Mercurial > vim
annotate src/message.c @ 2331:3840b7508835 vim73
Make it easier to build with Lua. Remove compiler warnings.
author | Bram Moolenaar <bram@vim.org> |
---|---|
date | Sun, 18 Jul 2010 12:35:47 +0200 |
parents | ccda151dde4e |
children | 0ca06a92adfb |
rev | line source |
---|---|
7 | 1 /* 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 * message.c: functions for displaying messages on the command line | |
12 */ | |
13 | |
14 #define MESSAGE_FILE /* don't include prototype for smsg() */ | |
15 | |
16 #include "vim.h" | |
17 | |
1619 | 18 #if defined(FEAT_FLOAT) && defined(HAVE_MATH_H) |
19 # include <math.h> | |
20 #endif | |
21 | |
16 | 22 static int other_sourcing_name __ARGS((void)); |
23 static char_u *get_emsg_source __ARGS((void)); | |
24 static char_u *get_emsg_lnum __ARGS((void)); | |
7 | 25 static void add_msg_hist __ARGS((char_u *s, int len, int attr)); |
26 static void hit_return_msg __ARGS((void)); | |
27 static void msg_home_replace_attr __ARGS((char_u *fname, int attr)); | |
28 #ifdef FEAT_MBYTE | |
29 static char_u *screen_puts_mbyte __ARGS((char_u *s, int l, int attr)); | |
30 #endif | |
31 static void msg_puts_attr_len __ARGS((char_u *str, int maxlen, int attr)); | |
446 | 32 static void msg_puts_display __ARGS((char_u *str, int maxlen, int attr, int recurse)); |
33 static void msg_scroll_up __ARGS((void)); | |
539 | 34 static void inc_msg_scrolled __ARGS((void)); |
446 | 35 static void store_sb_text __ARGS((char_u **sb_str, char_u *s, int attr, int *sb_col, int finish)); |
36 static void t_puts __ARGS((int *t_col, char_u *t_s, char_u *s, int attr)); | |
37 static void msg_puts_printf __ARGS((char_u *str, int maxlen)); | |
38 static int do_more_prompt __ARGS((int typed_char)); | |
7 | 39 static void msg_screen_putchar __ARGS((int c, int attr)); |
40 static int msg_check_screen __ARGS((void)); | |
41 static void redir_write __ARGS((char_u *s, int maxlen)); | |
291 | 42 static void verbose_write __ARGS((char_u *s, int maxlen)); |
7 | 43 #ifdef FEAT_CON_DIALOG |
44 static char_u *msg_show_console_dialog __ARGS((char_u *message, char_u *buttons, int dfltbutton)); | |
45 static int confirm_msg_used = FALSE; /* displaying confirm_msg */ | |
46 static char_u *confirm_msg = NULL; /* ":confirm" message */ | |
47 static char_u *confirm_msg_tail; /* tail of confirm_msg */ | |
48 #endif | |
49 | |
50 struct msg_hist | |
51 { | |
52 struct msg_hist *next; | |
53 char_u *msg; | |
54 int attr; | |
55 }; | |
56 | |
57 static struct msg_hist *first_msg_hist = NULL; | |
58 static struct msg_hist *last_msg_hist = NULL; | |
59 static int msg_hist_len = 0; | |
60 | |
61 /* | |
62 * When writing messages to the screen, there are many different situations. | |
63 * A number of variables is used to remember the current state: | |
64 * msg_didany TRUE when messages were written since the last time the | |
65 * user reacted to a prompt. | |
66 * Reset: After hitting a key for the hit-return prompt, | |
67 * hitting <CR> for the command line or input(). | |
68 * Set: When any message is written to the screen. | |
69 * msg_didout TRUE when something was written to the current line. | |
70 * Reset: When advancing to the next line, when the current | |
71 * text can be overwritten. | |
72 * Set: When any message is written to the screen. | |
73 * msg_nowait No extra delay for the last drawn message. | |
74 * Used in normal_cmd() before the mode message is drawn. | |
75 * emsg_on_display There was an error message recently. Indicates that there | |
76 * should be a delay before redrawing. | |
77 * msg_scroll The next message should not overwrite the current one. | |
78 * msg_scrolled How many lines the screen has been scrolled (because of | |
79 * messages). Used in update_screen() to scroll the screen | |
80 * back. Incremented each time the screen scrolls a line. | |
81 * msg_scrolled_ign TRUE when msg_scrolled is non-zero and msg_puts_attr() | |
82 * writes something without scrolling should not make | |
83 * need_wait_return to be set. This is a hack to make ":ts" | |
84 * work without an extra prompt. | |
85 * lines_left Number of lines available for messages before the | |
86 * more-prompt is to be given. | |
87 * need_wait_return TRUE when the hit-return prompt is needed. | |
88 * Reset: After giving the hit-return prompt, when the user | |
89 * has answered some other prompt. | |
90 * Set: When the ruler or typeahead display is overwritten, | |
91 * scrolling the screen for some message. | |
92 * keep_msg Message to be displayed after redrawing the screen, in | |
93 * main_loop(). | |
94 * This is an allocated string or NULL when not used. | |
95 */ | |
96 | |
97 /* | |
98 * msg(s) - displays the string 's' on the status line | |
99 * When terminal not initialized (yet) mch_errmsg(..) is used. | |
100 * return TRUE if wait_return not called | |
101 */ | |
102 int | |
103 msg(s) | |
104 char_u *s; | |
105 { | |
106 return msg_attr_keep(s, 0, FALSE); | |
107 } | |
108 | |
291 | 109 #if defined(FEAT_EVAL) || defined(FEAT_X11) || defined(USE_XSMP) \ |
1924 | 110 || defined(FEAT_GUI_GTK) || defined(PROTO) |
291 | 111 /* |
112 * Like msg() but keep it silent when 'verbosefile' is set. | |
113 */ | |
114 int | |
115 verb_msg(s) | |
116 char_u *s; | |
117 { | |
118 int n; | |
119 | |
120 verbose_enter(); | |
121 n = msg_attr_keep(s, 0, FALSE); | |
122 verbose_leave(); | |
123 | |
124 return n; | |
125 } | |
126 #endif | |
127 | |
7 | 128 int |
129 msg_attr(s, attr) | |
130 char_u *s; | |
131 int attr; | |
132 { | |
133 return msg_attr_keep(s, attr, FALSE); | |
134 } | |
135 | |
136 int | |
137 msg_attr_keep(s, attr, keep) | |
138 char_u *s; | |
139 int attr; | |
140 int keep; /* TRUE: set keep_msg if it doesn't scroll */ | |
141 { | |
142 static int entered = 0; | |
143 int retval; | |
144 char_u *buf = NULL; | |
145 | |
146 #ifdef FEAT_EVAL | |
147 if (attr == 0) | |
148 set_vim_var_string(VV_STATUSMSG, s, -1); | |
149 #endif | |
150 | |
151 /* | |
152 * It is possible that displaying a messages causes a problem (e.g., | |
153 * when redrawing the window), which causes another message, etc.. To | |
154 * break this loop, limit the recursiveness to 3 levels. | |
155 */ | |
156 if (entered >= 3) | |
157 return TRUE; | |
158 ++entered; | |
159 | |
160 /* Add message to history (unless it's a repeated kept message or a | |
161 * truncated message) */ | |
162 if (s != keep_msg | |
163 || (*s != '<' | |
164 && last_msg_hist != NULL | |
165 && last_msg_hist->msg != NULL | |
166 && STRCMP(s, last_msg_hist->msg))) | |
167 add_msg_hist(s, -1, attr); | |
168 | |
169 /* When displaying keep_msg, don't let msg_start() free it, caller must do | |
170 * that. */ | |
171 if (s == keep_msg) | |
172 keep_msg = NULL; | |
173 | |
174 /* Truncate the message if needed. */ | |
513 | 175 msg_start(); |
176 buf = msg_strtrunc(s, FALSE); | |
7 | 177 if (buf != NULL) |
178 s = buf; | |
179 | |
180 msg_outtrans_attr(s, attr); | |
181 msg_clr_eos(); | |
182 retval = msg_end(); | |
183 | |
184 if (keep && retval && vim_strsize(s) < (int)(Rows - cmdline_row - 1) | |
185 * Columns + sc_col) | |
678 | 186 set_keep_msg(s, 0); |
7 | 187 |
188 vim_free(buf); | |
189 --entered; | |
190 return retval; | |
191 } | |
192 | |
193 /* | |
194 * Truncate a string such that it can be printed without causing a scroll. | |
195 * Returns an allocated string or NULL when no truncating is done. | |
196 */ | |
197 char_u * | |
513 | 198 msg_strtrunc(s, force) |
7 | 199 char_u *s; |
513 | 200 int force; /* always truncate */ |
7 | 201 { |
202 char_u *buf = NULL; | |
203 int len; | |
204 int room; | |
205 | |
206 /* May truncate message to avoid a hit-return prompt */ | |
513 | 207 if ((!msg_scroll && !need_wait_return && shortmess(SHM_TRUNCALL) |
208 && !exmode_active && msg_silent == 0) || force) | |
7 | 209 { |
210 len = vim_strsize(s); | |
539 | 211 if (msg_scrolled != 0) |
513 | 212 /* Use all the columns. */ |
213 room = (int)(Rows - msg_row) * Columns - 1; | |
214 else | |
215 /* Use up to 'showcmd' column. */ | |
216 room = (int)(Rows - msg_row - 1) * Columns + sc_col - 1; | |
7 | 217 if (len > room && room > 0) |
218 { | |
219 #ifdef FEAT_MBYTE | |
220 if (enc_utf8) | |
221 /* may have up to 18 bytes per cell (6 per char, up to two | |
222 * composing chars) */ | |
223 buf = alloc((room + 2) * 18); | |
224 else if (enc_dbcs == DBCS_JPNU) | |
225 /* may have up to 2 bytes per cell for euc-jp */ | |
226 buf = alloc((room + 2) * 2); | |
227 else | |
228 #endif | |
229 buf = alloc(room + 2); | |
230 if (buf != NULL) | |
231 trunc_string(s, buf, room); | |
232 } | |
233 } | |
234 return buf; | |
235 } | |
236 | |
237 /* | |
238 * Truncate a string "s" to "buf" with cell width "room". | |
239 * "s" and "buf" may be equal. | |
240 */ | |
241 void | |
242 trunc_string(s, buf, room) | |
243 char_u *s; | |
244 char_u *buf; | |
245 int room; | |
246 { | |
247 int half; | |
248 int len; | |
249 int e; | |
250 int i; | |
251 int n; | |
252 | |
253 room -= 3; | |
254 half = room / 2; | |
255 len = 0; | |
256 | |
257 /* First part: Start of the string. */ | |
258 for (e = 0; len < half; ++e) | |
259 { | |
260 if (s[e] == NUL) | |
261 { | |
262 /* text fits without truncating! */ | |
263 buf[e] = NUL; | |
264 return; | |
265 } | |
266 n = ptr2cells(s + e); | |
267 if (len + n >= half) | |
268 break; | |
269 len += n; | |
270 buf[e] = s[e]; | |
271 #ifdef FEAT_MBYTE | |
272 if (has_mbyte) | |
474 | 273 for (n = (*mb_ptr2len)(s + e); --n > 0; ) |
7 | 274 { |
275 ++e; | |
276 buf[e] = s[e]; | |
277 } | |
278 #endif | |
279 } | |
280 | |
281 /* Last part: End of the string. */ | |
282 i = e; | |
283 #ifdef FEAT_MBYTE | |
284 if (enc_dbcs != 0) | |
285 { | |
286 /* For DBCS going backwards in a string is slow, but | |
287 * computing the cell width isn't too slow: go forward | |
288 * until the rest fits. */ | |
289 n = vim_strsize(s + i); | |
290 while (len + n > room) | |
291 { | |
292 n -= ptr2cells(s + i); | |
474 | 293 i += (*mb_ptr2len)(s + i); |
7 | 294 } |
295 } | |
296 else if (enc_utf8) | |
297 { | |
298 /* For UTF-8 we can go backwards easily. */ | |
714 | 299 half = i = (int)STRLEN(s); |
7 | 300 for (;;) |
301 { | |
714 | 302 do |
303 half = half - (*mb_head_off)(s, s + half - 1) - 1; | |
304 while (utf_iscomposing(utf_ptr2char(s + half)) && half > 0); | |
7 | 305 n = ptr2cells(s + half); |
306 if (len + n > room) | |
307 break; | |
308 len += n; | |
309 i = half; | |
310 } | |
311 } | |
312 else | |
313 #endif | |
314 { | |
315 for (i = (int)STRLEN(s); len + (n = ptr2cells(s + i - 1)) <= room; --i) | |
316 len += n; | |
317 } | |
318 | |
319 /* Set the middle and copy the last part. */ | |
320 mch_memmove(buf + e, "...", (size_t)3); | |
1619 | 321 STRMOVE(buf + e + 3, s + i); |
7 | 322 } |
323 | |
324 /* | |
325 * Automatic prototype generation does not understand this function. | |
326 * Note: Caller of smgs() and smsg_attr() must check the resulting string is | |
327 * shorter than IOSIZE!!! | |
328 */ | |
329 #ifndef PROTO | |
330 # ifndef HAVE_STDARG_H | |
331 | |
332 int | |
333 #ifdef __BORLANDC__ | |
334 _RTLENTRYF | |
335 #endif | |
336 smsg __ARGS((char_u *, long, long, long, | |
337 long, long, long, long, long, long, long)); | |
338 int | |
339 #ifdef __BORLANDC__ | |
340 _RTLENTRYF | |
341 #endif | |
342 smsg_attr __ARGS((int, char_u *, long, long, long, | |
343 long, long, long, long, long, long, long)); | |
344 | |
272 | 345 int vim_snprintf __ARGS((char *, size_t, char *, long, long, long, |
346 long, long, long, long, long, long, long)); | |
347 | |
348 /* | |
349 * smsg(str, arg, ...) is like using sprintf(buf, str, arg, ...) and then | |
350 * calling msg(buf). | |
351 * The buffer used is IObuff, the message is truncated at IOSIZE. | |
352 */ | |
353 | |
7 | 354 /* VARARGS */ |
355 int | |
356 #ifdef __BORLANDC__ | |
357 _RTLENTRYF | |
358 #endif | |
359 smsg(s, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) | |
360 char_u *s; | |
361 long a1, a2, a3, a4, a5, a6, a7, a8, a9, a10; | |
362 { | |
363 return smsg_attr(0, s, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10); | |
364 } | |
365 | |
366 /* VARARGS */ | |
367 int | |
368 #ifdef __BORLANDC__ | |
369 _RTLENTRYF | |
370 #endif | |
371 smsg_attr(attr, s, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) | |
372 int attr; | |
373 char_u *s; | |
374 long a1, a2, a3, a4, a5, a6, a7, a8, a9, a10; | |
375 { | |
272 | 376 vim_snprintf((char *)IObuff, IOSIZE, (char *)s, |
377 a1, a2, a3, a4, a5, a6, a7, a8, a9, a10); | |
7 | 378 return msg_attr(IObuff, attr); |
379 } | |
380 | |
381 # else /* HAVE_STDARG_H */ | |
382 | |
272 | 383 int vim_snprintf(char *str, size_t str_m, char *fmt, ...); |
384 | |
7 | 385 int |
386 #ifdef __BORLANDC__ | |
387 _RTLENTRYF | |
388 #endif | |
389 smsg(char_u *s, ...) | |
390 { | |
391 va_list arglist; | |
392 | |
393 va_start(arglist, s); | |
449 | 394 vim_vsnprintf((char *)IObuff, IOSIZE, (char *)s, arglist, NULL); |
7 | 395 va_end(arglist); |
396 return msg(IObuff); | |
397 } | |
398 | |
399 int | |
400 #ifdef __BORLANDC__ | |
401 _RTLENTRYF | |
402 #endif | |
403 smsg_attr(int attr, char_u *s, ...) | |
404 { | |
405 va_list arglist; | |
406 | |
407 va_start(arglist, s); | |
449 | 408 vim_vsnprintf((char *)IObuff, IOSIZE, (char *)s, arglist, NULL); |
7 | 409 va_end(arglist); |
410 return msg_attr(IObuff, attr); | |
411 } | |
412 | |
413 # endif /* HAVE_STDARG_H */ | |
414 #endif | |
415 | |
416 /* | |
417 * Remember the last sourcing name/lnum used in an error message, so that it | |
418 * isn't printed each time when it didn't change. | |
419 */ | |
420 static int last_sourcing_lnum = 0; | |
421 static char_u *last_sourcing_name = NULL; | |
422 | |
423 /* | |
424 * Reset the last used sourcing name/lnum. Makes sure it is displayed again | |
425 * for the next error message; | |
426 */ | |
360 | 427 void |
7 | 428 reset_last_sourcing() |
429 { | |
430 vim_free(last_sourcing_name); | |
431 last_sourcing_name = NULL; | |
432 last_sourcing_lnum = 0; | |
433 } | |
434 | |
435 /* | |
16 | 436 * Return TRUE if "sourcing_name" differs from "last_sourcing_name". |
437 */ | |
438 static int | |
439 other_sourcing_name() | |
440 { | |
441 if (sourcing_name != NULL) | |
442 { | |
443 if (last_sourcing_name != NULL) | |
444 return STRCMP(sourcing_name, last_sourcing_name) != 0; | |
445 return TRUE; | |
446 } | |
447 return FALSE; | |
448 } | |
449 | |
450 /* | |
7 | 451 * Get the message about the source, as used for an error message. |
452 * Returns an allocated string with room for one more character. | |
453 * Returns NULL when no message is to be given. | |
454 */ | |
455 static char_u * | |
16 | 456 get_emsg_source() |
7 | 457 { |
458 char_u *Buf, *p; | |
459 | |
16 | 460 if (sourcing_name != NULL && other_sourcing_name()) |
7 | 461 { |
462 p = (char_u *)_("Error detected while processing %s:"); | |
463 Buf = alloc((unsigned)(STRLEN(sourcing_name) + STRLEN(p))); | |
464 if (Buf != NULL) | |
465 sprintf((char *)Buf, (char *)p, sourcing_name); | |
466 return Buf; | |
467 } | |
468 return NULL; | |
469 } | |
470 | |
471 /* | |
472 * Get the message about the source lnum, as used for an error message. | |
473 * Returns an allocated string with room for one more character. | |
474 * Returns NULL when no message is to be given. | |
475 */ | |
476 static char_u * | |
16 | 477 get_emsg_lnum() |
7 | 478 { |
479 char_u *Buf, *p; | |
480 | |
481 /* lnum is 0 when executing a command from the command line | |
482 * argument, we don't want a line number then */ | |
483 if (sourcing_name != NULL | |
16 | 484 && (other_sourcing_name() || sourcing_lnum != last_sourcing_lnum) |
7 | 485 && sourcing_lnum != 0) |
486 { | |
487 p = (char_u *)_("line %4ld:"); | |
488 Buf = alloc((unsigned)(STRLEN(p) + 20)); | |
489 if (Buf != NULL) | |
490 sprintf((char *)Buf, (char *)p, (long)sourcing_lnum); | |
491 return Buf; | |
492 } | |
493 return NULL; | |
494 } | |
495 | |
496 /* | |
16 | 497 * Display name and line number for the source of an error. |
498 * Remember the file name and line number, so that for the next error the info | |
499 * is only displayed if it changed. | |
500 */ | |
501 void | |
502 msg_source(attr) | |
503 int attr; | |
504 { | |
505 char_u *p; | |
506 | |
507 ++no_wait_return; | |
508 p = get_emsg_source(); | |
509 if (p != NULL) | |
510 { | |
511 msg_attr(p, attr); | |
512 vim_free(p); | |
513 } | |
514 p = get_emsg_lnum(); | |
515 if (p != NULL) | |
516 { | |
517 msg_attr(p, hl_attr(HLF_N)); | |
518 vim_free(p); | |
519 last_sourcing_lnum = sourcing_lnum; /* only once for each line */ | |
520 } | |
521 | |
522 /* remember the last sourcing name printed, also when it's empty */ | |
36 | 523 if (sourcing_name == NULL || other_sourcing_name()) |
16 | 524 { |
525 vim_free(last_sourcing_name); | |
526 if (sourcing_name == NULL) | |
527 last_sourcing_name = NULL; | |
528 else | |
529 last_sourcing_name = vim_strsave(sourcing_name); | |
530 } | |
531 --no_wait_return; | |
532 } | |
533 | |
534 /* | |
840 | 535 * Return TRUE if not giving error messages right now: |
536 * If "emsg_off" is set: no error messages at the moment. | |
537 * If "msg" is in 'debug': do error message but without side effects. | |
538 * If "emsg_skip" is set: never do error messages. | |
539 */ | |
540 int | |
541 emsg_not_now() | |
542 { | |
543 if ((emsg_off > 0 && vim_strchr(p_debug, 'm') == NULL | |
544 && vim_strchr(p_debug, 't') == NULL) | |
545 #ifdef FEAT_EVAL | |
546 || emsg_skip > 0 | |
547 #endif | |
548 ) | |
549 return TRUE; | |
550 return FALSE; | |
551 } | |
552 | |
553 /* | |
7 | 554 * emsg() - display an error message |
555 * | |
556 * Rings the bell, if appropriate, and calls message() to do the real work | |
557 * When terminal not initialized (yet) mch_errmsg(..) is used. | |
558 * | |
559 * return TRUE if wait_return not called | |
560 */ | |
561 int | |
562 emsg(s) | |
563 char_u *s; | |
564 { | |
565 int attr; | |
566 char_u *p; | |
567 #ifdef FEAT_EVAL | |
568 int ignore = FALSE; | |
569 int severe; | |
570 #endif | |
571 | |
572 called_emsg = TRUE; | |
167 | 573 ex_exitval = 1; |
7 | 574 |
575 /* | |
105 | 576 * If "emsg_severe" is TRUE: When an error exception is to be thrown, |
577 * prefer this message over previous messages for the same command. | |
7 | 578 */ |
579 #ifdef FEAT_EVAL | |
580 severe = emsg_severe; | |
581 emsg_severe = FALSE; | |
582 #endif | |
583 | |
