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) && defined(HAS_SWAP_EXISTS_ACTION) 664 buf_T *old_curbuf = curbuf; 665 666 swap_exists_action = SEA_DIALOG; 667 # endif 668 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 669 start, dir, count, eap->forceit); 670 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 671 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 672 { 673 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 674 cleanup_T cs; 675 676 /* Reset the error/interrupt/exception state here so that 677 * aborting() returns FALSE when closing a window. */ 678 enter_cleanup(&cs); 679 # endif 680 681 /* Quitting means closing the split window, nothing else. */ 682 win_close(curwin, TRUE); 683 swap_exists_action = SEA_NONE; 684 685 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 686 /* Restore the error/interrupt/exception state if not discarded by a 687 * new aborting error, interrupt, or uncaught exception. */ 688 leave_cleanup(&cs); 689 # endif 690 } 691 else 692 handle_swap_exists(old_curbuf); 693 # endif 694 } 695 #endif 696 697 #if defined(HAS_SWAP_EXISTS_ACTION) || defined(PROTO) 698 /* 699 * Handle the situation of swap_exists_action being set. 700 * It is allowed for "old_curbuf" to be NULL or invalid. 701 */ 702 void 703 handle_swap_exists(old_curbuf) 704 buf_T *old_curbuf; 705 { 706 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 707 cleanup_T cs; 708 # endif 709 710 if (swap_exists_action == SEA_QUIT) 711 { 712 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 713 /* Reset the error/interrupt/exception state here so that 714 * aborting() returns FALSE when closing a buffer. */ 715 enter_cleanup(&cs); 716 # endif 717 718 /* User selected Quit at ATTENTION prompt. Go back to previous 719 * buffer. If that buffer is gone or the same as the current one, 720 * open a new, empty buffer. */ 721 swap_exists_action = SEA_NONE; /* don't want it again */ 722 close_buffer(curwin, curbuf, DOBUF_UNLOAD); 723 if (!buf_valid(old_curbuf) || old_curbuf == curbuf) 724 old_curbuf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED); 725 if (old_curbuf != NULL) 726 enter_buffer(old_curbuf); 727 /* If "old_curbuf" is NULL we are in big trouble here... */ 728 729 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 730 /* Restore the error/interrupt/exception state if not discarded by a 731 * new aborting error, interrupt, or uncaught exception. */ 732 leave_cleanup(&cs); 733 # endif 734 } 735 else if (swap_exists_action == SEA_RECOVER) 736 { 737 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 738 /* Reset the error/interrupt/exception state here so that 739 * aborting() returns FALSE when closing a buffer. */ 740 enter_cleanup(&cs); 741 # endif 742 743 /* User selected Recover at ATTENTION prompt. */ 744 msg_scroll = TRUE; 745 ml_recover(); 746 MSG_PUTS("\n"); /* don't overwrite the last message */ 747 cmdline_row = msg_row; 748 do_modelines(FALSE); 749 750 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 751 /* Restore the error/interrupt/exception state if not discarded by a 752 * new aborting error, interrupt, or uncaught exception. */ 753 leave_cleanup(&cs); 754 # endif 755 } 756 swap_exists_action = SEA_NONE; 757 } 758 #endif 759 760 #if defined(FEAT_LISTCMDS) || defined(PROTO) 761 /* 762 * do_bufdel() - delete or unload buffer(s) 763 * 764 * addr_count == 0: ":bdel" - delete current buffer 765 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 766 * buffer "end_bnr", then any other arguments. 767 * addr_count == 2: ":N,N bdel" - delete buffers in range 768 * 769 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 770 * DOBUF_DEL (":bdel") 771 * 772 * Returns error message or NULL 773 */ 774 char_u * 775 do_bufdel(command, arg, addr_count, start_bnr, end_bnr, forceit) 776 int command; 777 char_u *arg; /* pointer to extra arguments */ 778 int addr_count; 779 int start_bnr; /* first buffer number in a range */ 780 int end_bnr; /* buffer nr or last buffer nr in a range */ 781 int forceit; 782 { 783 int do_current = 0; /* delete current buffer? */ 784 int deleted = 0; /* number of buffers deleted */ 785 char_u *errormsg = NULL; /* return value */ 786 int bnr; /* buffer number */ 787 char_u *p; 788 789 #ifdef FEAT_NETBEANS_INTG 790 netbeansCloseFile = 1; 791 #endif 792 if (addr_count == 0) 793 { 794 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 795 } 796 else 797 { 798 if (addr_count == 2) 799 { 800 if (*arg) /* both range and argument is not allowed */ 801 return (char_u *)_(e_trailing); 802 bnr = start_bnr; 803 } 804 else /* addr_count == 1 */ 805 bnr = end_bnr; 806 807 for ( ;!got_int; ui_breakcheck()) 808 { 809 /* 810 * delete the current buffer last, otherwise when the 811 * current buffer is deleted, the next buffer becomes 812 * the current one and will be loaded, which may then 813 * also be deleted, etc. 814 */ 815 if (bnr == curbuf->b_fnum) 816 do_current = bnr; 817 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 818 forceit) == OK) 819 ++deleted; 820 821 /* 822 * find next buffer number to delete/unload 823 */ 824 if (addr_count == 2) 825 { 826 if (++bnr > end_bnr) 827 break; 828 } 829 else /* addr_count == 1 */ 830 { 831 arg = skipwhite(arg); 832 if (*arg == NUL) 833 break; 834 if (!VIM_ISDIGIT(*arg)) 835 { 836 p = skiptowhite_esc(arg); 837 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, FALSE); 838 if (bnr < 0) /* failed */ 839 break; 840 arg = p; 841 } 842 else 843 bnr = getdigits(&arg); 844 } 845 } 846 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 847 FORWARD, do_current, forceit) == OK) 848 ++deleted; 849 850 if (deleted == 0) 851 { 852 if (command == DOBUF_UNLOAD) 853 STRCPY(IObuff, _("E515: No buffers were unloaded")); 854 else if (command == DOBUF_DEL) 855 STRCPY(IObuff, _("E516: No buffers were deleted")); 856 else 857 STRCPY(IObuff, _("E517: No buffers were wiped out")); 858 errormsg = IObuff; 859 } 860 else if (deleted >= p_report) 861 { 862 if (command == DOBUF_UNLOAD) 863 { 864 if (deleted == 1) 865 MSG(_("1 buffer unloaded")); 866 else 867 smsg((char_u *)_("%d buffers unloaded"), deleted); 868 } 869 else if (command == DOBUF_DEL) 870 { 871 if (deleted == 1) 872 MSG(_("1 buffer deleted")); 873 else 874 smsg((char_u *)_("%d buffers deleted"), deleted); 875 } 876 else 877 { 878 if (deleted == 1) 879 MSG(_("1 buffer wiped out")); 880 else 881 smsg((char_u *)_("%d buffers wiped out"), deleted); 882 } 883 } 884 } 885 886 #ifdef FEAT_NETBEANS_INTG 887 netbeansCloseFile = 0; 888 #endif 889 890 return errormsg; 891 } 892 893 /* 894 * Implementation of the commands for the buffer list. 895 * 896 * action == DOBUF_GOTO go to specified buffer 897 * action == DOBUF_SPLIT split window and go to specified buffer 898 * action == DOBUF_UNLOAD unload specified buffer(s) 899 * action == DOBUF_DEL delete specified buffer(s) from buffer list 900 * action == DOBUF_WIPE delete specified buffer(s) really 901 * 902 * start == DOBUF_CURRENT go to "count" buffer from current buffer 903 * start == DOBUF_FIRST go to "count" buffer from first buffer 904 * start == DOBUF_LAST go to "count" buffer from last buffer 905 * start == DOBUF_MOD go to "count" modified buffer from current buffer 906 * 907 * Return FAIL or OK. 908 */ 909 int 910 do_buffer(action, start, dir, count, forceit) 911 int action; 912 int start; 913 int dir; /* FORWARD or BACKWARD */ 914 int count; /* buffer number or number of buffers */ 915 int forceit; /* TRUE for :...! */ 916 { 917 buf_T *buf; 918 buf_T *bp; 919 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 920 || action == DOBUF_WIPE); 921 922 switch (start) 923 { 924 case DOBUF_FIRST: buf = firstbuf; break; 925 case DOBUF_LAST: buf = lastbuf; break; 926 default: buf = curbuf; break; 927 } 928 if (start == DOBUF_MOD) /* find next modified buffer */ 929 { 930 while (count-- > 0) 931 { 932 do 933 { 934 buf = buf->b_next; 935 if (buf == NULL) 936 buf = firstbuf; 937 } 938 while (buf != curbuf && !bufIsChanged(buf)); 939 } 940 if (!bufIsChanged(buf)) 941 { 942 EMSG(_("E84: No modified buffer found")); 943 return FAIL; 944 } 945 } 946 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 947 { 948 while (buf != NULL && buf->b_fnum != count) 949 buf = buf->b_next; 950 } 951 else 952 { 953 bp = NULL; 954 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 955 { 956 /* remember the buffer where we start, we come back there when all 957 * buffers are unlisted. */ 958 if (bp == NULL) 959 bp = buf; 960 if (dir == FORWARD) 961 { 962 buf = buf->b_next; 963 if (buf == NULL) 964 buf = firstbuf; 965 } 966 else 967 { 968 buf = buf->b_prev; 969 if (buf == NULL) 970 buf = lastbuf; 971 } 972 /* don't count unlisted buffers */ 973 if (unload || buf->b_p_bl) 974 { 975 --count; 976 bp = NULL; /* use this buffer as new starting point */ 977 } 978 if (bp == buf) 979 { 980 /* back where we started, didn't find anything. */ 981 EMSG(_("E85: There is no listed buffer")); 982 return FAIL; 983 } 984 } 985 } 986 987 if (buf == NULL) /* could not find it */ 988 { 989 if (start == DOBUF_FIRST) 990 { 991 /* don't warn when deleting */ 992 if (!unload) 993 EMSGN(_("E86: Buffer %ld does not exist"), count); 994 } 995 else if (dir == FORWARD) 996 EMSG(_("E87: Cannot go beyond last buffer")); 997 else 998 EMSG(_("E88: Cannot go before first buffer")); 999 return FAIL; 1000 } 1001 1002 #ifdef FEAT_GUI 1003 need_mouse_correct = TRUE; 1004 #endif 1005 1006 #ifdef FEAT_LISTCMDS 1007 /* 1008 * delete buffer buf from memory and/or the list 1009 */ 1010 if (unload) 1011 { 1012 int forward; 1013 int retval; 1014 1015 /* When unloading or deleting a buffer that's already unloaded and 1016 * unlisted: fail silently. */ 1017 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 1018 return FAIL; 1019 1020 if (!forceit && bufIsChanged(buf)) 1021 { 1022 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1023 if ((p_confirm || cmdmod.confirm) && p_write) 1024 { 1025 dialog_changed(buf, FALSE); 1026 # ifdef FEAT_AUTOCMD 1027 if (!buf_valid(buf)) 1028 /* Autocommand deleted buffer, oops! It's not changed 1029 * now. */ 1030 return FAIL; 1031 # endif 1032 /* If it's still changed fail silently, the dialog already 1033 * mentioned why it fails. */ 1034 if (bufIsChanged(buf)) 1035 return FAIL; 1036 } 1037 else 1038 #endif 1039 { 1040 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 1041 buf->b_fnum); 1042 return FAIL; 1043 } 1044 } 1045 1046 /* 1047 * If deleting the last (listed) buffer, make it empty. 1048 * The last (listed) buffer cannot be unloaded. 1049 */ 1050 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 1051 if (bp->b_p_bl && bp != buf) 1052 break; 1053 if (bp == NULL && buf == curbuf) 1054 { 1055 if (action == DOBUF_UNLOAD) 1056 { 1057 EMSG(_("E90: Cannot unload last buffer")); 1058 return FAIL; 1059 } 1060 1061 /* Close any other windows on this buffer, then make it empty. */ 1062 #ifdef FEAT_WINDOWS 1063 { 1064 win_T *wp, *nextwp; 1065 1066 for (wp = firstwin; wp != NULL; wp = nextwp) 1067 { 1068 nextwp = wp->w_next; 1069 if (wp != curwin && wp->w_buffer == buf) 1070 { 1071 /* Start all over, autocommands may change the window 1072 * layout. */ 1073 nextwp = firstwin; 1074 win_close(wp, FALSE); 1075 } 1076 } 1077 } 1078 #endif 1079 setpcmark(); 1080 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1081 forceit ? ECMD_FORCEIT : 0); 1082 1083 /* 1084 * do_ecmd() may create a new buffer, then we have to delete 1085 * the old one. But do_ecmd() may have done that already, check 1086 * if the buffer still exists. 1087 */ 1088 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows == 0) 1089 close_buffer(NULL, buf, action); 1090 return retval; 1091 } 1092 1093 #ifdef FEAT_WINDOWS 1094 /* 1095 * If the deleted buffer is the current one, close the current window 1096 * (unless it's the only window). 1097 */ 1098 while (buf == curbuf && firstwin != lastwin) 1099 win_close(curwin, FALSE); 1100 #endif 1101 1102 /* 1103 * If the buffer to be deleted is not the current one, delete it here. 1104 */ 1105 if (buf != curbuf) 1106 { 1107 #ifdef FEAT_WINDOWS 1108 close_windows(buf); 1109 #endif 1110 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows <= 0) 1111 close_buffer(NULL, buf, action); 1112 return OK; 1113 } 1114 1115 /* 1116 * Deleting the current buffer: Need to find another buffer to go to. 1117 * There must be another, otherwise it would have been handled above. 1118 * First use au_new_curbuf, if it is valid. 1119 * Then prefer the buffer we most recently visited. 1120 * Else try to find one that is loaded, after the current buffer, 1121 * then before the current buffer. 1122 * Finally use any buffer. 1123 */ 1124 buf = NULL; /* selected buffer */ 1125 bp = NULL; /* used when no loaded buffer found */ 1126 #ifdef FEAT_AUTOCMD 1127 if (au_new_curbuf != NULL && buf_valid(au_new_curbuf)) 1128 buf = au_new_curbuf; 1129 # ifdef FEAT_JUMPLIST 1130 else 1131 # endif 1132 #endif 1133 #ifdef FEAT_JUMPLIST 1134 if (curwin->w_jumplistlen > 0) 1135 { 1136 int jumpidx; 1137 1138 jumpidx = curwin->w_jumplistidx - 1; 1139 if (jumpidx < 0) 1140 jumpidx = curwin->w_jumplistlen - 1; 1141 1142 forward = jumpidx; 1143 while (jumpidx != curwin->w_jumplistidx) 1144 { 1145 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1146 if (buf != NULL) 1147 { 1148 if (buf == curbuf || !buf->b_p_bl) 1149 buf = NULL; /* skip current and unlisted bufs */ 1150 else if (buf->b_ml.ml_mfp == NULL) 1151 { 1152 /* skip unloaded buf, but may keep it for later */ 1153 if (bp == NULL) 1154 bp = buf; 1155 buf = NULL; 1156 } 1157 } 1158 if (buf != NULL) /* found a valid buffer: stop searching */ 1159 break; 1160 /* advance to older entry in jump list */ 1161 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1162 break; 1163 if (--jumpidx < 0) 1164 jumpidx = curwin->w_jumplistlen - 1; 1165 if (jumpidx == forward) /* List exhausted for sure */ 1166 break; 1167 } 1168 } 1169 #endif 1170 1171 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1172 { 1173 forward = TRUE; 1174 buf = curbuf->b_next; 1175 for (;;) 1176 { 1177 if (buf == NULL) 1178 { 1179 if (!forward) /* tried both directions */ 1180 break; 1181 buf = curbuf->b_prev; 1182 forward = FALSE; 1183 continue; 1184 } 1185 /* in non-help buffer, try to skip help buffers, and vv */ 1186 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1187 { 1188 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1189 break; 1190 if (bp == NULL) /* remember unloaded buf for later */ 1191 bp = buf; 1192 } 1193 if (forward) 1194 buf = buf->b_next; 1195 else 1196 buf = buf->b_prev; 1197 } 1198 } 1199 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1200 buf = bp; 1201 if (buf == NULL) /* No loaded buffer, find listed one */ 1202 { 1203 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1204 if (buf->b_p_bl && buf != curbuf) 1205 break; 1206 } 1207 if (buf == NULL) /* Still no buffer, just take one */ 1208 { 1209 if (curbuf->b_next != NULL) 1210 buf = curbuf->b_next; 1211 else 1212 buf = curbuf->b_prev; 1213 } 1214 } 1215 1216 /* 1217 * make buf current buffer 1218 */ 1219 if (action == DOBUF_SPLIT) /* split window first */ 1220 { 1221 # ifdef FEAT_WINDOWS 1222 /* jump to first window containing buf if one exists ("useopen") */ 1223 if (vim_strchr(p_swb, 'u') && buf_jump_open_win(buf)) 1224 return OK; 1225 if (win_split(0, 0) == FAIL) 1226 # endif 1227 return FAIL; 1228 } 1229 #endif 1230 1231 /* go to current buffer - nothing to do */ 1232 if (buf == curbuf) 1233 return OK; 1234 1235 /* 1236 * Check if the current buffer may be abandoned. 