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 * ex_getln.c: Functions for entering and editing an Ex command line. 12 */ 13 14 #include "vim.h" 15 16 /* 17 * Variables shared between getcmdline(), redrawcmdline() and others. 18 * These need to be saved when using CTRL-R |, that's why they are in a 19 * structure. 20 */ 21 struct cmdline_info 22 { 23 char_u *cmdbuff; /* pointer to command line buffer */ 24 int cmdbufflen; /* length of cmdbuff */ 25 int cmdlen; /* number of chars in command line */ 26 int cmdpos; /* current cursor position */ 27 int cmdspos; /* cursor column on screen */ 28 int cmdfirstc; /* ':', '/', '?', '=', '>' or NUL */ 29 int cmdindent; /* number of spaces before cmdline */ 30 char_u *cmdprompt; /* message in front of cmdline */ 31 int cmdattr; /* attributes for prompt */ 32 int overstrike; /* Typing mode on the command line. Shared by 33 getcmdline() and put_on_cmdline(). */ 34 expand_T *xpc; /* struct being used for expansion, xp_pattern 35 may point into cmdbuff */ 36 int xp_context; /* type of expansion */ 37 # ifdef FEAT_EVAL 38 char_u *xp_arg; /* user-defined expansion arg */ 39 int input_fn; /* when TRUE Invoked for input() function */ 40 # endif 41 }; 42 43 /* The current cmdline_info. It is initialized in getcmdline() and after that 44 * used by other functions. When invoking getcmdline() recursively it needs 45 * to be saved with save_cmdline() and restored with restore_cmdline(). 46 * TODO: make it local to getcmdline() and pass it around. */ 47 static struct cmdline_info ccline; 48 49 static int cmd_showtail; /* Only show path tail in lists ? */ 50 51 #ifdef FEAT_EVAL 52 static int new_cmdpos; /* position set by set_cmdline_pos() */ 53 #endif 54 55 #ifdef FEAT_CMDHIST 56 typedef struct hist_entry 57 { 58 int hisnum; /* identifying number */ 59 int viminfo; /* when TRUE hisstr comes from viminfo */ 60 char_u *hisstr; /* actual entry, separator char after the NUL */ 61 } histentry_T; 62 63 static histentry_T *(history[HIST_COUNT]) = {NULL, NULL, NULL, NULL, NULL}; 64 static int hisidx[HIST_COUNT] = {-1, -1, -1, -1, -1}; /* lastused entry */ 65 static int hisnum[HIST_COUNT] = {0, 0, 0, 0, 0}; 66 /* identifying (unique) number of newest history entry */ 67 static int hislen = 0; /* actual length of history tables */ 68 69 static int hist_char2type __ARGS((int c)); 70 71 static int in_history __ARGS((int, char_u *, int, int, int)); 72 # ifdef FEAT_EVAL 73 static int calc_hist_idx __ARGS((int histype, int num)); 74 # endif 75 #endif 76 77 #ifdef FEAT_RIGHTLEFT 78 static int cmd_hkmap = 0; /* Hebrew mapping during command line */ 79 #endif 80 81 #ifdef FEAT_FKMAP 82 static int cmd_fkmap = 0; /* Farsi mapping during command line */ 83 #endif 84 85 static int cmdline_charsize __ARGS((int idx)); 86 static void set_cmdspos __ARGS((void)); 87 static void set_cmdspos_cursor __ARGS((void)); 88 #ifdef FEAT_MBYTE 89 static void correct_cmdspos __ARGS((int idx, int cells)); 90 #endif 91 static void alloc_cmdbuff __ARGS((int len)); 92 static int realloc_cmdbuff __ARGS((int len)); 93 static void draw_cmdline __ARGS((int start, int len)); 94 static void save_cmdline __ARGS((struct cmdline_info *ccp)); 95 static void restore_cmdline __ARGS((struct cmdline_info *ccp)); 96 static int cmdline_paste __ARGS((int regname, int literally, int remcr)); 97 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) 98 static void redrawcmd_preedit __ARGS((void)); 99 #endif 100 #ifdef FEAT_WILDMENU 101 static void cmdline_del __ARGS((int from)); 102 #endif 103 static void redrawcmdprompt __ARGS((void)); 104 static void cursorcmd __ARGS((void)); 105 static int ccheck_abbr __ARGS((int)); 106 static int nextwild __ARGS((expand_T *xp, int type, int options, int escape)); 107 static void escape_fname __ARGS((char_u **pp)); 108 static int showmatches __ARGS((expand_T *xp, int wildmenu)); 109 static void set_expand_context __ARGS((expand_T *xp)); 110 static int ExpandFromContext __ARGS((expand_T *xp, char_u *, int *, char_u ***, int)); 111 static int expand_showtail __ARGS((expand_T *xp)); 112 #ifdef FEAT_CMDL_COMPL 113 static int expand_shellcmd __ARGS((char_u *filepat, int *num_file, char_u ***file, int flagsarg)); 114 static int ExpandRTDir __ARGS((char_u *pat, int *num_file, char_u ***file, char *dirname[])); 115 # ifdef FEAT_CMDHIST 116 static char_u *get_history_arg __ARGS((expand_T *xp, int idx)); 117 # endif 118 # if defined(FEAT_USR_CMDS) && defined(FEAT_EVAL) 119 static int ExpandUserDefined __ARGS((expand_T *xp, regmatch_T *regmatch, int *num_file, char_u ***file)); 120 static int ExpandUserList __ARGS((expand_T *xp, int *num_file, char_u ***file)); 121 # endif 122 #endif 123 #ifdef FEAT_CMDHIST 124 static void clear_hist_entry __ARGS((histentry_T *hisptr)); 125 #endif 126 127 #ifdef FEAT_CMDWIN 128 static int ex_window __ARGS((void)); 129 #endif 130 131 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 132 static int 133 #ifdef __BORLANDC__ 134 _RTLENTRYF 135 #endif 136 sort_func_compare __ARGS((const void *s1, const void *s2)); 137 #endif 138 139 /* 140 * getcmdline() - accept a command line starting with firstc. 141 * 142 * firstc == ':' get ":" command line. 143 * firstc == '/' or '?' get search pattern 144 * firstc == '=' get expression 145 * firstc == '@' get text for input() function 146 * firstc == '>' get text for debug mode 147 * firstc == NUL get text for :insert command 148 * firstc == -1 like NUL, and break on CTRL-C 149 * 150 * The line is collected in ccline.cmdbuff, which is reallocated to fit the 151 * command line. 152 * 153 * Careful: getcmdline() can be called recursively! 154 * 155 * Return pointer to allocated string if there is a commandline, NULL 156 * otherwise. 157 */ 158 char_u * 159 getcmdline(firstc, count, indent) 160 int firstc; 161 long count UNUSED; /* only used for incremental search */ 162 int indent; /* indent for inside conditionals */ 163 { 164 int c; 165 int i; 166 int j; 167 int gotesc = FALSE; /* TRUE when <ESC> just typed */ 168 int do_abbr; /* when TRUE check for abbr. */ 169 #ifdef FEAT_CMDHIST 170 char_u *lookfor = NULL; /* string to match */ 171 int hiscnt; /* current history line in use */ 172 int histype; /* history type to be used */ 173 #endif 174 #ifdef FEAT_SEARCH_EXTRA 175 pos_T old_cursor; 176 colnr_T old_curswant; 177 colnr_T old_leftcol; 178 linenr_T old_topline; 179 # ifdef FEAT_DIFF 180 int old_topfill; 181 # endif 182 linenr_T old_botline; 183 int did_incsearch = FALSE; 184 int incsearch_postponed = FALSE; 185 #endif 186 int did_wild_list = FALSE; /* did wild_list() recently */ 187 int wim_index = 0; /* index in wim_flags[] */ 188 int res; 189 int save_msg_scroll = msg_scroll; 190 int save_State = State; /* remember State when called */ 191 int some_key_typed = FALSE; /* one of the keys was typed */ 192 #ifdef FEAT_MOUSE 193 /* mouse drag and release events are ignored, unless they are 194 * preceded with a mouse down event */ 195 int ignore_drag_release = TRUE; 196 #endif 197 #ifdef FEAT_EVAL 198 int break_ctrl_c = FALSE; 199 #endif 200 expand_T xpc; 201 long *b_im_ptr = NULL; 202 #if defined(FEAT_WILDMENU) || defined(FEAT_EVAL) || defined(FEAT_SEARCH_EXTRA) 203 /* Everything that may work recursively should save and restore the 204 * current command line in save_ccline. That includes update_screen(), a 205 * custom status line may invoke ":normal". */ 206 struct cmdline_info save_ccline; 207 #endif 208 209 #ifdef FEAT_SNIFF 210 want_sniff_request = 0; 211 #endif 212 #ifdef FEAT_EVAL 213 if (firstc == -1) 214 { 215 firstc = NUL; 216 break_ctrl_c = TRUE; 217 } 218 #endif 219 #ifdef FEAT_RIGHTLEFT 220 /* start without Hebrew mapping for a command line */ 221 if (firstc == ':' || firstc == '=' || firstc == '>') 222 cmd_hkmap = 0; 223 #endif 224 225 ccline.overstrike = FALSE; /* always start in insert mode */ 226 #ifdef FEAT_SEARCH_EXTRA 227 old_cursor = curwin->w_cursor; /* needs to be restored later */ 228 old_curswant = curwin->w_curswant; 229 old_leftcol = curwin->w_leftcol; 230 old_topline = curwin->w_topline; 231 # ifdef FEAT_DIFF 232 old_topfill = curwin->w_topfill; 233 # endif 234 old_botline = curwin->w_botline; 235 #endif 236 237 /* 238 * set some variables for redrawcmd() 239 */ 240 ccline.cmdfirstc = (firstc == '@' ? 0 : firstc); 241 ccline.cmdindent = (firstc > 0 ? indent : 0); 242 243 /* alloc initial ccline.cmdbuff */ 244 alloc_cmdbuff(exmode_active ? 250 : indent + 1); 245 if (ccline.cmdbuff == NULL) 246 return NULL; /* out of memory */ 247 ccline.cmdlen = ccline.cmdpos = 0; 248 ccline.cmdbuff[0] = NUL; 249 250 /* autoindent for :insert and :append */ 251 if (firstc <= 0) 252 { 253 vim_memset(ccline.cmdbuff, ' ', indent); 254 ccline.cmdbuff[indent] = NUL; 255 ccline.cmdpos = indent; 256 ccline.cmdspos = indent; 257 ccline.cmdlen = indent; 258 } 259 260 ExpandInit(&xpc); 261 ccline.xpc = &xpc; 262 263 #ifdef FEAT_RIGHTLEFT 264 if (curwin->w_p_rl && *curwin->w_p_rlc == 's' 265 && (firstc == '/' || firstc == '?')) 266 cmdmsg_rl = TRUE; 267 else 268 cmdmsg_rl = FALSE; 269 #endif 270 271 redir_off = TRUE; /* don't redirect the typed command */ 272 if (!cmd_silent) 273 { 274 i = msg_scrolled; 275 msg_scrolled = 0; /* avoid wait_return message */ 276 gotocmdline(TRUE); 277 msg_scrolled += i; 278 redrawcmdprompt(); /* draw prompt or indent */ 279 set_cmdspos(); 280 } 281 xpc.xp_context = EXPAND_NOTHING; 282 xpc.xp_backslash = XP_BS_NONE; 283 #ifndef BACKSLASH_IN_FILENAME 284 xpc.xp_shell = FALSE; 285 #endif 286 287 #if defined(FEAT_EVAL) 288 if (ccline.input_fn) 289 { 290 xpc.xp_context = ccline.xp_context; 291 xpc.xp_pattern = ccline.cmdbuff; 292 # if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL) 293 xpc.xp_arg = ccline.xp_arg; 294 # endif 295 } 296 #endif 297 298 /* 299 * Avoid scrolling when called by a recursive do_cmdline(), e.g. when 300 * doing ":@0" when register 0 doesn't contain a CR. 301 */ 302 msg_scroll = FALSE; 303 304 State = CMDLINE; 305 306 if (firstc == '/' || firstc == '?' || firstc == '@') 307 { 308 /* Use ":lmap" mappings for search pattern and input(). */ 309 if (curbuf->b_p_imsearch == B_IMODE_USE_INSERT) 310 b_im_ptr = &curbuf->b_p_iminsert; 311 else 312 b_im_ptr = &curbuf->b_p_imsearch; 313 if (*b_im_ptr == B_IMODE_LMAP) 314 State |= LANGMAP; 315 #ifdef USE_IM_CONTROL 316 im_set_active(*b_im_ptr == B_IMODE_IM); 317 #endif 318 } 319 #ifdef USE_IM_CONTROL 320 else if (p_imcmdline) 321 im_set_active(TRUE); 322 #endif 323 324 #ifdef FEAT_MOUSE 325 setmouse(); 326 #endif 327 #ifdef CURSOR_SHAPE 328 ui_cursor_shape(); /* may show different cursor shape */ 329 #endif 330 331 /* When inside an autocommand for writing "exiting" may be set and 332 * terminal mode set to cooked. Need to set raw mode here then. */ 333 settmode(TMODE_RAW); 334 335 #ifdef FEAT_CMDHIST 336 init_history(); 337 hiscnt = hislen; /* set hiscnt to impossible history value */ 338 histype = hist_char2type(firstc); 339 #endif 340 341 #ifdef FEAT_DIGRAPHS 342 do_digraph(-1); /* init digraph typeahead */ 343 #endif 344 345 /* If something above caused an error, reset the flags, we do want to type 346 * and execute commands. Display may be messed up a bit. */ 347 if (did_emsg) 348 redrawcmd(); 349 did_emsg = FALSE; 350 got_int = FALSE; 351 352 /* 353 * Collect the command string, handling editing keys. 354 */ 355 for (;;) 356 { 357 redir_off = TRUE; /* Don't redirect the typed command. 358 Repeated, because a ":redir" inside 359 completion may switch it on. */ 360 #ifdef USE_ON_FLY_SCROLL 361 dont_scroll = FALSE; /* allow scrolling here */ 362 #endif 363 quit_more = FALSE; /* reset after CTRL-D which had a more-prompt */ 364 365 cursorcmd(); /* set the cursor on the right spot */ 366 367 /* Get a character. Ignore K_IGNORE, it should not do anything, such 368 * as stop completion. */ 369 do 370 { 371 c = safe_vgetc(); 372 } while (c == K_IGNORE); 373 374 if (KeyTyped) 375 { 376 some_key_typed = TRUE; 377 #ifdef FEAT_RIGHTLEFT 378 if (cmd_hkmap) 379 c = hkmap(c); 380 # ifdef FEAT_FKMAP 381 if (cmd_fkmap) 382 c = cmdl_fkmap(c); 383 # endif 384 if (cmdmsg_rl && !KeyStuffed) 385 { 386 /* Invert horizontal movements and operations. Only when 387 * typed by the user directly, not when the result of a 388 * mapping. */ 389 switch (c) 390 { 391 case K_RIGHT: c = K_LEFT; break; 392 case K_S_RIGHT: c = K_S_LEFT; break; 393 case K_C_RIGHT: c = K_C_LEFT; break; 394 case K_LEFT: c = K_RIGHT; break; 395 case K_S_LEFT: c = K_S_RIGHT; break; 396 case K_C_LEFT: c = K_C_RIGHT; break; 397 } 398 } 399 #endif 400 } 401 402 /* 403 * Ignore got_int when CTRL-C was typed here. 404 * Don't ignore it in :global, we really need to break then, e.g., for 405 * ":g/pat/normal /pat" (without the <CR>). 406 * Don't ignore it for the input() function. 407 */ 408 if ((c == Ctrl_C 409 #ifdef UNIX 410 || c == intr_char 411 #endif 412 ) 413 #if defined(FEAT_EVAL) || defined(FEAT_CRYPT) 414 && firstc != '@' 415 #endif 416 #ifdef FEAT_EVAL 417 && !break_ctrl_c 418 #endif 419 && !global_busy) 420 got_int = FALSE; 421 422 #ifdef FEAT_CMDHIST 423 /* free old command line when finished moving around in the history 424 * list */ 425 if (lookfor != NULL 426 && c != K_S_DOWN && c != K_S_UP 427 && c != K_DOWN && c != K_UP 428 && c != K_PAGEDOWN && c != K_PAGEUP 429 && c != K_KPAGEDOWN && c != K_KPAGEUP 430 && c != K_LEFT && c != K_RIGHT 431 && (xpc.xp_numfiles > 0 || (c != Ctrl_P && c != Ctrl_N))) 432 { 433 vim_free(lookfor); 434 lookfor = NULL; 435 } 436 #endif 437 438 /* 439 * When there are matching completions to select <S-Tab> works like 440 * CTRL-P (unless 'wc' is <S-Tab>). 441 */ 442 if (c != p_wc && c == K_S_TAB && xpc.xp_numfiles > 0) 443 c = Ctrl_P; 444 445 #ifdef FEAT_WILDMENU 446 /* Special translations for 'wildmenu' */ 447 if (did_wild_list && p_wmnu) 448 { 449 if (c == K_LEFT) 450 c = Ctrl_P; 451 else if (c == K_RIGHT) 452 c = Ctrl_N; 453 } 454 /* Hitting CR after "emenu Name.": complete submenu */ 455 if (xpc.xp_context == EXPAND_MENUNAMES && p_wmnu 456 && ccline.cmdpos > 1 457 && ccline.cmdbuff[ccline.cmdpos - 1] == '.' 458 && ccline.cmdbuff[ccline.cmdpos - 2] != '\\' 459 && (c == '\n' || c == '\r' || c == K_KENTER)) 460 c = K_DOWN; 461 #endif 462 463 /* free expanded names when finished walking through matches */ 464 if (xpc.xp_numfiles != -1 465 && !(c == p_wc && KeyTyped) && c != p_wcm 466 && c != Ctrl_N && c != Ctrl_P && c != Ctrl_A 467 && c != Ctrl_L) 468 { 469 (void)ExpandOne(&xpc, NULL, NULL, 0, WILD_FREE); 470 did_wild_list = FALSE; 471 #ifdef FEAT_WILDMENU 472 if (!p_wmnu || (c != K_UP && c != K_DOWN)) 473 #endif 474 xpc.xp_context = EXPAND_NOTHING; 475 wim_index = 0; 476 #ifdef FEAT_WILDMENU 477 if (p_wmnu && wild_menu_showing != 0) 478 { 479 int skt = KeyTyped; 480 int old_RedrawingDisabled = RedrawingDisabled; 481 482 if (ccline.input_fn) 483 RedrawingDisabled = 0; 484 485 if (wild_menu_showing == WM_SCROLLED) 486 { 487 /* Entered command line, move it up */ 488 cmdline_row--; 489 redrawcmd(); 490 } 491 else if (save_p_ls != -1) 492 { 493 /* restore 'laststatus' and 'winminheight' */ 494 p_ls = save_p_ls; 495 p_wmh = save_p_wmh; 496 last_status(FALSE); 497 save_cmdline(&save_ccline); 498 update_screen(VALID); /* redraw the screen NOW */ 499 restore_cmdline(&save_ccline); 500 redrawcmd(); 501 save_p_ls = -1; 502 } 503 else 504 { 505 # ifdef FEAT_VERTSPLIT 506 win_redraw_last_status(topframe); 507 # else 508 lastwin->w_redr_status = TRUE; 509 # endif 510 redraw_statuslines(); 511 } 512 KeyTyped = skt; 513 wild_menu_showing = 0; 514 if (ccline.input_fn) 515 RedrawingDisabled = old_RedrawingDisabled; 516 } 517 #endif 518 } 519 520 #ifdef FEAT_WILDMENU 521 /* Special translations for 'wildmenu' */ 522 if (xpc.xp_context == EXPAND_MENUNAMES && p_wmnu) 523 { 524 /* Hitting <Down> after "emenu Name.": complete submenu */ 525 if (c == K_DOWN && ccline.cmdpos > 0 526 && ccline.cmdbuff[ccline.cmdpos - 1] == '.') 527 c = p_wc; 528 else if (c == K_UP) 529 { 530 /* Hitting <Up>: Remove one submenu name in front of the 531 * cursor */ 532 int found = FALSE; 533 534 j = (int)(xpc.xp_pattern - ccline.cmdbuff); 535 i = 0; 536 while (--j > 0) 537 { 538 /* check for start of menu name */ 539 if (ccline.cmdbuff[j] == ' ' 540 && ccline.cmdbuff[j - 1] != '\\') 541 { 542 i = j + 1; 543 break; 544 } 545 /* check for start of submenu name */ 546 if (ccline.cmdbuff[j] == '.' 547 && ccline.cmdbuff[j - 1] != '\\') 548 { 549 if (found) 550 { 551 i = j + 1; 552 break; 553 } 554 else 555 found = TRUE; 556 } 557 } 558 if (i > 0) 559 cmdline_del(i); 560 c = p_wc; 561 xpc.xp_context = EXPAND_NOTHING; 562 } 563 } 564 if ((xpc.xp_context == EXPAND_FILES 565 || xpc.xp_context == EXPAND_DIRECTORIES 566 || xpc.xp_context == EXPAND_SHELLCMD) && p_wmnu) 567 { 568 char_u upseg[5]; 569 570 upseg[0] = PATHSEP; 571 upseg[1] = '.'; 572 upseg[2] = '.'; 573 upseg[3] = PATHSEP; 574 upseg[4] = NUL; 575 576 if (c == K_DOWN 577 && ccline.cmdpos > 0 578 && ccline.cmdbuff[ccline.cmdpos - 1] == PATHSEP 579 && (ccline.cmdpos < 3 580 || ccline.cmdbuff[ccline.cmdpos - 2] != '.' 581 || ccline.cmdbuff[ccline.cmdpos - 3] != '.')) 582 { 583 /* go down a directory */ 584 c = p_wc; 585 } 586 else if (STRNCMP(xpc.xp_pattern, upseg + 1, 3) == 0 && c == K_DOWN) 587 { 588 /* If in a direct ancestor, strip off one ../ to go down */ 589 int found = FALSE; 590 591 j = ccline.cmdpos; 592 i = (int)(xpc.xp_pattern - ccline.cmdbuff); 593 while (--j > i) 594 { 595 #ifdef FEAT_MBYTE 596 if (has_mbyte) 597 j -= (*mb_head_off)(ccline.cmdbuff, ccline.cmdbuff + j); 598 #endif 599 if (vim_ispathsep(ccline.cmdbuff[j])) 600 { 601 found = TRUE; 602 break; 603 } 604 } 605 if (found 606 && ccline.cmdbuff[j - 1] == '.' 607 && ccline.cmdbuff[j - 2] == '.' 608 && (vim_ispathsep(ccline.cmdbuff[j - 3]) || j == i + 2)) 609 { 610 cmdline_del(j - 2); 611 c = p_wc; 612 } 613 } 614 else if (c == K_UP) 615 { 616 /* go up a directory */ 617 int found = FALSE; 618 619 j = ccline.cmdpos - 1; 620 i = (int)(xpc.xp_pattern - ccline.cmdbuff); 621 while (--j > i) 622 { 623 #ifdef FEAT_MBYTE 624 if (has_mbyte) 625 j -= (*mb_head_off)(ccline.cmdbuff, ccline.cmdbuff + j); 626 #endif 627 if (vim_ispathsep(ccline.cmdbuff[j]) 628 #ifdef BACKSLASH_IN_FILENAME 629 && vim_strchr(" *?[{`$%#", ccline.cmdbuff[j + 1]) 630 == NULL 631 #endif 632 ) 633 { 634 if (found) 635 { 636 i = j + 1; 637 break; 638 } 639 else 640 found = TRUE; 641 } 642 } 643 644 if (!found) 645 j = i; 646 else if (STRNCMP(ccline.cmdbuff + j, upseg, 4) == 0) 647 j += 4; 648 else if (STRNCMP(ccline.cmdbuff + j, upseg + 1, 3) == 0 649 && j == i) 650 j += 3; 651 else 652 j = 0; 653 if (j > 0) 654 { 655 /* TODO this is only for DOS/UNIX systems - need to put in 656 * machine-specific stuff here and in upseg init */ 657 cmdline_del(j); 658 put_on_cmdline(upseg + 1, 3, FALSE); 659 } 660 else if (ccline.cmdpos > i) 661 cmdline_del(i); 662 663 /* Now complete in the new directory. Set KeyTyped in case the 664 * Up key came from a mapping. */ 665 c = p_wc; 666 KeyTyped = TRUE; 667 } 668 } 669 670 #endif /* FEAT_WILDMENU */ 671 672 /* CTRL-\ CTRL-N goes to Normal mode, CTRL-\ CTRL-G goes to Insert 673 * mode when 'insertmode' is set, CTRL-\ e prompts for an expression. */ 674 if (c == Ctrl_BSL) 675 { 676 ++no_mapping; 677 ++allow_keys; 678 c = plain_vgetc(); 679 --no_mapping; 680 --allow_keys; 681 /* CTRL-\ e doesn't work when obtaining an expression, unless it 682 * is in a mapping. */ 683 if (c != Ctrl_N && c != Ctrl_G && (c != 'e' 684 || (ccline.cmdfirstc == '=' && KeyTyped))) 685 { 686 vungetc(c); 687 c = Ctrl_BSL; 688 } 689 #ifdef FEAT_EVAL 690 else if (c == 'e') 691 { 692 char_u *p = NULL; 693 int len; 694 695 /* 696 * Replace the command line with the result of an expression. 697 * Need to save and restore the current command line, to be 698 * able to enter a new one... 699 */ 700 if (ccline.cmdpos == ccline.cmdlen) 701 new_cmdpos = 99999; /* keep it at the end */ 702 else 703 new_cmdpos = ccline.cmdpos; 704 705 save_cmdline(&save_ccline); 706 c = get_expr_register(); 707 restore_cmdline(&save_ccline); 708 if (c == '=') 709 { 710 /* Need to save and restore ccline. And set "textlock" 711 * to avoid nasty things like going to another buffer when 712 * evaluating an expression. */ 713 save_cmdline(&save_ccline); 714 ++textlock; 715 p = get_expr_line(); 716 --textlock; 717 restore_cmdline(&save_ccline); 718 719 if (p != NULL) 720 { 721 len = (int)STRLEN(p); 722 if (realloc_cmdbuff(len + 1) == OK) 723 { 724 ccline.cmdlen = len; 725 STRCPY(ccline.cmdbuff, p); 726 vim_free(p); 727 728 /* Restore the cursor or use the position set with 729 * set_cmdline_pos(). */ 730 if (new_cmdpos > ccline.cmdlen) 731 ccline.cmdpos = ccline.cmdlen; 732 else 733 ccline.cmdpos = new_cmdpos; 734 735 KeyTyped = FALSE; /* Don't do p_wc completion. */ 736 redrawcmd(); 737 goto cmdline_changed; 738 } 739 } 740 } 741 beep_flush(); 742 got_int = FALSE; /* don't abandon the command line */ 743 did_emsg = FALSE; 744 emsg_on_display = FALSE; 745 redrawcmd(); 746 goto cmdline_not_changed; 747 } 748 #endif 749 else 750 { 751 if (c == Ctrl_G && p_im && restart_edit == 0) 752 restart_edit = 'a'; 753 gotesc = TRUE; /* will free ccline.cmdbuff after putting it 754 in history */ 755 goto returncmd; /* back to Normal mode */ 756 } 757 } 758 759 #ifdef FEAT_CMDWIN 760 if (c == cedit_key || c == K_CMDWIN) 761 { 762 if (ex_normal_busy == 0 && got_int == FALSE) 763 { 764 /* 765 * Open a window to edit the command line (and history). 