_LONG_FNAME 2576 if (USE_LONG_FNAME) 2577 # endif 2578 fname_case(sfname, 0); /* set correct case for short file name */ 2579 #endif 2580 vim_free(buf->b_ffname); 2581 vim_free(buf->b_sfname); 2582 buf->b_ffname = ffname; 2583 buf->b_sfname = sfname; 2584 } 2585 buf->b_fname = buf->b_sfname; 2586 #ifdef UNIX 2587 if (st.st_dev == (dev_T)-1) 2588 buf->b_dev = -1; 2589 else 2590 { 2591 buf->b_dev = st.st_dev; 2592 buf->b_ino = st.st_ino; 2593 } 2594 #endif 2595 2596 #ifndef SHORT_FNAME 2597 buf->b_shortname = FALSE; 2598 #endif 2599 2600 buf_name_changed(buf); 2601 return OK; 2602 } 2603 2604 /* 2605 * Crude way of changing the name of a buffer. Use with care! 2606 * The name should be relative to the current directory. 2607 */ 2608 void 2609 buf_set_name(fnum, name) 2610 int fnum; 2611 char_u *name; 2612 { 2613 buf_T *buf; 2614 2615 buf = buflist_findnr(fnum); 2616 if (buf != NULL) 2617 { 2618 vim_free(buf->b_sfname); 2619 vim_free(buf->b_ffname); 2620 buf->b_sfname = vim_strsave(name); 2621 buf->b_ffname = FullName_save(buf->b_sfname, FALSE); 2622 buf->b_fname = buf->b_sfname; 2623 } 2624 } 2625 2626 /* 2627 * Take care of what needs to be done when the name of buffer "buf" has 2628 * changed. 2629 */ 2630 void 2631 buf_name_changed(buf) 2632 buf_T *buf; 2633 { 2634 /* 2635 * If the file name changed, also change the name of the swapfile 2636 */ 2637 if (buf->b_ml.ml_mfp != NULL) 2638 ml_setname(buf); 2639 2640 if (curwin->w_buffer == buf) 2641 check_arg_idx(curwin); /* check file name for arg list */ 2642 #ifdef FEAT_TITLE 2643 maketitle(); /* set window title */ 2644 #endif 2645 #ifdef FEAT_WINDOWS 2646 status_redraw_all(); /* status lines need to be redrawn */ 2647 #endif 2648 fmarks_check_names(buf); /* check named file marks */ 2649 ml_timestamp(buf); /* reset timestamp */ 2650 } 2651 2652 /* 2653 * set alternate file name for current window 2654 * 2655 * Used by do_one_cmd(), do_write() and do_ecmd(). 2656 * Return the buffer. 2657 */ 2658 buf_T * 2659 setaltfname(ffname, sfname, lnum) 2660 char_u *ffname; 2661 char_u *sfname; 2662 linenr_T lnum; 2663 { 2664 buf_T *buf; 2665 2666 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2667 buf = buflist_new(ffname, sfname, lnum, 0); 2668 if (buf != NULL && !cmdmod.keepalt) 2669 curwin->w_alt_fnum = buf->b_fnum; 2670 return buf; 2671 } 2672 2673 /* 2674 * Get alternate file name for current window. 2675 * Return NULL if there isn't any, and give error message if requested. 2676 */ 2677 char_u * 2678 getaltfname(errmsg) 2679 int errmsg; /* give error message */ 2680 { 2681 char_u *fname; 2682 linenr_T dummy; 2683 2684 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 2685 { 2686 if (errmsg) 2687 EMSG(_(e_noalt)); 2688 return NULL; 2689 } 2690 return fname; 2691 } 2692 2693 /* 2694 * Add a file name to the buflist and return its number. 2695 * Uses same flags as buflist_new(), except BLN_DUMMY. 2696 * 2697 * used by qf_init(), main() and doarglist() 2698 */ 2699 int 2700 buflist_add(fname, flags) 2701 char_u *fname; 2702 int flags; 2703 { 2704 buf_T *buf; 2705 2706 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 2707 if (buf != NULL) 2708 return buf->b_fnum; 2709 return 0; 2710 } 2711 2712 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 2713 /* 2714 * Adjust slashes in file names. Called after 'shellslash' was set. 2715 */ 2716 void 2717 buflist_slash_adjust() 2718 { 2719 buf_T *bp; 2720 2721 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 2722 { 2723 if (bp->b_ffname != NULL) 2724 slash_adjust(bp->b_ffname); 2725 if (bp->b_sfname != NULL) 2726 slash_adjust(bp->b_sfname); 2727 } 2728 } 2729 #endif 2730 2731 /* 2732 * Set alternate cursor position for current window. 2733 * Also save the local window option values. 2734 */ 2735 void 2736 buflist_altfpos() 2737 { 2738 buflist_setfpos(curbuf, curwin, curwin->w_cursor.lnum, 2739 curwin->w_cursor.col, TRUE); 2740 } 2741 2742 /* 2743 * Return TRUE if 'ffname' is not the same file as current file. 2744 * Fname must have a full path (expanded by mch_FullName()). 2745 */ 2746 int 2747 otherfile(ffname) 2748 char_u *ffname; 2749 { 2750 return otherfile_buf(curbuf, ffname 2751 #ifdef UNIX 2752 , NULL 2753 #endif 2754 ); 2755 } 2756 2757 static int 2758 otherfile_buf(buf, ffname 2759 #ifdef UNIX 2760 , stp 2761 #endif 2762 ) 2763 buf_T *buf; 2764 char_u *ffname; 2765 #ifdef UNIX 2766 struct stat *stp; 2767 #endif 2768 { 2769 /* no name is different */ 2770 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 2771 return TRUE; 2772 if (fnamecmp(ffname, buf->b_ffname) == 0) 2773 return FALSE; 2774 #ifdef UNIX 2775 { 2776 struct stat st; 2777 2778 /* If no struct stat given, get it now */ 2779 if (stp == NULL) 2780 { 2781 if (buf->b_dev < 0 || mch_stat((char *)ffname, &st) < 0) 2782 st.st_dev = (dev_T)-1; 2783 stp = &st; 2784 } 2785 /* Use dev/ino to check if the files are the same, even when the names 2786 * are different (possible with links). Still need to compare the 2787 * name above, for when the file doesn't exist yet. 2788 * Problem: The dev/ino changes when a file is deleted (and created 2789 * again) and remains the same when renamed/moved. We don't want to 2790 * mch_stat() each buffer each time, that would be too slow. Get the 2791 * dev/ino again when they appear to match, but not when they appear 2792 * to be different: Could skip a buffer when it's actually the same 2793 * file. */ 2794 if (buf_same_ino(buf, stp)) 2795 { 2796 buf_setino(buf); 2797 if (buf_same_ino(buf, stp)) 2798 return FALSE; 2799 } 2800 } 2801 #endif 2802 return TRUE; 2803 } 2804 2805 #if defined(UNIX) || defined(PROTO) 2806 /* 2807 * Set inode and device number for a buffer. 2808 * Must always be called when b_fname is changed!. 2809 */ 2810 void 2811 buf_setino(buf) 2812 buf_T *buf; 2813 { 2814 struct stat st; 2815 2816 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 2817 { 2818 buf->b_dev = st.st_dev; 2819 buf->b_ino = st.st_ino; 2820 } 2821 else 2822 buf->b_dev = -1; 2823 } 2824 2825 /* 2826 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 2827 */ 2828 static int 2829 buf_same_ino(buf, stp) 2830 buf_T *buf; 2831 struct stat *stp; 2832 { 2833 return (buf->b_dev >= 0 2834 && stp->st_dev == buf->b_dev 2835 && stp->st_ino == buf->b_ino); 2836 } 2837 #endif 2838 2839 void 2840 fileinfo(fullname, shorthelp, dont_truncate) 2841 int fullname; 2842 int shorthelp; 2843 int dont_truncate; 2844 { 2845 char_u *name; 2846 int n; 2847 char_u *p; 2848 char_u *buffer; 2849 size_t len; 2850 2851 buffer = alloc(IOSIZE); 2852 if (buffer == NULL) 2853 return; 2854 2855 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 2856 { 2857 sprintf((char *)buffer, "buf %d: ", curbuf->b_fnum); 2858 p = buffer + STRLEN(buffer); 2859 } 2860 else 2861 p = buffer; 2862 2863 *p++ = '"'; 2864 if (buf_spname(curbuf) != NULL) 2865 STRCPY(p, buf_spname(curbuf)); 2866 else 2867 { 2868 if (!fullname && curbuf->b_fname != NULL) 2869 name = curbuf->b_fname; 2870 else 2871 name = curbuf->b_ffname; 2872 home_replace(shorthelp ? curbuf : NULL, name, p, 2873 (int)(IOSIZE - (p - buffer)), TRUE); 2874 } 2875 2876 len = STRLEN(buffer); 2877 vim_snprintf((char *)buffer + len, IOSIZE - len, 2878 "\"%s%s%s%s%s%s", 2879 curbufIsChanged() ? (shortmess(SHM_MOD) 2880 ? " [+]" : _(" [Modified]")) : " ", 2881 (curbuf->b_flags & BF_NOTEDITED) 2882 #ifdef FEAT_QUICKFIX 2883 && !bt_dontwrite(curbuf) 2884 #endif 2885 ? _("[Not edited]") : "", 2886 (curbuf->b_flags & BF_NEW) 2887 #ifdef FEAT_QUICKFIX 2888 && !bt_dontwrite(curbuf) 2889 #endif 2890 ? _("[New file]") : "", 2891 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 2892 curbuf->b_p_ro ? (shortmess(SHM_RO) ? "[RO]" 2893 : _("[readonly]")) : "", 2894 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 2895 || curbuf->b_p_ro) ? 