1 /* vi:set ts=8 sts=4 sw=4 noet: 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 * ops.c: implementation of various operators: op_shift, op_delete, op_tilde, 12 * op_change, op_yank, do_put, do_join 13 */ 14 15 #include "vim.h" 16 17 /* 18 * Number of registers. 19 * 0 = unnamed register, for normal yanks and puts 20 * 1..9 = registers '1' to '9', for deletes 21 * 10..35 = registers 'a' to 'z' 22 * 36 = delete register '-' 23 * 37 = Selection register '*'. Only if FEAT_CLIPBOARD defined 24 * 38 = Clipboard register '+'. Only if FEAT_CLIPBOARD and FEAT_X11 defined 25 */ 26 /* 27 * Symbolic names for some registers. 28 */ 29 #define DELETION_REGISTER 36 30 #ifdef FEAT_CLIPBOARD 31 # define STAR_REGISTER 37 32 # ifdef FEAT_X11 33 # define PLUS_REGISTER 38 34 # else 35 # define PLUS_REGISTER STAR_REGISTER /* there is only one */ 36 # endif 37 #endif 38 #ifdef FEAT_DND 39 # define TILDE_REGISTER (PLUS_REGISTER + 1) 40 #endif 41 42 #ifdef FEAT_CLIPBOARD 43 # ifdef FEAT_DND 44 # define NUM_REGISTERS (TILDE_REGISTER + 1) 45 # else 46 # define NUM_REGISTERS (PLUS_REGISTER + 1) 47 # endif 48 #else 49 # define NUM_REGISTERS 37 50 #endif 51 52 /* 53 * Each yank register has an array of pointers to lines. 54 */ 55 typedef struct 56 { 57 char_u **y_array; /* pointer to array of line pointers */ 58 linenr_T y_size; /* number of lines in y_array */ 59 char_u y_type; /* MLINE, MCHAR or MBLOCK */ 60 colnr_T y_width; /* only set if y_type == MBLOCK */ 61 #ifdef FEAT_VIMINFO 62 time_t y_time_set; 63 #endif 64 } yankreg_T; 65 66 static yankreg_T y_regs[NUM_REGISTERS]; 67 68 static yankreg_T *y_current; /* ptr to current yankreg */ 69 static int y_append; /* TRUE when appending */ 70 static yankreg_T *y_previous = NULL; /* ptr to last written yankreg */ 71 72 /* 73 * structure used by block_prep, op_delete and op_yank for blockwise operators 74 * also op_change, op_shift, op_insert, op_replace - AKelly 75 */ 76 struct block_def 77 { 78 int startspaces; /* 'extra' cols before first char */ 79 int endspaces; /* 'extra' cols after last char */ 80 int textlen; /* chars in block */ 81 char_u *textstart; /* pointer to 1st char (partially) in block */ 82 colnr_T textcol; /* index of chars (partially) in block */ 83 colnr_T start_vcol; /* start col of 1st char wholly inside block */ 84 colnr_T end_vcol; /* start col of 1st char wholly after block */ 85 #ifdef FEAT_VISUALEXTRA 86 int is_short; /* TRUE if line is too short to fit in block */ 87 int is_MAX; /* TRUE if curswant==MAXCOL when starting */ 88 int is_oneChar; /* TRUE if block within one character */ 89 int pre_whitesp; /* screen cols of ws before block */ 90 int pre_whitesp_c; /* chars of ws before block */ 91 colnr_T end_char_vcols; /* number of vcols of post-block char */ 92 #endif 93 colnr_T start_char_vcols; /* number of vcols of pre-block char */ 94 }; 95 96 #ifdef FEAT_VISUALEXTRA 97 static void shift_block(oparg_T *oap, int amount); 98 static void block_insert(oparg_T *oap, char_u *s, int b_insert, struct block_def*bdp); 99 #endif 100 static int stuff_yank(int, char_u *); 101 static void put_reedit_in_typebuf(int silent); 102 static int put_in_typebuf(char_u *s, int esc, int colon, 103 int silent); 104 static void stuffescaped(char_u *arg, int literally); 105 #ifdef FEAT_MBYTE 106 static void mb_adjust_opend(oparg_T *oap); 107 #endif 108 static void free_yank(long); 109 static void free_yank_all(void); 110 static int yank_copy_line(struct block_def *bd, long y_idx); 111 #ifdef FEAT_CLIPBOARD 112 static void copy_yank_reg(yankreg_T *reg); 113 static void may_set_selection(void); 114 #endif 115 static void dis_msg(char_u *p, int skip_esc); 116 static void block_prep(oparg_T *oap, struct block_def *, linenr_T, int); 117 static int do_addsub(int op_type, pos_T *pos, int length, linenr_T Prenum1); 118 #if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL) 119 static void str_to_reg(yankreg_T *y_ptr, int yank_type, char_u *str, long len, long blocklen, int str_list); 120 #endif 121 static int ends_in_white(linenr_T lnum); 122 #ifdef FEAT_COMMENTS 123 static int same_leader(linenr_T lnum, int, char_u *, int, char_u *); 124 static int fmt_check_par(linenr_T, int *, char_u **, int do_comments); 125 #else 126 static int fmt_check_par(linenr_T); 127 #endif 128 129 /* 130 * The names of operators. 131 * IMPORTANT: Index must correspond with defines in vim.h!!! 132 * The third field indicates whether the operator always works on lines. 133 */ 134 static char opchars[][3] = 135 { 136 {NUL, NUL, FALSE}, /* OP_NOP */ 137 {'d', NUL, FALSE}, /* OP_DELETE */ 138 {'y', NUL, FALSE}, /* OP_YANK */ 139 {'c', NUL, FALSE}, /* OP_CHANGE */ 140 {'<', NUL, TRUE}, /* OP_LSHIFT */ 141 {'>', NUL, TRUE}, /* OP_RSHIFT */ 142 {'!', NUL, TRUE}, /* OP_FILTER */ 143 {'g', '~', FALSE}, /* OP_TILDE */ 144 {'=', NUL, TRUE}, /* OP_INDENT */ 145 {'g', 'q', TRUE}, /* OP_FORMAT */ 146 {':', NUL, TRUE}, /* OP_COLON */ 147 {'g', 'U', FALSE}, /* OP_UPPER */ 148 {'g', 'u', FALSE}, /* OP_LOWER */ 149 {'J', NUL, TRUE}, /* DO_JOIN */ 150 {'g', 'J', TRUE}, /* DO_JOIN_NS */ 151 {'g', '?', FALSE}, /* OP_ROT13 */ 152 {'r', NUL, FALSE}, /* OP_REPLACE */ 153 {'I', NUL, FALSE}, /* OP_INSERT */ 154 {'A', NUL, FALSE}, /* OP_APPEND */ 155 {'z', 'f', TRUE}, /* OP_FOLD */ 156 {'z', 'o', TRUE}, /* OP_FOLDOPEN */ 157 {'z', 'O', TRUE}, /* OP_FOLDOPENREC */ 158 {'z', 'c', TRUE}, /* OP_FOLDCLOSE */ 159 {'z', 'C', TRUE}, /* OP_FOLDCLOSEREC */ 160 {'z', 'd', TRUE}, /* OP_FOLDDEL */ 161 {'z', 'D', TRUE}, /* OP_FOLDDELREC */ 162 {'g', 'w', TRUE}, /* OP_FORMAT2 */ 163 {'g', '@', FALSE}, /* OP_FUNCTION */ 164 {Ctrl_A, NUL, FALSE}, /* OP_NR_ADD */ 165 {Ctrl_X, NUL, FALSE}, /* OP_NR_SUB */ 166 }; 167 168 /* 169 * Translate a command name into an operator type. 170 * Must only be called with a valid operator name! 171 */ 172 int 173 get_op_type(int char1, int char2) 174 { 175 int i; 176 177 if (char1 == 'r') /* ignore second character */ 178 return OP_REPLACE; 179 if (char1 == '~') /* when tilde is an operator */ 180 return OP_TILDE; 181 if (char1 == 'g' && char2 == Ctrl_A) /* add */ 182 return OP_NR_ADD; 183 if (char1 == 'g' && char2 == Ctrl_X) /* subtract */ 184 return OP_NR_SUB; 185 for (i = 0; ; ++i) 186 if (opchars[i][0] == char1 && opchars[i][1] == char2) 187 break; 188 return i; 189 } 190 191 /* 192 * Return TRUE if operator "op" always works on whole lines. 193 */ 194 int 195 op_on_lines(int op) 196 { 197 return opchars[op][2]; 198 } 199 200 /* 201 * Get first operator command character. 202 * Returns 'g' or 'z' if there is another command character. 203 */ 204 int 205 get_op_char(int optype) 206 { 207 return opchars[optype][0]; 208 } 209 210 /* 211 * Get second operator command character. 212 */ 213 int 214 get_extra_op_char(int optype) 215 { 216 return opchars[optype][1]; 217 } 218 219 /* 220 * op_shift - handle a shift operation 221 */ 222 void 223 op_shift(oparg_T *oap, int curs_top, int amount) 224 { 225 long i; 226 int first_char; 227 char_u *s; 228 int block_col = 0; 229 230 if (u_save((linenr_T)(oap->start.lnum - 1), 231 (linenr_T)(oap->end.lnum + 1)) == FAIL) 232 return; 233 234 if (oap->block_mode) 235 block_col = curwin->w_cursor.col; 236 237 for (i = oap->line_count; --i >= 0; ) 238 { 239 first_char = *ml_get_curline(); 240 if (first_char == NUL) /* empty line */ 241 curwin->w_cursor.col = 0; 242 #ifdef FEAT_VISUALEXTRA 243 else if (oap->block_mode) 244 shift_block(oap, amount); 245 #endif 246 else 247 /* Move the line right if it doesn't start with '#', 'smartindent' 248 * isn't set or 'cindent' isn't set or '#' isn't in 'cino'. */ 249 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) 250 if (first_char != '#' || !preprocs_left()) 251 #endif 252 { 253 shift_line(oap->op_type == OP_LSHIFT, p_sr, amount, FALSE); 254 } 255 ++curwin->w_cursor.lnum; 256 } 257 258 changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); 259 if (oap->block_mode) 260 { 261 curwin->w_cursor.lnum = oap->start.lnum; 262 curwin->w_cursor.col = block_col; 263 } 264 else if (curs_top) /* put cursor on first line, for ">>" */ 265 { 266 curwin->w_cursor.lnum = oap->start.lnum; 267 beginline(BL_SOL | BL_FIX); /* shift_line() may have set cursor.col */ 268 } 269 else 270 --curwin->w_cursor.lnum; /* put cursor on last line, for ":>" */ 271 272 #ifdef FEAT_FOLDING 273 /* The cursor line is not in a closed fold */ 274 foldOpenCursor(); 275 #endif 276 277 278 if (oap->line_count > p_report) 279 { 280 if (oap->op_type == OP_RSHIFT) 281 s = (char_u *)">"; 282 else 283 s = (char_u *)"<"; 284 if (oap->line_count == 1) 285 { 286 if (amount == 1) 287 sprintf((char *)IObuff, _("1 line %sed 1 time"), s); 288 else 289 sprintf((char *)IObuff, _("1 line %sed %d times"), s, amount); 290 } 291 else 292 { 293 if (amount == 1) 294 sprintf((char *)IObuff, _("%ld lines %sed 1 time"), 295 oap->line_count, s); 296 else 297 sprintf((char *)IObuff, _("%ld lines %sed %d times"), 298 oap->line_count, s, amount); 299 } 300 msg(IObuff); 301 } 302 303 /* 304 * Set "'[" and "']" marks. 305 */ 306 curbuf->b_op_start = oap->start; 307 curbuf->b_op_end.lnum = oap->end.lnum; 308 curbuf->b_op_end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); 309 if (curbuf->b_op_end.col > 0) 310 --curbuf->b_op_end.col; 311 } 312 313 /* 314 * shift the current line one shiftwidth left (if left != 0) or right 315 * leaves cursor on first blank in the line 316 */ 317 void 318 shift_line( 319 int left, 320 int round, 321 int amount, 322 int call_changed_bytes) /* call changed_bytes() */ 323 { 324 int count; 325 int i, j; 326 int p_sw = (int)get_sw_value(curbuf); 327 328 count = get_indent(); /* get current indent */ 329 330 if (round) /* round off indent */ 331 { 332 i = count / p_sw; /* number of p_sw rounded down */ 333 j = count % p_sw; /* extra spaces */ 334 if (j && left) /* first remove extra spaces */ 335 --amount; 336 if (left) 337 { 338 i -= amount; 339 if (i < 0) 340 i = 0; 341 } 342 else 343 i += amount; 344 count = i * p_sw; 345 } 346 else /* original vi indent */ 347 { 348 if (left) 349 { 350 count -= p_sw * amount; 351 if (count < 0) 352 count = 0; 353 } 354 else 355 count += p_sw * amount; 356 } 357 358 /* Set new indent */ 359 #ifdef FEAT_VREPLACE 360 if (State & VREPLACE_FLAG) 361 change_indent(INDENT_SET, count, FALSE, NUL, call_changed_bytes); 362 else 363 #endif 364 (void)set_indent(count, call_changed_bytes ? SIN_CHANGED : 0); 365 } 366 367 #if defined(FEAT_VISUALEXTRA) || defined(PROTO) 368 /* 369 * Shift one line of the current block one shiftwidth right or left. 370 * Leaves cursor on first character in block. 371 */ 372 static void 373 shift_block(oparg_T *oap, int amount) 374 { 375 int left = (oap->op_type == OP_LSHIFT); 376 int oldstate = State; 377 int total; 378 char_u *newp, *oldp; 379 int oldcol = curwin->w_cursor.col; 380 int p_sw = (int)get_sw_value(curbuf); 381 int p_ts = (int)curbuf->b_p_ts; 382 struct block_def bd; 383 int incr; 384 colnr_T ws_vcol; 385 int i = 0, j = 0; 386 int len; 387 #ifdef FEAT_RIGHTLEFT 388 int old_p_ri = p_ri; 389 390 p_ri = 0; /* don't want revins in indent */ 391 #endif 392 393 State = INSERT; /* don't want REPLACE for State */ 394 block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE); 395 if (bd.is_short) 396 return; 397 398 /* total is number of screen columns to be inserted/removed */ 399 total = (int)((unsigned)amount * (unsigned)p_sw); 400 if ((total / p_sw) != amount) 401 return; /* multiplication overflow */ 402 403 oldp = ml_get_curline(); 404 405 if (!left) 406 { 407 /* 408 * 1. Get start vcol 409 * 2. Total ws vcols 410 * 3. Divvy into TABs & spp 411 * 4. Construct new string 412 */ 413 total += bd.pre_whitesp; /* all virtual WS upto & incl a split TAB */ 414 ws_vcol = bd.start_vcol - bd.pre_whitesp; 415 if (bd.startspaces) 416 { 417 #ifdef FEAT_MBYTE 418 if (has_mbyte) 419 { 420 if ((*mb_ptr2len)(bd.textstart) == 1) 421 ++bd.textstart; 422 else 423 { 424 ws_vcol = 0; 425 bd.startspaces = 0; 426 } 427 } 428 else 429 #endif 430 ++bd.textstart; 431 } 432 for ( ; VIM_ISWHITE(*bd.textstart); ) 433 { 434 /* TODO: is passing bd.textstart for start of the line OK? */ 435 incr = lbr_chartabsize_adv(bd.textstart, &bd.textstart, 436 (colnr_T)(bd.start_vcol)); 437 total += incr; 438 bd.start_vcol += incr; 439 } 440 /* OK, now total=all the VWS reqd, and textstart points at the 1st 441 * non-ws char in the block. */ 442 if (!curbuf->b_p_et) 443 i = ((ws_vcol % p_ts) + total) / p_ts; /* number of tabs */ 444 if (i) 445 j = ((ws_vcol % p_ts) + total) % p_ts; /* number of spp */ 446 else 447 j = total; 448 /* if we're splitting a TAB, allow for it */ 449 bd.textcol -= bd.pre_whitesp_c - (bd.startspaces != 0); 450 len = (int)STRLEN(bd.textstart) + 1; 451 newp = alloc_check((unsigned)(bd.textcol + i + j + len)); 452 if (newp == NULL) 453 return; 454 vim_memset(newp, NUL, (size_t)(bd.textcol + i + j + len)); 455 mch_memmove(newp, oldp, (size_t)bd.textcol); 456 vim_memset(newp + bd.textcol, TAB, (size_t)i); 457 vim_memset(newp + bd.textcol + i, ' ', (size_t)j); 458 /* the end */ 459 mch_memmove(newp + bd.textcol + i + j, bd.textstart, (size_t)len); 460 } 461 else /* left */ 462 { 463 colnr_T destination_col; /* column to which text in block will 464 be shifted */ 465 char_u *verbatim_copy_end; /* end of the part of the line which is 466 copied verbatim */ 467 colnr_T verbatim_copy_width;/* the (displayed) width of this part 468 of line */ 469 unsigned fill; /* nr of spaces that replace a TAB */ 470 unsigned new_line_len; /* the length of the line after the 471 block shift */ 472 size_t block_space_width; 473 size_t shift_amount; 474 char_u *non_white = bd.textstart; 475 colnr_T non_white_col; 476 477 /* 478 * Firstly, let's find the first non-whitespace character that is 479 * displayed after the block's start column and the character's column 480 * number. Also, let's calculate the width of all the whitespace 481 * characters that are displayed in the block and precede the searched 482 * non-whitespace character. 483 */ 484 485 /* If "bd.startspaces" is set, "bd.textstart" points to the character, 486 * the part of which is displayed at the block's beginning. Let's start 487 * searching from the next character. */ 488 if (bd.startspaces) 489 MB_PTR_ADV(non_white); 490 491 /* The character's column is in "bd.start_vcol". */ 492 non_white_col = bd.start_vcol; 493 494 while (VIM_ISWHITE(*non_white)) 495 { 496 incr = lbr_chartabsize_adv(bd.textstart, &non_white, non_white_col); 497 non_white_col += incr; 498 } 499 500 block_space_width = non_white_col - oap->start_vcol; 501 /* We will shift by "total" or "block_space_width", whichever is less. 502 */ 503 shift_amount = (block_space_width < (size_t)total 504 ? block_space_width : (size_t)total); 505 506 /* The column to which we will shift the text. */ 507 destination_col = (colnr_T)(non_white_col - shift_amount); 508 509 /* Now let's find out how much of the beginning of the line we can 510 * reuse without modification. */ 511 verbatim_copy_end = bd.textstart; 512 verbatim_copy_width = bd.start_vcol; 513 514 /* If "bd.startspaces" is set, "bd.textstart" points to the character 515 * preceding the block. We have to subtract its width to obtain its 516 * column number. */ 517 if (bd.startspaces) 518 verbatim_copy_width -= bd.start_char_vcols; 519 while (verbatim_copy_width < destination_col) 520 { 521 char_u *line = verbatim_copy_end; 522 523 /* TODO: is passing verbatim_copy_end for start of the line OK? */ 524 incr = lbr_chartabsize(line, verbatim_copy_end, 525 verbatim_copy_width); 526 if (verbatim_copy_width + incr > destination_col) 527 break; 528 verbatim_copy_width += incr; 529 MB_PTR_ADV(verbatim_copy_end); 530 } 531 532 /* If "destination_col" is different from the width of the initial 533 * part of the line that will be copied, it means we encountered a tab 534 * character, which we will have to partly replace with spaces. */ 535 fill = destination_col - verbatim_copy_width; 536 537 /* The replacement line will consist of: 538 * - the beginning of the original line up to "verbatim_copy_end", 539 * - "fill" number of spaces, 540 * - the rest of the line, pointed to by non_white. */ 541 new_line_len = (unsigned)(verbatim_copy_end - oldp) 542 + fill 543 + (unsigned)STRLEN(non_white) + 1; 544 545 newp = alloc_check(new_line_len); 546 if (newp == NULL) 547 return; 548 mch_memmove(newp, oldp, (size_t)(verbatim_copy_end - oldp)); 549 vim_memset(newp + (verbatim_copy_end - oldp), ' ', (size_t)fill); 550 STRMOVE(newp + (verbatim_copy_end - oldp) + fill, non_white); 551 } 552 /* replace the line */ 553 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 554 changed_bytes(curwin->w_cursor.lnum, (colnr_T)bd.textcol); 555 State = oldstate; 556 curwin->w_cursor.col = oldcol; 557 #ifdef FEAT_RIGHTLEFT 558 p_ri = old_p_ri; 559 #endif 560 } 561 #endif 562 563 #ifdef FEAT_VISUALEXTRA 564 /* 565 * Insert string "s" (b_insert ? before : after) block :AKelly 566 * Caller must prepare for undo. 567 */ 568 static void 569 block_insert( 570 oparg_T *oap, 571 char_u *s, 572 int b_insert, 573 struct block_def *bdp) 574 { 575 int p_ts; 576 int count = 0; /* extra spaces to replace a cut TAB */ 577 int spaces = 0; /* non-zero if cutting a TAB */ 578 colnr_T offset; /* pointer along new line */ 579 unsigned s_len; /* STRLEN(s) */ 580 char_u *newp, *oldp; /* new, old lines */ 581 linenr_T lnum; /* loop var */ 582 int oldstate = State; 583 584 State = INSERT; /* don't want REPLACE for State */ 585 s_len = (unsigned)STRLEN(s); 586 587 for (lnum = oap->start.lnum + 1; lnum <= oap->end.lnum; lnum++) 588 { 589 block_prep(oap, bdp, lnum, TRUE); 590 if (bdp->is_short && b_insert) 591 continue; /* OP_INSERT, line ends before block start */ 592 593 oldp = ml_get(lnum); 594 595 if (b_insert) 596 { 597 p_ts = bdp->start_char_vcols; 598 spaces = bdp->startspaces; 599 if (spaces != 0) 600 count = p_ts - 1; /* we're cutting a TAB */ 601 offset = bdp->textcol; 602 } 603 else /* append */ 604 { 605 p_ts = bdp->end_char_vcols; 606 if (!bdp->is_short) /* spaces = padding after block */ 607 { 608 spaces = (bdp->endspaces ? p_ts - bdp->endspaces : 0); 609 if (spaces != 0) 610 count = p_ts - 1; /* we're cutting a TAB */ 611 offset = bdp->textcol + bdp->textlen - (spaces != 0); 612 } 613 else /* spaces = padding to block edge */ 614 { 615 /* if $ used, just append to EOL (ie spaces==0) */ 616 if (!bdp->is_MAX) 617 spaces = (oap->end_vcol - bdp->end_vcol) + 1; 618 count = spaces; 619 offset = bdp->textcol + bdp->textlen; 620 } 621 } 622 623 #ifdef FEAT_MBYTE 624 if (has_mbyte && spaces > 0) 625 { 626 int off; 627 628 /* Avoid starting halfway a multi-byte character. */ 629 if (b_insert) 630 { 631 off = (*mb_head_off)(oldp, oldp + offset + spaces); 632 } 633 else 634 { 635 off = (*mb_off_next)(oldp, oldp + offset); 636 offset += off; 637 } 638 spaces -= off; 639 count -= off; 640 } 641 #endif 642 643 newp = alloc_check((unsigned)(STRLEN(oldp)) + s_len + count + 1); 644 if (newp == NULL) 645 continue; 646 647 /* copy up to shifted part */ 648 mch_memmove(newp, oldp, (size_t)(offset)); 649 oldp += offset; 650 651 /* insert pre-padding */ 652 vim_memset(newp + offset, ' ', (size_t)spaces); 653 654 /* copy the new text */ 655 mch_memmove(newp + offset + spaces, s, (size_t)s_len); 656 offset += s_len; 657 658 if (spaces && !bdp->is_short) 659 { 660 /* insert post-padding */ 661 vim_memset(newp + offset + spaces, ' ', (size_t)(p_ts - spaces)); 662 /* We're splitting a TAB, don't copy it. */ 663 oldp++; 664 /* We allowed for that TAB, remember this now */ 665 count++; 666 } 667 668 if (spaces > 0) 669 offset += count; 670 STRMOVE(newp + offset, oldp); 671 672 ml_replace(lnum, newp, FALSE); 673 674 if (lnum == oap->end.lnum) 675 { 676 /* Set "']" mark to the end of the block instead of the end of 677 * the insert in the first line. */ 678 curbuf->b_op_end.lnum = oap->end.lnum; 679 curbuf->b_op_end.col = offset; 680 } 681 } /* for all lnum */ 682 683 changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); 684 685 State = oldstate; 686 } 687 #endif 688 689 #if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO) 690 /* 691 * op_reindent - handle reindenting a block of lines. 692 */ 693 void 694 op_reindent(oparg_T *oap, int (*how)(void)) 695 { 696 long i; 697 char_u *l; 698 int amount; 699 linenr_T first_changed = 0; 700 linenr_T last_changed = 0; 701 linenr_T start_lnum = curwin->w_cursor.lnum; 702 703 /* Don't even try when 'modifiable' is off. */ 704 if (!curbuf->b_p_ma) 705 { 706 EMSG(_(e_modifiable)); 707 return; 708 } 709 710 for (i = oap->line_count; --i >= 0 && !got_int; ) 711 { 712 /* it's a slow thing to do, so give feedback so there's no worry that 713 * the computer's just hung. */ 714 715 if (i > 1 716 && (i % 50 == 0 || i == oap->line_count - 1) 717 && oap->line_count > p_report) 718 smsg((char_u *)_("%ld lines to indent... "), i); 719 720 /* 721 * Be vi-compatible: For lisp indenting the first line is not 722 * indented, unless there is only one line. 723 */ 724 #ifdef FEAT_LISP 725 if (i != oap->line_count - 1 || oap->line_count == 1 726 || how != get_lisp_indent) 727 #endif 728 { 729 l = skipwhite(ml_get_curline()); 730 if (*l == NUL) /* empty or blank line */ 731 amount = 0; 732 else 733 amount = how(); /* get the indent for this line */ 734 735 if (amount >= 0 && set_indent(amount, SIN_UNDO)) 736 { 737 /* did change the indent, call changed_lines() later */ 738 if (first_changed == 0) 739 first_changed = curwin->w_cursor.lnum; 740 last_changed = curwin->w_cursor.lnum; 741 } 742 } 743 ++curwin->w_cursor.lnum; 744 curwin->w_cursor.col = 0; /* make sure it's valid */ 745 } 746 747 /* put cursor on first non-blank of indented line */ 748 curwin->w_cursor.lnum = start_lnum; 749 beginline(BL_SOL | BL_FIX); 750 751 /* Mark changed lines so that they will be redrawn. When Visual 752 * highlighting was present, need to continue until the last line. When 753 * there is no change still need to remove the Visual highlighting. */ 754 if (last_changed != 0) 755 changed_lines(first_changed, 0, 756 oap->is_VIsual ? start_lnum + oap->line_count : 757 last_changed + 1, 0L); 758 else if (oap->is_VIsual) 759 redraw_curbuf_later(INVERTED); 760 761 if (oap->line_count > p_report) 762 { 763 i = oap->line_count - (i + 1); 764 if (i == 1) 765 MSG(_("1 line indented ")); 766 else 767 smsg((char_u *)_("%ld lines indented "), i); 768 } 769 /* set '[ and '] marks */ 770 curbuf->b_op_start = oap->start; 771 curbuf->b_op_end = oap->end; 772 } 773 #endif /* defined(FEAT_LISP) || defined(FEAT_CINDENT) */ 774 775 #if defined(FEAT_EVAL) || defined(PROTO) 776 /* 777 * Keep the last expression line here, for repeating. 778 */ 779 static char_u *expr_line = NULL; 780 781 /* 782 * Get an expression for the "\"=expr1" or "CTRL-R =expr1" 783 * Returns '=' when OK, NUL otherwise. 784 */ 785 int 786 get_expr_register(void) 787 { 788 char_u *new_line; 789 790 new_line = getcmdline('=', 0L, 0); 791 if (new_line == NULL) 792 return NUL; 793 if (*new_line == NUL) /* use previous line */ 794 vim_free(new_line); 795 else 796 set_expr_line(new_line); 797 return '='; 798 } 799 800 /* 801 * Set the expression for the '=' register. 802 * Argument must be an allocated string. 803 */ 804 void 805 set_expr_line(char_u *new_line) 806 { 807 vim_free(expr_line); 808 expr_line = new_line; 809 } 810 811 /* 812 * Get the result of the '=' register expression. 813 * Returns a pointer to allocated memory, or NULL for failure. 814 */ 815 char_u * 816 get_expr_line(void) 817 { 818 char_u *expr_copy; 819 char_u *rv; 820 static int nested = 0; 821 822 if (expr_line == NULL) 823 return NULL; 824 825 /* Make a copy of the expression, because evaluating it may cause it to be 826 * changed. */ 827 expr_copy = vim_strsave(expr_line); 828 if (expr_copy == NULL) 829 return NULL; 830 831 /* When we are invoked recursively limit the evaluation to 10 levels. 832 * Then return the string as-is. */ 833 if (nested >= 10) 834 return expr_copy; 835 836 ++nested; 837 rv = eval_to_string(expr_copy, NULL, TRUE); 838 --nested; 839 vim_free(expr_copy); 840 return rv; 841 } 842 843 /* 844 * Get the '=' register expression itself, without evaluating it. 845 */ 846 char_u * 847 get_expr_line_src(void) 848 { 849 if (expr_line == NULL) 850 return NULL; 851 return vim_strsave(expr_line); 852 } 853 #endif /* FEAT_EVAL */ 854 855 /* 856 * Check if 'regname' is a valid name of a yank register. 857 * Note: There is no check for 0 (default register), caller should do this 858 */ 859 int 860 valid_yank_reg( 861 int regname, 862 int writing) /* if TRUE check for writable registers */ 863 { 864 if ( (regname > 0 && ASCII_ISALNUM(regname)) 865 || (!writing && vim_strchr((char_u *) 866 #ifdef FEAT_EVAL 867 "/.%:=" 868 #else 869 "/.%:" 870 #endif 871 , regname) != NULL) 872 || regname == '#' 873 || regname == '"' 874 || regname == '-' 875 || regname == '_' 876 #ifdef FEAT_CLIPBOARD 877 || regname == '*' 878 || regname == '+' 879 #endif 880 #ifdef FEAT_DND 881 || (!writing && regname == '~') 882 #endif 883 ) 884 return TRUE; 885 return FALSE; 886 } 887 888 /* 889 * Set y_current and y_append, according to the value of "regname". 