766 */ 767 c = ex_window(); 768 some_key_typed = TRUE; 769 } 770 } 771 # ifdef FEAT_DIGRAPHS 772 else 773 # endif 774 #endif 775 #ifdef FEAT_DIGRAPHS 776 c = do_digraph(c); 777 #endif 778 779 if (c == '\n' || c == '\r' || c == K_KENTER || (c == ESC 780 && (!KeyTyped || vim_strchr(p_cpo, CPO_ESC) != NULL))) 781 { 782 /* In Ex mode a backslash escapes a newline. */ 783 if (exmode_active 784 && c != ESC 785 && ccline.cmdpos == ccline.cmdlen 786 && ccline.cmdpos > 0 787 && ccline.cmdbuff[ccline.cmdpos - 1] == '\\') 788 { 789 if (c == K_KENTER) 790 c = '\n'; 791 } 792 else 793 { 794 gotesc = FALSE; /* Might have typed ESC previously, don't 795 truncate the cmdline now. */ 796 if (ccheck_abbr(c + ABBR_OFF)) 797 goto cmdline_changed; 798 if (!cmd_silent) 799 { 800 windgoto(msg_row, 0); 801 out_flush(); 802 } 803 break; 804 } 805 } 806 807 /* 808 * Completion for 'wildchar' or 'wildcharm' key. 809 * - hitting <ESC> twice means: abandon command line. 810 * - wildcard expansion is only done when the 'wildchar' key is really 811 * typed, not when it comes from a macro 812 */ 813 if ((c == p_wc && !gotesc && KeyTyped) || c == p_wcm) 814 { 815 if (xpc.xp_numfiles > 0) /* typed p_wc at least twice */ 816 { 817 /* if 'wildmode' contains "list" may still need to list */ 818 if (xpc.xp_numfiles > 1 819 && !did_wild_list 820 && (wim_flags[wim_index] & WIM_LIST)) 821 { 822 (void)showmatches(&xpc, FALSE); 823 redrawcmd(); 824 did_wild_list = TRUE; 825 } 826 if (wim_flags[wim_index] & WIM_LONGEST) 827 res = nextwild(&xpc, WILD_LONGEST, WILD_NO_BEEP, 828 firstc != '@'); 829 else if (wim_flags[wim_index] & WIM_FULL) 830 res = nextwild(&xpc, WILD_NEXT, WILD_NO_BEEP, 831 firstc != '@'); 832 else 833 res = OK; /* don't insert 'wildchar' now */ 834 } 835 else /* typed p_wc first time */ 836 { 837 wim_index = 0; 838 j = ccline.cmdpos; 839 /* if 'wildmode' first contains "longest", get longest 840 * common part */ 841 if (wim_flags[0] & WIM_LONGEST) 842 res = nextwild(&xpc, WILD_LONGEST, WILD_NO_BEEP, 843 firstc != '@'); 844 else 845 res = nextwild(&xpc, WILD_EXPAND_KEEP, WILD_NO_BEEP, 846 firstc != '@'); 847 848 /* if interrupted while completing, behave like it failed */ 849 if (got_int) 850 { 851 (void)vpeekc(); /* remove <C-C> from input stream */ 852 got_int = FALSE; /* don't abandon the command line */ 853 (void)ExpandOne(&xpc, NULL, NULL, 0, WILD_FREE); 854 #ifdef FEAT_WILDMENU 855 xpc.xp_context = EXPAND_NOTHING; 856 #endif 857 goto cmdline_changed; 858 } 859 860 /* when more than one match, and 'wildmode' first contains 861 * "list", or no change and 'wildmode' contains "longest,list", 862 * list all matches */ 863 if (res == OK && xpc.xp_numfiles > 1) 864 { 865 /* a "longest" that didn't do anything is skipped (but not 866 * "list:longest") */ 867 if (wim_flags[0] == WIM_LONGEST && ccline.cmdpos == j) 868 wim_index = 1; 869 if ((wim_flags[wim_index] & WIM_LIST) 870 #ifdef FEAT_WILDMENU 871 || (p_wmnu && (wim_flags[wim_index] & WIM_FULL) != 0) 872 #endif 873 ) 874 { 875 if (!(wim_flags[0] & WIM_LONGEST)) 876 { 877 #ifdef FEAT_WILDMENU 878 int p_wmnu_save = p_wmnu; 879 p_wmnu = 0; 880 #endif 881 /* remove match */ 882 nextwild(&xpc, WILD_PREV, 0, firstc != '@'); 883 #ifdef FEAT_WILDMENU 884 p_wmnu = p_wmnu_save; 885 #endif 886 } 887 #ifdef FEAT_WILDMENU 888 (void)showmatches(&xpc, p_wmnu 889 && ((wim_flags[wim_index] & WIM_LIST) == 0)); 890 #else 891 (void)showmatches(&xpc, FALSE); 892 #endif 893 redrawcmd(); 894 did_wild_list = TRUE; 895 if (wim_flags[wim_index] & WIM_LONGEST) 896 nextwild(&xpc, WILD_LONGEST, WILD_NO_BEEP, 897 firstc != '@'); 898 else if (wim_flags[wim_index] & WIM_FULL) 899 nextwild(&xpc, WILD_NEXT, WILD_NO_BEEP, 900 firstc != '@'); 901 } 902 else 903 vim_beep(BO_WILD); 904 } 905 #ifdef FEAT_WILDMENU 906 else if (xpc.xp_numfiles == -1) 907 xpc.xp_context = EXPAND_NOTHING; 908 #endif 909 } 910 if (wim_index < 3) 911 ++wim_index; 912 if (c == ESC) 913 gotesc = TRUE; 914 if (res == OK) 915 goto cmdline_changed; 916 } 917 918 gotesc = FALSE; 919 920 /* <S-Tab> goes to last match, in a clumsy way */ 921 if (c == K_S_TAB && KeyTyped) 922 { 923 if (nextwild(&xpc, WILD_EXPAND_KEEP, 0, firstc != '@') == OK 924 && nextwild(&xpc, WILD_PREV, 0, firstc != '@') == OK 925 && nextwild(&xpc, WILD_PREV, 0, firstc != '@') == OK) 926 goto cmdline_changed; 927 } 928 929 if (c == NUL || c == K_ZERO) /* NUL is stored as NL */ 930 c = NL; 931 932 do_abbr = TRUE; /* default: check for abbreviation */ 933 934 /* 935 * Big switch for a typed command line character. 936 */ 937 switch (c) 938 { 939 case K_BS: 940 case Ctrl_H: 941 case K_DEL: 942 case K_KDEL: 943 case Ctrl_W: 944 #ifdef FEAT_FKMAP 945 if (cmd_fkmap && c == K_BS) 946 c = K_DEL; 947 #endif 948 if (c == K_KDEL) 949 c = K_DEL; 950 951 /* 952 * delete current character is the same as backspace on next 953 * character, except at end of line 954 */ 955 if (c == K_DEL && ccline.cmdpos != ccline.cmdlen) 956 ++ccline.cmdpos; 957 #ifdef FEAT_MBYTE 958 if (has_mbyte && c == K_DEL) 959 ccline.cmdpos += mb_off_next(ccline.cmdbuff, 960 ccline.cmdbuff + ccline.cmdpos); 961 #endif 962 if (ccline.cmdpos > 0) 963 { 964 char_u *p; 965 966 j = ccline.cmdpos; 967 p = ccline.cmdbuff + j; 968 #ifdef FEAT_MBYTE 969 if (has_mbyte) 970 { 971 p = mb_prevptr(ccline.cmdbuff, p); 972 if (c == Ctrl_W) 973 { 974 while (p > ccline.cmdbuff && vim_isspace(*p)) 975 p = mb_prevptr(ccline.cmdbuff, p); 976 i = mb_get_class(p); 977 while (p > ccline.cmdbuff && mb_get_class(p) == i) 978 p = mb_prevptr(ccline.cmdbuff, p); 979 if (mb_get_class(p) != i) 980 p += (*mb_ptr2len)(p); 981 } 982 } 983 else 984 #endif 985 if (c == Ctrl_W) 986 { 987 while (p > ccline.cmdbuff && vim_isspace(p[-1])) 988 --p; 989 i = vim_iswordc(p[-1]); 990 while (p > ccline.cmdbuff && !vim_isspace(p[-1]) 991 && vim_iswordc(p[-1]) == i) 992 --p; 993 } 994 else 995 --p; 996 ccline.cmdpos = (int)(p - ccline.cmdbuff); 997 ccline.cmdlen -= j - ccline.cmdpos; 998 i = ccline.cmdpos; 999 while (i < ccline.cmdlen) 1000 ccline.cmdbuff[i++] = ccline.cmdbuff[j++]; 1001 1002 /* Truncate at the end, required for multi-byte chars. */ 1003 ccline.cmdbuff[ccline.cmdlen] = NUL; 1004 redrawcmd(); 1005 } 1006 else if (ccline.cmdlen == 0 && c != Ctrl_W 1007 && ccline.cmdprompt == NULL && indent == 0) 1008 { 1009 /* In ex and debug mode it doesn't make sense to return. */ 1010 if (exmode_active 1011 #ifdef FEAT_EVAL 1012 || ccline.cmdfirstc == '>' 1013 #endif 1014 ) 1015 goto cmdline_not_changed; 1016 1017 vim_free(ccline.cmdbuff); /* no commandline to return */ 1018 ccline.cmdbuff = NULL; 1019 if (!cmd_silent) 1020 { 1021 #ifdef FEAT_RIGHTLEFT 1022 if (cmdmsg_rl) 1023 msg_col = Columns; 1024 else 1025 #endif 1026 msg_col = 0; 1027 msg_putchar(' '); /* delete ':' */ 1028 } 1029 redraw_cmdline = TRUE; 1030 goto returncmd; /* back to cmd mode */ 1031 } 1032 goto cmdline_changed; 1033 1034 case K_INS: 1035 case K_KINS: 1036 #ifdef FEAT_FKMAP 1037 /* if Farsi mode set, we are in reverse insert mode - 1038 Do not change the mode */ 1039 if (cmd_fkmap) 1040 beep_flush(); 1041 else 1042 #endif 1043 ccline.overstrike = !ccline.overstrike; 1044 #ifdef CURSOR_SHAPE 1045 ui_cursor_shape(); /* may show different cursor shape */ 1046 #endif 1047 goto cmdline_not_changed; 1048 1049 case Ctrl_HAT: 1050 if (map_to_exists_mode((char_u *)"", LANGMAP, FALSE)) 1051 { 1052 /* ":lmap" mappings exists, toggle use of mappings. */ 1053 State ^= LANGMAP; 1054 #ifdef USE_IM_CONTROL 1055 im_set_active(FALSE); /* Disable input method */ 1056 #endif 1057 if (b_im_ptr != NULL) 1058 { 1059 if (State & LANGMAP) 1060 *b_im_ptr = B_IMODE_LMAP; 1061 else 1062 *b_im_ptr = B_IMODE_NONE; 1063 } 1064 } 1065 #ifdef USE_IM_CONTROL 1066 else 1067 { 1068 /* There are no ":lmap" mappings, toggle IM. When 1069 * 'imdisable' is set don't try getting the status, it's 1070 * always off. */ 1071 if ((p_imdisable && b_im_ptr != NULL) 1072 ? *b_im_ptr == B_IMODE_IM : im_get_status()) 1073 { 1074 im_set_active(FALSE); /* Disable input method */ 1075 if (b_im_ptr != NULL) 1076 *b_im_ptr = B_IMODE_NONE; 1077 } 1078 else 1079 { 1080 im_set_active(TRUE); /* Enable input method */ 1081 if (b_im_ptr != NULL) 1082 *b_im_ptr = B_IMODE_IM; 1083 } 1084 } 1085 #endif 1086 if (b_im_ptr != NULL) 1087 { 1088 if (b_im_ptr == &curbuf->b_p_iminsert) 1089 set_iminsert_global(); 1090 else 1091 set_imsearch_global(); 1092 } 1093 #ifdef CURSOR_SHAPE 1094 ui_cursor_shape(); /* may show different cursor shape */ 1095 #endif 1096 #if defined(FEAT_WINDOWS) && defined(FEAT_KEYMAP) 1097 /* Show/unshow value of 'keymap' in status lines later. */ 1098 status_redraw_curbuf(); 1099 #endif 1100 goto cmdline_not_changed; 1101 1102 /* case '@': only in very old vi */ 1103 case Ctrl_U: 1104 /* delete all characters left of the cursor */ 1105 j = ccline.cmdpos; 1106 ccline.cmdlen -= j; 1107 i = ccline.cmdpos = 0; 1108 while (i < ccline.cmdlen) 1109 ccline.cmdbuff[i++] = ccline.cmdbuff[j++]; 1110 /* Truncate at the end, required for multi-byte chars. */ 1111 ccline.cmdbuff[ccline.cmdlen] = NUL; 1112 redrawcmd(); 1113 goto cmdline_changed; 1114 1115 #ifdef FEAT_CLIPBOARD 1116 case Ctrl_Y: 1117 /* Copy the modeless selection, if there is one. */ 1118 if (clip_star.state != SELECT_CLEARED) 1119 { 1120 if (clip_star.state == SELECT_DONE) 1121 clip_copy_modeless_selection(TRUE); 1122 goto cmdline_not_changed; 1123 } 1124 break; 1125 #endif 1126 1127 case ESC: /* get here if p_wc != ESC or when ESC typed twice */ 1128 case Ctrl_C: 1129 /* In exmode it doesn't make sense to return. Except when 1130 * ":normal" runs out of characters. */ 1131 if (exmode_active 1132 #ifdef FEAT_EX_EXTRA 1133 && (ex_normal_busy == 0 || typebuf.tb_len > 0) 1134 #endif 1135 ) 1136 goto cmdline_not_changed; 1137 1138 gotesc = TRUE; /* will free ccline.cmdbuff after 1139 putting it in history */ 1140 goto returncmd; /* back to cmd mode */ 1141 1142 case Ctrl_R: /* insert register */ 1143 #ifdef USE_ON_FLY_SCROLL 1144 dont_scroll = TRUE; /* disallow scrolling here */ 1145 #endif 1146 putcmdline('"', TRUE); 1147 ++no_mapping; 1148 i = c = plain_vgetc(); /* CTRL-R <char> */ 1149 if (i == Ctrl_O) 1150 i = Ctrl_R; /* CTRL-R CTRL-O == CTRL-R CTRL-R */ 1151 if (i == Ctrl_R) 1152 c = plain_vgetc(); /* CTRL-R CTRL-R <char> */ 1153 --no_mapping; 1154 #ifdef FEAT_EVAL 1155 /* 1156 * Insert the result of an expression. 1157 * Need to save the current command line, to be able to enter 1158 * a new one... 1159 */ 1160 new_cmdpos = -1; 1161 if (c == '=') 1162 { 1163 if (ccline.cmdfirstc == '=')/* can't do this recursively */ 1164 { 1165 beep_flush(); 1166 c = ESC; 1167 } 1168 else 1169 { 1170 save_cmdline(&save_ccline); 1171 c = get_expr_register(); 1172 restore_cmdline(&save_ccline); 1173 } 1174 } 1175 #endif 1176 if (c != ESC) /* use ESC to cancel inserting register */ 1177 { 1178 cmdline_paste(c, i == Ctrl_R, FALSE); 1179 1180 #ifdef FEAT_EVAL 1181 /* When there was a serious error abort getting the 1182 * command line. */ 1183 if (aborting()) 1184 { 1185 gotesc = TRUE; /* will free ccline.cmdbuff after 1186 putting it in history */ 1187 goto returncmd; /* back to cmd mode */ 1188 } 1189 #endif 1190 KeyTyped = FALSE; /* Don't do p_wc completion. */ 1191 #ifdef FEAT_EVAL 1192 if (new_cmdpos >= 0) 1193 { 1194 /* set_cmdline_pos() was used */ 1195 if (new_cmdpos > ccline.cmdlen) 1196 ccline.cmdpos = ccline.cmdlen; 1197 else 1198 ccline.cmdpos = new_cmdpos; 1199 } 1200 #endif 1201 } 1202 redrawcmd(); 1203 goto cmdline_changed; 1204 1205 case Ctrl_D: 1206 if (showmatches(&xpc, FALSE) == EXPAND_NOTHING) 1207 break; /* Use ^D as normal char instead */ 1208 1209 redrawcmd(); 1210 continue; /* don't do incremental search now */ 1211 1212 case K_RIGHT: 1213 case K_S_RIGHT: 1214 case K_C_RIGHT: 1215 do 1216 { 1217 if (ccline.cmdpos >= ccline.cmdlen) 1218 break; 1219 i = cmdline_charsize(ccline.cmdpos); 1220 if (KeyTyped && ccline.cmdspos + i >= Columns * Rows) 1221 break; 1222 ccline.cmdspos += i; 1223 #ifdef FEAT_MBYTE 1224 if (has_mbyte) 1225 ccline.cmdpos += (*mb_ptr2len)(ccline.cmdbuff 1226 + ccline.cmdpos); 1227 else 1228 #endif 1229 ++ccline.cmdpos; 1230 } 1231 while ((c == K_S_RIGHT || c == K_C_RIGHT 1232 || (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL))) 1233 && ccline.cmdbuff[ccline.cmdpos] != ' '); 1234 #ifdef FEAT_MBYTE 1235 if (has_mbyte) 1236 set_cmdspos_cursor(); 1237 #endif 1238 goto cmdline_not_changed; 1239 1240 case K_LEFT: 1241 case K_S_LEFT: 1242 case K_C_LEFT: 1243 if (ccline.cmdpos == 0) 1244 goto cmdline_not_changed; 1245 do 1246 { 1247 --ccline.cmdpos; 1248 #ifdef FEAT_MBYTE 1249 if (has_mbyte) /* move to first byte of char */ 1250 ccline.cmdpos -= (*mb_head_off)(ccline.cmdbuff, 1251 ccline.cmdbuff + ccline.cmdpos); 1252 #endif 1253 ccline.cmdspos -= cmdline_charsize(ccline.cmdpos); 1254 } 1255 while (ccline.cmdpos > 0 1256 && (c == K_S_LEFT || c == K_C_LEFT 1257 || (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_CTRL))) 1258 && ccline.cmdbuff[ccline.cmdpos - 1] != ' '); 1259 #ifdef FEAT_MBYTE 1260 if (has_mbyte) 1261 set_cmdspos_cursor(); 1262 #endif 1263 goto cmdline_not_changed; 1264 1265 case K_IGNORE: 1266 /* Ignore mouse event or ex_window() result. */ 1267 goto cmdline_not_changed; 1268 1269 #ifdef FEAT_GUI_W32 1270 /* On Win32 ignore <M-F4>, we get it when closing the window was 1271 * cancelled. */ 1272 case K_F4: 1273 if (mod_mask == MOD_MASK_ALT) 1274 { 1275 redrawcmd(); /* somehow the cmdline is cleared */ 1276 goto cmdline_not_changed; 1277 } 1278 break; 1279 #endif 1280 1281 #ifdef FEAT_MOUSE 1282 case K_MIDDLEDRAG: 1283 case K_MIDDLERELEASE: 1284 goto cmdline_not_changed; /* Ignore mouse */ 1285 1286 case K_MIDDLEMOUSE: 1287 # ifdef FEAT_GUI 1288 /* When GUI is active, also paste when 'mouse' is empty */ 1289 if (!gui.in_use) 1290 # endif 1291 if (!mouse_has(MOUSE_COMMAND)) 1292 goto cmdline_not_changed; /* Ignore mouse */ 1293 # ifdef FEAT_CLIPBOARD 1294 if (clip_star.available) 1295 cmdline_paste('*', TRUE, TRUE); 1296 else 1297 # endif 1298 cmdline_paste(0, TRUE, TRUE); 1299 redrawcmd(); 1300 goto cmdline_changed; 1301 1302 # ifdef FEAT_DND 1303 case K_DROP: 1304 cmdline_paste('~', TRUE, FALSE); 1305 redrawcmd(); 1306 goto cmdline_changed; 1307 # endif 1308 1309 case K_LEFTDRAG: 1310 case K_LEFTRELEASE: 1311 case K_RIGHTDRAG: 1312 case K_RIGHTRELEASE: 1313 /* Ignore drag and release events when the button-down wasn't 1314 * seen before. */ 1315 if (ignore_drag_release) 1316 goto cmdline_not_changed; 1317 /* FALLTHROUGH */ 1318 case K_LEFTMOUSE: 1319 case K_RIGHTMOUSE: 1320 if (c == K_LEFTRELEASE || c == K_RIGHTRELEASE) 1321 ignore_drag_release = TRUE; 1322 else 1323 ignore_drag_release = FALSE; 1324 # ifdef FEAT_GUI 1325 /* When GUI is active, also move when 'mouse' is empty */ 1326 if (!gui.in_use) 1327 # endif 1328 if (!mouse_has(MOUSE_COMMAND)) 1329 goto cmdline_not_changed; /* Ignore mouse */ 1330 # ifdef FEAT_CLIPBOARD 1331 if (mouse_row < cmdline_row && clip_star.available) 1332 { 1333 int button, is_click, is_drag; 1334 1335 /* 1336 * Handle modeless selection. 1337 */ 1338 button = get_mouse_button(KEY2TERMCAP1(c), 1339 &is_click, &is_drag); 1340 if (mouse_model_popup() && button == MOUSE_LEFT 1341 && (mod_mask & MOD_MASK_SHIFT)) 1342 { 1343 /* Translate shift-left to right button. */ 1344 button = MOUSE_RIGHT; 1345 mod_mask &= ~MOD_MASK_SHIFT; 1346 } 1347 clip_modeless(button, is_click, is_drag); 1348 goto cmdline_not_changed; 1349 } 1350 # endif 1351 1352 set_cmdspos(); 1353 for (ccline.cmdpos = 0; ccline.cmdpos < ccline.cmdlen; 1354 ++ccline.cmdpos) 1355 { 1356 i = cmdline_charsize(ccline.cmdpos); 1357 if (mouse_row <= cmdline_row + ccline.cmdspos / Columns 1358 && mouse_col < ccline.cmdspos % Columns + i) 1359 break; 1360 # ifdef FEAT_MBYTE 1361 if (has_mbyte) 1362 { 1363 /* Count ">" for double-wide char that doesn't fit. */ 1364 correct_cmdspos(ccline.cmdpos, i); 1365 ccline.cmdpos += (*mb_ptr2len)(ccline.cmdbuff 1366 + ccline.cmdpos) - 1; 1367 } 1368 # endif 1369 ccline.cmdspos += i; 1370 } 1371 goto cmdline_not_changed; 1372 1373 /* Mouse scroll wheel: ignored here */ 1374 case K_MOUSEDOWN: 1375 case K_MOUSEUP: 1376 case K_MOUSELEFT: 1377 case K_MOUSERIGHT: 1378 /* Alternate buttons ignored here */ 1379 case K_X1MOUSE: 1380 case K_X1DRAG: 1381 case K_X1RELEASE: 1382 case K_X2MOUSE: 1383 case K_X2DRAG: 1384 case K_X2RELEASE: 1385 goto cmdline_not_changed; 1386 1387 #endif /* FEAT_MOUSE */ 1388 1389 #ifdef FEAT_GUI 1390 case K_LEFTMOUSE_NM: /* mousefocus click, ignored */ 1391 case K_LEFTRELEASE_NM: 1392 goto cmdline_not_changed; 1393 1394 case K_VER_SCROLLBAR: 1395 if (msg_scrolled == 0) 1396 { 1397 gui_do_scroll(); 1398 redrawcmd(); 1399 } 1400 goto cmdline_not_changed; 1401 1402 case K_HOR_SCROLLBAR: 1403 if (msg_scrolled == 0) 1404 { 1405 gui_do_horiz_scroll(scrollbar_value, FALSE); 1406 redrawcmd(); 1407 } 1408 goto cmdline_not_changed; 1409 #endif 1410 #ifdef FEAT_GUI_TABLINE 1411 case K_TABLINE: 1412 case K_TABMENU: 1413 /* Don't want to change any tabs here. Make sure the same tab 1414 * is still selected. */ 1415 if (gui_use_tabline()) 1416 gui_mch_set_curtab(tabpage_index(curtab)); 1417 goto cmdline_not_changed; 1418 #endif 1419 1420 case K_SELECT: /* end of Select mode mapping - ignore */ 1421 goto cmdline_not_changed; 1422 1423 case Ctrl_B: /* begin of command line */ 1424 case K_HOME: 1425 case K_KHOME: 1426 case K_S_HOME: 1427 case K_C_HOME: 1428 ccline.cmdpos = 0; 1429 set_cmdspos(); 1430 goto cmdline_not_changed; 1431 1432 case Ctrl_E: /* end of command line */ 1433 case K_END: 1434 case K_KEND: 1435 case K_S_END: 1436 case K_C_END: 1437 ccline.cmdpos = ccline.cmdlen; 1438 set_cmdspos_cursor(); 1439 goto cmdline_not_changed; 1440 1441 case Ctrl_A: /* all matches */ 1442 if (nextwild(&xpc, WILD_ALL, 0, firstc != '@') == FAIL) 1443 break; 1444 goto cmdline_changed; 1445 1446 case Ctrl_L: 1447 #ifdef FEAT_SEARCH_EXTRA 1448 if (p_is && !cmd_silent && (firstc == '/' || firstc == '?')) 1449 { 1450 /* Add a character from under the cursor for 'incsearch' */ 1451 if (did_incsearch 1452 && !equalpos(curwin->w_cursor, old_cursor)) 1453 { 1454 c = gchar_cursor(); 1455 /* If 'ignorecase' and 'smartcase' are set and the 1456 * command line has no uppercase characters, convert 1457 * the character to lowercase */ 1458 if (p_ic && p_scs && !pat_has_uppercase(ccline.cmdbuff)) 1459 c = MB_TOLOWER(c); 1460 if (c != NUL) 1461 { 1462 if (c == firstc || vim_strchr((char_u *)( 1463 p_magic ? "\\^$.*[" : "\\^$"), c) 1464 != NULL) 1465 { 1466 /* put a backslash before special characters */ 1467 stuffcharReadbuff(c); 1468 c = '\\'; 1469 } 1470 break; 1471 } 1472 } 1473 goto cmdline_not_changed; 1474 } 1475 #endif 1476 1477 /* completion: longest common part */ 1478 if (nextwild(&xpc, WILD_LONGEST, 0, firstc != '@') == FAIL) 1479 break; 1480 goto cmdline_changed; 1481 1482 case Ctrl_N: /* next match */ 1483 case Ctrl_P: /* previous match */ 1484 if (xpc.xp_numfiles > 0) 1485 { 1486 if (nextwild(&xpc, (c == Ctrl_P) ? WILD_PREV : WILD_NEXT, 1487 0, firstc != '@') == FAIL) 1488 break; 1489 goto cmdline_changed; 1490 } 1491 1492 #ifdef FEAT_CMDHIST 1493 case K_UP: 1494 case K_DOWN: 1495 case K_S_UP: 1496 case K_S_DOWN: 1497 case K_PAGEUP: 1498 case K_KPAGEUP: 1499 case K_PAGEDOWN: 1500 case K_KPAGEDOWN: 1501 if (hislen == 0 || firstc == NUL) /* no history */ 1502 goto cmdline_not_changed; 1503 1504 i = hiscnt; 1505 1506 /* save current command string so it can be restored later */ 1507 if (lookfor == NULL) 1508 { 1509 if ((lookfor = vim_strsave(ccline.cmdbuff)) == NULL) 1510 goto cmdline_not_changed; 1511 lookfor[ccline.cmdpos] = NUL; 1512 } 1513 1514 j = (int)STRLEN(lookfor); 1515 for (;;) 1516 { 1517 /* one step backwards */ 1518 if (c == K_UP|| c == K_S_UP || c == Ctrl_P 1519 || c == K_PAGEUP || c == K_KPAGEUP) 1520 { 1521 if (hiscnt == hislen) /* first time */ 1522 hiscnt = hisidx[histype]; 1523 else if (hiscnt == 0 && hisidx[histype] != hislen - 1) 1524 hiscnt = hislen - 1; 1525 else if (hiscnt != hisidx[histype] + 1) 1526 --hiscnt; 1527 else /* at top of list */ 1528 { 1529 hiscnt = i; 1530 break; 1531 } 1532 } 1533 else /* one step forwards */ 1534 { 1535 /* on last entry, clear the line */ 1536 if (hiscnt == hisidx[histype]) 1537 { 1538 hiscnt = hislen; 1539 break; 1540 } 1541 1542 /* not on a history line, nothing to do */ 1543 if (hiscnt == hislen) 1544 break; 1545 if (hiscnt == hislen - 1) /* wrap around */ 1546 hiscnt = 0; 1547 else 1548 ++hiscnt; 1549 } 1550 if (hiscnt < 0 || history[histype][hiscnt].hisstr == NULL) 1551 { 1552 hiscnt = i; 1553 break; 1554 } 1555 if ((c != K_UP && c != K_DOWN) 1556 || hiscnt == i 1557 || STRNCMP(history[histype][hiscnt].hisstr, 1558 lookfor, (size_t)j) == 0) 1559 break; 1560 } 1561 1562 if (hiscnt != i) /* jumped to other entry */ 1563 { 1564 char_u *p; 1565 int len; 1566 int old_firstc; 1567 1568 vim_free(ccline.cmdbuff); 1569 xpc.xp_context = EXPAND_NOTHING; 1570 if (hiscnt == hislen) 1571 p = lookfor; /* back to the old one */ 1572 else 1573 p = history[histype][hiscnt].hisstr; 1574 1575 if (histype == HIST_SEARCH 1576 && p != lookfor 1577 && (old_firstc = p[STRLEN(p) + 1]) != firstc) 1578 { 1579 /* Correct for the separator character used when 1580 * adding the history entry vs the one used now. 1581 * First loop: count length. 