2896 " " : ""); 2897 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 2898 * causes an overflow, thus for large numbers divide instead. */ 2899 if (curwin->w_cursor.lnum > 1000000L) 2900 n = (int)(((long)curwin->w_cursor.lnum) / 2901 ((long)curbuf->b_ml.ml_line_count / 100L)); 2902 else 2903 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 2904 (long)curbuf->b_ml.ml_line_count); 2905 len = STRLEN(buffer); 2906 if (curbuf->b_ml.ml_flags & ML_EMPTY) 2907 { 2908 vim_snprintf((char *)buffer + len, IOSIZE - len, "%s", _(no_lines_msg)); 2909 } 2910 #ifdef FEAT_CMDL_INFO 2911 else if (p_ru) 2912 { 2913 /* Current line and column are already on the screen -- webb */ 2914 if (curbuf->b_ml.ml_line_count == 1) 2915 vim_snprintf((char *)buffer + len, IOSIZE - len, 2916 _("1 line --%d%%--"), n); 2917 else 2918 vim_snprintf((char *)buffer + len, IOSIZE - len, 2919 _("%ld lines --%d%%--"), 2920 (long)curbuf->b_ml.ml_line_count, n); 2921 } 2922 #endif 2923 else 2924 { 2925 vim_snprintf((char *)buffer + len, IOSIZE - len, 2926 _("line %ld of %ld --%d%%-- col "), 2927 (long)curwin->w_cursor.lnum, 2928 (long)curbuf->b_ml.ml_line_count, 2929 n); 2930 validate_virtcol(); 2931 col_print(buffer + STRLEN(buffer), 2932 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 2933 } 2934 2935 (void)append_arg_number(curwin, buffer, !shortmess(SHM_FILE), IOSIZE); 2936 2937 if (dont_truncate) 2938 { 2939 /* Temporarily set msg_scroll to avoid the message being truncated. 2940 * First call msg_start() to get the message in the right place. */ 2941 msg_start(); 2942 n = msg_scroll; 2943 msg_scroll = TRUE; 2944 msg(buffer); 2945 msg_scroll = n; 2946 } 2947 else 2948 { 2949 p = msg_trunc_attr(buffer, FALSE, 0); 2950 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 2951 { 2952 /* Need to repeat the message after redrawing when: 2953 * - When restart_edit is set (otherwise there will be a delay 2954 * before redrawing). 2955 * - When the screen was scrolled but there is no wait-return 2956 * prompt. */ 2957 set_keep_msg(p); 2958 keep_msg_attr = 0; 2959 } 2960 } 2961 2962 vim_free(buffer); 2963 } 2964 2965 void 2966 col_print(buf, col, vcol) 2967 char_u *buf; 2968 int col; 2969 int vcol; 2970 { 2971 if (col == vcol) 2972 sprintf((char *)buf, "%d", col); 2973 else 2974 sprintf((char *)buf, "%d-%d", col, vcol); 2975 } 2976 2977 #if defined(FEAT_TITLE) || defined(PROTO) 2978 /* 2979 * put file name in title bar of window and in icon title 2980 */ 2981 2982 static char_u *lasttitle = NULL; 2983 static char_u *lasticon = NULL; 2984 2985 void 2986 maketitle() 2987 { 2988 char_u *p; 2989 char_u *t_str = NULL; 2990 char_u *i_name; 2991 char_u *i_str = NULL; 2992 int maxlen = 0; 2993 int len; 2994 int mustset; 2995 char_u buf[IOSIZE]; 2996 int off; 2997 2998 if (!redrawing()) 2999 { 3000 /* Postpone updating the title when 'lazyredraw' is set. */ 3001 need_maketitle = TRUE; 3002 return; 3003 } 3004 3005 need_maketitle = FALSE; 3006 if (!p_title && !p_icon) 3007 return; 3008 3009 if (p_title) 3010 { 3011 if (p_titlelen > 0) 3012 { 3013 maxlen = p_titlelen * Columns / 100; 3014 if (maxlen < 10) 3015 maxlen = 10; 3016 } 3017 3018 t_str = buf; 3019 if (*p_titlestring != NUL) 3020 { 3021 #ifdef FEAT_STL_OPT 3022 if (stl_syntax & STL_IN_TITLE) 3023 build_stl_str_hl(curwin, t_str, sizeof(buf), 3024 p_titlestring, 0, maxlen, NULL); 3025 else 3026 #endif 3027 t_str = p_titlestring; 3028 } 3029 else 3030 { 3031 /* format: "fname + (path) (1 of 2) - VIM" */ 3032 3033 if (curbuf->b_fname == NULL) 3034 STRCPY(buf, _("[No Name]")); 3035 else 3036 { 3037 p = transstr(gettail(curbuf->b_fname)); 3038 vim_strncpy(buf, p, IOSIZE - 100); 3039 vim_free(p); 3040 } 3041 3042 switch (bufIsChanged(curbuf) 3043 + (curbuf->b_p_ro * 2) 3044 + (!curbuf->b_p_ma * 4)) 3045 { 3046 case 1: STRCAT(buf, " +"); break; 3047 case 2: STRCAT(buf, " ="); break; 3048 case 3: STRCAT(buf, " =+"); break; 3049 case 4: 3050 case 6: STRCAT(buf, " -"); break; 3051 case 5: 3052 case 7: STRCAT(buf, " -+"); break; 3053 } 3054 3055 if (curbuf->b_fname != NULL) 3056 { 3057 /* Get path of file, replace home dir with ~ */ 3058 off = (int)STRLEN(buf); 3059 buf[off++] = ' '; 3060 buf[off++] = '('; 3061 home_replace(curbuf, curbuf->b_ffname, 3062 buf + off, IOSIZE - off, TRUE); 3063 #ifdef BACKSLASH_IN_FILENAME 3064 /* avoid "c:/name" to be reduced to "c" */ 3065 if (isalpha(buf[off]) && buf[off + 1] == ':') 3066 off += 2; 3067 #endif 3068 /* remove the file name */ 3069 p = gettail_sep(buf + off); 3070 if (p == buf + off) 3071 /* must be a help buffer */ 3072 vim_strncpy(buf + off, (char_u *)_("help"), 3073 IOSIZE - off - 1); 3074 else 3075 *p = NUL; 3076 3077 /* translate unprintable chars */ 3078 p = transstr(buf + off); 3079 vim_strncpy(buf + off, p, IOSIZE - off - 1); 3080 vim_free(p); 3081 STRCAT(buf, ")"); 3082 } 3083 3084 append_arg_number(curwin, buf, FALSE, IOSIZE); 3085 3086 #if defined(FEAT_CLIENTSERVER) 3087 if (serverName != NULL) 3088 { 3089 STRCAT(buf, " - "); 3090 STRCAT(buf, serverName); 3091 } 3092 else 3093 #endif 3094 STRCAT(buf, " - VIM"); 3095 3096 if (maxlen > 0) 3097 { 3098 /* make it shorter by removing a bit in the middle */ 3099 len = vim_strsize(buf); 3100 if (len > maxlen) 3101 trunc_string(buf, buf, maxlen); 3102 } 3103 } 3104 } 3105 mustset = ti_change(t_str, &lasttitle); 3106 3107 if (p_icon) 3108 { 3109 i_str = buf; 3110 if (*p_iconstring != NUL) 3111 { 3112 #ifdef FEAT_STL_OPT 3113 if (stl_syntax & STL_IN_ICON) 3114 build_stl_str_hl(curwin, i_str, sizeof(buf), 3115 p_iconstring, 0, 0, NULL); 3116 else 3117 #endif 3118 i_str = p_iconstring; 3119 } 3120 else 3121 { 3122 if (buf_spname(curbuf) != NULL) 3123 i_name = (char_u *)buf_spname(curbuf); 3124 else /* use file name only in icon */ 3125 i_name = gettail(curbuf->b_ffname); 3126 *i_str = NUL; 3127 /* Truncate name at 100 bytes. */ 3128 len = STRLEN(i_name); 3129 if (len > 100) 3130 { 3131 len -= 100; 3132 #ifdef FEAT_MBYTE 3133 if (has_mbyte) 3134 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3135 #endif 3136 i_name += len; 3137 } 3138 STRCPY(i_str, i_name); 3139 trans_characters(i_str, IOSIZE); 3140 } 3141 } 3142 3143 mustset |= ti_change(i_str, &lasticon); 3144 3145 if (mustset) 3146 resettitle(); 3147 } 3148 3149 /* 3150 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3151 * from "str" if it does. 3152 * Return TRUE when "*last" changed. 3153 */ 3154 static int 3155 ti_change(str, last) 3156 char_u *str; 3157 char_u **last; 3158 { 3159 if ((str == NULL) != (*last == NULL) 3160 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3161 { 3162 vim_free(*last); 3163 if (str == NULL) 3164 *last = NULL; 3165 else 3166 *last = vim_strsave(str); 3167 return TRUE; 3168 } 3169 return FALSE; 3170 } 3171 3172 /* 3173 * Put current window title back (used after calling a shell) 3174 */ 3175 void 3176 resettitle() 3177 { 3178 mch_settitle(lasttitle, lasticon); 3179 } 3180 3181 # if defined(EXITFREE) || defined(PROTO) 3182 void 3183 free_titles() 3184 { 3185 vim_free(lasttitle); 3186 vim_free(lasticon); 3187 } 3188 # endif 3189 3190 #endif /* FEAT_TITLE */ 3191 3192 #if defined(FEAT_STL_OPT) || defined(PROTO) 3193 /* 3194 * Build a string from the status line items in fmt. 3195 * Return length of string in screen cells. 3196 * 3197 * Items are drawn interspersed with the text that surrounds it 3198 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3199 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3200 * 3201 * If maxwidth is not zero, the string will be filled at any middle marker 3202 * or truncated if too long, fillchar is used for all whitespace. 3203 */ 3204 int 3205 build_stl_str_hl(wp, out, outlen, fmt, fillchar, maxwidth, hl) 3206 win_T *wp; 3207 char_u *out; /* buffer to write into */ 3208 size_t outlen; /* length of out[] */ 3209 char_u *fmt; 3210 int fillchar; 3211 int maxwidth; 3212 struct stl_hlrec *hl; 3213 { 3214 char_u *p; 3215 char_u *s; 3216 char_u *t; 3217 char_u *linecont; 3218 #ifdef FEAT_EVAL 3219 win_T *o_curwin; 3220 buf_T *o_curbuf; 3221 #endif 3222 int empty_line; 3223 colnr_T virtcol; 3224 long l; 3225 long n; 3226 int prevchar_isflag; 3227 int prevchar_isitem; 3228 int itemisflag; 3229 int fillable; 3230 char_u *str; 3231 long num; 3232 int width; 3233 int itemcnt; 3234 int curitem; 3235 int groupitem[STL_MAX_ITEM]; 3236 int groupdepth; 3237 struct stl_item 3238 { 3239 char_u *start; 3240 int minwid; 3241 int maxwid; 3242 enum 3243 { 3244 Normal, 3245 Empty, 3246 Group, 3247 Middle, 3248 Highlight, 3249 Trunc 3250 } type; 3251 } item[STL_MAX_ITEM]; 3252 int minwid; 3253 int maxwid; 3254 int zeropad; 3255 char_u base; 3256 char_u opt; 3257 #define TMPLEN 70 3258 char_u tmp[TMPLEN]; 3259 3260 if (fillchar == 0) 3261 fillchar = ' '; 3262 /* 3263 * Get line & check if empty (cursorpos will show "0-1"). 