890 * Cannot handle the '_' register. 891 * Must only be called with a valid register name! 892 * 893 * If regname is 0 and writing, use register 0 894 * If regname is 0 and reading, use previous register 895 */ 896 void 897 get_yank_register(int regname, int writing) 898 { 899 int i; 900 901 y_append = FALSE; 902 if ((regname == 0 || regname == '"') && !writing && y_previous != NULL) 903 { 904 y_current = y_previous; 905 return; 906 } 907 i = regname; 908 if (VIM_ISDIGIT(i)) 909 i -= '0'; 910 else if (ASCII_ISLOWER(i)) 911 i = CharOrdLow(i) + 10; 912 else if (ASCII_ISUPPER(i)) 913 { 914 i = CharOrdUp(i) + 10; 915 y_append = TRUE; 916 } 917 else if (regname == '-') 918 i = DELETION_REGISTER; 919 #ifdef FEAT_CLIPBOARD 920 /* When selection is not available, use register 0 instead of '*' */ 921 else if (clip_star.available && regname == '*') 922 i = STAR_REGISTER; 923 /* When clipboard is not available, use register 0 instead of '+' */ 924 else if (clip_plus.available && regname == '+') 925 i = PLUS_REGISTER; 926 #endif 927 #ifdef FEAT_DND 928 else if (!writing && regname == '~') 929 i = TILDE_REGISTER; 930 #endif 931 else /* not 0-9, a-z, A-Z or '-': use register 0 */ 932 i = 0; 933 y_current = &(y_regs[i]); 934 if (writing) /* remember the register we write into for do_put() */ 935 y_previous = y_current; 936 } 937 938 #if defined(FEAT_CLIPBOARD) || defined(PROTO) 939 /* 940 * When "regname" is a clipboard register, obtain the selection. If it's not 941 * available return zero, otherwise return "regname". 942 */ 943 int 944 may_get_selection(int regname) 945 { 946 if (regname == '*') 947 { 948 if (!clip_star.available) 949 regname = 0; 950 else 951 clip_get_selection(&clip_star); 952 } 953 else if (regname == '+') 954 { 955 if (!clip_plus.available) 956 regname = 0; 957 else 958 clip_get_selection(&clip_plus); 959 } 960 return regname; 961 } 962 #endif 963 964 /* 965 * Obtain the contents of a "normal" register. The register is made empty. 966 * The returned pointer has allocated memory, use put_register() later. 967 */ 968 void * 969 get_register( 970 int name, 971 int copy) /* make a copy, if FALSE make register empty. */ 972 { 973 yankreg_T *reg; 974 int i; 975 976 #ifdef FEAT_CLIPBOARD 977 /* When Visual area changed, may have to update selection. Obtain the 978 * selection too. */ 979 if (name == '*' && clip_star.available) 980 { 981 if (clip_isautosel_star()) 982 clip_update_selection(&clip_star); 983 may_get_selection(name); 984 } 985 if (name == '+' && clip_plus.available) 986 { 987 if (clip_isautosel_plus()) 988 clip_update_selection(&clip_plus); 989 may_get_selection(name); 990 } 991 #endif 992 993 get_yank_register(name, 0); 994 reg = (yankreg_T *)alloc((unsigned)sizeof(yankreg_T)); 995 if (reg != NULL) 996 { 997 *reg = *y_current; 998 if (copy) 999 { 1000 /* If we run out of memory some or all of the lines are empty. */ 1001 if (reg->y_size == 0) 1002 reg->y_array = NULL; 1003 else 1004 reg->y_array = (char_u **)alloc((unsigned)(sizeof(char_u *) 1005 * reg->y_size)); 1006 if (reg->y_array != NULL) 1007 { 1008 for (i = 0; i < reg->y_size; ++i) 1009 reg->y_array[i] = vim_strsave(y_current->y_array[i]); 1010 } 1011 } 1012 else 1013 y_current->y_array = NULL; 1014 } 1015 return (void *)reg; 1016 } 1017 1018 /* 1019 * Put "reg" into register "name". Free any previous contents and "reg". 1020 */ 1021 void 1022 put_register(int name, void *reg) 1023 { 1024 get_yank_register(name, 0); 1025 free_yank_all(); 1026 *y_current = *(yankreg_T *)reg; 1027 vim_free(reg); 1028 1029 #ifdef FEAT_CLIPBOARD 1030 /* Send text written to clipboard register to the clipboard. */ 1031 may_set_selection(); 1032 #endif 1033 } 1034 1035 void 1036 free_register(void *reg) 1037 { 1038 yankreg_T tmp; 1039 1040 tmp = *y_current; 1041 *y_current = *(yankreg_T *)reg; 1042 free_yank_all(); 1043 vim_free(reg); 1044 *y_current = tmp; 1045 } 1046 1047 #if defined(FEAT_MOUSE) || defined(PROTO) 1048 /* 1049 * return TRUE if the current yank register has type MLINE 1050 */ 1051 int 1052 yank_register_mline(int regname) 1053 { 1054 if (regname != 0 && !valid_yank_reg(regname, FALSE)) 1055 return FALSE; 1056 if (regname == '_') /* black hole is always empty */ 1057 return FALSE; 1058 get_yank_register(regname, FALSE); 1059 return (y_current->y_type == MLINE); 1060 } 1061 #endif 1062 1063 /* 1064 * Start or stop recording into a yank register. 1065 * 1066 * Return FAIL for failure, OK otherwise. 1067 */ 1068 int 1069 do_record(int c) 1070 { 1071 char_u *p; 1072 static int regname; 1073 yankreg_T *old_y_previous, *old_y_current; 1074 int retval; 1075 1076 if (Recording == FALSE) /* start recording */ 1077 { 1078 /* registers 0-9, a-z and " are allowed */ 1079 if (c < 0 || (!ASCII_ISALNUM(c) && c != '"')) 1080 retval = FAIL; 1081 else 1082 { 1083 Recording = c; 1084 showmode(); 1085 regname = c; 1086 retval = OK; 1087 } 1088 } 1089 else /* stop recording */ 1090 { 1091 /* 1092 * Get the recorded key hits. K_SPECIAL and CSI will be escaped, this 1093 * needs to be removed again to put it in a register. exec_reg then 1094 * adds the escaping back later. 1095 */ 1096 Recording = FALSE; 1097 MSG(""); 1098 p = get_recorded(); 1099 if (p == NULL) 1100 retval = FAIL; 1101 else 1102 { 1103 /* Remove escaping for CSI and K_SPECIAL in multi-byte chars. */ 1104 vim_unescape_csi(p); 1105 1106 /* 1107 * We don't want to change the default register here, so save and 1108 * restore the current register name. 1109 */ 1110 old_y_previous = y_previous; 1111 old_y_current = y_current; 1112 1113 retval = stuff_yank(regname, p); 1114 1115 y_previous = old_y_previous; 1116 y_current = old_y_current; 1117 } 1118 } 1119 return retval; 1120 } 1121 1122 /* 1123 * Stuff string "p" into yank register "regname" as a single line (append if 1124 * uppercase). "p" must have been alloced. 1125 * 1126 * return FAIL for failure, OK otherwise 1127 */ 1128 static int 1129 stuff_yank(int regname, char_u *p) 1130 { 1131 char_u *lp; 1132 char_u **pp; 1133 1134 /* check for read-only register */ 1135 if (regname != 0 && !valid_yank_reg(regname, TRUE)) 1136 { 1137 vim_free(p); 1138 return FAIL; 1139 } 1140 if (regname == '_') /* black hole: don't do anything */ 1141 { 1142 vim_free(p); 1143 return OK; 1144 } 1145 get_yank_register(regname, TRUE); 1146 if (y_append && y_current->y_array != NULL) 1147 { 1148 pp = &(y_current->y_array[y_current->y_size - 1]); 1149 lp = lalloc((long_u)(STRLEN(*pp) + STRLEN(p) + 1), TRUE); 1150 if (lp == NULL) 1151 { 1152 vim_free(p); 1153 return FAIL; 1154 } 1155 STRCPY(lp, *pp); 1156 STRCAT(lp, p); 1157 vim_free(p); 1158 vim_free(*pp); 1159 *pp = lp; 1160 } 1161 else 1162 { 1163 free_yank_all(); 1164 if ((y_current->y_array = 1165 (char_u **)alloc((unsigned)sizeof(char_u *))) == NULL) 1166 { 1167 vim_free(p); 1168 return FAIL; 1169 } 1170 y_current->y_array[0] = p; 1171 y_current->y_size = 1; 1172 y_current->y_type = MCHAR; /* used to be MLINE, why? */ 1173 #ifdef FEAT_VIMINFO 1174 y_current->y_time_set = vim_time(); 1175 #endif 1176 } 1177 return OK; 1178 } 1179 1180 static int execreg_lastc = NUL; 1181 1182 /* 1183 * Execute a yank register: copy it into the stuff buffer. 1184 * 1185 * Return FAIL for failure, OK otherwise. 1186 */ 1187 int 1188 do_execreg( 1189 int regname, 1190 int colon, /* insert ':' before each line */ 1191 int addcr, /* always add '\n' to end of line */ 1192 int silent) /* set "silent" flag in typeahead buffer */ 1193 { 1194 long i; 1195 char_u *p; 1196 int retval = OK; 1197 int remap; 1198 1199 if (regname == '@') /* repeat previous one */ 1200 { 1201 if (execreg_lastc == NUL) 1202 { 1203 EMSG(_("E748: No previously used register")); 1204 return FAIL; 1205 } 1206 regname = execreg_lastc; 1207 } 1208 /* check for valid regname */ 1209 if (regname == '%' || regname == '#' || !valid_yank_reg(regname, FALSE)) 1210 { 1211 emsg_invreg(regname); 1212 return FAIL; 1213 } 1214 execreg_lastc = regname; 1215 1216 #ifdef FEAT_CLIPBOARD 1217 regname = may_get_selection(regname); 1218 #endif 1219 1220 if (regname == '_') /* black hole: don't stuff anything */ 1221 return OK; 1222 1223 #ifdef FEAT_CMDHIST 1224 if (regname == ':') /* use last command line */ 1225 { 1226 if (last_cmdline == NULL) 1227 { 1228 EMSG(_(e_nolastcmd)); 1229 return FAIL; 1230 } 1231 vim_free(new_last_cmdline); /* don't keep the cmdline containing @: */ 1232 new_last_cmdline = NULL; 1233 /* Escape all control characters with a CTRL-V */ 1234 p = vim_strsave_escaped_ext(last_cmdline, 1235 (char_u *)"\001\002\003\004\005\006\007\010\011\012\013\014\015\016\017\020\021\022\023\024\025\026\027\030\031\032\033\034\035\036\037", Ctrl_V, FALSE); 1236 if (p != NULL) 1237 { 1238 /* When in Visual mode "'<,'>" will be prepended to the command. 1239 * Remove it when it's already there. */ 1240 if (VIsual_active && STRNCMP(p, "'<,'>", 5) == 0) 1241 retval = put_in_typebuf(p + 5, TRUE, TRUE, silent); 1242 else 1243 retval = put_in_typebuf(p, TRUE, TRUE, silent); 1244 } 1245 vim_free(p); 1246 } 1247 #endif 1248 #ifdef FEAT_EVAL 1249 else if (regname == '=') 1250 { 1251 p = get_expr_line(); 1252 if (p == NULL) 1253 return FAIL; 1254 retval = put_in_typebuf(p, TRUE, colon, silent); 1255 vim_free(p); 1256 } 1257 #endif 1258 else if (regname == '.') /* use last inserted text */ 1259 { 1260 p = get_last_insert_save(); 1261 if (p == NULL) 1262 { 1263 EMSG(_(e_noinstext)); 1264 return FAIL; 1265 } 1266 retval = put_in_typebuf(p, FALSE, colon, silent); 1267 vim_free(p); 1268 } 1269 else 1270 { 1271 get_yank_register(regname, FALSE); 1272 if (y_current->y_array == NULL) 1273 return FAIL; 1274 1275 /* Disallow remaping for ":@r". */ 1276 remap = colon ? REMAP_NONE : REMAP_YES; 1277 1278 /* 1279 * Insert lines into typeahead buffer, from last one to first one. 1280 */ 1281 put_reedit_in_typebuf(silent); 1282 for (i = y_current->y_size; --i >= 0; ) 1283 { 1284 char_u *escaped; 1285 1286 /* insert NL between lines and after last line if type is MLINE */ 1287 if (y_current->y_type == MLINE || i < y_current->y_size - 1 1288 || addcr) 1289 { 1290 if (ins_typebuf((char_u *)"\n", remap, 0, TRUE, silent) == FAIL) 1291 return FAIL; 1292 } 1293 escaped = vim_strsave_escape_csi(y_current->y_array[i]); 1294 if (escaped == NULL) 1295 return FAIL; 1296 retval = ins_typebuf(escaped, remap, 0, TRUE, silent); 1297 vim_free(escaped); 1298 if (retval == FAIL) 1299 return FAIL; 1300 if (colon && ins_typebuf((char_u *)":", remap, 0, TRUE, silent) 1301 == FAIL) 1302 return FAIL; 1303 } 1304 Exec_reg = TRUE; /* disable the 'q' command */ 1305 } 1306 return retval; 1307 } 1308 1309 /* 1310 * If "restart_edit" is not zero, put it in the typeahead buffer, so that it's 1311 * used only after other typeahead has been processed. 1312 */ 1313 static void 1314 put_reedit_in_typebuf(int silent) 1315 { 1316 char_u buf[3]; 1317 1318 if (restart_edit != NUL) 1319 { 1320 if (restart_edit == 'V') 1321 { 1322 buf[0] = 'g'; 1323 buf[1] = 'R'; 1324 buf[2] = NUL; 1325 } 1326 else 1327 { 1328 buf[0] = restart_edit == 'I' ? 'i' : restart_edit; 1329 buf[1] = NUL; 1330 } 1331 if (ins_typebuf(buf, REMAP_NONE, 0, TRUE, silent) == OK) 1332 restart_edit = NUL; 1333 } 1334 } 1335 1336 /* 1337 * Insert register contents "s" into the typeahead buffer, so that it will be 1338 * executed again. 1339 * When "esc" is TRUE it is to be taken literally: Escape CSI characters and 1340 * no remapping. 1341 */ 1342 static int 1343 put_in_typebuf( 1344 char_u *s, 1345 int esc, 1346 int colon, /* add ':' before the line */ 1347 int silent) 1348 { 1349 int retval = OK; 1350 1351 put_reedit_in_typebuf(silent); 1352 if (colon) 1353 retval = ins_typebuf((char_u *)"\n", REMAP_NONE, 0, TRUE, silent); 1354 if (retval == OK) 1355 { 1356 char_u *p; 1357 1358 if (esc) 1359 p = vim_strsave_escape_csi(s); 1360 else 1361 p = s; 1362 if (p == NULL) 1363 retval = FAIL; 1364 else 1365 retval = ins_typebuf(p, esc ? REMAP_NONE : REMAP_YES, 1366 0, TRUE, silent); 1367 if (esc) 1368 vim_free(p); 1369 } 1370 if (colon && retval == OK) 1371 retval = ins_typebuf((char_u *)":", REMAP_NONE, 0, TRUE, silent); 1372 return retval; 1373 } 1374 1375 /* 1376 * Insert a yank register: copy it into the Read buffer. 1377 * Used by CTRL-R command and middle mouse button in insert mode. 1378 * 1379 * return FAIL for failure, OK otherwise 1380 */ 1381 int 1382 insert_reg( 1383 int regname, 1384 int literally) /* insert literally, not as if typed */ 1385 { 1386 long i; 1387 int retval = OK; 1388 char_u *arg; 1389 int allocated; 1390 1391 /* 1392 * It is possible to get into an endless loop by having CTRL-R a in 1393 * register a and then, in insert mode, doing CTRL-R a. 1394 * If you hit CTRL-C, the loop will be broken here. 1395 */ 1396 ui_breakcheck(); 1397 if (got_int) 1398 return FAIL; 1399 1400 /* check for valid regname */ 1401 if (regname != NUL && !valid_yank_reg(regname, FALSE)) 1402 return FAIL; 1403 1404 #ifdef FEAT_CLIPBOARD 1405 regname = may_get_selection(regname); 1406 #endif 1407 1408 if (regname == '.') /* insert last inserted text */ 1409 retval = stuff_inserted(NUL, 1L, TRUE); 1410 else if (get_spec_reg(regname, &arg, &allocated, TRUE)) 1411 { 1412 if (arg == NULL) 1413 return FAIL; 1414 stuffescaped(arg, literally); 1415 if (allocated) 1416 vim_free(arg); 1417 } 1418 else /* name or number register */ 1419 { 1420 get_yank_register(regname, FALSE); 1421 if (y_current->y_array == NULL) 1422 retval = FAIL; 1423 else 1424 { 1425 for (i = 0; i < y_current->y_size; ++i) 1426 { 1427 stuffescaped(y_current->y_array[i], literally); 1428 /* 1429 * Insert a newline between lines and after last line if 1430 * y_type is MLINE. 1431 */ 1432 if (y_current->y_type == MLINE || i < y_current->y_size - 1) 1433 stuffcharReadbuff('\n'); 1434 } 1435 } 1436 } 1437 1438 return retval; 1439 } 1440 1441 /* 1442 * Stuff a string into the typeahead buffer, such that edit() will insert it 1443 * literally ("literally" TRUE) or interpret is as typed characters. 1444 */ 1445 static void 1446 stuffescaped(char_u *arg, int literally) 1447 { 1448 int c; 1449 char_u *start; 1450 1451 while (*arg != NUL) 1452 { 1453 /* Stuff a sequence of normal ASCII characters, that's fast. Also 1454 * stuff K_SPECIAL to get the effect of a special key when "literally" 1455 * is TRUE. */ 1456 start = arg; 1457 while ((*arg >= ' ' 1458 #ifndef EBCDIC 1459 && *arg < DEL /* EBCDIC: chars above space are normal */ 1460 #endif 1461 ) 1462 || (*arg == K_SPECIAL && !literally)) 1463 ++arg; 1464 if (arg > start) 1465 stuffReadbuffLen(start, (long)(arg - start)); 1466 1467 /* stuff a single special character */ 1468 if (*arg != NUL) 1469 { 1470 #ifdef FEAT_MBYTE 1471 if (has_mbyte) 1472 c = mb_cptr2char_adv(&arg); 1473 else 1474 #endif 1475 c = *arg++; 1476 if (literally && ((c < ' ' && c != TAB) || c == DEL)) 1477 stuffcharReadbuff(Ctrl_V); 1478 stuffcharReadbuff(c); 1479 } 1480 } 1481 } 1482 1483 /* 1484 * If "regname" is a special register, return TRUE and store a pointer to its 1485 * value in "argp". 1486 */ 1487 int 1488 get_spec_reg( 1489 int regname, 1490 char_u **argp, 1491 int *allocated, /* return: TRUE when value was allocated */ 1492 int errmsg) /* give error message when failing */ 1493 { 1494 int cnt; 1495 1496 *argp = NULL; 1497 *allocated = FALSE; 1498 switch (regname) 1499 { 1500 case '%': /* file name */ 1501 if (errmsg) 1502 check_fname(); /* will give emsg if not set */ 1503 *argp = curbuf->b_fname; 1504 return TRUE; 1505 1506 case '#': /* alternate file name */ 1507 *argp = getaltfname(errmsg); /* may give emsg if not set */ 1508 return TRUE; 1509 1510 #ifdef FEAT_EVAL 1511 case '=': /* result of expression */ 1512 *argp = get_expr_line(); 1513 *allocated = TRUE; 1514 return TRUE; 1515 #endif 1516 1517 case ':': /* last command line */ 1518 if (last_cmdline == NULL && errmsg) 1519 EMSG(_(e_nolastcmd)); 1520 *argp = last_cmdline; 1521 return TRUE; 1522 1523 case '/': /* last search-pattern */ 1524 if (last_search_pat() == NULL && errmsg) 1525 EMSG(_(e_noprevre)); 1526 *argp = last_search_pat(); 1527 return TRUE; 1528 1529 case '.': /* last inserted text */ 1530 *argp = get_last_insert_save(); 1531 *allocated = TRUE; 1532 if (*argp == NULL && errmsg) 1533 EMSG(_(e_noinstext)); 1534 return TRUE; 1535 1536 #ifdef FEAT_SEARCHPATH 1537 case Ctrl_F: /* Filename under cursor */ 1538 case Ctrl_P: /* Path under cursor, expand via "path" */ 1539 if (!errmsg) 1540 return FALSE; 1541 *argp = file_name_at_cursor(FNAME_MESS | FNAME_HYP 1542 | (regname == Ctrl_P ? FNAME_EXP : 0), 1L, NULL); 1543 *allocated = TRUE; 1544 return TRUE; 1545 #endif 1546 1547 case Ctrl_W: /* word under cursor */ 1548 case Ctrl_A: /* WORD (mnemonic All) under cursor */ 1549 if (!errmsg) 1550 return FALSE; 1551 cnt = find_ident_under_cursor(argp, regname == Ctrl_W 1552 ? (FIND_IDENT|FIND_STRING) : FIND_STRING); 1553 *argp = cnt ? vim_strnsave(*argp, cnt) : NULL; 1554 *allocated = TRUE; 1555 return TRUE; 1556 1557 case '_': /* black hole: always empty */ 1558 *argp = (char_u *)""; 1559 return TRUE; 1560 } 1561 1562 return FALSE; 1563 } 1564 1565 /* 1566 * Paste a yank register into the command line. 1567 * Only for non-special registers. 1568 * Used by CTRL-R command in command-line mode 1569 * insert_reg() can't be used here, because special characters from the 1570 * register contents will be interpreted as commands. 1571 * 1572 * return FAIL for failure, OK otherwise 1573 */ 1574 int 1575 cmdline_paste_reg( 1576 int regname, 1577 int literally, /* Insert text literally instead of "as typed" */ 1578 int remcr) /* don't add CR characters */ 1579 { 1580 long i; 1581 1582 get_yank_register(regname, FALSE); 1583 if (y_current->y_array == NULL) 1584 return FAIL; 1585 1586 for (i = 0; i < y_current->y_size; ++i) 1587 { 1588 cmdline_paste_str(y_current->y_array[i], literally); 1589 1590 /* Insert ^M between lines and after last line if type is MLINE. 1591 * Don't do this when "remcr" is TRUE. */ 1592 if ((y_current->y_type == MLINE || i < y_current->y_size - 1) && !remcr) 1593 cmdline_paste_str((char_u *)"\r", literally); 1594 1595 /* Check for CTRL-C, in case someone tries to paste a few thousand 1596 * lines and gets bored. */ 1597 ui_breakcheck(); 1598 if (got_int) 1599 return FAIL; 1600 } 1601 return OK; 1602 } 1603 1604 #if defined(FEAT_CLIPBOARD) || defined(PROTO) 1605 /* 1606 * Adjust the register name pointed to with "rp" for the clipboard being 1607 * used always and the clipboard being available. 1608 */ 1609 void 1610 adjust_clip_reg(int *rp) 1611 { 1612 /* If no reg. specified, and "unnamed" or "unnamedplus" is in 'clipboard', 1613 * use '*' or '+' reg, respectively. "unnamedplus" prevails. */ 1614 if (*rp == 0 && (clip_unnamed != 0 || clip_unnamed_saved != 0)) 1615 { 1616 if (clip_unnamed != 0) 1617 *rp = ((clip_unnamed & CLIP_UNNAMED_PLUS) && clip_plus.available) 1618 ? '+' : '*'; 1619 else 1620 *rp = ((clip_unnamed_saved & CLIP_UNNAMED_PLUS) && clip_plus.available) 1621 ? '+' : '*'; 1622 } 1623 if (!clip_star.available && *rp == '*') 1624 *rp = 0; 1625 if (!clip_plus.available && *rp == '+') 1626 *rp = 0; 1627 } 1628 #endif 1629 1630 /* 1631 * Shift the delete registers: "9 is cleared, "8 becomes "9, etc. 1632 */ 1633 void 1634 shift_delete_registers() 1635 { 1636 int n; 1637 1638 y_current = &y_regs[9]; 1639 free_yank_all(); /* free register nine */ 1640 for (n = 9; n > 1; --n) 1641 y_regs[n] = y_regs[n - 1]; 1642 y_current = &y_regs[1]; 1643 if (!y_append) 1644 y_previous = y_current; 1645 y_regs[1].y_array = NULL; /* set register one to empty */ 1646 } 1647 1648 /* 1649 * Handle a delete operation. 1650 * 1651 * Return FAIL if undo failed, OK otherwise. 1652 */ 1653 int 1654 op_delete(oparg_T *oap) 1655 { 1656 int n; 1657 linenr_T lnum; 1658 char_u *ptr; 1659 char_u *newp, *oldp; 1660 struct block_def bd; 1661 linenr_T old_lcount = curbuf->b_ml.ml_line_count; 1662 int did_yank = FALSE; 1663 int orig_regname = oap->regname; 1664 1665 if (curbuf->b_ml.ml_flags & ML_EMPTY) /* nothing to do */ 1666 return OK; 1667 1668 /* Nothing to delete, return here. Do prepare undo, for op_change(). */ 1669 if (oap->empty) 1670 return u_save_cursor(); 1671 1672 if (!curbuf->b_p_ma) 1673 { 1674 EMSG(_(e_modifiable)); 1675 return FAIL; 1676 } 1677 1678 #ifdef FEAT_CLIPBOARD 1679 adjust_clip_reg(&oap->regname); 1680 #endif 1681 1682 #ifdef FEAT_MBYTE 1683 if (has_mbyte) 1684 mb_adjust_opend(oap); 1685 #endif 1686 1687 /* 1688 * Imitate the strange Vi behaviour: If the delete spans more than one 1689 * line and motion_type == MCHAR and the result is a blank line, make the 1690 * delete linewise. Don't do this for the change command or Visual mode. 1691 */ 1692 if ( oap->motion_type == MCHAR 1693 && !oap->is_VIsual 1694 && !oap->block_mode 1695 && oap->line_count > 1 1696 && oap->motion_force == NUL 1697 && oap->op_type == OP_DELETE) 1698 { 1699 ptr = ml_get(oap->end.lnum) + oap->end.col; 1700 if (*ptr != NUL) 1701 ptr += oap->inclusive; 1702 ptr = skipwhite(ptr); 1703 if (*ptr == NUL && inindent(0)) 1704 oap->motion_type = MLINE; 1705 } 1706 1707 /* 1708 * Check for trying to delete (e.g. "D") in an empty line. 1709 * Note: For the change operator it is ok. 1710 */ 1711 if ( oap->motion_type == MCHAR 1712 && oap->line_count == 1 1713 && oap->op_type == OP_DELETE 1714 && *ml_get(oap->start.lnum) == NUL) 1715 { 1716 /* 1717 * It's an error to operate on an empty region, when 'E' included in 1718 * 'cpoptions' (Vi compatible). 1719 */ 1720 #ifdef FEAT_VIRTUALEDIT 1721 if (virtual_op) 1722 /* Virtual editing: Nothing gets deleted, but we set the '[ and '] 1723 * marks as if it happened. */ 1724 goto setmarks; 1725 #endif 1726 if (vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL) 1727 beep_flush(); 1728 return OK; 1729 } 1730 1731 /* 1732 * Do a yank of whatever we're about to delete. 1733 * If a yank register was specified, put the deleted text into that 1734 * register. For the black hole register '_' don't yank anything. 1735 */ 1736 if (oap->regname != '_') 1737 { 1738 if (oap->regname != 0) 1739 { 1740 /* check for read-only register */ 1741 if (!valid_yank_reg(oap->regname, TRUE)) 1742 { 1743 beep_flush(); 1744 return OK; 1745 } 1746 get_yank_register(oap->regname, TRUE); /* yank into specif'd reg. */ 1747 if (op_yank(oap, TRUE, FALSE) == OK) /* yank without message */ 1748 did_yank = TRUE; 1749 } 1750 1751 /* 1752 * Put deleted text into register 1 and shift number registers if the 1753 * delete contains a line break, or when a regname has been specified. 1754 * Use the register name from before adjust_clip_reg() may have 1755 * changed it. 1756 */ 1757 if (orig_regname != 0 || oap->motion_type == MLINE 1758 || oap->line_count > 1 || oap->use_reg_one) 1759 { 1760 shift_delete_registers(); 1761 if (op_yank(oap, TRUE, FALSE) == OK) 1762 did_yank = TRUE; 1763 } 1764 1765 /* Yank into small delete register when no named register specified 1766 * and the delete is within one line. */ 1767 if (( 1768 #ifdef FEAT_CLIPBOARD 1769 ((clip_unnamed & CLIP_UNNAMED) && oap->regname == '*') || 1770 ((clip_unnamed & CLIP_UNNAMED_PLUS) && oap->regname == '+') || 1771 #endif 1772 oap->regname == 0) && oap->motion_type != MLINE 1773 && oap->line_count == 1) 1774 { 1775 oap->regname = '-'; 1776 get_yank_register(oap->regname, TRUE); 1777 if (op_yank(oap, TRUE, FALSE) == OK) 1778 did_yank = TRUE; 1779 oap->regname = 0; 1780 } 1781 1782 /* 1783 * If there's too much stuff to fit in the yank register, then get a 1784 * confirmation before doing the delete. This is crude, but simple. 1785 * And it avoids doing a delete of something we can't put back if we 1786 * want. 1787 */ 1788 if (!did_yank) 1789 { 1790 int msg_silent_save = msg_silent; 1791 1792 msg_silent = 0; /* must display the prompt */ 1793 n = ask_yesno((char_u *)_("cannot yank; delete anyway"), TRUE); 1794 msg_silent = msg_silent_save; 1795 if (n != 'y') 1796 { 1797 EMSG(_(e_abort)); 1798 return FAIL; 1799 } 1800 } 1801 } 1802 1803 /* 1804 * block mode delete 1805 */ 1806 if (oap->block_mode) 1807 { 1808 if (u_save((linenr_T)(oap->start.lnum - 1), 1809 (linenr_T)(oap->end.lnum + 1)) == FAIL) 1810 return FAIL; 1811 1812 for (lnum = curwin->w_cursor.lnum; lnum <= oap->end.lnum; ++lnum) 1813 { 1814 block_prep(oap, &bd, lnum, TRUE); 1815 if (bd.textlen == 0) /* nothing to delete */ 1816 continue; 1817 1818 /* Adjust cursor position for tab replaced by spaces and 'lbr'. */ 1819 if (lnum == curwin->w_cursor.lnum) 1820 { 1821 curwin->w_cursor.col = bd.textcol + bd.startspaces; 1822 # ifdef FEAT_VIRTUALEDIT 1823 curwin->w_cursor.coladd = 0; 1824 # endif 1825 } 1826 1827 /* n == number of chars deleted 1828 * If we delete a TAB, it may be replaced by several characters. 1829 * Thus the number of characters may increase! 