1582 * Second loop: copy the characters. */ 1583 for (i = 0; i <= 1; ++i) 1584 { 1585 len = 0; 1586 for (j = 0; p[j] != NUL; ++j) 1587 { 1588 /* Replace old sep with new sep, unless it is 1589 * escaped. */ 1590 if (p[j] == old_firstc 1591 && (j == 0 || p[j - 1] != '\\')) 1592 { 1593 if (i > 0) 1594 ccline.cmdbuff[len] = firstc; 1595 } 1596 else 1597 { 1598 /* Escape new sep, unless it is already 1599 * escaped. */ 1600 if (p[j] == firstc 1601 && (j == 0 || p[j - 1] != '\\')) 1602 { 1603 if (i > 0) 1604 ccline.cmdbuff[len] = '\\'; 1605 ++len; 1606 } 1607 if (i > 0) 1608 ccline.cmdbuff[len] = p[j]; 1609 } 1610 ++len; 1611 } 1612 if (i == 0) 1613 { 1614 alloc_cmdbuff(len); 1615 if (ccline.cmdbuff == NULL) 1616 goto returncmd; 1617 } 1618 } 1619 ccline.cmdbuff[len] = NUL; 1620 } 1621 else 1622 { 1623 alloc_cmdbuff((int)STRLEN(p)); 1624 if (ccline.cmdbuff == NULL) 1625 goto returncmd; 1626 STRCPY(ccline.cmdbuff, p); 1627 } 1628 1629 ccline.cmdpos = ccline.cmdlen = (int)STRLEN(ccline.cmdbuff); 1630 redrawcmd(); 1631 goto cmdline_changed; 1632 } 1633 beep_flush(); 1634 goto cmdline_not_changed; 1635 #endif 1636 1637 case Ctrl_V: 1638 case Ctrl_Q: 1639 #ifdef FEAT_MOUSE 1640 ignore_drag_release = TRUE; 1641 #endif 1642 putcmdline('^', TRUE); 1643 c = get_literal(); /* get next (two) character(s) */ 1644 do_abbr = FALSE; /* don't do abbreviation now */ 1645 #ifdef FEAT_MBYTE 1646 /* may need to remove ^ when composing char was typed */ 1647 if (enc_utf8 && utf_iscomposing(c) && !cmd_silent) 1648 { 1649 draw_cmdline(ccline.cmdpos, ccline.cmdlen - ccline.cmdpos); 1650 msg_putchar(' '); 1651 cursorcmd(); 1652 } 1653 #endif 1654 break; 1655 1656 #ifdef FEAT_DIGRAPHS 1657 case Ctrl_K: 1658 #ifdef FEAT_MOUSE 1659 ignore_drag_release = TRUE; 1660 #endif 1661 putcmdline('?', TRUE); 1662 #ifdef USE_ON_FLY_SCROLL 1663 dont_scroll = TRUE; /* disallow scrolling here */ 1664 #endif 1665 c = get_digraph(TRUE); 1666 if (c != NUL) 1667 break; 1668 1669 redrawcmd(); 1670 goto cmdline_not_changed; 1671 #endif /* FEAT_DIGRAPHS */ 1672 1673 #ifdef FEAT_RIGHTLEFT 1674 case Ctrl__: /* CTRL-_: switch language mode */ 1675 if (!p_ari) 1676 break; 1677 #ifdef FEAT_FKMAP 1678 if (p_altkeymap) 1679 { 1680 cmd_fkmap = !cmd_fkmap; 1681 if (cmd_fkmap) /* in Farsi always in Insert mode */ 1682 ccline.overstrike = FALSE; 1683 } 1684 else /* Hebrew is default */ 1685 #endif 1686 cmd_hkmap = !cmd_hkmap; 1687 goto cmdline_not_changed; 1688 #endif 1689 1690 default: 1691 #ifdef UNIX 1692 if (c == intr_char) 1693 { 1694 gotesc = TRUE; /* will free ccline.cmdbuff after 1695 putting it in history */ 1696 goto returncmd; /* back to Normal mode */ 1697 } 1698 #endif 1699 /* 1700 * Normal character with no special meaning. Just set mod_mask 1701 * to 0x0 so that typing Shift-Space in the GUI doesn't enter 1702 * the string <S-Space>. This should only happen after ^V. 1703 */ 1704 if (!IS_SPECIAL(c)) 1705 mod_mask = 0x0; 1706 break; 1707 } 1708 /* 1709 * End of switch on command line character. 1710 * We come here if we have a normal character. 1711 */ 1712 1713 if (do_abbr && (IS_SPECIAL(c) || !vim_iswordc(c)) && (ccheck_abbr( 1714 #ifdef FEAT_MBYTE 1715 /* Add ABBR_OFF for characters above 0x100, this is 1716 * what check_abbr() expects. */ 1717 (has_mbyte && c >= 0x100) ? (c + ABBR_OFF) : 1718 #endif 1719 c) || c == Ctrl_RSB)) 1720 goto cmdline_changed; 1721 1722 /* 1723 * put the character in the command line 1724 */ 1725 if (IS_SPECIAL(c) || mod_mask != 0) 1726 put_on_cmdline(get_special_key_name(c, mod_mask), -1, TRUE); 1727 else 1728 { 1729 #ifdef FEAT_MBYTE 1730 if (has_mbyte) 1731 { 1732 j = (*mb_char2bytes)(c, IObuff); 1733 IObuff[j] = NUL; /* exclude composing chars */ 1734 put_on_cmdline(IObuff, j, TRUE); 1735 } 1736 else 1737 #endif 1738 { 1739 IObuff[0] = c; 1740 put_on_cmdline(IObuff, 1, TRUE); 1741 } 1742 } 1743 goto cmdline_changed; 1744 1745 /* 1746 * This part implements incremental searches for "/" and "?" 1747 * Jump to cmdline_not_changed when a character has been read but the command 1748 * line did not change. Then we only search and redraw if something changed in 1749 * the past. 1750 * Jump to cmdline_changed when the command line did change. 1751 * (Sorry for the goto's, I know it is ugly). 1752 */ 1753 cmdline_not_changed: 1754 #ifdef FEAT_SEARCH_EXTRA 1755 if (!incsearch_postponed) 1756 continue; 1757 #endif 1758 1759 cmdline_changed: 1760 #ifdef FEAT_SEARCH_EXTRA 1761 /* 1762 * 'incsearch' highlighting. 1763 */ 1764 if (p_is && !cmd_silent && (firstc == '/' || firstc == '?')) 1765 { 1766 pos_T end_pos; 1767 #ifdef FEAT_RELTIME 1768 proftime_T tm; 1769 #endif 1770 1771 /* if there is a character waiting, search and redraw later */ 1772 if (char_avail()) 1773 { 1774 incsearch_postponed = TRUE; 1775 continue; 1776 } 1777 incsearch_postponed = FALSE; 1778 curwin->w_cursor = old_cursor; /* start at old position */ 1779 1780 /* If there is no command line, don't do anything */ 1781 if (ccline.cmdlen == 0) 1782 i = 0; 1783 else 1784 { 1785 cursor_off(); /* so the user knows we're busy */ 1786 out_flush(); 1787 ++emsg_off; /* So it doesn't beep if bad expr */ 1788 #ifdef FEAT_RELTIME 1789 /* Set the time limit to half a second. */ 1790 profile_setlimit(500L, &tm); 1791 #endif 1792 i = do_search(NULL, firstc, ccline.cmdbuff, count, 1793 SEARCH_KEEP + SEARCH_OPT + SEARCH_NOOF + SEARCH_PEEK, 1794 #ifdef FEAT_RELTIME 1795 &tm 1796 #else 1797 NULL 1798 #endif 1799 ); 1800 --emsg_off; 1801 /* if interrupted while searching, behave like it failed */ 1802 if (got_int) 1803 { 1804 (void)vpeekc(); /* remove <C-C> from input stream */ 1805 got_int = FALSE; /* don't abandon the command line */ 1806 i = 0; 1807 } 1808 else if (char_avail()) 1809 /* cancelled searching because a char was typed */ 1810 incsearch_postponed = TRUE; 1811 } 1812 if (i != 0) 1813 highlight_match = TRUE; /* highlight position */ 1814 else 1815 highlight_match = FALSE; /* remove highlight */ 1816 1817 /* first restore the old curwin values, so the screen is 1818 * positioned in the same way as the actual search command */ 1819 curwin->w_leftcol = old_leftcol; 1820 curwin->w_topline = old_topline; 1821 # ifdef FEAT_DIFF 1822 curwin->w_topfill = old_topfill; 1823 # endif 1824 curwin->w_botline = old_botline; 1825 changed_cline_bef_curs(); 1826 update_topline(); 1827 1828 if (i != 0) 1829 { 1830 pos_T save_pos = curwin->w_cursor; 1831 1832 /* 1833 * First move cursor to end of match, then to the start. This 1834 * moves the whole match onto the screen when 'nowrap' is set. 1835 */ 1836 curwin->w_cursor.lnum += search_match_lines; 1837 curwin->w_cursor.col = search_match_endcol; 1838 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 1839 { 1840 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 1841 coladvance((colnr_T)MAXCOL); 1842 } 1843 validate_cursor(); 1844 end_pos = curwin->w_cursor; 1845 curwin->w_cursor = save_pos; 1846 } 1847 else 1848 end_pos = curwin->w_cursor; /* shutup gcc 4 */ 1849 1850 validate_cursor(); 1851 # ifdef FEAT_WINDOWS 1852 /* May redraw the status line to show the cursor position. */ 1853 if (p_ru && curwin->w_status_height > 0) 1854 curwin->w_redr_status = TRUE; 1855 # endif 1856 1857 save_cmdline(&save_ccline); 1858 update_screen(SOME_VALID); 1859 restore_cmdline(&save_ccline); 1860 1861 /* Leave it at the end to make CTRL-R CTRL-W work. */ 1862 if (i != 0) 1863 curwin->w_cursor = end_pos; 1864 1865 msg_starthere(); 1866 redrawcmdline(); 1867 did_incsearch = TRUE; 1868 } 1869 #else /* FEAT_SEARCH_EXTRA */ 1870 ; 1871 #endif 1872 1873 #ifdef FEAT_RIGHTLEFT 1874 if (cmdmsg_rl 1875 # ifdef FEAT_ARABIC 1876 || (p_arshape && !p_tbidi && enc_utf8) 1877 # endif 1878 ) 1879 /* Always redraw the whole command line to fix shaping and 1880 * right-left typing. Not efficient, but it works. 1881 * Do it only when there are no characters left to read 1882 * to avoid useless intermediate redraws. */ 1883 if (vpeekc() == NUL) 1884 redrawcmd(); 1885 #endif 1886 } 1887 1888 returncmd: 1889 1890 #ifdef FEAT_RIGHTLEFT 1891 cmdmsg_rl = FALSE; 1892 #endif 1893 1894 #ifdef FEAT_FKMAP 1895 cmd_fkmap = 0; 1896 #endif 1897 1898 ExpandCleanup(&xpc); 1899 ccline.xpc = NULL; 1900 1901 #ifdef FEAT_SEARCH_EXTRA 1902 if (did_incsearch) 1903 { 1904 curwin->w_cursor = old_cursor; 1905 curwin->w_curswant = old_curswant; 1906 curwin->w_leftcol = old_leftcol; 1907 curwin->w_topline = old_topline; 1908 # ifdef FEAT_DIFF 1909 curwin->w_topfill = old_topfill; 1910 # endif 1911 curwin->w_botline = old_botline; 1912 highlight_match = FALSE; 1913 validate_cursor(); /* needed for TAB */ 1914 redraw_later(SOME_VALID); 1915 } 1916 #endif 1917 1918 if (ccline.cmdbuff != NULL) 1919 { 1920 /* 1921 * Put line in history buffer (":" and "=" only when it was typed). 1922 */ 1923 #ifdef FEAT_CMDHIST 1924 if (ccline.cmdlen && firstc != NUL 1925 && (some_key_typed || histype == HIST_SEARCH)) 1926 { 1927 add_to_history(histype, ccline.cmdbuff, TRUE, 1928 histype == HIST_SEARCH ? firstc : NUL); 1929 if (firstc == ':') 1930 { 1931 vim_free(new_last_cmdline); 1932 new_last_cmdline = vim_strsave(ccline.cmdbuff); 1933 } 1934 } 1935 #endif 1936 1937 if (gotesc) /* abandon command line */ 1938 { 1939 vim_free(ccline.cmdbuff); 1940 ccline.cmdbuff = NULL; 1941 if (msg_scrolled == 0) 1942 compute_cmdrow(); 1943 MSG(""); 1944 redraw_cmdline = TRUE; 1945 } 1946 } 1947 1948 /* 1949 * If the screen was shifted up, redraw the whole screen (later). 1950 * If the line is too long, clear it, so ruler and shown command do 1951 * not get printed in the middle of it. 1952 */ 1953 msg_check(); 1954 msg_scroll = save_msg_scroll; 1955 redir_off = FALSE; 1956 1957 /* When the command line was typed, no need for a wait-return prompt. */ 1958 if (some_key_typed) 1959 need_wait_return = FALSE; 1960 1961 State = save_State; 1962 #ifdef USE_IM_CONTROL 1963 if (b_im_ptr != NULL && *b_im_ptr != B_IMODE_LMAP) 1964 im_save_status(b_im_ptr); 1965 im_set_active(FALSE); 1966 #endif 1967 #ifdef FEAT_MOUSE 1968 setmouse(); 1969 #endif 1970 #ifdef CURSOR_SHAPE 1971 ui_cursor_shape(); /* may show different cursor shape */ 1972 #endif 1973 1974 { 1975 char_u *p = ccline.cmdbuff; 1976 1977 /* Make ccline empty, getcmdline() may try to use it. */ 1978 ccline.cmdbuff = NULL; 1979 return p; 1980 } 1981 } 1982 1983 #if (defined(FEAT_CRYPT) || defined(FEAT_EVAL)) || defined(PROTO) 1984 /* 1985 * Get a command line with a prompt. 1986 * This is prepared to be called recursively from getcmdline() (e.g. by 1987 * f_input() when evaluating an expression from CTRL-R =). 1988 * Returns the command line in allocated memory, or NULL. 1989 */ 1990 char_u * 1991 getcmdline_prompt(firstc, prompt, attr, xp_context, xp_arg) 1992 int firstc; 1993 char_u *prompt; /* command line prompt */ 1994 int attr; /* attributes for prompt */ 1995 int xp_context; /* type of expansion */ 1996 char_u *xp_arg; /* user-defined expansion argument */ 1997 { 1998 char_u *s; 1999 struct cmdline_info save_ccline; 2000 int msg_col_save = msg_col; 2001 2002 save_cmdline(&save_ccline); 2003 ccline.cmdprompt = prompt; 2004 ccline.cmdattr = attr; 2005 # ifdef FEAT_EVAL 2006 ccline.xp_context = xp_context; 2007 ccline.xp_arg = xp_arg; 2008 ccline.input_fn = (firstc == '@'); 2009 # endif 2010 s = getcmdline(firstc, 1L, 0); 2011 restore_cmdline(&save_ccline); 2012 /* Restore msg_col, the prompt from input() may have changed it. 2013 * But only if called recursively and the commandline is therefore being 2014 * restored to an old one; if not, the input() prompt stays on the screen, 2015 * so we need its modified msg_col left intact. */ 2016 if (ccline.cmdbuff != NULL) 2017 msg_col = msg_col_save; 2018 2019 return s; 2020 } 2021 #endif 2022 2023 /* 2024 * Return TRUE when the text must not be changed and we can't switch to 2025 * another window or buffer. Used when editing the command line, evaluating 2026 * 'balloonexpr', etc. 2027 */ 2028 int 2029 text_locked() 2030 { 2031 #ifdef FEAT_CMDWIN 2032 if (cmdwin_type != 0) 2033 return TRUE; 2034 #endif 2035 return textlock != 0; 2036 } 2037 2038 /* 2039 * Give an error message for a command that isn't allowed while the cmdline 2040 * window is open or editing the cmdline in another way. 2041 */ 2042 void 2043 text_locked_msg() 2044 { 2045 #ifdef FEAT_CMDWIN 2046 if (cmdwin_type != 0) 2047 EMSG(_(e_cmdwin)); 2048 else 2049 #endif 2050 EMSG(_(e_secure)); 2051 } 2052 2053 #if defined(FEAT_AUTOCMD) || defined(PROTO) 2054 /* 2055 * Check if "curbuf_lock" or "allbuf_lock" is set and return TRUE when it is 2056 * and give an error message. 2057 */ 2058 int 2059 curbuf_locked() 2060 { 2061 if (curbuf_lock > 0) 2062 { 2063 EMSG(_("E788: Not allowed to edit another buffer now")); 2064 return TRUE; 2065 } 2066 return allbuf_locked(); 2067 } 2068 2069 /* 2070 * Check if "allbuf_lock" is set and return TRUE when it is and give an error 2071 * message. 2072 */ 2073 int 2074 allbuf_locked() 2075 { 2076 if (allbuf_lock > 0) 2077 { 2078 EMSG(_("E811: Not allowed to change buffer information now")); 2079 return TRUE; 2080 } 2081 return FALSE; 2082 } 2083 #endif 2084 2085 static int 2086 cmdline_charsize(idx) 2087 int idx; 2088 { 2089 #if defined(FEAT_CRYPT) || defined(FEAT_EVAL) 2090 if (cmdline_star > 0) /* showing '*', always 1 position */ 2091 return 1; 2092 #endif 2093 return ptr2cells(ccline.cmdbuff + idx); 2094 } 2095 2096 /* 2097 * Compute the offset of the cursor on the command line for the prompt and 2098 * indent. 2099 */ 2100 static void 2101 set_cmdspos() 2102 { 2103 if (ccline.cmdfirstc != NUL) 2104 ccline.cmdspos = 1 + ccline.cmdindent; 2105 else 2106 ccline.cmdspos = 0 + ccline.cmdindent; 2107 } 2108 2109 /* 2110 * Compute the screen position for the cursor on the command line. 2111 */ 2112 static void 2113 set_cmdspos_cursor() 2114 { 2115 int i, m, c; 2116 2117 set_cmdspos(); 2118 if (KeyTyped) 2119 { 2120 m = Columns * Rows; 2121 if (m < 0) /* overflow, Columns or Rows at weird value */ 2122 m = MAXCOL; 2123 } 2124 else 2125 m = MAXCOL; 2126 for (i = 0; i < ccline.cmdlen && i < ccline.cmdpos; ++i) 2127 { 2128 c = cmdline_charsize(i); 2129 #ifdef FEAT_MBYTE 2130 /* Count ">" for double-wide multi-byte char that doesn't fit. */ 2131 if (has_mbyte) 2132 correct_cmdspos(i, c); 2133 #endif 2134 /* If the cmdline doesn't fit, show cursor on last visible char. 2135 * Don't move the cursor itself, so we can still append. */ 2136 if ((ccline.cmdspos += c) >= m) 2137 { 2138 ccline.cmdspos -= c; 2139 break; 2140 } 2141 #ifdef FEAT_MBYTE 2142 if (has_mbyte) 2143 i += (*mb_ptr2len)(ccline.cmdbuff + i) - 1; 2144 #endif 2145 } 2146 } 2147 2148 #ifdef FEAT_MBYTE 2149 /* 2150 * Check if the character at "idx", which is "cells" wide, is a multi-byte 2151 * character that doesn't fit, so that a ">" must be displayed. 2152 */ 2153 static void 2154 correct_cmdspos(idx, cells) 2155 int idx; 2156 int cells; 2157 { 2158 if ((*mb_ptr2len)(ccline.cmdbuff + idx) > 1 2159 && (*mb_ptr2cells)(ccline.cmdbuff + idx) > 1 2160 && ccline.cmdspos % Columns + cells > Columns) 2161 ccline.cmdspos++; 2162 } 2163 #endif 2164 2165 /* 2166 * Get an Ex command line for the ":" command. 2167 */ 2168 char_u * 2169 getexline(c, cookie, indent) 2170 int c; /* normally ':', NUL for ":append" */ 2171 void *cookie UNUSED; 2172 int indent; /* indent for inside conditionals */ 2173 { 2174 /* When executing a register, remove ':' that's in front of each line. */ 2175 if (exec_from_reg && vpeekc() == ':') 2176 (void)vgetc(); 2177 return getcmdline(c, 1L, indent); 2178 } 2179 2180 /* 2181 * Get an Ex command line for Ex mode. 2182 * In Ex mode we only use the OS supplied line editing features and no 2183 * mappings or abbreviations. 2184 * Returns a string in allocated memory or NULL. 2185 */ 2186 char_u * 2187 getexmodeline(promptc, cookie, indent) 2188 int promptc; /* normally ':', NUL for ":append" and '?' for 2189 :s prompt */ 2190 void *cookie UNUSED; 2191 int indent; /* indent for inside conditionals */ 2192 { 2193 garray_T line_ga; 2194 char_u *pend; 2195 int startcol = 0; 2196 int c1 = 0; 2197 int escaped = FALSE; /* CTRL-V typed */ 2198 int vcol = 0; 2199 char_u *p; 2200 int prev_char; 2201 int len; 2202 2203 /* Switch cursor on now. This avoids that it happens after the "\n", which 2204 * confuses the system function that computes tabstops. */ 2205 cursor_on(); 2206 2207 /* always start in column 0; write a newline if necessary */ 2208 compute_cmdrow(); 2209 if ((msg_col || msg_didout) && promptc != '?') 2210 msg_putchar('\n'); 2211 if (promptc == ':') 2212 { 2213 /* indent that is only displayed, not in the line itself */ 2214 if (p_prompt) 2215 msg_putchar(':'); 2216 while (indent-- > 0) 2217 msg_putchar(' '); 2218 startcol = msg_col; 2219 } 2220 2221 ga_init2(&line_ga, 1, 30); 2222 2223 /* autoindent for :insert and :append is in the line itself */ 2224 if (promptc <= 0) 2225 { 2226 vcol = indent; 2227 while (indent >= 8) 2228 { 2229 ga_append(&line_ga, TAB); 2230 msg_puts((char_u *)" "); 2231 indent -= 8; 2232 } 2233 while (indent-- > 0) 2234 { 2235 ga_append(&line_ga, ' '); 2236 msg_putchar(' '); 2237 } 2238 } 2239 ++no_mapping; 2240 ++allow_keys; 2241 2242 /* 2243 * Get the line, one character at a time. 2244 */ 2245 got_int = FALSE; 2246 while (!got_int) 2247 { 2248 long sw; 2249 char_u *s; 2250 2251 if (ga_grow(&line_ga, 40) == FAIL) 2252 break; 2253 2254 /* Get one character at a time. Don't use inchar(), it can't handle 2255 * special characters. */ 2256 prev_char = c1; 2257 c1 = vgetc(); 2258 2259 /* 2260 * Handle line editing. 2261 * Previously this was left to the system, putting the terminal in 2262 * cooked mode, but then CTRL-D and CTRL-T can't be used properly. 2263 */ 2264 if (got_int) 2265 { 2266 msg_putchar('\n'); 2267 break; 2268 } 2269 2270 if (!escaped) 2271 { 2272 /* CR typed means "enter", which is NL */ 2273 if (c1 == '\r') 2274 c1 = '\n'; 2275 2276 if (c1 == BS || c1 == K_BS 2277 || c1 == DEL || c1 == K_DEL || c1 == K_KDEL) 2278 { 2279 if (line_ga.ga_len > 0) 2280 { 2281 #ifdef FEAT_MBYTE 2282 if (has_mbyte) 2283 { 2284 p = (char_u *)line_ga.ga_data; 2285 p[line_ga.ga_len] = NUL; 2286 len = (*mb_head_off)(p, p + line_ga.ga_len - 1) + 1; 2287 line_ga.ga_len -= len; 2288 } 2289 else 2290 #endif 2291 --line_ga.ga_len; 2292 goto redraw; 2293 } 2294 continue; 2295 } 2296 2297 if (c1 == Ctrl_U) 2298 { 2299 msg_col = startcol; 2300 msg_clr_eos(); 2301 line_ga.ga_len = 0; 2302 goto redraw; 2303 } 2304 2305 if (c1 == Ctrl_T) 2306 { 2307 sw = get_sw_value(curbuf); 2308 p = (char_u *)line_ga.ga_data; 2309 p[line_ga.ga_len] = NUL; 2310 indent = get_indent_str(p, 8, FALSE); 2311 indent += sw - indent % sw; 2312 add_indent: 2313 while (get_indent_str(p, 8, FALSE) < indent) 2314 { 2315 (void)ga_grow(&line_ga, 2); /* one more for the NUL */ 2316 p = (char_u *)line_ga.ga_data; 2317 s = skipwhite(p); 2318 mch_memmove(s + 1, s, line_ga.ga_len - (s - p) + 1); 2319 *s = ' '; 2320 ++line_ga.ga_len; 2321 } 2322 redraw: 2323 /* redraw the line */ 2324 msg_col = startcol; 2325 vcol = 0; 2326 p = (char_u *)line_ga.ga_data; 2327 p[line_ga.ga_len] = NUL; 2328 while (p < (char_u *)line_ga.ga_data + line_ga.ga_len) 2329 { 2330 if (*p == TAB) 2331 { 2332 do 2333 { 2334 msg_putchar(' '); 2335 } while (++vcol % 8); 2336 ++p; 2337 } 2338 else 2339 { 2340 len = MB_PTR2LEN(p); 2341 msg_outtrans_len(p, len); 2342 vcol += ptr2cells(p); 2343 p += len; 2344 } 2345 } 2346 msg_clr_eos(); 2347 windgoto(msg_row, msg_col); 2348 continue; 2349 } 2350 2351 if (c1 == Ctrl_D) 2352 { 2353 /* Delete one shiftwidth. */ 2354 p = (char_u *)line_ga.ga_data; 2355 if (prev_char == '0' || prev_char == '^') 2356 { 2357 if (prev_char == '^') 2358 ex_keep_indent = TRUE; 2359 indent = 0; 2360 p[--line_ga.ga_len] = NUL; 2361 } 2362 else 2363 { 2364 p[line_ga.ga_len] = NUL; 2365 indent = get_indent_str(p, 8, FALSE); 2366 if (indent > 0) 2367 { 2368 --indent; 2369 indent -= indent % get_sw_value(curbuf); 2370 } 2371 } 2372 while (get_indent_str(p, 8, FALSE) > indent) 2373 { 2374 s = skipwhite(p); 2375 mch_memmove(s - 1, s, line_ga.ga_len - (s - p) + 1); 2376 --line_ga.ga_len; 2377 } 2378 goto add_indent; 2379 } 2380 2381 if (c1 == Ctrl_V || c1 == Ctrl_Q) 2382 { 2383 escaped = TRUE; 2384 continue; 2385 } 2386 2387 /* Ignore special key codes: mouse movement, K_IGNORE, etc. */ 2388 if (IS_SPECIAL(c1)) 2389 continue; 2390 } 2391 2392 if (IS_SPECIAL(c1)) 2393 c1 = '?'; 2394 #ifdef FEAT_MBYTE 2395 if (has_mbyte) 2396 len = (*mb_char2bytes)(c1, 2397 (char_u *)line_ga.ga_data + line_ga.ga_len); 2398 else 2399 #endif 2400 { 2401 len = 1; 2402 ((char_u *)line_ga.ga_data)[line_ga.ga_len] = c1; 2403 } 2404 if (c1 == '\n') 2405 msg_putchar('\n'); 2406 else if (c1 == TAB) 2407 { 2408 /* Don't use chartabsize(), 'ts' can be different */ 2409 do 2410 { 2411 msg_putchar(' '); 2412 } while (++vcol % 8); 2413 } 2414 else 2415 { 2416 msg_outtrans_len( 2417 ((char_u *)line_ga.ga_data) + line_ga.ga_len, len); 2418 vcol += char2cells(c1); 2419 } 2420 line_ga.ga_len += len; 2421 escaped = FALSE; 2422 2423 windgoto(msg_row, msg_col); 2424 pend = (char_u *)(line_ga.ga_data) + line_ga.ga_len; 2425 2426 /* We are done when a NL is entered, but not when it comes after an 2427 * odd number of backslashes, that results in a NUL. */ 2428 if (line_ga.ga_len > 0 && pend[-1] == '\n') 2429 { 2430 int bcount = 0; 2431 2432 while (line_ga.ga_len - 2 >= bcount && pend[-2 - bcount] == '\\') 2433 ++bcount; 2434 2435 if (bcount > 0) 2436 { 2437 /* Halve the number of backslashes: "\NL" -> "NUL", "\\NL" -> 2438 * "\NL", etc. */ 2439 line_ga.ga_len -= (bcount + 1) / 2; 2440 pend -= (bcount + 1) / 2; 2441 pend[-1] = '\n'; 2442 } 2443 2444 if ((bcount & 1) == 0) 2445 { 2446 --line_ga.ga_len; 2447 --pend; 2448 *pend = NUL; 2449 break; 2450 } 2451 } 2452 } 2453 2454 --no_mapping; 2455 --allow_keys; 2456 2457 /* make following messages go to the next line */ 2458 msg_didout = FALSE; 2459 msg_col = 0; 2460 if (msg_row < Rows - 1) 2461 ++msg_row; 2462 emsg_on_display = FALSE; /* don't want ui_delay() */ 2463 2464 if (got_int) 2465 ga_clear(&line_ga); 2466 2467 return (char_u *)line_ga.ga_data; 2468 } 2469 2470 # if defined(MCH_CURSOR_SHAPE) || defined(FEAT_GUI) \ 2471 || defined(FEAT_MOUSESHAPE) || defined(PROTO) 2472 /* 2473 * Return TRUE if ccline.overstrike is on. 2474 */ 2475 int 2476 cmdline_overstrike() 2477 { 2478 return ccline.overstrike; 2479 } 2480 2481 /* 2482 * Return TRUE if the cursor is at the end of the cmdline. 2483 */ 2484 int 2485 cmdline_at_end() 2486 { 2487 return (ccline.cmdpos >= ccline.cmdlen); 2488 } 2489 #endif 2490 2491 #if (defined(FEAT_XIM) && (defined(FEAT_GUI_GTK))) || defined(PROTO) 2492 /* 2493 * Return the virtual column number at the current cursor position. 2494 * This is used by the IM code to obtain the start of the preedit string. 2495 */ 2496 colnr_T 2497 cmdline_getvcol_cursor() 2498 { 2499 if (ccline.cmdbuff == NULL || ccline.cmdpos > ccline.cmdlen) 2500 return MAXCOL; 2501 2502 # ifdef FEAT_MBYTE 2503 if (has_mbyte) 2504 { 2505 colnr_T col; 2506 int i = 0; 2507 2508 for (col = 0; i < ccline.cmdpos; ++col) 2509 i += (*mb_ptr2len)(ccline.cmdbuff + i); 2510 2511 return col; 2512 } 2513 else 2514 # endif 2515 return ccline.cmdpos; 2516 } 2517 #endif 2518 2519 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) 2520 /* 2521 * If part of the command line is an IM preedit string, redraw it with 2522 * IM feedback attributes. The cursor position is restored after drawing. 