3264 * If inversion is possible we use it. Else '=' characters are used. 3265 */ 3266 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3267 empty_line = (*linecont == NUL); 3268 3269 groupdepth = 0; 3270 p = out; 3271 curitem = 0; 3272 prevchar_isflag = TRUE; 3273 prevchar_isitem = FALSE; 3274 for (s = fmt; *s;) 3275 { 3276 if (*s != NUL && *s != '%') 3277 prevchar_isflag = prevchar_isitem = FALSE; 3278 3279 /* 3280 * Handle up to the next '%' or the end. 3281 */ 3282 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3283 *p++ = *s++; 3284 if (*s == NUL || p + 1 >= out + outlen) 3285 break; 3286 3287 /* 3288 * Handle one '%' item. 3289 */ 3290 s++; 3291 if (*s == '%') 3292 { 3293 if (p + 1 >= out + outlen) 3294 break; 3295 *p++ = *s++; 3296 prevchar_isflag = prevchar_isitem = FALSE; 3297 continue; 3298 } 3299 if (*s == STL_MIDDLEMARK) 3300 { 3301 s++; 3302 if (groupdepth > 0) 3303 continue; 3304 item[curitem].type = Middle; 3305 item[curitem++].start = p; 3306 continue; 3307 } 3308 if (*s == STL_TRUNCMARK) 3309 { 3310 s++; 3311 item[curitem].type = Trunc; 3312 item[curitem++].start = p; 3313 continue; 3314 } 3315 if (*s == ')') 3316 { 3317 s++; 3318 if (groupdepth < 1) 3319 continue; 3320 groupdepth--; 3321 3322 t = item[groupitem[groupdepth]].start; 3323 *p = NUL; 3324 l = vim_strsize(t); 3325 if (curitem > groupitem[groupdepth] + 1 3326 && item[groupitem[groupdepth]].minwid == 0) 3327 { 3328 /* remove group if all items are empty */ 3329 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3330 if (item[n].type == Normal) 3331 break; 3332 if (n == curitem) 3333 { 3334 p = t; 3335 l = 0; 3336 } 3337 } 3338 if (l > item[groupitem[groupdepth]].maxwid) 3339 { 3340 /* truncate, remove n bytes of text at the start */ 3341 #ifdef FEAT_MBYTE 3342 if (has_mbyte) 3343 { 3344 /* Find the first character that should be included. */ 3345 n = 0; 3346 while (l >= item[groupitem[groupdepth]].maxwid) 3347 { 3348 l -= ptr2cells(t + n); 3349 n += (*mb_ptr2len_check)(t + n); 3350 } 3351 } 3352 else 3353 #endif 3354 n = (p - t) - item[groupitem[groupdepth]].maxwid + 1; 3355 3356 *t = '<'; 3357 mch_memmove(t + 1, t + n, p - (t + n)); 3358 p = p - n + 1; 3359 #ifdef FEAT_MBYTE 3360 /* Fill up space left over by half a double-wide char. */ 3361 while (++l < item[groupitem[groupdepth]].minwid) 3362 *p++ = fillchar; 3363 #endif 3364 3365 /* correct the start of the items for the truncation */ 3366 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3367 { 3368 item[l].start -= n; 3369 if (item[l].start < t) 3370 item[l].start = t; 3371 } 3372 } 3373 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3374 { 3375 /* fill */ 3376 n = item[groupitem[groupdepth]].minwid; 3377 if (n < 0) 3378 { 3379 /* fill by appending characters */ 3380 n = 0 - n; 3381 while (l++ < n && p + 1 < out + outlen) 3382 *p++ = fillchar; 3383 } 3384 else 3385 { 3386 /* fill by inserting characters */ 3387 mch_memmove(t + n - l, t, p - t); 3388 l = n - l; 3389 if (p + l >= out + outlen) 3390 l = (out + outlen) - p - 1; 3391 p += l; 3392 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3393 item[n].start += l; 3394 for ( ; l > 0; l--) 3395 *t++ = fillchar; 3396 } 3397 } 3398 continue; 3399 } 3400 minwid = 0; 3401 maxwid = 9999; 3402 zeropad = FALSE; 3403 l = 1; 3404 if (*s == '0') 3405 { 3406 s++; 3407 zeropad = TRUE; 3408 } 3409 if (*s == '-') 3410 { 3411 s++; 3412 l = -1; 3413 } 3414 if (VIM_ISDIGIT(*s)) 3415 { 3416 minwid = (int)getdigits(&s); 3417 if (minwid < 0) /* overflow */ 3418 minwid = 0; 3419 } 3420 if (*s == STL_HIGHLIGHT) 3421 { 3422 item[curitem].type = Highlight; 3423 item[curitem].start = p; 3424 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3425 s++; 3426 curitem++; 3427 continue; 3428 } 3429 if (*s == '.') 3430 { 3431 s++; 3432 if (VIM_ISDIGIT(*s)) 3433 { 3434 maxwid = (int)getdigits(&s); 3435 if (maxwid <= 0) /* overflow */ 3436 maxwid = 50; 3437 } 3438 } 3439 minwid = (minwid > 50 ? 50 : minwid) * l; 3440 if (*s == '(') 3441 { 3442 groupitem[groupdepth++] = curitem; 3443 item[curitem].type = Group; 3444 item[curitem].start = p; 3445 item[curitem].minwid = minwid; 3446 item[curitem].maxwid = maxwid; 3447 s++; 3448 curitem++; 3449 continue; 3450 } 3451 if (vim_strchr(STL_ALL, *s) == NULL) 3452 { 3453 s++; 3454 continue; 3455 } 3456 opt = *s++; 3457 3458 /* OK - now for the real work */ 3459 base = 'D'; 3460 itemisflag = FALSE; 3461 fillable = TRUE; 3462 num = -1; 3463 str = NULL; 3464 switch (opt) 3465 { 3466 case STL_FILEPATH: 3467 case STL_FULLPATH: 3468 case STL_FILENAME: 3469 fillable = FALSE; /* don't change ' ' to fillchar */ 3470 if (buf_spname(wp->w_buffer) != NULL) 3471 STRCPY(NameBuff, buf_spname(wp->w_buffer)); 3472 else 3473 { 3474 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3475 : wp->w_buffer->b_fname; 3476 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3477 } 3478 trans_characters(NameBuff, MAXPATHL); 3479 if (opt != STL_FILENAME) 3480 str = NameBuff; 3481 else 3482 str = gettail(NameBuff); 3483 break; 3484 3485 case STL_VIM_EXPR: /* '{' */ 3486 itemisflag = TRUE; 3487 t = p; 3488 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3489 *p++ = *s++; 3490 if (*s != '}') /* missing '}' or out of space */ 3491 break; 3492 s++; 3493 *p = 0; 3494 p = t; 3495 3496 #ifdef FEAT_EVAL 3497 sprintf((char *)tmp, "%d", curbuf->b_fnum); 3498 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3499 3500 o_curbuf = curbuf; 3501 o_curwin = curwin; 3502 curwin = wp; 3503 curbuf = wp->w_buffer; 3504 3505 str = eval_to_string_safe(p, &t); 3506 3507 curwin = o_curwin; 3508 curbuf = o_curbuf; 3509 do_unlet((char_u *)"g:actual_curbuf", TRUE); 3510 3511 if (str != NULL && *str != 0) 3512 { 3513 if (*skipdigits(str) == NUL) 3514 { 3515 num = atoi((char *)str); 3516 vim_free(str); 3517 str = NULL; 3518 itemisflag = FALSE; 3519 } 3520 } 3521 #endif 3522 break; 3523 3524 case STL_LINE: 3525 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3526 ? 0L : (long)(wp->w_cursor.lnum); 3527 break; 3528 3529 case STL_NUMLINES: 3530 num = wp->w_buffer->b_ml.ml_line_count; 3531 break; 3532 3533 case STL_COLUMN: 3534 num = !(State & INSERT) && empty_line 3535 ? 0 : (int)wp->w_cursor.col + 1; 3536 break; 3537 3538 case STL_VIRTCOL: 3539 case STL_VIRTCOL_ALT: 3540 /* In list mode virtcol needs to be recomputed */ 3541 virtcol = wp->w_virtcol; 3542 if (wp->w_p_list && lcs_tab1 == NUL) 3543 { 3544 wp->w_p_list = FALSE; 3545 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3546 wp->w_p_list = TRUE; 3547 } 3548 ++virtcol; 3549 /* Don't display %V if it's the same as %c. */ 3550 if (opt == STL_VIRTCOL_ALT 3551 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3552 ? 0 : (int)wp->w_cursor.col + 1))) 3553 break; 3554 num = (long)virtcol; 3555 break; 3556 3557 case STL_PERCENTAGE: 3558 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3559 (long)wp->w_buffer->b_ml.ml_line_count); 3560 break; 3561 3562 case STL_ALTPERCENT: 3563 str = tmp; 3564 get_rel_pos(wp, str); 3565 break; 3566 3567 case STL_ARGLISTSTAT: 3568 fillable = FALSE; 3569 tmp[0] = 0; 3570 if (append_arg_number(wp, tmp, FALSE, (int)sizeof(tmp))) 3571 str = tmp; 3572 break; 3573 3574 case STL_KEYMAP: 3575 fillable = FALSE; 3576 if (get_keymap_str(wp, tmp, TMPLEN)) 3577 str = tmp; 3578 break; 3579 case STL_PAGENUM: 3580 #ifdef FEAT_PRINTER 3581 num = get_printer_page_num(); 3582 #else 3583 num = 0; 3584 #endif 3585 break; 3586 3587 case STL_BUFNO: 3588 num = wp->w_buffer->b_fnum; 3589 break; 3590 3591 case STL_OFFSET_X: 3592 base = 'X'; 3593 case STL_OFFSET: 3594 #ifdef FEAT_BYTEOFF 3595 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3596 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3597 0L : l + 1 + (!(State & INSERT) && empty_line ? 