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(curbuf) == 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 lose. 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; 174 175 /* Set or reset 'modified' before executing autocommands, so that 176 * it can be changed there. */ 177 if (!readonlymode && !bufempty()) 178 changed(); 179 else if (retval != FAIL) 180 unchanged(curbuf, FALSE); 181 #ifdef FEAT_AUTOCMD 182 # ifdef FEAT_EVAL 183 apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE, 184 curbuf, &retval); 185 # else 186 apply_autocmds(EVENT_STDINREADPOST, NULL, NULL, FALSE, curbuf); 187 # endif 188 #endif 189 } 190 } 191 192 /* if first time loading this buffer, init b_chartab[] */ 193 if (curbuf->b_flags & BF_NEVERLOADED) 194 (void)buf_init_chartab(curbuf, FALSE); 195 196 /* 197 * Set/reset the Changed flag first, autocmds may change the buffer. 198 * Apply the automatic commands, before processing the modelines. 199 * So the modelines have priority over auto commands. 200 */ 201 /* When reading stdin, the buffer contents always needs writing, so set 202 * the changed flag. Unless in readonly mode: "ls | gview -". 203 * When interrupted and 'cpoptions' contains 'i' set changed flag. */ 204 if ((got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 205 #ifdef FEAT_AUTOCMD 206 || modified_was_set /* ":set modified" used in autocmd */ 207 # ifdef FEAT_EVAL 208 || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 209 # endif 210 #endif 211 ) 212 changed(); 213 else if (retval != FAIL && !read_stdin) 214 unchanged(curbuf, FALSE); 215 save_file_ff(curbuf); /* keep this fileformat */ 216 217 /* require "!" to overwrite the file, because it wasn't read completely */ 218 #ifdef FEAT_EVAL 219 if (aborting()) 220 #else 221 if (got_int) 222 #endif 223 curbuf->b_flags |= BF_READERR; 224 225 #ifdef FEAT_FOLDING 226 /* Need to update automatic folding. Do this before the autocommands, 227 * they may use the fold info. */ 228 foldUpdateAll(curwin); 229 #endif 230 231 #ifdef FEAT_AUTOCMD 232 /* need to set w_topline, unless some autocommand already did that. */ 233 if (!(curwin->w_valid & VALID_TOPLINE)) 234 { 235 curwin->w_topline = 1; 236 # ifdef FEAT_DIFF 237 curwin->w_topfill = 0; 238 # endif 239 } 240 # ifdef FEAT_EVAL 241 apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, &retval); 242 # else 243 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 244 # endif 245 #endif 246 247 if (retval != FAIL) 248 { 249 #ifdef FEAT_AUTOCMD 250 /* 251 * The autocommands may have changed the current buffer. Apply the 252 * modelines to the correct buffer, if it still exists and is loaded. 253 */ 254 if (buf_valid(old_curbuf) && old_curbuf->b_ml.ml_mfp != NULL) 255 { 256 aco_save_T aco; 257 258 /* Go to the buffer that was opened. */ 259 aucmd_prepbuf(&aco, old_curbuf); 260 #endif 261 do_modelines(0); 262 curbuf->b_flags &= ~(BF_CHECK_RO | BF_NEVERLOADED); 263 264 #ifdef FEAT_AUTOCMD 265 # ifdef FEAT_EVAL 266 apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, 267 &retval); 268 # else 269 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 270 # endif 271 272 /* restore curwin/curbuf and a few other things */ 273 aucmd_restbuf(&aco); 274 } 275 #endif 276 } 277 278 return retval; 279 } 280 281 /* 282 * Return TRUE if "buf" points to a valid buffer (in the buffer list). 283 */ 284 int 285 buf_valid(buf) 286 buf_T *buf; 287 { 288 buf_T *bp; 289 290 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 291 if (bp == buf) 292 return TRUE; 293 return FALSE; 294 } 295 296 /* 297 * Close the link to a buffer. 298 * "action" is used when there is no longer a window for the buffer. 299 * It can be: 300 * 0 buffer becomes hidden 301 * DOBUF_UNLOAD buffer is unloaded 302 * DOBUF_DELETE buffer is unloaded and removed from buffer list 303 * DOBUF_WIPE buffer is unloaded and really deleted 304 * When doing all but the first one on the current buffer, the caller should 305 * get a new buffer very soon! 306 * 307 * The 'bufhidden' option can force freeing and deleting. 308 */ 309 void 310 close_buffer(win, buf, action) 311 win_T *win; /* if not NULL, set b_last_cursor */ 312 buf_T *buf; 313 int action; 314 { 315 #ifdef FEAT_AUTOCMD 316 int is_curbuf; 317 int nwindows = buf->b_nwindows; 318 #endif 319 int unload_buf = (action != 0); 320 int del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE); 321 int wipe_buf = (action == DOBUF_WIPE); 322 323 #ifdef FEAT_QUICKFIX 324 /* 325 * Force unloading or deleting when 'bufhidden' says so. 326 * The caller must take care of NOT deleting/freeing when 'bufhidden' is 327 * "hide" (otherwise we could never free or delete a buffer). 328 */ 329 if (buf->b_p_bh[0] == 'd') /* 'bufhidden' == "delete" */ 330 { 331 del_buf = TRUE; 332 unload_buf = TRUE; 333 } 334 else if (buf->b_p_bh[0] == 'w') /* 'bufhidden' == "wipe" */ 335 { 336 del_buf = TRUE; 337 unload_buf = TRUE; 338 wipe_buf = TRUE; 339 } 340 else if (buf->b_p_bh[0] == 'u') /* 'bufhidden' == "unload" */ 341 unload_buf = TRUE; 342 #endif 343 344 if (win != NULL) 345 { 346 /* Set b_last_cursor when closing the last window for the buffer. 347 * Remember the last cursor position and window options of the buffer. 348 * This used to be only for the current window, but then options like 349 * 'foldmethod' may be lost with a ":only" command. */ 350 if (buf->b_nwindows == 1) 351 set_last_cursor(win); 352 buflist_setfpos(buf, win, 353 win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, 354 win->w_cursor.col, TRUE); 355 } 356 357 #ifdef FEAT_AUTOCMD 358 /* When the buffer is no longer in a window, trigger BufWinLeave */ 359 if (buf->b_nwindows == 1) 360 { 361 apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname, 362 FALSE, buf); 363 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 364 return; 365 366 /* When the buffer becomes hidden, but is not unloaded, trigger 367 * BufHidden */ 368 if (!unload_buf) 369 { 370 apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, 371 FALSE, buf); 372 if (!buf_valid(buf)) /* autocmds may delete the buffer */ 373 return; 374 } 375 # ifdef FEAT_EVAL 376 if (aborting()) /* autocmds may abort script processing */ 377 return; 378 # endif 379 } 380 nwindows = buf->b_nwindows; 381 #endif 382 383 /* decrease the link count from windows (unless not in any window) */ 384 if (buf->b_nwindows > 0) 385 --buf->b_nwindows; 386 387 /* Return when a window is displaying the buffer or when it's not 388 * unloaded. */ 389 if (buf->b_nwindows > 0 || !unload_buf) 390 { 391 #if 0 /* why was this here? */ 392 if (buf == curbuf) 393 u_sync(); /* sync undo before going to another buffer */ 394 #endif 395 return; 396 } 397 398 /* Always remove the buffer when there is no file name. */ 399 if (buf->b_ffname == NULL) 400 del_buf = TRUE; 401 402 /* 403 * Free all things allocated for this buffer. 404 * Also calls the "BufDelete" autocommands when del_buf is TRUE. 405 */ 406 #ifdef FEAT_AUTOCMD 407 /* Remember if we are closing the current buffer. Restore the number of 408 * windows, so that autocommands in buf_freeall() don't get confused. */ 409 is_curbuf = (buf == curbuf); 410 buf->b_nwindows = nwindows; 411 #endif 412 413 buf_freeall(buf, del_buf, wipe_buf); 414 415 #ifdef FEAT_AUTOCMD 416 /* Autocommands may have deleted the buffer. */ 417 if (!buf_valid(buf)) 418 return; 419 # ifdef FEAT_EVAL 420 if (aborting()) /* autocmds may abort script processing */ 421 return; 422 # endif 423 424 /* Autocommands may have opened or closed windows for this buffer. 425 * Decrement the count for the close we do here. */ 426 if (buf->b_nwindows > 0) 427 --buf->b_nwindows; 428 429 /* 430 * It's possible that autocommands change curbuf to the one being deleted. 431 * This might cause the previous curbuf to be deleted unexpectedly. But 432 * in some cases it's OK to delete the curbuf, because a new one is 433 * obtained anyway. Therefore only return if curbuf changed to the 434 * deleted buffer. 435 */ 436 if (buf == curbuf && !is_curbuf) 437 return; 438 #endif 439 440 #ifdef FEAT_NETBEANS_INTG 441 if (usingNetbeans) 442 netbeans_file_closed(buf); 443 #endif 444 /* Change directories when the 'acd' option is set. */ 445 DO_AUTOCHDIR 446 447 /* 448 * Remove the buffer from the list. 449 */ 450 if (wipe_buf) 451 { 452 #ifdef FEAT_SUN_WORKSHOP 453 if (usingSunWorkShop) 454 workshop_file_closed_lineno((char *)buf->b_ffname, 455 (int)buf->b_last_cursor.lnum); 456 #endif 457 vim_free(buf->b_ffname); 458 vim_free(buf->b_sfname); 459 if (buf->b_prev == NULL) 460 firstbuf = buf->b_next; 461 else 462 buf->b_prev->b_next = buf->b_next; 463 if (buf->b_next == NULL) 464 lastbuf = buf->b_prev; 465 else 466 buf->b_next->b_prev = buf->b_prev; 467 free_buffer(buf); 468 } 469 else 470 { 471 if (del_buf) 472 { 473 /* Free all internal variables and reset option values, to make 474 * ":bdel" compatible with Vim 5.7. */ 475 free_buffer_stuff(buf, TRUE); 476 477 /* Make it look like a new buffer. */ 478 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 479 480 /* Init the options when loaded again. */ 481 buf->b_p_initialized = FALSE; 482 } 483 buf_clear_file(buf); 484 if (del_buf) 485 buf->b_p_bl = FALSE; 486 } 487 } 488 489 /* 490 * Make buffer not contain a file. 491 */ 492 void 493 buf_clear_file(buf) 494 buf_T *buf; 495 { 496 buf->b_ml.ml_line_count = 1; 497 unchanged(buf, TRUE); 498 #ifndef SHORT_FNAME 499 buf->b_shortname = FALSE; 500 #endif 501 buf->b_p_eol = TRUE; 502 buf->b_start_eol = TRUE; 503 #ifdef FEAT_MBYTE 504 buf->b_p_bomb = FALSE; 505 buf->b_start_bomb = FALSE; 506 #endif 507 buf->b_ml.ml_mfp = NULL; 508 buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ 509 #ifdef FEAT_NETBEANS_INTG 510 netbeans_deleted_all_lines(buf); 511 #endif 512 } 513 514 /* 515 * buf_freeall() - free all things allocated for a buffer that are related to 516 * the file. 517 */ 518 /*ARGSUSED*/ 519 void 520 buf_freeall(buf, del_buf, wipe_buf) 521 buf_T *buf; 522 int del_buf; /* buffer is going to be deleted */ 523 int wipe_buf; /* buffer is going to be wiped out */ 524 { 525 #ifdef FEAT_AUTOCMD 526 int is_curbuf = (buf == curbuf); 527 528 apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, FALSE, buf); 529 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 530 return; 531 if (del_buf && buf->b_p_bl) 532 { 533 apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, FALSE, buf); 534 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 535 return; 536 } 537 if (wipe_buf) 538 { 539 apply_autocmds(EVENT_BUFWIPEOUT, buf->b_fname, buf->b_fname, 540 FALSE, buf); 541 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 542 return; 543 } 544 # ifdef FEAT_EVAL 545 if (aborting()) /* autocmds may abort script processing */ 546 return; 547 # endif 548 549 /* 550 * It's possible that autocommands change curbuf to the one being deleted. 551 * This might cause curbuf to be deleted unexpectedly. But in some cases 552 * it's OK to delete the curbuf, because a new one is obtained anyway. 553 * Therefore only return if curbuf changed to the deleted buffer. 554 */ 555 if (buf == curbuf && !is_curbuf) 556 return; 557 #endif 558 #ifdef FEAT_DIFF 559 diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */ 560 #endif 561 562 #ifdef FEAT_FOLDING 563 /* No folds in an empty buffer. */ 564 # ifdef FEAT_WINDOWS 565 { 566 win_T *win; 567 tabpage_T *tp; 568 569 FOR_ALL_TAB_WINDOWS(tp, win) 570 if (win->w_buffer == buf) 571 clearFolding(win); 572 } 573 # else 574 if (curwin->w_buffer == buf) 575 clearFolding(curwin); 576 # endif 577 #endif 578 579 #ifdef FEAT_TCL 580 tcl_buffer_free(buf); 581 #endif 582 u_blockfree(buf); /* free the memory allocated for undo */ 583 ml_close(buf, TRUE); /* close and delete the memline/memfile */ 584 buf->b_ml.ml_line_count = 0; /* no lines in buffer */ 585 u_clearall(buf); /* reset all undo information */ 586 #ifdef FEAT_SYN_HL 587 syntax_clear(buf); /* reset syntax info */ 588 #endif 589 buf->b_flags &= ~BF_READERR; /* a read error is no longer relevant */ 590 } 591 592 /* 593 * Free a buffer structure and the things it contains related to the buffer 594 * itself (not the file, that must have been done already). 595 */ 596 static void 597 free_buffer(buf) 598 buf_T *buf; 599 { 600 free_buffer_stuff(buf, TRUE); 601 #ifdef FEAT_MZSCHEME 602 mzscheme_buffer_free(buf); 603 #endif 604 #ifdef FEAT_PERL 605 perl_buf_free(buf); 606 #endif 607 #ifdef FEAT_PYTHON 608 python_buffer_free(buf); 609 #endif 610 #ifdef FEAT_RUBY 611 ruby_buffer_free(buf); 612 #endif 613 #ifdef FEAT_AUTOCMD 614 aubuflocal_remove(buf); 615 #endif 616 vim_free(buf); 617 } 618 619 /* 620 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 621 */ 622 static void 623 free_buffer_stuff(buf, free_options) 624 buf_T *buf; 625 int free_options; /* free options as well */ 626 { 627 if (free_options) 628 { 629 clear_wininfo(buf); /* including window-local options */ 630 free_buf_options(buf, TRUE); 631 } 632 #ifdef FEAT_EVAL 633 vars_clear(&buf->b_vars.dv_hashtab); /* free all internal variables */ 634 hash_init(&buf->b_vars.dv_hashtab); 635 #endif 636 #ifdef FEAT_USR_CMDS 637 uc_clear(&buf->b_ucmds); /* clear local user commands */ 638 #endif 639 #ifdef FEAT_SIGNS 640 buf_delete_signs(buf); /* delete any signs */ 641 #endif 642 #ifdef FEAT_LOCALMAP 643 map_clear_int(buf, MAP_ALL_MODES, TRUE, FALSE); /* clear local mappings */ 644 map_clear_int(buf, MAP_ALL_MODES, TRUE, TRUE); /* clear local abbrevs */ 645 #endif 646 #ifdef FEAT_MBYTE 647 vim_free(buf->b_start_fenc); 648 buf->b_start_fenc = NULL; 649 #endif 650 } 651 652 /* 653 * Free the b_wininfo list for buffer "buf". 654 */ 655 static void 656 clear_wininfo(buf) 657 buf_T *buf; 658 { 659 wininfo_T *wip; 660 661 while (buf->b_wininfo != NULL) 662 { 663 wip = buf->b_wininfo; 664 buf->b_wininfo = wip->wi_next; 665 if (wip->wi_optset) 666 { 667 clear_winopt(&wip->wi_opt); 668 #ifdef FEAT_FOLDING 669 deleteFoldRecurse(&wip->wi_folds); 670 #endif 671 } 672 vim_free(wip); 673 } 674 } 675 676 #if defined(FEAT_LISTCMDS) || defined(PROTO) 677 /* 678 * Go to another buffer. Handles the result of the ATTENTION dialog. 679 */ 680 void 681 goto_buffer(eap, start, dir, count) 682 exarg_T *eap; 683 int start; 684 int dir; 685 int count; 686 { 687 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 688 buf_T *old_curbuf = curbuf; 689 690 swap_exists_action = SEA_DIALOG; 691 # endif 692 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 693 start, dir, count, eap->forceit); 694 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 695 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 696 { 697 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 698 cleanup_T cs; 699 700 /* Reset the error/interrupt/exception state here so that 701 * aborting() returns FALSE when closing a window. */ 702 enter_cleanup(&cs); 703 # endif 704 705 /* Quitting means closing the split window, nothing else. */ 706 win_close(curwin, TRUE); 707 swap_exists_action = SEA_NONE; 708 swap_exists_did_quit = TRUE; 709 710 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 711 /* Restore the error/interrupt/exception state if not discarded by a 712 * new aborting error, interrupt, or uncaught exception. */ 713 leave_cleanup(&cs); 714 # endif 715 } 716 else 717 handle_swap_exists(old_curbuf); 718 # endif 719 } 720 #endif 721 722 #if defined(HAS_SWAP_EXISTS_ACTION) || defined(PROTO) 723 /* 724 * Handle the situation of swap_exists_action being set. 725 * It is allowed for "old_curbuf" to be NULL or invalid. 726 */ 727 void 728 handle_swap_exists(old_curbuf) 729 buf_T *old_curbuf; 730 { 731 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 732 cleanup_T cs; 733 # endif 734 735 if (swap_exists_action == SEA_QUIT) 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 Quit at ATTENTION prompt. Go back to previous 744 * buffer. If that buffer is gone or the same as the current one, 745 * open a new, empty buffer. */ 746 swap_exists_action = SEA_NONE; /* don't want it again */ 747 swap_exists_did_quit = TRUE; 748 close_buffer(curwin, curbuf, DOBUF_UNLOAD); 749 if (!buf_valid(old_curbuf) || old_curbuf == curbuf) 750 old_curbuf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED); 751 if (old_curbuf != NULL) 752 enter_buffer(old_curbuf); 753 /* If "old_curbuf" is NULL we are in big trouble here... */ 754 755 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 756 /* Restore the error/interrupt/exception state if not discarded by a 757 * new aborting error, interrupt, or uncaught exception. */ 758 leave_cleanup(&cs); 759 # endif 760 } 761 else if (swap_exists_action == SEA_RECOVER) 762 { 763 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 764 /* Reset the error/interrupt/exception state here so that 765 * aborting() returns FALSE when closing a buffer. */ 766 enter_cleanup(&cs); 767 # endif 768 769 /* User selected Recover at ATTENTION prompt. */ 770 msg_scroll = TRUE; 771 ml_recover(); 772 MSG_PUTS("\n"); /* don't overwrite the last message */ 773 cmdline_row = msg_row; 774 do_modelines(0); 775 776 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 777 /* Restore the error/interrupt/exception state if not discarded by a 778 * new aborting error, interrupt, or uncaught exception. */ 779 leave_cleanup(&cs); 780 # endif 781 } 782 swap_exists_action = SEA_NONE; 783 } 784 #endif 785 786 #if defined(FEAT_LISTCMDS) || defined(PROTO) 787 /* 788 * do_bufdel() - delete or unload buffer(s) 789 * 790 * addr_count == 0: ":bdel" - delete current buffer 791 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 792 * buffer "end_bnr", then any other arguments. 