1237 */ 1238 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1239 { 1240 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1241 if ((p_confirm || cmdmod.confirm) && p_write) 1242 { 1243 dialog_changed(curbuf, FALSE); 1244 # ifdef FEAT_AUTOCMD 1245 if (!buf_valid(buf)) 1246 /* Autocommand deleted buffer, oops! */ 1247 return FAIL; 1248 # endif 1249 } 1250 if (bufIsChanged(curbuf)) 1251 #endif 1252 { 1253 EMSG(_(e_nowrtmsg)); 1254 return FAIL; 1255 } 1256 } 1257 1258 /* Go to the other buffer. */ 1259 set_curbuf(buf, action); 1260 1261 #if defined(FEAT_LISTCMDS) && defined(FEAT_SCROLLBIND) 1262 if (action == DOBUF_SPLIT) 1263 curwin->w_p_scb = FALSE; /* reset 'scrollbind' */ 1264 #endif 1265 1266 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1267 if (aborting()) /* autocmds may abort script processing */ 1268 return FAIL; 1269 #endif 1270 1271 return OK; 1272 } 1273 1274 #endif /* FEAT_LISTCMDS */ 1275 1276 /* 1277 * Set current buffer to "buf". Executes autocommands and closes current 1278 * buffer. "action" tells how to close the current buffer: 1279 * DOBUF_GOTO free or hide it 1280 * DOBUF_SPLIT nothing 1281 * DOBUF_UNLOAD unload it 1282 * DOBUF_DEL delete it 1283 * DOBUF_WIPE wipe it out 1284 */ 1285 void 1286 set_curbuf(buf, action) 1287 buf_T *buf; 1288 int action; 1289 { 1290 buf_T *prevbuf; 1291 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1292 || action == DOBUF_WIPE); 1293 1294 setpcmark(); 1295 if (!cmdmod.keepalt) 1296 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1297 buflist_altfpos(); /* remember curpos */ 1298 1299 #ifdef FEAT_VISUAL 1300 /* Don't restart Select mode after switching to another buffer. */ 1301 VIsual_reselect = FALSE; 1302 #endif 1303 1304 /* close_windows() or apply_autocmds() may change curbuf */ 1305 prevbuf = curbuf; 1306 1307 #ifdef FEAT_AUTOCMD 1308 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 1309 # ifdef FEAT_EVAL 1310 if (buf_valid(prevbuf) && !aborting()) 1311 # else 1312 if (buf_valid(prevbuf)) 1313 # endif 1314 #endif 1315 { 1316 #ifdef FEAT_WINDOWS 1317 if (unload) 1318 close_windows(prevbuf); 1319 #endif 1320 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1321 if (buf_valid(prevbuf) && !aborting()) 1322 #else 1323 if (buf_valid(prevbuf)) 1324 #endif 1325 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1326 unload ? action : (action == DOBUF_GOTO 1327 && !P_HID(prevbuf) 1328 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0); 1329 } 1330 #ifdef FEAT_AUTOCMD 1331 # ifdef FEAT_EVAL 1332 /* An autocommand may have deleted buf or aborted the script processing! */ 1333 if (buf_valid(buf) && !aborting()) 1334 # else 1335 if (buf_valid(buf)) /* an autocommand may have deleted buf! */ 1336 # endif 1337 #endif 1338 enter_buffer(buf); 1339 } 1340 1341 /* 1342 * Enter a new current buffer. 1343 * Old curbuf must have been abandoned already! 1344 */ 1345 void 1346 enter_buffer(buf) 1347 buf_T *buf; 1348 { 1349 /* Copy buffer and window local option values. Not for a help buffer. */ 1350 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1351 if (!buf->b_help) 1352 get_winopts(buf); 1353 #ifdef FEAT_FOLDING 1354 else 1355 /* Remove all folds in the window. */ 1356 clearFolding(curwin); 1357 foldUpdateAll(curwin); /* update folds (later). */ 1358 #endif 1359 1360 /* Get the buffer in the current window. */ 1361 curwin->w_buffer = buf; 1362 curbuf = buf; 1363 ++curbuf->b_nwindows; 1364 1365 #ifdef FEAT_DIFF 1366 diff_new_buffer(); 1367 #endif 1368 1369 /* Cursor on first line by default. */ 1370 curwin->w_cursor.lnum = 1; 1371 curwin->w_cursor.col = 0; 1372 #ifdef FEAT_VIRTUALEDIT 1373 curwin->w_cursor.coladd = 0; 1374 #endif 1375 curwin->w_set_curswant = TRUE; 1376 1377 /* Make sure the buffer is loaded. */ 1378 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1379 { 1380 #ifdef FEAT_AUTOCMD 1381 /* If there is no filetype, allow for detecting one. Esp. useful for 1382 * ":ball" used in a autocommand. If there already is a filetype we 1383 * might prefer to keep it. */ 1384 if (*curbuf->b_p_ft == NUL) 1385 did_filetype = FALSE; 1386 #endif 1387 1388 open_buffer(FALSE, NULL); 1389 } 1390 else 1391 { 1392 need_fileinfo = TRUE; /* display file info after redraw */ 1393 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1394 #ifdef FEAT_AUTOCMD 1395 curwin->w_topline = 1; 1396 # ifdef FEAT_DIFF 1397 curwin->w_topfill = 0; 1398 # endif 1399 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1400 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1401 #endif 1402 } 1403 1404 /* If autocommands did not change the cursor position, restore cursor lnum 1405 * and possibly cursor col. */ 1406 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1407 buflist_getfpos(); 1408 1409 check_arg_idx(curwin); /* check for valid arg_idx */ 1410 #ifdef FEAT_TITLE 1411 maketitle(); 1412 #endif 1413 #ifdef FEAT_AUTOCMD 1414 if (curwin->w_topline == 1) /* when autocmds didn't change it */ 1415 #endif 1416 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1417 1418 #ifdef FEAT_NETBEANS_INTG 1419 /* Send fileOpened event because we've changed buffers. */ 1420 if (usingNetbeans && isNetbeansBuffer(curbuf)) 1421 netbeans_file_activated(curbuf); 1422 #endif 1423 1424 #if defined(FEAT_NETBEANS_INTG) || defined(FEAT_SUN_WORKSHOP) 1425 /* Change directories when the acd option is set on. */ 1426 if (p_acd && curbuf->b_ffname != NULL 1427 && vim_chdirfile(curbuf->b_ffname) == OK) 1428 shorten_fnames(TRUE); 1429 #endif 1430 1431 #ifdef FEAT_KEYMAP 1432 if (curbuf->b_kmap_state & KEYMAP_INIT) 1433 keymap_init(); 1434 #endif 1435 redraw_later(NOT_VALID); 1436 } 1437 1438 /* 1439 * functions for dealing with the buffer list 1440 */ 1441 1442 /* 1443 * Add a file name to the buffer list. Return a pointer to the buffer. 1444 * If the same file name already exists return a pointer to that buffer. 1445 * If it does not exist, or if fname == NULL, a new entry is created. 1446 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1447 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1448 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1449 * This is the ONLY way to create a new buffer. 1450 */ 1451 static int top_file_num = 1; /* highest file number */ 1452 1453 buf_T * 1454 buflist_new(ffname, sfname, lnum, flags) 1455 char_u *ffname; /* full path of fname or relative */ 1456 char_u *sfname; /* short fname or NULL */ 1457 linenr_T lnum; /* preferred cursor line */ 1458 int flags; /* BLN_ defines */ 1459 { 1460 buf_T *buf; 1461 #ifdef UNIX 1462 struct stat st; 1463 #endif 1464 1465 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1466 1467 /* 1468 * If file name already exists in the list, update the entry. 1469 */ 1470 #ifdef UNIX 1471 /* On Unix we can use inode numbers when the file exists. Works better 1472 * for hard links. */ 1473 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1474 st.st_dev = (dev_T)-1; 1475 #endif 1476 if (ffname != NULL && !(flags & BLN_DUMMY) && (buf = 1477 #ifdef UNIX 1478 buflist_findname_stat(ffname, &st) 1479 #else 1480 buflist_findname(ffname) 1481 #endif 1482 ) != NULL) 1483 { 1484 vim_free(ffname); 1485 if (lnum != 0) 1486 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1487 /* copy the options now, if 'cpo' doesn't have 's' and not done 1488 * already */ 1489 buf_copy_options(buf, 0); 1490 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1491 { 1492 buf->b_p_bl = TRUE; 1493 #ifdef FEAT_AUTOCMD 1494 if (!(flags & BLN_DUMMY)) 1495 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1496 #endif 1497 } 1498 return buf; 1499 } 1500 1501 /* 1502 * If the current buffer has no name and no contents, use the current 1503 * buffer. Otherwise: Need to allocate a new buffer structure. 1504 * 1505 * This is the ONLY place where a new buffer structure is allocated! 1506 */ 1507 buf = NULL; 1508 if ((flags & BLN_CURBUF) 1509 && curbuf != NULL 1510 && curbuf->b_ffname == NULL 1511 && curbuf->b_nwindows <= 1 1512 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1513 { 1514 buf = curbuf; 1515 #ifdef FEAT_AUTOCMD 1516 /* It's like this buffer is deleted. Watch out for autocommands that 1517 * change curbuf! If that happens, allocate a new buffer anyway. */ 1518 if (curbuf->b_p_bl) 1519 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1520 if (buf == curbuf) 1521 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1522 # ifdef FEAT_EVAL 1523 if (aborting()) /* autocmds may abort script processing */ 1524 return NULL; 1525 # endif 1526 #endif 1527 #ifdef FEAT_QUICKFIX 1528 # ifdef FEAT_AUTOCMD 1529 if (buf == curbuf) 1530 # endif 1531 { 1532 /* Make sure 'bufhidden' and 'buftype' are empty */ 1533 clear_string_option(&buf->b_p_bh); 1534 clear_string_option(&buf->b_p_bt); 1535 } 1536 #endif 1537 } 1538 if (buf != curbuf || curbuf == NULL) 1539 { 1540 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1541 if (buf == NULL) 1542 { 1543 vim_free(ffname); 1544 return NULL; 1545 } 1546 } 1547 1548 if (ffname != NULL) 1549 { 1550 buf->b_ffname = ffname; 1551 buf->b_sfname = vim_strsave(sfname); 1552 } 1553 1554 clear_wininfo(buf); 1555 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 1556 1557 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 1558 || buf->b_wininfo == NULL) 1559 { 1560 vim_free(buf->b_ffname); 1561 buf->b_ffname = NULL; 1562 vim_free(buf->b_sfname); 1563 buf->b_sfname = NULL; 1564 if (buf != curbuf) 1565 free_buffer(buf); 1566 return NULL; 1567 } 1568 1569 if (buf == curbuf) 1570 { 1571 /* free all things allocated for this buffer */ 1572 buf_freeall(buf, FALSE, FALSE); 1573 if (buf != curbuf) /* autocommands deleted the buffer! */ 1574 return NULL; 1575 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1576 if (aborting()) /* autocmds may abort script processing */ 1577 return NULL; 1578 #endif 1579 /* buf->b_nwindows = 0; why was this here? */ 1580 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1581 #ifdef FEAT_KEYMAP 1582 /* need to reload lmaps and set b:keymap_name */ 1583 curbuf->b_kmap_state |= KEYMAP_INIT; 1584 #endif 1585 } 1586 else 1587 { 1588 /* 1589 * put new buffer at the end of the buffer list 1590 */ 1591 buf->b_next = NULL; 1592 if (firstbuf == NULL) /* buffer list is empty */ 1593 { 1594 buf->b_prev = NULL; 1595 firstbuf = buf; 1596 } 1597 else /* append new buffer at end of list */ 1598 { 1599 lastbuf->b_next = buf; 1600 buf->b_prev = lastbuf; 1601 } 1602 lastbuf = buf; 1603 1604 buf->b_fnum = top_file_num++; 1605 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1606 { 1607 EMSG(_("W14: Warning: List of file names overflow")); 1608 if (emsg_silent == 0) 1609 { 1610 out_flush(); 1611 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1612 } 1613 top_file_num = 1; 1614 } 1615 1616 /* 1617 * Always copy the options from the current buffer. 1618 */ 1619 buf_copy_options(buf, BCO_ALWAYS); 1620 } 1621 1622 buf->b_wininfo->wi_fpos.lnum = lnum; 1623 buf->b_wininfo->wi_win = curwin; 1624 1625 #ifdef FEAT_EVAL 1626 init_var_dict(&buf->b_vars, &buf->b_bufvar); /* init b: variables */ 1627 #endif 1628 #ifdef FEAT_SYN_HL 1629 hash_init(&buf->b_keywtab); 1630 hash_init(&buf->b_keywtab_ic); 1631 #endif 1632 1633 buf->b_fname = buf->b_sfname; 1634 #ifdef UNIX 1635 if (st.st_dev == (dev_T)-1) 1636 buf->b_dev = -1; 1637 else 1638 { 1639 buf->b_dev = st.st_dev; 1640 buf->b_ino = st.st_ino; 1641 } 1642 #endif 1643 buf->b_u_synced = TRUE; 1644 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1645 if (flags & BLN_DUMMY) 1646 buf->b_flags |= BF_DUMMY; 1647 buf_clear_file(buf); 1648 clrallmarks(buf); /* clear marks */ 1649 fmarks_check_names(buf); /* check file marks for this file */ 1650 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1651 #ifdef FEAT_AUTOCMD 1652 if (!(flags & BLN_DUMMY)) 1653 { 1654 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1655 if (flags & BLN_LISTED) 1656 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1657 # ifdef FEAT_EVAL 1658 if (aborting()) /* autocmds may abort script processing */ 1659 return NULL; 1660 # endif 1661 } 1662 #endif 1663 1664 return buf; 1665 } 1666 1667 /* 1668 * Free the memory for the options of a buffer. 1669 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1670 * 'fileencoding'. 