1830 */ 1831 n = bd.textlen - bd.startspaces - bd.endspaces; 1832 oldp = ml_get(lnum); 1833 newp = alloc_check((unsigned)STRLEN(oldp) + 1 - n); 1834 if (newp == NULL) 1835 continue; 1836 /* copy up to deleted part */ 1837 mch_memmove(newp, oldp, (size_t)bd.textcol); 1838 /* insert spaces */ 1839 vim_memset(newp + bd.textcol, ' ', 1840 (size_t)(bd.startspaces + bd.endspaces)); 1841 /* copy the part after the deleted part */ 1842 oldp += bd.textcol + bd.textlen; 1843 STRMOVE(newp + bd.textcol + bd.startspaces + bd.endspaces, oldp); 1844 /* replace the line */ 1845 ml_replace(lnum, newp, FALSE); 1846 } 1847 1848 check_cursor_col(); 1849 changed_lines(curwin->w_cursor.lnum, curwin->w_cursor.col, 1850 oap->end.lnum + 1, 0L); 1851 oap->line_count = 0; /* no lines deleted */ 1852 } 1853 else if (oap->motion_type == MLINE) 1854 { 1855 if (oap->op_type == OP_CHANGE) 1856 { 1857 /* Delete the lines except the first one. Temporarily move the 1858 * cursor to the next line. Save the current line number, if the 1859 * last line is deleted it may be changed. 1860 */ 1861 if (oap->line_count > 1) 1862 { 1863 lnum = curwin->w_cursor.lnum; 1864 ++curwin->w_cursor.lnum; 1865 del_lines((long)(oap->line_count - 1), TRUE); 1866 curwin->w_cursor.lnum = lnum; 1867 } 1868 if (u_save_cursor() == FAIL) 1869 return FAIL; 1870 if (curbuf->b_p_ai) /* don't delete indent */ 1871 { 1872 beginline(BL_WHITE); /* cursor on first non-white */ 1873 did_ai = TRUE; /* delete the indent when ESC hit */ 1874 ai_col = curwin->w_cursor.col; 1875 } 1876 else 1877 beginline(0); /* cursor in column 0 */ 1878 truncate_line(FALSE); /* delete the rest of the line */ 1879 /* leave cursor past last char in line */ 1880 if (oap->line_count > 1) 1881 u_clearline(); /* "U" command not possible after "2cc" */ 1882 } 1883 else 1884 { 1885 del_lines(oap->line_count, TRUE); 1886 beginline(BL_WHITE | BL_FIX); 1887 u_clearline(); /* "U" command not possible after "dd" */ 1888 } 1889 } 1890 else 1891 { 1892 #ifdef FEAT_VIRTUALEDIT 1893 if (virtual_op) 1894 { 1895 int endcol = 0; 1896 1897 /* For virtualedit: break the tabs that are partly included. */ 1898 if (gchar_pos(&oap->start) == '\t') 1899 { 1900 if (u_save_cursor() == FAIL) /* save first line for undo */ 1901 return FAIL; 1902 if (oap->line_count == 1) 1903 endcol = getviscol2(oap->end.col, oap->end.coladd); 1904 coladvance_force(getviscol2(oap->start.col, oap->start.coladd)); 1905 oap->start = curwin->w_cursor; 1906 if (oap->line_count == 1) 1907 { 1908 coladvance(endcol); 1909 oap->end.col = curwin->w_cursor.col; 1910 oap->end.coladd = curwin->w_cursor.coladd; 1911 curwin->w_cursor = oap->start; 1912 } 1913 } 1914 1915 /* Break a tab only when it's included in the area. */ 1916 if (gchar_pos(&oap->end) == '\t' 1917 && (int)oap->end.coladd < oap->inclusive) 1918 { 1919 /* save last line for undo */ 1920 if (u_save((linenr_T)(oap->end.lnum - 1), 1921 (linenr_T)(oap->end.lnum + 1)) == FAIL) 1922 return FAIL; 1923 curwin->w_cursor = oap->end; 1924 coladvance_force(getviscol2(oap->end.col, oap->end.coladd)); 1925 oap->end = curwin->w_cursor; 1926 curwin->w_cursor = oap->start; 1927 } 1928 } 1929 #endif 1930 1931 if (oap->line_count == 1) /* delete characters within one line */ 1932 { 1933 if (u_save_cursor() == FAIL) /* save line for undo */ 1934 return FAIL; 1935 1936 /* if 'cpoptions' contains '$', display '$' at end of change */ 1937 if ( vim_strchr(p_cpo, CPO_DOLLAR) != NULL 1938 && oap->op_type == OP_CHANGE 1939 && oap->end.lnum == curwin->w_cursor.lnum 1940 && !oap->is_VIsual) 1941 display_dollar(oap->end.col - !oap->inclusive); 1942 1943 n = oap->end.col - oap->start.col + 1 - !oap->inclusive; 1944 1945 #ifdef FEAT_VIRTUALEDIT 1946 if (virtual_op) 1947 { 1948 /* fix up things for virtualedit-delete: 1949 * break the tabs which are going to get in our way 1950 */ 1951 char_u *curline = ml_get_curline(); 1952 int len = (int)STRLEN(curline); 1953 1954 if (oap->end.coladd != 0 1955 && (int)oap->end.col >= len - 1 1956 && !(oap->start.coladd && (int)oap->end.col >= len - 1)) 1957 n++; 1958 /* Delete at least one char (e.g, when on a control char). */ 1959 if (n == 0 && oap->start.coladd != oap->end.coladd) 1960 n = 1; 1961 1962 /* When deleted a char in the line, reset coladd. */ 1963 if (gchar_cursor() != NUL) 1964 curwin->w_cursor.coladd = 0; 1965 } 1966 #endif 1967 (void)del_bytes((long)n, !virtual_op, 1968 oap->op_type == OP_DELETE && !oap->is_VIsual); 1969 } 1970 else /* delete characters between lines */ 1971 { 1972 pos_T curpos; 1973 1974 /* save deleted and changed lines for undo */ 1975 if (u_save((linenr_T)(curwin->w_cursor.lnum - 1), 1976 (linenr_T)(curwin->w_cursor.lnum + oap->line_count)) == FAIL) 1977 return FAIL; 1978 1979 truncate_line(TRUE); /* delete from cursor to end of line */ 1980 1981 curpos = curwin->w_cursor; /* remember curwin->w_cursor */ 1982 ++curwin->w_cursor.lnum; 1983 del_lines((long)(oap->line_count - 2), FALSE); 1984 1985 /* delete from start of line until op_end */ 1986 n = (oap->end.col + 1 - !oap->inclusive); 1987 curwin->w_cursor.col = 0; 1988 (void)del_bytes((long)n, !virtual_op, 1989 oap->op_type == OP_DELETE && !oap->is_VIsual); 1990 curwin->w_cursor = curpos; /* restore curwin->w_cursor */ 1991 (void)do_join(2, FALSE, FALSE, FALSE, FALSE); 1992 } 1993 } 1994 1995 msgmore(curbuf->b_ml.ml_line_count - old_lcount); 1996 1997 #ifdef FEAT_VIRTUALEDIT 1998 setmarks: 1999 #endif 2000 if (oap->block_mode) 2001 { 2002 curbuf->b_op_end.lnum = oap->end.lnum; 2003 curbuf->b_op_end.col = oap->start.col; 2004 } 2005 else 2006 curbuf->b_op_end = oap->start; 2007 curbuf->b_op_start = oap->start; 2008 2009 return OK; 2010 } 2011 2012 #ifdef FEAT_MBYTE 2013 /* 2014 * Adjust end of operating area for ending on a multi-byte character. 2015 * Used for deletion. 2016 */ 2017 static void 2018 mb_adjust_opend(oparg_T *oap) 2019 { 2020 char_u *p; 2021 2022 if (oap->inclusive) 2023 { 2024 p = ml_get(oap->end.lnum); 2025 oap->end.col += mb_tail_off(p, p + oap->end.col); 2026 } 2027 } 2028 #endif 2029 2030 #if defined(FEAT_VISUALEXTRA) || defined(PROTO) 2031 /* 2032 * Replace a whole area with one character. 2033 */ 2034 int 2035 op_replace(oparg_T *oap, int c) 2036 { 2037 int n, numc; 2038 #ifdef FEAT_MBYTE 2039 int num_chars; 2040 #endif 2041 char_u *newp, *oldp; 2042 size_t oldlen; 2043 struct block_def bd; 2044 char_u *after_p = NULL; 2045 int had_ctrl_v_cr = (c == -1 || c == -2); 2046 2047 if ((curbuf->b_ml.ml_flags & ML_EMPTY ) || oap->empty) 2048 return OK; /* nothing to do */ 2049 2050 if (had_ctrl_v_cr) 2051 c = (c == -1 ? '\r' : '\n'); 2052 2053 #ifdef FEAT_MBYTE 2054 if (has_mbyte) 2055 mb_adjust_opend(oap); 2056 #endif 2057 2058 if (u_save((linenr_T)(oap->start.lnum - 1), 2059 (linenr_T)(oap->end.lnum + 1)) == FAIL) 2060 return FAIL; 2061 2062 /* 2063 * block mode replace 2064 */ 2065 if (oap->block_mode) 2066 { 2067 bd.is_MAX = (curwin->w_curswant == MAXCOL); 2068 for ( ; curwin->w_cursor.lnum <= oap->end.lnum; ++curwin->w_cursor.lnum) 2069 { 2070 curwin->w_cursor.col = 0; /* make sure cursor position is valid */ 2071 block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE); 2072 if (bd.textlen == 0 && (!virtual_op || bd.is_MAX)) 2073 continue; /* nothing to replace */ 2074 2075 /* n == number of extra chars required 2076 * If we split a TAB, it may be replaced by several characters. 2077 * Thus the number of characters may increase! 2078 */ 2079 #ifdef FEAT_VIRTUALEDIT 2080 /* If the range starts in virtual space, count the initial 2081 * coladd offset as part of "startspaces" */ 2082 if (virtual_op && bd.is_short && *bd.textstart == NUL) 2083 { 2084 pos_T vpos; 2085 2086 vpos.lnum = curwin->w_cursor.lnum; 2087 getvpos(&vpos, oap->start_vcol); 2088 bd.startspaces += vpos.coladd; 2089 n = bd.startspaces; 2090 } 2091 else 2092 #endif 2093 /* allow for pre spaces */ 2094 n = (bd.startspaces ? bd.start_char_vcols - 1 : 0); 2095 2096 /* allow for post spp */ 2097 n += (bd.endspaces 2098 #ifdef FEAT_VIRTUALEDIT 2099 && !bd.is_oneChar 2100 #endif 2101 && bd.end_char_vcols > 0) ? bd.end_char_vcols - 1 : 0; 2102 /* Figure out how many characters to replace. */ 2103 numc = oap->end_vcol - oap->start_vcol + 1; 2104 if (bd.is_short && (!virtual_op || bd.is_MAX)) 2105 numc -= (oap->end_vcol - bd.end_vcol) + 1; 2106 2107 #ifdef FEAT_MBYTE 2108 /* A double-wide character can be replaced only up to half the 2109 * times. */ 2110 if ((*mb_char2cells)(c) > 1) 2111 { 2112 if ((numc & 1) && !bd.is_short) 2113 { 2114 ++bd.endspaces; 2115 ++n; 2116 } 2117 numc = numc / 2; 2118 } 2119 2120 /* Compute bytes needed, move character count to num_chars. */ 2121 num_chars = numc; 2122 numc *= (*mb_char2len)(c); 2123 #endif 2124 /* oldlen includes textlen, so don't double count */ 2125 n += numc - bd.textlen; 2126 2127 oldp = ml_get_curline(); 2128 oldlen = STRLEN(oldp); 2129 newp = alloc_check((unsigned)oldlen + 1 + n); 2130 if (newp == NULL) 2131 continue; 2132 vim_memset(newp, NUL, (size_t)(oldlen + 1 + n)); 2133 /* copy up to deleted part */ 2134 mch_memmove(newp, oldp, (size_t)bd.textcol); 2135 oldp += bd.textcol + bd.textlen; 2136 /* insert pre-spaces */ 2137 vim_memset(newp + bd.textcol, ' ', (size_t)bd.startspaces); 2138 /* insert replacement chars CHECK FOR ALLOCATED SPACE */ 2139 /* -1/-2 is used for entering CR literally. */ 2140 if (had_ctrl_v_cr || (c != '\r' && c != '\n')) 2141 { 2142 #ifdef FEAT_MBYTE 2143 if (has_mbyte) 2144 { 2145 n = (int)STRLEN(newp); 2146 while (--num_chars >= 0) 2147 n += (*mb_char2bytes)(c, newp + n); 2148 } 2149 else 2150 #endif 2151 vim_memset(newp + STRLEN(newp), c, (size_t)numc); 2152 if (!bd.is_short) 2153 { 2154 /* insert post-spaces */ 2155 vim_memset(newp + STRLEN(newp), ' ', (size_t)bd.endspaces); 2156 /* copy the part after the changed part */ 2157 STRMOVE(newp + STRLEN(newp), oldp); 2158 } 2159 } 2160 else 2161 { 2162 /* Replacing with \r or \n means splitting the line. */ 2163 after_p = alloc_check( 2164 (unsigned)(oldlen + 1 + n - STRLEN(newp))); 2165 if (after_p != NULL) 2166 STRMOVE(after_p, oldp); 2167 } 2168 /* replace the line */ 2169 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 2170 if (after_p != NULL) 2171 { 2172 ml_append(curwin->w_cursor.lnum++, after_p, 0, FALSE); 2173 appended_lines_mark(curwin->w_cursor.lnum, 1L); 2174 oap->end.lnum++; 2175 vim_free(after_p); 2176 } 2177 } 2178 } 2179 else 2180 { 2181 /* 2182 * MCHAR and MLINE motion replace. 2183 */ 2184 if (oap->motion_type == MLINE) 2185 { 2186 oap->start.col = 0; 2187 curwin->w_cursor.col = 0; 2188 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); 2189 if (oap->end.col) 2190 --oap->end.col; 2191 } 2192 else if (!oap->inclusive) 2193 dec(&(oap->end)); 2194 2195 while (LTOREQ_POS(curwin->w_cursor, oap->end)) 2196 { 2197 n = gchar_cursor(); 2198 if (n != NUL) 2199 { 2200 #ifdef FEAT_MBYTE 2201 if ((*mb_char2len)(c) > 1 || (*mb_char2len)(n) > 1) 2202 { 2203 /* This is slow, but it handles replacing a single-byte 2204 * with a multi-byte and the other way around. */ 2205 if (curwin->w_cursor.lnum == oap->end.lnum) 2206 oap->end.col += (*mb_char2len)(c) - (*mb_char2len)(n); 2207 n = State; 2208 State = REPLACE; 2209 ins_char(c); 2210 State = n; 2211 /* Backup to the replaced character. */ 2212 dec_cursor(); 2213 } 2214 else 2215 #endif 2216 { 2217 #ifdef FEAT_VIRTUALEDIT 2218 if (n == TAB) 2219 { 2220 int end_vcol = 0; 2221 2222 if (curwin->w_cursor.lnum == oap->end.lnum) 2223 { 2224 /* oap->end has to be recalculated when 2225 * the tab breaks */ 2226 end_vcol = getviscol2(oap->end.col, 2227 oap->end.coladd); 2228 } 2229 coladvance_force(getviscol()); 2230 if (curwin->w_cursor.lnum == oap->end.lnum) 2231 getvpos(&oap->end, end_vcol); 2232 } 2233 #endif 2234 PCHAR(curwin->w_cursor, c); 2235 } 2236 } 2237 #ifdef FEAT_VIRTUALEDIT 2238 else if (virtual_op && curwin->w_cursor.lnum == oap->end.lnum) 2239 { 2240 int virtcols = oap->end.coladd; 2241 2242 if (curwin->w_cursor.lnum == oap->start.lnum 2243 && oap->start.col == oap->end.col && oap->start.coladd) 2244 virtcols -= oap->start.coladd; 2245 2246 /* oap->end has been trimmed so it's effectively inclusive; 2247 * as a result an extra +1 must be counted so we don't 2248 * trample the NUL byte. */ 2249 coladvance_force(getviscol2(oap->end.col, oap->end.coladd) + 1); 2250 curwin->w_cursor.col -= (virtcols + 1); 2251 for (; virtcols >= 0; virtcols--) 2252 { 2253 PCHAR(curwin->w_cursor, c); 2254 if (inc(&curwin->w_cursor) == -1) 2255 break; 2256 } 2257 } 2258 #endif 2259 2260 /* Advance to next character, stop at the end of the file. */ 2261 if (inc_cursor() == -1) 2262 break; 2263 } 2264 } 2265 2266 curwin->w_cursor = oap->start; 2267 check_cursor(); 2268 changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, 0L); 2269 2270 /* Set "'[" and "']" marks. */ 2271 curbuf->b_op_start = oap->start; 2272 curbuf->b_op_end = oap->end; 2273 2274 return OK; 2275 } 2276 #endif 2277 2278 static int swapchars(int op_type, pos_T *pos, int length); 2279 2280 /* 2281 * Handle the (non-standard vi) tilde operator. Also for "gu", "gU" and "g?". 2282 */ 2283 void 2284 op_tilde(oparg_T *oap) 2285 { 2286 pos_T pos; 2287 struct block_def bd; 2288 int did_change = FALSE; 2289 2290 if (u_save((linenr_T)(oap->start.lnum - 1), 2291 (linenr_T)(oap->end.lnum + 1)) == FAIL) 2292 return; 2293 2294 pos = oap->start; 2295 if (oap->block_mode) /* Visual block mode */ 2296 { 2297 for (; pos.lnum <= oap->end.lnum; ++pos.lnum) 2298 { 2299 int one_change; 2300 2301 block_prep(oap, &bd, pos.lnum, FALSE); 2302 pos.col = bd.textcol; 2303 one_change = swapchars(oap->op_type, &pos, bd.textlen); 2304 did_change |= one_change; 2305 2306 #ifdef FEAT_NETBEANS_INTG 2307 if (netbeans_active() && one_change) 2308 { 2309 char_u *ptr = ml_get_buf(curbuf, pos.lnum, FALSE); 2310 2311 netbeans_removed(curbuf, pos.lnum, bd.textcol, 2312 (long)bd.textlen); 2313 netbeans_inserted(curbuf, pos.lnum, bd.textcol, 2314 &ptr[bd.textcol], bd.textlen); 2315 } 2316 #endif 2317 } 2318 if (did_change) 2319 changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); 2320 } 2321 else /* not block mode */ 2322 { 2323 if (oap->motion_type == MLINE) 2324 { 2325 oap->start.col = 0; 2326 pos.col = 0; 2327 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); 2328 if (oap->end.col) 2329 --oap->end.col; 2330 } 2331 else if (!oap->inclusive) 2332 dec(&(oap->end)); 2333 2334 if (pos.lnum == oap->end.lnum) 2335 did_change = swapchars(oap->op_type, &pos, 2336 oap->end.col - pos.col + 1); 2337 else 2338 for (;;) 2339 { 2340 did_change |= swapchars(oap->op_type, &pos, 2341 pos.lnum == oap->end.lnum ? oap->end.col + 1: 2342 (int)STRLEN(ml_get_pos(&pos))); 2343 if (LTOREQ_POS(oap->end, pos) || inc(&pos) == -1) 2344 break; 2345 } 2346 if (did_change) 2347 { 2348 changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, 2349 0L); 2350 #ifdef FEAT_NETBEANS_INTG 2351 if (netbeans_active() && did_change) 2352 { 2353 char_u *ptr; 2354 int count; 2355 2356 pos = oap->start; 2357 while (pos.lnum < oap->end.lnum) 2358 { 2359 ptr = ml_get_buf(curbuf, pos.lnum, FALSE); 2360 count = (int)STRLEN(ptr) - pos.col; 2361 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count); 2362 netbeans_inserted(curbuf, pos.lnum, pos.col, 2363 &ptr[pos.col], count); 2364 pos.col = 0; 2365 pos.lnum++; 2366 } 2367 ptr = ml_get_buf(curbuf, pos.lnum, FALSE); 2368 count = oap->end.col - pos.col + 1; 2369 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count); 2370 netbeans_inserted(curbuf, pos.lnum, pos.col, 2371 &ptr[pos.col], count); 2372 } 2373 #endif 2374 } 2375 } 2376 2377 if (!did_change && oap->is_VIsual) 2378 /* No change: need to remove the Visual selection */ 2379 redraw_curbuf_later(INVERTED); 2380 2381 /* 2382 * Set '[ and '] marks. 2383 */ 2384 curbuf->b_op_start = oap->start; 2385 curbuf->b_op_end = oap->end; 2386 2387 if (oap->line_count > p_report) 2388 { 2389 if (oap->line_count == 1) 2390 MSG(_("1 line changed")); 2391 else 2392 smsg((char_u *)_("%ld lines changed"), oap->line_count); 2393 } 2394 } 2395 2396 /* 2397 * Invoke swapchar() on "length" bytes at position "pos". 2398 * "pos" is advanced to just after the changed characters. 2399 * "length" is rounded up to include the whole last multi-byte character. 2400 * Also works correctly when the number of bytes changes. 2401 * Returns TRUE if some character was changed. 2402 */ 2403 static int 2404 swapchars(int op_type, pos_T *pos, int length) 2405 { 2406 int todo; 2407 int did_change = 0; 2408 2409 for (todo = length; todo > 0; --todo) 2410 { 2411 # ifdef FEAT_MBYTE 2412 if (has_mbyte) 2413 { 2414 int len = (*mb_ptr2len)(ml_get_pos(pos)); 2415 2416 /* we're counting bytes, not characters */ 2417 if (len > 0) 2418 todo -= len - 1; 2419 } 2420 # endif 2421 did_change |= swapchar(op_type, pos); 2422 if (inc(pos) == -1) /* at end of file */ 2423 break; 2424 } 2425 return did_change; 2426 } 2427 2428 /* 2429 * If op_type == OP_UPPER: make uppercase, 2430 * if op_type == OP_LOWER: make lowercase, 2431 * if op_type == OP_ROT13: do rot13 encoding, 2432 * else swap case of character at 'pos' 2433 * returns TRUE when something actually changed. 2434 */ 2435 int 2436 swapchar(int op_type, pos_T *pos) 2437 { 2438 int c; 2439 int nc; 2440 2441 c = gchar_pos(pos); 2442 2443 /* Only do rot13 encoding for ASCII characters. */ 2444 if (c >= 0x80 && op_type == OP_ROT13) 2445 return FALSE; 2446 2447 #ifdef FEAT_MBYTE 2448 if (op_type == OP_UPPER && c == 0xdf 2449 && (enc_latin1like || STRCMP(p_enc, "iso-8859-2") == 0)) 2450 { 2451 pos_T sp = curwin->w_cursor; 2452 2453 /* Special handling of German sharp s: change to "SS". */ 2454 curwin->w_cursor = *pos; 2455 del_char(FALSE); 2456 ins_char('S'); 2457 ins_char('S'); 2458 curwin->w_cursor = sp; 2459 inc(pos); 2460 } 2461 2462 if (enc_dbcs != 0 && c >= 0x100) /* No lower/uppercase letter */ 2463 return FALSE; 2464 #endif 2465 nc = c; 2466 if (MB_ISLOWER(c)) 2467 { 2468 if (op_type == OP_ROT13) 2469 nc = ROT13(c, 'a'); 2470 else if (op_type != OP_LOWER) 2471 nc = MB_TOUPPER(c); 2472 } 2473 else if (MB_ISUPPER(c)) 2474 { 2475 if (op_type == OP_ROT13) 2476 nc = ROT13(c, 'A'); 2477 else if (op_type != OP_UPPER) 2478 nc = MB_TOLOWER(c); 2479 } 2480 if (nc != c) 2481 { 2482 #ifdef FEAT_MBYTE 2483 if (enc_utf8 && (c >= 0x80 || nc >= 0x80)) 2484 { 2485 pos_T sp = curwin->w_cursor; 2486 2487 curwin->w_cursor = *pos; 2488 /* don't use del_char(), it also removes composing chars */ 2489 del_bytes(utf_ptr2len(ml_get_cursor()), FALSE, FALSE); 2490 ins_char(nc); 2491 curwin->w_cursor = sp; 2492 } 2493 else 2494 #endif 2495 PCHAR(*pos, nc); 2496 return TRUE; 2497 } 2498 return FALSE; 2499 } 2500 2501 #if defined(FEAT_VISUALEXTRA) || defined(PROTO) 2502 /* 2503 * op_insert - Insert and append operators for Visual mode. 2504 */ 2505 void 2506 op_insert(oparg_T *oap, long count1) 2507 { 2508 long ins_len, pre_textlen = 0; 2509 char_u *firstline, *ins_text; 2510 colnr_T ind_pre = 0, ind_post; 2511 struct block_def bd; 2512 int i; 2513 pos_T t1; 2514 2515 /* edit() changes this - record it for OP_APPEND */ 2516 bd.is_MAX = (curwin->w_curswant == MAXCOL); 2517 2518 /* vis block is still marked. Get rid of it now. */ 2519 curwin->w_cursor.lnum = oap->start.lnum; 2520 update_screen(INVERTED); 2521 2522 if (oap->block_mode) 2523 { 2524 #ifdef FEAT_VIRTUALEDIT 2525 /* When 'virtualedit' is used, need to insert the extra spaces before 2526 * doing block_prep(). When only "block" is used, virtual edit is 2527 * already disabled, but still need it when calling 2528 * coladvance_force(). */ 2529 if (curwin->w_cursor.coladd > 0) 2530 { 2531 int old_ve_flags = ve_flags; 2532 2533 ve_flags = VE_ALL; 2534 if (u_save_cursor() == FAIL) 2535 return; 2536 coladvance_force(oap->op_type == OP_APPEND 2537 ? oap->end_vcol + 1 : getviscol()); 2538 if (oap->op_type == OP_APPEND) 2539 --curwin->w_cursor.col; 2540 ve_flags = old_ve_flags; 2541 } 2542 #endif 2543 /* Get the info about the block before entering the text */ 2544 block_prep(oap, &bd, oap->start.lnum, TRUE); 2545 /* Get indent information */ 2546 ind_pre = (colnr_T)getwhitecols_curline(); 2547 firstline = ml_get(oap->start.lnum) + bd.textcol; 2548 2549 if (oap->op_type == OP_APPEND) 2550 firstline += bd.textlen; 2551 pre_textlen = (long)STRLEN(firstline); 2552 } 2553 2554 if (oap->op_type == OP_APPEND) 2555 { 2556 if (oap->block_mode 2557 #ifdef FEAT_VIRTUALEDIT 2558 && curwin->w_cursor.coladd == 0 2559 #endif 2560 ) 2561 { 2562 /* Move the cursor to the character right of the block. */ 2563 curwin->w_set_curswant = TRUE; 2564 while (*ml_get_cursor() != NUL 2565 && (curwin->w_cursor.col < bd.textcol + bd.textlen)) 2566 ++curwin->w_cursor.col; 2567 if (bd.is_short && !bd.is_MAX) 2568 { 2569 /* First line was too short, make it longer and adjust the 2570 * values in "bd". */ 2571 if (u_save_cursor() == FAIL) 2572 return; 2573 for (i = 0; i < bd.endspaces; ++i) 2574 ins_char(' '); 2575 bd.textlen += bd.endspaces; 2576 } 2577 } 2578 else 2579 { 2580 curwin->w_cursor = oap->end; 2581 check_cursor_col(); 2582 2583 /* Works just like an 'i'nsert on the next character. */ 2584 if (!LINEEMPTY(curwin->w_cursor.lnum) 2585 && oap->start_vcol != oap->end_vcol) 2586 inc_cursor(); 2587 } 2588 } 2589 2590 t1 = oap->start; 2591 (void)edit(NUL, FALSE, (linenr_T)count1); 2592 2593 /* When a tab was inserted, and the characters in front of the tab 2594 * have been converted to a tab as well, the column of the cursor 2595 * might have actually been reduced, so need to adjust here. */ 2596 if (t1.lnum == curbuf->b_op_start_orig.lnum 2597 && LT_POS(curbuf->b_op_start_orig, t1)) 2598 oap->start = curbuf->b_op_start_orig; 2599 2600 /* If user has moved off this line, we don't know what to do, so do 2601 * nothing. 2602 * Also don't repeat the insert when Insert mode ended with CTRL-C. */ 2603 if (curwin->w_cursor.lnum != oap->start.lnum || got_int) 2604 return; 2605 2606 if (oap->block_mode) 2607 { 2608 struct block_def bd2; 2609 2610 /* If indent kicked in, the firstline might have changed 2611 * but only do that, if the indent actually increased. */ 2612 ind_post = (colnr_T)getwhitecols_curline(); 2613 if (curbuf->b_op_start.col > ind_pre && ind_post > ind_pre) 2614 { 2615 bd.textcol += ind_post - ind_pre; 2616 bd.start_vcol += ind_post - ind_pre; 2617 } 2618 2619 /* The user may have moved the cursor before inserting something, try 2620 * to adjust the block for that. */ 2621 if (oap->start.lnum == curbuf->b_op_start_orig.lnum && !bd.is_MAX) 2622 { 2623 if (oap->op_type == OP_INSERT 2624 && oap->start.col 2625 #ifdef FEAT_VIRTUALEDIT 2626 + oap->start.coladd 2627 #endif 2628 != curbuf->b_op_start_orig.col 2629 #ifdef FEAT_VIRTUALEDIT 2630 + curbuf->b_op_start_orig.coladd 2631 #endif 2632 ) 2633 { 2634 int t = getviscol2(curbuf->b_op_start_orig.col, 2635 curbuf->b_op_start_orig.coladd); 2636 oap->start.col = curbuf->b_op_start_orig.col; 2637 pre_textlen -= t - oap->start_vcol; 2638 oap->start_vcol = t; 2639 } 2640 else if (oap->op_type == OP_APPEND 2641 && oap->end.col 2642 #ifdef FEAT_VIRTUALEDIT 2643 + oap->end.coladd 2644 #endif 2645 >= curbuf->b_op_start_orig.col 2646 #ifdef FEAT_VIRTUALEDIT 2647 + curbuf->b_op_start_orig.coladd 2648 #endif 2649 ) 2650 { 2651 int t = getviscol2(curbuf->b_op_start_orig.col, 2652 curbuf->b_op_start_orig.coladd); 2653 oap->start.col = curbuf->b_op_start_orig.col; 2654 /* reset pre_textlen to the value of OP_INSERT */ 2655 pre_textlen += bd.textlen; 2656 pre_textlen -= t - oap->start_vcol; 2657 oap->start_vcol = t; 2658 oap->op_type = OP_INSERT; 2659 } 2660 } 2661 2662 /* 2663 * Spaces and tabs in the indent may have changed to other spaces and 2664 * tabs. Get the starting column again and correct the length. 2665 * Don't do this when "$" used, end-of-line will have changed. 2666 */ 2667 block_prep(oap, &bd2, oap->start.lnum, TRUE); 2668 if (!bd.is_MAX || bd2.textlen < bd.textlen) 2669 { 2670 if (oap->op_type == OP_APPEND) 2671 { 2672 pre_textlen += bd2.textlen - bd.textlen; 2673 if (bd2.endspaces) 2674 --bd2.textlen; 2675 } 2676 bd.textcol = bd2.textcol; 2677 bd.textlen = bd2.textlen; 2678 } 2679 2680 /* 2681 * Subsequent calls to ml_get() flush the firstline data - take a 2682 * copy of the required string. 