793 * addr_count == 2: ":N,N bdel" - delete buffers in range 794 * 795 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 796 * DOBUF_DEL (":bdel") 797 * 798 * Returns error message or NULL 799 */ 800 char_u * 801 do_bufdel(command, arg, addr_count, start_bnr, end_bnr, forceit) 802 int command; 803 char_u *arg; /* pointer to extra arguments */ 804 int addr_count; 805 int start_bnr; /* first buffer number in a range */ 806 int end_bnr; /* buffer nr or last buffer nr in a range */ 807 int forceit; 808 { 809 int do_current = 0; /* delete current buffer? */ 810 int deleted = 0; /* number of buffers deleted */ 811 char_u *errormsg = NULL; /* return value */ 812 int bnr; /* buffer number */ 813 char_u *p; 814 815 #ifdef FEAT_NETBEANS_INTG 816 netbeansCloseFile = 1; 817 #endif 818 if (addr_count == 0) 819 { 820 (void)do_buffer(command, DOBUF_CURRENT, FORWARD, 0, forceit); 821 } 822 else 823 { 824 if (addr_count == 2) 825 { 826 if (*arg) /* both range and argument is not allowed */ 827 return (char_u *)_(e_trailing); 828 bnr = start_bnr; 829 } 830 else /* addr_count == 1 */ 831 bnr = end_bnr; 832 833 for ( ;!got_int; ui_breakcheck()) 834 { 835 /* 836 * delete the current buffer last, otherwise when the 837 * current buffer is deleted, the next buffer becomes 838 * the current one and will be loaded, which may then 839 * also be deleted, etc. 840 */ 841 if (bnr == curbuf->b_fnum) 842 do_current = bnr; 843 else if (do_buffer(command, DOBUF_FIRST, FORWARD, (int)bnr, 844 forceit) == OK) 845 ++deleted; 846 847 /* 848 * find next buffer number to delete/unload 849 */ 850 if (addr_count == 2) 851 { 852 if (++bnr > end_bnr) 853 break; 854 } 855 else /* addr_count == 1 */ 856 { 857 arg = skipwhite(arg); 858 if (*arg == NUL) 859 break; 860 if (!VIM_ISDIGIT(*arg)) 861 { 862 p = skiptowhite_esc(arg); 863 bnr = buflist_findpat(arg, p, command == DOBUF_WIPE, FALSE); 864 if (bnr < 0) /* failed */ 865 break; 866 arg = p; 867 } 868 else 869 bnr = getdigits(&arg); 870 } 871 } 872 if (!got_int && do_current && do_buffer(command, DOBUF_FIRST, 873 FORWARD, do_current, forceit) == OK) 874 ++deleted; 875 876 if (deleted == 0) 877 { 878 if (command == DOBUF_UNLOAD) 879 STRCPY(IObuff, _("E515: No buffers were unloaded")); 880 else if (command == DOBUF_DEL) 881 STRCPY(IObuff, _("E516: No buffers were deleted")); 882 else 883 STRCPY(IObuff, _("E517: No buffers were wiped out")); 884 errormsg = IObuff; 885 } 886 else if (deleted >= p_report) 887 { 888 if (command == DOBUF_UNLOAD) 889 { 890 if (deleted == 1) 891 MSG(_("1 buffer unloaded")); 892 else 893 smsg((char_u *)_("%d buffers unloaded"), deleted); 894 } 895 else if (command == DOBUF_DEL) 896 { 897 if (deleted == 1) 898 MSG(_("1 buffer deleted")); 899 else 900 smsg((char_u *)_("%d buffers deleted"), deleted); 901 } 902 else 903 { 904 if (deleted == 1) 905 MSG(_("1 buffer wiped out")); 906 else 907 smsg((char_u *)_("%d buffers wiped out"), deleted); 908 } 909 } 910 } 911 912 #ifdef FEAT_NETBEANS_INTG 913 netbeansCloseFile = 0; 914 #endif 915 916 return errormsg; 917 } 918 919 /* 920 * Implementation of the commands for the buffer list. 921 * 922 * action == DOBUF_GOTO go to specified buffer 923 * action == DOBUF_SPLIT split window and go to specified buffer 924 * action == DOBUF_UNLOAD unload specified buffer(s) 925 * action == DOBUF_DEL delete specified buffer(s) from buffer list 926 * action == DOBUF_WIPE delete specified buffer(s) really 927 * 928 * start == DOBUF_CURRENT go to "count" buffer from current buffer 929 * start == DOBUF_FIRST go to "count" buffer from first buffer 930 * start == DOBUF_LAST go to "count" buffer from last buffer 931 * start == DOBUF_MOD go to "count" modified buffer from current buffer 932 * 933 * Return FAIL or OK. 934 */ 935 int 936 do_buffer(action, start, dir, count, forceit) 937 int action; 938 int start; 939 int dir; /* FORWARD or BACKWARD */ 940 int count; /* buffer number or number of buffers */ 941 int forceit; /* TRUE for :...! */ 942 { 943 buf_T *buf; 944 buf_T *bp; 945 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 946 || action == DOBUF_WIPE); 947 948 switch (start) 949 { 950 case DOBUF_FIRST: buf = firstbuf; break; 951 case DOBUF_LAST: buf = lastbuf; break; 952 default: buf = curbuf; break; 953 } 954 if (start == DOBUF_MOD) /* find next modified buffer */ 955 { 956 while (count-- > 0) 957 { 958 do 959 { 960 buf = buf->b_next; 961 if (buf == NULL) 962 buf = firstbuf; 963 } 964 while (buf != curbuf && !bufIsChanged(buf)); 965 } 966 if (!bufIsChanged(buf)) 967 { 968 EMSG(_("E84: No modified buffer found")); 969 return FAIL; 970 } 971 } 972 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 973 { 974 while (buf != NULL && buf->b_fnum != count) 975 buf = buf->b_next; 976 } 977 else 978 { 979 bp = NULL; 980 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 981 { 982 /* remember the buffer where we start, we come back there when all 983 * buffers are unlisted. */ 984 if (bp == NULL) 985 bp = buf; 986 if (dir == FORWARD) 987 { 988 buf = buf->b_next; 989 if (buf == NULL) 990 buf = firstbuf; 991 } 992 else 993 { 994 buf = buf->b_prev; 995 if (buf == NULL) 996 buf = lastbuf; 997 } 998 /* don't count unlisted buffers */ 999 if (unload || buf->b_p_bl) 1000 { 1001 --count; 1002 bp = NULL; /* use this buffer as new starting point */ 1003 } 1004 if (bp == buf) 1005 { 1006 /* back where we started, didn't find anything. */ 1007 EMSG(_("E85: There is no listed buffer")); 1008 return FAIL; 1009 } 1010 } 1011 } 1012 1013 if (buf == NULL) /* could not find it */ 1014 { 1015 if (start == DOBUF_FIRST) 1016 { 1017 /* don't warn when deleting */ 1018 if (!unload) 1019 EMSGN(_("E86: Buffer %ld does not exist"), count); 1020 } 1021 else if (dir == FORWARD) 1022 EMSG(_("E87: Cannot go beyond last buffer")); 1023 else 1024 EMSG(_("E88: Cannot go before first buffer")); 1025 return FAIL; 1026 } 1027 1028 #ifdef FEAT_GUI 1029 need_mouse_correct = TRUE; 1030 #endif 1031 1032 #ifdef FEAT_LISTCMDS 1033 /* 1034 * delete buffer buf from memory and/or the list 1035 */ 1036 if (unload) 1037 { 1038 int forward; 1039 int retval; 1040 1041 /* When unloading or deleting a buffer that's already unloaded and 1042 * unlisted: fail silently. */ 1043 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 1044 return FAIL; 1045 1046 if (!forceit && bufIsChanged(buf)) 1047 { 1048 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1049 if ((p_confirm || cmdmod.confirm) && p_write) 1050 { 1051 dialog_changed(buf, FALSE); 1052 # ifdef FEAT_AUTOCMD 1053 if (!buf_valid(buf)) 1054 /* Autocommand deleted buffer, oops! It's not changed 1055 * now. */ 1056 return FAIL; 1057 # endif 1058 /* If it's still changed fail silently, the dialog already 1059 * mentioned why it fails. */ 1060 if (bufIsChanged(buf)) 1061 return FAIL; 1062 } 1063 else 1064 #endif 1065 { 1066 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 1067 buf->b_fnum); 1068 return FAIL; 1069 } 1070 } 1071 1072 /* 1073 * If deleting the last (listed) buffer, make it empty. 1074 * The last (listed) buffer cannot be unloaded. 1075 */ 1076 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 1077 if (bp->b_p_bl && bp != buf) 1078 break; 1079 if (bp == NULL && buf == curbuf) 1080 { 1081 if (action == DOBUF_UNLOAD) 1082 { 1083 EMSG(_("E90: Cannot unload last buffer")); 1084 return FAIL; 1085 } 1086 1087 /* Close any other windows on this buffer, then make it empty. */ 1088 #ifdef FEAT_WINDOWS 1089 close_windows(buf, TRUE); 1090 #endif 1091 setpcmark(); 1092 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1093 forceit ? ECMD_FORCEIT : 0); 1094 1095 /* 1096 * do_ecmd() may create a new buffer, then we have to delete 1097 * the old one. But do_ecmd() may have done that already, check 1098 * if the buffer still exists. 1099 */ 1100 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows == 0) 1101 close_buffer(NULL, buf, action); 1102 return retval; 1103 } 1104 1105 #ifdef FEAT_WINDOWS 1106 /* 1107 * If the deleted buffer is the current one, close the current window 1108 * (unless it's the only window). Repeat this so long as we end up in 1109 * a window with this buffer. 1110 */ 1111 while (buf == curbuf 1112 && (firstwin != lastwin || first_tabpage->tp_next != NULL)) 1113 win_close(curwin, FALSE); 1114 #endif 1115 1116 /* 1117 * If the buffer to be deleted is not the current one, delete it here. 1118 */ 1119 if (buf != curbuf) 1120 { 1121 #ifdef FEAT_WINDOWS 1122 close_windows(buf, FALSE); 1123 #endif 1124 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows <= 0) 1125 close_buffer(NULL, buf, action); 1126 return OK; 1127 } 1128 1129 /* 1130 * Deleting the current buffer: Need to find another buffer to go to. 1131 * There must be another, otherwise it would have been handled above. 1132 * First use au_new_curbuf, if it is valid. 1133 * Then prefer the buffer we most recently visited. 1134 * Else try to find one that is loaded, after the current buffer, 1135 * then before the current buffer. 1136 * Finally use any buffer. 1137 */ 1138 buf = NULL; /* selected buffer */ 1139 bp = NULL; /* used when no loaded buffer found */ 1140 #ifdef FEAT_AUTOCMD 1141 if (au_new_curbuf != NULL && buf_valid(au_new_curbuf)) 1142 buf = au_new_curbuf; 1143 # ifdef FEAT_JUMPLIST 1144 else 1145 # endif 1146 #endif 1147 #ifdef FEAT_JUMPLIST 1148 if (curwin->w_jumplistlen > 0) 1149 { 1150 int jumpidx; 1151 1152 jumpidx = curwin->w_jumplistidx - 1; 1153 if (jumpidx < 0) 1154 jumpidx = curwin->w_jumplistlen - 1; 1155 1156 forward = jumpidx; 1157 while (jumpidx != curwin->w_jumplistidx) 1158 { 1159 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1160 if (buf != NULL) 1161 { 1162 if (buf == curbuf || !buf->b_p_bl) 1163 buf = NULL; /* skip current and unlisted bufs */ 1164 else if (buf->b_ml.ml_mfp == NULL) 1165 { 1166 /* skip unloaded buf, but may keep it for later */ 1167 if (bp == NULL) 1168 bp = buf; 1169 buf = NULL; 1170 } 1171 } 1172 if (buf != NULL) /* found a valid buffer: stop searching */ 1173 break; 1174 /* advance to older entry in jump list */ 1175 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1176 break; 1177 if (--jumpidx < 0) 1178 jumpidx = curwin->w_jumplistlen - 1; 1179 if (jumpidx == forward) /* List exhausted for sure */ 1180 break; 1181 } 1182 } 1183 #endif 1184 1185 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1186 { 1187 forward = TRUE; 1188 buf = curbuf->b_next; 1189 for (;;) 1190 { 1191 if (buf == NULL) 1192 { 1193 if (!forward) /* tried both directions */ 1194 break; 1195 buf = curbuf->b_prev; 1196 forward = FALSE; 1197 continue; 1198 } 1199 /* in non-help buffer, try to skip help buffers, and vv */ 1200 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1201 { 1202 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1203 break; 1204 if (bp == NULL) /* remember unloaded buf for later */ 1205 bp = buf; 1206 } 1207 if (forward) 1208 buf = buf->b_next; 1209 else 1210 buf = buf->b_prev; 1211 } 1212 } 1213 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1214 buf = bp; 1215 if (buf == NULL) /* No loaded buffer, find listed one */ 1216 { 1217 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1218 if (buf->b_p_bl && buf != curbuf) 1219 break; 1220 } 1221 if (buf == NULL) /* Still no buffer, just take one */ 1222 { 1223 if (curbuf->b_next != NULL) 1224 buf = curbuf->b_next; 1225 else 1226 buf = curbuf->b_prev; 1227 } 1228 } 1229 1230 /* 1231 * make buf current buffer 1232 */ 1233 if (action == DOBUF_SPLIT) /* split window first */ 1234 { 1235 # ifdef FEAT_WINDOWS 1236 /* If 'switchbuf' contains "useopen": jump to first window containing 1237 * "buf" if one exists */ 1238 if ((swb_flags & SWB_USEOPEN) && buf_jump_open_win(buf)) 1239 return OK; 1240 /* If 'switchbuf' contians "usetab": jump to first window in any tab 1241 * page containing "buf" if one exists */ 1242 if ((swb_flags & SWB_USETAB) && buf_jump_open_tab(buf)) 1243 return OK; 1244 if (win_split(0, 0) == FAIL) 1245 # endif 1246 return FAIL; 1247 } 1248 #endif 1249 1250 /* go to current buffer - nothing to do */ 1251 if (buf == curbuf) 1252 return OK; 1253 1254 /* 1255 * Check if the current buffer may be abandoned. 1256 */ 1257 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1258 { 1259 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1260 if ((p_confirm || cmdmod.confirm) && p_write) 1261 { 1262 dialog_changed(curbuf, FALSE); 1263 # ifdef FEAT_AUTOCMD 1264 if (!buf_valid(buf)) 1265 /* Autocommand deleted buffer, oops! */ 1266 return FAIL; 1267 # endif 1268 } 1269 if (bufIsChanged(curbuf)) 1270 #endif 1271 { 1272 EMSG(_(e_nowrtmsg)); 1273 return FAIL; 1274 } 1275 } 1276 1277 /* Go to the other buffer. */ 1278 set_curbuf(buf, action); 1279 1280 #if defined(FEAT_LISTCMDS) && defined(FEAT_SCROLLBIND) 1281 if (action == DOBUF_SPLIT) 1282 curwin->w_p_scb = FALSE; /* reset 'scrollbind' */ 1283 #endif 1284 1285 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1286 if (aborting()) /* autocmds may abort script processing */ 1287 return FAIL; 1288 #endif 1289 1290 return OK; 1291 } 1292 1293 #endif /* FEAT_LISTCMDS */ 1294 1295 /* 1296 * Set current buffer to "buf". Executes autocommands and closes current 1297 * buffer. "action" tells how to close the current buffer: 1298 * DOBUF_GOTO free or hide it 1299 * DOBUF_SPLIT nothing 1300 * DOBUF_UNLOAD unload it 1301 * DOBUF_DEL delete it 1302 * DOBUF_WIPE wipe it out 1303 */ 1304 void 1305 set_curbuf(buf, action) 1306 buf_T *buf; 1307 int action; 1308 { 1309 buf_T *prevbuf; 1310 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1311 || action == DOBUF_WIPE); 1312 1313 setpcmark(); 1314 if (!cmdmod.keepalt) 1315 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1316 buflist_altfpos(); /* remember curpos */ 1317 1318 #ifdef FEAT_VISUAL 1319 /* Don't restart Select mode after switching to another buffer. */ 1320 VIsual_reselect = FALSE; 1321 #endif 1322 1323 /* close_windows() or apply_autocmds() may change curbuf */ 1324 prevbuf = curbuf; 1325 1326 #ifdef FEAT_AUTOCMD 1327 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 1328 # ifdef FEAT_EVAL 1329 if (buf_valid(prevbuf) && !aborting()) 1330 # else 1331 if (buf_valid(prevbuf)) 1332 # endif 1333 #endif 1334 { 1335 #ifdef FEAT_WINDOWS 1336 if (unload) 1337 close_windows(prevbuf, FALSE); 1338 #endif 1339 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1340 if (buf_valid(prevbuf) && !aborting()) 1341 #else 1342 if (buf_valid(prevbuf)) 1343 #endif 1344 { 1345 if (prevbuf == curbuf) 1346 u_sync(FALSE); 1347 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1348 unload ? action : (action == DOBUF_GOTO 1349 && !P_HID(prevbuf) 1350 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0); 1351 } 1352 } 1353 #ifdef FEAT_AUTOCMD 1354 # ifdef FEAT_EVAL 1355 /* An autocommand may have deleted buf or aborted the script processing! */ 1356 if (buf_valid(buf) && !aborting()) 1357 # else 1358 if (buf_valid(buf)) /* an autocommand may have deleted buf! */ 1359 # endif 1360 #endif 1361 enter_buffer(buf); 1362 } 1363 1364 /* 1365 * Enter a new current buffer. 1366 * Old curbuf must have been abandoned already! 1367 */ 1368 void 1369 enter_buffer(buf) 1370 buf_T *buf; 1371 { 1372 /* Copy buffer and window local option values. Not for a help buffer. */ 1373 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1374 if (!buf->b_help) 1375 get_winopts(buf); 1376 #ifdef FEAT_FOLDING 1377 else 1378 /* Remove all folds in the window. */ 1379 clearFolding(curwin); 1380 foldUpdateAll(curwin); /* update folds (later). */ 1381 #endif 1382 1383 /* Get the buffer in the current window. */ 1384 curwin->w_buffer = buf; 1385 curbuf = buf; 1386 ++curbuf->b_nwindows; 1387 1388 #ifdef FEAT_DIFF 1389 if (curwin->w_p_diff) 1390 diff_buf_add(curbuf); 1391 #endif 1392 1393 /* Cursor on first line by default. */ 1394 curwin->w_cursor.lnum = 1; 1395 curwin->w_cursor.col = 0; 1396 #ifdef FEAT_VIRTUALEDIT 1397 curwin->w_cursor.coladd = 0; 1398 #endif 1399 curwin->w_set_curswant = TRUE; 1400 1401 /* Make sure the buffer is loaded. */ 1402 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1403 { 1404 #ifdef FEAT_AUTOCMD 1405 /* If there is no filetype, allow for detecting one. Esp. useful for 1406 * ":ball" used in a autocommand. If there already is a filetype we 1407 * might prefer to keep it. */ 1408 if (*curbuf->b_p_ft == NUL) 1409 did_filetype = FALSE; 1410 #endif 1411 1412 open_buffer(FALSE, NULL); 1413 } 1414 else 1415 { 1416 if (!msg_silent) 1417 need_fileinfo = TRUE; /* display file info after redraw */ 1418 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1419 #ifdef FEAT_AUTOCMD 1420 curwin->w_topline = 1; 1421 # ifdef FEAT_DIFF 1422 curwin->w_topfill = 0; 1423 # endif 1424 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1425 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1426 #endif 1427 } 1428 1429 /* If autocommands did not change the cursor position, restore cursor lnum 1430 * and possibly cursor col. */ 1431 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1432 buflist_getfpos(); 1433 1434 check_arg_idx(curwin); /* check for valid arg_idx */ 1435 #ifdef FEAT_TITLE 1436 maketitle(); 1437 #endif 1438 #ifdef FEAT_AUTOCMD 1439 if (curwin->w_topline == 1) /* when autocmds didn't change it */ 1440 #endif 1441 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1442 1443 #ifdef FEAT_NETBEANS_INTG 1444 /* Send fileOpened event because we've changed buffers. */ 1445 if (usingNetbeans && isNetbeansBuffer(curbuf)) 1446 netbeans_file_activated(curbuf); 1447 #endif 1448 1449 /* Change directories when the 'acd' option is set. */ 1450 DO_AUTOCHDIR 1451 1452 #ifdef FEAT_KEYMAP 1453 if (curbuf->b_kmap_state & KEYMAP_INIT) 1454 keymap_init(); 1455 #endif 1456 #ifdef FEAT_SPELL 1457 /* May need to set the spell language. Can only do this after the buffer 1458 * has been properly setup. */ 1459 if (!curbuf->b_help && curwin->w_p_spell && *curbuf->b_p_spl != NUL) 1460 did_set_spelllang(curbuf); 1461 #endif 1462 1463 redraw_later(NOT_VALID); 1464 } 1465 1466 #if defined(FEAT_AUTOCHDIR) || defined(PROTO) 1467 /* 1468 * Change to the directory of the current buffer. 