840 | 584 /* Skip this if not giving error messages at the moment. */ |
585 if (emsg_not_now()) | |
7 | 586 return TRUE; |
587 | |
839 | 588 if (!emsg_off || vim_strchr(p_debug, 't') != NULL) |
7 | 589 { |
590 #ifdef FEAT_EVAL | |
591 /* | |
592 * Cause a throw of an error exception if appropriate. Don't display | |
593 * the error message in this case. (If no matching catch clause will | |
594 * be found, the message will be displayed later on.) "ignore" is set | |
595 * when the message should be ignored completely (used for the | |
596 * interrupt message). | |
597 */ | |
598 if (cause_errthrow(s, severe, &ignore) == TRUE) | |
599 { | |
600 if (!ignore) | |
601 did_emsg = TRUE; | |
602 return TRUE; | |
603 } | |
604 | |
605 /* set "v:errmsg", also when using ":silent! cmd" */ | |
606 set_vim_var_string(VV_ERRMSG, s, -1); | |
607 #endif | |
608 | |
609 /* | |
1619 | 610 * When using ":silent! cmd" ignore error messages. |
7 | 611 * But do write it to the redirection file. |
612 */ | |
613 if (emsg_silent != 0) | |
614 { | |
615 msg_start(); | |
16 | 616 p = get_emsg_source(); |
7 | 617 if (p != NULL) |
618 { | |
619 STRCAT(p, "\n"); | |
620 redir_write(p, -1); | |
621 vim_free(p); | |
622 } | |
16 | 623 p = get_emsg_lnum(); |
7 | 624 if (p != NULL) |
625 { | |
626 STRCAT(p, "\n"); | |
627 redir_write(p, -1); | |
628 vim_free(p); | |
629 } | |
630 redir_write(s, -1); | |
631 return TRUE; | |
632 } | |
633 | |
634 /* Reset msg_silent, an error causes messages to be switched back on. */ | |
635 msg_silent = 0; | |
636 cmd_silent = FALSE; | |
637 | |
638 if (global_busy) /* break :global command */ | |
639 ++global_busy; | |
640 | |
641 if (p_eb) | |
642 beep_flush(); /* also includes flush_buffers() */ | |
643 else | |
644 flush_buffers(FALSE); /* flush internal buffers */ | |
645 did_emsg = TRUE; /* flag for DoOneCmd() */ | |
646 } | |
647 | |
648 emsg_on_display = TRUE; /* remember there is an error message */ | |
649 ++msg_scroll; /* don't overwrite a previous message */ | |
650 attr = hl_attr(HLF_E); /* set highlight mode for error messages */ | |
539 | 651 if (msg_scrolled != 0) |
7 | 652 need_wait_return = TRUE; /* needed in case emsg() is called after |
653 * wait_return has reset need_wait_return | |
654 * and a redraw is expected because | |
655 * msg_scrolled is non-zero */ | |
656 | |
657 /* | |
658 * Display name and line number for the source of the error. | |
659 */ | |
16 | 660 msg_source(attr); |
7 | 661 |
662 /* | |
663 * Display the error message itself. | |
664 */ | |
16 | 665 msg_nowait = FALSE; /* wait for this msg */ |
7 | 666 return msg_attr(s, attr); |
667 } | |
668 | |
669 /* | |
670 * Print an error message with one "%s" and one string argument. | |
671 */ | |
672 int | |
673 emsg2(s, a1) | |
674 char_u *s, *a1; | |
675 { | |
676 return emsg3(s, a1, NULL); | |
677 } | |
678 | |
330 | 679 /* emsg3() and emsgn() are in misc2.c to avoid warnings for the prototypes. */ |
7 | 680 |
167 | 681 void |
682 emsg_invreg(name) | |
683 int name; | |
684 { | |
685 EMSG2(_("E354: Invalid register name: '%s'"), transchar(name)); | |
686 } | |
687 | |
7 | 688 /* |
689 * Like msg(), but truncate to a single line if p_shm contains 't', or when | |
690 * "force" is TRUE. This truncates in another way as for normal messages. | |
691 * Careful: The string may be changed by msg_may_trunc()! | |
692 * Returns a pointer to the printed message, if wait_return() not called. | |
693 */ | |
694 char_u * | |
695 msg_trunc_attr(s, force, attr) | |
696 char_u *s; | |
697 int force; | |
698 int attr; | |
699 { | |
700 int n; | |
701 | |
702 /* Add message to history before truncating */ | |
703 add_msg_hist(s, -1, attr); | |
704 | |
705 s = msg_may_trunc(force, s); | |
706 | |
707 msg_hist_off = TRUE; | |
708 n = msg_attr(s, attr); | |
709 msg_hist_off = FALSE; | |
710 | |
711 if (n) | |
712 return s; | |
713 return NULL; | |
714 } | |
715 | |
716 /* | |
717 * Check if message "s" should be truncated at the start (for filenames). | |
718 * Return a pointer to where the truncated message starts. | |
719 * Note: May change the message by replacing a character with '<'. | |
720 */ | |
721 char_u * | |
722 msg_may_trunc(force, s) | |
723 int force; | |
724 char_u *s; | |
725 { | |
726 int n; | |
727 int room; | |
728 | |
729 room = (int)(Rows - cmdline_row - 1) * Columns + sc_col - 1; | |
730 if ((force || (shortmess(SHM_TRUNC) && !exmode_active)) | |
731 && (n = (int)STRLEN(s) - room) > 0) | |
732 { | |
733 #ifdef FEAT_MBYTE | |
734 if (has_mbyte) | |
735 { | |
736 int size = vim_strsize(s); | |
737 | |
615 | 738 /* There may be room anyway when there are multibyte chars. */ |
739 if (size <= room) | |
740 return s; | |
741 | |
7 | 742 for (n = 0; size >= room; ) |
743 { | |
744 size -= (*mb_ptr2cells)(s + n); | |
474 | 745 n += (*mb_ptr2len)(s + n); |
7 | 746 } |
747 --n; | |
748 } | |
749 #endif | |
750 s += n; | |
751 *s = '<'; | |
752 } | |
753 return s; | |
754 } | |
755 | |
756 static void | |
757 add_msg_hist(s, len, attr) | |
758 char_u *s; | |
759 int len; /* -1 for undetermined length */ | |
760 int attr; | |
761 { | |
762 struct msg_hist *p; | |
763 | |
764 if (msg_hist_off || msg_silent != 0) | |
765 return; | |
766 | |
767 /* Don't let the message history get too big */ | |
625 | 768 while (msg_hist_len > MAX_MSG_HIST_LEN) |
355 | 769 (void)delete_first_msg(); |
770 | |
7 | 771 /* allocate an entry and add the message at the end of the history */ |
772 p = (struct msg_hist *)alloc((int)sizeof(struct msg_hist)); | |
773 if (p != NULL) | |
774 { | |
775 if (len < 0) | |
776 len = (int)STRLEN(s); | |
777 /* remove leading and trailing newlines */ | |
778 while (len > 0 && *s == '\n') | |
779 { | |
780 ++s; | |
781 --len; | |
782 } | |
783 while (len > 0 && s[len - 1] == '\n') | |
784 --len; | |
785 p->msg = vim_strnsave(s, len); | |
786 p->next = NULL; | |
787 p->attr = attr; | |
788 if (last_msg_hist != NULL) | |
789 last_msg_hist->next = p; | |
790 last_msg_hist = p; | |
791 if (first_msg_hist == NULL) | |
792 first_msg_hist = last_msg_hist; | |
793 ++msg_hist_len; | |
794 } | |
795 } | |
796 | |
797 /* | |
355 | 798 * Delete the first (oldest) message from the history. |
799 * Returns FAIL if there are no messages. | |
800 */ | |
801 int | |
802 delete_first_msg() | |
803 { | |
804 struct msg_hist *p; | |
805 | |
806 if (msg_hist_len <= 0) | |
807 return FAIL; | |
808 p = first_msg_hist; | |
809 first_msg_hist = p->next; | |
1619 | 810 if (first_msg_hist == NULL) |
2311
ccda151dde4e
Support completion for ":find". (Nazri Ramliy)
Bram Moolenaar <bram@vim.org>
parents:
2280
diff
changeset
|
811 last_msg_hist = NULL; /* history is empty */ |
355 | 812 vim_free(p->msg); |
813 vim_free(p); | |
814 --msg_hist_len; | |
815 return OK; | |
816 } | |
817 | |
818 /* | |
7 | 819 * ":messages" command. |
820 */ | |
821 void | |
822 ex_messages(eap) | |
1883 | 823 exarg_T *eap UNUSED; |
7 | 824 { |
825 struct msg_hist *p; | |
826 char_u *s; | |
827 | |
828 msg_hist_off = TRUE; | |
829 | |
830 s = mch_getenv((char_u *)"LANG"); | |
831 if (s != NULL && *s != NUL) | |
832 msg_attr((char_u *) | |
833 _("Messages maintainer: Bram Moolenaar <Bram@vim.org>"), | |
834 hl_attr(HLF_T)); | |
835 | |
1391 | 836 for (p = first_msg_hist; p != NULL && !got_int; p = p->next) |
7 | 837 if (p->msg != NULL) |
838 msg_attr(p->msg, p->attr); | |
839 | |
840 msg_hist_off = FALSE; | |
841 } | |
842 | |
28 | 843 #if defined(FEAT_CON_DIALOG) || defined(FIND_REPLACE_DIALOG) || defined(PROTO) |
7 | 844 /* |
845 * Call this after prompting the user. This will avoid a hit-return message | |
846 * and a delay. | |
847 */ | |
28 | 848 void |
7 | 849 msg_end_prompt() |
850 { | |
851 need_wait_return = FALSE; | |
852 emsg_on_display = FALSE; | |
853 cmdline_row = msg_row; | |
854 msg_col = 0; | |
855 msg_clr_eos(); | |
856 } | |
857 #endif | |
858 | |
859 /* | |
860 * wait for the user to hit a key (normally a return) | |
861 * if 'redraw' is TRUE, clear and redraw the screen | |
862 * if 'redraw' is FALSE, just redraw the screen | |
863 * if 'redraw' is -1, don't redraw at all | |
864 */ | |
865 void | |
866 wait_return(redraw) | |
867 int redraw; | |
868 { | |
869 int c; | |
870 int oldState; | |
871 int tmpState; | |
872 int had_got_int; | |
873 | |
874 if (redraw == TRUE) | |
875 must_redraw = CLEAR; | |
876 | |
877 /* If using ":silent cmd", don't wait for a return. Also don't set | |
878 * need_wait_return to do it later. */ | |
879 if (msg_silent != 0) | |
880 return; | |
881 | |
882 /* | |
883 * With the global command (and some others) we only need one return at the | |
884 * end. Adjust cmdline_row to avoid the next message overwriting the last one. | |
885 * When inside vgetc(), we can't wait for a typed character at all. | |
886 */ | |
822 | 887 if (vgetc_busy > 0) |
7 | 888 return; |
889 if (no_wait_return) | |
890 { | |
891 need_wait_return = TRUE; | |
892 if (!exmode_active) | |
893 cmdline_row = msg_row; | |
894 return; | |
895 } | |
896 | |
897 redir_off = TRUE; /* don't redirect this message */ | |
898 oldState = State; | |
899 if (quit_more) | |
900 { | |
901 c = CAR; /* just pretend CR was hit */ | |
902 quit_more = FALSE; | |
903 got_int = FALSE; | |
904 } | |
905 else if (exmode_active) | |
906 { | |
907 MSG_PUTS(" "); /* make sure the cursor is on the right line */ | |
908 c = CAR; /* no need for a return in ex mode */ | |
909 got_int = FALSE; | |
910 } | |
911 else | |
912 { | |
913 /* Make sure the hit-return prompt is on screen when 'guioptions' was | |
914 * just changed. */ | |
915 screenalloc(FALSE); | |
916 | |
917 State = HITRETURN; | |
918 #ifdef FEAT_MOUSE | |
919 setmouse(); | |
920 #endif | |
921 #ifdef USE_ON_FLY_SCROLL | |
922 dont_scroll = TRUE; /* disallow scrolling here */ | |
923 #endif | |
924 hit_return_msg(); | |
925 | |
926 do | |
927 { | |
928 /* Remember "got_int", if it is set vgetc() probably returns a | |
929 * CTRL-C, but we need to loop then. */ | |
930 had_got_int = got_int; | |
280 | 931 |
932 /* Don't do mappings here, we put the character back in the | |
933 * typeahead buffer. */ | |
934 ++no_mapping; | |
935 ++allow_keys; | |
7 | 936 c = safe_vgetc(); |
216 | 937 if (had_got_int && !global_busy) |
7 | 938 got_int = FALSE; |
280 | 939 --no_mapping; |
940 --allow_keys; | |
941 | |
7 | 942 #ifdef FEAT_CLIPBOARD |
943 /* Strange way to allow copying (yanking) a modeless selection at | |
944 * the hit-enter prompt. Use CTRL-Y, because the same is used in | |
945 * Cmdline-mode and it's harmless when there is no selection. */ | |
946 if (c == Ctrl_Y && clip_star.state == SELECT_DONE) | |
947 { | |
948 clip_copy_modeless_selection(TRUE); | |
949 c = K_IGNORE; | |
950 } | |
951 #endif | |
1381 | 952 |
698 | 953 /* |
954 * Allow scrolling back in the messages. | |
955 * Also accept scroll-down commands when messages fill the screen, | |
956 * to avoid that typing one 'j' too many makes the messages | |
957 * disappear. | |
958 */ | |
959 if (p_more && !p_cp) | |
446 | 960 { |
698 | 961 if (c == 'b' || c == 'k' || c == 'u' || c == 'g' || c == K_UP) |
446 | 962 { |
698 | 963 /* scroll back to show older messages */ |
964 do_more_prompt(c); | |
965 if (quit_more) | |
966 { | |
967 c = CAR; /* just pretend CR was hit */ | |
968 quit_more = FALSE; | |
969 got_int = FALSE; | |
970 } | |
971 else | |
972 { | |
973 c = K_IGNORE; | |
974 hit_return_msg(); | |
975 } | |
446 | 976 } |
698 | 977 else if (msg_scrolled > Rows - 2 |
1820 | 978 && (c == 'j' || c == K_DOWN || c == 'd' || c == 'f')) |
446 | 979 c = K_IGNORE; |
980 } | |
7 | 981 } while ((had_got_int && c == Ctrl_C) |
982 || c == K_IGNORE | |
983 #ifdef FEAT_GUI | |
984 || c == K_VER_SCROLLBAR || c == K_HOR_SCROLLBAR | |
985 #endif | |
986 #ifdef FEAT_MOUSE | |
987 || c == K_LEFTDRAG || c == K_LEFTRELEASE | |
988 || c == K_MIDDLEDRAG || c == K_MIDDLERELEASE | |
989 || c == K_RIGHTDRAG || c == K_RIGHTRELEASE | |
990 || c == K_MOUSEDOWN || c == K_MOUSEUP | |
991 || (!mouse_has(MOUSE_RETURN) | |
992 && mouse_row < msg_row | |
993 && (c == K_LEFTMOUSE | |
994 || c == K_MIDDLEMOUSE | |
995 || c == K_RIGHTMOUSE | |
996 || c == K_X1MOUSE | |
997 || c == K_X2MOUSE)) | |
998 #endif | |
999 ); | |
1000 ui_breakcheck(); | |
1001 #ifdef FEAT_MOUSE | |
1002 /* | |
1003 * Avoid that the mouse-up event causes visual mode to start. | |
1004 */ | |
1005 if (c == K_LEFTMOUSE || c == K_MIDDLEMOUSE || c == K_RIGHTMOUSE | |
1006 || c == K_X1MOUSE || c == K_X2MOUSE) | |
1007 (void)jump_to_mouse(MOUSE_SETPOS, NULL, 0); | |
1008 else | |
1009 #endif | |
1010 if (vim_strchr((char_u *)"\r\n ", c) == NULL && c != Ctrl_C) | |
1011 { | |
280 | 1012 /* Put the character back in the typeahead buffer. Don't use the |
1013 * stuff buffer, because lmaps wouldn't work. */ | |
852 | 1014 ins_char_typebuf(c); |
7 | 1015 do_redraw = TRUE; /* need a redraw even though there is |
280 | 1016 typeahead */ |
7 | 1017 } |
1018 } | |
1019 redir_off = FALSE; | |
1020 | |
1021 /* | |
1022 * If the user hits ':', '?' or '/' we get a command line from the next | |
1023 * line. | |
1024 */ | |
1025 if (c == ':' || c == '?' || c == '/') | |
1026 { | |
1027 if (!exmode_active) | |
1028 cmdline_row = msg_row; | |
1029 skip_redraw = TRUE; /* skip redraw once */ | |
1030 do_redraw = FALSE; | |
1031 } | |
1032 | |
1033 /* | |
1034 * If the window size changed set_shellsize() will redraw the screen. | |
1035 * Otherwise the screen is only redrawn if 'redraw' is set and no ':' | |
1036 * typed. | |
1037 */ | |
1038 tmpState = State; | |
1039 State = oldState; /* restore State before set_shellsize */ | |
1040 #ifdef FEAT_MOUSE | |
1041 setmouse(); | |
1042 #endif | |
1043 msg_check(); | |
1044 | |
1045 #if defined(UNIX) || defined(VMS) | |
1046 /* | |
1047 * When switching screens, we need to output an extra newline on exit. | |
1048 */ | |
1049 if (swapping_screen() && !termcap_active) | |
1050 newline_on_exit = TRUE; | |
1051 #endif | |
1052 | |
1053 need_wait_return = FALSE; | |
1054 did_wait_return = TRUE; | |
1055 emsg_on_display = FALSE; /* can delete error message now */ | |
1056 lines_left = -1; /* reset lines_left at next msg_start() */ | |
1057 reset_last_sourcing(); | |
1058 if (keep_msg != NULL && vim_strsize(keep_msg) >= | |
1059 (Rows - cmdline_row - 1) * Columns + sc_col) | |
1060 { | |
1061 vim_free(keep_msg); | |
1062 keep_msg = NULL; /* don't redisplay message, it's too long */ | |
1063 } | |
1064 | |
1065 if (tmpState == SETWSIZE) /* got resize event while in vgetc() */ | |
1066 { | |
1067 starttermcap(); /* start termcap before redrawing */ | |
1068 shell_resized(); | |
1069 } | |
1070 else if (!skip_redraw | |
1071 && (redraw == TRUE || (msg_scrolled != 0 && redraw != -1))) | |
1072 { | |
1073 starttermcap(); /* start termcap before redrawing */ | |
1074 redraw_later(VALID); | |
1075 } | |
1076 } | |
1077 | |
1078 /* | |
1079 * Write the hit-return prompt. | |
1080 */ | |
1081 static void | |
1082 hit_return_msg() | |
1083 { | |
446 | 1084 int save_p_more = p_more; |
1085 | |
1086 p_more = FALSE; /* don't want see this message when scrolling back */ | |
1087 if (msg_didout) /* start on a new line */ | |
7 | 1088 msg_putchar('\n'); |
1089 if (got_int) | |
1090 MSG_PUTS(_("Interrupt: ")); | |
1091 | |
446 | 1092 MSG_PUTS_ATTR(_("Press ENTER or type command to continue"), hl_attr(HLF_R)); |
7 | 1093 if (!msg_use_printf()) |
1094 msg_clr_eos(); | |
446 | 1095 p_more = save_p_more; |
7 | 1096 } |
1097 | |
1098 /* | |
1099 * Set "keep_msg" to "s". Free the old value and check for NULL pointer. | |
1100 */ | |
1101 void | |
678 | 1102 set_keep_msg(s, attr) |
7 | 1103 char_u *s; |
678 | 1104 int attr; |
7 | 1105 { |
1106 vim_free(keep_msg); | |
1107 if (s != NULL && msg_silent == 0) | |
1108 keep_msg = vim_strsave(s); | |
1109 else | |
1110 keep_msg = NULL; | |
127 | 1111 keep_msg_more = FALSE; |
678 | 1112 keep_msg_attr = attr; |
7 | 1113 } |
1114 | |
678 | 1115 #if defined(FEAT_TERMRESPONSE) || defined(PROTO) |
1116 /* | |
1117 * If there currently is a message being displayed, set "keep_msg" to it, so | |
1118 * that it will be displayed again after redraw. | |
1119 */ | |
1120 void | |
1121 set_keep_msg_from_hist() | |
1122 { | |
1123 if (keep_msg == NULL && last_msg_hist != NULL && msg_scrolled == 0 | |
1124 && (State & NORMAL)) | |
1125 set_keep_msg(last_msg_hist->msg, last_msg_hist->attr); | |
1126 } | |
1127 #endif | |
1128 | |
7 | 1129 /* |
1130 * Prepare for outputting characters in the command line. | |
1131 */ | |
1132 void | |
1133 msg_start() | |
1134 { | |
1135 int did_return = FALSE; | |
1136 | |
1137 vim_free(keep_msg); | |
1138 keep_msg = NULL; /* don't display old message now */ | |
1619 | 1139 |
1140 #ifdef FEAT_EVAL | |
1141 if (need_clr_eos) | |
1142 { | |
1143 /* Halfway an ":echo" command and getting an (error) message: clear | |
1144 * any text from the command. */ | |
1145 need_clr_eos = FALSE; | |
1146 msg_clr_eos(); | |
1147 } | |
1148 #endif | |
1149 | |
7 | 1150 if (!msg_scroll && full_screen) /* overwrite last message */ |
1151 { | |
1152 msg_row = cmdline_row; | |
1153 msg_col = | |
1154 #ifdef FEAT_RIGHTLEFT | |
1155 cmdmsg_rl ? Columns - 1 : | |
1156 #endif | |
1157 0; | |
1158 } | |
1159 else if (msg_didout) /* start message on next line */ | |
1160 { | |
1161 msg_putchar('\n'); | |
1162 did_return = TRUE; | |
1163 if (exmode_active != EXMODE_NORMAL) | |
1164 cmdline_row = msg_row; | |
1165 } | |
1166 if (!msg_didany || lines_left < 0) | |
1167 msg_starthere(); | |
1168 if (msg_silent == 0) | |
1169 { | |
1170 msg_didout = FALSE; /* no output on current line yet */ | |
1171 cursor_off(); | |
1172 } | |
1173 | |
1174 /* when redirecting, may need to start a new line. */ | |
1175 if (!did_return) | |
1176 redir_write((char_u *)"\n", -1); | |
1177 } | |
1178 | |
1179 /* | |
1180 * Note that the current msg position is where messages start. | |
1181 */ | |
1182 void | |
1183 msg_starthere() | |
1184 { | |
1185 lines_left = cmdline_row; | |
1186 msg_didany = FALSE; | |
1187 } | |
1188 | |
1189 void | |
1190 msg_putchar(c) | |
1191 int c; | |
1192 { | |
1193 msg_putchar_attr(c, 0); | |
1194 } | |
1195 | |
1196 void | |
1197 msg_putchar_attr(c, attr) | |
1198 int c; | |
1199 int attr; | |
1200 { | |
1201 #ifdef FEAT_MBYTE | |
1202 char_u buf[MB_MAXBYTES + 1]; | |
1203 #else | |
1204 char_u buf[4]; | |
1205 #endif | |
1206 | |
1207 if (IS_SPECIAL(c)) | |
1208 { | |
1209 buf[0] = K_SPECIAL; | |
1210 buf[1] = K_SECOND(c); | |
1211 buf[2] = K_THIRD(c); | |