1671 */ 1672 void 1673 free_buf_options(buf, free_p_ff) 1674 buf_T *buf; 1675 int free_p_ff; 1676 { 1677 if (free_p_ff) 1678 { 1679 #ifdef FEAT_MBYTE 1680 clear_string_option(&buf->b_p_fenc); 1681 #endif 1682 clear_string_option(&buf->b_p_ff); 1683 #ifdef FEAT_QUICKFIX 1684 clear_string_option(&buf->b_p_bh); 1685 clear_string_option(&buf->b_p_bt); 1686 #endif 1687 } 1688 #ifdef FEAT_FIND_ID 1689 clear_string_option(&buf->b_p_def); 1690 clear_string_option(&buf->b_p_inc); 1691 # ifdef FEAT_EVAL 1692 clear_string_option(&buf->b_p_inex); 1693 # endif 1694 #endif 1695 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1696 clear_string_option(&buf->b_p_inde); 1697 clear_string_option(&buf->b_p_indk); 1698 #endif 1699 #ifdef FEAT_CRYPT 1700 clear_string_option(&buf->b_p_key); 1701 #endif 1702 clear_string_option(&buf->b_p_kp); 1703 clear_string_option(&buf->b_p_mps); 1704 clear_string_option(&buf->b_p_fo); 1705 clear_string_option(&buf->b_p_flp); 1706 clear_string_option(&buf->b_p_isk); 1707 #ifdef FEAT_KEYMAP 1708 clear_string_option(&buf->b_p_keymap); 1709 ga_clear(&buf->b_kmap_ga); 1710 #endif 1711 #ifdef FEAT_COMMENTS 1712 clear_string_option(&buf->b_p_com); 1713 #endif 1714 #ifdef FEAT_FOLDING 1715 clear_string_option(&buf->b_p_cms); 1716 #endif 1717 clear_string_option(&buf->b_p_nf); 1718 #ifdef FEAT_SYN_HL 1719 clear_string_option(&buf->b_p_syn); 1720 clear_string_option(&buf->b_p_spc); 1721 clear_string_option(&buf->b_p_spf); 1722 vim_free(buf->b_cap_prog); 1723 buf->b_cap_prog = NULL; 1724 clear_string_option(&buf->b_p_spl); 1725 #endif 1726 #ifdef FEAT_SEARCHPATH 1727 clear_string_option(&buf->b_p_sua); 1728 #endif 1729 #ifdef FEAT_AUTOCMD 1730 clear_string_option(&buf->b_p_ft); 1731 #endif 1732 #ifdef FEAT_OSFILETYPE 1733 clear_string_option(&buf->b_p_oft); 1734 #endif 1735 #ifdef FEAT_CINDENT 1736 clear_string_option(&buf->b_p_cink); 1737 clear_string_option(&buf->b_p_cino); 1738 #endif 1739 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1740 clear_string_option(&buf->b_p_cinw); 1741 #endif 1742 #ifdef FEAT_INS_EXPAND 1743 clear_string_option(&buf->b_p_cpt); 1744 #endif 1745 #ifdef FEAT_COMPL_FUNC 1746 clear_string_option(&buf->b_p_cfu); 1747 clear_string_option(&buf->b_p_ofu); 1748 #endif 1749 #ifdef FEAT_QUICKFIX 1750 clear_string_option(&buf->b_p_gp); 1751 clear_string_option(&buf->b_p_mp); 1752 clear_string_option(&buf->b_p_efm); 1753 #endif 1754 clear_string_option(&buf->b_p_ep); 1755 clear_string_option(&buf->b_p_path); 1756 clear_string_option(&buf->b_p_tags); 1757 #ifdef FEAT_INS_EXPAND 1758 clear_string_option(&buf->b_p_dict); 1759 clear_string_option(&buf->b_p_tsr); 1760 #endif 1761 #ifdef FEAT_TEXTOBJ 1762 clear_string_option(&buf->b_p_qe); 1763 #endif 1764 buf->b_p_ar = -1; 1765 } 1766 1767 /* 1768 * get alternate file n 1769 * set linenr to lnum or altfpos.lnum if lnum == 0 1770 * also set cursor column to altfpos.col if 'startofline' is not set. 1771 * if (options & GETF_SETMARK) call setpcmark() 1772 * if (options & GETF_ALT) we are jumping to an alternate file. 1773 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 1774 * 1775 * return FAIL for failure, OK for success 1776 */ 1777 int 1778 buflist_getfile(n, lnum, options, forceit) 1779 int n; 1780 linenr_T lnum; 1781 int options; 1782 int forceit; 1783 { 1784 buf_T *buf; 1785 #ifdef FEAT_WINDOWS 1786 win_T *wp = NULL; 1787 #endif 1788 pos_T *fpos; 1789 colnr_T col; 1790 1791 buf = buflist_findnr(n); 1792 if (buf == NULL) 1793 { 1794 if ((options & GETF_ALT) && n == 0) 1795 EMSG(_(e_noalt)); 1796 else 1797 EMSGN(_("E92: Buffer %ld not found"), n); 1798 return FAIL; 1799 } 1800 1801 /* if alternate file is the current buffer, nothing to do */ 1802 if (buf == curbuf) 1803 return OK; 1804 1805 #ifdef FEAT_CMDWIN 1806 if (cmdwin_type != 0) 1807 return FAIL; 1808 #endif 1809 1810 /* altfpos may be changed by getfile(), get it now */ 1811 if (lnum == 0) 1812 { 1813 fpos = buflist_findfpos(buf); 1814 lnum = fpos->lnum; 1815 col = fpos->col; 1816 } 1817 else 1818 col = 0; 1819 1820 #ifdef FEAT_WINDOWS 1821 if (options & GETF_SWITCH) 1822 { 1823 /* use existing open window for buffer if wanted */ 1824 if (vim_strchr(p_swb, 'u')) /* useopen */ 1825 wp = buf_jump_open_win(buf); 1826 /* split window if wanted ("split") */ 1827 if (wp == NULL && vim_strchr(p_swb, 't') && !bufempty()) 1828 { 1829 if (win_split(0, 0) == FAIL) 1830 return FAIL; 1831 # ifdef FEAT_SCROLLBIND 1832 curwin->w_p_scb = FALSE; 1833 # endif 1834 } 1835 } 1836 #endif 1837 1838 ++RedrawingDisabled; 1839 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 1840 lnum, forceit) <= 0) 1841 { 1842 --RedrawingDisabled; 1843 1844 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 1845 if (!p_sol && col != 0) 1846 { 1847 curwin->w_cursor.col = col; 1848 check_cursor_col(); 1849 #ifdef FEAT_VIRTUALEDIT 1850 curwin->w_cursor.coladd = 0; 1851 #endif 1852 curwin->w_set_curswant = TRUE; 1853 } 1854 return OK; 1855 } 1856 --RedrawingDisabled; 1857 return FAIL; 1858 } 1859 1860 /* 1861 * go to the last know line number for the current buffer 1862 */ 1863 void 1864 buflist_getfpos() 1865 { 1866 pos_T *fpos; 1867 1868 fpos = buflist_findfpos(curbuf); 1869 1870 curwin->w_cursor.lnum = fpos->lnum; 1871 check_cursor_lnum(); 1872 1873 if (p_sol) 1874 curwin->w_cursor.col = 0; 1875 else 1876 { 1877 curwin->w_cursor.col = fpos->col; 1878 check_cursor_col(); 1879 #ifdef FEAT_VIRTUALEDIT 1880 curwin->w_cursor.coladd = 0; 1881 #endif 1882 curwin->w_set_curswant = TRUE; 1883 } 1884 } 1885 1886 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 1887 /* 1888 * Find file in buffer list by name (it has to be for the current window). 1889 * Returns NULL if not found. 1890 */ 1891 buf_T * 1892 buflist_findname_exp(fname) 1893 char_u *fname; 1894 { 1895 char_u *ffname; 1896 buf_T *buf = NULL; 1897 1898 /* First make the name into a full path name */ 1899 ffname = FullName_save(fname, 1900 #ifdef UNIX 1901 TRUE /* force expansion, get rid of symbolic links */ 1902 #else 1903 FALSE 1904 #endif 1905 ); 1906 if (ffname != NULL) 1907 { 1908 buf = buflist_findname(ffname); 1909 vim_free(ffname); 1910 } 1911 return buf; 1912 } 1913 #endif 1914 1915 /* 1916 * Find file in buffer list by name (it has to be for the current window). 1917 * "ffname" must have a full path. 1918 * Skips dummy buffers. 1919 * Returns NULL if not found. 1920 */ 1921 buf_T * 1922 buflist_findname(ffname) 1923 char_u *ffname; 1924 { 1925 #ifdef UNIX 1926 struct stat st; 1927 1928 if (mch_stat((char *)ffname, &st) < 0) 1929 st.st_dev = (dev_T)-1; 1930 return buflist_findname_stat(ffname, &st); 1931 } 1932 1933 /* 1934 * Same as buflist_findname(), but pass the stat structure to avoid getting it 1935 * twice for the same file. 1936 * Returns NULL if not found. 1937 */ 1938 static buf_T * 1939 buflist_findname_stat(ffname, stp) 1940 char_u *ffname; 1941 struct stat *stp; 1942 { 1943 #endif 1944 buf_T *buf; 1945 1946 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1947 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 1948 #ifdef UNIX 1949 , stp 1950 #endif 1951 )) 1952 return buf; 1953 return NULL; 1954 } 1955 1956 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) || defined(PROTO) 1957 /* 1958 * Find file in buffer list by a regexp pattern. 1959 * Return fnum of the found buffer. 1960 * Return < 0 for error. 1961 */ 1962 /*ARGSUSED*/ 1963 int 1964 buflist_findpat(pattern, pattern_end, unlisted, diffmode) 1965 char_u *pattern; 1966 char_u *pattern_end; /* pointer to first char after pattern */ 1967 int unlisted; /* find unlisted buffers */ 1968 int diffmode; /* find diff-mode buffers only */ 1969 { 1970 buf_T *buf; 1971 regprog_T *prog; 1972 int match = -1; 1973 int find_listed; 1974 char_u *pat; 1975 char_u *patend; 1976 int attempt; 1977 char_u *p; 1978 int toggledollar; 1979 1980 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 1981 { 1982 if (*pattern == '%') 1983 match = curbuf->b_fnum; 1984 else 1985 match = curwin->w_alt_fnum; 1986 #ifdef FEAT_DIFF 1987 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 1988 match = -1; 1989 #endif 1990 } 1991 1992 /* 1993 * Try four ways of matching a listed buffer: 1994 * attempt == 0: without '^' or '$' (at any position) 1995 * attempt == 1: with '^' at start (only at postion 0) 1996 * attempt == 2: with '$' at end (only match at end) 1997 * attempt == 3: with '^' at start and '$' at end (only full match) 1998 * Repeat this for finding an unlisted buffer if there was no matching 1999 * listed buffer. 2000 */ 2001 else 2002 { 2003 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2004 if (pat == NULL) 2005 return -1; 2006 patend = pat + STRLEN(pat) - 1; 2007 toggledollar = (patend > pat && *patend == '$'); 2008 2009 /* First try finding a listed buffer. If not found and "unlisted" 2010 * is TRUE, try finding an unlisted buffer. */ 2011 find_listed = TRUE; 2012 for (;;) 2013 { 2014 for (attempt = 0; attempt <= 3; ++attempt) 2015 { 2016 /* may add '^' and '$' */ 2017 if (toggledollar) 2018 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2019 p = pat; 2020 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2021 ++p; 2022 prog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2023 if (prog == NULL) 2024 { 2025 vim_free(pat); 2026 return -1; 2027 } 2028 2029 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2030 if (buf->b_p_bl == find_listed 2031 #ifdef FEAT_DIFF 2032 && (!diffmode || diff_mode_buf(buf)) 2033 #endif 2034 && buflist_match(prog, buf) != NULL) 2035 { 2036 if (match >= 0) /* already found a match */ 2037 { 2038 match = -2; 2039 break; 2040 } 2041 match = buf->b_fnum; /* remember first match */ 2042 } 2043 2044 vim_free(prog); 2045 if (match >= 0) /* found one match */ 2046 break; 2047 } 2048 2049 /* Only search for unlisted buffers if there was no match with 2050 * a listed buffer. */ 2051 if (!unlisted || !find_listed || match != -1) 2052 break; 2053 find_listed = FALSE; 2054 } 2055 2056 vim_free(pat); 2057 } 2058 2059 if (match == -2) 2060 EMSG2(_("E93: More than one match for %s"), pattern); 2061 else if (match < 0) 2062 EMSG2(_("E94: No matching buffer for %s"), pattern); 2063 return match; 2064 } 2065 #endif 2066 2067 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2068 2069 /* 2070 * Find all buffer names that match. 2071 * For command line expansion of ":buf" and ":sbuf". 2072 * Return OK if matches found, FAIL otherwise. 2073 */ 2074 int 2075 ExpandBufnames(pat, num_file, file, options) 2076 char_u *pat; 2077 int *num_file; 2078 char_u ***file; 2079 int options; 2080 { 2081 int count = 0; 2082 buf_T *buf; 2083 int round; 2084 char_u *p; 2085 int attempt; 2086 regprog_T *prog; 2087 char_u *patc; 2088 2089 *num_file = 0; /* return values in case of FAIL */ 2090 *file = NULL; 2091 2092 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2093 if (*pat == '^') 2094 { 2095 patc = alloc((unsigned)STRLEN(pat) + 11); 2096 if (patc == NULL) 2097 return FAIL; 2098 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2099 STRCPY(patc + 11, pat + 1); 2100 } 2101 else 2102 patc = pat; 2103 2104 /* 2105 * attempt == 0: try match with '\<', match at start of word 2106 * attempt == 1: try match without '\<', match anywhere 2107 */ 2108 for (attempt = 0; attempt <= 1; ++attempt) 2109 { 2110 if (attempt > 0 && patc == pat) 2111 break; /* there was no anchor, no need to try again */ 2112 prog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2113 if (prog == NULL) 2114 { 2115 if (patc != pat) 2116 vim_free(patc); 2117 return FAIL; 2118 } 2119 2120 /* 2121 * round == 1: Count the matches. 2122 * round == 2: Build the array to keep the matches. 2123 */ 2124 for (round = 1; round <= 2; ++round) 2125 { 2126 count = 0; 2127 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2128 { 2129 if (!buf->b_p_bl) /* skip unlisted buffers */ 2130 continue; 2131 p = buflist_match(prog, buf); 2132 if (p != NULL) 2133 { 2134 if (round == 1) 2135 ++count; 2136 else 2137 { 2138 if (options & WILD_HOME_REPLACE) 2139 p = home_replace_save(buf, p); 2140 else 2141 p = vim_strsave(p); 2142 (*file)[count++] = p; 2143 } 2144 } 2145 } 2146 if (count == 0) /* no match found, break here */ 2147 break; 2148 if (round == 1) 2149 { 2150 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2151 if (*file == NULL) 2152 { 2153 vim_free(prog); 2154 if (patc != pat) 2155 vim_free(patc); 2156 return FAIL; 2157 } 2158 } 2159 } 2160 vim_free(prog); 2161 if (count) /* match(es) found, break here */ 2162 break; 2163 } 2164 2165 if (patc != pat) 2166 vim_free(patc); 2167 2168 *num_file = count; 2169 return (count == 0 ? FAIL : OK); 2170 } 2171 2172 #endif /* FEAT_CMDL_COMPL */ 2173 2174 #ifdef HAVE_BUFLIST_MATCH 2175 /* 2176 * Check for a match on the file name for buffer "buf" with regprog "prog". 2177 */ 2178 static char_u * 2179 buflist_match(prog, buf) 2180 regprog_T *prog; 2181 buf_T *buf; 2182 { 2183 char_u *match; 2184 2185 /* First try the short file name, then the long file name. */ 2186 match = fname_match(prog, buf->b_sfname); 2187 if (match == NULL) 2188 match = fname_match(prog, buf->b_ffname); 2189 2190 return match; 2191 } 2192 2193 /* 2194 * Try matching the regexp in "prog" with file name "name". 2195 * Return "name" when there is a match, NULL when not. 2196 */ 2197 static char_u * 2198 fname_match(prog, name) 2199 regprog_T *prog; 2200 char_u *name; 2201 { 2202 char_u *match = NULL; 2203 char_u *p; 2204 regmatch_T regmatch; 2205 2206 if (name != NULL) 2207 { 2208 regmatch.regprog = prog; 2209 #ifdef CASE_INSENSITIVE_FILENAME 2210 regmatch.rm_ic = TRUE; /* Always ignore case */ 2211 #else 2212 regmatch.rm_ic = FALSE; /* Never ignore case */ 2213 #endif 2214 2215 if (vim_regexec(®match, name, (colnr_T)0)) 2216 match = name; 2217 else 2218 { 2219 /* Replace $(HOME) with '~' and try matching again. */ 2220 p = home_replace_save(NULL, name); 2221 if (p != NULL && vim_regexec(®match, p, (colnr_T)0)) 2222 match = name; 2223 vim_free(p); 2224 } 2225 } 2226 2227 return match; 2228 } 2229 #endif 2230 2231 /* 2232 * find file in buffer list by number 2233 */ 2234 buf_T * 2235 buflist_findnr(nr) 2236 int nr; 2237 { 2238 buf_T *buf; 2239 2240 if (nr == 0) 2241 nr = curwin->w_alt_fnum; 2242 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2243 if (buf->b_fnum == nr) 2244 return (buf); 2245 return NULL; 2246 } 2247 2248 /* 2249 * Get name of file 'n' in the buffer list. 2250 * When the file has no name an empty string is returned. 2251 * home_replace() is used to shorten the file name (used for marks). 2252 * Returns a pointer to allocated memory, of NULL when failed. 2253 */ 2254 char_u * 2255 buflist_nr2name(n, fullname, helptail) 2256 int n; 2257 int fullname; 2258 int helptail; /* for help buffers return tail only */ 2259 { 2260 buf_T *buf; 2261 2262 buf = buflist_findnr(n); 2263 if (buf == NULL) 2264 return NULL; 2265 return home_replace_save(helptail ? buf : NULL, 2266 fullname ? buf->b_ffname : buf->b_fname); 2267 } 2268 2269 /* 2270 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2271 * When "copy_options" is TRUE save the local window option values. 2272 * When "lnum" is 0 only do the options. 