3598 0 : (int)wp->w_cursor.col); 3599 #endif 3600 break; 3601 3602 case STL_BYTEVAL_X: 3603 base = 'X'; 3604 case STL_BYTEVAL: 3605 if (((State & INSERT) && wp == curwin) || empty_line) 3606 num = 0; 3607 else 3608 { 3609 #ifdef FEAT_MBYTE 3610 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3611 #else 3612 num = linecont[wp->w_cursor.col]; 3613 #endif 3614 } 3615 if (num == NL) 3616 num = 0; 3617 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3618 num = NL; 3619 break; 3620 3621 case STL_ROFLAG: 3622 case STL_ROFLAG_ALT: 3623 itemisflag = TRUE; 3624 if (wp->w_buffer->b_p_ro) 3625 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3626 break; 3627 3628 case STL_HELPFLAG: 3629 case STL_HELPFLAG_ALT: 3630 itemisflag = TRUE; 3631 if (wp->w_buffer->b_help) 3632 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3633 : _("[help]")); 3634 break; 3635 3636 #ifdef FEAT_AUTOCMD 3637 case STL_FILETYPE: 3638 if (*wp->w_buffer->b_p_ft != NUL 3639 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3640 { 3641 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 3642 wp->w_buffer->b_p_ft); 3643 str = tmp; 3644 } 3645 break; 3646 3647 case STL_FILETYPE_ALT: 3648 itemisflag = TRUE; 3649 if (*wp->w_buffer->b_p_ft != NUL 3650 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3651 { 3652 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 3653 wp->w_buffer->b_p_ft); 3654 for (t = tmp; *t != 0; t++) 3655 *t = TOUPPER_LOC(*t); 3656 str = tmp; 3657 } 3658 break; 3659 #endif 3660 3661 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3662 case STL_PREVIEWFLAG: 3663 case STL_PREVIEWFLAG_ALT: 3664 itemisflag = TRUE; 3665 if (wp->w_p_pvw) 3666 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3667 : _("[Preview]")); 3668 break; 3669 #endif 3670 3671 case STL_MODIFIED: 3672 case STL_MODIFIED_ALT: 3673 itemisflag = TRUE; 3674 switch ((opt == STL_MODIFIED_ALT) 3675 + bufIsChanged(wp->w_buffer) * 2 3676 + (!wp->w_buffer->b_p_ma) * 4) 3677 { 3678 case 2: str = (char_u *)"[+]"; break; 3679 case 3: str = (char_u *)",+"; break; 3680 case 4: str = (char_u *)"[-]"; break; 3681 case 5: str = (char_u *)",-"; break; 3682 case 6: str = (char_u *)"[+-]"; break; 3683 case 7: str = (char_u *)",+-"; break; 3684 } 3685 break; 3686 } 3687 3688 item[curitem].start = p; 3689 item[curitem].type = Normal; 3690 if (str != NULL && *str) 3691 { 3692 t = str; 3693 if (itemisflag) 3694 { 3695 if ((t[0] && t[1]) 3696 && ((!prevchar_isitem && *t == ',') 3697 || (prevchar_isflag && *t == ' '))) 3698 t++; 3699 prevchar_isflag = TRUE; 3700 } 3701 l = vim_strsize(t); 3702 if (l > 0) 3703 prevchar_isitem = TRUE; 3704 if (l > maxwid) 3705 { 3706 while (l >= maxwid) 3707 #ifdef FEAT_MBYTE 3708 if (has_mbyte) 3709 { 3710 l -= ptr2cells(t); 3711 t += (*mb_ptr2len_check)(t); 3712 } 3713 else 3714 #endif 3715 l -= byte2cells(*t++); 3716 if (p + 1 >= out + outlen) 3717 break; 3718 *p++ = '<'; 3719 } 3720 if (minwid > 0) 3721 { 3722 for (; l < minwid && p + 1 < out + outlen; l++) 3723 { 3724 /* Don't put a "-" in front of a digit. */ 3725 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 3726 *p++ = ' '; 3727 else 3728 *p++ = fillchar; 3729 } 3730 minwid = 0; 3731 } 3732 else 3733 minwid *= -1; 3734 while (*t && p + 1 < out + outlen) 3735 { 3736 *p++ = *t++; 3737 /* Change a space by fillchar, unless fillchar is '-' and a 3738 * digit follows. */ 3739 if (fillable && p[-1] == ' ' 3740 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 3741 p[-1] = fillchar; 3742 } 3743 for (; l < minwid && p + 1 < out + outlen; l++) 3744 *p++ = fillchar; 3745 } 3746 else if (num >= 0) 3747 { 3748 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 3749 char_u nstr[20]; 3750 3751 if (p + 20 >= out + outlen) 3752 break; /* not sufficient space */ 3753 prevchar_isitem = TRUE; 3754 t = nstr; 3755 if (opt == STL_VIRTCOL_ALT) 3756 { 3757 *t++ = '-'; 3758 minwid--; 3759 } 3760 *t++ = '%'; 3761 if (zeropad) 3762 *t++ = '0'; 3763 *t++ = '*'; 3764 *t++ = nbase == 16 ? base : (nbase == 8 ? 'o' : 'd'); 3765 *t = 0; 3766 3767 for (n = num, l = 1; n >= nbase; n /= nbase) 3768 l++; 3769 if (opt == STL_VIRTCOL_ALT) 3770 l++; 3771 if (l > maxwid) 3772 { 3773 l += 2; 3774 n = l - maxwid; 3775 while (l-- > maxwid) 3776 num /= nbase; 3777 *t++ = '>'; 3778 *t++ = '%'; 3779 *t = t[-3]; 3780 *++t = 0; 3781 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 3782 0, num, n); 3783 } 3784 else 3785 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 3786 minwid, num); 3787 p += STRLEN(p); 3788 } 3789 else 3790 item[curitem].type = Empty; 3791 3792 if (opt == STL_VIM_EXPR) 3793 vim_free(str); 3794 3795 if (num >= 0 || (!itemisflag && str && *str)) 3796 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 3797 curitem++; 3798 } 3799 *p = NUL; 3800 itemcnt = curitem; 3801 3802 width = vim_strsize(out); 3803 if (maxwidth > 0 && width > maxwidth) 3804 { 3805 /* Result is too long, must trunctate somewhere. */ 3806 l = 0; 3807 if (itemcnt == 0) 3808 s = out; 3809 else 3810 { 3811 for ( ; l < itemcnt; l++) 3812 if (item[l].type == Trunc) 3813 { 3814 /* Truncate at %< item. */ 3815 s = item[l].start; 3816 break; 3817 } 3818 if (l == itemcnt) 3819 { 3820 /* No %< item, truncate first item. */ 3821 s = item[0].start; 3822 l = 0; 3823 } 3824 } 3825 3826 if (width - vim_strsize(s) >= maxwidth) 3827 { 3828 /* Truncation mark is beyond max length */ 3829 #ifdef FEAT_MBYTE 3830 if (has_mbyte) 3831 { 3832 s = out; 3833 width = 0; 3834 for (;;) 3835 { 3836 width += ptr2cells(s); 3837 if (width >= maxwidth) 3838 break; 3839 s += (*mb_ptr2len_check)(s); 3840 } 3841 /* Fill up for half a double-wide character. */ 3842 while (++width < maxwidth) 3843 *s++ = fillchar; 3844 } 3845 else 3846 #endif 3847 s = out + maxwidth - 1; 3848 for (l = 0; l < itemcnt; l++) 3849 if (item[l].start > s) 3850 break; 3851 itemcnt = l; 3852 *s++ = '>'; 3853 *s = 0; 3854 } 3855 else 3856 { 3857 #ifdef FEAT_MBYTE 3858 if (has_mbyte) 3859 { 3860 n = 0; 3861 while (width >= maxwidth) 3862 { 3863 width -= ptr2cells(s + n); 3864 n += (*mb_ptr2len_check)(s + n); 3865 } 3866 } 3867 else 3868 #endif 3869 n = width - maxwidth + 1; 3870 p = s + n; 3871 mch_memmove(s + 1, p, STRLEN(p) + 1); 3872 *s = '<'; 3873 3874 /* Fill up for half a double-wide character. */ 3875 while (++width < maxwidth) 3876 { 3877 s = s + STRLEN(s); 3878 *s++ = fillchar; 3879 *s = NUL; 3880 } 3881 3882 --n; /* count the '<' */ 3883 for (; l < itemcnt; l++) 3884 { 3885 if (item[l].start - n >= s) 3886 item[l].start -= n; 3887 else 3888 item[l].start = s; 3889 } 3890 } 3891 width = maxwidth; 3892 } 3893 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 3894 { 3895 /* Apply STL_MIDDLE if any */ 3896 for (l = 0; l < itemcnt; l++) 3897 if (item[l].type == Middle) 3898 break; 3899 if (l < itemcnt) 3900 { 3901 p = item[l].start + maxwidth - width; 3902 mch_memmove(p, item[l].start, STRLEN(item[l].start) + 1); 3903 for (s = item[l].start; s < p; s++) 3904 *s = fillchar; 3905 for (l++; l < itemcnt; l++) 3906 item[l].start += maxwidth - width; 3907 width = maxwidth; 3908 } 3909 } 3910 3911 if (hl != NULL) 3912 { 3913 for (l = 0; l < itemcnt; l++) 3914 { 3915 if (item[l].type == Highlight) 3916 { 3917 hl->start = item[l].start; 3918 hl->userhl = item[l].minwid; 3919 hl++; 3920 } 3921 } 3922 hl->start = NULL; 3923 hl->userhl = 0; 3924 } 3925 3926 return width; 3927 } 3928 #endif /* FEAT_STL_OPT */ 3929 3930 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) || defined(PROTO) 3931 /* 3932 * Get relative cursor position in window into "str[]", in the form 99%, using 3933 * "Top", "Bot" or "All" when appropriate. 3934 */ 3935 void 3936 get_rel_pos(wp, str) 3937 win_T *wp; 3938 char_u *str; 3939 { 3940 long above; /* number of lines above window */ 3941 long below; /* number of lines below window */ 3942 3943 above = wp->w_topline - 1; 3944 #ifdef FEAT_DIFF 3945 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 3946 #endif 3947 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 3948 if (below <= 0) 3949 STRCPY(str, above == 0 ? _("All") : _("Bot")); 3950 else if (above <= 0) 3951 STRCPY(str, _("Top")); 3952 else 3953 sprintf((char *)str, "%2d%%", above > 1000000L 3954 ? (int)(above / ((above + below) / 100L)) 3955 : (int)(above * 100L / (above + below))); 3956 } 3957 #endif 3958 3959 /* 3960 * Append (file 2 of 8) to 'buf', if editing more than one file. 3961 * Return TRUE if it was appended. 