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Bram Moolenaar071d4272004-06-13 20:20:40 +00001/* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 * See README.txt for an overview of the Vim source code.
8 */
9
10/*
11 * 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 is an array of pointers to lines.
54 */
55static struct yankreg
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#ifdef FEAT_VISUAL
61 colnr_T y_width; /* only set if y_type == MBLOCK */
62#endif
63} y_regs[NUM_REGISTERS];
64
65static struct yankreg *y_current; /* ptr to current yankreg */
66static int y_append; /* TRUE when appending */
67static struct yankreg *y_previous = NULL; /* ptr to last written yankreg */
68
69/*
70 * structure used by block_prep, op_delete and op_yank for blockwise operators
71 * also op_change, op_shift, op_insert, op_replace - AKelly
72 */
73struct block_def
74{
Bram Moolenaar9d77dcc2009-03-11 15:28:26 +000075 int startspaces; /* 'extra' cols before first char */
76 int endspaces; /* 'extra' cols after last char */
Bram Moolenaar071d4272004-06-13 20:20:40 +000077 int textlen; /* chars in block */
Bram Moolenaar9d77dcc2009-03-11 15:28:26 +000078 char_u *textstart; /* pointer to 1st char (partially) in block */
79 colnr_T textcol; /* index of chars (partially) in block */
Bram Moolenaar071d4272004-06-13 20:20:40 +000080 colnr_T start_vcol; /* start col of 1st char wholly inside block */
81 colnr_T end_vcol; /* start col of 1st char wholly after block */
82#ifdef FEAT_VISUALEXTRA
83 int is_short; /* TRUE if line is too short to fit in block */
84 int is_MAX; /* TRUE if curswant==MAXCOL when starting */
85 int is_oneChar; /* TRUE if block within one character */
86 int pre_whitesp; /* screen cols of ws before block */
87 int pre_whitesp_c; /* chars of ws before block */
88 colnr_T end_char_vcols; /* number of vcols of post-block char */
89#endif
90 colnr_T start_char_vcols; /* number of vcols of pre-block char */
91};
92
93#ifdef FEAT_VISUALEXTRA
94static void shift_block __ARGS((oparg_T *oap, int amount));
95static void block_insert __ARGS((oparg_T *oap, char_u *s, int b_insert, struct block_def*bdp));
96#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +000097static int stuff_yank __ARGS((int, char_u *));
Bram Moolenaard333d1e2006-11-07 17:43:47 +000098static void put_reedit_in_typebuf __ARGS((int silent));
Bram Moolenaar7f6ca072007-02-27 16:21:38 +000099static int put_in_typebuf __ARGS((char_u *s, int esc, int colon,
100 int silent));
Bram Moolenaar071d4272004-06-13 20:20:40 +0000101static void stuffescaped __ARGS((char_u *arg, int literally));
Bram Moolenaar071d4272004-06-13 20:20:40 +0000102#ifdef FEAT_MBYTE
103static void mb_adjust_opend __ARGS((oparg_T *oap));
104#endif
105static void free_yank __ARGS((long));
106static void free_yank_all __ARGS((void));
107static int yank_copy_line __ARGS((struct block_def *bd, long y_idx));
108#ifdef FEAT_CLIPBOARD
109static void copy_yank_reg __ARGS((struct yankreg *reg));
110# if defined(FEAT_VISUAL) || defined(FEAT_EVAL)
111static void may_set_selection __ARGS((void));
112# endif
113#endif
114static void dis_msg __ARGS((char_u *p, int skip_esc));
Bram Moolenaar81340392012-06-06 16:12:59 +0200115#if defined(FEAT_COMMENTS) || defined(PROTO)
116static char_u *skip_comment __ARGS((char_u *line, int process, int include_space, int *is_comment));
117#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +0000118#ifdef FEAT_VISUAL
119static void block_prep __ARGS((oparg_T *oap, struct block_def *, linenr_T, int));
120#endif
121#if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL)
122static void str_to_reg __ARGS((struct yankreg *y_ptr, int type, char_u *str, long len, long blocklen));
123#endif
124static int ends_in_white __ARGS((linenr_T lnum));
125#ifdef FEAT_COMMENTS
126static int same_leader __ARGS((linenr_T lnum, int, char_u *, int, char_u *));
127static int fmt_check_par __ARGS((linenr_T, int *, char_u **, int do_comments));
128#else
129static int fmt_check_par __ARGS((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 */
137static 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 */
Bram Moolenaar83c465c2005-12-16 21:53:56 +0000166 {'g', '@', FALSE}, /* OP_FUNCTION */
Bram Moolenaar071d4272004-06-13 20:20:40 +0000167};
168
169/*
170 * Translate a command name into an operator type.
171 * Must only be called with a valid operator name!
172 */
173 int
174get_op_type(char1, char2)
175 int char1;
176 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 for (i = 0; ; ++i)
185 if (opchars[i][0] == char1 && opchars[i][1] == char2)
186 break;
187 return i;
188}
189
190#if defined(FEAT_VISUAL) || defined(PROTO)
191/*
192 * Return TRUE if operator "op" always works on whole lines.
193 */
194 int
195op_on_lines(op)
196 int op;
197{
198 return opchars[op][2];
199}
200#endif
201
202/*
203 * Get first operator command character.
204 * Returns 'g' or 'z' if there is another command character.
205 */
206 int
207get_op_char(optype)
208 int optype;
209{
210 return opchars[optype][0];
211}
212
213/*
214 * Get second operator command character.
215 */
216 int
217get_extra_op_char(optype)
218 int optype;
219{
220 return opchars[optype][1];
221}
222
223/*
224 * op_shift - handle a shift operation
225 */
226 void
227op_shift(oap, curs_top, amount)
228 oparg_T *oap;
229 int curs_top;
230 int amount;
231{
232 long i;
233 int first_char;
234 char_u *s;
235#ifdef FEAT_VISUAL
236 int block_col = 0;
237#endif
238
239 if (u_save((linenr_T)(oap->start.lnum - 1),
240 (linenr_T)(oap->end.lnum + 1)) == FAIL)
241 return;
242
243#ifdef FEAT_VISUAL
244 if (oap->block_mode)
245 block_col = curwin->w_cursor.col;
246#endif
247
248 for (i = oap->line_count; --i >= 0; )
249 {
250 first_char = *ml_get_curline();
251 if (first_char == NUL) /* empty line */
252 curwin->w_cursor.col = 0;
253#ifdef FEAT_VISUALEXTRA
254 else if (oap->block_mode)
255 shift_block(oap, amount);
256#endif
257 else
258 /* Move the line right if it doesn't start with '#', 'smartindent'
259 * isn't set or 'cindent' isn't set or '#' isn't in 'cino'. */
260#if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT)
261 if (first_char != '#' || !preprocs_left())
262#endif
263 {
Bram Moolenaar21b17e72008-01-16 19:03:13 +0000264 shift_line(oap->op_type == OP_LSHIFT, p_sr, amount, FALSE);
Bram Moolenaar071d4272004-06-13 20:20:40 +0000265 }
266 ++curwin->w_cursor.lnum;
267 }
268
269 changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L);
270
271#ifdef FEAT_VISUAL
272 if (oap->block_mode)
273 {
274 curwin->w_cursor.lnum = oap->start.lnum;
275 curwin->w_cursor.col = block_col;
276 }
277 else
278#endif
279 if (curs_top) /* put cursor on first line, for ">>" */
280 {
281 curwin->w_cursor.lnum = oap->start.lnum;
282 beginline(BL_SOL | BL_FIX); /* shift_line() may have set cursor.col */
283 }
284 else
285 --curwin->w_cursor.lnum; /* put cursor on last line, for ":>" */
286
287 if (oap->line_count > p_report)
288 {
289 if (oap->op_type == OP_RSHIFT)
290 s = (char_u *)">";
291 else
292 s = (char_u *)"<";
293 if (oap->line_count == 1)
294 {
295 if (amount == 1)
296 sprintf((char *)IObuff, _("1 line %sed 1 time"), s);
297 else
298 sprintf((char *)IObuff, _("1 line %sed %d times"), s, amount);
299 }
300 else
301 {
302 if (amount == 1)
303 sprintf((char *)IObuff, _("%ld lines %sed 1 time"),
304 oap->line_count, s);
305 else
306 sprintf((char *)IObuff, _("%ld lines %sed %d times"),
307 oap->line_count, s, amount);
308 }
309 msg(IObuff);
310 }
311
312 /*
313 * Set "'[" and "']" marks.
314 */
315 curbuf->b_op_start = oap->start;
316 curbuf->b_op_end.lnum = oap->end.lnum;
317 curbuf->b_op_end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
318 if (curbuf->b_op_end.col > 0)
319 --curbuf->b_op_end.col;
320}
321
322/*
323 * shift the current line one shiftwidth left (if left != 0) or right
324 * leaves cursor on first blank in the line
325 */
326 void
Bram Moolenaar21b17e72008-01-16 19:03:13 +0000327shift_line(left, round, amount, call_changed_bytes)
Bram Moolenaar071d4272004-06-13 20:20:40 +0000328 int left;
329 int round;
330 int amount;
Bram Moolenaar21b17e72008-01-16 19:03:13 +0000331 int call_changed_bytes; /* call changed_bytes() */
Bram Moolenaar071d4272004-06-13 20:20:40 +0000332{
333 int count;
334 int i, j;
335 int p_sw = (int)curbuf->b_p_sw;
336
337 count = get_indent(); /* get current indent */
338
339 if (round) /* round off indent */
340 {
341 i = count / p_sw; /* number of p_sw rounded down */
342 j = count % p_sw; /* extra spaces */
343 if (j && left) /* first remove extra spaces */
344 --amount;
345 if (left)
346 {
347 i -= amount;
348 if (i < 0)
349 i = 0;
350 }
351 else
352 i += amount;
353 count = i * p_sw;
354 }
355 else /* original vi indent */
356 {
357 if (left)
358 {
359 count -= p_sw * amount;
360 if (count < 0)
361 count = 0;
362 }
363 else
364 count += p_sw * amount;
365 }
366
367 /* Set new indent */
368#ifdef FEAT_VREPLACE
369 if (State & VREPLACE_FLAG)
Bram Moolenaar21b17e72008-01-16 19:03:13 +0000370 change_indent(INDENT_SET, count, FALSE, NUL, call_changed_bytes);
Bram Moolenaar071d4272004-06-13 20:20:40 +0000371 else
372#endif
Bram Moolenaar21b17e72008-01-16 19:03:13 +0000373 (void)set_indent(count, call_changed_bytes ? SIN_CHANGED : 0);
Bram Moolenaar071d4272004-06-13 20:20:40 +0000374}
375
376#if defined(FEAT_VISUALEXTRA) || defined(PROTO)
377/*
378 * Shift one line of the current block one shiftwidth right or left.
379 * Leaves cursor on first character in block.
380 */
381 static void
382shift_block(oap, amount)
383 oparg_T *oap;
384 int amount;
385{
386 int left = (oap->op_type == OP_LSHIFT);
387 int oldstate = State;
Bram Moolenaar9d77dcc2009-03-11 15:28:26 +0000388 int total;
389 char_u *newp, *oldp;
Bram Moolenaar071d4272004-06-13 20:20:40 +0000390 int oldcol = curwin->w_cursor.col;
391 int p_sw = (int)curbuf->b_p_sw;
392 int p_ts = (int)curbuf->b_p_ts;
393 struct block_def bd;
Bram Moolenaar071d4272004-06-13 20:20:40 +0000394 int incr;
Bram Moolenaar9d77dcc2009-03-11 15:28:26 +0000395 colnr_T ws_vcol;
Bram Moolenaar071d4272004-06-13 20:20:40 +0000396 int i = 0, j = 0;
397 int len;
Bram Moolenaar071d4272004-06-13 20:20:40 +0000398#ifdef FEAT_RIGHTLEFT
399 int old_p_ri = p_ri;
400
401 p_ri = 0; /* don't want revins in ident */
402#endif
403
404 State = INSERT; /* don't want REPLACE for State */
405 block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE);
406 if (bd.is_short)
407 return;
408
409 /* total is number of screen columns to be inserted/removed */
410 total = amount * p_sw;
411 oldp = ml_get_curline();
412
413 if (!left)
414 {
415 /*
416 * 1. Get start vcol
417 * 2. Total ws vcols
418 * 3. Divvy into TABs & spp
419 * 4. Construct new string
420 */
421 total += bd.pre_whitesp; /* all virtual WS upto & incl a split TAB */
422 ws_vcol = bd.start_vcol - bd.pre_whitesp;
423 if (bd.startspaces)
424 {
425#ifdef FEAT_MBYTE
426 if (has_mbyte)
Bram Moolenaar0fa313a2005-08-10 21:07:57 +0000427 bd.textstart += (*mb_ptr2len)(bd.textstart);
Bram Moolenaarbe1138b2009-11-11 16:22:28 +0000428 else
Bram Moolenaar071d4272004-06-13 20:20:40 +0000429#endif
Bram Moolenaarbe1138b2009-11-11 16:22:28 +0000430 ++bd.textstart;
Bram Moolenaar071d4272004-06-13 20:20:40 +0000431 }
432 for ( ; vim_iswhite(*bd.textstart); )
433 {
434 incr = lbr_chartabsize_adv(&bd.textstart, (colnr_T)(bd.start_vcol));
435 total += incr;
436 bd.start_vcol += incr;
437 }
438 /* OK, now total=all the VWS reqd, and textstart points at the 1st
439 * non-ws char in the block. */
440 if (!curbuf->b_p_et)
441 i = ((ws_vcol % p_ts) + total) / p_ts; /* number of tabs */
442 if (i)
443 j = ((ws_vcol % p_ts) + total) % p_ts; /* number of spp */
444 else
445 j = total;
446 /* if we're splitting a TAB, allow for it */
447 bd.textcol -= bd.pre_whitesp_c - (bd.startspaces != 0);
448 len = (int)STRLEN(bd.textstart) + 1;
449 newp = alloc_check((unsigned)(bd.textcol + i + j + len));
450 if (newp == NULL)
451 return;
452 vim_memset(newp, NUL, (size_t)(bd.textcol + i + j + len));
453 mch_memmove(newp, oldp, (size_t)bd.textcol);
454 copy_chars(newp + bd.textcol, (size_t)i, TAB);
455 copy_spaces(newp + bd.textcol + i, (size_t)j);
456 /* the end */
457 mch_memmove(newp + bd.textcol + i + j, bd.textstart, (size_t)len);
458 }
459 else /* left */
460 {
Bram Moolenaar9d77dcc2009-03-11 15:28:26 +0000461 colnr_T destination_col; /* column to which text in block will
462 be shifted */
463 char_u *verbatim_copy_end; /* end of the part of the line which is
464 copied verbatim */
465 colnr_T verbatim_copy_width;/* the (displayed) width of this part
466 of line */
467 unsigned fill; /* nr of spaces that replace a TAB */
468 unsigned new_line_len; /* the length of the line after the
469 block shift */
470 size_t block_space_width;
471 size_t shift_amount;
472 char_u *non_white = bd.textstart;
473 colnr_T non_white_col;
Bram Moolenaar071d4272004-06-13 20:20:40 +0000474
Bram Moolenaar9d77dcc2009-03-11 15:28:26 +0000475 /*
476 * Firstly, let's find the first non-whitespace character that is
477 * displayed after the block's start column and the character's column
478 * number. Also, let's calculate the width of all the whitespace
479 * characters that are displayed in the block and precede the searched
480 * non-whitespace character.
481 */
Bram Moolenaar071d4272004-06-13 20:20:40 +0000482
Bram Moolenaar9d77dcc2009-03-11 15:28:26 +0000483 /* If "bd.startspaces" is set, "bd.textstart" points to the character,
484 * the part of which is displayed at the block's beginning. Let's start
485 * searching from the next character. */
486 if (bd.startspaces)
487 mb_ptr_adv(non_white);
488
489 /* The character's column is in "bd.start_vcol". */
490 non_white_col = bd.start_vcol;
491
492 while (vim_iswhite(*non_white))
493 {
494 incr = lbr_chartabsize_adv(&non_white, non_white_col);
495 non_white_col += incr;
Bram Moolenaar071d4272004-06-13 20:20:40 +0000496 }
497
Bram Moolenaar9d77dcc2009-03-11 15:28:26 +0000498 block_space_width = non_white_col - oap->start_vcol;
499 /* We will shift by "total" or "block_space_width", whichever is less.
500 */
Bram Moolenaar92a990b2009-04-22 15:45:05 +0000501 shift_amount = (block_space_width < (size_t)total
502 ? block_space_width : (size_t)total);
Bram Moolenaar9d77dcc2009-03-11 15:28:26 +0000503
504 /* The column to which we will shift the text. */
Bram Moolenaar92a990b2009-04-22 15:45:05 +0000505 destination_col = (colnr_T)(non_white_col - shift_amount);
Bram Moolenaar9d77dcc2009-03-11 15:28:26 +0000506
507 /* Now let's find out how much of the beginning of the line we can
508 * reuse without modification. */
509 verbatim_copy_end = bd.textstart;
510 verbatim_copy_width = bd.start_vcol;
511
512 /* If "bd.startspaces" is set, "bd.textstart" points to the character
513 * preceding the block. We have to subtract its width to obtain its
514 * column number. */
515 if (bd.startspaces)
516 verbatim_copy_width -= bd.start_char_vcols;
517 while (verbatim_copy_width < destination_col)
518 {
519 incr = lbr_chartabsize(verbatim_copy_end, verbatim_copy_width);
520 if (verbatim_copy_width + incr > destination_col)
521 break;
522 verbatim_copy_width += incr;
523 mb_ptr_adv(verbatim_copy_end);
524 }
525
526 /* If "destination_col" is different from the width of the initial
527 * part of the line that will be copied, it means we encountered a tab
528 * character, which we will have to partly replace with spaces. */
529 fill = destination_col - verbatim_copy_width;
530
531 /* The replacement line will consist of:
532 * - the beginning of the original line up to "verbatim_copy_end",
533 * - "fill" number of spaces,
534 * - the rest of the line, pointed to by non_white. */
535 new_line_len = (unsigned)(verbatim_copy_end - oldp)
536 + fill
537 + (unsigned)STRLEN(non_white) + 1;
538
539 newp = alloc_check(new_line_len);
Bram Moolenaar071d4272004-06-13 20:20:40 +0000540 if (newp == NULL)
541 return;
Bram Moolenaar9d77dcc2009-03-11 15:28:26 +0000542 mch_memmove(newp, oldp, (size_t)(verbatim_copy_end - oldp));
543 copy_spaces(newp + (verbatim_copy_end - oldp), (size_t)fill);
544 STRMOVE(newp + (verbatim_copy_end - oldp) + fill, non_white);
Bram Moolenaar071d4272004-06-13 20:20:40 +0000545 }
546 /* replace the line */
547 ml_replace(curwin->w_cursor.lnum, newp, FALSE);
548 changed_bytes(curwin->w_cursor.lnum, (colnr_T)bd.textcol);
549 State = oldstate;
550 curwin->w_cursor.col = oldcol;
551#ifdef FEAT_RIGHTLEFT
552 p_ri = old_p_ri;
553#endif
554}
555#endif
556
557#ifdef FEAT_VISUALEXTRA
558/*
559 * Insert string "s" (b_insert ? before : after) block :AKelly
560 * Caller must prepare for undo.
561 */
562 static void
563block_insert(oap, s, b_insert, bdp)
564 oparg_T *oap;
565 char_u *s;
566 int b_insert;
567 struct block_def *bdp;
568{
569 int p_ts;
570 int count = 0; /* extra spaces to replace a cut TAB */
571 int spaces = 0; /* non-zero if cutting a TAB */
572 colnr_T offset; /* pointer along new line */
573 unsigned s_len; /* STRLEN(s) */
574 char_u *newp, *oldp; /* new, old lines */
575 linenr_T lnum; /* loop var */
576 int oldstate = State;
577
578 State = INSERT; /* don't want REPLACE for State */
579 s_len = (unsigned)STRLEN(s);
580
581 for (lnum = oap->start.lnum + 1; lnum <= oap->end.lnum; lnum++)
582 {
583 block_prep(oap, bdp, lnum, TRUE);
584 if (bdp->is_short && b_insert)
585 continue; /* OP_INSERT, line ends before block start */
586
587 oldp = ml_get(lnum);
588
589 if (b_insert)
590 {
591 p_ts = bdp->start_char_vcols;
592 spaces = bdp->startspaces;
593 if (spaces != 0)
594 count = p_ts - 1; /* we're cutting a TAB */
595 offset = bdp->textcol;
596 }
597 else /* append */
598 {
599 p_ts = bdp->end_char_vcols;
600 if (!bdp->is_short) /* spaces = padding after block */
601 {
602 spaces = (bdp->endspaces ? p_ts - bdp->endspaces : 0);
603 if (spaces != 0)
604 count = p_ts - 1; /* we're cutting a TAB */
605 offset = bdp->textcol + bdp->textlen - (spaces != 0);
606 }
607 else /* spaces = padding to block edge */
608 {
609 /* if $ used, just append to EOL (ie spaces==0) */
610 if (!bdp->is_MAX)
611 spaces = (oap->end_vcol - bdp->end_vcol) + 1;
612 count = spaces;
613 offset = bdp->textcol + bdp->textlen;
614 }
615 }
616
617 newp = alloc_check((unsigned)(STRLEN(oldp)) + s_len + count + 1);
618 if (newp == NULL)
619 continue;
620
621 /* copy up to shifted part */
622 mch_memmove(newp, oldp, (size_t)(offset));
623 oldp += offset;
624
625 /* insert pre-padding */
626 copy_spaces(newp + offset, (size_t)spaces);
627
628 /* copy the new text */
629 mch_memmove(newp + offset + spaces, s, (size_t)s_len);
630 offset += s_len;
631
632 if (spaces && !bdp->is_short)
633 {
634 /* insert post-padding */
635 copy_spaces(newp + offset + spaces, (size_t)(p_ts - spaces));
636 /* We're splitting a TAB, don't copy it. */
637 oldp++;
638 /* We allowed for that TAB, remember this now */
639 count++;
640 }
641
642 if (spaces > 0)
643 offset += count;
Bram Moolenaarc1a11ed2008-06-24 22:09:24 +0000644 STRMOVE(newp + offset, oldp);
Bram Moolenaar071d4272004-06-13 20:20:40 +0000645
646 ml_replace(lnum, newp, FALSE);
647
648 if (lnum == oap->end.lnum)
649 {
650 /* Set "']" mark to the end of the block instead of the end of
651 * the insert in the first line. */
652 curbuf->b_op_end.lnum = oap->end.lnum;
653 curbuf->b_op_end.col = offset;
654 }
655 } /* for all lnum */
656
657 changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L);
658
659 State = oldstate;
660}
661#endif
662
663#if defined(FEAT_LISP) || defined(FEAT_CINDENT) || defined(PROTO)
664/*
665 * op_reindent - handle reindenting a block of lines.
666 */
667 void
668op_reindent(oap, how)
669 oparg_T *oap;
670 int (*how) __ARGS((void));
671{
672 long i;
673 char_u *l;
674 int count;
675 linenr_T first_changed = 0;
676 linenr_T last_changed = 0;
677 linenr_T start_lnum = curwin->w_cursor.lnum;
678
Bram Moolenaar4317d9b2005-03-18 20:25:31 +0000679 /* Don't even try when 'modifiable' is off. */
680 if (!curbuf->b_p_ma)
681 {
682 EMSG(_(e_modifiable));
683 return;
684 }
685
Bram Moolenaar071d4272004-06-13 20:20:40 +0000686 for (i = oap->line_count; --i >= 0 && !got_int; )
687 {
688 /* it's a slow thing to do, so give feedback so there's no worry that
689 * the computer's just hung. */
690
691 if (i > 1
692 && (i % 50 == 0 || i == oap->line_count - 1)
693 && oap->line_count > p_report)
694 smsg((char_u *)_("%ld lines to indent... "), i);
695
696 /*
697 * Be vi-compatible: For lisp indenting the first line is not
698 * indented, unless there is only one line.
699 */
700#ifdef FEAT_LISP
701 if (i != oap->line_count - 1 || oap->line_count == 1
702 || how != get_lisp_indent)
703#endif
704 {
705 l = skipwhite(ml_get_curline());
706 if (*l == NUL) /* empty or blank line */
707 count = 0;
708 else
709 count = how(); /* get the indent for this line */
710
711 if (set_indent(count, SIN_UNDO))
712 {
713 /* did change the indent, call changed_lines() later */
714 if (first_changed == 0)
715 first_changed = curwin->w_cursor.lnum;
716 last_changed = curwin->w_cursor.lnum;
717 }
718 }
719 ++curwin->w_cursor.lnum;
Bram Moolenaarddfc9782008-02-25 20:55:22 +0000720 curwin->w_cursor.col = 0; /* make sure it's valid */
Bram Moolenaar071d4272004-06-13 20:20:40 +0000721 }
722
723 /* put cursor on first non-blank of indented line */
724 curwin->w_cursor.lnum = start_lnum;
725 beginline(BL_SOL | BL_FIX);
726
727 /* Mark changed lines so that they will be redrawn. When Visual
728 * highlighting was present, need to continue until the last line. When
729 * there is no change still need to remove the Visual highlighting. */
730 if (last_changed != 0)
731 changed_lines(first_changed, 0,
732#ifdef FEAT_VISUAL
733 oap->is_VIsual ? start_lnum + oap->line_count :
734#endif
735 last_changed + 1, 0L);
736#ifdef FEAT_VISUAL
737 else if (oap->is_VIsual)
738 redraw_curbuf_later(INVERTED);
739#endif
740
741 if (oap->line_count > p_report)
742 {
743 i = oap->line_count - (i + 1);
744 if (i == 1)
745 MSG(_("1 line indented "));
746 else
747 smsg((char_u *)_("%ld lines indented "), i);
748 }
749 /* set '[ and '] marks */
750 curbuf->b_op_start = oap->start;
751 curbuf->b_op_end = oap->end;
752}
753#endif /* defined(FEAT_LISP) || defined(FEAT_CINDENT) */
754
755#if defined(FEAT_EVAL) || defined(PROTO)
756/*
757 * Keep the last expression line here, for repeating.
758 */
759static char_u *expr_line = NULL;
760
761/*
762 * Get an expression for the "\"=expr1" or "CTRL-R =expr1"
763 * Returns '=' when OK, NUL otherwise.
764 */
765 int
766get_expr_register()
767{
768 char_u *new_line;
769
770 new_line = getcmdline('=', 0L, 0);
771 if (new_line == NULL)
772 return NUL;
773 if (*new_line == NUL) /* use previous line */
774 vim_free(new_line);
775 else
776 set_expr_line(new_line);
777 return '=';
778}
779
780/*
781 * Set the expression for the '=' register.
782 * Argument must be an allocated string.
783 */
784 void
785set_expr_line(new_line)
786 char_u *new_line;
787{
788 vim_free(expr_line);
789 expr_line = new_line;
790}
791
792/*
793 * Get the result of the '=' register expression.
794 * Returns a pointer to allocated memory, or NULL for failure.
795 */
796 char_u *
797get_expr_line()
798{
799 char_u *expr_copy;
800 char_u *rv;
Bram Moolenaar21bffa72006-10-06 21:33:16 +0000801 static int nested = 0;
Bram Moolenaar071d4272004-06-13 20:20:40 +0000802
803 if (expr_line == NULL)
804 return NULL;
805
806 /* Make a copy of the expression, because evaluating it may cause it to be
807 * changed. */
808 expr_copy = vim_strsave(expr_line);
809 if (expr_copy == NULL)
810 return NULL;
811
Bram Moolenaar21bffa72006-10-06 21:33:16 +0000812 /* When we are invoked recursively limit the evaluation to 10 levels.
813 * Then return the string as-is. */
814 if (nested >= 10)
815 return expr_copy;
816
817 ++nested;
Bram Moolenaar362e1a32006-03-06 23:29:24 +0000818 rv = eval_to_string(expr_copy, NULL, TRUE);
Bram Moolenaar21bffa72006-10-06 21:33:16 +0000819 --nested;
Bram Moolenaar071d4272004-06-13 20:20:40 +0000820 vim_free(expr_copy);
821 return rv;
822}
Bram Moolenaarde934d72005-05-22 22:09:40 +0000823
824/*
825 * Get the '=' register expression itself, without evaluating it.
826 */
827 char_u *
828get_expr_line_src()
829{
830 if (expr_line == NULL)
831 return NULL;
832 return vim_strsave(expr_line);
833}
Bram Moolenaar071d4272004-06-13 20:20:40 +0000834#endif /* FEAT_EVAL */
835
836/*
837 * Check if 'regname' is a valid name of a yank register.
838 * Note: There is no check for 0 (default register), caller should do this
839 */
840 int
841valid_yank_reg(regname, writing)
842 int regname;
843 int writing; /* if TRUE check for writable registers */
844{
845 if ( (regname > 0 && ASCII_ISALNUM(regname))
846 || (!writing && vim_strchr((char_u *)
847#ifdef FEAT_EVAL
848 "/.%#:="
849#else
850 "/.%#:"
851#endif
852 , regname) != NULL)
853 || regname == '"'
854 || regname == '-'
855 || regname == '_'
856#ifdef FEAT_CLIPBOARD
857 || regname == '*'
858 || regname == '+'
859#endif
860#ifdef FEAT_DND
861 || (!writing && regname == '~')
862#endif
863 )
864 return TRUE;
865 return FALSE;
866}
867
868/*
869 * Set y_current and y_append, according to the value of "regname".
870 * Cannot handle the '_' register.
Bram Moolenaar677ee682005-01-27 14:41:15 +0000871 * Must only be called with a valid register name!
Bram Moolenaar071d4272004-06-13 20:20:40 +0000872 *
873 * If regname is 0 and writing, use register 0
874 * If regname is 0 and reading, use previous register
875 */
Bram Moolenaar8299df92004-07-10 09:47:34 +0000876 void
Bram Moolenaar071d4272004-06-13 20:20:40 +0000877get_yank_register(regname, writing)
878 int regname;
879 int writing;
880{
881 int i;
882
883 y_append = FALSE;
884 if ((regname == 0 || regname == '"') && !writing && y_previous != NULL)
885 {
886 y_current = y_previous;
887 return;
888 }
889 i = regname;
890 if (VIM_ISDIGIT(i))
891 i -= '0';
892 else if (ASCII_ISLOWER(i))
893 i = CharOrdLow(i) + 10;
894 else if (ASCII_ISUPPER(i))
895 {
896 i = CharOrdUp(i) + 10;
897 y_append = TRUE;
898 }
899 else if (regname == '-')
900 i = DELETION_REGISTER;
901#ifdef FEAT_CLIPBOARD
902 /* When selection is not available, use register 0 instead of '*' */
903 else if (clip_star.available && regname == '*')
904 i = STAR_REGISTER;
905 /* When clipboard is not available, use register 0 instead of '+' */
906 else if (clip_plus.available && regname == '+')
907 i = PLUS_REGISTER;
908#endif
909#ifdef FEAT_DND
910 else if (!writing && regname == '~')
911 i = TILDE_REGISTER;
912#endif
913 else /* not 0-9, a-z, A-Z or '-': use register 0 */
914 i = 0;
915 y_current = &(y_regs[i]);
916 if (writing) /* remember the register we write into for do_put() */
917 y_previous = y_current;
918}
919
Bram Moolenaar8299df92004-07-10 09:47:34 +0000920#if defined(FEAT_CLIPBOARD) || defined(PROTO)
Bram Moolenaar071d4272004-06-13 20:20:40 +0000921/*
922 * When "regname" is a clipboard register, obtain the selection. If it's not
923 * available return zero, otherwise return "regname".
924 */
Bram Moolenaar8299df92004-07-10 09:47:34 +0000925 int
Bram Moolenaar071d4272004-06-13 20:20:40 +0000926may_get_selection(regname)
927 int regname;
928{
929 if (regname == '*')
930 {
931 if (!clip_star.available)
932 regname = 0;
933 else
934 clip_get_selection(&clip_star);
935 }
936 else if (regname == '+')
937 {
938 if (!clip_plus.available)
939 regname = 0;
940 else
941 clip_get_selection(&clip_plus);
942 }
943 return regname;
944}
945#endif
946
947#if defined(FEAT_VISUAL) || defined(PROTO)
948/*
949 * Obtain the contents of a "normal" register. The register is made empty.
950 * The returned pointer has allocated memory, use put_register() later.
