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, int skip_diff_buffer)); 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 int append_arg_number __ARGS((win_T *wp, char_u *buf, int buflen, int add_file)); 48 static void free_buffer __ARGS((buf_T *)); 49 static void free_buffer_stuff __ARGS((buf_T *buf, int free_options)); 50 static void clear_wininfo __ARGS((buf_T *buf)); 51 52 #ifdef UNIX 53 # define dev_T dev_t 54 #else 55 # define dev_T unsigned 56 #endif 57 58 #if defined(FEAT_SIGNS) 59 static void insert_sign __ARGS((buf_T *buf, signlist_T *prev, signlist_T *next, int id, linenr_T lnum, int typenr)); 60 static void buf_delete_signs __ARGS((buf_T *buf)); 61 #endif 62 63 /* 64 * Open current buffer, that is: open the memfile and read the file into memory 65 * return FAIL for failure, OK otherwise 66 */ 67 int 68 open_buffer(read_stdin, eap) 69 int read_stdin; /* read file from stdin */ 70 exarg_T *eap; /* for forced 'ff' and 'fenc' or NULL */ 71 { 72 int retval = OK; 73 #ifdef FEAT_AUTOCMD 74 buf_T *old_curbuf; 75 #endif 76 77 /* 78 * The 'readonly' flag is only set when BF_NEVERLOADED is being reset. 79 * When re-entering the same buffer, it should not change, because the 80 * user may have reset the flag by hand. 81 */ 82 if (readonlymode && curbuf->b_ffname != NULL 83 && (curbuf->b_flags & BF_NEVERLOADED)) 84 curbuf->b_p_ro = TRUE; 85 86 if (ml_open(curbuf) == FAIL) 87 { 88 /* 89 * There MUST be a memfile, otherwise we can't do anything 90 * If we can't create one for the current buffer, take another buffer 91 */ 92 close_buffer(NULL, curbuf, 0); 93 for (curbuf = firstbuf; curbuf != NULL; curbuf = curbuf->b_next) 94 if (curbuf->b_ml.ml_mfp != NULL) 95 break; 96 /* 97 * if there is no memfile at all, exit 98 * This is OK, since there are no changes to lose. 99 */ 100 if (curbuf == NULL) 101 { 102 EMSG(_("E82: Cannot allocate any buffer, exiting...")); 103 getout(2); 104 } 105 EMSG(_("E83: Cannot allocate buffer, using other one...")); 106 enter_buffer(curbuf); 107 return FAIL; 108 } 109 110 #ifdef FEAT_AUTOCMD 111 /* The autocommands in readfile() may change the buffer, but only AFTER 112 * reading the file. */ 113 old_curbuf = curbuf; 114 modified_was_set = FALSE; 115 #endif 116 117 /* mark cursor position as being invalid */ 118 curwin->w_valid = 0; 119 120 if (curbuf->b_ffname != NULL 121 #ifdef FEAT_NETBEANS_INTG 122 && netbeansReadFile 123 #endif 124 ) 125 { 126 #ifdef FEAT_NETBEANS_INTG 127 int oldFire = netbeansFireChanges; 128 129 netbeansFireChanges = 0; 130 #endif 131 retval = readfile(curbuf->b_ffname, curbuf->b_fname, 132 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, eap, READ_NEW); 133 #ifdef FEAT_NETBEANS_INTG 134 netbeansFireChanges = oldFire; 135 #endif 136 /* Help buffer is filtered. */ 137 if (curbuf->b_help) 138 fix_help_buffer(); 139 } 140 else if (read_stdin) 141 { 142 int save_bin = curbuf->b_p_bin; 143 linenr_T line_count; 144 145 /* 146 * First read the text in binary mode into the buffer. 147 * Then read from that same buffer and append at the end. This makes 148 * it possible to retry when 'fileformat' or 'fileencoding' was 149 * guessed wrong. 150 */ 151 curbuf->b_p_bin = TRUE; 152 retval = readfile(NULL, NULL, (linenr_T)0, 153 (linenr_T)0, (linenr_T)MAXLNUM, NULL, READ_NEW + READ_STDIN); 154 curbuf->b_p_bin = save_bin; 155 if (retval == OK) 156 { 157 line_count = curbuf->b_ml.ml_line_count; 158 retval = readfile(NULL, NULL, (linenr_T)line_count, 159 (linenr_T)0, (linenr_T)MAXLNUM, eap, READ_BUFFER); 160 if (retval == OK) 161 { 162 /* Delete the binary lines. */ 163 while (--line_count >= 0) 164 ml_delete((linenr_T)1, FALSE); 165 } 166 else 167 { 168 /* Delete the converted lines. */ 169 while (curbuf->b_ml.ml_line_count > line_count) 170 ml_delete(line_count, FALSE); 171 } 172 /* Put the cursor on the first line. */ 173 curwin->w_cursor.lnum = 1; 174 curwin->w_cursor.col = 0; 175 176 /* Set or reset 'modified' before executing autocommands, so that 177 * it can be changed there. */ 178 if (!readonlymode && !bufempty()) 179 changed(); 180 else if (retval != FAIL) 181 unchanged(curbuf, FALSE); 182 #ifdef FEAT_AUTOCMD 183 # ifdef FEAT_EVAL 184 apply_autocmds_retval(EVENT_STDINREADPOST, NULL, NULL, FALSE, 185 curbuf, &retval); 186 # else 187 apply_autocmds(EVENT_STDINREADPOST, NULL, NULL, FALSE, curbuf); 188 # endif 189 #endif 190 } 191 } 192 193 /* if first time loading this buffer, init b_chartab[] */ 194 if (curbuf->b_flags & BF_NEVERLOADED) 195 (void)buf_init_chartab(curbuf, FALSE); 196 197 /* 198 * Set/reset the Changed flag first, autocmds may change the buffer. 199 * Apply the automatic commands, before processing the modelines. 200 * So the modelines have priority over auto commands. 201 */ 202 /* When reading stdin, the buffer contents always needs writing, so set 203 * the changed flag. Unless in readonly mode: "ls | gview -". 204 * When interrupted and 'cpoptions' contains 'i' set changed flag. */ 205 if ((got_int && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 206 #ifdef FEAT_AUTOCMD 207 || modified_was_set /* ":set modified" used in autocmd */ 208 # ifdef FEAT_EVAL 209 || (aborting() && vim_strchr(p_cpo, CPO_INTMOD) != NULL) 210 # endif 211 #endif 212 ) 213 changed(); 214 else if (retval != FAIL && !read_stdin) 215 unchanged(curbuf, FALSE); 216 save_file_ff(curbuf); /* keep this fileformat */ 217 218 /* require "!" to overwrite the file, because it wasn't read completely */ 219 #ifdef FEAT_EVAL 220 if (aborting()) 221 #else 222 if (got_int) 223 #endif 224 curbuf->b_flags |= BF_READERR; 225 226 #ifdef FEAT_FOLDING 227 /* Need to update automatic folding. Do this before the autocommands, 228 * they may use the fold info. */ 229 foldUpdateAll(curwin); 230 #endif 231 232 #ifdef FEAT_AUTOCMD 233 /* need to set w_topline, unless some autocommand already did that. */ 234 if (!(curwin->w_valid & VALID_TOPLINE)) 235 { 236 curwin->w_topline = 1; 237 # ifdef FEAT_DIFF 238 curwin->w_topfill = 0; 239 # endif 240 } 241 # ifdef FEAT_EVAL 242 apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, &retval); 243 # else 244 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 245 # endif 246 #endif 247 248 if (retval != FAIL) 249 { 250 #ifdef FEAT_AUTOCMD 251 /* 252 * The autocommands may have changed the current buffer. Apply the 253 * modelines to the correct buffer, if it still exists and is loaded. 254 */ 255 if (buf_valid(old_curbuf) && old_curbuf->b_ml.ml_mfp != NULL) 256 { 257 aco_save_T aco; 258 259 /* Go to the buffer that was opened. */ 260 aucmd_prepbuf(&aco, old_curbuf); 261 #endif 262 do_modelines(0); 263 curbuf->b_flags &= ~(BF_CHECK_RO | BF_NEVERLOADED); 264 265 #ifdef FEAT_AUTOCMD 266 # ifdef FEAT_EVAL 267 apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, 268 &retval); 269 # else 270 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 271 # endif 272 273 /* restore curwin/curbuf and a few other things */ 274 aucmd_restbuf(&aco); 275 } 276 #endif 277 } 278 279 return retval; 280 } 281 282 /* 283 * Return TRUE if "buf" points to a valid buffer (in the buffer list). 284 */ 285 int 286 buf_valid(buf) 287 buf_T *buf; 288 { 289 buf_T *bp; 290 291 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 292 if (bp == buf) 293 return TRUE; 294 return FALSE; 295 } 296 297 /* 298 * Close the link to a buffer. 299 * "action" is used when there is no longer a window for the buffer. 300 * It can be: 301 * 0 buffer becomes hidden 302 * DOBUF_UNLOAD buffer is unloaded 303 * DOBUF_DELETE buffer is unloaded and removed from buffer list 304 * DOBUF_WIPE buffer is unloaded and really deleted 305 * When doing all but the first one on the current buffer, the caller should 306 * get a new buffer very soon! 307 * 308 * The 'bufhidden' option can force freeing and deleting. 309 */ 310 void 311 close_buffer(win, buf, action) 312 win_T *win; /* if not NULL, set b_last_cursor */ 313 buf_T *buf; 314 int action; 315 { 316 #ifdef FEAT_AUTOCMD 317 int is_curbuf; 318 int nwindows; 319 #endif 320 int unload_buf = (action != 0); 321 int del_buf = (action == DOBUF_DEL || action == DOBUF_WIPE); 322 int wipe_buf = (action == DOBUF_WIPE); 323 324 #ifdef FEAT_QUICKFIX 325 /* 326 * Force unloading or deleting when 'bufhidden' says so. 327 * The caller must take care of NOT deleting/freeing when 'bufhidden' is 328 * "hide" (otherwise we could never free or delete a buffer). 329 */ 330 if (buf->b_p_bh[0] == 'd') /* 'bufhidden' == "delete" */ 331 { 332 del_buf = TRUE; 333 unload_buf = TRUE; 334 } 335 else if (buf->b_p_bh[0] == 'w') /* 'bufhidden' == "wipe" */ 336 { 337 del_buf = TRUE; 338 unload_buf = TRUE; 339 wipe_buf = TRUE; 340 } 341 else if (buf->b_p_bh[0] == 'u') /* 'bufhidden' == "unload" */ 342 unload_buf = TRUE; 343 #endif 344 345 if (win != NULL) 346 { 347 /* Set b_last_cursor when closing the last window for the buffer. 348 * Remember the last cursor position and window options of the buffer. 349 * This used to be only for the current window, but then options like 350 * 'foldmethod' may be lost with a ":only" command. */ 351 if (buf->b_nwindows == 1) 352 set_last_cursor(win); 353 buflist_setfpos(buf, win, 354 win->w_cursor.lnum == 1 ? 0 : win->w_cursor.lnum, 355 win->w_cursor.col, TRUE); 356 } 357 358 #ifdef FEAT_AUTOCMD 359 /* When the buffer is no longer in a window, trigger BufWinLeave */ 360 if (buf->b_nwindows == 1) 361 { 362 apply_autocmds(EVENT_BUFWINLEAVE, buf->b_fname, buf->b_fname, 363 FALSE, buf); 364 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 365 return; 366 367 /* When the buffer becomes hidden, but is not unloaded, trigger 368 * BufHidden */ 369 if (!unload_buf) 370 { 371 apply_autocmds(EVENT_BUFHIDDEN, buf->b_fname, buf->b_fname, 372 FALSE, buf); 373 if (!buf_valid(buf)) /* autocmds may delete the buffer */ 374 return; 375 } 376 # ifdef FEAT_EVAL 377 if (aborting()) /* autocmds may abort script processing */ 378 return; 379 # endif 380 } 381 nwindows = buf->b_nwindows; 382 #endif 383 384 /* decrease the link count from windows (unless not in any window) */ 385 if (buf->b_nwindows > 0) 386 --buf->b_nwindows; 387 388 /* Return when a window is displaying the buffer or when it's not 389 * unloaded. */ 390 if (buf->b_nwindows > 0 || !unload_buf) 391 { 392 #if 0 /* why was this here? */ 393 if (buf == curbuf) 394 u_sync(); /* sync undo before going to another buffer */ 395 #endif 396 return; 397 } 398 399 /* Always remove the buffer when there is no file name. */ 400 if (buf->b_ffname == NULL) 401 del_buf = TRUE; 402 403 /* 404 * Free all things allocated for this buffer. 405 * Also calls the "BufDelete" autocommands when del_buf is TRUE. 406 */ 407 #ifdef FEAT_AUTOCMD 408 /* Remember if we are closing the current buffer. Restore the number of 409 * windows, so that autocommands in buf_freeall() don't get confused. */ 410 is_curbuf = (buf == curbuf); 411 buf->b_nwindows = nwindows; 412 #endif 413 414 buf_freeall(buf, del_buf, wipe_buf); 415 416 #ifdef FEAT_AUTOCMD 417 /* Autocommands may have deleted the buffer. */ 418 if (!buf_valid(buf)) 419 return; 420 # ifdef FEAT_EVAL 421 if (aborting()) /* autocmds may abort script processing */ 422 return; 423 # endif 424 425 /* Autocommands may have opened or closed windows for this buffer. 426 * Decrement the count for the close we do here. */ 427 if (buf->b_nwindows > 0) 428 --buf->b_nwindows; 429 430 /* 431 * It's possible that autocommands change curbuf to the one being deleted. 432 * This might cause the previous curbuf to be deleted unexpectedly. But 433 * in some cases it's OK to delete the curbuf, because a new one is 434 * obtained anyway. Therefore only return if curbuf changed to the 435 * deleted buffer. 436 */ 437 if (buf == curbuf && !is_curbuf) 438 return; 439 #endif 440 441 /* Change directories when the 'acd' option is set. */ 442 DO_AUTOCHDIR 443 444 /* 445 * Remove the buffer from the list. 446 */ 447 if (wipe_buf) 448 { 449 #ifdef FEAT_SUN_WORKSHOP 450 if (usingSunWorkShop) 451 workshop_file_closed_lineno((char *)buf->b_ffname, 452 (int)buf->b_last_cursor.lnum); 453 #endif 454 vim_free(buf->b_ffname); 455 vim_free(buf->b_sfname); 456 if (buf->b_prev == NULL) 457 firstbuf = buf->b_next; 458 else 459 buf->b_prev->b_next = buf->b_next; 460 if (buf->b_next == NULL) 461 lastbuf = buf->b_prev; 462 else 463 buf->b_next->b_prev = buf->b_prev; 464 free_buffer(buf); 465 } 466 else 467 { 468 if (del_buf) 469 { 470 /* Free all internal variables and reset option values, to make 471 * ":bdel" compatible with Vim 5.7. */ 472 free_buffer_stuff(buf, TRUE); 473 474 /* Make it look like a new buffer. */ 475 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 476 477 /* Init the options when loaded again. */ 478 buf->b_p_initialized = FALSE; 479 } 480 buf_clear_file(buf); 481 if (del_buf) 482 buf->b_p_bl = FALSE; 483 } 484 } 485 486 /* 487 * Make buffer not contain a file. 488 */ 489 void 490 buf_clear_file(buf) 491 buf_T *buf; 492 { 493 buf->b_ml.ml_line_count = 1; 494 unchanged(buf, TRUE); 495 #ifndef SHORT_FNAME 496 buf->b_shortname = FALSE; 497 #endif 498 buf->b_p_eol = TRUE; 499 buf->b_start_eol = TRUE; 500 #ifdef FEAT_MBYTE 501 buf->b_p_bomb = FALSE; 502 buf->b_start_bomb = FALSE; 503 #endif 504 buf->b_ml.ml_mfp = NULL; 505 buf->b_ml.ml_flags = ML_EMPTY; /* empty buffer */ 506 #ifdef FEAT_NETBEANS_INTG 507 netbeans_deleted_all_lines(buf); 508 #endif 509 } 510 511 /* 512 * buf_freeall() - free all things allocated for a buffer that are related to 513 * the file. 514 */ 515 void 516 buf_freeall(buf, del_buf, wipe_buf) 517 buf_T *buf; 518 int del_buf UNUSED; /* buffer is going to be deleted */ 519 int wipe_buf UNUSED; /* buffer is going to be wiped out */ 520 { 521 #ifdef FEAT_AUTOCMD 522 int is_curbuf = (buf == curbuf); 523 524 apply_autocmds(EVENT_BUFUNLOAD, buf->b_fname, buf->b_fname, FALSE, buf); 525 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 526 return; 527 if (del_buf && buf->b_p_bl) 528 { 529 apply_autocmds(EVENT_BUFDELETE, buf->b_fname, buf->b_fname, FALSE, buf); 530 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 531 return; 532 } 533 if (wipe_buf) 534 { 535 apply_autocmds(EVENT_BUFWIPEOUT, buf->b_fname, buf->b_fname, 536 FALSE, buf); 537 if (!buf_valid(buf)) /* autocommands may delete the buffer */ 538 return; 539 } 540 # ifdef FEAT_EVAL 541 if (aborting()) /* autocmds may abort script processing */ 542 return; 543 # endif 544 545 /* 546 * It's possible that autocommands change curbuf to the one being deleted. 547 * This might cause curbuf to be deleted unexpectedly. But in some cases 548 * it's OK to delete the curbuf, because a new one is obtained anyway. 549 * Therefore only return if curbuf changed to the deleted buffer. 550 */ 551 if (buf == curbuf && !is_curbuf) 552 return; 553 #endif 554 #ifdef FEAT_DIFF 555 diff_buf_delete(buf); /* Can't use 'diff' for unloaded buffer. */ 556 #endif 557 558 #ifdef FEAT_FOLDING 559 /* No folds in an empty buffer. */ 560 # ifdef FEAT_WINDOWS 561 { 562 win_T *win; 563 tabpage_T *tp; 564 565 FOR_ALL_TAB_WINDOWS(tp, win) 566 if (win->w_buffer == buf) 567 clearFolding(win); 568 } 569 # else 570 if (curwin->w_buffer == buf) 571 clearFolding(curwin); 572 # endif 573 #endif 574 575 #ifdef FEAT_TCL 576 tcl_buffer_free(buf); 577 #endif 578 u_blockfree(buf); /* free the memory allocated for undo */ 579 ml_close(buf, TRUE); /* close and delete the memline/memfile */ 580 buf->b_ml.ml_line_count = 0; /* no lines in buffer */ 581 u_clearall(buf); /* reset all undo information */ 582 #ifdef FEAT_SYN_HL 583 syntax_clear(buf); /* reset syntax info */ 584 #endif 585 buf->b_flags &= ~BF_READERR; /* a read error is no longer relevant */ 586 } 587 588 /* 589 * Free a buffer structure and the things it contains related to the buffer 590 * itself (not the file, that must have been done already). 591 */ 592 static void 593 free_buffer(buf) 594 buf_T *buf; 595 { 596 free_buffer_stuff(buf, TRUE); 597 #ifdef FEAT_MZSCHEME 598 mzscheme_buffer_free(buf); 599 #endif 600 #ifdef FEAT_PERL 601 perl_buf_free(buf); 602 #endif 603 #ifdef FEAT_PYTHON 604 python_buffer_free(buf); 605 #endif 606 #ifdef FEAT_RUBY 607 ruby_buffer_free(buf); 608 #endif 609 #ifdef FEAT_AUTOCMD 610 aubuflocal_remove(buf); 611 #endif 612 vim_free(buf); 613 } 614 615 /* 616 * Free stuff in the buffer for ":bdel" and when wiping out the buffer. 617 */ 618 static void 619 free_buffer_stuff(buf, free_options) 620 buf_T *buf; 621 int free_options; /* free options as well */ 622 { 623 if (free_options) 624 { 625 clear_wininfo(buf); /* including window-local options */ 626 free_buf_options(buf, TRUE); 627 } 628 #ifdef FEAT_EVAL 629 vars_clear(&buf->b_vars.dv_hashtab); /* free all internal variables */ 630 hash_init(&buf->b_vars.dv_hashtab); 631 #endif 632 #ifdef FEAT_USR_CMDS 633 uc_clear(&buf->b_ucmds); /* clear local user commands */ 634 #endif 635 #ifdef FEAT_SIGNS 636 buf_delete_signs(buf); /* delete any signs */ 637 #endif 638 #ifdef FEAT_NETBEANS_INTG 639 if (usingNetbeans) 640 netbeans_file_killed(buf); 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 #ifdef FEAT_SPELL 651 ga_clear(&buf->b_langp); 652 #endif 653 } 654 655 /* 656 * Free the b_wininfo list for buffer "buf". 657 */ 658 static void 659 clear_wininfo(buf) 660 buf_T *buf; 661 { 662 wininfo_T *wip; 663 664 while (buf->b_wininfo != NULL) 665 { 666 wip = buf->b_wininfo; 667 buf->b_wininfo = wip->wi_next; 668 if (wip->wi_optset) 669 { 670 clear_winopt(&wip->wi_opt); 671 #ifdef FEAT_FOLDING 672 deleteFoldRecurse(&wip->wi_folds); 673 #endif 674 } 675 vim_free(wip); 676 } 677 } 678 679 #if defined(FEAT_LISTCMDS) || defined(PROTO) 680 /* 681 * Go to another buffer. Handles the result of the ATTENTION dialog. 