1212 buf[3] = NUL; | |
1213 } | |
1214 else | |
1215 { | |
1216 #ifdef FEAT_MBYTE | |
1217 buf[(*mb_char2bytes)(c, buf)] = NUL; | |
1218 #else | |
1219 buf[0] = c; | |
1220 buf[1] = NUL; | |
1221 #endif | |
1222 } | |
1223 msg_puts_attr(buf, attr); | |
1224 } | |
1225 | |
1226 void | |
1227 msg_outnum(n) | |
1228 long n; | |
1229 { | |
1230 char_u buf[20]; | |
1231 | |
1232 sprintf((char *)buf, "%ld", n); | |
1233 msg_puts(buf); | |
1234 } | |
1235 | |
1236 void | |
1237 msg_home_replace(fname) | |
1238 char_u *fname; | |
1239 { | |
1240 msg_home_replace_attr(fname, 0); | |
1241 } | |
1242 | |
1243 #if defined(FEAT_FIND_ID) || defined(PROTO) | |
1244 void | |
1245 msg_home_replace_hl(fname) | |
1246 char_u *fname; | |
1247 { | |
1248 msg_home_replace_attr(fname, hl_attr(HLF_D)); | |
1249 } | |
1250 #endif | |
1251 | |
1252 static void | |
1253 msg_home_replace_attr(fname, attr) | |
1254 char_u *fname; | |
1255 int attr; | |
1256 { | |
1257 char_u *name; | |
1258 | |
1259 name = home_replace_save(NULL, fname); | |
1260 if (name != NULL) | |
1261 msg_outtrans_attr(name, attr); | |
1262 vim_free(name); | |
1263 } | |
1264 | |
1265 /* | |
1266 * Output 'len' characters in 'str' (including NULs) with translation | |
1267 * if 'len' is -1, output upto a NUL character. | |
1268 * Use attributes 'attr'. | |
1269 * Return the number of characters it takes on the screen. | |
1270 */ | |
1271 int | |
1272 msg_outtrans(str) | |
1273 char_u *str; | |
1274 { | |
1275 return msg_outtrans_attr(str, 0); | |
1276 } | |
1277 | |
1278 int | |
1279 msg_outtrans_attr(str, attr) | |
1280 char_u *str; | |
1281 int attr; | |
1282 { | |
1283 return msg_outtrans_len_attr(str, (int)STRLEN(str), attr); | |
1284 } | |
1285 | |
1286 int | |
1287 msg_outtrans_len(str, len) | |
1288 char_u *str; | |
1289 int len; | |
1290 { | |
1291 return msg_outtrans_len_attr(str, len, 0); | |
1292 } | |
1293 | |
1294 /* | |
1295 * Output one character at "p". Return pointer to the next character. | |
1296 * Handles multi-byte characters. | |
1297 */ | |
1298 char_u * | |
1299 msg_outtrans_one(p, attr) | |
1300 char_u *p; | |
1301 int attr; | |
1302 { | |
1303 #ifdef FEAT_MBYTE | |
1304 int l; | |
1305 | |
474 | 1306 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) |
7 | 1307 { |
1308 msg_outtrans_len_attr(p, l, attr); | |
1309 return p + l; | |
1310 } | |
1311 #endif | |
1312 msg_puts_attr(transchar_byte(*p), attr); | |
1313 return p + 1; | |
1314 } | |
1315 | |
1316 int | |
1317 msg_outtrans_len_attr(msgstr, len, attr) | |
1318 char_u *msgstr; | |
1319 int len; | |
1320 int attr; | |
1321 { | |
1322 int retval = 0; | |
1323 char_u *str = msgstr; | |
1324 char_u *plain_start = msgstr; | |
1325 char_u *s; | |
1326 #ifdef FEAT_MBYTE | |
1327 int mb_l; | |
1328 int c; | |
1329 #endif | |
1330 | |
1331 /* if MSG_HIST flag set, add message to history */ | |
1332 if (attr & MSG_HIST) | |
1333 { | |
1334 add_msg_hist(str, len, attr); | |
1335 attr &= ~MSG_HIST; | |
1336 } | |
1337 | |
1338 #ifdef FEAT_MBYTE | |
1339 /* If the string starts with a composing character first draw a space on | |
1340 * which the composing char can be drawn. */ | |
1341 if (enc_utf8 && utf_iscomposing(utf_ptr2char(msgstr))) | |
1342 msg_puts_attr((char_u *)" ", attr); | |
1343 #endif | |
1344 | |
1345 /* | |
1346 * Go over the string. Special characters are translated and printed. | |
1347 * Normal characters are printed several at a time. | |
1348 */ | |
1349 while (--len >= 0) | |
1350 { | |
1351 #ifdef FEAT_MBYTE | |
1352 if (enc_utf8) | |
1353 /* Don't include composing chars after the end. */ | |
474 | 1354 mb_l = utfc_ptr2len_len(str, len + 1); |
7 | 1355 else if (has_mbyte) |
474 | 1356 mb_l = (*mb_ptr2len)(str); |
7 | 1357 else |
1358 mb_l = 1; | |
1359 if (has_mbyte && mb_l > 1) | |
1360 { | |
1361 c = (*mb_ptr2char)(str); | |
1362 if (vim_isprintc(c)) | |
1363 /* printable multi-byte char: count the cells. */ | |
1364 retval += (*mb_ptr2cells)(str); | |
1365 else | |
1366 { | |
1367 /* unprintable multi-byte char: print the printable chars so | |
1368 * far and the translation of the unprintable char. */ | |
1369 if (str > plain_start) | |
1370 msg_puts_attr_len(plain_start, (int)(str - plain_start), | |
1371 attr); | |
1372 plain_start = str + mb_l; | |
1373 msg_puts_attr(transchar(c), attr == 0 ? hl_attr(HLF_8) : attr); | |
1374 retval += char2cells(c); | |
1375 } | |
1376 len -= mb_l - 1; | |
1377 str += mb_l; | |
1378 } | |
1379 else | |
1380 #endif | |
1381 { | |
1382 s = transchar_byte(*str); | |
1383 if (s[1] != NUL) | |
1384 { | |
1385 /* unprintable char: print the printable chars so far and the | |
1386 * translation of the unprintable char. */ | |
1387 if (str > plain_start) | |
1388 msg_puts_attr_len(plain_start, (int)(str - plain_start), | |
1389 attr); | |
1390 plain_start = str + 1; | |
1391 msg_puts_attr(s, attr == 0 ? hl_attr(HLF_8) : attr); | |
1668 | 1392 retval += (int)STRLEN(s); |
7 | 1393 } |
1663 | 1394 else |
1395 ++retval; | |
7 | 1396 ++str; |
1397 } | |
1398 } | |
1399 | |
1400 if (str > plain_start) | |
1401 /* print the printable chars at the end */ | |
1402 msg_puts_attr_len(plain_start, (int)(str - plain_start), attr); | |
1403 | |
1404 return retval; | |
1405 } | |
1406 | |
1407 #if defined(FEAT_QUICKFIX) || defined(PROTO) | |
1408 void | |
1409 msg_make(arg) | |
1410 char_u *arg; | |
1411 { | |
1412 int i; | |
1413 static char_u *str = (char_u *)"eeffoc", *rs = (char_u *)"Plon#dqg#vxjduB"; | |
1414 | |
1415 arg = skipwhite(arg); | |
1416 for (i = 5; *arg && i >= 0; --i) | |
1417 if (*arg++ != str[i]) | |
1418 break; | |
1419 if (i < 0) | |
1420 { | |
1421 msg_putchar('\n'); | |
1422 for (i = 0; rs[i]; ++i) | |
1423 msg_putchar(rs[i] - 3); | |
1424 } | |
1425 } | |
1426 #endif | |
1427 | |
1428 /* | |
1429 * Output the string 'str' upto a NUL character. | |
1430 * Return the number of characters it takes on the screen. | |
1431 * | |
1432 * If K_SPECIAL is encountered, then it is taken in conjunction with the | |
1433 * following character and shown as <F1>, <S-Up> etc. Any other character | |
1434 * which is not printable shown in <> form. | |
1435 * If 'from' is TRUE (lhs of a mapping), a space is shown as <Space>. | |
1436 * If a character is displayed in one of these special ways, is also | |
1437 * highlighted (its highlight name is '8' in the p_hl variable). | |
1438 * Otherwise characters are not highlighted. | |
1439 * This function is used to show mappings, where we want to see how to type | |
1440 * the character/string -- webb | |
1441 */ | |
1442 int | |
1443 msg_outtrans_special(strstart, from) | |
1444 char_u *strstart; | |
1445 int from; /* TRUE for lhs of a mapping */ | |
1446 { | |
1447 char_u *str = strstart; | |
1448 int retval = 0; | |
1449 char_u *string; | |
1450 int attr; | |
1451 int len; | |
1452 | |
1453 attr = hl_attr(HLF_8); | |
1454 while (*str != NUL) | |
1455 { | |
1456 /* Leading and trailing spaces need to be displayed in <> form. */ | |
1457 if ((str == strstart || str[1] == NUL) && *str == ' ') | |
1458 { | |
1459 string = (char_u *)"<Space>"; | |
1460 ++str; | |
1461 } | |
1462 else | |
1463 string = str2special(&str, from); | |
1464 len = vim_strsize(string); | |
1465 /* Highlight special keys */ | |
1466 msg_puts_attr(string, len > 1 | |
1467 #ifdef FEAT_MBYTE | |
474 | 1468 && (*mb_ptr2len)(string) <= 1 |
7 | 1469 #endif |
1470 ? attr : 0); | |
1471 retval += len; | |
1472 } | |
1473 return retval; | |
1474 } | |
1475 | |
1476 /* | |
1477 * Return the printable string for the key codes at "*sp". | |
1478 * Used for translating the lhs or rhs of a mapping to printable chars. | |
1479 * Advances "sp" to the next code. | |
1480 */ | |
1481 char_u * | |
1482 str2special(sp, from) | |
1483 char_u **sp; | |
1484 int from; /* TRUE for lhs of mapping */ | |
1485 { | |
1486 int c; | |
1487 static char_u buf[7]; | |
1488 char_u *str = *sp; | |
1489 int modifiers = 0; | |
1490 int special = FALSE; | |
1491 | |
1492 #ifdef FEAT_MBYTE | |
1493 if (has_mbyte) | |
1494 { | |
1495 char_u *p; | |
1496 | |
1497 /* Try to un-escape a multi-byte character. Return the un-escaped | |
1498 * string if it is a multi-byte character. */ | |
1499 p = mb_unescape(sp); | |
1500 if (p != NULL) | |
1501 return p; | |
1502 } | |
1503 #endif | |
1504 | |
1505 c = *str; | |
1506 if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL) | |
1507 { | |
1508 if (str[1] == KS_MODIFIER) | |
1509 { | |
1510 modifiers = str[2]; | |
1511 str += 3; | |
1512 c = *str; | |
1513 } | |
1514 if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL) | |
1515 { | |
1516 c = TO_SPECIAL(str[1], str[2]); | |
1517 str += 2; | |
1518 if (c == K_ZERO) /* display <Nul> as ^@ */ | |
1519 c = NUL; | |
1520 } | |
1521 if (IS_SPECIAL(c) || modifiers) /* special key */ | |
1522 special = TRUE; | |
1523 } | |
1524 *sp = str + 1; | |
1525 | |
1526 #ifdef FEAT_MBYTE | |
1527 /* For multi-byte characters check for an illegal byte. */ | |
474 | 1528 if (has_mbyte && MB_BYTE2LEN(*str) > (*mb_ptr2len)(str)) |
7 | 1529 { |
1530 transchar_nonprint(buf, c); | |
1531 return buf; | |
1532 } | |
1533 #endif | |
1534 | |
1535 /* Make unprintable characters in <> form, also <M-Space> and <Tab>. | |
1536 * Use <Space> only for lhs of a mapping. */ | |
1537 if (special || char2cells(c) > 1 || (from && c == ' ')) | |
1538 return get_special_key_name(c, modifiers); | |
1539 buf[0] = c; | |
1540 buf[1] = NUL; | |
1541 return buf; | |
1542 } | |
1543 | |
1544 /* | |
1545 * Translate a key sequence into special key names. | |
1546 */ | |
1547 void | |
1548 str2specialbuf(sp, buf, len) | |
1549 char_u *sp; | |
1550 char_u *buf; | |
1551 int len; | |
1552 { | |
1553 char_u *s; | |
1554 | |
1555 *buf = NUL; | |
1556 while (*sp) | |
1557 { | |
1558 s = str2special(&sp, FALSE); | |
1559 if ((int)(STRLEN(s) + STRLEN(buf)) < len) | |
1560 STRCAT(buf, s); | |
1561 } | |
1562 } | |
1563 | |
1564 /* | |
1565 * print line for :print or :list command | |
1566 */ | |
1567 void | |
167 | 1568 msg_prt_line(s, list) |
7 | 1569 char_u *s; |
167 | 1570 int list; |
7 | 1571 { |
1572 int c; | |
1573 int col = 0; | |
1574 int n_extra = 0; | |
1575 int c_extra = 0; | |
1576 char_u *p_extra = NULL; /* init to make SASC shut up */ | |
1577 int n; | |
1059 | 1578 int attr = 0; |
7 | 1579 char_u *trail = NULL; |
1580 #ifdef FEAT_MBYTE | |
1581 int l; | |
1582 char_u buf[MB_MAXBYTES + 1]; | |
1583 #endif | |
1584 | |
167 | 1585 if (curwin->w_p_list) |
1586 list = TRUE; | |
1587 | |
7 | 1588 /* find start of trailing whitespace */ |
167 | 1589 if (list && lcs_trail) |
7 | 1590 { |
1591 trail = s + STRLEN(s); | |
1592 while (trail > s && vim_iswhite(trail[-1])) | |
1593 --trail; | |
1594 } | |
1595 | |
1596 /* output a space for an empty line, otherwise the line will be | |
1597 * overwritten */ | |
167 | 1598 if (*s == NUL && !(list && lcs_eol != NUL)) |
7 | 1599 msg_putchar(' '); |
1600 | |
446 | 1601 while (!got_int) |
7 | 1602 { |
1059 | 1603 if (n_extra > 0) |
7 | 1604 { |
1605 --n_extra; | |
1606 if (c_extra) | |
1607 c = c_extra; | |
1608 else | |
1609 c = *p_extra++; | |
1610 } | |
1611 #ifdef FEAT_MBYTE | |
474 | 1612 else if (has_mbyte && (l = (*mb_ptr2len)(s)) > 1) |
7 | 1613 { |
1614 col += (*mb_ptr2cells)(s); | |
1615 mch_memmove(buf, s, (size_t)l); | |
1616 buf[l] = NUL; | |
1059 | 1617 msg_puts(buf); |
7 | 1618 s += l; |
1619 continue; | |
1620 } | |
1621 #endif | |
1622 else | |
1623 { | |
1624 attr = 0; | |
1625 c = *s++; | |
167 | 1626 if (c == TAB && (!list || lcs_tab1)) |
7 | 1627 { |
1628 /* tab amount depends on current column */ | |
1629 n_extra = curbuf->b_p_ts - col % curbuf->b_p_ts - 1; | |
167 | 1630 if (!list) |
7 | 1631 { |
1632 c = ' '; | |
1633 c_extra = ' '; | |
1634 } | |
1635 else | |
1636 { | |
1637 c = lcs_tab1; | |
1638 c_extra = lcs_tab2; | |
1639 attr = hl_attr(HLF_8); | |
1640 } | |
1641 } | |
167 | 1642 else if (c == NUL && list && lcs_eol != NUL) |
7 | 1643 { |
1644 p_extra = (char_u *)""; | |
1645 c_extra = NUL; | |
1646 n_extra = 1; | |
1647 c = lcs_eol; | |
1648 attr = hl_attr(HLF_AT); | |
1649 --s; | |
1650 } | |
1651 else if (c != NUL && (n = byte2cells(c)) > 1) | |
1652 { | |
1653 n_extra = n - 1; | |
1654 p_extra = transchar_byte(c); | |
1655 c_extra = NUL; | |
1656 c = *p_extra++; | |
1059 | 1657 /* Use special coloring to be able to distinguish <hex> from |
1658 * the same in plain text. */ | |
1659 attr = hl_attr(HLF_8); | |
7 | 1660 } |
1661 else if (c == ' ' && trail != NULL && s > trail) | |
1662 { | |
1663 c = lcs_trail; | |
1664 attr = hl_attr(HLF_8); | |
1665 } | |
1666 } | |
1667 | |
1668 if (c == NUL) | |
1669 break; | |
1670 | |
1671 msg_putchar_attr(c, attr); | |
1672 col++; | |
1673 } | |
1674 msg_clr_eos(); | |
1675 } | |
1676 | |
1677 #ifdef FEAT_MBYTE | |
1678 /* | |
1679 * Use screen_puts() to output one multi-byte character. | |
1680 * Return the pointer "s" advanced to the next character. | |
1681 */ | |
1682 static char_u * | |
1683 screen_puts_mbyte(s, l, attr) | |
1684 char_u *s; | |
1685 int l; | |
1686 int attr; | |
1687 { | |
1688 int cw; | |
1689 | |
1690 msg_didout = TRUE; /* remember that line is not empty */ | |
1691 cw = (*mb_ptr2cells)(s); | |
1692 if (cw > 1 && ( | |
1693 #ifdef FEAT_RIGHTLEFT | |
1694 cmdmsg_rl ? msg_col <= 1 : | |
1695 #endif | |
1696 msg_col == Columns - 1)) | |
1697 { | |
1698 /* Doesn't fit, print a highlighted '>' to fill it up. */ | |
1699 msg_screen_putchar('>', hl_attr(HLF_AT)); | |
1700 return s; | |
1701 } | |
1702 | |
1703 screen_puts_len(s, l, msg_row, msg_col, attr); | |
1704 #ifdef FEAT_RIGHTLEFT | |
1705 if (cmdmsg_rl) | |
1706 { | |
1707 msg_col -= cw; | |
1708 if (msg_col == 0) | |
1709 { | |
1710 msg_col = Columns; | |
1711 ++msg_row; | |
1712 } | |
1713 } | |
1714 else | |
1715 #endif | |
1716 { | |
1717 msg_col += cw; | |
1718 if (msg_col >= Columns) | |
1719 { | |
1720 msg_col = 0; | |
1721 ++msg_row; | |
1722 } | |
1723 } | |
1724 return s + l; | |
1725 } | |
1726 #endif | |
1727 | |
1728 /* | |
1729 * Output a string to the screen at position msg_row, msg_col. | |
1730 * Update msg_row and msg_col for the next message. | |
1731 */ | |
1732 void | |
1733 msg_puts(s) | |
1734 char_u *s; | |
1735 { | |
1736 msg_puts_attr(s, 0); | |
1737 } | |
1738 | |
1739 void | |
1740 msg_puts_title(s) | |
1741 char_u *s; | |
1742 { | |
1743 msg_puts_attr(s, hl_attr(HLF_T)); | |
1744 } | |
1745 | |
1746 /* | |
1747 * Show a message in such a way that it always fits in the line. Cut out a | |
1748 * part in the middle and replace it with "..." when necessary. | |
1749 * Does not handle multi-byte characters! | |
1750 */ | |
1751 void | |
1752 msg_puts_long_attr(longstr, attr) | |
1753 char_u *longstr; | |
1754 int attr; | |
1755 { | |
714 | 1756 msg_puts_long_len_attr(longstr, (int)STRLEN(longstr), attr); |
7 | 1757 } |
1758 | |
1759 void | |
1760 msg_puts_long_len_attr(longstr, len, attr) | |
1761 char_u *longstr; | |
1762 int len; | |
1763 int attr; | |
1764 { | |
1765 int slen = len; | |
1766 int room; | |
1767 | |
1768 room = Columns - msg_col; | |
1769 if (len > room && room >= 20) | |
1770 { | |
1771 slen = (room - 3) / 2; | |
1772 msg_outtrans_len_attr(longstr, slen, attr); | |
1773 msg_puts_attr((char_u *)"...", hl_attr(HLF_8)); | |
1774 } | |
1775 msg_outtrans_len_attr(longstr + len - slen, slen, attr); | |
1776 } | |
1777 | |
1778 /* | |
1779 * Basic function for writing a message with highlight attributes. | |
1780 */ | |
1781 void | |
1782 msg_puts_attr(s, attr) | |
1783 char_u *s; | |
1784 int attr; | |
1785 { | |
1786 msg_puts_attr_len(s, -1, attr); | |
1787 } | |
1788 | |
1789 /* | |
1790 * Like msg_puts_attr(), but with a maximum length "maxlen" (in bytes). | |
1791 * When "maxlen" is -1 there is no maximum length. | |
1792 * When "maxlen" is >= 0 the message is not put in the history. | |
1793 */ | |
1794 static void | |
1795 msg_puts_attr_len(str, maxlen, attr) | |
1796 char_u *str; | |
1797 int maxlen; | |
1798 int attr; | |
1799 { | |
1800 /* | |
1801 * If redirection is on, also write to the redirection file. | |
1802 */ | |
446 | 1803 redir_write(str, maxlen); |
7 | 1804 |
1805 /* | |
1806 * Don't print anything when using ":silent cmd". | |
1807 */ | |
1808 if (msg_silent != 0) | |
1809 return; | |
1810 | |
1811 /* if MSG_HIST flag set, add message to history */ | |
1812 if ((attr & MSG_HIST) && maxlen < 0) | |
1813 { | |
446 | 1814 add_msg_hist(str, -1, attr); |
7 | 1815 attr &= ~MSG_HIST; |
1816 } | |
1817 | |
1818 /* | |
1819 * When writing something to the screen after it has scrolled, requires a | |
1820 * wait-return prompt later. Needed when scrolling, resetting | |
1821 * need_wait_return after some prompt, and then outputting something | |
1822 * without scrolling | |
1823 */ | |
539 | 1824 if (msg_scrolled != 0 && !msg_scrolled_ign) |
7 | 1825 need_wait_return = TRUE; |
1826 msg_didany = TRUE; /* remember that something was outputted */ | |
1827 | |
1828 /* | |
1829 * If there is no valid screen, use fprintf so we can see error messages. | |
1830 * If termcap is not active, we may be writing in an alternate console | |
1831 * window, cursor positioning may not work correctly (window size may be | |
1832 * different, e.g. for Win32 console) or we just don't know where the | |
1833 * cursor is. | |
1834 */ | |
1835 if (msg_use_printf()) | |
446 | 1836 msg_puts_printf(str, maxlen); |
1837 else | |
1838 msg_puts_display(str, maxlen, attr, FALSE); | |
1839 } | |
1840 | |
1841 /* | |
1842 * The display part of msg_puts_attr_len(). | |
1843 * May be called recursively to display scroll-back text. | |
1844 */ | |
1845 static void | |
1846 msg_puts_display(str, maxlen, attr, recurse) | |
1847 char_u *str; | |
1848 int maxlen; | |
1849 int attr; | |
1850 int recurse; | |
1851 { | |
1852 char_u *s = str; | |
1853 char_u *t_s = str; /* string from "t_s" to "s" is still todo */ | |
1854 int t_col = 0; /* screen cells todo, 0 when "t_s" not used */ | |
1855 #ifdef FEAT_MBYTE | |
1856 int l; | |
1857 int cw; | |
7 | 1858 #endif |
446 | 1859 char_u *sb_str = str; |
1860 int sb_col = msg_col; | |
1861 int wrap; | |
1381 | 1862 int did_last_char; |
7 | 1863 |
1864 did_wait_return = FALSE; | |
1339 | 1865 while ((maxlen < 0 || (int)(s - str) < maxlen) && *s != NUL) |
7 | 1866 { |
1867 /* | |
446 | 1868 * We are at the end of the screen line when: |
1869 * - When outputting a newline. | |
1870 * - When outputting a character in the last column. | |