951 */
952 void *
953get_register(name, copy)
954 int name;
955 int copy; /* make a copy, if FALSE make register empty. */
956{
Bram Moolenaar0a307462007-12-01 20:13:05 +0000957 struct yankreg *reg;
958 int i;
Bram Moolenaar071d4272004-06-13 20:20:40 +0000959
960#ifdef FEAT_CLIPBOARD
961 /* When Visual area changed, may have to update selection. Obtain the
962 * selection too. */
Bram Moolenaarcdfd3e42007-11-08 09:35:50 +0000963 if (name == '*' && clip_star.available)
Bram Moolenaar071d4272004-06-13 20:20:40 +0000964 {
Bram Moolenaarc0885aa2012-07-10 16:49:23 +0200965 if (clip_isautosel_star())
966 clip_update_selection(&clip_star);
967 may_get_selection(name);
968 }
969 if (name == '+' && clip_plus.available)
970 {
971 if (clip_isautosel_plus())
972 clip_update_selection(&clip_plus);
Bram Moolenaar071d4272004-06-13 20:20:40 +0000973 may_get_selection(name);
974 }
975#endif
976
977 get_yank_register(name, 0);
978 reg = (struct yankreg *)alloc((unsigned)sizeof(struct yankreg));
979 if (reg != NULL)
980 {
981 *reg = *y_current;
982 if (copy)
983 {
984 /* If we run out of memory some or all of the lines are empty. */
985 if (reg->y_size == 0)
986 reg->y_array = NULL;
987 else
988 reg->y_array = (char_u **)alloc((unsigned)(sizeof(char_u *)
989 * reg->y_size));
990 if (reg->y_array != NULL)
991 {
992 for (i = 0; i < reg->y_size; ++i)
993 reg->y_array[i] = vim_strsave(y_current->y_array[i]);
994 }
995 }
996 else
997 y_current->y_array = NULL;
998 }
999 return (void *)reg;
1000}
1001
1002/*
Bram Moolenaar0a307462007-12-01 20:13:05 +00001003 * Put "reg" into register "name". Free any previous contents and "reg".
Bram Moolenaar071d4272004-06-13 20:20:40 +00001004 */
1005 void
1006put_register(name, reg)
1007 int name;
1008 void *reg;
1009{
1010 get_yank_register(name, 0);
1011 free_yank_all();
1012 *y_current = *(struct yankreg *)reg;
Bram Moolenaar0a307462007-12-01 20:13:05 +00001013 vim_free(reg);
Bram Moolenaar071d4272004-06-13 20:20:40 +00001014
1015# ifdef FEAT_CLIPBOARD
1016 /* Send text written to clipboard register to the clipboard. */
1017 may_set_selection();
1018# endif
1019}
1020#endif
1021
1022#if defined(FEAT_MOUSE) || defined(PROTO)
1023/*
1024 * return TRUE if the current yank register has type MLINE
1025 */
1026 int
1027yank_register_mline(regname)
1028 int regname;
1029{
1030 if (regname != 0 && !valid_yank_reg(regname, FALSE))
1031 return FALSE;
1032 if (regname == '_') /* black hole is always empty */
1033 return FALSE;
1034 get_yank_register(regname, FALSE);
1035 return (y_current->y_type == MLINE);
1036}
1037#endif
1038
1039/*
Bram Moolenaard55de222007-05-06 13:38:48 +00001040 * Start or stop recording into a yank register.
Bram Moolenaar071d4272004-06-13 20:20:40 +00001041 *
Bram Moolenaard55de222007-05-06 13:38:48 +00001042 * Return FAIL for failure, OK otherwise.
Bram Moolenaar071d4272004-06-13 20:20:40 +00001043 */
1044 int
1045do_record(c)
1046 int c;
1047{
Bram Moolenaard55de222007-05-06 13:38:48 +00001048 char_u *p;
1049 static int regname;
1050 struct yankreg *old_y_previous, *old_y_current;
1051 int retval;
Bram Moolenaar071d4272004-06-13 20:20:40 +00001052
1053 if (Recording == FALSE) /* start recording */
1054 {
1055 /* registers 0-9, a-z and " are allowed */
1056 if (c < 0 || (!ASCII_ISALNUM(c) && c != '"'))
1057 retval = FAIL;
1058 else
1059 {
1060 Recording = TRUE;
1061 showmode();
1062 regname = c;
1063 retval = OK;
1064 }
1065 }
1066 else /* stop recording */
1067 {
1068 /*
Bram Moolenaard55de222007-05-06 13:38:48 +00001069 * Get the recorded key hits. K_SPECIAL and CSI will be escaped, this
1070 * needs to be removed again to put it in a register. exec_reg then
1071 * adds the escaping back later.
Bram Moolenaar071d4272004-06-13 20:20:40 +00001072 */
1073 Recording = FALSE;
1074 MSG("");
1075 p = get_recorded();
1076 if (p == NULL)
1077 retval = FAIL;
1078 else
1079 {
Bram Moolenaar81b85872007-03-04 20:22:01 +00001080 /* Remove escaping for CSI and K_SPECIAL in multi-byte chars. */
1081 vim_unescape_csi(p);
1082
Bram Moolenaar071d4272004-06-13 20:20:40 +00001083 /*
1084 * We don't want to change the default register here, so save and
1085 * restore the current register name.
1086 */
1087 old_y_previous = y_previous;
1088 old_y_current = y_current;
1089
1090 retval = stuff_yank(regname, p);
1091
1092 y_previous = old_y_previous;
1093 y_current = old_y_current;
1094 }
1095 }
1096 return retval;
1097}
1098
1099/*
1100 * Stuff string "p" into yank register "regname" as a single line (append if
1101 * uppercase). "p" must have been alloced.
1102 *
1103 * return FAIL for failure, OK otherwise
1104 */
1105 static int
1106stuff_yank(regname, p)
1107 int regname;
1108 char_u *p;
1109{
1110 char_u *lp;
1111 char_u **pp;
1112
1113 /* check for read-only register */
1114 if (regname != 0 && !valid_yank_reg(regname, TRUE))
1115 {
1116 vim_free(p);
1117 return FAIL;
1118 }
1119 if (regname == '_') /* black hole: don't do anything */
1120 {
1121 vim_free(p);
1122 return OK;
1123 }
1124 get_yank_register(regname, TRUE);
1125 if (y_append && y_current->y_array != NULL)
1126 {
1127 pp = &(y_current->y_array[y_current->y_size - 1]);
1128 lp = lalloc((long_u)(STRLEN(*pp) + STRLEN(p) + 1), TRUE);
1129 if (lp == NULL)
1130 {
1131 vim_free(p);
1132 return FAIL;
1133 }
1134 STRCPY(lp, *pp);
1135 STRCAT(lp, p);
1136 vim_free(p);
1137 vim_free(*pp);
1138 *pp = lp;
1139 }
1140 else
1141 {
1142 free_yank_all();
1143 if ((y_current->y_array =
1144 (char_u **)alloc((unsigned)sizeof(char_u *))) == NULL)
1145 {
1146 vim_free(p);
1147 return FAIL;
1148 }
1149 y_current->y_array[0] = p;
1150 y_current->y_size = 1;
1151 y_current->y_type = MCHAR; /* used to be MLINE, why? */
1152 }
1153 return OK;
1154}
1155
Bram Moolenaar42b94362009-05-26 16:12:37 +00001156static int execreg_lastc = NUL;
1157
Bram Moolenaar071d4272004-06-13 20:20:40 +00001158/*
1159 * execute a yank register: copy it into the stuff buffer
1160 *
1161 * return FAIL for failure, OK otherwise
1162 */
1163 int
Bram Moolenaard333d1e2006-11-07 17:43:47 +00001164do_execreg(regname, colon, addcr, silent)
Bram Moolenaar071d4272004-06-13 20:20:40 +00001165 int regname;
1166 int colon; /* insert ':' before each line */
1167 int addcr; /* always add '\n' to end of line */
Bram Moolenaard333d1e2006-11-07 17:43:47 +00001168 int silent; /* set "silent" flag in typeahead buffer */
Bram Moolenaar071d4272004-06-13 20:20:40 +00001169{
Bram Moolenaar071d4272004-06-13 20:20:40 +00001170 long i;
1171 char_u *p;
1172 int retval = OK;
1173 int remap;
1174
1175 if (regname == '@') /* repeat previous one */
Bram Moolenaar26a60b42005-02-22 08:49:11 +00001176 {
Bram Moolenaar42b94362009-05-26 16:12:37 +00001177 if (execreg_lastc == NUL)
Bram Moolenaar26a60b42005-02-22 08:49:11 +00001178 {
1179 EMSG(_("E748: No previously used register"));
1180 return FAIL;
1181 }
Bram Moolenaar42b94362009-05-26 16:12:37 +00001182 regname = execreg_lastc;
Bram Moolenaar26a60b42005-02-22 08:49:11 +00001183 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00001184 /* check for valid regname */
1185 if (regname == '%' || regname == '#' || !valid_yank_reg(regname, FALSE))
Bram Moolenaar26a60b42005-02-22 08:49:11 +00001186 {
1187 emsg_invreg(regname);
Bram Moolenaar071d4272004-06-13 20:20:40 +00001188 return FAIL;
Bram Moolenaar26a60b42005-02-22 08:49:11 +00001189 }
Bram Moolenaar42b94362009-05-26 16:12:37 +00001190 execreg_lastc = regname;
Bram Moolenaar071d4272004-06-13 20:20:40 +00001191
1192#ifdef FEAT_CLIPBOARD
1193 regname = may_get_selection(regname);
1194#endif
1195
1196 if (regname == '_') /* black hole: don't stuff anything */
1197 return OK;
1198
1199#ifdef FEAT_CMDHIST
1200 if (regname == ':') /* use last command line */
1201 {
1202 if (last_cmdline == NULL)
1203 {
1204 EMSG(_(e_nolastcmd));
1205 return FAIL;
1206 }
1207 vim_free(new_last_cmdline); /* don't keep the cmdline containing @: */
1208 new_last_cmdline = NULL;
Bram Moolenaar2df6dcc2004-07-12 15:53:54 +00001209 /* Escape all control characters with a CTRL-V */
1210 p = vim_strsave_escaped_ext(last_cmdline,
Bram Moolenaar5eb86f92004-07-26 12:53:41 +00001211 (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);
Bram Moolenaar2df6dcc2004-07-12 15:53:54 +00001212 if (p != NULL)
Bram Moolenaar90cfdbe2005-08-12 19:59:19 +00001213 {
1214 /* When in Visual mode "'<,'>" will be prepended to the command.
1215 * Remove it when it's already there. */
1216 if (VIsual_active && STRNCMP(p, "'<,'>", 5) == 0)
Bram Moolenaar7f6ca072007-02-27 16:21:38 +00001217 retval = put_in_typebuf(p + 5, TRUE, TRUE, silent);
Bram Moolenaar90cfdbe2005-08-12 19:59:19 +00001218 else
Bram Moolenaar7f6ca072007-02-27 16:21:38 +00001219 retval = put_in_typebuf(p, TRUE, TRUE, silent);
Bram Moolenaar90cfdbe2005-08-12 19:59:19 +00001220 }
Bram Moolenaar2df6dcc2004-07-12 15:53:54 +00001221 vim_free(p);
Bram Moolenaar071d4272004-06-13 20:20:40 +00001222 }
1223#endif
1224#ifdef FEAT_EVAL
1225 else if (regname == '=')
1226 {
1227 p = get_expr_line();
1228 if (p == NULL)
1229 return FAIL;
Bram Moolenaar7f6ca072007-02-27 16:21:38 +00001230 retval = put_in_typebuf(p, TRUE, colon, silent);
Bram Moolenaar071d4272004-06-13 20:20:40 +00001231 vim_free(p);
1232 }
1233#endif
1234 else if (regname == '.') /* use last inserted text */
1235 {
1236 p = get_last_insert_save();
1237 if (p == NULL)
1238 {
1239 EMSG(_(e_noinstext));
1240 return FAIL;
1241 }
Bram Moolenaar7f6ca072007-02-27 16:21:38 +00001242 retval = put_in_typebuf(p, FALSE, colon, silent);
Bram Moolenaar071d4272004-06-13 20:20:40 +00001243 vim_free(p);
1244 }
1245 else
1246 {
1247 get_yank_register(regname, FALSE);
1248 if (y_current->y_array == NULL)
1249 return FAIL;
1250
1251 /* Disallow remaping for ":@r". */
1252 remap = colon ? REMAP_NONE : REMAP_YES;
1253
1254 /*
1255 * Insert lines into typeahead buffer, from last one to first one.
1256 */
Bram Moolenaard333d1e2006-11-07 17:43:47 +00001257 put_reedit_in_typebuf(silent);
Bram Moolenaar071d4272004-06-13 20:20:40 +00001258 for (i = y_current->y_size; --i >= 0; )
1259 {
Bram Moolenaar7f6ca072007-02-27 16:21:38 +00001260 char_u *escaped;
1261
Bram Moolenaar071d4272004-06-13 20:20:40 +00001262 /* insert NL between lines and after last line if type is MLINE */
1263 if (y_current->y_type == MLINE || i < y_current->y_size - 1
1264 || addcr)
1265 {
Bram Moolenaard333d1e2006-11-07 17:43:47 +00001266 if (ins_typebuf((char_u *)"\n", remap, 0, TRUE, silent) == FAIL)
Bram Moolenaar071d4272004-06-13 20:20:40 +00001267 return FAIL;
1268 }
Bram Moolenaar7f6ca072007-02-27 16:21:38 +00001269 escaped = vim_strsave_escape_csi(y_current->y_array[i]);
1270 if (escaped == NULL)
1271 return FAIL;
1272 retval = ins_typebuf(escaped, remap, 0, TRUE, silent);
1273 vim_free(escaped);
1274 if (retval == FAIL)
Bram Moolenaar071d4272004-06-13 20:20:40 +00001275 return FAIL;
Bram Moolenaard333d1e2006-11-07 17:43:47 +00001276 if (colon && ins_typebuf((char_u *)":", remap, 0, TRUE, silent)
Bram Moolenaar071d4272004-06-13 20:20:40 +00001277 == FAIL)
1278 return FAIL;
1279 }
1280 Exec_reg = TRUE; /* disable the 'q' command */
1281 }
1282 return retval;
1283}
1284
1285/*
1286 * If "restart_edit" is not zero, put it in the typeahead buffer, so that it's
1287 * used only after other typeahead has been processed.
1288 */
1289 static void
Bram Moolenaard333d1e2006-11-07 17:43:47 +00001290put_reedit_in_typebuf(silent)
1291 int silent;
Bram Moolenaar071d4272004-06-13 20:20:40 +00001292{
1293 char_u buf[3];
1294
1295 if (restart_edit != NUL)
1296 {
1297 if (restart_edit == 'V')
1298 {
1299 buf[0] = 'g';
1300 buf[1] = 'R';
1301 buf[2] = NUL;
1302 }
1303 else
1304 {
1305 buf[0] = restart_edit == 'I' ? 'i' : restart_edit;
1306 buf[1] = NUL;
1307 }
Bram Moolenaard333d1e2006-11-07 17:43:47 +00001308 if (ins_typebuf(buf, REMAP_NONE, 0, TRUE, silent) == OK)
Bram Moolenaar071d4272004-06-13 20:20:40 +00001309 restart_edit = NUL;
1310 }
1311}
1312
Bram Moolenaar38ef43b2010-01-27 16:31:13 +01001313/*
1314 * Insert register contents "s" into the typeahead buffer, so that it will be
1315 * executed again.
1316 * When "esc" is TRUE it is to be taken literally: Escape CSI characters and
1317 * no remapping.
1318 */
Bram Moolenaar071d4272004-06-13 20:20:40 +00001319 static int
Bram Moolenaar7f6ca072007-02-27 16:21:38 +00001320put_in_typebuf(s, esc, colon, silent)
Bram Moolenaar071d4272004-06-13 20:20:40 +00001321 char_u *s;
Bram Moolenaar38ef43b2010-01-27 16:31:13 +01001322 int esc;
Bram Moolenaar071d4272004-06-13 20:20:40 +00001323 int colon; /* add ':' before the line */
Bram Moolenaard333d1e2006-11-07 17:43:47 +00001324 int silent;
Bram Moolenaar071d4272004-06-13 20:20:40 +00001325{
1326 int retval = OK;
1327
Bram Moolenaard333d1e2006-11-07 17:43:47 +00001328 put_reedit_in_typebuf(silent);
Bram Moolenaar071d4272004-06-13 20:20:40 +00001329 if (colon)
Bram Moolenaar38ef43b2010-01-27 16:31:13 +01001330 retval = ins_typebuf((char_u *)"\n", REMAP_NONE, 0, TRUE, silent);
Bram Moolenaar071d4272004-06-13 20:20:40 +00001331 if (retval == OK)
Bram Moolenaar7f6ca072007-02-27 16:21:38 +00001332 {
1333 char_u *p;
1334
1335 if (esc)
1336 p = vim_strsave_escape_csi(s);
1337 else
1338 p = s;
1339 if (p == NULL)
1340 retval = FAIL;
1341 else
Bram Moolenaar38ef43b2010-01-27 16:31:13 +01001342 retval = ins_typebuf(p, esc ? REMAP_NONE : REMAP_YES,
1343 0, TRUE, silent);
Bram Moolenaar7f6ca072007-02-27 16:21:38 +00001344 if (esc)
1345 vim_free(p);
1346 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00001347 if (colon && retval == OK)
Bram Moolenaar38ef43b2010-01-27 16:31:13 +01001348 retval = ins_typebuf((char_u *)":", REMAP_NONE, 0, TRUE, silent);
Bram Moolenaar071d4272004-06-13 20:20:40 +00001349 return retval;
1350}
1351
1352/*
1353 * Insert a yank register: copy it into the Read buffer.
1354 * Used by CTRL-R command and middle mouse button in insert mode.
1355 *
1356 * return FAIL for failure, OK otherwise
1357 */
1358 int
1359insert_reg(regname, literally)
1360 int regname;
1361 int literally; /* insert literally, not as if typed */
1362{
1363 long i;
1364 int retval = OK;
1365 char_u *arg;
1366 int allocated;
1367
1368 /*
1369 * It is possible to get into an endless loop by having CTRL-R a in
1370 * register a and then, in insert mode, doing CTRL-R a.
1371 * If you hit CTRL-C, the loop will be broken here.
1372 */
1373 ui_breakcheck();
1374 if (got_int)
1375 return FAIL;
1376
1377 /* check for valid regname */
1378 if (regname != NUL && !valid_yank_reg(regname, FALSE))
1379 return FAIL;
1380
1381#ifdef FEAT_CLIPBOARD
1382 regname = may_get_selection(regname);
1383#endif
1384
1385 if (regname == '.') /* insert last inserted text */
1386 retval = stuff_inserted(NUL, 1L, TRUE);
1387 else if (get_spec_reg(regname, &arg, &allocated, TRUE))
1388 {
1389 if (arg == NULL)
1390 return FAIL;
1391 stuffescaped(arg, literally);
1392 if (allocated)
1393 vim_free(arg);
1394 }
1395 else /* name or number register */
1396 {
1397 get_yank_register(regname, FALSE);
1398 if (y_current->y_array == NULL)
1399 retval = FAIL;
1400 else
1401 {
1402 for (i = 0; i < y_current->y_size; ++i)
1403 {
1404 stuffescaped(y_current->y_array[i], literally);
1405 /*
1406 * Insert a newline between lines and after last line if
1407 * y_type is MLINE.
1408 */
1409 if (y_current->y_type == MLINE || i < y_current->y_size - 1)
1410 stuffcharReadbuff('\n');
1411 }
1412 }
1413 }
1414
1415 return retval;
1416}
1417
1418/*
1419 * Stuff a string into the typeahead buffer, such that edit() will insert it
1420 * literally ("literally" TRUE) or interpret is as typed characters.
1421 */
1422 static void
1423stuffescaped(arg, literally)
1424 char_u *arg;
1425 int literally;
1426{
1427 int c;
1428 char_u *start;
1429
1430 while (*arg != NUL)
1431 {
1432 /* Stuff a sequence of normal ASCII characters, that's fast. Also
1433 * stuff K_SPECIAL to get the effect of a special key when "literally"
1434 * is TRUE. */
1435 start = arg;
1436 while ((*arg >= ' '
1437#ifndef EBCDIC
1438 && *arg < DEL /* EBCDIC: chars above space are normal */
1439#endif
1440 )
1441 || (*arg == K_SPECIAL && !literally))
1442 ++arg;
1443 if (arg > start)
1444 stuffReadbuffLen(start, (long)(arg - start));
1445
1446 /* stuff a single special character */
1447 if (*arg != NUL)
1448 {
1449#ifdef FEAT_MBYTE
1450 if (has_mbyte)
Bram Moolenaar3b1c4852010-07-31 17:59:29 +02001451 c = mb_cptr2char_adv(&arg);
Bram Moolenaar071d4272004-06-13 20:20:40 +00001452 else
1453#endif
1454 c = *arg++;
1455 if (literally && ((c < ' ' && c != TAB) || c == DEL))
1456 stuffcharReadbuff(Ctrl_V);
1457 stuffcharReadbuff(c);
1458 }
1459 }
1460}
1461
1462/*
Bram Moolenaard55de222007-05-06 13:38:48 +00001463 * If "regname" is a special register, return TRUE and store a pointer to its
1464 * value in "argp".
Bram Moolenaar071d4272004-06-13 20:20:40 +00001465 */
Bram Moolenaar8299df92004-07-10 09:47:34 +00001466 int
Bram Moolenaar071d4272004-06-13 20:20:40 +00001467get_spec_reg(regname, argp, allocated, errmsg)
1468 int regname;
1469 char_u **argp;
Bram Moolenaard55de222007-05-06 13:38:48 +00001470 int *allocated; /* return: TRUE when value was allocated */
Bram Moolenaar071d4272004-06-13 20:20:40 +00001471 int errmsg; /* give error message when failing */
1472{
1473 int cnt;
1474
1475 *argp = NULL;
1476 *allocated = FALSE;
1477 switch (regname)
1478 {
1479 case '%': /* file name */
1480 if (errmsg)
1481 check_fname(); /* will give emsg if not set */
1482 *argp = curbuf->b_fname;
1483 return TRUE;
1484
1485 case '#': /* alternate file name */
1486 *argp = getaltfname(errmsg); /* may give emsg if not set */
1487 return TRUE;
1488
1489#ifdef FEAT_EVAL
1490 case '=': /* result of expression */
1491 *argp = get_expr_line();
1492 *allocated = TRUE;
1493 return TRUE;
1494#endif
1495
1496 case ':': /* last command line */
1497 if (last_cmdline == NULL && errmsg)
1498 EMSG(_(e_nolastcmd));
1499 *argp = last_cmdline;
1500 return TRUE;
1501
1502 case '/': /* last search-pattern */
1503 if (last_search_pat() == NULL && errmsg)
1504 EMSG(_(e_noprevre));
1505 *argp = last_search_pat();
1506 return TRUE;
1507
1508 case '.': /* last inserted text */
1509 *argp = get_last_insert_save();
1510 *allocated = TRUE;
1511 if (*argp == NULL && errmsg)
1512 EMSG(_(e_noinstext));
1513 return TRUE;
1514
1515#ifdef FEAT_SEARCHPATH
1516 case Ctrl_F: /* Filename under cursor */
1517 case Ctrl_P: /* Path under cursor, expand via "path" */
1518 if (!errmsg)
1519 return FALSE;
1520 *argp = file_name_at_cursor(FNAME_MESS | FNAME_HYP
Bram Moolenaard1f56e62006-02-22 21:25:37 +00001521 | (regname == Ctrl_P ? FNAME_EXP : 0), 1L, NULL);
Bram Moolenaar071d4272004-06-13 20:20:40 +00001522 *allocated = TRUE;
1523 return TRUE;
1524#endif
1525
1526 case Ctrl_W: /* word under cursor */
1527 case Ctrl_A: /* WORD (mnemonic All) under cursor */
1528 if (!errmsg)
1529 return FALSE;
1530 cnt = find_ident_under_cursor(argp, regname == Ctrl_W
1531 ? (FIND_IDENT|FIND_STRING) : FIND_STRING);
1532 *argp = cnt ? vim_strnsave(*argp, cnt) : NULL;
1533 *allocated = TRUE;
1534 return TRUE;
1535
1536 case '_': /* black hole: always empty */
1537 *argp = (char_u *)"";
1538 return TRUE;
1539 }
1540
1541 return FALSE;
1542}
1543
1544/*
Bram Moolenaar8299df92004-07-10 09:47:34 +00001545 * Paste a yank register into the command line.
1546 * Only for non-special registers.
1547 * Used by CTRL-R command in command-line mode
Bram Moolenaar071d4272004-06-13 20:20:40 +00001548 * insert_reg() can't be used here, because special characters from the
1549 * register contents will be interpreted as commands.
1550 *
1551 * return FAIL for failure, OK otherwise
1552 */
1553 int
Bram Moolenaar1769d5a2006-10-17 14:25:24 +00001554cmdline_paste_reg(regname, literally, remcr)
Bram Moolenaar071d4272004-06-13 20:20:40 +00001555 int regname;
1556 int literally; /* Insert text literally instead of "as typed" */
Bram Moolenaar1769d5a2006-10-17 14:25:24 +00001557 int remcr; /* don't add trailing CR */
Bram Moolenaar071d4272004-06-13 20:20:40 +00001558{
1559 long i;
Bram Moolenaar071d4272004-06-13 20:20:40 +00001560
1561 get_yank_register(regname, FALSE);
1562 if (y_current->y_array == NULL)
1563 return FAIL;
1564
1565 for (i = 0; i < y_current->y_size; ++i)
1566 {
1567 cmdline_paste_str(y_current->y_array[i], literally);
1568
Bram Moolenaar1769d5a2006-10-17 14:25:24 +00001569 /* Insert ^M between lines and after last line if type is MLINE.
1570 * Don't do this when "remcr" is TRUE and the next line is empty. */
1571 if (y_current->y_type == MLINE
1572 || (i < y_current->y_size - 1
1573 && !(remcr
1574 && i == y_current->y_size - 2
1575 && *y_current->y_array[i + 1] == NUL)))
Bram Moolenaar071d4272004-06-13 20:20:40 +00001576 cmdline_paste_str((char_u *)"\r", literally);
1577
1578 /* Check for CTRL-C, in case someone tries to paste a few thousand
1579 * lines and gets bored. */
1580 ui_breakcheck();
1581 if (got_int)
1582 return FAIL;
1583 }
1584 return OK;
1585}
1586
Bram Moolenaar071d4272004-06-13 20:20:40 +00001587#if defined(FEAT_CLIPBOARD) || defined(PROTO)
1588/*
1589 * Adjust the register name pointed to with "rp" for the clipboard being
1590 * used always and the clipboard being available.
1591 */
1592 void
1593adjust_clip_reg(rp)
1594 int *rp;
1595{
Bram Moolenaarbf9680e2010-12-02 21:43:16 +01001596 /* If no reg. specified, and "unnamed" or "unnamedplus" is in 'clipboard',
1597 * use '*' or '+' reg, respectively. "unnamedplus" prevails. */
1598 if (*rp == 0 && clip_unnamed != 0)
1599 *rp = ((clip_unnamed & CLIP_UNNAMED_PLUS) && clip_plus.available)
1600 ? '+' : '*';
Bram Moolenaar071d4272004-06-13 20:20:40 +00001601 if (!clip_star.available && *rp == '*')
1602 *rp = 0;
1603 if (!clip_plus.available && *rp == '+')
1604 *rp = 0;
1605}
1606#endif
1607
1608/*
Bram Moolenaard04b7502010-07-08 22:27:55 +02001609 * Handle a delete operation.
Bram Moolenaar071d4272004-06-13 20:20:40 +00001610 *
Bram Moolenaard04b7502010-07-08 22:27:55 +02001611 * Return FAIL if undo failed, OK otherwise.
Bram Moolenaar071d4272004-06-13 20:20:40 +00001612 */
1613 int
1614op_delete(oap)
1615 oparg_T *oap;
1616{
1617 int n;
1618 linenr_T lnum;
1619 char_u *ptr;
1620#ifdef FEAT_VISUAL
1621 char_u *newp, *oldp;
1622 struct block_def bd;
1623#endif
1624 linenr_T old_lcount = curbuf->b_ml.ml_line_count;
1625 int did_yank = FALSE;
1626
1627 if (curbuf->b_ml.ml_flags & ML_EMPTY) /* nothing to do */
1628 return OK;
1629
1630 /* Nothing to delete, return here. Do prepare undo, for op_change(). */
1631 if (oap->empty)
1632 return u_save_cursor();
1633
1634 if (!curbuf->b_p_ma)
1635 {
1636 EMSG(_(e_modifiable));
1637 return FAIL;
1638 }
1639
1640#ifdef FEAT_CLIPBOARD
1641 adjust_clip_reg(&oap->regname);
1642#endif
1643
1644#ifdef FEAT_MBYTE
1645 if (has_mbyte)
1646 mb_adjust_opend(oap);
1647#endif
1648
Bram Moolenaard04b7502010-07-08 22:27:55 +02001649 /*
1650 * Imitate the strange Vi behaviour: If the delete spans more than one
1651 * line and motion_type == MCHAR and the result is a blank line, make the
1652 * delete linewise. Don't do this for the change command or Visual mode.
1653 */
Bram Moolenaar071d4272004-06-13 20:20:40 +00001654 if ( oap->motion_type == MCHAR
1655#ifdef FEAT_VISUAL
1656 && !oap->is_VIsual
Bram Moolenaarec2dad62005-01-02 11:36:03 +00001657 && !oap->block_mode
Bram Moolenaar071d4272004-06-13 20:20:40 +00001658#endif
1659 && oap->line_count > 1
Bram Moolenaar64a72302012-01-10 13:46:22 +01001660 && oap->motion_force == NUL
Bram Moolenaar071d4272004-06-13 20:20:40 +00001661 && oap->op_type == OP_DELETE)
1662 {
Bram Moolenaar44286ca2011-07-15 17:51:34 +02001663 ptr = ml_get(oap->end.lnum) + oap->end.col;
1664 if (*ptr != NUL)
1665 ptr += oap->inclusive;
Bram Moolenaar071d4272004-06-13 20:20:40 +00001666 ptr = skipwhite(ptr);
1667 if (*ptr == NUL && inindent(0))
1668 oap->motion_type = MLINE;
1669 }
1670
Bram Moolenaard04b7502010-07-08 22:27:55 +02001671 /*
1672 * Check for trying to delete (e.g. "D") in an empty line.
1673 * Note: For the change operator it is ok.
1674 */
Bram Moolenaar071d4272004-06-13 20:20:40 +00001675 if ( oap->motion_type == MCHAR
1676 && oap->line_count == 1
1677 && oap->op_type == OP_DELETE
1678 && *ml_get(oap->start.lnum) == NUL)
1679 {
1680 /*
Bram Moolenaar87e25fd2005-07-27 21:13:01 +00001681 * It's an error to operate on an empty region, when 'E' included in
Bram Moolenaar071d4272004-06-13 20:20:40 +00001682 * 'cpoptions' (Vi compatible).
1683 */
Bram Moolenaar87e25fd2005-07-27 21:13:01 +00001684#ifdef FEAT_VIRTUALEDIT
1685 if (virtual_op)
1686 /* Virtual editing: Nothing gets deleted, but we set the '[ and ']
1687 * marks as if it happened. */
1688 goto setmarks;
1689#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00001690 if (vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL)
1691 beep_flush();
1692 return OK;
1693 }
1694
Bram Moolenaard04b7502010-07-08 22:27:55 +02001695 /*
1696 * Do a yank of whatever we're about to delete.
1697 * If a yank register was specified, put the deleted text into that
1698 * register. For the black hole register '_' don't yank anything.
1699 */
Bram Moolenaar071d4272004-06-13 20:20:40 +00001700 if (oap->regname != '_')
1701 {
1702 if (oap->regname != 0)
1703 {
1704 /* check for read-only register */
1705 if (!valid_yank_reg(oap->regname, TRUE))
1706 {
1707 beep_flush();
1708 return OK;
1709 }
1710 get_yank_register(oap->regname, TRUE); /* yank into specif'd reg. */
1711 if (op_yank(oap, TRUE, FALSE) == OK) /* yank without message */
1712 did_yank = TRUE;
1713 }
1714
1715 /*
1716 * Put deleted text into register 1 and shift number registers if the
1717 * delete contains a line break, or when a regname has been specified.
1718 */
1719 if (oap->regname != 0 || oap->motion_type == MLINE
1720 || oap->line_count > 1 || oap->use_reg_one)
1721 {
1722 y_current = &y_regs[9];
1723 free_yank_all(); /* free register nine */
1724 for (n = 9; n > 1; --n)
1725 y_regs[n] = y_regs[n - 1];
1726 y_previous = y_current = &y_regs[1];
1727 y_regs[1].y_array = NULL; /* set register one to empty */
1728 if (op_yank(oap, TRUE, FALSE) == OK)
1729 did_yank = TRUE;
1730 }
1731
Bram Moolenaar84298db2012-04-20 13:46:08 +02001732 /* Yank into small delete register when no named register specified
1733 * and the delete is within one line. */
1734 if ((
1735#ifdef FEAT_CLIPBOARD
Bram Moolenaarbfe3bf82012-06-13 17:28:55 +02001736 ((clip_unnamed & CLIP_UNNAMED) && oap->regname == '*') ||
1737 ((clip_unnamed & CLIP_UNNAMED_PLUS) && oap->regname == '+') ||
Bram Moolenaar84298db2012-04-20 13:46:08 +02001738#endif
1739 oap->regname == 0) && oap->motion_type != MLINE
Bram Moolenaar071d4272004-06-13 20:20:40 +00001740 && oap->line_count == 1)
1741 {
1742 oap->regname = '-';
1743 get_yank_register(oap->regname, TRUE);
1744 if (op_yank(oap, TRUE, FALSE) == OK)
1745 did_yank = TRUE;
1746 oap->regname = 0;
1747 }
1748
1749 /*
1750 * If there's too much stuff to fit in the yank register, then get a
1751 * confirmation before doing the delete. This is crude, but simple.