682 */ 683 void 684 goto_buffer(eap, start, dir, count) 685 exarg_T *eap; 686 int start; 687 int dir; 688 int count; 689 { 690 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 691 buf_T *old_curbuf = curbuf; 692 693 swap_exists_action = SEA_DIALOG; 694 # endif 695 (void)do_buffer(*eap->cmd == 's' ? DOBUF_SPLIT : DOBUF_GOTO, 696 start, dir, count, eap->forceit); 697 # if defined(FEAT_WINDOWS) && defined(HAS_SWAP_EXISTS_ACTION) 698 if (swap_exists_action == SEA_QUIT && *eap->cmd == 's') 699 { 700 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 701 cleanup_T cs; 702 703 /* Reset the error/interrupt/exception state here so that 704 * aborting() returns FALSE when closing a window. */ 705 enter_cleanup(&cs); 706 # endif 707 708 /* Quitting means closing the split window, nothing else. */ 709 win_close(curwin, TRUE); 710 swap_exists_action = SEA_NONE; 711 swap_exists_did_quit = TRUE; 712 713 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 714 /* Restore the error/interrupt/exception state if not discarded by a 715 * new aborting error, interrupt, or uncaught exception. */ 716 leave_cleanup(&cs); 717 # endif 718 } 719 else 720 handle_swap_exists(old_curbuf); 721 # endif 722 } 723 #endif 724 725 #if defined(HAS_SWAP_EXISTS_ACTION) || defined(PROTO) 726 /* 727 * Handle the situation of swap_exists_action being set. 728 * It is allowed for "old_curbuf" to be NULL or invalid. 729 */ 730 void 731 handle_swap_exists(old_curbuf) 732 buf_T *old_curbuf; 733 { 734 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 735 cleanup_T cs; 736 # endif 737 738 if (swap_exists_action == SEA_QUIT) 739 { 740 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 741 /* Reset the error/interrupt/exception state here so that 742 * aborting() returns FALSE when closing a buffer. */ 743 enter_cleanup(&cs); 744 # endif 745 746 /* User selected Quit at ATTENTION prompt. Go back to previous 747 * buffer. If that buffer is gone or the same as the current one, 748 * open a new, empty buffer. */ 749 swap_exists_action = SEA_NONE; /* don't want it again */ 750 swap_exists_did_quit = TRUE; 751 close_buffer(curwin, curbuf, DOBUF_UNLOAD); 752 if (!buf_valid(old_curbuf) || old_curbuf == curbuf) 753 old_curbuf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED); 754 if (old_curbuf != NULL) 755 enter_buffer(old_curbuf); 756 /* If "old_curbuf" is NULL we are in big trouble here... */ 757 758 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 759 /* Restore the error/interrupt/exception state if not discarded by a 760 * new aborting error, interrupt, or uncaught exception. */ 761 leave_cleanup(&cs); 762 # endif 763 } 764 else if (swap_exists_action == SEA_RECOVER) 765 { 766 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 767 /* Reset the error/interrupt/exception state here so that 768 * aborting() returns FALSE when closing a buffer. */ 769 enter_cleanup(&cs); 770 # endif 771 772 /* User selected Recover at ATTENTION prompt. */ 773 msg_scroll = TRUE; 774 ml_recover(); 775 MSG_PUTS("\n"); /* don't overwrite the last message */ 776 cmdline_row = msg_row; 777 do_modelines(0); 778 779 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 780 /* Restore the error/interrupt/exception state if not discarded by a 781 * new aborting error, interrupt, or uncaught exception. */ 782 leave_cleanup(&cs); 783 # endif 784 } 785 swap_exists_action = SEA_NONE; 786 } 787 #endif 788 789 #if defined(FEAT_LISTCMDS) || defined(PROTO) 790 /* 791 * do_bufdel() - delete or unload buffer(s) 792 * 793 * addr_count == 0: ":bdel" - delete current buffer 794 * addr_count == 1: ":N bdel" or ":bdel N [N ..]" - first delete 795 * buffer "end_bnr", then any other arguments. 796 * addr_count == 2: ":N,N bdel" - delete buffers in range 797 * 798 * command can be DOBUF_UNLOAD (":bunload"), DOBUF_WIPE (":bwipeout") or 799 * DOBUF_DEL (":bdel") 800 * 801 * Returns error message or NULL 802 */ 803 char_u * 804 do_bufdel(command, arg, addr_count, start_bnr, end_bnr, forceit) 805 int command; 806 char_u *arg; /* pointer to extra arguments */ 807 int addr_count; 808 int start_bnr; /* first buffer number in a range */ 809 int end_bnr; /* buffer nr or last buffer nr in a range */ 810 int forceit; 811 { 812 int do_current = 0; /* delete current buffer? */ 813 int deleted = 0; /* number of buffers deleted */ 814 char_u *errormsg = NULL; /* return value */ 815 int bnr; /* buffer number */ 816 char_u *p; 817 818 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 } 911 912 913 return errormsg; 914 } 915 916 /* 917 * Implementation of the commands for the buffer list. 918 * 919 * action == DOBUF_GOTO go to specified buffer 920 * action == DOBUF_SPLIT split window and go to specified buffer 921 * action == DOBUF_UNLOAD unload specified buffer(s) 922 * action == DOBUF_DEL delete specified buffer(s) from buffer list 923 * action == DOBUF_WIPE delete specified buffer(s) really 924 * 925 * start == DOBUF_CURRENT go to "count" buffer from current buffer 926 * start == DOBUF_FIRST go to "count" buffer from first buffer 927 * start == DOBUF_LAST go to "count" buffer from last buffer 928 * start == DOBUF_MOD go to "count" modified buffer from current buffer 929 * 930 * Return FAIL or OK. 931 */ 932 int 933 do_buffer(action, start, dir, count, forceit) 934 int action; 935 int start; 936 int dir; /* FORWARD or BACKWARD */ 937 int count; /* buffer number or number of buffers */ 938 int forceit; /* TRUE for :...! */ 939 { 940 buf_T *buf; 941 buf_T *bp; 942 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 943 || action == DOBUF_WIPE); 944 945 switch (start) 946 { 947 case DOBUF_FIRST: buf = firstbuf; break; 948 case DOBUF_LAST: buf = lastbuf; break; 949 default: buf = curbuf; break; 950 } 951 if (start == DOBUF_MOD) /* find next modified buffer */ 952 { 953 while (count-- > 0) 954 { 955 do 956 { 957 buf = buf->b_next; 958 if (buf == NULL) 959 buf = firstbuf; 960 } 961 while (buf != curbuf && !bufIsChanged(buf)); 962 } 963 if (!bufIsChanged(buf)) 964 { 965 EMSG(_("E84: No modified buffer found")); 966 return FAIL; 967 } 968 } 969 else if (start == DOBUF_FIRST && count) /* find specified buffer number */ 970 { 971 while (buf != NULL && buf->b_fnum != count) 972 buf = buf->b_next; 973 } 974 else 975 { 976 bp = NULL; 977 while (count > 0 || (!unload && !buf->b_p_bl && bp != buf)) 978 { 979 /* remember the buffer where we start, we come back there when all 980 * buffers are unlisted. */ 981 if (bp == NULL) 982 bp = buf; 983 if (dir == FORWARD) 984 { 985 buf = buf->b_next; 986 if (buf == NULL) 987 buf = firstbuf; 988 } 989 else 990 { 991 buf = buf->b_prev; 992 if (buf == NULL) 993 buf = lastbuf; 994 } 995 /* don't count unlisted buffers */ 996 if (unload || buf->b_p_bl) 997 { 998 --count; 999 bp = NULL; /* use this buffer as new starting point */ 1000 } 1001 if (bp == buf) 1002 { 1003 /* back where we started, didn't find anything. */ 1004 EMSG(_("E85: There is no listed buffer")); 1005 return FAIL; 1006 } 1007 } 1008 } 1009 1010 if (buf == NULL) /* could not find it */ 1011 { 1012 if (start == DOBUF_FIRST) 1013 { 1014 /* don't warn when deleting */ 1015 if (!unload) 1016 EMSGN(_("E86: Buffer %ld does not exist"), count); 1017 } 1018 else if (dir == FORWARD) 1019 EMSG(_("E87: Cannot go beyond last buffer")); 1020 else 1021 EMSG(_("E88: Cannot go before first buffer")); 1022 return FAIL; 1023 } 1024 1025 #ifdef FEAT_GUI 1026 need_mouse_correct = TRUE; 1027 #endif 1028 1029 #ifdef FEAT_LISTCMDS 1030 /* 1031 * delete buffer buf from memory and/or the list 1032 */ 1033 if (unload) 1034 { 1035 int forward; 1036 int retval; 1037 1038 /* When unloading or deleting a buffer that's already unloaded and 1039 * unlisted: fail silently. */ 1040 if (action != DOBUF_WIPE && buf->b_ml.ml_mfp == NULL && !buf->b_p_bl) 1041 return FAIL; 1042 1043 if (!forceit && bufIsChanged(buf)) 1044 { 1045 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1046 if ((p_confirm || cmdmod.confirm) && p_write) 1047 { 1048 dialog_changed(buf, FALSE); 1049 # ifdef FEAT_AUTOCMD 1050 if (!buf_valid(buf)) 1051 /* Autocommand deleted buffer, oops! It's not changed 1052 * now. */ 1053 return FAIL; 1054 # endif 1055 /* If it's still changed fail silently, the dialog already 1056 * mentioned why it fails. */ 1057 if (bufIsChanged(buf)) 1058 return FAIL; 1059 } 1060 else 1061 #endif 1062 { 1063 EMSGN(_("E89: No write since last change for buffer %ld (add ! to override)"), 1064 buf->b_fnum); 1065 return FAIL; 1066 } 1067 } 1068 1069 /* 1070 * If deleting the last (listed) buffer, make it empty. 1071 * The last (listed) buffer cannot be unloaded. 1072 */ 1073 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 1074 if (bp->b_p_bl && bp != buf) 1075 break; 1076 if (bp == NULL && buf == curbuf) 1077 { 1078 if (action == DOBUF_UNLOAD) 1079 { 1080 EMSG(_("E90: Cannot unload last buffer")); 1081 return FAIL; 1082 } 1083 1084 /* Close any other windows on this buffer, then make it empty. */ 1085 #ifdef FEAT_WINDOWS 1086 close_windows(buf, TRUE); 1087 #endif 1088 setpcmark(); 1089 retval = do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, 1090 forceit ? ECMD_FORCEIT : 0, curwin); 1091 1092 /* 1093 * do_ecmd() may create a new buffer, then we have to delete 1094 * the old one. But do_ecmd() may have done that already, check 1095 * if the buffer still exists. 1096 */ 1097 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows == 0) 1098 close_buffer(NULL, buf, action); 1099 return retval; 1100 } 1101 1102 #ifdef FEAT_WINDOWS 1103 /* 1104 * If the deleted buffer is the current one, close the current window 1105 * (unless it's the only window). Repeat this so long as we end up in 1106 * a window with this buffer. 1107 */ 1108 while (buf == curbuf 1109 && (firstwin != lastwin || first_tabpage->tp_next != NULL)) 1110 win_close(curwin, FALSE); 1111 #endif 1112 1113 /* 1114 * If the buffer to be deleted is not the current one, delete it here. 1115 */ 1116 if (buf != curbuf) 1117 { 1118 #ifdef FEAT_WINDOWS 1119 close_windows(buf, FALSE); 1120 #endif 1121 if (buf != curbuf && buf_valid(buf) && buf->b_nwindows <= 0) 1122 close_buffer(NULL, buf, action); 1123 return OK; 1124 } 1125 1126 /* 1127 * Deleting the current buffer: Need to find another buffer to go to. 1128 * There must be another, otherwise it would have been handled above. 1129 * First use au_new_curbuf, if it is valid. 1130 * Then prefer the buffer we most recently visited. 1131 * Else try to find one that is loaded, after the current buffer, 1132 * then before the current buffer. 1133 * Finally use any buffer. 1134 */ 1135 buf = NULL; /* selected buffer */ 1136 bp = NULL; /* used when no loaded buffer found */ 1137 #ifdef FEAT_AUTOCMD 1138 if (au_new_curbuf != NULL && buf_valid(au_new_curbuf)) 1139 buf = au_new_curbuf; 1140 # ifdef FEAT_JUMPLIST 1141 else 1142 # endif 1143 #endif 1144 #ifdef FEAT_JUMPLIST 1145 if (curwin->w_jumplistlen > 0) 1146 { 1147 int jumpidx; 1148 1149 jumpidx = curwin->w_jumplistidx - 1; 1150 if (jumpidx < 0) 1151 jumpidx = curwin->w_jumplistlen - 1; 1152 1153 forward = jumpidx; 1154 while (jumpidx != curwin->w_jumplistidx) 1155 { 1156 buf = buflist_findnr(curwin->w_jumplist[jumpidx].fmark.fnum); 1157 if (buf != NULL) 1158 { 1159 if (buf == curbuf || !buf->b_p_bl) 1160 buf = NULL; /* skip current and unlisted bufs */ 1161 else if (buf->b_ml.ml_mfp == NULL) 1162 { 1163 /* skip unloaded buf, but may keep it for later */ 1164 if (bp == NULL) 1165 bp = buf; 1166 buf = NULL; 1167 } 1168 } 1169 if (buf != NULL) /* found a valid buffer: stop searching */ 1170 break; 1171 /* advance to older entry in jump list */ 1172 if (!jumpidx && curwin->w_jumplistidx == curwin->w_jumplistlen) 1173 break; 1174 if (--jumpidx < 0) 1175 jumpidx = curwin->w_jumplistlen - 1; 1176 if (jumpidx == forward) /* List exhausted for sure */ 1177 break; 1178 } 1179 } 1180 #endif 1181 1182 if (buf == NULL) /* No previous buffer, Try 2'nd approach */ 1183 { 1184 forward = TRUE; 1185 buf = curbuf->b_next; 1186 for (;;) 1187 { 1188 if (buf == NULL) 1189 { 1190 if (!forward) /* tried both directions */ 1191 break; 1192 buf = curbuf->b_prev; 1193 forward = FALSE; 1194 continue; 1195 } 1196 /* in non-help buffer, try to skip help buffers, and vv */ 1197 if (buf->b_help == curbuf->b_help && buf->b_p_bl) 1198 { 1199 if (buf->b_ml.ml_mfp != NULL) /* found loaded buffer */ 1200 break; 1201 if (bp == NULL) /* remember unloaded buf for later */ 1202 bp = buf; 1203 } 1204 if (forward) 1205 buf = buf->b_next; 1206 else 1207 buf = buf->b_prev; 1208 } 1209 } 1210 if (buf == NULL) /* No loaded buffer, use unloaded one */ 1211 buf = bp; 1212 if (buf == NULL) /* No loaded buffer, find listed one */ 1213 { 1214 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 1215 if (buf->b_p_bl && buf != curbuf) 1216 break; 1217 } 1218 if (buf == NULL) /* Still no buffer, just take one */ 1219 { 1220 if (curbuf->b_next != NULL) 1221 buf = curbuf->b_next; 1222 else 1223 buf = curbuf->b_prev; 1224 } 1225 } 1226 1227 /* 1228 * make buf current buffer 1229 */ 1230 if (action == DOBUF_SPLIT) /* split window first */ 1231 { 1232 # ifdef FEAT_WINDOWS 1233 /* If 'switchbuf' contains "useopen": jump to first window containing 1234 * "buf" if one exists */ 1235 if ((swb_flags & SWB_USEOPEN) && buf_jump_open_win(buf)) 1236 return OK; 1237 /* If 'switchbuf' contains "usetab": jump to first window in any tab 1238 * page containing "buf" if one exists */ 1239 if ((swb_flags & SWB_USETAB) && buf_jump_open_tab(buf)) 1240 return OK; 1241 if (win_split(0, 0) == FAIL) 1242 # endif 1243 return FAIL; 1244 } 1245 #endif 1246 1247 /* go to current buffer - nothing to do */ 1248 if (buf == curbuf) 1249 return OK; 1250 1251 /* 1252 * Check if the current buffer may be abandoned. 1253 */ 1254 if (action == DOBUF_GOTO && !can_abandon(curbuf, forceit)) 1255 { 1256 #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) 1257 if ((p_confirm || cmdmod.confirm) && p_write) 1258 { 1259 dialog_changed(curbuf, FALSE); 1260 # ifdef FEAT_AUTOCMD 1261 if (!buf_valid(buf)) 1262 /* Autocommand deleted buffer, oops! */ 1263 return FAIL; 1264 # endif 1265 } 1266 if (bufIsChanged(curbuf)) 1267 #endif 1268 { 1269 EMSG(_(e_nowrtmsg)); 1270 return FAIL; 1271 } 1272 } 1273 1274 /* Go to the other buffer. */ 1275 set_curbuf(buf, action); 1276 1277 #if defined(FEAT_LISTCMDS) && defined(FEAT_SCROLLBIND) 1278 if (action == DOBUF_SPLIT) 1279 curwin->w_p_scb = FALSE; /* reset 'scrollbind' */ 1280 #endif 1281 1282 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1283 if (aborting()) /* autocmds may abort script processing */ 1284 return FAIL; 1285 #endif 1286 1287 return OK; 1288 } 1289 1290 #endif /* FEAT_LISTCMDS */ 1291 1292 /* 1293 * Set current buffer to "buf". Executes autocommands and closes current 1294 * buffer. "action" tells how to close the current buffer: 1295 * DOBUF_GOTO free or hide it 1296 * DOBUF_SPLIT nothing 1297 * DOBUF_UNLOAD unload it 1298 * DOBUF_DEL delete it 1299 * DOBUF_WIPE wipe it out 1300 */ 1301 void 1302 set_curbuf(buf, action) 1303 buf_T *buf; 1304 int action; 1305 { 1306 buf_T *prevbuf; 1307 int unload = (action == DOBUF_UNLOAD || action == DOBUF_DEL 1308 || action == DOBUF_WIPE); 1309 1310 setpcmark(); 1311 if (!cmdmod.keepalt) 1312 curwin->w_alt_fnum = curbuf->b_fnum; /* remember alternate file */ 1313 buflist_altfpos(curwin); /* remember curpos */ 1314 1315 #ifdef FEAT_VISUAL 1316 /* Don't restart Select mode after switching to another buffer. */ 1317 VIsual_reselect = FALSE; 1318 #endif 1319 1320 /* close_windows() or apply_autocmds() may change curbuf */ 1321 prevbuf = curbuf; 1322 1323 #ifdef FEAT_AUTOCMD 1324 apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); 1325 # ifdef FEAT_EVAL 1326 if (buf_valid(prevbuf) && !aborting()) 1327 # else 1328 if (buf_valid(prevbuf)) 1329 # endif 1330 #endif 1331 { 1332 #ifdef FEAT_WINDOWS 1333 if (unload) 1334 close_windows(prevbuf, FALSE); 1335 #endif 1336 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1337 if (buf_valid(prevbuf) && !aborting()) 1338 #else 1339 if (buf_valid(prevbuf)) 1340 #endif 1341 { 1342 if (prevbuf == curbuf) 1343 u_sync(FALSE); 1344 close_buffer(prevbuf == curwin->w_buffer ? curwin : NULL, prevbuf, 1345 unload ? action : (action == DOBUF_GOTO 1346 && !P_HID(prevbuf) 1347 && !bufIsChanged(prevbuf)) ? DOBUF_UNLOAD : 0); 1348 } 1349 } 1350 #ifdef FEAT_AUTOCMD 1351 /* An autocommand may have deleted "buf", already entered it (e.g., when 1352 * it did ":bunload") or aborted the script processing! */ 1353 # ifdef FEAT_EVAL 1354 if (buf_valid(buf) && buf != curbuf && !aborting()) 1355 # else 1356 if (buf_valid(buf) && buf != curbuf) 1357 # endif 1358 #endif 1359 enter_buffer(buf); 1360 } 1361 1362 /* 1363 * Enter a new current buffer. 1364 * Old curbuf must have been abandoned already! 