1469 */ 1470 void 1471 do_autochdir() 1472 { 1473 if (curbuf->b_ffname != NULL && vim_chdirfile(curbuf->b_ffname) == OK) 1474 shorten_fnames(TRUE); 1475 } 1476 #endif 1477 1478 /* 1479 * functions for dealing with the buffer list 1480 */ 1481 1482 /* 1483 * Add a file name to the buffer list. Return a pointer to the buffer. 1484 * If the same file name already exists return a pointer to that buffer. 1485 * If it does not exist, or if fname == NULL, a new entry is created. 1486 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1487 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1488 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1489 * This is the ONLY way to create a new buffer. 1490 */ 1491 static int top_file_num = 1; /* highest file number */ 1492 1493 buf_T * 1494 buflist_new(ffname, sfname, lnum, flags) 1495 char_u *ffname; /* full path of fname or relative */ 1496 char_u *sfname; /* short fname or NULL */ 1497 linenr_T lnum; /* preferred cursor line */ 1498 int flags; /* BLN_ defines */ 1499 { 1500 buf_T *buf; 1501 #ifdef UNIX 1502 struct stat st; 1503 #endif 1504 1505 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1506 1507 /* 1508 * If file name already exists in the list, update the entry. 1509 */ 1510 #ifdef UNIX 1511 /* On Unix we can use inode numbers when the file exists. Works better 1512 * for hard links. */ 1513 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1514 st.st_dev = (dev_T)-1; 1515 #endif 1516 if (ffname != NULL && !(flags & BLN_DUMMY) && (buf = 1517 #ifdef UNIX 1518 buflist_findname_stat(ffname, &st) 1519 #else 1520 buflist_findname(ffname) 1521 #endif 1522 ) != NULL) 1523 { 1524 vim_free(ffname); 1525 if (lnum != 0) 1526 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1527 /* copy the options now, if 'cpo' doesn't have 's' and not done 1528 * already */ 1529 buf_copy_options(buf, 0); 1530 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1531 { 1532 buf->b_p_bl = TRUE; 1533 #ifdef FEAT_AUTOCMD 1534 if (!(flags & BLN_DUMMY)) 1535 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1536 #endif 1537 } 1538 return buf; 1539 } 1540 1541 /* 1542 * If the current buffer has no name and no contents, use the current 1543 * buffer. Otherwise: Need to allocate a new buffer structure. 1544 * 1545 * This is the ONLY place where a new buffer structure is allocated! 1546 * (A spell file buffer is allocated in spell.c, but that's not a normal 1547 * buffer.) 1548 */ 1549 buf = NULL; 1550 if ((flags & BLN_CURBUF) 1551 && curbuf != NULL 1552 && curbuf->b_ffname == NULL 1553 && curbuf->b_nwindows <= 1 1554 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1555 { 1556 buf = curbuf; 1557 #ifdef FEAT_AUTOCMD 1558 /* It's like this buffer is deleted. Watch out for autocommands that 1559 * change curbuf! If that happens, allocate a new buffer anyway. */ 1560 if (curbuf->b_p_bl) 1561 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1562 if (buf == curbuf) 1563 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1564 # ifdef FEAT_EVAL 1565 if (aborting()) /* autocmds may abort script processing */ 1566 return NULL; 1567 # endif 1568 #endif 1569 #ifdef FEAT_QUICKFIX 1570 # ifdef FEAT_AUTOCMD 1571 if (buf == curbuf) 1572 # endif 1573 { 1574 /* Make sure 'bufhidden' and 'buftype' are empty */ 1575 clear_string_option(&buf->b_p_bh); 1576 clear_string_option(&buf->b_p_bt); 1577 } 1578 #endif 1579 } 1580 if (buf != curbuf || curbuf == NULL) 1581 { 1582 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1583 if (buf == NULL) 1584 { 1585 vim_free(ffname); 1586 return NULL; 1587 } 1588 } 1589 1590 if (ffname != NULL) 1591 { 1592 buf->b_ffname = ffname; 1593 buf->b_sfname = vim_strsave(sfname); 1594 } 1595 1596 clear_wininfo(buf); 1597 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 1598 1599 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 1600 || buf->b_wininfo == NULL) 1601 { 1602 vim_free(buf->b_ffname); 1603 buf->b_ffname = NULL; 1604 vim_free(buf->b_sfname); 1605 buf->b_sfname = NULL; 1606 if (buf != curbuf) 1607 free_buffer(buf); 1608 return NULL; 1609 } 1610 1611 if (buf == curbuf) 1612 { 1613 /* free all things allocated for this buffer */ 1614 buf_freeall(buf, FALSE, FALSE); 1615 if (buf != curbuf) /* autocommands deleted the buffer! */ 1616 return NULL; 1617 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1618 if (aborting()) /* autocmds may abort script processing */ 1619 return NULL; 1620 #endif 1621 /* buf->b_nwindows = 0; why was this here? */ 1622 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1623 #ifdef FEAT_KEYMAP 1624 /* need to reload lmaps and set b:keymap_name */ 1625 curbuf->b_kmap_state |= KEYMAP_INIT; 1626 #endif 1627 } 1628 else 1629 { 1630 /* 1631 * put new buffer at the end of the buffer list 1632 */ 1633 buf->b_next = NULL; 1634 if (firstbuf == NULL) /* buffer list is empty */ 1635 { 1636 buf->b_prev = NULL; 1637 firstbuf = buf; 1638 } 1639 else /* append new buffer at end of list */ 1640 { 1641 lastbuf->b_next = buf; 1642 buf->b_prev = lastbuf; 1643 } 1644 lastbuf = buf; 1645 1646 buf->b_fnum = top_file_num++; 1647 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1648 { 1649 EMSG(_("W14: Warning: List of file names overflow")); 1650 if (emsg_silent == 0) 1651 { 1652 out_flush(); 1653 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1654 } 1655 top_file_num = 1; 1656 } 1657 1658 /* 1659 * Always copy the options from the current buffer. 1660 */ 1661 buf_copy_options(buf, BCO_ALWAYS); 1662 } 1663 1664 buf->b_wininfo->wi_fpos.lnum = lnum; 1665 buf->b_wininfo->wi_win = curwin; 1666 1667 #ifdef FEAT_EVAL 1668 init_var_dict(&buf->b_vars, &buf->b_bufvar); /* init b: variables */ 1669 #endif 1670 #ifdef FEAT_SYN_HL 1671 hash_init(&buf->b_keywtab); 1672 hash_init(&buf->b_keywtab_ic); 1673 #endif 1674 1675 buf->b_fname = buf->b_sfname; 1676 #ifdef UNIX 1677 if (st.st_dev == (dev_T)-1) 1678 buf->b_dev = -1; 1679 else 1680 { 1681 buf->b_dev = st.st_dev; 1682 buf->b_ino = st.st_ino; 1683 } 1684 #endif 1685 buf->b_u_synced = TRUE; 1686 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1687 if (flags & BLN_DUMMY) 1688 buf->b_flags |= BF_DUMMY; 1689 buf_clear_file(buf); 1690 clrallmarks(buf); /* clear marks */ 1691 fmarks_check_names(buf); /* check file marks for this file */ 1692 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1693 #ifdef FEAT_AUTOCMD 1694 if (!(flags & BLN_DUMMY)) 1695 { 1696 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1697 if (flags & BLN_LISTED) 1698 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1699 # ifdef FEAT_EVAL 1700 if (aborting()) /* autocmds may abort script processing */ 1701 return NULL; 1702 # endif 1703 } 1704 #endif 1705 1706 return buf; 1707 } 1708 1709 /* 1710 * Free the memory for the options of a buffer. 1711 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1712 * 'fileencoding'. 1713 */ 1714 void 1715 free_buf_options(buf, free_p_ff) 1716 buf_T *buf; 1717 int free_p_ff; 1718 { 1719 if (free_p_ff) 1720 { 1721 #ifdef FEAT_MBYTE 1722 clear_string_option(&buf->b_p_fenc); 1723 #endif 1724 clear_string_option(&buf->b_p_ff); 1725 #ifdef FEAT_QUICKFIX 1726 clear_string_option(&buf->b_p_bh); 1727 clear_string_option(&buf->b_p_bt); 1728 #endif 1729 } 1730 #ifdef FEAT_FIND_ID 1731 clear_string_option(&buf->b_p_def); 1732 clear_string_option(&buf->b_p_inc); 1733 # ifdef FEAT_EVAL 1734 clear_string_option(&buf->b_p_inex); 1735 # endif 1736 #endif 1737 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1738 clear_string_option(&buf->b_p_inde); 1739 clear_string_option(&buf->b_p_indk); 1740 #endif 1741 #if defined(FEAT_BEVAL) && defined(FEAT_EVAL) 1742 clear_string_option(&buf->b_p_bexpr); 1743 #endif 1744 #if defined(FEAT_EVAL) 1745 clear_string_option(&buf->b_p_fex); 1746 #endif 1747 #ifdef FEAT_CRYPT 1748 clear_string_option(&buf->b_p_key); 1749 #endif 1750 clear_string_option(&buf->b_p_kp); 1751 clear_string_option(&buf->b_p_mps); 1752 clear_string_option(&buf->b_p_fo); 1753 clear_string_option(&buf->b_p_flp); 1754 clear_string_option(&buf->b_p_isk); 1755 #ifdef FEAT_KEYMAP 1756 clear_string_option(&buf->b_p_keymap); 1757 ga_clear(&buf->b_kmap_ga); 1758 #endif 1759 #ifdef FEAT_COMMENTS 1760 clear_string_option(&buf->b_p_com); 1761 #endif 1762 #ifdef FEAT_FOLDING 1763 clear_string_option(&buf->b_p_cms); 1764 #endif 1765 clear_string_option(&buf->b_p_nf); 1766 #ifdef FEAT_SYN_HL 1767 clear_string_option(&buf->b_p_syn); 1768 #endif 1769 #ifdef FEAT_SPELL 1770 clear_string_option(&buf->b_p_spc); 1771 clear_string_option(&buf->b_p_spf); 1772 vim_free(buf->b_cap_prog); 1773 buf->b_cap_prog = NULL; 1774 clear_string_option(&buf->b_p_spl); 1775 #endif 1776 #ifdef FEAT_SEARCHPATH 1777 clear_string_option(&buf->b_p_sua); 1778 #endif 1779 #ifdef FEAT_AUTOCMD 1780 clear_string_option(&buf->b_p_ft); 1781 #endif 1782 #ifdef FEAT_OSFILETYPE 1783 clear_string_option(&buf->b_p_oft); 1784 #endif 1785 #ifdef FEAT_CINDENT 1786 clear_string_option(&buf->b_p_cink); 1787 clear_string_option(&buf->b_p_cino); 1788 #endif 1789 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1790 clear_string_option(&buf->b_p_cinw); 1791 #endif 1792 #ifdef FEAT_INS_EXPAND 1793 clear_string_option(&buf->b_p_cpt); 1794 #endif 1795 #ifdef FEAT_COMPL_FUNC 1796 clear_string_option(&buf->b_p_cfu); 1797 clear_string_option(&buf->b_p_ofu); 1798 #endif 1799 #ifdef FEAT_QUICKFIX 1800 clear_string_option(&buf->b_p_gp); 1801 clear_string_option(&buf->b_p_mp); 1802 clear_string_option(&buf->b_p_efm); 1803 #endif 1804 clear_string_option(&buf->b_p_ep); 1805 clear_string_option(&buf->b_p_path); 1806 clear_string_option(&buf->b_p_tags); 1807 #ifdef FEAT_INS_EXPAND 1808 clear_string_option(&buf->b_p_dict); 1809 clear_string_option(&buf->b_p_tsr); 1810 #endif 1811 #ifdef FEAT_TEXTOBJ 1812 clear_string_option(&buf->b_p_qe); 1813 #endif 1814 buf->b_p_ar = -1; 1815 } 1816 1817 /* 1818 * get alternate file n 1819 * set linenr to lnum or altfpos.lnum if lnum == 0 1820 * also set cursor column to altfpos.col if 'startofline' is not set. 1821 * if (options & GETF_SETMARK) call setpcmark() 1822 * if (options & GETF_ALT) we are jumping to an alternate file. 1823 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 1824 * 1825 * return FAIL for failure, OK for success 1826 */ 1827 int 1828 buflist_getfile(n, lnum, options, forceit) 1829 int n; 1830 linenr_T lnum; 1831 int options; 1832 int forceit; 1833 { 1834 buf_T *buf; 1835 #ifdef FEAT_WINDOWS 1836 win_T *wp = NULL; 1837 #endif 1838 pos_T *fpos; 1839 colnr_T col; 1840 1841 buf = buflist_findnr(n); 1842 if (buf == NULL) 1843 { 1844 if ((options & GETF_ALT) && n == 0) 1845 EMSG(_(e_noalt)); 1846 else 1847 EMSGN(_("E92: Buffer %ld not found"), n); 1848 return FAIL; 1849 } 1850 1851 /* if alternate file is the current buffer, nothing to do */ 1852 if (buf == curbuf) 1853 return OK; 1854 1855 if (text_locked()) 1856 { 1857 text_locked_msg(); 1858 return FAIL; 1859 } 1860 #ifdef FEAT_AUTOCMD 1861 if (curbuf_locked()) 1862 return FAIL; 1863 #endif 1864 1865 /* altfpos may be changed by getfile(), get it now */ 1866 if (lnum == 0) 1867 { 1868 fpos = buflist_findfpos(buf); 1869 lnum = fpos->lnum; 1870 col = fpos->col; 1871 } 1872 else 1873 col = 0; 1874 1875 #ifdef FEAT_WINDOWS 1876 if (options & GETF_SWITCH) 1877 { 1878 /* If 'switchbuf' contains "useopen": jump to first window containing 1879 * "buf" if one exists */ 1880 if (swb_flags & SWB_USEOPEN) 1881 wp = buf_jump_open_win(buf); 1882 /* If 'switchbuf' contians "usetab": jump to first window in any tab 1883 * page containing "buf" if one exists */ 1884 if (wp == NULL && (swb_flags & SWB_USETAB)) 1885 wp = buf_jump_open_tab(buf); 1886 /* If 'switchbuf' contains "split" or "newtab" and the current buffer 1887 * isn't empty: open new window */ 1888 if (wp == NULL && (swb_flags & (SWB_SPLIT | SWB_NEWTAB)) && !bufempty()) 1889 { 1890 if (swb_flags & SWB_NEWTAB) /* Open in a new tab */ 1891 tabpage_new(); 1892 else if (win_split(0, 0) == FAIL) /* Open in a new window */ 1893 return FAIL; 1894 # ifdef FEAT_SCROLLBIND 1895 curwin->w_p_scb = FALSE; 1896 # endif 1897 } 1898 } 1899 #endif 1900 1901 ++RedrawingDisabled; 1902 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 1903 lnum, forceit) <= 0) 1904 { 1905 --RedrawingDisabled; 1906 1907 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 1908 if (!p_sol && col != 0) 1909 { 1910 curwin->w_cursor.col = col; 1911 check_cursor_col(); 1912 #ifdef FEAT_VIRTUALEDIT 1913 curwin->w_cursor.coladd = 0; 1914 #endif 1915 curwin->w_set_curswant = TRUE; 1916 } 1917 return OK; 1918 } 1919 --RedrawingDisabled; 1920 return FAIL; 1921 } 1922 1923 /* 1924 * go to the last know line number for the current buffer 1925 */ 1926 void 1927 buflist_getfpos() 1928 { 1929 pos_T *fpos; 1930 1931 fpos = buflist_findfpos(curbuf); 1932 1933 curwin->w_cursor.lnum = fpos->lnum; 1934 check_cursor_lnum(); 1935 1936 if (p_sol) 1937 curwin->w_cursor.col = 0; 1938 else 1939 { 1940 curwin->w_cursor.col = fpos->col; 1941 check_cursor_col(); 1942 #ifdef FEAT_VIRTUALEDIT 1943 curwin->w_cursor.coladd = 0; 1944 #endif 1945 curwin->w_set_curswant = TRUE; 1946 } 1947 } 1948 1949 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 1950 /* 1951 * Find file in buffer list by name (it has to be for the current window). 1952 * Returns NULL if not found. 1953 */ 1954 buf_T * 1955 buflist_findname_exp(fname) 1956 char_u *fname; 1957 { 1958 char_u *ffname; 1959 buf_T *buf = NULL; 1960 1961 /* First make the name into a full path name */ 1962 ffname = FullName_save(fname, 1963 #ifdef UNIX 1964 TRUE /* force expansion, get rid of symbolic links */ 1965 #else 1966 FALSE 1967 #endif 1968 ); 1969 if (ffname != NULL) 1970 { 1971 buf = buflist_findname(ffname); 1972 vim_free(ffname); 1973 } 1974 return buf; 1975 } 1976 #endif 1977 1978 /* 1979 * Find file in buffer list by name (it has to be for the current window). 1980 * "ffname" must have a full path. 1981 * Skips dummy buffers. 1982 * Returns NULL if not found. 1983 */ 1984 buf_T * 1985 buflist_findname(ffname) 1986 char_u *ffname; 1987 { 1988 #ifdef UNIX 1989 struct stat st; 1990 1991 if (mch_stat((char *)ffname, &st) < 0) 1992 st.st_dev = (dev_T)-1; 1993 return buflist_findname_stat(ffname, &st); 1994 } 1995 1996 /* 1997 * Same as buflist_findname(), but pass the stat structure to avoid getting it 1998 * twice for the same file. 1999 * Returns NULL if not found. 2000 */ 2001 static buf_T * 2002 buflist_findname_stat(ffname, stp) 2003 char_u *ffname; 2004 struct stat *stp; 2005 { 2006 #endif 2007 buf_T *buf; 2008 2009 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2010 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 2011 #ifdef UNIX 2012 , stp 2013 #endif 2014 )) 2015 return buf; 2016 return NULL; 2017 } 2018 2019 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) || defined(PROTO) 2020 /* 2021 * Find file in buffer list by a regexp pattern. 2022 * Return fnum of the found buffer. 2023 * Return < 0 for error. 2024 */ 2025 /*ARGSUSED*/ 2026 int 2027 buflist_findpat(pattern, pattern_end, unlisted, diffmode) 2028 char_u *pattern; 2029 char_u *pattern_end; /* pointer to first char after pattern */ 2030 int unlisted; /* find unlisted buffers */ 2031 int diffmode; /* find diff-mode buffers only */ 2032 { 2033 buf_T *buf; 2034 regprog_T *prog; 2035 int match = -1; 2036 int find_listed; 2037 char_u *pat; 2038 char_u *patend; 2039 int attempt; 2040 char_u *p; 2041 int toggledollar; 2042 2043 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 2044 { 2045 if (*pattern == '%') 2046 match = curbuf->b_fnum; 2047 else 2048 match = curwin->w_alt_fnum; 2049 #ifdef FEAT_DIFF 2050 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 2051 match = -1; 2052 #endif 2053 } 2054 2055 /* 2056 * Try four ways of matching a listed buffer: 2057 * attempt == 0: without '^' or '$' (at any position) 2058 * attempt == 1: with '^' at start (only at position 0) 2059 * attempt == 2: with '$' at end (only match at end) 2060 * attempt == 3: with '^' at start and '$' at end (only full match) 2061 * Repeat this for finding an unlisted buffer if there was no matching 2062 * listed buffer. 