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