2273 */ 2274 static void 2275 buflist_setfpos(buf, win, lnum, col, copy_options) 2276 buf_T *buf; 2277 win_T *win; 2278 linenr_T lnum; 2279 colnr_T col; 2280 int copy_options; 2281 { 2282 wininfo_T *wip; 2283 2284 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2285 if (wip->wi_win == win) 2286 break; 2287 if (wip == NULL) 2288 { 2289 /* allocate a new entry */ 2290 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2291 if (wip == NULL) 2292 return; 2293 wip->wi_win = win; 2294 if (lnum == 0) /* set lnum even when it's 0 */ 2295 lnum = 1; 2296 } 2297 else 2298 { 2299 /* remove the entry from the list */ 2300 if (wip->wi_prev) 2301 wip->wi_prev->wi_next = wip->wi_next; 2302 else 2303 buf->b_wininfo = wip->wi_next; 2304 if (wip->wi_next) 2305 wip->wi_next->wi_prev = wip->wi_prev; 2306 if (copy_options && wip->wi_optset) 2307 { 2308 clear_winopt(&wip->wi_opt); 2309 #ifdef FEAT_FOLDING 2310 deleteFoldRecurse(&wip->wi_folds); 2311 #endif 2312 } 2313 } 2314 if (lnum != 0) 2315 { 2316 wip->wi_fpos.lnum = lnum; 2317 wip->wi_fpos.col = col; 2318 } 2319 if (copy_options) 2320 { 2321 /* Save the window-specific option values. */ 2322 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2323 #ifdef FEAT_FOLDING 2324 wip->wi_fold_manual = win->w_fold_manual; 2325 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2326 #endif 2327 wip->wi_optset = TRUE; 2328 } 2329 2330 /* insert the entry in front of the list */ 2331 wip->wi_next = buf->b_wininfo; 2332 buf->b_wininfo = wip; 2333 wip->wi_prev = NULL; 2334 if (wip->wi_next) 2335 wip->wi_next->wi_prev = wip; 2336 2337 return; 2338 } 2339 2340 /* 2341 * Find info for the current window in buffer "buf". 2342 * If not found, return the info for the most recently used window. 2343 * Returns NULL when there isn't any info. 2344 */ 2345 static wininfo_T * 2346 find_wininfo(buf) 2347 buf_T *buf; 2348 { 2349 wininfo_T *wip; 2350 2351 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2352 if (wip->wi_win == curwin) 2353 break; 2354 if (wip == NULL) /* if no fpos for curwin, use the first in the list */ 2355 wip = buf->b_wininfo; 2356 return wip; 2357 } 2358 2359 /* 2360 * Reset the local window options to the values last used in this window. 2361 * If the buffer wasn't used in this window before, use the values from 2362 * the most recently used window. If the values were never set, use the 2363 * global values for the window. 2364 */ 2365 void 2366 get_winopts(buf) 2367 buf_T *buf; 2368 { 2369 wininfo_T *wip; 2370 2371 clear_winopt(&curwin->w_onebuf_opt); 2372 #ifdef FEAT_FOLDING 2373 clearFolding(curwin); 2374 #endif 2375 2376 wip = find_wininfo(buf); 2377 if (wip != NULL && wip->wi_optset) 2378 { 2379 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2380 #ifdef FEAT_FOLDING 2381 curwin->w_fold_manual = wip->wi_fold_manual; 2382 curwin->w_foldinvalid = TRUE; 2383 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2384 #endif 2385 } 2386 else 2387 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2388 2389 #ifdef FEAT_FOLDING 2390 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2391 if (p_fdls >= 0) 2392 curwin->w_p_fdl = p_fdls; 2393 #endif 2394 2395 #ifdef FEAT_SYN_HL 2396 if (curwin->w_p_spell && *buf->b_p_spl != NUL) 2397 did_set_spelllang(buf); 2398 #endif 2399 } 2400 2401 /* 2402 * Find the position (lnum and col) for the buffer 'buf' for the current 2403 * window. 2404 * Returns a pointer to no_position if no position is found. 2405 */ 2406 pos_T * 2407 buflist_findfpos(buf) 2408 buf_T *buf; 2409 { 2410 wininfo_T *wip; 2411 static pos_T no_position = {1, 0}; 2412 2413 wip = find_wininfo(buf); 2414 if (wip != NULL) 2415 return &(wip->wi_fpos); 2416 else 2417 return &no_position; 2418 } 2419 2420 /* 2421 * Find the lnum for the buffer 'buf' for the current window. 2422 */ 2423 linenr_T 2424 buflist_findlnum(buf) 2425 buf_T *buf; 2426 { 2427 return buflist_findfpos(buf)->lnum; 2428 } 2429 2430 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2431 /* 2432 * List all know file names (for :files and :buffers command). 2433 */ 2434 /*ARGSUSED*/ 2435 void 2436 buflist_list(eap) 2437 exarg_T *eap; 2438 { 2439 buf_T *buf; 2440 int len; 2441 int i; 2442 2443 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2444 { 2445 /* skip unlisted buffers, unless ! was used */ 2446 if (!buf->b_p_bl && !eap->forceit) 2447 continue; 2448 msg_putchar('\n'); 2449 if (buf_spname(buf) != NULL) 2450 STRCPY(NameBuff, buf_spname(buf)); 2451 else 2452 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2453 2454 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 2455 buf->b_fnum, 2456 buf->b_p_bl ? ' ' : 'u', 2457 buf == curbuf ? '%' : 2458 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2459 buf->b_ml.ml_mfp == NULL ? ' ' : 2460 (buf->b_nwindows == 0 ? 'h' : 'a'), 2461 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2462 (buf->b_flags & BF_READERR) ? 'x' 2463 : (bufIsChanged(buf) ? '+' : ' '), 2464 NameBuff); 2465 2466 /* put "line 999" in column 40 or after the file name */ 2467 i = 40 - vim_strsize(IObuff); 2468 do 2469 { 2470 IObuff[len++] = ' '; 2471 } while (--i > 0 && len < IOSIZE - 18); 2472 vim_snprintf((char *)IObuff + len, IOSIZE - len, _("line %ld"), 2473 buf == curbuf ? curwin->w_cursor.lnum 2474 : (long)buflist_findlnum(buf)); 2475 msg_outtrans(IObuff); 2476 out_flush(); /* output one line at a time */ 2477 ui_breakcheck(); 2478 } 2479 } 2480 #endif 2481 2482 /* 2483 * Get file name and line number for file 'fnum'. 2484 * Used by DoOneCmd() for translating '%' and '#'. 2485 * Used by insert_reg() and cmdline_paste() for '#' register. 2486 * Return FAIL if not found, OK for success. 2487 */ 2488 int 2489 buflist_name_nr(fnum, fname, lnum) 2490 int fnum; 2491 char_u **fname; 2492 linenr_T *lnum; 2493 { 2494 buf_T *buf; 2495 2496 buf = buflist_findnr(fnum); 2497 if (buf == NULL || buf->b_fname == NULL) 2498 return FAIL; 2499 2500 *fname = buf->b_fname; 2501 *lnum = buflist_findlnum(buf); 2502 2503 return OK; 2504 } 2505 2506 /* 2507 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2508 * The file name with the full path is also remembered, for when :cd is used. 2509 * Returns FAIL for failure (file name already in use by other buffer) 2510 * OK otherwise. 2511 */ 2512 int 2513 setfname(buf, ffname, sfname, message) 2514 buf_T *buf; 2515 char_u *ffname, *sfname; 2516 int message; /* give message when buffer already exists */ 2517 { 2518 buf_T *obuf = NULL; 2519 #ifdef UNIX 2520 struct stat st; 2521 #endif 2522 2523 if (ffname == NULL || *ffname == NUL) 2524 { 2525 /* Removing the name. */ 2526 vim_free(buf->b_ffname); 2527 vim_free(buf->b_sfname); 2528 buf->b_ffname = NULL; 2529 buf->b_sfname = NULL; 2530 #ifdef UNIX 2531 st.st_dev = (dev_T)-1; 2532 #endif 2533 } 2534 else 2535 { 2536 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2537 if (ffname == NULL) /* out of memory */ 2538 return FAIL; 2539 2540 /* 2541 * if the file name is already used in another buffer: 2542 * - if the buffer is loaded, fail 2543 * - if the buffer is not loaded, delete it from the list 2544 */ 2545 #ifdef UNIX 2546 if (mch_stat((char *)ffname, &st) < 0) 2547 st.st_dev = (dev_T)-1; 2548 #endif 2549 if (!(buf->b_flags & BF_DUMMY)) 2550 #ifdef UNIX 2551 obuf = buflist_findname_stat(ffname, &st); 2552 #else 2553 obuf = buflist_findname(ffname); 2554 #endif 2555 if (obuf != NULL && obuf != buf) 2556 { 2557 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2558 { 2559 if (message) 2560 EMSG(_("E95: Buffer with this name already exists")); 2561 vim_free(ffname); 2562 return FAIL; 2563 } 2564 close_buffer(NULL, obuf, DOBUF_WIPE); /* delete from the list */ 2565 } 2566 sfname = vim_strsave(sfname); 2567 if (ffname == NULL || sfname == NULL) 2568 { 2569 vim_free(sfname); 2570 vim_free(ffname); 2571 return FAIL; 2572 } 2573 #ifdef USE_FNAME_CASE 2574 # ifdef USE_LONG_FNAME 2575 if (USE_LONG_FNAME) 2576 # endif 2577 fname_case(sfname, 0); /* set correct case for short file name */ 2578 #endif 2579 vim_free(buf->b_ffname); 2580 vim_free(buf->b_sfname); 2581 buf->b_ffname = ffname; 2582 buf->b_sfname = sfname; 2583 } 2584 buf->b_fname = buf->b_sfname; 2585 #ifdef UNIX 2586 if (st.st_dev == (dev_T)-1) 2587 buf->b_dev = -1; 2588 else 2589 { 2590 buf->b_dev = st.st_dev; 2591 buf->b_ino = st.st_ino; 2592 } 2593 #endif 2594 2595 #ifndef SHORT_FNAME 2596 buf->b_shortname = FALSE; 2597 #endif 2598 2599 buf_name_changed(buf); 2600 return OK; 2601 } 2602 2603 /* 2604 * Crude way of changing the name of a buffer. Use with care! 2605 * The name should be relative to the current directory. 2606 */ 2607 void 2608 buf_set_name(fnum, name) 2609 int fnum; 2610 char_u *name; 2611 { 2612 buf_T *buf; 2613 2614 buf = buflist_findnr(fnum); 2615 if (buf != NULL) 2616 { 2617 vim_free(buf->b_sfname); 2618 vim_free(buf->b_ffname); 2619 buf->b_sfname = vim_strsave(name); 2620 buf->b_ffname = FullName_save(buf->b_sfname, FALSE); 2621 buf->b_fname = buf->b_sfname; 2622 } 2623 } 2624 2625 /* 2626 * Take care of what needs to be done when the name of buffer "buf" has 2627 * changed. 2628 */ 2629 void 2630 buf_name_changed(buf) 2631 buf_T *buf; 2632 { 2633 /* 2634 * If the file name changed, also change the name of the swapfile 2635 */ 2636 if (buf->b_ml.ml_mfp != NULL) 2637 ml_setname(buf); 2638 2639 if (curwin->w_buffer == buf) 2640 check_arg_idx(curwin); /* check file name for arg list */ 2641 #ifdef FEAT_TITLE 2642 maketitle(); /* set window title */ 2643 #endif 2644 #ifdef FEAT_WINDOWS 2645 status_redraw_all(); /* status lines need to be redrawn */ 2646 #endif 2647 fmarks_check_names(buf); /* check named file marks */ 2648 ml_timestamp(buf); /* reset timestamp */ 2649 } 2650 2651 /* 2652 * set alternate file name for current window 2653 * 2654 * Used by do_one_cmd(), do_write() and do_ecmd(). 2655 * Return the buffer. 2656 */ 2657 buf_T * 2658 setaltfname(ffname, sfname, lnum) 2659 char_u *ffname; 2660 char_u *sfname; 2661 linenr_T lnum; 2662 { 2663 buf_T *buf; 2664 2665 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2666 buf = buflist_new(ffname, sfname, lnum, 0); 2667 if (buf != NULL && !cmdmod.keepalt) 2668 curwin->w_alt_fnum = buf->b_fnum; 2669 return buf; 2670 } 2671 2672 /* 2673 * Get alternate file name for current window. 2674 * Return NULL if there isn't any, and give error message if requested. 2675 */ 2676 char_u * 2677 getaltfname(errmsg) 2678 int errmsg; /* give error message */ 2679 { 2680 char_u *fname; 2681 linenr_T dummy; 2682 2683 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 2684 { 2685 if (errmsg) 2686 EMSG(_(e_noalt)); 2687 return NULL; 2688 } 2689 return fname; 2690 } 2691 2692 /* 2693 * Add a file name to the buflist and return its number. 2694 * Uses same flags as buflist_new(), except BLN_DUMMY. 2695 * 2696 * used by qf_init(), main() and doarglist() 2697 */ 2698 int 2699 buflist_add(fname, flags) 2700 char_u *fname; 2701 int flags; 2702 { 2703 buf_T *buf; 2704 2705 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 2706 if (buf != NULL) 2707 return buf->b_fnum; 2708 return 0; 2709 } 2710 2711 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 2712 /* 2713 * Adjust slashes in file names. Called after 'shellslash' was set. 2714 */ 2715 void 2716 buflist_slash_adjust() 2717 { 2718 buf_T *bp; 2719 2720 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 2721 { 2722 if (bp->b_ffname != NULL) 2723 slash_adjust(bp->b_ffname); 2724 if (bp->b_sfname != NULL) 2725 slash_adjust(bp->b_sfname); 2726 } 2727 } 2728 #endif 2729 2730 /* 2731 * Set alternate cursor position for current window. 2732 * Also save the local window option values. 2733 */ 2734 void 2735 buflist_altfpos() 2736 { 2737 buflist_setfpos(curbuf, curwin, curwin->w_cursor.lnum, 2738 curwin->w_cursor.col, TRUE); 2739 } 2740 2741 /* 2742 * Return TRUE if 'ffname' is not the same file as current file. 2743 * Fname must have a full path (expanded by mch_FullName()). 2744 */ 2745 int 2746 otherfile(ffname) 2747 char_u *ffname; 2748 { 2749 return otherfile_buf(curbuf, ffname 2750 #ifdef UNIX 2751 , NULL 2752 #endif 2753 ); 2754 } 2755 2756 static int 2757 otherfile_buf(buf, ffname 2758 #ifdef UNIX 2759 , stp 2760 #endif 2761 ) 2762 buf_T *buf; 2763 char_u *ffname; 2764 #ifdef UNIX 2765 struct stat *stp; 2766 #endif 2767 { 2768 /* no name is different */ 2769 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 2770 return TRUE; 2771 if (fnamecmp(ffname, buf->b_ffname) == 0) 2772 return FALSE; 2773 #ifdef UNIX 2774 { 2775 struct stat st; 2776 2777 /* If no struct stat given, get it now */ 2778 if (stp == NULL) 2779 { 2780 if (buf->b_dev < 0 || mch_stat((char *)ffname, &st) < 0) 2781 st.st_dev = (dev_T)-1; 2782 stp = &st; 2783 } 2784 /* Use dev/ino to check if the files are the same, even when the names 2785 * are different (possible with links). Still need to compare the 2786 * name above, for when the file doesn't exist yet. 2787 * Problem: The dev/ino changes when a file is deleted (and created 2788 * again) and remains the same when renamed/moved. We don't want to 2789 * mch_stat() each buffer each time, that would be too slow. Get the 2790 * dev/ino again when they appear to match, but not when they appear 2791 * to be different: Could skip a buffer when it's actually the same 2792 * file. */ 2793 if (buf_same_ino(buf, stp)) 2794 { 2795 buf_setino(buf); 2796 if (buf_same_ino(buf, stp)) 2797 return FALSE; 2798 } 2799 } 2800 #endif 2801 return TRUE; 2802 } 2803 2804 #if defined(UNIX) || defined(PROTO) 2805 /* 2806 * Set inode and device number for a buffer. 2807 * Must always be called when b_fname is changed!. 2808 */ 2809 void 2810 buf_setino(buf) 2811 buf_T *buf; 2812 { 2813 struct stat st; 2814 2815 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 2816 { 2817 buf->b_dev = st.st_dev; 2818 buf->b_ino = st.st_ino; 2819 } 2820 else 2821 buf->b_dev = -1; 2822 } 2823 2824 /* 2825 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 2826 */ 2827 static int 2828 buf_same_ino(buf, stp) 2829 buf_T *buf; 2830 struct stat *stp; 2831 { 2832 return (buf->b_dev >= 0 2833 && stp->st_dev == buf->b_dev 2834 && stp->st_ino == buf->b_ino); 2835 } 2836 #endif 2837 2838 void 2839 fileinfo(fullname, shorthelp, dont_truncate) 2840 int fullname; 2841 int shorthelp; 2842 int dont_truncate; 2843 { 2844 char_u *name; 2845 int n; 2846 char_u *p; 2847 char_u *buffer; 2848 size_t len; 2849 2850 buffer = alloc(IOSIZE); 2851 if (buffer == NULL) 2852 return; 2853 2854 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 2855 { 2856 sprintf((char *)buffer, "buf %d: ", curbuf->b_fnum); 2857 p = buffer + STRLEN(buffer); 2858 } 2859 else 2860 p = buffer; 2861 2862 *p++ = '"'; 2863 if (buf_spname(curbuf) != NULL) 2864 STRCPY(p, buf_spname(curbuf)); 2865 else 2866 { 2867 if (!fullname && curbuf->b_fname != NULL) 2868 name = curbuf->b_fname; 2869 else 2870 name = curbuf->b_ffname; 2871 home_replace(shorthelp ? curbuf : NULL, name, p, 2872 (int)(IOSIZE - (p - buffer)), TRUE); 2873 } 2874 2875 len = STRLEN(buffer); 2876 vim_snprintf((char *)buffer + len, IOSIZE - len, 2877 "\"%s%s%s%s%s%s", 2878 curbufIsChanged() ? (shortmess(SHM_MOD) 2879 ? " [+]" : _(" [Modified]")) : " ", 2880 (curbuf->b_flags & BF_NOTEDITED) 2881 #ifdef FEAT_QUICKFIX 2882 && !bt_dontwrite(curbuf) 2883 #endif 2884 ? _("[Not edited]") : "", 2885 (curbuf->b_flags & BF_NEW) 2886 #ifdef FEAT_QUICKFIX 2887 && !bt_dontwrite(curbuf) 2888 #endif 2889 ? _("[New file]") : "", 2890 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 2891 curbuf->b_p_ro ? (shortmess(SHM_RO) ? "[RO]" 2892 : _("[readonly]")) : "", 2893 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 2894 || curbuf->b_p_ro) ? 