2063 */ 2064 else 2065 { 2066 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2067 if (pat == NULL) 2068 return -1; 2069 patend = pat + STRLEN(pat) - 1; 2070 toggledollar = (patend > pat && *patend == '$'); 2071 2072 /* First try finding a listed buffer. If not found and "unlisted" 2073 * is TRUE, try finding an unlisted buffer. */ 2074 find_listed = TRUE; 2075 for (;;) 2076 { 2077 for (attempt = 0; attempt <= 3; ++attempt) 2078 { 2079 /* may add '^' and '$' */ 2080 if (toggledollar) 2081 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2082 p = pat; 2083 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2084 ++p; 2085 prog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2086 if (prog == NULL) 2087 { 2088 vim_free(pat); 2089 return -1; 2090 } 2091 2092 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2093 if (buf->b_p_bl == find_listed 2094 #ifdef FEAT_DIFF 2095 && (!diffmode || diff_mode_buf(buf)) 2096 #endif 2097 && buflist_match(prog, buf) != NULL) 2098 { 2099 if (match >= 0) /* already found a match */ 2100 { 2101 match = -2; 2102 break; 2103 } 2104 match = buf->b_fnum; /* remember first match */ 2105 } 2106 2107 vim_free(prog); 2108 if (match >= 0) /* found one match */ 2109 break; 2110 } 2111 2112 /* Only search for unlisted buffers if there was no match with 2113 * a listed buffer. */ 2114 if (!unlisted || !find_listed || match != -1) 2115 break; 2116 find_listed = FALSE; 2117 } 2118 2119 vim_free(pat); 2120 } 2121 2122 if (match == -2) 2123 EMSG2(_("E93: More than one match for %s"), pattern); 2124 else if (match < 0) 2125 EMSG2(_("E94: No matching buffer for %s"), pattern); 2126 return match; 2127 } 2128 #endif 2129 2130 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2131 2132 /* 2133 * Find all buffer names that match. 2134 * For command line expansion of ":buf" and ":sbuf". 2135 * Return OK if matches found, FAIL otherwise. 2136 */ 2137 int 2138 ExpandBufnames(pat, num_file, file, options) 2139 char_u *pat; 2140 int *num_file; 2141 char_u ***file; 2142 int options; 2143 { 2144 int count = 0; 2145 buf_T *buf; 2146 int round; 2147 char_u *p; 2148 int attempt; 2149 regprog_T *prog; 2150 char_u *patc; 2151 2152 *num_file = 0; /* return values in case of FAIL */ 2153 *file = NULL; 2154 2155 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2156 if (*pat == '^') 2157 { 2158 patc = alloc((unsigned)STRLEN(pat) + 11); 2159 if (patc == NULL) 2160 return FAIL; 2161 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2162 STRCPY(patc + 11, pat + 1); 2163 } 2164 else 2165 patc = pat; 2166 2167 /* 2168 * attempt == 0: try match with '\<', match at start of word 2169 * attempt == 1: try match without '\<', match anywhere 2170 */ 2171 for (attempt = 0; attempt <= 1; ++attempt) 2172 { 2173 if (attempt > 0 && patc == pat) 2174 break; /* there was no anchor, no need to try again */ 2175 prog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2176 if (prog == NULL) 2177 { 2178 if (patc != pat) 2179 vim_free(patc); 2180 return FAIL; 2181 } 2182 2183 /* 2184 * round == 1: Count the matches. 2185 * round == 2: Build the array to keep the matches. 2186 */ 2187 for (round = 1; round <= 2; ++round) 2188 { 2189 count = 0; 2190 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2191 { 2192 if (!buf->b_p_bl) /* skip unlisted buffers */ 2193 continue; 2194 p = buflist_match(prog, buf); 2195 if (p != NULL) 2196 { 2197 if (round == 1) 2198 ++count; 2199 else 2200 { 2201 if (options & WILD_HOME_REPLACE) 2202 p = home_replace_save(buf, p); 2203 else 2204 p = vim_strsave(p); 2205 (*file)[count++] = p; 2206 } 2207 } 2208 } 2209 if (count == 0) /* no match found, break here */ 2210 break; 2211 if (round == 1) 2212 { 2213 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2214 if (*file == NULL) 2215 { 2216 vim_free(prog); 2217 if (patc != pat) 2218 vim_free(patc); 2219 return FAIL; 2220 } 2221 } 2222 } 2223 vim_free(prog); 2224 if (count) /* match(es) found, break here */ 2225 break; 2226 } 2227 2228 if (patc != pat) 2229 vim_free(patc); 2230 2231 *num_file = count; 2232 return (count == 0 ? FAIL : OK); 2233 } 2234 2235 #endif /* FEAT_CMDL_COMPL */ 2236 2237 #ifdef HAVE_BUFLIST_MATCH 2238 /* 2239 * Check for a match on the file name for buffer "buf" with regprog "prog". 2240 */ 2241 static char_u * 2242 buflist_match(prog, buf) 2243 regprog_T *prog; 2244 buf_T *buf; 2245 { 2246 char_u *match; 2247 2248 /* First try the short file name, then the long file name. */ 2249 match = fname_match(prog, buf->b_sfname); 2250 if (match == NULL) 2251 match = fname_match(prog, buf->b_ffname); 2252 2253 return match; 2254 } 2255 2256 /* 2257 * Try matching the regexp in "prog" with file name "name". 2258 * Return "name" when there is a match, NULL when not. 2259 */ 2260 static char_u * 2261 fname_match(prog, name) 2262 regprog_T *prog; 2263 char_u *name; 2264 { 2265 char_u *match = NULL; 2266 char_u *p; 2267 regmatch_T regmatch; 2268 2269 if (name != NULL) 2270 { 2271 regmatch.regprog = prog; 2272 #ifdef CASE_INSENSITIVE_FILENAME 2273 regmatch.rm_ic = TRUE; /* Always ignore case */ 2274 #else 2275 regmatch.rm_ic = FALSE; /* Never ignore case */ 2276 #endif 2277 2278 if (vim_regexec(®match, name, (colnr_T)0)) 2279 match = name; 2280 else 2281 { 2282 /* Replace $(HOME) with '~' and try matching again. */ 2283 p = home_replace_save(NULL, name); 2284 if (p != NULL && vim_regexec(®match, p, (colnr_T)0)) 2285 match = name; 2286 vim_free(p); 2287 } 2288 } 2289 2290 return match; 2291 } 2292 #endif 2293 2294 /* 2295 * find file in buffer list by number 2296 */ 2297 buf_T * 2298 buflist_findnr(nr) 2299 int nr; 2300 { 2301 buf_T *buf; 2302 2303 if (nr == 0) 2304 nr = curwin->w_alt_fnum; 2305 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2306 if (buf->b_fnum == nr) 2307 return (buf); 2308 return NULL; 2309 } 2310 2311 /* 2312 * Get name of file 'n' in the buffer list. 2313 * When the file has no name an empty string is returned. 2314 * home_replace() is used to shorten the file name (used for marks). 2315 * Returns a pointer to allocated memory, of NULL when failed. 2316 */ 2317 char_u * 2318 buflist_nr2name(n, fullname, helptail) 2319 int n; 2320 int fullname; 2321 int helptail; /* for help buffers return tail only */ 2322 { 2323 buf_T *buf; 2324 2325 buf = buflist_findnr(n); 2326 if (buf == NULL) 2327 return NULL; 2328 return home_replace_save(helptail ? buf : NULL, 2329 fullname ? buf->b_ffname : buf->b_fname); 2330 } 2331 2332 /* 2333 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2334 * When "copy_options" is TRUE save the local window option values. 2335 * When "lnum" is 0 only do the options. 2336 */ 2337 static void 2338 buflist_setfpos(buf, win, lnum, col, copy_options) 2339 buf_T *buf; 2340 win_T *win; 2341 linenr_T lnum; 2342 colnr_T col; 2343 int copy_options; 2344 { 2345 wininfo_T *wip; 2346 2347 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2348 if (wip->wi_win == win) 2349 break; 2350 if (wip == NULL) 2351 { 2352 /* allocate a new entry */ 2353 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2354 if (wip == NULL) 2355 return; 2356 wip->wi_win = win; 2357 if (lnum == 0) /* set lnum even when it's 0 */ 2358 lnum = 1; 2359 } 2360 else 2361 { 2362 /* remove the entry from the list */ 2363 if (wip->wi_prev) 2364 wip->wi_prev->wi_next = wip->wi_next; 2365 else 2366 buf->b_wininfo = wip->wi_next; 2367 if (wip->wi_next) 2368 wip->wi_next->wi_prev = wip->wi_prev; 2369 if (copy_options && wip->wi_optset) 2370 { 2371 clear_winopt(&wip->wi_opt); 2372 #ifdef FEAT_FOLDING 2373 deleteFoldRecurse(&wip->wi_folds); 2374 #endif 2375 } 2376 } 2377 if (lnum != 0) 2378 { 2379 wip->wi_fpos.lnum = lnum; 2380 wip->wi_fpos.col = col; 2381 } 2382 if (copy_options) 2383 { 2384 /* Save the window-specific option values. */ 2385 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2386 #ifdef FEAT_FOLDING 2387 wip->wi_fold_manual = win->w_fold_manual; 2388 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2389 #endif 2390 wip->wi_optset = TRUE; 2391 } 2392 2393 /* insert the entry in front of the list */ 2394 wip->wi_next = buf->b_wininfo; 2395 buf->b_wininfo = wip; 2396 wip->wi_prev = NULL; 2397 if (wip->wi_next) 2398 wip->wi_next->wi_prev = wip; 2399 2400 return; 2401 } 2402 2403 /* 2404 * Find info for the current window in buffer "buf". 2405 * If not found, return the info for the most recently used window. 2406 * Returns NULL when there isn't any info. 2407 */ 2408 static wininfo_T * 2409 find_wininfo(buf) 2410 buf_T *buf; 2411 { 2412 wininfo_T *wip; 2413 2414 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2415 if (wip->wi_win == curwin) 2416 break; 2417 if (wip == NULL) /* if no fpos for curwin, use the first in the list */ 2418 wip = buf->b_wininfo; 2419 return wip; 2420 } 2421 2422 /* 2423 * Reset the local window options to the values last used in this window. 2424 * If the buffer wasn't used in this window before, use the values from 2425 * the most recently used window. If the values were never set, use the 2426 * global values for the window. 2427 */ 2428 void 2429 get_winopts(buf) 2430 buf_T *buf; 2431 { 2432 wininfo_T *wip; 2433 2434 clear_winopt(&curwin->w_onebuf_opt); 2435 #ifdef FEAT_FOLDING 2436 clearFolding(curwin); 2437 #endif 2438 2439 wip = find_wininfo(buf); 2440 if (wip != NULL && wip->wi_optset) 2441 { 2442 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2443 #ifdef FEAT_FOLDING 2444 curwin->w_fold_manual = wip->wi_fold_manual; 2445 curwin->w_foldinvalid = TRUE; 2446 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2447 #endif 2448 } 2449 else 2450 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2451 2452 #ifdef FEAT_FOLDING 2453 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2454 if (p_fdls >= 0) 2455 curwin->w_p_fdl = p_fdls; 2456 #endif 2457 } 2458 2459 /* 2460 * Find the position (lnum and col) for the buffer 'buf' for the current 2461 * window. 2462 * Returns a pointer to no_position if no position is found. 2463 */ 2464 pos_T * 2465 buflist_findfpos(buf) 2466 buf_T *buf; 2467 { 2468 wininfo_T *wip; 2469 static pos_T no_position = {1, 0}; 2470 2471 wip = find_wininfo(buf); 2472 if (wip != NULL) 2473 return &(wip->wi_fpos); 2474 else 2475 return &no_position; 2476 } 2477 2478 /* 2479 * Find the lnum for the buffer 'buf' for the current window. 2480 */ 2481 linenr_T 2482 buflist_findlnum(buf) 2483 buf_T *buf; 2484 { 2485 return buflist_findfpos(buf)->lnum; 2486 } 2487 2488 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2489 /* 2490 * List all know file names (for :files and :buffers command). 2491 */ 2492 /*ARGSUSED*/ 2493 void 2494 buflist_list(eap) 2495 exarg_T *eap; 2496 { 2497 buf_T *buf; 2498 int len; 2499 int i; 2500 2501 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2502 { 2503 /* skip unlisted buffers, unless ! was used */ 2504 if (!buf->b_p_bl && !eap->forceit) 2505 continue; 2506 msg_putchar('\n'); 2507 if (buf_spname(buf) != NULL) 2508 STRCPY(NameBuff, buf_spname(buf)); 2509 else 2510 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2511 2512 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 2513 buf->b_fnum, 2514 buf->b_p_bl ? ' ' : 'u', 2515 buf == curbuf ? '%' : 2516 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2517 buf->b_ml.ml_mfp == NULL ? ' ' : 2518 (buf->b_nwindows == 0 ? 'h' : 'a'), 2519 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2520 (buf->b_flags & BF_READERR) ? 'x' 2521 : (bufIsChanged(buf) ? '+' : ' '), 2522 NameBuff); 2523 2524 /* put "line 999" in column 40 or after the file name */ 2525 i = 40 - vim_strsize(IObuff); 2526 do 2527 { 2528 IObuff[len++] = ' '; 2529 } while (--i > 0 && len < IOSIZE - 18); 2530 vim_snprintf((char *)IObuff + len, IOSIZE - len, _("line %ld"), 2531 buf == curbuf ? curwin->w_cursor.lnum 2532 : (long)buflist_findlnum(buf)); 2533 msg_outtrans(IObuff); 2534 out_flush(); /* output one line at a time */ 2535 ui_breakcheck(); 2536 } 2537 } 2538 #endif 2539 2540 /* 2541 * Get file name and line number for file 'fnum'. 2542 * Used by DoOneCmd() for translating '%' and '#'. 2543 * Used by insert_reg() and cmdline_paste() for '#' register. 2544 * Return FAIL if not found, OK for success. 2545 */ 2546 int 2547 buflist_name_nr(fnum, fname, lnum) 2548 int fnum; 2549 char_u **fname; 2550 linenr_T *lnum; 2551 { 2552 buf_T *buf; 2553 2554 buf = buflist_findnr(fnum); 2555 if (buf == NULL || buf->b_fname == NULL) 2556 return FAIL; 2557 2558 *fname = buf->b_fname; 2559 *lnum = buflist_findlnum(buf); 2560 2561 return OK; 2562 } 2563 2564 /* 2565 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2566 * The file name with the full path is also remembered, for when :cd is used. 2567 * Returns FAIL for failure (file name already in use by other buffer) 2568 * OK otherwise. 2569 */ 2570 int 2571 setfname(buf, ffname, sfname, message) 2572 buf_T *buf; 2573 char_u *ffname, *sfname; 2574 int message; /* give message when buffer already exists */ 2575 { 2576 buf_T *obuf = NULL; 2577 #ifdef UNIX 2578 struct stat st; 2579 #endif 2580 2581 if (ffname == NULL || *ffname == NUL) 2582 { 2583 /* Removing the name. */ 2584 vim_free(buf->b_ffname); 2585 vim_free(buf->b_sfname); 2586 buf->b_ffname = NULL; 2587 buf->b_sfname = NULL; 2588 #ifdef UNIX 2589 st.st_dev = (dev_T)-1; 2590 #endif 2591 } 2592 else 2593 { 2594 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2595 if (ffname == NULL) /* out of memory */ 2596 return FAIL; 2597 2598 /* 2599 * if the file name is already used in another buffer: 2600 * - if the buffer is loaded, fail 2601 * - if the buffer is not loaded, delete it from the list 2602 */ 2603 #ifdef UNIX 2604 if (mch_stat((char *)ffname, &st) < 0) 2605 st.st_dev = (dev_T)-1; 2606 #endif 2607 if (!(buf->b_flags & BF_DUMMY)) 2608 #ifdef UNIX 2609 obuf = buflist_findname_stat(ffname, &st); 2610 #else 2611 obuf = buflist_findname(ffname); 2612 #endif 2613 if (obuf != NULL && obuf != buf) 2614 { 2615 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2616 { 2617 if (message) 2618 EMSG(_("E95: Buffer with this name already exists")); 2619 vim_free(ffname); 2620 return FAIL; 2621 } 2622 close_buffer(NULL, obuf, DOBUF_WIPE); /* delete from the list */ 2623 } 2624 sfname = vim_strsave(sfname); 2625 if (ffname == NULL || sfname == NULL) 2626 { 2627 vim_free(sfname); 2628 vim_free(ffname); 2629 return FAIL; 2630 } 2631 #ifdef USE_FNAME_CASE 2632 # ifdef USE_LONG_FNAME 2633 if (USE_LONG_FNAME) 2634 # endif 2635 fname_case(sfname, 0); /* set correct case for short file name */ 2636 #endif 2637 vim_free(buf->b_ffname); 2638 vim_free(buf->b_sfname); 2639 buf->b_ffname = ffname; 2640 buf->b_sfname = sfname; 2641 } 2642 buf->b_fname = buf->b_sfname; 2643 #ifdef UNIX 2644 if (st.st_dev == (dev_T)-1) 2645 buf->b_dev = -1; 2646 else 2647 { 2648 buf->b_dev = st.st_dev; 2649 buf->b_ino = st.st_ino; 2650 } 2651 #endif 2652 2653 #ifndef SHORT_FNAME 2654 buf->b_shortname = FALSE; 2655 #endif 2656 2657 buf_name_changed(buf); 2658 return OK; 2659 } 2660 2661 /* 2662 * Crude way of changing the name of a buffer. Use with care! 2663 * The name should be relative to the current directory. 2664 */ 2665 void 2666 buf_set_name(fnum, name) 2667 int fnum; 2668 char_u *name; 2669 { 2670 buf_T *buf; 2671 2672 buf = buflist_findnr(fnum); 2673 if (buf != NULL) 2674 { 2675 vim_free(buf->b_sfname); 2676 vim_free(buf->b_ffname); 2677 buf->b_ffname = vim_strsave(name); 2678 buf->b_sfname = NULL; 2679 /* Allocate ffname and expand into full path. Also resolves .lnk 2680 * files on Win32. */ 2681 fname_expand(buf, &buf->b_ffname, &buf->b_sfname); 2682 buf->b_fname = buf->b_sfname; 2683 } 2684 } 2685 2686 /* 2687 * Take care of what needs to be done when the name of buffer "buf" has 2688 * changed. 2689 */ 2690 void 2691 buf_name_changed(buf) 2692 buf_T *buf; 2693 { 2694 /* 2695 * If the file name changed, also change the name of the swapfile 2696 */ 2697 if (buf->b_ml.ml_mfp != NULL) 2698 ml_setname(buf); 2699 2700 if (curwin->w_buffer == buf) 2701 check_arg_idx(curwin); /* check file name for arg list */ 2702 #ifdef FEAT_TITLE 2703 maketitle(); /* set window title */ 2704 #endif 2705 #ifdef FEAT_WINDOWS 2706 status_redraw_all(); /* status lines need to be redrawn */ 2707 #endif 2708 fmarks_check_names(buf); /* check named file marks */ 2709 ml_timestamp(buf); /* reset timestamp */ 2710 } 2711 2712 /* 2713 * set alternate file name for current window 2714 * 2715 * Used by do_one_cmd(), do_write() and do_ecmd(). 2716 * Return the buffer. 2717 */ 2718 buf_T * 2719 setaltfname(ffname, sfname, lnum) 2720 char_u *ffname; 2721 char_u *sfname; 2722 linenr_T lnum; 2723 { 2724 buf_T *buf; 2725 2726 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2727 buf = buflist_new(ffname, sfname, lnum, 0); 2728 if (buf != NULL && !cmdmod.keepalt) 2729 curwin->w_alt_fnum = buf->b_fnum; 2730 return buf; 2731 } 2732 2733 /* 2734 * Get alternate file name for current window. 2735 * Return NULL if there isn't any, and give error message if requested. 2736 */ 2737 char_u * 2738 getaltfname(errmsg) 2739 int errmsg; /* give error message */ 2740 { 2741 char_u *fname; 2742 linenr_T dummy; 2743 2744 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 2745 { 2746 if (errmsg) 2747 EMSG(_(e_noalt)); 2748 return NULL; 2749 } 2750 return fname; 2751 } 2752 2753 /* 2754 * Add a file name to the buflist and return its number. 2755 * Uses same flags as buflist_new(), except BLN_DUMMY. 