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