1752 * And it avoids doing a delete of something we can't put back if we
1753 * want.
1754 */
1755 if (!did_yank)
1756 {
1757 int msg_silent_save = msg_silent;
1758
1759 msg_silent = 0; /* must display the prompt */
1760 n = ask_yesno((char_u *)_("cannot yank; delete anyway"), TRUE);
1761 msg_silent = msg_silent_save;
1762 if (n != 'y')
1763 {
1764 EMSG(_(e_abort));
1765 return FAIL;
1766 }
1767 }
1768 }
1769
1770#ifdef FEAT_VISUAL
Bram Moolenaard04b7502010-07-08 22:27:55 +02001771 /*
1772 * block mode delete
1773 */
Bram Moolenaar071d4272004-06-13 20:20:40 +00001774 if (oap->block_mode)
1775 {
1776 if (u_save((linenr_T)(oap->start.lnum - 1),
1777 (linenr_T)(oap->end.lnum + 1)) == FAIL)
1778 return FAIL;
1779
1780 for (lnum = curwin->w_cursor.lnum; lnum <= oap->end.lnum; ++lnum)
1781 {
1782 block_prep(oap, &bd, lnum, TRUE);
1783 if (bd.textlen == 0) /* nothing to delete */
1784 continue;
1785
1786 /* Adjust cursor position for tab replaced by spaces and 'lbr'. */
1787 if (lnum == curwin->w_cursor.lnum)
1788 {
1789 curwin->w_cursor.col = bd.textcol + bd.startspaces;
1790# ifdef FEAT_VIRTUALEDIT
1791 curwin->w_cursor.coladd = 0;
1792# endif
1793 }
1794
1795 /* n == number of chars deleted
1796 * If we delete a TAB, it may be replaced by several characters.
1797 * Thus the number of characters may increase!
1798 */
1799 n = bd.textlen - bd.startspaces - bd.endspaces;
1800 oldp = ml_get(lnum);
1801 newp = alloc_check((unsigned)STRLEN(oldp) + 1 - n);
1802 if (newp == NULL)
1803 continue;
1804 /* copy up to deleted part */
1805 mch_memmove(newp, oldp, (size_t)bd.textcol);
1806 /* insert spaces */
1807 copy_spaces(newp + bd.textcol,
1808 (size_t)(bd.startspaces + bd.endspaces));
1809 /* copy the part after the deleted part */
1810 oldp += bd.textcol + bd.textlen;
Bram Moolenaarc1a11ed2008-06-24 22:09:24 +00001811 STRMOVE(newp + bd.textcol + bd.startspaces + bd.endspaces, oldp);
Bram Moolenaar071d4272004-06-13 20:20:40 +00001812 /* replace the line */
1813 ml_replace(lnum, newp, FALSE);
1814 }
1815
1816 check_cursor_col();
1817 changed_lines(curwin->w_cursor.lnum, curwin->w_cursor.col,
1818 oap->end.lnum + 1, 0L);
1819 oap->line_count = 0; /* no lines deleted */
1820 }
1821 else
1822#endif
1823 if (oap->motion_type == MLINE)
1824 {
1825 if (oap->op_type == OP_CHANGE)
1826 {
1827 /* Delete the lines except the first one. Temporarily move the
1828 * cursor to the next line. Save the current line number, if the
1829 * last line is deleted it may be changed.
1830 */
1831 if (oap->line_count > 1)
1832 {
1833 lnum = curwin->w_cursor.lnum;
1834 ++curwin->w_cursor.lnum;
1835 del_lines((long)(oap->line_count - 1), TRUE);
1836 curwin->w_cursor.lnum = lnum;
1837 }
1838 if (u_save_cursor() == FAIL)
1839 return FAIL;
1840 if (curbuf->b_p_ai) /* don't delete indent */
1841 {
1842 beginline(BL_WHITE); /* cursor on first non-white */
1843 did_ai = TRUE; /* delete the indent when ESC hit */
1844 ai_col = curwin->w_cursor.col;
1845 }
1846 else
1847 beginline(0); /* cursor in column 0 */
1848 truncate_line(FALSE); /* delete the rest of the line */
1849 /* leave cursor past last char in line */
1850 if (oap->line_count > 1)
1851 u_clearline(); /* "U" command not possible after "2cc" */
1852 }
1853 else
1854 {
1855 del_lines(oap->line_count, TRUE);
1856 beginline(BL_WHITE | BL_FIX);
1857 u_clearline(); /* "U" command not possible after "dd" */
1858 }
1859 }
1860 else
1861 {
1862#ifdef FEAT_VIRTUALEDIT
1863 if (virtual_op)
1864 {
1865 int endcol = 0;
1866
1867 /* For virtualedit: break the tabs that are partly included. */
1868 if (gchar_pos(&oap->start) == '\t')
1869 {
1870 if (u_save_cursor() == FAIL) /* save first line for undo */
1871 return FAIL;
1872 if (oap->line_count == 1)
1873 endcol = getviscol2(oap->end.col, oap->end.coladd);
1874 coladvance_force(getviscol2(oap->start.col, oap->start.coladd));
1875 oap->start = curwin->w_cursor;
1876 if (oap->line_count == 1)
1877 {
1878 coladvance(endcol);
1879 oap->end.col = curwin->w_cursor.col;
1880 oap->end.coladd = curwin->w_cursor.coladd;
1881 curwin->w_cursor = oap->start;
1882 }
1883 }
1884
1885 /* Break a tab only when it's included in the area. */
1886 if (gchar_pos(&oap->end) == '\t'
1887 && (int)oap->end.coladd < oap->inclusive)
1888 {
1889 /* save last line for undo */
1890 if (u_save((linenr_T)(oap->end.lnum - 1),
1891 (linenr_T)(oap->end.lnum + 1)) == FAIL)
1892 return FAIL;
1893 curwin->w_cursor = oap->end;
1894 coladvance_force(getviscol2(oap->end.col, oap->end.coladd));
1895 oap->end = curwin->w_cursor;
1896 curwin->w_cursor = oap->start;
1897 }
1898 }
1899#endif
1900
1901 if (oap->line_count == 1) /* delete characters within one line */
1902 {
1903 if (u_save_cursor() == FAIL) /* save line for undo */
1904 return FAIL;
1905
1906 /* if 'cpoptions' contains '$', display '$' at end of change */
1907 if ( vim_strchr(p_cpo, CPO_DOLLAR) != NULL
1908 && oap->op_type == OP_CHANGE
1909 && oap->end.lnum == curwin->w_cursor.lnum
1910#ifdef FEAT_VISUAL
1911 && !oap->is_VIsual
1912#endif
1913 )
1914 display_dollar(oap->end.col - !oap->inclusive);
1915
1916 n = oap->end.col - oap->start.col + 1 - !oap->inclusive;
1917
1918#ifdef FEAT_VIRTUALEDIT
1919 if (virtual_op)
1920 {
1921 /* fix up things for virtualedit-delete:
1922 * break the tabs which are going to get in our way
1923 */
1924 char_u *curline = ml_get_curline();
1925 int len = (int)STRLEN(curline);
1926
1927 if (oap->end.coladd != 0
1928 && (int)oap->end.col >= len - 1
1929 && !(oap->start.coladd && (int)oap->end.col >= len - 1))
1930 n++;
1931 /* Delete at least one char (e.g, when on a control char). */
1932 if (n == 0 && oap->start.coladd != oap->end.coladd)
1933 n = 1;
1934
1935 /* When deleted a char in the line, reset coladd. */
1936 if (gchar_cursor() != NUL)
1937 curwin->w_cursor.coladd = 0;
1938 }
1939#endif
Bram Moolenaara554a192011-09-21 17:33:53 +02001940 if (oap->op_type == OP_DELETE
1941 && oap->inclusive
1942 && oap->end.lnum == curbuf->b_ml.ml_line_count
Bram Moolenaar44286ca2011-07-15 17:51:34 +02001943 && n > (int)STRLEN(ml_get(oap->end.lnum)))
1944 {
1945 /* Special case: gH<Del> deletes the last line. */
1946 del_lines(1L, FALSE);
1947 }
1948 else
1949 {
1950 (void)del_bytes((long)n, !virtual_op, oap->op_type == OP_DELETE
Bram Moolenaara9b1e742005-12-19 22:14:58 +00001951#ifdef FEAT_VISUAL
1952 && !oap->is_VIsual
1953#endif
1954 );
Bram Moolenaar44286ca2011-07-15 17:51:34 +02001955 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00001956 }
1957 else /* delete characters between lines */
1958 {
1959 pos_T curpos;
Bram Moolenaar5f1e3e42012-02-22 17:38:00 +01001960 int delete_last_line;
Bram Moolenaar071d4272004-06-13 20:20:40 +00001961
1962 /* save deleted and changed lines for undo */
1963 if (u_save((linenr_T)(curwin->w_cursor.lnum - 1),
1964 (linenr_T)(curwin->w_cursor.lnum + oap->line_count)) == FAIL)
1965 return FAIL;
1966
Bram Moolenaar5f1e3e42012-02-22 17:38:00 +01001967 delete_last_line = (oap->end.lnum == curbuf->b_ml.ml_line_count);
Bram Moolenaar071d4272004-06-13 20:20:40 +00001968 truncate_line(TRUE); /* delete from cursor to end of line */
1969
1970 curpos = curwin->w_cursor; /* remember curwin->w_cursor */
1971 ++curwin->w_cursor.lnum;
1972 del_lines((long)(oap->line_count - 2), FALSE);
1973
Bram Moolenaar9e98edf2012-03-07 19:30:36 +01001974 if (delete_last_line)
1975 oap->end.lnum = curbuf->b_ml.ml_line_count;
1976
Bram Moolenaar44286ca2011-07-15 17:51:34 +02001977 n = (oap->end.col + 1 - !oap->inclusive);
Bram Moolenaar5f1e3e42012-02-22 17:38:00 +01001978 if (oap->inclusive && delete_last_line
Bram Moolenaar44286ca2011-07-15 17:51:34 +02001979 && n > (int)STRLEN(ml_get(oap->end.lnum)))
1980 {
1981 /* Special case: gH<Del> deletes the last line. */
1982 del_lines(1L, FALSE);
1983 curwin->w_cursor = curpos; /* restore curwin->w_cursor */
Bram Moolenaar66accae2012-01-10 13:44:27 +01001984 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
1985 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
Bram Moolenaar44286ca2011-07-15 17:51:34 +02001986 }
1987 else
1988 {
1989 /* delete from start of line until op_end */
1990 curwin->w_cursor.col = 0;
1991 (void)del_bytes((long)n, !virtual_op, oap->op_type == OP_DELETE
Bram Moolenaara9b1e742005-12-19 22:14:58 +00001992#ifdef FEAT_VISUAL
1993 && !oap->is_VIsual
1994#endif
1995 );
Bram Moolenaar44286ca2011-07-15 17:51:34 +02001996 curwin->w_cursor = curpos; /* restore curwin->w_cursor */
1997 }
1998 if (curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
Bram Moolenaar81340392012-06-06 16:12:59 +02001999 (void)do_join(2, FALSE, FALSE, FALSE);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002000 }
2001 }
2002
2003 msgmore(curbuf->b_ml.ml_line_count - old_lcount);
2004
Bram Moolenaar87e25fd2005-07-27 21:13:01 +00002005#ifdef FEAT_VIRTUALEDIT
2006setmarks:
2007#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00002008#ifdef FEAT_VISUAL
2009 if (oap->block_mode)
2010 {
2011 curbuf->b_op_end.lnum = oap->end.lnum;
2012 curbuf->b_op_end.col = oap->start.col;
2013 }
2014 else
2015#endif
2016 curbuf->b_op_end = oap->start;
2017 curbuf->b_op_start = oap->start;
2018
2019 return OK;
2020}
2021
2022#ifdef FEAT_MBYTE
2023/*
2024 * Adjust end of operating area for ending on a multi-byte character.
2025 * Used for deletion.
2026 */
2027 static void
2028mb_adjust_opend(oap)
2029 oparg_T *oap;
2030{
2031 char_u *p;
2032
2033 if (oap->inclusive)
2034 {
2035 p = ml_get(oap->end.lnum);
2036 oap->end.col += mb_tail_off(p, p + oap->end.col);
2037 }
2038}
2039#endif
2040
2041#if defined(FEAT_VISUALEXTRA) || defined(PROTO)
2042/*
2043 * Replace a whole area with one character.
2044 */
2045 int
2046op_replace(oap, c)
2047 oparg_T *oap;
2048 int c;
2049{
2050 int n, numc;
2051#ifdef FEAT_MBYTE
2052 int num_chars;
2053#endif
2054 char_u *newp, *oldp;
2055 size_t oldlen;
2056 struct block_def bd;
2057
2058 if ((curbuf->b_ml.ml_flags & ML_EMPTY ) || oap->empty)
2059 return OK; /* nothing to do */
2060
2061#ifdef FEAT_MBYTE
2062 if (has_mbyte)
2063 mb_adjust_opend(oap);
2064#endif
2065
2066 if (u_save((linenr_T)(oap->start.lnum - 1),
2067 (linenr_T)(oap->end.lnum + 1)) == FAIL)
2068 return FAIL;
2069
2070 /*
2071 * block mode replace
2072 */
2073 if (oap->block_mode)
2074 {
2075 bd.is_MAX = (curwin->w_curswant == MAXCOL);
2076 for ( ; curwin->w_cursor.lnum <= oap->end.lnum; ++curwin->w_cursor.lnum)
2077 {
Bram Moolenaara1381de2009-11-03 15:44:21 +00002078 curwin->w_cursor.col = 0; /* make sure cursor position is valid */
Bram Moolenaar071d4272004-06-13 20:20:40 +00002079 block_prep(oap, &bd, curwin->w_cursor.lnum, TRUE);
2080 if (bd.textlen == 0 && (!virtual_op || bd.is_MAX))
2081 continue; /* nothing to replace */
2082
2083 /* n == number of extra chars required
2084 * If we split a TAB, it may be replaced by several characters.
2085 * Thus the number of characters may increase!
2086 */
2087#ifdef FEAT_VIRTUALEDIT
2088 /* If the range starts in virtual space, count the initial
2089 * coladd offset as part of "startspaces" */
2090 if (virtual_op && bd.is_short && *bd.textstart == NUL)
2091 {
2092 pos_T vpos;
2093
Bram Moolenaara1381de2009-11-03 15:44:21 +00002094 vpos.lnum = curwin->w_cursor.lnum;
Bram Moolenaar071d4272004-06-13 20:20:40 +00002095 getvpos(&vpos, oap->start_vcol);
2096 bd.startspaces += vpos.coladd;
2097 n = bd.startspaces;
2098 }
2099 else
2100#endif
2101 /* allow for pre spaces */
2102 n = (bd.startspaces ? bd.start_char_vcols - 1 : 0);
2103
2104 /* allow for post spp */
2105 n += (bd.endspaces
2106#ifdef FEAT_VIRTUALEDIT
2107 && !bd.is_oneChar
2108#endif
2109 && bd.end_char_vcols > 0) ? bd.end_char_vcols - 1 : 0;
2110 /* Figure out how many characters to replace. */
2111 numc = oap->end_vcol - oap->start_vcol + 1;
2112 if (bd.is_short && (!virtual_op || bd.is_MAX))
2113 numc -= (oap->end_vcol - bd.end_vcol) + 1;
2114
2115#ifdef FEAT_MBYTE
2116 /* A double-wide character can be replaced only up to half the
2117 * times. */
2118 if ((*mb_char2cells)(c) > 1)
2119 {
2120 if ((numc & 1) && !bd.is_short)
2121 {
2122 ++bd.endspaces;
2123 ++n;
2124 }
2125 numc = numc / 2;
2126 }
2127
2128 /* Compute bytes needed, move character count to num_chars. */
2129 num_chars = numc;
2130 numc *= (*mb_char2len)(c);
2131#endif
2132 /* oldlen includes textlen, so don't double count */
2133 n += numc - bd.textlen;
2134
2135 oldp = ml_get_curline();
2136 oldlen = STRLEN(oldp);
2137 newp = alloc_check((unsigned)oldlen + 1 + n);
2138 if (newp == NULL)
2139 continue;
2140 vim_memset(newp, NUL, (size_t)(oldlen + 1 + n));
2141 /* copy up to deleted part */
2142 mch_memmove(newp, oldp, (size_t)bd.textcol);
2143 oldp += bd.textcol + bd.textlen;
2144 /* insert pre-spaces */
2145 copy_spaces(newp + bd.textcol, (size_t)bd.startspaces);
2146 /* insert replacement chars CHECK FOR ALLOCATED SPACE */
2147#ifdef FEAT_MBYTE
2148 if (has_mbyte)
2149 {
Bram Moolenaara93fa7e2006-04-17 22:14:47 +00002150 n = (int)STRLEN(newp);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002151 while (--num_chars >= 0)
2152 n += (*mb_char2bytes)(c, newp + n);
2153 }
2154 else
2155#endif
2156 copy_chars(newp + STRLEN(newp), (size_t)numc, c);
2157 if (!bd.is_short)
2158 {
2159 /* insert post-spaces */
2160 copy_spaces(newp + STRLEN(newp), (size_t)bd.endspaces);
2161 /* copy the part after the changed part */
Bram Moolenaarc1a11ed2008-06-24 22:09:24 +00002162 STRMOVE(newp + STRLEN(newp), oldp);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002163 }
2164 /* replace the line */
2165 ml_replace(curwin->w_cursor.lnum, newp, FALSE);
2166 }
2167 }
2168 else
2169 {
2170 /*
2171 * MCHAR and MLINE motion replace.
2172 */
2173 if (oap->motion_type == MLINE)
2174 {
2175 oap->start.col = 0;
2176 curwin->w_cursor.col = 0;
2177 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
2178 if (oap->end.col)
2179 --oap->end.col;
2180 }
2181 else if (!oap->inclusive)
2182 dec(&(oap->end));
2183
2184 while (ltoreq(curwin->w_cursor, oap->end))
2185 {
2186 n = gchar_cursor();
2187 if (n != NUL)
2188 {
2189#ifdef FEAT_MBYTE
2190 if ((*mb_char2len)(c) > 1 || (*mb_char2len)(n) > 1)
2191 {
2192 /* This is slow, but it handles replacing a single-byte
2193 * with a multi-byte and the other way around. */
2194 oap->end.col += (*mb_char2len)(c) - (*mb_char2len)(n);
2195 n = State;
2196 State = REPLACE;
2197 ins_char(c);
2198 State = n;
2199 /* Backup to the replaced character. */
2200 dec_cursor();
2201 }
2202 else
2203#endif
2204 {
2205#ifdef FEAT_VIRTUALEDIT
2206 if (n == TAB)
2207 {
2208 int end_vcol = 0;
2209
2210 if (curwin->w_cursor.lnum == oap->end.lnum)
2211 {
2212 /* oap->end has to be recalculated when
2213 * the tab breaks */
2214 end_vcol = getviscol2(oap->end.col,
2215 oap->end.coladd);
2216 }
2217 coladvance_force(getviscol());
2218 if (curwin->w_cursor.lnum == oap->end.lnum)
2219 getvpos(&oap->end, end_vcol);
2220 }
2221#endif
2222 pchar(curwin->w_cursor, c);
2223 }
2224 }
2225#ifdef FEAT_VIRTUALEDIT
2226 else if (virtual_op && curwin->w_cursor.lnum == oap->end.lnum)
2227 {
2228 int virtcols = oap->end.coladd;
2229
2230 if (curwin->w_cursor.lnum == oap->start.lnum
2231 && oap->start.col == oap->end.col && oap->start.coladd)
2232 virtcols -= oap->start.coladd;
2233
2234 /* oap->end has been trimmed so it's effectively inclusive;
2235 * as a result an extra +1 must be counted so we don't
2236 * trample the NUL byte. */
2237 coladvance_force(getviscol2(oap->end.col, oap->end.coladd) + 1);
2238 curwin->w_cursor.col -= (virtcols + 1);
2239 for (; virtcols >= 0; virtcols--)
2240 {
2241 pchar(curwin->w_cursor, c);
2242 if (inc(&curwin->w_cursor) == -1)
2243 break;
2244 }
2245 }
2246#endif
2247
2248 /* Advance to next character, stop at the end of the file. */
2249 if (inc_cursor() == -1)
2250 break;
2251 }
2252 }
2253
2254 curwin->w_cursor = oap->start;
2255 check_cursor();
2256 changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1, 0L);
2257
2258 /* Set "'[" and "']" marks. */
2259 curbuf->b_op_start = oap->start;
2260 curbuf->b_op_end = oap->end;
2261
2262 return OK;
2263}
2264#endif
2265
Bram Moolenaarb44df0a2008-01-22 15:02:31 +00002266static int swapchars __ARGS((int op_type, pos_T *pos, int length));
2267
Bram Moolenaar071d4272004-06-13 20:20:40 +00002268/*
2269 * Handle the (non-standard vi) tilde operator. Also for "gu", "gU" and "g?".
2270 */
2271 void
2272op_tilde(oap)
2273 oparg_T *oap;
2274{
2275 pos_T pos;
2276#ifdef FEAT_VISUAL
2277 struct block_def bd;
Bram Moolenaar60a795a2005-09-16 21:55:43 +00002278#endif
Bram Moolenaare60c58d2008-02-06 13:44:43 +00002279 int did_change = FALSE;
Bram Moolenaar071d4272004-06-13 20:20:40 +00002280
2281 if (u_save((linenr_T)(oap->start.lnum - 1),
2282 (linenr_T)(oap->end.lnum + 1)) == FAIL)
2283 return;
2284
2285 pos = oap->start;
2286#ifdef FEAT_VISUAL
2287 if (oap->block_mode) /* Visual block mode */
2288 {
2289 for (; pos.lnum <= oap->end.lnum; ++pos.lnum)
2290 {
Bram Moolenaar555b3d52008-12-03 12:38:36 +00002291 int one_change;
2292
Bram Moolenaar071d4272004-06-13 20:20:40 +00002293 block_prep(oap, &bd, pos.lnum, FALSE);
2294 pos.col = bd.textcol;
Bram Moolenaar555b3d52008-12-03 12:38:36 +00002295 one_change = swapchars(oap->op_type, &pos, bd.textlen);
2296 did_change |= one_change;
Bram Moolenaarb44df0a2008-01-22 15:02:31 +00002297
Bram Moolenaar071d4272004-06-13 20:20:40 +00002298# ifdef FEAT_NETBEANS_INTG
Bram Moolenaarb26e6322010-05-22 21:34:09 +02002299 if (netbeans_active() && one_change)
Bram Moolenaar071d4272004-06-13 20:20:40 +00002300 {
2301 char_u *ptr = ml_get_buf(curbuf, pos.lnum, FALSE);
2302
Bram Moolenaar009b2592004-10-24 19:18:58 +00002303 netbeans_removed(curbuf, pos.lnum, bd.textcol,
2304 (long)bd.textlen);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002305 netbeans_inserted(curbuf, pos.lnum, bd.textcol,
Bram Moolenaarb26e6322010-05-22 21:34:09 +02002306 &ptr[bd.textcol], bd.textlen);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002307 }
2308# endif
2309 }
2310 if (did_change)
2311 changed_lines(oap->start.lnum, 0, oap->end.lnum + 1, 0L);
2312 }
2313 else /* not block mode */
2314#endif
2315 {
2316 if (oap->motion_type == MLINE)
2317 {
2318 oap->start.col = 0;
2319 pos.col = 0;
2320 oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum));
2321 if (oap->end.col)
2322 --oap->end.col;
2323 }
2324 else if (!oap->inclusive)
2325 dec(&(oap->end));
2326
Bram Moolenaare60c58d2008-02-06 13:44:43 +00002327 if (pos.lnum == oap->end.lnum)
2328 did_change = swapchars(oap->op_type, &pos,
2329 oap->end.col - pos.col + 1);
2330 else
2331 for (;;)
2332 {
2333 did_change |= swapchars(oap->op_type, &pos,
2334 pos.lnum == oap->end.lnum ? oap->end.col + 1:
2335 (int)STRLEN(ml_get_pos(&pos)));
2336 if (ltoreq(oap->end, pos) || inc(&pos) == -1)
2337 break;
2338 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00002339 if (did_change)
2340 {
2341 changed_lines(oap->start.lnum, oap->start.col, oap->end.lnum + 1,
2342 0L);
2343#ifdef FEAT_NETBEANS_INTG
Bram Moolenaarb26e6322010-05-22 21:34:09 +02002344 if (netbeans_active() && did_change)
Bram Moolenaar071d4272004-06-13 20:20:40 +00002345 {
2346 char_u *ptr;
2347 int count;
2348
2349 pos = oap->start;
2350 while (pos.lnum < oap->end.lnum)
2351 {
2352 ptr = ml_get_buf(curbuf, pos.lnum, FALSE);
Bram Moolenaara93fa7e2006-04-17 22:14:47 +00002353 count = (int)STRLEN(ptr) - pos.col;
Bram Moolenaar009b2592004-10-24 19:18:58 +00002354 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002355 netbeans_inserted(curbuf, pos.lnum, pos.col,
Bram Moolenaarb26e6322010-05-22 21:34:09 +02002356 &ptr[pos.col], count);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002357 pos.col = 0;
2358 pos.lnum++;
2359 }
2360 ptr = ml_get_buf(curbuf, pos.lnum, FALSE);
2361 count = oap->end.col - pos.col + 1;
Bram Moolenaar009b2592004-10-24 19:18:58 +00002362 netbeans_removed(curbuf, pos.lnum, pos.col, (long)count);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002363 netbeans_inserted(curbuf, pos.lnum, pos.col,
Bram Moolenaarb26e6322010-05-22 21:34:09 +02002364 &ptr[pos.col], count);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002365 }
2366#endif
2367 }
2368 }
2369
2370#ifdef FEAT_VISUAL
2371 if (!did_change && oap->is_VIsual)
2372 /* No change: need to remove the Visual selection */
2373 redraw_curbuf_later(INVERTED);
2374#endif
2375
2376 /*
2377 * Set '[ and '] marks.
2378 */
2379 curbuf->b_op_start = oap->start;
2380 curbuf->b_op_end = oap->end;
2381
2382 if (oap->line_count > p_report)
2383 {
2384 if (oap->line_count == 1)
2385 MSG(_("1 line changed"));
2386 else
2387 smsg((char_u *)_("%ld lines changed"), oap->line_count);
2388 }
2389}
2390
2391/*
Bram Moolenaarb44df0a2008-01-22 15:02:31 +00002392 * Invoke swapchar() on "length" bytes at position "pos".
2393 * "pos" is advanced to just after the changed characters.
2394 * "length" is rounded up to include the whole last multi-byte character.
2395 * Also works correctly when the number of bytes changes.
2396 * Returns TRUE if some character was changed.
2397 */
2398 static int
2399swapchars(op_type, pos, length)
2400 int op_type;
2401 pos_T *pos;
2402 int length;
2403{
2404 int todo;
2405 int did_change = 0;
2406
2407 for (todo = length; todo > 0; --todo)
2408 {
2409# ifdef FEAT_MBYTE
Bram Moolenaarb44df0a2008-01-22 15:02:31 +00002410 if (has_mbyte)
2411 /* we're counting bytes, not characters */
2412 todo -= (*mb_ptr2len)(ml_get_pos(pos)) - 1;
2413# endif
2414 did_change |= swapchar(op_type, pos);
Bram Moolenaarb44df0a2008-01-22 15:02:31 +00002415 if (inc(pos) == -1) /* at end of file */
2416 break;
2417 }
2418 return did_change;
2419}
2420
2421/*
Bram Moolenaar071d4272004-06-13 20:20:40 +00002422 * If op_type == OP_UPPER: make uppercase,
2423 * if op_type == OP_LOWER: make lowercase,
2424 * if op_type == OP_ROT13: do rot13 encoding,
2425 * else swap case of character at 'pos'
2426 * returns TRUE when something actually changed.
2427 */
2428 int
2429swapchar(op_type, pos)
2430 int op_type;
2431 pos_T *pos;
2432{
2433 int c;
2434 int nc;
2435
2436 c = gchar_pos(pos);
2437
2438 /* Only do rot13 encoding for ASCII characters. */
2439 if (c >= 0x80 && op_type == OP_ROT13)
2440 return FALSE;
2441
2442#ifdef FEAT_MBYTE
Bram Moolenaarb44df0a2008-01-22 15:02:31 +00002443 if (op_type == OP_UPPER && c == 0xdf
2444 && (enc_latin1like || STRCMP(p_enc, "iso-8859-2") == 0))
Bram Moolenaar6f16eb82005-08-23 21:02:42 +00002445 {
2446 pos_T sp = curwin->w_cursor;
2447
2448 /* Special handling of German sharp s: change to "SS". */
2449 curwin->w_cursor = *pos;
2450 del_char(FALSE);
2451 ins_char('S');
2452 ins_char('S');
2453 curwin->w_cursor = sp;
2454 inc(pos);
2455 }
2456
Bram Moolenaar071d4272004-06-13 20:20:40 +00002457 if (enc_dbcs != 0 && c >= 0x100) /* No lower/uppercase letter */
2458 return FALSE;
2459#endif
2460 nc = c;
2461 if (MB_ISLOWER(c))
2462 {
2463 if (op_type == OP_ROT13)
2464 nc = ROT13(c, 'a');
2465 else if (op_type != OP_LOWER)
2466 nc = MB_TOUPPER(c);
2467 }
2468 else if (MB_ISUPPER(c))
2469 {
2470 if (op_type == OP_ROT13)
2471 nc = ROT13(c, 'A');
2472 else if (op_type != OP_UPPER)
2473 nc = MB_TOLOWER(c);
2474 }
2475 if (nc != c)
2476 {
2477#ifdef FEAT_MBYTE
2478 if (enc_utf8 && (c >= 0x80 || nc >= 0x80))
2479 {
2480 pos_T sp = curwin->w_cursor;
2481
2482 curwin->w_cursor = *pos;
Bram Moolenaard1cb65e2010-08-01 14:22:48 +02002483 /* don't use del_char(), it also removes composing chars */
2484 del_bytes(utf_ptr2len(ml_get_cursor()), FALSE, FALSE);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002485 ins_char(nc);
2486 curwin->w_cursor = sp;
2487 }
2488 else
2489#endif
2490 pchar(*pos, nc);
2491 return TRUE;
2492 }
2493 return FALSE;
2494}
2495
2496#if defined(FEAT_VISUALEXTRA) || defined(PROTO)
2497/*
2498 * op_insert - Insert and append operators for Visual mode.
2499 */
2500 void
2501op_insert(oap, count1)
2502 oparg_T *oap;
2503 long count1;
2504{
2505 long ins_len, pre_textlen = 0;
2506 char_u *firstline, *ins_text;
2507 struct block_def bd;
2508 int i;
2509
2510 /* edit() changes this - record it for OP_APPEND */
2511 bd.is_MAX = (curwin->w_curswant == MAXCOL);
2512
2513 /* vis block is still marked. Get rid of it now. */
2514 curwin->w_cursor.lnum = oap->start.lnum;
2515 update_screen(INVERTED);
2516
2517 if (oap->block_mode)
2518 {
2519#ifdef FEAT_VIRTUALEDIT
2520 /* When 'virtualedit' is used, need to insert the extra spaces before
2521 * doing block_prep(). When only "block" is used, virtual edit is
2522 * already disabled, but still need it when calling
2523 * coladvance_force(). */
2524 if (curwin->w_cursor.coladd > 0)
2525 {
2526 int old_ve_flags = ve_flags;
2527
2528 ve_flags = VE_ALL;
2529 if (u_save_cursor() == FAIL)
2530 return;
2531 coladvance_force(oap->op_type == OP_APPEND
2532 ? oap->end_vcol + 1 : getviscol());
2533 if (oap->op_type == OP_APPEND)
2534 --curwin->w_cursor.col;
2535 ve_flags = old_ve_flags;
2536 }
2537#endif
2538 /* Get the info about the block before entering the text */
2539 block_prep(oap, &bd, oap->start.lnum, TRUE);
2540 firstline = ml_get(oap->start.lnum) + bd.textcol;
2541 if (oap->op_type == OP_APPEND)
2542 firstline += bd.textlen;
2543 pre_textlen = (long)STRLEN(firstline);
2544 }
2545
2546 if (oap->op_type == OP_APPEND)
2547 {
2548 if (oap->block_mode
2549#ifdef FEAT_VIRTUALEDIT
2550 && curwin->w_cursor.coladd == 0
2551#endif
2552 )
2553 {
2554 /* Move the cursor to the character right of the block. */
2555 curwin->w_set_curswant = TRUE;
2556 while (*ml_get_cursor() != NUL
2557 && (curwin->w_cursor.col < bd.textcol + bd.textlen))
2558 ++curwin->w_cursor.col;
2559 if (bd.is_short && !bd.is_MAX)
2560 {
2561 /* First line was too short, make it longer and adjust the
2562 * values in "bd". */
2563 if (u_save_cursor() == FAIL)
2564 return;
2565 for (i = 0; i < bd.endspaces; ++i)
2566 ins_char(' ');
2567 bd.textlen += bd.endspaces;
2568 }
2569 }
2570 else
2571 {
2572 curwin->w_cursor = oap->end;
Bram Moolenaar6a584dc2006-06-20 18:29:34 +00002573 check_cursor_col();
Bram Moolenaar071d4272004-06-13 20:20:40 +00002574
2575 /* Works just like an 'i'nsert on the next character. */
2576 if (!lineempty(curwin->w_cursor.lnum)
2577 && oap->start_vcol != oap->end_vcol)
2578 inc_cursor();
2579 }
2580 }
2581
2582 edit(NUL, FALSE, (linenr_T)count1);
2583
Bram Moolenaaraacbb002008-01-03 15:34:40 +00002584 /* If user has moved off this line, we don't know what to do, so do
2585 * nothing.