3962 */ 3963 int 3964 append_arg_number(wp, buf, add_file, maxlen) 3965 win_T *wp; 3966 char_u *buf; 3967 int add_file; /* Add "file" before the arg number */ 3968 int maxlen; /* maximum nr of chars in buf or zero*/ 3969 { 3970 char_u *p; 3971 3972 if (ARGCOUNT <= 1) /* nothing to do */ 3973 return FALSE; 3974 3975 p = buf + STRLEN(buf); /* go to the end of the buffer */ 3976 if (maxlen && p - buf + 35 >= maxlen) /* getting too long */ 3977 return FALSE; 3978 *p++ = ' '; 3979 *p++ = '('; 3980 if (add_file) 3981 { 3982 STRCPY(p, "file "); 3983 p += 5; 3984 } 3985 sprintf((char *)p, wp->w_arg_idx_invalid ? "(%d) of %d)" 3986 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 3987 return TRUE; 3988 } 3989 3990 /* 3991 * If fname is not a full path, make it a full path. 3992 * Returns pointer to allocated memory (NULL for failure). 3993 */ 3994 char_u * 3995 fix_fname(fname) 3996 char_u *fname; 3997 { 3998 /* 3999 * Force expanding the path always for Unix, because symbolic links may 4000 * mess up the full path name, even though it starts with a '/'. 4001 * Also expand when there is ".." in the file name, try to remove it, 4002 * because "c:/src/../README" is equal to "c:/README". 4003 * For MS-Windows also expand names like "longna~1" to "longname". 4004 */ 4005 #ifdef UNIX 4006 return FullName_save(fname, TRUE); 4007 #else 4008 if (!vim_isAbsName(fname) || strstr((char *)fname, "..") != NULL 4009 #if defined(MSWIN) || defined(DJGPP) 4010 || vim_strchr(fname, '~') != NULL 4011 #endif 4012 ) 4013 return FullName_save(fname, FALSE); 4014 4015 fname = vim_strsave(fname); 4016 4017 #ifdef USE_FNAME_CASE 4018 # ifdef USE_LONG_FNAME 4019 if (USE_LONG_FNAME) 4020 # endif 4021 { 4022 if (fname != NULL) 4023 fname_case(fname, 0); /* set correct case for file name */ 4024 } 4025 #endif 4026 4027 return fname; 4028 #endif 4029 } 4030 4031 /* 4032 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4033 * "ffname" becomes a pointer to allocated memory (or NULL). 4034 */ 4035 /*ARGSUSED*/ 4036 void 4037 fname_expand(buf, ffname, sfname) 4038 buf_T *buf; 4039 char_u **ffname; 4040 char_u **sfname; 4041 { 4042 if (*ffname == NULL) /* if no file name given, nothing to do */ 4043 return; 4044 if (*sfname == NULL) /* if no short file name given, use ffname */ 4045 *sfname = *ffname; 4046 *ffname = fix_fname(*ffname); /* expand to full path */ 4047 4048 #ifdef FEAT_SHORTCUT 4049 if (!buf->b_p_bin) 4050 { 4051 char_u *rfname = NULL; 4052 4053 /* If the file name is a shortcut file, use the file it links to. */ 4054 rfname = mch_resolve_shortcut(*ffname); 4055 if (rfname) 4056 { 4057 vim_free(*ffname); 4058 *ffname = rfname; 4059 *sfname = rfname; 4060 } 4061 } 4062 #endif 4063 } 4064 4065 /* 4066 * Get the file name for an argument list entry. 4067 */ 4068 char_u * 4069 alist_name(aep) 4070 aentry_T *aep; 4071 { 4072 buf_T *bp; 4073 4074 /* Use the name from the associated buffer if it exists. */ 4075 bp = buflist_findnr(aep->ae_fnum); 4076 if (bp == NULL) 4077 return aep->ae_fname; 4078 return bp->b_fname; 4079 } 4080 4081 #if defined(FEAT_WINDOWS) || defined(PROTO) 4082 /* 4083 * do_arg_all(): Open up to 'count' windows, one for each argument. 4084 */ 4085 void 4086 do_arg_all(count, forceit) 4087 int count; 4088 int forceit; /* hide buffers in current windows */ 4089 { 4090 int i; 4091 win_T *wp, *wpnext; 4092 char_u *opened; /* array of flags for which args are open */ 4093 int opened_len; /* lenght of opened[] */ 4094 int use_firstwin = FALSE; /* use first window for arglist */ 4095 int split_ret = OK; 4096 int p_ea_save; 4097 alist_T *alist; /* argument list to be used */ 4098 buf_T *buf; 4099 4100 if (ARGCOUNT <= 0) 4101 { 4102 /* Don't give an error message. We don't want it when the ":all" 4103 * command is in the .vimrc. */ 4104 return; 4105 } 4106 setpcmark(); 4107 4108 opened_len = ARGCOUNT; 4109 opened = alloc_clear((unsigned)opened_len); 4110 if (opened == NULL) 4111 return; 4112 4113 #ifdef FEAT_GUI 4114 need_mouse_correct = TRUE; 4115 #endif 4116 4117 /* 4118 * Try closing all windows that are not in the argument list. 4119 * Also close windows that are not full width; 4120 * When 'hidden' or "forceit" set the buffer becomes hidden. 4121 * Windows that have a changed buffer and can't be hidden won't be closed. 4122 */ 4123 for (wp = firstwin; wp != NULL; wp = wpnext) 4124 { 4125 wpnext = wp->w_next; 4126 buf = wp->w_buffer; 4127 if (buf->b_ffname == NULL 4128 || buf->b_nwindows > 1 4129 #ifdef FEAT_VERTSPLIT 4130 || wp->w_width != Columns 4131 #endif 4132 ) 4133 i = ARGCOUNT; 4134 else 4135 { 4136 /* check if the buffer in this window is in the arglist */ 4137 for (i = 0; i < ARGCOUNT; ++i) 4138 { 4139 if (ARGLIST[i].ae_fnum == buf->b_fnum 4140 || fullpathcmp(alist_name(&ARGLIST[i]), 4141 buf->b_ffname, TRUE) & FPC_SAME) 4142 { 4143 if (i < opened_len) 4144 opened[i] = TRUE; 4145 if (wp->w_alist != curwin->w_alist) 4146 { 4147 /* Use the current argument list for all windows 4148 * containing a file from it. */ 4149 alist_unlink(wp->w_alist); 4150 wp->w_alist = curwin->w_alist; 4151 ++wp->w_alist->al_refcount; 4152 } 4153 break; 4154 } 4155 } 4156 } 4157 wp->w_arg_idx = i; 4158 4159 if (i == ARGCOUNT) /* close this window */ 4160 { 4161 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4162 || !bufIsChanged(buf)) 4163 { 4164 /* If the buffer was changed, and we would like to hide it, 4165 * try autowriting. */ 4166 if (!P_HID(buf) && buf->b_nwindows <= 1 && bufIsChanged(buf)) 4167 { 4168 (void)autowrite(buf, FALSE); 4169 #ifdef FEAT_AUTOCMD 4170 /* check if autocommands removed the window */ 4171 if (!win_valid(wp) || !buf_valid(buf)) 4172 { 4173 wpnext = firstwin; /* start all over... */ 4174 continue; 4175 } 4176 #endif 4177 } 4178 #ifdef FEAT_WINDOWS 4179 if (firstwin == lastwin) /* can't close last window */ 4180 #endif 4181 use_firstwin = TRUE; 4182 #ifdef FEAT_WINDOWS 4183 else 4184 { 4185 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4186 # ifdef FEAT_AUTOCMD 4187 /* check if autocommands removed the next window */ 4188 if (!win_valid(wpnext)) 4189 wpnext = firstwin; /* start all over... */ 4190 # endif 4191 } 4192 #endif 4193 } 4194 } 4195 } 4196 4197 /* 4198 * Open a window for files in the argument list that don't have one. 4199 * ARGCOUNT may change while doing this, because of autocommands. 4200 */ 4201 if (count > ARGCOUNT || count <= 0) 4202 count = ARGCOUNT; 4203 4204 /* Autocommands may do anything to the argument list. Make sure it's not 4205 * freed while we are working here by "locking" it. We still have to 4206 * watch out for its size to be changed. */ 4207 alist = curwin->w_alist; 4208 ++alist->al_refcount; 4209 4210 #ifdef FEAT_AUTOCMD 4211 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4212 ++autocmd_no_enter; 4213 ++autocmd_no_leave; 4214 #endif 4215 win_enter(lastwin, FALSE); 4216 for (i = 0; i < count && i < alist->al_ga.ga_len && !got_int; ++i) 4217 { 4218 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4219 arg_had_last = TRUE; 4220 if (i < opened_len && opened[i]) 4221 { 4222 /* Move the already present window to below the current window */ 4223 if (curwin->w_arg_idx != i) 4224 { 4225 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4226 { 4227 if (wpnext->w_arg_idx == i) 4228 { 4229 win_move_after(wpnext, curwin); 4230 break; 4231 } 4232 } 4233 } 4234 } 4235 else if (split_ret == OK) 4236 { 4237 if (!use_firstwin) /* split current window */ 4238 { 4239 p_ea_save = p_ea; 4240 p_ea = TRUE; /* use space from all windows */ 4241 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4242 p_ea = p_ea_save; 4243 if (split_ret == FAIL) 4244 continue; 4245 } 4246 #ifdef FEAT_AUTOCMD 4247 else /* first window: do autocmd for leaving this buffer */ 4248 --autocmd_no_leave; 4249 #endif 4250 4251 /* 4252 * edit file i 4253 */ 4254 curwin->w_arg_idx = i; 4255 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4256 ECMD_ONE, 4257 ((P_HID(curwin->w_buffer) 4258 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4259 + ECMD_OLDBUF); 4260 #ifdef FEAT_AUTOCMD 4261 if (use_firstwin) 4262 ++autocmd_no_leave; 4263 #endif 4264 use_firstwin = FALSE; 4265 } 4266 ui_breakcheck(); 4267 } 4268 4269 /* Remove the "lock" on the argument list. */ 4270 alist_unlink(alist); 4271 4272 #ifdef FEAT_AUTOCMD 4273 --autocmd_no_enter; 4274 #endif 4275 win_enter(firstwin, FALSE); /* back to first window */ 4276 #ifdef FEAT_AUTOCMD 4277 --autocmd_no_leave; 4278 #endif 4279 vim_free(opened); 4280 } 4281 4282 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4283 /* 4284 * Open a window for a number of buffers. 