2683 */ 2684 firstline = ml_get(oap->start.lnum) + bd.textcol; 2685 if (oap->op_type == OP_APPEND) 2686 firstline += bd.textlen; 2687 if (pre_textlen >= 0 2688 && (ins_len = (long)STRLEN(firstline) - pre_textlen) > 0) 2689 { 2690 ins_text = vim_strnsave(firstline, (int)ins_len); 2691 if (ins_text != NULL) 2692 { 2693 /* block handled here */ 2694 if (u_save(oap->start.lnum, 2695 (linenr_T)(oap->end.lnum + 1)) == OK) 2696 block_insert(oap, ins_text, (oap->op_type == OP_INSERT), 2697 &bd); 2698 2699 curwin->w_cursor.col = oap->start.col; 2700 check_cursor(); 2701 vim_free(ins_text); 2702 } 2703 } 2704 } 2705 } 2706 #endif 2707 2708 /* 2709 * op_change - handle a change operation 2710 * 2711 * return TRUE if edit() returns because of a CTRL-O command 2712 */ 2713 int 2714 op_change(oparg_T *oap) 2715 { 2716 colnr_T l; 2717 int retval; 2718 #ifdef FEAT_VISUALEXTRA 2719 long offset; 2720 linenr_T linenr; 2721 long ins_len; 2722 long pre_textlen = 0; 2723 long pre_indent = 0; 2724 char_u *firstline; 2725 char_u *ins_text, *newp, *oldp; 2726 struct block_def bd; 2727 #endif 2728 2729 l = oap->start.col; 2730 if (oap->motion_type == MLINE) 2731 { 2732 l = 0; 2733 #ifdef FEAT_SMARTINDENT 2734 if (!p_paste && curbuf->b_p_si 2735 # ifdef FEAT_CINDENT 2736 && !curbuf->b_p_cin 2737 # endif 2738 ) 2739 can_si = TRUE; /* It's like opening a new line, do si */ 2740 #endif 2741 } 2742 2743 /* First delete the text in the region. In an empty buffer only need to 2744 * save for undo */ 2745 if (curbuf->b_ml.ml_flags & ML_EMPTY) 2746 { 2747 if (u_save_cursor() == FAIL) 2748 return FALSE; 2749 } 2750 else if (op_delete(oap) == FAIL) 2751 return FALSE; 2752 2753 if ((l > curwin->w_cursor.col) && !LINEEMPTY(curwin->w_cursor.lnum) 2754 && !virtual_op) 2755 inc_cursor(); 2756 2757 #ifdef FEAT_VISUALEXTRA 2758 /* check for still on same line (<CR> in inserted text meaningless) */ 2759 /* skip blank lines too */ 2760 if (oap->block_mode) 2761 { 2762 # ifdef FEAT_VIRTUALEDIT 2763 /* Add spaces before getting the current line length. */ 2764 if (virtual_op && (curwin->w_cursor.coladd > 0 2765 || gchar_cursor() == NUL)) 2766 coladvance_force(getviscol()); 2767 # endif 2768 firstline = ml_get(oap->start.lnum); 2769 pre_textlen = (long)STRLEN(firstline); 2770 pre_indent = (long)getwhitecols(firstline); 2771 bd.textcol = curwin->w_cursor.col; 2772 } 2773 #endif 2774 2775 #if defined(FEAT_LISP) || defined(FEAT_CINDENT) 2776 if (oap->motion_type == MLINE) 2777 fix_indent(); 2778 #endif 2779 2780 retval = edit(NUL, FALSE, (linenr_T)1); 2781 2782 #ifdef FEAT_VISUALEXTRA 2783 /* 2784 * In Visual block mode, handle copying the new text to all lines of the 2785 * block. 2786 * Don't repeat the insert when Insert mode ended with CTRL-C. 2787 */ 2788 if (oap->block_mode && oap->start.lnum != oap->end.lnum && !got_int) 2789 { 2790 /* Auto-indenting may have changed the indent. If the cursor was past 2791 * the indent, exclude that indent change from the inserted text. */ 2792 firstline = ml_get(oap->start.lnum); 2793 if (bd.textcol > (colnr_T)pre_indent) 2794 { 2795 long new_indent = (long)getwhitecols(firstline); 2796 2797 pre_textlen += new_indent - pre_indent; 2798 bd.textcol += new_indent - pre_indent; 2799 } 2800 2801 ins_len = (long)STRLEN(firstline) - pre_textlen; 2802 if (ins_len > 0) 2803 { 2804 /* Subsequent calls to ml_get() flush the firstline data - take a 2805 * copy of the inserted text. */ 2806 if ((ins_text = alloc_check((unsigned)(ins_len + 1))) != NULL) 2807 { 2808 vim_strncpy(ins_text, firstline + bd.textcol, (size_t)ins_len); 2809 for (linenr = oap->start.lnum + 1; linenr <= oap->end.lnum; 2810 linenr++) 2811 { 2812 block_prep(oap, &bd, linenr, TRUE); 2813 if (!bd.is_short || virtual_op) 2814 { 2815 # ifdef FEAT_VIRTUALEDIT 2816 pos_T vpos; 2817 2818 /* If the block starts in virtual space, count the 2819 * initial coladd offset as part of "startspaces" */ 2820 if (bd.is_short) 2821 { 2822 vpos.lnum = linenr; 2823 (void)getvpos(&vpos, oap->start_vcol); 2824 } 2825 else 2826 vpos.coladd = 0; 2827 # endif 2828 oldp = ml_get(linenr); 2829 newp = alloc_check((unsigned)(STRLEN(oldp) 2830 # ifdef FEAT_VIRTUALEDIT 2831 + vpos.coladd 2832 # endif 2833 + ins_len + 1)); 2834 if (newp == NULL) 2835 continue; 2836 /* copy up to block start */ 2837 mch_memmove(newp, oldp, (size_t)bd.textcol); 2838 offset = bd.textcol; 2839 # ifdef FEAT_VIRTUALEDIT 2840 vim_memset(newp + offset, ' ', (size_t)vpos.coladd); 2841 offset += vpos.coladd; 2842 # endif 2843 mch_memmove(newp + offset, ins_text, (size_t)ins_len); 2844 offset += ins_len; 2845 oldp += bd.textcol; 2846 STRMOVE(newp + offset, oldp); 2847 ml_replace(linenr, newp, FALSE); 2848 } 2849 } 2850 check_cursor(); 2851 2852 changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L); 2853 } 2854 vim_free(ins_text); 2855 } 2856 } 2857 #endif 2858 2859 return retval; 2860 } 2861 2862 /* 2863 * set all the yank registers to empty (called from main()) 2864 */ 2865 void 2866 init_yank(void) 2867 { 2868 int i; 2869 2870 for (i = 0; i < NUM_REGISTERS; ++i) 2871 y_regs[i].y_array = NULL; 2872 } 2873 2874 #if defined(EXITFREE) || defined(PROTO) 2875 void 2876 clear_registers(void) 2877 { 2878 int i; 2879 2880 for (i = 0; i < NUM_REGISTERS; ++i) 2881 { 2882 y_current = &y_regs[i]; 2883 if (y_current->y_array != NULL) 2884 free_yank_all(); 2885 } 2886 } 2887 #endif 2888 2889 /* 2890 * Free "n" lines from the current yank register. 2891 * Called for normal freeing and in case of error. 2892 */ 2893 static void 2894 free_yank(long n) 2895 { 2896 if (y_current->y_array != NULL) 2897 { 2898 long i; 2899 2900 for (i = n; --i >= 0; ) 2901 { 2902 #ifdef AMIGA /* only for very slow machines */ 2903 if ((i & 1023) == 1023) /* this may take a while */ 2904 { 2905 /* 2906 * This message should never cause a hit-return message. 2907 * Overwrite this message with any next message. 2908 */ 2909 ++no_wait_return; 2910 smsg((char_u *)_("freeing %ld lines"), i + 1); 2911 --no_wait_return; 2912 msg_didout = FALSE; 2913 msg_col = 0; 2914 } 2915 #endif 2916 vim_free(y_current->y_array[i]); 2917 } 2918 vim_free(y_current->y_array); 2919 y_current->y_array = NULL; 2920 #ifdef AMIGA 2921 if (n >= 1000) 2922 MSG(""); 2923 #endif 2924 } 2925 } 2926 2927 static void 2928 free_yank_all(void) 2929 { 2930 free_yank(y_current->y_size); 2931 } 2932 2933 /* 2934 * Yank the text between "oap->start" and "oap->end" into a yank register. 2935 * If we are to append (uppercase register), we first yank into a new yank 2936 * register and then concatenate the old and the new one (so we keep the old 2937 * one in case of out-of-memory). 2938 * 2939 * Return FAIL for failure, OK otherwise. 2940 */ 2941 int 2942 op_yank(oparg_T *oap, int deleting, int mess) 2943 { 2944 long y_idx; /* index in y_array[] */ 2945 yankreg_T *curr; /* copy of y_current */ 2946 yankreg_T newreg; /* new yank register when appending */ 2947 char_u **new_ptr; 2948 linenr_T lnum; /* current line number */ 2949 long j; 2950 int yanktype = oap->motion_type; 2951 long yanklines = oap->line_count; 2952 linenr_T yankendlnum = oap->end.lnum; 2953 char_u *p; 2954 char_u *pnew; 2955 struct block_def bd; 2956 #if defined(FEAT_CLIPBOARD) && defined(FEAT_X11) 2957 int did_star = FALSE; 2958 #endif 2959 2960 /* check for read-only register */ 2961 if (oap->regname != 0 && !valid_yank_reg(oap->regname, TRUE)) 2962 { 2963 beep_flush(); 2964 return FAIL; 2965 } 2966 if (oap->regname == '_') /* black hole: nothing to do */ 2967 return OK; 2968 2969 #ifdef FEAT_CLIPBOARD 2970 if (!clip_star.available && oap->regname == '*') 2971 oap->regname = 0; 2972 else if (!clip_plus.available && oap->regname == '+') 2973 oap->regname = 0; 2974 #endif 2975 2976 if (!deleting) /* op_delete() already set y_current */ 2977 get_yank_register(oap->regname, TRUE); 2978 2979 curr = y_current; 2980 /* append to existing contents */ 2981 if (y_append && y_current->y_array != NULL) 2982 y_current = &newreg; 2983 else 2984 free_yank_all(); /* free previously yanked lines */ 2985 2986 /* 2987 * If the cursor was in column 1 before and after the movement, and the 2988 * operator is not inclusive, the yank is always linewise. 2989 */ 2990 if ( oap->motion_type == MCHAR 2991 && oap->start.col == 0 2992 && !oap->inclusive 2993 && (!oap->is_VIsual || *p_sel == 'o') 2994 && !oap->block_mode 2995 && oap->end.col == 0 2996 && yanklines > 1) 2997 { 2998 yanktype = MLINE; 2999 --yankendlnum; 3000 --yanklines; 3001 } 3002 3003 y_current->y_size = yanklines; 3004 y_current->y_type = yanktype; /* set the yank register type */ 3005 y_current->y_width = 0; 3006 y_current->y_array = (char_u **)lalloc_clear((long_u)(sizeof(char_u *) * 3007 yanklines), TRUE); 3008 if (y_current->y_array == NULL) 3009 { 3010 y_current = curr; 3011 return FAIL; 3012 } 3013 #ifdef FEAT_VIMINFO 3014 y_current->y_time_set = vim_time(); 3015 #endif 3016 3017 y_idx = 0; 3018 lnum = oap->start.lnum; 3019 3020 if (oap->block_mode) 3021 { 3022 /* Visual block mode */ 3023 y_current->y_type = MBLOCK; /* set the yank register type */ 3024 y_current->y_width = oap->end_vcol - oap->start_vcol; 3025 3026 if (curwin->w_curswant == MAXCOL && y_current->y_width > 0) 3027 y_current->y_width--; 3028 } 3029 3030 for ( ; lnum <= yankendlnum; lnum++, y_idx++) 3031 { 3032 switch (y_current->y_type) 3033 { 3034 case MBLOCK: 3035 block_prep(oap, &bd, lnum, FALSE); 3036 if (yank_copy_line(&bd, y_idx) == FAIL) 3037 goto fail; 3038 break; 3039 3040 case MLINE: 3041 if ((y_current->y_array[y_idx] = 3042 vim_strsave(ml_get(lnum))) == NULL) 3043 goto fail; 3044 break; 3045 3046 case MCHAR: 3047 { 3048 colnr_T startcol = 0, endcol = MAXCOL; 3049 #ifdef FEAT_VIRTUALEDIT 3050 int is_oneChar = FALSE; 3051 colnr_T cs, ce; 3052 #endif 3053 p = ml_get(lnum); 3054 bd.startspaces = 0; 3055 bd.endspaces = 0; 3056 3057 if (lnum == oap->start.lnum) 3058 { 3059 startcol = oap->start.col; 3060 #ifdef FEAT_VIRTUALEDIT 3061 if (virtual_op) 3062 { 3063 getvcol(curwin, &oap->start, &cs, NULL, &ce); 3064 if (ce != cs && oap->start.coladd > 0) 3065 { 3066 /* Part of a tab selected -- but don't 3067 * double-count it. */ 3068 bd.startspaces = (ce - cs + 1) 3069 - oap->start.coladd; 3070 startcol++; 3071 } 3072 } 3073 #endif 3074 } 3075 3076 if (lnum == oap->end.lnum) 3077 { 3078 endcol = oap->end.col; 3079 #ifdef FEAT_VIRTUALEDIT 3080 if (virtual_op) 3081 { 3082 getvcol(curwin, &oap->end, &cs, NULL, &ce); 3083 if (p[endcol] == NUL || (cs + oap->end.coladd < ce 3084 # ifdef FEAT_MBYTE 3085 /* Don't add space for double-wide 3086 * char; endcol will be on last byte 3087 * of multi-byte char. */ 3088 && (*mb_head_off)(p, p + endcol) == 0 3089 # endif 3090 )) 3091 { 3092 if (oap->start.lnum == oap->end.lnum 3093 && oap->start.col == oap->end.col) 3094 { 3095 /* Special case: inside a single char */ 3096 is_oneChar = TRUE; 3097 bd.startspaces = oap->end.coladd 3098 - oap->start.coladd + oap->inclusive; 3099 endcol = startcol; 3100 } 3101 else 3102 { 3103 bd.endspaces = oap->end.coladd 3104 + oap->inclusive; 3105 endcol -= oap->inclusive; 3106 } 3107 } 3108 } 3109 #endif 3110 } 3111 if (endcol == MAXCOL) 3112 endcol = (colnr_T)STRLEN(p); 3113 if (startcol > endcol 3114 #ifdef FEAT_VIRTUALEDIT 3115 || is_oneChar 3116 #endif 3117 ) 3118 bd.textlen = 0; 3119 else 3120 { 3121 bd.textlen = endcol - startcol + oap->inclusive; 3122 } 3123 bd.textstart = p + startcol; 3124 if (yank_copy_line(&bd, y_idx) == FAIL) 3125 goto fail; 3126 break; 3127 } 3128 /* NOTREACHED */ 3129 } 3130 } 3131 3132 if (curr != y_current) /* append the new block to the old block */ 3133 { 3134 new_ptr = (char_u **)lalloc((long_u)(sizeof(char_u *) * 3135 (curr->y_size + y_current->y_size)), TRUE); 3136 if (new_ptr == NULL) 3137 goto fail; 3138 for (j = 0; j < curr->y_size; ++j) 3139 new_ptr[j] = curr->y_array[j]; 3140 vim_free(curr->y_array); 3141 curr->y_array = new_ptr; 3142 #ifdef FEAT_VIMINFO 3143 curr->y_time_set = vim_time(); 3144 #endif 3145 3146 if (yanktype == MLINE) /* MLINE overrides MCHAR and MBLOCK */ 3147 curr->y_type = MLINE; 3148 3149 /* Concatenate the last line of the old block with the first line of 3150 * the new block, unless being Vi compatible. */ 3151 if (curr->y_type == MCHAR && vim_strchr(p_cpo, CPO_REGAPPEND) == NULL) 3152 { 3153 pnew = lalloc((long_u)(STRLEN(curr->y_array[curr->y_size - 1]) 3154 + STRLEN(y_current->y_array[0]) + 1), TRUE); 3155 if (pnew == NULL) 3156 { 3157 y_idx = y_current->y_size - 1; 3158 goto fail; 3159 } 3160 STRCPY(pnew, curr->y_array[--j]); 3161 STRCAT(pnew, y_current->y_array[0]); 3162 vim_free(curr->y_array[j]); 3163 vim_free(y_current->y_array[0]); 3164 curr->y_array[j++] = pnew; 3165 y_idx = 1; 3166 } 3167 else 3168 y_idx = 0; 3169 while (y_idx < y_current->y_size) 3170 curr->y_array[j++] = y_current->y_array[y_idx++]; 3171 curr->y_size = j; 3172 vim_free(y_current->y_array); 3173 y_current = curr; 3174 } 3175 if (curwin->w_p_rnu) 3176 redraw_later(SOME_VALID); /* cursor moved to start */ 3177 if (mess) /* Display message about yank? */ 3178 { 3179 if (yanktype == MCHAR 3180 && !oap->block_mode 3181 && yanklines == 1) 3182 yanklines = 0; 3183 /* Some versions of Vi use ">=" here, some don't... */ 3184 if (yanklines > p_report) 3185 { 3186 char namebuf[100]; 3187 3188 if (oap->regname == NUL) 3189 *namebuf = NUL; 3190 else 3191 vim_snprintf(namebuf, sizeof(namebuf), 3192 _(" into \"%c"), oap->regname); 3193 3194 /* redisplay now, so message is not deleted */ 3195 update_topline_redraw(); 3196 if (yanklines == 1) 3197 { 3198 if (oap->block_mode) 3199 smsg((char_u *)_("block of 1 line yanked%s"), namebuf); 3200 else 3201 smsg((char_u *)_("1 line yanked%s"), namebuf); 3202 } 3203 else if (oap->block_mode) 3204 smsg((char_u *)_("block of %ld lines yanked%s"), 3205 yanklines, namebuf); 3206 else 3207 smsg((char_u *)_("%ld lines yanked%s"), yanklines, 3208 namebuf); 3209 } 3210 } 3211 3212 /* 3213 * Set "'[" and "']" marks. 3214 */ 3215 curbuf->b_op_start = oap->start; 3216 curbuf->b_op_end = oap->end; 3217 if (yanktype == MLINE && !oap->block_mode) 3218 { 3219 curbuf->b_op_start.col = 0; 3220 curbuf->b_op_end.col = MAXCOL; 3221 } 3222 3223 #ifdef FEAT_CLIPBOARD 3224 /* 3225 * If we were yanking to the '*' register, send result to clipboard. 3226 * If no register was specified, and "unnamed" in 'clipboard', make a copy 3227 * to the '*' register. 3228 */ 3229 if (clip_star.available 3230 && (curr == &(y_regs[STAR_REGISTER]) 3231 || (!deleting && oap->regname == 0 3232 && ((clip_unnamed | clip_unnamed_saved) & CLIP_UNNAMED)))) 3233 { 3234 if (curr != &(y_regs[STAR_REGISTER])) 3235 /* Copy the text from register 0 to the clipboard register. */ 3236 copy_yank_reg(&(y_regs[STAR_REGISTER])); 3237 3238 clip_own_selection(&clip_star); 3239 clip_gen_set_selection(&clip_star); 3240 # ifdef FEAT_X11 3241 did_star = TRUE; 3242 # endif 3243 } 3244 3245 # ifdef FEAT_X11 3246 /* 3247 * If we were yanking to the '+' register, send result to selection. 3248 * Also copy to the '*' register, in case auto-select is off. 3249 */ 3250 if (clip_plus.available 3251 && (curr == &(y_regs[PLUS_REGISTER]) 3252 || (!deleting && oap->regname == 0 3253 && ((clip_unnamed | clip_unnamed_saved) & 3254 CLIP_UNNAMED_PLUS)))) 3255 { 3256 if (curr != &(y_regs[PLUS_REGISTER])) 3257 /* Copy the text from register 0 to the clipboard register. */ 3258 copy_yank_reg(&(y_regs[PLUS_REGISTER])); 3259 3260 clip_own_selection(&clip_plus); 3261 clip_gen_set_selection(&clip_plus); 3262 if (!clip_isautosel_star() && !clip_isautosel_plus() 3263 && !did_star && curr == &(y_regs[PLUS_REGISTER])) 3264 { 3265 copy_yank_reg(&(y_regs[STAR_REGISTER])); 3266 clip_own_selection(&clip_star); 3267 clip_gen_set_selection(&clip_star); 3268 } 3269 } 3270 # endif 3271 #endif 3272 3273 return OK; 3274 3275 fail: /* free the allocated lines */ 3276 free_yank(y_idx + 1); 3277 y_current = curr; 3278 return FAIL; 3279 } 3280 3281 static int 3282 yank_copy_line(struct block_def *bd, long y_idx) 3283 { 3284 char_u *pnew; 3285 3286 if ((pnew = alloc(bd->startspaces + bd->endspaces + bd->textlen + 1)) 3287 == NULL) 3288 return FAIL; 3289 y_current->y_array[y_idx] = pnew; 3290 vim_memset(pnew, ' ', (size_t)bd->startspaces); 3291 pnew += bd->startspaces; 3292 mch_memmove(pnew, bd->textstart, (size_t)bd->textlen); 3293 pnew += bd->textlen; 3294 vim_memset(pnew, ' ', (size_t)bd->endspaces); 3295 pnew += bd->endspaces; 3296 *pnew = NUL; 3297 return OK; 3298 } 3299 3300 #ifdef FEAT_CLIPBOARD 3301 /* 3302 * Make a copy of the y_current register to register "reg". 3303 */ 3304 static void 3305 copy_yank_reg(yankreg_T *reg) 3306 { 3307 yankreg_T *curr = y_current; 3308 long j; 3309 3310 y_current = reg; 3311 free_yank_all(); 3312 *y_current = *curr; 3313 y_current->y_array = (char_u **)lalloc_clear( 3314 (long_u)(sizeof(char_u *) * y_current->y_size), TRUE); 3315 if (y_current->y_array == NULL) 3316 y_current->y_size = 0; 3317 else 3318 for (j = 0; j < y_current->y_size; ++j) 3319 if ((y_current->y_array[j] = vim_strsave(curr->y_array[j])) == NULL) 3320 { 3321 free_yank(j); 3322 y_current->y_size = 0; 3323 break; 3324 } 3325 y_current = curr; 3326 } 3327 #endif 3328 3329 /* 3330 * Put contents of register "regname" into the text. 3331 * Caller must check "regname" to be valid! 3332 * "flags": PUT_FIXINDENT make indent look nice 3333 * PUT_CURSEND leave cursor after end of new text 3334 * PUT_LINE force linewise put (":put") 3335 */ 3336 void 3337 do_put( 3338 int regname, 3339 int dir, /* BACKWARD for 'P', FORWARD for 'p' */ 3340 long count, 3341 int flags) 3342 { 3343 char_u *ptr; 3344 char_u *newp, *oldp; 3345 int yanklen; 3346 int totlen = 0; /* init for gcc */ 3347 linenr_T lnum; 3348 colnr_T col; 3349 long i; /* index in y_array[] */ 3350 int y_type; 3351 long y_size; 3352 int oldlen; 3353 long y_width = 0; 3354 colnr_T vcol; 3355 int delcount; 3356 int incr = 0; 3357 long j; 3358 struct block_def bd; 3359 char_u **y_array = NULL; 3360 long nr_lines = 0; 3361 pos_T new_cursor; 3362 int indent; 3363 int orig_indent = 0; /* init for gcc */ 3364 int indent_diff = 0; /* init for gcc */ 3365 int first_indent = TRUE; 3366 int lendiff = 0; 3367 pos_T old_pos; 3368 char_u *insert_string = NULL; 3369 int allocated = FALSE; 3370 long cnt; 3371 3372 #ifdef FEAT_CLIPBOARD 3373 /* Adjust register name for "unnamed" in 'clipboard'. */ 3374 adjust_clip_reg(®name); 3375 (void)may_get_selection(regname); 3376 #endif 3377 3378 if (flags & PUT_FIXINDENT) 3379 orig_indent = get_indent(); 3380 3381 curbuf->b_op_start = curwin->w_cursor; /* default for '[ mark */ 3382 curbuf->b_op_end = curwin->w_cursor; /* default for '] mark */ 3383 3384 /* 3385 * Using inserted text works differently, because the register includes 3386 * special characters (newlines, etc.). 3387 */ 3388 if (regname == '.') 3389 { 3390 if (VIsual_active) 3391 stuffcharReadbuff(VIsual_mode); 3392 (void)stuff_inserted((dir == FORWARD ? (count == -1 ? 'o' : 'a') : 3393 (count == -1 ? 'O' : 'i')), count, FALSE); 3394 /* Putting the text is done later, so can't really move the cursor to 3395 * the next character. Use "l" to simulate it. */ 3396 if ((flags & PUT_CURSEND) && gchar_cursor() != NUL) 3397 stuffcharReadbuff('l'); 3398 return; 3399 } 3400 3401 /* 3402 * For special registers '%' (file name), '#' (alternate file name) and 3403 * ':' (last command line), etc. we have to create a fake yank register. 3404 */ 3405 if (get_spec_reg(regname, &insert_string, &allocated, TRUE)) 3406 { 3407 if (insert_string == NULL) 3408 return; 3409 } 3410 3411 #ifdef FEAT_AUTOCMD 3412 /* Autocommands may be executed when saving lines for undo, which may make 3413 * y_array invalid. Start undo now to avoid that. */ 3414 u_save(curwin->w_cursor.lnum, curwin->w_cursor.lnum + 1); 3415 #endif 3416 3417 if (insert_string != NULL) 3418 { 3419 y_type = MCHAR; 3420 #ifdef FEAT_EVAL 3421 if (regname == '=') 3422 { 3423 /* For the = register we need to split the string at NL 3424 * characters. 3425 * Loop twice: count the number of lines and save them. */ 3426 for (;;) 3427 { 3428 y_size = 0; 3429 ptr = insert_string; 3430 while (ptr != NULL) 3431 { 3432 if (y_array != NULL) 3433 y_array[y_size] = ptr; 3434 ++y_size; 3435 ptr = vim_strchr(ptr, '\n'); 3436 if (ptr != NULL) 3437 { 3438 if (y_array != NULL) 3439 *ptr = NUL; 3440 ++ptr; 3441 /* A trailing '\n' makes the register linewise. */ 3442 if (*ptr == NUL) 3443 { 3444 y_type = MLINE; 3445 break; 3446 } 3447 } 3448 } 3449 if (y_array != NULL) 3450 break; 3451 y_array = (char_u **)alloc((unsigned) 3452 (y_size * sizeof(char_u *))); 3453 if (y_array == NULL) 3454 goto end; 3455 } 3456 } 3457 else 3458 #endif 3459 { 3460 y_size = 1; /* use fake one-line yank register */ 3461 y_array = &insert_string; 3462 } 3463 } 3464 else 3465 { 3466 get_yank_register(regname, FALSE); 3467 3468 y_type = y_current->y_type; 3469 y_width = y_current->y_width; 3470 y_size = y_current->y_size; 3471 y_array = y_current->y_array; 3472 } 3473 3474 if (y_type == MLINE) 3475 { 3476 if (flags & PUT_LINE_SPLIT) 3477 { 3478 char_u *p; 3479 3480 /* "p" or "P" in Visual mode: split the lines to put the text in 3481 * between. */ 3482 if (u_save_cursor() == FAIL) 3483 goto end; 3484 p = ml_get_cursor(); 3485 if (dir == FORWARD && *p != NUL) 3486 MB_PTR_ADV(p); 3487 ptr = vim_strsave(p); 3488 if (ptr == NULL) 3489 goto end; 3490 ml_append(curwin->w_cursor.lnum, ptr, (colnr_T)0, FALSE); 3491 vim_free(ptr); 3492 3493 oldp = ml_get_curline(); 3494 p = oldp + curwin->w_cursor.col; 3495 if (dir == FORWARD && *p != NUL) 3496 MB_PTR_ADV(p); 3497 ptr = vim_strnsave(oldp, p - oldp); 3498 if (ptr == NULL) 3499 goto end; 3500 ml_replace(curwin->w_cursor.lnum, ptr, FALSE); 3501 ++nr_lines; 3502 dir = FORWARD; 3503 } 3504 if (flags & PUT_LINE_FORWARD) 3505 { 3506 /* Must be "p" for a Visual block, put lines below the block. */ 3507 curwin->w_cursor = curbuf->b_visual.vi_end; 3508 dir = FORWARD; 3509 } 3510 curbuf->b_op_start = curwin->w_cursor; /* default for '[ mark */ 3511 curbuf->b_op_end = curwin->w_cursor; /* default for '] mark */ 3512 } 3513 3514 if (flags & PUT_LINE) /* :put command or "p" in Visual line mode. */ 3515 y_type = MLINE; 3516 3517 if (y_size == 0 || y_array == NULL) 3518 { 3519 EMSG2(_("E353: Nothing in register %s"), 3520 regname == 0 ? (char_u *)"\"" : transchar(regname)); 3521 goto end; 3522 } 3523 3524 if (y_type == MBLOCK) 3525 { 3526 lnum = curwin->w_cursor.lnum + y_size + 1; 3527 if (lnum > curbuf->b_ml.ml_line_count) 3528 lnum = curbuf->b_ml.ml_line_count + 1; 3529 if (u_save(curwin->w_cursor.lnum - 1, lnum) == FAIL) 3530 goto end; 3531 } 3532 else if (y_type == MLINE) 3533 { 3534 lnum = curwin->w_cursor.lnum; 3535 #ifdef FEAT_FOLDING 3536 /* Correct line number for closed fold. Don't move the cursor yet, 3537 * u_save() uses it. */ 3538 if (dir == BACKWARD) 3539 (void)hasFolding(lnum, &lnum, NULL); 3540 else 3541 (void)hasFolding(lnum, NULL, &lnum); 3542 #endif 3543 if (dir == FORWARD) 3544 ++lnum; 3545 /* In an empty buffer the empty line is going to be replaced, include 3546 * it in the saved lines. */ 3547 if ((BUFEMPTY() ? u_save(0, 2) : u_save(lnum - 1, lnum)) == FAIL) 3548 goto end; 3549 #ifdef FEAT_FOLDING 3550 if (dir == FORWARD) 3551 curwin->w_cursor.lnum = lnum - 1; 3552 else 3553 curwin->w_cursor.lnum = lnum; 3554 curbuf->b_op_start = curwin->w_cursor; /* for mark_adjust() */ 3555 #endif 3556 } 3557 else if (u_save_cursor() == FAIL) 3558 goto end; 3559 3560 yanklen = (int)STRLEN(y_array[0]); 3561 3562 #ifdef FEAT_VIRTUALEDIT 3563 if (ve_flags == VE_ALL && y_type == MCHAR) 3564 { 3565 if (gchar_cursor() == TAB) 3566 { 3567 /* Don't need to insert spaces when "p" on the last position of a 3568 * tab or "P" on the first position. */ 3569 if (dir == FORWARD 3570 ? (int)curwin->w_cursor.coladd < curbuf->b_p_ts - 1 3571 : curwin->w_cursor.coladd > 0) 3572 coladvance_force(getviscol()); 3573 else 3574 curwin->w_cursor.coladd = 0; 3575 } 3576 else if (curwin->w_cursor.coladd > 0 || gchar_cursor() == NUL) 3577 coladvance_force(getviscol() + (dir == FORWARD)); 3578 } 3579 #endif 3580 3581 lnum = curwin->w_cursor.lnum; 3582 col = curwin->w_cursor.col; 3583 3584 /* 3585 * Block mode 3586 */ 3587 if (y_type == MBLOCK) 3588 { 3589 int c = gchar_cursor(); 3590 colnr_T endcol2 = 0; 3591 3592 if (dir == FORWARD && c != NUL) 3593 { 3594 #ifdef FEAT_VIRTUALEDIT 3595 if (ve_flags == VE_ALL) 3596 getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2); 3597 else 3598 #endif 3599 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col); 3600 3601 #ifdef FEAT_MBYTE 3602 if (has_mbyte) 3603 /* move to start of next multi-byte character */ 3604 curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor()); 3605 else 3606 #endif 3607 #ifdef FEAT_VIRTUALEDIT 3608 if (c != TAB || ve_flags != VE_ALL) 3609 #endif 3610 ++curwin->w_cursor.col; 3611 ++col; 3612 } 3613 else 3614 getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2); 3615 3616 #ifdef FEAT_VIRTUALEDIT 3617 col += curwin->w_cursor.coladd; 3618 if (ve_flags == VE_ALL 3619 && (curwin->w_cursor.coladd > 0 3620 || endcol2 == curwin->w_cursor.col)) 3621 { 3622 if (dir == FORWARD && c == NUL) 3623 ++col; 3624 if (dir != FORWARD && c != NUL) 3625 ++curwin->w_cursor.col; 3626 if (c == TAB) 3627 { 3628 if (dir == BACKWARD && curwin->w_cursor.col) 3629 curwin->w_cursor.col--; 3630 if (dir == FORWARD && col - 1 == endcol2) 3631 curwin->w_cursor.col++; 3632 } 3633 } 3634 curwin->w_cursor.coladd = 0; 3635 #endif 3636 bd.textcol = 0; 3637 for (i = 0; i < y_size; ++i) 3638 { 3639 int spaces; 3640 char shortline; 3641 3642 bd.startspaces = 0; 3643 bd.endspaces = 0; 3644 vcol = 0; 3645 delcount = 0; 3646 3647 /* add a new line */ 3648 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) 3649 { 3650 if (ml_append(curbuf->b_ml.ml_line_count, (char_u *)"", 3651 (colnr_T)1, FALSE) == FAIL) 3652 break; 3653 ++nr_lines; 3654 } 3655 /* get the old line and advance to the position to insert at */ 3656 oldp = ml_get_curline(); 3657 oldlen = (int)STRLEN(oldp); 3658 for (ptr = oldp; vcol < col && *ptr; ) 3659 { 3660 /* Count a tab for what it's worth (if list mode not on) */ 3661 incr = lbr_chartabsize_adv(oldp, &ptr, (colnr_T)vcol); 3662 vcol += incr; 3663 } 3664 bd.textcol = (colnr_T)(ptr - oldp); 3665 3666 shortline = (vcol < col) || (vcol == col && !