2523 */ 2524 static void 2525 redrawcmd_preedit() 2526 { 2527 if ((State & CMDLINE) 2528 && xic != NULL 2529 /* && im_get_status() doesn't work when using SCIM */ 2530 && !p_imdisable 2531 && im_is_preediting()) 2532 { 2533 int cmdpos = 0; 2534 int cmdspos; 2535 int old_row; 2536 int old_col; 2537 colnr_T col; 2538 2539 old_row = msg_row; 2540 old_col = msg_col; 2541 cmdspos = ((ccline.cmdfirstc != NUL) ? 1 : 0) + ccline.cmdindent; 2542 2543 # ifdef FEAT_MBYTE 2544 if (has_mbyte) 2545 { 2546 for (col = 0; col < preedit_start_col 2547 && cmdpos < ccline.cmdlen; ++col) 2548 { 2549 cmdspos += (*mb_ptr2cells)(ccline.cmdbuff + cmdpos); 2550 cmdpos += (*mb_ptr2len)(ccline.cmdbuff + cmdpos); 2551 } 2552 } 2553 else 2554 # endif 2555 { 2556 cmdspos += preedit_start_col; 2557 cmdpos += preedit_start_col; 2558 } 2559 2560 msg_row = cmdline_row + (cmdspos / (int)Columns); 2561 msg_col = cmdspos % (int)Columns; 2562 if (msg_row >= Rows) 2563 msg_row = Rows - 1; 2564 2565 for (col = 0; cmdpos < ccline.cmdlen; ++col) 2566 { 2567 int char_len; 2568 int char_attr; 2569 2570 char_attr = im_get_feedback_attr(col); 2571 if (char_attr < 0) 2572 break; /* end of preedit string */ 2573 2574 # ifdef FEAT_MBYTE 2575 if (has_mbyte) 2576 char_len = (*mb_ptr2len)(ccline.cmdbuff + cmdpos); 2577 else 2578 # endif 2579 char_len = 1; 2580 2581 msg_outtrans_len_attr(ccline.cmdbuff + cmdpos, char_len, char_attr); 2582 cmdpos += char_len; 2583 } 2584 2585 msg_row = old_row; 2586 msg_col = old_col; 2587 } 2588 } 2589 #endif /* FEAT_XIM && FEAT_GUI_GTK */ 2590 2591 /* 2592 * Allocate a new command line buffer. 2593 * Assigns the new buffer to ccline.cmdbuff and ccline.cmdbufflen. 2594 * Returns the new value of ccline.cmdbuff and ccline.cmdbufflen. 2595 */ 2596 static void 2597 alloc_cmdbuff(len) 2598 int len; 2599 { 2600 /* 2601 * give some extra space to avoid having to allocate all the time 2602 */ 2603 if (len < 80) 2604 len = 100; 2605 else 2606 len += 20; 2607 2608 ccline.cmdbuff = alloc(len); /* caller should check for out-of-memory */ 2609 ccline.cmdbufflen = len; 2610 } 2611 2612 /* 2613 * Re-allocate the command line to length len + something extra. 2614 * return FAIL for failure, OK otherwise 2615 */ 2616 static int 2617 realloc_cmdbuff(len) 2618 int len; 2619 { 2620 char_u *p; 2621 2622 if (len < ccline.cmdbufflen) 2623 return OK; /* no need to resize */ 2624 2625 p = ccline.cmdbuff; 2626 alloc_cmdbuff(len); /* will get some more */ 2627 if (ccline.cmdbuff == NULL) /* out of memory */ 2628 { 2629 ccline.cmdbuff = p; /* keep the old one */ 2630 return FAIL; 2631 } 2632 /* There isn't always a NUL after the command, but it may need to be 2633 * there, thus copy up to the NUL and add a NUL. */ 2634 mch_memmove(ccline.cmdbuff, p, (size_t)ccline.cmdlen); 2635 ccline.cmdbuff[ccline.cmdlen] = NUL; 2636 vim_free(p); 2637 2638 if (ccline.xpc != NULL 2639 && ccline.xpc->xp_pattern != NULL 2640 && ccline.xpc->xp_context != EXPAND_NOTHING 2641 && ccline.xpc->xp_context != EXPAND_UNSUCCESSFUL) 2642 { 2643 int i = (int)(ccline.xpc->xp_pattern - p); 2644 2645 /* If xp_pattern points inside the old cmdbuff it needs to be adjusted 2646 * to point into the newly allocated memory. */ 2647 if (i >= 0 && i <= ccline.cmdlen) 2648 ccline.xpc->xp_pattern = ccline.cmdbuff + i; 2649 } 2650 2651 return OK; 2652 } 2653 2654 #if defined(FEAT_ARABIC) || defined(PROTO) 2655 static char_u *arshape_buf = NULL; 2656 2657 # if defined(EXITFREE) || defined(PROTO) 2658 void 2659 free_cmdline_buf() 2660 { 2661 vim_free(arshape_buf); 2662 } 2663 # endif 2664 #endif 2665 2666 /* 2667 * Draw part of the cmdline at the current cursor position. But draw stars 2668 * when cmdline_star is TRUE. 2669 */ 2670 static void 2671 draw_cmdline(start, len) 2672 int start; 2673 int len; 2674 { 2675 #if defined(FEAT_CRYPT) || defined(FEAT_EVAL) 2676 int i; 2677 2678 if (cmdline_star > 0) 2679 for (i = 0; i < len; ++i) 2680 { 2681 msg_putchar('*'); 2682 # ifdef FEAT_MBYTE 2683 if (has_mbyte) 2684 i += (*mb_ptr2len)(ccline.cmdbuff + start + i) - 1; 2685 # endif 2686 } 2687 else 2688 #endif 2689 #ifdef FEAT_ARABIC 2690 if (p_arshape && !p_tbidi && enc_utf8 && len > 0) 2691 { 2692 static int buflen = 0; 2693 char_u *p; 2694 int j; 2695 int newlen = 0; 2696 int mb_l; 2697 int pc, pc1 = 0; 2698 int prev_c = 0; 2699 int prev_c1 = 0; 2700 int u8c; 2701 int u8cc[MAX_MCO]; 2702 int nc = 0; 2703 2704 /* 2705 * Do arabic shaping into a temporary buffer. This is very 2706 * inefficient! 2707 */ 2708 if (len * 2 + 2 > buflen) 2709 { 2710 /* Re-allocate the buffer. We keep it around to avoid a lot of 2711 * alloc()/free() calls. */ 2712 vim_free(arshape_buf); 2713 buflen = len * 2 + 2; 2714 arshape_buf = alloc(buflen); 2715 if (arshape_buf == NULL) 2716 return; /* out of memory */ 2717 } 2718 2719 if (utf_iscomposing(utf_ptr2char(ccline.cmdbuff + start))) 2720 { 2721 /* Prepend a space to draw the leading composing char on. */ 2722 arshape_buf[0] = ' '; 2723 newlen = 1; 2724 } 2725 2726 for (j = start; j < start + len; j += mb_l) 2727 { 2728 p = ccline.cmdbuff + j; 2729 u8c = utfc_ptr2char_len(p, u8cc, start + len - j); 2730 mb_l = utfc_ptr2len_len(p, start + len - j); 2731 if (ARABIC_CHAR(u8c)) 2732 { 2733 /* Do Arabic shaping. */ 2734 if (cmdmsg_rl) 2735 { 2736 /* displaying from right to left */ 2737 pc = prev_c; 2738 pc1 = prev_c1; 2739 prev_c1 = u8cc[0]; 2740 if (j + mb_l >= start + len) 2741 nc = NUL; 2742 else 2743 nc = utf_ptr2char(p + mb_l); 2744 } 2745 else 2746 { 2747 /* displaying from left to right */ 2748 if (j + mb_l >= start + len) 2749 pc = NUL; 2750 else 2751 { 2752 int pcc[MAX_MCO]; 2753 2754 pc = utfc_ptr2char_len(p + mb_l, pcc, 2755 start + len - j - mb_l); 2756 pc1 = pcc[0]; 2757 } 2758 nc = prev_c; 2759 } 2760 prev_c = u8c; 2761 2762 u8c = arabic_shape(u8c, NULL, &u8cc[0], pc, pc1, nc); 2763 2764 newlen += (*mb_char2bytes)(u8c, arshape_buf + newlen); 2765 if (u8cc[0] != 0) 2766 { 2767 newlen += (*mb_char2bytes)(u8cc[0], arshape_buf + newlen); 2768 if (u8cc[1] != 0) 2769 newlen += (*mb_char2bytes)(u8cc[1], 2770 arshape_buf + newlen); 2771 } 2772 } 2773 else 2774 { 2775 prev_c = u8c; 2776 mch_memmove(arshape_buf + newlen, p, mb_l); 2777 newlen += mb_l; 2778 } 2779 } 2780 2781 msg_outtrans_len(arshape_buf, newlen); 2782 } 2783 else 2784 #endif 2785 msg_outtrans_len(ccline.cmdbuff + start, len); 2786 } 2787 2788 /* 2789 * Put a character on the command line. Shifts the following text to the 2790 * right when "shift" is TRUE. Used for CTRL-V, CTRL-K, etc. 2791 * "c" must be printable (fit in one display cell)! 2792 */ 2793 void 2794 putcmdline(c, shift) 2795 int c; 2796 int shift; 2797 { 2798 if (cmd_silent) 2799 return; 2800 msg_no_more = TRUE; 2801 msg_putchar(c); 2802 if (shift) 2803 draw_cmdline(ccline.cmdpos, ccline.cmdlen - ccline.cmdpos); 2804 msg_no_more = FALSE; 2805 cursorcmd(); 2806 } 2807 2808 /* 2809 * Undo a putcmdline(c, FALSE). 2810 */ 2811 void 2812 unputcmdline() 2813 { 2814 if (cmd_silent) 2815 return; 2816 msg_no_more = TRUE; 2817 if (ccline.cmdlen == ccline.cmdpos) 2818 msg_putchar(' '); 2819 #ifdef FEAT_MBYTE 2820 else if (has_mbyte) 2821 draw_cmdline(ccline.cmdpos, 2822 (*mb_ptr2len)(ccline.cmdbuff + ccline.cmdpos)); 2823 #endif 2824 else 2825 draw_cmdline(ccline.cmdpos, 1); 2826 msg_no_more = FALSE; 2827 cursorcmd(); 2828 } 2829 2830 /* 2831 * Put the given string, of the given length, onto the command line. 2832 * If len is -1, then STRLEN() is used to calculate the length. 2833 * If 'redraw' is TRUE then the new part of the command line, and the remaining 2834 * part will be redrawn, otherwise it will not. If this function is called 2835 * twice in a row, then 'redraw' should be FALSE and redrawcmd() should be 2836 * called afterwards. 2837 */ 2838 int 2839 put_on_cmdline(str, len, redraw) 2840 char_u *str; 2841 int len; 2842 int redraw; 2843 { 2844 int retval; 2845 int i; 2846 int m; 2847 int c; 2848 2849 if (len < 0) 2850 len = (int)STRLEN(str); 2851 2852 /* Check if ccline.cmdbuff needs to be longer */ 2853 if (ccline.cmdlen + len + 1 >= ccline.cmdbufflen) 2854 retval = realloc_cmdbuff(ccline.cmdlen + len + 1); 2855 else 2856 retval = OK; 2857 if (retval == OK) 2858 { 2859 if (!ccline.overstrike) 2860 { 2861 mch_memmove(ccline.cmdbuff + ccline.cmdpos + len, 2862 ccline.cmdbuff + ccline.cmdpos, 2863 (size_t)(ccline.cmdlen - ccline.cmdpos)); 2864 ccline.cmdlen += len; 2865 } 2866 else 2867 { 2868 #ifdef FEAT_MBYTE 2869 if (has_mbyte) 2870 { 2871 /* Count nr of characters in the new string. */ 2872 m = 0; 2873 for (i = 0; i < len; i += (*mb_ptr2len)(str + i)) 2874 ++m; 2875 /* Count nr of bytes in cmdline that are overwritten by these 2876 * characters. */ 2877 for (i = ccline.cmdpos; i < ccline.cmdlen && m > 0; 2878 i += (*mb_ptr2len)(ccline.cmdbuff + i)) 2879 --m; 2880 if (i < ccline.cmdlen) 2881 { 2882 mch_memmove(ccline.cmdbuff + ccline.cmdpos + len, 2883 ccline.cmdbuff + i, (size_t)(ccline.cmdlen - i)); 2884 ccline.cmdlen += ccline.cmdpos + len - i; 2885 } 2886 else 2887 ccline.cmdlen = ccline.cmdpos + len; 2888 } 2889 else 2890 #endif 2891 if (ccline.cmdpos + len > ccline.cmdlen) 2892 ccline.cmdlen = ccline.cmdpos + len; 2893 } 2894 mch_memmove(ccline.cmdbuff + ccline.cmdpos, str, (size_t)len); 2895 ccline.cmdbuff[ccline.cmdlen] = NUL; 2896 2897 #ifdef FEAT_MBYTE 2898 if (enc_utf8) 2899 { 2900 /* When the inserted text starts with a composing character, 2901 * backup to the character before it. There could be two of them. 2902 */ 2903 i = 0; 2904 c = utf_ptr2char(ccline.cmdbuff + ccline.cmdpos); 2905 while (ccline.cmdpos > 0 && utf_iscomposing(c)) 2906 { 2907 i = (*mb_head_off)(ccline.cmdbuff, 2908 ccline.cmdbuff + ccline.cmdpos - 1) + 1; 2909 ccline.cmdpos -= i; 2910 len += i; 2911 c = utf_ptr2char(ccline.cmdbuff + ccline.cmdpos); 2912 } 2913 # ifdef FEAT_ARABIC 2914 if (i == 0 && ccline.cmdpos > 0 && arabic_maycombine(c)) 2915 { 2916 /* Check the previous character for Arabic combining pair. */ 2917 i = (*mb_head_off)(ccline.cmdbuff, 2918 ccline.cmdbuff + ccline.cmdpos - 1) + 1; 2919 if (arabic_combine(utf_ptr2char(ccline.cmdbuff 2920 + ccline.cmdpos - i), c)) 2921 { 2922 ccline.cmdpos -= i; 2923 len += i; 2924 } 2925 else 2926 i = 0; 2927 } 2928 # endif 2929 if (i != 0) 2930 { 2931 /* Also backup the cursor position. */ 2932 i = ptr2cells(ccline.cmdbuff + ccline.cmdpos); 2933 ccline.cmdspos -= i; 2934 msg_col -= i; 2935 if (msg_col < 0) 2936 { 2937 msg_col += Columns; 2938 --msg_row; 2939 } 2940 } 2941 } 2942 #endif 2943 2944 if (redraw && !cmd_silent) 2945 { 2946 msg_no_more = TRUE; 2947 i = cmdline_row; 2948 cursorcmd(); 2949 draw_cmdline(ccline.cmdpos, ccline.cmdlen - ccline.cmdpos); 2950 /* Avoid clearing the rest of the line too often. */ 2951 if (cmdline_row != i || ccline.overstrike) 2952 msg_clr_eos(); 2953 msg_no_more = FALSE; 2954 } 2955 #ifdef FEAT_FKMAP 2956 /* 2957 * If we are in Farsi command mode, the character input must be in 2958 * Insert mode. So do not advance the cmdpos. 2959 */ 2960 if (!cmd_fkmap) 2961 #endif 2962 { 2963 if (KeyTyped) 2964 { 2965 m = Columns * Rows; 2966 if (m < 0) /* overflow, Columns or Rows at weird value */ 2967 m = MAXCOL; 2968 } 2969 else 2970 m = MAXCOL; 2971 for (i = 0; i < len; ++i) 2972 { 2973 c = cmdline_charsize(ccline.cmdpos); 2974 #ifdef FEAT_MBYTE 2975 /* count ">" for a double-wide char that doesn't fit. */ 2976 if (has_mbyte) 2977 correct_cmdspos(ccline.cmdpos, c); 2978 #endif 2979 /* Stop cursor at the end of the screen, but do increment the 2980 * insert position, so that entering a very long command 2981 * works, even though you can't see it. */ 2982 if (ccline.cmdspos + c < m) 2983 ccline.cmdspos += c; 2984 #ifdef FEAT_MBYTE 2985 if (has_mbyte) 2986 { 2987 c = (*mb_ptr2len)(ccline.cmdbuff + ccline.cmdpos) - 1; 2988 if (c > len - i - 1) 2989 c = len - i - 1; 2990 ccline.cmdpos += c; 2991 i += c; 2992 } 2993 #endif 2994 ++ccline.cmdpos; 2995 } 2996 } 2997 } 2998 if (redraw) 2999 msg_check(); 3000 return retval; 3001 } 3002 3003 static struct cmdline_info prev_ccline; 3004 static int prev_ccline_used = FALSE; 3005 3006 /* 3007 * Save ccline, because obtaining the "=" register may execute "normal :cmd" 3008 * and overwrite it. But get_cmdline_str() may need it, thus make it 3009 * available globally in prev_ccline. 3010 */ 3011 static void 3012 save_cmdline(ccp) 3013 struct cmdline_info *ccp; 3014 { 3015 if (!prev_ccline_used) 3016 { 3017 vim_memset(&prev_ccline, 0, sizeof(struct cmdline_info)); 3018 prev_ccline_used = TRUE; 3019 } 3020 *ccp = prev_ccline; 3021 prev_ccline = ccline; 3022 ccline.cmdbuff = NULL; 3023 ccline.cmdprompt = NULL; 3024 ccline.xpc = NULL; 3025 } 3026 3027 /* 3028 * Restore ccline after it has been saved with save_cmdline(). 3029 */ 3030 static void 3031 restore_cmdline(ccp) 3032 struct cmdline_info *ccp; 3033 { 3034 ccline = prev_ccline; 3035 prev_ccline = *ccp; 3036 } 3037 3038 #if defined(FEAT_EVAL) || defined(PROTO) 3039 /* 3040 * Save the command line into allocated memory. Returns a pointer to be 3041 * passed to restore_cmdline_alloc() later. 3042 * Returns NULL when failed. 3043 */ 3044 char_u * 3045 save_cmdline_alloc() 3046 { 3047 struct cmdline_info *p; 3048 3049 p = (struct cmdline_info *)alloc((unsigned)sizeof(struct cmdline_info)); 3050 if (p != NULL) 3051 save_cmdline(p); 3052 return (char_u *)p; 3053 } 3054 3055 /* 3056 * Restore the command line from the return value of save_cmdline_alloc(). 3057 */ 3058 void 3059 restore_cmdline_alloc(p) 3060 char_u *p; 3061 { 3062 if (p != NULL) 3063 { 3064 restore_cmdline((struct cmdline_info *)p); 3065 vim_free(p); 3066 } 3067 } 3068 #endif 3069 3070 /* 3071 * Paste a yank register into the command line. 3072 * Used by CTRL-R command in command-line mode. 3073 * insert_reg() can't be used here, because special characters from the 3074 * register contents will be interpreted as commands. 3075 * 3076 * Return FAIL for failure, OK otherwise. 3077 */ 3078 static int 3079 cmdline_paste(regname, literally, remcr) 3080 int regname; 3081 int literally; /* Insert text literally instead of "as typed" */ 3082 int remcr; /* remove trailing CR */ 3083 { 3084 long i; 3085 char_u *arg; 3086 char_u *p; 3087 int allocated; 3088 struct cmdline_info save_ccline; 3089 3090 /* check for valid regname; also accept special characters for CTRL-R in 3091 * the command line */ 3092 if (regname != Ctrl_F && regname != Ctrl_P && regname != Ctrl_W 3093 && regname != Ctrl_A && !valid_yank_reg(regname, FALSE)) 3094 return FAIL; 3095 3096 /* A register containing CTRL-R can cause an endless loop. Allow using 3097 * CTRL-C to break the loop. */ 3098 line_breakcheck(); 3099 if (got_int) 3100 return FAIL; 3101 3102 #ifdef FEAT_CLIPBOARD 3103 regname = may_get_selection(regname); 3104 #endif 3105 3106 /* Need to save and restore ccline. And set "textlock" to avoid nasty 3107 * things like going to another buffer when evaluating an expression. */ 3108 save_cmdline(&save_ccline); 3109 ++textlock; 3110 i = get_spec_reg(regname, &arg, &allocated, TRUE); 3111 --textlock; 3112 restore_cmdline(&save_ccline); 3113 3114 if (i) 3115 { 3116 /* Got the value of a special register in "arg". */ 3117 if (arg == NULL) 3118 return FAIL; 3119 3120 /* When 'incsearch' is set and CTRL-R CTRL-W used: skip the duplicate 3121 * part of the word. */ 3122 p = arg; 3123 if (p_is && regname == Ctrl_W) 3124 { 3125 char_u *w; 3126 int len; 3127 3128 /* Locate start of last word in the cmd buffer. */ 3129 for (w = ccline.cmdbuff + ccline.cmdpos; w > ccline.cmdbuff; ) 3130 { 3131 #ifdef FEAT_MBYTE 3132 if (has_mbyte) 3133 { 3134 len = (*mb_head_off)(ccline.cmdbuff, w - 1) + 1; 3135 if (!vim_iswordc(mb_ptr2char(w - len))) 3136 break; 3137 w -= len; 3138 } 3139 else 3140 #endif 3141 { 3142 if (!vim_iswordc(w[-1])) 3143 break; 3144 --w; 3145 } 3146 } 3147 len = (int)((ccline.cmdbuff + ccline.cmdpos) - w); 3148 if (p_ic ? STRNICMP(w, arg, len) == 0 : STRNCMP(w, arg, len) == 0) 3149 p += len; 3150 } 3151 3152 cmdline_paste_str(p, literally); 3153 if (allocated) 3154 vim_free(arg); 3155 return OK; 3156 } 3157 3158 return cmdline_paste_reg(regname, literally, remcr); 3159 } 3160 3161 /* 3162 * Put a string on the command line. 3163 * When "literally" is TRUE, insert literally. 3164 * When "literally" is FALSE, insert as typed, but don't leave the command 3165 * line. 3166 */ 3167 void 3168 cmdline_paste_str(s, literally) 3169 char_u *s; 3170 int literally; 3171 { 3172 int c, cv; 3173 3174 if (literally) 3175 put_on_cmdline(s, -1, TRUE); 3176 else 3177 while (*s != NUL) 3178 { 3179 cv = *s; 3180 if (cv == Ctrl_V && s[1]) 3181 ++s; 3182 #ifdef FEAT_MBYTE 3183 if (has_mbyte) 3184 c = mb_cptr2char_adv(&s); 3185 else 3186 #endif 3187 c = *s++; 3188 if (cv == Ctrl_V || c == ESC || c == Ctrl_C 3189 || c == CAR || c == NL || c == Ctrl_L 3190 #ifdef UNIX 3191 || c == intr_char 3192 #endif 3193 || (c == Ctrl_BSL && *s == Ctrl_N)) 3194 stuffcharReadbuff(Ctrl_V); 3195 stuffcharReadbuff(c); 3196 } 3197 } 3198 3199 #ifdef FEAT_WILDMENU 3200 /* 3201 * Delete characters on the command line, from "from" to the current 3202 * position. 3203 */ 3204 static void 3205 cmdline_del(from) 3206 int from; 3207 { 3208 mch_memmove(ccline.cmdbuff + from, ccline.cmdbuff + ccline.cmdpos, 3209 (size_t)(ccline.cmdlen - ccline.cmdpos + 1)); 3210 ccline.cmdlen -= ccline.cmdpos - from; 3211 ccline.cmdpos = from; 3212 } 3213 #endif 3214 3215 /* 3216 * this function is called when the screen size changes and with incremental 3217 * search 3218 */ 3219 void 3220 redrawcmdline() 3221 { 3222 if (cmd_silent) 3223 return; 3224 need_wait_return = FALSE; 3225 compute_cmdrow(); 3226 redrawcmd(); 3227 cursorcmd(); 3228 } 3229 3230 static void 3231 redrawcmdprompt() 3232 { 3233 int i; 3234 3235 if (cmd_silent) 3236 return; 3237 if (ccline.cmdfirstc != NUL) 3238 msg_putchar(ccline.cmdfirstc); 3239 if (ccline.cmdprompt != NULL) 3240 { 3241 msg_puts_attr(ccline.cmdprompt, ccline.cmdattr); 3242 ccline.cmdindent = msg_col + (msg_row - cmdline_row) * Columns; 3243 /* do the reverse of set_cmdspos() */ 3244 if (ccline.cmdfirstc != NUL) 3245 --ccline.cmdindent; 3246 } 3247 else 3248 for (i = ccline.cmdindent; i > 0; --i) 3249 msg_putchar(' '); 3250 } 3251 3252 /* 3253 * Redraw what is currently on the command line. 3254 */ 3255 void 3256 redrawcmd() 3257 { 3258 if (cmd_silent) 3259 return; 3260 3261 /* when 'incsearch' is set there may be no command line while redrawing */ 3262 if (ccline.cmdbuff == NULL) 3263 { 3264 windgoto(cmdline_row, 0); 3265 msg_clr_eos(); 3266 return; 3267 } 3268 3269 msg_start(); 3270 redrawcmdprompt(); 3271 3272 /* Don't use more prompt, truncate the cmdline if it doesn't fit. */ 3273 msg_no_more = TRUE; 3274 draw_cmdline(0, ccline.cmdlen); 3275 msg_clr_eos(); 3276 msg_no_more = FALSE; 3277 3278 set_cmdspos_cursor(); 3279 3280 /* 3281 * An emsg() before may have set msg_scroll. This is used in normal mode, 3282 * in cmdline mode we can reset them now. 3283 */ 3284 msg_scroll = FALSE; /* next message overwrites cmdline */ 3285 3286 /* Typing ':' at the more prompt may set skip_redraw. We don't want this 3287 * in cmdline mode */ 3288 skip_redraw = FALSE; 3289 } 3290 3291 void 3292 compute_cmdrow() 3293 { 3294 if (exmode_active || msg_scrolled != 0) 3295 cmdline_row = Rows - 1; 3296 else 3297 cmdline_row = W_WINROW(lastwin) + lastwin->w_height 3298 + W_STATUS_HEIGHT(lastwin); 3299 } 3300 3301 static void 3302 cursorcmd() 3303 { 3304 if (cmd_silent) 3305 return; 3306 3307 #ifdef FEAT_RIGHTLEFT 3308 if (cmdmsg_rl) 3309 { 3310 msg_row = cmdline_row + (ccline.cmdspos / (int)(Columns - 1)); 3311 msg_col = (int)Columns - (ccline.cmdspos % (int)(Columns - 1)) - 1; 3312 if (msg_row <= 0) 3313 msg_row = Rows - 1; 3314 } 3315 else 3316 #endif 3317 { 3318 msg_row = cmdline_row + (ccline.cmdspos / (int)Columns); 3319 msg_col = ccline.cmdspos % (int)Columns; 3320 if (msg_row >= Rows) 3321 msg_row = Rows - 1; 3322 } 3323 3324 windgoto(msg_row, msg_col); 3325 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) 3326 redrawcmd_preedit(); 3327 #endif 3328 #ifdef MCH_CURSOR_SHAPE 3329 mch_update_cursor(); 3330 #endif 3331 } 3332 3333 void 3334 gotocmdline(clr) 3335 int clr; 3336 { 3337 msg_start(); 3338 #ifdef FEAT_RIGHTLEFT 3339 if (cmdmsg_rl) 3340 msg_col = Columns - 1; 3341 else 3342 #endif 3343 msg_col = 0; /* always start in column 0 */ 3344 if (clr) /* clear the bottom line(s) */ 3345 msg_clr_eos(); /* will reset clear_cmdline */ 3346 windgoto(cmdline_row, 0); 3347 } 3348 3349 /* 3350 * Check the word in front of the cursor for an abbreviation. 3351 * Called when the non-id character "c" has been entered. 3352 * When an abbreviation is recognized it is removed from the text with 3353 * backspaces and the replacement string is inserted, followed by "c". 3354 */ 3355 static int 3356 ccheck_abbr(c) 3357 int c; 3358 { 3359 if (p_paste || no_abbr) /* no abbreviations or in paste mode */ 3360 return FALSE; 3361 3362 return check_abbr(c, ccline.cmdbuff, ccline.cmdpos, 0); 3363 } 3364 3365 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 3366 static int 3367 #ifdef __BORLANDC__ 3368 _RTLENTRYF 3369 #endif 3370 sort_func_compare(s1, s2) 3371 const void *s1; 3372 const void *s2; 3373 { 3374 char_u *p1 = *(char_u **)s1; 3375 char_u *p2 = *(char_u **)s2; 3376 3377 if (*p1 != '<' && *p2 == '<') return -1; 3378 if (*p1 == '<' && *p2 != '<') return 1; 3379 return STRCMP(p1, p2); 3380 } 3381 #endif 3382 3383 /* 3384 * Return FAIL if this is not an appropriate context in which to do 3385 * completion of anything, return OK if it is (even if there are no matches). 