1365 */ 1366 void 1367 enter_buffer(buf) 1368 buf_T *buf; 1369 { 1370 /* Copy buffer and window local option values. Not for a help buffer. */ 1371 buf_copy_options(buf, BCO_ENTER | BCO_NOHELP); 1372 if (!buf->b_help) 1373 get_winopts(buf); 1374 #ifdef FEAT_FOLDING 1375 else 1376 /* Remove all folds in the window. */ 1377 clearFolding(curwin); 1378 foldUpdateAll(curwin); /* update folds (later). */ 1379 #endif 1380 1381 /* Get the buffer in the current window. */ 1382 curwin->w_buffer = buf; 1383 curbuf = buf; 1384 ++curbuf->b_nwindows; 1385 1386 #ifdef FEAT_DIFF 1387 if (curwin->w_p_diff) 1388 diff_buf_add(curbuf); 1389 #endif 1390 1391 /* Cursor on first line by default. */ 1392 curwin->w_cursor.lnum = 1; 1393 curwin->w_cursor.col = 0; 1394 #ifdef FEAT_VIRTUALEDIT 1395 curwin->w_cursor.coladd = 0; 1396 #endif 1397 curwin->w_set_curswant = TRUE; 1398 #ifdef FEAT_AUTOCMD 1399 curwin->w_topline_was_set = FALSE; 1400 #endif 1401 1402 /* mark cursor position as being invalid */ 1403 curwin->w_valid = 0; 1404 1405 /* Make sure the buffer is loaded. */ 1406 if (curbuf->b_ml.ml_mfp == NULL) /* need to load the file */ 1407 { 1408 #ifdef FEAT_AUTOCMD 1409 /* If there is no filetype, allow for detecting one. Esp. useful for 1410 * ":ball" used in a autocommand. If there already is a filetype we 1411 * might prefer to keep it. */ 1412 if (*curbuf->b_p_ft == NUL) 1413 did_filetype = FALSE; 1414 #endif 1415 1416 open_buffer(FALSE, NULL); 1417 } 1418 else 1419 { 1420 if (!msg_silent) 1421 need_fileinfo = TRUE; /* display file info after redraw */ 1422 (void)buf_check_timestamp(curbuf, FALSE); /* check if file changed */ 1423 #ifdef FEAT_AUTOCMD 1424 curwin->w_topline = 1; 1425 # ifdef FEAT_DIFF 1426 curwin->w_topfill = 0; 1427 # endif 1428 apply_autocmds(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf); 1429 apply_autocmds(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf); 1430 #endif 1431 } 1432 1433 /* If autocommands did not change the cursor position, restore cursor lnum 1434 * and possibly cursor col. */ 1435 if (curwin->w_cursor.lnum == 1 && inindent(0)) 1436 buflist_getfpos(); 1437 1438 check_arg_idx(curwin); /* check for valid arg_idx */ 1439 #ifdef FEAT_TITLE 1440 maketitle(); 1441 #endif 1442 #ifdef FEAT_AUTOCMD 1443 /* when autocmds didn't change it */ 1444 if (curwin->w_topline == 1 && !curwin->w_topline_was_set) 1445 #endif 1446 scroll_cursor_halfway(FALSE); /* redisplay at correct position */ 1447 1448 #ifdef FEAT_NETBEANS_INTG 1449 /* Send fileOpened event because we've changed buffers. */ 1450 if (usingNetbeans && isNetbeansBuffer(curbuf)) 1451 netbeans_file_activated(curbuf); 1452 #endif 1453 1454 /* Change directories when the 'acd' option is set. */ 1455 DO_AUTOCHDIR 1456 1457 #ifdef FEAT_KEYMAP 1458 if (curbuf->b_kmap_state & KEYMAP_INIT) 1459 (void)keymap_init(); 1460 #endif 1461 #ifdef FEAT_SPELL 1462 /* May need to set the spell language. Can only do this after the buffer 1463 * has been properly setup. */ 1464 if (!curbuf->b_help && curwin->w_p_spell && *curbuf->b_p_spl != NUL) 1465 (void)did_set_spelllang(curbuf); 1466 #endif 1467 1468 redraw_later(NOT_VALID); 1469 } 1470 1471 #if defined(FEAT_AUTOCHDIR) || defined(PROTO) 1472 /* 1473 * Change to the directory of the current buffer. 1474 */ 1475 void 1476 do_autochdir() 1477 { 1478 if (curbuf->b_ffname != NULL && vim_chdirfile(curbuf->b_ffname) == OK) 1479 shorten_fnames(TRUE); 1480 } 1481 #endif 1482 1483 /* 1484 * functions for dealing with the buffer list 1485 */ 1486 1487 /* 1488 * Add a file name to the buffer list. Return a pointer to the buffer. 1489 * If the same file name already exists return a pointer to that buffer. 1490 * If it does not exist, or if fname == NULL, a new entry is created. 1491 * If (flags & BLN_CURBUF) is TRUE, may use current buffer. 1492 * If (flags & BLN_LISTED) is TRUE, add new buffer to buffer list. 1493 * If (flags & BLN_DUMMY) is TRUE, don't count it as a real buffer. 1494 * This is the ONLY way to create a new buffer. 1495 */ 1496 static int top_file_num = 1; /* highest file number */ 1497 1498 buf_T * 1499 buflist_new(ffname, sfname, lnum, flags) 1500 char_u *ffname; /* full path of fname or relative */ 1501 char_u *sfname; /* short fname or NULL */ 1502 linenr_T lnum; /* preferred cursor line */ 1503 int flags; /* BLN_ defines */ 1504 { 1505 buf_T *buf; 1506 #ifdef UNIX 1507 struct stat st; 1508 #endif 1509 1510 fname_expand(curbuf, &ffname, &sfname); /* will allocate ffname */ 1511 1512 /* 1513 * If file name already exists in the list, update the entry. 1514 */ 1515 #ifdef UNIX 1516 /* On Unix we can use inode numbers when the file exists. Works better 1517 * for hard links. */ 1518 if (sfname == NULL || mch_stat((char *)sfname, &st) < 0) 1519 st.st_dev = (dev_T)-1; 1520 #endif 1521 if (ffname != NULL && !(flags & BLN_DUMMY) && (buf = 1522 #ifdef UNIX 1523 buflist_findname_stat(ffname, &st) 1524 #else 1525 buflist_findname(ffname) 1526 #endif 1527 ) != NULL) 1528 { 1529 vim_free(ffname); 1530 if (lnum != 0) 1531 buflist_setfpos(buf, curwin, lnum, (colnr_T)0, FALSE); 1532 /* copy the options now, if 'cpo' doesn't have 's' and not done 1533 * already */ 1534 buf_copy_options(buf, 0); 1535 if ((flags & BLN_LISTED) && !buf->b_p_bl) 1536 { 1537 buf->b_p_bl = TRUE; 1538 #ifdef FEAT_AUTOCMD 1539 if (!(flags & BLN_DUMMY)) 1540 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1541 #endif 1542 } 1543 return buf; 1544 } 1545 1546 /* 1547 * If the current buffer has no name and no contents, use the current 1548 * buffer. Otherwise: Need to allocate a new buffer structure. 1549 * 1550 * This is the ONLY place where a new buffer structure is allocated! 1551 * (A spell file buffer is allocated in spell.c, but that's not a normal 1552 * buffer.) 1553 */ 1554 buf = NULL; 1555 if ((flags & BLN_CURBUF) 1556 && curbuf != NULL 1557 && curbuf->b_ffname == NULL 1558 && curbuf->b_nwindows <= 1 1559 && (curbuf->b_ml.ml_mfp == NULL || bufempty())) 1560 { 1561 buf = curbuf; 1562 #ifdef FEAT_AUTOCMD 1563 /* It's like this buffer is deleted. Watch out for autocommands that 1564 * change curbuf! If that happens, allocate a new buffer anyway. */ 1565 if (curbuf->b_p_bl) 1566 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 1567 if (buf == curbuf) 1568 apply_autocmds(EVENT_BUFWIPEOUT, NULL, NULL, FALSE, curbuf); 1569 # ifdef FEAT_EVAL 1570 if (aborting()) /* autocmds may abort script processing */ 1571 return NULL; 1572 # endif 1573 #endif 1574 #ifdef FEAT_QUICKFIX 1575 # ifdef FEAT_AUTOCMD 1576 if (buf == curbuf) 1577 # endif 1578 { 1579 /* Make sure 'bufhidden' and 'buftype' are empty */ 1580 clear_string_option(&buf->b_p_bh); 1581 clear_string_option(&buf->b_p_bt); 1582 } 1583 #endif 1584 } 1585 if (buf != curbuf || curbuf == NULL) 1586 { 1587 buf = (buf_T *)alloc_clear((unsigned)sizeof(buf_T)); 1588 if (buf == NULL) 1589 { 1590 vim_free(ffname); 1591 return NULL; 1592 } 1593 } 1594 1595 if (ffname != NULL) 1596 { 1597 buf->b_ffname = ffname; 1598 buf->b_sfname = vim_strsave(sfname); 1599 } 1600 1601 clear_wininfo(buf); 1602 buf->b_wininfo = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 1603 1604 if ((ffname != NULL && (buf->b_ffname == NULL || buf->b_sfname == NULL)) 1605 || buf->b_wininfo == NULL) 1606 { 1607 vim_free(buf->b_ffname); 1608 buf->b_ffname = NULL; 1609 vim_free(buf->b_sfname); 1610 buf->b_sfname = NULL; 1611 if (buf != curbuf) 1612 free_buffer(buf); 1613 return NULL; 1614 } 1615 1616 if (buf == curbuf) 1617 { 1618 /* free all things allocated for this buffer */ 1619 buf_freeall(buf, FALSE, FALSE); 1620 if (buf != curbuf) /* autocommands deleted the buffer! */ 1621 return NULL; 1622 #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 1623 if (aborting()) /* autocmds may abort script processing */ 1624 return NULL; 1625 #endif 1626 /* buf->b_nwindows = 0; why was this here? */ 1627 free_buffer_stuff(buf, FALSE); /* delete local variables et al. */ 1628 #ifdef FEAT_KEYMAP 1629 /* need to reload lmaps and set b:keymap_name */ 1630 curbuf->b_kmap_state |= KEYMAP_INIT; 1631 #endif 1632 } 1633 else 1634 { 1635 /* 1636 * put new buffer at the end of the buffer list 1637 */ 1638 buf->b_next = NULL; 1639 if (firstbuf == NULL) /* buffer list is empty */ 1640 { 1641 buf->b_prev = NULL; 1642 firstbuf = buf; 1643 } 1644 else /* append new buffer at end of list */ 1645 { 1646 lastbuf->b_next = buf; 1647 buf->b_prev = lastbuf; 1648 } 1649 lastbuf = buf; 1650 1651 buf->b_fnum = top_file_num++; 1652 if (top_file_num < 0) /* wrap around (may cause duplicates) */ 1653 { 1654 EMSG(_("W14: Warning: List of file names overflow")); 1655 if (emsg_silent == 0) 1656 { 1657 out_flush(); 1658 ui_delay(3000L, TRUE); /* make sure it is noticed */ 1659 } 1660 top_file_num = 1; 1661 } 1662 1663 /* 1664 * Always copy the options from the current buffer. 1665 */ 1666 buf_copy_options(buf, BCO_ALWAYS); 1667 } 1668 1669 buf->b_wininfo->wi_fpos.lnum = lnum; 1670 buf->b_wininfo->wi_win = curwin; 1671 1672 #ifdef FEAT_EVAL 1673 init_var_dict(&buf->b_vars, &buf->b_bufvar); /* init b: variables */ 1674 #endif 1675 #ifdef FEAT_SYN_HL 1676 hash_init(&buf->b_keywtab); 1677 hash_init(&buf->b_keywtab_ic); 1678 #endif 1679 1680 buf->b_fname = buf->b_sfname; 1681 #ifdef UNIX 1682 if (st.st_dev == (dev_T)-1) 1683 buf->b_dev_valid = FALSE; 1684 else 1685 { 1686 buf->b_dev_valid = TRUE; 1687 buf->b_dev = st.st_dev; 1688 buf->b_ino = st.st_ino; 1689 } 1690 #endif 1691 buf->b_u_synced = TRUE; 1692 buf->b_flags = BF_CHECK_RO | BF_NEVERLOADED; 1693 if (flags & BLN_DUMMY) 1694 buf->b_flags |= BF_DUMMY; 1695 buf_clear_file(buf); 1696 clrallmarks(buf); /* clear marks */ 1697 fmarks_check_names(buf); /* check file marks for this file */ 1698 buf->b_p_bl = (flags & BLN_LISTED) ? TRUE : FALSE; /* init 'buflisted' */ 1699 #ifdef FEAT_AUTOCMD 1700 if (!(flags & BLN_DUMMY)) 1701 { 1702 apply_autocmds(EVENT_BUFNEW, NULL, NULL, FALSE, buf); 1703 if (flags & BLN_LISTED) 1704 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, buf); 1705 # ifdef FEAT_EVAL 1706 if (aborting()) /* autocmds may abort script processing */ 1707 return NULL; 1708 # endif 1709 } 1710 #endif 1711 1712 return buf; 1713 } 1714 1715 /* 1716 * Free the memory for the options of a buffer. 1717 * If "free_p_ff" is TRUE also free 'fileformat', 'buftype' and 1718 * 'fileencoding'. 1719 */ 1720 void 1721 free_buf_options(buf, free_p_ff) 1722 buf_T *buf; 1723 int free_p_ff; 1724 { 1725 if (free_p_ff) 1726 { 1727 #ifdef FEAT_MBYTE 1728 clear_string_option(&buf->b_p_fenc); 1729 #endif 1730 clear_string_option(&buf->b_p_ff); 1731 #ifdef FEAT_QUICKFIX 1732 clear_string_option(&buf->b_p_bh); 1733 clear_string_option(&buf->b_p_bt); 1734 #endif 1735 } 1736 #ifdef FEAT_FIND_ID 1737 clear_string_option(&buf->b_p_def); 1738 clear_string_option(&buf->b_p_inc); 1739 # ifdef FEAT_EVAL 1740 clear_string_option(&buf->b_p_inex); 1741 # endif 1742 #endif 1743 #if defined(FEAT_CINDENT) && defined(FEAT_EVAL) 1744 clear_string_option(&buf->b_p_inde); 1745 clear_string_option(&buf->b_p_indk); 1746 #endif 1747 #if defined(FEAT_BEVAL) && defined(FEAT_EVAL) 1748 clear_string_option(&buf->b_p_bexpr); 1749 #endif 1750 #if defined(FEAT_EVAL) 1751 clear_string_option(&buf->b_p_fex); 1752 #endif 1753 #ifdef FEAT_CRYPT 1754 clear_string_option(&buf->b_p_key); 1755 #endif 1756 clear_string_option(&buf->b_p_kp); 1757 clear_string_option(&buf->b_p_mps); 1758 clear_string_option(&buf->b_p_fo); 1759 clear_string_option(&buf->b_p_flp); 1760 clear_string_option(&buf->b_p_isk); 1761 #ifdef FEAT_KEYMAP 1762 clear_string_option(&buf->b_p_keymap); 1763 ga_clear(&buf->b_kmap_ga); 1764 #endif 1765 #ifdef FEAT_COMMENTS 1766 clear_string_option(&buf->b_p_com); 1767 #endif 1768 #ifdef FEAT_FOLDING 1769 clear_string_option(&buf->b_p_cms); 1770 #endif 1771 clear_string_option(&buf->b_p_nf); 1772 #ifdef FEAT_SYN_HL 1773 clear_string_option(&buf->b_p_syn); 1774 #endif 1775 #ifdef FEAT_SPELL 1776 clear_string_option(&buf->b_p_spc); 1777 clear_string_option(&buf->b_p_spf); 1778 vim_free(buf->b_cap_prog); 1779 buf->b_cap_prog = NULL; 1780 clear_string_option(&buf->b_p_spl); 1781 #endif 1782 #ifdef FEAT_SEARCHPATH 1783 clear_string_option(&buf->b_p_sua); 1784 #endif 1785 #ifdef FEAT_AUTOCMD 1786 clear_string_option(&buf->b_p_ft); 1787 #endif 1788 #ifdef FEAT_OSFILETYPE 1789 clear_string_option(&buf->b_p_oft); 1790 #endif 1791 #ifdef FEAT_CINDENT 1792 clear_string_option(&buf->b_p_cink); 1793 clear_string_option(&buf->b_p_cino); 1794 #endif 1795 #if defined(FEAT_CINDENT) || defined(FEAT_SMARTINDENT) 1796 clear_string_option(&buf->b_p_cinw); 1797 #endif 1798 #ifdef FEAT_INS_EXPAND 1799 clear_string_option(&buf->b_p_cpt); 1800 #endif 1801 #ifdef FEAT_COMPL_FUNC 1802 clear_string_option(&buf->b_p_cfu); 1803 clear_string_option(&buf->b_p_ofu); 1804 #endif 1805 #ifdef FEAT_QUICKFIX 1806 clear_string_option(&buf->b_p_gp); 1807 clear_string_option(&buf->b_p_mp); 1808 clear_string_option(&buf->b_p_efm); 1809 #endif 1810 clear_string_option(&buf->b_p_ep); 1811 clear_string_option(&buf->b_p_path); 1812 clear_string_option(&buf->b_p_tags); 1813 #ifdef FEAT_INS_EXPAND 1814 clear_string_option(&buf->b_p_dict); 1815 clear_string_option(&buf->b_p_tsr); 1816 #endif 1817 #ifdef FEAT_TEXTOBJ 1818 clear_string_option(&buf->b_p_qe); 1819 #endif 1820 buf->b_p_ar = -1; 1821 } 1822 1823 /* 1824 * get alternate file n 1825 * set linenr to lnum or altfpos.lnum if lnum == 0 1826 * also set cursor column to altfpos.col if 'startofline' is not set. 1827 * if (options & GETF_SETMARK) call setpcmark() 1828 * if (options & GETF_ALT) we are jumping to an alternate file. 1829 * if (options & GETF_SWITCH) respect 'switchbuf' settings when jumping 1830 * 1831 * return FAIL for failure, OK for success 1832 */ 1833 int 1834 buflist_getfile(n, lnum, options, forceit) 1835 int n; 1836 linenr_T lnum; 1837 int options; 1838 int forceit; 1839 { 1840 buf_T *buf; 1841 #ifdef FEAT_WINDOWS 1842 win_T *wp = NULL; 1843 #endif 1844 pos_T *fpos; 1845 colnr_T col; 1846 1847 buf = buflist_findnr(n); 1848 if (buf == NULL) 1849 { 1850 if ((options & GETF_ALT) && n == 0) 1851 EMSG(_(e_noalt)); 1852 else 1853 EMSGN(_("E92: Buffer %ld not found"), n); 1854 return FAIL; 1855 } 1856 1857 /* if alternate file is the current buffer, nothing to do */ 1858 if (buf == curbuf) 1859 return OK; 1860 1861 if (text_locked()) 1862 { 1863 text_locked_msg(); 1864 return FAIL; 1865 } 1866 #ifdef FEAT_AUTOCMD 1867 if (curbuf_locked()) 1868 return FAIL; 1869 #endif 1870 1871 /* altfpos may be changed by getfile(), get it now */ 1872 if (lnum == 0) 1873 { 1874 fpos = buflist_findfpos(buf); 1875 lnum = fpos->lnum; 1876 col = fpos->col; 1877 } 1878 else 1879 col = 0; 1880 1881 #ifdef FEAT_WINDOWS 1882 if (options & GETF_SWITCH) 1883 { 1884 /* If 'switchbuf' contains "useopen": jump to first window containing 1885 * "buf" if one exists */ 1886 if (swb_flags & SWB_USEOPEN) 1887 wp = buf_jump_open_win(buf); 1888 /* If 'switchbuf' contians "usetab": jump to first window in any tab 1889 * page containing "buf" if one exists */ 1890 if (wp == NULL && (swb_flags & SWB_USETAB)) 1891 wp = buf_jump_open_tab(buf); 1892 /* If 'switchbuf' contains "split" or "newtab" and the current buffer 1893 * isn't empty: open new window */ 1894 if (wp == NULL && (swb_flags & (SWB_SPLIT | SWB_NEWTAB)) && !bufempty()) 1895 { 1896 if (swb_flags & SWB_NEWTAB) /* Open in a new tab */ 1897 tabpage_new(); 1898 else if (win_split(0, 0) == FAIL) /* Open in a new window */ 1899 return FAIL; 1900 # ifdef FEAT_SCROLLBIND 1901 curwin->w_p_scb = FALSE; 1902 # endif 1903 } 1904 } 1905 #endif 1906 1907 ++RedrawingDisabled; 1908 if (getfile(buf->b_fnum, NULL, NULL, (options & GETF_SETMARK), 1909 lnum, forceit) <= 0) 1910 { 1911 --RedrawingDisabled; 1912 1913 /* cursor is at to BOL and w_cursor.lnum is checked due to getfile() */ 1914 if (!p_sol && col != 0) 1915 { 1916 curwin->w_cursor.col = col; 1917 check_cursor_col(); 1918 #ifdef FEAT_VIRTUALEDIT 1919 curwin->w_cursor.coladd = 0; 1920 #endif 1921 curwin->w_set_curswant = TRUE; 1922 } 1923 return OK; 1924 } 1925 --RedrawingDisabled; 1926 return FAIL; 1927 } 1928 1929 /* 1930 * go to the last know line number for the current buffer 1931 */ 1932 void 1933 buflist_getfpos() 1934 { 1935 pos_T *fpos; 1936 1937 fpos = buflist_findfpos(curbuf); 1938 1939 curwin->w_cursor.lnum = fpos->lnum; 1940 check_cursor_lnum(); 1941 1942 if (p_sol) 1943 curwin->w_cursor.col = 0; 1944 else 1945 { 1946 curwin->w_cursor.col = fpos->col; 1947 check_cursor_col(); 1948 #ifdef FEAT_VIRTUALEDIT 1949 curwin->w_cursor.coladd = 0; 1950 #endif 1951 curwin->w_set_curswant = TRUE; 1952 } 1953 } 1954 1955 #if defined(FEAT_QUICKFIX) || defined(FEAT_EVAL) || defined(PROTO) 1956 /* 1957 * Find file in buffer list by name (it has to be for the current window). 1958 * Returns NULL if not found. 1959 */ 1960 buf_T * 1961 buflist_findname_exp(fname) 1962 char_u *fname; 1963 { 1964 char_u *ffname; 1965 buf_T *buf = NULL; 1966 1967 /* First make the name into a full path name */ 1968 ffname = FullName_save(fname, 1969 #ifdef UNIX 1970 TRUE /* force expansion, get rid of symbolic links */ 1971 #else 1972 FALSE 1973 #endif 1974 ); 1975 if (ffname != NULL) 1976 { 1977 buf = buflist_findname(ffname); 1978 vim_free(ffname); 1979 } 1980 return buf; 1981 } 1982 #endif 1983 1984 /* 1985 * Find file in buffer list by name (it has to be for the current window). 1986 * "ffname" must have a full path. 1987 * Skips dummy buffers. 1988 * Returns NULL if not found. 1989 */ 1990 buf_T * 1991 buflist_findname(ffname) 1992 char_u *ffname; 1993 { 1994 #ifdef UNIX 1995 struct stat st; 1996 1997 if (mch_stat((char *)ffname, &st) < 0) 1998 st.st_dev = (dev_T)-1; 1999 return buflist_findname_stat(ffname, &st); 2000 } 2001 2002 /* 2003 * Same as buflist_findname(), but pass the stat structure to avoid getting it 2004 * twice for the same file. 2005 * Returns NULL if not found. 2006 */ 2007 static buf_T * 2008 buflist_findname_stat(ffname, stp) 2009 char_u *ffname; 2010 struct stat *stp; 2011 { 2012 #endif 2013 buf_T *buf; 2014 2015 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2016 if ((buf->b_flags & BF_DUMMY) == 0 && !otherfile_buf(buf, ffname 2017 #ifdef UNIX 2018 , stp 2019 #endif 2020 )) 2021 return buf; 2022 return NULL; 2023 } 2024 2025 #if defined(FEAT_LISTCMDS) || defined(FEAT_EVAL) || defined(FEAT_PERL) || defined(PROTO) 2026 /* 2027 * Find file in buffer list by a regexp pattern. 2028 * Return fnum of the found buffer. 2029 * Return < 0 for error. 2030 */ 2031 int 2032 buflist_findpat(pattern, pattern_end, unlisted, diffmode) 2033 char_u *pattern; 2034 char_u *pattern_end; /* pointer to first char after pattern */ 2035 int unlisted; /* find unlisted buffers */ 2036 int diffmode UNUSED; /* find diff-mode buffers only */ 2037 { 2038 buf_T *buf; 2039 regprog_T *prog; 2040 int match = -1; 2041 int find_listed; 2042 char_u *pat; 2043 char_u *patend; 2044 int attempt; 2045 char_u *p; 2046 int toggledollar; 2047 2048 if (pattern_end == pattern + 1 && (*pattern == '%' || *pattern == '#')) 2049 { 2050 if (*pattern == '%') 2051 match = curbuf->b_fnum; 2052 else 2053 match = curwin->w_alt_fnum; 2054 #ifdef FEAT_DIFF 2055 if (diffmode && !diff_mode_buf(buflist_findnr(match))) 2056 match = -1; 2057 #endif 2058 } 2059 2060 /* 2061 * Try four ways of matching a listed buffer: 2062 * attempt == 0: without '^' or '$' (at any position) 2063 * attempt == 1: with '^' at start (only at position 0) 2064 * attempt == 2: with '$' at end (only match at end) 2065 * attempt == 3: with '^' at start and '$' at end (only full match) 2066 * Repeat this for finding an unlisted buffer if there was no matching 2067 * listed buffer. 