Mercurial > vim
annotate src/message.c @ 9438:7897b1e4f3e7 v7.4.2000
commit https://github.com/vim/vim/commit/245a7cb6d33e556415c9fcaa874b784a6d8f0ef3
Author: Bram Moolenaar <Bram@vim.org>
Date: Fri Jul 8 10:53:12 2016 +0200
patch 7.4.2000
Problem: Evalcmd test fails.
Solution: Add missing piece.
author | Christian Brabandt <cb@256bit.org> |
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date | Fri, 08 Jul 2016 11:00:06 +0200 |
parents | f048e5a27253 |
children | 9da0cb39cbee |
rev | line source |
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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 | |
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18 static int other_sourcing_name(void); |
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19 static char_u *get_emsg_source(void); |
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20 static char_u *get_emsg_lnum(void); |
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21 static void add_msg_hist(char_u *s, int len, int attr); |
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22 static void hit_return_msg(void); |
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23 static void msg_home_replace_attr(char_u *fname, int attr); |
7 | 24 #ifdef FEAT_MBYTE |
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25 static char_u *screen_puts_mbyte(char_u *s, int l, int attr); |
7 | 26 #endif |
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27 static void msg_puts_attr_len(char_u *str, int maxlen, int attr); |
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28 static void msg_puts_display(char_u *str, int maxlen, int attr, int recurse); |
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29 static void msg_scroll_up(void); |
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30 static void inc_msg_scrolled(void); |
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31 static void store_sb_text(char_u **sb_str, char_u *s, int attr, int *sb_col, int finish); |
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32 static void t_puts(int *t_col, char_u *t_s, char_u *s, int attr); |
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33 static void msg_puts_printf(char_u *str, int maxlen); |
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34 static int do_more_prompt(int typed_char); |
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35 static void msg_screen_putchar(int c, int attr); |
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36 static int msg_check_screen(void); |
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37 static void redir_write(char_u *s, int maxlen); |
7 | 38 #ifdef FEAT_CON_DIALOG |
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39 static char_u *msg_show_console_dialog(char_u *message, char_u *buttons, int dfltbutton); |
7 | 40 static int confirm_msg_used = FALSE; /* displaying confirm_msg */ |
41 static char_u *confirm_msg = NULL; /* ":confirm" message */ | |
42 static char_u *confirm_msg_tail; /* tail of confirm_msg */ | |
43 #endif | |
44 | |
45 struct msg_hist | |
46 { | |
47 struct msg_hist *next; | |
48 char_u *msg; | |
49 int attr; | |
50 }; | |
51 | |
52 static struct msg_hist *first_msg_hist = NULL; | |
53 static struct msg_hist *last_msg_hist = NULL; | |
54 static int msg_hist_len = 0; | |
55 | |
3072 | 56 static FILE *verbose_fd = NULL; |
57 static int verbose_did_open = FALSE; | |
58 | |
7 | 59 /* |
60 * When writing messages to the screen, there are many different situations. | |
61 * A number of variables is used to remember the current state: | |
62 * msg_didany TRUE when messages were written since the last time the | |
63 * user reacted to a prompt. | |
64 * Reset: After hitting a key for the hit-return prompt, | |
65 * hitting <CR> for the command line or input(). | |
66 * Set: When any message is written to the screen. | |
67 * msg_didout TRUE when something was written to the current line. | |
68 * Reset: When advancing to the next line, when the current | |
69 * text can be overwritten. | |
70 * Set: When any message is written to the screen. | |
71 * msg_nowait No extra delay for the last drawn message. | |
72 * Used in normal_cmd() before the mode message is drawn. | |
73 * emsg_on_display There was an error message recently. Indicates that there | |
74 * should be a delay before redrawing. | |
75 * msg_scroll The next message should not overwrite the current one. | |
76 * msg_scrolled How many lines the screen has been scrolled (because of | |
77 * messages). Used in update_screen() to scroll the screen | |
78 * back. Incremented each time the screen scrolls a line. | |
79 * msg_scrolled_ign TRUE when msg_scrolled is non-zero and msg_puts_attr() | |
80 * writes something without scrolling should not make | |
81 * need_wait_return to be set. This is a hack to make ":ts" | |
82 * work without an extra prompt. | |
83 * lines_left Number of lines available for messages before the | |
3240 | 84 * more-prompt is to be given. -1 when not set. |
7 | 85 * need_wait_return TRUE when the hit-return prompt is needed. |
86 * Reset: After giving the hit-return prompt, when the user | |
87 * has answered some other prompt. | |
88 * Set: When the ruler or typeahead display is overwritten, | |
89 * scrolling the screen for some message. | |
90 * keep_msg Message to be displayed after redrawing the screen, in | |
91 * main_loop(). | |
92 * This is an allocated string or NULL when not used. | |
93 */ | |
94 | |
95 /* | |
96 * msg(s) - displays the string 's' on the status line | |
97 * When terminal not initialized (yet) mch_errmsg(..) is used. | |
98 * return TRUE if wait_return not called | |
99 */ | |
100 int | |
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101 msg(char_u *s) |
7 | 102 { |
103 return msg_attr_keep(s, 0, FALSE); | |
104 } | |
105 | |
291 | 106 #if defined(FEAT_EVAL) || defined(FEAT_X11) || defined(USE_XSMP) \ |
1924 | 107 || defined(FEAT_GUI_GTK) || defined(PROTO) |
291 | 108 /* |
109 * Like msg() but keep it silent when 'verbosefile' is set. | |
110 */ | |
111 int | |
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112 verb_msg(char_u *s) |
291 | 113 { |
114 int n; | |
115 | |
116 verbose_enter(); | |
117 n = msg_attr_keep(s, 0, FALSE); | |
118 verbose_leave(); | |
119 | |
120 return n; | |
121 } | |
122 #endif | |
123 | |
7 | 124 int |
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125 msg_attr(char_u *s, int attr) |
7 | 126 { |
127 return msg_attr_keep(s, attr, FALSE); | |
128 } | |
129 | |
130 int | |
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131 msg_attr_keep( |
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132 char_u *s, |
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133 int attr, |
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134 int keep) /* TRUE: set keep_msg if it doesn't scroll */ |
7 | 135 { |
136 static int entered = 0; | |
137 int retval; | |
138 char_u *buf = NULL; | |
139 | |
140 #ifdef FEAT_EVAL | |
141 if (attr == 0) | |
142 set_vim_var_string(VV_STATUSMSG, s, -1); | |
143 #endif | |
144 | |
145 /* | |
146 * It is possible that displaying a messages causes a problem (e.g., | |
147 * when redrawing the window), which causes another message, etc.. To | |
148 * break this loop, limit the recursiveness to 3 levels. | |
149 */ | |
150 if (entered >= 3) | |
151 return TRUE; | |
152 ++entered; | |
153 | |
154 /* Add message to history (unless it's a repeated kept message or a | |
155 * truncated message) */ | |
156 if (s != keep_msg | |
157 || (*s != '<' | |
158 && last_msg_hist != NULL | |
159 && last_msg_hist->msg != NULL | |
160 && STRCMP(s, last_msg_hist->msg))) | |
161 add_msg_hist(s, -1, attr); | |
162 | |
163 /* When displaying keep_msg, don't let msg_start() free it, caller must do | |
164 * that. */ | |
165 if (s == keep_msg) | |
166 keep_msg = NULL; | |
167 | |
168 /* Truncate the message if needed. */ | |
513 | 169 msg_start(); |
170 buf = msg_strtrunc(s, FALSE); | |
7 | 171 if (buf != NULL) |
172 s = buf; | |
173 | |
174 msg_outtrans_attr(s, attr); | |
175 msg_clr_eos(); | |
176 retval = msg_end(); | |
177 | |
178 if (keep && retval && vim_strsize(s) < (int)(Rows - cmdline_row - 1) | |
179 * Columns + sc_col) | |
678 | 180 set_keep_msg(s, 0); |
7 | 181 |
182 vim_free(buf); | |
183 --entered; | |
184 return retval; | |
185 } | |
186 | |
187 /* | |
188 * Truncate a string such that it can be printed without causing a scroll. | |
189 * Returns an allocated string or NULL when no truncating is done. | |
190 */ | |
191 char_u * | |
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192 msg_strtrunc( |
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193 char_u *s, |
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194 int force) /* always truncate */ |
7 | 195 { |
196 char_u *buf = NULL; | |
197 int len; | |