3386 * For the caller, this means that the character is just passed through like a 3387 * normal character (instead of being expanded). This allows :s/^I^D etc. 3388 */ 3389 static int 3390 nextwild(xp, type, options, escape) 3391 expand_T *xp; 3392 int type; 3393 int options; /* extra options for ExpandOne() */ 3394 int escape; /* if TRUE, escape the returned matches */ 3395 { 3396 int i, j; 3397 char_u *p1; 3398 char_u *p2; 3399 int difflen; 3400 int v; 3401 3402 if (xp->xp_numfiles == -1) 3403 { 3404 set_expand_context(xp); 3405 cmd_showtail = expand_showtail(xp); 3406 } 3407 3408 if (xp->xp_context == EXPAND_UNSUCCESSFUL) 3409 { 3410 beep_flush(); 3411 return OK; /* Something illegal on command line */ 3412 } 3413 if (xp->xp_context == EXPAND_NOTHING) 3414 { 3415 /* Caller can use the character as a normal char instead */ 3416 return FAIL; 3417 } 3418 3419 MSG_PUTS("..."); /* show that we are busy */ 3420 out_flush(); 3421 3422 i = (int)(xp->xp_pattern - ccline.cmdbuff); 3423 xp->xp_pattern_len = ccline.cmdpos - i; 3424 3425 if (type == WILD_NEXT || type == WILD_PREV) 3426 { 3427 /* 3428 * Get next/previous match for a previous expanded pattern. 3429 */ 3430 p2 = ExpandOne(xp, NULL, NULL, 0, type); 3431 } 3432 else 3433 { 3434 /* 3435 * Translate string into pattern and expand it. 3436 */ 3437 if ((p1 = addstar(xp->xp_pattern, xp->xp_pattern_len, 3438 xp->xp_context)) == NULL) 3439 p2 = NULL; 3440 else 3441 { 3442 int use_options = options | 3443 WILD_HOME_REPLACE|WILD_ADD_SLASH|WILD_SILENT; 3444 if (escape) 3445 use_options |= WILD_ESCAPE; 3446 3447 if (p_wic) 3448 use_options += WILD_ICASE; 3449 p2 = ExpandOne(xp, p1, 3450 vim_strnsave(&ccline.cmdbuff[i], xp->xp_pattern_len), 3451 use_options, type); 3452 vim_free(p1); 3453 /* longest match: make sure it is not shorter, happens with :help */ 3454 if (p2 != NULL && type == WILD_LONGEST) 3455 { 3456 for (j = 0; j < xp->xp_pattern_len; ++j) 3457 if (ccline.cmdbuff[i + j] == '*' 3458 || ccline.cmdbuff[i + j] == '?') 3459 break; 3460 if ((int)STRLEN(p2) < j) 3461 { 3462 vim_free(p2); 3463 p2 = NULL; 3464 } 3465 } 3466 } 3467 } 3468 3469 if (p2 != NULL && !got_int) 3470 { 3471 difflen = (int)STRLEN(p2) - xp->xp_pattern_len; 3472 if (ccline.cmdlen + difflen + 4 > ccline.cmdbufflen) 3473 { 3474 v = realloc_cmdbuff(ccline.cmdlen + difflen + 4); 3475 xp->xp_pattern = ccline.cmdbuff + i; 3476 } 3477 else 3478 v = OK; 3479 if (v == OK) 3480 { 3481 mch_memmove(&ccline.cmdbuff[ccline.cmdpos + difflen], 3482 &ccline.cmdbuff[ccline.cmdpos], 3483 (size_t)(ccline.cmdlen - ccline.cmdpos + 1)); 3484 mch_memmove(&ccline.cmdbuff[i], p2, STRLEN(p2)); 3485 ccline.cmdlen += difflen; 3486 ccline.cmdpos += difflen; 3487 } 3488 } 3489 vim_free(p2); 3490 3491 redrawcmd(); 3492 cursorcmd(); 3493 3494 /* When expanding a ":map" command and no matches are found, assume that 3495 * the key is supposed to be inserted literally */ 3496 if (xp->xp_context == EXPAND_MAPPINGS && p2 == NULL) 3497 return FAIL; 3498 3499 if (xp->xp_numfiles <= 0 && p2 == NULL) 3500 beep_flush(); 3501 else if (xp->xp_numfiles == 1) 3502 /* free expanded pattern */ 3503 (void)ExpandOne(xp, NULL, NULL, 0, WILD_FREE); 3504 3505 return OK; 3506 } 3507 3508 /* 3509 * Do wildcard expansion on the string 'str'. 3510 * Chars that should not be expanded must be preceded with a backslash. 3511 * Return a pointer to allocated memory containing the new string. 3512 * Return NULL for failure. 3513 * 3514 * "orig" is the originally expanded string, copied to allocated memory. It 3515 * should either be kept in orig_save or freed. When "mode" is WILD_NEXT or 3516 * WILD_PREV "orig" should be NULL. 3517 * 3518 * Results are cached in xp->xp_files and xp->xp_numfiles, except when "mode" 3519 * is WILD_EXPAND_FREE or WILD_ALL. 3520 * 3521 * mode = WILD_FREE: just free previously expanded matches 3522 * mode = WILD_EXPAND_FREE: normal expansion, do not keep matches 3523 * mode = WILD_EXPAND_KEEP: normal expansion, keep matches 3524 * mode = WILD_NEXT: use next match in multiple match, wrap to first 3525 * mode = WILD_PREV: use previous match in multiple match, wrap to first 3526 * mode = WILD_ALL: return all matches concatenated 3527 * mode = WILD_LONGEST: return longest matched part 3528 * mode = WILD_ALL_KEEP: get all matches, keep matches 3529 * 3530 * options = WILD_LIST_NOTFOUND: list entries without a match 3531 * options = WILD_HOME_REPLACE: do home_replace() for buffer names 3532 * options = WILD_USE_NL: Use '\n' for WILD_ALL 3533 * options = WILD_NO_BEEP: Don't beep for multiple matches 3534 * options = WILD_ADD_SLASH: add a slash after directory names 3535 * options = WILD_KEEP_ALL: don't remove 'wildignore' entries 3536 * options = WILD_SILENT: don't print warning messages 3537 * options = WILD_ESCAPE: put backslash before special chars 3538 * options = WILD_ICASE: ignore case for files 3539 * 3540 * The variables xp->xp_context and xp->xp_backslash must have been set! 3541 */ 3542 char_u * 3543 ExpandOne(xp, str, orig, options, mode) 3544 expand_T *xp; 3545 char_u *str; 3546 char_u *orig; /* allocated copy of original of expanded string */ 3547 int options; 3548 int mode; 3549 { 3550 char_u *ss = NULL; 3551 static int findex; 3552 static char_u *orig_save = NULL; /* kept value of orig */ 3553 int orig_saved = FALSE; 3554 int i; 3555 long_u len; 3556 int non_suf_match; /* number without matching suffix */ 3557 3558 /* 3559 * first handle the case of using an old match 3560 */ 3561 if (mode == WILD_NEXT || mode == WILD_PREV) 3562 { 3563 if (xp->xp_numfiles > 0) 3564 { 3565 if (mode == WILD_PREV) 3566 { 3567 if (findex == -1) 3568 findex = xp->xp_numfiles; 3569 --findex; 3570 } 3571 else /* mode == WILD_NEXT */ 3572 ++findex; 3573 3574 /* 3575 * When wrapping around, return the original string, set findex to 3576 * -1. 3577 */ 3578 if (findex < 0) 3579 { 3580 if (orig_save == NULL) 3581 findex = xp->xp_numfiles - 1; 3582 else 3583 findex = -1; 3584 } 3585 if (findex >= xp->xp_numfiles) 3586 { 3587 if (orig_save == NULL) 3588 findex = 0; 3589 else 3590 findex = -1; 3591 } 3592 #ifdef FEAT_WILDMENU 3593 if (p_wmnu) 3594 win_redr_status_matches(xp, xp->xp_numfiles, xp->xp_files, 3595 findex, cmd_showtail); 3596 #endif 3597 if (findex == -1) 3598 return vim_strsave(orig_save); 3599 return vim_strsave(xp->xp_files[findex]); 3600 } 3601 else 3602 return NULL; 3603 } 3604 3605 /* free old names */ 3606 if (xp->xp_numfiles != -1 && mode != WILD_ALL && mode != WILD_LONGEST) 3607 { 3608 FreeWild(xp->xp_numfiles, xp->xp_files); 3609 xp->xp_numfiles = -1; 3610 vim_free(orig_save); 3611 orig_save = NULL; 3612 } 3613 findex = 0; 3614 3615 if (mode == WILD_FREE) /* only release file name */ 3616 return NULL; 3617 3618 if (xp->xp_numfiles == -1) 3619 { 3620 vim_free(orig_save); 3621 orig_save = orig; 3622 orig_saved = TRUE; 3623 3624 /* 3625 * Do the expansion. 3626 */ 3627 if (ExpandFromContext(xp, str, &xp->xp_numfiles, &xp->xp_files, 3628 options) == FAIL) 3629 { 3630 #ifdef FNAME_ILLEGAL 3631 /* Illegal file name has been silently skipped. But when there 3632 * are wildcards, the real problem is that there was no match, 3633 * causing the pattern to be added, which has illegal characters. 3634 */ 3635 if (!(options & WILD_SILENT) && (options & WILD_LIST_NOTFOUND)) 3636 EMSG2(_(e_nomatch2), str); 3637 #endif 3638 } 3639 else if (xp->xp_numfiles == 0) 3640 { 3641 if (!(options & WILD_SILENT)) 3642 EMSG2(_(e_nomatch2), str); 3643 } 3644 else 3645 { 3646 /* Escape the matches for use on the command line. */ 3647 ExpandEscape(xp, str, xp->xp_numfiles, xp->xp_files, options); 3648 3649 /* 3650 * Check for matching suffixes in file names. 3651 */ 3652 if (mode != WILD_ALL && mode != WILD_ALL_KEEP 3653 && mode != WILD_LONGEST) 3654 { 3655 if (xp->xp_numfiles) 3656 non_suf_match = xp->xp_numfiles; 3657 else 3658 non_suf_match = 1; 3659 if ((xp->xp_context == EXPAND_FILES 3660 || xp->xp_context == EXPAND_DIRECTORIES) 3661 && xp->xp_numfiles > 1) 3662 { 3663 /* 3664 * More than one match; check suffix. 3665 * The files will have been sorted on matching suffix in 3666 * expand_wildcards, only need to check the first two. 3667 */ 3668 non_suf_match = 0; 3669 for (i = 0; i < 2; ++i) 3670 if (match_suffix(xp->xp_files[i])) 3671 ++non_suf_match; 3672 } 3673 if (non_suf_match != 1) 3674 { 3675 /* Can we ever get here unless it's while expanding 3676 * interactively? If not, we can get rid of this all 3677 * together. Don't really want to wait for this message 3678 * (and possibly have to hit return to continue!). 3679 */ 3680 if (!(options & WILD_SILENT)) 3681 EMSG(_(e_toomany)); 3682 else if (!(options & WILD_NO_BEEP)) 3683 beep_flush(); 3684 } 3685 if (!(non_suf_match != 1 && mode == WILD_EXPAND_FREE)) 3686 ss = vim_strsave(xp->xp_files[0]); 3687 } 3688 } 3689 } 3690 3691 /* Find longest common part */ 3692 if (mode == WILD_LONGEST && xp->xp_numfiles > 0) 3693 { 3694 int mb_len = 1; 3695 int c0, ci; 3696 3697 for (len = 0; xp->xp_files[0][len]; len += mb_len) 3698 { 3699 #ifdef FEAT_MBYTE 3700 if (has_mbyte) 3701 { 3702 mb_len = (*mb_ptr2len)(&xp->xp_files[0][len]); 3703 c0 =(* mb_ptr2char)(&xp->xp_files[0][len]); 3704 } 3705 else 3706 #endif 3707 c0 = xp->xp_files[0][len]; 3708 for (i = 1; i < xp->xp_numfiles; ++i) 3709 { 3710 #ifdef FEAT_MBYTE 3711 if (has_mbyte) 3712 ci =(* mb_ptr2char)(&xp->xp_files[i][len]); 3713 else 3714 #endif 3715 ci = xp->xp_files[i][len]; 3716 if (p_fic && (xp->xp_context == EXPAND_DIRECTORIES 3717 || xp->xp_context == EXPAND_FILES 3718 || xp->xp_context == EXPAND_SHELLCMD 3719 || xp->xp_context == EXPAND_BUFFERS)) 3720 { 3721 if (MB_TOLOWER(c0) != MB_TOLOWER(ci)) 3722 break; 3723 } 3724 else if (c0 != ci) 3725 break; 3726 } 3727 if (i < xp->xp_numfiles) 3728 { 3729 if (!(options & WILD_NO_BEEP)) 3730 vim_beep(BO_WILD); 3731 break; 3732 } 3733 } 3734 3735 ss = alloc((unsigned)len + 1); 3736 if (ss) 3737 vim_strncpy(ss, xp->xp_files[0], (size_t)len); 3738 findex = -1; /* next p_wc gets first one */ 3739 } 3740 3741 /* Concatenate all matching names */ 3742 if (mode == WILD_ALL && xp->xp_numfiles > 0) 3743 { 3744 len = 0; 3745 for (i = 0; i < xp->xp_numfiles; ++i) 3746 len += (long_u)STRLEN(xp->xp_files[i]) + 1; 3747 ss = lalloc(len, TRUE); 3748 if (ss != NULL) 3749 { 3750 *ss = NUL; 3751 for (i = 0; i < xp->xp_numfiles; ++i) 3752 { 3753 STRCAT(ss, xp->xp_files[i]); 3754 if (i != xp->xp_numfiles - 1) 3755 STRCAT(ss, (options & WILD_USE_NL) ? "\n" : " "); 3756 } 3757 } 3758 } 3759 3760 if (mode == WILD_EXPAND_FREE || mode == WILD_ALL) 3761 ExpandCleanup(xp); 3762 3763 /* Free "orig" if it wasn't stored in "orig_save". */ 3764 if (!orig_saved) 3765 vim_free(orig); 3766 3767 return ss; 3768 } 3769 3770 /* 3771 * Prepare an expand structure for use. 3772 */ 3773 void 3774 ExpandInit(xp) 3775 expand_T *xp; 3776 { 3777 xp->xp_pattern = NULL; 3778 xp->xp_pattern_len = 0; 3779 xp->xp_backslash = XP_BS_NONE; 3780 #ifndef BACKSLASH_IN_FILENAME 3781 xp->xp_shell = FALSE; 3782 #endif 3783 xp->xp_numfiles = -1; 3784 xp->xp_files = NULL; 3785 #if defined(FEAT_USR_CMDS) && defined(FEAT_EVAL) && defined(FEAT_CMDL_COMPL) 3786 xp->xp_arg = NULL; 3787 #endif 3788 xp->xp_line = NULL; 3789 } 3790 3791 /* 3792 * Cleanup an expand structure after use. 3793 */ 3794 void 3795 ExpandCleanup(xp) 3796 expand_T *xp; 3797 { 3798 if (xp->xp_numfiles >= 0) 3799 { 3800 FreeWild(xp->xp_numfiles, xp->xp_files); 3801 xp->xp_numfiles = -1; 3802 } 3803 } 3804 3805 void 3806 ExpandEscape(xp, str, numfiles, files, options) 3807 expand_T *xp; 3808 char_u *str; 3809 int numfiles; 3810 char_u **files; 3811 int options; 3812 { 3813 int i; 3814 char_u *p; 3815 3816 /* 3817 * May change home directory back to "~" 3818 */ 3819 if (options & WILD_HOME_REPLACE) 3820 tilde_replace(str, numfiles, files); 3821 3822 if (options & WILD_ESCAPE) 3823 { 3824 if (xp->xp_context == EXPAND_FILES 3825 || xp->xp_context == EXPAND_FILES_IN_PATH 3826 || xp->xp_context == EXPAND_SHELLCMD 3827 || xp->xp_context == EXPAND_BUFFERS 3828 || xp->xp_context == EXPAND_DIRECTORIES) 3829 { 3830 /* 3831 * Insert a backslash into a file name before a space, \, %, # 3832 * and wildmatch characters, except '~'. 3833 */ 3834 for (i = 0; i < numfiles; ++i) 3835 { 3836 /* for ":set path=" we need to escape spaces twice */ 3837 if (xp->xp_backslash == XP_BS_THREE) 3838 { 3839 p = vim_strsave_escaped(files[i], (char_u *)" "); 3840 if (p != NULL) 3841 { 3842 vim_free(files[i]); 3843 files[i] = p; 3844 #if defined(BACKSLASH_IN_FILENAME) 3845 p = vim_strsave_escaped(files[i], (char_u *)" "); 3846 if (p != NULL) 3847 { 3848 vim_free(files[i]); 3849 files[i] = p; 3850 } 3851 #endif 3852 } 3853 } 3854 #ifdef BACKSLASH_IN_FILENAME 3855 p = vim_strsave_fnameescape(files[i], FALSE); 3856 #else 3857 p = vim_strsave_fnameescape(files[i], xp->xp_shell); 3858 #endif 3859 if (p != NULL) 3860 { 3861 vim_free(files[i]); 3862 files[i] = p; 3863 } 3864 3865 /* If 'str' starts with "\~", replace "~" at start of 3866 * files[i] with "\~". */ 3867 if (str[0] == '\\' && str[1] == '~' && files[i][0] == '~') 3868 escape_fname(&files[i]); 3869 } 3870 xp->xp_backslash = XP_BS_NONE; 3871 3872 /* If the first file starts with a '+' escape it. Otherwise it 3873 * could be seen as "+cmd". */ 3874 if (*files[0] == '+') 3875 escape_fname(&files[0]); 3876 } 3877 else if (xp->xp_context == EXPAND_TAGS) 3878 { 3879 /* 3880 * Insert a backslash before characters in a tag name that 3881 * would terminate the ":tag" command. 3882 */ 3883 for (i = 0; i < numfiles; ++i) 3884 { 3885 p = vim_strsave_escaped(files[i], (char_u *)"\\|\""); 3886 if (p != NULL) 3887 { 3888 vim_free(files[i]); 3889 files[i] = p; 3890 } 3891 } 3892 } 3893 } 3894 } 3895 3896 /* 3897 * Escape special characters in "fname" for when used as a file name argument 3898 * after a Vim command, or, when "shell" is non-zero, a shell command. 3899 * Returns the result in allocated memory. 3900 */ 3901 char_u * 3902 vim_strsave_fnameescape(fname, shell) 3903 char_u *fname; 3904 int shell; 3905 { 3906 char_u *p; 3907 #ifdef BACKSLASH_IN_FILENAME 3908 char_u buf[20]; 3909 int j = 0; 3910 3911 /* Don't escape '[', '{' and '!' if they are in 'isfname'. */ 3912 for (p = PATH_ESC_CHARS; *p != NUL; ++p) 3913 if ((*p != '[' && *p != '{' && *p != '!') || !vim_isfilec(*p)) 3914 buf[j++] = *p; 3915 buf[j] = NUL; 3916 p = vim_strsave_escaped(fname, buf); 3917 #else 3918 p = vim_strsave_escaped(fname, shell ? SHELL_ESC_CHARS : PATH_ESC_CHARS); 3919 if (shell && csh_like_shell() && p != NULL) 3920 { 3921 char_u *s; 3922 3923 /* For csh and similar shells need to put two backslashes before '!'. 3924 * One is taken by Vim, one by the shell. */ 3925 s = vim_strsave_escaped(p, (char_u *)"!"); 3926 vim_free(p); 3927 p = s; 3928 } 3929 #endif 3930 3931 /* '>' and '+' are special at the start of some commands, e.g. ":edit" and 3932 * ":write". "cd -" has a special meaning. */ 3933 if (p != NULL && (*p == '>' || *p == '+' || (*p == '-' && p[1] == NUL))) 3934 escape_fname(&p); 3935 3936 return p; 3937 } 3938 3939 /* 3940 * Put a backslash before the file name in "pp", which is in allocated memory. 3941 */ 3942 static void 3943 escape_fname(pp) 3944 char_u **pp; 3945 { 3946 char_u *p; 3947 3948 p = alloc((unsigned)(STRLEN(*pp) + 2)); 3949 if (p != NULL) 3950 { 3951 p[0] = '\\'; 3952 STRCPY(p + 1, *pp); 3953 vim_free(*pp); 3954 *pp = p; 3955 } 3956 } 3957 3958 /* 3959 * For each file name in files[num_files]: 3960 * If 'orig_pat' starts with "~/", replace the home directory with "~". 3961 */ 3962 void 3963 tilde_replace(orig_pat, num_files, files) 3964 char_u *orig_pat; 3965 int num_files; 3966 char_u **files; 3967 { 3968 int i; 3969 char_u *p; 3970 3971 if (orig_pat[0] == '~' && vim_ispathsep(orig_pat[1])) 3972 { 3973 for (i = 0; i < num_files; ++i) 3974 { 3975 p = home_replace_save(NULL, files[i]); 3976 if (p != NULL) 3977 { 3978 vim_free(files[i]); 3979 files[i] = p; 3980 } 3981 } 3982 } 3983 } 3984 3985 /* 3986 * Show all matches for completion on the command line. 3987 * Returns EXPAND_NOTHING when the character that triggered expansion should 3988 * be inserted like a normal character. 3989 */ 3990 static int 3991 showmatches(xp, wildmenu) 3992 expand_T *xp; 3993 int wildmenu UNUSED; 3994 { 3995 #define L_SHOWFILE(m) (showtail ? sm_gettail(files_found[m]) : files_found[m]) 3996 int num_files; 3997 char_u **files_found; 3998 int i, j, k; 3999 int maxlen; 4000 int lines; 4001 int columns; 4002 char_u *p; 4003 int lastlen; 4004 int attr; 4005 int showtail; 4006 4007 if (xp->xp_numfiles == -1) 4008 { 4009 set_expand_context(xp); 4010 i = expand_cmdline(xp, ccline.cmdbuff, ccline.cmdpos, 4011 &num_files, &files_found); 4012 showtail = expand_showtail(xp); 4013 if (i != EXPAND_OK) 4014 return i; 4015 4016 } 4017 else 4018 { 4019 num_files = xp->xp_numfiles; 4020 files_found = xp->xp_files; 4021 showtail = cmd_showtail; 4022 } 4023 4024 #ifdef FEAT_WILDMENU 4025 if (!wildmenu) 4026 { 4027 #endif 4028 msg_didany = FALSE; /* lines_left will be set */ 4029 msg_start(); /* prepare for paging */ 4030 msg_putchar('\n'); 4031 out_flush(); 4032 cmdline_row = msg_row; 4033 msg_didany = FALSE; /* lines_left will be set again */ 4034 msg_start(); /* prepare for paging */ 4035 #ifdef FEAT_WILDMENU 4036 } 4037 #endif 4038 4039 if (got_int) 4040 got_int = FALSE; /* only int. the completion, not the cmd line */ 4041 #ifdef FEAT_WILDMENU 4042 else if (wildmenu) 4043 win_redr_status_matches(xp, num_files, files_found, 0, showtail); 4044 #endif 4045 else 4046 { 4047 /* find the length of the longest file name */ 4048 maxlen = 0; 4049 for (i = 0; i < num_files; ++i) 4050 { 4051 if (!showtail && (xp->xp_context == EXPAND_FILES 4052 || xp->xp_context == EXPAND_SHELLCMD 4053 || xp->xp_context == EXPAND_BUFFERS)) 4054 { 4055 home_replace(NULL, files_found[i], NameBuff, MAXPATHL, TRUE); 4056 j = vim_strsize(NameBuff); 4057 } 4058 else 4059 j = vim_strsize(L_SHOWFILE(i)); 4060 if (j > maxlen) 4061 maxlen = j; 4062 } 4063 4064 if (xp->xp_context == EXPAND_TAGS_LISTFILES) 4065 lines = num_files; 4066 else 4067 { 4068 /* compute the number of columns and lines for the listing */ 4069 maxlen += 2; /* two spaces between file names */ 4070 columns = ((int)Columns + 2) / maxlen; 4071 if (columns < 1) 4072 columns = 1; 4073 lines = (num_files + columns - 1) / columns; 4074 } 4075 4076 attr = hl_attr(HLF_D); /* find out highlighting for directories */ 4077 4078 if (xp->xp_context == EXPAND_TAGS_LISTFILES) 4079 { 4080 MSG_PUTS_ATTR(_("tagname"), hl_attr(HLF_T)); 4081 msg_clr_eos(); 4082 msg_advance(maxlen - 3); 4083 MSG_PUTS_ATTR(_(" kind file\n"), hl_attr(HLF_T)); 4084 } 4085 4086 /* list the files line by line */ 4087 for (i = 0; i < lines; ++i) 4088 { 4089 lastlen = 999; 4090 for (k = i; k < num_files; k += lines) 4091 { 4092 if (xp->xp_context == EXPAND_TAGS_LISTFILES) 4093 { 4094 msg_outtrans_attr(files_found[k], hl_attr(HLF_D)); 4095 p = files_found[k] + STRLEN(files_found[k]) + 1; 4096 msg_advance(maxlen + 1); 4097 msg_puts(p); 4098 msg_advance(maxlen + 3); 4099 msg_puts_long_attr(p + 2, hl_attr(HLF_D)); 4100 break; 4101 } 4102 for (j = maxlen - lastlen; --j >= 0; ) 4103 msg_putchar(' '); 4104 if (xp->xp_context == EXPAND_FILES 4105 || xp->xp_context == EXPAND_SHELLCMD 4106 || xp->xp_context == EXPAND_BUFFERS) 4107 { 4108 /* highlight directories */ 4109 if (xp->xp_numfiles != -1) 4110 { 4111 char_u *halved_slash; 4112 char_u *exp_path; 4113 4114 /* Expansion was done before and special characters 4115 * were escaped, need to halve backslashes. Also 4116 * $HOME has been replaced with ~/. */ 4117 exp_path = expand_env_save_opt(files_found[k], TRUE); 4118 halved_slash = backslash_halve_save( 4119 exp_path != NULL ? exp_path : files_found[k]); 4120 j = mch_isdir(halved_slash != NULL ? halved_slash 4121 : files_found[k]); 4122 vim_free(exp_path); 4123 vim_free(halved_slash); 4124 } 4125 else 4126 /* Expansion was done here, file names are literal. */ 4127 j = mch_isdir(files_found[k]); 4128 if (showtail) 4129 p = L_SHOWFILE(k); 4130 else 4131 { 4132 home_replace(NULL, files_found[k], NameBuff, MAXPATHL, 4133 TRUE); 4134 p = NameBuff; 4135 } 4136 } 4137 else 4138 { 4139 j = FALSE; 4140 p = L_SHOWFILE(k); 4141 } 4142 lastlen = msg_outtrans_attr(p, j ? attr : 0); 4143 } 4144 if (msg_col > 0) /* when not wrapped around */ 4145 { 4146 msg_clr_eos(); 4147 msg_putchar('\n'); 4148 } 4149 out_flush(); /* show one line at a time */ 4150 if (got_int) 4151 { 4152 got_int = FALSE; 4153 break; 4154 } 4155 } 4156 4157 /* 4158 * we redraw the command below the lines that we have just listed 4159 * This is a bit tricky, but it saves a lot of screen updating. 4160 */ 4161 cmdline_row = msg_row; /* will put it back later */ 4162 } 4163 4164 if (xp->xp_numfiles == -1) 4165 FreeWild(num_files, files_found); 4166 4167 return EXPAND_OK; 4168 } 4169 4170 /* 4171 * Private gettail for showmatches() (and win_redr_status_matches()): 4172 * Find tail of file name path, but ignore trailing "/". 4173 */ 4174 char_u * 4175 sm_gettail(s) 4176 char_u *s; 4177 { 4178 char_u *p; 4179 char_u *t = s; 4180 int had_sep = FALSE; 4181 4182 for (p = s; *p != NUL; ) 4183 { 4184 if (vim_ispathsep(*p) 4185 #ifdef BACKSLASH_IN_FILENAME 4186 && !rem_backslash(p) 4187 #endif 4188 ) 4189 had_sep = TRUE; 4190 else if (had_sep) 4191 { 4192 t = p; 4193 had_sep = FALSE; 4194 } 4195 mb_ptr_adv(p); 4196 } 4197 return t; 4198 } 4199 4200 /* 4201 * Return TRUE if we only need to show the tail of completion matches. 4202 * When not completing file names or there is a wildcard in the path FALSE is 4203 * returned. 4204 */ 4205 static int 4206 expand_showtail(xp) 4207 expand_T *xp; 4208 { 4209 char_u *s; 4210 char_u *end; 4211 4212 /* When not completing file names a "/" may mean something different. */ 4213 if (xp->xp_context != EXPAND_FILES 4214 && xp->xp_context != EXPAND_SHELLCMD 4215 && xp->xp_context != EXPAND_DIRECTORIES) 4216 return FALSE; 4217 4218 end = gettail(xp->xp_pattern); 4219 if (end == xp->xp_pattern) /* there is no path separator */ 4220 return FALSE; 4221 4222 for (s = xp->xp_pattern; s < end; s++) 4223 { 4224 /* Skip escaped wildcards. Only when the backslash is not a path 4225 * separator, on DOS the '*' "path\*\file" must not be skipped. */ 4226 if (rem_backslash(s)) 4227 ++s; 4228 else if (vim_strchr((char_u *)"*?[", *s) != NULL) 4229 return FALSE; 4230 } 4231 return TRUE; 4232 } 4233 4234 /* 4235 * Prepare a string for expansion. 4236 * When expanding file names: The string will be used with expand_wildcards(). 