2895 " " : ""); 2896 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 2897 * causes an overflow, thus for large numbers divide instead. */ 2898 if (curwin->w_cursor.lnum > 1000000L) 2899 n = (int)(((long)curwin->w_cursor.lnum) / 2900 ((long)curbuf->b_ml.ml_line_count / 100L)); 2901 else 2902 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 2903 (long)curbuf->b_ml.ml_line_count); 2904 len = STRLEN(buffer); 2905 if (curbuf->b_ml.ml_flags & ML_EMPTY) 2906 { 2907 vim_snprintf((char *)buffer + len, IOSIZE - len, "%s", _(no_lines_msg)); 2908 } 2909 #ifdef FEAT_CMDL_INFO 2910 else if (p_ru) 2911 { 2912 /* Current line and column are already on the screen -- webb */ 2913 if (curbuf->b_ml.ml_line_count == 1) 2914 vim_snprintf((char *)buffer + len, IOSIZE - len, 2915 _("1 line --%d%%--"), n); 2916 else 2917 vim_snprintf((char *)buffer + len, IOSIZE - len, 2918 _("%ld lines --%d%%--"), 2919 (long)curbuf->b_ml.ml_line_count, n); 2920 } 2921 #endif 2922 else 2923 { 2924 vim_snprintf((char *)buffer + len, IOSIZE - len, 2925 _("line %ld of %ld --%d%%-- col "), 2926 (long)curwin->w_cursor.lnum, 2927 (long)curbuf->b_ml.ml_line_count, 2928 n); 2929 validate_virtcol(); 2930 col_print(buffer + STRLEN(buffer), 2931 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 2932 } 2933 2934 (void)append_arg_number(curwin, buffer, !shortmess(SHM_FILE), IOSIZE); 2935 2936 if (dont_truncate) 2937 { 2938 /* Temporarily set msg_scroll to avoid the message being truncated. 2939 * First call msg_start() to get the message in the right place. */ 2940 msg_start(); 2941 n = msg_scroll; 2942 msg_scroll = TRUE; 2943 msg(buffer); 2944 msg_scroll = n; 2945 } 2946 else 2947 { 2948 p = msg_trunc_attr(buffer, FALSE, 0); 2949 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 2950 { 2951 /* Need to repeat the message after redrawing when: 2952 * - When restart_edit is set (otherwise there will be a delay 2953 * before redrawing). 2954 * - When the screen was scrolled but there is no wait-return 2955 * prompt. */ 2956 set_keep_msg(p); 2957 keep_msg_attr = 0; 2958 } 2959 } 2960 2961 vim_free(buffer); 2962 } 2963 2964 void 2965 col_print(buf, col, vcol) 2966 char_u *buf; 2967 int col; 2968 int vcol; 2969 { 2970 if (col == vcol) 2971 sprintf((char *)buf, "%d", col); 2972 else 2973 sprintf((char *)buf, "%d-%d", col, vcol); 2974 } 2975 2976 #if defined(FEAT_TITLE) || defined(PROTO) 2977 /* 2978 * put file name in title bar of window and in icon title 2979 */ 2980 2981 static char_u *lasttitle = NULL; 2982 static char_u *lasticon = NULL; 2983 2984 void 2985 maketitle() 2986 { 2987 char_u *p; 2988 char_u *t_str = NULL; 2989 char_u *i_name; 2990 char_u *i_str = NULL; 2991 int maxlen = 0; 2992 int len; 2993 int mustset; 2994 char_u buf[IOSIZE]; 2995 int off; 2996 2997 if (!redrawing()) 2998 { 2999 /* Postpone updating the title when 'lazyredraw' is set. */ 3000 need_maketitle = TRUE; 3001 return; 3002 } 3003 3004 need_maketitle = FALSE; 3005 if (!p_title && !p_icon) 3006 return; 3007 3008 if (p_title) 3009 { 3010 if (p_titlelen > 0) 3011 { 3012 maxlen = p_titlelen * Columns / 100; 3013 if (maxlen < 10) 3014 maxlen = 10; 3015 } 3016 3017 t_str = buf; 3018 if (*p_titlestring != NUL) 3019 { 3020 #ifdef FEAT_STL_OPT 3021 if (stl_syntax & STL_IN_TITLE) 3022 build_stl_str_hl(curwin, t_str, sizeof(buf), 3023 p_titlestring, 0, maxlen, NULL); 3024 else 3025 #endif 3026 t_str = p_titlestring; 3027 } 3028 else 3029 { 3030 /* format: "fname + (path) (1 of 2) - VIM" */ 3031 3032 if (curbuf->b_fname == NULL) 3033 STRCPY(buf, _("[No Name]")); 3034 else 3035 { 3036 p = transstr(gettail(curbuf->b_fname)); 3037 vim_strncpy(buf, p, IOSIZE - 100); 3038 vim_free(p); 3039 } 3040 3041 switch (bufIsChanged(curbuf) 3042 + (curbuf->b_p_ro * 2) 3043 + (!curbuf->b_p_ma * 4)) 3044 { 3045 case 1: STRCAT(buf, " +"); break; 3046 case 2: STRCAT(buf, " ="); break; 3047 case 3: STRCAT(buf, " =+"); break; 3048 case 4: 3049 case 6: STRCAT(buf, " -"); break; 3050 case 5: 3051 case 7: STRCAT(buf, " -+"); break; 3052 } 3053 3054 if (curbuf->b_fname != NULL) 3055 { 3056 /* Get path of file, replace home dir with ~ */ 3057 off = (int)STRLEN(buf); 3058 buf[off++] = ' '; 3059 buf[off++] = '('; 3060 home_replace(curbuf, curbuf->b_ffname, 3061 buf + off, IOSIZE - off, TRUE); 3062 #ifdef BACKSLASH_IN_FILENAME 3063 /* avoid "c:/name" to be reduced to "c" */ 3064 if (isalpha(buf[off]) && buf[off + 1] == ':') 3065 off += 2; 3066 #endif 3067 /* remove the file name */ 3068 p = gettail_sep(buf + off); 3069 if (p == buf + off) 3070 /* must be a help buffer */ 3071 vim_strncpy(buf + off, (char_u *)_("help"), 3072 IOSIZE - off - 1); 3073 else 3074 *p = NUL; 3075 3076 /* translate unprintable chars */ 3077 p = transstr(buf + off); 3078 vim_strncpy(buf + off, p, IOSIZE - off - 1); 3079 vim_free(p); 3080 STRCAT(buf, ")"); 3081 } 3082 3083 append_arg_number(curwin, buf, FALSE, IOSIZE); 3084 3085 #if defined(FEAT_CLIENTSERVER) 3086 if (serverName != NULL) 3087 { 3088 STRCAT(buf, " - "); 3089 STRCAT(buf, serverName); 3090 } 3091 else 3092 #endif 3093 STRCAT(buf, " - VIM"); 3094 3095 if (maxlen > 0) 3096 { 3097 /* make it shorter by removing a bit in the middle */ 3098 len = vim_strsize(buf); 3099 if (len > maxlen) 3100 trunc_string(buf, buf, maxlen); 3101 } 3102 } 3103 } 3104 mustset = ti_change(t_str, &lasttitle); 3105 3106 if (p_icon) 3107 { 3108 i_str = buf; 3109 if (*p_iconstring != NUL) 3110 { 3111 #ifdef FEAT_STL_OPT 3112 if (stl_syntax & STL_IN_ICON) 3113 build_stl_str_hl(curwin, i_str, sizeof(buf), 3114 p_iconstring, 0, 0, NULL); 3115 else 3116 #endif 3117 i_str = p_iconstring; 3118 } 3119 else 3120 { 3121 if (buf_spname(curbuf) != NULL) 3122 i_name = (char_u *)buf_spname(curbuf); 3123 else /* use file name only in icon */ 3124 i_name = gettail(curbuf->b_ffname); 3125 *i_str = NUL; 3126 /* Truncate name at 100 bytes. */ 3127 len = STRLEN(i_name); 3128 if (len > 100) 3129 { 3130 len -= 100; 3131 #ifdef FEAT_MBYTE 3132 if (has_mbyte) 3133 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3134 #endif 3135 i_name += len; 3136 } 3137 STRCPY(i_str, i_name); 3138 trans_characters(i_str, IOSIZE); 3139 } 3140 } 3141 3142 mustset |= ti_change(i_str, &lasticon); 3143 3144 if (mustset) 3145 resettitle(); 3146 } 3147 3148 /* 3149 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3150 * from "str" if it does. 3151 * Return TRUE when "*last" changed. 3152 */ 3153 static int 3154 ti_change(str, last) 3155 char_u *str; 3156 char_u **last; 3157 { 3158 if ((str == NULL) != (*last == NULL) 3159 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3160 { 3161 vim_free(*last); 3162 if (str == NULL) 3163 *last = NULL; 3164 else 3165 *last = vim_strsave(str); 3166 return TRUE; 3167 } 3168 return FALSE; 3169 } 3170 3171 /* 3172 * Put current window title back (used after calling a shell) 3173 */ 3174 void 3175 resettitle() 3176 { 3177 mch_settitle(lasttitle, lasticon); 3178 } 3179 3180 # if defined(EXITFREE) || defined(PROTO) 3181 void 3182 free_titles() 3183 { 3184 vim_free(lasttitle); 3185 vim_free(lasticon); 3186 } 3187 # endif 3188 3189 #endif /* FEAT_TITLE */ 3190 3191 #if defined(FEAT_STL_OPT) || defined(PROTO) 3192 /* 3193 * Build a string from the status line items in fmt. 3194 * Return length of string in screen cells. 3195 * 3196 * Items are drawn interspersed with the text that surrounds it 3197 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3198 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3199 * 3200 * If maxwidth is not zero, the string will be filled at any middle marker 3201 * or truncated if too long, fillchar is used for all whitespace. 3202 */ 3203 int 3204 build_stl_str_hl(wp, out, outlen, fmt, fillchar, maxwidth, hl) 3205 win_T *wp; 3206 char_u *out; /* buffer to write into */ 3207 size_t outlen; /* length of out[] */ 3208 char_u *fmt; 3209 int fillchar; 3210 int maxwidth; 3211 struct stl_hlrec *hl; 3212 { 3213 char_u *p; 3214 char_u *s; 3215 char_u *t; 3216 char_u *linecont; 3217 #ifdef FEAT_EVAL 3218 win_T *o_curwin; 3219 buf_T *o_curbuf; 3220 #endif 3221 int empty_line; 3222 colnr_T virtcol; 3223 long l; 3224 long n; 3225 int prevchar_isflag; 3226 int prevchar_isitem; 3227 int itemisflag; 3228 int fillable; 3229 char_u *str; 3230 long num; 3231 int width; 3232 int itemcnt; 3233 int curitem; 3234 int groupitem[STL_MAX_ITEM]; 3235 int groupdepth; 3236 struct stl_item 3237 { 3238 char_u *start; 3239 int minwid; 3240 int maxwid; 3241 enum 3242 { 3243 Normal, 3244 Empty, 3245 Group, 3246 Middle, 3247 Highlight, 3248 Trunc 3249 } type; 3250 } item[STL_MAX_ITEM]; 3251 int minwid; 3252 int maxwid; 3253 int zeropad; 3254 char_u base; 3255 char_u opt; 3256 #define TMPLEN 70 3257 char_u tmp[TMPLEN]; 3258 3259 if (fillchar == 0) 3260 fillchar = ' '; 3261 /* 3262 * Get line & check if empty (cursorpos will show "0-1"). 3263 * If inversion is possible we use it. Else '=' characters are used. 3264 */ 3265 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3266 empty_line = (*linecont == NUL); 3267 3268 groupdepth = 0; 3269 p = out; 3270 curitem = 0; 3271 prevchar_isflag = TRUE; 3272 prevchar_isitem = FALSE; 3273 for (s = fmt; *s;) 3274 { 3275 if (*s != NUL && *s != '%') 3276 prevchar_isflag = prevchar_isitem = FALSE; 3277 3278 /* 3279 * Handle up to the next '%' or the end. 3280 */ 3281 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3282 *p++ = *s++; 3283 if (*s == NUL || p + 1 >= out + outlen) 3284 break; 3285 3286 /* 3287 * Handle one '%' item. 3288 */ 3289 s++; 3290 if (*s == '%') 3291 { 3292 if (p + 1 >= out + outlen) 3293 break; 3294 *p++ = *s++; 3295 prevchar_isflag = prevchar_isitem = FALSE; 3296 continue; 3297 } 3298 if (*s == STL_MIDDLEMARK) 3299 { 3300 s++; 3301 if (groupdepth > 0) 3302 continue; 3303 item[curitem].type = Middle; 3304 item[curitem++].start = p; 3305 continue; 3306 } 3307 if (*s == STL_TRUNCMARK) 3308 { 3309 s++; 3310 item[curitem].type = Trunc; 3311 item[curitem++].start = p; 3312 continue; 3313 } 3314 if (*s == ')') 3315 { 3316 s++; 3317 if (groupdepth < 1) 3318 continue; 3319 groupdepth--; 3320 3321 t = item[groupitem[groupdepth]].start; 3322 *p = NUL; 3323 l = vim_strsize(t); 3324 if (curitem > groupitem[groupdepth] + 1 3325 && item[groupitem[groupdepth]].minwid == 0) 3326 { 3327 /* remove group if all items are empty */ 3328 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3329 if (item[n].type == Normal) 3330 break; 3331 if (n == curitem) 3332 { 3333 p = t; 3334 l = 0; 3335 } 3336 } 3337 if (l > item[groupitem[groupdepth]].maxwid) 3338 { 3339 /* truncate, remove n bytes of text at the start */ 3340 #ifdef FEAT_MBYTE 3341 if (has_mbyte) 3342 { 3343 /* Find the first character that should be included. */ 3344 n = 0; 3345 while (l >= item[groupitem[groupdepth]].maxwid) 3346 { 3347 l -= ptr2cells(t + n); 3348 n += (*mb_ptr2len)(t + n); 3349 } 3350 } 3351 else 3352 #endif 3353 n = (p - t) - item[groupitem[groupdepth]].maxwid + 1; 3354 3355 *t = '<'; 3356 mch_memmove(t + 1, t + n, p - (t + n)); 3357 p = p - n + 1; 3358 #ifdef FEAT_MBYTE 3359 /* Fill up space left over by half a double-wide char. */ 3360 while (++l < item[groupitem[groupdepth]].minwid) 3361 *p++ = fillchar; 3362 #endif 3363 3364 /* correct the start of the items for the truncation */ 3365 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3366 { 3367 item[l].start -= n; 3368 if (item[l].start < t) 3369 item[l].start = t; 3370 } 3371 } 3372 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3373 { 3374 /* fill */ 3375 n = item[groupitem[groupdepth]].minwid; 3376 if (n < 0) 3377 { 3378 /* fill by appending characters */ 3379 n = 0 - n; 3380 while (l++ < n && p + 1 < out + outlen) 3381 *p++ = fillchar; 3382 } 3383 else 3384 { 3385 /* fill by inserting characters */ 3386 mch_memmove(t + n - l, t, p - t); 3387 l = n - l; 3388 if (p + l >= out + outlen) 3389 l = (out + outlen) - p - 1; 3390 p += l; 3391 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3392 item[n].start += l; 3393 for ( ; l > 0; l--) 3394 *t++ = fillchar; 3395 } 3396 } 3397 continue; 3398 } 3399 minwid = 0; 3400 maxwid = 9999; 3401 zeropad = FALSE; 3402 l = 1; 3403 if (*s == '0') 3404 { 3405 s++; 3406 zeropad = TRUE; 3407 } 3408 if (*s == '-') 3409 { 3410 s++; 3411 l = -1; 3412 } 3413 if (VIM_ISDIGIT(*s)) 3414 { 3415 minwid = (int)getdigits(&s); 3416 if (minwid < 0) /* overflow */ 3417 minwid = 0; 3418 } 3419 if (*s == STL_HIGHLIGHT) 3420 { 3421 item[curitem].type = Highlight; 3422 item[curitem].start = p; 3423 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3424 s++; 3425 curitem++; 3426 continue; 3427 } 3428 if (*s == '.') 3429 { 3430 s++; 3431 if (VIM_ISDIGIT(*s)) 3432 { 3433 maxwid = (int)getdigits(&s); 3434 if (maxwid <= 0) /* overflow */ 3435 maxwid = 50; 3436 } 3437 } 3438 minwid = (minwid > 50 ? 50 : minwid) * l; 3439 if (*s == '(') 3440 { 3441 groupitem[groupdepth++] = curitem; 3442 item[curitem].type = Group; 3443 item[curitem].start = p; 3444 item[curitem].minwid = minwid; 3445 item[curitem].maxwid = maxwid; 3446 s++; 3447 curitem++; 3448 continue; 3449 } 3450 if (vim_strchr(STL_ALL, *s) == NULL) 3451 { 3452 s++; 3453 continue; 3454 } 3455 opt = *s++; 3456 3457 /* OK - now for the real work */ 3458 base = 'D'; 3459 itemisflag = FALSE; 3460 fillable = TRUE; 3461 num = -1; 3462 str = NULL; 3463 switch (opt) 3464 { 3465 case STL_FILEPATH: 3466 case STL_FULLPATH: 3467 case STL_FILENAME: 3468 fillable = FALSE; /* don't change ' ' to fillchar */ 3469 if (buf_spname(wp->w_buffer) != NULL) 3470 STRCPY(NameBuff, buf_spname(wp->w_buffer)); 3471 else 3472 { 3473 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3474 : wp->w_buffer->b_fname; 3475 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3476 } 3477 trans_characters(NameBuff, MAXPATHL); 3478 if (opt != STL_FILENAME) 3479 str = NameBuff; 3480 else 3481 str = gettail(NameBuff); 3482 break; 3483 3484 case STL_VIM_EXPR: /* '{' */ 3485 itemisflag = TRUE; 3486 t = p; 3487 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3488 *p++ = *s++; 3489 if (*s != '}') /* missing '}' or out of space */ 3490 break; 3491 s++; 3492 *p = 0; 3493 p = t; 3494 3495 #ifdef FEAT_EVAL 3496 sprintf((char *)tmp, "%d", curbuf->b_fnum); 3497 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3498 3499 o_curbuf = curbuf; 3500 o_curwin = curwin; 3501 curwin = wp; 3502 curbuf = wp->w_buffer; 3503 3504 str = eval_to_string_safe(p, &t); 3505 3506 curwin = o_curwin; 3507 curbuf = o_curbuf; 3508 do_unlet((char_u *)"g:actual_curbuf", TRUE); 3509 3510 if (str != NULL && *str != 0) 3511 { 3512 if (*skipdigits(str) == NUL) 3513 { 3514 num = atoi((char *)str); 3515 vim_free(str); 3516 str = NULL; 3517 itemisflag = FALSE; 3518 } 3519 } 3520 #endif 3521 break; 3522 3523 case STL_LINE: 3524 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3525 ? 