2586 * Also don't repeat the insert when Insert mode ended with CTRL-C. */
2587 if (curwin->w_cursor.lnum != oap->start.lnum || got_int)
Bram Moolenaar071d4272004-06-13 20:20:40 +00002588 return;
2589
2590 if (oap->block_mode)
2591 {
2592 struct block_def bd2;
2593
2594 /*
2595 * Spaces and tabs in the indent may have changed to other spaces and
Bram Moolenaar53241da2007-09-13 20:41:32 +00002596 * tabs. Get the starting column again and correct the length.
Bram Moolenaar071d4272004-06-13 20:20:40 +00002597 * Don't do this when "$" used, end-of-line will have changed.
2598 */
2599 block_prep(oap, &bd2, oap->start.lnum, TRUE);
2600 if (!bd.is_MAX || bd2.textlen < bd.textlen)
2601 {
2602 if (oap->op_type == OP_APPEND)
2603 {
2604 pre_textlen += bd2.textlen - bd.textlen;
2605 if (bd2.endspaces)
2606 --bd2.textlen;
2607 }
2608 bd.textcol = bd2.textcol;
2609 bd.textlen = bd2.textlen;
2610 }
2611
2612 /*
2613 * Subsequent calls to ml_get() flush the firstline data - take a
2614 * copy of the required string.
2615 */
2616 firstline = ml_get(oap->start.lnum) + bd.textcol;
2617 if (oap->op_type == OP_APPEND)
2618 firstline += bd.textlen;
Bram Moolenaar5e4b9e92012-03-23 14:16:23 +01002619 if (pre_textlen >= 0
2620 && (ins_len = (long)STRLEN(firstline) - pre_textlen) > 0)
Bram Moolenaar071d4272004-06-13 20:20:40 +00002621 {
2622 ins_text = vim_strnsave(firstline, (int)ins_len);
2623 if (ins_text != NULL)
2624 {
2625 /* block handled here */
2626 if (u_save(oap->start.lnum,
2627 (linenr_T)(oap->end.lnum + 1)) == OK)
2628 block_insert(oap, ins_text, (oap->op_type == OP_INSERT),
2629 &bd);
2630
2631 curwin->w_cursor.col = oap->start.col;
2632 check_cursor();
2633 vim_free(ins_text);
2634 }
2635 }
2636 }
2637}
2638#endif
2639
2640/*
2641 * op_change - handle a change operation
2642 *
2643 * return TRUE if edit() returns because of a CTRL-O command
2644 */
2645 int
2646op_change(oap)
2647 oparg_T *oap;
2648{
2649 colnr_T l;
2650 int retval;
2651#ifdef FEAT_VISUALEXTRA
2652 long offset;
2653 linenr_T linenr;
Bram Moolenaar53241da2007-09-13 20:41:32 +00002654 long ins_len;
2655 long pre_textlen = 0;
2656 long pre_indent = 0;
Bram Moolenaar071d4272004-06-13 20:20:40 +00002657 char_u *firstline;
2658 char_u *ins_text, *newp, *oldp;
2659 struct block_def bd;
2660#endif
2661
2662 l = oap->start.col;
2663 if (oap->motion_type == MLINE)
2664 {
2665 l = 0;
2666#ifdef FEAT_SMARTINDENT
2667 if (!p_paste && curbuf->b_p_si
2668# ifdef FEAT_CINDENT
2669 && !curbuf->b_p_cin
2670# endif
2671 )
2672 can_si = TRUE; /* It's like opening a new line, do si */
2673#endif
2674 }
2675
2676 /* First delete the text in the region. In an empty buffer only need to
2677 * save for undo */
2678 if (curbuf->b_ml.ml_flags & ML_EMPTY)
2679 {
2680 if (u_save_cursor() == FAIL)
2681 return FALSE;
2682 }
2683 else if (op_delete(oap) == FAIL)
2684 return FALSE;
2685
2686 if ((l > curwin->w_cursor.col) && !lineempty(curwin->w_cursor.lnum)
2687 && !virtual_op)
2688 inc_cursor();
2689
2690#ifdef FEAT_VISUALEXTRA
2691 /* check for still on same line (<CR> in inserted text meaningless) */
2692 /* skip blank lines too */
2693 if (oap->block_mode)
2694 {
2695# ifdef FEAT_VIRTUALEDIT
2696 /* Add spaces before getting the current line length. */
2697 if (virtual_op && (curwin->w_cursor.coladd > 0
2698 || gchar_cursor() == NUL))
2699 coladvance_force(getviscol());
2700# endif
Bram Moolenaar53241da2007-09-13 20:41:32 +00002701 firstline = ml_get(oap->start.lnum);
2702 pre_textlen = (long)STRLEN(firstline);
2703 pre_indent = (long)(skipwhite(firstline) - firstline);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002704 bd.textcol = curwin->w_cursor.col;
2705 }
2706#endif
2707
2708#if defined(FEAT_LISP) || defined(FEAT_CINDENT)
2709 if (oap->motion_type == MLINE)
2710 fix_indent();
2711#endif
2712
2713 retval = edit(NUL, FALSE, (linenr_T)1);
2714
2715#ifdef FEAT_VISUALEXTRA
2716 /*
Bram Moolenaar1cd871b2004-12-19 22:46:22 +00002717 * In Visual block mode, handle copying the new text to all lines of the
Bram Moolenaar071d4272004-06-13 20:20:40 +00002718 * block.
Bram Moolenaaraacbb002008-01-03 15:34:40 +00002719 * Don't repeat the insert when Insert mode ended with CTRL-C.
Bram Moolenaar071d4272004-06-13 20:20:40 +00002720 */
Bram Moolenaaraacbb002008-01-03 15:34:40 +00002721 if (oap->block_mode && oap->start.lnum != oap->end.lnum && !got_int)
Bram Moolenaar071d4272004-06-13 20:20:40 +00002722 {
Bram Moolenaar53241da2007-09-13 20:41:32 +00002723 /* Auto-indenting may have changed the indent. If the cursor was past
2724 * the indent, exclude that indent change from the inserted text. */
Bram Moolenaar071d4272004-06-13 20:20:40 +00002725 firstline = ml_get(oap->start.lnum);
Bram Moolenaarb8dc4d42007-09-25 12:20:19 +00002726 if (bd.textcol > (colnr_T)pre_indent)
Bram Moolenaar071d4272004-06-13 20:20:40 +00002727 {
Bram Moolenaar53241da2007-09-13 20:41:32 +00002728 long new_indent = (long)(skipwhite(firstline) - firstline);
2729
2730 pre_textlen += new_indent - pre_indent;
2731 bd.textcol += new_indent - pre_indent;
2732 }
2733
2734 ins_len = (long)STRLEN(firstline) - pre_textlen;
2735 if (ins_len > 0)
2736 {
2737 /* Subsequent calls to ml_get() flush the firstline data - take a
2738 * copy of the inserted text. */
Bram Moolenaar071d4272004-06-13 20:20:40 +00002739 if ((ins_text = alloc_check((unsigned)(ins_len + 1))) != NULL)
2740 {
Bram Moolenaarce0842a2005-07-18 21:58:11 +00002741 vim_strncpy(ins_text, firstline + bd.textcol, (size_t)ins_len);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002742 for (linenr = oap->start.lnum + 1; linenr <= oap->end.lnum;
2743 linenr++)
2744 {
2745 block_prep(oap, &bd, linenr, TRUE);
2746 if (!bd.is_short || virtual_op)
2747 {
2748# ifdef FEAT_VIRTUALEDIT
2749 pos_T vpos;
2750
2751 /* If the block starts in virtual space, count the
2752 * initial coladd offset as part of "startspaces" */
2753 if (bd.is_short)
2754 {
Bram Moolenaara1381de2009-11-03 15:44:21 +00002755 vpos.lnum = linenr;
Bram Moolenaar071d4272004-06-13 20:20:40 +00002756 (void)getvpos(&vpos, oap->start_vcol);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002757 }
2758 else
2759 vpos.coladd = 0;
2760# endif
2761 oldp = ml_get(linenr);
2762 newp = alloc_check((unsigned)(STRLEN(oldp)
2763# ifdef FEAT_VIRTUALEDIT
2764 + vpos.coladd
2765# endif
2766 + ins_len + 1));
2767 if (newp == NULL)
2768 continue;
2769 /* copy up to block start */
2770 mch_memmove(newp, oldp, (size_t)bd.textcol);
2771 offset = bd.textcol;
2772# ifdef FEAT_VIRTUALEDIT
2773 copy_spaces(newp + offset, (size_t)vpos.coladd);
2774 offset += vpos.coladd;
2775# endif
2776 mch_memmove(newp + offset, ins_text, (size_t)ins_len);
2777 offset += ins_len;
2778 oldp += bd.textcol;
Bram Moolenaarc1a11ed2008-06-24 22:09:24 +00002779 STRMOVE(newp + offset, oldp);
Bram Moolenaar071d4272004-06-13 20:20:40 +00002780 ml_replace(linenr, newp, FALSE);
2781 }
2782 }
2783 check_cursor();
2784
2785 changed_lines(oap->start.lnum + 1, 0, oap->end.lnum + 1, 0L);
2786 }
2787 vim_free(ins_text);
2788 }
2789 }
2790#endif
2791
2792 return retval;
2793}
2794
2795/*
2796 * set all the yank registers to empty (called from main())
2797 */
2798 void
2799init_yank()
2800{
2801 int i;
2802
2803 for (i = 0; i < NUM_REGISTERS; ++i)
2804 y_regs[i].y_array = NULL;
2805}
2806
Bram Moolenaar1ec484f2005-06-24 23:07:47 +00002807#if defined(EXITFREE) || defined(PROTO)
2808 void
2809clear_registers()
2810{
2811 int i;
2812
2813 for (i = 0; i < NUM_REGISTERS; ++i)
2814 {
2815 y_current = &y_regs[i];
2816 if (y_current->y_array != NULL)
2817 free_yank_all();
2818 }
2819}
2820#endif
2821
Bram Moolenaar071d4272004-06-13 20:20:40 +00002822/*
2823 * Free "n" lines from the current yank register.
2824 * Called for normal freeing and in case of error.
2825 */
2826 static void
2827free_yank(n)
2828 long n;
2829{
2830 if (y_current->y_array != NULL)
2831 {
2832 long i;
2833
2834 for (i = n; --i >= 0; )
2835 {
2836#ifdef AMIGA /* only for very slow machines */
2837 if ((i & 1023) == 1023) /* this may take a while */
2838 {
2839 /*
2840 * This message should never cause a hit-return message.
2841 * Overwrite this message with any next message.
2842 */
2843 ++no_wait_return;
2844 smsg((char_u *)_("freeing %ld lines"), i + 1);
2845 --no_wait_return;
2846 msg_didout = FALSE;
2847 msg_col = 0;
2848 }
2849#endif
2850 vim_free(y_current->y_array[i]);
2851 }
2852 vim_free(y_current->y_array);
2853 y_current->y_array = NULL;
2854#ifdef AMIGA
2855 if (n >= 1000)
2856 MSG("");
2857#endif
2858 }
2859}
2860
2861 static void
2862free_yank_all()
2863{
2864 free_yank(y_current->y_size);
2865}
2866
2867/*
2868 * Yank the text between "oap->start" and "oap->end" into a yank register.
2869 * If we are to append (uppercase register), we first yank into a new yank
2870 * register and then concatenate the old and the new one (so we keep the old
2871 * one in case of out-of-memory).
2872 *
2873 * return FAIL for failure, OK otherwise
2874 */
2875 int
2876op_yank(oap, deleting, mess)
2877 oparg_T *oap;
2878 int deleting;
2879 int mess;
2880{
2881 long y_idx; /* index in y_array[] */
2882 struct yankreg *curr; /* copy of y_current */
2883 struct yankreg newreg; /* new yank register when appending */
2884 char_u **new_ptr;
2885 linenr_T lnum; /* current line number */
2886 long j;
2887 int yanktype = oap->motion_type;
2888 long yanklines = oap->line_count;
2889 linenr_T yankendlnum = oap->end.lnum;
2890 char_u *p;
2891 char_u *pnew;
2892 struct block_def bd;
Bram Moolenaar9c52c3a2010-12-08 14:23:15 +01002893#if defined(FEAT_CLIPBOARD) && defined(FEAT_X11)
Bram Moolenaarbf9680e2010-12-02 21:43:16 +01002894 int did_star = FALSE;
Bram Moolenaar9c52c3a2010-12-08 14:23:15 +01002895#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00002896
2897 /* check for read-only register */
2898 if (oap->regname != 0 && !valid_yank_reg(oap->regname, TRUE))
2899 {
2900 beep_flush();
2901 return FAIL;
2902 }
2903 if (oap->regname == '_') /* black hole: nothing to do */
2904 return OK;
2905
2906#ifdef FEAT_CLIPBOARD
2907 if (!clip_star.available && oap->regname == '*')
2908 oap->regname = 0;
2909 else if (!clip_plus.available && oap->regname == '+')
2910 oap->regname = 0;
2911#endif
2912
2913 if (!deleting) /* op_delete() already set y_current */
2914 get_yank_register(oap->regname, TRUE);
2915
2916 curr = y_current;
2917 /* append to existing contents */
2918 if (y_append && y_current->y_array != NULL)
2919 y_current = &newreg;
2920 else
2921 free_yank_all(); /* free previously yanked lines */
2922
Bram Moolenaar2c7a29c2005-12-12 22:02:31 +00002923 /*
2924 * If the cursor was in column 1 before and after the movement, and the
2925 * operator is not inclusive, the yank is always linewise.
2926 */
Bram Moolenaar071d4272004-06-13 20:20:40 +00002927 if ( oap->motion_type == MCHAR
2928 && oap->start.col == 0
2929 && !oap->inclusive
2930#ifdef FEAT_VISUAL
2931 && (!oap->is_VIsual || *p_sel == 'o')
Bram Moolenaarec2dad62005-01-02 11:36:03 +00002932 && !oap->block_mode
Bram Moolenaar071d4272004-06-13 20:20:40 +00002933#endif
2934 && oap->end.col == 0
2935 && yanklines > 1)
2936 {
2937 yanktype = MLINE;
2938 --yankendlnum;
2939 --yanklines;
2940 }
2941
2942 y_current->y_size = yanklines;
2943 y_current->y_type = yanktype; /* set the yank register type */
2944#ifdef FEAT_VISUAL
2945 y_current->y_width = 0;
2946#endif
2947 y_current->y_array = (char_u **)lalloc_clear((long_u)(sizeof(char_u *) *
2948 yanklines), TRUE);
2949
2950 if (y_current->y_array == NULL)
2951 {
2952 y_current = curr;
2953 return FAIL;
2954 }
2955
2956 y_idx = 0;
2957 lnum = oap->start.lnum;
2958
2959#ifdef FEAT_VISUAL
2960 if (oap->block_mode)
2961 {
2962 /* Visual block mode */
2963 y_current->y_type = MBLOCK; /* set the yank register type */
2964 y_current->y_width = oap->end_vcol - oap->start_vcol;
2965
2966 if (curwin->w_curswant == MAXCOL && y_current->y_width > 0)
2967 y_current->y_width--;
2968 }
2969#endif
2970
2971 for ( ; lnum <= yankendlnum; lnum++, y_idx++)
2972 {
2973 switch (y_current->y_type)
2974 {
2975#ifdef FEAT_VISUAL
2976 case MBLOCK:
2977 block_prep(oap, &bd, lnum, FALSE);
2978 if (yank_copy_line(&bd, y_idx) == FAIL)
2979 goto fail;
2980 break;
2981#endif
2982
2983 case MLINE:
2984 if ((y_current->y_array[y_idx] =
2985 vim_strsave(ml_get(lnum))) == NULL)
2986 goto fail;
2987 break;
2988
2989 case MCHAR:
2990 {
2991 colnr_T startcol = 0, endcol = MAXCOL;
2992#ifdef FEAT_VIRTUALEDIT
2993 int is_oneChar = FALSE;
2994 colnr_T cs, ce;
2995#endif
2996 p = ml_get(lnum);
2997 bd.startspaces = 0;
2998 bd.endspaces = 0;
2999
3000 if (lnum == oap->start.lnum)
3001 {
3002 startcol = oap->start.col;
3003#ifdef FEAT_VIRTUALEDIT
3004 if (virtual_op)
3005 {
3006 getvcol(curwin, &oap->start, &cs, NULL, &ce);
3007 if (ce != cs && oap->start.coladd > 0)
3008 {
3009 /* Part of a tab selected -- but don't
3010 * double-count it. */
3011 bd.startspaces = (ce - cs + 1)
3012 - oap->start.coladd;
3013 startcol++;
3014 }
3015 }
3016#endif
3017 }
3018
3019 if (lnum == oap->end.lnum)
3020 {
3021 endcol = oap->end.col;
3022#ifdef FEAT_VIRTUALEDIT
3023 if (virtual_op)
3024 {
3025 getvcol(curwin, &oap->end, &cs, NULL, &ce);
3026 if (p[endcol] == NUL || (cs + oap->end.coladd < ce
3027# ifdef FEAT_MBYTE
3028 /* Don't add space for double-wide
3029 * char; endcol will be on last byte
3030 * of multi-byte char. */
3031 && (*mb_head_off)(p, p + endcol) == 0
3032# endif
3033 ))
3034 {
3035 if (oap->start.lnum == oap->end.lnum
3036 && oap->start.col == oap->end.col)
3037 {
3038 /* Special case: inside a single char */
3039 is_oneChar = TRUE;
3040 bd.startspaces = oap->end.coladd
3041 - oap->start.coladd + oap->inclusive;
3042 endcol = startcol;
3043 }
3044 else
3045 {
3046 bd.endspaces = oap->end.coladd
3047 + oap->inclusive;
3048 endcol -= oap->inclusive;
3049 }
3050 }
3051 }
3052#endif
3053 }
Bram Moolenaar18e00d22012-05-18 12:49:40 +02003054 if (endcol == MAXCOL)
3055 endcol = (colnr_T)STRLEN(p);
Bram Moolenaar071d4272004-06-13 20:20:40 +00003056 if (startcol > endcol
3057#ifdef FEAT_VIRTUALEDIT
3058 || is_oneChar
3059#endif
3060 )
3061 bd.textlen = 0;
3062 else
3063 {
Bram Moolenaar071d4272004-06-13 20:20:40 +00003064 bd.textlen = endcol - startcol + oap->inclusive;
3065 }
3066 bd.textstart = p + startcol;
3067 if (yank_copy_line(&bd, y_idx) == FAIL)
3068 goto fail;
3069 break;
3070 }
3071 /* NOTREACHED */
3072 }
3073 }
3074
3075 if (curr != y_current) /* append the new block to the old block */
3076 {
3077 new_ptr = (char_u **)lalloc((long_u)(sizeof(char_u *) *
3078 (curr->y_size + y_current->y_size)), TRUE);
3079 if (new_ptr == NULL)
3080 goto fail;
3081 for (j = 0; j < curr->y_size; ++j)
3082 new_ptr[j] = curr->y_array[j];
3083 vim_free(curr->y_array);
3084 curr->y_array = new_ptr;
3085
3086 if (yanktype == MLINE) /* MLINE overrides MCHAR and MBLOCK */
3087 curr->y_type = MLINE;
3088
Bram Moolenaar4399ef42005-02-12 14:29:27 +00003089 /* Concatenate the last line of the old block with the first line of
3090 * the new block, unless being Vi compatible. */
3091 if (curr->y_type == MCHAR && vim_strchr(p_cpo, CPO_REGAPPEND) == NULL)
Bram Moolenaar071d4272004-06-13 20:20:40 +00003092 {
3093 pnew = lalloc((long_u)(STRLEN(curr->y_array[curr->y_size - 1])
3094 + STRLEN(y_current->y_array[0]) + 1), TRUE);
3095 if (pnew == NULL)
3096 {
3097 y_idx = y_current->y_size - 1;
3098 goto fail;
3099 }
3100 STRCPY(pnew, curr->y_array[--j]);
3101 STRCAT(pnew, y_current->y_array[0]);
3102 vim_free(curr->y_array[j]);
3103 vim_free(y_current->y_array[0]);
3104 curr->y_array[j++] = pnew;
3105 y_idx = 1;
3106 }
3107 else
3108 y_idx = 0;
3109 while (y_idx < y_current->y_size)
3110 curr->y_array[j++] = y_current->y_array[y_idx++];
3111 curr->y_size = j;
3112 vim_free(y_current->y_array);
3113 y_current = curr;
3114 }
3115 if (mess) /* Display message about yank? */
3116 {
3117 if (yanktype == MCHAR
3118#ifdef FEAT_VISUAL
3119 && !oap->block_mode
3120#endif
3121 && yanklines == 1)
3122 yanklines = 0;
3123 /* Some versions of Vi use ">=" here, some don't... */
3124 if (yanklines > p_report)
3125 {
3126 /* redisplay now, so message is not deleted */
3127 update_topline_redraw();
3128 if (yanklines == 1)
Bram Moolenaare2cc9702005-03-15 22:43:58 +00003129 {
3130#ifdef FEAT_VISUAL
3131 if (oap->block_mode)
3132 MSG(_("block of 1 line yanked"));
3133 else
3134#endif
3135 MSG(_("1 line yanked"));
3136 }
3137#ifdef FEAT_VISUAL
3138 else if (oap->block_mode)
3139 smsg((char_u *)_("block of %ld lines yanked"), yanklines);
3140#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00003141 else
3142 smsg((char_u *)_("%ld lines yanked"), yanklines);
3143 }
3144 }
3145
3146 /*
3147 * Set "'[" and "']" marks.
3148 */
3149 curbuf->b_op_start = oap->start;
3150 curbuf->b_op_end = oap->end;
Bram Moolenaar293ee4d2004-12-09 21:34:53 +00003151 if (yanktype == MLINE
3152#ifdef FEAT_VISUAL
3153 && !oap->block_mode
3154#endif
3155 )
3156 {
3157 curbuf->b_op_start.col = 0;
3158 curbuf->b_op_end.col = MAXCOL;
3159 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00003160
3161#ifdef FEAT_CLIPBOARD
3162 /*
3163 * If we were yanking to the '*' register, send result to clipboard.
3164 * If no register was specified, and "unnamed" in 'clipboard', make a copy
3165 * to the '*' register.
3166 */
3167 if (clip_star.available
3168 && (curr == &(y_regs[STAR_REGISTER])
Bram Moolenaarbf9680e2010-12-02 21:43:16 +01003169 || (!deleting && oap->regname == 0
3170 && (clip_unnamed & CLIP_UNNAMED))))
Bram Moolenaar071d4272004-06-13 20:20:40 +00003171 {
3172 if (curr != &(y_regs[STAR_REGISTER]))
3173 /* Copy the text from register 0 to the clipboard register. */
3174 copy_yank_reg(&(y_regs[STAR_REGISTER]));
3175
3176 clip_own_selection(&clip_star);
3177 clip_gen_set_selection(&clip_star);
Bram Moolenaar9c52c3a2010-12-08 14:23:15 +01003178# ifdef FEAT_X11
Bram Moolenaarbf9680e2010-12-02 21:43:16 +01003179 did_star = TRUE;
Bram Moolenaar9c52c3a2010-12-08 14:23:15 +01003180# endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00003181 }
3182
3183# ifdef FEAT_X11
3184 /*
3185 * If we were yanking to the '+' register, send result to selection.
3186 * Also copy to the '*' register, in case auto-select is off.
3187 */
Bram Moolenaarbf9680e2010-12-02 21:43:16 +01003188 if (clip_plus.available
3189 && (curr == &(y_regs[PLUS_REGISTER])
3190 || (!deleting && oap->regname == 0
3191 && (clip_unnamed & CLIP_UNNAMED_PLUS))))
Bram Moolenaar071d4272004-06-13 20:20:40 +00003192 {
Bram Moolenaarbf9680e2010-12-02 21:43:16 +01003193 if (curr != &(y_regs[PLUS_REGISTER]))
3194 /* Copy the text from register 0 to the clipboard register. */
3195 copy_yank_reg(&(y_regs[PLUS_REGISTER]));
3196
Bram Moolenaar071d4272004-06-13 20:20:40 +00003197 clip_own_selection(&clip_plus);
3198 clip_gen_set_selection(&clip_plus);
Bram Moolenaarc0885aa2012-07-10 16:49:23 +02003199 if (!clip_isautosel_star() && !did_star
3200 && curr == &(y_regs[PLUS_REGISTER]))
Bram Moolenaar071d4272004-06-13 20:20:40 +00003201 {
3202 copy_yank_reg(&(y_regs[STAR_REGISTER]));
3203 clip_own_selection(&clip_star);
3204 clip_gen_set_selection(&clip_star);
3205 }
3206 }
3207# endif
3208#endif
3209
3210 return OK;
3211
3212fail: /* free the allocated lines */
3213 free_yank(y_idx + 1);
3214 y_current = curr;
3215 return FAIL;
3216}
3217
3218 static int
3219yank_copy_line(bd, y_idx)
3220 struct block_def *bd;
3221 long y_idx;
3222{
3223 char_u *pnew;
3224
3225 if ((pnew = alloc(bd->startspaces + bd->endspaces + bd->textlen + 1))
3226 == NULL)
3227 return FAIL;
3228 y_current->y_array[y_idx] = pnew;
3229 copy_spaces(pnew, (size_t)bd->startspaces);
3230 pnew += bd->startspaces;
3231 mch_memmove(pnew, bd->textstart, (size_t)bd->textlen);
3232 pnew += bd->textlen;
3233 copy_spaces(pnew, (size_t)bd->endspaces);
3234 pnew += bd->endspaces;
3235 *pnew = NUL;
3236 return OK;
3237}
3238
3239#ifdef FEAT_CLIPBOARD
3240/*
3241 * Make a copy of the y_current register to register "reg".
3242 */
3243 static void
3244copy_yank_reg(reg)
3245 struct yankreg *reg;
3246{
3247 struct yankreg *curr = y_current;
3248 long j;
3249
3250 y_current = reg;
3251 free_yank_all();
3252 *y_current = *curr;
3253 y_current->y_array = (char_u **)lalloc_clear(
3254 (long_u)(sizeof(char_u *) * y_current->y_size), TRUE);
3255 if (y_current->y_array == NULL)
3256 y_current->y_size = 0;
3257 else
3258 for (j = 0; j < y_current->y_size; ++j)
3259 if ((y_current->y_array[j] = vim_strsave(curr->y_array[j])) == NULL)
3260 {
3261 free_yank(j);
3262 y_current->y_size = 0;
3263 break;
3264 }
3265 y_current = curr;
3266}
3267#endif
3268
3269/*
Bram Moolenaar677ee682005-01-27 14:41:15 +00003270 * Put contents of register "regname" into the text.
3271 * Caller must check "regname" to be valid!
3272 * "flags": PUT_FIXINDENT make indent look nice
3273 * PUT_CURSEND leave cursor after end of new text
3274 * PUT_LINE force linewise put (":put")
Bram Moolenaar071d4272004-06-13 20:20:40 +00003275 */
3276 void
3277do_put(regname, dir, count, flags)
3278 int regname;
3279 int dir; /* BACKWARD for 'P', FORWARD for 'p' */
3280 long count;
3281 int flags;
3282{
3283 char_u *ptr;
3284 char_u *newp, *oldp;
3285 int yanklen;
3286 int totlen = 0; /* init for gcc */
3287 linenr_T lnum;
3288 colnr_T col;
3289 long i; /* index in y_array[] */
3290 int y_type;
3291 long y_size;
3292#ifdef FEAT_VISUAL
3293 int oldlen;
3294 long y_width = 0;
3295 colnr_T vcol;
3296 int delcount;
3297 int incr = 0;
3298 long j;
3299 struct block_def bd;
3300#endif
3301 char_u **y_array = NULL;
3302 long nr_lines = 0;
3303 pos_T new_cursor;
3304 int indent;
3305 int orig_indent = 0; /* init for gcc */
3306 int indent_diff = 0; /* init for gcc */
3307 int first_indent = TRUE;
3308 int lendiff = 0;
3309 pos_T old_pos;
3310 char_u *insert_string = NULL;
3311 int allocated = FALSE;
3312 long cnt;
3313
3314#ifdef FEAT_CLIPBOARD
3315 /* Adjust register name for "unnamed" in 'clipboard'. */
3316 adjust_clip_reg(&regname);
3317 (void)may_get_selection(regname);
3318#endif
3319
3320 if (flags & PUT_FIXINDENT)
3321 orig_indent = get_indent();
3322
3323 curbuf->b_op_start = curwin->w_cursor; /* default for '[ mark */
3324 curbuf->b_op_end = curwin->w_cursor; /* default for '] mark */
3325
3326 /*
3327 * Using inserted text works differently, because the register includes
3328 * special characters (newlines, etc.).
3329 */
3330 if (regname == '.')
3331 {
3332 (void)stuff_inserted((dir == FORWARD ? (count == -1 ? 'o' : 'a') :
3333 (count == -1 ? 'O' : 'i')), count, FALSE);
3334 /* Putting the text is done later, so can't really move the cursor to
3335 * the next character. Use "l" to simulate it. */
3336 if ((flags & PUT_CURSEND) && gchar_cursor() != NUL)
3337 stuffcharReadbuff('l');
3338 return;
3339 }
3340
3341 /*
3342 * For special registers '%' (file name), '#' (alternate file name) and
3343 * ':' (last command line), etc. we have to create a fake yank register.
3344 */
3345 if (get_spec_reg(regname, &insert_string, &allocated, TRUE))
3346 {
3347 if (insert_string == NULL)
3348 return;
3349 }
3350
3351 if (insert_string != NULL)
3352 {
3353 y_type = MCHAR;
3354#ifdef FEAT_EVAL
3355 if (regname == '=')
3356 {
3357 /* For the = register we need to split the string at NL
Bram Moolenaara554a192011-09-21 17:33:53 +02003358 * characters.