7 | 1871 */ |
446 | 1872 if (!recurse && msg_row >= Rows - 1 && (*s == '\n' || ( |
7 | 1873 #ifdef FEAT_RIGHTLEFT |
1874 cmdmsg_rl | |
1875 ? ( | |
1876 msg_col <= 1 | |
1877 || (*s == TAB && msg_col <= 7) | |
1878 # ifdef FEAT_MBYTE | |
1879 || (has_mbyte && (*mb_ptr2cells)(s) > 1 && msg_col <= 2) | |
1880 # endif | |
1881 ) | |
1882 : | |
1883 #endif | |
1884 (msg_col + t_col >= Columns - 1 | |
1885 || (*s == TAB && msg_col + t_col >= ((Columns - 1) & ~7)) | |
1886 # ifdef FEAT_MBYTE | |
1887 || (has_mbyte && (*mb_ptr2cells)(s) > 1 | |
1888 && msg_col + t_col >= Columns - 2) | |
1889 # endif | |
1890 )))) | |
1891 { | |
446 | 1892 /* |
1893 * The screen is scrolled up when at the last row (some terminals | |
1894 * scroll automatically, some don't. To avoid problems we scroll | |
1895 * ourselves). | |
1896 */ | |
7 | 1897 if (t_col > 0) |
1898 /* output postponed text */ | |
446 | 1899 t_puts(&t_col, t_s, s, attr); |
7 | 1900 |
1342 | 1901 /* When no more prompt and no more room, truncate here */ |
7 | 1902 if (msg_no_more && lines_left == 0) |
1903 break; | |
446 | 1904 |
1905 /* Scroll the screen up one line. */ | |
1906 msg_scroll_up(); | |
7 | 1907 |
1908 msg_row = Rows - 2; | |
1909 if (msg_col >= Columns) /* can happen after screen resize */ | |
1910 msg_col = Columns - 1; | |
1911 | |
446 | 1912 /* Display char in last column before showing more-prompt. */ |
1913 if (*s >= ' ' | |
1914 #ifdef FEAT_RIGHTLEFT | |
1915 && !cmdmsg_rl | |
1916 #endif | |
1917 ) | |
1918 { | |
1919 #ifdef FEAT_MBYTE | |
1920 if (has_mbyte) | |
1921 { | |
1922 if (enc_utf8 && maxlen >= 0) | |
1923 /* avoid including composing chars after the end */ | |
474 | 1924 l = utfc_ptr2len_len(s, (int)((str + maxlen) - s)); |
446 | 1925 else |
474 | 1926 l = (*mb_ptr2len)(s); |
446 | 1927 s = screen_puts_mbyte(s, l, attr); |
1928 } | |
1929 else | |
1930 #endif | |
1931 msg_screen_putchar(*s++, attr); | |
1381 | 1932 did_last_char = TRUE; |
446 | 1933 } |
1381 | 1934 else |
1935 did_last_char = FALSE; | |
446 | 1936 |
1937 if (p_more) | |
1938 /* store text for scrolling back */ | |
1939 store_sb_text(&sb_str, s, attr, &sb_col, TRUE); | |
1940 | |
539 | 1941 inc_msg_scrolled(); |
446 | 1942 need_wait_return = TRUE; /* may need wait_return in main() */ |
7 | 1943 if (must_redraw < VALID) |
1944 must_redraw = VALID; | |
1945 redraw_cmdline = TRUE; | |
1946 if (cmdline_row > 0 && !exmode_active) | |
1947 --cmdline_row; | |
1948 | |
1949 /* | |
446 | 1950 * If screen is completely filled and 'more' is set then wait |
1951 * for a character. | |
7 | 1952 */ |
1342 | 1953 if (lines_left > 0) |
1954 --lines_left; | |
957 | 1955 if (p_more && lines_left == 0 && State != HITRETURN |
7 | 1956 && !msg_no_more && !exmode_active) |
1957 { | |
1958 #ifdef FEAT_CON_DIALOG | |
446 | 1959 if (do_more_prompt(NUL)) |
1960 s = confirm_msg_tail; | |
1961 #else | |
1962 (void)do_more_prompt(NUL); | |
7 | 1963 #endif |
1964 if (quit_more) | |
446 | 1965 return; |
7 | 1966 } |
539 | 1967 |
1968 /* When we displayed a char in last column need to check if there | |
1969 * is still more. */ | |
1381 | 1970 if (did_last_char) |
539 | 1971 continue; |
7 | 1972 } |
1973 | |
446 | 1974 wrap = *s == '\n' |
7 | 1975 || msg_col + t_col >= Columns |
1976 #ifdef FEAT_MBYTE | |
1977 || (has_mbyte && (*mb_ptr2cells)(s) > 1 | |
1978 && msg_col + t_col >= Columns - 1) | |
1979 #endif | |
446 | 1980 ; |
1981 if (t_col > 0 && (wrap || *s == '\r' || *s == '\b' | |
1982 || *s == '\t' || *s == BELL)) | |
7 | 1983 /* output any postponed text */ |
446 | 1984 t_puts(&t_col, t_s, s, attr); |
1985 | |
1986 if (wrap && p_more && !recurse) | |
1987 /* store text for scrolling back */ | |
1988 store_sb_text(&sb_str, s, attr, &sb_col, TRUE); | |
7 | 1989 |
1990 if (*s == '\n') /* go to next line */ | |
1991 { | |
1992 msg_didout = FALSE; /* remember that line is empty */ | |
474 | 1993 #ifdef FEAT_RIGHTLEFT |
1994 if (cmdmsg_rl) | |
1995 msg_col = Columns - 1; | |
1996 else | |
1997 #endif | |
1998 msg_col = 0; | |
7 | 1999 if (++msg_row >= Rows) /* safety check */ |
2000 msg_row = Rows - 1; | |
2001 } | |
2002 else if (*s == '\r') /* go to column 0 */ | |
2003 { | |
2004 msg_col = 0; | |
2005 } | |
2006 else if (*s == '\b') /* go to previous char */ | |
2007 { | |
2008 if (msg_col) | |
2009 --msg_col; | |
2010 } | |
446 | 2011 else if (*s == TAB) /* translate Tab into spaces */ |
7 | 2012 { |
2013 do | |
2014 msg_screen_putchar(' ', attr); | |
2015 while (msg_col & 7); | |
2016 } | |
2017 else if (*s == BELL) /* beep (from ":sh") */ | |
2018 vim_beep(); | |
2019 else | |
2020 { | |
2021 #ifdef FEAT_MBYTE | |
2022 if (has_mbyte) | |
2023 { | |
2024 cw = (*mb_ptr2cells)(s); | |
2025 if (enc_utf8 && maxlen >= 0) | |
2026 /* avoid including composing chars after the end */ | |
474 | 2027 l = utfc_ptr2len_len(s, (int)((str + maxlen) - s)); |
7 | 2028 else |
474 | 2029 l = (*mb_ptr2len)(s); |
7 | 2030 } |
2031 else | |
2032 { | |
2033 cw = 1; | |
2034 l = 1; | |
2035 } | |
2036 #endif | |
2037 /* When drawing from right to left or when a double-wide character | |
2038 * doesn't fit, draw a single character here. Otherwise collect | |
2039 * characters and draw them all at once later. */ | |
2040 #if defined(FEAT_RIGHTLEFT) || defined(FEAT_MBYTE) | |
2041 if ( | |
2042 # ifdef FEAT_RIGHTLEFT | |
2043 cmdmsg_rl | |
2044 # ifdef FEAT_MBYTE | |
2045 || | |
2046 # endif | |
2047 # endif | |
2048 # ifdef FEAT_MBYTE | |
2049 (cw > 1 && msg_col + t_col >= Columns - 1) | |
2050 # endif | |
2051 ) | |
2052 { | |
2053 # ifdef FEAT_MBYTE | |
2054 if (l > 1) | |
2055 s = screen_puts_mbyte(s, l, attr) - 1; | |
2056 else | |
2057 # endif | |
2058 msg_screen_putchar(*s, attr); | |
2059 } | |
2060 else | |
2061 #endif | |
2062 { | |
2063 /* postpone this character until later */ | |
2064 if (t_col == 0) | |
2065 t_s = s; | |
2066 #ifdef FEAT_MBYTE | |
2067 t_col += cw; | |
2068 s += l - 1; | |
2069 #else | |
2070 ++t_col; | |
2071 #endif | |
2072 } | |
2073 } | |
2074 ++s; | |
2075 } | |
2076 | |
2077 /* output any postponed text */ | |
2078 if (t_col > 0) | |
446 | 2079 t_puts(&t_col, t_s, s, attr); |
2080 if (p_more && !recurse) | |
2081 store_sb_text(&sb_str, s, attr, &sb_col, FALSE); | |
7 | 2082 |
2083 msg_check(); | |
2084 } | |
2085 | |
2086 /* | |
446 | 2087 * Scroll the screen up one line for displaying the next message line. |
2088 */ | |
2089 static void | |
2090 msg_scroll_up() | |
2091 { | |
2092 #ifdef FEAT_GUI | |
2093 /* Remove the cursor before scrolling, ScreenLines[] is going | |
2094 * to become invalid. */ | |
2095 if (gui.in_use) | |
2096 gui_undraw_cursor(); | |
2097 #endif | |
2098 /* scrolling up always works */ | |
2099 screen_del_lines(0, 0, 1, (int)Rows, TRUE, NULL); | |
2100 | |
2101 if (!can_clear((char_u *)" ")) | |
2102 { | |
2103 /* Scrolling up doesn't result in the right background. Set the | |
2104 * background here. It's not efficient, but avoids that we have to do | |
2105 * it all over the code. */ | |
2106 screen_fill((int)Rows - 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2107 | |
2108 /* Also clear the last char of the last but one line if it was not | |
2109 * cleared before to avoid a scroll-up. */ | |
2110 if (ScreenAttrs[LineOffset[Rows - 2] + Columns - 1] == (sattr_T)-1) | |
2111 screen_fill((int)Rows - 2, (int)Rows - 1, | |
2112 (int)Columns - 1, (int)Columns, ' ', ' ', 0); | |
2113 } | |
2114 } | |
2115 | |
2116 /* | |
539 | 2117 * Increment "msg_scrolled". |
2118 */ | |
2119 static void | |
2120 inc_msg_scrolled() | |
2121 { | |
2122 #ifdef FEAT_EVAL | |
2123 if (*get_vim_var_str(VV_SCROLLSTART) == NUL) | |
2124 { | |
2125 char_u *p = sourcing_name; | |
2126 char_u *tofree = NULL; | |
2127 int len; | |
2128 | |
2129 /* v:scrollstart is empty, set it to the script/function name and line | |
2130 * number */ | |
2131 if (p == NULL) | |
2132 p = (char_u *)_("Unknown"); | |
2133 else | |
2134 { | |
835 | 2135 len = (int)STRLEN(p) + 40; |
539 | 2136 tofree = alloc(len); |
2137 if (tofree != NULL) | |
2138 { | |
2139 vim_snprintf((char *)tofree, len, _("%s line %ld"), | |
2140 p, (long)sourcing_lnum); | |
2141 p = tofree; | |
2142 } | |
2143 } | |
2144 set_vim_var_string(VV_SCROLLSTART, p, -1); | |
2145 vim_free(tofree); | |
2146 } | |
2147 #endif | |
2148 ++msg_scrolled; | |
2149 } | |
2150 | |
2151 /* | |
446 | 2152 * To be able to scroll back at the "more" and "hit-enter" prompts we need to |
2153 * store the displayed text and remember where screen lines start. | |
2154 */ | |
2155 typedef struct msgchunk_S msgchunk_T; | |
2156 struct msgchunk_S | |
2157 { | |
2158 msgchunk_T *sb_next; | |
2159 msgchunk_T *sb_prev; | |
2160 char sb_eol; /* TRUE when line ends after this text */ | |
2161 int sb_msg_col; /* column in which text starts */ | |
2162 int sb_attr; /* text attributes */ | |
2163 char_u sb_text[1]; /* text to be displayed, actually longer */ | |
2164 }; | |
2165 | |
2166 static msgchunk_T *last_msgchunk = NULL; /* last displayed text */ | |
2167 | |
2168 static msgchunk_T *msg_sb_start __ARGS((msgchunk_T *mps)); | |
2169 static msgchunk_T *disp_sb_line __ARGS((int row, msgchunk_T *smp)); | |
2170 | |
447 | 2171 static int do_clear_sb_text = FALSE; /* clear text on next msg */ |
2172 | |
446 | 2173 /* |
2174 * Store part of a printed message for displaying when scrolling back. | |
2175 */ | |
2176 static void | |
2177 store_sb_text(sb_str, s, attr, sb_col, finish) | |
2178 char_u **sb_str; /* start of string */ | |
2179 char_u *s; /* just after string */ | |
2180 int attr; | |
2181 int *sb_col; | |
2182 int finish; /* line ends */ | |
2183 { | |
2184 msgchunk_T *mp; | |
2185 | |
447 | 2186 if (do_clear_sb_text) |
2187 { | |
2188 clear_sb_text(); | |
2189 do_clear_sb_text = FALSE; | |
2190 } | |
2191 | |
446 | 2192 if (s > *sb_str) |
2193 { | |
2194 mp = (msgchunk_T *)alloc((int)(sizeof(msgchunk_T) + (s - *sb_str))); | |
2195 if (mp != NULL) | |
2196 { | |
2197 mp->sb_eol = finish; | |
2198 mp->sb_msg_col = *sb_col; | |
2199 mp->sb_attr = attr; | |
2200 vim_strncpy(mp->sb_text, *sb_str, s - *sb_str); | |
2201 | |
2202 if (last_msgchunk == NULL) | |
2203 { | |
2204 last_msgchunk = mp; | |
2205 mp->sb_prev = NULL; | |
2206 } | |
2207 else | |
2208 { | |
2209 mp->sb_prev = last_msgchunk; | |
2210 last_msgchunk->sb_next = mp; | |
2211 last_msgchunk = mp; | |
2212 } | |
2213 mp->sb_next = NULL; | |
2214 } | |
2215 } | |
2216 else if (finish && last_msgchunk != NULL) | |
2217 last_msgchunk->sb_eol = TRUE; | |
2218 | |
2219 *sb_str = s; | |
2220 *sb_col = 0; | |
2221 } | |
2222 | |
2223 /* | |
447 | 2224 * Finished showing messages, clear the scroll-back text on the next message. |
2225 */ | |
2226 void | |
2227 may_clear_sb_text() | |
2228 { | |
2229 do_clear_sb_text = TRUE; | |
2230 } | |
2231 | |
2232 /* | |
446 | 2233 * Clear any text remembered for scrolling back. |
2234 * Called when redrawing the screen. | |
2235 */ | |
2236 void | |
2237 clear_sb_text() | |
2238 { | |
2239 msgchunk_T *mp; | |
2240 | |
2241 while (last_msgchunk != NULL) | |
2242 { | |
2243 mp = last_msgchunk->sb_prev; | |
2244 vim_free(last_msgchunk); | |
2245 last_msgchunk = mp; | |
2246 } | |
2247 } | |
2248 | |
2249 /* | |
447 | 2250 * "g<" command. |
2251 */ | |
2252 void | |
2253 show_sb_text() | |
2254 { | |
2255 msgchunk_T *mp; | |
2256 | |
1342 | 2257 /* Only show something if there is more than one line, otherwise it looks |
447 | 2258 * weird, typing a command without output results in one line. */ |
2259 mp = msg_sb_start(last_msgchunk); | |
2260 if (mp == NULL || mp->sb_prev == NULL) | |
2261 vim_beep(); | |
2262 else | |
2263 { | |
2264 do_more_prompt('G'); | |
2265 wait_return(FALSE); | |
2266 } | |
2267 } | |
2268 | |
2269 /* | |
446 | 2270 * Move to the start of screen line in already displayed text. |
2271 */ | |
2272 static msgchunk_T * | |
2273 msg_sb_start(mps) | |
2274 msgchunk_T *mps; | |
2275 { | |
2276 msgchunk_T *mp = mps; | |
2277 | |
2278 while (mp != NULL && mp->sb_prev != NULL && !mp->sb_prev->sb_eol) | |
2279 mp = mp->sb_prev; | |
2280 return mp; | |
2281 } | |
2282 | |
2283 /* | |
2284 * Display a screen line from previously displayed text at row "row". | |
2285 * Returns a pointer to the text for the next line (can be NULL). | |
2286 */ | |
2287 static msgchunk_T * | |
2288 disp_sb_line(row, smp) | |
2289 int row; | |
2290 msgchunk_T *smp; | |
2291 { | |
2292 msgchunk_T *mp = smp; | |
2293 char_u *p; | |
2294 | |
2295 for (;;) | |
2296 { | |
2297 msg_row = row; | |
2298 msg_col = mp->sb_msg_col; | |
2299 p = mp->sb_text; | |
2300 if (*p == '\n') /* don't display the line break */ | |
2301 ++p; | |
2302 msg_puts_display(p, -1, mp->sb_attr, TRUE); | |
2303 if (mp->sb_eol || mp->sb_next == NULL) | |
2304 break; | |
2305 mp = mp->sb_next; | |
2306 } | |
2307 return mp->sb_next; | |
2308 } | |
2309 | |
2310 /* | |
7 | 2311 * Output any postponed text for msg_puts_attr_len(). |
2312 */ | |
2313 static void | |
2314 t_puts(t_col, t_s, s, attr) | |
446 | 2315 int *t_col; |
7 | 2316 char_u *t_s; |
2317 char_u *s; | |
2318 int attr; | |
2319 { | |
2320 /* output postponed text */ | |
2321 msg_didout = TRUE; /* remember that line is not empty */ | |
2322 screen_puts_len(t_s, (int)(s - t_s), msg_row, msg_col, attr); | |
446 | 2323 msg_col += *t_col; |
2324 *t_col = 0; | |
7 | 2325 #ifdef FEAT_MBYTE |
2326 /* If the string starts with a composing character don't increment the | |
2327 * column position for it. */ | |
2328 if (enc_utf8 && utf_iscomposing(utf_ptr2char(t_s))) | |
2329 --msg_col; | |
2330 #endif | |
2331 if (msg_col >= Columns) | |
2332 { | |
2333 msg_col = 0; | |
2334 ++msg_row; | |
2335 } | |
2336 } | |
2337 | |
2338 /* | |
2339 * Returns TRUE when messages should be printed with mch_errmsg(). | |
2340 * This is used when there is no valid screen, so we can see error messages. | |
2341 * If termcap is not active, we may be writing in an alternate console | |
2342 * window, cursor positioning may not work correctly (window size may be | |
2343 * different, e.g. for Win32 console) or we just don't know where the | |
2344 * cursor is. | |
2345 */ | |
2346 int | |
2347 msg_use_printf() | |
2348 { | |
2349 return (!msg_check_screen() | |
2350 #if defined(WIN3264) && !defined(FEAT_GUI_MSWIN) | |
2351 || !termcap_active | |
2352 #endif | |
2353 || (swapping_screen() && !termcap_active) | |
2354 ); | |
2355 } | |
2356 | |
446 | 2357 /* |
2358 * Print a message when there is no valid screen. | |
2359 */ | |
2360 static void | |
2361 msg_puts_printf(str, maxlen) | |
2362 char_u *str; | |
2363 int maxlen; | |
2364 { | |
2365 char_u *s = str; | |
2366 char_u buf[4]; | |
2367 char_u *p; | |
2368 | |
2369 #ifdef WIN3264 | |
2370 if (!(silent_mode && p_verbose == 0)) | |
2371 mch_settmode(TMODE_COOK); /* handle '\r' and '\n' correctly */ | |
2372 #endif | |
2373 while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) | |
2374 { | |
2375 if (!(silent_mode && p_verbose == 0)) | |
2376 { | |
2377 /* NL --> CR NL translation (for Unix, not for "--version") */ | |
2378 /* NL --> CR translation (for Mac) */ | |
2379 p = &buf[0]; | |
2380 if (*s == '\n' && !info_message) | |
2381 *p++ = '\r'; | |
2382 #if defined(USE_CR) && !defined(MACOS_X_UNIX) | |
2383 else | |
2384 #endif | |
2385 *p++ = *s; | |
2386 *p = '\0'; | |
2387 if (info_message) /* informative message, not an error */ | |
2388 mch_msg((char *)buf); | |
2389 else | |
2390 mch_errmsg((char *)buf); | |
2391 } | |
2392 | |
2393 /* primitive way to compute the current column */ | |
2394 #ifdef FEAT_RIGHTLEFT | |
2395 if (cmdmsg_rl) | |
2396 { | |
2397 if (*s == '\r' || *s == '\n') | |
2398 msg_col = Columns - 1; | |
2399 else | |
2400 --msg_col; | |
2401 } | |
2402 else | |
2403 #endif | |
2404 { | |
2405 if (*s == '\r' || *s == '\n') | |
2406 msg_col = 0; | |
2407 else | |
2408 ++msg_col; | |
2409 } | |
2410 ++s; | |
2411 } | |
2412 msg_didout = TRUE; /* assume that line is not empty */ | |
2413 | |
2414 #ifdef WIN3264 | |
2415 if (!(silent_mode && p_verbose == 0)) | |
2416 mch_settmode(TMODE_RAW); | |
2417 #endif | |
2418 } | |
2419 | |
2420 /* | |
2421 * Show the more-prompt and handle the user response. | |
2422 * This takes care of scrolling back and displaying previously displayed text. | |
447 | 2423 * When at hit-enter prompt "typed_char" is the already typed character, |
2424 * otherwise it's NUL. | |
446 | 2425 * Returns TRUE when jumping ahead to "confirm_msg_tail". |
2426 */ | |
2427 static int | |
2428 do_more_prompt(typed_char) | |
2429 int typed_char; | |
2430 { | |
2431 int used_typed_char = typed_char; | |
2432 int oldState = State; | |
2433 int c; | |
2434 #ifdef FEAT_CON_DIALOG | |
2435 int retval = FALSE; | |
2436 #endif | |
2437 int scroll; | |
2438 msgchunk_T *mp_last = NULL; | |
2439 msgchunk_T *mp; | |
2440 int i; | |
2441 | |
447 | 2442 if (typed_char == 'G') |
2443 { | |
2444 /* "g<": Find first line on the last page. */ | |
2445 mp_last = msg_sb_start(last_msgchunk); | |
2446 for (i = 0; i < Rows - 2 && mp_last != NULL | |
2447 && mp_last->sb_prev != NULL; ++i) | |
2448 mp_last = msg_sb_start(mp_last->sb_prev); | |
2449 } | |
2450 | |
446 | 2451 State = ASKMORE; |
2452 #ifdef FEAT_MOUSE | |
2453 setmouse(); | |
2454 #endif | |
447 | 2455 if (typed_char == NUL) |
2456 msg_moremsg(FALSE); | |
446 | 2457 for (;;) |
2458 { | |
2459 /* | |
2460 * Get a typed character directly from the user. | |
2461 */ | |
2462 if (used_typed_char != NUL) | |
2463 { | |
2464 c = used_typed_char; /* was typed at hit-enter prompt */ | |
2465 used_typed_char = NUL; | |
2466 } | |
2467 else | |
2468 c = get_keystroke(); | |
2469 | |
2470 #if defined(FEAT_MENU) && defined(FEAT_GUI) | |
2471 if (c == K_MENU) | |
2472 { | |
2473 int idx = get_menu_index(current_menu, ASKMORE); | |
2474 | |
2475 /* Used a menu. If it starts with CTRL-Y, it must | |
2476 * be a "Copy" for the clipboard. Otherwise | |
2477 * assume that we end */ | |
2478 if (idx == MENU_INDEX_INVALID) | |
2479 continue; | |
2480 c = *current_menu->strings[idx]; | |
2481 if (c != NUL && current_menu->strings[idx][1] != NUL) | |
2482 ins_typebuf(current_menu->strings[idx] + 1, | |
2483 current_menu->noremap[idx], 0, TRUE, | |
2484 current_menu->silent[idx]); | |
2485 } | |
2486 #endif | |
2487 | |
2488 scroll = 0; | |
2489 switch (c) | |
2490 { | |
2491 case BS: /* scroll one line back */ | |
2492 case K_BS: | |
2493 case 'k': | |
2494 case K_UP: | |
2495 scroll = -1; | |
2496 break; | |