0L : (long)(wp->w_cursor.lnum); 3526 break; 3527 3528 case STL_NUMLINES: 3529 num = wp->w_buffer->b_ml.ml_line_count; 3530 break; 3531 3532 case STL_COLUMN: 3533 num = !(State & INSERT) && empty_line 3534 ? 0 : (int)wp->w_cursor.col + 1; 3535 break; 3536 3537 case STL_VIRTCOL: 3538 case STL_VIRTCOL_ALT: 3539 /* In list mode virtcol needs to be recomputed */ 3540 virtcol = wp->w_virtcol; 3541 if (wp->w_p_list && lcs_tab1 == NUL) 3542 { 3543 wp->w_p_list = FALSE; 3544 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3545 wp->w_p_list = TRUE; 3546 } 3547 ++virtcol; 3548 /* Don't display %V if it's the same as %c. */ 3549 if (opt == STL_VIRTCOL_ALT 3550 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3551 ? 0 : (int)wp->w_cursor.col + 1))) 3552 break; 3553 num = (long)virtcol; 3554 break; 3555 3556 case STL_PERCENTAGE: 3557 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3558 (long)wp->w_buffer->b_ml.ml_line_count); 3559 break; 3560 3561 case STL_ALTPERCENT: 3562 str = tmp; 3563 get_rel_pos(wp, str); 3564 break; 3565 3566 case STL_ARGLISTSTAT: 3567 fillable = FALSE; 3568 tmp[0] = 0; 3569 if (append_arg_number(wp, tmp, FALSE, (int)sizeof(tmp))) 3570 str = tmp; 3571 break; 3572 3573 case STL_KEYMAP: 3574 fillable = FALSE; 3575 if (get_keymap_str(wp, tmp, TMPLEN)) 3576 str = tmp; 3577 break; 3578 case STL_PAGENUM: 3579 #ifdef FEAT_PRINTER 3580 num = get_printer_page_num(); 3581 #else 3582 num = 0; 3583 #endif 3584 break; 3585 3586 case STL_BUFNO: 3587 num = wp->w_buffer->b_fnum; 3588 break; 3589 3590 case STL_OFFSET_X: 3591 base = 'X'; 3592 case STL_OFFSET: 3593 #ifdef FEAT_BYTEOFF 3594 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3595 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3596 0L : l + 1 + (!(State & INSERT) && empty_line ? 3597 0 : (int)wp->w_cursor.col); 3598 #endif 3599 break; 3600 3601 case STL_BYTEVAL_X: 3602 base = 'X'; 3603 case STL_BYTEVAL: 3604 if (((State & INSERT) && wp == curwin) || empty_line) 3605 num = 0; 3606 else 3607 { 3608 #ifdef FEAT_MBYTE 3609 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3610 #else 3611 num = linecont[wp->w_cursor.col]; 3612 #endif 3613 } 3614 if (num == NL) 3615 num = 0; 3616 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3617 num = NL; 3618 break; 3619 3620 case STL_ROFLAG: 3621 case STL_ROFLAG_ALT: 3622 itemisflag = TRUE; 3623 if (wp->w_buffer->b_p_ro) 3624 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3625 break; 3626 3627 case STL_HELPFLAG: 3628 case STL_HELPFLAG_ALT: 3629 itemisflag = TRUE; 3630 if (wp->w_buffer->b_help) 3631 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3632 : _("[help]")); 3633 break; 3634 3635 #ifdef FEAT_AUTOCMD 3636 case STL_FILETYPE: 3637 if (*wp->w_buffer->b_p_ft != NUL 3638 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3639 { 3640 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 3641 wp->w_buffer->b_p_ft); 3642 str = tmp; 3643 } 3644 break; 3645 3646 case STL_FILETYPE_ALT: 3647 itemisflag = TRUE; 3648 if (*wp->w_buffer->b_p_ft != NUL 3649 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3650 { 3651 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 3652 wp->w_buffer->b_p_ft); 3653 for (t = tmp; *t != 0; t++) 3654 *t = TOUPPER_LOC(*t); 3655 str = tmp; 3656 } 3657 break; 3658 #endif 3659 3660 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3661 case STL_PREVIEWFLAG: 3662 case STL_PREVIEWFLAG_ALT: 3663 itemisflag = TRUE; 3664 if (wp->w_p_pvw) 3665 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3666 : _("[Preview]")); 3667 break; 3668 #endif 3669 3670 case STL_MODIFIED: 3671 case STL_MODIFIED_ALT: 3672 itemisflag = TRUE; 3673 switch ((opt == STL_MODIFIED_ALT) 3674 + bufIsChanged(wp->w_buffer) * 2 3675 + (!wp->w_buffer->b_p_ma) * 4) 3676 { 3677 case 2: str = (char_u *)"[+]"; break; 3678 case 3: str = (char_u *)",+"; break; 3679 case 4: str = (char_u *)"[-]"; break; 3680 case 5: str = (char_u *)",-"; break; 3681 case 6: str = (char_u *)"[+-]"; break; 3682 case 7: str = (char_u *)",+-"; break; 3683 } 3684 break; 3685 } 3686 3687 item[curitem].start = p; 3688 item[curitem].type = Normal; 3689 if (str != NULL && *str) 3690 { 3691 t = str; 3692 if (itemisflag) 3693 { 3694 if ((t[0] && t[1]) 3695 && ((!prevchar_isitem && *t == ',') 3696 || (prevchar_isflag && *t == ' '))) 3697 t++; 3698 prevchar_isflag = TRUE; 3699 } 3700 l = vim_strsize(t); 3701 if (l > 0) 3702 prevchar_isitem = TRUE; 3703 if (l > maxwid) 3704 { 3705 while (l >= maxwid) 3706 #ifdef FEAT_MBYTE 3707 if (has_mbyte) 3708 { 3709 l -= ptr2cells(t); 3710 t += (*mb_ptr2len)(t); 3711 } 3712 else 3713 #endif 3714 l -= byte2cells(*t++); 3715 if (p + 1 >= out + outlen) 3716 break; 3717 *p++ = '<'; 3718 } 3719 if (minwid > 0) 3720 { 3721 for (; l < minwid && p + 1 < out + outlen; l++) 3722 { 3723 /* Don't put a "-" in front of a digit. */ 3724 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 3725 *p++ = ' '; 3726 else 3727 *p++ = fillchar; 3728 } 3729 minwid = 0; 3730 } 3731 else 3732 minwid *= -1; 3733 while (*t && p + 1 < out + outlen) 3734 { 3735 *p++ = *t++; 3736 /* Change a space by fillchar, unless fillchar is '-' and a 3737 * digit follows. */ 3738 if (fillable && p[-1] == ' ' 3739 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 3740 p[-1] = fillchar; 3741 } 3742 for (; l < minwid && p + 1 < out + outlen; l++) 3743 *p++ = fillchar; 3744 } 3745 else if (num >= 0) 3746 { 3747 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 3748 char_u nstr[20]; 3749 3750 if (p + 20 >= out + outlen) 3751 break; /* not sufficient space */ 3752 prevchar_isitem = TRUE; 3753 t = nstr; 3754 if (opt == STL_VIRTCOL_ALT) 3755 { 3756 *t++ = '-'; 3757 minwid--; 3758 } 3759 *t++ = '%'; 3760 if (zeropad) 3761 *t++ = '0'; 3762 *t++ = '*'; 3763 *t++ = nbase == 16 ? base : (nbase == 8 ? 'o' : 'd'); 3764 *t = 0; 3765 3766 for (n = num, l = 1; n >= nbase; n /= nbase) 3767 l++; 3768 if (opt == STL_VIRTCOL_ALT) 3769 l++; 3770 if (l > maxwid) 3771 { 3772 l += 2; 3773 n = l - maxwid; 3774 while (l-- > maxwid) 3775 num /= nbase; 3776 *t++ = '>'; 3777 *t++ = '%'; 3778 *t = t[-3]; 3779 *++t = 0; 3780 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 3781 0, num, n); 3782 } 3783 else 3784 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 3785 minwid, num); 3786 p += STRLEN(p); 3787 } 3788 else 3789 item[curitem].type = Empty; 3790 3791 if (opt == STL_VIM_EXPR) 3792 vim_free(str); 3793 3794 if (num >= 0 || (!itemisflag && str && *str)) 3795 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 3796 curitem++; 3797 } 3798 *p = NUL; 3799 itemcnt = curitem; 3800 3801 width = vim_strsize(out); 3802 if (maxwidth > 0 && width > maxwidth) 3803 { 3804 /* Result is too long, must trunctate somewhere. */ 3805 l = 0; 3806 if (itemcnt == 0) 3807 s = out; 3808 else 3809 { 3810 for ( ; l < itemcnt; l++) 3811 if (item[l].type == Trunc) 3812 { 3813 /* Truncate at %< item. */ 3814 s = item[l].start; 3815 break; 3816 } 3817 if (l == itemcnt) 3818 { 3819 /* No %< item, truncate first item. */ 3820 s = item[0].start; 3821 l = 0; 3822 } 3823 } 3824 3825 if (width - vim_strsize(s) >= maxwidth) 3826 { 3827 /* Truncation mark is beyond max length */ 3828 #ifdef FEAT_MBYTE 3829 if (has_mbyte) 3830 { 3831 s = out; 3832 width = 0; 3833 for (;;) 3834 { 3835 width += ptr2cells(s); 3836 if (width >= maxwidth) 3837 break; 3838 s += (*mb_ptr2len)(s); 3839 } 3840 /* Fill up for half a double-wide character. */ 3841 while (++width < maxwidth) 3842 *s++ = fillchar; 3843 } 3844 else 3845 #endif 3846 s = out + maxwidth - 1; 3847 for (l = 0; l < itemcnt; l++) 3848 if (item[l].start > s) 3849 break; 3850 itemcnt = l; 3851 *s++ = '>'; 3852 *s = 0; 3853 } 3854 else 3855 { 3856 #ifdef FEAT_MBYTE 3857 if (has_mbyte) 3858 { 3859 n = 0; 3860 while (width >= maxwidth) 3861 { 3862 width -= ptr2cells(s + n); 3863 n += (*mb_ptr2len)(s + n); 3864 } 3865 } 3866 else 3867 #endif 3868 n = width - maxwidth + 1; 3869 p = s + n; 3870 mch_memmove(s + 1, p, STRLEN(p) + 1); 3871 *s = '<'; 3872 3873 /* Fill up for half a double-wide character. */ 3874 while (++width < maxwidth) 3875 { 3876 s = s + STRLEN(s); 3877 *s++ = fillchar; 3878 *s = NUL; 3879 } 3880 3881 --n; /* count the '<' */ 3882 for (; l < itemcnt; l++) 3883 { 3884 if (item[l].start - n >= s) 3885 item[l].start -= n; 3886 else 3887 item[l].start = s; 3888 } 3889 } 3890 width = maxwidth; 3891 } 3892 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 3893 { 3894 /* Apply STL_MIDDLE if any */ 3895 for (l = 0; l < itemcnt; l++) 3896 if (item[l].type == Middle) 3897 break; 3898 if (l < itemcnt) 3899 { 3900 p = item[l].start + maxwidth - width; 3901 mch_memmove(p, item[l].start, STRLEN(item[l].start) + 1); 3902 for (s = item[l].start; s < p; s++) 3903 *s = fillchar; 3904 for (l++; l < itemcnt; l++) 3905 item[l].start += maxwidth - width; 3906 width = maxwidth; 3907 } 3908 } 3909 3910 if (hl != NULL) 3911 { 3912 for (l = 0; l < itemcnt; l++) 3913 { 3914 if (item[l].type == Highlight) 3915 { 3916 hl->start = item[l].start; 3917 hl->userhl = item[l].minwid; 3918 hl++; 3919 } 3920 } 3921 hl->start = NULL; 3922 hl->userhl = 0; 3923 } 3924 3925 return width; 3926 } 3927 #endif /* FEAT_STL_OPT */ 3928 3929 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) || defined(PROTO) 3930 /* 3931 * Get relative cursor position in window into "str[]", in the form 99%, using 3932 * "Top", "Bot" or "All" when appropriate. 3933 */ 3934 void 3935 get_rel_pos(wp, str) 3936 win_T *wp; 3937 char_u *str; 3938 { 3939 long above; /* number of lines above window */ 3940 long below; /* number of lines below window */ 3941 3942 above = wp->w_topline - 1; 3943 #ifdef FEAT_DIFF 3944 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 3945 #endif 3946 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 3947 if (below <= 0) 3948 STRCPY(str, above == 0 ? _("All") : _("Bot")); 3949 else if (above <= 0) 3950 STRCPY(str, _("Top")); 3951 else 3952 sprintf((char *)str, "%2d%%", above > 1000000L 3953 ? (int)(above / ((above + below) / 100L)) 3954 : (int)(above * 100L / (above + below))); 3955 } 3956 #endif 3957 3958 /* 3959 * Append (file 2 of 8) to 'buf', if editing more than one file. 3960 * Return TRUE if it was appended. 3961 */ 3962 int 3963 append_arg_number(wp, buf, add_file, maxlen) 3964 win_T *wp; 3965 char_u *buf; 3966 int add_file; /* Add "file" before the arg number */ 3967 int maxlen; /* maximum nr of chars in buf or zero*/ 3968 { 3969 char_u *p; 3970 3971 if (ARGCOUNT <= 1) /* nothing to do */ 3972 return FALSE; 3973 3974 p = buf + STRLEN(buf); /* go to the end of the buffer */ 3975 if (maxlen && p - buf + 35 >= maxlen) /* getting too long */ 3976 return FALSE; 3977 *p++ = ' '; 3978 *p++ = '('; 3979 if (add_file) 3980 { 3981 STRCPY(p, "file "); 3982 p += 5; 3983 } 3984 sprintf((char *)p, wp->w_arg_idx_invalid ? "(%d) of %d)" 3985 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 3986 return TRUE; 3987 } 3988 3989 /* 3990 * If fname is not a full path, make it a full path. 3991 * Returns pointer to allocated memory (NULL for failure). 3992 */ 3993 char_u * 3994 fix_fname(fname) 3995 char_u *fname; 3996 { 3997 /* 3998 * Force expanding the path always for Unix, because symbolic links may 3999 * mess up the full path name, even though it starts with a '/'. 4000 * Also expand when there is ".." in the file name, try to remove it, 4001 * because "c:/src/../README" is equal to "c:/README". 4002 * For MS-Windows also expand names like "longna~1" to "longname". 4003 */ 4004 #ifdef UNIX 4005 return FullName_save(fname, TRUE); 4006 #else 4007 if (!vim_isAbsName(fname) || strstr((char *)fname, "..") != NULL 4008 #if defined(MSWIN) || defined(DJGPP) 4009 || vim_strchr(fname, '~') != NULL 4010 #endif 4011 ) 4012 return FullName_save(fname, FALSE); 4013 4014 fname = vim_strsave(fname); 4015 4016 #ifdef USE_FNAME_CASE 4017 # ifdef USE_LONG_FNAME 4018 if (USE_LONG_FNAME) 4019 # endif 4020 { 4021 if (fname != NULL) 4022 fname_case(fname, 0); /* set correct case for file name */ 4023 } 4024 #endif 4025 4026 return fname; 4027 #endif 4028 } 4029 4030 /* 4031 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4032 * "ffname" becomes a pointer to allocated memory (or NULL). 4033 */ 4034 /*ARGSUSED*/ 4035 void 4036 fname_expand(buf, ffname, sfname) 4037 buf_T *buf; 4038 char_u **ffname; 4039 char_u **sfname; 4040 { 4041 if (*ffname == NULL) /* if no file name given, nothing to do */ 4042 return; 4043 if (*sfname == NULL) /* if no short file name given, use ffname */ 4044 *sfname = *ffname; 4045 *ffname = fix_fname(*ffname); /* expand to full path */ 4046 4047 #ifdef FEAT_SHORTCUT 4048 if (!buf->b_p_bin) 4049 { 4050 char_u *rfname = NULL; 4051 4052 /* If the file name is a shortcut file, use the file it links to. */ 4053 rfname = mch_resolve_shortcut(*ffname); 4054 if (rfname) 4055 { 4056 vim_free(*ffname); 4057 *ffname = rfname; 4058 *sfname = rfname; 4059 } 4060 } 4061 #endif 4062 } 4063 4064 /* 4065 * Get the file name for an argument list entry. 4066 */ 4067 char_u * 4068 alist_name(aep) 4069 aentry_T *aep; 4070 { 4071 buf_T *bp; 4072 4073 /* Use the name from the associated buffer if it exists. */ 4074 bp = buflist_findnr(aep->ae_fnum); 4075 if (bp == NULL) 4076 return aep->ae_fname; 4077 return bp->b_fname; 4078 } 4079 4080 #if defined(FEAT_WINDOWS) || defined(PROTO) 4081 /* 4082 * do_arg_all(): Open up to 'count' windows, one for each argument. 4083 */ 4084 void 4085 do_arg_all(count, forceit) 4086 int count; 4087 int forceit; /* hide buffers in current windows */ 4088 { 4089 int i; 4090 win_T *wp, *wpnext; 4091 char_u *opened; /* array of flags for which args are open */ 4092 int opened_len; /* lenght of opened[] */ 4093 int use_firstwin = FALSE; /* use first window for arglist */ 4094 int split_ret = OK; 4095 int p_ea_save; 4096 alist_T *alist; /* argument list to be used */ 4097 buf_T *buf; 4098 4099 if (ARGCOUNT <= 0) 4100 { 4101 /* Don't give an error message. We don't want it when the ":all" 4102 * command is in the .vimrc. */ 4103 return; 4104 } 4105 setpcmark(); 4106 4107 opened_len = ARGCOUNT; 4108 opened = alloc_clear((unsigned)opened_len); 4109 if (opened == NULL) 4110 return; 4111 4112 #ifdef FEAT_GUI 4113 need_mouse_correct = TRUE; 4114 #endif 4115 4116 /* 4117 * Try closing all windows that are not in the argument list. 4118 * Also close windows that are not full width; 4119 * When 'hidden' or "forceit" set the buffer becomes hidden. 