198 int room; | |
199 | |
200 /* May truncate message to avoid a hit-return prompt */ | |
513 | 201 if ((!msg_scroll && !need_wait_return && shortmess(SHM_TRUNCALL) |
202 && !exmode_active && msg_silent == 0) || force) | |
7 | 203 { |
204 len = vim_strsize(s); | |
539 | 205 if (msg_scrolled != 0) |
513 | 206 /* Use all the columns. */ |
207 room = (int)(Rows - msg_row) * Columns - 1; | |
208 else | |
209 /* Use up to 'showcmd' column. */ | |
210 room = (int)(Rows - msg_row - 1) * Columns + sc_col - 1; | |
7 | 211 if (len > room && room > 0) |
212 { | |
213 #ifdef FEAT_MBYTE | |
214 if (enc_utf8) | |
215 /* may have up to 18 bytes per cell (6 per char, up to two | |
216 * composing chars) */ | |
3277 | 217 len = (room + 2) * 18; |
7 | 218 else if (enc_dbcs == DBCS_JPNU) |
219 /* may have up to 2 bytes per cell for euc-jp */ | |
3277 | 220 len = (room + 2) * 2; |
7 | 221 else |
222 #endif | |
3277 | 223 len = room + 2; |
224 buf = alloc(len); | |
7 | 225 if (buf != NULL) |
3277 | 226 trunc_string(s, buf, room, len); |
7 | 227 } |
228 } | |
229 return buf; | |
230 } | |
231 | |
232 /* | |
233 * Truncate a string "s" to "buf" with cell width "room". | |
234 * "s" and "buf" may be equal. | |
235 */ | |
236 void | |
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237 trunc_string( |
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238 char_u *s, |
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239 char_u *buf, |
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240 int room, |
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241 int buflen) |
7 | 242 { |
243 int half; | |
244 int len; | |
245 int e; | |
246 int i; | |
247 int n; | |
248 | |
249 room -= 3; | |
250 half = room / 2; | |
251 len = 0; | |
252 | |
253 /* First part: Start of the string. */ | |
3277 | 254 for (e = 0; len < half && e < buflen; ++e) |
7 | 255 { |
256 if (s[e] == NUL) | |
257 { | |
258 /* text fits without truncating! */ | |
259 buf[e] = NUL; | |
260 return; | |
261 } | |
262 n = ptr2cells(s + e); | |
263 if (len + n >= half) | |
264 break; | |
265 len += n; | |
266 buf[e] = s[e]; | |
267 #ifdef FEAT_MBYTE | |
268 if (has_mbyte) | |
474 | 269 for (n = (*mb_ptr2len)(s + e); --n > 0; ) |
7 | 270 { |
3277 | 271 if (++e == buflen) |
272 break; | |
7 | 273 buf[e] = s[e]; |
274 } | |
275 #endif | |
276 } | |
277 | |
278 /* Last part: End of the string. */ | |
279 i = e; | |
280 #ifdef FEAT_MBYTE | |
281 if (enc_dbcs != 0) | |
282 { | |
283 /* For DBCS going backwards in a string is slow, but | |
284 * computing the cell width isn't too slow: go forward | |
285 * until the rest fits. */ | |
286 n = vim_strsize(s + i); | |
287 while (len + n > room) | |
288 { | |
289 n -= ptr2cells(s + i); | |
474 | 290 i += (*mb_ptr2len)(s + i); |
7 | 291 } |
292 } | |
293 else if (enc_utf8) | |
294 { | |
295 /* For UTF-8 we can go backwards easily. */ | |
714 | 296 half = i = (int)STRLEN(s); |
7 | 297 for (;;) |
298 { | |
714 | 299 do |
300 half = half - (*mb_head_off)(s, s + half - 1) - 1; | |
301 while (utf_iscomposing(utf_ptr2char(s + half)) && half > 0); | |
7 | 302 n = ptr2cells(s + half); |
303 if (len + n > room) | |
304 break; | |
305 len += n; | |
306 i = half; | |
307 } | |
308 } | |
309 else | |
310 #endif | |
311 { | |
312 for (i = (int)STRLEN(s); len + (n = ptr2cells(s + i - 1)) <= room; --i) | |
313 len += n; | |
314 } | |
315 | |
316 /* Set the middle and copy the last part. */ | |
3277 | 317 if (e + 3 < buflen) |
318 { | |
319 mch_memmove(buf + e, "...", (size_t)3); | |
3290 | 320 len = (int)STRLEN(s + i) + 1; |
3277 | 321 if (len >= buflen - e - 3) |
322 len = buflen - e - 3 - 1; | |
323 mch_memmove(buf + e + 3, s + i, len); | |
324 buf[e + 3 + len - 1] = NUL; | |
325 } | |
326 else | |
327 { | |
3284 | 328 buf[e - 1] = NUL; /* make sure it is truncated */ |
3277 | 329 } |
7 | 330 } |
331 | |
332 /* | |
333 * Automatic prototype generation does not understand this function. | |
334 * Note: Caller of smgs() and smsg_attr() must check the resulting string is | |
335 * shorter than IOSIZE!!! | |
336 */ | |
337 #ifndef PROTO | |
338 | |
272 | 339 int vim_snprintf(char *str, size_t str_m, char *fmt, ...); |
340 | |
7 | 341 int |
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342 # ifdef __BORLANDC__ |
7 | 343 _RTLENTRYF |
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344 # endif |
7 | 345 smsg(char_u *s, ...) |
346 { | |
347 va_list arglist; | |
348 | |
349 va_start(arglist, s); | |
449 | 350 vim_vsnprintf((char *)IObuff, IOSIZE, (char *)s, arglist, NULL); |
7 | 351 va_end(arglist); |
352 return msg(IObuff); | |
353 } | |
354 | |
355 int | |
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356 # ifdef __BORLANDC__ |
7 | 357 _RTLENTRYF |
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358 # endif |
7 | 359 smsg_attr(int attr, char_u *s, ...) |
360 { | |
361 va_list arglist; | |
362 | |
363 va_start(arglist, s); | |
449 | 364 vim_vsnprintf((char *)IObuff, IOSIZE, (char *)s, arglist, NULL); |
7 | 365 va_end(arglist); |
366 return msg_attr(IObuff, attr); | |
367 } | |
368 | |
369 #endif | |
370 | |
371 /* | |
372 * Remember the last sourcing name/lnum used in an error message, so that it | |
373 * isn't printed each time when it didn't change. | |
374 */ | |
375 static int last_sourcing_lnum = 0; | |
376 static char_u *last_sourcing_name = NULL; | |
377 | |
378 /* | |
379 * Reset the last used sourcing name/lnum. Makes sure it is displayed again | |
380 * for the next error message; | |
381 */ | |
360 | 382 void |
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383 reset_last_sourcing(void) |
7 | 384 { |
385 vim_free(last_sourcing_name); | |
386 last_sourcing_name = NULL; | |
387 last_sourcing_lnum = 0; | |
388 } | |
389 | |
390 /* | |
16 | 391 * Return TRUE if "sourcing_name" differs from "last_sourcing_name". |
392 */ | |
393 static int | |
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394 other_sourcing_name(void) |
16 | 395 { |
396 if (sourcing_name != NULL) | |
397 { | |
398 if (last_sourcing_name != NULL) | |
399 return STRCMP(sourcing_name, last_sourcing_name) != 0; | |
400 return TRUE; | |
401 } | |
402 return FALSE; | |
403 } | |
404 | |
405 /* | |
7 | 406 * Get the message about the source, as used for an error message. |
407 * Returns an allocated string with room for one more character. | |
408 * Returns NULL when no message is to be given. | |
409 */ | |
410 static char_u * | |
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411 get_emsg_source(void) |
7 | 412 { |
413 char_u *Buf, *p; | |
414 | |
16 | 415 if (sourcing_name != NULL && other_sourcing_name()) |
7 | 416 { |
417 p = (char_u *)_("Error detected while processing %s:"); | |
418 Buf = alloc((unsigned)(STRLEN(sourcing_name) + STRLEN(p))); | |
419 if (Buf != NULL) | |
420 sprintf((char *)Buf, (char *)p, sourcing_name); | |
421 return Buf; | |
422 } | |
423 return NULL; | |
424 } | |
425 | |
426 /* | |
427 * Get the message about the source lnum, as used for an error message. | |
428 * Returns an allocated string with room for one more character. | |
429 * Returns NULL when no message is to be given. | |
430 */ | |
431 static char_u * | |
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432 get_emsg_lnum(void) |
7 | 433 { |
434 char_u *Buf, *p; | |
435 | |
436 /* lnum is 0 when executing a command from the command line | |
437 * argument, we don't want a line number then */ | |
438 if (sourcing_name != NULL | |
16 | 439 && (other_sourcing_name() || sourcing_lnum != last_sourcing_lnum) |
7 | 440 && sourcing_lnum != 0) |
441 { | |
442 p = (char_u *)_("line %4ld:"); | |
443 Buf = alloc((unsigned)(STRLEN(p) + 20)); | |
444 if (Buf != NULL) | |
445 sprintf((char *)Buf, (char *)p, (long)sourcing_lnum); | |
446 return Buf; | |
447 } | |
448 return NULL; | |
449 } | |
450 | |
451 /* | |
16 | 452 * Display name and line number for the source of an error. |
453 * Remember the file name and line number, so that for the next error the info | |
454 * is only displayed if it changed. | |
455 */ | |
456 void | |
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457 msg_source(int attr) |
16 | 458 { |
459 char_u *p; | |
460 | |
461 ++no_wait_return; | |
462 p = get_emsg_source(); | |
463 if (p != NULL) | |
464 { | |
465 msg_attr(p, attr); | |
466 vim_free(p); | |
467 } | |
468 p = get_emsg_lnum(); | |
469 if (p != NULL) | |
470 { | |
471 msg_attr(p, hl_attr(HLF_N)); | |
472 vim_free(p); | |
473 last_sourcing_lnum = sourcing_lnum; /* only once for each line */ | |
474 } | |
475 | |
476 /* remember the last sourcing name printed, also when it's empty */ | |
36 | 477 if (sourcing_name == NULL || other_sourcing_name()) |
16 | 478 { |
479 vim_free(last_sourcing_name); | |
480 if (sourcing_name == NULL) | |
481 last_sourcing_name = NULL; | |
482 else | |
483 last_sourcing_name = vim_strsave(sourcing_name); | |