2497 | |
2498 case CAR: /* one extra line */ | |
2499 case NL: | |
2500 case 'j': | |
2501 case K_DOWN: | |
2502 scroll = 1; | |
2503 break; | |
2504 | |
2505 case 'u': /* Up half a page */ | |
2506 scroll = -(Rows / 2); | |
2507 break; | |
2508 | |
2509 case 'd': /* Down half a page */ | |
2510 scroll = Rows / 2; | |
2511 break; | |
2512 | |
2513 case 'b': /* one page back */ | |
1820 | 2514 case K_PAGEUP: |
446 | 2515 scroll = -(Rows - 1); |
2516 break; | |
2517 | |
2518 case ' ': /* one extra page */ | |
1820 | 2519 case 'f': |
446 | 2520 case K_PAGEDOWN: |
2521 case K_LEFTMOUSE: | |
2522 scroll = Rows - 1; | |
2523 break; | |
2524 | |
447 | 2525 case 'g': /* all the way back to the start */ |
2526 scroll = -999999; | |
2527 break; | |
2528 | |
2529 case 'G': /* all the way to the end */ | |
2530 scroll = 999999; | |
2531 lines_left = 999999; | |
2532 break; | |
2533 | |
446 | 2534 case ':': /* start new command line */ |
2535 #ifdef FEAT_CON_DIALOG | |
2536 if (!confirm_msg_used) | |
2537 #endif | |
2538 { | |
2539 /* Since got_int is set all typeahead will be flushed, but we | |
2540 * want to keep this ':', remember that in a special way. */ | |
2541 typeahead_noflush(':'); | |
2542 cmdline_row = Rows - 1; /* put ':' on this line */ | |
2543 skip_redraw = TRUE; /* skip redraw once */ | |
2544 need_wait_return = FALSE; /* don't wait in main() */ | |
2545 } | |
2546 /*FALLTHROUGH*/ | |
2547 case 'q': /* quit */ | |
2548 case Ctrl_C: | |
2549 case ESC: | |
2550 #ifdef FEAT_CON_DIALOG | |
2551 if (confirm_msg_used) | |
2552 { | |
2553 /* Jump to the choices of the dialog. */ | |
2554 retval = TRUE; | |
2555 } | |
2556 else | |
2557 #endif | |
2558 { | |
2559 got_int = TRUE; | |
2560 quit_more = TRUE; | |
2561 } | |
1829 | 2562 /* When there is some more output (wrapping line) display that |
2563 * without another prompt. */ | |
2564 lines_left = Rows - 1; | |
446 | 2565 break; |
2566 | |
2567 #ifdef FEAT_CLIPBOARD | |
2568 case Ctrl_Y: | |
2569 /* Strange way to allow copying (yanking) a modeless | |
2570 * selection at the more prompt. Use CTRL-Y, | |
2571 * because the same is used in Cmdline-mode and at the | |
2572 * hit-enter prompt. However, scrolling one line up | |
2573 * might be expected... */ | |
2574 if (clip_star.state == SELECT_DONE) | |
2575 clip_copy_modeless_selection(TRUE); | |
2576 continue; | |
2577 #endif | |
2578 default: /* no valid response */ | |
2579 msg_moremsg(TRUE); | |
2580 continue; | |
2581 } | |
2582 | |
2583 if (scroll != 0) | |
2584 { | |
2585 if (scroll < 0) | |
2586 { | |
2587 /* go to start of last line */ | |
2588 if (mp_last == NULL) | |
2589 mp = msg_sb_start(last_msgchunk); | |
2590 else if (mp_last->sb_prev != NULL) | |
2591 mp = msg_sb_start(mp_last->sb_prev); | |
2592 else | |
2593 mp = NULL; | |
2594 | |
2595 /* go to start of line at top of the screen */ | |
2596 for (i = 0; i < Rows - 2 && mp != NULL && mp->sb_prev != NULL; | |
2597 ++i) | |
2598 mp = msg_sb_start(mp->sb_prev); | |
2599 | |
2600 if (mp != NULL && mp->sb_prev != NULL) | |
2601 { | |
2602 /* Find line to be displayed at top. */ | |
2603 for (i = 0; i > scroll; --i) | |
2604 { | |
2605 if (mp == NULL || mp->sb_prev == NULL) | |
2606 break; | |
2607 mp = msg_sb_start(mp->sb_prev); | |
2608 if (mp_last == NULL) | |
2609 mp_last = msg_sb_start(last_msgchunk); | |
2610 else | |
2611 mp_last = msg_sb_start(mp_last->sb_prev); | |
2612 } | |
2613 | |
2614 if (scroll == -1 && screen_ins_lines(0, 0, 1, | |
2615 (int)Rows, NULL) == OK) | |
2616 { | |
447 | 2617 /* display line at top */ |
446 | 2618 (void)disp_sb_line(0, mp); |
2619 } | |
2620 else | |
2621 { | |
447 | 2622 /* redisplay all lines */ |
446 | 2623 screenclear(); |
870 | 2624 for (i = 0; mp != NULL && i < Rows - 1; ++i) |
2625 { | |
446 | 2626 mp = disp_sb_line(i, mp); |
870 | 2627 ++msg_scrolled; |
2628 } | |
446 | 2629 } |
2630 scroll = 0; | |
2631 } | |
2632 } | |
2633 else | |
2634 { | |
2635 /* First display any text that we scrolled back. */ | |
2636 while (scroll > 0 && mp_last != NULL) | |
2637 { | |
2638 /* scroll up, display line at bottom */ | |
2639 msg_scroll_up(); | |
539 | 2640 inc_msg_scrolled(); |
446 | 2641 screen_fill((int)Rows - 2, (int)Rows - 1, 0, |
2642 (int)Columns, ' ', ' ', 0); | |
2643 mp_last = disp_sb_line((int)Rows - 2, mp_last); | |
2644 --scroll; | |
2645 } | |
2646 } | |
2647 | |
1342 | 2648 if (scroll <= 0) |
446 | 2649 { |
2650 /* displayed the requested text, more prompt again */ | |
447 | 2651 screen_fill((int)Rows - 1, (int)Rows, 0, |
2652 (int)Columns, ' ', ' ', 0); | |
446 | 2653 msg_moremsg(FALSE); |
2654 continue; | |
2655 } | |
2656 | |
2657 /* display more text, return to caller */ | |
2658 lines_left = scroll; | |
2659 } | |
2660 | |
2661 break; | |
2662 } | |
2663 | |
2664 /* clear the --more-- message */ | |
2665 screen_fill((int)Rows - 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2666 State = oldState; | |
2667 #ifdef FEAT_MOUSE | |
2668 setmouse(); | |
2669 #endif | |
2670 if (quit_more) | |
2671 { | |
2672 msg_row = Rows - 1; | |
2673 msg_col = 0; | |
2674 } | |
2675 #ifdef FEAT_RIGHTLEFT | |
2676 else if (cmdmsg_rl) | |
2677 msg_col = Columns - 1; | |
2678 #endif | |
2679 | |
2680 #ifdef FEAT_CON_DIALOG | |
2681 return retval; | |
2682 #else | |
2683 return FALSE; | |
2684 #endif | |
2685 } | |
2686 | |
7 | 2687 #if defined(USE_MCH_ERRMSG) || defined(PROTO) |
2688 | |
2689 #ifdef mch_errmsg | |
2690 # undef mch_errmsg | |
2691 #endif | |
2692 #ifdef mch_msg | |
2693 # undef mch_msg | |
2694 #endif | |
2695 | |
2696 /* | |
2697 * Give an error message. To be used when the screen hasn't been initialized | |
2698 * yet. When stderr can't be used, collect error messages until the GUI has | |
2699 * started and they can be displayed in a message box. | |
2700 */ | |
2701 void | |
2702 mch_errmsg(str) | |
2703 char *str; | |
2704 { | |
2705 int len; | |
2706 | |
2707 #if (defined(UNIX) || defined(FEAT_GUI)) && !defined(ALWAYS_USE_GUI) | |
2708 /* On Unix use stderr if it's a tty. | |
2709 * When not going to start the GUI also use stderr. | |
2710 * On Mac, when started from Finder, stderr is the console. */ | |
2711 if ( | |
2712 # ifdef UNIX | |
2713 # ifdef MACOS_X_UNIX | |
2714 (isatty(2) && strcmp("/dev/console", ttyname(2)) != 0) | |
2715 # else | |
2716 isatty(2) | |
2717 # endif | |
2718 # ifdef FEAT_GUI | |
2719 || | |
2720 # endif | |
2721 # endif | |
2722 # ifdef FEAT_GUI | |
2723 !(gui.in_use || gui.starting) | |
2724 # endif | |
2725 ) | |
2726 { | |
2727 fprintf(stderr, "%s", str); | |
2728 return; | |
2729 } | |
2730 #endif | |
2731 | |
2732 /* avoid a delay for a message that isn't there */ | |
2733 emsg_on_display = FALSE; | |
2734 | |
2735 len = (int)STRLEN(str) + 1; | |
2736 if (error_ga.ga_growsize == 0) | |
2737 { | |
2738 error_ga.ga_growsize = 80; | |
2739 error_ga.ga_itemsize = 1; | |
2740 } | |
2741 if (ga_grow(&error_ga, len) == OK) | |
2742 { | |
2743 mch_memmove((char_u *)error_ga.ga_data + error_ga.ga_len, | |
2744 (char_u *)str, len); | |
2745 #ifdef UNIX | |
2746 /* remove CR characters, they are displayed */ | |
2747 { | |
2748 char_u *p; | |
2749 | |
2750 p = (char_u *)error_ga.ga_data + error_ga.ga_len; | |
2751 for (;;) | |
2752 { | |
2753 p = vim_strchr(p, '\r'); | |
2754 if (p == NULL) | |
2755 break; | |
2756 *p = ' '; | |
2757 } | |
2758 } | |
2759 #endif | |
2760 --len; /* don't count the NUL at the end */ | |
2761 error_ga.ga_len += len; | |
2762 } | |
2763 } | |
2764 | |
2765 /* | |
2766 * Give a message. To be used when the screen hasn't been initialized yet. | |
2767 * When there is no tty, collect messages until the GUI has started and they | |
2768 * can be displayed in a message box. | |
2769 */ | |
2770 void | |
2771 mch_msg(str) | |
2772 char *str; | |
2773 { | |
2774 #if (defined(UNIX) || defined(FEAT_GUI)) && !defined(ALWAYS_USE_GUI) | |
2775 /* On Unix use stdout if we have a tty. This allows "vim -h | more" and | |
2776 * uses mch_errmsg() when started from the desktop. | |
2777 * When not going to start the GUI also use stdout. | |
2778 * On Mac, when started from Finder, stderr is the console. */ | |
2779 if ( | |
2780 # ifdef UNIX | |
2781 # ifdef MACOS_X_UNIX | |
2782 (isatty(2) && strcmp("/dev/console", ttyname(2)) != 0) | |
2783 # else | |
2784 isatty(2) | |
2785 # endif | |
2786 # ifdef FEAT_GUI | |
2787 || | |
2788 # endif | |
2789 # endif | |
2790 # ifdef FEAT_GUI | |
2791 !(gui.in_use || gui.starting) | |
2792 # endif | |
2793 ) | |
2794 { | |
2795 printf("%s", str); | |
2796 return; | |
2797 } | |
2798 # endif | |
2799 mch_errmsg(str); | |
2800 } | |
2801 #endif /* USE_MCH_ERRMSG */ | |
2802 | |
2803 /* | |
2804 * Put a character on the screen at the current message position and advance | |
2805 * to the next position. Only for printable ASCII! | |
2806 */ | |
2807 static void | |
2808 msg_screen_putchar(c, attr) | |
2809 int c; | |
2810 int attr; | |
2811 { | |
2812 msg_didout = TRUE; /* remember that line is not empty */ | |
2813 screen_putchar(c, msg_row, msg_col, attr); | |
2814 #ifdef FEAT_RIGHTLEFT | |
2815 if (cmdmsg_rl) | |
2816 { | |
2817 if (--msg_col == 0) | |
2818 { | |
2819 msg_col = Columns; | |
2820 ++msg_row; | |
2821 } | |
2822 } | |
2823 else | |
2824 #endif | |
2825 { | |
2826 if (++msg_col >= Columns) | |
2827 { | |
2828 msg_col = 0; | |
2829 ++msg_row; | |
2830 } | |
2831 } | |
2832 } | |
2833 | |
2834 void | |
2835 msg_moremsg(full) | |
2836 int full; | |
2837 { | |
446 | 2838 int attr; |
2839 char_u *s = (char_u *)_("-- More --"); | |
7 | 2840 |
2841 attr = hl_attr(HLF_M); | |
446 | 2842 screen_puts(s, (int)Rows - 1, 0, attr); |
7 | 2843 if (full) |
446 | 2844 screen_puts((char_u *) |
2845 _(" SPACE/d/j: screen/page/line down, b/u/k: up, q: quit "), | |
2846 (int)Rows - 1, vim_strsize(s), attr); | |
7 | 2847 } |
2848 | |
2849 /* | |
2850 * Repeat the message for the current mode: ASKMORE, EXTERNCMD, CONFIRM or | |
2851 * exmode_active. | |
2852 */ | |
2853 void | |
2854 repeat_message() | |
2855 { | |
2856 if (State == ASKMORE) | |
2857 { | |
2858 msg_moremsg(TRUE); /* display --more-- message again */ | |
2859 msg_row = Rows - 1; | |
2860 } | |
2861 #ifdef FEAT_CON_DIALOG | |
2862 else if (State == CONFIRM) | |
2863 { | |
2864 display_confirm_msg(); /* display ":confirm" message again */ | |
2865 msg_row = Rows - 1; | |
2866 } | |
2867 #endif | |
2868 else if (State == EXTERNCMD) | |
2869 { | |
2870 windgoto(msg_row, msg_col); /* put cursor back */ | |
2871 } | |
2872 else if (State == HITRETURN || State == SETWSIZE) | |
2873 { | |
1445 | 2874 if (msg_row == Rows - 1) |
2875 { | |
2876 /* Avoid drawing the "hit-enter" prompt below the previous one, | |
2877 * overwrite it. Esp. useful when regaining focus and a | |
2878 * FocusGained autocmd exists but didn't draw anything. */ | |
2879 msg_didout = FALSE; | |
2880 msg_col = 0; | |
2881 msg_clr_eos(); | |
2882 } | |
7 | 2883 hit_return_msg(); |
2884 msg_row = Rows - 1; | |
2885 } | |
2886 } | |
2887 | |
2888 /* | |
2889 * msg_check_screen - check if the screen is initialized. | |
2890 * Also check msg_row and msg_col, if they are too big it may cause a crash. | |
2891 * While starting the GUI the terminal codes will be set for the GUI, but the | |
2892 * output goes to the terminal. Don't use the terminal codes then. | |
2893 */ | |
2894 static int | |
2895 msg_check_screen() | |
2896 { | |
2897 if (!full_screen || !screen_valid(FALSE)) | |
2898 return FALSE; | |
2899 | |
2900 if (msg_row >= Rows) | |
2901 msg_row = Rows - 1; | |
2902 if (msg_col >= Columns) | |
2903 msg_col = Columns - 1; | |
2904 return TRUE; | |
2905 } | |
2906 | |
2907 /* | |
2908 * Clear from current message position to end of screen. | |
2909 * Skip this when ":silent" was used, no need to clear for redirection. | |
2910 */ | |
2911 void | |
2912 msg_clr_eos() | |
2913 { | |
2914 if (msg_silent == 0) | |
2915 msg_clr_eos_force(); | |
2916 } | |
2917 | |
2918 /* | |
2919 * Clear from current message position to end of screen. | |
2920 * Note: msg_col is not updated, so we remember the end of the message | |
2921 * for msg_check(). | |
2922 */ | |
2923 void | |
2924 msg_clr_eos_force() | |
2925 { | |
2926 if (msg_use_printf()) | |
2927 { | |
2928 if (full_screen) /* only when termcap codes are valid */ | |
2929 { | |
2930 if (*T_CD) | |
2931 out_str(T_CD); /* clear to end of display */ | |
2932 else if (*T_CE) | |
2933 out_str(T_CE); /* clear to end of line */ | |
2934 } | |
2935 } | |
2936 else | |
2937 { | |
2938 #ifdef FEAT_RIGHTLEFT | |
2939 if (cmdmsg_rl) | |
2940 { | |
2941 screen_fill(msg_row, msg_row + 1, 0, msg_col + 1, ' ', ' ', 0); | |
2942 screen_fill(msg_row + 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2943 } | |
2944 else | |
2945 #endif | |
2946 { | |
2947 screen_fill(msg_row, msg_row + 1, msg_col, (int)Columns, | |
2948 ' ', ' ', 0); | |
2949 screen_fill(msg_row + 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2950 } | |
2951 } | |
2952 } | |
2953 | |
2954 /* | |
2955 * Clear the command line. | |
2956 */ | |
2957 void | |
2958 msg_clr_cmdline() | |
2959 { | |
2960 msg_row = cmdline_row; | |
2961 msg_col = 0; | |
2962 msg_clr_eos_force(); | |
2963 } | |
2964 | |
2965 /* | |
2966 * end putting a message on the screen | |
2967 * call wait_return if the message does not fit in the available space | |
2968 * return TRUE if wait_return not called. | |
2969 */ | |
2970 int | |
2971 msg_end() | |
2972 { | |
2973 /* | |
2974 * if the string is larger than the window, | |
2975 * or the ruler option is set and we run into it, | |
2976 * we have to redraw the window. | |
2977 * Do not do this if we are abandoning the file or editing the command line. | |
2978 */ | |
2979 if (!exiting && need_wait_return && !(State & CMDLINE)) | |
2980 { | |
2981 wait_return(FALSE); | |
2982 return FALSE; | |
2983 } | |
2984 out_flush(); | |
2985 return TRUE; | |
2986 } | |
2987 | |
2988 /* | |
2989 * If the written message runs into the shown command or ruler, we have to | |
2990 * wait for hit-return and redraw the window later. | |
2991 */ | |
2992 void | |
2993 msg_check() | |
2994 { | |
2995 if (msg_row == Rows - 1 && msg_col >= sc_col) | |
2996 { | |
2997 need_wait_return = TRUE; | |
2998 redraw_cmdline = TRUE; | |
2999 } | |
3000 } | |
3001 | |
3002 /* | |
3003 * May write a string to the redirection file. | |
3004 * When "maxlen" is -1 write the whole string, otherwise up to "maxlen" bytes. | |
3005 */ | |
3006 static void | |
3007 redir_write(str, maxlen) | |
3008 char_u *str; | |
3009 int maxlen; | |
3010 { | |
3011 char_u *s = str; | |
3012 static int cur_col = 0; | |
3013 | |
291 | 3014 /* Don't do anything for displaying prompts and the like. */ |
3015 if (redir_off) | |
3016 return; | |
3017 | |
3018 /* | |
3019 * If 'verbosefile' is set write message in that file. | |
3020 * Must come before the rest because of updating "msg_col". | |
3021 */ | |
3022 if (*p_vfile != NUL) | |
3023 verbose_write(s, maxlen); | |
3024 | |
1854 | 3025 if (redirecting()) |
7 | 3026 { |
3027 /* If the string doesn't start with CR or NL, go to msg_col */ | |
3028 if (*s != '\n' && *s != '\r') | |
3029 { | |
3030 while (cur_col < msg_col) | |
3031 { | |
3032 #ifdef FEAT_EVAL | |
3033 if (redir_reg) | |
3034 write_reg_contents(redir_reg, (char_u *)" ", -1, TRUE); | |
167 | 3035 else if (redir_vname) |
3036 var_redir_str((char_u *)" ", -1); | |
7 | 3037 else if (redir_fd) |
3038 #endif | |
3039 fputs(" ", redir_fd); | |
3040 ++cur_col; | |
3041 } | |
3042 } | |
3043 | |
3044 #ifdef FEAT_EVAL | |
3045 if (redir_reg) | |
3046 write_reg_contents(redir_reg, s, maxlen, TRUE); | |
167 | 3047 if (redir_vname) |
3048 var_redir_str(s, maxlen); | |
7 | 3049 #endif |
3050 | |
3051 /* Adjust the current column */ | |
3052 while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) | |
3053 { | |
3054 #ifdef FEAT_EVAL | |
167 | 3055 if (!redir_reg && !redir_vname && redir_fd != NULL) |
7 | 3056 #endif |
3057 putc(*s, redir_fd); | |
3058 if (*s == '\r' || *s == '\n') | |
3059 cur_col = 0; | |
3060 else if (*s == '\t') | |
3061 cur_col += (8 - cur_col % 8); | |
3062 else | |
3063 ++cur_col; | |
3064 ++s; | |
3065 } | |
3066 | |
3067 if (msg_silent != 0) /* should update msg_col */ | |
3068 msg_col = cur_col; | |
3069 } | |
3070 } | |
3071 | |
1854 | 3072 int |
3073 redirecting() | |
3074 { | |
3075 return redir_fd != NULL | |
3076 #ifdef FEAT_EVAL | |
3077 || redir_reg || redir_vname | |
3078 #endif | |
3079 ; | |
3080 } | |
3081 | |
7 | 3082 /* |
1189 | 3083 * Before giving verbose message. |
291 | 3084 * Must always be called paired with verbose_leave()! |
3085 */ | |
3086 void | |
3087 verbose_enter() | |
3088 { | |
3089 if (*p_vfile != NUL) | |
3090 ++msg_silent; | |
3091 } | |
3092 | |
3093 /* | |
3094 * After giving verbose message. | |
3095 * Must always be called paired with verbose_enter()! | |
3096 */ | |
3097 void | |
3098 verbose_leave() | |
3099 { | |
3100 if (*p_vfile != NUL) | |
3101 if (--msg_silent < 0) | |
3102 msg_silent = 0; | |
3103 } | |
3104 | |
3105 /* | |
3106 * Like verbose_enter() and set msg_scroll when displaying the message. | |
3107 */ | |
3108 void | |
3109 verbose_enter_scroll() | |
3110 { | |
3111 if (*p_vfile != NUL) | |
3112 ++msg_silent; | |
3113 else | |
3114 /* always scroll up, don't overwrite */ | |
3115 msg_scroll = TRUE; | |
3116 } | |
3117 | |
3118 /* | |
3119 * Like verbose_leave() and set cmdline_row when displaying the message. | |
3120 */ | |
3121 void | |
3122 verbose_leave_scroll() | |
3123 { | |
3124 if (*p_vfile != NUL) | |
3125 { | |
3126 if (--msg_silent < 0) | |
3127 msg_silent = 0; | |
3128 } | |
3129 else | |
3130 cmdline_row = msg_row; | |
3131 } | |
3132 | |
3133 static FILE *verbose_fd = NULL; | |
3134 static int verbose_did_open = FALSE; | |
3135 | |
3136 /* | |
3137 * Called when 'verbosefile' is set: stop writing to the file. | |
3138 */ | |
3139 void | |
3140 verbose_stop() | |
3141 { | |
3142 if (verbose_fd != NULL) | |
3143 { | |
3144 fclose(verbose_fd); | |
3145 verbose_fd = NULL; | |
3146 } | |
3147 verbose_did_open = FALSE; | |
3148 } | |
3149 | |
3150 /* | |
3151 * Open the file 'verbosefile'. | |
3152 * Return FAIL or OK. | |
3153 */ | |
3154 int | |
3155 verbose_open() | |
3156 { | |
3157 if (verbose_fd == NULL && !verbose_did_open) | |
3158 { | |
3159 /* Only give the error message once. */ | |
3160 verbose_did_open = TRUE; | |
3161 | |
531 | 3162 verbose_fd = mch_fopen((char *)p_vfile, "a"); |