4120 * Windows that have a changed buffer and can't be hidden won't be closed. 4121 */ 4122 for (wp = firstwin; wp != NULL; wp = wpnext) 4123 { 4124 wpnext = wp->w_next; 4125 buf = wp->w_buffer; 4126 if (buf->b_ffname == NULL 4127 || buf->b_nwindows > 1 4128 #ifdef FEAT_VERTSPLIT 4129 || wp->w_width != Columns 4130 #endif 4131 ) 4132 i = ARGCOUNT; 4133 else 4134 { 4135 /* check if the buffer in this window is in the arglist */ 4136 for (i = 0; i < ARGCOUNT; ++i) 4137 { 4138 if (ARGLIST[i].ae_fnum == buf->b_fnum 4139 || fullpathcmp(alist_name(&ARGLIST[i]), 4140 buf->b_ffname, TRUE) & FPC_SAME) 4141 { 4142 if (i < opened_len) 4143 opened[i] = TRUE; 4144 if (wp->w_alist != curwin->w_alist) 4145 { 4146 /* Use the current argument list for all windows 4147 * containing a file from it. */ 4148 alist_unlink(wp->w_alist); 4149 wp->w_alist = curwin->w_alist; 4150 ++wp->w_alist->al_refcount; 4151 } 4152 break; 4153 } 4154 } 4155 } 4156 wp->w_arg_idx = i; 4157 4158 if (i == ARGCOUNT) /* close this window */ 4159 { 4160 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4161 || !bufIsChanged(buf)) 4162 { 4163 /* If the buffer was changed, and we would like to hide it, 4164 * try autowriting. */ 4165 if (!P_HID(buf) && buf->b_nwindows <= 1 && bufIsChanged(buf)) 4166 { 4167 (void)autowrite(buf, FALSE); 4168 #ifdef FEAT_AUTOCMD 4169 /* check if autocommands removed the window */ 4170 if (!win_valid(wp) || !buf_valid(buf)) 4171 { 4172 wpnext = firstwin; /* start all over... */ 4173 continue; 4174 } 4175 #endif 4176 } 4177 #ifdef FEAT_WINDOWS 4178 if (firstwin == lastwin) /* can't close last window */ 4179 #endif 4180 use_firstwin = TRUE; 4181 #ifdef FEAT_WINDOWS 4182 else 4183 { 4184 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4185 # ifdef FEAT_AUTOCMD 4186 /* check if autocommands removed the next window */ 4187 if (!win_valid(wpnext)) 4188 wpnext = firstwin; /* start all over... */ 4189 # endif 4190 } 4191 #endif 4192 } 4193 } 4194 } 4195 4196 /* 4197 * Open a window for files in the argument list that don't have one. 4198 * ARGCOUNT may change while doing this, because of autocommands. 4199 */ 4200 if (count > ARGCOUNT || count <= 0) 4201 count = ARGCOUNT; 4202 4203 /* Autocommands may do anything to the argument list. Make sure it's not 4204 * freed while we are working here by "locking" it. We still have to 4205 * watch out for its size to be changed. */ 4206 alist = curwin->w_alist; 4207 ++alist->al_refcount; 4208 4209 #ifdef FEAT_AUTOCMD 4210 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4211 ++autocmd_no_enter; 4212 ++autocmd_no_leave; 4213 #endif 4214 win_enter(lastwin, FALSE); 4215 for (i = 0; i < count && i < alist->al_ga.ga_len && !got_int; ++i) 4216 { 4217 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4218 arg_had_last = TRUE; 4219 if (i < opened_len && opened[i]) 4220 { 4221 /* Move the already present window to below the current window */ 4222 if (curwin->w_arg_idx != i) 4223 { 4224 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4225 { 4226 if (wpnext->w_arg_idx == i) 4227 { 4228 win_move_after(wpnext, curwin); 4229 break; 4230 } 4231 } 4232 } 4233 } 4234 else if (split_ret == OK) 4235 { 4236 if (!use_firstwin) /* split current window */ 4237 { 4238 p_ea_save = p_ea; 4239 p_ea = TRUE; /* use space from all windows */ 4240 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4241 p_ea = p_ea_save; 4242 if (split_ret == FAIL) 4243 continue; 4244 } 4245 #ifdef FEAT_AUTOCMD 4246 else /* first window: do autocmd for leaving this buffer */ 4247 --autocmd_no_leave; 4248 #endif 4249 4250 /* 4251 * edit file i 4252 */ 4253 curwin->w_arg_idx = i; 4254 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4255 ECMD_ONE, 4256 ((P_HID(curwin->w_buffer) 4257 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4258 + ECMD_OLDBUF); 4259 #ifdef FEAT_AUTOCMD 4260 if (use_firstwin) 4261 ++autocmd_no_leave; 4262 #endif 4263 use_firstwin = FALSE; 4264 } 4265 ui_breakcheck(); 4266 } 4267 4268 /* Remove the "lock" on the argument list. */ 4269 alist_unlink(alist); 4270 4271 #ifdef FEAT_AUTOCMD 4272 --autocmd_no_enter; 4273 #endif 4274 win_enter(firstwin, FALSE); /* back to first window */ 4275 #ifdef FEAT_AUTOCMD 4276 --autocmd_no_leave; 4277 #endif 4278 vim_free(opened); 4279 } 4280 4281 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4282 /* 4283 * Open a window for a number of buffers. 4284 */ 4285 void 4286 ex_buffer_all(eap) 4287 exarg_T *eap; 4288 { 4289 buf_T *buf; 4290 win_T *wp, *wpnext; 4291 int split_ret = OK; 4292 int p_ea_save; 4293 int open_wins = 0; 4294 int r; 4295 int count; /* Maximum number of windows to open. */ 4296 int all; /* When TRUE also load inactive buffers. */ 4297 4298 if (eap->addr_count == 0) /* make as many windows as possible */ 4299 count = 9999; 4300 else 4301 count = eap->line2; /* make as many windows as specified */ 4302 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4303 all = FALSE; 4304 else 4305 all = TRUE; 4306 4307 setpcmark(); 4308 4309 #ifdef FEAT_GUI 4310 need_mouse_correct = TRUE; 4311 #endif 4312 4313 /* 4314 * Close superfluous windows (two windows for the same buffer). 4315 * Also close windows that are not full-width. 4316 */ 4317 for (wp = firstwin; wp != NULL; wp = wpnext) 4318 { 4319 wpnext = wp->w_next; 4320 if (wp->w_buffer->b_nwindows > 1 4321 #ifdef FEAT_VERTSPLIT 4322 || ((cmdmod.split & WSP_VERT) 4323 ? wp->w_height + wp->w_status_height < Rows - p_ch 4324 : wp->w_width != Columns) 4325 #endif 4326 ) 4327 { 4328 win_close(wp, FALSE); 4329 #ifdef FEAT_AUTOCMD 4330 wpnext = firstwin; /* just in case an autocommand does something 4331 strange with windows */ 4332 open_wins = 0; 4333 #endif 4334 } 4335 else 4336 ++open_wins; 4337 } 4338 4339 /* 4340 * Go through the buffer list. When a buffer doesn't have a window yet, 4341 * open one. Otherwise move the window to the right position. 4342 * Watch out for autocommands that delete buffers or windows! 4343 */ 4344 #ifdef FEAT_AUTOCMD 4345 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4346 ++autocmd_no_enter; 4347 #endif 4348 win_enter(lastwin, FALSE); 4349 #ifdef FEAT_AUTOCMD 4350 ++autocmd_no_leave; 4351 #endif 4352 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4353 { 4354 /* Check if this buffer needs a window */ 4355 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4356 continue; 4357 4358 /* Check if this buffer already has a window */ 4359 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4360 if (wp->w_buffer == buf) 4361 break; 4362 /* If the buffer already has a window, move it */ 4363 if (wp != NULL) 4364 win_move_after(wp, curwin); 4365 else if (split_ret == OK) 4366 { 4367 /* Split the window and put the buffer in it */ 4368 p_ea_save = p_ea; 4369 p_ea = TRUE; /* use space from all windows */ 4370 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4371 ++open_wins; 4372 p_ea = p_ea_save; 4373 if (split_ret == FAIL) 4374 continue; 4375 4376 /* Open the buffer in this window. */ 4377 #if defined(HAS_SWAP_EXISTS_ACTION) 4378 swap_exists_action = SEA_DIALOG; 4379 #endif 4380 set_curbuf(buf, DOBUF_GOTO); 4381 #ifdef FEAT_AUTOCMD 4382 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4383 { 4384 #if defined(HAS_SWAP_EXISTS_ACTION) 4385 swap_exists_action = SEA_NONE; 4386 # endif 4387 break; 4388 } 4389 #endif 4390 #if defined(HAS_SWAP_EXISTS_ACTION) 4391 if (swap_exists_action == SEA_QUIT) 4392 { 4393 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4394 cleanup_T cs; 4395 4396 /* Reset the error/interrupt/exception state here so that 4397 * aborting() returns FALSE when closing a window. */ 4398 enter_cleanup(&cs); 4399 # endif 4400 4401 /* User selected Quit at ATTENTION prompt; close this window. */ 4402 win_close(curwin, TRUE); 4403 --open_wins; 4404 swap_exists_action = SEA_NONE; 4405 4406 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4407 /* Restore the error/interrupt/exception state if not 4408 * discarded by a new aborting error, interrupt, or uncaught 4409 * exception. */ 4410 leave_cleanup(&cs); 4411 # endif 4412 } 4413 else 4414 handle_swap_exists(NULL); 4415 #endif 4416 } 4417 4418 ui_breakcheck(); 4419 if (got_int) 4420 { 4421 (void)vgetc(); /* only break the file loading, not the rest */ 4422 break; 4423 } 4424 #ifdef FEAT_EVAL 4425 /* Autocommands deleted the buffer or aborted script processing!!! */ 4426 if (aborting()) 4427 break; 4428 #endif 4429 } 4430 #ifdef FEAT_AUTOCMD 4431 --autocmd_no_enter; 4432 #endif 4433 win_enter(firstwin, FALSE); /* back to first window */ 4434 #ifdef FEAT_AUTOCMD 4435 --autocmd_no_leave; 4436 #endif 4437 4438 /* 4439 * Close superfluous windows. 4440 */ 4441 for (wp = lastwin; open_wins > count; ) 4442 { 4443 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4444 || autowrite(wp->w_buffer, FALSE) == OK); 4445 #ifdef FEAT_AUTOCMD 4446 if (!win_valid(wp)) 4447 { 4448 /* BufWrite Autocommands made the window invalid, start over */ 4449 wp = lastwin; 4450 } 4451 else 4452 #endif 4453 if (r) 4454 { 4455 win_close(wp, !P_HID(wp->w_buffer)); 4456 --open_wins; 4457 wp = lastwin; 4458 } 4459 else 4460 { 4461 wp = wp->w_prev; 4462 if (wp == NULL) 4463 break; 4464 } 4465 } 4466 } 4467 # endif /* FEAT_LISTCMDS */ 4468 4469 #endif /* FEAT_WINDOWS */ 4470 4471 /* 4472 * do_modelines() - process mode lines for the current file 4473 * 4474 * Returns immediately if the "ml" option isn't set. 4475 */ 4476 static int chk_modeline __ARGS((linenr_T, int)); 4477 4478 void 4479 do_modelines(win_only) 4480 int win_only; /* Only do window-local options. */ 4481 { 4482 linenr_T lnum; 4483 int nmlines; 4484 static int entered = 0; 4485 4486 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4487 return; 4488 4489 /* Disallow recursive entry here. Can happen when executing a modeline 4490 * triggers an autocommand, which reloads modelines with a ":do". */ 4491 if (entered) 4492 return; 4493 4494 ++entered; 4495 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 4496 ++lnum) 4497 if (chk_modeline(lnum, win_only) == FAIL) 4498 nmlines = 0; 4499 4500 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 4501 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 4502 if (chk_modeline(lnum, win_only) == FAIL) 4503 nmlines = 0; 4504 --entered; 4505 } 4506 4507 #include "version.h" /* for version number */ 4508 4509 /* 4510 * chk_modeline() - check a single line for a mode string 4511 * Return FAIL if an error encountered. 4512 */ 4513 static int 4514 chk_modeline(lnum, win_only) 4515 linenr_T lnum; 4516 int win_only; /* Only do window-local options. */ 4517 { 4518 char_u *s; 4519 char_u *e; 4520 char_u *linecopy; /* local copy of any modeline found */ 4521 int prev; 4522 int vers; 4523 int end; 4524 int retval = OK; 4525 char_u *save_sourcing_name; 4526 linenr_T save_sourcing_lnum; 4527 #ifdef FEAT_EVAL 4528 scid_T save_SID; 4529 #endif 4530 4531 prev = -1; 4532 for (s = ml_get(lnum); *s != NUL; ++s) 4533 { 4534 if (prev == -1 || vim_isspace(prev)) 4535 { 4536 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 4537 || STRNCMP(s, "vi:", (size_t)3) == 0) 4538 break; 4539 if (STRNCMP(s, "vim", 3) == 0) 4540 { 4541 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 4542 e = s + 4; 4543 else 4544 e = s + 3; 4545 vers = getdigits(&e); 4546 if (*e == ':' 4547 && (s[3] == ':' 4548 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 4549 || (VIM_VERSION_100 < vers && s[3] == '<') 4550 || (VIM_VERSION_100 > vers && s[3] == '>') 4551 || (VIM_VERSION_100 == vers && s[3] == '='))) 4552 break; 4553 } 4554 } 4555 prev = *s; 4556 } 4557 4558 if (*s) 4559 { 4560 do /* skip over "ex:", "vi:" or "vim:" */ 4561 ++s; 4562 while (s[-1] != ':'); 4563 4564 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 4565 if (linecopy == NULL) 4566 return FAIL; 4567 4568 save_sourcing_lnum = sourcing_lnum; 4569 save_sourcing_name = sourcing_name; 4570 sourcing_lnum = lnum; /* prepare for emsg() */ 4571 sourcing_name = (char_u *)"modelines"; 4572 4573 end = FALSE; 4574 while (end == FALSE) 4575 { 4576 s = skipwhite(s); 4577 if (*s == NUL) 4578 break; 4579 4580 /* 4581 * Find end of set command: ':' or end of line. 4582 * Skip over "\:", replacing it with ":". 4583 */ 4584 for (e = s; *e != ':' && *e != NUL; ++e) 4585 if (e[0] == '\\' && e[1] == ':') 4586 STRCPY(e, e + 1); 4587 if (*e == NUL) 4588 end = TRUE; 4589 4590 /* 4591 * If there is a "set" command, require a terminating ':' and 4592 * ignore the stuff after the ':'. 4593 * "vi:set opt opt opt: foo" -- foo not interpreted 4594 * "vi:opt opt opt: foo" -- foo interpreted 4595 * Accept "se" for compatibility with Elvis. 4596 */ 4597 if (STRNCMP(s, "set ", (size_t)4) == 0 4598 || STRNCMP(s, "se ", (size_t)3) == 0) 4599 { 4600 if (*e != ':') /* no terminating ':'? */ 4601 break; 4602 end = TRUE; 4603 s = vim_strchr(s, ' ') + 1; 4604 } 4605 *e = NUL; /* truncate the set command */ 4606 4607 if (*s != NUL) /* skip over an empty "::" */ 4608 { 4609 #ifdef FEAT_EVAL 4610 save_SID = current_SID; 4611 current_SID = SID_MODELINE; 4612 #endif 4613 retval = do_set(s, OPT_MODELINE | OPT_LOCAL 4614 | (win_only ? OPT_WINONLY : 0)); 4615 #ifdef FEAT_EVAL 4616 current_SID = save_SID; 4617 #endif 4618 if (retval == FAIL) /* stop if error found */ 4619 break; 4620 } 4621 s = e + 1; /* advance to next part */ 4622 } 4623 4624 sourcing_lnum = save_sourcing_lnum; 4625 sourcing_name = save_sourcing_name; 4626 4627 vim_free(linecopy); 4628 } 4629 return retval; 4630 } 4631 4632 #ifdef FEAT_VIMINFO 4633 int 4634 read_viminfo_bufferlist(virp, writing) 4635 vir_T *virp; 4636 int writing; 4637 { 4638 char_u *tab; 4639 linenr_T lnum; 4640 colnr_T col; 4641 buf_T *buf; 4642 char_u *sfname; 4643 char_u *xline; 4644 4645 /* Handle long line and escaped characters. */ 4646 xline = viminfo_readstring(virp, 1, FALSE); 4647 4648 /* don't read in if there are files on the command-line or if writing: */ 4649 if (xline != NULL && !writing && ARGCOUNT == 0 4650 && find_viminfo_parameter('%') != NULL) 4651 { 4652 /* Format is: <fname> Tab <lnum> Tab <col>. 