4237 * Copy "fname[len]" into allocated memory and add a '*' at the end. 4238 * When expanding other names: The string will be used with regcomp(). Copy 4239 * the name into allocated memory and prepend "^". 4240 */ 4241 char_u * 4242 addstar(fname, len, context) 4243 char_u *fname; 4244 int len; 4245 int context; /* EXPAND_FILES etc. */ 4246 { 4247 char_u *retval; 4248 int i, j; 4249 int new_len; 4250 char_u *tail; 4251 int ends_in_star; 4252 4253 if (context != EXPAND_FILES 4254 && context != EXPAND_FILES_IN_PATH 4255 && context != EXPAND_SHELLCMD 4256 && context != EXPAND_DIRECTORIES) 4257 { 4258 /* 4259 * Matching will be done internally (on something other than files). 4260 * So we convert the file-matching-type wildcards into our kind for 4261 * use with vim_regcomp(). First work out how long it will be: 4262 */ 4263 4264 /* For help tags the translation is done in find_help_tags(). 4265 * For a tag pattern starting with "/" no translation is needed. */ 4266 if (context == EXPAND_HELP 4267 || context == EXPAND_COLORS 4268 || context == EXPAND_COMPILER 4269 || context == EXPAND_OWNSYNTAX 4270 || context == EXPAND_FILETYPE 4271 || (context == EXPAND_TAGS && fname[0] == '/')) 4272 retval = vim_strnsave(fname, len); 4273 else 4274 { 4275 new_len = len + 2; /* +2 for '^' at start, NUL at end */ 4276 for (i = 0; i < len; i++) 4277 { 4278 if (fname[i] == '*' || fname[i] == '~') 4279 new_len++; /* '*' needs to be replaced by ".*" 4280 '~' needs to be replaced by "\~" */ 4281 4282 /* Buffer names are like file names. "." should be literal */ 4283 if (context == EXPAND_BUFFERS && fname[i] == '.') 4284 new_len++; /* "." becomes "\." */ 4285 4286 /* Custom expansion takes care of special things, match 4287 * backslashes literally (perhaps also for other types?) */ 4288 if ((context == EXPAND_USER_DEFINED 4289 || context == EXPAND_USER_LIST) && fname[i] == '\\') 4290 new_len++; /* '\' becomes "\\" */ 4291 } 4292 retval = alloc(new_len); 4293 if (retval != NULL) 4294 { 4295 retval[0] = '^'; 4296 j = 1; 4297 for (i = 0; i < len; i++, j++) 4298 { 4299 /* Skip backslash. But why? At least keep it for custom 4300 * expansion. */ 4301 if (context != EXPAND_USER_DEFINED 4302 && context != EXPAND_USER_LIST 4303 && fname[i] == '\\' 4304 && ++i == len) 4305 break; 4306 4307 switch (fname[i]) 4308 { 4309 case '*': retval[j++] = '.'; 4310 break; 4311 case '~': retval[j++] = '\\'; 4312 break; 4313 case '?': retval[j] = '.'; 4314 continue; 4315 case '.': if (context == EXPAND_BUFFERS) 4316 retval[j++] = '\\'; 4317 break; 4318 case '\\': if (context == EXPAND_USER_DEFINED 4319 || context == EXPAND_USER_LIST) 4320 retval[j++] = '\\'; 4321 break; 4322 } 4323 retval[j] = fname[i]; 4324 } 4325 retval[j] = NUL; 4326 } 4327 } 4328 } 4329 else 4330 { 4331 retval = alloc(len + 4); 4332 if (retval != NULL) 4333 { 4334 vim_strncpy(retval, fname, len); 4335 4336 /* 4337 * Don't add a star to *, ~, ~user, $var or `cmd`. 4338 * * would become **, which walks the whole tree. 4339 * ~ would be at the start of the file name, but not the tail. 4340 * $ could be anywhere in the tail. 4341 * ` could be anywhere in the file name. 4342 * When the name ends in '$' don't add a star, remove the '$'. 4343 */ 4344 tail = gettail(retval); 4345 ends_in_star = (len > 0 && retval[len - 1] == '*'); 4346 #ifndef BACKSLASH_IN_FILENAME 4347 for (i = len - 2; i >= 0; --i) 4348 { 4349 if (retval[i] != '\\') 4350 break; 4351 ends_in_star = !ends_in_star; 4352 } 4353 #endif 4354 if ((*retval != '~' || tail != retval) 4355 && !ends_in_star 4356 && vim_strchr(tail, '$') == NULL 4357 && vim_strchr(retval, '`') == NULL) 4358 retval[len++] = '*'; 4359 else if (len > 0 && retval[len - 1] == '$') 4360 --len; 4361 retval[len] = NUL; 4362 } 4363 } 4364 return retval; 4365 } 4366 4367 /* 4368 * Must parse the command line so far to work out what context we are in. 4369 * Completion can then be done based on that context. 4370 * This routine sets the variables: 4371 * xp->xp_pattern The start of the pattern to be expanded within 4372 * the command line (ends at the cursor). 4373 * xp->xp_context The type of thing to expand. Will be one of: 4374 * 4375 * EXPAND_UNSUCCESSFUL Used sometimes when there is something illegal on 4376 * the command line, like an unknown command. Caller 4377 * should beep. 4378 * EXPAND_NOTHING Unrecognised context for completion, use char like 4379 * a normal char, rather than for completion. eg 4380 * :s/^I/ 4381 * EXPAND_COMMANDS Cursor is still touching the command, so complete 4382 * it. 4383 * EXPAND_BUFFERS Complete file names for :buf and :sbuf commands. 4384 * EXPAND_FILES After command with XFILE set, or after setting 4385 * with P_EXPAND set. eg :e ^I, :w>>^I 4386 * EXPAND_DIRECTORIES In some cases this is used instead of the latter 4387 * when we know only directories are of interest. eg 4388 * :set dir=^I 4389 * EXPAND_SHELLCMD After ":!cmd", ":r !cmd" or ":w !cmd". 4390 * EXPAND_SETTINGS Complete variable names. eg :set d^I 4391 * EXPAND_BOOL_SETTINGS Complete boolean variables only, eg :set no^I 4392 * EXPAND_TAGS Complete tags from the files in p_tags. eg :ta a^I 4393 * EXPAND_TAGS_LISTFILES As above, but list filenames on ^D, after :tselect 4394 * EXPAND_HELP Complete tags from the file 'helpfile'/tags 4395 * EXPAND_EVENTS Complete event names 4396 * EXPAND_SYNTAX Complete :syntax command arguments 4397 * EXPAND_HIGHLIGHT Complete highlight (syntax) group names 4398 * EXPAND_AUGROUP Complete autocommand group names 4399 * EXPAND_USER_VARS Complete user defined variable names, eg :unlet a^I 4400 * EXPAND_MAPPINGS Complete mapping and abbreviation names, 4401 * eg :unmap a^I , :cunab x^I 4402 * EXPAND_FUNCTIONS Complete internal or user defined function names, 4403 * eg :call sub^I 4404 * EXPAND_USER_FUNC Complete user defined function names, eg :delf F^I 4405 * EXPAND_EXPRESSION Complete internal or user defined function/variable 4406 * names in expressions, eg :while s^I 4407 * EXPAND_ENV_VARS Complete environment variable names 4408 * EXPAND_USER Complete user names 4409 */ 4410 static void 4411 set_expand_context(xp) 4412 expand_T *xp; 4413 { 4414 /* only expansion for ':', '>' and '=' command-lines */ 4415 if (ccline.cmdfirstc != ':' 4416 #ifdef FEAT_EVAL 4417 && ccline.cmdfirstc != '>' && ccline.cmdfirstc != '=' 4418 && !ccline.input_fn 4419 #endif 4420 ) 4421 { 4422 xp->xp_context = EXPAND_NOTHING; 4423 return; 4424 } 4425 set_cmd_context(xp, ccline.cmdbuff, ccline.cmdlen, ccline.cmdpos); 4426 } 4427 4428 void 4429 set_cmd_context(xp, str, len, col) 4430 expand_T *xp; 4431 char_u *str; /* start of command line */ 4432 int len; /* length of command line (excl. NUL) */ 4433 int col; /* position of cursor */ 4434 { 4435 int old_char = NUL; 4436 char_u *nextcomm; 4437 4438 /* 4439 * Avoid a UMR warning from Purify, only save the character if it has been 4440 * written before. 4441 */ 4442 if (col < len) 4443 old_char = str[col]; 4444 str[col] = NUL; 4445 nextcomm = str; 4446 4447 #ifdef FEAT_EVAL 4448 if (ccline.cmdfirstc == '=') 4449 { 4450 # ifdef FEAT_CMDL_COMPL 4451 /* pass CMD_SIZE because there is no real command */ 4452 set_context_for_expression(xp, str, CMD_SIZE); 4453 # endif 4454 } 4455 else if (ccline.input_fn) 4456 { 4457 xp->xp_context = ccline.xp_context; 4458 xp->xp_pattern = ccline.cmdbuff; 4459 # if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL) 4460 xp->xp_arg = ccline.xp_arg; 4461 # endif 4462 } 4463 else 4464 #endif 4465 while (nextcomm != NULL) 4466 nextcomm = set_one_cmd_context(xp, nextcomm); 4467 4468 /* Store the string here so that call_user_expand_func() can get to them 4469 * easily. */ 4470 xp->xp_line = str; 4471 xp->xp_col = col; 4472 4473 str[col] = old_char; 4474 } 4475 4476 /* 4477 * Expand the command line "str" from context "xp". 4478 * "xp" must have been set by set_cmd_context(). 4479 * xp->xp_pattern points into "str", to where the text that is to be expanded 4480 * starts. 4481 * Returns EXPAND_UNSUCCESSFUL when there is something illegal before the 4482 * cursor. 4483 * Returns EXPAND_NOTHING when there is nothing to expand, might insert the 4484 * key that triggered expansion literally. 4485 * Returns EXPAND_OK otherwise. 4486 */ 4487 int 4488 expand_cmdline(xp, str, col, matchcount, matches) 4489 expand_T *xp; 4490 char_u *str; /* start of command line */ 4491 int col; /* position of cursor */ 4492 int *matchcount; /* return: nr of matches */ 4493 char_u ***matches; /* return: array of pointers to matches */ 4494 { 4495 char_u *file_str = NULL; 4496 int options = WILD_ADD_SLASH|WILD_SILENT; 4497 4498 if (xp->xp_context == EXPAND_UNSUCCESSFUL) 4499 { 4500 beep_flush(); 4501 return EXPAND_UNSUCCESSFUL; /* Something illegal on command line */ 4502 } 4503 if (xp->xp_context == EXPAND_NOTHING) 4504 { 4505 /* Caller can use the character as a normal char instead */ 4506 return EXPAND_NOTHING; 4507 } 4508 4509 /* add star to file name, or convert to regexp if not exp. files. */ 4510 xp->xp_pattern_len = (int)(str + col - xp->xp_pattern); 4511 file_str = addstar(xp->xp_pattern, xp->xp_pattern_len, xp->xp_context); 4512 if (file_str == NULL) 4513 return EXPAND_UNSUCCESSFUL; 4514 4515 if (p_wic) 4516 options += WILD_ICASE; 4517 4518 /* find all files that match the description */ 4519 if (ExpandFromContext(xp, file_str, matchcount, matches, options) == FAIL) 4520 { 4521 *matchcount = 0; 4522 *matches = NULL; 4523 } 4524 vim_free(file_str); 4525 4526 return EXPAND_OK; 4527 } 4528 4529 #ifdef FEAT_MULTI_LANG 4530 /* 4531 * Cleanup matches for help tags: remove "@en" if "en" is the only language. 4532 */ 4533 static void cleanup_help_tags __ARGS((int num_file, char_u **file)); 4534 4535 static void 4536 cleanup_help_tags(num_file, file) 4537 int num_file; 4538 char_u **file; 4539 { 4540 int i, j; 4541 int len; 4542 4543 for (i = 0; i < num_file; ++i) 4544 { 4545 len = (int)STRLEN(file[i]) - 3; 4546 if (len > 0 && STRCMP(file[i] + len, "@en") == 0) 4547 { 4548 /* Sorting on priority means the same item in another language may 4549 * be anywhere. Search all items for a match up to the "@en". */ 4550 for (j = 0; j < num_file; ++j) 4551 if (j != i 4552 && (int)STRLEN(file[j]) == len + 3 4553 && STRNCMP(file[i], file[j], len + 1) == 0) 4554 break; 4555 if (j == num_file) 4556 file[i][len] = NUL; 4557 } 4558 } 4559 } 4560 #endif 4561 4562 /* 4563 * Do the expansion based on xp->xp_context and "pat". 4564 */ 4565 static int 4566 ExpandFromContext(xp, pat, num_file, file, options) 4567 expand_T *xp; 4568 char_u *pat; 4569 int *num_file; 4570 char_u ***file; 4571 int options; /* EW_ flags */ 4572 { 4573 #ifdef FEAT_CMDL_COMPL 4574 regmatch_T regmatch; 4575 #endif 4576 int ret; 4577 int flags; 4578 4579 flags = EW_DIR; /* include directories */ 4580 if (options & WILD_LIST_NOTFOUND) 4581 flags |= EW_NOTFOUND; 4582 if (options & WILD_ADD_SLASH) 4583 flags |= EW_ADDSLASH; 4584 if (options & WILD_KEEP_ALL) 4585 flags |= EW_KEEPALL; 4586 if (options & WILD_SILENT) 4587 flags |= EW_SILENT; 4588 if (options & WILD_ALLLINKS) 4589 flags |= EW_ALLLINKS; 4590 4591 if (xp->xp_context == EXPAND_FILES 4592 || xp->xp_context == EXPAND_DIRECTORIES 4593 || xp->xp_context == EXPAND_FILES_IN_PATH) 4594 { 4595 /* 4596 * Expand file or directory names. 4597 */ 4598 int free_pat = FALSE; 4599 int i; 4600 4601 /* for ":set path=" and ":set tags=" halve backslashes for escaped 4602 * space */ 4603 if (xp->xp_backslash != XP_BS_NONE) 4604 { 4605 free_pat = TRUE; 4606 pat = vim_strsave(pat); 4607 for (i = 0; pat[i]; ++i) 4608 if (pat[i] == '\\') 4609 { 4610 if (xp->xp_backslash == XP_BS_THREE 4611 && pat[i + 1] == '\\' 4612 && pat[i + 2] == '\\' 4613 && pat[i + 3] == ' ') 4614 STRMOVE(pat + i, pat + i + 3); 4615 if (xp->xp_backslash == XP_BS_ONE 4616 && pat[i + 1] == ' ') 4617 STRMOVE(pat + i, pat + i + 1); 4618 } 4619 } 4620 4621 if (xp->xp_context == EXPAND_FILES) 4622 flags |= EW_FILE; 4623 else if (xp->xp_context == EXPAND_FILES_IN_PATH) 4624 flags |= (EW_FILE | EW_PATH); 4625 else 4626 flags = (flags | EW_DIR) & ~EW_FILE; 4627 if (options & WILD_ICASE) 4628 flags |= EW_ICASE; 4629 4630 /* Expand wildcards, supporting %:h and the like. */ 4631 ret = expand_wildcards_eval(&pat, num_file, file, flags); 4632 if (free_pat) 4633 vim_free(pat); 4634 return ret; 4635 } 4636 4637 *file = (char_u **)""; 4638 *num_file = 0; 4639 if (xp->xp_context == EXPAND_HELP) 4640 { 4641 /* With an empty argument we would get all the help tags, which is 4642 * very slow. Get matches for "help" instead. */ 4643 if (find_help_tags(*pat == NUL ? (char_u *)"help" : pat, 4644 num_file, file, FALSE) == OK) 4645 { 4646 #ifdef FEAT_MULTI_LANG 4647 cleanup_help_tags(*num_file, *file); 4648 #endif 4649 return OK; 4650 } 4651 return FAIL; 4652 } 4653 4654 #ifndef FEAT_CMDL_COMPL 4655 return FAIL; 4656 #else 4657 if (xp->xp_context == EXPAND_SHELLCMD) 4658 return expand_shellcmd(pat, num_file, file, flags); 4659 if (xp->xp_context == EXPAND_OLD_SETTING) 4660 return ExpandOldSetting(num_file, file); 4661 if (xp->xp_context == EXPAND_BUFFERS) 4662 return ExpandBufnames(pat, num_file, file, options); 4663 if (xp->xp_context == EXPAND_TAGS 4664 || xp->xp_context == EXPAND_TAGS_LISTFILES) 4665 return expand_tags(xp->xp_context == EXPAND_TAGS, pat, num_file, file); 4666 if (xp->xp_context == EXPAND_COLORS) 4667 { 4668 char *directories[] = {"colors", NULL}; 4669 return ExpandRTDir(pat, num_file, file, directories); 4670 } 4671 if (xp->xp_context == EXPAND_COMPILER) 4672 { 4673 char *directories[] = {"compiler", NULL}; 4674 return ExpandRTDir(pat, num_file, file, directories); 4675 } 4676 if (xp->xp_context == EXPAND_OWNSYNTAX) 4677 { 4678 char *directories[] = {"syntax", NULL}; 4679 return ExpandRTDir(pat, num_file, file, directories); 4680 } 4681 if (xp->xp_context == EXPAND_FILETYPE) 4682 { 4683 char *directories[] = {"syntax", "indent", "ftplugin", NULL}; 4684 return ExpandRTDir(pat, num_file, file, directories); 4685 } 4686 # if defined(FEAT_USR_CMDS) && defined(FEAT_EVAL) 4687 if (xp->xp_context == EXPAND_USER_LIST) 4688 return ExpandUserList(xp, num_file, file); 4689 # endif 4690 4691 regmatch.regprog = vim_regcomp(pat, p_magic ? RE_MAGIC : 0); 4692 if (regmatch.regprog == NULL) 4693 return FAIL; 4694 4695 /* set ignore-case according to p_ic, p_scs and pat */ 4696 regmatch.rm_ic = ignorecase(pat); 4697 4698 if (xp->xp_context == EXPAND_SETTINGS 4699 || xp->xp_context == EXPAND_BOOL_SETTINGS) 4700 ret = ExpandSettings(xp, ®match, num_file, file); 4701 else if (xp->xp_context == EXPAND_MAPPINGS) 4702 ret = ExpandMappings(®match, num_file, file); 4703 # if defined(FEAT_USR_CMDS) && defined(FEAT_EVAL) 4704 else if (xp->xp_context == EXPAND_USER_DEFINED) 4705 ret = ExpandUserDefined(xp, ®match, num_file, file); 4706 # endif 4707 else 4708 { 4709 static struct expgen 4710 { 4711 int context; 4712 char_u *((*func)__ARGS((expand_T *, int))); 4713 int ic; 4714 int escaped; 4715 } tab[] = 4716 { 4717 {EXPAND_COMMANDS, get_command_name, FALSE, TRUE}, 4718 {EXPAND_BEHAVE, get_behave_arg, TRUE, TRUE}, 4719 #ifdef FEAT_CMDHIST 4720 {EXPAND_HISTORY, get_history_arg, TRUE, TRUE}, 4721 #endif 4722 #ifdef FEAT_USR_CMDS 4723 {EXPAND_USER_COMMANDS, get_user_commands, FALSE, TRUE}, 4724 {EXPAND_USER_ADDR_TYPE, get_user_cmd_addr_type, FALSE, TRUE}, 4725 {EXPAND_USER_CMD_FLAGS, get_user_cmd_flags, FALSE, TRUE}, 4726 {EXPAND_USER_NARGS, get_user_cmd_nargs, FALSE, TRUE}, 4727 {EXPAND_USER_COMPLETE, get_user_cmd_complete, FALSE, TRUE}, 4728 #endif 4729 #ifdef FEAT_EVAL 4730 {EXPAND_USER_VARS, get_user_var_name, FALSE, TRUE}, 4731 {EXPAND_FUNCTIONS, get_function_name, FALSE, TRUE}, 4732 {EXPAND_USER_FUNC, get_user_func_name, FALSE, TRUE}, 4733 {EXPAND_EXPRESSION, get_expr_name, FALSE, TRUE}, 4734 #endif 4735 #ifdef FEAT_MENU 4736 {EXPAND_MENUS, get_menu_name, FALSE, TRUE}, 4737 {EXPAND_MENUNAMES, get_menu_names, FALSE, TRUE}, 4738 #endif 4739 #ifdef FEAT_SYN_HL 4740 {EXPAND_SYNTAX, get_syntax_name, TRUE, TRUE}, 4741 #endif 4742 #ifdef FEAT_PROFILE 4743 {EXPAND_SYNTIME, get_syntime_arg, TRUE, TRUE}, 4744 #endif 4745 {EXPAND_HIGHLIGHT, get_highlight_name, TRUE, TRUE}, 4746 #ifdef FEAT_AUTOCMD 4747 {EXPAND_EVENTS, get_event_name, TRUE, TRUE}, 4748 {EXPAND_AUGROUP, get_augroup_name, TRUE, TRUE}, 4749 #endif 4750 #ifdef FEAT_CSCOPE 4751 {EXPAND_CSCOPE, get_cscope_name, TRUE, TRUE}, 4752 #endif 4753 #ifdef FEAT_SIGNS 4754 {EXPAND_SIGN, get_sign_name, TRUE, TRUE}, 4755 #endif 4756 #ifdef FEAT_PROFILE 4757 {EXPAND_PROFILE, get_profile_name, TRUE, TRUE}, 4758 #endif 4759 #if (defined(HAVE_LOCALE_H) || defined(X_LOCALE)) \ 4760 && (defined(FEAT_GETTEXT) || defined(FEAT_MBYTE)) 4761 {EXPAND_LANGUAGE, get_lang_arg, TRUE, FALSE}, 4762 {EXPAND_LOCALES, get_locales, TRUE, FALSE}, 4763 #endif 4764 {EXPAND_ENV_VARS, get_env_name, TRUE, TRUE}, 4765 {EXPAND_USER, get_users, TRUE, FALSE}, 4766 }; 4767 int i; 4768 4769 /* 4770 * Find a context in the table and call the ExpandGeneric() with the 4771 * right function to do the expansion. 4772 */ 4773 ret = FAIL; 4774 for (i = 0; i < (int)(sizeof(tab) / sizeof(struct expgen)); ++i) 4775 if (xp->xp_context == tab[i].context) 4776 { 4777 if (tab[i].ic) 4778 regmatch.rm_ic = TRUE; 4779 ret = ExpandGeneric(xp, ®match, num_file, file, 4780 tab[i].func, tab[i].escaped); 4781 break; 4782 } 4783 } 4784 4785 vim_regfree(regmatch.regprog); 4786 4787 return ret; 4788 #endif /* FEAT_CMDL_COMPL */ 4789 } 4790 4791 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 4792 /* 4793 * Expand a list of names. 4794 * 4795 * Generic function for command line completion. It calls a function to 4796 * obtain strings, one by one. The strings are matched against a regexp 4797 * program. Matching strings are copied into an array, which is returned. 4798 * 4799 * Returns OK when no problems encountered, FAIL for error (out of memory). 4800 */ 4801 int 4802 ExpandGeneric(xp, regmatch, num_file, file, func, escaped) 4803 expand_T *xp; 4804 regmatch_T *regmatch; 4805 int *num_file; 4806 char_u ***file; 4807 char_u *((*func)__ARGS((expand_T *, int))); 4808 /* returns a string from the list */ 4809 int escaped; 4810 { 4811 int i; 4812 int count = 0; 4813 int round; 4814 char_u *str; 4815 4816 /* do this loop twice: 4817 * round == 0: count the number of matching names 4818 * round == 1: copy the matching names into allocated memory 4819 */ 4820 for (round = 0; round <= 1; ++round) 4821 { 4822 for (i = 0; ; ++i) 4823 { 4824 str = (*func)(xp, i); 4825 if (str == NULL) /* end of list */ 4826 break; 4827 if (*str == NUL) /* skip empty strings */ 4828 continue; 4829 4830 if (vim_regexec(regmatch, str, (colnr_T)0)) 4831 { 4832 if (round) 4833 { 4834 if (escaped) 4835 str = vim_strsave_escaped(str, (char_u *)" \t\\."); 4836 else 4837 str = vim_strsave(str); 4838 (*file)[count] = str; 4839 #ifdef FEAT_MENU 4840 if (func == get_menu_names && str != NULL) 4841 { 4842 /* test for separator added by get_menu_names() */ 4843 str += STRLEN(str) - 1; 4844 if (*str == '\001') 4845 *str = '.'; 4846 } 4847 #endif 4848 } 4849 ++count; 4850 } 4851 } 4852 if (round == 0) 4853 { 4854 if (count == 0) 4855 return OK; 4856 *num_file = count; 4857 *file = (char_u **)alloc((unsigned)(count * sizeof(char_u *))); 4858 if (*file == NULL) 4859 { 4860 *file = (char_u **)""; 4861 return FAIL; 4862 } 4863 count = 0; 4864 } 4865 } 4866 4867 /* Sort the results. Keep menu's in the specified order. */ 4868 if (xp->xp_context != EXPAND_MENUNAMES && xp->xp_context != EXPAND_MENUS) 4869 { 4870 if (xp->xp_context == EXPAND_EXPRESSION 4871 || xp->xp_context == EXPAND_FUNCTIONS 4872 || xp->xp_context == EXPAND_USER_FUNC) 4873 /* <SNR> functions should be sorted to the end. */ 4874 qsort((void *)*file, (size_t)*num_file, sizeof(char_u *), 4875 sort_func_compare); 4876 else 4877 sort_strings(*file, *num_file); 4878 } 4879 4880 #ifdef FEAT_CMDL_COMPL 4881 /* Reset the variables used for special highlight names expansion, so that 4882 * they don't show up when getting normal highlight names by ID. */ 4883 reset_expand_highlight(); 4884 #endif 4885 4886 return OK; 4887 } 4888 4889 /* 4890 * Complete a shell command. 4891 * Returns FAIL or OK; 4892 */ 4893 static int 4894 expand_shellcmd(filepat, num_file, file, flagsarg) 4895 char_u *filepat; /* pattern to match with command names */ 4896 int *num_file; /* return: number of matches */ 4897 char_u ***file; /* return: array with matches */ 4898 int flagsarg; /* EW_ flags */ 4899 { 4900 char_u *pat; 4901 int i; 4902 char_u *path; 4903 int mustfree = FALSE; 4904 garray_T ga; 4905 char_u *buf = alloc(MAXPATHL); 4906 size_t l; 4907 char_u *s, *e; 4908 int flags = flagsarg; 4909 int ret; 4910 int did_curdir = FALSE; 4911 4912 if (buf == NULL) 4913 return FAIL; 4914 4915 /* for ":set path=" and ":set tags=" halve backslashes for escaped 4916 * space */ 4917 pat = vim_strsave(filepat); 4918 for (i = 0; pat[i]; ++i) 4919 if (pat[i] == '\\' && pat[i + 1] == ' ') 4920 STRMOVE(pat + i, pat + i + 1); 4921 4922 flags |= EW_FILE | EW_EXEC | EW_SHELLCMD; 4923 4924 /* For an absolute name we don't use $PATH. */ 4925 if (mch_isFullName(pat)) 4926 path = (char_u *)" "; 4927 else if ((pat[0] == '.' && (vim_ispathsep(pat[1]) 4928 || (pat[1] == '.' && vim_ispathsep(pat[2]))))) 4929 path = (char_u *)"."; 4930 else 4931 { 4932 path = vim_getenv((char_u *)"PATH", &mustfree); 4933 if (path == NULL) 4934 path = (char_u *)""; 4935 } 4936 4937 /* 4938 * Go over all directories in $PATH. Expand matches in that directory and 4939 * collect them in "ga". When "." is not in $PATH also expand for the 4940 * current directory, to find "subdir/cmd". 4941 */ 4942 ga_init2(&ga, (int)sizeof(char *), 10); 4943 for (s = path; ; s = e) 4944 { 4945 if (*s == NUL) 4946 { 4947 if (did_curdir) 4948 break; 4949 /* Find directories in the current directory, path is empty. */ 4950 did_curdir = TRUE; 4951 } 4952 else if (*s == '.') 