291 | 3163 if (verbose_fd == NULL) |
3164 { | |
3165 EMSG2(_(e_notopen), p_vfile); | |
3166 return FAIL; | |
3167 } | |
3168 } | |
3169 return OK; | |
3170 } | |
3171 | |
3172 /* | |
3173 * Write a string to 'verbosefile'. | |
3174 * When "maxlen" is -1 write the whole string, otherwise up to "maxlen" bytes. | |
3175 */ | |
3176 static void | |
3177 verbose_write(str, maxlen) | |
3178 char_u *str; | |
3179 int maxlen; | |
3180 { | |
3181 char_u *s = str; | |
3182 static int cur_col = 0; | |
3183 | |
3184 /* Open the file when called the first time. */ | |
3185 if (verbose_fd == NULL) | |
3186 verbose_open(); | |
3187 | |
3188 if (verbose_fd != NULL) | |
3189 { | |
3190 /* If the string doesn't start with CR or NL, go to msg_col */ | |
3191 if (*s != '\n' && *s != '\r') | |
3192 { | |
3193 while (cur_col < msg_col) | |
3194 { | |
3195 fputs(" ", verbose_fd); | |
3196 ++cur_col; | |
3197 } | |
3198 } | |
3199 | |
3200 /* Adjust the current column */ | |
3201 while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) | |
3202 { | |
3203 putc(*s, verbose_fd); | |
3204 if (*s == '\r' || *s == '\n') | |
3205 cur_col = 0; | |
3206 else if (*s == '\t') | |
3207 cur_col += (8 - cur_col % 8); | |
3208 else | |
3209 ++cur_col; | |
3210 ++s; | |
3211 } | |
3212 } | |
3213 } | |
3214 | |
3215 /* | |
7 | 3216 * Give a warning message (for searching). |
3217 * Use 'w' highlighting and may repeat the message after redrawing | |
3218 */ | |
3219 void | |
3220 give_warning(message, hl) | |
3221 char_u *message; | |
3222 int hl; | |
3223 { | |
3224 /* Don't do this for ":silent". */ | |
3225 if (msg_silent != 0) | |
3226 return; | |
3227 | |
3228 /* Don't want a hit-enter prompt here. */ | |
3229 ++no_wait_return; | |
8 | 3230 |
7 | 3231 #ifdef FEAT_EVAL |
3232 set_vim_var_string(VV_WARNINGMSG, message, -1); | |
3233 #endif | |
3234 vim_free(keep_msg); | |
3235 keep_msg = NULL; | |
3236 if (hl) | |
3237 keep_msg_attr = hl_attr(HLF_W); | |
3238 else | |
3239 keep_msg_attr = 0; | |
3240 if (msg_attr(message, keep_msg_attr) && msg_scrolled == 0) | |
678 | 3241 set_keep_msg(message, keep_msg_attr); |
7 | 3242 msg_didout = FALSE; /* overwrite this message */ |
3243 msg_nowait = TRUE; /* don't wait for this message */ | |
3244 msg_col = 0; | |
8 | 3245 |
7 | 3246 --no_wait_return; |
3247 } | |
3248 | |
3249 /* | |
3250 * Advance msg cursor to column "col". | |
3251 */ | |
3252 void | |
3253 msg_advance(col) | |
3254 int col; | |
3255 { | |
3256 if (msg_silent != 0) /* nothing to advance to */ | |
3257 { | |
3258 msg_col = col; /* for redirection, may fill it up later */ | |
3259 return; | |
3260 } | |
3261 if (col >= Columns) /* not enough room */ | |
3262 col = Columns - 1; | |
474 | 3263 #ifdef FEAT_RIGHTLEFT |
3264 if (cmdmsg_rl) | |
3265 while (msg_col > Columns - col) | |
3266 msg_putchar(' '); | |
3267 else | |
3268 #endif | |
3269 while (msg_col < col) | |
3270 msg_putchar(' '); | |
7 | 3271 } |
3272 | |
3273 #if defined(FEAT_CON_DIALOG) || defined(PROTO) | |
3274 /* | |
3275 * Used for "confirm()" function, and the :confirm command prefix. | |
3276 * Versions which haven't got flexible dialogs yet, and console | |
3277 * versions, get this generic handler which uses the command line. | |
3278 * | |
3279 * type = one of: | |
3280 * VIM_QUESTION, VIM_INFO, VIM_WARNING, VIM_ERROR or VIM_GENERIC | |
3281 * title = title string (can be NULL for default) | |
3282 * (neither used in console dialogs at the moment) | |
3283 * | |
3284 * Format of the "buttons" string: | |
3285 * "Button1Name\nButton2Name\nButton3Name" | |
3286 * The first button should normally be the default/accept | |
3287 * The second button should be the 'Cancel' button | |
3288 * Other buttons- use your imagination! | |
3289 * A '&' in a button name becomes a shortcut, so each '&' should be before a | |
3290 * different letter. | |
3291 */ | |
3292 int | |
3293 do_dialog(type, title, message, buttons, dfltbutton, textfield) | |
1883 | 3294 int type UNUSED; |
3295 char_u *title UNUSED; | |
7 | 3296 char_u *message; |
3297 char_u *buttons; | |
3298 int dfltbutton; | |
1883 | 3299 char_u *textfield UNUSED; /* IObuff for inputdialog(), NULL |
3300 otherwise */ | |
7 | 3301 { |
3302 int oldState; | |
3303 int retval = 0; | |
3304 char_u *hotkeys; | |
3305 int c; | |
3306 int i; | |
3307 | |
3308 #ifndef NO_CONSOLE | |
3309 /* Don't output anything in silent mode ("ex -s") */ | |
3310 if (silent_mode) | |
3311 return dfltbutton; /* return default option */ | |
3312 #endif | |
3313 | |
3314 #ifdef FEAT_GUI_DIALOG | |
3315 /* When GUI is running and 'c' not in 'guioptions', use the GUI dialog */ | |
3316 if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL) | |
3317 { | |
3318 c = gui_mch_dialog(type, title, message, buttons, dfltbutton, | |
3319 textfield); | |
1809 | 3320 /* avoid a hit-enter prompt without clearing the cmdline */ |
3321 need_wait_return = FALSE; | |
3322 emsg_on_display = FALSE; | |
3323 cmdline_row = msg_row; | |
7 | 3324 |
3325 /* Flush output to avoid that further messages and redrawing is done | |
3326 * in the wrong order. */ | |
3327 out_flush(); | |
3328 gui_mch_update(); | |
3329 | |
3330 return c; | |
3331 } | |
3332 #endif | |
3333 | |
3334 oldState = State; | |
3335 State = CONFIRM; | |
3336 #ifdef FEAT_MOUSE | |
3337 setmouse(); | |
3338 #endif | |
3339 | |
3340 /* | |
3341 * Since we wait for a keypress, don't make the | |
3342 * user press RETURN as well afterwards. | |
3343 */ | |
3344 ++no_wait_return; | |
3345 hotkeys = msg_show_console_dialog(message, buttons, dfltbutton); | |
3346 | |
3347 if (hotkeys != NULL) | |
3348 { | |
3349 for (;;) | |
3350 { | |
3351 /* Get a typed character directly from the user. */ | |
3352 c = get_keystroke(); | |
3353 switch (c) | |
3354 { | |
3355 case CAR: /* User accepts default option */ | |
3356 case NL: | |
3357 retval = dfltbutton; | |
3358 break; | |
3359 case Ctrl_C: /* User aborts/cancels */ | |
3360 case ESC: | |
3361 retval = 0; | |
3362 break; | |
3363 default: /* Could be a hotkey? */ | |
3364 if (c < 0) /* special keys are ignored here */ | |
3365 continue; | |
3366 /* Make the character lowercase, as chars in "hotkeys" are. */ | |
3367 c = MB_TOLOWER(c); | |
3368 retval = 1; | |
3369 for (i = 0; hotkeys[i]; ++i) | |
3370 { | |
3371 #ifdef FEAT_MBYTE | |
3372 if (has_mbyte) | |
3373 { | |
3374 if ((*mb_ptr2char)(hotkeys + i) == c) | |
3375 break; | |
474 | 3376 i += (*mb_ptr2len)(hotkeys + i) - 1; |
7 | 3377 } |
3378 else | |
3379 #endif | |
3380 if (hotkeys[i] == c) | |
3381 break; | |
3382 ++retval; | |
3383 } | |
3384 if (hotkeys[i]) | |
3385 break; | |
3386 /* No hotkey match, so keep waiting */ | |
3387 continue; | |
3388 } | |
3389 break; | |
3390 } | |
3391 | |
3392 vim_free(hotkeys); | |
3393 } | |
3394 | |
3395 State = oldState; | |
3396 #ifdef FEAT_MOUSE | |
3397 setmouse(); | |
3398 #endif | |
3399 --no_wait_return; | |
3400 msg_end_prompt(); | |
3401 | |
3402 return retval; | |
3403 } | |
3404 | |
3405 static int copy_char __ARGS((char_u *from, char_u *to, int lowercase)); | |
3406 | |
3407 /* | |
3408 * Copy one character from "*from" to "*to", taking care of multi-byte | |
3409 * characters. Return the length of the character in bytes. | |
3410 */ | |
3411 static int | |
3412 copy_char(from, to, lowercase) | |
3413 char_u *from; | |
3414 char_u *to; | |
3415 int lowercase; /* make character lower case */ | |
3416 { | |
3417 #ifdef FEAT_MBYTE | |
3418 int len; | |
3419 int c; | |
3420 | |
3421 if (has_mbyte) | |
3422 { | |
3423 if (lowercase) | |
3424 { | |
3425 c = MB_TOLOWER((*mb_ptr2char)(from)); | |
3426 return (*mb_char2bytes)(c, to); | |
3427 } | |
3428 else | |
3429 { | |
474 | 3430 len = (*mb_ptr2len)(from); |
7 | 3431 mch_memmove(to, from, (size_t)len); |
3432 return len; | |
3433 } | |
3434 } | |
3435 else | |
3436 #endif | |
3437 { | |
3438 if (lowercase) | |
3439 *to = (char_u)TOLOWER_LOC(*from); | |
3440 else | |
3441 *to = *from; | |
3442 return 1; | |
3443 } | |
3444 } | |
3445 | |
3446 /* | |
3447 * Format the dialog string, and display it at the bottom of | |
3448 * the screen. Return a string of hotkey chars (if defined) for | |
3449 * each 'button'. If a button has no hotkey defined, the first character of | |
3450 * the button is used. | |
3451 * The hotkeys can be multi-byte characters, but without combining chars. | |
3452 * | |
3453 * Returns an allocated string with hotkeys, or NULL for error. | |
3454 */ | |
3455 static char_u * | |
3456 msg_show_console_dialog(message, buttons, dfltbutton) | |
3457 char_u *message; | |
3458 char_u *buttons; | |
3459 int dfltbutton; | |
3460 { | |
3461 int len = 0; | |
3462 #ifdef FEAT_MBYTE | |
3463 # define HOTK_LEN (has_mbyte ? MB_MAXBYTES : 1) | |
3464 #else | |
3465 # define HOTK_LEN 1 | |
3466 #endif | |
3467 int lenhotkey = HOTK_LEN; /* count first button */ | |
3468 char_u *hotk = NULL; | |
3469 char_u *msgp = NULL; | |
3470 char_u *hotkp = NULL; | |
3471 char_u *r; | |
3472 int copy; | |
3473 #define HAS_HOTKEY_LEN 30 | |
3474 char_u has_hotkey[HAS_HOTKEY_LEN]; | |
3475 int first_hotkey = FALSE; /* first char of button is hotkey */ | |
3476 int idx; | |
3477 | |
3478 has_hotkey[0] = FALSE; | |
3479 | |
3480 /* | |
3481 * First loop: compute the size of memory to allocate. | |
3482 * Second loop: copy to the allocated memory. | |
3483 */ | |
3484 for (copy = 0; copy <= 1; ++copy) | |
3485 { | |
3486 r = buttons; | |
3487 idx = 0; | |
3488 while (*r) | |
3489 { | |
3490 if (*r == DLG_BUTTON_SEP) | |
3491 { | |
3492 if (copy) | |
3493 { | |
3494 *msgp++ = ','; | |
3495 *msgp++ = ' '; /* '\n' -> ', ' */ | |
3496 | |
3497 /* advance to next hotkey and set default hotkey */ | |
3498 #ifdef FEAT_MBYTE | |
3499 if (has_mbyte) | |
1306 | 3500 hotkp += STRLEN(hotkp); |
7 | 3501 else |
3502 #endif | |
3503 ++hotkp; | |
1306 | 3504 hotkp[copy_char(r + 1, hotkp, TRUE)] = NUL; |
7 | 3505 if (dfltbutton) |
3506 --dfltbutton; | |
3507 | |
3508 /* If no hotkey is specified first char is used. */ | |
3509 if (idx < HAS_HOTKEY_LEN - 1 && !has_hotkey[++idx]) | |
3510 first_hotkey = TRUE; | |
3511 } | |
3512 else | |
3513 { | |
3514 len += 3; /* '\n' -> ', '; 'x' -> '(x)' */ | |
3515 lenhotkey += HOTK_LEN; /* each button needs a hotkey */ | |
3516 if (idx < HAS_HOTKEY_LEN - 1) | |
3517 has_hotkey[++idx] = FALSE; | |
3518 } | |
3519 } | |
3520 else if (*r == DLG_HOTKEY_CHAR || first_hotkey) | |
3521 { | |
3522 if (*r == DLG_HOTKEY_CHAR) | |
3523 ++r; | |
3524 first_hotkey = FALSE; | |
3525 if (copy) | |
3526 { | |
3527 if (*r == DLG_HOTKEY_CHAR) /* '&&a' -> '&a' */ | |
3528 *msgp++ = *r; | |
3529 else | |
3530 { | |
3531 /* '&a' -> '[a]' */ | |
3532 *msgp++ = (dfltbutton == 1) ? '[' : '('; | |
3533 msgp += copy_char(r, msgp, FALSE); | |
3534 *msgp++ = (dfltbutton == 1) ? ']' : ')'; | |
3535 | |
3536 /* redefine hotkey */ | |
1306 | 3537 hotkp[copy_char(r, hotkp, TRUE)] = NUL; |
7 | 3538 } |
3539 } | |
3540 else | |
3541 { | |
3542 ++len; /* '&a' -> '[a]' */ | |
3543 if (idx < HAS_HOTKEY_LEN - 1) | |
3544 has_hotkey[idx] = TRUE; | |
3545 } | |
3546 } | |
3547 else | |
3548 { | |
3549 /* everything else copy literally */ | |
3550 if (copy) | |
3551 msgp += copy_char(r, msgp, FALSE); | |
3552 } | |
3553 | |
3554 /* advance to the next character */ | |
39 | 3555 mb_ptr_adv(r); |
7 | 3556 } |
3557 | |
3558 if (copy) | |
3559 { | |
3560 *msgp++ = ':'; | |
3561 *msgp++ = ' '; | |
3562 *msgp = NUL; | |
3563 } | |
3564 else | |
3565 { | |
835 | 3566 len += (int)(STRLEN(message) |
856 | 3567 + 2 /* for the NL's */ |
3568 + STRLEN(buttons) | |
3569 + 3); /* for the ": " and NUL */ | |
835 | 3570 lenhotkey++; /* for the NUL */ |
7 | 3571 |
3572 /* If no hotkey is specified first char is used. */ | |
3573 if (!has_hotkey[0]) | |
3574 { | |
3575 first_hotkey = TRUE; | |
3576 len += 2; /* "x" -> "[x]" */ | |
3577 } | |
3578 | |
3579 /* | |
3580 * Now allocate and load the strings | |
3581 */ | |
3582 vim_free(confirm_msg); | |
3583 confirm_msg = alloc(len); | |
3584 if (confirm_msg == NULL) | |
3585 return NULL; | |
3586 *confirm_msg = NUL; | |
3587 hotk = alloc(lenhotkey); | |
3588 if (hotk == NULL) | |
3589 return NULL; | |
3590 | |
3591 *confirm_msg = '\n'; | |
3592 STRCPY(confirm_msg + 1, message); | |
3593 | |
3594 msgp = confirm_msg + 1 + STRLEN(message); | |
3595 hotkp = hotk; | |
3596 | |
1306 | 3597 /* Define first default hotkey. Keep the hotkey string NUL |
3598 * terminated to avoid reading past the end. */ | |
3599 hotkp[copy_char(buttons, hotkp, TRUE)] = NUL; | |
7 | 3600 |
3601 /* Remember where the choices start, displaying starts here when | |
3602 * "hotkp" typed at the more prompt. */ | |
3603 confirm_msg_tail = msgp; | |
3604 *msgp++ = '\n'; | |
3605 } | |
3606 } | |
3607 | |
3608 display_confirm_msg(); | |
3609 return hotk; | |
3610 } | |
3611 | |
3612 /* | |
3613 * Display the ":confirm" message. Also called when screen resized. | |
3614 */ | |
3615 void | |
3616 display_confirm_msg() | |
3617 { | |
3618 /* avoid that 'q' at the more prompt truncates the message here */ | |
3619 ++confirm_msg_used; | |
3620 if (confirm_msg != NULL) | |
3621 msg_puts_attr(confirm_msg, hl_attr(HLF_M)); | |
3622 --confirm_msg_used; | |
3623 } | |
3624 | |
3625 #endif /* FEAT_CON_DIALOG */ | |
3626 | |
3627 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
3628 | |
3629 int | |
3630 vim_dialog_yesno(type, title, message, dflt) | |
3631 int type; | |
3632 char_u *title; | |
3633 char_u *message; | |
3634 int dflt; | |
3635 { | |
3636 if (do_dialog(type, | |
3637 title == NULL ? (char_u *)_("Question") : title, | |
3638 message, | |
3639 (char_u *)_("&Yes\n&No"), dflt, NULL) == 1) | |
3640 return VIM_YES; | |
3641 return VIM_NO; | |
3642 } | |
3643 | |
3644 int | |
3645 vim_dialog_yesnocancel(type, title, message, dflt) | |
3646 int type; | |
3647 char_u *title; | |
3648 char_u *message; | |
3649 int dflt; | |
3650 { | |
3651 switch (do_dialog(type, | |
3652 title == NULL ? (char_u *)_("Question") : title, | |
3653 message, | |
3654 (char_u *)_("&Yes\n&No\n&Cancel"), dflt, NULL)) | |
3655 { | |
3656 case 1: return VIM_YES; | |
3657 case 2: return VIM_NO; | |
3658 } | |
3659 return VIM_CANCEL; | |
3660 } | |
3661 | |
3662 int | |
3663 vim_dialog_yesnoallcancel(type, title, message, dflt) | |
3664 int type; | |
3665 char_u *title; | |
3666 char_u *message; | |
3667 int dflt; | |
3668 { | |
3669 switch (do_dialog(type, | |
3670 title == NULL ? (char_u *)"Question" : title, | |
3671 message, | |
3672 (char_u *)_("&Yes\n&No\nSave &All\n&Discard All\n&Cancel"), | |
3673 dflt, NULL)) | |
3674 { | |
3675 case 1: return VIM_YES; | |
3676 case 2: return VIM_NO; | |
3677 case 3: return VIM_ALL; | |
3678 case 4: return VIM_DISCARDALL; | |
3679 } | |
3680 return VIM_CANCEL; | |
3681 } | |
3682 | |
3683 #endif /* FEAT_GUI_DIALOG || FEAT_CON_DIALOG */ | |
3684 | |
3685 #if defined(FEAT_BROWSE) || defined(PROTO) | |
3686 /* | |
3687 * Generic browse function. Calls gui_mch_browse() when possible. | |
3688 * Later this may pop-up a non-GUI file selector (external command?). | |
3689 */ | |
3690 char_u * | |
28 | 3691 do_browse(flags, title, dflt, ext, initdir, filter, buf) |
3692 int flags; /* BROWSE_SAVE and BROWSE_DIR */ | |
7 | 3693 char_u *title; /* title for the window */ |
3694 char_u *dflt; /* default file name (may include directory) */ | |
3695 char_u *ext; /* extension added */ | |
3696 char_u *initdir; /* initial directory, NULL for current dir or | |
3697 when using path from "dflt" */ | |
3698 char_u *filter; /* file name filter */ | |
3699 buf_T *buf; /* buffer to read/write for */ | |
3700 { | |
3701 char_u *fname; | |
3702 static char_u *last_dir = NULL; /* last used directory */ | |
3703 char_u *tofree = NULL; | |
3704 int save_browse = cmdmod.browse; | |
3705 | |
3706 /* Must turn off browse to avoid that autocommands will get the | |
3707 * flag too! */ | |
3708 cmdmod.browse = FALSE; | |
3709 | |
28 | 3710 if (title == NULL || *title == NUL) |
7 | 3711 { |
28 | 3712 if (flags & BROWSE_DIR) |
3713 title = (char_u *)_("Select Directory dialog"); | |
3714 else if (flags & BROWSE_SAVE) | |
7 | 3715 title = (char_u *)_("Save File dialog"); |
3716 else | |
3717 title = (char_u *)_("Open File dialog"); | |
3718 } | |
3719 | |
3720 /* When no directory specified, use default file name, default dir, buffer | |
3721 * dir, last dir or current dir */ | |
3722 if ((initdir == NULL || *initdir == NUL) && dflt != NULL && *dflt != NUL) | |
3723 { | |
3724 if (mch_isdir(dflt)) /* default file name is a directory */ | |
3725 { | |
3726 initdir = dflt; | |
3727 dflt = NULL; | |
3728 } | |
3729 else if (gettail(dflt) != dflt) /* default file name includes a path */ | |
3730 { | |
3731 tofree = vim_strsave(dflt); | |
3732 if (tofree != NULL) | |
3733 { | |
3734 initdir = tofree; | |
3735 *gettail(initdir) = NUL; | |
3736 dflt = gettail(dflt); | |
3737 } | |
3738 } | |
3739 } | |
3740 | |
3741 if (initdir == NULL || *initdir == NUL) | |
3742 { | |
3743 /* When 'browsedir' is a directory, use it */ | |
28 | 3744 if (STRCMP(p_bsdir, "last") != 0 |
3745 && STRCMP(p_bsdir, "buffer") != 0 | |
3746 && STRCMP(p_bsdir, "current") != 0 | |
3747 && mch_isdir(p_bsdir)) | |
7 | 3748 initdir = p_bsdir; |
3749 /* When saving or 'browsedir' is "buffer", use buffer fname */ | |
28 | 3750 else if (((flags & BROWSE_SAVE) || *p_bsdir == 'b') |
7 | 3751 && buf != NULL && buf->b_ffname != NULL) |
3752 { | |
3753 if (dflt == NULL || *dflt == NUL) | |
3754 dflt = gettail(curbuf->b_ffname); | |
3755 tofree = vim_strsave(curbuf->b_ffname); | |
3756 if (tofree != NULL) | |
3757 { | |
3758 initdir = tofree; | |
3759 *gettail(initdir) = NUL; | |
3760 } | |
3761 } | |
3762 /* When 'browsedir' is "last", use dir from last browse */ | |
3763 else if (*p_bsdir == 'l') | |
3764 initdir = last_dir; | |
3765 /* When 'browsedir is "current", use current directory. This is the | |
3766 * default already, leave initdir empty. */ | |
3767 } | |
3768 | |
3769 # ifdef FEAT_GUI | |
3770 if (gui.in_use) /* when this changes, also adjust f_has()! */ | |
3771 { | |
3772 if (filter == NULL | |
3773 # ifdef FEAT_EVAL | |
3774 && (filter = get_var_value((char_u *)"b:browsefilter")) == NULL | |
3775 && (filter = get_var_value((char_u *)"g:browsefilter")) == NULL | |
3776 # endif | |
3777 ) | |
3778 filter = BROWSE_FILTER_DEFAULT; | |
28 | 3779 if (flags & BROWSE_DIR) |
3780 { | |
2277
f42e0b5ff9e9
Change remaining HAVE_GTK2 to FEAT_GUI_GTK.