4285 */ 4286 void 4287 ex_buffer_all(eap) 4288 exarg_T *eap; 4289 { 4290 buf_T *buf; 4291 win_T *wp, *wpnext; 4292 int split_ret = OK; 4293 int p_ea_save; 4294 int open_wins = 0; 4295 int r; 4296 int count; /* Maximum number of windows to open. */ 4297 int all; /* When TRUE also load inactive buffers. */ 4298 4299 if (eap->addr_count == 0) /* make as many windows as possible */ 4300 count = 9999; 4301 else 4302 count = eap->line2; /* make as many windows as specified */ 4303 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4304 all = FALSE; 4305 else 4306 all = TRUE; 4307 4308 setpcmark(); 4309 4310 #ifdef FEAT_GUI 4311 need_mouse_correct = TRUE; 4312 #endif 4313 4314 /* 4315 * Close superfluous windows (two windows for the same buffer). 4316 * Also close windows that are not full-width. 4317 */ 4318 for (wp = firstwin; wp != NULL; wp = wpnext) 4319 { 4320 wpnext = wp->w_next; 4321 if (wp->w_buffer->b_nwindows > 1 4322 #ifdef FEAT_VERTSPLIT 4323 || ((cmdmod.split & WSP_VERT) 4324 ? wp->w_height + wp->w_status_height < Rows - p_ch 4325 : wp->w_width != Columns) 4326 #endif 4327 ) 4328 { 4329 win_close(wp, FALSE); 4330 #ifdef FEAT_AUTOCMD 4331 wpnext = firstwin; /* just in case an autocommand does something 4332 strange with windows */ 4333 open_wins = 0; 4334 #endif 4335 } 4336 else 4337 ++open_wins; 4338 } 4339 4340 /* 4341 * Go through the buffer list. When a buffer doesn't have a window yet, 4342 * open one. Otherwise move the window to the right position. 4343 * Watch out for autocommands that delete buffers or windows! 4344 */ 4345 #ifdef FEAT_AUTOCMD 4346 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4347 ++autocmd_no_enter; 4348 #endif 4349 win_enter(lastwin, FALSE); 4350 #ifdef FEAT_AUTOCMD 4351 ++autocmd_no_leave; 4352 #endif 4353 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4354 { 4355 /* Check if this buffer needs a window */ 4356 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4357 continue; 4358 4359 /* Check if this buffer already has a window */ 4360 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4361 if (wp->w_buffer == buf) 4362 break; 4363 /* If the buffer already has a window, move it */ 4364 if (wp != NULL) 4365 win_move_after(wp, curwin); 4366 else if (split_ret == OK) 4367 { 4368 /* Split the window and put the buffer in it */ 4369 p_ea_save = p_ea; 4370 p_ea = TRUE; /* use space from all windows */ 4371 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4372 ++open_wins; 4373 p_ea = p_ea_save; 4374 if (split_ret == FAIL) 4375 continue; 4376 4377 /* Open the buffer in this window. */ 4378 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4379 swap_exists_action = SEA_DIALOG; 4380 #endif 4381 set_curbuf(buf, DOBUF_GOTO); 4382 #ifdef FEAT_AUTOCMD 4383 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4384 { 4385 # if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4386 swap_exists_action = SEA_NONE; 4387 # endif 4388 break; 4389 } 4390 #endif 4391 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 4392 if (swap_exists_action == SEA_QUIT) 4393 { 4394 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4395 cleanup_T cs; 4396 4397 /* Reset the error/interrupt/exception state here so that 4398 * aborting() returns FALSE when closing a window. */ 4399 enter_cleanup(&cs); 4400 # endif 4401 4402 /* User selected Quit at ATTENTION prompt; close this window. */ 4403 win_close(curwin, TRUE); 4404 --open_wins; 4405 swap_exists_action = SEA_NONE; 4406 4407 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4408 /* Restore the error/interrupt/exception state if not 4409 * discarded by a new aborting error, interrupt, or uncaught 4410 * exception. */ 4411 leave_cleanup(&cs); 4412 # endif 4413 } 4414 else 4415 handle_swap_exists(NULL); 4416 #endif 4417 } 4418 4419 ui_breakcheck(); 4420 if (got_int) 4421 { 4422 (void)vgetc(); /* only break the file loading, not the rest */ 4423 break; 4424 } 4425 #ifdef FEAT_EVAL 4426 /* Autocommands deleted the buffer or aborted script processing!!! */ 4427 if (aborting()) 4428 break; 4429 #endif 4430 } 4431 #ifdef FEAT_AUTOCMD 4432 --autocmd_no_enter; 4433 #endif 4434 win_enter(firstwin, FALSE); /* back to first window */ 4435 #ifdef FEAT_AUTOCMD 4436 --autocmd_no_leave; 4437 #endif 4438 4439 /* 4440 * Close superfluous windows. 4441 */ 4442 for (wp = lastwin; open_wins > count; ) 4443 { 4444 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4445 || autowrite(wp->w_buffer, FALSE) == OK); 4446 #ifdef FEAT_AUTOCMD 4447 if (!win_valid(wp)) 4448 { 4449 /* BufWrite Autocommands made the window invalid, start over */ 4450 wp = lastwin; 4451 } 4452 else 4453 #endif 4454 if (r) 4455 { 4456 win_close(wp, !P_HID(wp->w_buffer)); 4457 --open_wins; 4458 wp = lastwin; 4459 } 4460 else 4461 { 4462 wp = wp->w_prev; 4463 if (wp == NULL) 4464 break; 4465 } 4466 } 4467 } 4468 # endif /* FEAT_LISTCMDS */ 4469 4470 #endif /* FEAT_WINDOWS */ 4471 4472 /* 4473 * do_modelines() - process mode lines for the current file 4474 * 4475 * Returns immediately if the "ml" option isn't set. 4476 */ 4477 static int chk_modeline __ARGS((linenr_T, int)); 4478 4479 void 4480 do_modelines(win_only) 4481 int win_only; /* Only do window-local options. */ 4482 { 4483 linenr_T lnum; 4484 int nmlines; 4485 static int entered = 0; 4486 4487 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4488 return; 4489 4490 /* Disallow recursive entry here. Can happen when executing a modeline 4491 * triggers an autocommand, which reloads modelines with a ":do". */ 4492 if (entered) 4493 return; 4494 4495 ++entered; 4496 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 4497 ++lnum) 4498 if (chk_modeline(lnum, win_only) == FAIL) 4499 nmlines = 0; 4500 4501 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 4502 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 4503 if (chk_modeline(lnum, win_only) == FAIL) 4504 nmlines = 0; 4505 --entered; 4506 } 4507 4508 #include "version.h" /* for version number */ 4509 4510 /* 4511 * chk_modeline() - check a single line for a mode string 4512 * Return FAIL if an error encountered. 4513 */ 4514 static int 4515 chk_modeline(lnum, win_only) 4516 linenr_T lnum; 4517 int win_only; /* Only do window-local options. */ 4518 { 4519 char_u *s; 4520 char_u *e; 4521 char_u *linecopy; /* local copy of any modeline found */ 4522 int prev; 4523 int vers; 4524 int end; 4525 int retval = OK; 4526 char_u *save_sourcing_name; 4527 linenr_T save_sourcing_lnum; 4528 #ifdef FEAT_EVAL 4529 scid_T save_SID; 4530 #endif 4531 4532 prev = -1; 4533 for (s = ml_get(lnum); *s != NUL; ++s) 4534 { 4535 if (prev == -1 || vim_isspace(prev)) 4536 { 4537 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 4538 || STRNCMP(s, "vi:", (size_t)3) == 0) 4539 break; 4540 if (STRNCMP(s, "vim", 3) == 0) 4541 { 4542 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 4543 e = s + 4; 4544 else 4545 e = s + 3; 4546 vers = getdigits(&e); 4547 if (*e == ':' 4548 && (s[3] == ':' 4549 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 4550 || (VIM_VERSION_100 < vers && s[3] == '<') 4551 || (VIM_VERSION_100 > vers && s[3] == '>') 4552 || (VIM_VERSION_100 == vers && s[3] == '='))) 4553 break; 4554 } 4555 } 4556 prev = *s; 4557 } 4558 4559 if (*s) 4560 { 4561 do /* skip over "ex:", "vi:" or "vim:" */ 4562 ++s; 4563 while (s[-1] != ':'); 4564 4565 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 4566 if (linecopy == NULL) 4567 return FAIL; 4568 4569 save_sourcing_lnum = sourcing_lnum; 4570 save_sourcing_name = sourcing_name; 4571 sourcing_lnum = lnum; /* prepare for emsg() */ 4572 sourcing_name = (char_u *)"modelines"; 4573 4574 end = FALSE; 4575 while (end == FALSE) 4576 { 4577 s = skipwhite(s); 4578 if (*s == NUL) 4579 break; 4580 4581 /* 4582 * Find end of set command: ':' or end of line. 4583 * Skip over "\:", replacing it with ":". 4584 */ 4585 for (e = s; *e != ':' && *e != NUL; ++e) 4586 if (e[0] == '\\' && e[1] == ':') 4587 STRCPY(e, e + 1); 4588 if (*e == NUL) 4589 end = TRUE; 4590 4591 /* 4592 * If there is a "set" command, require a terminating ':' and 4593 * ignore the stuff after the ':'. 