2756 * 2757 * used by qf_init(), main() and doarglist() 2758 */ 2759 int 2760 buflist_add(fname, flags) 2761 char_u *fname; 2762 int flags; 2763 { 2764 buf_T *buf; 2765 2766 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 2767 if (buf != NULL) 2768 return buf->b_fnum; 2769 return 0; 2770 } 2771 2772 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 2773 /* 2774 * Adjust slashes in file names. Called after 'shellslash' was set. 2775 */ 2776 void 2777 buflist_slash_adjust() 2778 { 2779 buf_T *bp; 2780 2781 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 2782 { 2783 if (bp->b_ffname != NULL) 2784 slash_adjust(bp->b_ffname); 2785 if (bp->b_sfname != NULL) 2786 slash_adjust(bp->b_sfname); 2787 } 2788 } 2789 #endif 2790 2791 /* 2792 * Set alternate cursor position for current window. 2793 * Also save the local window option values. 2794 */ 2795 void 2796 buflist_altfpos() 2797 { 2798 buflist_setfpos(curbuf, curwin, curwin->w_cursor.lnum, 2799 curwin->w_cursor.col, TRUE); 2800 } 2801 2802 /* 2803 * Return TRUE if 'ffname' is not the same file as current file. 2804 * Fname must have a full path (expanded by mch_FullName()). 2805 */ 2806 int 2807 otherfile(ffname) 2808 char_u *ffname; 2809 { 2810 return otherfile_buf(curbuf, ffname 2811 #ifdef UNIX 2812 , NULL 2813 #endif 2814 ); 2815 } 2816 2817 static int 2818 otherfile_buf(buf, ffname 2819 #ifdef UNIX 2820 , stp 2821 #endif 2822 ) 2823 buf_T *buf; 2824 char_u *ffname; 2825 #ifdef UNIX 2826 struct stat *stp; 2827 #endif 2828 { 2829 /* no name is different */ 2830 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 2831 return TRUE; 2832 if (fnamecmp(ffname, buf->b_ffname) == 0) 2833 return FALSE; 2834 #ifdef UNIX 2835 { 2836 struct stat st; 2837 2838 /* If no struct stat given, get it now */ 2839 if (stp == NULL) 2840 { 2841 if (buf->b_dev < 0 || mch_stat((char *)ffname, &st) < 0) 2842 st.st_dev = (dev_T)-1; 2843 stp = &st; 2844 } 2845 /* Use dev/ino to check if the files are the same, even when the names 2846 * are different (possible with links). Still need to compare the 2847 * name above, for when the file doesn't exist yet. 2848 * Problem: The dev/ino changes when a file is deleted (and created 2849 * again) and remains the same when renamed/moved. We don't want to 2850 * mch_stat() each buffer each time, that would be too slow. Get the 2851 * dev/ino again when they appear to match, but not when they appear 2852 * to be different: Could skip a buffer when it's actually the same 2853 * file. */ 2854 if (buf_same_ino(buf, stp)) 2855 { 2856 buf_setino(buf); 2857 if (buf_same_ino(buf, stp)) 2858 return FALSE; 2859 } 2860 } 2861 #endif 2862 return TRUE; 2863 } 2864 2865 #if defined(UNIX) || defined(PROTO) 2866 /* 2867 * Set inode and device number for a buffer. 2868 * Must always be called when b_fname is changed!. 2869 */ 2870 void 2871 buf_setino(buf) 2872 buf_T *buf; 2873 { 2874 struct stat st; 2875 2876 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 2877 { 2878 buf->b_dev = st.st_dev; 2879 buf->b_ino = st.st_ino; 2880 } 2881 else 2882 buf->b_dev = -1; 2883 } 2884 2885 /* 2886 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 2887 */ 2888 static int 2889 buf_same_ino(buf, stp) 2890 buf_T *buf; 2891 struct stat *stp; 2892 { 2893 return (buf->b_dev >= 0 2894 && stp->st_dev == buf->b_dev 2895 && stp->st_ino == buf->b_ino); 2896 } 2897 #endif 2898 2899 /* 2900 * Print info about the current buffer. 2901 */ 2902 void 2903 fileinfo(fullname, shorthelp, dont_truncate) 2904 int fullname; /* when non-zero print full path */ 2905 int shorthelp; 2906 int dont_truncate; 2907 { 2908 char_u *name; 2909 int n; 2910 char_u *p; 2911 char_u *buffer; 2912 size_t len; 2913 2914 buffer = alloc(IOSIZE); 2915 if (buffer == NULL) 2916 return; 2917 2918 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 2919 { 2920 sprintf((char *)buffer, "buf %d: ", curbuf->b_fnum); 2921 p = buffer + STRLEN(buffer); 2922 } 2923 else 2924 p = buffer; 2925 2926 *p++ = '"'; 2927 if (buf_spname(curbuf) != NULL) 2928 STRCPY(p, buf_spname(curbuf)); 2929 else 2930 { 2931 if (!fullname && curbuf->b_fname != NULL) 2932 name = curbuf->b_fname; 2933 else 2934 name = curbuf->b_ffname; 2935 home_replace(shorthelp ? curbuf : NULL, name, p, 2936 (int)(IOSIZE - (p - buffer)), TRUE); 2937 } 2938 2939 len = STRLEN(buffer); 2940 vim_snprintf((char *)buffer + len, IOSIZE - len, 2941 "\"%s%s%s%s%s%s", 2942 curbufIsChanged() ? (shortmess(SHM_MOD) 2943 ? " [+]" : _(" [Modified]")) : " ", 2944 (curbuf->b_flags & BF_NOTEDITED) 2945 #ifdef FEAT_QUICKFIX 2946 && !bt_dontwrite(curbuf) 2947 #endif 2948 ? _("[Not edited]") : "", 2949 (curbuf->b_flags & BF_NEW) 2950 #ifdef FEAT_QUICKFIX 2951 && !bt_dontwrite(curbuf) 2952 #endif 2953 ? _("[New file]") : "", 2954 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 2955 curbuf->b_p_ro ? (shortmess(SHM_RO) ? "[RO]" 2956 : _("[readonly]")) : "", 2957 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 2958 || curbuf->b_p_ro) ? 2959 " " : ""); 2960 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 2961 * causes an overflow, thus for large numbers divide instead. */ 2962 if (curwin->w_cursor.lnum > 1000000L) 2963 n = (int)(((long)curwin->w_cursor.lnum) / 2964 ((long)curbuf->b_ml.ml_line_count / 100L)); 2965 else 2966 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 2967 (long)curbuf->b_ml.ml_line_count); 2968 len = STRLEN(buffer); 2969 if (curbuf->b_ml.ml_flags & ML_EMPTY) 2970 { 2971 vim_snprintf((char *)buffer + len, IOSIZE - len, "%s", _(no_lines_msg)); 2972 } 2973 #ifdef FEAT_CMDL_INFO 2974 else if (p_ru) 2975 { 2976 /* Current line and column are already on the screen -- webb */ 2977 if (curbuf->b_ml.ml_line_count == 1) 2978 vim_snprintf((char *)buffer + len, IOSIZE - len, 2979 _("1 line --%d%%--"), n); 2980 else 2981 vim_snprintf((char *)buffer + len, IOSIZE - len, 2982 _("%ld lines --%d%%--"), 2983 (long)curbuf->b_ml.ml_line_count, n); 2984 } 2985 #endif 2986 else 2987 { 2988 vim_snprintf((char *)buffer + len, IOSIZE - len, 2989 _("line %ld of %ld --%d%%-- col "), 2990 (long)curwin->w_cursor.lnum, 2991 (long)curbuf->b_ml.ml_line_count, 2992 n); 2993 validate_virtcol(); 2994 col_print(buffer + STRLEN(buffer), 2995 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 2996 } 2997 2998 (void)append_arg_number(curwin, buffer, !shortmess(SHM_FILE), IOSIZE); 2999 3000 if (dont_truncate) 3001 { 3002 /* Temporarily set msg_scroll to avoid the message being truncated. 3003 * First call msg_start() to get the message in the right place. */ 3004 msg_start(); 3005 n = msg_scroll; 3006 msg_scroll = TRUE; 3007 msg(buffer); 3008 msg_scroll = n; 3009 } 3010 else 3011 { 3012 p = msg_trunc_attr(buffer, FALSE, 0); 3013 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 3014 /* Need to repeat the message after redrawing when: 3015 * - When restart_edit is set (otherwise there will be a delay 3016 * before redrawing). 3017 * - When the screen was scrolled but there is no wait-return 3018 * prompt. */ 3019 set_keep_msg(p, 0); 3020 } 3021 3022 vim_free(buffer); 3023 } 3024 3025 void 3026 col_print(buf, col, vcol) 3027 char_u *buf; 3028 int col; 3029 int vcol; 3030 { 3031 if (col == vcol) 3032 sprintf((char *)buf, "%d", col); 3033 else 3034 sprintf((char *)buf, "%d-%d", col, vcol); 3035 } 3036 3037 #if defined(FEAT_TITLE) || defined(PROTO) 3038 /* 3039 * put file name in title bar of window and in icon title 3040 */ 3041 3042 static char_u *lasttitle = NULL; 3043 static char_u *lasticon = NULL; 3044 3045 void 3046 maketitle() 3047 { 3048 char_u *p; 3049 char_u *t_str = NULL; 3050 char_u *i_name; 3051 char_u *i_str = NULL; 3052 int maxlen = 0; 3053 int len; 3054 int mustset; 3055 char_u buf[IOSIZE]; 3056 int off; 3057 3058 if (!redrawing()) 3059 { 3060 /* Postpone updating the title when 'lazyredraw' is set. */ 3061 need_maketitle = TRUE; 3062 return; 3063 } 3064 3065 need_maketitle = FALSE; 3066 if (!p_title && !p_icon) 3067 return; 3068 3069 if (p_title) 3070 { 3071 if (p_titlelen > 0) 3072 { 3073 maxlen = p_titlelen * Columns / 100; 3074 if (maxlen < 10) 3075 maxlen = 10; 3076 } 3077 3078 t_str = buf; 3079 if (*p_titlestring != NUL) 3080 { 3081 #ifdef FEAT_STL_OPT 3082 if (stl_syntax & STL_IN_TITLE) 3083 { 3084 int use_sandbox = FALSE; 3085 int save_called_emsg = called_emsg; 3086 3087 # ifdef FEAT_EVAL 3088 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3089 # endif 3090 called_emsg = FALSE; 3091 build_stl_str_hl(curwin, t_str, sizeof(buf), 3092 p_titlestring, use_sandbox, 3093 0, maxlen, NULL, NULL); 3094 if (called_emsg) 3095 set_string_option_direct((char_u *)"titlestring", -1, 3096 (char_u *)"", OPT_FREE, SID_ERROR); 3097 called_emsg |= save_called_emsg; 3098 } 3099 else 3100 #endif 3101 t_str = p_titlestring; 3102 } 3103 else 3104 { 3105 /* format: "fname + (path) (1 of 2) - VIM" */ 3106 3107 if (curbuf->b_fname == NULL) 3108 STRCPY(buf, _("[No Name]")); 3109 else 3110 { 3111 p = transstr(gettail(curbuf->b_fname)); 3112 vim_strncpy(buf, p, IOSIZE - 100); 3113 vim_free(p); 3114 } 3115 3116 switch (bufIsChanged(curbuf) 3117 + (curbuf->b_p_ro * 2) 3118 + (!curbuf->b_p_ma * 4)) 3119 { 3120 case 1: STRCAT(buf, " +"); break; 3121 case 2: STRCAT(buf, " ="); break; 3122 case 3: STRCAT(buf, " =+"); break; 3123 case 4: 3124 case 6: STRCAT(buf, " -"); break; 3125 case 5: 3126 case 7: STRCAT(buf, " -+"); break; 3127 } 3128 3129 if (curbuf->b_fname != NULL) 3130 { 3131 /* Get path of file, replace home dir with ~ */ 3132 off = (int)STRLEN(buf); 3133 buf[off++] = ' '; 3134 buf[off++] = '('; 3135 home_replace(curbuf, curbuf->b_ffname, 3136 buf + off, IOSIZE - off, TRUE); 3137 #ifdef BACKSLASH_IN_FILENAME 3138 /* avoid "c:/name" to be reduced to "c" */ 3139 if (isalpha(buf[off]) && buf[off + 1] == ':') 3140 off += 2; 3141 #endif 3142 /* remove the file name */ 3143 p = gettail_sep(buf + off); 3144 if (p == buf + off) 3145 /* must be a help buffer */ 3146 vim_strncpy(buf + off, (char_u *)_("help"), 3147 IOSIZE - off - 1); 3148 else 3149 *p = NUL; 3150 3151 /* translate unprintable chars */ 3152 p = transstr(buf + off); 3153 vim_strncpy(buf + off, p, IOSIZE - off - 1); 3154 vim_free(p); 3155 STRCAT(buf, ")"); 3156 } 3157 3158 append_arg_number(curwin, buf, FALSE, IOSIZE); 3159 3160 #if defined(FEAT_CLIENTSERVER) 3161 if (serverName != NULL) 3162 { 3163 STRCAT(buf, " - "); 3164 STRCAT(buf, serverName); 3165 } 3166 else 3167 #endif 3168 STRCAT(buf, " - VIM"); 3169 3170 if (maxlen > 0) 3171 { 3172 /* make it shorter by removing a bit in the middle */ 3173 len = vim_strsize(buf); 3174 if (len > maxlen) 3175 trunc_string(buf, buf, maxlen); 3176 } 3177 } 3178 } 3179 mustset = ti_change(t_str, &lasttitle); 3180 3181 if (p_icon) 3182 { 3183 i_str = buf; 3184 if (*p_iconstring != NUL) 3185 { 3186 #ifdef FEAT_STL_OPT 3187 if (stl_syntax & STL_IN_ICON) 3188 { 3189 int use_sandbox = FALSE; 3190 int save_called_emsg = called_emsg; 3191 3192 # ifdef FEAT_EVAL 3193 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3194 # endif 3195 called_emsg = FALSE; 3196 build_stl_str_hl(curwin, i_str, sizeof(buf), 3197 p_iconstring, use_sandbox, 3198 0, 0, NULL, NULL); 3199 if (called_emsg) 3200 set_string_option_direct((char_u *)"iconstring", -1, 3201 (char_u *)"", OPT_FREE, SID_ERROR); 3202 called_emsg |= save_called_emsg; 3203 } 3204 else 3205 #endif 3206 i_str = p_iconstring; 3207 } 3208 else 3209 { 3210 if (buf_spname(curbuf) != NULL) 3211 i_name = (char_u *)buf_spname(curbuf); 3212 else /* use file name only in icon */ 3213 i_name = gettail(curbuf->b_ffname); 3214 *i_str = NUL; 3215 /* Truncate name at 100 bytes. */ 3216 len = (int)STRLEN(i_name); 3217 if (len > 100) 3218 { 3219 len -= 100; 3220 #ifdef FEAT_MBYTE 3221 if (has_mbyte) 3222 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3223 #endif 3224 i_name += len; 3225 } 3226 STRCPY(i_str, i_name); 3227 trans_characters(i_str, IOSIZE); 3228 } 3229 } 3230 3231 mustset |= ti_change(i_str, &lasticon); 3232 3233 if (mustset) 3234 resettitle(); 3235 } 3236 3237 /* 3238 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3239 * from "str" if it does. 3240 * Return TRUE when "*last" changed. 3241 */ 3242 static int 3243 ti_change(str, last) 3244 char_u *str; 3245 char_u **last; 3246 { 3247 if ((str == NULL) != (*last == NULL) 3248 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3249 { 3250 vim_free(*last); 3251 if (str == NULL) 3252 *last = NULL; 3253 else 3254 *last = vim_strsave(str); 3255 return TRUE; 3256 } 3257 return FALSE; 3258 } 3259 3260 /* 3261 * Put current window title back (used after calling a shell) 3262 */ 3263 void 3264 resettitle() 3265 { 3266 mch_settitle(lasttitle, lasticon); 3267 } 3268 3269 # if defined(EXITFREE) || defined(PROTO) 3270 void 3271 free_titles() 3272 { 3273 vim_free(lasttitle); 3274 vim_free(lasticon); 3275 } 3276 # endif 3277 3278 #endif /* FEAT_TITLE */ 3279 3280 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3281 /* 3282 * Build a string from the status line items in "fmt". 3283 * Return length of string in screen cells. 3284 * 3285 * Normally works for window "wp", except when working for 'tabline' then it 3286 * is "curwin". 3287 * 3288 * Items are drawn interspersed with the text that surrounds it 3289 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3290 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3291 * 3292 * If maxwidth is not zero, the string will be filled at any middle marker 3293 * or truncated if too long, fillchar is used for all whitespace. 3294 */ 3295 /*ARGSUSED*/ 3296 int 3297 build_stl_str_hl(wp, out, outlen, fmt, use_sandbox, fillchar, maxwidth, hltab, tabtab) 3298 win_T *wp; 3299 char_u *out; /* buffer to write into != NameBuff */ 3300 size_t outlen; /* length of out[] */ 3301 char_u *fmt; 3302 int use_sandbox; /* "fmt" was set insecurely, use sandbox */ 3303 int fillchar; 3304 int maxwidth; 3305 struct stl_hlrec *hltab; /* return: HL attributes (can be NULL) */ 3306 struct stl_hlrec *tabtab; /* return: tab page nrs (can be NULL) */ 3307 { 3308 char_u *p; 3309 char_u *s; 3310 char_u *t; 3311 char_u *linecont; 3312 #ifdef FEAT_EVAL 3313 win_T *o_curwin; 3314 buf_T *o_curbuf; 3315 #endif 3316 int empty_line; 3317 colnr_T virtcol; 3318 long l; 3319 long n; 3320 int prevchar_isflag; 3321 int prevchar_isitem; 3322 int itemisflag; 3323 int fillable; 3324 char_u *str; 3325 long num; 3326 int width; 3327 int itemcnt; 3328 int curitem; 3329 int groupitem[STL_MAX_ITEM]; 3330 int groupdepth; 3331 struct stl_item 3332 { 3333 char_u *start; 3334 int minwid; 3335 int maxwid; 3336 enum 3337 { 3338 Normal, 3339 Empty, 3340 Group, 3341 Middle, 3342 Highlight, 3343 TabPage, 3344 Trunc 3345 } type; 3346 } item[STL_MAX_ITEM]; 3347 int minwid; 3348 int maxwid; 3349 int zeropad; 3350 char_u base; 3351 char_u opt; 3352 #define TMPLEN 70 3353 char_u tmp[TMPLEN]; 3354 char_u *usefmt = fmt; 3355 struct stl_hlrec *sp; 3356 3357 #ifdef FEAT_EVAL 3358 /* 3359 * When the format starts with "%!" then evaluate it as an expression and 3360 * use the result as the actual format string. 3361 */ 3362 if (fmt[0] == '%' && fmt[1] == '!') 3363 { 3364 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3365 if (usefmt == NULL) 3366 usefmt = fmt; 3367 } 3368 #endif 3369 3370 if (fillchar == 0) 3371 fillchar = ' '; 3372 #ifdef FEAT_MBYTE 3373 /* Can't handle a multi-byte fill character yet. */ 3374 else if (mb_char2len(fillchar) > 1) 3375 fillchar = '-'; 3376 #endif 3377 3378 /* 3379 * Get line & check if empty (cursorpos will show "0-1"). 