*ptr) ; 3667 3668 if (vcol < col) /* line too short, padd with spaces */ 3669 bd.startspaces = col - vcol; 3670 else if (vcol > col) 3671 { 3672 bd.endspaces = vcol - col; 3673 bd.startspaces = incr - bd.endspaces; 3674 --bd.textcol; 3675 delcount = 1; 3676 #ifdef FEAT_MBYTE 3677 if (has_mbyte) 3678 bd.textcol -= (*mb_head_off)(oldp, oldp + bd.textcol); 3679 #endif 3680 if (oldp[bd.textcol] != TAB) 3681 { 3682 /* Only a Tab can be split into spaces. Other 3683 * characters will have to be moved to after the 3684 * block, causing misalignment. */ 3685 delcount = 0; 3686 bd.endspaces = 0; 3687 } 3688 } 3689 3690 yanklen = (int)STRLEN(y_array[i]); 3691 3692 /* calculate number of spaces required to fill right side of block*/ 3693 spaces = y_width + 1; 3694 for (j = 0; j < yanklen; j++) 3695 spaces -= lbr_chartabsize(NULL, &y_array[i][j], 0); 3696 if (spaces < 0) 3697 spaces = 0; 3698 3699 /* insert the new text */ 3700 totlen = count * (yanklen + spaces) + bd.startspaces + bd.endspaces; 3701 newp = alloc_check((unsigned)totlen + oldlen + 1); 3702 if (newp == NULL) 3703 break; 3704 /* copy part up to cursor to new line */ 3705 ptr = newp; 3706 mch_memmove(ptr, oldp, (size_t)bd.textcol); 3707 ptr += bd.textcol; 3708 /* may insert some spaces before the new text */ 3709 vim_memset(ptr, ' ', (size_t)bd.startspaces); 3710 ptr += bd.startspaces; 3711 /* insert the new text */ 3712 for (j = 0; j < count; ++j) 3713 { 3714 mch_memmove(ptr, y_array[i], (size_t)yanklen); 3715 ptr += yanklen; 3716 3717 /* insert block's trailing spaces only if there's text behind */ 3718 if ((j < count - 1 || !shortline) && spaces) 3719 { 3720 vim_memset(ptr, ' ', (size_t)spaces); 3721 ptr += spaces; 3722 } 3723 } 3724 /* may insert some spaces after the new text */ 3725 vim_memset(ptr, ' ', (size_t)bd.endspaces); 3726 ptr += bd.endspaces; 3727 /* move the text after the cursor to the end of the line. */ 3728 mch_memmove(ptr, oldp + bd.textcol + delcount, 3729 (size_t)(oldlen - bd.textcol - delcount + 1)); 3730 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 3731 3732 ++curwin->w_cursor.lnum; 3733 if (i == 0) 3734 curwin->w_cursor.col += bd.startspaces; 3735 } 3736 3737 changed_lines(lnum, 0, curwin->w_cursor.lnum, nr_lines); 3738 3739 /* Set '[ mark. */ 3740 curbuf->b_op_start = curwin->w_cursor; 3741 curbuf->b_op_start.lnum = lnum; 3742 3743 /* adjust '] mark */ 3744 curbuf->b_op_end.lnum = curwin->w_cursor.lnum - 1; 3745 curbuf->b_op_end.col = bd.textcol + totlen - 1; 3746 # ifdef FEAT_VIRTUALEDIT 3747 curbuf->b_op_end.coladd = 0; 3748 # endif 3749 if (flags & PUT_CURSEND) 3750 { 3751 colnr_T len; 3752 3753 curwin->w_cursor = curbuf->b_op_end; 3754 curwin->w_cursor.col++; 3755 3756 /* in Insert mode we might be after the NUL, correct for that */ 3757 len = (colnr_T)STRLEN(ml_get_curline()); 3758 if (curwin->w_cursor.col > len) 3759 curwin->w_cursor.col = len; 3760 } 3761 else 3762 curwin->w_cursor.lnum = lnum; 3763 } 3764 else 3765 { 3766 /* 3767 * Character or Line mode 3768 */ 3769 if (y_type == MCHAR) 3770 { 3771 /* if type is MCHAR, FORWARD is the same as BACKWARD on the next 3772 * char */ 3773 if (dir == FORWARD && gchar_cursor() != NUL) 3774 { 3775 #ifdef FEAT_MBYTE 3776 if (has_mbyte) 3777 { 3778 int bytelen = (*mb_ptr2len)(ml_get_cursor()); 3779 3780 /* put it on the next of the multi-byte character. */ 3781 col += bytelen; 3782 if (yanklen) 3783 { 3784 curwin->w_cursor.col += bytelen; 3785 curbuf->b_op_end.col += bytelen; 3786 } 3787 } 3788 else 3789 #endif 3790 { 3791 ++col; 3792 if (yanklen) 3793 { 3794 ++curwin->w_cursor.col; 3795 ++curbuf->b_op_end.col; 3796 } 3797 } 3798 } 3799 curbuf->b_op_start = curwin->w_cursor; 3800 } 3801 /* 3802 * Line mode: BACKWARD is the same as FORWARD on the previous line 3803 */ 3804 else if (dir == BACKWARD) 3805 --lnum; 3806 new_cursor = curwin->w_cursor; 3807 3808 /* 3809 * simple case: insert into current line 3810 */ 3811 if (y_type == MCHAR && y_size == 1) 3812 { 3813 linenr_T end_lnum = 0; /* init for gcc */ 3814 3815 if (VIsual_active) 3816 { 3817 end_lnum = curbuf->b_visual.vi_end.lnum; 3818 if (end_lnum < curbuf->b_visual.vi_start.lnum) 3819 end_lnum = curbuf->b_visual.vi_start.lnum; 3820 } 3821 3822 do { 3823 totlen = count * yanklen; 3824 if (totlen > 0) 3825 { 3826 oldp = ml_get(lnum); 3827 if (VIsual_active && col > (int)STRLEN(oldp)) 3828 { 3829 lnum++; 3830 continue; 3831 } 3832 newp = alloc_check((unsigned)(STRLEN(oldp) + totlen + 1)); 3833 if (newp == NULL) 3834 goto end; /* alloc() gave an error message */ 3835 mch_memmove(newp, oldp, (size_t)col); 3836 ptr = newp + col; 3837 for (i = 0; i < count; ++i) 3838 { 3839 mch_memmove(ptr, y_array[0], (size_t)yanklen); 3840 ptr += yanklen; 3841 } 3842 STRMOVE(ptr, oldp + col); 3843 ml_replace(lnum, newp, FALSE); 3844 /* Place cursor on last putted char. */ 3845 if (lnum == curwin->w_cursor.lnum) 3846 { 3847 /* make sure curwin->w_virtcol is updated */ 3848 changed_cline_bef_curs(); 3849 curwin->w_cursor.col += (colnr_T)(totlen - 1); 3850 } 3851 } 3852 if (VIsual_active) 3853 lnum++; 3854 } while (VIsual_active && lnum <= end_lnum); 3855 3856 if (VIsual_active) /* reset lnum to the last visual line */ 3857 lnum--; 3858 3859 curbuf->b_op_end = curwin->w_cursor; 3860 /* For "CTRL-O p" in Insert mode, put cursor after last char */ 3861 if (totlen && (restart_edit != 0 || (flags & PUT_CURSEND))) 3862 ++curwin->w_cursor.col; 3863 changed_bytes(lnum, col); 3864 } 3865 else 3866 { 3867 /* 3868 * Insert at least one line. When y_type is MCHAR, break the first 3869 * line in two. 3870 */ 3871 for (cnt = 1; cnt <= count; ++cnt) 3872 { 3873 i = 0; 3874 if (y_type == MCHAR) 3875 { 3876 /* 3877 * Split the current line in two at the insert position. 3878 * First insert y_array[size - 1] in front of second line. 3879 * Then append y_array[0] to first line. 3880 */ 3881 lnum = new_cursor.lnum; 3882 ptr = ml_get(lnum) + col; 3883 totlen = (int)STRLEN(y_array[y_size - 1]); 3884 newp = alloc_check((unsigned)(STRLEN(ptr) + totlen + 1)); 3885 if (newp == NULL) 3886 goto error; 3887 STRCPY(newp, y_array[y_size - 1]); 3888 STRCAT(newp, ptr); 3889 /* insert second line */ 3890 ml_append(lnum, newp, (colnr_T)0, FALSE); 3891 vim_free(newp); 3892 3893 oldp = ml_get(lnum); 3894 newp = alloc_check((unsigned)(col + yanklen + 1)); 3895 if (newp == NULL) 3896 goto error; 3897 /* copy first part of line */ 3898 mch_memmove(newp, oldp, (size_t)col); 3899 /* append to first line */ 3900 mch_memmove(newp + col, y_array[0], (size_t)(yanklen + 1)); 3901 ml_replace(lnum, newp, FALSE); 3902 3903 curwin->w_cursor.lnum = lnum; 3904 i = 1; 3905 } 3906 3907 for (; i < y_size; ++i) 3908 { 3909 if ((y_type != MCHAR || i < y_size - 1) 3910 && ml_append(lnum, y_array[i], (colnr_T)0, FALSE) 3911 == FAIL) 3912 goto error; 3913 lnum++; 3914 ++nr_lines; 3915 if (flags & PUT_FIXINDENT) 3916 { 3917 old_pos = curwin->w_cursor; 3918 curwin->w_cursor.lnum = lnum; 3919 ptr = ml_get(lnum); 3920 if (cnt == count && i == y_size - 1) 3921 lendiff = (int)STRLEN(ptr); 3922 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) 3923 if (*ptr == '#' && preprocs_left()) 3924 indent = 0; /* Leave # lines at start */ 3925 else 3926 #endif 3927 if (*ptr == NUL) 3928 indent = 0; /* Ignore empty lines */ 3929 else if (first_indent) 3930 { 3931 indent_diff = orig_indent - get_indent(); 3932 indent = orig_indent; 3933 first_indent = FALSE; 3934 } 3935 else if ((indent = get_indent() + indent_diff) < 0) 3936 indent = 0; 3937 (void)set_indent(indent, 0); 3938 curwin->w_cursor = old_pos; 3939 /* remember how many chars were removed */ 3940 if (cnt == count && i == y_size - 1) 3941 lendiff -= (int)STRLEN(ml_get(lnum)); 3942 } 3943 } 3944 } 3945 3946 error: 3947 /* Adjust marks. */ 3948 if (y_type == MLINE) 3949 { 3950 curbuf->b_op_start.col = 0; 3951 if (dir == FORWARD) 3952 curbuf->b_op_start.lnum++; 3953 } 3954 /* Skip mark_adjust when adding lines after the last one, there 3955 * can't be marks there. But still needed in diff mode. */ 3956 if (curbuf->b_op_start.lnum + (y_type == MCHAR) - 1 + nr_lines 3957 < curbuf->b_ml.ml_line_count 3958 #ifdef FEAT_DIFF 3959 || curwin->w_p_diff 3960 #endif 3961 ) 3962 mark_adjust(curbuf->b_op_start.lnum + (y_type == MCHAR), 3963 (linenr_T)MAXLNUM, nr_lines, 0L); 3964 3965 /* note changed text for displaying and folding */ 3966 if (y_type == MCHAR) 3967 changed_lines(curwin->w_cursor.lnum, col, 3968 curwin->w_cursor.lnum + 1, nr_lines); 3969 else 3970 changed_lines(curbuf->b_op_start.lnum, 0, 3971 curbuf->b_op_start.lnum, nr_lines); 3972 3973 /* put '] mark at last inserted character */ 3974 curbuf->b_op_end.lnum = lnum; 3975 /* correct length for change in indent */ 3976 col = (colnr_T)STRLEN(y_array[y_size - 1]) - lendiff; 3977 if (col > 1) 3978 curbuf->b_op_end.col = col - 1; 3979 else 3980 curbuf->b_op_end.col = 0; 3981 3982 if (flags & PUT_CURSLINE) 3983 { 3984 /* ":put": put cursor on last inserted line */ 3985 curwin->w_cursor.lnum = lnum; 3986 beginline(BL_WHITE | BL_FIX); 3987 } 3988 else if (flags & PUT_CURSEND) 3989 { 3990 /* put cursor after inserted text */ 3991 if (y_type == MLINE) 3992 { 3993 if (lnum >= curbuf->b_ml.ml_line_count) 3994 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; 3995 else 3996 curwin->w_cursor.lnum = lnum + 1; 3997 curwin->w_cursor.col = 0; 3998 } 3999 else 4000 { 4001 curwin->w_cursor.lnum = lnum; 4002 curwin->w_cursor.col = col; 4003 } 4004 } 4005 else if (y_type == MLINE) 4006 { 4007 /* put cursor on first non-blank in first inserted line */ 4008 curwin->w_cursor.col = 0; 4009 if (dir == FORWARD) 4010 ++curwin->w_cursor.lnum; 4011 beginline(BL_WHITE | BL_FIX); 4012 } 4013 else /* put cursor on first inserted character */ 4014 curwin->w_cursor = new_cursor; 4015 } 4016 } 4017 4018 msgmore(nr_lines); 4019 curwin->w_set_curswant = TRUE; 4020 4021 end: 4022 if (allocated) 4023 vim_free(insert_string); 4024 if (regname == '=') 4025 vim_free(y_array); 4026 4027 VIsual_active = FALSE; 4028 4029 /* If the cursor is past the end of the line put it at the end. */ 4030 adjust_cursor_eol(); 4031 } 4032 4033 /* 4034 * When the cursor is on the NUL past the end of the line and it should not be 4035 * there move it left. 4036 */ 4037 void 4038 adjust_cursor_eol(void) 4039 { 4040 if (curwin->w_cursor.col > 0 4041 && gchar_cursor() == NUL 4042 #ifdef FEAT_VIRTUALEDIT 4043 && (ve_flags & VE_ONEMORE) == 0 4044 #endif 4045 && !(restart_edit || (State & INSERT))) 4046 { 4047 /* Put the cursor on the last character in the line. */ 4048 dec_cursor(); 4049 4050 #ifdef FEAT_VIRTUALEDIT 4051 if (ve_flags == VE_ALL) 4052 { 4053 colnr_T scol, ecol; 4054 4055 /* Coladd is set to the width of the last character. */ 4056 getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol); 4057 curwin->w_cursor.coladd = ecol - scol + 1; 4058 } 4059 #endif 4060 } 4061 } 4062 4063 #if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) || defined(PROTO) 4064 /* 4065 * Return TRUE if lines starting with '#' should be left aligned. 4066 */ 4067 int 4068 preprocs_left(void) 4069 { 4070 return 4071 # ifdef FEAT_SMARTINDENT 4072 # ifdef FEAT_CINDENT 4073 (curbuf->b_p_si && !curbuf->b_p_cin) || 4074 # else 4075 curbuf->b_p_si 4076 # endif 4077 # endif 4078 # ifdef FEAT_CINDENT 4079 (curbuf->b_p_cin && in_cinkeys('#', ' ', TRUE) 4080 && curbuf->b_ind_hash_comment == 0) 4081 # endif 4082 ; 4083 } 4084 #endif 4085 4086 /* 4087 * Return the character name of the register with the given number. 4088 */ 4089 int 4090 get_register_name(int num) 4091 { 4092 if (num == -1) 4093 return '"'; 4094 else if (num < 10) 4095 return num + '0'; 4096 else if (num == DELETION_REGISTER) 4097 return '-'; 4098 #ifdef FEAT_CLIPBOARD 4099 else if (num == STAR_REGISTER) 4100 return '*'; 4101 else if (num == PLUS_REGISTER) 4102 return '+'; 4103 #endif 4104 else 4105 { 4106 #ifdef EBCDIC 4107 int i; 4108 4109 /* EBCDIC is really braindead ... */ 4110 i = 'a' + (num - 10); 4111 if (i > 'i') 4112 i += 7; 4113 if (i > 'r') 4114 i += 8; 4115 return i; 4116 #else 4117 return num + 'a' - 10; 4118 #endif 4119 } 4120 } 4121 4122 /* 4123 * ":dis" and ":registers": Display the contents of the yank registers. 4124 */ 4125 void 4126 ex_display(exarg_T *eap) 4127 { 4128 int i, n; 4129 long j; 4130 char_u *p; 4131 yankreg_T *yb; 4132 int name; 4133 int attr; 4134 char_u *arg = eap->arg; 4135 #ifdef FEAT_MBYTE 4136 int clen; 4137 #else 4138 # define clen 1 4139 #endif 4140 4141 if (arg != NULL && *arg == NUL) 4142 arg = NULL; 4143 attr = HL_ATTR(HLF_8); 4144 4145 /* Highlight title */ 4146 MSG_PUTS_TITLE(_("\n--- Registers ---")); 4147 for (i = -1; i < NUM_REGISTERS && !got_int; ++i) 4148 { 4149 name = get_register_name(i); 4150 if (arg != NULL && vim_strchr(arg, name) == NULL 4151 #ifdef ONE_CLIPBOARD 4152 /* Star register and plus register contain the same thing. */ 4153 && (name != '*' || vim_strchr(arg, '+') == NULL) 4154 #endif 4155 ) 4156 continue; /* did not ask for this register */ 4157 4158 #ifdef FEAT_CLIPBOARD 4159 /* Adjust register name for "unnamed" in 'clipboard'. 4160 * When it's a clipboard register, fill it with the current contents 4161 * of the clipboard. */ 4162 adjust_clip_reg(&name); 4163 (void)may_get_selection(name); 4164 #endif 4165 4166 if (i == -1) 4167 { 4168 if (y_previous != NULL) 4169 yb = y_previous; 4170 else 4171 yb = &(y_regs[0]); 4172 } 4173 else 4174 yb = &(y_regs[i]); 4175 4176 #ifdef FEAT_EVAL 4177 if (name == MB_TOLOWER(redir_reg) 4178 || (redir_reg == '"' && yb == y_previous)) 4179 continue; /* do not list register being written to, the 4180 * pointer can be freed */ 4181 #endif 4182 4183 if (yb->y_array != NULL) 4184 { 4185 msg_putchar('\n'); 4186 msg_putchar('"'); 4187 msg_putchar(name); 4188 MSG_PUTS(" "); 4189 4190 n = (int)Columns - 6; 4191 for (j = 0; j < yb->y_size && n > 1; ++j) 4192 { 4193 if (j) 4194 { 4195 MSG_PUTS_ATTR("^J", attr); 4196 n -= 2; 4197 } 4198 for (p = yb->y_array[j]; *p && (n -= ptr2cells(p)) >= 0; ++p) 4199 { 4200 #ifdef FEAT_MBYTE 4201 clen = (*mb_ptr2len)(p); 4202 #endif 4203 msg_outtrans_len(p, clen); 4204 #ifdef FEAT_MBYTE 4205 p += clen - 1; 4206 #endif 4207 } 4208 } 4209 if (n > 1 && yb->y_type == MLINE) 4210 MSG_PUTS_ATTR("^J", attr); 4211 out_flush(); /* show one line at a time */ 4212 } 4213 ui_breakcheck(); 4214 } 4215 4216 /* 4217 * display last inserted text 4218 */ 4219 if ((p = get_last_insert()) != NULL 4220 && (arg == NULL || vim_strchr(arg, '.') != NULL) && !got_int) 4221 { 4222 MSG_PUTS("\n\". "); 4223 dis_msg(p, TRUE); 4224 } 4225 4226 /* 4227 * display last command line 4228 */ 4229 if (last_cmdline != NULL && (arg == NULL || vim_strchr(arg, ':') != NULL) 4230 && !got_int) 4231 { 4232 MSG_PUTS("\n\": "); 4233 dis_msg(last_cmdline, FALSE); 4234 } 4235 4236 /* 4237 * display current file name 4238 */ 4239 if (curbuf->b_fname != NULL 4240 && (arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int) 4241 { 4242 MSG_PUTS("\n\"% "); 4243 dis_msg(curbuf->b_fname, FALSE); 4244 } 4245 4246 /* 4247 * display alternate file name 4248 */ 4249 if ((arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int) 4250 { 4251 char_u *fname; 4252 linenr_T dummy; 4253 4254 if (buflist_name_nr(0, &fname, &dummy) != FAIL) 4255 { 4256 MSG_PUTS("\n\"# "); 4257 dis_msg(fname, FALSE); 4258 } 4259 } 4260 4261 /* 4262 * display last search pattern 4263 */ 4264 if (last_search_pat() != NULL 4265 && (arg == NULL || vim_strchr(arg, '/') != NULL) && !got_int) 4266 { 4267 MSG_PUTS("\n\"/ "); 4268 dis_msg(last_search_pat(), FALSE); 4269 } 4270 4271 #ifdef FEAT_EVAL 4272 /* 4273 * display last used expression 4274 */ 4275 if (expr_line != NULL && (arg == NULL || vim_strchr(arg, '=') != NULL) 4276 && !got_int) 4277 { 4278 MSG_PUTS("\n\"= "); 4279 dis_msg(expr_line, FALSE); 4280 } 4281 #endif 4282 } 4283 4284 /* 4285 * display a string for do_dis() 4286 * truncate at end of screen line 4287 */ 4288 static void 4289 dis_msg( 4290 char_u *p, 4291 int skip_esc) /* if TRUE, ignore trailing ESC */ 4292 { 4293 int n; 4294 #ifdef FEAT_MBYTE 4295 int l; 4296 #endif 4297 4298 n = (int)Columns - 6; 4299 while (*p != NUL 4300 && !(*p == ESC && skip_esc && *(p + 1) == NUL) 4301 && (n -= ptr2cells(p)) >= 0) 4302 { 4303 #ifdef FEAT_MBYTE 4304 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) 4305 { 4306 msg_outtrans_len(p, l); 4307 p += l; 4308 } 4309 else 4310 #endif 4311 msg_outtrans_len(p++, 1); 4312 } 4313 ui_breakcheck(); 4314 } 4315 4316 #if defined(FEAT_COMMENTS) || defined(PROTO) 4317 /* 4318 * If "process" is TRUE and the line begins with a comment leader (possibly 4319 * after some white space), return a pointer to the text after it. Put a boolean 4320 * value indicating whether the line ends with an unclosed comment in 4321 * "is_comment". 4322 * line - line to be processed, 4323 * process - if FALSE, will only check whether the line ends with an unclosed 4324 * comment, 4325 * include_space - whether to also skip space following the comment leader, 4326 * is_comment - will indicate whether the current line ends with an unclosed 4327 * comment. 4328 */ 4329 char_u * 4330 skip_comment( 4331 char_u *line, 4332 int process, 4333 int include_space, 4334 int *is_comment) 4335 { 4336 char_u *comment_flags = NULL; 4337 int lead_len; 4338 int leader_offset = get_last_leader_offset(line, &comment_flags); 4339 4340 *is_comment = FALSE; 4341 if (leader_offset != -1) 4342 { 4343 /* Let's check whether the line ends with an unclosed comment. 4344 * If the last comment leader has COM_END in flags, there's no comment. 4345 */ 4346 while (*comment_flags) 4347 { 4348 if (*comment_flags == COM_END 4349 || *comment_flags == ':') 4350 break; 4351 ++comment_flags; 4352 } 4353 if (*comment_flags != COM_END) 4354 *is_comment = TRUE; 4355 } 4356 4357 if (process == FALSE) 4358 return line; 4359 4360 lead_len = get_leader_len(line, &comment_flags, FALSE, include_space); 4361 4362 if (lead_len == 0) 4363 return line; 4364 4365 /* Find: 4366 * - COM_END, 4367 * - colon, 4368 * whichever comes first. 4369 */ 4370 while (*comment_flags) 4371 { 4372 if (*comment_flags == COM_END 4373 || *comment_flags == ':') 4374 { 4375 break; 4376 } 4377 ++comment_flags; 4378 } 4379 4380 /* If we found a colon, it means that we are not processing a line 4381 * starting with a closing part of a three-part comment. That's good, 4382 * because we don't want to remove those as this would be annoying. 4383 */ 4384 if (*comment_flags == ':' || *comment_flags == NUL) 4385 line += lead_len; 4386 4387 return line; 4388 } 4389 #endif 4390 4391 /* 4392 * Join 'count' lines (minimal 2) at cursor position. 4393 * When "save_undo" is TRUE save lines for undo first. 4394 * Set "use_formatoptions" to FALSE when e.g. processing backspace and comment 4395 * leaders should not be removed. 4396 * When setmark is TRUE, sets the '[ and '] mark, else, the caller is expected 4397 * to set those marks. 4398 * 4399 * return FAIL for failure, OK otherwise 4400 */ 4401 int 4402 do_join( 4403 long count, 4404 int insert_space, 4405 int save_undo, 4406 int use_formatoptions UNUSED, 4407 int setmark) 4408 { 4409 char_u *curr = NULL; 4410 char_u *curr_start = NULL; 4411 char_u *cend; 4412 char_u *newp; 4413 char_u *spaces; /* number of spaces inserted before a line */ 4414 int endcurr1 = NUL; 4415 int endcurr2 = NUL; 4416 int currsize = 0; /* size of the current line */ 4417 int sumsize = 0; /* size of the long new line */ 4418 linenr_T t; 4419 colnr_T col = 0; 4420 int ret = OK; 4421 #if defined(FEAT_COMMENTS) || defined(PROTO) 4422 int *comments = NULL; 4423 int remove_comments = (use_formatoptions == TRUE) 4424 && has_format_option(FO_REMOVE_COMS); 4425 int prev_was_comment; 4426 #endif 4427 4428 4429 if (save_undo && u_save((linenr_T)(curwin->w_cursor.lnum - 1), 4430 (linenr_T)(curwin->w_cursor.lnum + count)) == FAIL) 4431 return FAIL; 4432 4433 /* Allocate an array to store the number of spaces inserted before each 4434 * line. We will use it to pre-compute the length of the new line and the 4435 * proper placement of each original line in the new one. */ 4436 spaces = lalloc_clear((long_u)count, TRUE); 4437 if (spaces == NULL) 4438 return FAIL; 4439 #if defined(FEAT_COMMENTS) || defined(PROTO) 4440 if (remove_comments) 4441 { 4442 comments = (int *)lalloc_clear((long_u)count * sizeof(int), TRUE); 4443 if (comments == NULL) 4444 { 4445 vim_free(spaces); 4446 return FAIL; 4447 } 4448 } 4449 #endif 4450 4451 /* 4452 * Don't move anything, just compute the final line length 4453 * and setup the array of space strings lengths 4454 */ 4455 for (t = 0; t < count; ++t) 4456 { 4457 curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t)); 4458 if (t == 0 && setmark) 4459 { 4460 /* Set the '[ mark. */ 4461 curwin->w_buffer->b_op_start.lnum = curwin->w_cursor.lnum; 4462 curwin->w_buffer->b_op_start.col = (colnr_T)STRLEN(curr); 4463 } 4464 #if defined(FEAT_COMMENTS) || defined(PROTO) 4465 if (remove_comments) 4466 { 4467 /* We don't want to remove the comment leader if the 4468 * previous line is not a comment. */ 4469 if (t > 0 && prev_was_comment) 4470 { 4471 4472 char_u *new_curr = skip_comment(curr, TRUE, insert_space, 4473 &prev_was_comment); 4474 comments[t] = (int)(new_curr - curr); 4475 curr = new_curr; 4476 } 4477 else 4478 curr = skip_comment(curr, FALSE, insert_space, 4479 &prev_was_comment); 4480 } 4481 #endif 4482 4483 if (insert_space && t > 0) 4484 { 4485 curr = skipwhite(curr); 4486 if (*curr != ')' && currsize != 0 && endcurr1 != TAB 4487 #ifdef FEAT_MBYTE 4488 && (!has_format_option(FO_MBYTE_JOIN) 4489 || (mb_ptr2char(curr) < 0x100 && endcurr1 < 0x100)) 4490 && (!has_format_option(FO_MBYTE_JOIN2) 4491 || mb_ptr2char(curr) < 0x100 || endcurr1 < 0x100) 4492 #endif 4493 ) 4494 { 4495 /* don't add a space if the line is ending in a space */ 4496 if (endcurr1 == ' ') 4497 endcurr1 = endcurr2; 4498 else 4499 ++spaces[t]; 4500 /* extra space when 'joinspaces' set and line ends in '.' */ 4501 if ( p_js 4502 && (endcurr1 == '.' 4503 || (vim_strchr(p_cpo, CPO_JOINSP) == NULL 4504 && (endcurr1 == '?' || endcurr1 == '!')))) 4505 ++spaces[t]; 4506 } 4507 } 4508 currsize = (int)STRLEN(curr); 4509 sumsize += currsize + spaces[t]; 4510 endcurr1 = endcurr2 = NUL; 4511 if (insert_space && currsize > 0) 4512 { 4513 #ifdef FEAT_MBYTE 4514 if (has_mbyte) 4515 { 4516 cend = curr + currsize; 4517 MB_PTR_BACK(curr, cend); 4518 endcurr1 = (*mb_ptr2char)(cend); 4519 if (cend > curr) 4520 { 4521 MB_PTR_BACK(curr, cend); 4522 endcurr2 = (*mb_ptr2char)(cend); 4523 } 4524 } 4525 else 4526 #endif 4527 { 4528 endcurr1 = *(curr + currsize - 1); 4529 if (currsize > 1) 4530 endcurr2 = *(curr + currsize - 2); 4531 } 4532 } 4533 line_breakcheck(); 4534 if (got_int) 4535 { 4536 ret = FAIL; 4537 goto theend; 4538 } 4539 } 4540 4541 /* store the column position before last line */ 4542 col = sumsize - currsize - spaces[count - 1]; 4543 4544 /* allocate the space for the new line */ 4545 newp = alloc_check((unsigned)(sumsize + 1)); 4546 cend = newp + sumsize; 4547 *cend = 0; 4548 4549 /* 4550 * Move affected lines to the new long one. 4551 * 4552 * Move marks from each deleted line to the joined line, adjusting the 4553 * column. This is not Vi compatible, but Vi deletes the marks, thus that 4554 * should not really be a problem. 4555 */ 4556 for (t = count - 1; ; --t) 4557 { 4558 cend -= currsize; 4559 mch_memmove(cend, curr, (size_t)currsize); 4560 if (spaces[t] > 0) 4561 { 4562 cend -= spaces[t]; 4563 vim_memset(cend, ' ', (size_t)(spaces[t])); 4564 } 4565 mark_col_adjust(curwin->w_cursor.lnum + t, (colnr_T)0, (linenr_T)-t, 4566 (long)(cend - newp + spaces[t] - (curr - curr_start))); 4567 if (t == 0) 4568 break; 4569 curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t - 1)); 4570 #if defined(FEAT_COMMENTS) || defined(PROTO) 4571 if (remove_comments) 4572 curr += comments[t - 1]; 4573 #endif 4574 if (insert_space && t > 1) 4575 curr = skipwhite(curr); 4576 currsize = (int)STRLEN(curr); 4577 } 4578 ml_replace(curwin->w_cursor.lnum, newp, FALSE); 4579 4580 if (setmark) 4581 { 4582 /* Set the '] mark. */ 4583 curwin->w_buffer->b_op_end.lnum = curwin->w_cursor.lnum; 4584 curwin->w_buffer->b_op_end.col = (colnr_T)STRLEN(newp); 4585 } 4586 4587 /* Only report the change in the first line here, del_lines() will report 4588 * the deleted line. */ 4589 changed_lines(curwin->w_cursor.lnum, currsize, 4590 curwin->w_cursor.lnum + 1, 0L); 4591 4592 /* 4593 * Delete following lines. To do this we move the cursor there 4594 * briefly, and then move it back. After del_lines() the cursor may 4595 * have moved up (last line deleted), so the current lnum is kept in t. 4596 */ 4597 t = curwin->w_cursor.lnum; 4598 ++curwin->w_cursor.lnum; 4599 del_lines(count - 1, FALSE); 4600 curwin->w_cursor.lnum = t; 4601 4602 /* 4603 * Set the cursor column: 4604 * Vi compatible: use the column of the first join 4605 * vim: use the column of the last join 4606 */ 4607 curwin->w_cursor.col = 4608 (vim_strchr(p_cpo, CPO_JOINCOL) != NULL ? currsize : col); 4609 check_cursor_col(); 4610 4611 #ifdef FEAT_VIRTUALEDIT 4612 curwin->w_cursor.coladd = 0; 4613 #endif 4614 curwin->w_set_curswant = TRUE; 4615 4616 theend: 4617 vim_free(spaces); 4618 #if defined(FEAT_COMMENTS) || defined(PROTO) 4619 if (remove_comments) 4620 vim_free(comments); 4621 #endif 4622 return ret; 4623 } 4624 4625 #ifdef FEAT_COMMENTS 4626 /* 4627 * Return TRUE if the two comment leaders given are the same. "lnum" is 4628 * the first line. White-space is ignored. Note that the whole of 4629 * 'leader1' must match 'leader2_len' characters from 'leader2' -- webb 4630 */ 4631 static int 4632 same_leader( 4633 linenr_T lnum, 4634 int leader1_len, 4635 char_u *leader1_flags, 4636 int leader2_len, 4637 char_u *leader2_flags) 4638 { 4639 int idx1 = 0, idx2 = 0; 4640 char_u *p; 4641 char_u *line1; 4642 char_u *line2; 4643 4644 if (leader1_len == 0) 4645 return (leader2_len == 0); 4646 4647 /* 4648 * If first leader has 'f' flag, the lines can be joined only if the 4649 * second line does not have a leader. 