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