3359 * Loop twice: count the number of lines and save them. */
Bram Moolenaar071d4272004-06-13 20:20:40 +00003360 for (;;)
3361 {
3362 y_size = 0;
3363 ptr = insert_string;
3364 while (ptr != NULL)
3365 {
3366 if (y_array != NULL)
3367 y_array[y_size] = ptr;
3368 ++y_size;
3369 ptr = vim_strchr(ptr, '\n');
3370 if (ptr != NULL)
3371 {
3372 if (y_array != NULL)
3373 *ptr = NUL;
3374 ++ptr;
Bram Moolenaara554a192011-09-21 17:33:53 +02003375 /* A trailing '\n' makes the register linewise. */
Bram Moolenaar071d4272004-06-13 20:20:40 +00003376 if (*ptr == NUL)
3377 {
3378 y_type = MLINE;
3379 break;
3380 }
3381 }
3382 }
3383 if (y_array != NULL)
3384 break;
3385 y_array = (char_u **)alloc((unsigned)
3386 (y_size * sizeof(char_u *)));
3387 if (y_array == NULL)
3388 goto end;
3389 }
3390 }
3391 else
3392#endif
3393 {
3394 y_size = 1; /* use fake one-line yank register */
3395 y_array = &insert_string;
3396 }
3397 }
3398 else
3399 {
3400 get_yank_register(regname, FALSE);
3401
3402 y_type = y_current->y_type;
3403#ifdef FEAT_VISUAL
3404 y_width = y_current->y_width;
3405#endif
3406 y_size = y_current->y_size;
3407 y_array = y_current->y_array;
3408 }
3409
3410#ifdef FEAT_VISUAL
3411 if (y_type == MLINE)
3412 {
3413 if (flags & PUT_LINE_SPLIT)
3414 {
3415 /* "p" or "P" in Visual mode: split the lines to put the text in
3416 * between. */
3417 if (u_save_cursor() == FAIL)
3418 goto end;
3419 ptr = vim_strsave(ml_get_cursor());
3420 if (ptr == NULL)
3421 goto end;
3422 ml_append(curwin->w_cursor.lnum, ptr, (colnr_T)0, FALSE);
3423 vim_free(ptr);
3424
3425 ptr = vim_strnsave(ml_get_curline(), curwin->w_cursor.col);
3426 if (ptr == NULL)
3427 goto end;
3428 ml_replace(curwin->w_cursor.lnum, ptr, FALSE);
3429 ++nr_lines;
3430 dir = FORWARD;
3431 }
3432 if (flags & PUT_LINE_FORWARD)
3433 {
3434 /* Must be "p" for a Visual block, put lines below the block. */
Bram Moolenaara23ccb82006-02-27 00:08:02 +00003435 curwin->w_cursor = curbuf->b_visual.vi_end;
Bram Moolenaar071d4272004-06-13 20:20:40 +00003436 dir = FORWARD;
3437 }
3438 curbuf->b_op_start = curwin->w_cursor; /* default for '[ mark */
3439 curbuf->b_op_end = curwin->w_cursor; /* default for '] mark */
3440 }
3441#endif
3442
3443 if (flags & PUT_LINE) /* :put command or "p" in Visual line mode. */
3444 y_type = MLINE;
3445
3446 if (y_size == 0 || y_array == NULL)
3447 {
3448 EMSG2(_("E353: Nothing in register %s"),
3449 regname == 0 ? (char_u *)"\"" : transchar(regname));
3450 goto end;
3451 }
3452
3453#ifdef FEAT_VISUAL
3454 if (y_type == MBLOCK)
3455 {
3456 lnum = curwin->w_cursor.lnum + y_size + 1;
3457 if (lnum > curbuf->b_ml.ml_line_count)
3458 lnum = curbuf->b_ml.ml_line_count + 1;
3459 if (u_save(curwin->w_cursor.lnum - 1, lnum) == FAIL)
3460 goto end;
3461 }
3462 else
3463#endif
3464 if (y_type == MLINE)
3465 {
3466 lnum = curwin->w_cursor.lnum;
3467#ifdef FEAT_FOLDING
3468 /* Correct line number for closed fold. Don't move the cursor yet,
3469 * u_save() uses it. */
3470 if (dir == BACKWARD)
3471 (void)hasFolding(lnum, &lnum, NULL);
3472 else
3473 (void)hasFolding(lnum, NULL, &lnum);
3474#endif
3475 if (dir == FORWARD)
3476 ++lnum;
3477 if (u_save(lnum - 1, lnum) == FAIL)
3478 goto end;
3479#ifdef FEAT_FOLDING
3480 if (dir == FORWARD)
3481 curwin->w_cursor.lnum = lnum - 1;
3482 else
3483 curwin->w_cursor.lnum = lnum;
3484 curbuf->b_op_start = curwin->w_cursor; /* for mark_adjust() */
3485#endif
3486 }
3487 else if (u_save_cursor() == FAIL)
3488 goto end;
3489
3490 yanklen = (int)STRLEN(y_array[0]);
3491
3492#ifdef FEAT_VIRTUALEDIT
3493 if (ve_flags == VE_ALL && y_type == MCHAR)
3494 {
3495 if (gchar_cursor() == TAB)
3496 {
3497 /* Don't need to insert spaces when "p" on the last position of a
3498 * tab or "P" on the first position. */
3499 if (dir == FORWARD
3500 ? (int)curwin->w_cursor.coladd < curbuf->b_p_ts - 1
3501 : curwin->w_cursor.coladd > 0)
3502 coladvance_force(getviscol());
3503 else
3504 curwin->w_cursor.coladd = 0;
3505 }
3506 else if (curwin->w_cursor.coladd > 0 || gchar_cursor() == NUL)
3507 coladvance_force(getviscol() + (dir == FORWARD));
3508 }
3509#endif
3510
3511 lnum = curwin->w_cursor.lnum;
3512 col = curwin->w_cursor.col;
3513
3514#ifdef FEAT_VISUAL
3515 /*
3516 * Block mode
3517 */
3518 if (y_type == MBLOCK)
3519 {
3520 char c = gchar_cursor();
3521 colnr_T endcol2 = 0;
3522
3523 if (dir == FORWARD && c != NUL)
3524 {
3525#ifdef FEAT_VIRTUALEDIT
3526 if (ve_flags == VE_ALL)
3527 getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2);
3528 else
3529#endif
3530 getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col);
3531
3532#ifdef FEAT_MBYTE
3533 if (has_mbyte)
3534 /* move to start of next multi-byte character */
Bram Moolenaar0fa313a2005-08-10 21:07:57 +00003535 curwin->w_cursor.col += (*mb_ptr2len)(ml_get_cursor());
Bram Moolenaar071d4272004-06-13 20:20:40 +00003536 else
3537#endif
3538#ifdef FEAT_VIRTUALEDIT
3539 if (c != TAB || ve_flags != VE_ALL)
3540#endif
3541 ++curwin->w_cursor.col;
3542 ++col;
3543 }
3544 else
3545 getvcol(curwin, &curwin->w_cursor, &col, NULL, &endcol2);
3546
3547#ifdef FEAT_VIRTUALEDIT
3548 col += curwin->w_cursor.coladd;
Bram Moolenaare649ef02007-06-28 20:18:51 +00003549 if (ve_flags == VE_ALL
3550 && (curwin->w_cursor.coladd > 0
3551 || endcol2 == curwin->w_cursor.col))
Bram Moolenaar071d4272004-06-13 20:20:40 +00003552 {
3553 if (dir == FORWARD && c == NUL)
3554 ++col;
3555 if (dir != FORWARD && c != NUL)
3556 ++curwin->w_cursor.col;
3557 if (c == TAB)
3558 {
3559 if (dir == BACKWARD && curwin->w_cursor.col)
3560 curwin->w_cursor.col--;
3561 if (dir == FORWARD && col - 1 == endcol2)
3562 curwin->w_cursor.col++;
3563 }
3564 }
3565 curwin->w_cursor.coladd = 0;
3566#endif
Bram Moolenaarfd2ac762006-03-01 22:09:21 +00003567 bd.textcol = 0;
Bram Moolenaar071d4272004-06-13 20:20:40 +00003568 for (i = 0; i < y_size; ++i)
3569 {
3570 int spaces;
3571 char shortline;
3572
3573 bd.startspaces = 0;
3574 bd.endspaces = 0;
Bram Moolenaar071d4272004-06-13 20:20:40 +00003575 vcol = 0;
3576 delcount = 0;
3577
3578 /* add a new line */
3579 if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count)
3580 {
3581 if (ml_append(curbuf->b_ml.ml_line_count, (char_u *)"",
3582 (colnr_T)1, FALSE) == FAIL)
3583 break;
3584 ++nr_lines;
3585 }
3586 /* get the old line and advance to the position to insert at */
3587 oldp = ml_get_curline();
3588 oldlen = (int)STRLEN(oldp);
3589 for (ptr = oldp; vcol < col && *ptr; )
3590 {
3591 /* Count a tab for what it's worth (if list mode not on) */
3592 incr = lbr_chartabsize_adv(&ptr, (colnr_T)vcol);
3593 vcol += incr;
3594 }
3595 bd.textcol = (colnr_T)(ptr - oldp);
3596
3597 shortline = (vcol < col) || (vcol == col && !*ptr) ;
3598
3599 if (vcol < col) /* line too short, padd with spaces */
3600 bd.startspaces = col - vcol;
3601 else if (vcol > col)
3602 {
3603 bd.endspaces = vcol - col;
3604 bd.startspaces = incr - bd.endspaces;
3605 --bd.textcol;
3606 delcount = 1;
3607#ifdef FEAT_MBYTE
3608 if (has_mbyte)
3609 bd.textcol -= (*mb_head_off)(oldp, oldp + bd.textcol);
3610#endif
3611 if (oldp[bd.textcol] != TAB)
3612 {
3613 /* Only a Tab can be split into spaces. Other
3614 * characters will have to be moved to after the
3615 * block, causing misalignment. */
3616 delcount = 0;
3617 bd.endspaces = 0;
3618 }
3619 }
3620
3621 yanklen = (int)STRLEN(y_array[i]);
3622
3623 /* calculate number of spaces required to fill right side of block*/
3624 spaces = y_width + 1;
3625 for (j = 0; j < yanklen; j++)
3626 spaces -= lbr_chartabsize(&y_array[i][j], 0);
3627 if (spaces < 0)
3628 spaces = 0;
3629
3630 /* insert the new text */
3631 totlen = count * (yanklen + spaces) + bd.startspaces + bd.endspaces;
3632 newp = alloc_check((unsigned)totlen + oldlen + 1);
3633 if (newp == NULL)
3634 break;
3635 /* copy part up to cursor to new line */
3636 ptr = newp;
3637 mch_memmove(ptr, oldp, (size_t)bd.textcol);
3638 ptr += bd.textcol;
3639 /* may insert some spaces before the new text */
3640 copy_spaces(ptr, (size_t)bd.startspaces);
3641 ptr += bd.startspaces;
3642 /* insert the new text */
3643 for (j = 0; j < count; ++j)
3644 {
3645 mch_memmove(ptr, y_array[i], (size_t)yanklen);
3646 ptr += yanklen;
3647
3648 /* insert block's trailing spaces only if there's text behind */
3649 if ((j < count - 1 || !shortline) && spaces)
3650 {
3651 copy_spaces(ptr, (size_t)spaces);
3652 ptr += spaces;
3653 }
3654 }
3655 /* may insert some spaces after the new text */
3656 copy_spaces(ptr, (size_t)bd.endspaces);
3657 ptr += bd.endspaces;
3658 /* move the text after the cursor to the end of the line. */
3659 mch_memmove(ptr, oldp + bd.textcol + delcount,
3660 (size_t)(oldlen - bd.textcol - delcount + 1));
3661 ml_replace(curwin->w_cursor.lnum, newp, FALSE);
3662
3663 ++curwin->w_cursor.lnum;
3664 if (i == 0)
3665 curwin->w_cursor.col += bd.startspaces;
3666 }
3667
3668 changed_lines(lnum, 0, curwin->w_cursor.lnum, nr_lines);
3669
3670 /* Set '[ mark. */
3671 curbuf->b_op_start = curwin->w_cursor;
3672 curbuf->b_op_start.lnum = lnum;
3673
3674 /* adjust '] mark */
3675 curbuf->b_op_end.lnum = curwin->w_cursor.lnum - 1;
3676 curbuf->b_op_end.col = bd.textcol + totlen - 1;
Bram Moolenaar13fcaaf2005-04-15 21:13:42 +00003677# ifdef FEAT_VIRTUALEDIT
Bram Moolenaar071d4272004-06-13 20:20:40 +00003678 curbuf->b_op_end.coladd = 0;
Bram Moolenaar13fcaaf2005-04-15 21:13:42 +00003679# endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00003680 if (flags & PUT_CURSEND)
3681 {
Bram Moolenaar12dec752006-07-23 20:37:09 +00003682 colnr_T len;
3683
Bram Moolenaar071d4272004-06-13 20:20:40 +00003684 curwin->w_cursor = curbuf->b_op_end;
3685 curwin->w_cursor.col++;
Bram Moolenaar12dec752006-07-23 20:37:09 +00003686
3687 /* in Insert mode we might be after the NUL, correct for that */
3688 len = (colnr_T)STRLEN(ml_get_curline());
3689 if (curwin->w_cursor.col > len)
3690 curwin->w_cursor.col = len;
Bram Moolenaar071d4272004-06-13 20:20:40 +00003691 }
3692 else
3693 curwin->w_cursor.lnum = lnum;
3694 }
3695 else
3696#endif
3697 {
3698 /*
3699 * Character or Line mode
3700 */
3701 if (y_type == MCHAR)
3702 {
3703 /* if type is MCHAR, FORWARD is the same as BACKWARD on the next
3704 * char */
3705 if (dir == FORWARD && gchar_cursor() != NUL)
3706 {
3707#ifdef FEAT_MBYTE
3708 if (has_mbyte)
3709 {
Bram Moolenaar0fa313a2005-08-10 21:07:57 +00003710 int bytelen = (*mb_ptr2len)(ml_get_cursor());
Bram Moolenaar071d4272004-06-13 20:20:40 +00003711
3712 /* put it on the next of the multi-byte character. */
3713 col += bytelen;
3714 if (yanklen)
3715 {
3716 curwin->w_cursor.col += bytelen;
3717 curbuf->b_op_end.col += bytelen;
3718 }
3719 }
3720 else
3721#endif
3722 {
3723 ++col;
3724 if (yanklen)
3725 {
3726 ++curwin->w_cursor.col;
3727 ++curbuf->b_op_end.col;
3728 }
3729 }
3730 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00003731 curbuf->b_op_start = curwin->w_cursor;
3732 }
3733 /*
3734 * Line mode: BACKWARD is the same as FORWARD on the previous line
3735 */
3736 else if (dir == BACKWARD)
3737 --lnum;
Bram Moolenaarfd2ac762006-03-01 22:09:21 +00003738 new_cursor = curwin->w_cursor;
Bram Moolenaar071d4272004-06-13 20:20:40 +00003739
3740 /*
3741 * simple case: insert into current line
3742 */
3743 if (y_type == MCHAR && y_size == 1)
3744 {
3745 totlen = count * yanklen;
3746 if (totlen)
3747 {
3748 oldp = ml_get(lnum);
3749 newp = alloc_check((unsigned)(STRLEN(oldp) + totlen + 1));
3750 if (newp == NULL)
3751 goto end; /* alloc() will give error message */
3752 mch_memmove(newp, oldp, (size_t)col);
3753 ptr = newp + col;
3754 for (i = 0; i < count; ++i)
3755 {
3756 mch_memmove(ptr, y_array[0], (size_t)yanklen);
3757 ptr += yanklen;
3758 }
Bram Moolenaarc1a11ed2008-06-24 22:09:24 +00003759 STRMOVE(ptr, oldp + col);
Bram Moolenaar071d4272004-06-13 20:20:40 +00003760 ml_replace(lnum, newp, FALSE);
3761 /* Put cursor on last putted char. */
3762 curwin->w_cursor.col += (colnr_T)(totlen - 1);
3763 }
3764 curbuf->b_op_end = curwin->w_cursor;
3765 /* For "CTRL-O p" in Insert mode, put cursor after last char */
3766 if (totlen && (restart_edit != 0 || (flags & PUT_CURSEND)))
3767 ++curwin->w_cursor.col;
3768 changed_bytes(lnum, col);
3769 }
3770 else
3771 {
3772 /*
3773 * Insert at least one line. When y_type is MCHAR, break the first
3774 * line in two.
3775 */
3776 for (cnt = 1; cnt <= count; ++cnt)
3777 {
3778 i = 0;
3779 if (y_type == MCHAR)
3780 {
3781 /*
3782 * Split the current line in two at the insert position.
3783 * First insert y_array[size - 1] in front of second line.
3784 * Then append y_array[0] to first line.
3785 */
3786 lnum = new_cursor.lnum;
3787 ptr = ml_get(lnum) + col;
3788 totlen = (int)STRLEN(y_array[y_size - 1]);
3789 newp = alloc_check((unsigned)(STRLEN(ptr) + totlen + 1));
3790 if (newp == NULL)
3791 goto error;
3792 STRCPY(newp, y_array[y_size - 1]);
3793 STRCAT(newp, ptr);
3794 /* insert second line */
3795 ml_append(lnum, newp, (colnr_T)0, FALSE);
3796 vim_free(newp);
3797
3798 oldp = ml_get(lnum);
3799 newp = alloc_check((unsigned)(col + yanklen + 1));
3800 if (newp == NULL)
3801 goto error;
3802 /* copy first part of line */
3803 mch_memmove(newp, oldp, (size_t)col);
3804 /* append to first line */
3805 mch_memmove(newp + col, y_array[0], (size_t)(yanklen + 1));
3806 ml_replace(lnum, newp, FALSE);
3807
3808 curwin->w_cursor.lnum = lnum;
3809 i = 1;
3810 }
3811
3812 for (; i < y_size; ++i)
3813 {
3814 if ((y_type != MCHAR || i < y_size - 1)
3815 && ml_append(lnum, y_array[i], (colnr_T)0, FALSE)
3816 == FAIL)
3817 goto error;
3818 lnum++;
3819 ++nr_lines;
3820 if (flags & PUT_FIXINDENT)
3821 {
3822 old_pos = curwin->w_cursor;
3823 curwin->w_cursor.lnum = lnum;
3824 ptr = ml_get(lnum);
3825 if (cnt == count && i == y_size - 1)
3826 lendiff = (int)STRLEN(ptr);
3827#if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT)
3828 if (*ptr == '#' && preprocs_left())
3829 indent = 0; /* Leave # lines at start */
3830 else
3831#endif
3832 if (*ptr == NUL)
3833 indent = 0; /* Ignore empty lines */
3834 else if (first_indent)
3835 {
3836 indent_diff = orig_indent - get_indent();
3837 indent = orig_indent;
3838 first_indent = FALSE;
3839 }
3840 else if ((indent = get_indent() + indent_diff) < 0)
3841 indent = 0;
3842 (void)set_indent(indent, 0);
3843 curwin->w_cursor = old_pos;
3844 /* remember how many chars were removed */
3845 if (cnt == count && i == y_size - 1)
3846 lendiff -= (int)STRLEN(ml_get(lnum));
3847 }
3848 }
3849 }
3850
3851error:
3852 /* Adjust marks. */
3853 if (y_type == MLINE)
3854 {
3855 curbuf->b_op_start.col = 0;
3856 if (dir == FORWARD)
3857 curbuf->b_op_start.lnum++;
3858 }
3859 mark_adjust(curbuf->b_op_start.lnum + (y_type == MCHAR),
3860 (linenr_T)MAXLNUM, nr_lines, 0L);
3861
3862 /* note changed text for displaying and folding */
3863 if (y_type == MCHAR)
3864 changed_lines(curwin->w_cursor.lnum, col,
3865 curwin->w_cursor.lnum + 1, nr_lines);
3866 else
3867 changed_lines(curbuf->b_op_start.lnum, 0,
3868 curbuf->b_op_start.lnum, nr_lines);
3869
3870 /* put '] mark at last inserted character */
3871 curbuf->b_op_end.lnum = lnum;
3872 /* correct length for change in indent */
3873 col = (colnr_T)STRLEN(y_array[y_size - 1]) - lendiff;
3874 if (col > 1)
3875 curbuf->b_op_end.col = col - 1;
3876 else
3877 curbuf->b_op_end.col = 0;
3878
Bram Moolenaar26a60b42005-02-22 08:49:11 +00003879 if (flags & PUT_CURSLINE)
3880 {
Bram Moolenaar13fcaaf2005-04-15 21:13:42 +00003881 /* ":put": put cursor on last inserted line */
Bram Moolenaar26a60b42005-02-22 08:49:11 +00003882 curwin->w_cursor.lnum = lnum;
3883 beginline(BL_WHITE | BL_FIX);
3884 }
3885 else if (flags & PUT_CURSEND)
Bram Moolenaar071d4272004-06-13 20:20:40 +00003886 {
3887 /* put cursor after inserted text */
3888 if (y_type == MLINE)
3889 {
3890 if (lnum >= curbuf->b_ml.ml_line_count)
3891 curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count;
3892 else
3893 curwin->w_cursor.lnum = lnum + 1;
3894 curwin->w_cursor.col = 0;
3895 }
3896 else
3897 {
3898 curwin->w_cursor.lnum = lnum;
3899 curwin->w_cursor.col = col;
3900 }
3901 }
3902 else if (y_type == MLINE)
3903 {
Bram Moolenaar26a60b42005-02-22 08:49:11 +00003904 /* put cursor on first non-blank in first inserted line */
Bram Moolenaar071d4272004-06-13 20:20:40 +00003905 curwin->w_cursor.col = 0;
3906 if (dir == FORWARD)
3907 ++curwin->w_cursor.lnum;
3908 beginline(BL_WHITE | BL_FIX);
3909 }
3910 else /* put cursor on first inserted character */
3911 curwin->w_cursor = new_cursor;
3912 }
3913 }
3914
3915 msgmore(nr_lines);
3916 curwin->w_set_curswant = TRUE;
3917
3918end:
3919 if (allocated)
Bram Moolenaar071d4272004-06-13 20:20:40 +00003920 vim_free(insert_string);
Bram Moolenaareb3593b2006-04-22 22:33:57 +00003921 if (regname == '=')
3922 vim_free(y_array);
3923
Bram Moolenaar677ee682005-01-27 14:41:15 +00003924 /* If the cursor is past the end of the line put it at the end. */
Bram Moolenaarf193fff2006-04-27 00:02:13 +00003925 adjust_cursor_eol();
3926}
3927
3928/*
3929 * When the cursor is on the NUL past the end of the line and it should not be
3930 * there move it left.
3931 */
3932 void
3933adjust_cursor_eol()
3934{
3935 if (curwin->w_cursor.col > 0
3936 && gchar_cursor() == NUL
Bram Moolenaar2eb25da2006-03-16 21:43:34 +00003937#ifdef FEAT_VIRTUALEDIT
3938 && (ve_flags & VE_ONEMORE) == 0
3939#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00003940 && !(restart_edit || (State & INSERT)))
3941 {
Bram Moolenaara5792f52005-11-23 21:25:05 +00003942 /* Put the cursor on the last character in the line. */
Bram Moolenaara5fac542005-10-12 20:58:49 +00003943 dec_cursor();
Bram Moolenaarf193fff2006-04-27 00:02:13 +00003944
Bram Moolenaar071d4272004-06-13 20:20:40 +00003945#ifdef FEAT_VIRTUALEDIT
3946 if (ve_flags == VE_ALL)
Bram Moolenaara5792f52005-11-23 21:25:05 +00003947 {
3948 colnr_T scol, ecol;
3949
3950 /* Coladd is set to the width of the last character. */
3951 getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol);
3952 curwin->w_cursor.coladd = ecol - scol + 1;
3953 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00003954#endif
3955 }
3956}
3957
3958#if defined(FEAT_SMARTINDENT) || defined(FEAT_CINDENT) || defined(PROTO)
3959/*
3960 * Return TRUE if lines starting with '#' should be left aligned.
3961 */
3962 int
3963preprocs_left()
3964{
3965 return
3966# ifdef FEAT_SMARTINDENT
3967# ifdef FEAT_CINDENT
3968 (curbuf->b_p_si && !curbuf->b_p_cin) ||
3969# else
3970 curbuf->b_p_si
3971# endif
3972# endif
3973# ifdef FEAT_CINDENT
3974 (curbuf->b_p_cin && in_cinkeys('#', ' ', TRUE))
3975# endif
3976 ;
3977}
3978#endif
3979
3980/* Return the character name of the register with the given number */
3981 int
3982get_register_name(num)
3983 int num;
3984{
3985 if (num == -1)
3986 return '"';
3987 else if (num < 10)
3988 return num + '0';
3989 else if (num == DELETION_REGISTER)
3990 return '-';
3991#ifdef FEAT_CLIPBOARD
3992 else if (num == STAR_REGISTER)
3993 return '*';
3994 else if (num == PLUS_REGISTER)
3995 return '+';
3996#endif
3997 else
3998 {
3999#ifdef EBCDIC
4000 int i;
4001
4002 /* EBCDIC is really braindead ... */
4003 i = 'a' + (num - 10);
4004 if (i > 'i')
4005 i += 7;
4006 if (i > 'r')
4007 i += 8;
4008 return i;
4009#else
4010 return num + 'a' - 10;
4011#endif
4012 }
4013}
4014
4015/*
4016 * ":dis" and ":registers": Display the contents of the yank registers.
4017 */
4018 void
4019ex_display(eap)
4020 exarg_T *eap;
4021{
4022 int i, n;
4023 long j;
4024 char_u *p;
4025 struct yankreg *yb;
4026 int name;
4027 int attr;
4028 char_u *arg = eap->arg;
Bram Moolenaard4755bb2004-09-02 19:12:26 +00004029#ifdef FEAT_MBYTE
4030 int clen;
4031#else
4032# define clen 1
4033#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00004034
4035 if (arg != NULL && *arg == NUL)
4036 arg = NULL;
4037 attr = hl_attr(HLF_8);
4038
4039 /* Highlight title */
4040 MSG_PUTS_TITLE(_("\n--- Registers ---"));
4041 for (i = -1; i < NUM_REGISTERS && !got_int; ++i)
4042 {
4043 name = get_register_name(i);
Bram Moolenaar0818b872010-11-24 14:28:58 +01004044 if (arg != NULL && vim_strchr(arg, name) == NULL
4045#ifdef ONE_CLIPBOARD
4046 /* Star register and plus register contain the same thing. */
4047 && (name != '*' || vim_strchr(arg, '+') == NULL)
4048#endif
4049 )
Bram Moolenaar071d4272004-06-13 20:20:40 +00004050 continue; /* did not ask for this register */
4051
4052#ifdef FEAT_CLIPBOARD
4053 /* Adjust register name for "unnamed" in 'clipboard'.
4054 * When it's a clipboard register, fill it with the current contents
4055 * of the clipboard. */
4056 adjust_clip_reg(&name);
4057 (void)may_get_selection(name);
4058#endif
4059
4060 if (i == -1)
4061 {
4062 if (y_previous != NULL)
4063 yb = y_previous;
4064 else
4065 yb = &(y_regs[0]);
4066 }
4067 else
4068 yb = &(y_regs[i]);
Bram Moolenaarcde547a2009-11-17 11:43:06 +00004069
4070#ifdef FEAT_EVAL
4071 if (name == MB_TOLOWER(redir_reg)
4072 || (redir_reg == '"' && yb == y_previous))
4073 continue; /* do not list register being written to, the
4074 * pointer can be freed */
4075#endif
4076
Bram Moolenaar071d4272004-06-13 20:20:40 +00004077 if (yb->y_array != NULL)
4078 {
4079 msg_putchar('\n');
4080 msg_putchar('"');
4081 msg_putchar(name);
4082 MSG_PUTS(" ");
4083
4084 n = (int)Columns - 6;
4085 for (j = 0; j < yb->y_size && n > 1; ++j)
4086 {
4087 if (j)
4088 {
4089 MSG_PUTS_ATTR("^J", attr);
4090 n -= 2;
4091 }
4092 for (p = yb->y_array[j]; *p && (n -= ptr2cells(p)) >= 0; ++p)
4093 {
Bram Moolenaar071d4272004-06-13 20:20:40 +00004094#ifdef FEAT_MBYTE
Bram Moolenaar0fa313a2005-08-10 21:07:57 +00004095 clen = (*mb_ptr2len)(p);
Bram Moolenaard4755bb2004-09-02 19:12:26 +00004096#endif
4097 msg_outtrans_len(p, clen);
4098#ifdef FEAT_MBYTE
4099 p += clen - 1;
Bram Moolenaar071d4272004-06-13 20:20:40 +00004100#endif
4101 }
4102 }
4103 if (n > 1 && yb->y_type == MLINE)
4104 MSG_PUTS_ATTR("^J", attr);
4105 out_flush(); /* show one line at a time */
4106 }
4107 ui_breakcheck();
4108 }
4109
4110 /*
4111 * display last inserted text
4112 */
4113 if ((p = get_last_insert()) != NULL
4114 && (arg == NULL || vim_strchr(arg, '.') != NULL) && !got_int)
4115 {
4116 MSG_PUTS("\n\". ");
4117 dis_msg(p, TRUE);
4118 }
4119
4120 /*
4121 * display last command line
4122 */
4123 if (last_cmdline != NULL && (arg == NULL || vim_strchr(arg, ':') != NULL)
4124 && !got_int)
4125 {
4126 MSG_PUTS("\n\": ");
4127 dis_msg(last_cmdline, FALSE);
4128 }
4129
4130 /*
4131 * display current file name
4132 */
4133 if (curbuf->b_fname != NULL
4134 && (arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int)
4135 {
4136 MSG_PUTS("\n\"% ");
4137 dis_msg(curbuf->b_fname, FALSE);
4138 }
4139
4140 /*
4141 * display alternate file name
4142 */
4143 if ((arg == NULL || vim_strchr(arg, '%') != NULL) && !got_int)
4144 {
4145 char_u *fname;
4146 linenr_T dummy;
4147
4148 if (buflist_name_nr(0, &fname, &dummy) != FAIL)
4149 {
4150 MSG_PUTS("\n\"# ");
4151 dis_msg(fname, FALSE);
4152 }
4153 }
4154
4155 /*
4156 * display last search pattern
4157 */
4158 if (last_search_pat() != NULL
4159 && (arg == NULL || vim_strchr(arg, '/') != NULL) && !got_int)
4160 {
4161 MSG_PUTS("\n\"/ ");
4162 dis_msg(last_search_pat(), FALSE);
4163 }
4164
4165#ifdef FEAT_EVAL
4166 /*
4167 * display last used expression
4168 */
4169 if (expr_line != NULL && (arg == NULL || vim_strchr(arg, '=') != NULL)
4170 && !got_int)
4171 {
4172 MSG_PUTS("\n\"= ");
4173 dis_msg(expr_line, FALSE);
4174 }
4175#endif
4176}
4177
4178/*
4179 * display a string for do_dis()
4180 * truncate at end of screen line
4181 */
4182 static void
4183dis_msg(p, skip_esc)
4184 char_u *p;
4185 int skip_esc; /* if TRUE, ignore trailing ESC */
4186{
4187 int n;
4188#ifdef FEAT_MBYTE
4189 int l;
4190#endif
4191
4192 n = (int)Columns - 6;
4193 while (*p != NUL
4194 && !(*p == ESC && skip_esc && *(p + 1) == NUL)
4195 && (n -= ptr2cells(p)) >= 0)
4196 {
4197#ifdef FEAT_MBYTE
Bram Moolenaar0fa313a2005-08-10 21:07:57 +00004198 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1)
Bram Moolenaar071d4272004-06-13 20:20:40 +00004199 {
4200 msg_outtrans_len(p, l);
4201 p += l;
4202 }
4203 else
4204#endif
4205 msg_outtrans_len(p++, 1);
4206 }
4207 ui_breakcheck();
4208}
4209
Bram Moolenaar81340392012-06-06 16:12:59 +02004210#if defined(FEAT_COMMENTS) || defined(PROTO)
4211/*
4212 * If "process" is TRUE and the line begins with a comment leader (possibly
4213 * after some white space), return a pointer to the text after it. Put a boolean
4214 * value indicating whether the line ends with an unclosed comment in
4215 * "is_comment".
4216 * line - line to be processed,
4217 * process - if FALSE, will only check whether the line ends with an unclosed
Bram Moolenaarbfe3bf82012-06-13 17:28:55 +02004218 * comment,
Bram Moolenaar81340392012-06-06 16:12:59 +02004219 * include_space - whether to also skip space following the comment leader,
4220 * is_comment - will indicate whether the current line ends with an unclosed
Bram Moolenaarbfe3bf82012-06-13 17:28:55 +02004221 * comment.
Bram Moolenaar81340392012-06-06 16:12:59 +02004222 */
4223 static char_u *
4224skip_comment(line, process, include_space, is_comment)
4225 char_u *line;
4226 int process;
4227 int include_space;
4228 int *is_comment;
4229{
4230 char_u *comment_flags = NULL;
4231 int lead_len;
4232 int leader_offset = get_last_leader_offset(line, &comment_flags);
4233
4234 *is_comment = FALSE;
4235 if (leader_offset != -1)
4236 {
4237 /* Let's check whether the line ends with an unclosed comment.
4238 * If the last comment leader has COM_END in flags, there's no comment.
4239 */
4240 while (*comment_flags)
4241 {
4242 if (*comment_flags == COM_END
4243 || *comment_flags == ':')
4244 break;
4245 ++comment_flags;
4246 }
4247 if (*comment_flags != COM_END)
4248 *is_comment = TRUE;
4249 }
4250
4251 if (process == FALSE)
4252 return line;
4253
4254 lead_len = get_leader_len(line, &comment_flags, FALSE, include_space);
4255
4256 if (lead_len == 0)
4257 return line;
4258
4259 /* Find:
Bram Moolenaar81340392012-06-06 16:12:59 +02004260 * - COM_END,
4261 * - colon,
4262 * whichever comes first.
4263 */
4264 while (*comment_flags)
4265 {
Bram Moolenaare04a48f2012-06-13 14:01:41 +02004266 if (*comment_flags == COM_END
Bram Moolenaar81340392012-06-06 16:12:59 +02004267 || *comment_flags == ':')
4268 {
4269 break;
4270 }
4271 ++comment_flags;
4272 }
4273
4274 /* If we found a colon, it means that we are not processing a line
Bram Moolenaare04a48f2012-06-13 14:01:41 +02004275 * starting with a closing part of a three-part comment. That's good,
4276 * because we don't want to remove those as this would be annoying.
Bram Moolenaar81340392012-06-06 16:12:59 +02004277 */
4278 if (*comment_flags == ':' || *comment_flags == NUL)
4279 line += lead_len;
4280
4281 return line;
4282}
4283#endif
4284
Bram Moolenaar071d4272004-06-13 20:20:40 +00004285/*
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004286 * Join 'count' lines (minimal 2) at cursor position.