4953 did_curdir = TRUE; 4954 4955 if (*s == ' ') 4956 ++s; /* Skip space used for absolute path name. */ 4957 4958 #if defined(MSDOS) || defined(MSWIN) 4959 e = vim_strchr(s, ';'); 4960 #else 4961 e = vim_strchr(s, ':'); 4962 #endif 4963 if (e == NULL) 4964 e = s + STRLEN(s); 4965 4966 l = e - s; 4967 if (l > MAXPATHL - 5) 4968 break; 4969 vim_strncpy(buf, s, l); 4970 add_pathsep(buf); 4971 l = STRLEN(buf); 4972 vim_strncpy(buf + l, pat, MAXPATHL - 1 - l); 4973 4974 /* Expand matches in one directory of $PATH. */ 4975 ret = expand_wildcards(1, &buf, num_file, file, flags); 4976 if (ret == OK) 4977 { 4978 if (ga_grow(&ga, *num_file) == FAIL) 4979 FreeWild(*num_file, *file); 4980 else 4981 { 4982 for (i = 0; i < *num_file; ++i) 4983 { 4984 s = (*file)[i]; 4985 if (STRLEN(s) > l) 4986 { 4987 /* Remove the path again. */ 4988 STRMOVE(s, s + l); 4989 ((char_u **)ga.ga_data)[ga.ga_len++] = s; 4990 } 4991 else 4992 vim_free(s); 4993 } 4994 vim_free(*file); 4995 } 4996 } 4997 if (*e != NUL) 4998 ++e; 4999 } 5000 *file = ga.ga_data; 5001 *num_file = ga.ga_len; 5002 5003 vim_free(buf); 5004 vim_free(pat); 5005 if (mustfree) 5006 vim_free(path); 5007 return OK; 5008 } 5009 5010 5011 # if defined(FEAT_USR_CMDS) && defined(FEAT_EVAL) 5012 static void * call_user_expand_func __ARGS((void *(*user_expand_func) __ARGS((char_u *, int, char_u **, int)), expand_T *xp, int *num_file, char_u ***file)); 5013 5014 /* 5015 * Call "user_expand_func()" to invoke a user defined VimL function and return 5016 * the result (either a string or a List). 5017 */ 5018 static void * 5019 call_user_expand_func(user_expand_func, xp, num_file, file) 5020 void *(*user_expand_func) __ARGS((char_u *, int, char_u **, int)); 5021 expand_T *xp; 5022 int *num_file; 5023 char_u ***file; 5024 { 5025 int keep = 0; 5026 char_u num[50]; 5027 char_u *args[3]; 5028 int save_current_SID = current_SID; 5029 void *ret; 5030 struct cmdline_info save_ccline; 5031 5032 if (xp->xp_arg == NULL || xp->xp_arg[0] == '\0' || xp->xp_line == NULL) 5033 return NULL; 5034 *num_file = 0; 5035 *file = NULL; 5036 5037 if (ccline.cmdbuff != NULL) 5038 { 5039 keep = ccline.cmdbuff[ccline.cmdlen]; 5040 ccline.cmdbuff[ccline.cmdlen] = 0; 5041 } 5042 5043 args[0] = vim_strnsave(xp->xp_pattern, xp->xp_pattern_len); 5044 args[1] = xp->xp_line; 5045 sprintf((char *)num, "%d", xp->xp_col); 5046 args[2] = num; 5047 5048 /* Save the cmdline, we don't know what the function may do. */ 5049 save_ccline = ccline; 5050 ccline.cmdbuff = NULL; 5051 ccline.cmdprompt = NULL; 5052 current_SID = xp->xp_scriptID; 5053 5054 ret = user_expand_func(xp->xp_arg, 3, args, FALSE); 5055 5056 ccline = save_ccline; 5057 current_SID = save_current_SID; 5058 if (ccline.cmdbuff != NULL) 5059 ccline.cmdbuff[ccline.cmdlen] = keep; 5060 5061 vim_free(args[0]); 5062 return ret; 5063 } 5064 5065 /* 5066 * Expand names with a function defined by the user. 5067 */ 5068 static int 5069 ExpandUserDefined(xp, regmatch, num_file, file) 5070 expand_T *xp; 5071 regmatch_T *regmatch; 5072 int *num_file; 5073 char_u ***file; 5074 { 5075 char_u *retstr; 5076 char_u *s; 5077 char_u *e; 5078 char_u keep; 5079 garray_T ga; 5080 5081 retstr = call_user_expand_func(call_func_retstr, xp, num_file, file); 5082 if (retstr == NULL) 5083 return FAIL; 5084 5085 ga_init2(&ga, (int)sizeof(char *), 3); 5086 for (s = retstr; *s != NUL; s = e) 5087 { 5088 e = vim_strchr(s, '\n'); 5089 if (e == NULL) 5090 e = s + STRLEN(s); 5091 keep = *e; 5092 *e = 0; 5093 5094 if (xp->xp_pattern[0] && vim_regexec(regmatch, s, (colnr_T)0) == 0) 5095 { 5096 *e = keep; 5097 if (*e != NUL) 5098 ++e; 5099 continue; 5100 } 5101 5102 if (ga_grow(&ga, 1) == FAIL) 5103 break; 5104 5105 ((char_u **)ga.ga_data)[ga.ga_len] = vim_strnsave(s, (int)(e - s)); 5106 ++ga.ga_len; 5107 5108 *e = keep; 5109 if (*e != NUL) 5110 ++e; 5111 } 5112 vim_free(retstr); 5113 *file = ga.ga_data; 5114 *num_file = ga.ga_len; 5115 return OK; 5116 } 5117 5118 /* 5119 * Expand names with a list returned by a function defined by the user. 5120 */ 5121 static int 5122 ExpandUserList(xp, num_file, file) 5123 expand_T *xp; 5124 int *num_file; 5125 char_u ***file; 5126 { 5127 list_T *retlist; 5128 listitem_T *li; 5129 garray_T ga; 5130 5131 retlist = call_user_expand_func(call_func_retlist, xp, num_file, file); 5132 if (retlist == NULL) 5133 return FAIL; 5134 5135 ga_init2(&ga, (int)sizeof(char *), 3); 5136 /* Loop over the items in the list. */ 5137 for (li = retlist->lv_first; li != NULL; li = li->li_next) 5138 { 5139 if (li->li_tv.v_type != VAR_STRING || li->li_tv.vval.v_string == NULL) 5140 continue; /* Skip non-string items and empty strings */ 5141 5142 if (ga_grow(&ga, 1) == FAIL) 5143 break; 5144 5145 ((char_u **)ga.ga_data)[ga.ga_len] = 5146 vim_strsave(li->li_tv.vval.v_string); 5147 ++ga.ga_len; 5148 } 5149 list_unref(retlist); 5150 5151 *file = ga.ga_data; 5152 *num_file = ga.ga_len; 5153 return OK; 5154 } 5155 #endif 5156 5157 /* 5158 * Expand color scheme, compiler or filetype names: 5159 * 'runtimepath'/{dirnames}/{pat}.vim 5160 * "dirnames" is an array with one or more directory names. 5161 */ 5162 static int 5163 ExpandRTDir(pat, num_file, file, dirnames) 5164 char_u *pat; 5165 int *num_file; 5166 char_u ***file; 5167 char *dirnames[]; 5168 { 5169 char_u *s; 5170 char_u *e; 5171 char_u *match; 5172 garray_T ga; 5173 int i; 5174 int pat_len; 5175 5176 *num_file = 0; 5177 *file = NULL; 5178 pat_len = (int)STRLEN(pat); 5179 ga_init2(&ga, (int)sizeof(char *), 10); 5180 5181 for (i = 0; dirnames[i] != NULL; ++i) 5182 { 5183 s = alloc((unsigned)(STRLEN(dirnames[i]) + pat_len + 7)); 5184 if (s == NULL) 5185 { 5186 ga_clear_strings(&ga); 5187 return FAIL; 5188 } 5189 sprintf((char *)s, "%s/%s*.vim", dirnames[i], pat); 5190 globpath(p_rtp, s, &ga, 0); 5191 vim_free(s); 5192 } 5193 5194 for (i = 0; i < ga.ga_len; ++i) 5195 { 5196 match = ((char_u **)ga.ga_data)[i]; 5197 s = match; 5198 e = s + STRLEN(s); 5199 if (e - 4 > s && STRNICMP(e - 4, ".vim", 4) == 0) 5200 { 5201 e -= 4; 5202 for (s = e; s > match; mb_ptr_back(match, s)) 5203 if (s < match || vim_ispathsep(*s)) 5204 break; 5205 ++s; 5206 *e = NUL; 5207 mch_memmove(match, s, e - s + 1); 5208 } 5209 } 5210 5211 if (ga.ga_len == 0) 5212 return FAIL; 5213 5214 /* Sort and remove duplicates which can happen when specifying multiple 5215 * directories in dirnames. */ 5216 remove_duplicates(&ga); 5217 5218 *file = ga.ga_data; 5219 *num_file = ga.ga_len; 5220 return OK; 5221 } 5222 5223 #endif 5224 5225 #if defined(FEAT_CMDL_COMPL) || defined(FEAT_EVAL) || defined(PROTO) 5226 /* 5227 * Expand "file" for all comma-separated directories in "path". 5228 * Adds the matches to "ga". Caller must init "ga". 5229 */ 5230 void 5231 globpath(path, file, ga, expand_options) 5232 char_u *path; 5233 char_u *file; 5234 garray_T *ga; 5235 int expand_options; 5236 { 5237 expand_T xpc; 5238 char_u *buf; 5239 int i; 5240 int num_p; 5241 char_u **p; 5242 5243 buf = alloc(MAXPATHL); 5244 if (buf == NULL) 5245 return; 5246 5247 ExpandInit(&xpc); 5248 xpc.xp_context = EXPAND_FILES; 5249 5250 /* Loop over all entries in {path}. */ 5251 while (*path != NUL) 5252 { 5253 /* Copy one item of the path to buf[] and concatenate the file name. */ 5254 copy_option_part(&path, buf, MAXPATHL, ","); 5255 if (STRLEN(buf) + STRLEN(file) + 2 < MAXPATHL) 5256 { 5257 # if defined(MSWIN) || defined(MSDOS) 5258 /* Using the platform's path separator (\) makes vim incorrectly 5259 * treat it as an escape character, use '/' instead. */ 5260 if (*buf != NUL && !after_pathsep(buf, buf + STRLEN(buf))) 5261 STRCAT(buf, "/"); 5262 # else 5263 add_pathsep(buf); 5264 # endif 5265 STRCAT(buf, file); 5266 if (ExpandFromContext(&xpc, buf, &num_p, &p, 5267 WILD_SILENT|expand_options) != FAIL && num_p > 0) 5268 { 5269 ExpandEscape(&xpc, buf, num_p, p, WILD_SILENT|expand_options); 5270 5271 if (ga_grow(ga, num_p) == OK) 5272 { 5273 for (i = 0; i < num_p; ++i) 5274 { 5275 ((char_u **)ga->ga_data)[ga->ga_len] = 5276 vim_strnsave(p[i], (int)STRLEN(p[i])); 5277 ++ga->ga_len; 5278 } 5279 } 5280 5281 FreeWild(num_p, p); 5282 } 5283 } 5284 } 5285 5286 vim_free(buf); 5287 } 5288 5289 #endif 5290 5291 #if defined(FEAT_CMDHIST) || defined(PROTO) 5292 5293 /********************************* 5294 * Command line history stuff * 5295 *********************************/ 5296 5297 /* 5298 * Translate a history character to the associated type number. 5299 */ 5300 static int 5301 hist_char2type(c) 5302 int c; 5303 { 5304 if (c == ':') 5305 return HIST_CMD; 5306 if (c == '=') 5307 return HIST_EXPR; 5308 if (c == '@') 5309 return HIST_INPUT; 5310 if (c == '>') 5311 return HIST_DEBUG; 5312 return HIST_SEARCH; /* must be '?' or '/' */ 5313 } 5314 5315 /* 5316 * Table of history names. 5317 * These names are used in :history and various hist...() functions. 5318 * It is sufficient to give the significant prefix of a history name. 5319 */ 5320 5321 static char *(history_names[]) = 5322 { 5323 "cmd", 5324 "search", 5325 "expr", 5326 "input", 5327 "debug", 5328 NULL 5329 }; 5330 5331 #if defined(FEAT_CMDL_COMPL) || defined(PROTO) 5332 /* 5333 * Function given to ExpandGeneric() to obtain the possible first 5334 * arguments of the ":history command. 5335 */ 5336 static char_u * 5337 get_history_arg(xp, idx) 5338 expand_T *xp UNUSED; 5339 int idx; 5340 { 5341 static char_u compl[2] = { NUL, NUL }; 5342 char *short_names = ":=@>?/"; 5343 int short_names_count = (int)STRLEN(short_names); 5344 int history_name_count = sizeof(history_names) / sizeof(char *) - 1; 5345 5346 if (idx < short_names_count) 5347 { 5348 compl[0] = (char_u)short_names[idx]; 5349 return compl; 5350 } 5351 if (idx < short_names_count + history_name_count) 5352 return (char_u *)history_names[idx - short_names_count]; 5353 if (idx == short_names_count + history_name_count) 5354 return (char_u *)"all"; 5355 return NULL; 5356 } 5357 #endif 5358 5359 /* 5360 * init_history() - Initialize the command line history. 5361 * Also used to re-allocate the history when the size changes. 5362 */ 5363 void 5364 init_history() 5365 { 5366 int newlen; /* new length of history table */ 5367 histentry_T *temp; 5368 int i; 5369 int j; 5370 int type; 5371 5372 /* 5373 * If size of history table changed, reallocate it 5374 */ 5375 newlen = (int)p_hi; 5376 if (newlen != hislen) /* history length changed */ 5377 { 5378 for (type = 0; type < HIST_COUNT; ++type) /* adjust the tables */ 5379 { 5380 if (newlen) 5381 { 5382 temp = (histentry_T *)lalloc( 5383 (long_u)(newlen * sizeof(histentry_T)), TRUE); 5384 if (temp == NULL) /* out of memory! */ 5385 { 5386 if (type == 0) /* first one: just keep the old length */ 5387 { 5388 newlen = hislen; 5389 break; 5390 } 5391 /* Already changed one table, now we can only have zero 5392 * length for all tables. */ 5393 newlen = 0; 5394 type = -1; 5395 continue; 5396 } 5397 } 5398 else 5399 temp = NULL; 5400 if (newlen == 0 || temp != NULL) 5401 { 5402 if (hisidx[type] < 0) /* there are no entries yet */ 5403 { 5404 for (i = 0; i < newlen; ++i) 5405 clear_hist_entry(&temp[i]); 5406 } 5407 else if (newlen > hislen) /* array becomes bigger */ 5408 { 5409 for (i = 0; i <= hisidx[type]; ++i) 5410 temp[i] = history[type][i]; 5411 j = i; 5412 for ( ; i <= newlen - (hislen - hisidx[type]); ++i) 5413 clear_hist_entry(&temp[i]); 5414 for ( ; j < hislen; ++i, ++j) 5415 temp[i] = history[type][j]; 5416 } 5417 else /* array becomes smaller or 0 */ 5418 { 5419 j = hisidx[type]; 5420 for (i = newlen - 1; ; --i) 5421 { 5422 if (i >= 0) /* copy newest entries */ 5423 temp[i] = history[type][j]; 5424 else /* remove older entries */ 5425 vim_free(history[type][j].hisstr); 5426 if (--j < 0) 5427 j = hislen - 1; 5428 if (j == hisidx[type]) 5429 break; 5430 } 5431 hisidx[type] = newlen - 1; 5432 } 5433 vim_free(history[type]); 5434 history[type] = temp; 5435 } 5436 } 5437 hislen = newlen; 5438 } 5439 } 5440 5441 static void 5442 clear_hist_entry(hisptr) 5443 histentry_T *hisptr; 5444 { 5445 hisptr->hisnum = 0; 5446 hisptr->viminfo = FALSE; 5447 hisptr->hisstr = NULL; 5448 } 5449 5450 /* 5451 * Check if command line 'str' is already in history. 5452 * If 'move_to_front' is TRUE, matching entry is moved to end of history. 5453 */ 5454 static int 5455 in_history(type, str, move_to_front, sep, writing) 5456 int type; 5457 char_u *str; 5458 int move_to_front; /* Move the entry to the front if it exists */ 5459 int sep; 5460 int writing; /* ignore entries read from viminfo */ 5461 { 5462 int i; 5463 int last_i = -1; 5464 char_u *p; 5465 5466 if (hisidx[type] < 0) 5467 return FALSE; 5468 i = hisidx[type]; 5469 do 5470 { 5471 if (history[type][i].hisstr == NULL) 5472 return FALSE; 5473 5474 /* For search history, check that the separator character matches as 5475 * well. */ 5476 p = history[type][i].hisstr; 5477 if (STRCMP(str, p) == 0 5478 && !(writing && history[type][i].viminfo) 5479 && (type != HIST_SEARCH || sep == p[STRLEN(p) + 1])) 5480 { 5481 if (!move_to_front) 5482 return TRUE; 5483 last_i = i; 5484 break; 5485 } 5486 if (--i < 0) 5487 i = hislen - 1; 5488 } while (i != hisidx[type]); 5489 5490 if (last_i >= 0) 5491 { 5492 str = history[type][i].hisstr; 5493 while (i != hisidx[type]) 5494 { 5495 if (++i >= hislen) 5496 i = 0; 5497 history[type][last_i] = history[type][i]; 5498 last_i = i; 5499 } 5500 history[type][i].hisnum = ++hisnum[type]; 5501 history[type][i].viminfo = FALSE; 5502 history[type][i].hisstr = str; 5503 return TRUE; 5504 } 5505 return FALSE; 5506 } 5507 5508 /* 5509 * Convert history name (from table above) to its HIST_ equivalent. 5510 * When "name" is empty, return "cmd" history. 5511 * Returns -1 for unknown history name. 5512 */ 5513 int 5514 get_histtype(name) 5515 char_u *name; 5516 { 5517 int i; 5518 int len = (int)STRLEN(name); 5519 5520 /* No argument: use current history. */ 5521 if (len == 0) 5522 return hist_char2type(ccline.cmdfirstc); 5523 5524 for (i = 0; history_names[i] != NULL; ++i) 5525 if (STRNICMP(name, history_names[i], len) == 0) 5526 return i; 5527 5528 if (vim_strchr((char_u *)":=@>?/", name[0]) != NULL && name[1] == NUL) 5529 return hist_char2type(name[0]); 5530 5531 return -1; 5532 } 5533 5534 static int last_maptick = -1; /* last seen maptick */ 5535 5536 /* 5537 * Add the given string to the given history. If the string is already in the 5538 * history then it is moved to the front. "histype" may be one of he HIST_ 5539 * values. 5540 */ 5541 void 5542 add_to_history(histype, new_entry, in_map, sep) 5543 int histype; 5544 char_u *new_entry; 5545 int in_map; /* consider maptick when inside a mapping */ 5546 int sep; /* separator character used (search hist) */ 5547 { 5548 histentry_T *hisptr; 5549 int len; 5550 5551 if (hislen == 0) /* no history */ 5552 return; 5553 5554 if (cmdmod.keeppatterns && histype == HIST_SEARCH) 5555 return; 5556 5557 /* 5558 * Searches inside the same mapping overwrite each other, so that only 5559 * the last line is kept. Be careful not to remove a line that was moved 5560 * down, only lines that were added. 5561 */ 5562 if (histype == HIST_SEARCH && in_map) 5563 { 5564 if (maptick == last_maptick) 5565 { 5566 /* Current line is from the same mapping, remove it */ 5567 hisptr = &history[HIST_SEARCH][hisidx[HIST_SEARCH]]; 5568 vim_free(hisptr->hisstr); 5569 clear_hist_entry(hisptr); 5570 --hisnum[histype]; 5571 if (--hisidx[HIST_SEARCH] < 0) 5572 hisidx[HIST_SEARCH] = hislen - 1; 5573 } 5574 last_maptick = -1; 5575 } 5576 if (!in_history(histype, new_entry, TRUE, sep, FALSE)) 5577 { 5578 if (++hisidx[histype] == hislen) 5579 hisidx[histype] = 0; 5580 hisptr = &history[histype][hisidx[histype]]; 5581 vim_free(hisptr->hisstr); 5582 5583 /* Store the separator after the NUL of the string. */ 5584 len = (int)STRLEN(new_entry); 5585 hisptr->hisstr = vim_strnsave(new_entry, len + 2); 5586 if (hisptr->hisstr != NULL) 5587 hisptr->hisstr[len + 1] = sep; 5588 5589 hisptr->hisnum = ++hisnum[histype]; 5590 hisptr->viminfo = FALSE; 5591 if (histype == HIST_SEARCH && in_map) 5592 last_maptick = maptick; 5593 } 5594 } 5595 5596 #if defined(FEAT_EVAL) || defined(PROTO) 5597 5598 /* 5599 * Get identifier of newest history entry. 5600 * "histype" may be one of the HIST_ values. 5601 */ 5602 int 5603 get_history_idx(histype) 5604 int histype; 5605 { 5606 if (hislen == 0 || histype < 0 || histype >= HIST_COUNT 5607 || hisidx[histype] < 0) 5608 return -1; 5609 5610 return history[histype][hisidx[histype]].hisnum; 5611 } 5612 5613 static struct cmdline_info *get_ccline_ptr __ARGS((void)); 5614 5615 /* 5616 * Get pointer to the command line info to use. cmdline_paste() may clear 5617 * ccline and put the previous value in prev_ccline. 5618 */ 5619 static struct cmdline_info * 5620 get_ccline_ptr() 5621 { 5622 if ((State & CMDLINE) == 0) 5623 return NULL; 5624 if (ccline.cmdbuff != NULL) 5625 return &ccline; 5626 if (prev_ccline_used && prev_ccline.cmdbuff != NULL) 5627 return &prev_ccline; 5628 return NULL; 5629 } 5630 5631 /* 5632 * Get the current command line in allocated memory. 5633 * Only works when the command line is being edited. 5634 * Returns NULL when something is wrong. 5635 */ 5636 char_u * 5637 get_cmdline_str() 5638 { 5639 struct cmdline_info *p = get_ccline_ptr(); 5640 5641 if (p == NULL) 5642 return NULL; 5643 return vim_strnsave(p->cmdbuff, p->cmdlen); 5644 } 5645 5646 /* 5647 * Get the current command line position, counted in bytes. 5648 * Zero is the first position. 5649 * Only works when the command line is being edited. 5650 * Returns -1 when something is wrong. 5651 */ 5652 int 5653 get_cmdline_pos() 5654 { 5655 struct cmdline_info *p = get_ccline_ptr(); 5656 5657 if (p == NULL) 5658 return -1; 5659 return p->cmdpos; 5660 } 5661 5662 /* 5663 * Set the command line byte position to "pos". Zero is the first position. 5664 * Only works when the command line is being edited. 5665 * Returns 1 when failed, 0 when OK. 5666 */ 5667 int 5668 set_cmdline_pos(pos) 5669 int pos; 5670 { 5671 struct cmdline_info *p = get_ccline_ptr(); 5672 5673 if (p == NULL) 5674 return 1; 5675 5676 /* The position is not set directly but after CTRL-\ e or CTRL-R = has 5677 * changed the command line. */ 5678 if (pos < 0) 5679 new_cmdpos = 0; 5680 else 5681 new_cmdpos = pos; 5682 return 0; 5683 } 5684 5685 /* 5686 * Get the current command-line type. 5687 * Returns ':' or '/' or '?' or '@' or '>' or '-' 5688 * Only works when the command line is being edited. 5689 * Returns NUL when something is wrong. 5690 */ 5691 int 5692 get_cmdline_type() 5693 { 5694 struct cmdline_info *p = get_ccline_ptr(); 5695 5696 if (p == NULL) 5697 return NUL; 5698 if (p->cmdfirstc == NUL) 5699 return (p->input_fn) ? '@' : '-'; 5700 return p->cmdfirstc; 5701 } 5702 5703 /* 5704 * Calculate history index from a number: 5705 * num > 0: seen as identifying number of a history entry 5706 * num < 0: relative position in history wrt newest entry 5707 * "histype" may be one of the HIST_ values. 5708 */ 5709 static int 5710 calc_hist_idx(histype, num) 5711 int histype; 5712 int num; 5713 { 5714 int i; 5715 histentry_T *hist; 5716 int wrapped = FALSE; 5717 5718 if (hislen == 0 || histype < 0 || histype >= HIST_COUNT 5719 || (i = hisidx[histype]) < 0 || num == 0) 5720 return -1; 5721 5722 hist = history[histype]; 5723 if (num > 0) 5724 { 5725 while (hist[i].hisnum > num) 5726 if (--i < 0) 5727 { 5728 if (wrapped) 5729 break; 5730 i += hislen; 5731 wrapped = TRUE; 5732 } 5733 if (hist[i].hisnum == num && hist[i].hisstr != NULL) 5734 return i; 5735 } 5736 else if (-num <= hislen) 5737 { 5738 i += num + 1; 5739 if (i < 0) 5740 i += hislen; 5741 if (hist[i].hisstr != NULL) 5742 return i; 5743 } 5744 return -1; 5745 } 5746 5747 /* 5748 * Get a history entry by its index. 5749 * "histype" may be one of the HIST_ values. 5750 */ 5751 char_u * 5752 get_history_entry(histype, idx) 5753 int histype; 5754 int idx; 5755 { 5756 idx = calc_hist_idx(histype, idx); 5757 if (idx >= 0) 5758 return history[histype][idx].hisstr; 5759 else 5760 return (char_u *)""; 5761 } 5762 5763 /* 5764 * Clear all entries of a history. 5765 * "histype" may be one of the HIST_ values. 5766 */ 5767 int 5768 clr_history(histype) 5769 int histype; 5770 { 5771 int i; 5772 histentry_T *hisptr; 5773 5774 if (hislen != 0 && histype >= 0 && histype < HIST_COUNT) 5775 { 5776 hisptr = history[histype]; 5777 for (i = hislen; i--;) 5778 { 5779 vim_free(hisptr->hisstr); 5780 clear_hist_entry(hisptr); 5781 } 5782 hisidx[histype] = -1; /* mark history as cleared */ 5783 hisnum[histype] = 0; /* reset identifier counter */ 5784 return OK; 5785 } 5786 return FAIL; 5787 } 5788 5789 /* 5790 * Remove all entries matching {str} from a history. 5791 * "histype" may be one of the HIST_ values. 5792 */ 5793 int 5794 del_history_entry(histype, str) 5795 int histype; 5796 char_u *str; 5797 { 5798 regmatch_T regmatch; 5799 histentry_T *hisptr; 5800 int idx; 5801 int i; 5802 int last; 5803 int found = FALSE; 5804 5805 regmatch.regprog = NULL; 5806 regmatch.rm_ic = FALSE; /* always match case */ 5807 if (hislen != 0 5808 && histype >= 0 5809 && histype < HIST_COUNT 5810 && *str != NUL 5811 && (idx = hisidx[histype]) >= 0 5812 && (regmatch.regprog = vim_regcomp(str, RE_MAGIC + RE_STRING)) 5813 != NULL) 5814 { 5815 i = last = idx; 5816 do 5817 { 5818 hisptr = &history[histype][i]; 5819 if (hisptr->hisstr == NULL) 5820 break; 5821 if (vim_regexec(®match, hisptr->hisstr, (colnr_T)0)) 5822 { 5823 found = TRUE; 5824 vim_free(hisptr->hisstr); 5825 clear_hist_entry(hisptr); 5826 } 5827 else 5828 { 5829 if (i != last) 5830 { 5831 history[histype][last] = *hisptr; 5832 clear_hist_entry(hisptr); 5833 } 5834 if (--last < 0) 5835 last += hislen; 5836 } 5837 if (--i < 0) 5838 i += hislen; 5839 } while (i != idx); 5840 if (history[histype][idx].hisstr == NULL) 5841 hisidx[histype] = -1; 5842 } 5843 vim_regfree(regmatch.regprog); 5844 return found; 5845 } 5846 5847 /* 5848 * Remove an indexed entry from a history. 5849 * "histype" may be one of the HIST_ values. 5850 */ 5851 int 5852 del_history_idx(histype, idx) 5853 int histype; 5854 int idx; 5855 { 5856 int i, j; 5857 5858 i = calc_hist_idx(histype, idx); 5859 if (i < 0) 5860 return FALSE; 5861 idx = hisidx[histype]; 5862 vim_free(history[histype][i].hisstr); 5863 5864 /* When deleting the last added search string in a mapping, reset 5865 * last_maptick, so that the last added search string isn't deleted again. 