484 } | |
485 --no_wait_return; | |
486 } | |
487 | |
488 /* | |
840 | 489 * Return TRUE if not giving error messages right now: |
490 * If "emsg_off" is set: no error messages at the moment. | |
491 * If "msg" is in 'debug': do error message but without side effects. | |
492 * If "emsg_skip" is set: never do error messages. | |
493 */ | |
494 int | |
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495 emsg_not_now(void) |
840 | 496 { |
497 if ((emsg_off > 0 && vim_strchr(p_debug, 'm') == NULL | |
498 && vim_strchr(p_debug, 't') == NULL) | |
499 #ifdef FEAT_EVAL | |
500 || emsg_skip > 0 | |
501 #endif | |
502 ) | |
503 return TRUE; | |
504 return FALSE; | |
505 } | |
506 | |
507 /* | |
7 | 508 * emsg() - display an error message |
509 * | |
510 * Rings the bell, if appropriate, and calls message() to do the real work | |
511 * When terminal not initialized (yet) mch_errmsg(..) is used. | |
512 * | |
513 * return TRUE if wait_return not called | |
514 */ | |
515 int | |
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516 emsg(char_u *s) |
7 | 517 { |
518 int attr; | |
519 char_u *p; | |
520 #ifdef FEAT_EVAL | |
521 int ignore = FALSE; | |
522 int severe; | |
523 #endif | |
524 | |
2679 | 525 /* Skip this if not giving error messages at the moment. */ |
526 if (emsg_not_now()) | |
527 return TRUE; | |
528 | |
7 | 529 called_emsg = TRUE; |
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530 if (emsg_silent == 0) |
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531 ex_exitval = 1; |
7 | 532 |
533 /* | |
105 | 534 * If "emsg_severe" is TRUE: When an error exception is to be thrown, |
535 * prefer this message over previous messages for the same command. | |
7 | 536 */ |
537 #ifdef FEAT_EVAL | |
538 severe = emsg_severe; | |
539 emsg_severe = FALSE; | |
540 #endif | |
541 | |
839 | 542 if (!emsg_off || vim_strchr(p_debug, 't') != NULL) |
7 | 543 { |
544 #ifdef FEAT_EVAL | |
545 /* | |
546 * Cause a throw of an error exception if appropriate. Don't display | |
547 * the error message in this case. (If no matching catch clause will | |
548 * be found, the message will be displayed later on.) "ignore" is set | |
549 * when the message should be ignored completely (used for the | |
550 * interrupt message). | |
551 */ | |
552 if (cause_errthrow(s, severe, &ignore) == TRUE) | |
553 { | |
554 if (!ignore) | |
555 did_emsg = TRUE; | |
556 return TRUE; | |
557 } | |
558 | |
559 /* set "v:errmsg", also when using ":silent! cmd" */ | |
560 set_vim_var_string(VV_ERRMSG, s, -1); | |
561 #endif | |
562 | |
563 /* | |
1619 | 564 * When using ":silent! cmd" ignore error messages. |
7 | 565 * But do write it to the redirection file. |
566 */ | |
567 if (emsg_silent != 0) | |
568 { | |
569 msg_start(); | |
16 | 570 p = get_emsg_source(); |
7 | 571 if (p != NULL) |
572 { | |
573 STRCAT(p, "\n"); | |
574 redir_write(p, -1); | |
575 vim_free(p); | |
576 } | |
16 | 577 p = get_emsg_lnum(); |
7 | 578 if (p != NULL) |
579 { | |
580 STRCAT(p, "\n"); | |
581 redir_write(p, -1); | |
582 vim_free(p); | |
583 } | |
584 redir_write(s, -1); | |
585 return TRUE; | |
586 } | |
587 | |
588 /* Reset msg_silent, an error causes messages to be switched back on. */ | |
589 msg_silent = 0; | |
590 cmd_silent = FALSE; | |
591 | |
592 if (global_busy) /* break :global command */ | |
593 ++global_busy; | |
594 | |
595 if (p_eb) | |
596 beep_flush(); /* also includes flush_buffers() */ | |
597 else | |
598 flush_buffers(FALSE); /* flush internal buffers */ | |
599 did_emsg = TRUE; /* flag for DoOneCmd() */ | |
600 } | |
601 | |
602 emsg_on_display = TRUE; /* remember there is an error message */ | |
603 ++msg_scroll; /* don't overwrite a previous message */ | |
604 attr = hl_attr(HLF_E); /* set highlight mode for error messages */ | |
539 | 605 if (msg_scrolled != 0) |
7 | 606 need_wait_return = TRUE; /* needed in case emsg() is called after |
607 * wait_return has reset need_wait_return | |
608 * and a redraw is expected because | |
609 * msg_scrolled is non-zero */ | |
610 | |
611 /* | |
612 * Display name and line number for the source of the error. | |
613 */ | |
16 | 614 msg_source(attr); |
7 | 615 |
616 /* | |
617 * Display the error message itself. | |
618 */ | |
16 | 619 msg_nowait = FALSE; /* wait for this msg */ |
7 | 620 return msg_attr(s, attr); |
621 } | |
622 | |
623 /* | |
624 * Print an error message with one "%s" and one string argument. | |
625 */ | |
626 int | |
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627 emsg2(char_u *s, char_u *a1) |
7 | 628 { |
629 return emsg3(s, a1, NULL); | |
630 } | |
631 | |
330 | 632 /* emsg3() and emsgn() are in misc2.c to avoid warnings for the prototypes. */ |
7 | 633 |
167 | 634 void |
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635 emsg_invreg(int name) |
167 | 636 { |
637 EMSG2(_("E354: Invalid register name: '%s'"), transchar(name)); | |
638 } | |
639 | |
7 | 640 /* |
641 * Like msg(), but truncate to a single line if p_shm contains 't', or when | |
642 * "force" is TRUE. This truncates in another way as for normal messages. | |
643 * Careful: The string may be changed by msg_may_trunc()! | |
644 * Returns a pointer to the printed message, if wait_return() not called. | |
645 */ | |
646 char_u * | |
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647 msg_trunc_attr(char_u *s, int force, int attr) |
7 | 648 { |
649 int n; | |
650 | |
651 /* Add message to history before truncating */ | |
652 add_msg_hist(s, -1, attr); | |
653 | |
654 s = msg_may_trunc(force, s); | |
655 | |
656 msg_hist_off = TRUE; | |
657 n = msg_attr(s, attr); | |
658 msg_hist_off = FALSE; | |
659 | |
660 if (n) | |
661 return s; | |
662 return NULL; | |
663 } | |
664 | |
665 /* | |
666 * Check if message "s" should be truncated at the start (for filenames). | |
667 * Return a pointer to where the truncated message starts. | |
668 * Note: May change the message by replacing a character with '<'. | |
669 */ | |
670 char_u * | |
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671 msg_may_trunc(int force, char_u *s) |
7 | 672 { |
673 int n; | |
674 int room; | |
675 | |
676 room = (int)(Rows - cmdline_row - 1) * Columns + sc_col - 1; | |
677 if ((force || (shortmess(SHM_TRUNC) && !exmode_active)) | |
678 && (n = (int)STRLEN(s) - room) > 0) | |
679 { | |
680 #ifdef FEAT_MBYTE | |
681 if (has_mbyte) | |
682 { | |
683 int size = vim_strsize(s); | |
684 | |
615 | 685 /* There may be room anyway when there are multibyte chars. */ |
686 if (size <= room) | |
687 return s; | |
688 | |
7 | 689 for (n = 0; size >= room; ) |
690 { | |
691 size -= (*mb_ptr2cells)(s + n); | |
474 | 692 n += (*mb_ptr2len)(s + n); |
7 | 693 } |
694 --n; | |
695 } | |
696 #endif | |
697 s += n; | |
698 *s = '<'; | |
699 } | |
700 return s; | |
701 } | |
702 | |
703 static void | |
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704 add_msg_hist( |
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705 char_u *s, |
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706 int len, /* -1 for undetermined length */ |
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707 int attr) |
7 | 708 { |
709 struct msg_hist *p; | |
710 | |
711 if (msg_hist_off || msg_silent != 0) | |
712 return; | |
713 | |
714 /* Don't let the message history get too big */ | |
625 | 715 while (msg_hist_len > MAX_MSG_HIST_LEN) |
355 | 716 (void)delete_first_msg(); |
717 | |
7 | 718 /* allocate an entry and add the message at the end of the history */ |
719 p = (struct msg_hist *)alloc((int)sizeof(struct msg_hist)); | |
720 if (p != NULL) | |
721 { | |
722 if (len < 0) | |
723 len = (int)STRLEN(s); | |
724 /* remove leading and trailing newlines */ | |
725 while (len > 0 && *s == '\n') | |
726 { | |
727 ++s; | |
728 --len; | |
729 } | |
730 while (len > 0 && s[len - 1] == '\n') | |
731 --len; | |
732 p->msg = vim_strnsave(s, len); | |
733 p->next = NULL; | |
734 p->attr = attr; | |
735 if (last_msg_hist != NULL) | |
736 last_msg_hist->next = p; | |
737 last_msg_hist = p; | |
738 if (first_msg_hist == NULL) | |
739 first_msg_hist = last_msg_hist; | |
740 ++msg_hist_len; | |
741 } | |
742 } | |
743 | |
744 /* | |
355 | 745 * Delete the first (oldest) message from the history. |
746 * Returns FAIL if there are no messages. | |
747 */ | |
748 int | |
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749 delete_first_msg(void) |
355 | 750 { |
751 struct msg_hist *p; | |
752 | |
753 if (msg_hist_len <= 0) | |
754 return FAIL; | |
755 p = first_msg_hist; | |
756 first_msg_hist = p->next; | |
1619 | 757 if (first_msg_hist == NULL) |
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758 last_msg_hist = NULL; /* history is empty */ |
355 | 759 vim_free(p->msg); |
760 vim_free(p); | |
761 --msg_hist_len; | |
762 return OK; | |
763 } | |
764 | |
765 /* | |
7 | 766 * ":messages" command. |