4650 * If first leader has 'e' flag, the lines can never be joined. 4651 * If fist leader has 's' flag, the lines can only be joined if there is 4652 * some text after it and the second line has the 'm' flag. 4653 */ 4654 if (leader1_flags != NULL) 4655 { 4656 for (p = leader1_flags; *p && *p != ':'; ++p) 4657 { 4658 if (*p == COM_FIRST) 4659 return (leader2_len == 0); 4660 if (*p == COM_END) 4661 return FALSE; 4662 if (*p == COM_START) 4663 { 4664 if (*(ml_get(lnum) + leader1_len) == NUL) 4665 return FALSE; 4666 if (leader2_flags == NULL || leader2_len == 0) 4667 return FALSE; 4668 for (p = leader2_flags; *p && *p != ':'; ++p) 4669 if (*p == COM_MIDDLE) 4670 return TRUE; 4671 return FALSE; 4672 } 4673 } 4674 } 4675 4676 /* 4677 * Get current line and next line, compare the leaders. 4678 * The first line has to be saved, only one line can be locked at a time. 4679 */ 4680 line1 = vim_strsave(ml_get(lnum)); 4681 if (line1 != NULL) 4682 { 4683 for (idx1 = 0; VIM_ISWHITE(line1[idx1]); ++idx1) 4684 ; 4685 line2 = ml_get(lnum + 1); 4686 for (idx2 = 0; idx2 < leader2_len; ++idx2) 4687 { 4688 if (!VIM_ISWHITE(line2[idx2])) 4689 { 4690 if (line1[idx1++] != line2[idx2]) 4691 break; 4692 } 4693 else 4694 while (VIM_ISWHITE(line1[idx1])) 4695 ++idx1; 4696 } 4697 vim_free(line1); 4698 } 4699 return (idx2 == leader2_len && idx1 == leader1_len); 4700 } 4701 #endif 4702 4703 /* 4704 * Implementation of the format operator 'gq'. 4705 */ 4706 void 4707 op_format( 4708 oparg_T *oap, 4709 int keep_cursor) /* keep cursor on same text char */ 4710 { 4711 long old_line_count = curbuf->b_ml.ml_line_count; 4712 4713 /* Place the cursor where the "gq" or "gw" command was given, so that "u" 4714 * can put it back there. */ 4715 curwin->w_cursor = oap->cursor_start; 4716 4717 if (u_save((linenr_T)(oap->start.lnum - 1), 4718 (linenr_T)(oap->end.lnum + 1)) == FAIL) 4719 return; 4720 curwin->w_cursor = oap->start; 4721 4722 if (oap->is_VIsual) 4723 /* When there is no change: need to remove the Visual selection */ 4724 redraw_curbuf_later(INVERTED); 4725 4726 /* Set '[ mark at the start of the formatted area */ 4727 curbuf->b_op_start = oap->start; 4728 4729 /* For "gw" remember the cursor position and put it back below (adjusted 4730 * for joined and split lines). */ 4731 if (keep_cursor) 4732 saved_cursor = oap->cursor_start; 4733 4734 format_lines(oap->line_count, keep_cursor); 4735 4736 /* 4737 * Leave the cursor at the first non-blank of the last formatted line. 4738 * If the cursor was moved one line back (e.g. with "Q}") go to the next 4739 * line, so "." will do the next lines. 4740 */ 4741 if (oap->end_adjusted && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) 4742 ++curwin->w_cursor.lnum; 4743 beginline(BL_WHITE | BL_FIX); 4744 old_line_count = curbuf->b_ml.ml_line_count - old_line_count; 4745 msgmore(old_line_count); 4746 4747 /* put '] mark on the end of the formatted area */ 4748 curbuf->b_op_end = curwin->w_cursor; 4749 4750 if (keep_cursor) 4751 { 4752 curwin->w_cursor = saved_cursor; 4753 saved_cursor.lnum = 0; 4754 } 4755 4756 if (oap->is_VIsual) 4757 { 4758 win_T *wp; 4759 4760 FOR_ALL_WINDOWS(wp) 4761 { 4762 if (wp->w_old_cursor_lnum != 0) 4763 { 4764 /* When lines have been inserted or deleted, adjust the end of 4765 * the Visual area to be redrawn. */ 4766 if (wp->w_old_cursor_lnum > wp->w_old_visual_lnum) 4767 wp->w_old_cursor_lnum += old_line_count; 4768 else 4769 wp->w_old_visual_lnum += old_line_count; 4770 } 4771 } 4772 } 4773 } 4774 4775 #if defined(FEAT_EVAL) || defined(PROTO) 4776 /* 4777 * Implementation of the format operator 'gq' for when using 'formatexpr'. 4778 */ 4779 void 4780 op_formatexpr(oparg_T *oap) 4781 { 4782 if (oap->is_VIsual) 4783 /* When there is no change: need to remove the Visual selection */ 4784 redraw_curbuf_later(INVERTED); 4785 4786 if (fex_format(oap->start.lnum, oap->line_count, NUL) != 0) 4787 /* As documented: when 'formatexpr' returns non-zero fall back to 4788 * internal formatting. */ 4789 op_format(oap, FALSE); 4790 } 4791 4792 int 4793 fex_format( 4794 linenr_T lnum, 4795 long count, 4796 int c) /* character to be inserted */ 4797 { 4798 int use_sandbox = was_set_insecurely((char_u *)"formatexpr", 4799 OPT_LOCAL); 4800 int r; 4801 char_u *fex; 4802 4803 /* 4804 * Set v:lnum to the first line number and v:count to the number of lines. 4805 * Set v:char to the character to be inserted (can be NUL). 4806 */ 4807 set_vim_var_nr(VV_LNUM, lnum); 4808 set_vim_var_nr(VV_COUNT, count); 4809 set_vim_var_char(c); 4810 4811 /* Make a copy, the option could be changed while calling it. */ 4812 fex = vim_strsave(curbuf->b_p_fex); 4813 if (fex == NULL) 4814 return 0; 4815 4816 /* 4817 * Evaluate the function. 4818 */ 4819 if (use_sandbox) 4820 ++sandbox; 4821 r = (int)eval_to_number(fex); 4822 if (use_sandbox) 4823 --sandbox; 4824 4825 set_vim_var_string(VV_CHAR, NULL, -1); 4826 vim_free(fex); 4827 4828 return r; 4829 } 4830 #endif 4831 4832 /* 4833 * Format "line_count" lines, starting at the cursor position. 4834 * When "line_count" is negative, format until the end of the paragraph. 4835 * Lines after the cursor line are saved for undo, caller must have saved the 4836 * first line. 4837 */ 4838 void 4839 format_lines( 4840 linenr_T line_count, 4841 int avoid_fex) /* don't use 'formatexpr' */ 4842 { 4843 int max_len; 4844 int is_not_par; /* current line not part of parag. */ 4845 int next_is_not_par; /* next line not part of paragraph */ 4846 int is_end_par; /* at end of paragraph */ 4847 int prev_is_end_par = FALSE;/* prev. line not part of parag. */ 4848 int next_is_start_par = FALSE; 4849 #ifdef FEAT_COMMENTS 4850 int leader_len = 0; /* leader len of current line */ 4851 int next_leader_len; /* leader len of next line */ 4852 char_u *leader_flags = NULL; /* flags for leader of current line */ 4853 char_u *next_leader_flags; /* flags for leader of next line */ 4854 int do_comments; /* format comments */ 4855 int do_comments_list = 0; /* format comments with 'n' or '2' */ 4856 #endif 4857 int advance = TRUE; 4858 int second_indent = -1; /* indent for second line (comment 4859 * aware) */ 4860 int do_second_indent; 4861 int do_number_indent; 4862 int do_trail_white; 4863 int first_par_line = TRUE; 4864 int smd_save; 4865 long count; 4866 int need_set_indent = TRUE; /* set indent of next paragraph */ 4867 int force_format = FALSE; 4868 int old_State = State; 4869 4870 /* length of a line to force formatting: 3 * 'tw' */ 4871 max_len = comp_textwidth(TRUE) * 3; 4872 4873 /* check for 'q', '2' and '1' in 'formatoptions' */ 4874 #ifdef FEAT_COMMENTS 4875 do_comments = has_format_option(FO_Q_COMS); 4876 #endif 4877 do_second_indent = has_format_option(FO_Q_SECOND); 4878 do_number_indent = has_format_option(FO_Q_NUMBER); 4879 do_trail_white = has_format_option(FO_WHITE_PAR); 4880 4881 /* 4882 * Get info about the previous and current line. 4883 */ 4884 if (curwin->w_cursor.lnum > 1) 4885 is_not_par = fmt_check_par(curwin->w_cursor.lnum - 1 4886 #ifdef FEAT_COMMENTS 4887 , &leader_len, &leader_flags, do_comments 4888 #endif 4889 ); 4890 else 4891 is_not_par = TRUE; 4892 next_is_not_par = fmt_check_par(curwin->w_cursor.lnum 4893 #ifdef FEAT_COMMENTS 4894 , &next_leader_len, &next_leader_flags, do_comments 4895 #endif 4896 ); 4897 is_end_par = (is_not_par || next_is_not_par); 4898 if (!is_end_par && do_trail_white) 4899 is_end_par = !ends_in_white(curwin->w_cursor.lnum - 1); 4900 4901 curwin->w_cursor.lnum--; 4902 for (count = line_count; count != 0 && !got_int; --count) 4903 { 4904 /* 4905 * Advance to next paragraph. 4906 */ 4907 if (advance) 4908 { 4909 curwin->w_cursor.lnum++; 4910 prev_is_end_par = is_end_par; 4911 is_not_par = next_is_not_par; 4912 #ifdef FEAT_COMMENTS 4913 leader_len = next_leader_len; 4914 leader_flags = next_leader_flags; 4915 #endif 4916 } 4917 4918 /* 4919 * The last line to be formatted. 4920 */ 4921 if (count == 1 || curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) 4922 { 4923 next_is_not_par = TRUE; 4924 #ifdef FEAT_COMMENTS 4925 next_leader_len = 0; 4926 next_leader_flags = NULL; 4927 #endif 4928 } 4929 else 4930 { 4931 next_is_not_par = fmt_check_par(curwin->w_cursor.lnum + 1 4932 #ifdef FEAT_COMMENTS 4933 , &next_leader_len, &next_leader_flags, do_comments 4934 #endif 4935 ); 4936 if (do_number_indent) 4937 next_is_start_par = 4938 (get_number_indent(curwin->w_cursor.lnum + 1) > 0); 4939 } 4940 advance = TRUE; 4941 is_end_par = (is_not_par || next_is_not_par || next_is_start_par); 4942 if (!is_end_par && do_trail_white) 4943 is_end_par = !ends_in_white(curwin->w_cursor.lnum); 4944 4945 /* 4946 * Skip lines that are not in a paragraph. 4947 */ 4948 if (is_not_par) 4949 { 4950 if (line_count < 0) 4951 break; 4952 } 4953 else 4954 { 4955 /* 4956 * For the first line of a paragraph, check indent of second line. 4957 * Don't do this for comments and empty lines. 4958 */ 4959 if (first_par_line 4960 && (do_second_indent || do_number_indent) 4961 && prev_is_end_par 4962 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) 4963 { 4964 if (do_second_indent && !LINEEMPTY(curwin->w_cursor.lnum + 1)) 4965 { 4966 #ifdef FEAT_COMMENTS 4967 if (leader_len == 0 && next_leader_len == 0) 4968 { 4969 /* no comment found */ 4970 #endif 4971 second_indent = 4972 get_indent_lnum(curwin->w_cursor.lnum + 1); 4973 #ifdef FEAT_COMMENTS 4974 } 4975 else 4976 { 4977 second_indent = next_leader_len; 4978 do_comments_list = 1; 4979 } 4980 #endif 4981 } 4982 else if (do_number_indent) 4983 { 4984 #ifdef FEAT_COMMENTS 4985 if (leader_len == 0 && next_leader_len == 0) 4986 { 4987 /* no comment found */ 4988 #endif 4989 second_indent = 4990 get_number_indent(curwin->w_cursor.lnum); 4991 #ifdef FEAT_COMMENTS 4992 } 4993 else 4994 { 4995 /* get_number_indent() is now "comment aware"... */ 4996 second_indent = 4997 get_number_indent(curwin->w_cursor.lnum); 4998 do_comments_list = 1; 4999 } 5000 #endif 5001 } 5002 } 5003 5004 /* 5005 * When the comment leader changes, it's the end of the paragraph. 5006 */ 5007 if (curwin->w_cursor.lnum >= curbuf->b_ml.ml_line_count 5008 #ifdef FEAT_COMMENTS 5009 || !same_leader(curwin->w_cursor.lnum, 5010 leader_len, leader_flags, 5011 next_leader_len, next_leader_flags) 5012 #endif 5013 ) 5014 is_end_par = TRUE; 5015 5016 /* 5017 * If we have got to the end of a paragraph, or the line is 5018 * getting long, format it. 5019 */ 5020 if (is_end_par || force_format) 5021 { 5022 if (need_set_indent) 5023 /* replace indent in first line with minimal number of 5024 * tabs and spaces, according to current options */ 5025 (void)set_indent(get_indent(), SIN_CHANGED); 5026 5027 /* put cursor on last non-space */ 5028 State = NORMAL; /* don't go past end-of-line */ 5029 coladvance((colnr_T)MAXCOL); 5030 while (curwin->w_cursor.col && vim_isspace(gchar_cursor())) 5031 dec_cursor(); 5032 5033 /* do the formatting, without 'showmode' */ 5034 State = INSERT; /* for open_line() */ 5035 smd_save = p_smd; 5036 p_smd = FALSE; 5037 insertchar(NUL, INSCHAR_FORMAT 5038 #ifdef FEAT_COMMENTS 5039 + (do_comments ? INSCHAR_DO_COM : 0) 5040 + (do_comments && do_comments_list 5041 ? INSCHAR_COM_LIST : 0) 5042 #endif 5043 + (avoid_fex ? INSCHAR_NO_FEX : 0), second_indent); 5044 State = old_State; 5045 p_smd = smd_save; 5046 second_indent = -1; 5047 /* at end of par.: need to set indent of next par. */ 5048 need_set_indent = is_end_par; 5049 if (is_end_par) 5050 { 5051 /* When called with a negative line count, break at the 5052 * end of the paragraph. */ 5053 if (line_count < 0) 5054 break; 5055 first_par_line = TRUE; 5056 } 5057 force_format = FALSE; 5058 } 5059 5060 /* 5061 * When still in same paragraph, join the lines together. But 5062 * first delete the leader from the second line. 5063 */ 5064 if (!is_end_par) 5065 { 5066 advance = FALSE; 5067 curwin->w_cursor.lnum++; 5068 curwin->w_cursor.col = 0; 5069 if (line_count < 0 && u_save_cursor() == FAIL) 5070 break; 5071 #ifdef FEAT_COMMENTS 5072 if (next_leader_len > 0) 5073 { 5074 (void)del_bytes((long)next_leader_len, FALSE, FALSE); 5075 mark_col_adjust(curwin->w_cursor.lnum, (colnr_T)0, 0L, 5076 (long)-next_leader_len); 5077 } else 5078 #endif 5079 if (second_indent > 0) /* the "leader" for FO_Q_SECOND */ 5080 { 5081 int indent = getwhitecols_curline(); 5082 5083 if (indent > 0) 5084 { 5085 (void)del_bytes(indent, FALSE, FALSE); 5086 mark_col_adjust(curwin->w_cursor.lnum, 5087 (colnr_T)0, 0L, (long)-indent); 5088 } 5089 } 5090 curwin->w_cursor.lnum--; 5091 if (do_join(2, TRUE, FALSE, FALSE, FALSE) == FAIL) 5092 { 5093 beep_flush(); 5094 break; 5095 } 5096 first_par_line = FALSE; 5097 /* If the line is getting long, format it next time */ 5098 if (STRLEN(ml_get_curline()) > (size_t)max_len) 5099 force_format = TRUE; 5100 else 5101 force_format = FALSE; 5102 } 5103 } 5104 line_breakcheck(); 5105 } 5106 } 5107 5108 /* 5109 * Return TRUE if line "lnum" ends in a white character. 5110 */ 5111 static int 5112 ends_in_white(linenr_T lnum) 5113 { 5114 char_u *s = ml_get(lnum); 5115 size_t l; 5116 5117 if (*s == NUL) 5118 return FALSE; 5119 /* Don't use STRLEN() inside VIM_ISWHITE(), SAS/C complains: "macro 5120 * invocation may call function multiple times". */ 5121 l = STRLEN(s) - 1; 5122 return VIM_ISWHITE(s[l]); 5123 } 5124 5125 /* 5126 * Blank lines, and lines containing only the comment leader, are left 5127 * untouched by the formatting. The function returns TRUE in this 5128 * case. It also returns TRUE when a line starts with the end of a comment 5129 * ('e' in comment flags), so that this line is skipped, and not joined to the 5130 * previous line. A new paragraph starts after a blank line, or when the 5131 * comment leader changes -- webb. 5132 */ 5133 #ifdef FEAT_COMMENTS 5134 static int 5135 fmt_check_par( 5136 linenr_T lnum, 5137 int *leader_len, 5138 char_u **leader_flags, 5139 int do_comments) 5140 { 5141 char_u *flags = NULL; /* init for GCC */ 5142 char_u *ptr; 5143 5144 ptr = ml_get(lnum); 5145 if (do_comments) 5146 *leader_len = get_leader_len(ptr, leader_flags, FALSE, TRUE); 5147 else 5148 *leader_len = 0; 5149 5150 if (*leader_len > 0) 5151 { 5152 /* 5153 * Search for 'e' flag in comment leader flags. 5154 */ 5155 flags = *leader_flags; 5156 while (*flags && *flags != ':' && *flags != COM_END) 5157 ++flags; 5158 } 5159 5160 return (*skipwhite(ptr + *leader_len) == NUL 5161 || (*leader_len > 0 && *flags == COM_END) 5162 || startPS(lnum, NUL, FALSE)); 5163 } 5164 #else 5165 static int 5166 fmt_check_par(linenr_T lnum) 5167 { 5168 return (*skipwhite(ml_get(lnum)) == NUL || startPS(lnum, NUL, FALSE)); 5169 } 5170 #endif 5171 5172 /* 5173 * Return TRUE when a paragraph starts in line "lnum". Return FALSE when the 5174 * previous line is in the same paragraph. Used for auto-formatting. 5175 */ 5176 int 5177 paragraph_start(linenr_T lnum) 5178 { 5179 char_u *p; 5180 #ifdef FEAT_COMMENTS 5181 int leader_len = 0; /* leader len of current line */ 5182 char_u *leader_flags = NULL; /* flags for leader of current line */ 5183 int next_leader_len; /* leader len of next line */ 5184 char_u *next_leader_flags; /* flags for leader of next line */ 5185 int do_comments; /* format comments */ 5186 #endif 5187 5188 if (lnum <= 1) 5189 return TRUE; /* start of the file */ 5190 5191 p = ml_get(lnum - 1); 5192 if (*p == NUL) 5193 return TRUE; /* after empty line */ 5194 5195 #ifdef FEAT_COMMENTS 5196 do_comments = has_format_option(FO_Q_COMS); 5197 #endif 5198 if (fmt_check_par(lnum - 1 5199 #ifdef FEAT_COMMENTS 5200 , &leader_len, &leader_flags, do_comments 5201 #endif 5202 )) 5203 return TRUE; /* after non-paragraph line */ 5204 5205 if (fmt_check_par(lnum 5206 #ifdef FEAT_COMMENTS 5207 , &next_leader_len, &next_leader_flags, do_comments 5208 #endif 5209 )) 5210 return TRUE; /* "lnum" is not a paragraph line */ 5211 5212 if (has_format_option(FO_WHITE_PAR) && !ends_in_white(lnum - 1)) 5213 return TRUE; /* missing trailing space in previous line. */ 5214 5215 if (has_format_option(FO_Q_NUMBER) && (get_number_indent(lnum) > 0)) 5216 return TRUE; /* numbered item starts in "lnum". */ 5217 5218 #ifdef FEAT_COMMENTS 5219 if (!same_leader(lnum - 1, leader_len, leader_flags, 5220 next_leader_len, next_leader_flags)) 5221 return TRUE; /* change of comment leader. */ 5222 #endif 5223 5224 return FALSE; 5225 } 5226 5227 /* 5228 * prepare a few things for block mode yank/delete/tilde 5229 * 5230 * for delete: 5231 * - textlen includes the first/last char to be (partly) deleted 5232 * - start/endspaces is the number of columns that are taken by the 5233 * first/last deleted char minus the number of columns that have to be 5234 * deleted. 5235 * for yank and tilde: 5236 * - textlen includes the first/last char to be wholly yanked 5237 * - start/endspaces is the number of columns of the first/last yanked char 5238 * that are to be yanked. 5239 */ 5240 static void 5241 block_prep( 5242 oparg_T *oap, 5243 struct block_def *bdp, 5244 linenr_T lnum, 5245 int is_del) 5246 { 5247 int incr = 0; 5248 char_u *pend; 5249 char_u *pstart; 5250 char_u *line; 5251 char_u *prev_pstart; 5252 char_u *prev_pend; 5253 5254 bdp->startspaces = 0; 5255 bdp->endspaces = 0; 5256 bdp->textlen = 0; 5257 bdp->start_vcol = 0; 5258 bdp->end_vcol = 0; 5259 #ifdef FEAT_VISUALEXTRA 5260 bdp->is_short = FALSE; 5261 bdp->is_oneChar = FALSE; 5262 bdp->pre_whitesp = 0; 5263 bdp->pre_whitesp_c = 0; 5264 bdp->end_char_vcols = 0; 5265 #endif 5266 bdp->start_char_vcols = 0; 5267 5268 line = ml_get(lnum); 5269 pstart = line; 5270 prev_pstart = line; 5271 while (bdp->start_vcol < oap->start_vcol && *pstart) 5272 { 5273 /* Count a tab for what it's worth (if list mode not on) */ 5274 incr = lbr_chartabsize(line, pstart, (colnr_T)bdp->start_vcol); 5275 bdp->start_vcol += incr; 5276 #ifdef FEAT_VISUALEXTRA 5277 if (VIM_ISWHITE(*pstart)) 5278 { 5279 bdp->pre_whitesp += incr; 5280 bdp->pre_whitesp_c++; 5281 } 5282 else 5283 { 5284 bdp->pre_whitesp = 0; 5285 bdp->pre_whitesp_c = 0; 5286 } 5287 #endif 5288 prev_pstart = pstart; 5289 MB_PTR_ADV(pstart); 5290 } 5291 bdp->start_char_vcols = incr; 5292 if (bdp->start_vcol < oap->start_vcol) /* line too short */ 5293 { 5294 bdp->end_vcol = bdp->start_vcol; 5295 #ifdef FEAT_VISUALEXTRA 5296 bdp->is_short = TRUE; 5297 #endif 5298 if (!is_del || oap->op_type == OP_APPEND) 5299 bdp->endspaces = oap->end_vcol - oap->start_vcol + 1; 5300 } 5301 else 5302 { 5303 /* notice: this converts partly selected Multibyte characters to 5304 * spaces, too. */ 5305 bdp->startspaces = bdp->start_vcol - oap->start_vcol; 5306 if (is_del && bdp->startspaces) 5307 bdp->startspaces = bdp->start_char_vcols - bdp->startspaces; 5308 pend = pstart; 5309 bdp->end_vcol = bdp->start_vcol; 5310 if (bdp->end_vcol > oap->end_vcol) /* it's all in one character */ 5311 { 5312 #ifdef FEAT_VISUALEXTRA 5313 bdp->is_oneChar = TRUE; 5314 #endif 5315 if (oap->op_type == OP_INSERT) 5316 bdp->endspaces = bdp->start_char_vcols - bdp->startspaces; 5317 else if (oap->op_type == OP_APPEND) 5318 { 5319 bdp->startspaces += oap->end_vcol - oap->start_vcol + 1; 5320 bdp->endspaces = bdp->start_char_vcols - bdp->startspaces; 5321 } 5322 else 5323 { 5324 bdp->startspaces = oap->end_vcol - oap->start_vcol + 1; 5325 if (is_del && oap->op_type != OP_LSHIFT) 5326 { 5327 /* just putting the sum of those two into 5328 * bdp->startspaces doesn't work for Visual replace, 5329 * so we have to split the tab in two */ 5330 bdp->startspaces = bdp->start_char_vcols 5331 - (bdp->start_vcol - oap->start_vcol); 5332 bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1; 5333 } 5334 } 5335 } 5336 else 5337 { 5338 prev_pend = pend; 5339 while (bdp->end_vcol <= oap->end_vcol && *pend != NUL) 5340 { 5341 /* Count a tab for what it's worth (if list mode not on) */ 5342 prev_pend = pend; 5343 incr = lbr_chartabsize_adv(line, &pend, (colnr_T)bdp->end_vcol); 5344 bdp->end_vcol += incr; 5345 } 5346 if (bdp->end_vcol <= oap->end_vcol 5347 && (!is_del 5348 || oap->op_type == OP_APPEND 5349 || oap->op_type == OP_REPLACE)) /* line too short */ 5350 { 5351 #ifdef FEAT_VISUALEXTRA 5352 bdp->is_short = TRUE; 5353 #endif 5354 /* Alternative: include spaces to fill up the block. 5355 * Disadvantage: can lead to trailing spaces when the line is 5356 * short where the text is put */ 5357 /* if (!is_del || oap->op_type == OP_APPEND) */ 5358 if (oap->op_type == OP_APPEND || virtual_op) 5359 bdp->endspaces = oap->end_vcol - bdp->end_vcol 5360 + oap->inclusive; 5361 else 5362 bdp->endspaces = 0; /* replace doesn't add characters */ 5363 } 5364 else if (bdp->end_vcol > oap->end_vcol) 5365 { 5366 bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1; 5367 if (!is_del && bdp->endspaces) 5368 { 5369 bdp->endspaces = incr - bdp->endspaces; 5370 if (pend != pstart) 5371 pend = prev_pend; 5372 } 5373 } 5374 } 5375 #ifdef FEAT_VISUALEXTRA 5376 bdp->end_char_vcols = incr; 5377 #endif 5378 if (is_del && bdp->startspaces) 5379 pstart = prev_pstart; 5380 bdp->textlen = (int)(pend - pstart); 5381 } 5382 bdp->textcol = (colnr_T) (pstart - line); 5383 bdp->textstart = pstart; 5384 } 5385 5386 /* 5387 * Handle the add/subtract operator. 5388 */ 5389 void 5390 op_addsub( 5391 oparg_T *oap, 5392 linenr_T Prenum1, /* Amount of add/subtract */ 5393 int g_cmd) /* was g<c-a>/g<c-x> */ 5394 { 5395 pos_T pos; 5396 struct block_def bd; 5397 int change_cnt = 0; 5398 linenr_T amount = Prenum1; 5399 5400 if (!VIsual_active) 5401 { 5402 pos = curwin->w_cursor; 5403 if (u_save_cursor() == FAIL) 5404 return; 5405 change_cnt = do_addsub(oap->op_type, &pos, 0, amount); 5406 if (change_cnt) 5407 changed_lines(pos.lnum, 0, pos.lnum + 1, 0L); 5408 } 5409 else 5410 { 5411 int one_change; 5412 int length; 5413 pos_T startpos; 5414 5415 if (u_save((linenr_T)(oap->start.lnum - 1), 5416 (linenr_T)(oap->end.lnum + 1)) == FAIL) 5417 return; 5418 5419 pos = oap->start; 5420 for (; pos.lnum <= oap->end.lnum; ++pos.lnum) 5421 { 5422 if (oap->block_mode) /* Visual block mode */ 5423 { 5424 block_prep(oap, &bd, pos.lnum, FALSE); 5425 pos.col = bd.textcol; 5426 length = bd.textlen; 5427 } 5428 else if (oap->motion_type == MLINE) 5429 { 5430 curwin->w_cursor.col = 0; 5431 pos.col = 0; 5432 length = (colnr_T)STRLEN(ml_get(pos.lnum)); 5433 } 5434 else /* oap->motion_type == MCHAR */ 5435 { 5436 if (!oap->inclusive) 5437 dec(&(oap->end)); 5438 length = (colnr_T)STRLEN(ml_get(pos.lnum)); 5439 pos.col = 0; 5440 if (pos.lnum == oap->start.lnum) 5441 { 5442 pos.col += oap->start.col; 5443 length -= oap->start.col; 5444 } 5445 if (pos.lnum == oap->end.lnum) 5446 { 5447 length = (int)STRLEN(ml_get(oap->end.lnum)); 5448 if (oap->end.col >= length) 5449 oap->end.col = length - 1; 5450 length = oap->end.col - pos.col + 1; 5451 } 5452 } 5453 one_change = do_addsub(oap->op_type, &pos, length, amount); 5454 if (one_change) 5455 { 5456 /* Remember the start position of the first change. */ 5457 if (change_cnt == 0) 5458 startpos = curbuf->b_op_start; 5459 ++change_cnt; 5460 } 5461 5462 #ifdef FEAT_NETBEANS_INTG 5463 if (netbeans_active() && one_change) 5464 { 5465 char_u *ptr = ml_get_buf(curbuf, pos.lnum, FALSE); 5466 5467 netbeans_removed(curbuf, pos.lnum, pos.col, (long)length); 5468 netbeans_inserted(curbuf, pos.lnum, pos.col, 5469 &ptr[pos.col], length); 5470 } 5471 #endif 5472 if (g_cmd && one_change) 5473 amount += Prenum1; 5474 } 5475 if (change_cnt) 5476 changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L); 5477 5478 if (!change_cnt && oap->is_VIsual) 5479 /* No change: need to remove the Visual selection */ 5480 redraw_curbuf_later(INVERTED); 5481 5482 /* Set '[ mark if something changed. Keep the last end 5483 * position from do_addsub(). */ 5484 if (change_cnt > 0) 5485 curbuf->b_op_start = startpos; 5486 5487 if (change_cnt > p_report) 5488 { 5489 if (change_cnt == 1) 5490 MSG(_("1 line changed")); 5491 else 5492 smsg((char_u *)_("%ld lines changed"), change_cnt); 5493 } 5494 } 5495 } 5496 5497 /* 5498 * Add or subtract 'Prenum1' from a number in a line 5499 * op_type is OP_NR_ADD or OP_NR_SUB 5500 * 5501 * Returns TRUE if some character was changed. 