4287 * When "save_undo" is TRUE save lines for undo first.
Bram Moolenaar81340392012-06-06 16:12:59 +02004288 * Set "use_formatoptions" to FALSE when e.g. processing
4289 * backspace and comment leaders should not be removed.
Bram Moolenaar071d4272004-06-13 20:20:40 +00004290 *
Bram Moolenaar10c56952007-05-10 18:38:52 +00004291 * return FAIL for failure, OK otherwise
Bram Moolenaar071d4272004-06-13 20:20:40 +00004292 */
4293 int
Bram Moolenaar81340392012-06-06 16:12:59 +02004294do_join(count, insert_space, save_undo, use_formatoptions)
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004295 long count;
4296 int insert_space;
4297 int save_undo;
Bram Moolenaar81340392012-06-06 16:12:59 +02004298 int use_formatoptions UNUSED;
Bram Moolenaar071d4272004-06-13 20:20:40 +00004299{
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004300 char_u *curr = NULL;
Bram Moolenaar341ad7a2010-10-09 17:23:31 +02004301 char_u *curr_start = NULL;
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004302 char_u *cend;
Bram Moolenaar071d4272004-06-13 20:20:40 +00004303 char_u *newp;
Bram Moolenaar341ad7a2010-10-09 17:23:31 +02004304 char_u *spaces; /* number of spaces inserted before a line */
Bram Moolenaard43848c2010-07-14 14:28:26 +02004305 int endcurr1 = NUL;
4306 int endcurr2 = NUL;
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004307 int currsize = 0; /* size of the current line */
4308 int sumsize = 0; /* size of the long new line */
Bram Moolenaar071d4272004-06-13 20:20:40 +00004309 linenr_T t;
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004310 colnr_T col = 0;
4311 int ret = OK;
Bram Moolenaar81340392012-06-06 16:12:59 +02004312#if defined(FEAT_COMMENTS) || defined(PROTO)
Bram Moolenaar802053f2012-06-06 23:08:38 +02004313 int *comments = NULL;
Bram Moolenaar81340392012-06-06 16:12:59 +02004314 int remove_comments = (use_formatoptions == TRUE)
4315 && has_format_option(FO_REMOVE_COMS);
4316 int prev_was_comment;
4317#endif
4318
Bram Moolenaar071d4272004-06-13 20:20:40 +00004319
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004320 if (save_undo && u_save((linenr_T)(curwin->w_cursor.lnum - 1),
4321 (linenr_T)(curwin->w_cursor.lnum + count)) == FAIL)
4322 return FAIL;
Bram Moolenaar071d4272004-06-13 20:20:40 +00004323
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004324 /* Allocate an array to store the number of spaces inserted before each
4325 * line. We will use it to pre-compute the length of the new line and the
4326 * proper placement of each original line in the new one. */
4327 spaces = lalloc_clear((long_u)count, TRUE);
4328 if (spaces == NULL)
Bram Moolenaar071d4272004-06-13 20:20:40 +00004329 return FAIL;
Bram Moolenaar81340392012-06-06 16:12:59 +02004330#if defined(FEAT_COMMENTS) || defined(PROTO)
4331 if (remove_comments)
4332 {
4333 comments = (int *)lalloc_clear((long_u)count * sizeof(int), TRUE);
4334 if (comments == NULL)
4335 {
4336 vim_free(spaces);
4337 return FAIL;
4338 }
4339 }
4340#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00004341
4342 /*
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004343 * Don't move anything, just compute the final line length
4344 * and setup the array of space strings lengths
Bram Moolenaar071d4272004-06-13 20:20:40 +00004345 */
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004346 for (t = 0; t < count; ++t)
4347 {
Bram Moolenaar341ad7a2010-10-09 17:23:31 +02004348 curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t));
Bram Moolenaar81340392012-06-06 16:12:59 +02004349#if defined(FEAT_COMMENTS) || defined(PROTO)
4350 if (remove_comments)
4351 {
4352 /* We don't want to remove the comment leader if the
4353 * previous line is not a comment. */
4354 if (t > 0 && prev_was_comment)
4355 {
4356
4357 char_u *new_curr = skip_comment(curr, TRUE, insert_space,
4358 &prev_was_comment);
Bram Moolenaar27ba0882012-06-07 21:09:39 +02004359 comments[t] = (int)(new_curr - curr);
Bram Moolenaar81340392012-06-06 16:12:59 +02004360 curr = new_curr;
4361 }
4362 else
4363 curr = skip_comment(curr, FALSE, insert_space,
4364 &prev_was_comment);
4365 }
4366#endif
4367
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004368 if (insert_space && t > 0)
4369 {
4370 curr = skipwhite(curr);
4371 if (*curr != ')' && currsize != 0 && endcurr1 != TAB
4372#ifdef FEAT_MBYTE
4373 && (!has_format_option(FO_MBYTE_JOIN)
4374 || (mb_ptr2char(curr) < 0x100 && endcurr1 < 0x100))
4375 && (!has_format_option(FO_MBYTE_JOIN2)
4376 || mb_ptr2char(curr) < 0x100 || endcurr1 < 0x100)
4377#endif
4378 )
4379 {
4380 /* don't add a space if the line is ending in a space */
4381 if (endcurr1 == ' ')
4382 endcurr1 = endcurr2;
4383 else
4384 ++spaces[t];
4385 /* extra space when 'joinspaces' set and line ends in '.' */
4386 if ( p_js
4387 && (endcurr1 == '.'
4388 || (vim_strchr(p_cpo, CPO_JOINSP) == NULL
4389 && (endcurr1 == '?' || endcurr1 == '!'))))
4390 ++spaces[t];
4391 }
4392 }
4393 currsize = (int)STRLEN(curr);
4394 sumsize += currsize + spaces[t];
4395 endcurr1 = endcurr2 = NUL;
4396 if (insert_space && currsize > 0)
4397 {
4398#ifdef FEAT_MBYTE
4399 if (has_mbyte)
4400 {
4401 cend = curr + currsize;
4402 mb_ptr_back(curr, cend);
4403 endcurr1 = (*mb_ptr2char)(cend);
4404 if (cend > curr)
4405 {
4406 mb_ptr_back(curr, cend);
4407 endcurr2 = (*mb_ptr2char)(cend);
4408 }
4409 }
4410 else
4411#endif
4412 {
4413 endcurr1 = *(curr + currsize - 1);
4414 if (currsize > 1)
4415 endcurr2 = *(curr + currsize - 2);
4416 }
4417 }
4418 line_breakcheck();
4419 if (got_int)
4420 {
4421 ret = FAIL;
4422 goto theend;
4423 }
4424 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00004425
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004426 /* store the column position before last line */
4427 col = sumsize - currsize - spaces[count - 1];
Bram Moolenaar071d4272004-06-13 20:20:40 +00004428
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004429 /* allocate the space for the new line */
4430 newp = alloc_check((unsigned)(sumsize + 1));
4431 cend = newp + sumsize;
4432 *cend = 0;
Bram Moolenaar071d4272004-06-13 20:20:40 +00004433
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004434 /*
4435 * Move affected lines to the new long one.
4436 *
4437 * Move marks from each deleted line to the joined line, adjusting the
4438 * column. This is not Vi compatible, but Vi deletes the marks, thus that
4439 * should not really be a problem.
4440 */
4441 for (t = count - 1; ; --t)
4442 {
4443 cend -= currsize;
4444 mch_memmove(cend, curr, (size_t)currsize);
4445 if (spaces[t] > 0)
4446 {
4447 cend -= spaces[t];
4448 copy_spaces(cend, (size_t)(spaces[t]));
4449 }
4450 mark_col_adjust(curwin->w_cursor.lnum + t, (colnr_T)0, (linenr_T)-t,
Bram Moolenaar341ad7a2010-10-09 17:23:31 +02004451 (long)(cend - newp + spaces[t] - (curr - curr_start)));
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004452 if (t == 0)
4453 break;
Bram Moolenaar341ad7a2010-10-09 17:23:31 +02004454 curr = curr_start = ml_get((linenr_T)(curwin->w_cursor.lnum + t - 1));
Bram Moolenaar81340392012-06-06 16:12:59 +02004455#if defined(FEAT_COMMENTS) || defined(PROTO)
4456 if (remove_comments)
4457 curr += comments[t - 1];
4458#endif
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004459 if (insert_space && t > 1)
4460 curr = skipwhite(curr);
4461 currsize = (int)STRLEN(curr);
4462 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00004463 ml_replace(curwin->w_cursor.lnum, newp, FALSE);
4464
4465 /* Only report the change in the first line here, del_lines() will report
4466 * the deleted line. */
4467 changed_lines(curwin->w_cursor.lnum, currsize,
4468 curwin->w_cursor.lnum + 1, 0L);
4469
4470 /*
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004471 * Delete following lines. To do this we move the cursor there
Bram Moolenaar071d4272004-06-13 20:20:40 +00004472 * briefly, and then move it back. After del_lines() the cursor may
4473 * have moved up (last line deleted), so the current lnum is kept in t.
Bram Moolenaar071d4272004-06-13 20:20:40 +00004474 */
4475 t = curwin->w_cursor.lnum;
Bram Moolenaar071d4272004-06-13 20:20:40 +00004476 ++curwin->w_cursor.lnum;
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004477 del_lines(count - 1, FALSE);
Bram Moolenaar071d4272004-06-13 20:20:40 +00004478 curwin->w_cursor.lnum = t;
4479
4480 /*
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004481 * Set the cursor column:
4482 * Vi compatible: use the column of the first join
Bram Moolenaarcc448b32010-07-14 16:52:17 +02004483 * vim: use the column of the last join
Bram Moolenaar071d4272004-06-13 20:20:40 +00004484 */
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004485 curwin->w_cursor.col =
4486 (vim_strchr(p_cpo, CPO_JOINCOL) != NULL ? currsize : col);
Bram Moolenaar071d4272004-06-13 20:20:40 +00004487 check_cursor_col();
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004488
Bram Moolenaar071d4272004-06-13 20:20:40 +00004489#ifdef FEAT_VIRTUALEDIT
4490 curwin->w_cursor.coladd = 0;
4491#endif
4492 curwin->w_set_curswant = TRUE;
4493
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004494theend:
4495 vim_free(spaces);
Bram Moolenaar81340392012-06-06 16:12:59 +02004496#if defined(FEAT_COMMENTS) || defined(PROTO)
4497 if (remove_comments)
4498 vim_free(comments);
4499#endif
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004500 return ret;
Bram Moolenaar071d4272004-06-13 20:20:40 +00004501}
4502
4503#ifdef FEAT_COMMENTS
4504/*
4505 * Return TRUE if the two comment leaders given are the same. "lnum" is
4506 * the first line. White-space is ignored. Note that the whole of
4507 * 'leader1' must match 'leader2_len' characters from 'leader2' -- webb
4508 */
4509 static int
4510same_leader(lnum, leader1_len, leader1_flags, leader2_len, leader2_flags)
4511 linenr_T lnum;
4512 int leader1_len;
4513 char_u *leader1_flags;
4514 int leader2_len;
4515 char_u *leader2_flags;
4516{
4517 int idx1 = 0, idx2 = 0;
4518 char_u *p;
4519 char_u *line1;
4520 char_u *line2;
4521
4522 if (leader1_len == 0)
4523 return (leader2_len == 0);
4524
4525 /*
4526 * If first leader has 'f' flag, the lines can be joined only if the
4527 * second line does not have a leader.
4528 * If first leader has 'e' flag, the lines can never be joined.
4529 * If fist leader has 's' flag, the lines can only be joined if there is
4530 * some text after it and the second line has the 'm' flag.
4531 */
4532 if (leader1_flags != NULL)
4533 {
4534 for (p = leader1_flags; *p && *p != ':'; ++p)
4535 {
4536 if (*p == COM_FIRST)
4537 return (leader2_len == 0);
4538 if (*p == COM_END)
4539 return FALSE;
4540 if (*p == COM_START)
4541 {
4542 if (*(ml_get(lnum) + leader1_len) == NUL)
4543 return FALSE;
4544 if (leader2_flags == NULL || leader2_len == 0)
4545 return FALSE;
4546 for (p = leader2_flags; *p && *p != ':'; ++p)
4547 if (*p == COM_MIDDLE)
4548 return TRUE;
4549 return FALSE;
4550 }
4551 }
4552 }
4553
4554 /*
4555 * Get current line and next line, compare the leaders.
4556 * The first line has to be saved, only one line can be locked at a time.
4557 */
4558 line1 = vim_strsave(ml_get(lnum));
4559 if (line1 != NULL)
4560 {
4561 for (idx1 = 0; vim_iswhite(line1[idx1]); ++idx1)
4562 ;
4563 line2 = ml_get(lnum + 1);
4564 for (idx2 = 0; idx2 < leader2_len; ++idx2)
4565 {
4566 if (!vim_iswhite(line2[idx2]))
4567 {
4568 if (line1[idx1++] != line2[idx2])
4569 break;
4570 }
4571 else
4572 while (vim_iswhite(line1[idx1]))
4573 ++idx1;
4574 }
4575 vim_free(line1);
4576 }
4577 return (idx2 == leader2_len && idx1 == leader1_len);
4578}
4579#endif
4580
4581/*
Bram Moolenaar66accae2012-01-10 13:44:27 +01004582 * Implementation of the format operator 'gq'.
Bram Moolenaar071d4272004-06-13 20:20:40 +00004583 */
4584 void
4585op_format(oap, keep_cursor)
4586 oparg_T *oap;
4587 int keep_cursor; /* keep cursor on same text char */
4588{
4589 long old_line_count = curbuf->b_ml.ml_line_count;
4590
4591 /* Place the cursor where the "gq" or "gw" command was given, so that "u"
4592 * can put it back there. */
4593 curwin->w_cursor = oap->cursor_start;
4594
4595 if (u_save((linenr_T)(oap->start.lnum - 1),
4596 (linenr_T)(oap->end.lnum + 1)) == FAIL)
4597 return;
4598 curwin->w_cursor = oap->start;
4599
4600#ifdef FEAT_VISUAL
4601 if (oap->is_VIsual)
4602 /* When there is no change: need to remove the Visual selection */
4603 redraw_curbuf_later(INVERTED);
4604#endif
4605
4606 /* Set '[ mark at the start of the formatted area */
4607 curbuf->b_op_start = oap->start;
4608
4609 /* For "gw" remember the cursor position and put it back below (adjusted
4610 * for joined and split lines). */
4611 if (keep_cursor)
4612 saved_cursor = oap->cursor_start;
4613
Bram Moolenaar81a82092008-03-12 16:27:00 +00004614 format_lines(oap->line_count, keep_cursor);
Bram Moolenaar071d4272004-06-13 20:20:40 +00004615
4616 /*
4617 * Leave the cursor at the first non-blank of the last formatted line.
4618 * If the cursor was moved one line back (e.g. with "Q}") go to the next
4619 * line, so "." will do the next lines.
4620 */
4621 if (oap->end_adjusted && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
4622 ++curwin->w_cursor.lnum;
4623 beginline(BL_WHITE | BL_FIX);
4624 old_line_count = curbuf->b_ml.ml_line_count - old_line_count;
4625 msgmore(old_line_count);
4626
4627 /* put '] mark on the end of the formatted area */
4628 curbuf->b_op_end = curwin->w_cursor;
4629
4630 if (keep_cursor)
4631 {
4632 curwin->w_cursor = saved_cursor;
4633 saved_cursor.lnum = 0;
4634 }
4635
4636#ifdef FEAT_VISUAL
4637 if (oap->is_VIsual)
4638 {
4639 win_T *wp;
4640
4641 FOR_ALL_WINDOWS(wp)
4642 {
4643 if (wp->w_old_cursor_lnum != 0)
4644 {
4645 /* When lines have been inserted or deleted, adjust the end of
4646 * the Visual area to be redrawn. */
4647 if (wp->w_old_cursor_lnum > wp->w_old_visual_lnum)
4648 wp->w_old_cursor_lnum += old_line_count;
4649 else
4650 wp->w_old_visual_lnum += old_line_count;
4651 }
4652 }
4653 }
4654#endif
4655}
4656
Bram Moolenaar1d2ba7f2006-02-14 22:29:30 +00004657#if defined(FEAT_EVAL) || defined(PROTO)
4658/*
4659 * Implementation of the format operator 'gq' for when using 'formatexpr'.
4660 */
4661 void
4662op_formatexpr(oap)
4663 oparg_T *oap;
4664{
4665# ifdef FEAT_VISUAL
4666 if (oap->is_VIsual)
4667 /* When there is no change: need to remove the Visual selection */
4668 redraw_curbuf_later(INVERTED);
4669# endif
4670
Bram Moolenaar700303e2010-07-11 17:35:50 +02004671 if (fex_format(oap->start.lnum, oap->line_count, NUL) != 0)
4672 /* As documented: when 'formatexpr' returns non-zero fall back to
4673 * internal formatting. */
4674 op_format(oap, FALSE);
Bram Moolenaar1d2ba7f2006-02-14 22:29:30 +00004675}
4676
4677 int
Bram Moolenaarf193fff2006-04-27 00:02:13 +00004678fex_format(lnum, count, c)
Bram Moolenaar1d2ba7f2006-02-14 22:29:30 +00004679 linenr_T lnum;
4680 long count;
Bram Moolenaarf193fff2006-04-27 00:02:13 +00004681 int c; /* character to be inserted */
Bram Moolenaar1d2ba7f2006-02-14 22:29:30 +00004682{
Bram Moolenaard1f56e62006-02-22 21:25:37 +00004683 int use_sandbox = was_set_insecurely((char_u *)"formatexpr",
4684 OPT_LOCAL);
Bram Moolenaar1d2ba7f2006-02-14 22:29:30 +00004685 int r;
4686
4687 /*
4688 * Set v:lnum to the first line number and v:count to the number of lines.
Bram Moolenaarf193fff2006-04-27 00:02:13 +00004689 * Set v:char to the character to be inserted (can be NUL).
Bram Moolenaar1d2ba7f2006-02-14 22:29:30 +00004690 */
4691 set_vim_var_nr(VV_LNUM, lnum);
4692 set_vim_var_nr(VV_COUNT, count);
Bram Moolenaarda9591e2009-09-30 13:17:02 +00004693 set_vim_var_char(c);
Bram Moolenaarf193fff2006-04-27 00:02:13 +00004694
Bram Moolenaar1d2ba7f2006-02-14 22:29:30 +00004695 /*
4696 * Evaluate the function.
4697 */
4698 if (use_sandbox)
4699 ++sandbox;
4700 r = eval_to_number(curbuf->b_p_fex);
4701 if (use_sandbox)
4702 --sandbox;
Bram Moolenaarf193fff2006-04-27 00:02:13 +00004703
4704 set_vim_var_string(VV_CHAR, NULL, -1);
4705
Bram Moolenaar1d2ba7f2006-02-14 22:29:30 +00004706 return r;
4707}
4708#endif
4709
Bram Moolenaar071d4272004-06-13 20:20:40 +00004710/*
4711 * Format "line_count" lines, starting at the cursor position.
4712 * When "line_count" is negative, format until the end of the paragraph.
4713 * Lines after the cursor line are saved for undo, caller must have saved the
4714 * first line.
4715 */
4716 void
Bram Moolenaar81a82092008-03-12 16:27:00 +00004717format_lines(line_count, avoid_fex)
Bram Moolenaar071d4272004-06-13 20:20:40 +00004718 linenr_T line_count;
Bram Moolenaar81a82092008-03-12 16:27:00 +00004719 int avoid_fex; /* don't use 'formatexpr' */
Bram Moolenaar071d4272004-06-13 20:20:40 +00004720{
4721 int max_len;
4722 int is_not_par; /* current line not part of parag. */
4723 int next_is_not_par; /* next line not part of paragraph */
4724 int is_end_par; /* at end of paragraph */
4725 int prev_is_end_par = FALSE;/* prev. line not part of parag. */
4726 int next_is_start_par = FALSE;
4727#ifdef FEAT_COMMENTS
4728 int leader_len = 0; /* leader len of current line */
4729 int next_leader_len; /* leader len of next line */
4730 char_u *leader_flags = NULL; /* flags for leader of current line */
4731 char_u *next_leader_flags; /* flags for leader of next line */
4732 int do_comments; /* format comments */
Bram Moolenaarbfe3bf82012-06-13 17:28:55 +02004733 int do_comments_list = 0; /* format comments with 'n' or '2' */
Bram Moolenaar071d4272004-06-13 20:20:40 +00004734#endif
4735 int advance = TRUE;
Bram Moolenaarbfe3bf82012-06-13 17:28:55 +02004736 int second_indent = -1; /* indent for second line (comment
4737 * aware) */
Bram Moolenaar071d4272004-06-13 20:20:40 +00004738 int do_second_indent;
4739 int do_number_indent;
4740 int do_trail_white;
4741 int first_par_line = TRUE;
4742 int smd_save;
4743 long count;
4744 int need_set_indent = TRUE; /* set indent of next paragraph */
4745 int force_format = FALSE;
4746 int old_State = State;
4747
4748 /* length of a line to force formatting: 3 * 'tw' */
4749 max_len = comp_textwidth(TRUE) * 3;
4750
4751 /* check for 'q', '2' and '1' in 'formatoptions' */
4752#ifdef FEAT_COMMENTS
4753 do_comments = has_format_option(FO_Q_COMS);
4754#endif
4755 do_second_indent = has_format_option(FO_Q_SECOND);
4756 do_number_indent = has_format_option(FO_Q_NUMBER);
4757 do_trail_white = has_format_option(FO_WHITE_PAR);
4758
4759 /*
4760 * Get info about the previous and current line.
4761 */
4762 if (curwin->w_cursor.lnum > 1)
4763 is_not_par = fmt_check_par(curwin->w_cursor.lnum - 1
4764#ifdef FEAT_COMMENTS
4765 , &leader_len, &leader_flags, do_comments
4766#endif
4767 );
4768 else
4769 is_not_par = TRUE;
4770 next_is_not_par = fmt_check_par(curwin->w_cursor.lnum
4771#ifdef FEAT_COMMENTS
4772 , &next_leader_len, &next_leader_flags, do_comments
4773#endif
4774 );
4775 is_end_par = (is_not_par || next_is_not_par);
4776 if (!is_end_par && do_trail_white)
4777 is_end_par = !ends_in_white(curwin->w_cursor.lnum - 1);
4778
4779 curwin->w_cursor.lnum--;
4780 for (count = line_count; count != 0 && !got_int; --count)
4781 {
4782 /*
4783 * Advance to next paragraph.
4784 */
4785 if (advance)
4786 {
4787 curwin->w_cursor.lnum++;
4788 prev_is_end_par = is_end_par;
4789 is_not_par = next_is_not_par;
4790#ifdef FEAT_COMMENTS
4791 leader_len = next_leader_len;
4792 leader_flags = next_leader_flags;
4793#endif
4794 }
4795
4796 /*
4797 * The last line to be formatted.
4798 */
4799 if (count == 1 || curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)
4800 {
4801 next_is_not_par = TRUE;
4802#ifdef FEAT_COMMENTS
4803 next_leader_len = 0;
4804 next_leader_flags = NULL;
4805#endif
4806 }
4807 else
4808 {
4809 next_is_not_par = fmt_check_par(curwin->w_cursor.lnum + 1
4810#ifdef FEAT_COMMENTS
4811 , &next_leader_len, &next_leader_flags, do_comments
4812#endif
4813 );
4814 if (do_number_indent)
4815 next_is_start_par =
4816 (get_number_indent(curwin->w_cursor.lnum + 1) > 0);
4817 }
4818 advance = TRUE;
4819 is_end_par = (is_not_par || next_is_not_par || next_is_start_par);
4820 if (!is_end_par && do_trail_white)
4821 is_end_par = !ends_in_white(curwin->w_cursor.lnum);
4822
4823 /*
4824 * Skip lines that are not in a paragraph.
4825 */
4826 if (is_not_par)
4827 {
4828 if (line_count < 0)
4829 break;
4830 }
4831 else
4832 {
4833 /*
4834 * For the first line of a paragraph, check indent of second line.
4835 * Don't do this for comments and empty lines.
4836 */
4837 if (first_par_line
4838 && (do_second_indent || do_number_indent)
4839 && prev_is_end_par
Bram Moolenaarbfe3bf82012-06-13 17:28:55 +02004840 && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count)
Bram Moolenaar071d4272004-06-13 20:20:40 +00004841 {
Bram Moolenaarbfe3bf82012-06-13 17:28:55 +02004842 if (do_second_indent && !lineempty(curwin->w_cursor.lnum + 1))
4843 {
4844#ifdef FEAT_COMMENTS
4845 if (leader_len == 0 && next_leader_len == 0)
4846 {
4847 /* no comment found */
4848#endif
4849 second_indent =
4850 get_indent_lnum(curwin->w_cursor.lnum + 1);
4851#ifdef FEAT_COMMENTS
4852 }
4853 else
4854 {
4855 second_indent = next_leader_len;
4856 do_comments_list = 1;
4857 }
4858#endif
4859 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00004860 else if (do_number_indent)
Bram Moolenaarbfe3bf82012-06-13 17:28:55 +02004861 {
4862#ifdef FEAT_COMMENTS
4863 if (leader_len == 0 && next_leader_len == 0)
4864 {
4865 /* no comment found */
4866#endif
4867 second_indent =
4868 get_number_indent(curwin->w_cursor.lnum);
4869#ifdef FEAT_COMMENTS
4870 }
4871 else
4872 {
4873 /* get_number_indent() is now "comment aware"... */
4874 second_indent =
4875 get_number_indent(curwin->w_cursor.lnum);
4876 do_comments_list = 1;
4877 }
4878#endif
4879 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00004880 }
4881
4882 /*
4883 * When the comment leader changes, it's the end of the paragraph.
4884 */
4885 if (curwin->w_cursor.lnum >= curbuf->b_ml.ml_line_count
4886#ifdef FEAT_COMMENTS
4887 || !same_leader(curwin->w_cursor.lnum,
4888 leader_len, leader_flags,
4889 next_leader_len, next_leader_flags)
4890#endif
4891 )
4892 is_end_par = TRUE;
4893
4894 /*
4895 * If we have got to the end of a paragraph, or the line is
4896 * getting long, format it.
4897 */
4898 if (is_end_par || force_format)
4899 {
4900 if (need_set_indent)
4901 /* replace indent in first line with minimal number of
4902 * tabs and spaces, according to current options */
4903 (void)set_indent(get_indent(), SIN_CHANGED);
4904
4905 /* put cursor on last non-space */
4906 State = NORMAL; /* don't go past end-of-line */
4907 coladvance((colnr_T)MAXCOL);
4908 while (curwin->w_cursor.col && vim_isspace(gchar_cursor()))
4909 dec_cursor();
4910
4911 /* do the formatting, without 'showmode' */
4912 State = INSERT; /* for open_line() */
4913 smd_save = p_smd;
4914 p_smd = FALSE;
4915 insertchar(NUL, INSCHAR_FORMAT
4916#ifdef FEAT_COMMENTS
4917 + (do_comments ? INSCHAR_DO_COM : 0)
Bram Moolenaarbfe3bf82012-06-13 17:28:55 +02004918 + (do_comments && do_comments_list
4919 ? INSCHAR_COM_LIST : 0)
Bram Moolenaar071d4272004-06-13 20:20:40 +00004920#endif
Bram Moolenaar81a82092008-03-12 16:27:00 +00004921 + (avoid_fex ? INSCHAR_NO_FEX : 0), second_indent);
Bram Moolenaar071d4272004-06-13 20:20:40 +00004922 State = old_State;
4923 p_smd = smd_save;
4924 second_indent = -1;
4925 /* at end of par.: need to set indent of next par. */
4926 need_set_indent = is_end_par;
4927 if (is_end_par)
4928 {
4929 /* When called with a negative line count, break at the
4930 * end of the paragraph. */
4931 if (line_count < 0)
4932 break;
4933 first_par_line = TRUE;
4934 }
4935 force_format = FALSE;
4936 }
4937
4938 /*
4939 * When still in same paragraph, join the lines together. But
4940 * first delete the comment leader from the second line.
4941 */
4942 if (!is_end_par)
4943 {
4944 advance = FALSE;
4945 curwin->w_cursor.lnum++;
4946 curwin->w_cursor.col = 0;
4947 if (line_count < 0 && u_save_cursor() == FAIL)
Bram Moolenaar893eaab2010-07-10 17:51:46 +02004948 break;
Bram Moolenaar071d4272004-06-13 20:20:40 +00004949#ifdef FEAT_COMMENTS
Bram Moolenaare3226be2005-12-18 22:10:00 +00004950 (void)del_bytes((long)next_leader_len, FALSE, FALSE);
Bram Moolenaar071d4272004-06-13 20:20:40 +00004951 if (next_leader_len > 0)
4952 mark_col_adjust(curwin->w_cursor.lnum, (colnr_T)0, 0L,
4953 (long)-next_leader_len);
4954#endif
4955 curwin->w_cursor.lnum--;
Bram Moolenaar81340392012-06-06 16:12:59 +02004956 if (do_join(2, TRUE, FALSE, FALSE) == FAIL)
Bram Moolenaar071d4272004-06-13 20:20:40 +00004957 {
4958 beep_flush();
4959 break;
4960 }
4961 first_par_line = FALSE;
4962 /* If the line is getting long, format it next time */
4963 if (STRLEN(ml_get_curline()) > (size_t)max_len)
4964 force_format = TRUE;
4965 else
4966 force_format = FALSE;
4967 }
4968 }
4969 line_breakcheck();
4970 }
4971}
4972
4973/*
4974 * Return TRUE if line "lnum" ends in a white character.
4975 */
4976 static int
4977ends_in_white(lnum)
4978 linenr_T lnum;
4979{
4980 char_u *s = ml_get(lnum);
4981 size_t l;
4982
4983 if (*s == NUL)
4984 return FALSE;
4985 /* Don't use STRLEN() inside vim_iswhite(), SAS/C complains: "macro
4986 * invocation may call function multiple times". */
4987 l = STRLEN(s) - 1;
4988 return vim_iswhite(s[l]);
4989}
4990
4991/*
4992 * Blank lines, and lines containing only the comment leader, are left
4993 * untouched by the formatting. The function returns TRUE in this
4994 * case. It also returns TRUE when a line starts with the end of a comment
4995 * ('e' in comment flags), so that this line is skipped, and not joined to the
4996 * previous line. A new paragraph starts after a blank line, or when the
4997 * comment leader changes -- webb.
4998 */
4999#ifdef FEAT_COMMENTS
5000 static int
5001fmt_check_par(lnum, leader_len, leader_flags, do_comments)
5002 linenr_T lnum;
5003 int *leader_len;
5004 char_u **leader_flags;
5005 int do_comments;
5006{
5007 char_u *flags = NULL; /* init for GCC */
5008 char_u *ptr;
5009
5010 ptr = ml_get(lnum);
5011 if (do_comments)
Bram Moolenaar81340392012-06-06 16:12:59 +02005012 *leader_len = get_leader_len(ptr, leader_flags, FALSE, TRUE);
Bram Moolenaar071d4272004-06-13 20:20:40 +00005013 else
5014 *leader_len = 0;
5015
5016 if (*leader_len > 0)
5017 {
5018 /*
5019 * Search for 'e' flag in comment leader flags.
5020 */
5021 flags = *leader_flags;
5022 while (*flags && *flags != ':' && *flags != COM_END)
5023 ++flags;
5024 }
5025
5026 return (*skipwhite(ptr + *leader_len) == NUL
5027 || (*leader_len > 0 && *flags == COM_END)
5028 || startPS(lnum, NUL, FALSE));
5029}
5030#else
5031 static int
5032fmt_check_par(lnum)
5033 linenr_T lnum;
5034{
5035 return (*skipwhite(ml_get(lnum)) == NUL || startPS(lnum, NUL, FALSE));
5036}
5037#endif
5038
5039/*
5040 * Return TRUE when a paragraph starts in line "lnum". Return FALSE when the
5041 * previous line is in the same paragraph. Used for auto-formatting.