3380 * If inversion is possible we use it. Else '=' characters are used. 3381 */ 3382 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3383 empty_line = (*linecont == NUL); 3384 3385 groupdepth = 0; 3386 p = out; 3387 curitem = 0; 3388 prevchar_isflag = TRUE; 3389 prevchar_isitem = FALSE; 3390 for (s = usefmt; *s; ) 3391 { 3392 if (*s != NUL && *s != '%') 3393 prevchar_isflag = prevchar_isitem = FALSE; 3394 3395 /* 3396 * Handle up to the next '%' or the end. 3397 */ 3398 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3399 *p++ = *s++; 3400 if (*s == NUL || p + 1 >= out + outlen) 3401 break; 3402 3403 /* 3404 * Handle one '%' item. 3405 */ 3406 s++; 3407 if (*s == '%') 3408 { 3409 if (p + 1 >= out + outlen) 3410 break; 3411 *p++ = *s++; 3412 prevchar_isflag = prevchar_isitem = FALSE; 3413 continue; 3414 } 3415 if (*s == STL_MIDDLEMARK) 3416 { 3417 s++; 3418 if (groupdepth > 0) 3419 continue; 3420 item[curitem].type = Middle; 3421 item[curitem++].start = p; 3422 continue; 3423 } 3424 if (*s == STL_TRUNCMARK) 3425 { 3426 s++; 3427 item[curitem].type = Trunc; 3428 item[curitem++].start = p; 3429 continue; 3430 } 3431 if (*s == ')') 3432 { 3433 s++; 3434 if (groupdepth < 1) 3435 continue; 3436 groupdepth--; 3437 3438 t = item[groupitem[groupdepth]].start; 3439 *p = NUL; 3440 l = vim_strsize(t); 3441 if (curitem > groupitem[groupdepth] + 1 3442 && item[groupitem[groupdepth]].minwid == 0) 3443 { 3444 /* remove group if all items are empty */ 3445 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3446 if (item[n].type == Normal) 3447 break; 3448 if (n == curitem) 3449 { 3450 p = t; 3451 l = 0; 3452 } 3453 } 3454 if (l > item[groupitem[groupdepth]].maxwid) 3455 { 3456 /* truncate, remove n bytes of text at the start */ 3457 #ifdef FEAT_MBYTE 3458 if (has_mbyte) 3459 { 3460 /* Find the first character that should be included. */ 3461 n = 0; 3462 while (l >= item[groupitem[groupdepth]].maxwid) 3463 { 3464 l -= ptr2cells(t + n); 3465 n += (*mb_ptr2len)(t + n); 3466 } 3467 } 3468 else 3469 #endif 3470 n = (long)(p - t) - item[groupitem[groupdepth]].maxwid + 1; 3471 3472 *t = '<'; 3473 mch_memmove(t + 1, t + n, p - (t + n)); 3474 p = p - n + 1; 3475 #ifdef FEAT_MBYTE 3476 /* Fill up space left over by half a double-wide char. */ 3477 while (++l < item[groupitem[groupdepth]].minwid) 3478 *p++ = fillchar; 3479 #endif 3480 3481 /* correct the start of the items for the truncation */ 3482 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3483 { 3484 item[l].start -= n; 3485 if (item[l].start < t) 3486 item[l].start = t; 3487 } 3488 } 3489 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3490 { 3491 /* fill */ 3492 n = item[groupitem[groupdepth]].minwid; 3493 if (n < 0) 3494 { 3495 /* fill by appending characters */ 3496 n = 0 - n; 3497 while (l++ < n && p + 1 < out + outlen) 3498 *p++ = fillchar; 3499 } 3500 else 3501 { 3502 /* fill by inserting characters */ 3503 mch_memmove(t + n - l, t, p - t); 3504 l = n - l; 3505 if (p + l >= out + outlen) 3506 l = (long)((out + outlen) - p - 1); 3507 p += l; 3508 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3509 item[n].start += l; 3510 for ( ; l > 0; l--) 3511 *t++ = fillchar; 3512 } 3513 } 3514 continue; 3515 } 3516 minwid = 0; 3517 maxwid = 9999; 3518 zeropad = FALSE; 3519 l = 1; 3520 if (*s == '0') 3521 { 3522 s++; 3523 zeropad = TRUE; 3524 } 3525 if (*s == '-') 3526 { 3527 s++; 3528 l = -1; 3529 } 3530 if (VIM_ISDIGIT(*s)) 3531 { 3532 minwid = (int)getdigits(&s); 3533 if (minwid < 0) /* overflow */ 3534 minwid = 0; 3535 } 3536 if (*s == STL_USER_HL) 3537 { 3538 item[curitem].type = Highlight; 3539 item[curitem].start = p; 3540 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3541 s++; 3542 curitem++; 3543 continue; 3544 } 3545 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 3546 { 3547 if (*s == STL_TABCLOSENR) 3548 { 3549 if (minwid == 0) 3550 { 3551 /* %X ends the close label, go back to the previously 3552 * define tab label nr. */ 3553 for (n = curitem - 1; n >= 0; --n) 3554 if (item[n].type == TabPage && item[n].minwid >= 0) 3555 { 3556 minwid = item[n].minwid; 3557 break; 3558 } 3559 } 3560 else 3561 /* close nrs are stored as negative values */ 3562 minwid = - minwid; 3563 } 3564 item[curitem].type = TabPage; 3565 item[curitem].start = p; 3566 item[curitem].minwid = minwid; 3567 s++; 3568 curitem++; 3569 continue; 3570 } 3571 if (*s == '.') 3572 { 3573 s++; 3574 if (VIM_ISDIGIT(*s)) 3575 { 3576 maxwid = (int)getdigits(&s); 3577 if (maxwid <= 0) /* overflow */ 3578 maxwid = 50; 3579 } 3580 } 3581 minwid = (minwid > 50 ? 50 : minwid) * l; 3582 if (*s == '(') 3583 { 3584 groupitem[groupdepth++] = curitem; 3585 item[curitem].type = Group; 3586 item[curitem].start = p; 3587 item[curitem].minwid = minwid; 3588 item[curitem].maxwid = maxwid; 3589 s++; 3590 curitem++; 3591 continue; 3592 } 3593 if (vim_strchr(STL_ALL, *s) == NULL) 3594 { 3595 s++; 3596 continue; 3597 } 3598 opt = *s++; 3599 3600 /* OK - now for the real work */ 3601 base = 'D'; 3602 itemisflag = FALSE; 3603 fillable = TRUE; 3604 num = -1; 3605 str = NULL; 3606 switch (opt) 3607 { 3608 case STL_FILEPATH: 3609 case STL_FULLPATH: 3610 case STL_FILENAME: 3611 fillable = FALSE; /* don't change ' ' to fillchar */ 3612 if (buf_spname(wp->w_buffer) != NULL) 3613 STRCPY(NameBuff, buf_spname(wp->w_buffer)); 3614 else 3615 { 3616 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3617 : wp->w_buffer->b_fname; 3618 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3619 } 3620 trans_characters(NameBuff, MAXPATHL); 3621 if (opt != STL_FILENAME) 3622 str = NameBuff; 3623 else 3624 str = gettail(NameBuff); 3625 break; 3626 3627 case STL_VIM_EXPR: /* '{' */ 3628 itemisflag = TRUE; 3629 t = p; 3630 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3631 *p++ = *s++; 3632 if (*s != '}') /* missing '}' or out of space */ 3633 break; 3634 s++; 3635 *p = 0; 3636 p = t; 3637 3638 #ifdef FEAT_EVAL 3639 sprintf((char *)tmp, "%d", curbuf->b_fnum); 3640 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3641 3642 o_curbuf = curbuf; 3643 o_curwin = curwin; 3644 curwin = wp; 3645 curbuf = wp->w_buffer; 3646 3647 str = eval_to_string_safe(p, &t, use_sandbox); 3648 3649 curwin = o_curwin; 3650 curbuf = o_curbuf; 3651 do_unlet((char_u *)"g:actual_curbuf", TRUE); 3652 3653 if (str != NULL && *str != 0) 3654 { 3655 if (*skipdigits(str) == NUL) 3656 { 3657 num = atoi((char *)str); 3658 vim_free(str); 3659 str = NULL; 3660 itemisflag = FALSE; 3661 } 3662 } 3663 #endif 3664 break; 3665 3666 case STL_LINE: 3667 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3668 ? 0L : (long)(wp->w_cursor.lnum); 3669 break; 3670 3671 case STL_NUMLINES: 3672 num = wp->w_buffer->b_ml.ml_line_count; 3673 break; 3674 3675 case STL_COLUMN: 3676 num = !(State & INSERT) && empty_line 3677 ? 0 : (int)wp->w_cursor.col + 1; 3678 break; 3679 3680 case STL_VIRTCOL: 3681 case STL_VIRTCOL_ALT: 3682 /* In list mode virtcol needs to be recomputed */ 3683 virtcol = wp->w_virtcol; 3684 if (wp->w_p_list && lcs_tab1 == NUL) 3685 { 3686 wp->w_p_list = FALSE; 3687 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3688 wp->w_p_list = TRUE; 3689 } 3690 ++virtcol; 3691 /* Don't display %V if it's the same as %c. */ 3692 if (opt == STL_VIRTCOL_ALT 3693 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3694 ? 0 : (int)wp->w_cursor.col + 1))) 3695 break; 3696 num = (long)virtcol; 3697 break; 3698 3699 case STL_PERCENTAGE: 3700 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3701 (long)wp->w_buffer->b_ml.ml_line_count); 3702 break; 3703 3704 case STL_ALTPERCENT: 3705 str = tmp; 3706 get_rel_pos(wp, str); 3707 break; 3708 3709 case STL_ARGLISTSTAT: 3710 fillable = FALSE; 3711 tmp[0] = 0; 3712 if (append_arg_number(wp, tmp, FALSE, (int)sizeof(tmp))) 3713 str = tmp; 3714 break; 3715 3716 case STL_KEYMAP: 3717 fillable = FALSE; 3718 if (get_keymap_str(wp, tmp, TMPLEN)) 3719 str = tmp; 3720 break; 3721 case STL_PAGENUM: 3722 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 3723 num = printer_page_num; 3724 #else 3725 num = 0; 3726 #endif 3727 break; 3728 3729 case STL_BUFNO: 3730 num = wp->w_buffer->b_fnum; 3731 break; 3732 3733 case STL_OFFSET_X: 3734 base = 'X'; 3735 case STL_OFFSET: 3736 #ifdef FEAT_BYTEOFF 3737 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3738 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3739 0L : l + 1 + (!(State & INSERT) && empty_line ? 3740 0 : (int)wp->w_cursor.col); 3741 #endif 3742 break; 3743 3744 case STL_BYTEVAL_X: 3745 base = 'X'; 3746 case STL_BYTEVAL: 3747 if (wp->w_cursor.col > STRLEN(linecont)) 3748 num = 0; 3749 else 3750 { 3751 #ifdef FEAT_MBYTE 3752 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3753 #else 3754 num = linecont[wp->w_cursor.col]; 3755 #endif 3756 } 3757 if (num == NL) 3758 num = 0; 3759 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3760 num = NL; 3761 break; 3762 3763 case STL_ROFLAG: 3764 case STL_ROFLAG_ALT: 3765 itemisflag = TRUE; 3766 if (wp->w_buffer->b_p_ro) 3767 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3768 break; 3769 3770 case STL_HELPFLAG: 3771 case STL_HELPFLAG_ALT: 3772 itemisflag = TRUE; 3773 if (wp->w_buffer->b_help) 3774 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3775 : _("[Help]")); 3776 break; 3777 3778 #ifdef FEAT_AUTOCMD 3779 case STL_FILETYPE: 3780 if (*wp->w_buffer->b_p_ft != NUL 3781 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3782 { 3783 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 3784 wp->w_buffer->b_p_ft); 3785 str = tmp; 3786 } 3787 break; 3788 3789 case STL_FILETYPE_ALT: 3790 itemisflag = TRUE; 3791 if (*wp->w_buffer->b_p_ft != NUL 3792 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3793 { 3794 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 3795 wp->w_buffer->b_p_ft); 3796 for (t = tmp; *t != 0; t++) 3797 *t = TOUPPER_LOC(*t); 3798 str = tmp; 3799 } 3800 break; 3801 #endif 3802 3803 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3804 case STL_PREVIEWFLAG: 3805 case STL_PREVIEWFLAG_ALT: 3806 itemisflag = TRUE; 3807 if (wp->w_p_pvw) 3808 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3809 : _("[Preview]")); 3810 break; 3811 #endif 3812 3813 case STL_MODIFIED: 3814 case STL_MODIFIED_ALT: 3815 itemisflag = TRUE; 3816 switch ((opt == STL_MODIFIED_ALT) 3817 + bufIsChanged(wp->w_buffer) * 2 3818 + (!wp->w_buffer->b_p_ma) * 4) 3819 { 3820 case 2: str = (char_u *)"[+]"; break; 3821 case 3: str = (char_u *)",+"; break; 3822 case 4: str = (char_u *)"[-]"; break; 3823 case 5: str = (char_u *)",-"; break; 3824 case 6: str = (char_u *)"[+-]"; break; 3825 case 7: str = (char_u *)",+-"; break; 3826 } 3827 break; 3828 3829 case STL_HIGHLIGHT: 3830 t = s; 3831 while (*s != '#' && *s != NUL) 3832 ++s; 3833 if (*s == '#') 3834 { 3835 item[curitem].type = Highlight; 3836 item[curitem].start = p; 3837 item[curitem].minwid = -syn_namen2id(t, (int)(s - t)); 3838 curitem++; 3839 } 3840 ++s; 3841 continue; 3842 } 3843 3844 item[curitem].start = p; 3845 item[curitem].type = Normal; 3846 if (str != NULL && *str) 3847 { 3848 t = str; 3849 if (itemisflag) 3850 { 3851 if ((t[0] && t[1]) 3852 && ((!prevchar_isitem && *t == ',') 3853 || (prevchar_isflag && *t == ' '))) 3854 t++; 3855 prevchar_isflag = TRUE; 3856 } 3857 l = vim_strsize(t); 3858 if (l > 0) 3859 prevchar_isitem = TRUE; 3860 if (l > maxwid) 3861 { 3862 while (l >= maxwid) 3863 #ifdef FEAT_MBYTE 3864 if (has_mbyte) 3865 { 3866 l -= ptr2cells(t); 3867 t += (*mb_ptr2len)(t); 3868 } 3869 else 3870 #endif 3871 l -= byte2cells(*t++); 3872 if (p + 1 >= out + outlen) 3873 break; 3874 *p++ = '<'; 3875 } 3876 if (minwid > 0) 3877 { 3878 for (; l < minwid && p + 1 < out + outlen; l++) 3879 { 3880 /* Don't put a "-" in front of a digit. */ 3881 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 3882 *p++ = ' '; 3883 else 3884 *p++ = fillchar; 3885 } 3886 minwid = 0; 3887 } 3888 else 3889 minwid *= -1; 3890 while (*t && p + 1 < out + outlen) 3891 { 3892 *p++ = *t++; 3893 /* Change a space by fillchar, unless fillchar is '-' and a 3894 * digit follows. */ 3895 if (fillable && p[-1] == ' ' 3896 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 3897 p[-1] = fillchar; 3898 } 3899 for (; l < minwid && p + 1 < out + outlen; l++) 3900 *p++ = fillchar; 3901 } 3902 else if (num >= 0) 3903 { 3904 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 3905 char_u nstr[20]; 3906 3907 if (p + 20 >= out + outlen) 3908 break; /* not sufficient space */ 3909 prevchar_isitem = TRUE; 3910 t = nstr; 3911 if (opt == STL_VIRTCOL_ALT) 3912 { 3913 *t++ = '-'; 3914 minwid--; 3915 } 3916 *t++ = '%'; 3917 if (zeropad) 3918 *t++ = '0'; 3919 *t++ = '*'; 3920 *t++ = nbase == 16 ? base : (nbase == 8 ? 'o' : 'd'); 3921 *t = 0; 3922 3923 for (n = num, l = 1; n >= nbase; n /= nbase) 3924 l++; 3925 if (opt == STL_VIRTCOL_ALT) 3926 l++; 3927 if (l > maxwid) 3928 { 3929 l += 2; 3930 n = l - maxwid; 3931 while (l-- > maxwid) 3932 num /= nbase; 3933 *t++ = '>'; 3934 *t++ = '%'; 3935 *t = t[-3]; 3936 *++t = 0; 3937 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 3938 0, num, n); 3939 } 3940 else 3941 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 3942 minwid, num); 3943 p += STRLEN(p); 3944 } 3945 else 3946 item[curitem].type = Empty; 3947 3948 if (opt == STL_VIM_EXPR) 3949 vim_free(str); 3950 3951 if (num >= 0 || (!itemisflag && str && *str)) 3952 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 3953 curitem++; 3954 } 3955 *p = NUL; 3956 itemcnt = curitem; 3957 3958 #ifdef FEAT_EVAL 3959 if (usefmt != fmt) 3960 vim_free(usefmt); 3961 #endif 3962 3963 width = vim_strsize(out); 3964 if (maxwidth > 0 && width > maxwidth) 3965 { 3966 /* Result is too long, must trunctate somewhere. */ 3967 l = 0; 3968 if (itemcnt == 0) 3969 s = out; 3970 else 3971 { 3972 for ( ; l < itemcnt; l++) 3973 if (item[l].type == Trunc) 3974 { 3975 /* Truncate at %< item. */ 3976 s = item[l].start; 3977 break; 3978 } 3979 if (l == itemcnt) 3980 { 3981 /* No %< item, truncate first item. */ 3982 s = item[0].start; 3983 l = 0; 3984 } 3985 } 3986 3987 if (width - vim_strsize(s) >= maxwidth) 3988 { 3989 /* Truncation mark is beyond max length */ 3990 #ifdef FEAT_MBYTE 3991 if (has_mbyte) 3992 { 3993 s = out; 3994 width = 0; 3995 for (;;) 3996 { 3997 width += ptr2cells(s); 3998 if (width >= maxwidth) 3999 break; 4000 s += (*mb_ptr2len)(s); 4001 } 4002 /* Fill up for half a double-wide character. */ 4003 while (++width < maxwidth) 4004 *s++ = fillchar; 4005 } 4006 else 4007 #endif 4008 s = out + maxwidth - 1; 4009 for (l = 0; l < itemcnt; l++) 4010 if (item[l].start > s) 4011 break; 4012 itemcnt = l; 4013 *s++ = '>'; 4014 *s = 0; 4015 } 4016 else 4017 { 4018 #ifdef FEAT_MBYTE 4019 if (has_mbyte) 4020 { 4021 n = 0; 4022 while (width >= maxwidth) 4023 { 4024 width -= ptr2cells(s + n); 4025 n += (*mb_ptr2len)(s + n); 4026 } 4027 } 4028 else 4029 #endif 4030 n = width - maxwidth + 1; 4031 p = s + n; 4032 STRMOVE(s + 1, p); 4033 *s = '<'; 4034 4035 /* Fill up for half a double-wide character. */ 4036 while (++width < maxwidth) 4037 { 4038 s = s + STRLEN(s); 4039 *s++ = fillchar; 4040 *s = NUL; 4041 } 4042 4043 --n; /* count the '<' */ 4044 for (; l < itemcnt; l++) 4045 { 4046 if (item[l].start - n >= s) 4047 item[l].start -= n; 4048 else 4049 item[l].start = s; 4050 } 4051 } 4052 width = maxwidth; 4053 } 4054 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 4055 { 4056 /* Apply STL_MIDDLE if any */ 4057 for (l = 0; l < itemcnt; l++) 4058 if (item[l].type == Middle) 4059 break; 4060 if (l < itemcnt) 4061 { 4062 p = item[l].start + maxwidth - width; 4063 STRMOVE(p, item[l].start); 4064 for (s = item[l].start; s < p; s++) 4065 *s = fillchar; 4066 for (l++; l < itemcnt; l++) 4067 item[l].start += maxwidth - width; 4068 width = maxwidth; 4069 } 4070 } 4071 4072 /* Store the info about highlighting. */ 4073 if (hltab != NULL) 4074 { 4075 sp = hltab; 4076 for (l = 0; l < itemcnt; l++) 4077 { 4078 if (item[l].type == Highlight) 4079 { 4080 sp->start = item[l].start; 4081 sp->userhl = item[l].minwid; 4082 sp++; 4083 } 4084 } 4085 sp->start = NULL; 4086 sp->userhl = 0; 4087 } 4088 4089 /* Store the info about tab pages labels. */ 4090 if (tabtab != NULL) 4091 { 4092 sp = tabtab; 4093 for (l = 0; l < itemcnt; l++) 4094 { 4095 if (item[l].type == TabPage) 4096 { 4097 sp->start = item[l].start; 4098 sp->userhl = item[l].minwid; 4099 sp++; 4100 } 4101 } 4102 sp->start = NULL; 4103 sp->userhl = 0; 4104 } 4105 4106 return width; 4107 } 4108 #endif /* FEAT_STL_OPT */ 4109 4110 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4111 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4112 /* 4113 * Get relative cursor position in window into "str[]", in the form 99%, using 4114 * "Top", "Bot" or "All" when appropriate. 4115 */ 4116 void 4117 get_rel_pos(wp, str) 4118 win_T *wp; 4119 char_u *str; 4120 { 4121 long above; /* number of lines above window */ 4122 long below; /* number of lines below window */ 4123 4124 above = wp->w_topline - 1; 4125 #ifdef FEAT_DIFF 4126 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4127 #endif 4128 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4129 if (below <= 0) 4130 STRCPY(str, above == 0 ? _("All") : _("Bot")); 4131 else if (above <= 0) 4132 STRCPY(str, _("Top")); 4133 else 4134 sprintf((char *)str, "%2d%%", above > 1000000L 4135 ? (int)(above / ((above + below) / 100L)) 4136 : (int)(above * 100L / (above + below))); 4137 } 4138 #endif 4139 4140 /* 4141 * Append (file 2 of 8) to 'buf', if editing more than one file. 4142 * Return TRUE if it was appended. 4143 */ 4144 int 4145 append_arg_number(wp, buf, add_file, maxlen) 4146 win_T *wp; 4147 char_u *buf; 4148 int add_file; /* Add "file" before the arg number */ 4149 int maxlen; /* maximum nr of chars in buf or zero*/ 4150 { 4151 char_u *p; 4152 4153 if (ARGCOUNT <= 1) /* nothing to do */ 4154 return FALSE; 4155 4156 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4157 if (maxlen && p - buf + 35 >= maxlen) /* getting too long */ 4158 return FALSE; 4159 *p++ = ' '; 4160 *p++ = '('; 4161 if (add_file) 4162 { 4163 STRCPY(p, "file "); 4164 p += 5; 4165 } 4166 sprintf((char *)p, wp->w_arg_idx_invalid ? "(%d) of %d)" 4167 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4168 return TRUE; 4169 } 4170 4171 /* 4172 * If fname is not a full path, make it a full path. 4173 * Returns pointer to allocated memory (NULL for failure). 4174 */ 4175 char_u * 4176 fix_fname(fname) 4177 char_u *fname; 4178 { 4179 /* 4180 * Force expanding the path always for Unix, because symbolic links may 4181 * mess up the full path name, even though it starts with a '/'. 4182 * Also expand when there is ".." in the file name, try to remove it, 4183 * because "c:/src/../README" is equal to "c:/README". 4184 * Similarly "c:/src//file" is equal to "c:/src/file". 4185 * For MS-Windows also expand names like "longna~1" to "longname". 