4594 * "vi:set opt opt opt: foo" -- foo not interpreted 4595 * "vi:opt opt opt: foo" -- foo interpreted 4596 * Accept "se" for compatibility with Elvis. 4597 */ 4598 if (STRNCMP(s, "set ", (size_t)4) == 0 4599 || STRNCMP(s, "se ", (size_t)3) == 0) 4600 { 4601 if (*e != ':') /* no terminating ':'? */ 4602 break; 4603 end = TRUE; 4604 s = vim_strchr(s, ' ') + 1; 4605 } 4606 *e = NUL; /* truncate the set command */ 4607 4608 if (*s != NUL) /* skip over an empty "::" */ 4609 { 4610 #ifdef FEAT_EVAL 4611 save_SID = current_SID; 4612 current_SID = SID_MODELINE; 4613 #endif 4614 retval = do_set(s, OPT_MODELINE | OPT_LOCAL 4615 | (win_only ? OPT_WINONLY : 0)); 4616 #ifdef FEAT_EVAL 4617 current_SID = save_SID; 4618 #endif 4619 if (retval == FAIL) /* stop if error found */ 4620 break; 4621 } 4622 s = e + 1; /* advance to next part */ 4623 } 4624 4625 sourcing_lnum = save_sourcing_lnum; 4626 sourcing_name = save_sourcing_name; 4627 4628 vim_free(linecopy); 4629 } 4630 return retval; 4631 } 4632 4633 #ifdef FEAT_VIMINFO 4634 int 4635 read_viminfo_bufferlist(virp, writing) 4636 vir_T *virp; 4637 int writing; 4638 { 4639 char_u *tab; 4640 linenr_T lnum; 4641 colnr_T col; 4642 buf_T *buf; 4643 char_u *sfname; 4644 char_u *xline; 4645 4646 /* Handle long line and escaped characters. */ 4647 xline = viminfo_readstring(virp, 1, FALSE); 4648 4649 /* don't read in if there are files on the command-line or if writing: */ 4650 if (xline != NULL && !writing && ARGCOUNT == 0 4651 && find_viminfo_parameter('%') != NULL) 4652 { 4653 /* Format is: <fname> Tab <lnum> Tab <col>. 4654 * Watch out for a Tab in the file name, work from the end. */ 4655 lnum = 0; 4656 col = 0; 4657 tab = vim_strrchr(xline, '\t'); 4658 if (tab != NULL) 4659 { 4660 *tab++ = '\0'; 4661 col = atoi((char *)tab); 4662 tab = vim_strrchr(xline, '\t'); 4663 if (tab != NULL) 4664 { 4665 *tab++ = '\0'; 4666 lnum = atol((char *)tab); 4667 } 4668 } 4669 4670 /* Expand "~/" in the file name at "line + 1" to a full path. 4671 * Then try shortening it by comparing with the current directory */ 4672 expand_env(xline, NameBuff, MAXPATHL); 4673 mch_dirname(IObuff, IOSIZE); 4674 sfname = shorten_fname(NameBuff, IObuff); 4675 if (sfname == NULL) 4676 sfname = NameBuff; 4677 4678 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 4679 if (buf != NULL) /* just in case... */ 4680 { 4681 buf->b_last_cursor.lnum = lnum; 4682 buf->b_last_cursor.col = col; 4683 buflist_setfpos(buf, curwin, lnum, col, FALSE); 4684 } 4685 } 4686 vim_free(xline); 4687 4688 return viminfo_readline(virp); 4689 } 4690 4691 void 4692 write_viminfo_bufferlist(fp) 4693 FILE *fp; 4694 { 4695 buf_T *buf; 4696 #ifdef FEAT_WINDOWS 4697 win_T *win; 4698 #endif 4699 char_u *line; 4700 int max_buffers; 4701 4702 if (find_viminfo_parameter('%') == NULL) 4703 return; 4704 4705 /* Without a number -1 is returned: do all buffers. */ 4706 max_buffers = get_viminfo_parameter('%'); 4707 4708 /* Allocate room for the file name, lnum and col. */ 4709 line = alloc(MAXPATHL + 40); 4710 if (line == NULL) 4711 return; 4712 4713 #ifdef FEAT_WINDOWS 4714 for (win = firstwin; win != NULL; win = win->w_next) 4715 set_last_cursor(win); 4716 #else 4717 set_last_cursor(curwin); 4718 #endif 4719 4720 fprintf(fp, _("\n# Buffer list:\n")); 4721 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 4722 { 4723 if (buf->b_fname == NULL 4724 || !buf->b_p_bl 4725 #ifdef FEAT_QUICKFIX 4726 || bt_quickfix(buf) 4727 #endif 4728 || removable(buf->b_ffname)) 4729 continue; 4730 4731 if (max_buffers-- == 0) 4732 break; 4733 putc('%', fp); 4734 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 4735 sprintf((char *)line + STRLEN(line), "\t%ld\t%d", 4736 (long)buf->b_last_cursor.lnum, 4737 buf->b_last_cursor.col); 4738 viminfo_writestring(fp, line); 4739 } 4740 vim_free(line); 4741 } 4742 #endif 4743 4744 4745 /* 4746 * Return special buffer name. 4747 * Returns NULL when the buffer has a normal file name. 4748 */ 4749 char * 4750 buf_spname(buf) 4751 buf_T *buf; 4752 { 4753 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 4754 if (bt_quickfix(buf)) 4755 return _("[Error List]"); 4756 #endif 4757 #ifdef FEAT_QUICKFIX 4758 /* There is no _file_ when 'buftype' is "nofile", b_sfname 4759 * contains the name as specified by the user */ 4760 if (bt_nofile(buf)) 4761 { 4762 if (buf->b_sfname != NULL) 4763 return (char *)buf->b_sfname; 4764 return "[Scratch]"; 4765 } 4766 #endif 4767 if (buf->b_fname == NULL) 4768 return _("[No Name]"); 4769 return NULL; 4770 } 4771 4772 4773 #if defined(FEAT_SIGNS) || defined(PROTO) 4774 /* 4775 * Insert the sign into the signlist. 4776 */ 4777 static void 4778 insert_sign(buf, prev, next, id, lnum, typenr) 4779 buf_T *buf; /* buffer to store sign in */ 4780 signlist_T *prev; /* previous sign entry */ 4781 signlist_T *next; /* next sign entry */ 4782 int id; /* sign ID */ 4783 linenr_T lnum; /* line number which gets the mark */ 4784 int typenr; /* typenr of sign we are adding */ 4785 { 4786 signlist_T *newsign; 4787 4788 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 4789 if (newsign != NULL) 4790 { 4791 newsign->id = id; 4792 newsign->lnum = lnum; 4793 newsign->typenr = typenr; 4794 newsign->next = next; 4795 #ifdef FEAT_NETBEANS_INTG 4796 newsign->prev = prev; 4797 if (next != NULL) 4798 next->prev = newsign; 4799 #endif 4800 4801 if (prev == NULL) 4802 { 4803 /* When adding first sign need to redraw the windows to create the 4804 * column for signs. */ 4805 if (buf->b_signlist == NULL) 4806 { 4807 redraw_buf_later(buf, NOT_VALID); 4808 changed_cline_bef_curs(); 4809 } 4810 4811 /* first sign in signlist */ 4812 buf->b_signlist = newsign; 4813 } 4814 else 4815 prev->next = newsign; 4816 } 4817 } 4818 4819 /* 4820 * Add the sign into the signlist. Find the right spot to do it though. 4821 */ 4822 void 4823 buf_addsign(buf, id, lnum, typenr) 4824 buf_T *buf; /* buffer to store sign in */ 4825 int id; /* sign ID */ 4826 linenr_T lnum; /* line number which gets the mark */ 4827 int typenr; /* typenr of sign we are adding */ 4828 { 4829 signlist_T *sign; /* a sign in the signlist */ 4830 signlist_T *prev; /* the previous sign */ 4831 4832 prev = NULL; 4833 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4834 { 4835 if (lnum == sign->lnum && id == sign->id) 4836 { 4837 sign->typenr = typenr; 4838 return; 4839 } 4840 else if ( 4841 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 4842 id < 0 && 4843 #endif 4844 lnum < sign->lnum) 4845 { 4846 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4847 /* XXX - GRP: Is this because of sign slide problem? Or is it 4848 * really needed? Or is it because we allow multiple signs per 4849 * line? If so, should I add that feature to FEAT_SIGNS? 4850 */ 4851 while (prev != NULL && prev->lnum == lnum) 4852 prev = prev->prev; 4853 if (prev == NULL) 4854 sign = buf->b_signlist; 4855 else 4856 sign = prev->next; 4857 #endif 4858 insert_sign(buf, prev, sign, id, lnum, typenr); 4859 return; 4860 } 4861 prev = sign; 4862 } 4863 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4864 /* XXX - GRP: See previous comment */ 4865 while (prev != NULL && prev->lnum == lnum) 4866 prev = prev->prev; 4867 if (prev == NULL) 4868 sign = buf->b_signlist; 4869 else 4870 sign = prev->next; 4871 #endif 4872 insert_sign(buf, prev, sign, id, lnum, typenr); 4873 4874 return; 4875 } 4876 4877 int 4878 buf_change_sign_type(buf, markId, typenr) 4879 buf_T *buf; /* buffer to store sign in */ 4880 int markId; /* sign ID */ 4881 int typenr; /* typenr of sign we are adding */ 4882 { 4883 signlist_T *sign; /* a sign in the signlist */ 4884 4885 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4886 { 4887 if (sign->id == markId) 4888 { 4889 sign->typenr = typenr; 4890 return sign->lnum; 4891 } 4892 } 4893 4894 return 0; 4895 } 4896 4897 int_u 4898 buf_getsigntype(buf, lnum, type) 4899 buf_T *buf; 4900 linenr_T lnum; 4901 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 4902 { 4903 signlist_T *sign; /* a sign in a b_signlist */ 4904 4905 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4906 if (sign->lnum == lnum 4907 && (type == SIGN_ANY 4908 # ifdef FEAT_SIGN_ICONS 4909 || (type == SIGN_ICON 4910 && sign_get_image(sign->typenr) != NULL) 