5042 */
5043 int
5044paragraph_start(lnum)
5045 linenr_T lnum;
5046{
5047 char_u *p;
5048#ifdef FEAT_COMMENTS
5049 int leader_len = 0; /* leader len of current line */
5050 char_u *leader_flags = NULL; /* flags for leader of current line */
5051 int next_leader_len; /* leader len of next line */
5052 char_u *next_leader_flags; /* flags for leader of next line */
5053 int do_comments; /* format comments */
5054#endif
5055
5056 if (lnum <= 1)
5057 return TRUE; /* start of the file */
5058
5059 p = ml_get(lnum - 1);
5060 if (*p == NUL)
5061 return TRUE; /* after empty line */
5062
5063#ifdef FEAT_COMMENTS
5064 do_comments = has_format_option(FO_Q_COMS);
5065#endif
5066 if (fmt_check_par(lnum - 1
5067#ifdef FEAT_COMMENTS
5068 , &leader_len, &leader_flags, do_comments
5069#endif
5070 ))
5071 return TRUE; /* after non-paragraph line */
5072
5073 if (fmt_check_par(lnum
5074#ifdef FEAT_COMMENTS
5075 , &next_leader_len, &next_leader_flags, do_comments
5076#endif
5077 ))
5078 return TRUE; /* "lnum" is not a paragraph line */
5079
5080 if (has_format_option(FO_WHITE_PAR) && !ends_in_white(lnum - 1))
5081 return TRUE; /* missing trailing space in previous line. */
5082
5083 if (has_format_option(FO_Q_NUMBER) && (get_number_indent(lnum) > 0))
5084 return TRUE; /* numbered item starts in "lnum". */
5085
5086#ifdef FEAT_COMMENTS
5087 if (!same_leader(lnum - 1, leader_len, leader_flags,
5088 next_leader_len, next_leader_flags))
5089 return TRUE; /* change of comment leader. */
5090#endif
5091
5092 return FALSE;
5093}
5094
5095#ifdef FEAT_VISUAL
5096/*
5097 * prepare a few things for block mode yank/delete/tilde
5098 *
5099 * for delete:
5100 * - textlen includes the first/last char to be (partly) deleted
5101 * - start/endspaces is the number of columns that are taken by the
5102 * first/last deleted char minus the number of columns that have to be
Bram Moolenaar9d77dcc2009-03-11 15:28:26 +00005103 * deleted.
5104 * for yank and tilde:
Bram Moolenaar071d4272004-06-13 20:20:40 +00005105 * - textlen includes the first/last char to be wholly yanked
5106 * - start/endspaces is the number of columns of the first/last yanked char
5107 * that are to be yanked.
5108 */
5109 static void
5110block_prep(oap, bdp, lnum, is_del)
5111 oparg_T *oap;
5112 struct block_def *bdp;
5113 linenr_T lnum;
5114 int is_del;
5115{
5116 int incr = 0;
5117 char_u *pend;
5118 char_u *pstart;
5119 char_u *line;
5120 char_u *prev_pstart;
5121 char_u *prev_pend;
5122
5123 bdp->startspaces = 0;
5124 bdp->endspaces = 0;
5125 bdp->textlen = 0;
5126 bdp->start_vcol = 0;
5127 bdp->end_vcol = 0;
5128#ifdef FEAT_VISUALEXTRA
5129 bdp->is_short = FALSE;
5130 bdp->is_oneChar = FALSE;
5131 bdp->pre_whitesp = 0;
5132 bdp->pre_whitesp_c = 0;
5133 bdp->end_char_vcols = 0;
5134#endif
5135 bdp->start_char_vcols = 0;
5136
5137 line = ml_get(lnum);
5138 pstart = line;
5139 prev_pstart = line;
5140 while (bdp->start_vcol < oap->start_vcol && *pstart)
5141 {
5142 /* Count a tab for what it's worth (if list mode not on) */
5143 incr = lbr_chartabsize(pstart, (colnr_T)bdp->start_vcol);
5144 bdp->start_vcol += incr;
5145#ifdef FEAT_VISUALEXTRA
5146 if (vim_iswhite(*pstart))
5147 {
5148 bdp->pre_whitesp += incr;
5149 bdp->pre_whitesp_c++;
5150 }
5151 else
5152 {
5153 bdp->pre_whitesp = 0;
5154 bdp->pre_whitesp_c = 0;
5155 }
5156#endif
5157 prev_pstart = pstart;
Bram Moolenaar1cd871b2004-12-19 22:46:22 +00005158 mb_ptr_adv(pstart);
Bram Moolenaar071d4272004-06-13 20:20:40 +00005159 }
5160 bdp->start_char_vcols = incr;
5161 if (bdp->start_vcol < oap->start_vcol) /* line too short */
5162 {
5163 bdp->end_vcol = bdp->start_vcol;
5164#ifdef FEAT_VISUALEXTRA
5165 bdp->is_short = TRUE;
5166#endif
5167 if (!is_del || oap->op_type == OP_APPEND)
5168 bdp->endspaces = oap->end_vcol - oap->start_vcol + 1;
5169 }
5170 else
5171 {
5172 /* notice: this converts partly selected Multibyte characters to
5173 * spaces, too. */
5174 bdp->startspaces = bdp->start_vcol - oap->start_vcol;
5175 if (is_del && bdp->startspaces)
5176 bdp->startspaces = bdp->start_char_vcols - bdp->startspaces;
5177 pend = pstart;
5178 bdp->end_vcol = bdp->start_vcol;
5179 if (bdp->end_vcol > oap->end_vcol) /* it's all in one character */
5180 {
5181#ifdef FEAT_VISUALEXTRA
5182 bdp->is_oneChar = TRUE;
5183#endif
5184 if (oap->op_type == OP_INSERT)
5185 bdp->endspaces = bdp->start_char_vcols - bdp->startspaces;
5186 else if (oap->op_type == OP_APPEND)
5187 {
5188 bdp->startspaces += oap->end_vcol - oap->start_vcol + 1;
5189 bdp->endspaces = bdp->start_char_vcols - bdp->startspaces;
5190 }
5191 else
5192 {
5193 bdp->startspaces = oap->end_vcol - oap->start_vcol + 1;
5194 if (is_del && oap->op_type != OP_LSHIFT)
5195 {
5196 /* just putting the sum of those two into
5197 * bdp->startspaces doesn't work for Visual replace,
5198 * so we have to split the tab in two */
5199 bdp->startspaces = bdp->start_char_vcols
5200 - (bdp->start_vcol - oap->start_vcol);
5201 bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1;
5202 }
5203 }
5204 }
5205 else
5206 {
5207 prev_pend = pend;
5208 while (bdp->end_vcol <= oap->end_vcol && *pend != NUL)
5209 {
5210 /* Count a tab for what it's worth (if list mode not on) */
5211 prev_pend = pend;
5212 incr = lbr_chartabsize_adv(&pend, (colnr_T)bdp->end_vcol);
5213 bdp->end_vcol += incr;
5214 }
5215 if (bdp->end_vcol <= oap->end_vcol
5216 && (!is_del
5217 || oap->op_type == OP_APPEND
5218 || oap->op_type == OP_REPLACE)) /* line too short */
5219 {
5220#ifdef FEAT_VISUALEXTRA
5221 bdp->is_short = TRUE;
5222#endif
5223 /* Alternative: include spaces to fill up the block.
5224 * Disadvantage: can lead to trailing spaces when the line is
5225 * short where the text is put */
5226 /* if (!is_del || oap->op_type == OP_APPEND) */
5227 if (oap->op_type == OP_APPEND || virtual_op)
5228 bdp->endspaces = oap->end_vcol - bdp->end_vcol
Bram Moolenaar2c7a29c2005-12-12 22:02:31 +00005229 + oap->inclusive;
Bram Moolenaar071d4272004-06-13 20:20:40 +00005230 else
5231 bdp->endspaces = 0; /* replace doesn't add characters */
5232 }
5233 else if (bdp->end_vcol > oap->end_vcol)
5234 {
5235 bdp->endspaces = bdp->end_vcol - oap->end_vcol - 1;
5236 if (!is_del && bdp->endspaces)
5237 {
5238 bdp->endspaces = incr - bdp->endspaces;
5239 if (pend != pstart)
5240 pend = prev_pend;
5241 }
5242 }
5243 }
5244#ifdef FEAT_VISUALEXTRA
5245 bdp->end_char_vcols = incr;
5246#endif
5247 if (is_del && bdp->startspaces)
5248 pstart = prev_pstart;
5249 bdp->textlen = (int)(pend - pstart);
5250 }
5251 bdp->textcol = (colnr_T) (pstart - line);
5252 bdp->textstart = pstart;
5253}
5254#endif /* FEAT_VISUAL */
5255
5256#ifdef FEAT_RIGHTLEFT
5257static void reverse_line __ARGS((char_u *s));
5258
5259 static void
5260reverse_line(s)
5261 char_u *s;
5262{
5263 int i, j;
5264 char_u c;
5265
5266 if ((i = (int)STRLEN(s) - 1) <= 0)
5267 return;
5268
5269 curwin->w_cursor.col = i - curwin->w_cursor.col;
5270 for (j = 0; j < i; j++, i--)
5271 {
5272 c = s[i]; s[i] = s[j]; s[j] = c;
5273 }
5274}
5275
5276# define RLADDSUBFIX(ptr) if (curwin->w_p_rl) reverse_line(ptr);
5277#else
5278# define RLADDSUBFIX(ptr)
5279#endif
5280
5281/*
5282 * add or subtract 'Prenum1' from a number in a line
5283 * 'command' is CTRL-A for add, CTRL-X for subtract
5284 *
5285 * return FAIL for failure, OK otherwise
5286 */
5287 int
5288do_addsub(command, Prenum1)
5289 int command;
5290 linenr_T Prenum1;
5291{
5292 int col;
5293 char_u *buf1;
5294 char_u buf2[NUMBUFLEN];
5295 int hex; /* 'X' or 'x': hex; '0': octal */
5296 static int hexupper = FALSE; /* 0xABC */
Bram Moolenaara93fa7e2006-04-17 22:14:47 +00005297 unsigned long n;
Bram Moolenaar071d4272004-06-13 20:20:40 +00005298 long_u oldn;
5299 char_u *ptr;
5300 int c;
5301 int length = 0; /* character length of the number */
5302 int todel;
5303 int dohex;
5304 int dooct;
5305 int doalp;
5306 int firstdigit;
5307 int negative;
5308 int subtract;
5309
5310 dohex = (vim_strchr(curbuf->b_p_nf, 'x') != NULL); /* "heX" */
5311 dooct = (vim_strchr(curbuf->b_p_nf, 'o') != NULL); /* "Octal" */
5312 doalp = (vim_strchr(curbuf->b_p_nf, 'p') != NULL); /* "alPha" */
5313
5314 ptr = ml_get_curline();
5315 RLADDSUBFIX(ptr);
5316
5317 /*
5318 * First check if we are on a hexadecimal number, after the "0x".
5319 */
5320 col = curwin->w_cursor.col;
5321 if (dohex)
5322 while (col > 0 && vim_isxdigit(ptr[col]))
5323 --col;
5324 if ( dohex
5325 && col > 0
5326 && (ptr[col] == 'X'
5327 || ptr[col] == 'x')
5328 && ptr[col - 1] == '0'
5329 && vim_isxdigit(ptr[col + 1]))
5330 {
5331 /*
5332 * Found hexadecimal number, move to its start.
5333 */
5334 --col;
5335 }
5336 else
5337 {
5338 /*
5339 * Search forward and then backward to find the start of number.
5340 */
5341 col = curwin->w_cursor.col;
5342
5343 while (ptr[col] != NUL
5344 && !vim_isdigit(ptr[col])
5345 && !(doalp && ASCII_ISALPHA(ptr[col])))
5346 ++col;
5347
5348 while (col > 0
5349 && vim_isdigit(ptr[col - 1])
5350 && !(doalp && ASCII_ISALPHA(ptr[col])))
5351 --col;
5352 }
5353
Bram Moolenaar071d4272004-06-13 20:20:40 +00005354 /*
5355 * If a number was found, and saving for undo works, replace the number.
5356 */
5357 firstdigit = ptr[col];
5358 RLADDSUBFIX(ptr);
5359 if ((!VIM_ISDIGIT(firstdigit) && !(doalp && ASCII_ISALPHA(firstdigit)))
5360 || u_save_cursor() != OK)
5361 {
5362 beep_flush();
5363 return FAIL;
5364 }
5365
5366 /* get ptr again, because u_save() may have changed it */
5367 ptr = ml_get_curline();
5368 RLADDSUBFIX(ptr);
5369
5370 if (doalp && ASCII_ISALPHA(firstdigit))
5371 {
5372 /* decrement or increment alphabetic character */
5373 if (command == Ctrl_X)
5374 {
5375 if (CharOrd(firstdigit) < Prenum1)
5376 {
5377 if (isupper(firstdigit))
5378 firstdigit = 'A';
5379 else
5380 firstdigit = 'a';
5381 }
5382 else
5383#ifdef EBCDIC
5384 firstdigit = EBCDIC_CHAR_ADD(firstdigit, -Prenum1);
5385#else
5386 firstdigit -= Prenum1;
5387#endif
5388 }
5389 else
5390 {
5391 if (26 - CharOrd(firstdigit) - 1 < Prenum1)
5392 {
5393 if (isupper(firstdigit))
5394 firstdigit = 'Z';
5395 else
5396 firstdigit = 'z';
5397 }
5398 else
5399#ifdef EBCDIC
5400 firstdigit = EBCDIC_CHAR_ADD(firstdigit, Prenum1);
5401#else
5402 firstdigit += Prenum1;
5403#endif
5404 }
5405 curwin->w_cursor.col = col;
5406 (void)del_char(FALSE);
5407 ins_char(firstdigit);
5408 }
5409 else
5410 {
5411 negative = FALSE;
5412 if (col > 0 && ptr[col - 1] == '-') /* negative number */
5413 {
5414 --col;
5415 negative = TRUE;
5416 }
5417
5418 /* get the number value (unsigned) */
5419 vim_str2nr(ptr + col, &hex, &length, dooct, dohex, NULL, &n);
5420
5421 /* ignore leading '-' for hex and octal numbers */
5422 if (hex && negative)
5423 {
5424 ++col;
5425 --length;
5426 negative = FALSE;
5427 }
5428
5429 /* add or subtract */
5430 subtract = FALSE;
5431 if (command == Ctrl_X)
5432 subtract ^= TRUE;
5433 if (negative)
5434 subtract ^= TRUE;
5435
5436 oldn = n;
5437 if (subtract)
5438 n -= (unsigned long)Prenum1;
5439 else
5440 n += (unsigned long)Prenum1;
5441
5442 /* handle wraparound for decimal numbers */
5443 if (!hex)
5444 {
5445 if (subtract)
5446 {
5447 if (n > oldn)
5448 {
5449 n = 1 + (n ^ (unsigned long)-1);
5450 negative ^= TRUE;
5451 }
5452 }
5453 else /* add */
5454 {
5455 if (n < oldn)
5456 {
5457 n = (n ^ (unsigned long)-1);
5458 negative ^= TRUE;
5459 }
5460 }
5461 if (n == 0)
5462 negative = FALSE;
5463 }
5464
5465 /*
5466 * Delete the old number.
5467 */
5468 curwin->w_cursor.col = col;
5469 todel = length;
5470 c = gchar_cursor();
5471 /*
5472 * Don't include the '-' in the length, only the length of the part
5473 * after it is kept the same.
5474 */
5475 if (c == '-')
5476 --length;
5477 while (todel-- > 0)
5478 {
5479 if (c < 0x100 && isalpha(c))
5480 {
5481 if (isupper(c))
5482 hexupper = TRUE;
5483 else
5484 hexupper = FALSE;
5485 }
5486 /* del_char() will mark line needing displaying */
5487 (void)del_char(FALSE);
5488 c = gchar_cursor();
5489 }
5490
5491 /*
5492 * Prepare the leading characters in buf1[].
5493 * When there are many leading zeros it could be very long. Allocate
5494 * a bit too much.
5495 */
5496 buf1 = alloc((unsigned)length + NUMBUFLEN);
5497 if (buf1 == NULL)
5498 return FAIL;
5499 ptr = buf1;
5500 if (negative)
5501 {
5502 *ptr++ = '-';
5503 }
5504 if (hex)
5505 {
5506 *ptr++ = '0';
5507 --length;
5508 }
5509 if (hex == 'x' || hex == 'X')
5510 {
5511 *ptr++ = hex;
5512 --length;
5513 }
5514
5515 /*
5516 * Put the number characters in buf2[].
5517 */
5518 if (hex == 0)
5519 sprintf((char *)buf2, "%lu", n);
5520 else if (hex == '0')
5521 sprintf((char *)buf2, "%lo", n);
5522 else if (hex && hexupper)
5523 sprintf((char *)buf2, "%lX", n);
5524 else
5525 sprintf((char *)buf2, "%lx", n);
5526 length -= (int)STRLEN(buf2);
5527
5528 /*
Bram Moolenaar1cd871b2004-12-19 22:46:22 +00005529 * Adjust number of zeros to the new number of digits, so the
5530 * total length of the number remains the same.
5531 * Don't do this when
5532 * the result may look like an octal number.
Bram Moolenaar071d4272004-06-13 20:20:40 +00005533 */
Bram Moolenaar1cd871b2004-12-19 22:46:22 +00005534 if (firstdigit == '0' && !(dooct && hex == 0))
Bram Moolenaar071d4272004-06-13 20:20:40 +00005535 while (length-- > 0)
5536 *ptr++ = '0';
5537 *ptr = NUL;
5538 STRCAT(buf1, buf2);
5539 ins_str(buf1); /* insert the new number */
5540 vim_free(buf1);
5541 }
5542 --curwin->w_cursor.col;
5543 curwin->w_set_curswant = TRUE;
5544#ifdef FEAT_RIGHTLEFT
5545 ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE);
5546 RLADDSUBFIX(ptr);
5547#endif
5548 return OK;
5549}
5550
5551#ifdef FEAT_VIMINFO
5552 int
5553read_viminfo_register(virp, force)
5554 vir_T *virp;
5555 int force;
5556{
5557 int eof;
5558 int do_it = TRUE;
5559 int size;
5560 int limit;
5561 int i;
5562 int set_prev = FALSE;
5563 char_u *str;
5564 char_u **array = NULL;
5565
5566 /* We only get here (hopefully) if line[0] == '"' */
5567 str = virp->vir_line + 1;
Bram Moolenaar42b94362009-05-26 16:12:37 +00005568
5569 /* If the line starts with "" this is the y_previous register. */
Bram Moolenaar071d4272004-06-13 20:20:40 +00005570 if (*str == '"')
5571 {
5572 set_prev = TRUE;
5573 str++;
5574 }
Bram Moolenaar42b94362009-05-26 16:12:37 +00005575
Bram Moolenaar071d4272004-06-13 20:20:40 +00005576 if (!ASCII_ISALNUM(*str) && *str != '-')
5577 {
5578 if (viminfo_error("E577: ", _("Illegal register name"), virp->vir_line))
5579 return TRUE; /* too many errors, pretend end-of-file */
5580 do_it = FALSE;
5581 }
5582 get_yank_register(*str++, FALSE);
5583 if (!force && y_current->y_array != NULL)
5584 do_it = FALSE;
Bram Moolenaar42b94362009-05-26 16:12:37 +00005585
5586 if (*str == '@')
5587 {
5588 /* "x@: register x used for @@ */
5589 if (force || execreg_lastc == NUL)
5590 execreg_lastc = str[-1];
5591 }
5592
Bram Moolenaar071d4272004-06-13 20:20:40 +00005593 size = 0;
5594 limit = 100; /* Optimized for registers containing <= 100 lines */
5595 if (do_it)
5596 {
5597 if (set_prev)
5598 y_previous = y_current;
5599 vim_free(y_current->y_array);
5600 array = y_current->y_array =
5601 (char_u **)alloc((unsigned)(limit * sizeof(char_u *)));
Bram Moolenaar42b94362009-05-26 16:12:37 +00005602 str = skipwhite(skiptowhite(str));
Bram Moolenaar071d4272004-06-13 20:20:40 +00005603 if (STRNCMP(str, "CHAR", 4) == 0)
5604 y_current->y_type = MCHAR;
5605#ifdef FEAT_VISUAL
5606 else if (STRNCMP(str, "BLOCK", 5) == 0)
5607 y_current->y_type = MBLOCK;
5608#endif
5609 else
5610 y_current->y_type = MLINE;
5611 /* get the block width; if it's missing we get a zero, which is OK */
5612 str = skipwhite(skiptowhite(str));
5613#ifdef FEAT_VISUAL
5614 y_current->y_width = getdigits(&str);
5615#else
5616 (void)getdigits(&str);
5617#endif
5618 }
5619
5620 while (!(eof = viminfo_readline(virp))
5621 && (virp->vir_line[0] == TAB || virp->vir_line[0] == '<'))
5622 {
5623 if (do_it)
5624 {
5625 if (size >= limit)
5626 {
5627 y_current->y_array = (char_u **)
5628 alloc((unsigned)(limit * 2 * sizeof(char_u *)));
5629 for (i = 0; i < limit; i++)
5630 y_current->y_array[i] = array[i];
5631 vim_free(array);
5632 limit *= 2;
5633 array = y_current->y_array;
5634 }
5635 str = viminfo_readstring(virp, 1, TRUE);
5636 if (str != NULL)
5637 array[size++] = str;
5638 else
5639 do_it = FALSE;
5640 }
5641 }
5642 if (do_it)
5643 {
5644 if (size == 0)
5645 {
5646 vim_free(array);
5647 y_current->y_array = NULL;
5648 }
5649 else if (size < limit)
5650 {
5651 y_current->y_array =
5652 (char_u **)alloc((unsigned)(size * sizeof(char_u *)));
5653 for (i = 0; i < size; i++)
5654 y_current->y_array[i] = array[i];
5655 vim_free(array);
5656 }
5657 y_current->y_size = size;
5658 }
5659 return eof;
5660}
5661
5662 void
5663write_viminfo_registers(fp)
5664 FILE *fp;
5665{
5666 int i, j;
5667 char_u *type;
5668 char_u c;
5669 int num_lines;
5670 int max_num_lines;
5671 int max_kbyte;
5672 long len;
5673
Bram Moolenaar64404472010-06-26 06:24:45 +02005674 fputs(_("\n# Registers:\n"), fp);
Bram Moolenaar071d4272004-06-13 20:20:40 +00005675
5676 /* Get '<' value, use old '"' value if '<' is not found. */
5677 max_num_lines = get_viminfo_parameter('<');
5678 if (max_num_lines < 0)
5679 max_num_lines = get_viminfo_parameter('"');
5680 if (max_num_lines == 0)
5681 return;
5682 max_kbyte = get_viminfo_parameter('s');
5683 if (max_kbyte == 0)
5684 return;
Bram Moolenaar42b94362009-05-26 16:12:37 +00005685
Bram Moolenaar071d4272004-06-13 20:20:40 +00005686 for (i = 0; i < NUM_REGISTERS; i++)
5687 {
5688 if (y_regs[i].y_array == NULL)
5689 continue;
5690#ifdef FEAT_CLIPBOARD
5691 /* Skip '*'/'+' register, we don't want them back next time */
5692 if (i == STAR_REGISTER || i == PLUS_REGISTER)
5693 continue;
5694#endif
5695#ifdef FEAT_DND
5696 /* Neither do we want the '~' register */
5697 if (i == TILDE_REGISTER)
5698 continue;
5699#endif
Bram Moolenaard7ee7ce2005-01-03 21:02:03 +00005700 /* Skip empty registers. */
Bram Moolenaar071d4272004-06-13 20:20:40 +00005701 num_lines = y_regs[i].y_size;
Bram Moolenaard7ee7ce2005-01-03 21:02:03 +00005702 if (num_lines == 0
5703 || (num_lines == 1 && y_regs[i].y_type == MCHAR
Bram Moolenaar64404472010-06-26 06:24:45 +02005704 && *y_regs[i].y_array[0] == NUL))
Bram Moolenaard7ee7ce2005-01-03 21:02:03 +00005705 continue;
5706
Bram Moolenaar071d4272004-06-13 20:20:40 +00005707 if (max_kbyte > 0)
5708 {
5709 /* Skip register if there is more text than the maximum size. */
5710 len = 0;
5711 for (j = 0; j < num_lines; j++)
Bram Moolenaara93fa7e2006-04-17 22:14:47 +00005712 len += (long)STRLEN(y_regs[i].y_array[j]) + 1L;
Bram Moolenaar071d4272004-06-13 20:20:40 +00005713 if (len > (long)max_kbyte * 1024L)
5714 continue;
5715 }
5716
5717 switch (y_regs[i].y_type)
5718 {
5719 case MLINE:
5720 type = (char_u *)"LINE";
5721 break;
5722 case MCHAR:
5723 type = (char_u *)"CHAR";
5724 break;
5725#ifdef FEAT_VISUAL
5726 case MBLOCK:
5727 type = (char_u *)"BLOCK";
5728 break;
5729#endif
5730 default:
5731 sprintf((char *)IObuff, _("E574: Unknown register type %d"),
Bram Moolenaar555b2802005-05-19 21:08:39 +00005732 y_regs[i].y_type);
Bram Moolenaar071d4272004-06-13 20:20:40 +00005733 emsg(IObuff);
5734 type = (char_u *)"LINE";
5735 break;
5736 }
5737 if (y_previous == &y_regs[i])
5738 fprintf(fp, "\"");
5739 c = get_register_name(i);
Bram Moolenaar42b94362009-05-26 16:12:37 +00005740 fprintf(fp, "\"%c", c);
5741 if (c == execreg_lastc)
5742 fprintf(fp, "@");
5743 fprintf(fp, "\t%s\t%d\n", type,
Bram Moolenaar071d4272004-06-13 20:20:40 +00005744#ifdef FEAT_VISUAL
5745 (int)y_regs[i].y_width
5746#else
5747 0
5748#endif
5749 );
5750
5751 /* If max_num_lines < 0, then we save ALL the lines in the register */
5752 if (max_num_lines > 0 && num_lines > max_num_lines)
5753 num_lines = max_num_lines;
5754 for (j = 0; j < num_lines; j++)
5755 {
5756 putc('\t', fp);
5757 viminfo_writestring(fp, y_regs[i].y_array[j]);
5758 }
5759 }
5760}
5761#endif /* FEAT_VIMINFO */
5762
5763#if defined(FEAT_CLIPBOARD) || defined(PROTO)
5764/*
5765 * SELECTION / PRIMARY ('*')
5766 *
5767 * Text selection stuff that uses the GUI selection register '*'. When using a
5768 * GUI this may be text from another window, otherwise it is the last text we
5769 * had highlighted with VIsual mode. With mouse support, clicking the middle
5770 * button performs the paste, otherwise you will need to do <"*p>. "
5771 * If not under X, it is synonymous with the clipboard register '+'.
5772 *
5773 * X CLIPBOARD ('+')
5774 *
5775 * Text selection stuff that uses the GUI clipboard register '+'.
5776 * Under X, this matches the standard cut/paste buffer CLIPBOARD selection.
5777 * It will be used for unnamed cut/pasting is 'clipboard' contains "unnamed",
5778 * otherwise you will need to do <"+p>. "
5779 * If not under X, it is synonymous with the selection register '*'.
5780 */
5781
5782/*
5783 * Routine to export any final X selection we had to the environment
5784 * so that the text is still available after vim has exited. X selections
5785 * only exist while the owning application exists, so we write to the
5786 * permanent (while X runs) store CUT_BUFFER0.
5787 * Dump the CLIPBOARD selection if we own it (it's logically the more
5788 * 'permanent' of the two), otherwise the PRIMARY one.
5789 * For now, use a hard-coded sanity limit of 1Mb of data.
5790 */
5791#if defined(FEAT_X11) && defined(FEAT_CLIPBOARD)
5792 void
5793x11_export_final_selection()
5794{
5795 Display *dpy;
5796 char_u *str = NULL;
5797 long_u len = 0;
5798 int motion_type = -1;
5799
5800# ifdef FEAT_GUI
5801 if (gui.in_use)
5802 dpy = X_DISPLAY;
5803 else
5804# endif
5805# ifdef FEAT_XCLIPBOARD
5806 dpy = xterm_dpy;
5807# else
5808 return;
5809# endif
5810
5811 /* Get selection to export */
5812 if (clip_plus.owned)
5813 motion_type = clip_convert_selection(&str, &len, &clip_plus);
5814 else if (clip_star.owned)
5815 motion_type = clip_convert_selection(&str, &len, &clip_star);
5816
5817 /* Check it's OK */
5818 if (dpy != NULL && str != NULL && motion_type >= 0
5819 && len < 1024*1024 && len > 0)
5820 {
Bram Moolenaarbbc936b2009-07-01 16:04:58 +00005821#ifdef FEAT_MBYTE
5822 /* The CUT_BUFFER0 is supposed to always contain latin1. Convert from
5823 * 'enc' when it is a multi-byte encoding. When 'enc' is an 8-bit
5824 * encoding conversion usually doesn't work, so keep the text as-is.
5825 */
5826 if (has_mbyte)
5827 {
Bram Moolenaarbbc936b2009-07-01 16:04:58 +00005828 vimconv_T vc;
5829
5830 vc.vc_type = CONV_NONE;
5831 if (convert_setup(&vc, p_enc, (char_u *)"latin1") == OK)
5832 {
Bram Moolenaar2660c0e2010-01-19 14:59:56 +01005833 int intlen = len;
5834 char_u *conv_str;
Bram Moolenaar331dafd2009-11-25 11:38:30 +00005835
5836 conv_str = string_convert(&vc, str, &intlen);
5837 len = intlen;
Bram Moolenaarbbc936b2009-07-01 16:04:58 +00005838 if (conv_str != NULL)
5839 {
5840 vim_free(str);
5841 str = conv_str;
5842 }
5843 convert_setup(&vc, NULL, NULL);
5844 }
5845 }
5846#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00005847 XStoreBuffer(dpy, (char *)str, (int)len, 0);
5848 XFlush(dpy);
5849 }
5850
5851 vim_free(str);
5852}
5853#endif
5854
5855 void
5856clip_free_selection(cbd)
5857 VimClipboard *cbd;
5858{
5859 struct yankreg *y_ptr = y_current;
5860
5861 if (cbd == &clip_plus)
5862 y_current = &y_regs[PLUS_REGISTER];
5863 else
5864 y_current = &y_regs[STAR_REGISTER];
5865 free_yank_all();
5866 y_current->y_size = 0;
5867 y_current = y_ptr;
5868}
5869
5870/*
5871 * Get the selected text and put it in the gui selection register '*' or '+'.
5872 */
5873 void
5874clip_get_selection(cbd)
5875 VimClipboard *cbd;
5876{
5877 struct yankreg *old_y_previous, *old_y_current;
5878 pos_T old_cursor;
5879#ifdef FEAT_VISUAL
5880 pos_T old_visual;
5881 int old_visual_mode;
5882#endif
5883 colnr_T old_curswant;
5884 int old_set_curswant;
5885 pos_T old_op_start, old_op_end;
5886 oparg_T oa;
5887 cmdarg_T ca;
5888
5889 if (cbd->owned)
5890 {
5891 if ((cbd == &clip_plus && y_regs[PLUS_REGISTER].y_array != NULL)
5892 || (cbd == &clip_star && y_regs[STAR_REGISTER].y_array != NULL))
5893 return;
5894
5895 /* Get the text between clip_star.start & clip_star.end */
5896 old_y_previous = y_previous;
5897 old_y_current = y_current;
5898 old_cursor = curwin->w_cursor;
5899 old_curswant = curwin->w_curswant;
5900 old_set_curswant = curwin->w_set_curswant;
5901 old_op_start = curbuf->b_op_start;
5902 old_op_end = curbuf->b_op_end;
5903#ifdef FEAT_VISUAL
5904 old_visual = VIsual;
5905 old_visual_mode = VIsual_mode;
5906#endif
5907 clear_oparg(&oa);
5908 oa.regname = (cbd == &clip_plus ? '+' : '*');
5909 oa.op_type = OP_YANK;
5910 vim_memset(&ca, 0, sizeof(ca));
5911 ca.oap = &oa;
5912 ca.cmdchar = 'y';
5913 ca.count1 = 1;
5914 ca.retval = CA_NO_ADJ_OP_END;
5915 do_pending_operator(&ca, 0, TRUE);
5916 y_previous = old_y_previous;
5917 y_current = old_y_current;
5918 curwin->w_cursor = old_cursor;
Bram Moolenaar5c8837f2006-02-25 21:52:33 +00005919 changed_cline_bef_curs(); /* need to update w_virtcol et al */
Bram Moolenaar071d4272004-06-13 20:20:40 +00005920 curwin->w_curswant = old_curswant;
5921 curwin->w_set_curswant = old_set_curswant;
5922 curbuf->b_op_start = old_op_start;
5923 curbuf->b_op_end = old_op_end;
5924#ifdef FEAT_VISUAL
5925 VIsual = old_visual;
5926 VIsual_mode = old_visual_mode;
5927#endif
5928 }
5929 else
5930 {
5931 clip_free_selection(cbd);
5932
5933 /* Try to get selected text from another window */
5934 clip_gen_request_selection(cbd);
5935 }
5936}
5937
Bram Moolenaard44347f2011-06-19 01:14:29 +02005938/*
5939 * Convert from the GUI selection string into the '*'/'+' register.
5940 */
Bram Moolenaar071d4272004-06-13 20:20:40 +00005941 void
5942clip_yank_selection(type, str, len, cbd)
5943 int type;
5944 char_u *str;
5945 long len;
5946 VimClipboard *cbd;
5947{
5948 struct yankreg *y_ptr;
5949
5950 if (cbd == &clip_plus)
5951 y_ptr = &y_regs[PLUS_REGISTER];
5952 else
5953 y_ptr = &y_regs[STAR_REGISTER];
5954
5955 clip_free_selection(cbd);
5956
5957 str_to_reg(y_ptr, type, str, len, 0L);
5958}
5959
5960/*
5961 * Convert the '*'/'+' register into a GUI selection string returned in *str
5962 * with length *len.