2068 */ 2069 else 2070 { 2071 pat = file_pat_to_reg_pat(pattern, pattern_end, NULL, FALSE); 2072 if (pat == NULL) 2073 return -1; 2074 patend = pat + STRLEN(pat) - 1; 2075 toggledollar = (patend > pat && *patend == '$'); 2076 2077 /* First try finding a listed buffer. If not found and "unlisted" 2078 * is TRUE, try finding an unlisted buffer. */ 2079 find_listed = TRUE; 2080 for (;;) 2081 { 2082 for (attempt = 0; attempt <= 3; ++attempt) 2083 { 2084 /* may add '^' and '$' */ 2085 if (toggledollar) 2086 *patend = (attempt < 2) ? NUL : '$'; /* add/remove '$' */ 2087 p = pat; 2088 if (*p == '^' && !(attempt & 1)) /* add/remove '^' */ 2089 ++p; 2090 prog = vim_regcomp(p, p_magic ? RE_MAGIC : 0); 2091 if (prog == NULL) 2092 { 2093 vim_free(pat); 2094 return -1; 2095 } 2096 2097 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2098 if (buf->b_p_bl == find_listed 2099 #ifdef FEAT_DIFF 2100 && (!diffmode || diff_mode_buf(buf)) 2101 #endif 2102 && buflist_match(prog, buf) != NULL) 2103 { 2104 if (match >= 0) /* already found a match */ 2105 { 2106 match = -2; 2107 break; 2108 } 2109 match = buf->b_fnum; /* remember first match */ 2110 } 2111 2112 vim_free(prog); 2113 if (match >= 0) /* found one match */ 2114 break; 2115 } 2116 2117 /* Only search for unlisted buffers if there was no match with 2118 * a listed buffer. */ 2119 if (!unlisted || !find_listed || match != -1) 2120 break; 2121 find_listed = FALSE; 2122 } 2123 2124 vim_free(pat); 2125 } 2126 2127 if (match == -2) 2128 EMSG2(_("E93: More than one match for %s"), pattern); 2129 else if (match < 0) 2130 EMSG2(_("E94: No matching buffer for %s"), pattern); 2131 return match; 2132 } 2133 #endif 2134 2135 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 2136 2137 /* 2138 * Find all buffer names that match. 2139 * For command line expansion of ":buf" and ":sbuf". 2140 * Return OK if matches found, FAIL otherwise. 2141 */ 2142 int 2143 ExpandBufnames(pat, num_file, file, options) 2144 char_u *pat; 2145 int *num_file; 2146 char_u ***file; 2147 int options; 2148 { 2149 int count = 0; 2150 buf_T *buf; 2151 int round; 2152 char_u *p; 2153 int attempt; 2154 regprog_T *prog; 2155 char_u *patc; 2156 2157 *num_file = 0; /* return values in case of FAIL */ 2158 *file = NULL; 2159 2160 /* Make a copy of "pat" and change "^" to "\(^\|[\/]\)". */ 2161 if (*pat == '^') 2162 { 2163 patc = alloc((unsigned)STRLEN(pat) + 11); 2164 if (patc == NULL) 2165 return FAIL; 2166 STRCPY(patc, "\\(^\\|[\\/]\\)"); 2167 STRCPY(patc + 11, pat + 1); 2168 } 2169 else 2170 patc = pat; 2171 2172 /* 2173 * attempt == 0: try match with '\<', match at start of word 2174 * attempt == 1: try match without '\<', match anywhere 2175 */ 2176 for (attempt = 0; attempt <= 1; ++attempt) 2177 { 2178 if (attempt > 0 && patc == pat) 2179 break; /* there was no anchor, no need to try again */ 2180 prog = vim_regcomp(patc + attempt * 11, RE_MAGIC); 2181 if (prog == NULL) 2182 { 2183 if (patc != pat) 2184 vim_free(patc); 2185 return FAIL; 2186 } 2187 2188 /* 2189 * round == 1: Count the matches. 2190 * round == 2: Build the array to keep the matches. 2191 */ 2192 for (round = 1; round <= 2; ++round) 2193 { 2194 count = 0; 2195 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2196 { 2197 if (!buf->b_p_bl) /* skip unlisted buffers */ 2198 continue; 2199 p = buflist_match(prog, buf); 2200 if (p != NULL) 2201 { 2202 if (round == 1) 2203 ++count; 2204 else 2205 { 2206 if (options & WILD_HOME_REPLACE) 2207 p = home_replace_save(buf, p); 2208 else 2209 p = vim_strsave(p); 2210 (*file)[count++] = p; 2211 } 2212 } 2213 } 2214 if (count == 0) /* no match found, break here */ 2215 break; 2216 if (round == 1) 2217 { 2218 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 2219 if (*file == NULL) 2220 { 2221 vim_free(prog); 2222 if (patc != pat) 2223 vim_free(patc); 2224 return FAIL; 2225 } 2226 } 2227 } 2228 vim_free(prog); 2229 if (count) /* match(es) found, break here */ 2230 break; 2231 } 2232 2233 if (patc != pat) 2234 vim_free(patc); 2235 2236 *num_file = count; 2237 return (count == 0 ? FAIL : OK); 2238 } 2239 2240 #endif /* FEAT_CMDL_COMPL */ 2241 2242 #ifdef HAVE_BUFLIST_MATCH 2243 /* 2244 * Check for a match on the file name for buffer "buf" with regprog "prog". 2245 */ 2246 static char_u * 2247 buflist_match(prog, buf) 2248 regprog_T *prog; 2249 buf_T *buf; 2250 { 2251 char_u *match; 2252 2253 /* First try the short file name, then the long file name. */ 2254 match = fname_match(prog, buf->b_sfname); 2255 if (match == NULL) 2256 match = fname_match(prog, buf->b_ffname); 2257 2258 return match; 2259 } 2260 2261 /* 2262 * Try matching the regexp in "prog" with file name "name". 2263 * Return "name" when there is a match, NULL when not. 2264 */ 2265 static char_u * 2266 fname_match(prog, name) 2267 regprog_T *prog; 2268 char_u *name; 2269 { 2270 char_u *match = NULL; 2271 char_u *p; 2272 regmatch_T regmatch; 2273 2274 if (name != NULL) 2275 { 2276 regmatch.regprog = prog; 2277 #ifdef CASE_INSENSITIVE_FILENAME 2278 regmatch.rm_ic = TRUE; /* Always ignore case */ 2279 #else 2280 regmatch.rm_ic = FALSE; /* Never ignore case */ 2281 #endif 2282 2283 if (vim_regexec(®match, name, (colnr_T)0)) 2284 match = name; 2285 else 2286 { 2287 /* Replace $(HOME) with '~' and try matching again. */ 2288 p = home_replace_save(NULL, name); 2289 if (p != NULL && vim_regexec(®match, p, (colnr_T)0)) 2290 match = name; 2291 vim_free(p); 2292 } 2293 } 2294 2295 return match; 2296 } 2297 #endif 2298 2299 /* 2300 * find file in buffer list by number 2301 */ 2302 buf_T * 2303 buflist_findnr(nr) 2304 int nr; 2305 { 2306 buf_T *buf; 2307 2308 if (nr == 0) 2309 nr = curwin->w_alt_fnum; 2310 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 2311 if (buf->b_fnum == nr) 2312 return (buf); 2313 return NULL; 2314 } 2315 2316 /* 2317 * Get name of file 'n' in the buffer list. 2318 * When the file has no name an empty string is returned. 2319 * home_replace() is used to shorten the file name (used for marks). 2320 * Returns a pointer to allocated memory, of NULL when failed. 2321 */ 2322 char_u * 2323 buflist_nr2name(n, fullname, helptail) 2324 int n; 2325 int fullname; 2326 int helptail; /* for help buffers return tail only */ 2327 { 2328 buf_T *buf; 2329 2330 buf = buflist_findnr(n); 2331 if (buf == NULL) 2332 return NULL; 2333 return home_replace_save(helptail ? buf : NULL, 2334 fullname ? buf->b_ffname : buf->b_fname); 2335 } 2336 2337 /* 2338 * Set the "lnum" and "col" for the buffer "buf" and the current window. 2339 * When "copy_options" is TRUE save the local window option values. 2340 * When "lnum" is 0 only do the options. 2341 */ 2342 static void 2343 buflist_setfpos(buf, win, lnum, col, copy_options) 2344 buf_T *buf; 2345 win_T *win; 2346 linenr_T lnum; 2347 colnr_T col; 2348 int copy_options; 2349 { 2350 wininfo_T *wip; 2351 2352 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2353 if (wip->wi_win == win) 2354 break; 2355 if (wip == NULL) 2356 { 2357 /* allocate a new entry */ 2358 wip = (wininfo_T *)alloc_clear((unsigned)sizeof(wininfo_T)); 2359 if (wip == NULL) 2360 return; 2361 wip->wi_win = win; 2362 if (lnum == 0) /* set lnum even when it's 0 */ 2363 lnum = 1; 2364 } 2365 else 2366 { 2367 /* remove the entry from the list */ 2368 if (wip->wi_prev) 2369 wip->wi_prev->wi_next = wip->wi_next; 2370 else 2371 buf->b_wininfo = wip->wi_next; 2372 if (wip->wi_next) 2373 wip->wi_next->wi_prev = wip->wi_prev; 2374 if (copy_options && wip->wi_optset) 2375 { 2376 clear_winopt(&wip->wi_opt); 2377 #ifdef FEAT_FOLDING 2378 deleteFoldRecurse(&wip->wi_folds); 2379 #endif 2380 } 2381 } 2382 if (lnum != 0) 2383 { 2384 wip->wi_fpos.lnum = lnum; 2385 wip->wi_fpos.col = col; 2386 } 2387 if (copy_options) 2388 { 2389 /* Save the window-specific option values. */ 2390 copy_winopt(&win->w_onebuf_opt, &wip->wi_opt); 2391 #ifdef FEAT_FOLDING 2392 wip->wi_fold_manual = win->w_fold_manual; 2393 cloneFoldGrowArray(&win->w_folds, &wip->wi_folds); 2394 #endif 2395 wip->wi_optset = TRUE; 2396 } 2397 2398 /* insert the entry in front of the list */ 2399 wip->wi_next = buf->b_wininfo; 2400 buf->b_wininfo = wip; 2401 wip->wi_prev = NULL; 2402 if (wip->wi_next) 2403 wip->wi_next->wi_prev = wip; 2404 2405 return; 2406 } 2407 2408 #ifdef FEAT_DIFF 2409 static int wininfo_other_tab_diff __ARGS((wininfo_T *wip)); 2410 2411 /* 2412 * Return TRUE when "wip" has 'diff' set and the diff is only for another tab 2413 * page. That's because a diff is local to a tab page. 2414 */ 2415 static int 2416 wininfo_other_tab_diff(wip) 2417 wininfo_T *wip; 2418 { 2419 win_T *wp; 2420 2421 if (wip->wi_opt.wo_diff) 2422 { 2423 for (wp = firstwin; wp != NULL; wp = wp->w_next) 2424 /* return FALSE when it's a window in the current tab page, thus 2425 * the buffer was in diff mode here */ 2426 if (wip->wi_win == wp) 2427 return FALSE; 2428 return TRUE; 2429 } 2430 return FALSE; 2431 } 2432 #endif 2433 2434 /* 2435 * Find info for the current window in buffer "buf". 2436 * If not found, return the info for the most recently used window. 2437 * When "skip_diff_buffer" is TRUE avoid windows with 'diff' set that is in 2438 * another tab page. 2439 * Returns NULL when there isn't any info. 2440 */ 2441 static wininfo_T * 2442 find_wininfo(buf, skip_diff_buffer) 2443 buf_T *buf; 2444 int skip_diff_buffer UNUSED; 2445 { 2446 wininfo_T *wip; 2447 2448 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2449 if (wip->wi_win == curwin 2450 #ifdef FEAT_DIFF 2451 && (!skip_diff_buffer || !wininfo_other_tab_diff(wip)) 2452 #endif 2453 ) 2454 break; 2455 2456 /* If no wininfo for curwin, use the first in the list (that doesn't have 2457 * 'diff' set and is in another tab page). */ 2458 if (wip == NULL) 2459 { 2460 #ifdef FEAT_DIFF 2461 if (skip_diff_buffer) 2462 { 2463 for (wip = buf->b_wininfo; wip != NULL; wip = wip->wi_next) 2464 if (!wininfo_other_tab_diff(wip)) 2465 break; 2466 } 2467 else 2468 #endif 2469 wip = buf->b_wininfo; 2470 } 2471 return wip; 2472 } 2473 2474 /* 2475 * Reset the local window options to the values last used in this window. 2476 * If the buffer wasn't used in this window before, use the values from 2477 * the most recently used window. If the values were never set, use the 2478 * global values for the window. 2479 */ 2480 void 2481 get_winopts(buf) 2482 buf_T *buf; 2483 { 2484 wininfo_T *wip; 2485 2486 clear_winopt(&curwin->w_onebuf_opt); 2487 #ifdef FEAT_FOLDING 2488 clearFolding(curwin); 2489 #endif 2490 2491 wip = find_wininfo(buf, TRUE); 2492 if (wip != NULL && wip->wi_optset) 2493 { 2494 copy_winopt(&wip->wi_opt, &curwin->w_onebuf_opt); 2495 #ifdef FEAT_FOLDING 2496 curwin->w_fold_manual = wip->wi_fold_manual; 2497 curwin->w_foldinvalid = TRUE; 2498 cloneFoldGrowArray(&wip->wi_folds, &curwin->w_folds); 2499 #endif 2500 } 2501 else 2502 copy_winopt(&curwin->w_allbuf_opt, &curwin->w_onebuf_opt); 2503 2504 #ifdef FEAT_FOLDING 2505 /* Set 'foldlevel' to 'foldlevelstart' if it's not negative. */ 2506 if (p_fdls >= 0) 2507 curwin->w_p_fdl = p_fdls; 2508 #endif 2509 } 2510 2511 /* 2512 * Find the position (lnum and col) for the buffer 'buf' for the current 2513 * window. 2514 * Returns a pointer to no_position if no position is found. 2515 */ 2516 pos_T * 2517 buflist_findfpos(buf) 2518 buf_T *buf; 2519 { 2520 wininfo_T *wip; 2521 static pos_T no_position = INIT_POS_T(1, 0, 0); 2522 2523 wip = find_wininfo(buf, FALSE); 2524 if (wip != NULL) 2525 return &(wip->wi_fpos); 2526 else 2527 return &no_position; 2528 } 2529 2530 /* 2531 * Find the lnum for the buffer 'buf' for the current window. 2532 */ 2533 linenr_T 2534 buflist_findlnum(buf) 2535 buf_T *buf; 2536 { 2537 return buflist_findfpos(buf)->lnum; 2538 } 2539 2540 #if defined(FEAT_LISTCMDS) || defined(PROTO) 2541 /* 2542 * List all know file names (for :files and :buffers command). 2543 */ 2544 void 2545 buflist_list(eap) 2546 exarg_T *eap; 2547 { 2548 buf_T *buf; 2549 int len; 2550 int i; 2551 2552 for (buf = firstbuf; buf != NULL && !got_int; buf = buf->b_next) 2553 { 2554 /* skip unlisted buffers, unless ! was used */ 2555 if (!buf->b_p_bl && !eap->forceit) 2556 continue; 2557 msg_putchar('\n'); 2558 if (buf_spname(buf) != NULL) 2559 STRCPY(NameBuff, buf_spname(buf)); 2560 else 2561 home_replace(buf, buf->b_fname, NameBuff, MAXPATHL, TRUE); 2562 2563 len = vim_snprintf((char *)IObuff, IOSIZE - 20, "%3d%c%c%c%c%c \"%s\"", 2564 buf->b_fnum, 2565 buf->b_p_bl ? ' ' : 'u', 2566 buf == curbuf ? '%' : 2567 (curwin->w_alt_fnum == buf->b_fnum ? '#' : ' '), 2568 buf->b_ml.ml_mfp == NULL ? ' ' : 2569 (buf->b_nwindows == 0 ? 'h' : 'a'), 2570 !buf->b_p_ma ? '-' : (buf->b_p_ro ? '=' : ' '), 2571 (buf->b_flags & BF_READERR) ? 'x' 2572 : (bufIsChanged(buf) ? '+' : ' '), 2573 NameBuff); 2574 2575 /* put "line 999" in column 40 or after the file name */ 2576 i = 40 - vim_strsize(IObuff); 2577 do 2578 { 2579 IObuff[len++] = ' '; 2580 } while (--i > 0 && len < IOSIZE - 18); 2581 vim_snprintf((char *)IObuff + len, (size_t)(IOSIZE - len), 2582 _("line %ld"), buf == curbuf ? curwin->w_cursor.lnum 2583 : (long)buflist_findlnum(buf)); 2584 msg_outtrans(IObuff); 2585 out_flush(); /* output one line at a time */ 2586 ui_breakcheck(); 2587 } 2588 } 2589 #endif 2590 2591 /* 2592 * Get file name and line number for file 'fnum'. 2593 * Used by DoOneCmd() for translating '%' and '#'. 2594 * Used by insert_reg() and cmdline_paste() for '#' register. 2595 * Return FAIL if not found, OK for success. 2596 */ 2597 int 2598 buflist_name_nr(fnum, fname, lnum) 2599 int fnum; 2600 char_u **fname; 2601 linenr_T *lnum; 2602 { 2603 buf_T *buf; 2604 2605 buf = buflist_findnr(fnum); 2606 if (buf == NULL || buf->b_fname == NULL) 2607 return FAIL; 2608 2609 *fname = buf->b_fname; 2610 *lnum = buflist_findlnum(buf); 2611 2612 return OK; 2613 } 2614 2615 /* 2616 * Set the file name for "buf"' to 'ffname', short file name to 'sfname'. 2617 * The file name with the full path is also remembered, for when :cd is used. 2618 * Returns FAIL for failure (file name already in use by other buffer) 2619 * OK otherwise. 2620 */ 2621 int 2622 setfname(buf, ffname, sfname, message) 2623 buf_T *buf; 2624 char_u *ffname, *sfname; 2625 int message; /* give message when buffer already exists */ 2626 { 2627 buf_T *obuf = NULL; 2628 #ifdef UNIX 2629 struct stat st; 2630 #endif 2631 2632 if (ffname == NULL || *ffname == NUL) 2633 { 2634 /* Removing the name. */ 2635 vim_free(buf->b_ffname); 2636 vim_free(buf->b_sfname); 2637 buf->b_ffname = NULL; 2638 buf->b_sfname = NULL; 2639 #ifdef UNIX 2640 st.st_dev = (dev_T)-1; 2641 #endif 2642 } 2643 else 2644 { 2645 fname_expand(buf, &ffname, &sfname); /* will allocate ffname */ 2646 if (ffname == NULL) /* out of memory */ 2647 return FAIL; 2648 2649 /* 2650 * if the file name is already used in another buffer: 2651 * - if the buffer is loaded, fail 2652 * - if the buffer is not loaded, delete it from the list 2653 */ 2654 #ifdef UNIX 2655 if (mch_stat((char *)ffname, &st) < 0) 2656 st.st_dev = (dev_T)-1; 2657 #endif 2658 if (!(buf->b_flags & BF_DUMMY)) 2659 #ifdef UNIX 2660 obuf = buflist_findname_stat(ffname, &st); 2661 #else 2662 obuf = buflist_findname(ffname); 2663 #endif 2664 if (obuf != NULL && obuf != buf) 2665 { 2666 if (obuf->b_ml.ml_mfp != NULL) /* it's loaded, fail */ 2667 { 2668 if (message) 2669 EMSG(_("E95: Buffer with this name already exists")); 2670 vim_free(ffname); 2671 return FAIL; 2672 } 2673 close_buffer(NULL, obuf, DOBUF_WIPE); /* delete from the list */ 2674 } 2675 sfname = vim_strsave(sfname); 2676 if (ffname == NULL || sfname == NULL) 2677 { 2678 vim_free(sfname); 2679 vim_free(ffname); 2680 return FAIL; 2681 } 2682 #ifdef USE_FNAME_CASE 2683 # ifdef USE_LONG_FNAME 2684 if (USE_LONG_FNAME) 2685 # endif 2686 fname_case(sfname, 0); /* set correct case for short file name */ 2687 #endif 2688 vim_free(buf->b_ffname); 2689 vim_free(buf->b_sfname); 2690 buf->b_ffname = ffname; 2691 buf->b_sfname = sfname; 2692 } 2693 buf->b_fname = buf->b_sfname; 2694 #ifdef UNIX 2695 if (st.st_dev == (dev_T)-1) 2696 buf->b_dev_valid = FALSE; 2697 else 2698 { 2699 buf->b_dev_valid = TRUE; 2700 buf->b_dev = st.st_dev; 2701 buf->b_ino = st.st_ino; 2702 } 2703 #endif 2704 2705 #ifndef SHORT_FNAME 2706 buf->b_shortname = FALSE; 2707 #endif 2708 2709 buf_name_changed(buf); 2710 return OK; 2711 } 2712 2713 /* 2714 * Crude way of changing the name of a buffer. Use with care! 2715 * The name should be relative to the current directory. 2716 */ 2717 void 2718 buf_set_name(fnum, name) 2719 int fnum; 2720 char_u *name; 2721 { 2722 buf_T *buf; 2723 2724 buf = buflist_findnr(fnum); 2725 if (buf != NULL) 2726 { 2727 vim_free(buf->b_sfname); 2728 vim_free(buf->b_ffname); 2729 buf->b_ffname = vim_strsave(name); 2730 buf->b_sfname = NULL; 2731 /* Allocate ffname and expand into full path. Also resolves .lnk 2732 * files on Win32. */ 2733 fname_expand(buf, &buf->b_ffname, &buf->b_sfname); 2734 buf->b_fname = buf->b_sfname; 2735 } 2736 } 2737 2738 /* 2739 * Take care of what needs to be done when the name of buffer "buf" has 2740 * changed. 