767 */ | |
768 void | |
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769 ex_messages(exarg_T *eap) |
7 | 770 { |
771 struct msg_hist *p; | |
772 char_u *s; | |
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773 int c = 0; |
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774 |
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775 if (STRCMP(eap->arg, "clear") == 0) |
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776 { |
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777 int keep = eap->addr_count == 0 ? 0 : eap->line2; |
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778 |
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779 while (msg_hist_len > keep) |
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780 (void)delete_first_msg(); |
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781 return; |
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782 } |
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783 |
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784 if (*eap->arg != NUL) |
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785 { |
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786 EMSG(_(e_invarg)); |
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787 return; |
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788 } |
7 | 789 |
790 msg_hist_off = TRUE; | |
791 | |
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792 p = first_msg_hist; |
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793 if (eap->addr_count != 0) |
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794 { |
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795 /* Count total messages */ |
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796 for (; p != NULL && !got_int; p = p->next) |
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797 c++; |
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798 |
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799 c -= eap->line2; |
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800 |
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801 /* Skip without number of messages specified */ |
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802 for (p = first_msg_hist; p != NULL && !got_int && c > 0; |
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803 p = p->next, c--); |
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804 } |
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805 |
8905
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806 if (p == first_msg_hist) |
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807 { |
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808 s = mch_getenv((char_u *)"LANG"); |
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809 if (s != NULL && *s != NUL) |
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810 msg_attr((char_u *) |
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811 _("Messages maintainer: Bram Moolenaar <Bram@vim.org>"), |
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812 hl_attr(HLF_T)); |
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813 } |
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814 |
8897
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815 /* Display what was not skipped. */ |
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816 for (; p != NULL && !got_int; p = p->next) |
7 | 817 if (p->msg != NULL) |
818 msg_attr(p->msg, p->attr); | |
819 | |
820 msg_hist_off = FALSE; | |
821 } | |
822 | |
28 | 823 #if defined(FEAT_CON_DIALOG) || defined(FIND_REPLACE_DIALOG) || defined(PROTO) |
7 | 824 /* |
825 * Call this after prompting the user. This will avoid a hit-return message | |
826 * and a delay. | |
827 */ | |
28 | 828 void |
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829 msg_end_prompt(void) |
7 | 830 { |
831 need_wait_return = FALSE; | |
832 emsg_on_display = FALSE; | |
833 cmdline_row = msg_row; | |
834 msg_col = 0; | |
835 msg_clr_eos(); | |
3240 | 836 lines_left = -1; |
7 | 837 } |
838 #endif | |
839 | |
840 /* | |
841 * wait for the user to hit a key (normally a return) | |
842 * if 'redraw' is TRUE, clear and redraw the screen | |
843 * if 'redraw' is FALSE, just redraw the screen | |
844 * if 'redraw' is -1, don't redraw at all | |
845 */ | |
846 void | |
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847 wait_return(int redraw) |
7 | 848 { |
849 int c; | |
850 int oldState; | |
851 int tmpState; | |
852 int had_got_int; | |
5430 | 853 int save_Recording; |
854 FILE *save_scriptout; | |
7 | 855 |
856 if (redraw == TRUE) | |
857 must_redraw = CLEAR; | |
858 | |
859 /* If using ":silent cmd", don't wait for a return. Also don't set | |
860 * need_wait_return to do it later. */ | |
861 if (msg_silent != 0) | |
862 return; | |
863 | |
2723 | 864 /* |
865 * When inside vgetc(), we can't wait for a typed character at all. | |
866 * With the global command (and some others) we only need one return at | |
867 * the end. Adjust cmdline_row to avoid the next message overwriting the | |
868 * last one. | |
869 */ | |
822 | 870 if (vgetc_busy > 0) |
7 | 871 return; |
2723 | 872 need_wait_return = TRUE; |
7 | 873 if (no_wait_return) |
874 { | |
875 if (!exmode_active) | |
876 cmdline_row = msg_row; | |
877 return; | |
878 } | |
879 | |
880 redir_off = TRUE; /* don't redirect this message */ | |
881 oldState = State; | |
882 if (quit_more) | |
883 { | |
884 c = CAR; /* just pretend CR was hit */ | |
885 quit_more = FALSE; | |
886 got_int = FALSE; | |
887 } | |
888 else if (exmode_active) | |
889 { | |
890 MSG_PUTS(" "); /* make sure the cursor is on the right line */ | |
891 c = CAR; /* no need for a return in ex mode */ | |
892 got_int = FALSE; | |
893 } | |
894 else | |
895 { | |
896 /* Make sure the hit-return prompt is on screen when 'guioptions' was | |
897 * just changed. */ | |
898 screenalloc(FALSE); | |
899 | |
900 State = HITRETURN; | |
901 #ifdef FEAT_MOUSE | |
902 setmouse(); | |
903 #endif | |
904 #ifdef USE_ON_FLY_SCROLL | |
905 dont_scroll = TRUE; /* disallow scrolling here */ | |
906 #endif | |
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907 cmdline_row = msg_row; |
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908 |
4325 | 909 /* Avoid the sequence that the user types ":" at the hit-return prompt |
910 * to start an Ex command, but the file-changed dialog gets in the | |
911 * way. */ | |
912 if (need_check_timestamps) | |
913 check_timestamps(FALSE); | |
914 | |
7 | 915 hit_return_msg(); |
916 | |
917 do | |
918 { | |
919 /* Remember "got_int", if it is set vgetc() probably returns a | |
920 * CTRL-C, but we need to loop then. */ | |
921 had_got_int = got_int; | |
280 | 922 |
923 /* Don't do mappings here, we put the character back in the | |
924 * typeahead buffer. */ | |
925 ++no_mapping; | |
926 ++allow_keys; | |
5430 | 927 |
928 /* Temporarily disable Recording. If Recording is active, the | |
929 * character will be recorded later, since it will be added to the | |
930 * typebuf after the loop */ | |
931 save_Recording = Recording; | |
932 save_scriptout = scriptout; | |
933 Recording = FALSE; | |
934 scriptout = NULL; | |
7 | 935 c = safe_vgetc(); |
216 | 936 if (had_got_int && !global_busy) |
7 | 937 got_int = FALSE; |
280 | 938 --no_mapping; |
939 --allow_keys; | |
5430 | 940 Recording = save_Recording; |
941 scriptout = save_scriptout; | |
280 | 942 |
7 | 943 #ifdef FEAT_CLIPBOARD |
944 /* Strange way to allow copying (yanking) a modeless selection at | |
945 * the hit-enter prompt. Use CTRL-Y, because the same is used in | |
946 * Cmdline-mode and it's harmless when there is no selection. */ | |
947 if (c == Ctrl_Y && clip_star.state == SELECT_DONE) | |
948 { | |
949 clip_copy_modeless_selection(TRUE); | |
950 c = K_IGNORE; | |
951 } | |
952 #endif | |
1381 | 953 |
698 | 954 /* |
955 * Allow scrolling back in the messages. | |
956 * Also accept scroll-down commands when messages fill the screen, | |
957 * to avoid that typing one 'j' too many makes the messages | |
958 * disappear. | |
959 */ | |
960 if (p_more && !p_cp) | |
446 | 961 { |
4234 | 962 if (c == 'b' || c == 'k' || c == 'u' || c == 'g' |
963 || c == K_UP || c == K_PAGEUP) | |
446 | 964 { |
4234 | 965 if (msg_scrolled > Rows) |
966 /* scroll back to show older messages */ | |
967 do_more_prompt(c); | |
968 else | |
969 { | |
970 msg_didout = FALSE; | |
971 c = K_IGNORE; | |
972 msg_col = | |
973 #ifdef FEAT_RIGHTLEFT | |
974 cmdmsg_rl ? Columns - 1 : | |
975 #endif | |
976 0; | |
977 } | |
698 | 978 if (quit_more) |
979 { | |
980 c = CAR; /* just pretend CR was hit */ | |
981 quit_more = FALSE; | |
982 got_int = FALSE; | |
983 } | |
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984 else if (c != K_IGNORE) |
698 | 985 { |
986 c = K_IGNORE; | |
987 hit_return_msg(); | |
988 } | |