5963 * Returns the motion type, or -1 for failure.
5964 */
5965 int
5966clip_convert_selection(str, len, cbd)
5967 char_u **str;
5968 long_u *len;
5969 VimClipboard *cbd;
5970{
5971 char_u *p;
5972 int lnum;
5973 int i, j;
5974 int_u eolsize;
5975 struct yankreg *y_ptr;
5976
5977 if (cbd == &clip_plus)
5978 y_ptr = &y_regs[PLUS_REGISTER];
5979 else
5980 y_ptr = &y_regs[STAR_REGISTER];
5981
5982#ifdef USE_CRNL
5983 eolsize = 2;
5984#else
5985 eolsize = 1;
5986#endif
5987
5988 *str = NULL;
5989 *len = 0;
5990 if (y_ptr->y_array == NULL)
5991 return -1;
5992
5993 for (i = 0; i < y_ptr->y_size; i++)
5994 *len += (long_u)STRLEN(y_ptr->y_array[i]) + eolsize;
5995
5996 /*
5997 * Don't want newline character at end of last line if we're in MCHAR mode.
5998 */
5999 if (y_ptr->y_type == MCHAR && *len >= eolsize)
6000 *len -= eolsize;
6001
6002 p = *str = lalloc(*len + 1, TRUE); /* add one to avoid zero */
6003 if (p == NULL)
6004 return -1;
6005 lnum = 0;
6006 for (i = 0, j = 0; i < (int)*len; i++, j++)
6007 {
6008 if (y_ptr->y_array[lnum][j] == '\n')
6009 p[i] = NUL;
6010 else if (y_ptr->y_array[lnum][j] == NUL)
6011 {
6012#ifdef USE_CRNL
6013 p[i++] = '\r';
6014#endif
6015#ifdef USE_CR
6016 p[i] = '\r';
6017#else
6018 p[i] = '\n';
6019#endif
6020 lnum++;
6021 j = -1;
6022 }
6023 else
6024 p[i] = y_ptr->y_array[lnum][j];
6025 }
6026 return y_ptr->y_type;
6027}
6028
6029
6030# if defined(FEAT_VISUAL) || defined(FEAT_EVAL)
6031/*
6032 * If we have written to a clipboard register, send the text to the clipboard.
6033 */
6034 static void
6035may_set_selection()
6036{
6037 if (y_current == &(y_regs[STAR_REGISTER]) && clip_star.available)
6038 {
6039 clip_own_selection(&clip_star);
6040 clip_gen_set_selection(&clip_star);
6041 }
6042 else if (y_current == &(y_regs[PLUS_REGISTER]) && clip_plus.available)
6043 {
6044 clip_own_selection(&clip_plus);
6045 clip_gen_set_selection(&clip_plus);
6046 }
6047}
6048# endif
6049
6050#endif /* FEAT_CLIPBOARD || PROTO */
6051
6052
6053#if defined(FEAT_DND) || defined(PROTO)
6054/*
6055 * Replace the contents of the '~' register with str.
6056 */
6057 void
6058dnd_yank_drag_data(str, len)
6059 char_u *str;
6060 long len;
6061{
6062 struct yankreg *curr;
6063
6064 curr = y_current;
6065 y_current = &y_regs[TILDE_REGISTER];
6066 free_yank_all();
6067 str_to_reg(y_current, MCHAR, str, len, 0L);
6068 y_current = curr;
6069}
6070#endif
6071
6072
6073#if defined(FEAT_EVAL) || defined(PROTO)
6074/*
6075 * Return the type of a register.
6076 * Used for getregtype()
6077 * Returns MAUTO for error.
6078 */
6079 char_u
6080get_reg_type(regname, reglen)
6081 int regname;
6082 long *reglen;
6083{
6084 switch (regname)
6085 {
6086 case '%': /* file name */
6087 case '#': /* alternate file name */
6088 case '=': /* expression */
6089 case ':': /* last command line */
6090 case '/': /* last search-pattern */
6091 case '.': /* last inserted text */
6092#ifdef FEAT_SEARCHPATH
6093 case Ctrl_F: /* Filename under cursor */
6094 case Ctrl_P: /* Path under cursor, expand via "path" */
6095#endif
6096 case Ctrl_W: /* word under cursor */
6097 case Ctrl_A: /* WORD (mnemonic All) under cursor */
6098 case '_': /* black hole: always empty */
6099 return MCHAR;
6100 }
6101
6102#ifdef FEAT_CLIPBOARD
6103 regname = may_get_selection(regname);
6104#endif
6105
6106 /* Should we check for a valid name? */
6107 get_yank_register(regname, FALSE);
6108
6109 if (y_current->y_array != NULL)
6110 {
6111#ifdef FEAT_VISUAL
6112 if (reglen != NULL && y_current->y_type == MBLOCK)
6113 *reglen = y_current->y_width;
6114#endif
6115 return y_current->y_type;
6116 }
6117 return MAUTO;
6118}
6119
6120/*
6121 * Return the contents of a register as a single allocated string.
6122 * Used for "@r" in expressions and for getreg().
6123 * Returns NULL for error.
6124 */
6125 char_u *
Bram Moolenaarde934d72005-05-22 22:09:40 +00006126get_reg_contents(regname, allowexpr, expr_src)
Bram Moolenaar071d4272004-06-13 20:20:40 +00006127 int regname;
Bram Moolenaarde934d72005-05-22 22:09:40 +00006128 int allowexpr; /* allow "=" register */
6129 int expr_src; /* get expression for "=" register */
Bram Moolenaar071d4272004-06-13 20:20:40 +00006130{
6131 long i;
6132 char_u *retval;
6133 int allocated;
6134 long len;
6135
6136 /* Don't allow using an expression register inside an expression */
6137 if (regname == '=')
6138 {
6139 if (allowexpr)
Bram Moolenaarde934d72005-05-22 22:09:40 +00006140 {
6141 if (expr_src)
6142 return get_expr_line_src();
Bram Moolenaar071d4272004-06-13 20:20:40 +00006143 return get_expr_line();
Bram Moolenaarde934d72005-05-22 22:09:40 +00006144 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00006145 return NULL;
6146 }
6147
6148 if (regname == '@') /* "@@" is used for unnamed register */
6149 regname = '"';
6150
6151 /* check for valid regname */
6152 if (regname != NUL && !valid_yank_reg(regname, FALSE))
6153 return NULL;
6154
6155#ifdef FEAT_CLIPBOARD
6156 regname = may_get_selection(regname);
6157#endif
6158
6159 if (get_spec_reg(regname, &retval, &allocated, FALSE))
6160 {
6161 if (retval == NULL)
6162 return NULL;
6163 if (!allocated)
6164 retval = vim_strsave(retval);
6165 return retval;
6166 }
6167
6168 get_yank_register(regname, FALSE);
6169 if (y_current->y_array == NULL)
6170 return NULL;
6171
6172 /*
6173 * Compute length of resulting string.
6174 */
6175 len = 0;
6176 for (i = 0; i < y_current->y_size; ++i)
6177 {
6178 len += (long)STRLEN(y_current->y_array[i]);
6179 /*
6180 * Insert a newline between lines and after last line if
6181 * y_type is MLINE.
6182 */
6183 if (y_current->y_type == MLINE || i < y_current->y_size - 1)
6184 ++len;
6185 }
6186
6187 retval = lalloc(len + 1, TRUE);
6188
6189 /*
6190 * Copy the lines of the yank register into the string.
6191 */
6192 if (retval != NULL)
6193 {
6194 len = 0;
6195 for (i = 0; i < y_current->y_size; ++i)
6196 {
6197 STRCPY(retval + len, y_current->y_array[i]);
6198 len += (long)STRLEN(retval + len);
6199
6200 /*
6201 * Insert a NL between lines and after the last line if y_type is
6202 * MLINE.
6203 */
6204 if (y_current->y_type == MLINE || i < y_current->y_size - 1)
6205 retval[len++] = '\n';
6206 }
6207 retval[len] = NUL;
6208 }
6209
6210 return retval;
6211}
6212
6213/*
6214 * Store string "str" in register "name".
6215 * "maxlen" is the maximum number of bytes to use, -1 for all bytes.
6216 * If "must_append" is TRUE, always append to the register. Otherwise append
6217 * if "name" is an uppercase letter.
6218 * Note: "maxlen" and "must_append" don't work for the "/" register.
6219 * Careful: 'str' is modified, you may have to use a copy!
6220 * If "str" ends in '\n' or '\r', use linewise, otherwise use characterwise.
6221 */
6222 void
6223write_reg_contents(name, str, maxlen, must_append)
6224 int name;
6225 char_u *str;
6226 int maxlen;
6227 int must_append;
6228{
6229 write_reg_contents_ex(name, str, maxlen, must_append, MAUTO, 0L);
6230}
6231
6232 void
6233write_reg_contents_ex(name, str, maxlen, must_append, yank_type, block_len)
6234 int name;
6235 char_u *str;
6236 int maxlen;
6237 int must_append;
6238 int yank_type;
6239 long block_len;
6240{
6241 struct yankreg *old_y_previous, *old_y_current;
6242 long len;
6243
Bram Moolenaare7566042005-06-17 22:00:15 +00006244 if (maxlen >= 0)
6245 len = maxlen;
6246 else
6247 len = (long)STRLEN(str);
6248
Bram Moolenaar071d4272004-06-13 20:20:40 +00006249 /* Special case: '/' search pattern */
6250 if (name == '/')
6251 {
6252 set_last_search_pat(str, RE_SEARCH, TRUE, TRUE);
6253 return;
6254 }
6255
Bram Moolenaare7566042005-06-17 22:00:15 +00006256#ifdef FEAT_EVAL
6257 if (name == '=')
6258 {
6259 char_u *p, *s;
6260
6261 p = vim_strnsave(str, (int)len);
6262 if (p == NULL)
6263 return;
6264 if (must_append)
6265 {
6266 s = concat_str(get_expr_line_src(), p);
6267 vim_free(p);
6268 p = s;
6269
6270 }
6271 set_expr_line(p);
6272 return;
6273 }
6274#endif
6275
Bram Moolenaar071d4272004-06-13 20:20:40 +00006276 if (!valid_yank_reg(name, TRUE)) /* check for valid reg name */
6277 {
Bram Moolenaar26a60b42005-02-22 08:49:11 +00006278 emsg_invreg(name);
Bram Moolenaar071d4272004-06-13 20:20:40 +00006279 return;
6280 }
6281
6282 if (name == '_') /* black hole: nothing to do */
6283 return;
6284
6285 /* Don't want to change the current (unnamed) register */
6286 old_y_previous = y_previous;
6287 old_y_current = y_current;
6288
6289 get_yank_register(name, TRUE);
6290 if (!y_append && !must_append)
6291 free_yank_all();
Bram Moolenaar071d4272004-06-13 20:20:40 +00006292#ifndef FEAT_VISUAL
6293 /* Just in case - make sure we don't use MBLOCK */
6294 if (yank_type == MBLOCK)
6295 yank_type = MAUTO;
6296#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00006297 str_to_reg(y_current, yank_type, str, len, block_len);
6298
6299# ifdef FEAT_CLIPBOARD
6300 /* Send text of clipboard register to the clipboard. */
6301 may_set_selection();
6302# endif
6303
6304 /* ':let @" = "val"' should change the meaning of the "" register */
6305 if (name != '"')
6306 y_previous = old_y_previous;
6307 y_current = old_y_current;
6308}
6309#endif /* FEAT_EVAL */
6310
6311#if defined(FEAT_CLIPBOARD) || defined(FEAT_EVAL)
6312/*
6313 * Put a string into a register. When the register is not empty, the string
6314 * is appended.
6315 */
6316 static void
Bram Moolenaard44347f2011-06-19 01:14:29 +02006317str_to_reg(y_ptr, yank_type, str, len, blocklen)
Bram Moolenaar071d4272004-06-13 20:20:40 +00006318 struct yankreg *y_ptr; /* pointer to yank register */
Bram Moolenaard44347f2011-06-19 01:14:29 +02006319 int yank_type; /* MCHAR, MLINE, MBLOCK, MAUTO */
Bram Moolenaar071d4272004-06-13 20:20:40 +00006320 char_u *str; /* string to put in register */
6321 long len; /* length of string */
6322 long blocklen; /* width of Visual block */
6323{
Bram Moolenaard44347f2011-06-19 01:14:29 +02006324 int type; /* MCHAR, MLINE or MBLOCK */
Bram Moolenaar071d4272004-06-13 20:20:40 +00006325 int lnum;
6326 long start;
6327 long i;
6328 int extra;
6329 int newlines; /* number of lines added */
6330 int extraline = 0; /* extra line at the end */
6331 int append = FALSE; /* append to last line in register */
6332 char_u *s;
6333 char_u **pp;
6334#ifdef FEAT_VISUAL
6335 long maxlen;
6336#endif
6337
Bram Moolenaarcde547a2009-11-17 11:43:06 +00006338 if (y_ptr->y_array == NULL) /* NULL means empty register */
Bram Moolenaar071d4272004-06-13 20:20:40 +00006339 y_ptr->y_size = 0;
6340
Bram Moolenaard44347f2011-06-19 01:14:29 +02006341 if (yank_type == MAUTO)
6342 type = ((len > 0 && (str[len - 1] == NL || str[len - 1] == CAR))
6343 ? MLINE : MCHAR);
6344 else
6345 type = yank_type;
6346
Bram Moolenaar071d4272004-06-13 20:20:40 +00006347 /*
6348 * Count the number of lines within the string
6349 */
6350 newlines = 0;
6351 for (i = 0; i < len; i++)
6352 if (str[i] == '\n')
6353 ++newlines;
6354 if (type == MCHAR || len == 0 || str[len - 1] != '\n')
6355 {
6356 extraline = 1;
6357 ++newlines; /* count extra newline at the end */
6358 }
6359 if (y_ptr->y_size > 0 && y_ptr->y_type == MCHAR)
6360 {
6361 append = TRUE;
6362 --newlines; /* uncount newline when appending first line */
6363 }
6364
6365 /*
6366 * Allocate an array to hold the pointers to the new register lines.
6367 * If the register was not empty, move the existing lines to the new array.
6368 */
6369 pp = (char_u **)lalloc_clear((y_ptr->y_size + newlines)
6370 * sizeof(char_u *), TRUE);
6371 if (pp == NULL) /* out of memory */
6372 return;
6373 for (lnum = 0; lnum < y_ptr->y_size; ++lnum)
6374 pp[lnum] = y_ptr->y_array[lnum];
6375 vim_free(y_ptr->y_array);
6376 y_ptr->y_array = pp;
6377#ifdef FEAT_VISUAL
6378 maxlen = 0;
6379#endif
6380
6381 /*
6382 * Find the end of each line and save it into the array.
6383 */
6384 for (start = 0; start < len + extraline; start += i + 1)
6385 {
6386 for (i = start; i < len; ++i) /* find the end of the line */
6387 if (str[i] == '\n')
6388 break;
6389 i -= start; /* i is now length of line */
6390#ifdef FEAT_VISUAL
6391 if (i > maxlen)
6392 maxlen = i;
6393#endif
6394 if (append)
6395 {
6396 --lnum;
6397 extra = (int)STRLEN(y_ptr->y_array[lnum]);
6398 }
6399 else
6400 extra = 0;
6401 s = alloc((unsigned)(i + extra + 1));
6402 if (s == NULL)
6403 break;
6404 if (extra)
6405 mch_memmove(s, y_ptr->y_array[lnum], (size_t)extra);
6406 if (append)
6407 vim_free(y_ptr->y_array[lnum]);
6408 if (i)
6409 mch_memmove(s + extra, str + start, (size_t)i);
6410 extra += i;
6411 s[extra] = NUL;
6412 y_ptr->y_array[lnum++] = s;
6413 while (--extra >= 0)
6414 {
6415 if (*s == NUL)
6416 *s = '\n'; /* replace NUL with newline */
6417 ++s;
6418 }
6419 append = FALSE; /* only first line is appended */
6420 }
6421 y_ptr->y_type = type;
6422 y_ptr->y_size = lnum;
6423# ifdef FEAT_VISUAL
6424 if (type == MBLOCK)
6425 y_ptr->y_width = (blocklen < 0 ? maxlen - 1 : blocklen);
6426 else
6427 y_ptr->y_width = 0;
6428# endif
6429}
6430#endif /* FEAT_CLIPBOARD || FEAT_EVAL || PROTO */
6431
6432 void
6433clear_oparg(oap)
6434 oparg_T *oap;
6435{
6436 vim_memset(oap, 0, sizeof(oparg_T));
6437}
6438
Bram Moolenaar7c626922005-02-07 22:01:03 +00006439static long line_count_info __ARGS((char_u *line, long *wc, long *cc, long limit, int eol_size));
Bram Moolenaar071d4272004-06-13 20:20:40 +00006440
6441/*
Bram Moolenaar7c626922005-02-07 22:01:03 +00006442 * Count the number of bytes, characters and "words" in a line.
Bram Moolenaar071d4272004-06-13 20:20:40 +00006443 *
6444 * "Words" are counted by looking for boundaries between non-space and
6445 * space characters. (it seems to produce results that match 'wc'.)
6446 *
Bram Moolenaar7c626922005-02-07 22:01:03 +00006447 * Return value is byte count; word count for the line is added to "*wc".
6448 * Char count is added to "*cc".
Bram Moolenaar071d4272004-06-13 20:20:40 +00006449 *
6450 * The function will only examine the first "limit" characters in the
6451 * line, stopping if it encounters an end-of-line (NUL byte). In that
6452 * case, eol_size will be added to the character count to account for
6453 * the size of the EOL character.
6454 */
6455 static long
Bram Moolenaar7c626922005-02-07 22:01:03 +00006456line_count_info(line, wc, cc, limit, eol_size)
Bram Moolenaar071d4272004-06-13 20:20:40 +00006457 char_u *line;
6458 long *wc;
Bram Moolenaar7c626922005-02-07 22:01:03 +00006459 long *cc;
Bram Moolenaar071d4272004-06-13 20:20:40 +00006460 long limit;
6461 int eol_size;
6462{
Bram Moolenaar7c626922005-02-07 22:01:03 +00006463 long i;
6464 long words = 0;
6465 long chars = 0;
Bram Moolenaar071d4272004-06-13 20:20:40 +00006466 int is_word = 0;
6467
Bram Moolenaar88b1ba12012-06-29 13:34:19 +02006468 for (i = 0; i < limit && line[i] != NUL; )
Bram Moolenaar071d4272004-06-13 20:20:40 +00006469 {
6470 if (is_word)
6471 {
6472 if (vim_isspace(line[i]))
6473 {
6474 words++;
6475 is_word = 0;
6476 }
6477 }
6478 else if (!vim_isspace(line[i]))
6479 is_word = 1;
Bram Moolenaar7c626922005-02-07 22:01:03 +00006480 ++chars;
6481#ifdef FEAT_MBYTE
Bram Moolenaar0fa313a2005-08-10 21:07:57 +00006482 i += (*mb_ptr2len)(line + i);
Bram Moolenaar7c626922005-02-07 22:01:03 +00006483#else
6484 ++i;
6485#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00006486 }
6487
6488 if (is_word)
6489 words++;
6490 *wc += words;
6491
6492 /* Add eol_size if the end of line was reached before hitting limit. */
Bram Moolenaar1cb7e092011-08-10 12:11:01 +02006493 if (i < limit && line[i] == NUL)
Bram Moolenaar7c626922005-02-07 22:01:03 +00006494 {
Bram Moolenaar071d4272004-06-13 20:20:40 +00006495 i += eol_size;
Bram Moolenaar7c626922005-02-07 22:01:03 +00006496 chars += eol_size;
6497 }
6498 *cc += chars;
Bram Moolenaar071d4272004-06-13 20:20:40 +00006499 return i;
6500}
6501
6502/*
6503 * Give some info about the position of the cursor (for "g CTRL-G").
6504 * In Visual mode, give some info about the selected region. (In this case,
6505 * the *_count_cursor variables store running totals for the selection.)
6506 */
6507 void
6508cursor_pos_info()
6509{
6510 char_u *p;
Bram Moolenaar555b2802005-05-19 21:08:39 +00006511 char_u buf1[50];
6512 char_u buf2[40];
Bram Moolenaar071d4272004-06-13 20:20:40 +00006513 linenr_T lnum;
Bram Moolenaar7c626922005-02-07 22:01:03 +00006514 long byte_count = 0;
6515 long byte_count_cursor = 0;
Bram Moolenaar071d4272004-06-13 20:20:40 +00006516 long char_count = 0;
6517 long char_count_cursor = 0;
Bram Moolenaar071d4272004-06-13 20:20:40 +00006518 long word_count = 0;
6519 long word_count_cursor = 0;
Bram Moolenaar7c626922005-02-07 22:01:03 +00006520 int eol_size;
6521 long last_check = 100000L;
Bram Moolenaar071d4272004-06-13 20:20:40 +00006522#ifdef FEAT_VISUAL
6523 long line_count_selected = 0;
6524 pos_T min_pos, max_pos;
6525 oparg_T oparg;
6526 struct block_def bd;
6527#endif
6528
6529 /*
6530 * Compute the length of the file in characters.
6531 */
6532 if (curbuf->b_ml.ml_flags & ML_EMPTY)
6533 {
6534 MSG(_(no_lines_msg));
6535 }
6536 else
6537 {
6538 if (get_fileformat(curbuf) == EOL_DOS)
6539 eol_size = 2;
6540 else
6541 eol_size = 1;
6542
6543#ifdef FEAT_VISUAL
6544 if (VIsual_active)
6545 {
6546 if (lt(VIsual, curwin->w_cursor))
6547 {
6548 min_pos = VIsual;
6549 max_pos = curwin->w_cursor;
6550 }
6551 else
6552 {
6553 min_pos = curwin->w_cursor;
6554 max_pos = VIsual;
6555 }
6556 if (*p_sel == 'e' && max_pos.col > 0)
6557 --max_pos.col;
6558
6559 if (VIsual_mode == Ctrl_V)
6560 {
Bram Moolenaar81d00072009-04-29 15:41:40 +00006561#ifdef FEAT_LINEBREAK
6562 char_u * saved_sbr = p_sbr;
6563
6564 /* Make 'sbr' empty for a moment to get the correct size. */
6565 p_sbr = empty_option;
6566#endif
Bram Moolenaar071d4272004-06-13 20:20:40 +00006567 oparg.is_VIsual = 1;
6568 oparg.block_mode = TRUE;
6569 oparg.op_type = OP_NOP;
6570 getvcols(curwin, &min_pos, &max_pos,
Bram Moolenaar5c8837f2006-02-25 21:52:33 +00006571 &oparg.start_vcol, &oparg.end_vcol);
Bram Moolenaar81d00072009-04-29 15:41:40 +00006572#ifdef FEAT_LINEBREAK
6573 p_sbr = saved_sbr;
6574#endif
Bram Moolenaar5c8837f2006-02-25 21:52:33 +00006575 if (curwin->w_curswant == MAXCOL)
6576 oparg.end_vcol = MAXCOL;
Bram Moolenaar071d4272004-06-13 20:20:40 +00006577 /* Swap the start, end vcol if needed */
6578 if (oparg.end_vcol < oparg.start_vcol)
6579 {
6580 oparg.end_vcol += oparg.start_vcol;
6581 oparg.start_vcol = oparg.end_vcol - oparg.start_vcol;
6582 oparg.end_vcol -= oparg.start_vcol;
6583 }
6584 }
6585 line_count_selected = max_pos.lnum - min_pos.lnum + 1;
6586 }
6587#endif
6588
6589 for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum)
6590 {
6591 /* Check for a CTRL-C every 100000 characters. */
Bram Moolenaar7c626922005-02-07 22:01:03 +00006592 if (byte_count > last_check)
Bram Moolenaar071d4272004-06-13 20:20:40 +00006593 {
6594 ui_breakcheck();
6595 if (got_int)
6596 return;
Bram Moolenaar7c626922005-02-07 22:01:03 +00006597 last_check = byte_count + 100000L;
Bram Moolenaar071d4272004-06-13 20:20:40 +00006598 }
6599
6600#ifdef FEAT_VISUAL
6601 /* Do extra processing for VIsual mode. */
6602 if (VIsual_active
6603 && lnum >= min_pos.lnum && lnum <= max_pos.lnum)
6604 {
Bram Moolenaardef9e822004-12-31 20:58:58 +00006605 char_u *s = NULL;
6606 long len = 0L;
6607
Bram Moolenaar071d4272004-06-13 20:20:40 +00006608 switch (VIsual_mode)
6609 {
6610 case Ctrl_V:
6611# ifdef FEAT_VIRTUALEDIT
6612 virtual_op = virtual_active();
6613# endif
6614 block_prep(&oparg, &bd, lnum, 0);
6615# ifdef FEAT_VIRTUALEDIT
6616 virtual_op = MAYBE;
6617# endif
Bram Moolenaardef9e822004-12-31 20:58:58 +00006618 s = bd.textstart;
6619 len = (long)bd.textlen;
Bram Moolenaar071d4272004-06-13 20:20:40 +00006620 break;
6621 case 'V':
Bram Moolenaardef9e822004-12-31 20:58:58 +00006622 s = ml_get(lnum);
6623 len = MAXCOL;
Bram Moolenaar071d4272004-06-13 20:20:40 +00006624 break;
6625 case 'v':
6626 {
6627 colnr_T start_col = (lnum == min_pos.lnum)
6628 ? min_pos.col : 0;
6629 colnr_T end_col = (lnum == max_pos.lnum)
6630 ? max_pos.col - start_col + 1 : MAXCOL;
6631
Bram Moolenaardef9e822004-12-31 20:58:58 +00006632 s = ml_get(lnum) + start_col;
6633 len = end_col;
Bram Moolenaar071d4272004-06-13 20:20:40 +00006634 }
6635 break;
6636 }
Bram Moolenaardef9e822004-12-31 20:58:58 +00006637 if (s != NULL)
6638 {
Bram Moolenaar7c626922005-02-07 22:01:03 +00006639 byte_count_cursor += line_count_info(s, &word_count_cursor,
6640 &char_count_cursor, len, eol_size);
Bram Moolenaardef9e822004-12-31 20:58:58 +00006641 if (lnum == curbuf->b_ml.ml_line_count
6642 && !curbuf->b_p_eol
6643 && curbuf->b_p_bin
Bram Moolenaarec2dad62005-01-02 11:36:03 +00006644 && (long)STRLEN(s) < len)
Bram Moolenaar7c626922005-02-07 22:01:03 +00006645 byte_count_cursor -= eol_size;
Bram Moolenaardef9e822004-12-31 20:58:58 +00006646 }
Bram Moolenaar071d4272004-06-13 20:20:40 +00006647 }
6648 else
6649#endif
6650 {
6651 /* In non-visual mode, check for the line the cursor is on */
6652 if (lnum == curwin->w_cursor.lnum)
6653 {
6654 word_count_cursor += word_count;
Bram Moolenaar7c626922005-02-07 22:01:03 +00006655 char_count_cursor += char_count;
6656 byte_count_cursor = byte_count +
6657 line_count_info(ml_get(lnum),
6658 &word_count_cursor, &char_count_cursor,
Bram Moolenaar071d4272004-06-13 20:20:40 +00006659 (long)(curwin->w_cursor.col + 1), eol_size);
6660 }
6661 }
6662 /* Add to the running totals */
Bram Moolenaar7c626922005-02-07 22:01:03 +00006663 byte_count += line_count_info(ml_get(lnum), &word_count,
6664 &char_count, (long)MAXCOL, eol_size);
Bram Moolenaar071d4272004-06-13 20:20:40 +00006665 }
6666
6667 /* Correction for when last line doesn't have an EOL. */
6668 if (!curbuf->b_p_eol && curbuf->b_p_bin)
Bram Moolenaar7c626922005-02-07 22:01:03 +00006669 byte_count -= eol_size;
Bram Moolenaar071d4272004-06-13 20:20:40 +00006670
6671#ifdef FEAT_VISUAL
6672 if (VIsual_active)
6673 {
Bram Moolenaar5c8837f2006-02-25 21:52:33 +00006674 if (VIsual_mode == Ctrl_V && curwin->w_curswant < MAXCOL)
Bram Moolenaar071d4272004-06-13 20:20:40 +00006675 {
6676 getvcols(curwin, &min_pos, &max_pos, &min_pos.col,
Bram Moolenaar5c8837f2006-02-25 21:52:33 +00006677 &max_pos.col);
Bram Moolenaar0ab2a882009-05-13 10:51:08 +00006678 vim_snprintf((char *)buf1, sizeof(buf1), _("%ld Cols; "),
Bram Moolenaar071d4272004-06-13 20:20:40 +00006679 (long)(oparg.end_vcol - oparg.start_vcol + 1));
6680 }
6681 else
6682 buf1[0] = NUL;
6683
Bram Moolenaar7c626922005-02-07 22:01:03 +00006684 if (char_count_cursor == byte_count_cursor
Bram Moolenaar555b2802005-05-19 21:08:39 +00006685 && char_count == byte_count)
Bram Moolenaar0ab2a882009-05-13 10:51:08 +00006686 vim_snprintf((char *)IObuff, IOSIZE,
6687 _("Selected %s%ld of %ld Lines; %ld of %ld Words; %ld of %ld Bytes"),
Bram Moolenaar071d4272004-06-13 20:20:40 +00006688 buf1, line_count_selected,
6689 (long)curbuf->b_ml.ml_line_count,
6690 word_count_cursor, word_count,
Bram Moolenaar7c626922005-02-07 22:01:03 +00006691 byte_count_cursor, byte_count);
6692 else
Bram Moolenaar0ab2a882009-05-13 10:51:08 +00006693 vim_snprintf((char *)IObuff, IOSIZE,
6694 _("Selected %s%ld of %ld Lines; %ld of %ld Words; %ld of %ld Chars; %ld of %ld Bytes"),
Bram Moolenaar7c626922005-02-07 22:01:03 +00006695 buf1, line_count_selected,
6696 (long)curbuf->b_ml.ml_line_count,
6697 word_count_cursor, word_count,
6698 char_count_cursor, char_count,
6699 byte_count_cursor, byte_count);
Bram Moolenaar071d4272004-06-13 20:20:40 +00006700 }
6701 else
6702#endif
6703 {
6704 p = ml_get_curline();
6705 validate_virtcol();
Bram Moolenaar0ab2a882009-05-13 10:51:08 +00006706 col_print(buf1, sizeof(buf1), (int)curwin->w_cursor.col + 1,
Bram Moolenaar071d4272004-06-13 20:20:40 +00006707 (int)curwin->w_virtcol + 1);
Bram Moolenaar0ab2a882009-05-13 10:51:08 +00006708 col_print(buf2, sizeof(buf2), (int)STRLEN(p), linetabsize(p));
Bram Moolenaar071d4272004-06-13 20:20:40 +00006709
Bram Moolenaar7c626922005-02-07 22:01:03 +00006710 if (char_count_cursor == byte_count_cursor
6711 && char_count == byte_count)
Bram Moolenaar0ab2a882009-05-13 10:51:08 +00006712 vim_snprintf((char *)IObuff, IOSIZE,
6713 _("Col %s of %s; Line %ld of %ld; Word %ld of %ld; Byte %ld of %ld"),
Bram Moolenaar071d4272004-06-13 20:20:40 +00006714 (char *)buf1, (char *)buf2,
6715 (long)curwin->w_cursor.lnum,
6716 (long)curbuf->b_ml.ml_line_count,
6717 word_count_cursor, word_count,
Bram Moolenaar7c626922005-02-07 22:01:03 +00006718 byte_count_cursor, byte_count);
6719 else
Bram Moolenaar0ab2a882009-05-13 10:51:08 +00006720 vim_snprintf((char *)IObuff, IOSIZE,
6721 _("Col %s of %s; Line %ld of %ld; Word %ld of %ld; Char %ld of %ld; Byte %ld of %ld"),
Bram Moolenaar7c626922005-02-07 22:01:03 +00006722 (char *)buf1, (char *)buf2,
6723 (long)curwin->w_cursor.lnum,
6724 (long)curbuf->b_ml.ml_line_count,
6725 word_count_cursor, word_count,
6726 char_count_cursor, char_count,
6727 byte_count_cursor, byte_count);
Bram Moolenaar071d4272004-06-13 20:20:40 +00006728 }
6729
6730#ifdef FEAT_MBYTE
Bram Moolenaar7c626922005-02-07 22:01:03 +00006731 byte_count = bomb_size();
6732 if (byte_count > 0)
Bram Moolenaar071d4272004-06-13 20:20:40 +00006733 sprintf((char *)IObuff + STRLEN(IObuff), _("(+%ld for BOM)"),
Bram Moolenaar7c626922005-02-07 22:01:03 +00006734 byte_count);
Bram Moolenaar071d4272004-06-13 20:20:40 +00006735#endif
6736 /* Don't shorten this message, the user asked for it. */
6737 p = p_shm;
6738 p_shm = (char_u *)"";
6739 msg(IObuff);
6740 p_shm = p;
6741 }
6742}