2741 */ 2742 void 2743 buf_name_changed(buf) 2744 buf_T *buf; 2745 { 2746 /* 2747 * If the file name changed, also change the name of the swapfile 2748 */ 2749 if (buf->b_ml.ml_mfp != NULL) 2750 ml_setname(buf); 2751 2752 if (curwin->w_buffer == buf) 2753 check_arg_idx(curwin); /* check file name for arg list */ 2754 #ifdef FEAT_TITLE 2755 maketitle(); /* set window title */ 2756 #endif 2757 #ifdef FEAT_WINDOWS 2758 status_redraw_all(); /* status lines need to be redrawn */ 2759 #endif 2760 fmarks_check_names(buf); /* check named file marks */ 2761 ml_timestamp(buf); /* reset timestamp */ 2762 } 2763 2764 /* 2765 * set alternate file name for current window 2766 * 2767 * Used by do_one_cmd(), do_write() and do_ecmd(). 2768 * Return the buffer. 2769 */ 2770 buf_T * 2771 setaltfname(ffname, sfname, lnum) 2772 char_u *ffname; 2773 char_u *sfname; 2774 linenr_T lnum; 2775 { 2776 buf_T *buf; 2777 2778 /* Create a buffer. 'buflisted' is not set if it's a new buffer */ 2779 buf = buflist_new(ffname, sfname, lnum, 0); 2780 if (buf != NULL && !cmdmod.keepalt) 2781 curwin->w_alt_fnum = buf->b_fnum; 2782 return buf; 2783 } 2784 2785 /* 2786 * Get alternate file name for current window. 2787 * Return NULL if there isn't any, and give error message if requested. 2788 */ 2789 char_u * 2790 getaltfname(errmsg) 2791 int errmsg; /* give error message */ 2792 { 2793 char_u *fname; 2794 linenr_T dummy; 2795 2796 if (buflist_name_nr(0, &fname, &dummy) == FAIL) 2797 { 2798 if (errmsg) 2799 EMSG(_(e_noalt)); 2800 return NULL; 2801 } 2802 return fname; 2803 } 2804 2805 /* 2806 * Add a file name to the buflist and return its number. 2807 * Uses same flags as buflist_new(), except BLN_DUMMY. 2808 * 2809 * used by qf_init(), main() and doarglist() 2810 */ 2811 int 2812 buflist_add(fname, flags) 2813 char_u *fname; 2814 int flags; 2815 { 2816 buf_T *buf; 2817 2818 buf = buflist_new(fname, NULL, (linenr_T)0, flags); 2819 if (buf != NULL) 2820 return buf->b_fnum; 2821 return 0; 2822 } 2823 2824 #if defined(BACKSLASH_IN_FILENAME) || defined(PROTO) 2825 /* 2826 * Adjust slashes in file names. Called after 'shellslash' was set. 2827 */ 2828 void 2829 buflist_slash_adjust() 2830 { 2831 buf_T *bp; 2832 2833 for (bp = firstbuf; bp != NULL; bp = bp->b_next) 2834 { 2835 if (bp->b_ffname != NULL) 2836 slash_adjust(bp->b_ffname); 2837 if (bp->b_sfname != NULL) 2838 slash_adjust(bp->b_sfname); 2839 } 2840 } 2841 #endif 2842 2843 /* 2844 * Set alternate cursor position for the current buffer and window "win". 2845 * Also save the local window option values. 2846 */ 2847 void 2848 buflist_altfpos(win) 2849 win_T *win; 2850 { 2851 buflist_setfpos(curbuf, win, win->w_cursor.lnum, win->w_cursor.col, TRUE); 2852 } 2853 2854 /* 2855 * Return TRUE if 'ffname' is not the same file as current file. 2856 * Fname must have a full path (expanded by mch_FullName()). 2857 */ 2858 int 2859 otherfile(ffname) 2860 char_u *ffname; 2861 { 2862 return otherfile_buf(curbuf, ffname 2863 #ifdef UNIX 2864 , NULL 2865 #endif 2866 ); 2867 } 2868 2869 static int 2870 otherfile_buf(buf, ffname 2871 #ifdef UNIX 2872 , stp 2873 #endif 2874 ) 2875 buf_T *buf; 2876 char_u *ffname; 2877 #ifdef UNIX 2878 struct stat *stp; 2879 #endif 2880 { 2881 /* no name is different */ 2882 if (ffname == NULL || *ffname == NUL || buf->b_ffname == NULL) 2883 return TRUE; 2884 if (fnamecmp(ffname, buf->b_ffname) == 0) 2885 return FALSE; 2886 #ifdef UNIX 2887 { 2888 struct stat st; 2889 2890 /* If no struct stat given, get it now */ 2891 if (stp == NULL) 2892 { 2893 if (!buf->b_dev_valid || mch_stat((char *)ffname, &st) < 0) 2894 st.st_dev = (dev_T)-1; 2895 stp = &st; 2896 } 2897 /* Use dev/ino to check if the files are the same, even when the names 2898 * are different (possible with links). Still need to compare the 2899 * name above, for when the file doesn't exist yet. 2900 * Problem: The dev/ino changes when a file is deleted (and created 2901 * again) and remains the same when renamed/moved. We don't want to 2902 * mch_stat() each buffer each time, that would be too slow. Get the 2903 * dev/ino again when they appear to match, but not when they appear 2904 * to be different: Could skip a buffer when it's actually the same 2905 * file. */ 2906 if (buf_same_ino(buf, stp)) 2907 { 2908 buf_setino(buf); 2909 if (buf_same_ino(buf, stp)) 2910 return FALSE; 2911 } 2912 } 2913 #endif 2914 return TRUE; 2915 } 2916 2917 #if defined(UNIX) || defined(PROTO) 2918 /* 2919 * Set inode and device number for a buffer. 2920 * Must always be called when b_fname is changed!. 2921 */ 2922 void 2923 buf_setino(buf) 2924 buf_T *buf; 2925 { 2926 struct stat st; 2927 2928 if (buf->b_fname != NULL && mch_stat((char *)buf->b_fname, &st) >= 0) 2929 { 2930 buf->b_dev_valid = TRUE; 2931 buf->b_dev = st.st_dev; 2932 buf->b_ino = st.st_ino; 2933 } 2934 else 2935 buf->b_dev_valid = FALSE; 2936 } 2937 2938 /* 2939 * Return TRUE if dev/ino in buffer "buf" matches with "stp". 2940 */ 2941 static int 2942 buf_same_ino(buf, stp) 2943 buf_T *buf; 2944 struct stat *stp; 2945 { 2946 return (buf->b_dev_valid 2947 && stp->st_dev == buf->b_dev 2948 && stp->st_ino == buf->b_ino); 2949 } 2950 #endif 2951 2952 /* 2953 * Print info about the current buffer. 2954 */ 2955 void 2956 fileinfo(fullname, shorthelp, dont_truncate) 2957 int fullname; /* when non-zero print full path */ 2958 int shorthelp; 2959 int dont_truncate; 2960 { 2961 char_u *name; 2962 int n; 2963 char_u *p; 2964 char_u *buffer; 2965 size_t len; 2966 2967 buffer = alloc(IOSIZE); 2968 if (buffer == NULL) 2969 return; 2970 2971 if (fullname > 1) /* 2 CTRL-G: include buffer number */ 2972 { 2973 vim_snprintf((char *)buffer, IOSIZE, "buf %d: ", curbuf->b_fnum); 2974 p = buffer + STRLEN(buffer); 2975 } 2976 else 2977 p = buffer; 2978 2979 *p++ = '"'; 2980 if (buf_spname(curbuf) != NULL) 2981 STRCPY(p, buf_spname(curbuf)); 2982 else 2983 { 2984 if (!fullname && curbuf->b_fname != NULL) 2985 name = curbuf->b_fname; 2986 else 2987 name = curbuf->b_ffname; 2988 home_replace(shorthelp ? curbuf : NULL, name, p, 2989 (int)(IOSIZE - (p - buffer)), TRUE); 2990 } 2991 2992 len = STRLEN(buffer); 2993 vim_snprintf((char *)buffer + len, IOSIZE - len, 2994 "\"%s%s%s%s%s%s", 2995 curbufIsChanged() ? (shortmess(SHM_MOD) 2996 ? " [+]" : _(" [Modified]")) : " ", 2997 (curbuf->b_flags & BF_NOTEDITED) 2998 #ifdef FEAT_QUICKFIX 2999 && !bt_dontwrite(curbuf) 3000 #endif 3001 ? _("[Not edited]") : "", 3002 (curbuf->b_flags & BF_NEW) 3003 #ifdef FEAT_QUICKFIX 3004 && !bt_dontwrite(curbuf) 3005 #endif 3006 ? _("[New file]") : "", 3007 (curbuf->b_flags & BF_READERR) ? _("[Read errors]") : "", 3008 curbuf->b_p_ro ? (shortmess(SHM_RO) ? "[RO]" 3009 : _("[readonly]")) : "", 3010 (curbufIsChanged() || (curbuf->b_flags & BF_WRITE_MASK) 3011 || curbuf->b_p_ro) ? 3012 " " : ""); 3013 /* With 32 bit longs and more than 21,474,836 lines multiplying by 100 3014 * causes an overflow, thus for large numbers divide instead. */ 3015 if (curwin->w_cursor.lnum > 1000000L) 3016 n = (int)(((long)curwin->w_cursor.lnum) / 3017 ((long)curbuf->b_ml.ml_line_count / 100L)); 3018 else 3019 n = (int)(((long)curwin->w_cursor.lnum * 100L) / 3020 (long)curbuf->b_ml.ml_line_count); 3021 len = STRLEN(buffer); 3022 if (curbuf->b_ml.ml_flags & ML_EMPTY) 3023 { 3024 vim_snprintf((char *)buffer + len, IOSIZE - len, "%s", _(no_lines_msg)); 3025 } 3026 #ifdef FEAT_CMDL_INFO 3027 else if (p_ru) 3028 { 3029 /* Current line and column are already on the screen -- webb */ 3030 if (curbuf->b_ml.ml_line_count == 1) 3031 vim_snprintf((char *)buffer + len, IOSIZE - len, 3032 _("1 line --%d%%--"), n); 3033 else 3034 vim_snprintf((char *)buffer + len, IOSIZE - len, 3035 _("%ld lines --%d%%--"), 3036 (long)curbuf->b_ml.ml_line_count, n); 3037 } 3038 #endif 3039 else 3040 { 3041 vim_snprintf((char *)buffer + len, IOSIZE - len, 3042 _("line %ld of %ld --%d%%-- col "), 3043 (long)curwin->w_cursor.lnum, 3044 (long)curbuf->b_ml.ml_line_count, 3045 n); 3046 validate_virtcol(); 3047 len = STRLEN(buffer); 3048 col_print(buffer + len, IOSIZE - len, 3049 (int)curwin->w_cursor.col + 1, (int)curwin->w_virtcol + 1); 3050 } 3051 3052 (void)append_arg_number(curwin, buffer, IOSIZE, !shortmess(SHM_FILE)); 3053 3054 if (dont_truncate) 3055 { 3056 /* Temporarily set msg_scroll to avoid the message being truncated. 3057 * First call msg_start() to get the message in the right place. */ 3058 msg_start(); 3059 n = msg_scroll; 3060 msg_scroll = TRUE; 3061 msg(buffer); 3062 msg_scroll = n; 3063 } 3064 else 3065 { 3066 p = msg_trunc_attr(buffer, FALSE, 0); 3067 if (restart_edit != 0 || (msg_scrolled && !need_wait_return)) 3068 /* Need to repeat the message after redrawing when: 3069 * - When restart_edit is set (otherwise there will be a delay 3070 * before redrawing). 3071 * - When the screen was scrolled but there is no wait-return 3072 * prompt. */ 3073 set_keep_msg(p, 0); 3074 } 3075 3076 vim_free(buffer); 3077 } 3078 3079 void 3080 col_print(buf, buflen, col, vcol) 3081 char_u *buf; 3082 size_t buflen; 3083 int col; 3084 int vcol; 3085 { 3086 if (col == vcol) 3087 vim_snprintf((char *)buf, buflen, "%d", col); 3088 else 3089 vim_snprintf((char *)buf, buflen, "%d-%d", col, vcol); 3090 } 3091 3092 #if defined(FEAT_TITLE) || defined(PROTO) 3093 /* 3094 * put file name in title bar of window and in icon title 3095 */ 3096 3097 static char_u *lasttitle = NULL; 3098 static char_u *lasticon = NULL; 3099 3100 void 3101 maketitle() 3102 { 3103 char_u *p; 3104 char_u *t_str = NULL; 3105 char_u *i_name; 3106 char_u *i_str = NULL; 3107 int maxlen = 0; 3108 int len; 3109 int mustset; 3110 char_u buf[IOSIZE]; 3111 int off; 3112 3113 if (!redrawing()) 3114 { 3115 /* Postpone updating the title when 'lazyredraw' is set. */ 3116 need_maketitle = TRUE; 3117 return; 3118 } 3119 3120 need_maketitle = FALSE; 3121 if (!p_title && !p_icon) 3122 return; 3123 3124 if (p_title) 3125 { 3126 if (p_titlelen > 0) 3127 { 3128 maxlen = p_titlelen * Columns / 100; 3129 if (maxlen < 10) 3130 maxlen = 10; 3131 } 3132 3133 t_str = buf; 3134 if (*p_titlestring != NUL) 3135 { 3136 #ifdef FEAT_STL_OPT 3137 if (stl_syntax & STL_IN_TITLE) 3138 { 3139 int use_sandbox = FALSE; 3140 int save_called_emsg = called_emsg; 3141 3142 # ifdef FEAT_EVAL 3143 use_sandbox = was_set_insecurely((char_u *)"titlestring", 0); 3144 # endif 3145 called_emsg = FALSE; 3146 build_stl_str_hl(curwin, t_str, sizeof(buf), 3147 p_titlestring, use_sandbox, 3148 0, maxlen, NULL, NULL); 3149 if (called_emsg) 3150 set_string_option_direct((char_u *)"titlestring", -1, 3151 (char_u *)"", OPT_FREE, SID_ERROR); 3152 called_emsg |= save_called_emsg; 3153 } 3154 else 3155 #endif 3156 t_str = p_titlestring; 3157 } 3158 else 3159 { 3160 /* format: "fname + (path) (1 of 2) - VIM" */ 3161 3162 if (curbuf->b_fname == NULL) 3163 STRCPY(buf, _("[No Name]")); 3164 else 3165 { 3166 p = transstr(gettail(curbuf->b_fname)); 3167 vim_strncpy(buf, p, IOSIZE - 100); 3168 vim_free(p); 3169 } 3170 3171 switch (bufIsChanged(curbuf) 3172 + (curbuf->b_p_ro * 2) 3173 + (!curbuf->b_p_ma * 4)) 3174 { 3175 case 1: STRCAT(buf, " +"); break; 3176 case 2: STRCAT(buf, " ="); break; 3177 case 3: STRCAT(buf, " =+"); break; 3178 case 4: 3179 case 6: STRCAT(buf, " -"); break; 3180 case 5: 3181 case 7: STRCAT(buf, " -+"); break; 3182 } 3183 3184 if (curbuf->b_fname != NULL) 3185 { 3186 /* Get path of file, replace home dir with ~ */ 3187 off = (int)STRLEN(buf); 3188 buf[off++] = ' '; 3189 buf[off++] = '('; 3190 home_replace(curbuf, curbuf->b_ffname, 3191 buf + off, IOSIZE - off, TRUE); 3192 #ifdef BACKSLASH_IN_FILENAME 3193 /* avoid "c:/name" to be reduced to "c" */ 3194 if (isalpha(buf[off]) && buf[off + 1] == ':') 3195 off += 2; 3196 #endif 3197 /* remove the file name */ 3198 p = gettail_sep(buf + off); 3199 if (p == buf + off) 3200 /* must be a help buffer */ 3201 vim_strncpy(buf + off, (char_u *)_("help"), 3202 (size_t)(IOSIZE - off - 1)); 3203 else 3204 *p = NUL; 3205 3206 /* translate unprintable chars */ 3207 p = transstr(buf + off); 3208 vim_strncpy(buf + off, p, (size_t)(IOSIZE - off - 1)); 3209 vim_free(p); 3210 STRCAT(buf, ")"); 3211 } 3212 3213 append_arg_number(curwin, buf, IOSIZE, FALSE); 3214 3215 #if defined(FEAT_CLIENTSERVER) 3216 if (serverName != NULL) 3217 { 3218 STRCAT(buf, " - "); 3219 STRCAT(buf, serverName); 3220 } 3221 else 3222 #endif 3223 STRCAT(buf, " - VIM"); 3224 3225 if (maxlen > 0) 3226 { 3227 /* make it shorter by removing a bit in the middle */ 3228 len = vim_strsize(buf); 3229 if (len > maxlen) 3230 trunc_string(buf, buf, maxlen); 3231 } 3232 } 3233 } 3234 mustset = ti_change(t_str, &lasttitle); 3235 3236 if (p_icon) 3237 { 3238 i_str = buf; 3239 if (*p_iconstring != NUL) 3240 { 3241 #ifdef FEAT_STL_OPT 3242 if (stl_syntax & STL_IN_ICON) 3243 { 3244 int use_sandbox = FALSE; 3245 int save_called_emsg = called_emsg; 3246 3247 # ifdef FEAT_EVAL 3248 use_sandbox = was_set_insecurely((char_u *)"iconstring", 0); 3249 # endif 3250 called_emsg = FALSE; 3251 build_stl_str_hl(curwin, i_str, sizeof(buf), 3252 p_iconstring, use_sandbox, 3253 0, 0, NULL, NULL); 3254 if (called_emsg) 3255 set_string_option_direct((char_u *)"iconstring", -1, 3256 (char_u *)"", OPT_FREE, SID_ERROR); 3257 called_emsg |= save_called_emsg; 3258 } 3259 else 3260 #endif 3261 i_str = p_iconstring; 3262 } 3263 else 3264 { 3265 if (buf_spname(curbuf) != NULL) 3266 i_name = (char_u *)buf_spname(curbuf); 3267 else /* use file name only in icon */ 3268 i_name = gettail(curbuf->b_ffname); 3269 *i_str = NUL; 3270 /* Truncate name at 100 bytes. */ 3271 len = (int)STRLEN(i_name); 3272 if (len > 100) 3273 { 3274 len -= 100; 3275 #ifdef FEAT_MBYTE 3276 if (has_mbyte) 3277 len += (*mb_tail_off)(i_name, i_name + len) + 1; 3278 #endif 3279 i_name += len; 3280 } 3281 STRCPY(i_str, i_name); 3282 trans_characters(i_str, IOSIZE); 3283 } 3284 } 3285 3286 mustset |= ti_change(i_str, &lasticon); 3287 3288 if (mustset) 3289 resettitle(); 3290 } 3291 3292 /* 3293 * Used for title and icon: Check if "str" differs from "*last". Set "*last" 3294 * from "str" if it does. 3295 * Return TRUE when "*last" changed. 3296 */ 3297 static int 3298 ti_change(str, last) 3299 char_u *str; 3300 char_u **last; 3301 { 3302 if ((str == NULL) != (*last == NULL) 3303 || (str != NULL && *last != NULL && STRCMP(str, *last) != 0)) 3304 { 3305 vim_free(*last); 3306 if (str == NULL) 3307 *last = NULL; 3308 else 3309 *last = vim_strsave(str); 3310 return TRUE; 3311 } 3312 return FALSE; 3313 } 3314 3315 /* 3316 * Put current window title back (used after calling a shell) 3317 */ 3318 void 3319 resettitle() 3320 { 3321 mch_settitle(lasttitle, lasticon); 3322 } 3323 3324 # if defined(EXITFREE) || defined(PROTO) 3325 void 3326 free_titles() 3327 { 3328 vim_free(lasttitle); 3329 vim_free(lasticon); 3330 } 3331 # endif 3332 3333 #endif /* FEAT_TITLE */ 3334 3335 #if defined(FEAT_STL_OPT) || defined(FEAT_GUI_TABLINE) || defined(PROTO) 3336 /* 3337 * Build a string from the status line items in "fmt". 3338 * Return length of string in screen cells. 3339 * 3340 * Normally works for window "wp", except when working for 'tabline' then it 3341 * is "curwin". 3342 * 3343 * Items are drawn interspersed with the text that surrounds it 3344 * Specials: %-<wid>(xxx%) => group, %= => middle marker, %< => truncation 3345 * Item: %-<minwid>.<maxwid><itemch> All but <itemch> are optional 3346 * 3347 * If maxwidth is not zero, the string will be filled at any middle marker 3348 * or truncated if too long, fillchar is used for all whitespace. 3349 */ 3350 int 3351 build_stl_str_hl(wp, out, outlen, fmt, use_sandbox, fillchar, maxwidth, hltab, tabtab) 3352 win_T *wp; 3353 char_u *out; /* buffer to write into != NameBuff */ 3354 size_t outlen; /* length of out[] */ 3355 char_u *fmt; 3356 int use_sandbox UNUSED; /* "fmt" was set insecurely, use sandbox */ 3357 int fillchar; 3358 int maxwidth; 3359 struct stl_hlrec *hltab; /* return: HL attributes (can be NULL) */ 3360 struct stl_hlrec *tabtab; /* return: tab page nrs (can be NULL) */ 3361 { 3362 char_u *p; 3363 char_u *s; 3364 char_u *t; 3365 char_u *linecont; 3366 #ifdef FEAT_EVAL 3367 win_T *o_curwin; 3368 buf_T *o_curbuf; 3369 #endif 3370 int empty_line; 3371 colnr_T virtcol; 3372 long l; 3373 long n; 3374 int prevchar_isflag; 3375 int prevchar_isitem; 3376 int itemisflag; 3377 int fillable; 3378 char_u *str; 3379 long num; 3380 int width; 3381 int itemcnt; 3382 int curitem; 3383 int groupitem[STL_MAX_ITEM]; 3384 int groupdepth; 3385 struct stl_item 3386 { 3387 char_u *start; 3388 int minwid; 3389 int maxwid; 3390 enum 3391 { 3392 Normal, 3393 Empty, 3394 Group, 3395 Middle, 3396 Highlight, 3397 TabPage, 3398 Trunc 3399 } type; 3400 } item[STL_MAX_ITEM]; 3401 int minwid; 3402 int maxwid; 3403 int zeropad; 3404 char_u base; 3405 char_u opt; 3406 #define TMPLEN 70 3407 char_u tmp[TMPLEN]; 3408 char_u *usefmt = fmt; 3409 struct stl_hlrec *sp; 3410 3411 #ifdef FEAT_EVAL 3412 /* 3413 * When the format starts with "%!" then evaluate it as an expression and 3414 * use the result as the actual format string. 3415 */ 3416 if (fmt[0] == '%' && fmt[1] == '!') 3417 { 3418 usefmt = eval_to_string_safe(fmt + 2, NULL, use_sandbox); 3419 if (usefmt == NULL) 3420 usefmt = fmt; 3421 } 3422 #endif 3423 3424 if (fillchar == 0) 3425 fillchar = ' '; 3426 #ifdef FEAT_MBYTE 3427 /* Can't handle a multi-byte fill character yet. */ 3428 else if (mb_char2len(fillchar) > 1) 3429 fillchar = '-'; 3430 #endif 3431 3432 /* 3433 * Get line & check if empty (cursorpos will show "0-1"). 