446 | 989 } |
698 | 990 else if (msg_scrolled > Rows - 2 |
4234 | 991 && (c == 'j' || c == 'd' || c == 'f' |
992 || c == K_DOWN || c == K_PAGEDOWN)) | |
446 | 993 c = K_IGNORE; |
994 } | |
7 | 995 } while ((had_got_int && c == Ctrl_C) |
996 || c == K_IGNORE | |
997 #ifdef FEAT_GUI | |
998 || c == K_VER_SCROLLBAR || c == K_HOR_SCROLLBAR | |
999 #endif | |
1000 #ifdef FEAT_MOUSE | |
1001 || c == K_LEFTDRAG || c == K_LEFTRELEASE | |
1002 || c == K_MIDDLEDRAG || c == K_MIDDLERELEASE | |
1003 || c == K_RIGHTDRAG || c == K_RIGHTRELEASE | |
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1004 || c == K_MOUSELEFT || c == K_MOUSERIGHT |
7 | 1005 || c == K_MOUSEDOWN || c == K_MOUSEUP |
1006 || (!mouse_has(MOUSE_RETURN) | |
1007 && mouse_row < msg_row | |
1008 && (c == K_LEFTMOUSE | |
1009 || c == K_MIDDLEMOUSE | |
1010 || c == K_RIGHTMOUSE | |
1011 || c == K_X1MOUSE | |
1012 || c == K_X2MOUSE)) | |
1013 #endif | |
1014 ); | |
1015 ui_breakcheck(); | |
1016 #ifdef FEAT_MOUSE | |
1017 /* | |
1018 * Avoid that the mouse-up event causes visual mode to start. | |
1019 */ | |
1020 if (c == K_LEFTMOUSE || c == K_MIDDLEMOUSE || c == K_RIGHTMOUSE | |
1021 || c == K_X1MOUSE || c == K_X2MOUSE) | |
1022 (void)jump_to_mouse(MOUSE_SETPOS, NULL, 0); | |
1023 else | |
1024 #endif | |
1025 if (vim_strchr((char_u *)"\r\n ", c) == NULL && c != Ctrl_C) | |
1026 { | |
280 | 1027 /* Put the character back in the typeahead buffer. Don't use the |
1028 * stuff buffer, because lmaps wouldn't work. */ | |
852 | 1029 ins_char_typebuf(c); |
7 | 1030 do_redraw = TRUE; /* need a redraw even though there is |
280 | 1031 typeahead */ |
7 | 1032 } |
1033 } | |
1034 redir_off = FALSE; | |
1035 | |
1036 /* | |
1037 * If the user hits ':', '?' or '/' we get a command line from the next | |
1038 * line. | |
1039 */ | |
1040 if (c == ':' || c == '?' || c == '/') | |
1041 { | |
1042 if (!exmode_active) | |
1043 cmdline_row = msg_row; | |
1044 skip_redraw = TRUE; /* skip redraw once */ | |
1045 do_redraw = FALSE; | |
1046 } | |
1047 | |
1048 /* | |
1049 * If the window size changed set_shellsize() will redraw the screen. | |
1050 * Otherwise the screen is only redrawn if 'redraw' is set and no ':' | |
1051 * typed. | |
1052 */ | |
1053 tmpState = State; | |
1054 State = oldState; /* restore State before set_shellsize */ | |
1055 #ifdef FEAT_MOUSE | |
1056 setmouse(); | |
1057 #endif | |
1058 msg_check(); | |
1059 | |
1060 #if defined(UNIX) || defined(VMS) | |
1061 /* | |
1062 * When switching screens, we need to output an extra newline on exit. | |
1063 */ | |
1064 if (swapping_screen() && !termcap_active) | |
1065 newline_on_exit = TRUE; | |
1066 #endif | |
1067 | |
1068 need_wait_return = FALSE; | |
1069 did_wait_return = TRUE; | |
1070 emsg_on_display = FALSE; /* can delete error message now */ | |
1071 lines_left = -1; /* reset lines_left at next msg_start() */ | |
1072 reset_last_sourcing(); | |
1073 if (keep_msg != NULL && vim_strsize(keep_msg) >= | |
1074 (Rows - cmdline_row - 1) * Columns + sc_col) | |
1075 { | |
1076 vim_free(keep_msg); | |
1077 keep_msg = NULL; /* don't redisplay message, it's too long */ | |
1078 } | |
1079 | |
1080 if (tmpState == SETWSIZE) /* got resize event while in vgetc() */ | |
1081 { | |
1082 starttermcap(); /* start termcap before redrawing */ | |
1083 shell_resized(); | |
1084 } | |
1085 else if (!skip_redraw | |
1086 && (redraw == TRUE || (msg_scrolled != 0 && redraw != -1))) | |
1087 { | |
1088 starttermcap(); /* start termcap before redrawing */ | |
1089 redraw_later(VALID); | |
1090 } | |
1091 } | |
1092 | |
1093 /* | |
1094 * Write the hit-return prompt. | |
1095 */ | |
1096 static void | |
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1097 hit_return_msg(void) |
7 | 1098 { |
446 | 1099 int save_p_more = p_more; |
1100 | |
1101 p_more = FALSE; /* don't want see this message when scrolling back */ | |
1102 if (msg_didout) /* start on a new line */ | |
7 | 1103 msg_putchar('\n'); |
1104 if (got_int) | |
1105 MSG_PUTS(_("Interrupt: ")); | |
1106 | |
446 | 1107 MSG_PUTS_ATTR(_("Press ENTER or type command to continue"), hl_attr(HLF_R)); |
7 | 1108 if (!msg_use_printf()) |
1109 msg_clr_eos(); | |
446 | 1110 p_more = save_p_more; |
7 | 1111 } |
1112 | |
1113 /* | |
1114 * Set "keep_msg" to "s". Free the old value and check for NULL pointer. | |
1115 */ | |
1116 void | |
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1117 set_keep_msg(char_u *s, int attr) |
7 | 1118 { |
1119 vim_free(keep_msg); | |
1120 if (s != NULL && msg_silent == 0) | |
1121 keep_msg = vim_strsave(s); | |
1122 else | |
1123 keep_msg = NULL; | |
127 | 1124 keep_msg_more = FALSE; |
678 | 1125 keep_msg_attr = attr; |
7 | 1126 } |
1127 | |
678 | 1128 #if defined(FEAT_TERMRESPONSE) || defined(PROTO) |
1129 /* | |
1130 * If there currently is a message being displayed, set "keep_msg" to it, so | |
1131 * that it will be displayed again after redraw. | |
1132 */ | |
1133 void | |
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1134 set_keep_msg_from_hist(void) |
678 | 1135 { |
1136 if (keep_msg == NULL && last_msg_hist != NULL && msg_scrolled == 0 | |
1137 && (State & NORMAL)) | |
1138 set_keep_msg(last_msg_hist->msg, last_msg_hist->attr); | |
1139 } | |
1140 #endif | |
1141 | |
7 | 1142 /* |
1143 * Prepare for outputting characters in the command line. | |
1144 */ | |
1145 void | |
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1146 msg_start(void) |
7 | 1147 { |
1148 int did_return = FALSE; | |
1149 | |
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1150 if (!msg_silent) |
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1151 { |
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1152 vim_free(keep_msg); |
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1153 keep_msg = NULL; /* don't display old message now */ |
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1154 } |
1619 | 1155 |
1156 #ifdef FEAT_EVAL | |
1157 if (need_clr_eos) | |
1158 { | |
1159 /* Halfway an ":echo" command and getting an (error) message: clear | |
1160 * any text from the command. */ | |
1161 need_clr_eos = FALSE; | |
1162 msg_clr_eos(); | |
1163 } | |
1164 #endif | |
1165 | |
7 | 1166 if (!msg_scroll && full_screen) /* overwrite last message */ |
1167 { | |
1168 msg_row = cmdline_row; | |
1169 msg_col = | |
1170 #ifdef FEAT_RIGHTLEFT | |
1171 cmdmsg_rl ? Columns - 1 : | |
1172 #endif | |
1173 0; | |
1174 } | |
1175 else if (msg_didout) /* start message on next line */ | |
1176 { | |
1177 msg_putchar('\n'); | |
1178 did_return = TRUE; | |
1179 if (exmode_active != EXMODE_NORMAL) | |
1180 cmdline_row = msg_row; | |
1181 } | |
1182 if (!msg_didany || lines_left < 0) | |
1183 msg_starthere(); | |
1184 if (msg_silent == 0) | |
1185 { | |
1186 msg_didout = FALSE; /* no output on current line yet */ | |
1187 cursor_off(); | |
1188 } | |
1189 | |
1190 /* when redirecting, may need to start a new line. */ | |
1191 if (!did_return) | |
1192 redir_write((char_u *)"\n", -1); | |
1193 } | |
1194 | |
1195 /* | |
1196 * Note that the current msg position is where messages start. | |
1197 */ | |
1198 void | |
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1199 msg_starthere(void) |
7 | 1200 { |
1201 lines_left = cmdline_row; | |
1202 msg_didany = FALSE; | |
1203 } | |
1204 | |
1205 void | |
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1206 msg_putchar(int c) |
7 | 1207 { |
1208 msg_putchar_attr(c, 0); | |
1209 } | |
1210 | |
1211 void | |
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1212 msg_putchar_attr(int c, int attr) |
7 | 1213 { |
1214 #ifdef FEAT_MBYTE | |
1215 char_u buf[MB_MAXBYTES + 1]; | |
1216 #else | |
1217 char_u buf[4]; | |
1218 #endif | |
1219 | |
1220 if (IS_SPECIAL(c)) | |
1221 { | |
1222 buf[0] = K_SPECIAL; | |
1223 buf[1] = K_SECOND(c); | |
1224 buf[2] = K_THIRD(c); | |
1225 buf[3] = NUL; | |
1226 } | |
1227 else | |
1228 { | |
1229 #ifdef FEAT_MBYTE | |
1230 buf[(*mb_char2bytes)(c, buf)] = NUL; | |
1231 #else | |
1232 buf[0] = c; | |
1233 buf[1] = NUL; | |
1234 #endif | |
1235 } | |
1236 msg_puts_attr(buf, attr); | |
1237 } | |
1238 | |
1239 void | |
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1240 msg_outnum(long n) |
7 | 1241 { |
1242 char_u buf[20]; | |
1243 | |
1244 sprintf((char *)buf, "%ld", n); | |
1245 msg_puts(buf); | |
1246 } | |
1247 | |
1248 void | |
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1249 msg_home_replace(char_u *fname) |
7 | 1250 { |
1251 msg_home_replace_attr(fname, 0); | |
1252 } | |
1253 | |
1254 #if defined(FEAT_FIND_ID) || defined(PROTO) | |
1255 void | |
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1256 msg_home_replace_hl(char_u *fname) |
7 | 1257 { |
1258 msg_home_replace_attr(fname, hl_attr(HLF_D)); | |
1259 } | |
1260 #endif | |
1261 | |
1262 static void | |