5502 */ 5503 static int 5504 do_addsub( 5505 int op_type, 5506 pos_T *pos, 5507 int length, 5508 linenr_T Prenum1) 5509 { 5510 int col; 5511 char_u *buf1; 5512 char_u buf2[NUMBUFLEN]; 5513 int pre; /* 'X'/'x': hex; '0': octal; 'B'/'b': bin */ 5514 static int hexupper = FALSE; /* 0xABC */ 5515 uvarnumber_T n; 5516 uvarnumber_T oldn; 5517 char_u *ptr; 5518 int c; 5519 int todel; 5520 int dohex; 5521 int dooct; 5522 int dobin; 5523 int doalp; 5524 int firstdigit; 5525 int subtract; 5526 int negative = FALSE; 5527 int was_positive = TRUE; 5528 int visual = VIsual_active; 5529 int did_change = FALSE; 5530 pos_T save_cursor = curwin->w_cursor; 5531 int maxlen = 0; 5532 pos_T startpos; 5533 pos_T endpos; 5534 5535 dohex = (vim_strchr(curbuf->b_p_nf, 'x') != NULL); /* "heX" */ 5536 dooct = (vim_strchr(curbuf->b_p_nf, 'o') != NULL); /* "Octal" */ 5537 dobin = (vim_strchr(curbuf->b_p_nf, 'b') != NULL); /* "Bin" */ 5538 doalp = (vim_strchr(curbuf->b_p_nf, 'p') != NULL); /* "alPha" */ 5539 5540 curwin->w_cursor = *pos; 5541 ptr = ml_get(pos->lnum); 5542 col = pos->col; 5543 5544 if (*ptr == NUL) 5545 goto theend; 5546 5547 /* 5548 * First check if we are on a hexadecimal number, after the "0x". 5549 */ 5550 if (!VIsual_active) 5551 { 5552 if (dobin) 5553 while (col > 0 && vim_isbdigit(ptr[col])) 5554 { 5555 --col; 5556 #ifdef FEAT_MBYTE 5557 if (has_mbyte) 5558 col -= (*mb_head_off)(ptr, ptr + col); 5559 #endif 5560 } 5561 5562 if (dohex) 5563 while (col > 0 && vim_isxdigit(ptr[col])) 5564 { 5565 --col; 5566 #ifdef FEAT_MBYTE 5567 if (has_mbyte) 5568 col -= (*mb_head_off)(ptr, ptr + col); 5569 #endif 5570 } 5571 5572 if ( dobin 5573 && dohex 5574 && ! ((col > 0 5575 && (ptr[col] == 'X' 5576 || ptr[col] == 'x') 5577 && ptr[col - 1] == '0' 5578 #ifdef FEAT_MBYTE 5579 && (!has_mbyte || 5580 !(*mb_head_off)(ptr, ptr + col - 1)) 5581 #endif 5582 && vim_isxdigit(ptr[col + 1])))) 5583 { 5584 5585 /* In case of binary/hexadecimal pattern overlap match, rescan */ 5586 5587 col = pos->col; 5588 5589 while (col > 0 && vim_isdigit(ptr[col])) 5590 { 5591 col--; 5592 #ifdef FEAT_MBYTE 5593 if (has_mbyte) 5594 col -= (*mb_head_off)(ptr, ptr + col); 5595 #endif 5596 } 5597 } 5598 5599 if (( dohex 5600 && col > 0 5601 && (ptr[col] == 'X' 5602 || ptr[col] == 'x') 5603 && ptr[col - 1] == '0' 5604 #ifdef FEAT_MBYTE 5605 && (!has_mbyte || 5606 !(*mb_head_off)(ptr, ptr + col - 1)) 5607 #endif 5608 && vim_isxdigit(ptr[col + 1])) || 5609 ( dobin 5610 && col > 0 5611 && (ptr[col] == 'B' 5612 || ptr[col] == 'b') 5613 && ptr[col - 1] == '0' 5614 #ifdef FEAT_MBYTE 5615 && (!has_mbyte || 5616 !(*mb_head_off)(ptr, ptr + col - 1)) 5617 #endif 5618 && vim_isbdigit(ptr[col + 1]))) 5619 { 5620 /* Found hexadecimal or binary number, move to its start. */ 5621 --col; 5622 #ifdef FEAT_MBYTE 5623 if (has_mbyte) 5624 col -= (*mb_head_off)(ptr, ptr + col); 5625 #endif 5626 } 5627 else 5628 { 5629 /* 5630 * Search forward and then backward to find the start of number. 5631 */ 5632 col = pos->col; 5633 5634 while (ptr[col] != NUL 5635 && !vim_isdigit(ptr[col]) 5636 && !(doalp && ASCII_ISALPHA(ptr[col]))) 5637 col += MB_PTR2LEN(ptr + col); 5638 5639 while (col > 0 5640 && vim_isdigit(ptr[col - 1]) 5641 && !(doalp && ASCII_ISALPHA(ptr[col]))) 5642 { 5643 --col; 5644 #ifdef FEAT_MBYTE 5645 if (has_mbyte) 5646 col -= (*mb_head_off)(ptr, ptr + col); 5647 #endif 5648 } 5649 } 5650 } 5651 5652 if (visual) 5653 { 5654 while (ptr[col] != NUL && length > 0 5655 && !vim_isdigit(ptr[col]) 5656 && !(doalp && ASCII_ISALPHA(ptr[col]))) 5657 { 5658 int mb_len = MB_PTR2LEN(ptr + col); 5659 5660 col += mb_len; 5661 length -= mb_len; 5662 } 5663 5664 if (length == 0) 5665 goto theend; 5666 5667 if (col > pos->col && ptr[col - 1] == '-' 5668 #ifdef FEAT_MBYTE 5669 && (!has_mbyte || 5670 !(*mb_head_off)(ptr, ptr + col - 1)) 5671 #endif 5672 ) 5673 { 5674 negative = TRUE; 5675 was_positive = FALSE; 5676 } 5677 } 5678 5679 /* 5680 * If a number was found, and saving for undo works, replace the number. 5681 */ 5682 firstdigit = ptr[col]; 5683 if (!VIM_ISDIGIT(firstdigit) && !(doalp && ASCII_ISALPHA(firstdigit))) 5684 { 5685 beep_flush(); 5686 goto theend; 5687 } 5688 5689 if (doalp && ASCII_ISALPHA(firstdigit)) 5690 { 5691 /* decrement or increment alphabetic character */ 5692 if (op_type == OP_NR_SUB) 5693 { 5694 if (CharOrd(firstdigit) < Prenum1) 5695 { 5696 if (isupper(firstdigit)) 5697 firstdigit = 'A'; 5698 else 5699 firstdigit = 'a'; 5700 } 5701 else 5702 #ifdef EBCDIC 5703 firstdigit = EBCDIC_CHAR_ADD(firstdigit, -Prenum1); 5704 #else 5705 firstdigit -= Prenum1; 5706 #endif 5707 } 5708 else 5709 { 5710 if (26 - CharOrd(firstdigit) - 1 < Prenum1) 5711 { 5712 if (isupper(firstdigit)) 5713 firstdigit = 'Z'; 5714 else 5715 firstdigit = 'z'; 5716 } 5717 else 5718 #ifdef EBCDIC 5719 firstdigit = EBCDIC_CHAR_ADD(firstdigit, Prenum1); 5720 #else 5721 firstdigit += Prenum1; 5722 #endif 5723 } 5724 curwin->w_cursor.col = col; 5725 if (!did_change) 5726 startpos = curwin->w_cursor; 5727 did_change = TRUE; 5728 (void)del_char(FALSE); 5729 ins_char(firstdigit); 5730 endpos = curwin->w_cursor; 5731 curwin->w_cursor.col = col; 5732 } 5733 else 5734 { 5735 if (col > 0 && ptr[col - 1] == '-' 5736 #ifdef FEAT_MBYTE 5737 && (!has_mbyte || 5738 !(*mb_head_off)(ptr, ptr + col - 1)) 5739 #endif 5740 && !visual) 5741 { 5742 /* negative number */ 5743 --col; 5744 negative = TRUE; 5745 } 5746 /* get the number value (unsigned) */ 5747 if (visual && VIsual_mode != 'V') 5748 maxlen = (curbuf->b_visual.vi_curswant == MAXCOL 5749 ? (int)STRLEN(ptr) - col 5750 : length); 5751 5752 vim_str2nr(ptr + col, &pre, &length, 5753 0 + (dobin ? STR2NR_BIN : 0) 5754 + (dooct ? STR2NR_OCT : 0) 5755 + (dohex ? STR2NR_HEX : 0), 5756 NULL, &n, maxlen); 5757 5758 /* ignore leading '-' for hex and octal and bin numbers */ 5759 if (pre && negative) 5760 { 5761 ++col; 5762 --length; 5763 negative = FALSE; 5764 } 5765 /* add or subtract */ 5766 subtract = FALSE; 5767 if (op_type == OP_NR_SUB) 5768 subtract ^= TRUE; 5769 if (negative) 5770 subtract ^= TRUE; 5771 5772 oldn = n; 5773 if (subtract) 5774 n -= (uvarnumber_T)Prenum1; 5775 else 5776 n += (uvarnumber_T)Prenum1; 5777 /* handle wraparound for decimal numbers */ 5778 if (!pre) 5779 { 5780 if (subtract) 5781 { 5782 if (n > oldn) 5783 { 5784 n = 1 + (n ^ (uvarnumber_T)-1); 5785 negative ^= TRUE; 5786 } 5787 } 5788 else 5789 { 5790 /* add */ 5791 if (n < oldn) 5792 { 5793 n = (n ^ (uvarnumber_T)-1); 5794 negative ^= TRUE; 5795 } 5796 } 5797 if (n == 0) 5798 negative = FALSE; 5799 } 5800 5801 if (visual && !was_positive && !negative && col > 0) 5802 { 5803 /* need to remove the '-' */ 5804 col--; 5805 length++; 5806 } 5807 5808 /* 5809 * Delete the old number. 5810 */ 5811 curwin->w_cursor.col = col; 5812 if (!did_change) 5813 startpos = curwin->w_cursor; 5814 did_change = TRUE; 5815 todel = length; 5816 c = gchar_cursor(); 5817 /* 5818 * Don't include the '-' in the length, only the length of the 5819 * part after it is kept the same. 5820 */ 5821 if (c == '-') 5822 --length; 5823 while (todel-- > 0) 5824 { 5825 if (c < 0x100 && isalpha(c)) 5826 { 5827 if (isupper(c)) 5828 hexupper = TRUE; 5829 else 5830 hexupper = FALSE; 5831 } 5832 /* del_char() will mark line needing displaying */ 5833 (void)del_char(FALSE); 5834 c = gchar_cursor(); 5835 } 5836 5837 /* 5838 * Prepare the leading characters in buf1[]. 5839 * When there are many leading zeros it could be very long. 5840 * Allocate a bit too much. 5841 */ 5842 buf1 = alloc((unsigned)length + NUMBUFLEN); 5843 if (buf1 == NULL) 5844 goto theend; 5845 ptr = buf1; 5846 if (negative && (!visual || was_positive)) 5847 { 5848 *ptr++ = '-'; 5849 } 5850 if (pre) 5851 { 5852 *ptr++ = '0'; 5853 --length; 5854 } 5855 if (pre == 'b' || pre == 'B' || 5856 pre == 'x' || pre == 'X') 5857 { 5858 *ptr++ = pre; 5859 --length; 5860 } 5861 5862 /* 5863 * Put the number characters in buf2[]. 5864 */ 5865 if (pre == 'b' || pre == 'B') 5866 { 5867 int i; 5868 int bit = 0; 5869 int bits = sizeof(uvarnumber_T) * 8; 5870 5871 /* leading zeros */ 5872 for (bit = bits; bit > 0; bit--) 5873 if ((n >> (bit - 1)) & 0x1) break; 5874 5875 for (i = 0; bit > 0; bit--) 5876 buf2[i++] = ((n >> (bit - 1)) & 0x1) ? '1' : '0'; 5877 5878 buf2[i] = '\0'; 5879 } 5880 else if (pre == 0) 5881 vim_snprintf((char *)buf2, NUMBUFLEN, "%llu", n); 5882 else if (pre == '0') 5883 vim_snprintf((char *)buf2, NUMBUFLEN, "%llo", n); 5884 else if (pre && hexupper) 5885 vim_snprintf((char *)buf2, NUMBUFLEN, "%llX", n); 5886 else 5887 vim_snprintf((char *)buf2, NUMBUFLEN, "%llx", n); 5888 length -= (int)STRLEN(buf2); 5889 5890 /* 5891 * Adjust number of zeros to the new number of digits, so the 5892 * total length of the number remains the same. 5893 * Don't do this when 5894 * the result may look like an octal number. 5895 */ 5896 if (firstdigit == '0' && !(dooct && pre == 0)) 5897 while (length-- > 0) 5898 *ptr++ = '0'; 5899 *ptr = NUL; 5900 STRCAT(buf1, buf2); 5901 ins_str(buf1); /* insert the new number */ 5902 vim_free(buf1); 5903 endpos = curwin->w_cursor; 5904 if (did_change && curwin->w_cursor.col) 5905 --curwin->w_cursor.col; 5906 } 5907 5908 if (did_change) 5909 { 5910 /* set the '[ and '] marks */ 5911 curbuf->b_op_start = startpos; 5912 curbuf->b_op_end = endpos; 5913 if (curbuf->b_op_end.col > 0) 5914 --curbuf->b_op_end.col; 5915 } 5916 5917 theend: 5918 if (visual) 5919 curwin->w_cursor = save_cursor; 5920 else if (did_change) 5921 curwin->w_set_curswant = TRUE; 5922 5923 return did_change; 5924 } 5925 5926 #ifdef FEAT_VIMINFO 5927 5928 static yankreg_T *y_read_regs = NULL; 5929 5930 #define REG_PREVIOUS 1 5931 #define REG_EXEC 2 5932 5933 /* 5934 * Prepare for reading viminfo registers when writing viminfo later. 5935 */ 5936 void 5937 prepare_viminfo_registers(void) 5938 { 5939 y_read_regs = (yankreg_T *)alloc_clear(NUM_REGISTERS 5940 * (int)sizeof(yankreg_T)); 5941 } 5942 5943 void 5944 finish_viminfo_registers(void) 5945 { 5946 int i; 5947 int j; 5948 5949 if (y_read_regs != NULL) 5950 { 5951 for (i = 0; i < NUM_REGISTERS; ++i) 5952 if (y_read_regs[i].y_array != NULL) 5953 { 5954 for (j = 0; j < y_read_regs[i].y_size; j++) 5955 vim_free(y_read_regs[i].y_array[j]); 5956 vim_free(y_read_regs[i].y_array); 5957 } 5958 vim_free(y_read_regs); 5959 y_read_regs = NULL; 5960 } 5961 } 5962 5963 int 5964 read_viminfo_register(vir_T *virp, int force) 5965 { 5966 int eof; 5967 int do_it = TRUE; 5968 int size; 5969 int limit; 5970 int i; 5971 int set_prev = FALSE; 5972 char_u *str; 5973 char_u **array = NULL; 5974 int new_type = MCHAR; /* init to shut up compiler */ 5975 colnr_T new_width = 0; /* init to shut up compiler */ 5976 5977 /* We only get here (hopefully) if line[0] == '"' */ 5978 str = virp->vir_line + 1; 5979 5980 /* If the line starts with "" this is the y_previous register. */ 5981 if (*str == '"') 5982 { 5983 set_prev = TRUE; 5984 str++; 5985 } 5986 5987 if (!ASCII_ISALNUM(*str) && *str != '-') 5988 { 5989 if (viminfo_error("E577: ", _("Illegal register name"), virp->vir_line)) 5990 return TRUE; /* too many errors, pretend end-of-file */ 5991 do_it = FALSE; 5992 } 5993 get_yank_register(*str++, FALSE); 5994 if (!force && y_current->y_array != NULL) 5995 do_it = FALSE; 5996 5997 if (*str == '@') 5998 { 5999 /* "x@: register x used for @@ */ 6000 if (force || execreg_lastc == NUL) 6001 execreg_lastc = str[-1]; 6002 } 6003 6004 size = 0; 6005 limit = 100; /* Optimized for registers containing <= 100 lines */ 6006 if (do_it) 6007 { 6008 /* 6009 * Build the new register in array[]. 6010 * y_array is kept as-is until done. 6011 * The "do_it" flag is reset when something is wrong, in which case 6012 * array[] needs to be freed. 6013 */ 6014 if (set_prev) 6015 y_previous = y_current; 6016 array = (char_u **)alloc((unsigned)(limit * sizeof(char_u *))); 6017 str = skipwhite(skiptowhite(str)); 6018 if (STRNCMP(str, "CHAR", 4) == 0) 6019 new_type = MCHAR; 6020 else if (STRNCMP(str, "BLOCK", 5) == 0) 6021 new_type = MBLOCK; 6022 else 6023 new_type = MLINE; 6024 /* get the block width; if it's missing we get a zero, which is OK */ 6025 str = skipwhite(skiptowhite(str)); 6026 new_width = getdigits(&str); 6027 } 6028 6029 while (!(eof = viminfo_readline(virp)) 6030 && (virp->vir_line[0] == TAB || virp->vir_line[0] == '<')) 6031 { 6032 if (do_it) 6033 { 6034 if (size == limit) 6035 { 6036 char_u **new_array = (char_u **) 6037 alloc((unsigned)(limit * 2 * sizeof(char_u *))); 6038 6039 if (new_array == NULL) 6040 { 6041 do_it = FALSE; 6042 break; 6043 } 6044 for (i = 0; i < limit; i++) 6045 new_array[i] = array[i]; 6046 vim_free(array); 6047 array = new_array; 6048 limit *= 2; 6049 } 6050 str = viminfo_readstring(virp, 1, TRUE); 6051 if (str != NULL) 6052 array[size++] = str; 6053 else 6054 /* error, don't store the result */ 6055 do_it = FALSE; 6056 } 6057 } 6058 6059 if (do_it) 6060 { 6061 /* free y_array[] */ 6062 for (i = 0; i < y_current->y_size; i++) 6063 vim_free(y_current->y_array[i]); 6064 vim_free(y_current->y_array); 6065 6066 y_current->y_type = new_type; 6067 y_current->y_width = new_width; 6068 y_current->y_size = size; 6069 y_current->y_time_set = 0; 6070 if (size == 0) 6071 { 6072 y_current->y_array = NULL; 6073 } 6074 else 6075 { 6076 /* Move the lines from array[] to y_array[]. */ 6077 y_current->y_array = 6078 (char_u **)alloc((unsigned)(size * sizeof(char_u *))); 6079 for (i = 0; i < size; i++) 6080 { 6081 if (y_current->y_array == NULL) 6082 vim_free(array[i]); 6083 else 6084 y_current->y_array[i] = array[i]; 6085 } 6086 } 6087 } 6088 else 6089 { 6090 /* Free array[] if it was filled. */ 6091 for (i = 0; i < size; i++) 6092 vim_free(array[i]); 6093 } 6094 vim_free(array); 6095 6096 return eof; 6097 } 6098 6099 /* 6100 * Accept a new style register line from the viminfo, store it when it's new. 6101 */ 6102 void 6103 handle_viminfo_register(garray_T *values, int force) 6104 { 6105 bval_T *vp = (bval_T *)values->ga_data; 6106 int flags; 6107 int name; 6108 int type; 6109 int linecount; 6110 int width; 6111 time_t timestamp; 6112 yankreg_T *y_ptr; 6113 int i; 6114 6115 /* Check the format: 6116 * |{bartype},{flags},{name},{type}, 6117 * {linecount},{width},{timestamp},"line1","line2" 6118 */ 6119 if (values->ga_len < 6 6120 || vp[0].bv_type != BVAL_NR 6121 || vp[1].bv_type != BVAL_NR 6122 || vp[2].bv_type != BVAL_NR 6123 || vp[3].bv_type != BVAL_NR 6124 || vp[4].bv_type != BVAL_NR 6125 || vp[5].bv_type != BVAL_NR) 6126 return; 6127 flags = vp[0].bv_nr; 6128 name = vp[1].bv_nr; 6129 if (name < 0 || name >= NUM_REGISTERS) 6130 return; 6131 type = vp[2].bv_nr; 6132 if (type != MCHAR && type != MLINE && type != MBLOCK) 6133 return; 6134 linecount = vp[3].bv_nr; 6135 if (values->ga_len < 6 + linecount) 6136 return; 6137 width = vp[4].bv_nr; 6138 if (width < 0) 6139 return; 6140 6141 if (y_read_regs != NULL) 6142 /* Reading viminfo for merging and writing. Store the register 6143 * content, don't update the current registers. */ 6144 y_ptr = &y_read_regs[name]; 6145 else 6146 y_ptr = &y_regs[name]; 6147 6148 /* Do not overwrite unless forced or the timestamp is newer. */ 6149 timestamp = (time_t)vp[5].bv_nr; 6150 if (y_ptr->y_array != NULL && !force 6151 && (timestamp == 0 || y_ptr->y_time_set > timestamp)) 6152 return; 6153 6154 if (y_ptr->y_array != NULL) 6155 for (i = 0; i < y_ptr->y_size; i++) 6156 vim_free(y_ptr->y_array[i]); 6157 vim_free(y_ptr->y_array); 6158 6159 if (y_read_regs == NULL) 6160 { 6161 if (flags & REG_PREVIOUS) 6162 y_previous = y_ptr; 6163 if ((flags & REG_EXEC) && (force || execreg_lastc == NUL)) 6164 execreg_lastc = get_register_name(name); 6165 } 6166 y_ptr->y_type = type; 6167 y_ptr->y_width = width; 6168 y_ptr->y_size = linecount; 6169 y_ptr->y_time_set = timestamp; 6170 if (linecount == 0) 6171 y_ptr->y_array = NULL; 6172 else 6173 { 6174 y_ptr->y_array = 6175 (char_u **)alloc((unsigned)(linecount * sizeof(char_u *))); 6176 for (i = 0; i < linecount; i++) 6177 { 6178 if (vp[i + 6].bv_allocated) 6179 { 6180 y_ptr->y_array[i] = vp[i + 6].bv_string; 6181 vp[i + 6].bv_string = NULL; 6182 } 6183 else 6184 y_ptr->y_array[i] = vim_strsave(vp[i + 6].bv_string); 6185 } 6186 } 6187 } 6188 6189 void 6190 write_viminfo_registers(FILE *fp) 6191 { 6192 int i, j; 6193 char_u *type; 6194 char_u c; 6195 int num_lines; 6196 int max_num_lines; 6197 int max_kbyte; 6198 long len; 6199 yankreg_T *y_ptr; 6200 6201 fputs(_("\n# Registers:\n"), fp); 6202 6203 /* Get '<' value, use old '"' value if '<' is not found. */ 6204 max_num_lines = get_viminfo_parameter('<'); 6205 if (max_num_lines < 0) 6206 max_num_lines = get_viminfo_parameter('"'); 6207 if (max_num_lines == 0) 6208 return; 6209 max_kbyte = get_viminfo_parameter('s'); 6210 if (max_kbyte == 0) 6211 return; 6212 6213 for (i = 0; i < NUM_REGISTERS; i++) 6214 { 6215 #ifdef FEAT_CLIPBOARD 6216 /* Skip '*'/'+' register, we don't want them back next time */ 6217 if (i == STAR_REGISTER || i == PLUS_REGISTER) 6218 continue; 6219 #endif 6220 #ifdef FEAT_DND 6221 /* Neither do we want the '~' register */ 6222 if (i == TILDE_REGISTER) 6223 continue; 6224 #endif 6225 /* When reading viminfo for merging and writing: Use the register from 6226 * viminfo if it's newer. */ 6227 if (y_read_regs != NULL 6228 && y_read_regs[i].y_array != NULL 6229 && (y_regs[i].y_array == NULL || 6230 y_read_regs[i].y_time_set > y_regs[i].y_time_set)) 6231 y_ptr = &y_read_regs[i]; 6232 else if (y_regs[i].y_array == NULL) 6233 continue; 6234 else 6235 y_ptr = &y_regs[i]; 6236 6237 /* Skip empty registers. */ 6238 num_lines = y_ptr->y_size; 6239 if (num_lines == 0 6240 || (num_lines == 1 && y_ptr->y_type == MCHAR 6241 && *y_ptr->y_array[0] == NUL)) 6242 continue; 6243 6244 if (max_kbyte > 0) 6245 { 6246 /* Skip register if there is more text than the maximum size. */ 6247 len = 0; 6248 for (j = 0; j < num_lines; j++) 6249 len += (long)STRLEN(y_ptr->y_array[j]) + 1L; 6250 if (len > (long)max_kbyte * 1024L) 6251 continue; 6252 } 6253 6254 switch (y_ptr->y_type) 6255 { 6256 case MLINE: 6257 type = (char_u *)"LINE"; 6258 break; 6259 case MCHAR: 6260 type = (char_u *)"CHAR"; 6261 break; 6262 case MBLOCK: 6263 type = (char_u *)"BLOCK"; 6264 break; 6265 default: 6266 sprintf((char *)IObuff, _("E574: Unknown register type %d"), 6267 y_ptr->y_type); 6268 emsg(IObuff); 6269 type = (char_u *)"LINE"; 6270 break; 6271 } 6272 if (y_previous == &y_regs[i]) 6273 fprintf(fp, "\""); 6274 c = get_register_name(i); 6275 fprintf(fp, "\"%c", c); 6276 if (c == execreg_lastc) 6277 fprintf(fp, "@"); 6278 fprintf(fp, "\t%s\t%d\n", type, (int)y_ptr->y_width); 6279 6280 /* If max_num_lines < 0, then we save ALL the lines in the register */ 6281 if (max_num_lines > 0 && num_lines > max_num_lines) 6282 num_lines = max_num_lines; 6283 for (j = 0; j < num_lines; j++) 6284 { 6285 putc('\t', fp); 6286 viminfo_writestring(fp, y_ptr->y_array[j]); 6287 } 6288 6289 { 6290 int flags = 0; 6291 int remaining; 6292 6293 /* New style with a bar line. Format: 6294 * |{bartype},{flags},{name},{type}, 6295 * {linecount},{width},{timestamp},"line1","line2" 6296 * flags: REG_PREVIOUS - register is y_previous 6297 * REG_EXEC - used for @@ 6298 */ 6299 if (y_previous == &y_regs[i]) 6300 flags |= REG_PREVIOUS; 6301 if (c == execreg_lastc) 6302 flags |= REG_EXEC; 6303 fprintf(fp, "|%d,%d,%d,%d,%d,%d,%ld", BARTYPE_REGISTER, flags, 6304 i, y_ptr->y_type, num_lines, (int)y_ptr->y_width, 6305 (long)y_ptr->y_time_set); 6306 /* 11 chars for type/flags/name/type, 3 * 20 for numbers */ 6307 remaining = LSIZE - 71; 6308 for (j = 0; j < num_lines; j++) 6309 { 6310 putc(',', fp); 6311 --remaining; 6312 remaining = barline_writestring(fp, y_ptr->y_array[j], 6313 remaining); 6314 } 6315 putc('\n', fp); 6316 } 6317 } 6318 } 6319 #endif /* FEAT_VIMINFO */ 6320 6321 #if defined(FEAT_CLIPBOARD) || defined(PROTO) 6322 /* 6323 * SELECTION / PRIMARY ('*') 6324 * 6325 * Text selection stuff that uses the GUI selection register '*'. When using a 6326 * GUI this may be text from another window, otherwise it is the last text we 6327 * had highlighted with VIsual mode. With mouse support, clicking the middle 6328 * button performs the paste, otherwise you will need to do <"*p>. " 6329 * If not under X, it is synonymous with the clipboard register '+'. 6330 * 6331 * X CLIPBOARD ('+') 6332 * 6333 * Text selection stuff that uses the GUI clipboard register '+'. 6334 * Under X, this matches the standard cut/paste buffer CLIPBOARD selection. 6335 * It will be used for unnamed cut/pasting is 'clipboard' contains "unnamed", 6336 * otherwise you will need to do <"+p>. " 6337 * If not under X, it is synonymous with the selection register '*'. 6338 */ 6339 6340 /* 6341 * Routine to export any final X selection we had to the environment 6342 * so that the text is still available after Vim has exited. X selections 6343 * only exist while the owning application exists, so we write to the 6344 * permanent (while X runs) store CUT_BUFFER0. 6345 * Dump the CLIPBOARD selection if we own it (it's logically the more 6346 * 'permanent' of the two), otherwise the PRIMARY one. 6347 * For now, use a hard-coded sanity limit of 1Mb of data. 6348 */ 6349 #if (defined(FEAT_X11) && defined(FEAT_CLIPBOARD)) || defined(PROTO) 6350 void 6351 x11_export_final_selection(void) 6352 { 6353 Display *dpy; 6354 char_u *str = NULL; 6355 long_u len = 0; 6356 int motion_type = -1; 6357 6358 # ifdef FEAT_GUI 6359 if (gui.in_use) 6360 dpy = X_DISPLAY; 6361 else 6362 # endif 6363 # ifdef FEAT_XCLIPBOARD 6364 dpy = xterm_dpy; 6365 # else 6366 return; 6367 # endif 6368 6369 /* Get selection to export */ 6370 if (clip_plus.owned) 6371 motion_type = clip_convert_selection(&str, &len, &clip_plus); 6372 else if (clip_star.owned) 6373 motion_type = clip_convert_selection(&str, &len, &clip_star); 6374 6375 /* Check it's OK */ 6376 if (dpy != NULL && str != NULL && motion_type >= 0 6377 && len < 1024*1024 && len > 0) 6378 { 6379 #ifdef FEAT_MBYTE 6380 int ok = TRUE; 6381 6382 /* The CUT_BUFFER0 is supposed to always contain latin1. Convert from 6383 * 'enc' when it is a multi-byte encoding. When 'enc' is an 8-bit 6384 * encoding conversion usually doesn't work, so keep the text as-is. 6385 */ 6386 if (has_mbyte) 6387 { 6388 vimconv_T vc; 6389 6390 vc.vc_type = CONV_NONE; 6391 if (convert_setup(&vc, p_enc, (char_u *)"latin1") == OK) 6392 { 6393 int intlen = len; 6394 char_u *conv_str; 6395 6396 vc.vc_fail = TRUE; 6397 conv_str = string_convert(&vc, str, &intlen); 6398 len = intlen; 6399 if (conv_str != NULL) 6400 { 6401 vim_free(str); 6402 str = conv_str; 6403 } 6404 else 6405 { 6406 ok = FALSE; 6407 } 6408 convert_setup(&vc, NULL, NULL); 6409 } 6410 else 6411 { 6412 ok = FALSE; 6413 } 6414 } 6415 6416 /* Do not store the string if conversion failed. Better to use any 6417 * other selection than garbled text. */ 6418 if (ok) 6419 #endif 6420 { 6421 XStoreBuffer(dpy, (char *)str, (int)len, 0); 6422 XFlush(dpy); 6423 } 6424 } 6425 6426 vim_free(str); 6427 } 6428 #endif 6429 6430 void 6431 clip_free_selection(VimClipboard *cbd) 6432 { 6433 yankreg_T *y_ptr = y_current; 6434 6435 if (cbd == &clip_plus) 6436 y_current = &y_regs[PLUS_REGISTER]; 6437 else 6438 y_current = &y_regs[STAR_REGISTER]; 6439 free_yank_all(); 6440 y_current->y_size = 0; 6441 y_current = y_ptr; 6442 } 6443 6444 /* 6445 * Get the selected text and put it in the gui selection register '*' or '+'. 6446 */ 6447 void 6448 clip_get_selection(VimClipboard *cbd) 6449 { 6450 yankreg_T *old_y_previous, *old_y_current; 6451 pos_T old_cursor; 6452 pos_T old_visual; 6453 int old_visual_mode; 6454 colnr_T old_curswant; 6455 int old_set_curswant; 6456 pos_T old_op_start, old_op_end; 6457 oparg_T oa; 6458 cmdarg_T ca; 6459 6460 if (cbd->owned) 6461 { 6462 if ((cbd == &clip_plus && y_regs[PLUS_REGISTER].y_array != NULL) 6463 || (cbd == &clip_star && y_regs[STAR_REGISTER].y_array != NULL)) 6464 return; 6465 6466 /* Get the text between clip_star.start & clip_star.end */ 6467 old_y_previous = y_previous; 6468 old_y_current = y_current; 6469 old_cursor = curwin->w_cursor; 6470 old_curswant = curwin->w_curswant; 6471 old_set_curswant = curwin->w_set_curswant; 6472 old_op_start = curbuf->b_op_start; 6473 old_op_end = curbuf->b_op_end; 6474 old_visual = VIsual; 6475 old_visual_mode = VIsual_mode; 6476 clear_oparg(&oa); 6477 oa.regname = (cbd == &clip_plus ? '+' : '*'); 6478 oa.op_type = OP_YANK; 6479 vim_memset(&ca, 0, sizeof(ca)); 6480 ca.oap = &oa; 6481 ca.cmdchar = 'y'; 6482 ca.count1 = 1; 6483 ca.retval = CA_NO_ADJ_OP_END; 6484 do_pending_operator(&ca, 0, TRUE); 6485 y_previous = old_y_previous; 6486 y_current = old_y_current; 6487 curwin->w_cursor = old_cursor; 6488 changed_cline_bef_curs(); /* need to update w_virtcol et al */ 6489 curwin->w_curswant = old_curswant; 6490 curwin->w_set_curswant = old_set_curswant; 6491 curbuf->b_op_start = old_op_start; 6492 curbuf->b_op_end = old_op_end; 6493 VIsual = old_visual; 6494 VIsual_mode = old_visual_mode; 6495 } 6496 else if (!is_clipboard_needs_update()) 6497 { 6498 clip_free_selection(cbd); 6499 6500 /* Try to get selected text from another window */ 6501 clip_gen_request_selection(cbd); 6502 } 6503 } 6504 6505 /* 6506 * Convert from the GUI selection string into the '*'/'+' register. 