3434 * If inversion is possible we use it. Else '=' characters are used. 3435 */ 3436 linecont = ml_get_buf(wp->w_buffer, wp->w_cursor.lnum, FALSE); 3437 empty_line = (*linecont == NUL); 3438 3439 groupdepth = 0; 3440 p = out; 3441 curitem = 0; 3442 prevchar_isflag = TRUE; 3443 prevchar_isitem = FALSE; 3444 for (s = usefmt; *s; ) 3445 { 3446 if (*s != NUL && *s != '%') 3447 prevchar_isflag = prevchar_isitem = FALSE; 3448 3449 /* 3450 * Handle up to the next '%' or the end. 3451 */ 3452 while (*s != NUL && *s != '%' && p + 1 < out + outlen) 3453 *p++ = *s++; 3454 if (*s == NUL || p + 1 >= out + outlen) 3455 break; 3456 3457 /* 3458 * Handle one '%' item. 3459 */ 3460 s++; 3461 if (*s == '%') 3462 { 3463 if (p + 1 >= out + outlen) 3464 break; 3465 *p++ = *s++; 3466 prevchar_isflag = prevchar_isitem = FALSE; 3467 continue; 3468 } 3469 if (*s == STL_MIDDLEMARK) 3470 { 3471 s++; 3472 if (groupdepth > 0) 3473 continue; 3474 item[curitem].type = Middle; 3475 item[curitem++].start = p; 3476 continue; 3477 } 3478 if (*s == STL_TRUNCMARK) 3479 { 3480 s++; 3481 item[curitem].type = Trunc; 3482 item[curitem++].start = p; 3483 continue; 3484 } 3485 if (*s == ')') 3486 { 3487 s++; 3488 if (groupdepth < 1) 3489 continue; 3490 groupdepth--; 3491 3492 t = item[groupitem[groupdepth]].start; 3493 *p = NUL; 3494 l = vim_strsize(t); 3495 if (curitem > groupitem[groupdepth] + 1 3496 && item[groupitem[groupdepth]].minwid == 0) 3497 { 3498 /* remove group if all items are empty */ 3499 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3500 if (item[n].type == Normal) 3501 break; 3502 if (n == curitem) 3503 { 3504 p = t; 3505 l = 0; 3506 } 3507 } 3508 if (l > item[groupitem[groupdepth]].maxwid) 3509 { 3510 /* truncate, remove n bytes of text at the start */ 3511 #ifdef FEAT_MBYTE 3512 if (has_mbyte) 3513 { 3514 /* Find the first character that should be included. */ 3515 n = 0; 3516 while (l >= item[groupitem[groupdepth]].maxwid) 3517 { 3518 l -= ptr2cells(t + n); 3519 n += (*mb_ptr2len)(t + n); 3520 } 3521 } 3522 else 3523 #endif 3524 n = (long)(p - t) - item[groupitem[groupdepth]].maxwid + 1; 3525 3526 *t = '<'; 3527 mch_memmove(t + 1, t + n, (size_t)(p - (t + n))); 3528 p = p - n + 1; 3529 #ifdef FEAT_MBYTE 3530 /* Fill up space left over by half a double-wide char. */ 3531 while (++l < item[groupitem[groupdepth]].minwid) 3532 *p++ = fillchar; 3533 #endif 3534 3535 /* correct the start of the items for the truncation */ 3536 for (l = groupitem[groupdepth] + 1; l < curitem; l++) 3537 { 3538 item[l].start -= n; 3539 if (item[l].start < t) 3540 item[l].start = t; 3541 } 3542 } 3543 else if (abs(item[groupitem[groupdepth]].minwid) > l) 3544 { 3545 /* fill */ 3546 n = item[groupitem[groupdepth]].minwid; 3547 if (n < 0) 3548 { 3549 /* fill by appending characters */ 3550 n = 0 - n; 3551 while (l++ < n && p + 1 < out + outlen) 3552 *p++ = fillchar; 3553 } 3554 else 3555 { 3556 /* fill by inserting characters */ 3557 mch_memmove(t + n - l, t, (size_t)(p - t)); 3558 l = n - l; 3559 if (p + l >= out + outlen) 3560 l = (long)((out + outlen) - p - 1); 3561 p += l; 3562 for (n = groupitem[groupdepth] + 1; n < curitem; n++) 3563 item[n].start += l; 3564 for ( ; l > 0; l--) 3565 *t++ = fillchar; 3566 } 3567 } 3568 continue; 3569 } 3570 minwid = 0; 3571 maxwid = 9999; 3572 zeropad = FALSE; 3573 l = 1; 3574 if (*s == '0') 3575 { 3576 s++; 3577 zeropad = TRUE; 3578 } 3579 if (*s == '-') 3580 { 3581 s++; 3582 l = -1; 3583 } 3584 if (VIM_ISDIGIT(*s)) 3585 { 3586 minwid = (int)getdigits(&s); 3587 if (minwid < 0) /* overflow */ 3588 minwid = 0; 3589 } 3590 if (*s == STL_USER_HL) 3591 { 3592 item[curitem].type = Highlight; 3593 item[curitem].start = p; 3594 item[curitem].minwid = minwid > 9 ? 1 : minwid; 3595 s++; 3596 curitem++; 3597 continue; 3598 } 3599 if (*s == STL_TABPAGENR || *s == STL_TABCLOSENR) 3600 { 3601 if (*s == STL_TABCLOSENR) 3602 { 3603 if (minwid == 0) 3604 { 3605 /* %X ends the close label, go back to the previously 3606 * define tab label nr. */ 3607 for (n = curitem - 1; n >= 0; --n) 3608 if (item[n].type == TabPage && item[n].minwid >= 0) 3609 { 3610 minwid = item[n].minwid; 3611 break; 3612 } 3613 } 3614 else 3615 /* close nrs are stored as negative values */ 3616 minwid = - minwid; 3617 } 3618 item[curitem].type = TabPage; 3619 item[curitem].start = p; 3620 item[curitem].minwid = minwid; 3621 s++; 3622 curitem++; 3623 continue; 3624 } 3625 if (*s == '.') 3626 { 3627 s++; 3628 if (VIM_ISDIGIT(*s)) 3629 { 3630 maxwid = (int)getdigits(&s); 3631 if (maxwid <= 0) /* overflow */ 3632 maxwid = 50; 3633 } 3634 } 3635 minwid = (minwid > 50 ? 50 : minwid) * l; 3636 if (*s == '(') 3637 { 3638 groupitem[groupdepth++] = curitem; 3639 item[curitem].type = Group; 3640 item[curitem].start = p; 3641 item[curitem].minwid = minwid; 3642 item[curitem].maxwid = maxwid; 3643 s++; 3644 curitem++; 3645 continue; 3646 } 3647 if (vim_strchr(STL_ALL, *s) == NULL) 3648 { 3649 s++; 3650 continue; 3651 } 3652 opt = *s++; 3653 3654 /* OK - now for the real work */ 3655 base = 'D'; 3656 itemisflag = FALSE; 3657 fillable = TRUE; 3658 num = -1; 3659 str = NULL; 3660 switch (opt) 3661 { 3662 case STL_FILEPATH: 3663 case STL_FULLPATH: 3664 case STL_FILENAME: 3665 fillable = FALSE; /* don't change ' ' to fillchar */ 3666 if (buf_spname(wp->w_buffer) != NULL) 3667 STRCPY(NameBuff, buf_spname(wp->w_buffer)); 3668 else 3669 { 3670 t = (opt == STL_FULLPATH) ? wp->w_buffer->b_ffname 3671 : wp->w_buffer->b_fname; 3672 home_replace(wp->w_buffer, t, NameBuff, MAXPATHL, TRUE); 3673 } 3674 trans_characters(NameBuff, MAXPATHL); 3675 if (opt != STL_FILENAME) 3676 str = NameBuff; 3677 else 3678 str = gettail(NameBuff); 3679 break; 3680 3681 case STL_VIM_EXPR: /* '{' */ 3682 itemisflag = TRUE; 3683 t = p; 3684 while (*s != '}' && *s != NUL && p + 1 < out + outlen) 3685 *p++ = *s++; 3686 if (*s != '}') /* missing '}' or out of space */ 3687 break; 3688 s++; 3689 *p = 0; 3690 p = t; 3691 3692 #ifdef FEAT_EVAL 3693 vim_snprintf((char *)tmp, sizeof(tmp), "%d", curbuf->b_fnum); 3694 set_internal_string_var((char_u *)"actual_curbuf", tmp); 3695 3696 o_curbuf = curbuf; 3697 o_curwin = curwin; 3698 curwin = wp; 3699 curbuf = wp->w_buffer; 3700 3701 str = eval_to_string_safe(p, &t, use_sandbox); 3702 3703 curwin = o_curwin; 3704 curbuf = o_curbuf; 3705 do_unlet((char_u *)"g:actual_curbuf", TRUE); 3706 3707 if (str != NULL && *str != 0) 3708 { 3709 if (*skipdigits(str) == NUL) 3710 { 3711 num = atoi((char *)str); 3712 vim_free(str); 3713 str = NULL; 3714 itemisflag = FALSE; 3715 } 3716 } 3717 #endif 3718 break; 3719 3720 case STL_LINE: 3721 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) 3722 ? 0L : (long)(wp->w_cursor.lnum); 3723 break; 3724 3725 case STL_NUMLINES: 3726 num = wp->w_buffer->b_ml.ml_line_count; 3727 break; 3728 3729 case STL_COLUMN: 3730 num = !(State & INSERT) && empty_line 3731 ? 0 : (int)wp->w_cursor.col + 1; 3732 break; 3733 3734 case STL_VIRTCOL: 3735 case STL_VIRTCOL_ALT: 3736 /* In list mode virtcol needs to be recomputed */ 3737 virtcol = wp->w_virtcol; 3738 if (wp->w_p_list && lcs_tab1 == NUL) 3739 { 3740 wp->w_p_list = FALSE; 3741 getvcol(wp, &wp->w_cursor, NULL, &virtcol, NULL); 3742 wp->w_p_list = TRUE; 3743 } 3744 ++virtcol; 3745 /* Don't display %V if it's the same as %c. */ 3746 if (opt == STL_VIRTCOL_ALT 3747 && (virtcol == (colnr_T)(!(State & INSERT) && empty_line 3748 ? 0 : (int)wp->w_cursor.col + 1))) 3749 break; 3750 num = (long)virtcol; 3751 break; 3752 3753 case STL_PERCENTAGE: 3754 num = (int)(((long)wp->w_cursor.lnum * 100L) / 3755 (long)wp->w_buffer->b_ml.ml_line_count); 3756 break; 3757 3758 case STL_ALTPERCENT: 3759 str = tmp; 3760 get_rel_pos(wp, str, TMPLEN); 3761 break; 3762 3763 case STL_ARGLISTSTAT: 3764 fillable = FALSE; 3765 tmp[0] = 0; 3766 if (append_arg_number(wp, tmp, (int)sizeof(tmp), FALSE)) 3767 str = tmp; 3768 break; 3769 3770 case STL_KEYMAP: 3771 fillable = FALSE; 3772 if (get_keymap_str(wp, tmp, TMPLEN)) 3773 str = tmp; 3774 break; 3775 case STL_PAGENUM: 3776 #if defined(FEAT_PRINTER) || defined(FEAT_GUI_TABLINE) 3777 num = printer_page_num; 3778 #else 3779 num = 0; 3780 #endif 3781 break; 3782 3783 case STL_BUFNO: 3784 num = wp->w_buffer->b_fnum; 3785 break; 3786 3787 case STL_OFFSET_X: 3788 base = 'X'; 3789 case STL_OFFSET: 3790 #ifdef FEAT_BYTEOFF 3791 l = ml_find_line_or_offset(wp->w_buffer, wp->w_cursor.lnum, NULL); 3792 num = (wp->w_buffer->b_ml.ml_flags & ML_EMPTY) || l < 0 ? 3793 0L : l + 1 + (!(State & INSERT) && empty_line ? 3794 0 : (int)wp->w_cursor.col); 3795 #endif 3796 break; 3797 3798 case STL_BYTEVAL_X: 3799 base = 'X'; 3800 case STL_BYTEVAL: 3801 if (wp->w_cursor.col > (colnr_T)STRLEN(linecont)) 3802 num = 0; 3803 else 3804 { 3805 #ifdef FEAT_MBYTE 3806 num = (*mb_ptr2char)(linecont + wp->w_cursor.col); 3807 #else 3808 num = linecont[wp->w_cursor.col]; 3809 #endif 3810 } 3811 if (num == NL) 3812 num = 0; 3813 else if (num == CAR && get_fileformat(wp->w_buffer) == EOL_MAC) 3814 num = NL; 3815 break; 3816 3817 case STL_ROFLAG: 3818 case STL_ROFLAG_ALT: 3819 itemisflag = TRUE; 3820 if (wp->w_buffer->b_p_ro) 3821 str = (char_u *)((opt == STL_ROFLAG_ALT) ? ",RO" : "[RO]"); 3822 break; 3823 3824 case STL_HELPFLAG: 3825 case STL_HELPFLAG_ALT: 3826 itemisflag = TRUE; 3827 if (wp->w_buffer->b_help) 3828 str = (char_u *)((opt == STL_HELPFLAG_ALT) ? ",HLP" 3829 : _("[Help]")); 3830 break; 3831 3832 #ifdef FEAT_AUTOCMD 3833 case STL_FILETYPE: 3834 if (*wp->w_buffer->b_p_ft != NUL 3835 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 3) 3836 { 3837 vim_snprintf((char *)tmp, sizeof(tmp), "[%s]", 3838 wp->w_buffer->b_p_ft); 3839 str = tmp; 3840 } 3841 break; 3842 3843 case STL_FILETYPE_ALT: 3844 itemisflag = TRUE; 3845 if (*wp->w_buffer->b_p_ft != NUL 3846 && STRLEN(wp->w_buffer->b_p_ft) < TMPLEN - 2) 3847 { 3848 vim_snprintf((char *)tmp, sizeof(tmp), ",%s", 3849 wp->w_buffer->b_p_ft); 3850 for (t = tmp; *t != 0; t++) 3851 *t = TOUPPER_LOC(*t); 3852 str = tmp; 3853 } 3854 break; 3855 #endif 3856 3857 #if defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX) 3858 case STL_PREVIEWFLAG: 3859 case STL_PREVIEWFLAG_ALT: 3860 itemisflag = TRUE; 3861 if (wp->w_p_pvw) 3862 str = (char_u *)((opt == STL_PREVIEWFLAG_ALT) ? ",PRV" 3863 : _("[Preview]")); 3864 break; 3865 #endif 3866 3867 case STL_MODIFIED: 3868 case STL_MODIFIED_ALT: 3869 itemisflag = TRUE; 3870 switch ((opt == STL_MODIFIED_ALT) 3871 + bufIsChanged(wp->w_buffer) * 2 3872 + (!wp->w_buffer->b_p_ma) * 4) 3873 { 3874 case 2: str = (char_u *)"[+]"; break; 3875 case 3: str = (char_u *)",+"; break; 3876 case 4: str = (char_u *)"[-]"; break; 3877 case 5: str = (char_u *)",-"; break; 3878 case 6: str = (char_u *)"[+-]"; break; 3879 case 7: str = (char_u *)",+-"; break; 3880 } 3881 break; 3882 3883 case STL_HIGHLIGHT: 3884 t = s; 3885 while (*s != '#' && *s != NUL) 3886 ++s; 3887 if (*s == '#') 3888 { 3889 item[curitem].type = Highlight; 3890 item[curitem].start = p; 3891 item[curitem].minwid = -syn_namen2id(t, (int)(s - t)); 3892 curitem++; 3893 } 3894 ++s; 3895 continue; 3896 } 3897 3898 item[curitem].start = p; 3899 item[curitem].type = Normal; 3900 if (str != NULL && *str) 3901 { 3902 t = str; 3903 if (itemisflag) 3904 { 3905 if ((t[0] && t[1]) 3906 && ((!prevchar_isitem && *t == ',') 3907 || (prevchar_isflag && *t == ' '))) 3908 t++; 3909 prevchar_isflag = TRUE; 3910 } 3911 l = vim_strsize(t); 3912 if (l > 0) 3913 prevchar_isitem = TRUE; 3914 if (l > maxwid) 3915 { 3916 while (l >= maxwid) 3917 #ifdef FEAT_MBYTE 3918 if (has_mbyte) 3919 { 3920 l -= ptr2cells(t); 3921 t += (*mb_ptr2len)(t); 3922 } 3923 else 3924 #endif 3925 l -= byte2cells(*t++); 3926 if (p + 1 >= out + outlen) 3927 break; 3928 *p++ = '<'; 3929 } 3930 if (minwid > 0) 3931 { 3932 for (; l < minwid && p + 1 < out + outlen; l++) 3933 { 3934 /* Don't put a "-" in front of a digit. */ 3935 if (l + 1 == minwid && fillchar == '-' && VIM_ISDIGIT(*t)) 3936 *p++ = ' '; 3937 else 3938 *p++ = fillchar; 3939 } 3940 minwid = 0; 3941 } 3942 else 3943 minwid *= -1; 3944 while (*t && p + 1 < out + outlen) 3945 { 3946 *p++ = *t++; 3947 /* Change a space by fillchar, unless fillchar is '-' and a 3948 * digit follows. */ 3949 if (fillable && p[-1] == ' ' 3950 && (!VIM_ISDIGIT(*t) || fillchar != '-')) 3951 p[-1] = fillchar; 3952 } 3953 for (; l < minwid && p + 1 < out + outlen; l++) 3954 *p++ = fillchar; 3955 } 3956 else if (num >= 0) 3957 { 3958 int nbase = (base == 'D' ? 10 : (base == 'O' ? 8 : 16)); 3959 char_u nstr[20]; 3960 3961 if (p + 20 >= out + outlen) 3962 break; /* not sufficient space */ 3963 prevchar_isitem = TRUE; 3964 t = nstr; 3965 if (opt == STL_VIRTCOL_ALT) 3966 { 3967 *t++ = '-'; 3968 minwid--; 3969 } 3970 *t++ = '%'; 3971 if (zeropad) 3972 *t++ = '0'; 3973 *t++ = '*'; 3974 *t++ = nbase == 16 ? base : (char_u)(nbase == 8 ? 'o' : 'd'); 3975 *t = 0; 3976 3977 for (n = num, l = 1; n >= nbase; n /= nbase) 3978 l++; 3979 if (opt == STL_VIRTCOL_ALT) 3980 l++; 3981 if (l > maxwid) 3982 { 3983 l += 2; 3984 n = l - maxwid; 3985 while (l-- > maxwid) 3986 num /= nbase; 3987 *t++ = '>'; 3988 *t++ = '%'; 3989 *t = t[-3]; 3990 *++t = 0; 3991 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 3992 0, num, n); 3993 } 3994 else 3995 vim_snprintf((char *)p, outlen - (p - out), (char *)nstr, 3996 minwid, num); 3997 p += STRLEN(p); 3998 } 3999 else 4000 item[curitem].type = Empty; 4001 4002 if (opt == STL_VIM_EXPR) 4003 vim_free(str); 4004 4005 if (num >= 0 || (!itemisflag && str && *str)) 4006 prevchar_isflag = FALSE; /* Item not NULL, but not a flag */ 4007 curitem++; 4008 } 4009 *p = NUL; 4010 itemcnt = curitem; 4011 4012 #ifdef FEAT_EVAL 4013 if (usefmt != fmt) 4014 vim_free(usefmt); 4015 #endif 4016 4017 width = vim_strsize(out); 4018 if (maxwidth > 0 && width > maxwidth) 4019 { 4020 /* Result is too long, must truncate somewhere. */ 4021 l = 0; 4022 if (itemcnt == 0) 4023 s = out; 4024 else 4025 { 4026 for ( ; l < itemcnt; l++) 4027 if (item[l].type == Trunc) 4028 { 4029 /* Truncate at %< item. */ 4030 s = item[l].start; 4031 break; 4032 } 4033 if (l == itemcnt) 4034 { 4035 /* No %< item, truncate first item. */ 4036 s = item[0].start; 4037 l = 0; 4038 } 4039 } 4040 4041 if (width - vim_strsize(s) >= maxwidth) 4042 { 4043 /* Truncation mark is beyond max length */ 4044 #ifdef FEAT_MBYTE 4045 if (has_mbyte) 4046 { 4047 s = out; 4048 width = 0; 4049 for (;;) 4050 { 4051 width += ptr2cells(s); 4052 if (width >= maxwidth) 4053 break; 4054 s += (*mb_ptr2len)(s); 4055 } 4056 /* Fill up for half a double-wide character. */ 4057 while (++width < maxwidth) 4058 *s++ = fillchar; 4059 } 4060 else 4061 #endif 4062 s = out + maxwidth - 1; 4063 for (l = 0; l < itemcnt; l++) 4064 if (item[l].start > s) 4065 break; 4066 itemcnt = l; 4067 *s++ = '>'; 4068 *s = 0; 4069 } 4070 else 4071 { 4072 #ifdef FEAT_MBYTE 4073 if (has_mbyte) 4074 { 4075 n = 0; 4076 while (width >= maxwidth) 4077 { 4078 width -= ptr2cells(s + n); 4079 n += (*mb_ptr2len)(s + n); 4080 } 4081 } 4082 else 4083 #endif 4084 n = width - maxwidth + 1; 4085 p = s + n; 4086 STRMOVE(s + 1, p); 4087 *s = '<'; 4088 4089 /* Fill up for half a double-wide character. */ 4090 while (++width < maxwidth) 4091 { 4092 s = s + STRLEN(s); 4093 *s++ = fillchar; 4094 *s = NUL; 4095 } 4096 4097 --n; /* count the '<' */ 4098 for (; l < itemcnt; l++) 4099 { 4100 if (item[l].start - n >= s) 4101 item[l].start -= n; 4102 else 4103 item[l].start = s; 4104 } 4105 } 4106 width = maxwidth; 4107 } 4108 else if (width < maxwidth && STRLEN(out) + maxwidth - width + 1 < outlen) 4109 { 4110 /* Apply STL_MIDDLE if any */ 4111 for (l = 0; l < itemcnt; l++) 4112 if (item[l].type == Middle) 4113 break; 4114 if (l < itemcnt) 4115 { 4116 p = item[l].start + maxwidth - width; 4117 STRMOVE(p, item[l].start); 4118 for (s = item[l].start; s < p; s++) 4119 *s = fillchar; 4120 for (l++; l < itemcnt; l++) 4121 item[l].start += maxwidth - width; 4122 width = maxwidth; 4123 } 4124 } 4125 4126 /* Store the info about highlighting. */ 4127 if (hltab != NULL) 4128 { 4129 sp = hltab; 4130 for (l = 0; l < itemcnt; l++) 4131 { 4132 if (item[l].type == Highlight) 4133 { 4134 sp->start = item[l].start; 4135 sp->userhl = item[l].minwid; 4136 sp++; 4137 } 4138 } 4139 sp->start = NULL; 4140 sp->userhl = 0; 4141 } 4142 4143 /* Store the info about tab pages labels. */ 4144 if (tabtab != NULL) 4145 { 4146 sp = tabtab; 4147 for (l = 0; l < itemcnt; l++) 4148 { 4149 if (item[l].type == TabPage) 4150 { 4151 sp->start = item[l].start; 4152 sp->userhl = item[l].minwid; 4153 sp++; 4154 } 4155 } 4156 sp->start = NULL; 4157 sp->userhl = 0; 4158 } 4159 4160 return width; 4161 } 4162 #endif /* FEAT_STL_OPT */ 4163 4164 #if defined(FEAT_STL_OPT) || defined(FEAT_CMDL_INFO) \ 4165 || defined(FEAT_GUI_TABLINE) || defined(PROTO) 4166 /* 4167 * Get relative cursor position in window into "buf[buflen]", in the form 99%, 4168 * using "Top", "Bot" or "All" when appropriate. 4169 */ 4170 void 4171 get_rel_pos(wp, buf, buflen) 4172 win_T *wp; 4173 char_u *buf; 4174 int buflen; 4175 { 4176 long above; /* number of lines above window */ 4177 long below; /* number of lines below window */ 4178 4179 above = wp->w_topline - 1; 4180 #ifdef FEAT_DIFF 4181 above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill; 4182 #endif 4183 below = wp->w_buffer->b_ml.ml_line_count - wp->w_botline + 1; 4184 if (below <= 0) 4185 vim_strncpy(buf, (char_u *)(above == 0 ? _("All") : _("Bot")), 4186 (size_t)(buflen - 1)); 4187 else if (above <= 0) 4188 vim_strncpy(buf, (char_u *)_("Top"), (size_t)(buflen - 1)); 4189 else 4190 vim_snprintf((char *)buf, (size_t)buflen, "%2d%%", above > 1000000L 4191 ? (int)(above / ((above + below) / 100L)) 4192 : (int)(above * 100L / (above + below))); 4193 } 4194 #endif 4195 4196 /* 4197 * Append (file 2 of 8) to "buf[buflen]", if editing more than one file. 4198 * Return TRUE if it was appended. 4199 */ 4200 static int 4201 append_arg_number(wp, buf, buflen, add_file) 4202 win_T *wp; 4203 char_u *buf; 4204 int buflen; 4205 int add_file; /* Add "file" before the arg number */ 4206 { 4207 char_u *p; 4208 4209 if (ARGCOUNT <= 1) /* nothing to do */ 4210 return FALSE; 4211 4212 p = buf + STRLEN(buf); /* go to the end of the buffer */ 4213 if (p - buf + 35 >= buflen) /* getting too long */ 4214 return FALSE; 4215 *p++ = ' '; 4216 *p++ = '('; 4217 if (add_file) 4218 { 4219 STRCPY(p, "file "); 4220 p += 5; 4221 } 4222 vim_snprintf((char *)p, (size_t)(buflen - (p - buf)), 4223 wp->w_arg_idx_invalid ? "(%d) of %d)" 4224 : "%d of %d)", wp->w_arg_idx + 1, ARGCOUNT); 4225 return TRUE; 4226 } 4227 4228 /* 4229 * If fname is not a full path, make it a full path. 4230 * Returns pointer to allocated memory (NULL for failure). 