4911 # endif 4912 || (type == SIGN_TEXT 4913 && sign_get_text(sign->typenr) != NULL) 4914 || (type == SIGN_LINEHL 4915 && sign_get_attr(sign->typenr, TRUE) != 0))) 4916 return sign->typenr; 4917 return 0; 4918 } 4919 4920 4921 linenr_T 4922 buf_delsign(buf, id) 4923 buf_T *buf; /* buffer sign is stored in */ 4924 int id; /* sign id */ 4925 { 4926 signlist_T **lastp; /* pointer to pointer to current sign */ 4927 signlist_T *sign; /* a sign in a b_signlist */ 4928 signlist_T *next; /* the next sign in a b_signlist */ 4929 linenr_T lnum; /* line number whose sign was deleted */ 4930 4931 lastp = &buf->b_signlist; 4932 lnum = 0; 4933 for (sign = buf->b_signlist; sign != NULL; sign = next) 4934 { 4935 next = sign->next; 4936 if (sign->id == id) 4937 { 4938 *lastp = next; 4939 #ifdef FEAT_NETBEANS_INTG 4940 if (next != NULL) 4941 next->prev = sign->prev; 4942 #endif 4943 lnum = sign->lnum; 4944 vim_free(sign); 4945 break; 4946 } 4947 else 4948 lastp = &sign->next; 4949 } 4950 4951 /* When deleted the last sign need to redraw the windows to remove the 4952 * sign column. */ 4953 if (buf->b_signlist == NULL) 4954 { 4955 redraw_buf_later(buf, NOT_VALID); 4956 changed_cline_bef_curs(); 4957 } 4958 4959 return lnum; 4960 } 4961 4962 4963 /* 4964 * Find the line number of the sign with the requested id. If the sign does 4965 * not exist, return 0 as the line number. This will still let the correct file 4966 * get loaded. 4967 */ 4968 int 4969 buf_findsign(buf, id) 4970 buf_T *buf; /* buffer to store sign in */ 4971 int id; /* sign ID */ 4972 { 4973 signlist_T *sign; /* a sign in the signlist */ 4974 4975 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4976 if (sign->id == id) 4977 return sign->lnum; 4978 4979 return 0; 4980 } 4981 4982 int 4983 buf_findsign_id(buf, lnum) 4984 buf_T *buf; /* buffer whose sign we are searching for */ 4985 linenr_T lnum; /* line number of sign */ 4986 { 4987 signlist_T *sign; /* a sign in the signlist */ 4988 4989 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4990 if (sign->lnum == lnum) 4991 return sign->id; 4992 4993 return 0; 4994 } 4995 4996 4997 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 4998 /* see if a given type of sign exists on a specific line */ 4999 int 5000 buf_findsigntype_id(buf, lnum, typenr) 5001 buf_T *buf; /* buffer whose sign we are searching for */ 5002 linenr_T lnum; /* line number of sign */ 5003 int typenr; /* sign type number */ 5004 { 5005 signlist_T *sign; /* a sign in the signlist */ 5006 5007 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5008 if (sign->lnum == lnum && sign->typenr == typenr) 5009 return sign->id; 5010 5011 return 0; 5012 } 5013 5014 5015 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5016 /* return the number of icons on the given line */ 5017 int 5018 buf_signcount(buf, lnum) 5019 buf_T *buf; 5020 linenr_T lnum; 5021 { 5022 signlist_T *sign; /* a sign in the signlist */ 5023 int count = 0; 5024 5025 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5026 if (sign->lnum == lnum) 5027 if (sign_get_image(sign->typenr) != NULL) 5028 count++; 5029 5030 return count; 5031 } 5032 # endif /* FEAT_SIGN_ICONS */ 5033 # endif /* FEAT_NETBEANS_INTG */ 5034 5035 5036 /* 5037 * Delete signs in buffer "buf". 5038 */ 5039 static void 5040 buf_delete_signs(buf) 5041 buf_T *buf; 5042 { 5043 signlist_T *next; 5044 5045 while (buf->b_signlist != NULL) 5046 { 5047 next = buf->b_signlist->next; 5048 vim_free(buf->b_signlist); 5049 buf->b_signlist = next; 5050 } 5051 } 5052 5053 /* 5054 * Delete all signs in all buffers. 5055 */ 5056 void 5057 buf_delete_all_signs() 5058 { 5059 buf_T *buf; /* buffer we are checking for signs */ 5060 5061 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 5062 if (buf->b_signlist != NULL) 5063 { 5064 /* Need to redraw the windows to remove the sign column. */ 5065 redraw_buf_later(buf, NOT_VALID); 5066 buf_delete_signs(buf); 5067 } 5068 } 5069 5070 /* 5071 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 5072 */ 5073 void 5074 sign_list_placed(rbuf) 5075 buf_T *rbuf; 5076 { 5077 buf_T *buf; 5078 signlist_T *p; 5079 char lbuf[BUFSIZ]; 5080 5081 MSG_PUTS_TITLE(_("\n--- Signs ---")); 5082 msg_putchar('\n'); 5083 if (rbuf == NULL) 5084 buf = firstbuf; 5085 else 5086 buf = rbuf; 5087 while (buf != NULL) 5088 { 5089 if (buf->b_signlist != NULL) 5090 { 5091 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 5092 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 5093 msg_putchar('\n'); 5094 } 5095 for (p = buf->b_signlist; p != NULL; p = p->next) 5096 { 5097 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 5098 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 5099 MSG_PUTS(lbuf); 5100 msg_putchar('\n'); 5101 } 5102 if (rbuf != NULL) 5103 break; 5104 buf = buf->b_next; 5105 } 5106 } 5107 5108 /* 5109 * Adjust a placed sign for inserted/deleted lines. 5110 */ 5111 void 5112 sign_mark_adjust(line1, line2, amount, amount_after) 5113 linenr_T line1; 5114 linenr_T line2; 5115 long amount; 5116 long amount_after; 5117 { 5118 signlist_T *sign; /* a sign in a b_signlist */ 5119 5120 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 5121 { 5122 if (sign->lnum >= line1 && sign->lnum <= line2) 5123 { 5124 if (amount == MAXLNUM) 5125 sign->lnum = line1; 5126 else 5127 sign->lnum += amount; 5128 } 5129 else if (sign->lnum > line2) 5130 sign->lnum += amount_after; 5131 } 5132 } 5133 #endif /* FEAT_SIGNS */ 5134 5135 /* 5136 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5137 */ 5138 void 5139 set_buflisted(on) 5140 int on; 5141 { 5142 if (on != curbuf->b_p_bl) 5143 { 5144 curbuf->b_p_bl = on; 5145 #ifdef FEAT_AUTOCMD 5146 if (on) 5147 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5148 else 5149 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5150 #endif 5151 } 5152 } 5153 5154 /* 5155 * Read the file for "buf" again and check if the contents changed. 5156 * Return TRUE if it changed or this could not be checked. 5157 */ 5158 int 5159 buf_contents_changed(buf) 5160 buf_T *buf; 5161 { 5162 buf_T *newbuf; 5163 int differ = TRUE; 5164 linenr_T lnum; 5165 #ifdef FEAT_AUTOCMD 5166 aco_save_T aco; 5167 #else 5168 buf_T *old_curbuf = curbuf; 5169 #endif 5170 exarg_T ea; 5171 5172 /* Allocate a buffer without putting it in the buffer list. */ 5173 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5174 if (newbuf == NULL) 5175 return TRUE; 5176 5177 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5178 if (prep_exarg(&ea, buf) == FAIL) 5179 { 5180 wipe_buffer(newbuf, FALSE); 5181 return TRUE; 5182 } 5183 5184 #ifdef FEAT_AUTOCMD 5185 /* set curwin/curbuf to buf and save a few things */ 5186 aucmd_prepbuf(&aco, newbuf); 5187 #else 5188 curbuf = newbuf; 5189 curwin->w_buffer = newbuf; 5190 #endif 5191 5192 if (ml_open() == OK 5193 && readfile(buf->b_ffname, buf->b_fname, 5194 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5195 &ea, READ_NEW | READ_DUMMY) == OK) 5196 { 5197 /* compare the two files line by line */ 5198 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5199 { 5200 differ = FALSE; 5201 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5202 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5203 { 5204 differ = TRUE; 5205 break; 5206 } 5207 } 5208 } 5209 vim_free(ea.cmd); 5210 5211 #ifdef FEAT_AUTOCMD 5212 /* restore curwin/curbuf and a few other things */ 5213 aucmd_restbuf(&aco); 5214 #else 5215 curbuf = old_curbuf; 5216 curwin->w_buffer = old_curbuf; 5217 #endif 5218 5219 if (curbuf != newbuf) /* safety check */ 5220 wipe_buffer(newbuf, FALSE); 5221 5222 return differ; 5223 } 5224 5225 /* 5226 * Wipe out a buffer and decrement the last buffer number if it was used for 5227 * this buffer. Call this to wipe out a temp buffer that does not contain any 5228 * marks. 5229 */ 5230 /*ARGSUSED*/ 5231 void 5232 wipe_buffer(buf, aucmd) 5233 buf_T *buf; 5234 int aucmd; /* When TRUE trigger autocommands. */ 5235 { 5236 if (buf->b_fnum == top_file_num - 1) 5237 --top_file_num; 5238 5239 #ifdef FEAT_AUTOCMD 5240 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5241 ++autocmd_block; 5242 #endif 5243 close_buffer(NULL, buf, DOBUF_WIPE); 5244 #ifdef FEAT_AUTOCMD 5245 if (!aucmd) 5246 --autocmd_block; 5247 #endif 5248 } 5249