4186 */ 4187 #ifdef UNIX 4188 return FullName_save(fname, TRUE); 4189 #else 4190 if (!vim_isAbsName(fname) 4191 || strstr((char *)fname, "..") != NULL 4192 || strstr((char *)fname, "//") != NULL 4193 # ifdef BACKSLASH_IN_FILENAME 4194 || strstr((char *)fname, "\\\\") != NULL 4195 # endif 4196 # if defined(MSWIN) || defined(DJGPP) 4197 || vim_strchr(fname, '~') != NULL 4198 # endif 4199 ) 4200 return FullName_save(fname, FALSE); 4201 4202 fname = vim_strsave(fname); 4203 4204 # ifdef USE_FNAME_CASE 4205 # ifdef USE_LONG_FNAME 4206 if (USE_LONG_FNAME) 4207 # endif 4208 { 4209 if (fname != NULL) 4210 fname_case(fname, 0); /* set correct case for file name */ 4211 } 4212 # endif 4213 4214 return fname; 4215 #endif 4216 } 4217 4218 /* 4219 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4220 * "ffname" becomes a pointer to allocated memory (or NULL). 4221 */ 4222 /*ARGSUSED*/ 4223 void 4224 fname_expand(buf, ffname, sfname) 4225 buf_T *buf; 4226 char_u **ffname; 4227 char_u **sfname; 4228 { 4229 if (*ffname == NULL) /* if no file name given, nothing to do */ 4230 return; 4231 if (*sfname == NULL) /* if no short file name given, use ffname */ 4232 *sfname = *ffname; 4233 *ffname = fix_fname(*ffname); /* expand to full path */ 4234 4235 #ifdef FEAT_SHORTCUT 4236 if (!buf->b_p_bin) 4237 { 4238 char_u *rfname; 4239 4240 /* If the file name is a shortcut file, use the file it links to. */ 4241 rfname = mch_resolve_shortcut(*ffname); 4242 if (rfname != NULL) 4243 { 4244 vim_free(*ffname); 4245 *ffname = rfname; 4246 *sfname = rfname; 4247 } 4248 } 4249 #endif 4250 } 4251 4252 /* 4253 * Get the file name for an argument list entry. 4254 */ 4255 char_u * 4256 alist_name(aep) 4257 aentry_T *aep; 4258 { 4259 buf_T *bp; 4260 4261 /* Use the name from the associated buffer if it exists. */ 4262 bp = buflist_findnr(aep->ae_fnum); 4263 if (bp == NULL || bp->b_fname == NULL) 4264 return aep->ae_fname; 4265 return bp->b_fname; 4266 } 4267 4268 #if defined(FEAT_WINDOWS) || defined(PROTO) 4269 /* 4270 * do_arg_all(): Open up to 'count' windows, one for each argument. 4271 */ 4272 void 4273 do_arg_all(count, forceit, keep_tabs) 4274 int count; 4275 int forceit; /* hide buffers in current windows */ 4276 int keep_tabs; /* keep current tabs, for ":tab drop file" */ 4277 { 4278 int i; 4279 win_T *wp, *wpnext; 4280 char_u *opened; /* array of flags for which args are open */ 4281 int opened_len; /* length of opened[] */ 4282 int use_firstwin = FALSE; /* use first window for arglist */ 4283 int split_ret = OK; 4284 int p_ea_save; 4285 alist_T *alist; /* argument list to be used */ 4286 buf_T *buf; 4287 tabpage_T *tpnext; 4288 int had_tab = cmdmod.tab; 4289 win_T *new_curwin = NULL; 4290 tabpage_T *new_curtab = NULL; 4291 4292 if (ARGCOUNT <= 0) 4293 { 4294 /* Don't give an error message. We don't want it when the ":all" 4295 * command is in the .vimrc. */ 4296 return; 4297 } 4298 setpcmark(); 4299 4300 opened_len = ARGCOUNT; 4301 opened = alloc_clear((unsigned)opened_len); 4302 if (opened == NULL) 4303 return; 4304 4305 #ifdef FEAT_GUI 4306 need_mouse_correct = TRUE; 4307 #endif 4308 4309 /* 4310 * Try closing all windows that are not in the argument list. 4311 * Also close windows that are not full width; 4312 * When 'hidden' or "forceit" set the buffer becomes hidden. 4313 * Windows that have a changed buffer and can't be hidden won't be closed. 4314 * When the ":tab" modifier was used do this for all tab pages. 4315 */ 4316 if (had_tab > 0) 4317 goto_tabpage_tp(first_tabpage); 4318 for (;;) 4319 { 4320 tpnext = curtab->tp_next; 4321 for (wp = firstwin; wp != NULL; wp = wpnext) 4322 { 4323 wpnext = wp->w_next; 4324 buf = wp->w_buffer; 4325 if (buf->b_ffname == NULL 4326 || buf->b_nwindows > 1 4327 #ifdef FEAT_VERTSPLIT 4328 || wp->w_width != Columns 4329 #endif 4330 ) 4331 i = ARGCOUNT; 4332 else 4333 { 4334 /* check if the buffer in this window is in the arglist */ 4335 for (i = 0; i < ARGCOUNT; ++i) 4336 { 4337 if (ARGLIST[i].ae_fnum == buf->b_fnum 4338 || fullpathcmp(alist_name(&ARGLIST[i]), 4339 buf->b_ffname, TRUE) & FPC_SAME) 4340 { 4341 if (i < opened_len) 4342 { 4343 opened[i] = TRUE; 4344 if (i == 0) 4345 { 4346 new_curwin = wp; 4347 new_curtab = curtab; 4348 } 4349 } 4350 if (wp->w_alist != curwin->w_alist) 4351 { 4352 /* Use the current argument list for all windows 4353 * containing a file from it. */ 4354 alist_unlink(wp->w_alist); 4355 wp->w_alist = curwin->w_alist; 4356 ++wp->w_alist->al_refcount; 4357 } 4358 break; 4359 } 4360 } 4361 } 4362 wp->w_arg_idx = i; 4363 4364 if (i == ARGCOUNT && !keep_tabs) /* close this window */ 4365 { 4366 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4367 || !bufIsChanged(buf)) 4368 { 4369 /* If the buffer was changed, and we would like to hide it, 4370 * try autowriting. */ 4371 if (!P_HID(buf) && buf->b_nwindows <= 1 4372 && bufIsChanged(buf)) 4373 { 4374 (void)autowrite(buf, FALSE); 4375 #ifdef FEAT_AUTOCMD 4376 /* check if autocommands removed the window */ 4377 if (!win_valid(wp) || !buf_valid(buf)) 4378 { 4379 wpnext = firstwin; /* start all over... */ 4380 continue; 4381 } 4382 #endif 4383 } 4384 #ifdef FEAT_WINDOWS 4385 /* don't close last window */ 4386 if (firstwin == lastwin && first_tabpage->tp_next == NULL) 4387 #endif 4388 use_firstwin = TRUE; 4389 #ifdef FEAT_WINDOWS 4390 else 4391 { 4392 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4393 # ifdef FEAT_AUTOCMD 4394 /* check if autocommands removed the next window */ 4395 if (!win_valid(wpnext)) 4396 wpnext = firstwin; /* start all over... */ 4397 # endif 4398 } 4399 #endif 4400 } 4401 } 4402 } 4403 4404 /* Without the ":tab" modifier only do the current tab page. */ 4405 if (had_tab == 0 || tpnext == NULL) 4406 break; 4407 4408 # ifdef FEAT_AUTOCMD 4409 /* check if autocommands removed the next tab page */ 4410 if (!valid_tabpage(tpnext)) 4411 tpnext = first_tabpage; /* start all over...*/ 4412 # endif 4413 goto_tabpage_tp(tpnext); 4414 } 4415 4416 /* 4417 * Open a window for files in the argument list that don't have one. 4418 * ARGCOUNT may change while doing this, because of autocommands. 4419 */ 4420 if (count > ARGCOUNT || count <= 0) 4421 count = ARGCOUNT; 4422 4423 /* Autocommands may do anything to the argument list. Make sure it's not 4424 * freed while we are working here by "locking" it. We still have to 4425 * watch out for its size to be changed. */ 4426 alist = curwin->w_alist; 4427 ++alist->al_refcount; 4428 4429 #ifdef FEAT_AUTOCMD 4430 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4431 ++autocmd_no_enter; 4432 ++autocmd_no_leave; 4433 #endif 4434 win_enter(lastwin, FALSE); 4435 #ifdef FEAT_WINDOWS 4436 /* ":drop all" should re-use an empty window to avoid "--remote-tab" 4437 * leaving an empty tab page when executed locally. */ 4438 if (keep_tabs && bufempty() && curbuf->b_nwindows == 1 4439 && curbuf->b_ffname == NULL && !curbuf->b_changed) 4440 use_firstwin = TRUE; 4441 #endif 4442 4443 for (i = 0; i < count && i < alist->al_ga.ga_len && !got_int; ++i) 4444 { 4445 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4446 arg_had_last = TRUE; 4447 if (i < opened_len && opened[i]) 4448 { 4449 /* Move the already present window to below the current window */ 4450 if (curwin->w_arg_idx != i) 4451 { 4452 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4453 { 4454 if (wpnext->w_arg_idx == i) 4455 { 4456 win_move_after(wpnext, curwin); 4457 break; 4458 } 4459 } 4460 } 4461 } 4462 else if (split_ret == OK) 4463 { 4464 if (!use_firstwin) /* split current window */ 4465 { 4466 p_ea_save = p_ea; 4467 p_ea = TRUE; /* use space from all windows */ 4468 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4469 p_ea = p_ea_save; 4470 if (split_ret == FAIL) 4471 continue; 4472 } 4473 #ifdef FEAT_AUTOCMD 4474 else /* first window: do autocmd for leaving this buffer */ 4475 --autocmd_no_leave; 4476 #endif 4477 4478 /* 4479 * edit file "i" 4480 */ 4481 curwin->w_arg_idx = i; 4482 if (i == 0) 4483 { 4484 new_curwin = curwin; 4485 new_curtab = curtab; 4486 } 4487 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4488 ECMD_ONE, 4489 ((P_HID(curwin->w_buffer) 4490 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4491 + ECMD_OLDBUF); 4492 #ifdef FEAT_AUTOCMD 4493 if (use_firstwin) 4494 ++autocmd_no_leave; 4495 #endif 4496 use_firstwin = FALSE; 4497 } 4498 ui_breakcheck(); 4499 4500 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4501 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4502 cmdmod.tab = 9999; 4503 } 4504 4505 /* Remove the "lock" on the argument list. */ 4506 alist_unlink(alist); 4507 4508 #ifdef FEAT_AUTOCMD 4509 --autocmd_no_enter; 4510 #endif 4511 /* to window with first arg */ 4512 if (valid_tabpage(new_curtab)) 4513 goto_tabpage_tp(new_curtab); 4514 if (win_valid(new_curwin)) 4515 win_enter(new_curwin, FALSE); 4516 4517 #ifdef FEAT_AUTOCMD 4518 --autocmd_no_leave; 4519 #endif 4520 vim_free(opened); 4521 } 4522 4523 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4524 /* 4525 * Open a window for a number of buffers. 4526 */ 4527 void 4528 ex_buffer_all(eap) 4529 exarg_T *eap; 4530 { 4531 buf_T *buf; 4532 win_T *wp, *wpnext; 4533 int split_ret = OK; 4534 int p_ea_save; 4535 int open_wins = 0; 4536 int r; 4537 int count; /* Maximum number of windows to open. */ 4538 int all; /* When TRUE also load inactive buffers. */ 4539 #ifdef FEAT_WINDOWS 4540 int had_tab = cmdmod.tab; 4541 tabpage_T *tpnext; 4542 #endif 4543 4544 if (eap->addr_count == 0) /* make as many windows as possible */ 4545 count = 9999; 4546 else 4547 count = eap->line2; /* make as many windows as specified */ 4548 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4549 all = FALSE; 4550 else 4551 all = TRUE; 4552 4553 setpcmark(); 4554 4555 #ifdef FEAT_GUI 4556 need_mouse_correct = TRUE; 4557 #endif 4558 4559 /* 4560 * Close superfluous windows (two windows for the same buffer). 4561 * Also close windows that are not full-width. 4562 */ 4563 #ifdef FEAT_WINDOWS 4564 if (had_tab > 0) 4565 goto_tabpage_tp(first_tabpage); 4566 for (;;) 4567 { 4568 #endif 4569 tpnext = curtab->tp_next; 4570 for (wp = firstwin; wp != NULL; wp = wpnext) 4571 { 4572 wpnext = wp->w_next; 4573 if ((wp->w_buffer->b_nwindows > 1 4574 #ifdef FEAT_VERTSPLIT 4575 || ((cmdmod.split & WSP_VERT) 4576 ? wp->w_height + wp->w_status_height < Rows - p_ch 4577 - tabline_height() 4578 : wp->w_width != Columns) 4579 #endif 4580 #ifdef FEAT_WINDOWS 4581 || (had_tab > 0 && wp != firstwin) 4582 #endif 4583 ) && firstwin != lastwin) 4584 { 4585 win_close(wp, FALSE); 4586 #ifdef FEAT_AUTOCMD 4587 wpnext = firstwin; /* just in case an autocommand does 4588 something strange with windows */ 4589 tpnext = first_tabpage; /* start all over...*/ 4590 open_wins = 0; 4591 #endif 4592 } 4593 else 4594 ++open_wins; 4595 } 4596 4597 #ifdef FEAT_WINDOWS 4598 /* Without the ":tab" modifier only do the current tab page. */ 4599 if (had_tab == 0 || tpnext == NULL) 4600 break; 4601 goto_tabpage_tp(tpnext); 4602 } 4603 #endif 4604 4605 /* 4606 * Go through the buffer list. When a buffer doesn't have a window yet, 4607 * open one. Otherwise move the window to the right position. 4608 * Watch out for autocommands that delete buffers or windows! 4609 */ 4610 #ifdef FEAT_AUTOCMD 4611 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4612 ++autocmd_no_enter; 4613 #endif 4614 win_enter(lastwin, FALSE); 4615 #ifdef FEAT_AUTOCMD 4616 ++autocmd_no_leave; 4617 #endif 4618 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4619 { 4620 /* Check if this buffer needs a window */ 4621 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4622 continue; 4623 4624 #ifdef FEAT_WINDOWS 4625 if (had_tab != 0) 4626 { 4627 /* With the ":tab" modifier don't move the window. */ 4628 if (buf->b_nwindows > 0) 4629 wp = lastwin; /* buffer has a window, skip it */ 4630 else 4631 wp = NULL; 4632 } 4633 else 4634 #endif 4635 { 4636 /* Check if this buffer already has a window */ 4637 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4638 if (wp->w_buffer == buf) 4639 break; 4640 /* If the buffer already has a window, move it */ 4641 if (wp != NULL) 4642 win_move_after(wp, curwin); 4643 } 4644 4645 if (wp == NULL && split_ret == OK) 4646 { 4647 /* Split the window and put the buffer in it */ 4648 p_ea_save = p_ea; 4649 p_ea = TRUE; /* use space from all windows */ 4650 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4651 ++open_wins; 4652 p_ea = p_ea_save; 4653 if (split_ret == FAIL) 4654 continue; 4655 4656 /* Open the buffer in this window. */ 4657 #if defined(HAS_SWAP_EXISTS_ACTION) 4658 swap_exists_action = SEA_DIALOG; 4659 #endif 4660 set_curbuf(buf, DOBUF_GOTO); 4661 #ifdef FEAT_AUTOCMD 4662 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4663 { 4664 #if defined(HAS_SWAP_EXISTS_ACTION) 4665 swap_exists_action = SEA_NONE; 4666 # endif 4667 break; 4668 } 4669 #endif 4670 #if defined(HAS_SWAP_EXISTS_ACTION) 4671 if (swap_exists_action == SEA_QUIT) 4672 { 4673 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4674 cleanup_T cs; 4675 4676 /* Reset the error/interrupt/exception state here so that 4677 * aborting() returns FALSE when closing a window. */ 4678 enter_cleanup(&cs); 4679 # endif 4680 4681 /* User selected Quit at ATTENTION prompt; close this window. */ 4682 win_close(curwin, TRUE); 4683 --open_wins; 4684 swap_exists_action = SEA_NONE; 4685 swap_exists_did_quit = TRUE; 4686 4687 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4688 /* Restore the error/interrupt/exception state if not 4689 * discarded by a new aborting error, interrupt, or uncaught 4690 * exception. */ 4691 leave_cleanup(&cs); 4692 # endif 4693 } 4694 else 4695 handle_swap_exists(NULL); 4696 #endif 4697 } 4698 4699 ui_breakcheck(); 4700 if (got_int) 4701 { 4702 (void)vgetc(); /* only break the file loading, not the rest */ 4703 break; 4704 } 4705 #ifdef FEAT_EVAL 4706 /* Autocommands deleted the buffer or aborted script processing!!! */ 4707 if (aborting()) 4708 break; 4709 #endif 4710 #ifdef FEAT_WINDOWS 4711 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4712 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4713 cmdmod.tab = 9999; 4714 #endif 4715 } 4716 #ifdef FEAT_AUTOCMD 4717 --autocmd_no_enter; 4718 #endif 4719 win_enter(firstwin, FALSE); /* back to first window */ 4720 #ifdef FEAT_AUTOCMD 4721 --autocmd_no_leave; 4722 #endif 4723 4724 /* 4725 * Close superfluous windows. 4726 */ 4727 for (wp = lastwin; open_wins > count; ) 4728 { 4729 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4730 || autowrite(wp->w_buffer, FALSE) == OK); 4731 #ifdef FEAT_AUTOCMD 4732 if (!win_valid(wp)) 4733 { 4734 /* BufWrite Autocommands made the window invalid, start over */ 4735 wp = lastwin; 4736 } 4737 else 4738 #endif 4739 if (r) 4740 { 4741 win_close(wp, !P_HID(wp->w_buffer)); 4742 --open_wins; 4743 wp = lastwin; 4744 } 4745 else 4746 { 4747 wp = wp->w_prev; 4748 if (wp == NULL) 4749 break; 4750 } 4751 } 4752 } 4753 # endif /* FEAT_LISTCMDS */ 4754 4755 #endif /* FEAT_WINDOWS */ 4756 4757 static int chk_modeline __ARGS((linenr_T, int)); 4758 4759 /* 4760 * do_modelines() - process mode lines for the current file 4761 * 4762 * "flags" can be: 4763 * OPT_WINONLY only set options local to window 4764 * OPT_NOWIN don't set options local to window 4765 * 4766 * Returns immediately if the "ml" option isn't set. 4767 */ 4768 void 4769 do_modelines(flags) 4770 int flags; 4771 { 4772 linenr_T lnum; 4773 int nmlines; 4774 static int entered = 0; 4775 4776 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4777 return; 4778 4779 /* Disallow recursive entry here. Can happen when executing a modeline 4780 * triggers an autocommand, which reloads modelines with a ":do". */ 4781 if (entered) 4782 return; 4783 4784 ++entered; 4785 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 4786 ++lnum) 4787 if (chk_modeline(lnum, flags) == FAIL) 4788 nmlines = 0; 4789 4790 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 4791 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 4792 if (chk_modeline(lnum, flags) == FAIL) 4793 nmlines = 0; 4794 --entered; 4795 } 4796 4797 #include "version.h" /* for version number */ 4798 4799 /* 4800 * chk_modeline() - check a single line for a mode string 4801 * Return FAIL if an error encountered. 4802 */ 4803 static int 4804 chk_modeline(lnum, flags) 4805 linenr_T lnum; 4806 int flags; /* Same as for do_modelines(). */ 4807 { 4808 char_u *s; 4809 char_u *e; 4810 char_u *linecopy; /* local copy of any modeline found */ 4811 int prev; 4812 int vers; 4813 int end; 4814 int retval = OK; 4815 char_u *save_sourcing_name; 4816 linenr_T save_sourcing_lnum; 4817 #ifdef FEAT_EVAL 4818 scid_T save_SID; 4819 #endif 4820 4821 prev = -1; 4822 for (s = ml_get(lnum); *s != NUL; ++s) 4823 { 4824 if (prev == -1 || vim_isspace(prev)) 4825 { 4826 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 4827 || STRNCMP(s, "vi:", (size_t)3) == 0) 4828 break; 4829 if (STRNCMP(s, "vim", 3) == 0) 4830 { 4831 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 4832 e = s + 4; 4833 else 4834 e = s + 3; 4835 vers = getdigits(&e); 4836 if (*e == ':' 4837 && (s[3] == ':' 4838 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 4839 || (VIM_VERSION_100 < vers && s[3] == '<') 4840 || (VIM_VERSION_100 > vers && s[3] == '>') 4841 || (VIM_VERSION_100 == vers && s[3] == '='))) 4842 break; 4843 } 4844 } 4845 prev = *s; 4846 } 4847 4848 if (*s) 4849 { 4850 do /* skip over "ex:", "vi:" or "vim:" */ 4851 ++s; 4852 while (s[-1] != ':'); 4853 4854 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 4855 if (linecopy == NULL) 4856 return FAIL; 4857 4858 save_sourcing_lnum = sourcing_lnum; 4859 save_sourcing_name = sourcing_name; 4860 sourcing_lnum = lnum; /* prepare for emsg() */ 4861 sourcing_name = (char_u *)"modelines"; 4862 4863 end = FALSE; 4864 while (end == FALSE) 4865 { 4866 s = skipwhite(s); 4867 if (*s == NUL) 4868 break; 4869 4870 /* 4871 * Find end of set command: ':' or end of line. 4872 * Skip over "\:", replacing it with ":". 