4653 * Watch out for a Tab in the file name, work from the end. */ 4654 lnum = 0; 4655 col = 0; 4656 tab = vim_strrchr(xline, '\t'); 4657 if (tab != NULL) 4658 { 4659 *tab++ = '\0'; 4660 col = atoi((char *)tab); 4661 tab = vim_strrchr(xline, '\t'); 4662 if (tab != NULL) 4663 { 4664 *tab++ = '\0'; 4665 lnum = atol((char *)tab); 4666 } 4667 } 4668 4669 /* Expand "~/" in the file name at "line + 1" to a full path. 4670 * Then try shortening it by comparing with the current directory */ 4671 expand_env(xline, NameBuff, MAXPATHL); 4672 mch_dirname(IObuff, IOSIZE); 4673 sfname = shorten_fname(NameBuff, IObuff); 4674 if (sfname == NULL) 4675 sfname = NameBuff; 4676 4677 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 4678 if (buf != NULL) /* just in case... */ 4679 { 4680 buf->b_last_cursor.lnum = lnum; 4681 buf->b_last_cursor.col = col; 4682 buflist_setfpos(buf, curwin, lnum, col, FALSE); 4683 } 4684 } 4685 vim_free(xline); 4686 4687 return viminfo_readline(virp); 4688 } 4689 4690 void 4691 write_viminfo_bufferlist(fp) 4692 FILE *fp; 4693 { 4694 buf_T *buf; 4695 #ifdef FEAT_WINDOWS 4696 win_T *win; 4697 #endif 4698 char_u *line; 4699 int max_buffers; 4700 4701 if (find_viminfo_parameter('%') == NULL) 4702 return; 4703 4704 /* Without a number -1 is returned: do all buffers. */ 4705 max_buffers = get_viminfo_parameter('%'); 4706 4707 /* Allocate room for the file name, lnum and col. */ 4708 line = alloc(MAXPATHL + 40); 4709 if (line == NULL) 4710 return; 4711 4712 #ifdef FEAT_WINDOWS 4713 for (win = firstwin; win != NULL; win = win->w_next) 4714 set_last_cursor(win); 4715 #else 4716 set_last_cursor(curwin); 4717 #endif 4718 4719 fprintf(fp, _("\n# Buffer list:\n")); 4720 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 4721 { 4722 if (buf->b_fname == NULL 4723 || !buf->b_p_bl 4724 #ifdef FEAT_QUICKFIX 4725 || bt_quickfix(buf) 4726 #endif 4727 || removable(buf->b_ffname)) 4728 continue; 4729 4730 if (max_buffers-- == 0) 4731 break; 4732 putc('%', fp); 4733 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 4734 sprintf((char *)line + STRLEN(line), "\t%ld\t%d", 4735 (long)buf->b_last_cursor.lnum, 4736 buf->b_last_cursor.col); 4737 viminfo_writestring(fp, line); 4738 } 4739 vim_free(line); 4740 } 4741 #endif 4742 4743 4744 /* 4745 * Return special buffer name. 4746 * Returns NULL when the buffer has a normal file name. 4747 */ 4748 char * 4749 buf_spname(buf) 4750 buf_T *buf; 4751 { 4752 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 4753 if (bt_quickfix(buf)) 4754 return _("[Error List]"); 4755 #endif 4756 #ifdef FEAT_QUICKFIX 4757 /* There is no _file_ when 'buftype' is "nofile", b_sfname 4758 * contains the name as specified by the user */ 4759 if (bt_nofile(buf)) 4760 { 4761 if (buf->b_sfname != NULL) 4762 return (char *)buf->b_sfname; 4763 return "[Scratch]"; 4764 } 4765 #endif 4766 if (buf->b_fname == NULL) 4767 return _("[No Name]"); 4768 return NULL; 4769 } 4770 4771 4772 #if defined(FEAT_SIGNS) || defined(PROTO) 4773 /* 4774 * Insert the sign into the signlist. 4775 */ 4776 static void 4777 insert_sign(buf, prev, next, id, lnum, typenr) 4778 buf_T *buf; /* buffer to store sign in */ 4779 signlist_T *prev; /* previous sign entry */ 4780 signlist_T *next; /* next sign entry */ 4781 int id; /* sign ID */ 4782 linenr_T lnum; /* line number which gets the mark */ 4783 int typenr; /* typenr of sign we are adding */ 4784 { 4785 signlist_T *newsign; 4786 4787 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 4788 if (newsign != NULL) 4789 { 4790 newsign->id = id; 4791 newsign->lnum = lnum; 4792 newsign->typenr = typenr; 4793 newsign->next = next; 4794 #ifdef FEAT_NETBEANS_INTG 4795 newsign->prev = prev; 4796 if (next != NULL) 4797 next->prev = newsign; 4798 #endif 4799 4800 if (prev == NULL) 4801 { 4802 /* When adding first sign need to redraw the windows to create the 4803 * column for signs. */ 4804 if (buf->b_signlist == NULL) 4805 { 4806 redraw_buf_later(buf, NOT_VALID); 4807 changed_cline_bef_curs(); 4808 } 4809 4810 /* first sign in signlist */ 4811 buf->b_signlist = newsign; 4812 } 4813 else 4814 prev->next = newsign; 4815 } 4816 } 4817 4818 /* 4819 * Add the sign into the signlist. Find the right spot to do it though. 4820 */ 4821 void 4822 buf_addsign(buf, id, lnum, typenr) 4823 buf_T *buf; /* buffer to store sign in */ 4824 int id; /* sign ID */ 4825 linenr_T lnum; /* line number which gets the mark */ 4826 int typenr; /* typenr of sign we are adding */ 4827 { 4828 signlist_T *sign; /* a sign in the signlist */ 4829 signlist_T *prev; /* the previous sign */ 4830 4831 prev = NULL; 4832 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4833 { 4834 if (lnum == sign->lnum && id == sign->id) 4835 { 4836 sign->typenr = typenr; 4837 return; 4838 } 4839 else if ( 4840 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 4841 id < 0 && 4842 #endif 4843 lnum < sign->lnum) 4844 { 4845 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4846 /* XXX - GRP: Is this because of sign slide problem? Or is it 4847 * really needed? Or is it because we allow multiple signs per 4848 * line? If so, should I add that feature to FEAT_SIGNS? 4849 */ 4850 while (prev != NULL && prev->lnum == lnum) 4851 prev = prev->prev; 4852 if (prev == NULL) 4853 sign = buf->b_signlist; 4854 else 4855 sign = prev->next; 4856 #endif 4857 insert_sign(buf, prev, sign, id, lnum, typenr); 4858 return; 4859 } 4860 prev = sign; 4861 } 4862 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 4863 /* XXX - GRP: See previous comment */ 4864 while (prev != NULL && prev->lnum == lnum) 4865 prev = prev->prev; 4866 if (prev == NULL) 4867 sign = buf->b_signlist; 4868 else 4869 sign = prev->next; 4870 #endif 4871 insert_sign(buf, prev, sign, id, lnum, typenr); 4872 4873 return; 4874 } 4875 4876 int 4877 buf_change_sign_type(buf, markId, typenr) 4878 buf_T *buf; /* buffer to store sign in */ 4879 int markId; /* sign ID */ 4880 int typenr; /* typenr of sign we are adding */ 4881 { 4882 signlist_T *sign; /* a sign in the signlist */ 4883 4884 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4885 { 4886 if (sign->id == markId) 4887 { 4888 sign->typenr = typenr; 4889 return sign->lnum; 4890 } 4891 } 4892 4893 return 0; 4894 } 4895 4896 int_u 4897 buf_getsigntype(buf, lnum, type) 4898 buf_T *buf; 4899 linenr_T lnum; 4900 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 4901 { 4902 signlist_T *sign; /* a sign in a b_signlist */ 4903 4904 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4905 if (sign->lnum == lnum 4906 && (type == SIGN_ANY 4907 # ifdef FEAT_SIGN_ICONS 4908 || (type == SIGN_ICON 4909 && sign_get_image(sign->typenr) != NULL) 4910 # endif 4911 || (type == SIGN_TEXT 4912 && sign_get_text(sign->typenr) != NULL) 4913 || (type == SIGN_LINEHL 4914 && sign_get_attr(sign->typenr, TRUE) != 0))) 4915 return sign->typenr; 4916 return 0; 4917 } 4918 4919 4920 linenr_T 4921 buf_delsign(buf, id) 4922 buf_T *buf; /* buffer sign is stored in */ 4923 int id; /* sign id */ 4924 { 4925 signlist_T **lastp; /* pointer to pointer to current sign */ 4926 signlist_T *sign; /* a sign in a b_signlist */ 4927 signlist_T *next; /* the next sign in a b_signlist */ 4928 linenr_T lnum; /* line number whose sign was deleted */ 4929 4930 lastp = &buf->b_signlist; 4931 lnum = 0; 4932 for (sign = buf->b_signlist; sign != NULL; sign = next) 4933 { 4934 next = sign->next; 4935 if (sign->id == id) 4936 { 4937 *lastp = next; 4938 #ifdef FEAT_NETBEANS_INTG 4939 if (next != NULL) 4940 next->prev = sign->prev; 4941 #endif 4942 lnum = sign->lnum; 4943 vim_free(sign); 4944 break; 4945 } 4946 else 4947 lastp = &sign->next; 4948 } 4949 4950 /* When deleted the last sign need to redraw the windows to remove the 4951 * sign column. */ 4952 if (buf->b_signlist == NULL) 4953 { 4954 redraw_buf_later(buf, NOT_VALID); 4955 changed_cline_bef_curs(); 4956 } 4957 4958 return lnum; 4959 } 4960 4961 4962 /* 4963 * Find the line number of the sign with the requested id. If the sign does 4964 * not exist, return 0 as the line number. This will still let the correct file 4965 * get loaded. 4966 */ 4967 int 4968 buf_findsign(buf, id) 4969 buf_T *buf; /* buffer to store sign in */ 4970 int id; /* sign ID */ 4971 { 4972 signlist_T *sign; /* a sign in the signlist */ 4973 4974 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4975 if (sign->id == id) 4976 return sign->lnum; 4977 4978 return 0; 4979 } 4980 4981 int 4982 buf_findsign_id(buf, lnum) 4983 buf_T *buf; /* buffer whose sign we are searching for */ 4984 linenr_T lnum; /* line number of sign */ 4985 { 4986 signlist_T *sign; /* a sign in the signlist */ 4987 4988 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 4989 if (sign->lnum == lnum) 4990 return sign->id; 4991 4992 return 0; 4993 } 4994 4995 4996 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 4997 /* see if a given type of sign exists on a specific line */ 4998 int 4999 buf_findsigntype_id(buf, lnum, typenr) 5000 buf_T *buf; /* buffer whose sign we are searching for */ 5001 linenr_T lnum; /* line number of sign */ 5002 int typenr; /* sign type number */ 5003 { 5004 signlist_T *sign; /* a sign in the signlist */ 5005 5006 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5007 if (sign->lnum == lnum && sign->typenr == typenr) 5008 return sign->id; 5009 5010 return 0; 5011 } 5012 5013 5014 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5015 /* return the number of icons on the given line */ 5016 int 5017 buf_signcount(buf, lnum) 5018 buf_T *buf; 5019 linenr_T lnum; 5020 { 5021 signlist_T *sign; /* a sign in the signlist */ 5022 int count = 0; 5023 5024 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5025 if (sign->lnum == lnum) 5026 if (sign_get_image(sign->typenr) != NULL) 5027 count++; 5028 5029 return count; 5030 } 5031 # endif /* FEAT_SIGN_ICONS */ 5032 # endif /* FEAT_NETBEANS_INTG */ 5033 5034 5035 /* 5036 * Delete signs in buffer "buf". 5037 */ 5038 static void 5039 buf_delete_signs(buf) 5040 buf_T *buf; 5041 { 5042 signlist_T *next; 5043 5044 while (buf->b_signlist != NULL) 5045 { 5046 next = buf->b_signlist->next; 5047 vim_free(buf->b_signlist); 5048 buf->b_signlist = next; 5049 } 5050 } 5051 5052 /* 5053 * Delete all signs in all buffers. 5054 */ 5055 void 5056 buf_delete_all_signs() 5057 { 5058 buf_T *buf; /* buffer we are checking for signs */ 5059 5060 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 5061 if (buf->b_signlist != NULL) 5062 { 5063 /* Need to redraw the windows to remove the sign column. */ 5064 redraw_buf_later(buf, NOT_VALID); 5065 buf_delete_signs(buf); 5066 } 5067 } 5068 5069 /* 5070 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 5071 */ 5072 void 5073 sign_list_placed(rbuf) 5074 buf_T *rbuf; 5075 { 5076 buf_T *buf; 5077 signlist_T *p; 5078 char lbuf[BUFSIZ]; 5079 5080 MSG_PUTS_TITLE(_("\n--- Signs ---")); 5081 msg_putchar('\n'); 5082 if (rbuf == NULL) 5083 buf = firstbuf; 5084 else 5085 buf = rbuf; 5086 while (buf != NULL) 5087 { 5088 if (buf->b_signlist != NULL) 5089 { 5090 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 5091 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 5092 msg_putchar('\n'); 5093 } 5094 for (p = buf->b_signlist; p != NULL; p = p->next) 5095 { 5096 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 5097 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 5098 MSG_PUTS(lbuf); 5099 msg_putchar('\n'); 5100 } 5101 if (rbuf != NULL) 5102 break; 5103 buf = buf->b_next; 5104 } 5105 } 5106 5107 /* 5108 * Adjust a placed sign for inserted/deleted lines. 5109 */ 5110 void 5111 sign_mark_adjust(line1, line2, amount, amount_after) 5112 linenr_T line1; 5113 linenr_T line2; 5114 long amount; 5115 long amount_after; 5116 { 5117 signlist_T *sign; /* a sign in a b_signlist */ 5118 5119 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 5120 { 5121 if (sign->lnum >= line1 && sign->lnum <= line2) 5122 { 5123 if (amount == MAXLNUM) 5124 sign->lnum = line1; 5125 else 5126 sign->lnum += amount; 5127 } 5128 else if (sign->lnum > line2) 5129 sign->lnum += amount_after; 5130 } 5131 } 5132 #endif /* FEAT_SIGNS */ 5133 5134 /* 5135 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5136 */ 5137 void 5138 set_buflisted(on) 5139 int on; 5140 { 5141 if (on != curbuf->b_p_bl) 5142 { 5143 curbuf->b_p_bl = on; 5144 #ifdef FEAT_AUTOCMD 5145 if (on) 5146 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5147 else 5148 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5149 #endif 5150 } 5151 } 5152 5153 /* 5154 * Read the file for "buf" again and check if the contents changed. 5155 * Return TRUE if it changed or this could not be checked. 5156 */ 5157 int 5158 buf_contents_changed(buf) 5159 buf_T *buf; 5160 { 5161 buf_T *newbuf; 5162 int differ = TRUE; 5163 linenr_T lnum; 5164 #ifdef FEAT_AUTOCMD 5165 aco_save_T aco; 5166 #else 5167 buf_T *old_curbuf = curbuf; 5168 #endif 5169 exarg_T ea; 5170 5171 /* Allocate a buffer without putting it in the buffer list. */ 5172 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5173 if (newbuf == NULL) 5174 return TRUE; 5175 5176 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5177 if (prep_exarg(&ea, buf) == FAIL) 5178 { 5179 wipe_buffer(newbuf, FALSE); 5180 return TRUE; 5181 } 5182 5183 #ifdef FEAT_AUTOCMD 5184 /* set curwin/curbuf to buf and save a few things */ 5185 aucmd_prepbuf(&aco, newbuf); 5186 #else 5187 curbuf = newbuf; 5188 curwin->w_buffer = newbuf; 5189 #endif 5190 5191 if (ml_open() == OK 5192 && readfile(buf->b_ffname, buf->b_fname, 5193 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5194 &ea, READ_NEW | READ_DUMMY) == OK) 5195 { 5196 /* compare the two files line by line */ 5197 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5198 { 5199 differ = FALSE; 5200 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5201 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5202 { 5203 differ = TRUE; 5204 break; 5205 } 5206 } 5207 } 5208 vim_free(ea.cmd); 5209 5210 #ifdef FEAT_AUTOCMD 5211 /* restore curwin/curbuf and a few other things */ 5212 aucmd_restbuf(&aco); 5213 #else 5214 curbuf = old_curbuf; 5215 curwin->w_buffer = old_curbuf; 5216 #endif 5217 5218 if (curbuf != newbuf) /* safety check */ 5219 wipe_buffer(newbuf, FALSE); 5220 5221 return differ; 5222 } 5223 5224 /* 5225 * Wipe out a buffer and decrement the last buffer number if it was used for 5226 * this buffer. Call this to wipe out a temp buffer that does not contain any 5227 * marks. 5228 */ 5229 /*ARGSUSED*/ 5230 void 5231 wipe_buffer(buf, aucmd) 5232 buf_T *buf; 5233 int aucmd; /* When TRUE trigger autocommands. */ 5234 { 5235 if (buf->b_fnum == top_file_num - 1) 5236 --top_file_num; 5237 5238 #ifdef FEAT_AUTOCMD 5239 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5240 ++autocmd_block; 5241 #endif 5242 close_buffer(NULL, buf, DOBUF_WIPE); 5243 #ifdef FEAT_AUTOCMD 5244 if (!aucmd) 5245 --autocmd_block; 5246 #endif 5247 } 5248