5866 */ 5867 if (histype == HIST_SEARCH && maptick == last_maptick && i == idx) 5868 last_maptick = -1; 5869 5870 while (i != idx) 5871 { 5872 j = (i + 1) % hislen; 5873 history[histype][i] = history[histype][j]; 5874 i = j; 5875 } 5876 clear_hist_entry(&history[histype][i]); 5877 if (--i < 0) 5878 i += hislen; 5879 hisidx[histype] = i; 5880 return TRUE; 5881 } 5882 5883 #endif /* FEAT_EVAL */ 5884 5885 #if defined(FEAT_CRYPT) || defined(PROTO) 5886 /* 5887 * Very specific function to remove the value in ":set key=val" from the 5888 * history. 5889 */ 5890 void 5891 remove_key_from_history() 5892 { 5893 char_u *p; 5894 int i; 5895 5896 i = hisidx[HIST_CMD]; 5897 if (i < 0) 5898 return; 5899 p = history[HIST_CMD][i].hisstr; 5900 if (p != NULL) 5901 for ( ; *p; ++p) 5902 if (STRNCMP(p, "key", 3) == 0 && !isalpha(p[3])) 5903 { 5904 p = vim_strchr(p + 3, '='); 5905 if (p == NULL) 5906 break; 5907 ++p; 5908 for (i = 0; p[i] && !vim_iswhite(p[i]); ++i) 5909 if (p[i] == '\\' && p[i + 1]) 5910 ++i; 5911 STRMOVE(p, p + i); 5912 --p; 5913 } 5914 } 5915 #endif 5916 5917 #endif /* FEAT_CMDHIST */ 5918 5919 #if defined(FEAT_QUICKFIX) || defined(FEAT_CMDHIST) || defined(PROTO) 5920 /* 5921 * Get indices "num1,num2" that specify a range within a list (not a range of 5922 * text lines in a buffer!) from a string. Used for ":history" and ":clist". 5923 * Returns OK if parsed successfully, otherwise FAIL. 5924 */ 5925 int 5926 get_list_range(str, num1, num2) 5927 char_u **str; 5928 int *num1; 5929 int *num2; 5930 { 5931 int len; 5932 int first = FALSE; 5933 long num; 5934 5935 *str = skipwhite(*str); 5936 if (**str == '-' || vim_isdigit(**str)) /* parse "from" part of range */ 5937 { 5938 vim_str2nr(*str, NULL, &len, FALSE, FALSE, &num, NULL, 0); 5939 *str += len; 5940 *num1 = (int)num; 5941 first = TRUE; 5942 } 5943 *str = skipwhite(*str); 5944 if (**str == ',') /* parse "to" part of range */ 5945 { 5946 *str = skipwhite(*str + 1); 5947 vim_str2nr(*str, NULL, &len, FALSE, FALSE, &num, NULL, 0); 5948 if (len > 0) 5949 { 5950 *num2 = (int)num; 5951 *str = skipwhite(*str + len); 5952 } 5953 else if (!first) /* no number given at all */ 5954 return FAIL; 5955 } 5956 else if (first) /* only one number given */ 5957 *num2 = *num1; 5958 return OK; 5959 } 5960 #endif 5961 5962 #if defined(FEAT_CMDHIST) || defined(PROTO) 5963 /* 5964 * :history command - print a history 5965 */ 5966 void 5967 ex_history(eap) 5968 exarg_T *eap; 5969 { 5970 histentry_T *hist; 5971 int histype1 = HIST_CMD; 5972 int histype2 = HIST_CMD; 5973 int hisidx1 = 1; 5974 int hisidx2 = -1; 5975 int idx; 5976 int i, j, k; 5977 char_u *end; 5978 char_u *arg = eap->arg; 5979 5980 if (hislen == 0) 5981 { 5982 MSG(_("'history' option is zero")); 5983 return; 5984 } 5985 5986 if (!(VIM_ISDIGIT(*arg) || *arg == '-' || *arg == ',')) 5987 { 5988 end = arg; 5989 while (ASCII_ISALPHA(*end) 5990 || vim_strchr((char_u *)":=@>/?", *end) != NULL) 5991 end++; 5992 i = *end; 5993 *end = NUL; 5994 histype1 = get_histtype(arg); 5995 if (histype1 == -1) 5996 { 5997 if (STRNICMP(arg, "all", STRLEN(arg)) == 0) 5998 { 5999 histype1 = 0; 6000 histype2 = HIST_COUNT-1; 6001 } 6002 else 6003 { 6004 *end = i; 6005 EMSG(_(e_trailing)); 6006 return; 6007 } 6008 } 6009 else 6010 histype2 = histype1; 6011 *end = i; 6012 } 6013 else 6014 end = arg; 6015 if (!get_list_range(&end, &hisidx1, &hisidx2) || *end != NUL) 6016 { 6017 EMSG(_(e_trailing)); 6018 return; 6019 } 6020 6021 for (; !got_int && histype1 <= histype2; ++histype1) 6022 { 6023 STRCPY(IObuff, "\n # "); 6024 STRCAT(STRCAT(IObuff, history_names[histype1]), " history"); 6025 MSG_PUTS_TITLE(IObuff); 6026 idx = hisidx[histype1]; 6027 hist = history[histype1]; 6028 j = hisidx1; 6029 k = hisidx2; 6030 if (j < 0) 6031 j = (-j > hislen) ? 0 : hist[(hislen+j+idx+1) % hislen].hisnum; 6032 if (k < 0) 6033 k = (-k > hislen) ? 0 : hist[(hislen+k+idx+1) % hislen].hisnum; 6034 if (idx >= 0 && j <= k) 6035 for (i = idx + 1; !got_int; ++i) 6036 { 6037 if (i == hislen) 6038 i = 0; 6039 if (hist[i].hisstr != NULL 6040 && hist[i].hisnum >= j && hist[i].hisnum <= k) 6041 { 6042 msg_putchar('\n'); 6043 sprintf((char *)IObuff, "%c%6d ", i == idx ? '>' : ' ', 6044 hist[i].hisnum); 6045 if (vim_strsize(hist[i].hisstr) > (int)Columns - 10) 6046 trunc_string(hist[i].hisstr, IObuff + STRLEN(IObuff), 6047 (int)Columns - 10, IOSIZE - (int)STRLEN(IObuff)); 6048 else 6049 STRCAT(IObuff, hist[i].hisstr); 6050 msg_outtrans(IObuff); 6051 out_flush(); 6052 } 6053 if (i == idx) 6054 break; 6055 } 6056 } 6057 } 6058 #endif 6059 6060 #if (defined(FEAT_VIMINFO) && defined(FEAT_CMDHIST)) || defined(PROTO) 6061 /* 6062 * Buffers for history read from a viminfo file. Only valid while reading. 6063 */ 6064 static char_u **viminfo_history[HIST_COUNT] = {NULL, NULL, NULL, NULL}; 6065 static int viminfo_hisidx[HIST_COUNT] = {0, 0, 0, 0}; 6066 static int viminfo_hislen[HIST_COUNT] = {0, 0, 0, 0}; 6067 static int viminfo_add_at_front = FALSE; 6068 6069 static int hist_type2char __ARGS((int type, int use_question)); 6070 6071 /* 6072 * Translate a history type number to the associated character. 6073 */ 6074 static int 6075 hist_type2char(type, use_question) 6076 int type; 6077 int use_question; /* use '?' instead of '/' */ 6078 { 6079 if (type == HIST_CMD) 6080 return ':'; 6081 if (type == HIST_SEARCH) 6082 { 6083 if (use_question) 6084 return '?'; 6085 else 6086 return '/'; 6087 } 6088 if (type == HIST_EXPR) 6089 return '='; 6090 return '@'; 6091 } 6092 6093 /* 6094 * Prepare for reading the history from the viminfo file. 6095 * This allocates history arrays to store the read history lines. 6096 */ 6097 void 6098 prepare_viminfo_history(asklen, writing) 6099 int asklen; 6100 int writing; 6101 { 6102 int i; 6103 int num; 6104 int type; 6105 int len; 6106 6107 init_history(); 6108 viminfo_add_at_front = (asklen != 0 && !writing); 6109 if (asklen > hislen) 6110 asklen = hislen; 6111 6112 for (type = 0; type < HIST_COUNT; ++type) 6113 { 6114 /* Count the number of empty spaces in the history list. Entries read 6115 * from viminfo previously are also considered empty. If there are 6116 * more spaces available than we request, then fill them up. */ 6117 for (i = 0, num = 0; i < hislen; i++) 6118 if (history[type][i].hisstr == NULL || history[type][i].viminfo) 6119 num++; 6120 len = asklen; 6121 if (num > len) 6122 len = num; 6123 if (len <= 0) 6124 viminfo_history[type] = NULL; 6125 else 6126 viminfo_history[type] = 6127 (char_u **)lalloc((long_u)(len * sizeof(char_u *)), FALSE); 6128 if (viminfo_history[type] == NULL) 6129 len = 0; 6130 viminfo_hislen[type] = len; 6131 viminfo_hisidx[type] = 0; 6132 } 6133 } 6134 6135 /* 6136 * Accept a line from the viminfo, store it in the history array when it's 6137 * new. 6138 */ 6139 int 6140 read_viminfo_history(virp, writing) 6141 vir_T *virp; 6142 int writing; 6143 { 6144 int type; 6145 long_u len; 6146 char_u *val; 6147 char_u *p; 6148 6149 type = hist_char2type(virp->vir_line[0]); 6150 if (viminfo_hisidx[type] < viminfo_hislen[type]) 6151 { 6152 val = viminfo_readstring(virp, 1, TRUE); 6153 if (val != NULL && *val != NUL) 6154 { 6155 int sep = (*val == ' ' ? NUL : *val); 6156 6157 if (!in_history(type, val + (type == HIST_SEARCH), 6158 viminfo_add_at_front, sep, writing)) 6159 { 6160 /* Need to re-allocate to append the separator byte. */ 6161 len = STRLEN(val); 6162 p = lalloc(len + 2, TRUE); 6163 if (p != NULL) 6164 { 6165 if (type == HIST_SEARCH) 6166 { 6167 /* Search entry: Move the separator from the first 6168 * column to after the NUL. */ 6169 mch_memmove(p, val + 1, (size_t)len); 6170 p[len] = sep; 6171 } 6172 else 6173 { 6174 /* Not a search entry: No separator in the viminfo 6175 * file, add a NUL separator. */ 6176 mch_memmove(p, val, (size_t)len + 1); 6177 p[len + 1] = NUL; 6178 } 6179 viminfo_history[type][viminfo_hisidx[type]++] = p; 6180 } 6181 } 6182 } 6183 vim_free(val); 6184 } 6185 return viminfo_readline(virp); 6186 } 6187 6188 /* 6189 * Finish reading history lines from viminfo. Not used when writing viminfo. 6190 */ 6191 void 6192 finish_viminfo_history() 6193 { 6194 int idx; 6195 int i; 6196 int type; 6197 6198 for (type = 0; type < HIST_COUNT; ++type) 6199 { 6200 if (history[type] == NULL) 6201 continue; 6202 idx = hisidx[type] + viminfo_hisidx[type]; 6203 if (idx >= hislen) 6204 idx -= hislen; 6205 else if (idx < 0) 6206 idx = hislen - 1; 6207 if (viminfo_add_at_front) 6208 hisidx[type] = idx; 6209 else 6210 { 6211 if (hisidx[type] == -1) 6212 hisidx[type] = hislen - 1; 6213 do 6214 { 6215 if (history[type][idx].hisstr != NULL 6216 || history[type][idx].viminfo) 6217 break; 6218 if (++idx == hislen) 6219 idx = 0; 6220 } while (idx != hisidx[type]); 6221 if (idx != hisidx[type] && --idx < 0) 6222 idx = hislen - 1; 6223 } 6224 for (i = 0; i < viminfo_hisidx[type]; i++) 6225 { 6226 vim_free(history[type][idx].hisstr); 6227 history[type][idx].hisstr = viminfo_history[type][i]; 6228 history[type][idx].viminfo = TRUE; 6229 if (--idx < 0) 6230 idx = hislen - 1; 6231 } 6232 idx += 1; 6233 idx %= hislen; 6234 for (i = 0; i < viminfo_hisidx[type]; i++) 6235 { 6236 history[type][idx++].hisnum = ++hisnum[type]; 6237 idx %= hislen; 6238 } 6239 vim_free(viminfo_history[type]); 6240 viminfo_history[type] = NULL; 6241 viminfo_hisidx[type] = 0; 6242 } 6243 } 6244 6245 /* 6246 * Write history to viminfo file in "fp". 6247 * When "merge" is TRUE merge history lines with a previously read viminfo 6248 * file, data is in viminfo_history[]. 6249 * When "merge" is FALSE just write all history lines. Used for ":wviminfo!". 6250 */ 6251 void 6252 write_viminfo_history(fp, merge) 6253 FILE *fp; 6254 int merge; 6255 { 6256 int i; 6257 int type; 6258 int num_saved; 6259 char_u *p; 6260 int c; 6261 int round; 6262 6263 init_history(); 6264 if (hislen == 0) 6265 return; 6266 for (type = 0; type < HIST_COUNT; ++type) 6267 { 6268 num_saved = get_viminfo_parameter(hist_type2char(type, FALSE)); 6269 if (num_saved == 0) 6270 continue; 6271 if (num_saved < 0) /* Use default */ 6272 num_saved = hislen; 6273 fprintf(fp, _("\n# %s History (newest to oldest):\n"), 6274 type == HIST_CMD ? _("Command Line") : 6275 type == HIST_SEARCH ? _("Search String") : 6276 type == HIST_EXPR ? _("Expression") : 6277 _("Input Line")); 6278 if (num_saved > hislen) 6279 num_saved = hislen; 6280 6281 /* 6282 * Merge typed and viminfo history: 6283 * round 1: history of typed commands. 6284 * round 2: history from recently read viminfo. 6285 */ 6286 for (round = 1; round <= 2; ++round) 6287 { 6288 if (round == 1) 6289 /* start at newest entry, somewhere in the list */ 6290 i = hisidx[type]; 6291 else if (viminfo_hisidx[type] > 0) 6292 /* start at newest entry, first in the list */ 6293 i = 0; 6294 else 6295 /* empty list */ 6296 i = -1; 6297 if (i >= 0) 6298 while (num_saved > 0 6299 && !(round == 2 && i >= viminfo_hisidx[type])) 6300 { 6301 p = round == 1 ? history[type][i].hisstr 6302 : viminfo_history[type] == NULL ? NULL 6303 : viminfo_history[type][i]; 6304 if (p != NULL && (round == 2 6305 || !merge 6306 || !history[type][i].viminfo)) 6307 { 6308 --num_saved; 6309 fputc(hist_type2char(type, TRUE), fp); 6310 /* For the search history: put the separator in the 6311 * second column; use a space if there isn't one. */ 6312 if (type == HIST_SEARCH) 6313 { 6314 c = p[STRLEN(p) + 1]; 6315 putc(c == NUL ? ' ' : c, fp); 6316 } 6317 viminfo_writestring(fp, p); 6318 } 6319 if (round == 1) 6320 { 6321 /* Decrement index, loop around and stop when back at 6322 * the start. */ 6323 if (--i < 0) 6324 i = hislen - 1; 6325 if (i == hisidx[type]) 6326 break; 6327 } 6328 else 6329 { 6330 /* Increment index. Stop at the end in the while. */ 6331 ++i; 6332 } 6333 } 6334 } 6335 for (i = 0; i < viminfo_hisidx[type]; ++i) 6336 if (viminfo_history[type] != NULL) 6337 vim_free(viminfo_history[type][i]); 6338 vim_free(viminfo_history[type]); 6339 viminfo_history[type] = NULL; 6340 viminfo_hisidx[type] = 0; 6341 } 6342 } 6343 #endif /* FEAT_VIMINFO */ 6344 6345 #if defined(FEAT_FKMAP) || defined(PROTO) 6346 /* 6347 * Write a character at the current cursor+offset position. 6348 * It is directly written into the command buffer block. 6349 */ 6350 void 6351 cmd_pchar(c, offset) 6352 int c, offset; 6353 { 6354 if (ccline.cmdpos + offset >= ccline.cmdlen || ccline.cmdpos + offset < 0) 6355 { 6356 EMSG(_("E198: cmd_pchar beyond the command length")); 6357 return; 6358 } 6359 ccline.cmdbuff[ccline.cmdpos + offset] = (char_u)c; 6360 ccline.cmdbuff[ccline.cmdlen] = NUL; 6361 } 6362 6363 int 6364 cmd_gchar(offset) 6365 int offset; 6366 { 6367 if (ccline.cmdpos + offset >= ccline.cmdlen || ccline.cmdpos + offset < 0) 6368 { 6369 /* EMSG(_("cmd_gchar beyond the command length")); */ 6370 return NUL; 6371 } 6372 return (int)ccline.cmdbuff[ccline.cmdpos + offset]; 6373 } 6374 #endif 6375 6376 #if defined(FEAT_CMDWIN) || defined(PROTO) 6377 /* 6378 * Open a window on the current command line and history. Allow editing in 6379 * the window. Returns when the window is closed. 6380 * Returns: 6381 * CR if the command is to be executed 6382 * Ctrl_C if it is to be abandoned 6383 * K_IGNORE if editing continues 6384 */ 6385 static int 6386 ex_window() 6387 { 6388 struct cmdline_info save_ccline; 6389 buf_T *old_curbuf = curbuf; 6390 win_T *old_curwin = curwin; 6391 buf_T *bp; 6392 win_T *wp; 6393 int i; 6394 linenr_T lnum; 6395 int histtype; 6396 garray_T winsizes; 6397 #ifdef FEAT_AUTOCMD 6398 char_u typestr[2]; 6399 #endif 6400 int save_restart_edit = restart_edit; 6401 int save_State = State; 6402 int save_exmode = exmode_active; 6403 #ifdef FEAT_RIGHTLEFT 6404 int save_cmdmsg_rl = cmdmsg_rl; 6405 #endif 6406 #ifdef FEAT_FOLDING 6407 int save_KeyTyped; 6408 #endif 6409 6410 /* Can't do this recursively. Can't do it when typing a password. */ 6411 if (cmdwin_type != 0 6412 # if defined(FEAT_CRYPT) || defined(FEAT_EVAL) 6413 || cmdline_star > 0 6414 # endif 6415 ) 6416 { 6417 beep_flush(); 6418 return K_IGNORE; 6419 } 6420 6421 /* Save current window sizes. */ 6422 win_size_save(&winsizes); 6423 6424 # ifdef FEAT_AUTOCMD 6425 /* Don't execute autocommands while creating the window. */ 6426 block_autocmds(); 6427 # endif 6428 /* don't use a new tab page */ 6429 cmdmod.tab = 0; 6430 6431 /* Create a window for the command-line buffer. */ 6432 if (win_split((int)p_cwh, WSP_BOT) == FAIL) 6433 { 6434 beep_flush(); 6435 # ifdef FEAT_AUTOCMD 6436 unblock_autocmds(); 6437 # endif 6438 return K_IGNORE; 6439 } 6440 cmdwin_type = get_cmdline_type(); 6441 6442 /* Create the command-line buffer empty. */ 6443 (void)do_ecmd(0, NULL, NULL, NULL, ECMD_ONE, ECMD_HIDE, NULL); 6444 (void)setfname(curbuf, (char_u *)"[Command Line]", NULL, TRUE); 6445 set_option_value((char_u *)"bt", 0L, (char_u *)"nofile", OPT_LOCAL); 6446 set_option_value((char_u *)"swf", 0L, NULL, OPT_LOCAL); 6447 curbuf->b_p_ma = TRUE; 6448 #ifdef FEAT_FOLDING 6449 curwin->w_p_fen = FALSE; 6450 #endif 6451 # ifdef FEAT_RIGHTLEFT 6452 curwin->w_p_rl = cmdmsg_rl; 6453 cmdmsg_rl = FALSE; 6454 # endif 6455 RESET_BINDING(curwin); 6456 6457 # ifdef FEAT_AUTOCMD 6458 /* Do execute autocommands for setting the filetype (load syntax). */ 6459 unblock_autocmds(); 6460 # endif 6461 6462 /* Showing the prompt may have set need_wait_return, reset it. */ 6463 need_wait_return = FALSE; 6464 6465 histtype = hist_char2type(cmdwin_type); 6466 if (histtype == HIST_CMD || histtype == HIST_DEBUG) 6467 { 6468 if (p_wc == TAB) 6469 { 6470 add_map((char_u *)"<buffer> <Tab> <C-X><C-V>", INSERT); 6471 add_map((char_u *)"<buffer> <Tab> a<C-X><C-V>", NORMAL); 6472 } 6473 set_option_value((char_u *)"ft", 0L, (char_u *)"vim", OPT_LOCAL); 6474 } 6475 6476 /* Reset 'textwidth' after setting 'filetype' (the Vim filetype plugin 6477 * sets 'textwidth' to 78). */ 6478 curbuf->b_p_tw = 0; 6479 6480 /* Fill the buffer with the history. */ 6481 init_history(); 6482 if (hislen > 0) 6483 { 6484 i = hisidx[histtype]; 6485 if (i >= 0) 6486 { 6487 lnum = 0; 6488 do 6489 { 6490 if (++i == hislen) 6491 i = 0; 6492 if (history[histtype][i].hisstr != NULL) 6493 ml_append(lnum++, history[histtype][i].hisstr, 6494 (colnr_T)0, FALSE); 6495 } 6496 while (i != hisidx[histtype]); 6497 } 6498 } 6499 6500 /* Replace the empty last line with the current command-line and put the 6501 * cursor there. */ 6502 ml_replace(curbuf->b_ml.ml_line_count, ccline.cmdbuff, TRUE); 6503 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 6504 curwin->w_cursor.col = ccline.cmdpos; 6505 changed_line_abv_curs(); 6506 invalidate_botline(); 6507 redraw_later(SOME_VALID); 6508 6509 /* Save the command line info, can be used recursively. */ 6510 save_ccline = ccline; 6511 ccline.cmdbuff = NULL; 6512 ccline.cmdprompt = NULL; 6513 6514 /* No Ex mode here! */ 6515 exmode_active = 0; 6516 6517 State = NORMAL; 6518 # ifdef FEAT_MOUSE 6519 setmouse(); 6520 # endif 6521 6522 # ifdef FEAT_AUTOCMD 6523 /* Trigger CmdwinEnter autocommands. */ 6524 typestr[0] = cmdwin_type; 6525 typestr[1] = NUL; 6526 apply_autocmds(EVENT_CMDWINENTER, typestr, typestr, FALSE, curbuf); 6527 if (restart_edit != 0) /* autocmd with ":startinsert" */ 6528 stuffcharReadbuff(K_NOP); 6529 # endif 6530 6531 i = RedrawingDisabled; 6532 RedrawingDisabled = 0; 6533 6534 /* 6535 * Call the main loop until <CR> or CTRL-C is typed. 6536 */ 6537 cmdwin_result = 0; 6538 main_loop(TRUE, FALSE); 6539 6540 RedrawingDisabled = i; 6541 6542 # ifdef FEAT_AUTOCMD 6543 6544 # ifdef FEAT_FOLDING 6545 save_KeyTyped = KeyTyped; 6546 # endif 6547 6548 /* Trigger CmdwinLeave autocommands. */ 6549 apply_autocmds(EVENT_CMDWINLEAVE, typestr, typestr, FALSE, curbuf); 6550 6551 # ifdef FEAT_FOLDING 6552 /* Restore KeyTyped in case it is modified by autocommands */ 6553 KeyTyped = save_KeyTyped; 6554 # endif 6555 6556 # endif 6557 6558 /* Restore the command line info. */ 6559 ccline = save_ccline; 6560 cmdwin_type = 0; 6561 6562 exmode_active = save_exmode; 6563 6564 /* Safety check: The old window or buffer was deleted: It's a bug when 6565 * this happens! */ 6566 if (!win_valid(old_curwin) || !buf_valid(old_curbuf)) 6567 { 6568 cmdwin_result = Ctrl_C; 6569 EMSG(_("E199: Active window or buffer deleted")); 6570 } 6571 else 6572 { 6573 # if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) 6574 /* autocmds may abort script processing */ 6575 if (aborting() && cmdwin_result != K_IGNORE) 6576 cmdwin_result = Ctrl_C; 6577 # endif 6578 /* Set the new command line from the cmdline buffer. */ 6579 vim_free(ccline.cmdbuff); 6580 if (cmdwin_result == K_XF1 || cmdwin_result == K_XF2) /* :qa[!] typed */ 6581 { 6582 char *p = (cmdwin_result == K_XF2) ? "qa" : "qa!"; 6583 6584 if (histtype == HIST_CMD) 6585 { 6586 /* Execute the command directly. */ 6587 ccline.cmdbuff = vim_strsave((char_u *)p); 6588 cmdwin_result = CAR; 6589 } 6590 else 6591 { 6592 /* First need to cancel what we were doing. */ 6593 ccline.cmdbuff = NULL; 6594 stuffcharReadbuff(':'); 6595 stuffReadbuff((char_u *)p); 6596 stuffcharReadbuff(CAR); 6597 } 6598 } 6599 else if (cmdwin_result == K_XF2) /* :qa typed */ 6600 { 6601 ccline.cmdbuff = vim_strsave((char_u *)"qa"); 6602 cmdwin_result = CAR; 6603 } 6604 else if (cmdwin_result == Ctrl_C) 6605 { 6606 /* :q or :close, don't execute any command 6607 * and don't modify the cmd window. */ 6608 ccline.cmdbuff = NULL; 6609 } 6610 else 6611 ccline.cmdbuff = vim_strsave(ml_get_curline()); 6612 if (ccline.cmdbuff == NULL) 6613 cmdwin_result = Ctrl_C; 6614 else 6615 { 6616 ccline.cmdlen = (int)STRLEN(ccline.cmdbuff); 6617 ccline.cmdbufflen = ccline.cmdlen + 1; 6618 ccline.cmdpos = curwin->w_cursor.col; 6619 if (ccline.cmdpos > ccline.cmdlen) 6620 ccline.cmdpos = ccline.cmdlen; 6621 if (cmdwin_result == K_IGNORE) 6622 { 6623 set_cmdspos_cursor(); 6624 redrawcmd(); 6625 } 6626 } 6627 6628 # ifdef FEAT_AUTOCMD 6629 /* Don't execute autocommands while deleting the window. */ 6630 block_autocmds(); 6631 # endif 6632 # ifdef FEAT_CONCEAL 6633 /* Avoid command-line window first character being concealed. */ 6634 curwin->w_p_cole = 0; 6635 # endif 6636 wp = curwin; 6637 bp = curbuf; 6638 win_goto(old_curwin); 6639 win_close(wp, TRUE); 6640 6641 /* win_close() may have already wiped the buffer when 'bh' is 6642 * set to 'wipe' */ 6643 if (buf_valid(bp)) 6644 close_buffer(NULL, bp, DOBUF_WIPE, FALSE); 6645 6646 /* Restore window sizes. */ 6647 win_size_restore(&winsizes); 6648 6649 # ifdef FEAT_AUTOCMD 6650 unblock_autocmds(); 6651 # endif 6652 } 6653 6654 ga_clear(&winsizes); 6655 restart_edit = save_restart_edit; 6656 # ifdef FEAT_RIGHTLEFT 6657 cmdmsg_rl = save_cmdmsg_rl; 6658 # endif 6659 6660 State = save_State; 6661 # ifdef FEAT_MOUSE 6662 setmouse(); 6663 # endif 6664 6665 return cmdwin_result; 6666 } 6667 #endif /* FEAT_CMDWIN */ 6668 6669 /* 6670 * Used for commands that either take a simple command string argument, or: 6671 * cmd << endmarker 6672 * {script} 6673 * endmarker 6674 * Returns a pointer to allocated memory with {script} or NULL. 6675 */ 6676 char_u * 6677 script_get(eap, cmd) 6678 exarg_T *eap; 6679 char_u *cmd; 6680 { 6681 char_u *theline; 6682 char *end_pattern = NULL; 6683 char dot[] = "."; 6684 garray_T ga; 6685 6686 if (cmd[0] != '<' || cmd[1] != '<' || eap->getline == NULL) 6687 return NULL; 6688 6689 ga_init2(&ga, 1, 0x400); 6690 6691 if (cmd[2] != NUL) 6692 end_pattern = (char *)skipwhite(cmd + 2); 6693 else 6694 end_pattern = dot; 6695 6696 for (;;) 6697 { 6698 theline = eap->getline( 6699 #ifdef FEAT_EVAL 6700 eap->cstack->cs_looplevel > 0 ? -1 : 6701 #endif 6702 NUL, eap->cookie, 0); 6703 6704 if (theline == NULL || STRCMP(end_pattern, theline) == 0) 6705 { 6706 vim_free(theline); 6707 break; 6708 } 6709 6710 ga_concat(&ga, theline); 6711 ga_append(&ga, '\n'); 6712 vim_free(theline); 6713 } 6714 ga_append(&ga, NUL); 6715 6716 return (char_u *)ga.ga_data; 6717 } 6718