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1263 msg_home_replace_attr(char_u *fname, int attr) |
7 | 1264 { |
1265 char_u *name; | |
1266 | |
1267 name = home_replace_save(NULL, fname); | |
1268 if (name != NULL) | |
1269 msg_outtrans_attr(name, attr); | |
1270 vim_free(name); | |
1271 } | |
1272 | |
1273 /* | |
1274 * Output 'len' characters in 'str' (including NULs) with translation | |
1275 * if 'len' is -1, output upto a NUL character. | |
1276 * Use attributes 'attr'. | |
1277 * Return the number of characters it takes on the screen. | |
1278 */ | |
1279 int | |
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1280 msg_outtrans(char_u *str) |
7 | 1281 { |
1282 return msg_outtrans_attr(str, 0); | |
1283 } | |
1284 | |
1285 int | |
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1286 msg_outtrans_attr(char_u *str, int attr) |
7 | 1287 { |
1288 return msg_outtrans_len_attr(str, (int)STRLEN(str), attr); | |
1289 } | |
1290 | |
1291 int | |
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1292 msg_outtrans_len(char_u *str, int len) |
7 | 1293 { |
1294 return msg_outtrans_len_attr(str, len, 0); | |
1295 } | |
1296 | |
1297 /* | |
1298 * Output one character at "p". Return pointer to the next character. | |
1299 * Handles multi-byte characters. | |
1300 */ | |
1301 char_u * | |
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1302 msg_outtrans_one(char_u *p, int attr) |
7 | 1303 { |
1304 #ifdef FEAT_MBYTE | |
1305 int l; | |
1306 | |
474 | 1307 if (has_mbyte && (l = (*mb_ptr2len)(p)) > 1) |
7 | 1308 { |
1309 msg_outtrans_len_attr(p, l, attr); | |
1310 return p + l; | |
1311 } | |
1312 #endif | |
1313 msg_puts_attr(transchar_byte(*p), attr); | |
1314 return p + 1; | |
1315 } | |
1316 | |
1317 int | |
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1318 msg_outtrans_len_attr(char_u *msgstr, int len, int attr) |
7 | 1319 { |
1320 int retval = 0; | |
1321 char_u *str = msgstr; | |
1322 char_u *plain_start = msgstr; | |
1323 char_u *s; | |
1324 #ifdef FEAT_MBYTE | |
1325 int mb_l; | |
1326 int c; | |
1327 #endif | |
1328 | |
1329 /* if MSG_HIST flag set, add message to history */ | |
1330 if (attr & MSG_HIST) | |
1331 { | |
1332 add_msg_hist(str, len, attr); | |
1333 attr &= ~MSG_HIST; | |
1334 } | |
1335 | |
1336 #ifdef FEAT_MBYTE | |
1337 /* If the string starts with a composing character first draw a space on | |
1338 * which the composing char can be drawn. */ | |
1339 if (enc_utf8 && utf_iscomposing(utf_ptr2char(msgstr))) | |
1340 msg_puts_attr((char_u *)" ", attr); | |
1341 #endif | |
1342 | |
1343 /* | |
1344 * Go over the string. Special characters are translated and printed. | |
1345 * Normal characters are printed several at a time. | |
1346 */ | |
1347 while (--len >= 0) | |
1348 { | |
1349 #ifdef FEAT_MBYTE | |
1350 if (enc_utf8) | |
1351 /* Don't include composing chars after the end. */ | |
474 | 1352 mb_l = utfc_ptr2len_len(str, len + 1); |
7 | 1353 else if (has_mbyte) |
474 | 1354 mb_l = (*mb_ptr2len)(str); |
7 | 1355 else |
1356 mb_l = 1; | |
1357 if (has_mbyte && mb_l > 1) | |
1358 { | |
1359 c = (*mb_ptr2char)(str); | |
1360 if (vim_isprintc(c)) | |
1361 /* printable multi-byte char: count the cells. */ | |
1362 retval += (*mb_ptr2cells)(str); | |
1363 else | |
1364 { | |
1365 /* unprintable multi-byte char: print the printable chars so | |
1366 * far and the translation of the unprintable char. */ | |
1367 if (str > plain_start) | |
1368 msg_puts_attr_len(plain_start, (int)(str - plain_start), | |
1369 attr); | |
1370 plain_start = str + mb_l; | |
1371 msg_puts_attr(transchar(c), attr == 0 ? hl_attr(HLF_8) : attr); | |
1372 retval += char2cells(c); | |
1373 } | |
1374 len -= mb_l - 1; | |
1375 str += mb_l; | |
1376 } | |
1377 else | |
1378 #endif | |
1379 { | |
1380 s = transchar_byte(*str); | |
1381 if (s[1] != NUL) | |
1382 { | |
1383 /* unprintable char: print the printable chars so far and the | |
1384 * translation of the unprintable char. */ | |
1385 if (str > plain_start) | |
1386 msg_puts_attr_len(plain_start, (int)(str - plain_start), | |
1387 attr); | |
1388 plain_start = str + 1; | |
1389 msg_puts_attr(s, attr == 0 ? hl_attr(HLF_8) : attr); | |
1668 | 1390 retval += (int)STRLEN(s); |
7 | 1391 } |
1663 | 1392 else |
1393 ++retval; | |
7 | 1394 ++str; |
1395 } | |
1396 } | |
1397 | |
1398 if (str > plain_start) | |
1399 /* print the printable chars at the end */ | |
1400 msg_puts_attr_len(plain_start, (int)(str - plain_start), attr); | |
1401 | |
1402 return retval; | |
1403 } | |
1404 | |
1405 #if defined(FEAT_QUICKFIX) || defined(PROTO) | |
1406 void | |
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1407 msg_make(char_u *arg) |
7 | 1408 { |
1409 int i; | |
1410 static char_u *str = (char_u *)"eeffoc", *rs = (char_u *)"Plon#dqg#vxjduB"; | |
1411 | |
1412 arg = skipwhite(arg); | |
1413 for (i = 5; *arg && i >= 0; --i) | |
1414 if (*arg++ != str[i]) | |
1415 break; | |
1416 if (i < 0) | |
1417 { | |
1418 msg_putchar('\n'); | |
1419 for (i = 0; rs[i]; ++i) | |
1420 msg_putchar(rs[i] - 3); | |
1421 } | |
1422 } | |
1423 #endif | |
1424 | |
1425 /* | |
1426 * Output the string 'str' upto a NUL character. | |
1427 * Return the number of characters it takes on the screen. | |
1428 * | |
1429 * If K_SPECIAL is encountered, then it is taken in conjunction with the | |
1430 * following character and shown as <F1>, <S-Up> etc. Any other character | |
1431 * which is not printable shown in <> form. | |
1432 * If 'from' is TRUE (lhs of a mapping), a space is shown as <Space>. | |
1433 * If a character is displayed in one of these special ways, is also | |
1434 * highlighted (its highlight name is '8' in the p_hl variable). | |
1435 * Otherwise characters are not highlighted. | |
1436 * This function is used to show mappings, where we want to see how to type | |
1437 * the character/string -- webb | |
1438 */ | |
1439 int | |
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1440 msg_outtrans_special( |
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1441 char_u *strstart, |
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1442 int from) /* TRUE for lhs of a mapping */ |
7 | 1443 { |
1444 char_u *str = strstart; | |
1445 int retval = 0; | |
1446 char_u *string; | |
1447 int attr; | |
1448 int len; | |
1449 | |
1450 attr = hl_attr(HLF_8); | |
1451 while (*str != NUL) | |
1452 { | |
1453 /* Leading and trailing spaces need to be displayed in <> form. */ | |
1454 if ((str == strstart || str[1] == NUL) && *str == ' ') | |
1455 { | |
1456 string = (char_u *)"<Space>"; | |
1457 ++str; | |
1458 } | |
1459 else | |
1460 string = str2special(&str, from); | |
1461 len = vim_strsize(string); | |
1462 /* Highlight special keys */ | |
1463 msg_puts_attr(string, len > 1 | |
1464 #ifdef FEAT_MBYTE | |
474 | 1465 && (*mb_ptr2len)(string) <= 1 |
7 | 1466 #endif |
1467 ? attr : 0); | |
1468 retval += len; | |
1469 } | |
1470 return retval; | |
1471 } | |
1472 | |
2610 | 1473 #if defined(FEAT_EVAL) || defined(PROTO) |
1474 /* | |
1475 * Return the lhs or rhs of a mapping, with the key codes turned into printable | |
1476 * strings, in an allocated string. | |
1477 */ | |
1478 char_u * | |
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1479 str2special_save( |
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1480 char_u *str, |
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1481 int is_lhs) /* TRUE for lhs, FALSE for rhs */ |
2610 | 1482 { |
1483 garray_T ga; | |
1484 char_u *p = str; | |
1485 | |
1486 ga_init2(&ga, 1, 40); | |
1487 while (*p != NUL) | |
1488 ga_concat(&ga, str2special(&p, is_lhs)); | |
1489 ga_append(&ga, NUL); | |
1490 return (char_u *)ga.ga_data; | |
1491 } | |
1492 #endif | |
1493 | |
7 | 1494 /* |
1495 * Return the printable string for the key codes at "*sp". | |
1496 * Used for translating the lhs or rhs of a mapping to printable chars. | |
1497 * Advances "sp" to the next code. | |
1498 */ | |
1499 char_u * | |
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1500 str2special( |
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1501 char_u **sp, |
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1502 int from) /* TRUE for lhs of mapping */ |
7 | 1503 { |
1504 int c; | |
1505 static char_u buf[7]; | |
1506 char_u *str = *sp; | |
1507 int modifiers = 0; | |
1508 int special = FALSE; | |
1509 | |
1510 #ifdef FEAT_MBYTE | |
1511 if (has_mbyte) | |
1512 { | |
1513 char_u *p; | |
1514 | |
1515 /* Try to un-escape a multi-byte character. Return the un-escaped | |
1516 * string if it is a multi-byte character. */ | |
1517 p = mb_unescape(sp); | |
1518 if (p != NULL) | |
1519 return p; | |
1520 } | |
1521 #endif | |
1522 | |
1523 c = *str; | |
1524 if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL) | |
1525 { | |
1526 if (str[1] == KS_MODIFIER) | |
1527 { | |
1528 modifiers = str[2]; | |
1529 str += 3; | |