6507 */ 6508 void 6509 clip_yank_selection( 6510 int type, 6511 char_u *str, 6512 long len, 6513 VimClipboard *cbd) 6514 { 6515 yankreg_T *y_ptr; 6516 6517 if (cbd == &clip_plus) 6518 y_ptr = &y_regs[PLUS_REGISTER]; 6519 else 6520 y_ptr = &y_regs[STAR_REGISTER]; 6521 6522 clip_free_selection(cbd); 6523 6524 str_to_reg(y_ptr, type, str, len, 0L, FALSE); 6525 } 6526 6527 /* 6528 * Convert the '*'/'+' register into a GUI selection string returned in *str 6529 * with length *len. 6530 * Returns the motion type, or -1 for failure. 6531 */ 6532 int 6533 clip_convert_selection(char_u **str, long_u *len, VimClipboard *cbd) 6534 { 6535 char_u *p; 6536 int lnum; 6537 int i, j; 6538 int_u eolsize; 6539 yankreg_T *y_ptr; 6540 6541 if (cbd == &clip_plus) 6542 y_ptr = &y_regs[PLUS_REGISTER]; 6543 else 6544 y_ptr = &y_regs[STAR_REGISTER]; 6545 6546 #ifdef USE_CRNL 6547 eolsize = 2; 6548 #else 6549 eolsize = 1; 6550 #endif 6551 6552 *str = NULL; 6553 *len = 0; 6554 if (y_ptr->y_array == NULL) 6555 return -1; 6556 6557 for (i = 0; i < y_ptr->y_size; i++) 6558 *len += (long_u)STRLEN(y_ptr->y_array[i]) + eolsize; 6559 6560 /* 6561 * Don't want newline character at end of last line if we're in MCHAR mode. 6562 */ 6563 if (y_ptr->y_type == MCHAR && *len >= eolsize) 6564 *len -= eolsize; 6565 6566 p = *str = lalloc(*len + 1, TRUE); /* add one to avoid zero */ 6567 if (p == NULL) 6568 return -1; 6569 lnum = 0; 6570 for (i = 0, j = 0; i < (int)*len; i++, j++) 6571 { 6572 if (y_ptr->y_array[lnum][j] == '\n') 6573 p[i] = NUL; 6574 else if (y_ptr->y_array[lnum][j] == NUL) 6575 { 6576 #ifdef USE_CRNL 6577 p[i++] = '\r'; 6578 #endif 6579 #ifdef USE_CR 6580 p[i] = '\r'; 6581 #else 6582 p[i] = '\n'; 6583 #endif 6584 lnum++; 6585 j = -1; 6586 } 6587 else 6588 p[i] = y_ptr->y_array[lnum][j]; 6589 } 6590 return y_ptr->y_type; 6591 } 6592 6593 6594 /* 6595 * If we have written to a clipboard register, send the text to the clipboard. 6596 */ 6597 static void 6598 may_set_selection(void) 6599 { 6600 if (y_current == &(y_regs[STAR_REGISTER]) && clip_star.available) 6601 { 6602 clip_own_selection(&clip_star); 6603 clip_gen_set_selection(&clip_star); 6604 } 6605 else if (y_current == &(y_regs[PLUS_REGISTER]) && clip_plus.available) 6606 { 6607 clip_own_selection(&clip_plus); 6608 clip_gen_set_selection(&clip_plus); 6609 } 6610 } 6611 6612 #endif /* FEAT_CLIPBOARD || PROTO */ 6613 6614 6615 #if defined(FEAT_DND) || defined(PROTO) 6616 /* 6617 * Replace the contents of the '~' register with str. 6618 */ 6619 void 6620 dnd_yank_drag_data(char_u *str, long len) 6621 { 6622 yankreg_T *curr; 6623 6624 curr = y_current; 6625 y_current = &y_regs[TILDE_REGISTER]; 6626 free_yank_all(); 6627 str_to_reg(y_current, MCHAR, str, len, 0L, FALSE); 6628 y_current = curr; 6629 } 6630 #endif 6631 6632 6633 #if defined(FEAT_EVAL) || defined(PROTO) 6634 /* 6635 * Return the type of a register. 6636 * Used for getregtype() 6637 * Returns MAUTO for error. 6638 */ 6639 char_u 6640 get_reg_type(int regname, long *reglen) 6641 { 6642 switch (regname) 6643 { 6644 case '%': /* file name */ 6645 case '#': /* alternate file name */ 6646 case '=': /* expression */ 6647 case ':': /* last command line */ 6648 case '/': /* last search-pattern */ 6649 case '.': /* last inserted text */ 6650 #ifdef FEAT_SEARCHPATH 6651 case Ctrl_F: /* Filename under cursor */ 6652 case Ctrl_P: /* Path under cursor, expand via "path" */ 6653 #endif 6654 case Ctrl_W: /* word under cursor */ 6655 case Ctrl_A: /* WORD (mnemonic All) under cursor */ 6656 case '_': /* black hole: always empty */ 6657 return MCHAR; 6658 } 6659 6660 #ifdef FEAT_CLIPBOARD 6661 regname = may_get_selection(regname); 6662 #endif 6663 6664 if (regname != NUL && !valid_yank_reg(regname, FALSE)) 6665 return MAUTO; 6666 6667 get_yank_register(regname, FALSE); 6668 6669 if (y_current->y_array != NULL) 6670 { 6671 if (reglen != NULL && y_current->y_type == MBLOCK) 6672 *reglen = y_current->y_width; 6673 return y_current->y_type; 6674 } 6675 return MAUTO; 6676 } 6677 6678 static char_u *getreg_wrap_one_line(char_u *s, int flags); 6679 6680 /* 6681 * When "flags" has GREG_LIST return a list with text "s". 6682 * Otherwise just return "s". 6683 */ 6684 static char_u * 6685 getreg_wrap_one_line(char_u *s, int flags) 6686 { 6687 if (flags & GREG_LIST) 6688 { 6689 list_T *list = list_alloc(); 6690 6691 if (list != NULL) 6692 { 6693 if (list_append_string(list, NULL, -1) == FAIL) 6694 { 6695 list_free(list); 6696 return NULL; 6697 } 6698 list->lv_first->li_tv.vval.v_string = s; 6699 } 6700 return (char_u *)list; 6701 } 6702 return s; 6703 } 6704 6705 /* 6706 * Return the contents of a register as a single allocated string. 6707 * Used for "@r" in expressions and for getreg(). 6708 * Returns NULL for error. 6709 * Flags: 6710 * GREG_NO_EXPR Do not allow expression register 6711 * GREG_EXPR_SRC For the expression register: return expression itself, 6712 * not the result of its evaluation. 6713 * GREG_LIST Return a list of lines in place of a single string. 6714 */ 6715 char_u * 6716 get_reg_contents(int regname, int flags) 6717 { 6718 long i; 6719 char_u *retval; 6720 int allocated; 6721 long len; 6722 6723 /* Don't allow using an expression register inside an expression */ 6724 if (regname == '=') 6725 { 6726 if (flags & GREG_NO_EXPR) 6727 return NULL; 6728 if (flags & GREG_EXPR_SRC) 6729 return getreg_wrap_one_line(get_expr_line_src(), flags); 6730 return getreg_wrap_one_line(get_expr_line(), flags); 6731 } 6732 6733 if (regname == '@') /* "@@" is used for unnamed register */ 6734 regname = '"'; 6735 6736 /* check for valid regname */ 6737 if (regname != NUL && !valid_yank_reg(regname, FALSE)) 6738 return NULL; 6739 6740 #ifdef FEAT_CLIPBOARD 6741 regname = may_get_selection(regname); 6742 #endif 6743 6744 if (get_spec_reg(regname, &retval, &allocated, FALSE)) 6745 { 6746 if (retval == NULL) 6747 return NULL; 6748 if (allocated) 6749 return getreg_wrap_one_line(retval, flags); 6750 return getreg_wrap_one_line(vim_strsave(retval), flags); 6751 } 6752 6753 get_yank_register(regname, FALSE); 6754 if (y_current->y_array == NULL) 6755 return NULL; 6756 6757 if (flags & GREG_LIST) 6758 { 6759 list_T *list = list_alloc(); 6760 int error = FALSE; 6761 6762 if (list == NULL) 6763 return NULL; 6764 for (i = 0; i < y_current->y_size; ++i) 6765 if (list_append_string(list, y_current->y_array[i], -1) == FAIL) 6766 error = TRUE; 6767 if (error) 6768 { 6769 list_free(list); 6770 return NULL; 6771 } 6772 return (char_u *)list; 6773 } 6774 6775 /* 6776 * Compute length of resulting string. 6777 */ 6778 len = 0; 6779 for (i = 0; i < y_current->y_size; ++i) 6780 { 6781 len += (long)STRLEN(y_current->y_array[i]); 6782 /* 6783 * Insert a newline between lines and after last line if 6784 * y_type is MLINE. 6785 */ 6786 if (y_current->y_type == MLINE || i < y_current->y_size - 1) 6787 ++len; 6788 } 6789 6790 retval = lalloc(len + 1, TRUE); 6791 6792 /* 6793 * Copy the lines of the yank register into the string. 6794 */ 6795 if (retval != NULL) 6796 { 6797 len = 0; 6798 for (i = 0; i < y_current->y_size; ++i) 6799 { 6800 STRCPY(retval + len, y_current->y_array[i]); 6801 len += (long)STRLEN(retval + len); 6802 6803 /* 6804 * Insert a NL between lines and after the last line if y_type is 6805 * MLINE. 6806 */ 6807 if (y_current->y_type == MLINE || i < y_current->y_size - 1) 6808 retval[len++] = '\n'; 6809 } 6810 retval[len] = NUL; 6811 } 6812 6813 return retval; 6814 } 6815 6816 static int 6817 init_write_reg( 6818 int name, 6819 yankreg_T **old_y_previous, 6820 yankreg_T **old_y_current, 6821 int must_append, 6822 int *yank_type UNUSED) 6823 { 6824 if (!valid_yank_reg(name, TRUE)) /* check for valid reg name */ 6825 { 6826 emsg_invreg(name); 6827 return FAIL; 6828 } 6829 6830 /* Don't want to change the current (unnamed) register */ 6831 *old_y_previous = y_previous; 6832 *old_y_current = y_current; 6833 6834 get_yank_register(name, TRUE); 6835 if (!y_append && !must_append) 6836 free_yank_all(); 6837 return OK; 6838 } 6839 6840 static void 6841 finish_write_reg( 6842 int name, 6843 yankreg_T *old_y_previous, 6844 yankreg_T *old_y_current) 6845 { 6846 # ifdef FEAT_CLIPBOARD 6847 /* Send text of clipboard register to the clipboard. */ 6848 may_set_selection(); 6849 # endif 6850 6851 /* ':let @" = "val"' should change the meaning of the "" register */ 6852 if (name != '"') 6853 y_previous = old_y_previous; 6854 y_current = old_y_current; 6855 } 6856 6857 /* 6858 * Store string "str" in register "name". 6859 * "maxlen" is the maximum number of bytes to use, -1 for all bytes. 6860 * If "must_append" is TRUE, always append to the register. Otherwise append 6861 * if "name" is an uppercase letter. 6862 * Note: "maxlen" and "must_append" don't work for the "/" register. 6863 * Careful: 'str' is modified, you may have to use a copy! 6864 * If "str" ends in '\n' or '\r', use linewise, otherwise use characterwise. 6865 */ 6866 void 6867 write_reg_contents( 6868 int name, 6869 char_u *str, 6870 int maxlen, 6871 int must_append) 6872 { 6873 write_reg_contents_ex(name, str, maxlen, must_append, MAUTO, 0L); 6874 } 6875 6876 void 6877 write_reg_contents_lst( 6878 int name, 6879 char_u **strings, 6880 int maxlen UNUSED, 6881 int must_append, 6882 int yank_type, 6883 long block_len) 6884 { 6885 yankreg_T *old_y_previous, *old_y_current; 6886 6887 if (name == '/' 6888 #ifdef FEAT_EVAL 6889 || name == '=' 6890 #endif 6891 ) 6892 { 6893 char_u *s; 6894 6895 if (strings[0] == NULL) 6896 s = (char_u *)""; 6897 else if (strings[1] != NULL) 6898 { 6899 EMSG(_("E883: search pattern and expression register may not " 6900 "contain two or more lines")); 6901 return; 6902 } 6903 else 6904 s = strings[0]; 6905 write_reg_contents_ex(name, s, -1, must_append, yank_type, block_len); 6906 return; 6907 } 6908 6909 if (name == '_') /* black hole: nothing to do */ 6910 return; 6911 6912 if (init_write_reg(name, &old_y_previous, &old_y_current, must_append, 6913 &yank_type) == FAIL) 6914 return; 6915 6916 str_to_reg(y_current, yank_type, (char_u *) strings, -1, block_len, TRUE); 6917 6918 finish_write_reg(name, old_y_previous, old_y_current); 6919 } 6920 6921 void 6922 write_reg_contents_ex( 6923 int name, 6924 char_u *str, 6925 int maxlen, 6926 int must_append, 6927 int yank_type, 6928 long block_len) 6929 { 6930 yankreg_T *old_y_previous, *old_y_current; 6931 long len; 6932 6933 if (maxlen >= 0) 6934 len = maxlen; 6935 else 6936 len = (long)STRLEN(str); 6937 6938 /* Special case: '/' search pattern */ 6939 if (name == '/') 6940 { 6941 set_last_search_pat(str, RE_SEARCH, TRUE, TRUE); 6942 return; 6943 } 6944 6945 if (name == '#') 6946 { 6947 buf_T *buf; 6948 6949 if (VIM_ISDIGIT(*str)) 6950 { 6951 int num = atoi((char *)str); 6952 6953 buf = buflist_findnr(num); 6954 if (buf == NULL) 6955 EMSGN(_(e_nobufnr), (long)num); 6956 } 6957 else 6958 buf = buflist_findnr(buflist_findpat(str, str + STRLEN(str), 6959 TRUE, FALSE, FALSE)); 6960 if (buf == NULL) 6961 return; 6962 curwin->w_alt_fnum = buf->b_fnum; 6963 return; 6964 } 6965 6966 #ifdef FEAT_EVAL 6967 if (name == '=') 6968 { 6969 char_u *p, *s; 6970 6971 p = vim_strnsave(str, (int)len); 6972 if (p == NULL) 6973 return; 6974 if (must_append) 6975 { 6976 s = concat_str(get_expr_line_src(), p); 6977 vim_free(p); 6978 p = s; 6979 } 6980 set_expr_line(p); 6981 return; 6982 } 6983 #endif 6984 6985 if (name == '_') /* black hole: nothing to do */ 6986 return; 6987 6988 if (init_write_reg(name, &old_y_previous, &old_y_current, must_append, 6989 &yank_type) == FAIL) 6990 return; 6991 6992 str_to_reg(y_current, yank_type, str, len, block_len, FALSE); 6993 6994 finish_write_reg(name, old_y_previous, old_y_current); 6995 } 6996 #endif /* FEAT_EVAL */ 6997 6998 #if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL) 6999 /* 7000 * Put a string into a register. When the register is not empty, the string 7001 * is appended. 7002 */ 7003 static void 7004 str_to_reg( 7005 yankreg_T *y_ptr, /* pointer to yank register */ 7006 int yank_type, /* MCHAR, MLINE, MBLOCK, MAUTO */ 7007 char_u *str, /* string to put in register */ 7008 long len, /* length of string */ 7009 long blocklen, /* width of Visual block */ 7010 int str_list) /* TRUE if str is char_u ** */ 7011 { 7012 int type; /* MCHAR, MLINE or MBLOCK */ 7013 int lnum; 7014 long start; 7015 long i; 7016 int extra; 7017 int newlines; /* number of lines added */ 7018 int extraline = 0; /* extra line at the end */ 7019 int append = FALSE; /* append to last line in register */ 7020 char_u *s; 7021 char_u **ss; 7022 char_u **pp; 7023 long maxlen; 7024 7025 if (y_ptr->y_array == NULL) /* NULL means empty register */ 7026 y_ptr->y_size = 0; 7027 7028 if (yank_type == MAUTO) 7029 type = ((str_list || (len > 0 && (str[len - 1] == NL 7030 || str[len - 1] == CAR))) 7031 ? MLINE : MCHAR); 7032 else 7033 type = yank_type; 7034 7035 /* 7036 * Count the number of lines within the string 7037 */ 7038 newlines = 0; 7039 if (str_list) 7040 { 7041 for (ss = (char_u **) str; *ss != NULL; ++ss) 7042 ++newlines; 7043 } 7044 else 7045 { 7046 for (i = 0; i < len; i++) 7047 if (str[i] == '\n') 7048 ++newlines; 7049 if (type == MCHAR || len == 0 || str[len - 1] != '\n') 7050 { 7051 extraline = 1; 7052 ++newlines; /* count extra newline at the end */ 7053 } 7054 if (y_ptr->y_size > 0 && y_ptr->y_type == MCHAR) 7055 { 7056 append = TRUE; 7057 --newlines; /* uncount newline when appending first line */ 7058 } 7059 } 7060 7061 /* Without any lines make the register empty. */ 7062 if (y_ptr->y_size + newlines == 0) 7063 { 7064 vim_free(y_ptr->y_array); 7065 y_ptr->y_array = NULL; 7066 return; 7067 } 7068 7069 /* 7070 * Allocate an array to hold the pointers to the new register lines. 7071 * If the register was not empty, move the existing lines to the new array. 7072 */ 7073 pp = (char_u **)lalloc_clear((y_ptr->y_size + newlines) 7074 * sizeof(char_u *), TRUE); 7075 if (pp == NULL) /* out of memory */ 7076 return; 7077 for (lnum = 0; lnum < y_ptr->y_size; ++lnum) 7078 pp[lnum] = y_ptr->y_array[lnum]; 7079 vim_free(y_ptr->y_array); 7080 y_ptr->y_array = pp; 7081 maxlen = 0; 7082 7083 /* 7084 * Find the end of each line and save it into the array. 7085 */ 7086 if (str_list) 7087 { 7088 for (ss = (char_u **) str; *ss != NULL; ++ss, ++lnum) 7089 { 7090 i = (long)STRLEN(*ss); 7091 pp[lnum] = vim_strnsave(*ss, i); 7092 if (i > maxlen) 7093 maxlen = i; 7094 } 7095 } 7096 else 7097 { 7098 for (start = 0; start < len + extraline; start += i + 1) 7099 { 7100 for (i = start; i < len; ++i) /* find the end of the line */ 7101 if (str[i] == '\n') 7102 break; 7103 i -= start; /* i is now length of line */ 7104 if (i > maxlen) 7105 maxlen = i; 7106 if (append) 7107 { 7108 --lnum; 7109 extra = (int)STRLEN(y_ptr->y_array[lnum]); 7110 } 7111 else 7112 extra = 0; 7113 s = alloc((unsigned)(i + extra + 1)); 7114 if (s == NULL) 7115 break; 7116 if (extra) 7117 mch_memmove(s, y_ptr->y_array[lnum], (size_t)extra); 7118 if (append) 7119 vim_free(y_ptr->y_array[lnum]); 7120 if (i) 7121 mch_memmove(s + extra, str + start, (size_t)i); 7122 extra += i; 7123 s[extra] = NUL; 7124 y_ptr->y_array[lnum++] = s; 7125 while (--extra >= 0) 7126 { 7127 if (*s == NUL) 7128 *s = '\n'; /* replace NUL with newline */ 7129 ++s; 7130 } 7131 append = FALSE; /* only first line is appended */ 7132 } 7133 } 7134 y_ptr->y_type = type; 7135 y_ptr->y_size = lnum; 7136 if (type == MBLOCK) 7137 y_ptr->y_width = (blocklen < 0 ? maxlen - 1 : blocklen); 7138 else 7139 y_ptr->y_width = 0; 7140 #ifdef FEAT_VIMINFO 7141 y_ptr->y_time_set = vim_time(); 7142 #endif 7143 } 7144 #endif /* FEAT_CLIPBOARD || FEAT_EVAL || PROTO */ 7145 7146 void 7147 clear_oparg(oparg_T *oap) 7148 { 7149 vim_memset(oap, 0, sizeof(oparg_T)); 7150 } 7151 7152 static varnumber_T line_count_info(char_u *line, varnumber_T *wc, varnumber_T *cc, varnumber_T limit, int eol_size); 7153 7154 /* 7155 * Count the number of bytes, characters and "words" in a line. 7156 * 7157 * "Words" are counted by looking for boundaries between non-space and 7158 * space characters. (it seems to produce results that match 'wc'.) 7159 * 7160 * Return value is byte count; word count for the line is added to "*wc". 7161 * Char count is added to "*cc". 7162 * 7163 * The function will only examine the first "limit" characters in the 7164 * line, stopping if it encounters an end-of-line (NUL byte). In that 7165 * case, eol_size will be added to the character count to account for 7166 * the size of the EOL character. 7167 */ 7168 static varnumber_T 7169 line_count_info( 7170 char_u *line, 7171 varnumber_T *wc, 7172 varnumber_T *cc, 7173 varnumber_T limit, 7174 int eol_size) 7175 { 7176 varnumber_T i; 7177 varnumber_T words = 0; 7178 varnumber_T chars = 0; 7179 int is_word = 0; 7180 7181 for (i = 0; i < limit && line[i] != NUL; ) 7182 { 7183 if (is_word) 7184 { 7185 if (vim_isspace(line[i])) 7186 { 7187 words++; 7188 is_word = 0; 7189 } 7190 } 7191 else if (!vim_isspace(line[i])) 7192 is_word = 1; 7193 ++chars; 7194 #ifdef FEAT_MBYTE 7195 i += (*mb_ptr2len)(line + i); 7196 #else 7197 ++i; 7198 #endif 7199 } 7200 7201 if (is_word) 7202 words++; 7203 *wc += words; 7204 7205 /* Add eol_size if the end of line was reached before hitting limit. */ 7206 if (i < limit && line[i] == NUL) 7207 { 7208 i += eol_size; 7209 chars += eol_size; 7210 } 7211 *cc += chars; 7212 return i; 7213 } 7214 7215 /* 7216 * Give some info about the position of the cursor (for "g CTRL-G"). 7217 * In Visual mode, give some info about the selected region. (In this case, 7218 * the *_count_cursor variables store running totals for the selection.) 7219 * When "dict" is not NULL store the info there instead of showing it. 7220 */ 7221 void 7222 cursor_pos_info(dict_T *dict) 7223 { 7224 char_u *p; 7225 char_u buf1[50]; 7226 char_u buf2[40]; 7227 linenr_T lnum; 7228 varnumber_T byte_count = 0; 7229 #ifdef FEAT_MBYTE 7230 varnumber_T bom_count = 0; 7231 #endif 7232 varnumber_T byte_count_cursor = 0; 7233 varnumber_T char_count = 0; 7234 varnumber_T char_count_cursor = 0; 7235 varnumber_T word_count = 0; 7236 varnumber_T word_count_cursor = 0; 7237 int eol_size; 7238 varnumber_T last_check = 100000L; 7239 long line_count_selected = 0; 7240 pos_T min_pos, max_pos; 7241 oparg_T oparg; 7242 struct block_def bd; 7243 7244 /* 7245 * Compute the length of the file in characters. 7246 */ 7247 if (curbuf->b_ml.ml_flags & ML_EMPTY) 7248 { 7249 if (dict == NULL) 7250 { 7251 MSG(_(no_lines_msg)); 7252 return; 7253 } 7254 } 7255 else 7256 { 7257 if (get_fileformat(curbuf) == EOL_DOS) 7258 eol_size = 2; 7259 else 7260 eol_size = 1; 7261 7262 if (VIsual_active) 7263 { 7264 if (LT_POS(VIsual, curwin->w_cursor)) 7265 { 7266 min_pos = VIsual; 7267 max_pos = curwin->w_cursor; 7268 } 7269 else 7270 { 7271 min_pos = curwin->w_cursor; 7272 max_pos = VIsual; 7273 } 7274 if (*p_sel == 'e' && max_pos.col > 0) 7275 --max_pos.col; 7276 7277 if (VIsual_mode == Ctrl_V) 7278 { 7279 #ifdef FEAT_LINEBREAK 7280 char_u * saved_sbr = p_sbr; 7281 7282 /* Make 'sbr' empty for a moment to get the correct size. */ 7283 p_sbr = empty_option; 7284 #endif 7285 oparg.is_VIsual = 1; 7286 oparg.block_mode = TRUE; 7287 oparg.op_type = OP_NOP; 7288 getvcols(curwin, &min_pos, &max_pos, 7289 &oparg.start_vcol, &oparg.end_vcol); 7290 #ifdef FEAT_LINEBREAK 7291 p_sbr = saved_sbr; 7292 #endif 7293 if (curwin->w_curswant == MAXCOL) 7294 oparg.end_vcol = MAXCOL; 7295 /* Swap the start, end vcol if needed */ 7296 if (oparg.end_vcol < oparg.start_vcol) 7297 { 7298 oparg.end_vcol += oparg.start_vcol; 7299 oparg.start_vcol = oparg.end_vcol - oparg.start_vcol; 7300 oparg.end_vcol -= oparg.start_vcol; 7301 } 7302 } 7303 line_count_selected = max_pos.lnum - min_pos.lnum + 1; 7304 } 7305 7306 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) 7307 { 7308 /* Check for a CTRL-C every 100000 characters. */ 7309 if (byte_count > last_check) 7310 { 7311 ui_breakcheck(); 7312 if (got_int) 7313 return; 7314 last_check = byte_count + 100000L; 7315 } 7316 7317 /* Do extra processing for VIsual mode. */ 7318 if (VIsual_active 7319 && lnum >= min_pos.lnum && lnum <= max_pos.lnum) 7320 { 7321 char_u *s = NULL; 7322 long len = 0L; 7323 7324 switch (VIsual_mode) 7325 { 7326 case Ctrl_V: 7327 #ifdef FEAT_VIRTUALEDIT 7328 virtual_op = virtual_active(); 7329 #endif 7330 block_prep(&oparg, &bd, lnum, 0); 7331 #ifdef FEAT_VIRTUALEDIT 7332 virtual_op = MAYBE; 7333 #endif 7334 s = bd.textstart; 7335 len = (long)bd.textlen; 7336 break; 7337 case 'V': 7338 s = ml_get(lnum); 7339 len = MAXCOL; 7340 break; 7341 case 'v': 7342 { 7343 colnr_T start_col = (lnum == min_pos.lnum) 7344 ? min_pos.col : 0; 7345 colnr_T end_col = (lnum == max_pos.lnum) 7346 ? max_pos.col - start_col + 1 : MAXCOL; 7347 7348 s = ml_get(lnum) + start_col; 7349 len = end_col; 7350 } 7351 break; 7352 } 7353 if (s != NULL) 7354 { 7355 byte_count_cursor += line_count_info(s, &word_count_cursor, 7356 &char_count_cursor, len, eol_size); 7357 if (lnum == curbuf->b_ml.ml_line_count 7358 && !curbuf->b_p_eol 7359 && (curbuf->b_p_bin || !curbuf->b_p_fixeol) 7360 && (long)STRLEN(s) < len) 7361 byte_count_cursor -= eol_size; 7362 } 7363 } 7364 else 7365 { 7366 /* In non-visual mode, check for the line the cursor is on */ 7367 if (lnum == curwin->w_cursor.lnum) 7368 { 7369 word_count_cursor += word_count; 7370 char_count_cursor += char_count; 7371 byte_count_cursor = byte_count + 7372 line_count_info(ml_get(lnum), 7373 &word_count_cursor, &char_count_cursor, 7374 (varnumber_T)(curwin->w_cursor.col + 1), 7375 eol_size); 7376 } 7377 } 7378 /* Add to the running totals */ 7379 byte_count += line_count_info(ml_get(lnum), &word_count, 7380 &char_count, (varnumber_T)MAXCOL, 7381 eol_size); 7382 } 7383 7384 /* Correction for when last line doesn't have an EOL. */ 7385 if (!curbuf->b_p_eol && (curbuf->b_p_bin || !curbuf->b_p_fixeol)) 7386 byte_count -= eol_size; 7387 7388 if (dict == NULL) 7389 { 7390 if (VIsual_active) 7391 { 7392 if (VIsual_mode == Ctrl_V && curwin->w_curswant < MAXCOL) 7393 { 7394 getvcols(curwin, &min_pos, &max_pos, &min_pos.col, 7395 &max_pos.col); 7396 vim_snprintf((char *)buf1, sizeof(buf1), _("%ld Cols; "), 7397 (long)(oparg.end_vcol - oparg.start_vcol + 1)); 7398 } 7399 else 7400 buf1[0] = NUL; 7401 7402 if (char_count_cursor == byte_count_cursor 7403 && char_count == byte_count) 7404 vim_snprintf((char *)IObuff, IOSIZE, 7405 _("Selected %s%ld of %ld Lines; %lld of %lld Words; %lld of %lld Bytes"), 7406 buf1, line_count_selected, 7407 (long)curbuf->b_ml.ml_line_count, 7408 word_count_cursor, word_count, 7409 byte_count_cursor, byte_count); 7410 else 7411 vim_snprintf((char *)IObuff, IOSIZE, 7412 _("Selected %s%ld of %ld Lines; %lld of %lld Words; %lld of %lld Chars; %lld of %lld Bytes"), 7413 buf1, line_count_selected, 7414 (long)curbuf->b_ml.ml_line_count, 7415 word_count_cursor, word_count, 7416 char_count_cursor, char_count, 7417 byte_count_cursor, byte_count); 7418 } 7419 else 7420 { 7421 p = ml_get_curline(); 7422 validate_virtcol(); 7423 col_print(buf1, sizeof(buf1), (int)curwin->w_cursor.col + 1, 7424 (int)curwin->w_virtcol + 1); 7425 col_print(buf2, sizeof(buf2), (int)STRLEN(p), 7426 linetabsize(p)); 7427 7428 if (char_count_cursor == byte_count_cursor 7429 && char_count == byte_count) 7430 vim_snprintf((char *)IObuff, IOSIZE, 7431 _("Col %s of %s; Line %ld of %ld; Word %lld of %lld; Byte %lld of %lld"), 7432 (char *)buf1, (char *)buf2, 7433 (long)curwin->w_cursor.lnum, 7434 (long)curbuf->b_ml.ml_line_count, 7435 word_count_cursor, word_count, 7436 byte_count_cursor, byte_count); 7437 else 7438 vim_snprintf((char *)IObuff, IOSIZE, 7439 _("Col %s of %s; Line %ld of %ld; Word %lld of %lld; Char %lld of %lld; Byte %lld of %lld"), 7440 (char *)buf1, (char *)buf2, 7441 (long)curwin->w_cursor.lnum, 7442 (long)curbuf->b_ml.ml_line_count, 7443 word_count_cursor, word_count, 7444 char_count_cursor, char_count, 7445 byte_count_cursor, byte_count); 7446 } 7447 } 7448 7449 #ifdef FEAT_MBYTE 7450 bom_count = bomb_size(); 7451 if (bom_count > 0) 7452 vim_snprintf((char *)IObuff + STRLEN(IObuff), IOSIZE, 7453 _("(+%ld for BOM)"), bom_count); 7454 #endif 7455 if (dict == NULL) 7456 { 7457 /* Don't shorten this message, the user asked for it. */ 7458 p = p_shm; 7459 p_shm = (char_u *)""; 7460 msg(IObuff); 7461 p_shm = p; 7462 } 7463 } 7464 #if defined(FEAT_EVAL) 7465 if (dict != NULL) 7466 { 7467 dict_add_nr_str(dict, "words", word_count, NULL); 7468 dict_add_nr_str(dict, "chars", char_count, NULL); 7469 dict_add_nr_str(dict, "bytes", byte_count 7470 # ifdef FEAT_MBYTE 7471 + bom_count 7472 # endif 7473 , NULL); 7474 dict_add_nr_str(dict, VIsual_active ? "visual_bytes" : "cursor_bytes", 7475 byte_count_cursor, NULL); 7476 dict_add_nr_str(dict, VIsual_active ? "visual_chars" : "cursor_chars", 7477 char_count_cursor, NULL); 7478 dict_add_nr_str(dict, VIsual_active ? "visual_words" : "cursor_words", 7479 word_count_cursor, NULL); 7480 } 7481 #endif 7482 } 7483