4231 */ 4232 char_u * 4233 fix_fname(fname) 4234 char_u *fname; 4235 { 4236 /* 4237 * Force expanding the path always for Unix, because symbolic links may 4238 * mess up the full path name, even though it starts with a '/'. 4239 * Also expand when there is ".." in the file name, try to remove it, 4240 * because "c:/src/../README" is equal to "c:/README". 4241 * Similarly "c:/src//file" is equal to "c:/src/file". 4242 * For MS-Windows also expand names like "longna~1" to "longname". 4243 */ 4244 #ifdef UNIX 4245 return FullName_save(fname, TRUE); 4246 #else 4247 if (!vim_isAbsName(fname) 4248 || strstr((char *)fname, "..") != NULL 4249 || strstr((char *)fname, "//") != NULL 4250 # ifdef BACKSLASH_IN_FILENAME 4251 || strstr((char *)fname, "\\\\") != NULL 4252 # endif 4253 # if defined(MSWIN) || defined(DJGPP) 4254 || vim_strchr(fname, '~') != NULL 4255 # endif 4256 ) 4257 return FullName_save(fname, FALSE); 4258 4259 fname = vim_strsave(fname); 4260 4261 # ifdef USE_FNAME_CASE 4262 # ifdef USE_LONG_FNAME 4263 if (USE_LONG_FNAME) 4264 # endif 4265 { 4266 if (fname != NULL) 4267 fname_case(fname, 0); /* set correct case for file name */ 4268 } 4269 # endif 4270 4271 return fname; 4272 #endif 4273 } 4274 4275 /* 4276 * Make "ffname" a full file name, set "sfname" to "ffname" if not NULL. 4277 * "ffname" becomes a pointer to allocated memory (or NULL). 4278 */ 4279 void 4280 fname_expand(buf, ffname, sfname) 4281 buf_T *buf UNUSED; 4282 char_u **ffname; 4283 char_u **sfname; 4284 { 4285 if (*ffname == NULL) /* if no file name given, nothing to do */ 4286 return; 4287 if (*sfname == NULL) /* if no short file name given, use ffname */ 4288 *sfname = *ffname; 4289 *ffname = fix_fname(*ffname); /* expand to full path */ 4290 4291 #ifdef FEAT_SHORTCUT 4292 if (!buf->b_p_bin) 4293 { 4294 char_u *rfname; 4295 4296 /* If the file name is a shortcut file, use the file it links to. */ 4297 rfname = mch_resolve_shortcut(*ffname); 4298 if (rfname != NULL) 4299 { 4300 vim_free(*ffname); 4301 *ffname = rfname; 4302 *sfname = rfname; 4303 } 4304 } 4305 #endif 4306 } 4307 4308 /* 4309 * Get the file name for an argument list entry. 4310 */ 4311 char_u * 4312 alist_name(aep) 4313 aentry_T *aep; 4314 { 4315 buf_T *bp; 4316 4317 /* Use the name from the associated buffer if it exists. */ 4318 bp = buflist_findnr(aep->ae_fnum); 4319 if (bp == NULL || bp->b_fname == NULL) 4320 return aep->ae_fname; 4321 return bp->b_fname; 4322 } 4323 4324 #if defined(FEAT_WINDOWS) || defined(PROTO) 4325 /* 4326 * do_arg_all(): Open up to 'count' windows, one for each argument. 4327 */ 4328 void 4329 do_arg_all(count, forceit, keep_tabs) 4330 int count; 4331 int forceit; /* hide buffers in current windows */ 4332 int keep_tabs; /* keep current tabs, for ":tab drop file" */ 4333 { 4334 int i; 4335 win_T *wp, *wpnext; 4336 char_u *opened; /* array of flags for which args are open */ 4337 int opened_len; /* length of opened[] */ 4338 int use_firstwin = FALSE; /* use first window for arglist */ 4339 int split_ret = OK; 4340 int p_ea_save; 4341 alist_T *alist; /* argument list to be used */ 4342 buf_T *buf; 4343 tabpage_T *tpnext; 4344 int had_tab = cmdmod.tab; 4345 win_T *new_curwin = NULL; 4346 tabpage_T *new_curtab = NULL; 4347 4348 if (ARGCOUNT <= 0) 4349 { 4350 /* Don't give an error message. We don't want it when the ":all" 4351 * command is in the .vimrc. */ 4352 return; 4353 } 4354 setpcmark(); 4355 4356 opened_len = ARGCOUNT; 4357 opened = alloc_clear((unsigned)opened_len); 4358 if (opened == NULL) 4359 return; 4360 4361 #ifdef FEAT_GUI 4362 need_mouse_correct = TRUE; 4363 #endif 4364 4365 /* 4366 * Try closing all windows that are not in the argument list. 4367 * Also close windows that are not full width; 4368 * When 'hidden' or "forceit" set the buffer becomes hidden. 4369 * Windows that have a changed buffer and can't be hidden won't be closed. 4370 * When the ":tab" modifier was used do this for all tab pages. 4371 */ 4372 if (had_tab > 0) 4373 goto_tabpage_tp(first_tabpage); 4374 for (;;) 4375 { 4376 tpnext = curtab->tp_next; 4377 for (wp = firstwin; wp != NULL; wp = wpnext) 4378 { 4379 wpnext = wp->w_next; 4380 buf = wp->w_buffer; 4381 if (buf->b_ffname == NULL 4382 || buf->b_nwindows > 1 4383 #ifdef FEAT_VERTSPLIT 4384 || wp->w_width != Columns 4385 #endif 4386 ) 4387 i = ARGCOUNT; 4388 else 4389 { 4390 /* check if the buffer in this window is in the arglist */ 4391 for (i = 0; i < ARGCOUNT; ++i) 4392 { 4393 if (ARGLIST[i].ae_fnum == buf->b_fnum 4394 || fullpathcmp(alist_name(&ARGLIST[i]), 4395 buf->b_ffname, TRUE) & FPC_SAME) 4396 { 4397 if (i < opened_len) 4398 { 4399 opened[i] = TRUE; 4400 if (i == 0) 4401 { 4402 new_curwin = wp; 4403 new_curtab = curtab; 4404 } 4405 } 4406 if (wp->w_alist != curwin->w_alist) 4407 { 4408 /* Use the current argument list for all windows 4409 * containing a file from it. */ 4410 alist_unlink(wp->w_alist); 4411 wp->w_alist = curwin->w_alist; 4412 ++wp->w_alist->al_refcount; 4413 } 4414 break; 4415 } 4416 } 4417 } 4418 wp->w_arg_idx = i; 4419 4420 if (i == ARGCOUNT && !keep_tabs) /* close this window */ 4421 { 4422 if (P_HID(buf) || forceit || buf->b_nwindows > 1 4423 || !bufIsChanged(buf)) 4424 { 4425 /* If the buffer was changed, and we would like to hide it, 4426 * try autowriting. */ 4427 if (!P_HID(buf) && buf->b_nwindows <= 1 4428 && bufIsChanged(buf)) 4429 { 4430 (void)autowrite(buf, FALSE); 4431 #ifdef FEAT_AUTOCMD 4432 /* check if autocommands removed the window */ 4433 if (!win_valid(wp) || !buf_valid(buf)) 4434 { 4435 wpnext = firstwin; /* start all over... */ 4436 continue; 4437 } 4438 #endif 4439 } 4440 #ifdef FEAT_WINDOWS 4441 /* don't close last window */ 4442 if (firstwin == lastwin && first_tabpage->tp_next == NULL) 4443 #endif 4444 use_firstwin = TRUE; 4445 #ifdef FEAT_WINDOWS 4446 else 4447 { 4448 win_close(wp, !P_HID(buf) && !bufIsChanged(buf)); 4449 # ifdef FEAT_AUTOCMD 4450 /* check if autocommands removed the next window */ 4451 if (!win_valid(wpnext)) 4452 wpnext = firstwin; /* start all over... */ 4453 # endif 4454 } 4455 #endif 4456 } 4457 } 4458 } 4459 4460 /* Without the ":tab" modifier only do the current tab page. */ 4461 if (had_tab == 0 || tpnext == NULL) 4462 break; 4463 4464 # ifdef FEAT_AUTOCMD 4465 /* check if autocommands removed the next tab page */ 4466 if (!valid_tabpage(tpnext)) 4467 tpnext = first_tabpage; /* start all over...*/ 4468 # endif 4469 goto_tabpage_tp(tpnext); 4470 } 4471 4472 /* 4473 * Open a window for files in the argument list that don't have one. 4474 * ARGCOUNT may change while doing this, because of autocommands. 4475 */ 4476 if (count > ARGCOUNT || count <= 0) 4477 count = ARGCOUNT; 4478 4479 /* Autocommands may do anything to the argument list. Make sure it's not 4480 * freed while we are working here by "locking" it. We still have to 4481 * watch out for its size to be changed. */ 4482 alist = curwin->w_alist; 4483 ++alist->al_refcount; 4484 4485 #ifdef FEAT_AUTOCMD 4486 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4487 ++autocmd_no_enter; 4488 ++autocmd_no_leave; 4489 #endif 4490 win_enter(lastwin, FALSE); 4491 #ifdef FEAT_WINDOWS 4492 /* ":drop all" should re-use an empty window to avoid "--remote-tab" 4493 * leaving an empty tab page when executed locally. */ 4494 if (keep_tabs && bufempty() && curbuf->b_nwindows == 1 4495 && curbuf->b_ffname == NULL && !curbuf->b_changed) 4496 use_firstwin = TRUE; 4497 #endif 4498 4499 for (i = 0; i < count && i < alist->al_ga.ga_len && !got_int; ++i) 4500 { 4501 if (alist == &global_alist && i == global_alist.al_ga.ga_len - 1) 4502 arg_had_last = TRUE; 4503 if (i < opened_len && opened[i]) 4504 { 4505 /* Move the already present window to below the current window */ 4506 if (curwin->w_arg_idx != i) 4507 { 4508 for (wpnext = firstwin; wpnext != NULL; wpnext = wpnext->w_next) 4509 { 4510 if (wpnext->w_arg_idx == i) 4511 { 4512 win_move_after(wpnext, curwin); 4513 break; 4514 } 4515 } 4516 } 4517 } 4518 else if (split_ret == OK) 4519 { 4520 if (!use_firstwin) /* split current window */ 4521 { 4522 p_ea_save = p_ea; 4523 p_ea = TRUE; /* use space from all windows */ 4524 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4525 p_ea = p_ea_save; 4526 if (split_ret == FAIL) 4527 continue; 4528 } 4529 #ifdef FEAT_AUTOCMD 4530 else /* first window: do autocmd for leaving this buffer */ 4531 --autocmd_no_leave; 4532 #endif 4533 4534 /* 4535 * edit file "i" 4536 */ 4537 curwin->w_arg_idx = i; 4538 if (i == 0) 4539 { 4540 new_curwin = curwin; 4541 new_curtab = curtab; 4542 } 4543 (void)do_ecmd(0, alist_name(&AARGLIST(alist)[i]), NULL, NULL, 4544 ECMD_ONE, 4545 ((P_HID(curwin->w_buffer) 4546 || bufIsChanged(curwin->w_buffer)) ? ECMD_HIDE : 0) 4547 + ECMD_OLDBUF, curwin); 4548 #ifdef FEAT_AUTOCMD 4549 if (use_firstwin) 4550 ++autocmd_no_leave; 4551 #endif 4552 use_firstwin = FALSE; 4553 } 4554 ui_breakcheck(); 4555 4556 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4557 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4558 cmdmod.tab = 9999; 4559 } 4560 4561 /* Remove the "lock" on the argument list. */ 4562 alist_unlink(alist); 4563 4564 #ifdef FEAT_AUTOCMD 4565 --autocmd_no_enter; 4566 #endif 4567 /* to window with first arg */ 4568 if (valid_tabpage(new_curtab)) 4569 goto_tabpage_tp(new_curtab); 4570 if (win_valid(new_curwin)) 4571 win_enter(new_curwin, FALSE); 4572 4573 #ifdef FEAT_AUTOCMD 4574 --autocmd_no_leave; 4575 #endif 4576 vim_free(opened); 4577 } 4578 4579 # if defined(FEAT_LISTCMDS) || defined(PROTO) 4580 /* 4581 * Open a window for a number of buffers. 4582 */ 4583 void 4584 ex_buffer_all(eap) 4585 exarg_T *eap; 4586 { 4587 buf_T *buf; 4588 win_T *wp, *wpnext; 4589 int split_ret = OK; 4590 int p_ea_save; 4591 int open_wins = 0; 4592 int r; 4593 int count; /* Maximum number of windows to open. */ 4594 int all; /* When TRUE also load inactive buffers. */ 4595 #ifdef FEAT_WINDOWS 4596 int had_tab = cmdmod.tab; 4597 tabpage_T *tpnext; 4598 #endif 4599 4600 if (eap->addr_count == 0) /* make as many windows as possible */ 4601 count = 9999; 4602 else 4603 count = eap->line2; /* make as many windows as specified */ 4604 if (eap->cmdidx == CMD_unhide || eap->cmdidx == CMD_sunhide) 4605 all = FALSE; 4606 else 4607 all = TRUE; 4608 4609 setpcmark(); 4610 4611 #ifdef FEAT_GUI 4612 need_mouse_correct = TRUE; 4613 #endif 4614 4615 /* 4616 * Close superfluous windows (two windows for the same buffer). 4617 * Also close windows that are not full-width. 4618 */ 4619 #ifdef FEAT_WINDOWS 4620 if (had_tab > 0) 4621 goto_tabpage_tp(first_tabpage); 4622 for (;;) 4623 { 4624 #endif 4625 tpnext = curtab->tp_next; 4626 for (wp = firstwin; wp != NULL; wp = wpnext) 4627 { 4628 wpnext = wp->w_next; 4629 if ((wp->w_buffer->b_nwindows > 1 4630 #ifdef FEAT_VERTSPLIT 4631 || ((cmdmod.split & WSP_VERT) 4632 ? wp->w_height + wp->w_status_height < Rows - p_ch 4633 - tabline_height() 4634 : wp->w_width != Columns) 4635 #endif 4636 #ifdef FEAT_WINDOWS 4637 || (had_tab > 0 && wp != firstwin) 4638 #endif 4639 ) && firstwin != lastwin) 4640 { 4641 win_close(wp, FALSE); 4642 #ifdef FEAT_AUTOCMD 4643 wpnext = firstwin; /* just in case an autocommand does 4644 something strange with windows */ 4645 tpnext = first_tabpage; /* start all over...*/ 4646 open_wins = 0; 4647 #endif 4648 } 4649 else 4650 ++open_wins; 4651 } 4652 4653 #ifdef FEAT_WINDOWS 4654 /* Without the ":tab" modifier only do the current tab page. */ 4655 if (had_tab == 0 || tpnext == NULL) 4656 break; 4657 goto_tabpage_tp(tpnext); 4658 } 4659 #endif 4660 4661 /* 4662 * Go through the buffer list. When a buffer doesn't have a window yet, 4663 * open one. Otherwise move the window to the right position. 4664 * Watch out for autocommands that delete buffers or windows! 4665 */ 4666 #ifdef FEAT_AUTOCMD 4667 /* Don't execute Win/Buf Enter/Leave autocommands here. */ 4668 ++autocmd_no_enter; 4669 #endif 4670 win_enter(lastwin, FALSE); 4671 #ifdef FEAT_AUTOCMD 4672 ++autocmd_no_leave; 4673 #endif 4674 for (buf = firstbuf; buf != NULL && open_wins < count; buf = buf->b_next) 4675 { 4676 /* Check if this buffer needs a window */ 4677 if ((!all && buf->b_ml.ml_mfp == NULL) || !buf->b_p_bl) 4678 continue; 4679 4680 #ifdef FEAT_WINDOWS 4681 if (had_tab != 0) 4682 { 4683 /* With the ":tab" modifier don't move the window. */ 4684 if (buf->b_nwindows > 0) 4685 wp = lastwin; /* buffer has a window, skip it */ 4686 else 4687 wp = NULL; 4688 } 4689 else 4690 #endif 4691 { 4692 /* Check if this buffer already has a window */ 4693 for (wp = firstwin; wp != NULL; wp = wp->w_next) 4694 if (wp->w_buffer == buf) 4695 break; 4696 /* If the buffer already has a window, move it */ 4697 if (wp != NULL) 4698 win_move_after(wp, curwin); 4699 } 4700 4701 if (wp == NULL && split_ret == OK) 4702 { 4703 /* Split the window and put the buffer in it */ 4704 p_ea_save = p_ea; 4705 p_ea = TRUE; /* use space from all windows */ 4706 split_ret = win_split(0, WSP_ROOM | WSP_BELOW); 4707 ++open_wins; 4708 p_ea = p_ea_save; 4709 if (split_ret == FAIL) 4710 continue; 4711 4712 /* Open the buffer in this window. */ 4713 #if defined(HAS_SWAP_EXISTS_ACTION) 4714 swap_exists_action = SEA_DIALOG; 4715 #endif 4716 set_curbuf(buf, DOBUF_GOTO); 4717 #ifdef FEAT_AUTOCMD 4718 if (!buf_valid(buf)) /* autocommands deleted the buffer!!! */ 4719 { 4720 #if defined(HAS_SWAP_EXISTS_ACTION) 4721 swap_exists_action = SEA_NONE; 4722 # endif 4723 break; 4724 } 4725 #endif 4726 #if defined(HAS_SWAP_EXISTS_ACTION) 4727 if (swap_exists_action == SEA_QUIT) 4728 { 4729 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4730 cleanup_T cs; 4731 4732 /* Reset the error/interrupt/exception state here so that 4733 * aborting() returns FALSE when closing a window. */ 4734 enter_cleanup(&cs); 4735 # endif 4736 4737 /* User selected Quit at ATTENTION prompt; close this window. */ 4738 win_close(curwin, TRUE); 4739 --open_wins; 4740 swap_exists_action = SEA_NONE; 4741 swap_exists_did_quit = TRUE; 4742 4743 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 4744 /* Restore the error/interrupt/exception state if not 4745 * discarded by a new aborting error, interrupt, or uncaught 4746 * exception. */ 4747 leave_cleanup(&cs); 4748 # endif 4749 } 4750 else 4751 handle_swap_exists(NULL); 4752 #endif 4753 } 4754 4755 ui_breakcheck(); 4756 if (got_int) 4757 { 4758 (void)vgetc(); /* only break the file loading, not the rest */ 4759 break; 4760 } 4761 #ifdef FEAT_EVAL 4762 /* Autocommands deleted the buffer or aborted script processing!!! */ 4763 if (aborting()) 4764 break; 4765 #endif 4766 #ifdef FEAT_WINDOWS 4767 /* When ":tab" was used open a new tab for a new window repeatedly. */ 4768 if (had_tab > 0 && tabpage_index(NULL) <= p_tpm) 4769 cmdmod.tab = 9999; 4770 #endif 4771 } 4772 #ifdef FEAT_AUTOCMD 4773 --autocmd_no_enter; 4774 #endif 4775 win_enter(firstwin, FALSE); /* back to first window */ 4776 #ifdef FEAT_AUTOCMD 4777 --autocmd_no_leave; 4778 #endif 4779 4780 /* 4781 * Close superfluous windows. 4782 */ 4783 for (wp = lastwin; open_wins > count; ) 4784 { 4785 r = (P_HID(wp->w_buffer) || !bufIsChanged(wp->w_buffer) 4786 || autowrite(wp->w_buffer, FALSE) == OK); 4787 #ifdef FEAT_AUTOCMD 4788 if (!win_valid(wp)) 4789 { 4790 /* BufWrite Autocommands made the window invalid, start over */ 4791 wp = lastwin; 4792 } 4793 else 4794 #endif 4795 if (r) 4796 { 4797 win_close(wp, !P_HID(wp->w_buffer)); 4798 --open_wins; 4799 wp = lastwin; 4800 } 4801 else 4802 { 4803 wp = wp->w_prev; 4804 if (wp == NULL) 4805 break; 4806 } 4807 } 4808 } 4809 # endif /* FEAT_LISTCMDS */ 4810 4811 #endif /* FEAT_WINDOWS */ 4812 4813 static int chk_modeline __ARGS((linenr_T, int)); 4814 4815 /* 4816 * do_modelines() - process mode lines for the current file 4817 * 4818 * "flags" can be: 4819 * OPT_WINONLY only set options local to window 4820 * OPT_NOWIN don't set options local to window 4821 * 4822 * Returns immediately if the "ml" option isn't set. 4823 */ 4824 void 4825 do_modelines(flags) 4826 int flags; 4827 { 4828 linenr_T lnum; 4829 int nmlines; 4830 static int entered = 0; 4831 4832 if (!curbuf->b_p_ml || (nmlines = (int)p_mls) == 0) 4833 return; 4834 4835 /* Disallow recursive entry here. Can happen when executing a modeline 4836 * triggers an autocommand, which reloads modelines with a ":do". */ 4837 if (entered) 4838 return; 4839 4840 ++entered; 4841 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count && lnum <= nmlines; 4842 ++lnum) 4843 if (chk_modeline(lnum, flags) == FAIL) 4844 nmlines = 0; 4845 4846 for (lnum = curbuf->b_ml.ml_line_count; lnum > 0 && lnum > nmlines 4847 && lnum > curbuf->b_ml.ml_line_count - nmlines; --lnum) 4848 if (chk_modeline(lnum, flags) == FAIL) 4849 nmlines = 0; 4850 --entered; 4851 } 4852 4853 #include "version.h" /* for version number */ 4854 4855 /* 4856 * chk_modeline() - check a single line for a mode string 4857 * Return FAIL if an error encountered. 4858 */ 4859 static int 4860 chk_modeline(lnum, flags) 4861 linenr_T lnum; 4862 int flags; /* Same as for do_modelines(). */ 4863 { 4864 char_u *s; 4865 char_u *e; 4866 char_u *linecopy; /* local copy of any modeline found */ 4867 int prev; 4868 int vers; 4869 int end; 4870 int retval = OK; 4871 char_u *save_sourcing_name; 4872 linenr_T save_sourcing_lnum; 4873 #ifdef FEAT_EVAL 4874 scid_T save_SID; 4875 #endif 4876 4877 prev = -1; 4878 for (s = ml_get(lnum); *s != NUL; ++s) 4879 { 4880 if (prev == -1 || vim_isspace(prev)) 4881 { 4882 if ((prev != -1 && STRNCMP(s, "ex:", (size_t)3) == 0) 4883 || STRNCMP(s, "vi:", (size_t)3) == 0) 4884 break; 4885 if (STRNCMP(s, "vim", 3) == 0) 4886 { 4887 if (s[3] == '<' || s[3] == '=' || s[3] == '>') 4888 e = s + 4; 4889 else 4890 e = s + 3; 4891 vers = getdigits(&e); 4892 if (*e == ':' 4893 && (s[3] == ':' 4894 || (VIM_VERSION_100 >= vers && isdigit(s[3])) 4895 || (VIM_VERSION_100 < vers && s[3] == '<') 4896 || (VIM_VERSION_100 > vers && s[3] == '>') 4897 || (VIM_VERSION_100 == vers && s[3] == '='))) 4898 break; 4899 } 4900 } 4901 prev = *s; 4902 } 4903 4904 if (*s) 4905 { 4906 do /* skip over "ex:", "vi:" or "vim:" */ 4907 ++s; 4908 while (s[-1] != ':'); 4909 4910 s = linecopy = vim_strsave(s); /* copy the line, it will change */ 4911 if (linecopy == NULL) 4912 return FAIL; 4913 4914 save_sourcing_lnum = sourcing_lnum; 4915 save_sourcing_name = sourcing_name; 4916 sourcing_lnum = lnum; /* prepare for emsg() */ 4917 sourcing_name = (char_u *)"modelines"; 4918 4919 end = FALSE; 4920 while (end == FALSE) 4921 { 4922 s = skipwhite(s); 4923 if (*s == NUL) 4924 break; 4925 4926 /* 4927 * Find end of set command: ':' or end of line. 4928 * Skip over "\:", replacing it with ":". 