1530 c = *str; | |
1531 } | |
1532 if (c == K_SPECIAL && str[1] != NUL && str[2] != NUL) | |
1533 { | |
1534 c = TO_SPECIAL(str[1], str[2]); | |
1535 str += 2; | |
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1536 if (c == KS_ZERO) /* display <Nul> as ^@ or <Nul> */ |
7 | 1537 c = NUL; |
1538 } | |
1539 if (IS_SPECIAL(c) || modifiers) /* special key */ | |
1540 special = TRUE; | |
1541 } | |
1542 | |
1543 #ifdef FEAT_MBYTE | |
3024 | 1544 if (has_mbyte && !IS_SPECIAL(c)) |
7 | 1545 { |
3072 | 1546 int len = (*mb_ptr2len)(str); |
3024 | 1547 |
1548 /* For multi-byte characters check for an illegal byte. */ | |
1549 if (has_mbyte && MB_BYTE2LEN(*str) > len) | |
1550 { | |
1551 transchar_nonprint(buf, c); | |
1552 *sp = str + 1; | |
1553 return buf; | |
1554 } | |
3072 | 1555 /* Since 'special' is TRUE the multi-byte character 'c' will be |
1556 * processed by get_special_key_name() */ | |
1557 c = (*mb_ptr2char)(str); | |
1558 *sp = str + len; | |
7 | 1559 } |
3024 | 1560 else |
7 | 1561 #endif |
3024 | 1562 *sp = str + 1; |
7 | 1563 |
1564 /* Make unprintable characters in <> form, also <M-Space> and <Tab>. | |
1565 * Use <Space> only for lhs of a mapping. */ | |
1566 if (special || char2cells(c) > 1 || (from && c == ' ')) | |
1567 return get_special_key_name(c, modifiers); | |
1568 buf[0] = c; | |
1569 buf[1] = NUL; | |
1570 return buf; | |
1571 } | |
1572 | |
1573 /* | |
1574 * Translate a key sequence into special key names. | |
1575 */ | |
1576 void | |
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1577 str2specialbuf(char_u *sp, char_u *buf, int len) |
7 | 1578 { |
1579 char_u *s; | |
1580 | |
1581 *buf = NUL; | |
1582 while (*sp) | |
1583 { | |
1584 s = str2special(&sp, FALSE); | |
1585 if ((int)(STRLEN(s) + STRLEN(buf)) < len) | |
1586 STRCAT(buf, s); | |
1587 } | |
1588 } | |
1589 | |
1590 /* | |
1591 * print line for :print or :list command | |
1592 */ | |
1593 void | |
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1594 msg_prt_line(char_u *s, int list) |
7 | 1595 { |
1596 int c; | |
1597 int col = 0; | |
1598 int n_extra = 0; | |
1599 int c_extra = 0; | |
1600 char_u *p_extra = NULL; /* init to make SASC shut up */ | |
1601 int n; | |
1059 | 1602 int attr = 0; |
7 | 1603 char_u *trail = NULL; |
1604 #ifdef FEAT_MBYTE | |
1605 int l; | |
1606 char_u buf[MB_MAXBYTES + 1]; | |
1607 #endif | |
1608 | |
167 | 1609 if (curwin->w_p_list) |
1610 list = TRUE; | |
1611 | |
7 | 1612 /* find start of trailing whitespace */ |
167 | 1613 if (list && lcs_trail) |
7 | 1614 { |
1615 trail = s + STRLEN(s); | |
1616 while (trail > s && vim_iswhite(trail[-1])) | |
1617 --trail; | |
1618 } | |
1619 | |
1620 /* output a space for an empty line, otherwise the line will be | |
1621 * overwritten */ | |
167 | 1622 if (*s == NUL && !(list && lcs_eol != NUL)) |
7 | 1623 msg_putchar(' '); |
1624 | |
446 | 1625 while (!got_int) |
7 | 1626 { |
1059 | 1627 if (n_extra > 0) |
7 | 1628 { |
1629 --n_extra; | |
1630 if (c_extra) | |
1631 c = c_extra; | |
1632 else | |
1633 c = *p_extra++; | |
1634 } | |
1635 #ifdef FEAT_MBYTE | |
474 | 1636 else if (has_mbyte && (l = (*mb_ptr2len)(s)) > 1) |
7 | 1637 { |
1638 col += (*mb_ptr2cells)(s); | |
6801 | 1639 if (lcs_nbsp != NUL && list |
1640 && (mb_ptr2char(s) == 160 | |
1641 || mb_ptr2char(s) == 0x202f)) | |
2692 | 1642 { |
1643 mb_char2bytes(lcs_nbsp, buf); | |
1644 buf[(*mb_ptr2len)(buf)] = NUL; | |
1645 } | |
1646 else | |
1647 { | |
1648 mch_memmove(buf, s, (size_t)l); | |
1649 buf[l] = NUL; | |
1650 } | |
1059 | 1651 msg_puts(buf); |
7 | 1652 s += l; |
1653 continue; | |
1654 } | |
1655 #endif | |
1656 else | |
1657 { | |
1658 attr = 0; | |
1659 c = *s++; | |
167 | 1660 if (c == TAB && (!list || lcs_tab1)) |
7 | 1661 { |
1662 /* tab amount depends on current column */ | |
1663 n_extra = curbuf->b_p_ts - col % curbuf->b_p_ts - 1; | |
167 | 1664 if (!list) |
7 | 1665 { |
1666 c = ' '; | |
1667 c_extra = ' '; | |
1668 } | |
1669 else | |
1670 { | |
1671 c = lcs_tab1; | |
1672 c_extra = lcs_tab2; | |
1673 attr = hl_attr(HLF_8); | |
1674 } | |
1675 } | |
2692 | 1676 else if (c == 160 && list && lcs_nbsp != NUL) |
1677 { | |
1678 c = lcs_nbsp; | |
1679 attr = hl_attr(HLF_8); | |
1680 } | |
167 | 1681 else if (c == NUL && list && lcs_eol != NUL) |
7 | 1682 { |
1683 p_extra = (char_u *)""; | |
1684 c_extra = NUL; | |
1685 n_extra = 1; | |
1686 c = lcs_eol; | |
1687 attr = hl_attr(HLF_AT); | |
1688 --s; | |
1689 } | |
1690 else if (c != NUL && (n = byte2cells(c)) > 1) | |
1691 { | |
1692 n_extra = n - 1; | |
1693 p_extra = transchar_byte(c); | |
1694 c_extra = NUL; | |
1695 c = *p_extra++; | |
1059 | 1696 /* Use special coloring to be able to distinguish <hex> from |
1697 * the same in plain text. */ | |
1698 attr = hl_attr(HLF_8); | |
7 | 1699 } |
1700 else if (c == ' ' && trail != NULL && s > trail) | |
1701 { | |
1702 c = lcs_trail; | |
1703 attr = hl_attr(HLF_8); | |
1704 } | |
6781 | 1705 else if (c == ' ' && list && lcs_space != NUL) |
1706 { | |
1707 c = lcs_space; | |
1708 attr = hl_attr(HLF_8); | |
1709 } | |
7 | 1710 } |
1711 | |
1712 if (c == NUL) | |
1713 break; | |
1714 | |
1715 msg_putchar_attr(c, attr); | |
1716 col++; | |
1717 } | |
1718 msg_clr_eos(); | |
1719 } | |
1720 | |
1721 #ifdef FEAT_MBYTE | |
1722 /* | |
1723 * Use screen_puts() to output one multi-byte character. | |
1724 * Return the pointer "s" advanced to the next character. | |
1725 */ | |
1726 static char_u * | |
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1727 screen_puts_mbyte(char_u *s, int l, int attr) |
7 | 1728 { |
1729 int cw; | |
1730 | |
1731 msg_didout = TRUE; /* remember that line is not empty */ | |
1732 cw = (*mb_ptr2cells)(s); | |
1733 if (cw > 1 && ( | |
1734 #ifdef FEAT_RIGHTLEFT | |
1735 cmdmsg_rl ? msg_col <= 1 : | |
1736 #endif | |
1737 msg_col == Columns - 1)) | |
1738 { | |
1739 /* Doesn't fit, print a highlighted '>' to fill it up. */ | |
1740 msg_screen_putchar('>', hl_attr(HLF_AT)); | |
1741 return s; | |
1742 } | |
1743 | |
1744 screen_puts_len(s, l, msg_row, msg_col, attr); | |
1745 #ifdef FEAT_RIGHTLEFT | |
1746 if (cmdmsg_rl) | |
1747 { | |
1748 msg_col -= cw; | |
1749 if (msg_col == 0) | |
1750 { | |
1751 msg_col = Columns; | |
1752 ++msg_row; | |
1753 } | |
1754 } | |
1755 else | |
1756 #endif | |
1757 { | |
1758 msg_col += cw; | |
1759 if (msg_col >= Columns) | |
1760 { | |
1761 msg_col = 0; | |
1762 ++msg_row; | |
1763 } | |
1764 } | |
1765 return s + l; | |
1766 } | |
1767 #endif | |
1768 | |
1769 /* | |
1770 * Output a string to the screen at position msg_row, msg_col. | |
1771 * Update msg_row and msg_col for the next message. | |
1772 */ | |
1773 void | |
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1774 msg_puts(char_u *s) |
7 | 1775 { |
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1776 msg_puts_attr(s, 0); |
7 | 1777 } |
1778 | |
1779 void | |
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1780 msg_puts_title( |
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1781 char_u *s) |
7 | 1782 { |
1783 msg_puts_attr(s, hl_attr(HLF_T)); | |
1784 } | |
1785 | |
1786 /* | |
1787 * Show a message in such a way that it always fits in the line. Cut out a | |
1788 * part in the middle and replace it with "..." when necessary. | |
1789 * Does not handle multi-byte characters! | |
1790 */ | |
1791 void | |
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1792 msg_puts_long_attr(char_u *longstr, int attr) |
7 | 1793 { |
714 | 1794 msg_puts_long_len_attr(longstr, (int)STRLEN(longstr), attr); |
7 | 1795 } |
1796 | |
1797 void | |
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1798 msg_puts_long_len_attr(char_u *longstr, int len, int attr) |
7 | 1799 { |
1800 int slen = len; | |
1801 int room; | |
1802 | |
1803 room = Columns - msg_col; | |
1804 if (len > room && room >= 20) | |
1805 { | |
1806 slen = (room - 3) / 2; | |
1807 msg_outtrans_len_attr(longstr, slen, attr); | |
1808 msg_puts_attr((char_u *)"...", hl_attr(HLF_8)); | |
1809 } | |
1810 msg_outtrans_len_attr(longstr + len - slen, slen, attr); | |
1811 } | |
1812 | |
1813 /* | |
1814 * Basic function for writing a message with highlight attributes. | |
1815 */ | |
1816 void | |
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1817 msg_puts_attr(char_u *s, int attr) |
7 | 1818 { |
1819 msg_puts_attr_len(s, -1, attr); | |
1820 } | |
1821 | |
1822 /* | |
1823 * Like msg_puts_attr(), but with a maximum length "maxlen" (in bytes). | |
1824 * When "maxlen" is -1 there is no maximum length. | |
1825 * When "maxlen" is >= 0 the message is not put in the history. | |
1826 */ | |
1827 static void | |
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1828 msg_puts_attr_len(char_u *str, int maxlen, int attr) |
7 | 1829 { |
1830 /* | |
1831 * If redirection is on, also write to the redirection file. | |
1832 */ | |