Bram Moolenaar <bram@vim.org>
parents:
1924
diff
changeset
|
3781 # if defined(FEAT_GUI_GTK) || defined(WIN3264) |
28 | 3782 /* For systems that have a directory dialog. */ |
3783 fname = gui_mch_browsedir(title, initdir); | |
3784 # else | |
3785 /* Generic solution for selecting a directory: select a file and | |
3786 * remove the file name. */ | |
3787 fname = gui_mch_browse(0, title, dflt, ext, initdir, (char_u *)""); | |
3788 # endif | |
2277
f42e0b5ff9e9
Change remaining HAVE_GTK2 to FEAT_GUI_GTK.
Bram Moolenaar <bram@vim.org>
parents:
1924
diff
changeset
|
3789 # if !defined(FEAT_GUI_GTK) |
28 | 3790 /* Win32 adds a dummy file name, others return an arbitrary file |
3791 * name. GTK+ 2 returns only the directory, */ | |
3792 if (fname != NULL && *fname != NUL && !mch_isdir(fname)) | |
3793 { | |
3794 /* Remove the file name. */ | |
39 | 3795 char_u *tail = gettail_sep(fname); |
28 | 3796 |
3797 if (tail == fname) | |
3798 *tail++ = '.'; /* use current dir */ | |
3799 *tail = NUL; | |
3800 } | |
3801 # endif | |
3802 } | |
3803 else | |
3804 fname = gui_mch_browse(flags & BROWSE_SAVE, | |
3805 title, dflt, ext, initdir, filter); | |
7 | 3806 |
3807 /* We hang around in the dialog for a while, the user might do some | |
3808 * things to our files. The Win32 dialog allows deleting or renaming | |
3809 * a file, check timestamps. */ | |
3810 need_check_timestamps = TRUE; | |
3811 did_check_timestamps = FALSE; | |
3812 } | |
3813 else | |
3814 # endif | |
3815 { | |
3816 /* TODO: non-GUI file selector here */ | |
3817 EMSG(_("E338: Sorry, no file browser in console mode")); | |
3818 fname = NULL; | |
3819 } | |
3820 | |
3821 /* keep the directory for next time */ | |
3822 if (fname != NULL) | |
3823 { | |
3824 vim_free(last_dir); | |
3825 last_dir = vim_strsave(fname); | |
28 | 3826 if (last_dir != NULL && !(flags & BROWSE_DIR)) |
7 | 3827 { |
3828 *gettail(last_dir) = NUL; | |
3829 if (*last_dir == NUL) | |
3830 { | |
3831 /* filename only returned, must be in current dir */ | |
3832 vim_free(last_dir); | |
3833 last_dir = alloc(MAXPATHL); | |
3834 if (last_dir != NULL) | |
3835 mch_dirname(last_dir, MAXPATHL); | |
3836 } | |
3837 } | |
3838 } | |
3839 | |
3840 vim_free(tofree); | |
3841 cmdmod.browse = save_browse; | |
3842 | |
3843 return fname; | |
3844 } | |
3845 #endif | |
272 | 3846 |
449 | 3847 #if defined(HAVE_STDARG_H) && defined(FEAT_EVAL) |
3848 static char *e_printf = N_("E766: Insufficient arguments for printf()"); | |
3849 | |
3850 static long tv_nr __ARGS((typval_T *tvs, int *idxp)); | |
3851 static char *tv_str __ARGS((typval_T *tvs, int *idxp)); | |
1619 | 3852 # ifdef FEAT_FLOAT |
3853 static double tv_float __ARGS((typval_T *tvs, int *idxp)); | |
3854 # endif | |
449 | 3855 |
3856 /* | |
3857 * Get number argument from "idxp" entry in "tvs". First entry is 1. | |
3858 */ | |
3859 static long | |
3860 tv_nr(tvs, idxp) | |
3861 typval_T *tvs; | |
3862 int *idxp; | |
3863 { | |
3864 int idx = *idxp - 1; | |
3865 long n = 0; | |
3866 int err = FALSE; | |
3867 | |
3868 if (tvs[idx].v_type == VAR_UNKNOWN) | |
3869 EMSG(_(e_printf)); | |
3870 else | |
3871 { | |
3872 ++*idxp; | |
3873 n = get_tv_number_chk(&tvs[idx], &err); | |
3874 if (err) | |
3875 n = 0; | |
3876 } | |
3877 return n; | |
3878 } | |
3879 | |
3880 /* | |
3881 * Get string argument from "idxp" entry in "tvs". First entry is 1. | |
532 | 3882 * Returns NULL for an error. |
449 | 3883 */ |
3884 static char * | |
3885 tv_str(tvs, idxp) | |
3886 typval_T *tvs; | |
3887 int *idxp; | |
3888 { | |
3889 int idx = *idxp - 1; | |
3890 char *s = NULL; | |
3891 | |
3892 if (tvs[idx].v_type == VAR_UNKNOWN) | |
3893 EMSG(_(e_printf)); | |
3894 else | |
3895 { | |
3896 ++*idxp; | |
3897 s = (char *)get_tv_string_chk(&tvs[idx]); | |
3898 } | |
3899 return s; | |
3900 } | |
1619 | 3901 |
3902 # ifdef FEAT_FLOAT | |
3903 /* | |
3904 * Get float argument from "idxp" entry in "tvs". First entry is 1. | |
3905 */ | |
3906 static double | |
3907 tv_float(tvs, idxp) | |
3908 typval_T *tvs; | |
3909 int *idxp; | |
3910 { | |
3911 int idx = *idxp - 1; | |
3912 double f = 0; | |
3913 | |
3914 if (tvs[idx].v_type == VAR_UNKNOWN) | |
3915 EMSG(_(e_printf)); | |
3916 else | |
3917 { | |
3918 ++*idxp; | |
3919 if (tvs[idx].v_type == VAR_FLOAT) | |
3920 f = tvs[idx].vval.v_float; | |
1656 | 3921 else if (tvs[idx].v_type == VAR_NUMBER) |
3922 f = tvs[idx].vval.v_number; | |
1619 | 3923 else |
3924 EMSG(_("E807: Expected Float argument for printf()")); | |
3925 } | |
3926 return f; | |
3927 } | |
3928 # endif | |
449 | 3929 #endif |
3930 | |
272 | 3931 /* |
3932 * This code was included to provide a portable vsnprintf() and snprintf(). | |
715 | 3933 * Some systems may provide their own, but we always use this one for |
272 | 3934 * consistency. |
3935 * | |
3936 * This code is based on snprintf.c - a portable implementation of snprintf | |
3937 * by Mark Martinec <mark.martinec@ijs.si>, Version 2.2, 2000-10-06. | |
1189 | 3938 * Included with permission. It was heavily modified to fit in Vim. |
272 | 3939 * The original code, including useful comments, can be found here: |
3940 * http://www.ijs.si/software/snprintf/ | |
3941 * | |
3942 * This snprintf() only supports the following conversion specifiers: | |
3943 * s, c, d, u, o, x, X, p (and synonyms: i, D, U, O - see below) | |
3944 * with flags: '-', '+', ' ', '0' and '#'. | |
3945 * An asterisk is supported for field width as well as precision. | |
3946 * | |
1619 | 3947 * Limited support for floating point was added: 'f', 'e', 'E', 'g', 'G'. |
3948 * | |
272 | 3949 * Length modifiers 'h' (short int) and 'l' (long int) are supported. |
3950 * 'll' (long long int) is not supported. | |
3951 * | |
437 | 3952 * The locale is not used, the string is used as a byte string. This is only |
3953 * relevant for double-byte encodings where the second byte may be '%'. | |
3954 * | |
715 | 3955 * It is permitted for "str_m" to be zero, and it is permitted to specify NULL |
3956 * pointer for resulting string argument if "str_m" is zero (as per ISO C99). | |
272 | 3957 * |
3958 * The return value is the number of characters which would be generated | |
3959 * for the given input, excluding the trailing null. If this value | |
715 | 3960 * is greater or equal to "str_m", not all characters from the result |
3961 * have been stored in str, output bytes beyond the ("str_m"-1) -th character | |
3962 * are discarded. If "str_m" is greater than zero it is guaranteed | |
272 | 3963 * the resulting string will be null-terminated. |
3964 */ | |
3965 | |
3966 /* | |
3967 * When va_list is not supported we only define vim_snprintf(). | |
449 | 3968 * |
3969 * vim_vsnprintf() can be invoked with either "va_list" or a list of | |
482 | 3970 * "typval_T". When the latter is not used it must be NULL. |
272 | 3971 */ |
3972 | |
3973 /* When generating prototypes all of this is skipped, cproto doesn't | |
3974 * understand this. */ | |
3975 #ifndef PROTO | |
2280
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3976 |
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3977 # ifdef HAVE_STDARG_H |
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3978 /* Like vim_vsnprintf() but append to the string. */ |
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3979 int |
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3980 vim_snprintf_add(char *str, size_t str_m, char *fmt, ...) |
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3981 { |
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3982 va_list ap; |
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3983 int str_l; |
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3984 size_t len = STRLEN(str); |
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3985 size_t space; |
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3986 |
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3987 if (str_m <= len) |
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3988 space = 0; |
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3989 else |
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3990 space = str_m - len; |
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3991 va_start(ap, fmt); |
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3992 str_l = vim_vsnprintf(str + len, space, fmt, ap, NULL); |
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3993 va_end(ap); |
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3994 return str_l; |
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3995 } |
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3996 # else |
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3997 /* Like vim_vsnprintf() but append to the string. */ |
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3998 int |
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3999 vim_snprintf_add(str, str_m, fmt, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) |
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4000 char *str; |
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4001 size_t str_m; |
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4002 char *fmt; |
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4003 long a1, a2, a3, a4, a5, a6, a7, a8, a9, a10; |
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4004 { |
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4005 size_t len = STRLEN(str); |
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4006 size_t space; |
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4007 |
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4008 if (str_m <= len) |
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4009 space = 0; |
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4010 else |
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4011 space = str_m - len; |
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4012 return vim_vsnprintf(str + len, space, fmt, |
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4013 a1, a2, a3, a4, a5, a6, a7, a8, a9, a10); |
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4014 } |
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4015 # endif |
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4016 |
272 | 4017 # ifdef HAVE_STDARG_H |
4018 int | |
4019 vim_snprintf(char *str, size_t str_m, char *fmt, ...) | |
4020 { | |
4021 va_list ap; | |
4022 int str_l; | |
4023 | |
4024 va_start(ap, fmt); | |
449 | 4025 str_l = vim_vsnprintf(str, str_m, fmt, ap, NULL); |
272 | 4026 va_end(ap); |
4027 return str_l; | |
4028 } | |
4029 | |
449 | 4030 int |
4031 vim_vsnprintf(str, str_m, fmt, ap, tvs) | |
272 | 4032 # else |
4033 /* clumsy way to work around missing va_list */ | |
449 | 4034 # define get_a_arg(i) (++i, i == 2 ? a1 : i == 3 ? a2 : i == 4 ? a3 : i == 5 ? a4 : i == 6 ? a5 : i == 7 ? a6 : i == 8 ? a7 : i == 9 ? a8 : i == 10 ? a9 : a10) |
272 | 4035 |
4036 /* VARARGS */ | |
4037 int | |
4038 #ifdef __BORLANDC__ | |
4039 _RTLENTRYF | |
4040 #endif | |
4041 vim_snprintf(str, str_m, fmt, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10) | |
4042 # endif | |
4043 char *str; | |
4044 size_t str_m; | |
4045 char *fmt; | |
4046 # ifdef HAVE_STDARG_H | |
4047 va_list ap; | |
449 | 4048 typval_T *tvs; |
272 | 4049 # else |
4050 long a1, a2, a3, a4, a5, a6, a7, a8, a9, a10; | |
4051 # endif | |
4052 { | |
4053 size_t str_l = 0; | |
4054 char *p = fmt; | |
4055 int arg_idx = 1; | |
4056 | |
4057 if (p == NULL) | |
4058 p = ""; | |
4059 while (*p != NUL) | |
4060 { | |
4061 if (*p != '%') | |
4062 { | |
4063 char *q = strchr(p + 1, '%'); | |
1883 | 4064 size_t n = (q == NULL) ? STRLEN(p) : (size_t)(q - p); |
272 | 4065 |
437 | 4066 /* Copy up to the next '%' or NUL without any changes. */ |
272 | 4067 if (str_l < str_m) |
4068 { | |
4069 size_t avail = str_m - str_l; | |
4070 | |
4071 mch_memmove(str + str_l, p, n > avail ? avail : n); | |
4072 } | |
4073 p += n; | |
4074 str_l += n; | |
4075 } | |
4076 else | |
4077 { | |
4078 size_t min_field_width = 0, precision = 0; | |
4079 int zero_padding = 0, precision_specified = 0, justify_left = 0; | |
4080 int alternate_form = 0, force_sign = 0; | |
4081 | |
4082 /* If both the ' ' and '+' flags appear, the ' ' flag should be | |
4083 * ignored. */ | |
4084 int space_for_positive = 1; | |
4085 | |
4086 /* allowed values: \0, h, l, L */ | |
4087 char length_modifier = '\0'; | |
4088 | |
4089 /* temporary buffer for simple numeric->string conversion */ | |
1619 | 4090 #ifdef FEAT_FLOAT |
4091 # define TMP_LEN 350 /* On my system 1e308 is the biggest number possible. | |
4092 * That sounds reasonable to use as the maximum | |
4093 * printable. */ | |
4094 #else | |
4095 # define TMP_LEN 32 | |
4096 #endif | |
4097 char tmp[TMP_LEN]; | |
272 | 4098 |
4099 /* string address in case of string argument */ | |
4100 char *str_arg; | |
4101 | |
4102 /* natural field width of arg without padding and sign */ | |
4103 size_t str_arg_l; | |
4104 | |
4105 /* unsigned char argument value - only defined for c conversion. | |
4106 * N.B. standard explicitly states the char argument for the c | |
4107 * conversion is unsigned */ | |
4108 unsigned char uchar_arg; | |
4109 | |
4110 /* number of zeros to be inserted for numeric conversions as | |
4111 * required by the precision or minimal field width */ | |
4112 size_t number_of_zeros_to_pad = 0; | |
4113 | |
4114 /* index into tmp where zero padding is to be inserted */ | |
4115 size_t zero_padding_insertion_ind = 0; | |
4116 | |
4117 /* current conversion specifier character */ | |
4118 char fmt_spec = '\0'; | |
4119 | |
4120 str_arg = NULL; | |
4121 p++; /* skip '%' */ | |
4122 | |
4123 /* parse flags */ | |
4124 while (*p == '0' || *p == '-' || *p == '+' || *p == ' ' | |
4125 || *p == '#' || *p == '\'') | |
4126 { | |
4127 switch (*p) | |
4128 { | |
4129 case '0': zero_padding = 1; break; | |
4130 case '-': justify_left = 1; break; | |
4131 case '+': force_sign = 1; space_for_positive = 0; break; | |
4132 case ' ': force_sign = 1; | |
4133 /* If both the ' ' and '+' flags appear, the ' ' | |
4134 * flag should be ignored */ | |
4135 break; | |
4136 case '#': alternate_form = 1; break; | |
4137 case '\'': break; | |
4138 } | |
4139 p++; | |
4140 } | |
4141 /* If the '0' and '-' flags both appear, the '0' flag should be | |
4142 * ignored. */ | |
4143 | |
4144 /* parse field width */ | |
4145 if (*p == '*') | |
4146 { | |
4147 int j; | |
4148 | |
4149 p++; | |
449 | 4150 j = |
272 | 4151 #ifndef HAVE_STDARG_H |
449 | 4152 get_a_arg(arg_idx); |
272 | 4153 #else |
449 | 4154 # if defined(FEAT_EVAL) |
482 | 4155 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4156 # endif |
4157 va_arg(ap, int); | |
272 | 4158 #endif |
4159 if (j >= 0) | |
4160 min_field_width = j; | |
4161 else | |
4162 { | |
4163 min_field_width = -j; | |
4164 justify_left = 1; | |
4165 } | |
4166 } | |
4167 else if (VIM_ISDIGIT((int)(*p))) | |
4168 { | |
4169 /* size_t could be wider than unsigned int; make sure we treat | |
4170 * argument like common implementations do */ | |
4171 unsigned int uj = *p++ - '0'; | |
4172 | |
4173 while (VIM_ISDIGIT((int)(*p))) | |
4174 uj = 10 * uj + (unsigned int)(*p++ - '0'); | |
4175 min_field_width = uj; | |
4176 } | |
4177 | |
4178 /* parse precision */ | |
4179 if (*p == '.') | |
4180 { | |
4181 p++; | |
4182 precision_specified = 1; | |
4183 if (*p == '*') | |
4184 { | |
4185 int j; | |
4186 | |
449 | 4187 j = |
272 | 4188 #ifndef HAVE_STDARG_H |
449 | 4189 get_a_arg(arg_idx); |
272 | 4190 #else |
449 | 4191 # if defined(FEAT_EVAL) |
482 | 4192 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4193 # endif |
4194 va_arg(ap, int); | |
272 | 4195 #endif |
4196 p++; | |
4197 if (j >= 0) | |
4198 precision = j; | |
4199 else | |
4200 { | |
4201 precision_specified = 0; | |
4202 precision = 0; | |
4203 } | |
4204 } | |
4205 else if (VIM_ISDIGIT((int)(*p))) | |
4206 { | |
4207 /* size_t could be wider than unsigned int; make sure we | |
4208 * treat argument like common implementations do */ | |
4209 unsigned int uj = *p++ - '0'; | |
4210 | |
4211 while (VIM_ISDIGIT((int)(*p))) | |
4212 uj = 10 * uj + (unsigned int)(*p++ - '0'); | |
4213 precision = uj; | |
4214 } | |
4215 } | |
4216 | |
4217 /* parse 'h', 'l' and 'll' length modifiers */ | |
4218 if (*p == 'h' || *p == 'l') | |
4219 { | |
4220 length_modifier = *p; | |
4221 p++; | |
4222 if (length_modifier == 'l' && *p == 'l') | |
4223 { | |
4224 /* double l = long long */ | |
4225 length_modifier = 'l'; /* treat it as a single 'l' */ | |
4226 p++; | |
4227 } | |
4228 } | |
4229 fmt_spec = *p; | |
4230 | |
4231 /* common synonyms: */ | |
4232 switch (fmt_spec) | |
4233 { | |
4234 case 'i': fmt_spec = 'd'; break; | |
4235 case 'D': fmt_spec = 'd'; length_modifier = 'l'; break; | |
4236 case 'U': fmt_spec = 'u'; length_modifier = 'l'; break; | |
4237 case 'O': fmt_spec = 'o'; length_modifier = 'l'; break; | |
1619 | 4238 case 'F': fmt_spec = 'f'; break; |
272 | 4239 default: break; |
4240 } | |
4241 | |
4242 /* get parameter value, do initial processing */ | |
4243 switch (fmt_spec) | |
4244 { | |
4245 /* '%' and 'c' behave similar to 's' regarding flags and field | |
4246 * widths */ | |
4247 case '%': | |
4248 case 'c': | |
4249 case 's': | |
4250 length_modifier = '\0'; | |
4251 str_arg_l = 1; | |
4252 switch (fmt_spec) | |
4253 { | |
4254 case '%': | |
4255 str_arg = p; | |
4256 break; | |
4257 | |
4258 case 'c': | |
4259 { | |
4260 int j; | |
449 | 4261 |
4262 j = | |
272 | 4263 #ifndef HAVE_STDARG_H |
449 | 4264 get_a_arg(arg_idx); |
272 | 4265 #else |
449 | 4266 # if defined(FEAT_EVAL) |