4929 */ 4930 for (e = s; *e != ':' && *e != NUL; ++e) 4931 if (e[0] == '\\' && e[1] == ':') 4932 STRMOVE(e, e + 1); 4933 if (*e == NUL) 4934 end = TRUE; 4935 4936 /* 4937 * If there is a "set" command, require a terminating ':' and 4938 * ignore the stuff after the ':'. 4939 * "vi:set opt opt opt: foo" -- foo not interpreted 4940 * "vi:opt opt opt: foo" -- foo interpreted 4941 * Accept "se" for compatibility with Elvis. 4942 */ 4943 if (STRNCMP(s, "set ", (size_t)4) == 0 4944 || STRNCMP(s, "se ", (size_t)3) == 0) 4945 { 4946 if (*e != ':') /* no terminating ':'? */ 4947 break; 4948 end = TRUE; 4949 s = vim_strchr(s, ' ') + 1; 4950 } 4951 *e = NUL; /* truncate the set command */ 4952 4953 if (*s != NUL) /* skip over an empty "::" */ 4954 { 4955 #ifdef FEAT_EVAL 4956 save_SID = current_SID; 4957 current_SID = SID_MODELINE; 4958 #endif 4959 retval = do_set(s, OPT_MODELINE | OPT_LOCAL | flags); 4960 #ifdef FEAT_EVAL 4961 current_SID = save_SID; 4962 #endif 4963 if (retval == FAIL) /* stop if error found */ 4964 break; 4965 } 4966 s = e + 1; /* advance to next part */ 4967 } 4968 4969 sourcing_lnum = save_sourcing_lnum; 4970 sourcing_name = save_sourcing_name; 4971 4972 vim_free(linecopy); 4973 } 4974 return retval; 4975 } 4976 4977 #if defined(FEAT_VIMINFO) || defined(PROTO) 4978 int 4979 read_viminfo_bufferlist(virp, writing) 4980 vir_T *virp; 4981 int writing; 4982 { 4983 char_u *tab; 4984 linenr_T lnum; 4985 colnr_T col; 4986 buf_T *buf; 4987 char_u *sfname; 4988 char_u *xline; 4989 4990 /* Handle long line and escaped characters. */ 4991 xline = viminfo_readstring(virp, 1, FALSE); 4992 4993 /* don't read in if there are files on the command-line or if writing: */ 4994 if (xline != NULL && !writing && ARGCOUNT == 0 4995 && find_viminfo_parameter('%') != NULL) 4996 { 4997 /* Format is: <fname> Tab <lnum> Tab <col>. 4998 * Watch out for a Tab in the file name, work from the end. */ 4999 lnum = 0; 5000 col = 0; 5001 tab = vim_strrchr(xline, '\t'); 5002 if (tab != NULL) 5003 { 5004 *tab++ = '\0'; 5005 col = (colnr_T)atoi((char *)tab); 5006 tab = vim_strrchr(xline, '\t'); 5007 if (tab != NULL) 5008 { 5009 *tab++ = '\0'; 5010 lnum = atol((char *)tab); 5011 } 5012 } 5013 5014 /* Expand "~/" in the file name at "line + 1" to a full path. 5015 * Then try shortening it by comparing with the current directory */ 5016 expand_env(xline, NameBuff, MAXPATHL); 5017 sfname = shorten_fname1(NameBuff); 5018 5019 buf = buflist_new(NameBuff, sfname, (linenr_T)0, BLN_LISTED); 5020 if (buf != NULL) /* just in case... */ 5021 { 5022 buf->b_last_cursor.lnum = lnum; 5023 buf->b_last_cursor.col = col; 5024 buflist_setfpos(buf, curwin, lnum, col, FALSE); 5025 } 5026 } 5027 vim_free(xline); 5028 5029 return viminfo_readline(virp); 5030 } 5031 5032 void 5033 write_viminfo_bufferlist(fp) 5034 FILE *fp; 5035 { 5036 buf_T *buf; 5037 #ifdef FEAT_WINDOWS 5038 win_T *win; 5039 tabpage_T *tp; 5040 #endif 5041 char_u *line; 5042 int max_buffers; 5043 size_t len; 5044 5045 if (find_viminfo_parameter('%') == NULL) 5046 return; 5047 5048 /* Without a number -1 is returned: do all buffers. */ 5049 max_buffers = get_viminfo_parameter('%'); 5050 5051 /* Allocate room for the file name, lnum and col. */ 5052 #define LINE_BUF_LEN (MAXPATHL + 40) 5053 line = alloc(LINE_BUF_LEN); 5054 if (line == NULL) 5055 return; 5056 5057 #ifdef FEAT_WINDOWS 5058 FOR_ALL_TAB_WINDOWS(tp, win) 5059 set_last_cursor(win); 5060 #else 5061 set_last_cursor(curwin); 5062 #endif 5063 5064 fprintf(fp, _("\n# Buffer list:\n")); 5065 for (buf = firstbuf; buf != NULL ; buf = buf->b_next) 5066 { 5067 if (buf->b_fname == NULL 5068 || !buf->b_p_bl 5069 #ifdef FEAT_QUICKFIX 5070 || bt_quickfix(buf) 5071 #endif 5072 || removable(buf->b_ffname)) 5073 continue; 5074 5075 if (max_buffers-- == 0) 5076 break; 5077 putc('%', fp); 5078 home_replace(NULL, buf->b_ffname, line, MAXPATHL, TRUE); 5079 len = STRLEN(line); 5080 vim_snprintf((char *)line + len, len - LINE_BUF_LEN, "\t%ld\t%d", 5081 (long)buf->b_last_cursor.lnum, 5082 buf->b_last_cursor.col); 5083 viminfo_writestring(fp, line); 5084 } 5085 vim_free(line); 5086 } 5087 #endif 5088 5089 5090 /* 5091 * Return special buffer name. 5092 * Returns NULL when the buffer has a normal file name. 5093 */ 5094 char * 5095 buf_spname(buf) 5096 buf_T *buf; 5097 { 5098 #if defined(FEAT_QUICKFIX) && defined(FEAT_WINDOWS) 5099 if (bt_quickfix(buf)) 5100 { 5101 win_T *win = NULL; 5102 tabpage_T *tp; 5103 5104 /* 5105 * For location list window, w_llist_ref points to the location list. 5106 * For quickfix window, w_llist_ref is NULL. 5107 */ 5108 FOR_ALL_TAB_WINDOWS(tp, win) 5109 if (win->w_buffer == buf) 5110 goto win_found; 5111 win_found: 5112 if (win != NULL && win->w_llist_ref != NULL) 5113 return _("[Location List]"); 5114 else 5115 return _("[Quickfix List]"); 5116 } 5117 #endif 5118 #ifdef FEAT_QUICKFIX 5119 /* There is no _file_ when 'buftype' is "nofile", b_sfname 5120 * contains the name as specified by the user */ 5121 if (bt_nofile(buf)) 5122 { 5123 if (buf->b_sfname != NULL) 5124 return (char *)buf->b_sfname; 5125 return _("[Scratch]"); 5126 } 5127 #endif 5128 if (buf->b_fname == NULL) 5129 return _("[No Name]"); 5130 return NULL; 5131 } 5132 5133 5134 #if defined(FEAT_SIGNS) || defined(PROTO) 5135 /* 5136 * Insert the sign into the signlist. 5137 */ 5138 static void 5139 insert_sign(buf, prev, next, id, lnum, typenr) 5140 buf_T *buf; /* buffer to store sign in */ 5141 signlist_T *prev; /* previous sign entry */ 5142 signlist_T *next; /* next sign entry */ 5143 int id; /* sign ID */ 5144 linenr_T lnum; /* line number which gets the mark */ 5145 int typenr; /* typenr of sign we are adding */ 5146 { 5147 signlist_T *newsign; 5148 5149 newsign = (signlist_T *)lalloc((long_u)sizeof(signlist_T), FALSE); 5150 if (newsign != NULL) 5151 { 5152 newsign->id = id; 5153 newsign->lnum = lnum; 5154 newsign->typenr = typenr; 5155 newsign->next = next; 5156 #ifdef FEAT_NETBEANS_INTG 5157 newsign->prev = prev; 5158 if (next != NULL) 5159 next->prev = newsign; 5160 #endif 5161 5162 if (prev == NULL) 5163 { 5164 /* When adding first sign need to redraw the windows to create the 5165 * column for signs. */ 5166 if (buf->b_signlist == NULL) 5167 { 5168 redraw_buf_later(buf, NOT_VALID); 5169 changed_cline_bef_curs(); 5170 } 5171 5172 /* first sign in signlist */ 5173 buf->b_signlist = newsign; 5174 } 5175 else 5176 prev->next = newsign; 5177 } 5178 } 5179 5180 /* 5181 * Add the sign into the signlist. Find the right spot to do it though. 5182 */ 5183 void 5184 buf_addsign(buf, id, lnum, typenr) 5185 buf_T *buf; /* buffer to store sign in */ 5186 int id; /* sign ID */ 5187 linenr_T lnum; /* line number which gets the mark */ 5188 int typenr; /* typenr of sign we are adding */ 5189 { 5190 signlist_T *sign; /* a sign in the signlist */ 5191 signlist_T *prev; /* the previous sign */ 5192 5193 prev = NULL; 5194 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5195 { 5196 if (lnum == sign->lnum && id == sign->id) 5197 { 5198 sign->typenr = typenr; 5199 return; 5200 } 5201 else if ( 5202 #ifndef FEAT_NETBEANS_INTG /* keep signs sorted by lnum */ 5203 id < 0 && 5204 #endif 5205 lnum < sign->lnum) 5206 { 5207 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5208 /* XXX - GRP: Is this because of sign slide problem? Or is it 5209 * really needed? Or is it because we allow multiple signs per 5210 * line? If so, should I add that feature to FEAT_SIGNS? 5211 */ 5212 while (prev != NULL && prev->lnum == lnum) 5213 prev = prev->prev; 5214 if (prev == NULL) 5215 sign = buf->b_signlist; 5216 else 5217 sign = prev->next; 5218 #endif 5219 insert_sign(buf, prev, sign, id, lnum, typenr); 5220 return; 5221 } 5222 prev = sign; 5223 } 5224 #ifdef FEAT_NETBEANS_INTG /* insert new sign at head of list for this lnum */ 5225 /* XXX - GRP: See previous comment */ 5226 while (prev != NULL && prev->lnum == lnum) 5227 prev = prev->prev; 5228 if (prev == NULL) 5229 sign = buf->b_signlist; 5230 else 5231 sign = prev->next; 5232 #endif 5233 insert_sign(buf, prev, sign, id, lnum, typenr); 5234 5235 return; 5236 } 5237 5238 linenr_T 5239 buf_change_sign_type(buf, markId, typenr) 5240 buf_T *buf; /* buffer to store sign in */ 5241 int markId; /* sign ID */ 5242 int typenr; /* typenr of sign we are adding */ 5243 { 5244 signlist_T *sign; /* a sign in the signlist */ 5245 5246 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5247 { 5248 if (sign->id == markId) 5249 { 5250 sign->typenr = typenr; 5251 return sign->lnum; 5252 } 5253 } 5254 5255 return (linenr_T)0; 5256 } 5257 5258 int 5259 buf_getsigntype(buf, lnum, type) 5260 buf_T *buf; 5261 linenr_T lnum; 5262 int type; /* SIGN_ICON, SIGN_TEXT, SIGN_ANY, SIGN_LINEHL */ 5263 { 5264 signlist_T *sign; /* a sign in a b_signlist */ 5265 5266 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5267 if (sign->lnum == lnum 5268 && (type == SIGN_ANY 5269 # ifdef FEAT_SIGN_ICONS 5270 || (type == SIGN_ICON 5271 && sign_get_image(sign->typenr) != NULL) 5272 # endif 5273 || (type == SIGN_TEXT 5274 && sign_get_text(sign->typenr) != NULL) 5275 || (type == SIGN_LINEHL 5276 && sign_get_attr(sign->typenr, TRUE) != 0))) 5277 return sign->typenr; 5278 return 0; 5279 } 5280 5281 5282 linenr_T 5283 buf_delsign(buf, id) 5284 buf_T *buf; /* buffer sign is stored in */ 5285 int id; /* sign id */ 5286 { 5287 signlist_T **lastp; /* pointer to pointer to current sign */ 5288 signlist_T *sign; /* a sign in a b_signlist */ 5289 signlist_T *next; /* the next sign in a b_signlist */ 5290 linenr_T lnum; /* line number whose sign was deleted */ 5291 5292 lastp = &buf->b_signlist; 5293 lnum = 0; 5294 for (sign = buf->b_signlist; sign != NULL; sign = next) 5295 { 5296 next = sign->next; 5297 if (sign->id == id) 5298 { 5299 *lastp = next; 5300 #ifdef FEAT_NETBEANS_INTG 5301 if (next != NULL) 5302 next->prev = sign->prev; 5303 #endif 5304 lnum = sign->lnum; 5305 vim_free(sign); 5306 break; 5307 } 5308 else 5309 lastp = &sign->next; 5310 } 5311 5312 /* When deleted the last sign need to redraw the windows to remove the 5313 * sign column. */ 5314 if (buf->b_signlist == NULL) 5315 { 5316 redraw_buf_later(buf, NOT_VALID); 5317 changed_cline_bef_curs(); 5318 } 5319 5320 return lnum; 5321 } 5322 5323 5324 /* 5325 * Find the line number of the sign with the requested id. If the sign does 5326 * not exist, return 0 as the line number. This will still let the correct file 5327 * get loaded. 5328 */ 5329 int 5330 buf_findsign(buf, id) 5331 buf_T *buf; /* buffer to store sign in */ 5332 int id; /* sign ID */ 5333 { 5334 signlist_T *sign; /* a sign in the signlist */ 5335 5336 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5337 if (sign->id == id) 5338 return sign->lnum; 5339 5340 return 0; 5341 } 5342 5343 int 5344 buf_findsign_id(buf, lnum) 5345 buf_T *buf; /* buffer whose sign we are searching for */ 5346 linenr_T lnum; /* line number of sign */ 5347 { 5348 signlist_T *sign; /* a sign in the signlist */ 5349 5350 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5351 if (sign->lnum == lnum) 5352 return sign->id; 5353 5354 return 0; 5355 } 5356 5357 5358 # if defined(FEAT_NETBEANS_INTG) || defined(PROTO) 5359 /* see if a given type of sign exists on a specific line */ 5360 int 5361 buf_findsigntype_id(buf, lnum, typenr) 5362 buf_T *buf; /* buffer whose sign we are searching for */ 5363 linenr_T lnum; /* line number of sign */ 5364 int typenr; /* sign type number */ 5365 { 5366 signlist_T *sign; /* a sign in the signlist */ 5367 5368 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5369 if (sign->lnum == lnum && sign->typenr == typenr) 5370 return sign->id; 5371 5372 return 0; 5373 } 5374 5375 5376 # if defined(FEAT_SIGN_ICONS) || defined(PROTO) 5377 /* return the number of icons on the given line */ 5378 int 5379 buf_signcount(buf, lnum) 5380 buf_T *buf; 5381 linenr_T lnum; 5382 { 5383 signlist_T *sign; /* a sign in the signlist */ 5384 int count = 0; 5385 5386 for (sign = buf->b_signlist; sign != NULL; sign = sign->next) 5387 if (sign->lnum == lnum) 5388 if (sign_get_image(sign->typenr) != NULL) 5389 count++; 5390 5391 return count; 5392 } 5393 # endif /* FEAT_SIGN_ICONS */ 5394 # endif /* FEAT_NETBEANS_INTG */ 5395 5396 5397 /* 5398 * Delete signs in buffer "buf". 5399 */ 5400 static void 5401 buf_delete_signs(buf) 5402 buf_T *buf; 5403 { 5404 signlist_T *next; 5405 5406 while (buf->b_signlist != NULL) 5407 { 5408 next = buf->b_signlist->next; 5409 vim_free(buf->b_signlist); 5410 buf->b_signlist = next; 5411 } 5412 } 5413 5414 /* 5415 * Delete all signs in all buffers. 5416 */ 5417 void 5418 buf_delete_all_signs() 5419 { 5420 buf_T *buf; /* buffer we are checking for signs */ 5421 5422 for (buf = firstbuf; buf != NULL; buf = buf->b_next) 5423 if (buf->b_signlist != NULL) 5424 { 5425 /* Need to redraw the windows to remove the sign column. */ 5426 redraw_buf_later(buf, NOT_VALID); 5427 buf_delete_signs(buf); 5428 } 5429 } 5430 5431 /* 5432 * List placed signs for "rbuf". If "rbuf" is NULL do it for all buffers. 5433 */ 5434 void 5435 sign_list_placed(rbuf) 5436 buf_T *rbuf; 5437 { 5438 buf_T *buf; 5439 signlist_T *p; 5440 char lbuf[BUFSIZ]; 5441 5442 MSG_PUTS_TITLE(_("\n--- Signs ---")); 5443 msg_putchar('\n'); 5444 if (rbuf == NULL) 5445 buf = firstbuf; 5446 else 5447 buf = rbuf; 5448 while (buf != NULL) 5449 { 5450 if (buf->b_signlist != NULL) 5451 { 5452 vim_snprintf(lbuf, BUFSIZ, _("Signs for %s:"), buf->b_fname); 5453 MSG_PUTS_ATTR(lbuf, hl_attr(HLF_D)); 5454 msg_putchar('\n'); 5455 } 5456 for (p = buf->b_signlist; p != NULL; p = p->next) 5457 { 5458 vim_snprintf(lbuf, BUFSIZ, _(" line=%ld id=%d name=%s"), 5459 (long)p->lnum, p->id, sign_typenr2name(p->typenr)); 5460 MSG_PUTS(lbuf); 5461 msg_putchar('\n'); 5462 } 5463 if (rbuf != NULL) 5464 break; 5465 buf = buf->b_next; 5466 } 5467 } 5468 5469 /* 5470 * Adjust a placed sign for inserted/deleted lines. 5471 */ 5472 void 5473 sign_mark_adjust(line1, line2, amount, amount_after) 5474 linenr_T line1; 5475 linenr_T line2; 5476 long amount; 5477 long amount_after; 5478 { 5479 signlist_T *sign; /* a sign in a b_signlist */ 5480 5481 for (sign = curbuf->b_signlist; sign != NULL; sign = sign->next) 5482 { 5483 if (sign->lnum >= line1 && sign->lnum <= line2) 5484 { 5485 if (amount == MAXLNUM) 5486 sign->lnum = line1; 5487 else 5488 sign->lnum += amount; 5489 } 5490 else if (sign->lnum > line2) 5491 sign->lnum += amount_after; 5492 } 5493 } 5494 #endif /* FEAT_SIGNS */ 5495 5496 /* 5497 * Set 'buflisted' for curbuf to "on" and trigger autocommands if it changed. 5498 */ 5499 void 5500 set_buflisted(on) 5501 int on; 5502 { 5503 if (on != curbuf->b_p_bl) 5504 { 5505 curbuf->b_p_bl = on; 5506 #ifdef FEAT_AUTOCMD 5507 if (on) 5508 apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, curbuf); 5509 else 5510 apply_autocmds(EVENT_BUFDELETE, NULL, NULL, FALSE, curbuf); 5511 #endif 5512 } 5513 } 5514 5515 /* 5516 * Read the file for "buf" again and check if the contents changed. 5517 * Return TRUE if it changed or this could not be checked. 5518 */ 5519 int 5520 buf_contents_changed(buf) 5521 buf_T *buf; 5522 { 5523 buf_T *newbuf; 5524 int differ = TRUE; 5525 linenr_T lnum; 5526 aco_save_T aco; 5527 exarg_T ea; 5528 5529 /* Allocate a buffer without putting it in the buffer list. */ 5530 newbuf = buflist_new(NULL, NULL, (linenr_T)1, BLN_DUMMY); 5531 if (newbuf == NULL) 5532 return TRUE; 5533 5534 /* Force the 'fileencoding' and 'fileformat' to be equal. */ 5535 if (prep_exarg(&ea, buf) == FAIL) 5536 { 5537 wipe_buffer(newbuf, FALSE); 5538 return TRUE; 5539 } 5540 5541 /* set curwin/curbuf to buf and save a few things */ 5542 aucmd_prepbuf(&aco, newbuf); 5543 5544 if (ml_open(curbuf) == OK 5545 && readfile(buf->b_ffname, buf->b_fname, 5546 (linenr_T)0, (linenr_T)0, (linenr_T)MAXLNUM, 5547 &ea, READ_NEW | READ_DUMMY) == OK) 5548 { 5549 /* compare the two files line by line */ 5550 if (buf->b_ml.ml_line_count == curbuf->b_ml.ml_line_count) 5551 { 5552 differ = FALSE; 5553 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 5554 if (STRCMP(ml_get_buf(buf, lnum, FALSE), ml_get(lnum)) != 0) 5555 { 5556 differ = TRUE; 5557 break; 5558 } 5559 } 5560 } 5561 vim_free(ea.cmd); 5562 5563 /* restore curwin/curbuf and a few other things */ 5564 aucmd_restbuf(&aco); 5565 5566 if (curbuf != newbuf) /* safety check */ 5567 wipe_buffer(newbuf, FALSE); 5568 5569 return differ; 5570 } 5571 5572 /* 5573 * Wipe out a buffer and decrement the last buffer number if it was used for 5574 * this buffer. Call this to wipe out a temp buffer that does not contain any 5575 * marks. 5576 */ 5577 void 5578 wipe_buffer(buf, aucmd) 5579 buf_T *buf; 5580 int aucmd UNUSED; /* When TRUE trigger autocommands. */ 5581 { 5582 if (buf->b_fnum == top_file_num - 1) 5583 --top_file_num; 5584 5585 #ifdef FEAT_AUTOCMD 5586 if (!aucmd) /* Don't trigger BufDelete autocommands here. */ 5587 block_autocmds(); 5588 #endif 5589 close_buffer(NULL, buf, DOBUF_WIPE); 5590 #ifdef FEAT_AUTOCMD 5591 if (!aucmd) 5592 unblock_autocmds(); 5593 #endif 5594 } 5595