4873 */ 4874 for (e = s; *e != ':' && *e != NUL; ++e) 4875 if (e[0] == '\\' && e[1] == ':') 4876 STRMOVE(e, e + 1); 4877 if (*e == NUL) 4878 end = TRUE; 4879 4880 /* 4881 * If there is a "set" command, require a terminating ':' and 4882 * ignore the stuff after the ':'. 4883 * "vi:set opt opt opt: foo" -- foo not interpreted 4884 * "vi:opt opt opt: foo" -- foo interpreted 4885 * Accept "se" for compatibility with Elvis. 4886 */ 4887 if (STRNCMP(s, "set ", (size_t)4) == 0 4888 || STRNCMP(s, "se ", (size_t)3) == 0) 4889 { 4890 if (*e != ':') /* no terminating ':'? */ 4891 break; 4892 end = TRUE; 4893 s = vim_strchr(s, ' ') + 1; 4894 } 4895 *e = NUL; /* truncate the set command */ 4896 4897 if (*s != NUL) /* skip over an empty "::" */ 4898 { 4899 #ifdef FEAT_EVAL 4900 save_SID = current_SID; 4901 current_SID = SID_MODELINE; 4902 #endif 4903 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 4904 #ifdef FEAT_EVAL 4905 current_SID = save_SID; 4906 #endif 4907 if (retval == FAIL) /* stop if error found */ 4908 break; 4909 } 4910 s = e + 1; /* advance to next part */ 4911 } 4912 4913 sourcing_lnum = save_sourcing_lnum; 4914 sourcing_name = save_sourcing_name; 4915 4916 vim_free(linecopy); 4917 } 4918 return retval; 4919 } 4920 4921 #if defined(FEAT_VIMINFO) || defined(PROTO) 4922 int 4923 read_viminfo_bufferlist(virp, writing) 4924 vir_T *virp; 4925 int writing; 4926 { 4927 char_u *tab; 4928 linenr_T lnum; 4929 colnr_T col; 4930 buf_T *buf; 4931 char_u *sfname; 4932 char_u *xline; 4933 4934 /* Handle long line and escaped characters. */ 4935 xline = viminfo_readstring(virp, 1, FALSE); 4936 4937 /* don't read in if there are files on the command-line or if writing: */ 4938 if (xline != NULL && !writing && ARGCOUNT == 0 4939 && find_viminfo_parameter('%') != NULL) 4940 { 4941 /* Format is: <fname> Tab <lnum> Tab <col>. 4942 * Watch out for a Tab in the file name, work from the end. */ 4943 lnum = 0; 4944 col = 0; 4945 tab = vim_strrchr(xline, '\t'); 4946 if (tab != NULL) 4947 { 4948 *tab++ = '\0'; 4949 col = atoi((char *)tab); 4950 tab = vim_strrchr(xline, '\t'); 4951 if (tab != NULL) 4952 { 4953 *tab++ = '\0'; 4954 lnum = atol((char *)tab); 4955 } 4956 } 4957 4958 /* Expand "~/" in the file name at "line + 1" to a full path. 4959 * Then try shortening it by comparing with the current directory */ 4960 expand_env(xline, NameBuff, MAXPATHL); 4961 sfname = shorten_fname1(NameBuff); 4962 4963 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 4964 if (buf != NULL) /* just in case... */ 4965 { 4966 buf->b_last_cursor.lnum = lnum; 4967 buf->b_last_cursor.col = col; 4968 buflist_setfpos(buf, curwin, lnum, col, FALSE); 4969 } 4970 } 4971 vim_free(xline); 4972 4973 return viminfo_readline(virp); 4974 } 4975 4976 void 4977 write_viminfo_bufferlist(fp) 4978 FILE *fp; 4979 { 4980 buf_T *buf; 4981 #ifdef FEAT_WINDOWS 4982 win_T *win; 4983 tabpage_T *tp; 4984 #endif 4985 char_u *line; 4986 int max_buffers; 4987 4988 if (find_viminfo_parameter('%') == NULL) 4989 return; 4990 4991 /* Without a number -1 is returned: do all buffers. */ 4992 max_buffers = get_viminfo_parameter('%'); 4993 4994 /* Allocate room for the file name, lnum and col. */ 4995 line = alloc(MAXPATHL + 40); 4996 if (line == NULL) 4997 return; 4998 4999 #ifdef FEAT_WINDOWS 5000 FOR_ALL_TAB_WINDOWS(tp, win) 5001 set_last_cursor(win); 5002 #else 5003 set_last_cursor(curwin); 5004 #endif 5005 5006 fprintf(fp, _("\n# Buffer list:\n")); 5007 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 5008 { 5009 if (buf->b_fname == NULL 5010 || !buf->b_p_bl 5011 #ifdef FEAT_QUICKFIX 5012 || bt_quickfix(buf) 5013 #endif 5014 || removable(buf->b_ffname)) 5015 continue; 5016 5017 if (max_buffers-- == 0) 5018 break; 5019 putc('%', fp); 5020 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 5021 sprintf((char *)line + STRLEN(line), "\t%ld\t%d", 5022 (long)buf->b_last_cursor.lnum, 5023 buf->b_last_cursor.col); 5024 viminfo_writestring(fp, line); 5025 } 5026 vim_free(line); 5027 } 5028 #endif 5029 5030 5031 /* 5032 * Return special buffer name. 5033 * Returns NULL when the buffer has a normal file name. 5034 */ 5035 char * 5036 buf_spname(buf) 5037 buf_T *buf; 5038 { 5039 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 5040 if (bt_quickfix(buf)) 5041 { 5042 win_T *win = NULL; 5043 tabpage_T *tp; 5044 5045 /* 5046 * For location list window, w_llist_ref points to the location list. 5047 * For quickfix window, w_llist_ref is NULL. 5048 */ 5049 FOR_ALL_TAB_WINDOWS(tp, win) 5050 if (win->w_buffer == buf) 5051 break; 5052 if (win != NULL && win->w_llist_ref != NULL) 5053 return _("[Location List]"); 5054 else 5055 return _("[Quickfix List]"); 5056 } 5057 #endif 5058 #ifdef FEAT_QUICKFIX 5059 /* There is no _file_ when 'buftype' is "nofile", b_sfname 5060 * contains the name as specified by the user */ 5061 if (bt_nofile(buf)) 5062 { 5063 if (buf->b_sfname != NULL) 5064 return (char *)buf->b_sfname; 5065 return "[Scratch]"; 5066 } 5067 #endif 5068 if (buf->b_fname == NULL) 5069 return _("[No Name]"); 5070 return NULL; 5071 } 5072 5073 5074 #if defined(FEAT_SIGNS) || defined(PROTO) 5075 /* 5076 * Insert the sign into the signlist. 5077 */ 5078 static void 5079 insert_sign(buf, prev, next, id, lnum, typenr) 5080 buf_T *buf; /* buffer to store sign in */ 5081 signlist_T *prev; /* previous sign entry */ 5082 signlist_T *next; /* next sign entry */ 5083 int id; /* sign ID */ 5084 linenr_T lnum; /* line number which gets the mark */ 5085 int typenr; /* typenr of sign we are adding */ 5086 { 5087 signlist_T *newsign; 5088 5089 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5090 if (newsign != NULL) 5091 { 5092 newsign->id = id; 5093 newsign->lnum = lnum; 5094 newsign->typenr = typenr; 5095 newsign->next = next; 5096 #ifdef FEAT_NETBEANS_INTG 5097 newsign->prev = prev; 5098 if (next != NULL) 5099 next->prev = newsign; 5100 #endif 5101 5102 if (prev == NULL) 5103 { 5104 /* When adding first sign need to redraw the windows to create the 5105 * column for signs. */ 5106 if (buf->b_signlist == NULL) 5107 { 5108 redraw_buf_later(buf, NOT_VALID); 5109 changed_cline_bef_curs(); 5110 } 5111 5112 /* first sign in signlist */ 5113 buf->b_signlist = newsign; 5114 } 5115 else 5116 prev->next = newsign; 5117 } 5118 } 5119 5120 /* 5121 * Add the sign into the signlist. Find the right spot to do it though. 5122 */ 5123 void 5124 buf_addsign(buf, id, lnum, typenr) 5125 buf_T *buf; /* buffer to store sign in */ 5126 int id; /* sign ID */ 5127 linenr_T lnum; /* line number which gets the mark */ 5128 int typenr; /* typenr of sign we are adding */ 5129 { 5130 signlist_T *sign; /* a sign in the signlist */ 5131 signlist_T *prev; /* the previous sign */ 5132 5133 prev = NULL; 5134 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5135 { 5136 if (lnum == sign->lnum && id == sign->id) 5137 { 5138 sign->typenr = typenr; 5139 return; 5140 } 5141 else if ( 5142 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 5143 id < 0 && 5144 #endif 5145 lnum < sign->lnum) 5146 { 5147 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5148 /* XXX - GRP: Is this because of sign slide problem? Or is it 5149 * really needed? Or is it because we allow multiple signs per 5150 * line? If so, should I add that feature to FEAT_SIGNS? 5151 */ 5152 while (prev != NULL && prev->lnum == lnum) 5153 prev = prev->prev; 5154 if (prev == NULL) 5155 sign = buf->b_signlist; 5156 else 5157 sign = prev->next; 5158 #endif 5159 insert_sign(buf, prev, sign, id, lnum, typenr); 5160 return; 5161 } 5162 prev = sign; 5163 } 5164 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5165 /* XXX - GRP: See previous comment */ 5166 while (prev != NULL && prev->lnum == lnum) 5167 prev = prev->prev; 5168 if (prev == NULL) 5169 sign = buf->b_signlist; 5170 else 5171 sign = prev->next; 5172 #endif 5173 insert_sign(buf, prev, sign, id, lnum, typenr); 5174 5175 return; 5176 } 5177 5178 int 5179 buf_change_sign_type(buf, markId, typenr) 5180 buf_T *buf; /* buffer to store sign in */ 5181 int markId; /* sign ID */ 5182 int typenr; /* typenr of sign we are adding */ 5183 { 5184 signlist_T *sign; /* a sign in the signlist */ 5185 5186 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5187 { 5188 if (sign->id == markId) 5189 { 5190 sign->typenr = typenr; 5191 return sign->lnum; 5192 } 5193 } 5194 5195 return 0; 5196 } 5197 5198 int_u 5199 buf_getsigntype(buf, lnum, type) 5200 buf_T *buf; 5201 linenr_T lnum; 5202 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5203 { 5204 signlist_T *sign; /* a sign in a b_signlist */ 5205 5206 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5207 if (sign->lnum == lnum 5208 && (type == SIGN_ANY 5209 # ifdef FEAT_SIGN_ICONS 5210 || (type == SIGN_ICON 5211 && sign_get_image(sign->typenr) != NULL) 5212 # endif 5213 || (type == SIGN_TEXT 5214 && sign_get_text(sign->typenr) != NULL) 5215 || (type == SIGN_LINEHL 5216 && sign_get_attr(sign->typenr, TRUE) != 0))) 5217 return sign->typenr; 5218 return 0; 5219 } 5220 5221 5222 linenr_T 5223 buf_delsign(buf, id) 5224 buf_T *buf; /* buffer sign is stored in */ 5225 int id; /* sign id */ 5226 { 5227 signlist_T **lastp; /* pointer to pointer to current sign */ 5228 signlist_T *sign; /* a sign in a b_signlist */ 5229 signlist_T *next; /* the next sign in a b_signlist */ 5230 linenr_T lnum; /* line number whose sign was deleted */ 5231 5232 lastp = &buf->b_signlist; 5233 lnum = 0; 5234 for (sign = buf->b_signlist; sign != NULL; sign = next) 5235 { 5236 next = sign->next; 5237 if (sign->id == id) 5238 { 5239 *lastp = next; 5240 #ifdef FEAT_NETBEANS_INTG 5241 if (next != NULL) 5242 next->prev = sign->prev; 5243 #endif 5244 lnum = sign->lnum; 5245 vim_free(sign); 5246 break; 5247 } 5248 else 5249 lastp = &sign->next; 5250 } 5251 5252 /* When deleted the last sign need to redraw the windows to remove the 5253 * sign column. */ 5254 if (buf->b_signlist == NULL) 5255 { 5256 redraw_buf_later(buf, NOT_VALID); 5257 changed_cline_bef_curs(); 5258 } 5259 5260 return lnum; 5261 } 5262 5263 5264 /* 5265 * Find the line number of the sign with the requested id. If the sign does 5266 * not exist, return 0 as the line number. This will still let the correct file 5267 * get loaded. 5268 */ 5269 int 5270 buf_findsign(buf, id) 5271 buf_T *buf; /* buffer to store sign in */ 5272 int id; /* sign ID */ 5273 { 5274 signlist_T *sign; /* a sign in the signlist */ 5275 5276 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5277 if (sign->id == id) 5278 return sign->lnum; 5279 5280 return 0; 5281 } 5282 5283 int 5284 buf_findsign_id(buf, lnum) 5285 buf_T *buf; /* buffer whose sign we are searching for */ 5286 linenr_T lnum; /* line number of sign */ 5287 { 5288 signlist_T *sign; /* a sign in the signlist */ 5289 5290 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5291 if (sign->lnum == lnum) 5292 return sign->id; 5293 5294 return 0; 5295 } 5296 5297 5298 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5299 /* see if a given type of sign exists on a specific line */ 5300 int 5301 buf_findsigntype_id(buf, lnum, typenr) 5302 buf_T *buf; /* buffer whose sign we are searching for */ 5303 linenr_T lnum; /* line number of sign */ 5304 int typenr; /* sign type number */ 5305 { 5306 signlist_T *sign; /* a sign in the signlist */ 5307 5308 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5309 if (sign->lnum == lnum && sign->typenr == typenr) 5310 return sign->id; 5311 5312 return 0; 5313 } 5314 5315 5316 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5317 /* return the number of icons on the given line */ 5318 int 5319 buf_signcount(buf, lnum) 5320 buf_T *buf; 5321 linenr_T lnum; 5322 { 5323 signlist_T *sign; /* a sign in the signlist */ 5324 int count = 0; 5325 5326 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5327 if (sign->lnum == lnum) 5328 if (sign_get_image(sign->typenr) != NULL) 5329 count++; 5330 5331 return count; 5332 } 5333 # endif /* FEAT_SIGN_ICONS */ 5334 # endif /* FEAT_NETBEANS_INTG */ 5335 5336 5337 /* 5338 * Delete signs in buffer "buf". 5339 */ 5340 static void 5341 buf_delete_signs(buf) 5342 buf_T *buf; 5343 { 5344 signlist_T *next; 5345 5346 while (buf->b_signlist != NULL) 5347 { 5348 next = buf->b_signlist->next; 5349 vim_free(buf->b_signlist); 5350 buf->b_signlist = next; 5351 } 5352 } 5353 5354 /* 5355 * Delete all signs in all buffers. 5356 */ 5357 void 5358 buf_delete_all_signs() 5359 { 5360 buf_T *buf; /* buffer we are checking for signs */ 5361 5362 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 5363 if (buf->b_signlist != NULL) 5364 { 5365 /* Need to redraw the windows to remove the sign column. */ 5366 redraw_buf_later(buf, NOT_VALID); 5367 buf_delete_signs(buf); 5368 } 5369 } 5370 5371 /* 5372 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 5373 */ 5374 void 5375 sign_list_placed(rbuf) 5376 buf_T *rbuf; 5377 { 5378 buf_T *buf; 5379 signlist_T *p; 5380 char lbuf[BUFSIZ]; 5381 5382 MSG_PUTS_TITLE(_("\n--- Signs ---")); 5383 msg_putchar('\n'); 5384 if (rbuf == NULL) 5385 buf = firstbuf; 5386 else 5387 buf = rbuf; 5388 while (buf != NULL) 5389 { 5390 if (buf->b_signlist != NULL) 5391 { 5392 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 5393 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 5394 msg_putchar('\n'); 5395 } 5396 for (p = buf->b_signlist; p != NULL; p = p->next) 5397 { 5398 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 5399 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 5400 MSG_PUTS(lbuf); 5401 msg_putchar('\n'); 5402 } 5403 if (rbuf != NULL) 5404 break; 5405 buf = buf->b_next; 5406 } 5407 } 5408 5409 /* 5410 * Adjust a placed sign for inserted/deleted lines. 5411 */ 5412 void 5413 sign_mark_adjust(line1, line2, amount, amount_after) 5414 linenr_T line1; 5415 linenr_T line2; 5416 long amount; 5417 long amount_after; 5418 { 5419 signlist_T *sign; /* a sign in a b_signlist */ 5420 5421 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 5422 { 5423 if (sign->lnum >= line1 && sign->lnum <= line2) 5424 { 5425 if (amount == MAXLNUM) 5426 sign->lnum = line1; 5427 else 5428 sign->lnum += amount; 5429 } 5430 else if (sign->lnum > line2) 5431 sign->lnum += amount_after; 5432 } 5433 } 5434 #endif /* FEAT_SIGNS */ 5435 5436 /* 5437 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5438 */ 5439 void 5440 set_buflisted(on) 5441 int on; 5442 { 5443 if (on != curbuf->b_p_bl) 5444 { 5445 curbuf->b_p_bl = on; 5446 #ifdef FEAT_AUTOCMD 5447 if (on) 5448 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5449 else 5450 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5451 #endif 5452 } 5453 } 5454 5455 /* 5456 * Read the file for "buf" again and check if the contents changed. 5457 * Return TRUE if it changed or this could not be checked. 5458 */ 5459 int 5460 buf_contents_changed(buf) 5461 buf_T *buf; 5462 { 5463 buf_T *newbuf; 5464 int differ = TRUE; 5465 linenr_T lnum; 5466 aco_save_T aco; 5467 exarg_T ea; 5468 5469 /* Allocate a buffer without putting it in the buffer list. */ 5470 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5471 if (newbuf == NULL) 5472 return TRUE; 5473 5474 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5475 if (prep_exarg(&ea, buf) == FAIL) 5476 { 5477 wipe_buffer(newbuf, FALSE); 5478 return TRUE; 5479 } 5480 5481 /* set curwin/curbuf to buf and save a few things */ 5482 aucmd_prepbuf(&aco, newbuf); 5483 5484 if (ml_open(curbuf) == OK 5485 && readfile(buf->b_ffname, buf->b_fname, 5486 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5487 &ea, READ_NEW | READ_DUMMY) == OK) 5488 { 5489 /* compare the two files line by line */ 5490 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5491 { 5492 differ = FALSE; 5493 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5494 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5495 { 5496 differ = TRUE; 5497 break; 5498 } 5499 } 5500 } 5501 vim_free(ea.cmd); 5502 5503 /* restore curwin/curbuf and a few other things */ 5504 aucmd_restbuf(&aco); 5505 5506 if (curbuf != newbuf) /* safety check */ 5507 wipe_buffer(newbuf, FALSE); 5508 5509 return differ; 5510 } 5511 5512 /* 5513 * Wipe out a buffer and decrement the last buffer number if it was used for 5514 * this buffer. Call this to wipe out a temp buffer that does not contain any 5515 * marks. 5516 */ 5517 /*ARGSUSED*/ 5518 void 5519 wipe_buffer(buf, aucmd) 5520 buf_T *buf; 5521 int aucmd; /* When TRUE trigger autocommands. */ 5522 { 5523 if (buf->b_fnum == top_file_num - 1) 5524 --top_file_num; 5525 5526 #ifdef FEAT_AUTOCMD 5527 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5528 block_autocmds(); 5529 #endif 5530 close_buffer(NULL, buf, DOBUF_WIPE); 5531 #ifdef FEAT_AUTOCMD 5532 if (!aucmd) 5533 unblock_autocmds(); 5534 #endif 5535 } 5536