482 | 4267 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4268 # endif |
4269 va_arg(ap, int); | |
272 | 4270 #endif |
4271 /* standard demands unsigned char */ | |
4272 uchar_arg = (unsigned char)j; | |
4273 str_arg = (char *)&uchar_arg; | |
4274 break; | |
4275 } | |
4276 | |
4277 case 's': | |
449 | 4278 str_arg = |
272 | 4279 #ifndef HAVE_STDARG_H |
449 | 4280 (char *)get_a_arg(arg_idx); |
272 | 4281 #else |
449 | 4282 # if defined(FEAT_EVAL) |
482 | 4283 tvs != NULL ? tv_str(tvs, &arg_idx) : |
449 | 4284 # endif |
4285 va_arg(ap, char *); | |
272 | 4286 #endif |
4287 if (str_arg == NULL) | |
4288 { | |
4289 str_arg = "[NULL]"; | |
4290 str_arg_l = 6; | |
4291 } | |
4292 /* make sure not to address string beyond the specified | |
4293 * precision !!! */ | |
4294 else if (!precision_specified) | |
4295 str_arg_l = strlen(str_arg); | |
4296 /* truncate string if necessary as requested by precision */ | |
4297 else if (precision == 0) | |
4298 str_arg_l = 0; | |
4299 else | |
4300 { | |
881 | 4301 /* Don't put the #if inside memchr(), it can be a |
4302 * macro. */ | |
4303 #if SIZEOF_INT <= 2 | |
4304 char *q = memchr(str_arg, '\0', precision); | |
4305 #else | |
272 | 4306 /* memchr on HP does not like n > 2^31 !!! */ |
4307 char *q = memchr(str_arg, '\0', | |
881 | 4308 precision <= (size_t)0x7fffffffL ? precision |
4309 : (size_t)0x7fffffffL); | |
810 | 4310 #endif |
1883 | 4311 str_arg_l = (q == NULL) ? precision |
4312 : (size_t)(q - str_arg); | |
272 | 4313 } |
4314 break; | |
4315 | |
4316 default: | |
4317 break; | |
4318 } | |
4319 break; | |
4320 | |
4321 case 'd': case 'u': case 'o': case 'x': case 'X': case 'p': | |
4322 { | |
4323 /* NOTE: the u, o, x, X and p conversion specifiers | |
4324 * imply the value is unsigned; d implies a signed | |
4325 * value */ | |
4326 | |
4327 /* 0 if numeric argument is zero (or if pointer is | |
4328 * NULL for 'p'), +1 if greater than zero (or nonzero | |
4329 * for unsigned arguments), -1 if negative (unsigned | |
4330 * argument is never negative) */ | |
4331 int arg_sign = 0; | |
4332 | |
4333 /* only defined for length modifier h, or for no | |
4334 * length modifiers */ | |
4335 int int_arg = 0; | |
4336 unsigned int uint_arg = 0; | |
4337 | |
4338 /* only defined for length modifier l */ | |
4339 long int long_arg = 0; | |
4340 unsigned long int ulong_arg = 0; | |
4341 | |
4342 /* pointer argument value -only defined for p | |
4343 * conversion */ | |
4344 void *ptr_arg = NULL; | |
4345 | |
4346 if (fmt_spec == 'p') | |
4347 { | |
4348 length_modifier = '\0'; | |
449 | 4349 ptr_arg = |
272 | 4350 #ifndef HAVE_STDARG_H |
482 | 4351 (void *)get_a_arg(arg_idx); |
272 | 4352 #else |
449 | 4353 # if defined(FEAT_EVAL) |
482 | 4354 tvs != NULL ? (void *)tv_str(tvs, &arg_idx) : |
449 | 4355 # endif |
4356 va_arg(ap, void *); | |
272 | 4357 #endif |
4358 if (ptr_arg != NULL) | |
4359 arg_sign = 1; | |
4360 } | |
4361 else if (fmt_spec == 'd') | |
4362 { | |
4363 /* signed */ | |
4364 switch (length_modifier) | |
4365 { | |
4366 case '\0': | |
4367 case 'h': | |
449 | 4368 /* char and short arguments are passed as int. */ |
4369 int_arg = | |
272 | 4370 #ifndef HAVE_STDARG_H |
449 | 4371 get_a_arg(arg_idx); |
272 | 4372 #else |
449 | 4373 # if defined(FEAT_EVAL) |
482 | 4374 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4375 # endif |
4376 va_arg(ap, int); | |
272 | 4377 #endif |
4378 if (int_arg > 0) | |
4379 arg_sign = 1; | |
4380 else if (int_arg < 0) | |
4381 arg_sign = -1; | |
4382 break; | |
4383 case 'l': | |
449 | 4384 long_arg = |
272 | 4385 #ifndef HAVE_STDARG_H |
449 | 4386 get_a_arg(arg_idx); |
272 | 4387 #else |
449 | 4388 # if defined(FEAT_EVAL) |
482 | 4389 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4390 # endif |
4391 va_arg(ap, long int); | |
272 | 4392 #endif |
4393 if (long_arg > 0) | |
4394 arg_sign = 1; | |
4395 else if (long_arg < 0) | |
4396 arg_sign = -1; | |
4397 break; | |
4398 } | |
4399 } | |
4400 else | |
4401 { | |
4402 /* unsigned */ | |
4403 switch (length_modifier) | |
4404 { | |
4405 case '\0': | |
4406 case 'h': | |
449 | 4407 uint_arg = |
272 | 4408 #ifndef HAVE_STDARG_H |
449 | 4409 get_a_arg(arg_idx); |
272 | 4410 #else |
449 | 4411 # if defined(FEAT_EVAL) |
1883 | 4412 tvs != NULL ? (unsigned) |
4413 tv_nr(tvs, &arg_idx) : | |
449 | 4414 # endif |
4415 va_arg(ap, unsigned int); | |
272 | 4416 #endif |
4417 if (uint_arg != 0) | |
4418 arg_sign = 1; | |
4419 break; | |
4420 case 'l': | |
449 | 4421 ulong_arg = |
272 | 4422 #ifndef HAVE_STDARG_H |
449 | 4423 get_a_arg(arg_idx); |
272 | 4424 #else |
449 | 4425 # if defined(FEAT_EVAL) |
1883 | 4426 tvs != NULL ? (unsigned long) |
4427 tv_nr(tvs, &arg_idx) : | |
449 | 4428 # endif |
4429 va_arg(ap, unsigned long int); | |
272 | 4430 #endif |
4431 if (ulong_arg != 0) | |
4432 arg_sign = 1; | |
4433 break; | |
4434 } | |
4435 } | |
4436 | |
4437 str_arg = tmp; | |
4438 str_arg_l = 0; | |
4439 | |
4440 /* NOTE: | |
4441 * For d, i, u, o, x, and X conversions, if precision is | |
4442 * specified, the '0' flag should be ignored. This is so | |
4443 * with Solaris 2.6, Digital UNIX 4.0, HPUX 10, Linux, | |
4444 * FreeBSD, NetBSD; but not with Perl. | |
4445 */ | |
4446 if (precision_specified) | |
4447 zero_padding = 0; | |
4448 if (fmt_spec == 'd') | |
4449 { | |
4450 if (force_sign && arg_sign >= 0) | |
4451 tmp[str_arg_l++] = space_for_positive ? ' ' : '+'; | |
4452 /* leave negative numbers for sprintf to handle, to | |
4453 * avoid handling tricky cases like (short int)-32768 */ | |
4454 } | |
4455 else if (alternate_form) | |
4456 { | |
4457 if (arg_sign != 0 | |
4458 && (fmt_spec == 'x' || fmt_spec == 'X') ) | |
4459 { | |
4460 tmp[str_arg_l++] = '0'; | |
4461 tmp[str_arg_l++] = fmt_spec; | |
4462 } | |
4463 /* alternate form should have no effect for p | |
4464 * conversion, but ... */ | |
4465 } | |
4466 | |
4467 zero_padding_insertion_ind = str_arg_l; | |
4468 if (!precision_specified) | |
4469 precision = 1; /* default precision is 1 */ | |
4470 if (precision == 0 && arg_sign == 0) | |
4471 { | |
4472 /* When zero value is formatted with an explicit | |
4473 * precision 0, the resulting formatted string is | |
4474 * empty (d, i, u, o, x, X, p). */ | |
4475 } | |
4476 else | |
4477 { | |
4478 char f[5]; | |
4479 int f_l = 0; | |
4480 | |
4481 /* construct a simple format string for sprintf */ | |
4482 f[f_l++] = '%'; | |
4483 if (!length_modifier) | |
4484 ; | |
4485 else if (length_modifier == '2') | |
4486 { | |
4487 f[f_l++] = 'l'; | |
4488 f[f_l++] = 'l'; | |
4489 } | |
4490 else | |
4491 f[f_l++] = length_modifier; | |
4492 f[f_l++] = fmt_spec; | |
4493 f[f_l++] = '\0'; | |
4494 | |
4495 if (fmt_spec == 'p') | |
4496 str_arg_l += sprintf(tmp + str_arg_l, f, ptr_arg); | |
4497 else if (fmt_spec == 'd') | |
4498 { | |
4499 /* signed */ | |
4500 switch (length_modifier) | |
4501 { | |
4502 case '\0': | |
4503 case 'h': str_arg_l += sprintf( | |
4504 tmp + str_arg_l, f, int_arg); | |
4505 break; | |
4506 case 'l': str_arg_l += sprintf( | |
4507 tmp + str_arg_l, f, long_arg); | |
4508 break; | |
4509 } | |
4510 } | |
4511 else | |
4512 { | |
4513 /* unsigned */ | |
4514 switch (length_modifier) | |
4515 { | |
4516 case '\0': | |
4517 case 'h': str_arg_l += sprintf( | |
4518 tmp + str_arg_l, f, uint_arg); | |
4519 break; | |
4520 case 'l': str_arg_l += sprintf( | |
4521 tmp + str_arg_l, f, ulong_arg); | |
4522 break; | |
4523 } | |
4524 } | |
4525 | |
4526 /* include the optional minus sign and possible | |
4527 * "0x" in the region before the zero padding | |
4528 * insertion point */ | |
4529 if (zero_padding_insertion_ind < str_arg_l | |
4530 && tmp[zero_padding_insertion_ind] == '-') | |
4531 zero_padding_insertion_ind++; | |
4532 if (zero_padding_insertion_ind + 1 < str_arg_l | |
4533 && tmp[zero_padding_insertion_ind] == '0' | |
4534 && (tmp[zero_padding_insertion_ind + 1] == 'x' | |
4535 || tmp[zero_padding_insertion_ind + 1] == 'X')) | |
4536 zero_padding_insertion_ind += 2; | |
4537 } | |
4538 | |
4539 { | |
4540 size_t num_of_digits = str_arg_l | |
4541 - zero_padding_insertion_ind; | |
4542 | |
4543 if (alternate_form && fmt_spec == 'o' | |
4544 /* unless zero is already the first | |
4545 * character */ | |
4546 && !(zero_padding_insertion_ind < str_arg_l | |
4547 && tmp[zero_padding_insertion_ind] == '0')) | |
4548 { | |
4549 /* assure leading zero for alternate-form | |
4550 * octal numbers */ | |
4551 if (!precision_specified | |
4552 || precision < num_of_digits + 1) | |
4553 { | |
4554 /* precision is increased to force the | |
4555 * first character to be zero, except if a | |
4556 * zero value is formatted with an | |
4557 * explicit precision of zero */ | |
4558 precision = num_of_digits + 1; | |
4559 precision_specified = 1; | |
4560 } | |
4561 } | |
4562 /* zero padding to specified precision? */ | |
4563 if (num_of_digits < precision) | |
4564 number_of_zeros_to_pad = precision - num_of_digits; | |
4565 } | |
4566 /* zero padding to specified minimal field width? */ | |
4567 if (!justify_left && zero_padding) | |
4568 { | |
835 | 4569 int n = (int)(min_field_width - (str_arg_l |
4570 + number_of_zeros_to_pad)); | |
272 | 4571 if (n > 0) |
4572 number_of_zeros_to_pad += n; | |
4573 } | |
4574 break; | |
4575 } | |
4576 | |
1619 | 4577 #ifdef FEAT_FLOAT |
4578 case 'f': | |
4579 case 'e': | |
4580 case 'E': | |
4581 case 'g': | |
4582 case 'G': | |
4583 { | |
4584 /* Floating point. */ | |
4585 double f; | |
4586 double abs_f; | |
4587 char format[40]; | |
4588 int l; | |
4589 int remove_trailing_zeroes = FALSE; | |
4590 | |
4591 f = | |
4592 # ifndef HAVE_STDARG_H | |
4593 get_a_arg(arg_idx); | |
4594 # else | |
4595 # if defined(FEAT_EVAL) | |
4596 tvs != NULL ? tv_float(tvs, &arg_idx) : | |
4597 # endif | |
4598 va_arg(ap, double); | |
4599 # endif | |
4600 abs_f = f < 0 ? -f : f; | |
4601 | |
4602 if (fmt_spec == 'g' || fmt_spec == 'G') | |
4603 { | |
4604 /* Would be nice to use %g directly, but it prints | |
4605 * "1.0" as "1", we don't want that. */ | |
4606 if ((abs_f >= 0.001 && abs_f < 10000000.0) | |
4607 || abs_f == 0.0) | |
4608 fmt_spec = 'f'; | |
4609 else | |
4610 fmt_spec = fmt_spec == 'g' ? 'e' : 'E'; | |
4611 remove_trailing_zeroes = TRUE; | |
4612 } | |
4613 | |
1783 | 4614 if (fmt_spec == 'f' && |
4615 #ifdef VAX | |
4616 abs_f > 1.0e38 | |
4617 #else | |
4618 abs_f > 1.0e307 | |
4619 #endif | |
4620 ) | |
1619 | 4621 { |
4622 /* Avoid a buffer overflow */ | |
4623 strcpy(tmp, "inf"); | |
4624 str_arg_l = 3; | |
4625 } | |
4626 else | |
4627 { | |
4628 format[0] = '%'; | |
4629 l = 1; | |
4630 if (precision_specified) | |
4631 { | |
4632 size_t max_prec = TMP_LEN - 10; | |
4633 | |
4634 /* Make sure we don't get more digits than we | |
4635 * have room for. */ | |
4636 if (fmt_spec == 'f' && abs_f > 1.0) | |
4637 max_prec -= (size_t)log10(abs_f); | |
4638 if (precision > max_prec) | |
4639 precision = max_prec; | |
4640 l += sprintf(format + 1, ".%d", (int)precision); | |
4641 } | |
4642 format[l] = fmt_spec; | |
4643 format[l + 1] = NUL; | |
4644 str_arg_l = sprintf(tmp, format, f); | |
4645 | |
4646 if (remove_trailing_zeroes) | |
4647 { | |
4648 int i; | |
1757 | 4649 char *tp; |
1619 | 4650 |
4651 /* Using %g or %G: remove superfluous zeroes. */ | |
4652 if (fmt_spec == 'f') | |
1757 | 4653 tp = tmp + str_arg_l - 1; |
1619 | 4654 else |
4655 { | |
1757 | 4656 tp = (char *)vim_strchr((char_u *)tmp, |
1619 | 4657 fmt_spec == 'e' ? 'e' : 'E'); |
1757 | 4658 if (tp != NULL) |
1619 | 4659 { |
4660 /* Remove superfluous '+' and leading | |
4661 * zeroes from the exponent. */ | |
1757 | 4662 if (tp[1] == '+') |
1619 | 4663 { |
4664 /* Change "1.0e+07" to "1.0e07" */ | |
1757 | 4665 STRMOVE(tp + 1, tp + 2); |
1619 | 4666 --str_arg_l; |
4667 } | |
1757 | 4668 i = (tp[1] == '-') ? 2 : 1; |
4669 while (tp[i] == '0') | |
1619 | 4670 { |
4671 /* Change "1.0e07" to "1.0e7" */ | |
1757 | 4672 STRMOVE(tp + i, tp + i + 1); |
1619 | 4673 --str_arg_l; |
4674 } | |
1757 | 4675 --tp; |
1619 | 4676 } |
4677 } | |
4678 | |
1757 | 4679 if (tp != NULL && !precision_specified) |
1619 | 4680 /* Remove trailing zeroes, but keep the one |
4681 * just after a dot. */ | |
1757 | 4682 while (tp > tmp + 2 && *tp == '0' |
4683 && tp[-1] != '.') | |
1619 | 4684 { |
1757 | 4685 STRMOVE(tp, tp + 1); |
4686 --tp; | |
1619 | 4687 --str_arg_l; |
4688 } | |
4689 } | |
4690 else | |
4691 { | |
1757 | 4692 char *tp; |
1619 | 4693 |
4694 /* Be consistent: some printf("%e") use 1.0e+12 | |
4695 * and some 1.0e+012. Remove one zero in the last | |
4696 * case. */ | |
1757 | 4697 tp = (char *)vim_strchr((char_u *)tmp, |
1619 | 4698 fmt_spec == 'e' ? 'e' : 'E'); |
1757 | 4699 if (tp != NULL && (tp[1] == '+' || tp[1] == '-') |
4700 && tp[2] == '0' | |
4701 && vim_isdigit(tp[3]) | |
4702 && vim_isdigit(tp[4])) | |
1619 | 4703 { |
1757 | 4704 STRMOVE(tp + 2, tp + 3); |
1619 | 4705 --str_arg_l; |
4706 } | |
4707 } | |
4708 } | |
4709 str_arg = tmp; | |
4710 break; | |
4711 } | |
4712 #endif | |
4713 | |
272 | 4714 default: |
4715 /* unrecognized conversion specifier, keep format string | |
4716 * as-is */ | |
4717 zero_padding = 0; /* turn zero padding off for non-numeric | |
1189 | 4718 conversion */ |
272 | 4719 justify_left = 1; |
856 | 4720 min_field_width = 0; /* reset flags */ |
272 | 4721 |
4722 /* discard the unrecognized conversion, just keep * | |
856 | 4723 * the unrecognized conversion character */ |
272 | 4724 str_arg = p; |
4725 str_arg_l = 0; | |
4726 if (*p != NUL) | |
4727 str_arg_l++; /* include invalid conversion specifier | |
4728 unchanged if not at end-of-string */ | |
4729 break; | |
4730 } | |
4731 | |
4732 if (*p != NUL) | |
4733 p++; /* step over the just processed conversion specifier */ | |
4734 | |
4735 /* insert padding to the left as requested by min_field_width; | |
4736 * this does not include the zero padding in case of numerical | |
4737 * conversions*/ | |
4738 if (!justify_left) | |
4739 { | |
4740 /* left padding with blank or zero */ | |
835 | 4741 int pn = (int)(min_field_width - (str_arg_l + number_of_zeros_to_pad)); |
275 | 4742 |
4743 if (pn > 0) | |
272 | 4744 { |
4745 if (str_l < str_m) | |
4746 { | |
4747 size_t avail = str_m - str_l; | |
4748 | |
4749 vim_memset(str + str_l, zero_padding ? '0' : ' ', | |
1883 | 4750 (size_t)pn > avail ? avail |
4751 : (size_t)pn); | |
272 | 4752 } |
275 | 4753 str_l += pn; |
272 | 4754 } |
4755 } | |
4756 | |
4757 /* zero padding as requested by the precision or by the minimal | |
4758 * field width for numeric conversions required? */ | |
330 | 4759 if (number_of_zeros_to_pad == 0) |
272 | 4760 { |
4761 /* will not copy first part of numeric right now, * | |
4762 * force it to be copied later in its entirety */ | |
4763 zero_padding_insertion_ind = 0; | |
4764 } | |
4765 else | |
4766 { | |
4767 /* insert first part of numerics (sign or '0x') before zero | |
4768 * padding */ | |
835 | 4769 int zn = (int)zero_padding_insertion_ind; |
275 | 4770 |
4771 if (zn > 0) | |
272 | 4772 { |
4773 if (str_l < str_m) | |
4774 { | |
4775 size_t avail = str_m - str_l; | |
4776 | |
4777 mch_memmove(str + str_l, str_arg, | |
1883 | 4778 (size_t)zn > avail ? avail |
4779 : (size_t)zn); | |
272 | 4780 } |
275 | 4781 str_l += zn; |
272 | 4782 } |
4783 | |
4784 /* insert zero padding as requested by the precision or min | |
4785 * field width */ | |
835 | 4786 zn = (int)number_of_zeros_to_pad; |
275 | 4787 if (zn > 0) |
272 | 4788 { |
4789 if (str_l < str_m) | |
4790 { | |
4791 size_t avail = str_m-str_l; | |
4792 | |
275 | 4793 vim_memset(str + str_l, '0', |
1883 | 4794 (size_t)zn > avail ? avail |
4795 : (size_t)zn); | |
272 | 4796 } |
275 | 4797 str_l += zn; |
272 | 4798 } |
4799 } | |
4800 | |
4801 /* insert formatted string | |
4802 * (or as-is conversion specifier for unknown conversions) */ | |
4803 { | |
835 | 4804 int sn = (int)(str_arg_l - zero_padding_insertion_ind); |
275 | 4805 |
4806 if (sn > 0) | |
272 | 4807 { |
4808 if (str_l < str_m) | |
4809 { | |
4810 size_t avail = str_m - str_l; | |
4811 | |
4812 mch_memmove(str + str_l, | |
4813 str_arg + zero_padding_insertion_ind, | |
1883 | 4814 (size_t)sn > avail ? avail : (size_t)sn); |
272 | 4815 } |
275 | 4816 str_l += sn; |
272 | 4817 } |
4818 } | |
4819 | |
4820 /* insert right padding */ | |
4821 if (justify_left) | |
4822 { | |
4823 /* right blank padding to the field width */ | |
1619 | 4824 int pn = (int)(min_field_width |
4825 - (str_arg_l + number_of_zeros_to_pad)); | |
275 | 4826 |
4827 if (pn > 0) | |
272 | 4828 { |
4829 if (str_l < str_m) | |
4830 { | |
4831 size_t avail = str_m - str_l; | |
4832 | |
275 | 4833 vim_memset(str + str_l, ' ', |
1883 | 4834 (size_t)pn > avail ? avail |
4835 : (size_t)pn); | |
272 | 4836 } |
275 | 4837 str_l += pn; |
272 | 4838 } |
4839 } | |
4840 } | |
4841 } | |
4842 | |
4843 if (str_m > 0) | |
4844 { | |
437 | 4845 /* make sure the string is nul-terminated even at the expense of |
272 | 4846 * overwriting the last character (shouldn't happen, but just in case) |
4847 * */ | |
4848 str[str_l <= str_m - 1 ? str_l : str_m - 1] = '\0'; | |
4849 } | |
4850 | |
449 | 4851 #ifdef HAVE_STDARG_H |
482 | 4852 if (tvs != NULL && tvs[arg_idx - 1].v_type != VAR_UNKNOWN) |
449 | 4853 EMSG(_("E767: Too many arguments to printf()")); |
4854 #endif | |
4855 | |
437 | 4856 /* Return the number of characters formatted (excluding trailing nul |
272 | 4857 * character), that is, the number of characters that would have been |
4858 * written to the buffer if it were large enough. */ | |
4859 return (int)str_l; | |
4860 } | |
4861 | |
4862 #endif /* PROTO */ |