446 | 1833 redir_write(str, maxlen); |
7 | 1834 |
1835 /* | |
1836 * Don't print anything when using ":silent cmd". | |
1837 */ | |
1838 if (msg_silent != 0) | |
1839 return; | |
1840 | |
1841 /* if MSG_HIST flag set, add message to history */ | |
1842 if ((attr & MSG_HIST) && maxlen < 0) | |
1843 { | |
446 | 1844 add_msg_hist(str, -1, attr); |
7 | 1845 attr &= ~MSG_HIST; |
1846 } | |
1847 | |
1848 /* | |
1849 * When writing something to the screen after it has scrolled, requires a | |
1850 * wait-return prompt later. Needed when scrolling, resetting | |
1851 * need_wait_return after some prompt, and then outputting something | |
1852 * without scrolling | |
1853 */ | |
539 | 1854 if (msg_scrolled != 0 && !msg_scrolled_ign) |
7 | 1855 need_wait_return = TRUE; |
1856 msg_didany = TRUE; /* remember that something was outputted */ | |
1857 | |
1858 /* | |
1859 * If there is no valid screen, use fprintf so we can see error messages. | |
1860 * If termcap is not active, we may be writing in an alternate console | |
1861 * window, cursor positioning may not work correctly (window size may be | |
1862 * different, e.g. for Win32 console) or we just don't know where the | |
1863 * cursor is. | |
1864 */ | |
1865 if (msg_use_printf()) | |
446 | 1866 msg_puts_printf(str, maxlen); |
1867 else | |
1868 msg_puts_display(str, maxlen, attr, FALSE); | |
1869 } | |
1870 | |
1871 /* | |
1872 * The display part of msg_puts_attr_len(). | |
1873 * May be called recursively to display scroll-back text. | |
1874 */ | |
1875 static void | |
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1876 msg_puts_display( |
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1877 char_u *str, |
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1878 int maxlen, |
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1879 int attr, |
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1880 int recurse) |
446 | 1881 { |
1882 char_u *s = str; | |
1883 char_u *t_s = str; /* string from "t_s" to "s" is still todo */ | |
1884 int t_col = 0; /* screen cells todo, 0 when "t_s" not used */ | |
1885 #ifdef FEAT_MBYTE | |
1886 int l; | |
1887 int cw; | |
7 | 1888 #endif |
446 | 1889 char_u *sb_str = str; |
1890 int sb_col = msg_col; | |
1891 int wrap; | |
1381 | 1892 int did_last_char; |
7 | 1893 |
1894 did_wait_return = FALSE; | |
1339 | 1895 while ((maxlen < 0 || (int)(s - str) < maxlen) && *s != NUL) |
7 | 1896 { |
1897 /* | |
446 | 1898 * We are at the end of the screen line when: |
1899 * - When outputting a newline. | |
1900 * - When outputting a character in the last column. | |
7 | 1901 */ |
446 | 1902 if (!recurse && msg_row >= Rows - 1 && (*s == '\n' || ( |
7 | 1903 #ifdef FEAT_RIGHTLEFT |
1904 cmdmsg_rl | |
1905 ? ( | |
1906 msg_col <= 1 | |
1907 || (*s == TAB && msg_col <= 7) | |
1908 # ifdef FEAT_MBYTE | |
1909 || (has_mbyte && (*mb_ptr2cells)(s) > 1 && msg_col <= 2) | |
1910 # endif | |
1911 ) | |
1912 : | |
1913 #endif | |
1914 (msg_col + t_col >= Columns - 1 | |
1915 || (*s == TAB && msg_col + t_col >= ((Columns - 1) & ~7)) | |
1916 # ifdef FEAT_MBYTE | |
1917 || (has_mbyte && (*mb_ptr2cells)(s) > 1 | |
1918 && msg_col + t_col >= Columns - 2) | |
1919 # endif | |
1920 )))) | |
1921 { | |
446 | 1922 /* |
1923 * The screen is scrolled up when at the last row (some terminals | |
1924 * scroll automatically, some don't. To avoid problems we scroll | |
1925 * ourselves). | |
1926 */ | |
7 | 1927 if (t_col > 0) |
1928 /* output postponed text */ | |
446 | 1929 t_puts(&t_col, t_s, s, attr); |
7 | 1930 |
1342 | 1931 /* When no more prompt and no more room, truncate here */ |
7 | 1932 if (msg_no_more && lines_left == 0) |
1933 break; | |
446 | 1934 |
1935 /* Scroll the screen up one line. */ | |
1936 msg_scroll_up(); | |
7 | 1937 |
1938 msg_row = Rows - 2; | |
1939 if (msg_col >= Columns) /* can happen after screen resize */ | |
1940 msg_col = Columns - 1; | |
1941 | |
446 | 1942 /* Display char in last column before showing more-prompt. */ |
1943 if (*s >= ' ' | |
1944 #ifdef FEAT_RIGHTLEFT | |
1945 && !cmdmsg_rl | |
1946 #endif | |
1947 ) | |
1948 { | |
1949 #ifdef FEAT_MBYTE | |
1950 if (has_mbyte) | |
1951 { | |
1952 if (enc_utf8 && maxlen >= 0) | |
1953 /* avoid including composing chars after the end */ | |
474 | 1954 l = utfc_ptr2len_len(s, (int)((str + maxlen) - s)); |
446 | 1955 else |
474 | 1956 l = (*mb_ptr2len)(s); |
446 | 1957 s = screen_puts_mbyte(s, l, attr); |
1958 } | |
1959 else | |
1960 #endif | |
1961 msg_screen_putchar(*s++, attr); | |
1381 | 1962 did_last_char = TRUE; |
446 | 1963 } |
1381 | 1964 else |
1965 did_last_char = FALSE; | |
446 | 1966 |
1967 if (p_more) | |
1968 /* store text for scrolling back */ | |
1969 store_sb_text(&sb_str, s, attr, &sb_col, TRUE); | |
1970 | |
539 | 1971 inc_msg_scrolled(); |
446 | 1972 need_wait_return = TRUE; /* may need wait_return in main() */ |
7 | 1973 if (must_redraw < VALID) |
1974 must_redraw = VALID; | |
1975 redraw_cmdline = TRUE; | |
1976 if (cmdline_row > 0 && !exmode_active) | |
1977 --cmdline_row; | |
1978 | |
1979 /* | |
446 | 1980 * If screen is completely filled and 'more' is set then wait |
1981 * for a character. | |
7 | 1982 */ |
1342 | 1983 if (lines_left > 0) |
1984 --lines_left; | |
957 | 1985 if (p_more && lines_left == 0 && State != HITRETURN |
7 | 1986 && !msg_no_more && !exmode_active) |
1987 { | |
1988 #ifdef FEAT_CON_DIALOG | |
446 | 1989 if (do_more_prompt(NUL)) |
1990 s = confirm_msg_tail; | |
1991 #else | |
1992 (void)do_more_prompt(NUL); | |
7 | 1993 #endif |
1994 if (quit_more) | |
446 | 1995 return; |
7 | 1996 } |
539 | 1997 |
1998 /* When we displayed a char in last column need to check if there | |
1999 * is still more. */ | |
1381 | 2000 if (did_last_char) |
539 | 2001 continue; |
7 | 2002 } |
2003 | |
446 | 2004 wrap = *s == '\n' |
7 | 2005 || msg_col + t_col >= Columns |
2006 #ifdef FEAT_MBYTE | |
2007 || (has_mbyte && (*mb_ptr2cells)(s) > 1 | |
2008 && msg_col + t_col >= Columns - 1) | |
2009 #endif | |
446 | 2010 ; |
2011 if (t_col > 0 && (wrap || *s == '\r' || *s == '\b' | |
2012 || *s == '\t' || *s == BELL)) | |
7 | 2013 /* output any postponed text */ |
446 | 2014 t_puts(&t_col, t_s, s, attr); |
2015 | |
2016 if (wrap && p_more && !recurse) | |
2017 /* store text for scrolling back */ | |
2018 store_sb_text(&sb_str, s, attr, &sb_col, TRUE); | |
7 | 2019 |
2020 if (*s == '\n') /* go to next line */ | |
2021 { | |
2022 msg_didout = FALSE; /* remember that line is empty */ | |
474 | 2023 #ifdef FEAT_RIGHTLEFT |
2024 if (cmdmsg_rl) | |
2025 msg_col = Columns - 1; | |
2026 else | |
2027 #endif | |
2028 msg_col = 0; | |
7 | 2029 if (++msg_row >= Rows) /* safety check */ |
2030 msg_row = Rows - 1; | |
2031 } | |
2032 else if (*s == '\r') /* go to column 0 */ | |
2033 { | |
2034 msg_col = 0; | |
2035 } | |
2036 else if (*s == '\b') /* go to previous char */ | |
2037 { | |
2038 if (msg_col) | |
2039 --msg_col; | |
2040 } | |
446 | 2041 else if (*s == TAB) /* translate Tab into spaces */ |
7 | 2042 { |
2043 do | |
2044 msg_screen_putchar(' ', attr); | |
2045 while (msg_col & 7); | |
2046 } | |
6949 | 2047 else if (*s == BELL) /* beep (from ":sh") */ |
2048 vim_beep(BO_SH); | |
7 | 2049 else |
2050 { | |
2051 #ifdef FEAT_MBYTE | |
2052 if (has_mbyte) | |
2053 { | |
2054 cw = (*mb_ptr2cells)(s); | |
2055 if (enc_utf8 && maxlen >= 0) | |
2056 /* avoid including composing chars after the end */ | |
474 | 2057 l = utfc_ptr2len_len(s, (int)((str + maxlen) - s)); |
7 | 2058 else |
474 | 2059 l = (*mb_ptr2len)(s); |
7 | 2060 } |
2061 else | |
2062 { | |
2063 cw = 1; | |
2064 l = 1; | |
2065 } | |
2066 #endif | |
2067 /* When drawing from right to left or when a double-wide character | |
2068 * doesn't fit, draw a single character here. Otherwise collect | |
2069 * characters and draw them all at once later. */ | |
2070 #if defined(FEAT_RIGHTLEFT) || defined(FEAT_MBYTE) | |
2071 if ( | |
2072 # ifdef FEAT_RIGHTLEFT | |
2073 cmdmsg_rl | |
2074 # ifdef FEAT_MBYTE | |
2075 || | |
2076 # endif | |
2077 # endif | |
2078 # ifdef FEAT_MBYTE | |
2079 (cw > 1 && msg_col + t_col >= Columns - 1) | |
2080 # endif | |
2081 ) | |
2082 { | |
2083 # ifdef FEAT_MBYTE | |
2084 if (l > 1) | |
2085 s = screen_puts_mbyte(s, l, attr) - 1; | |
2086 else | |
2087 # endif | |
2088 msg_screen_putchar(*s, attr); | |
2089 } | |
2090 else | |
2091 #endif | |
2092 { | |
2093 /* postpone this character until later */ | |
2094 if (t_col == 0) | |
2095 t_s = s; | |
2096 #ifdef FEAT_MBYTE | |
2097 t_col += cw; | |
2098 s += l - 1; | |
2099 #else | |
2100 ++t_col; | |
2101 #endif | |
2102 } | |
2103 } | |
2104 ++s; | |
2105 } | |
2106 | |
2107 /* output any postponed text */ | |
2108 if (t_col > 0) | |
446 | 2109 t_puts(&t_col, t_s, s, attr); |
2110 if (p_more && !recurse) | |
2111 store_sb_text(&sb_str, s, attr, &sb_col, FALSE); | |
7 | 2112 |
2113 msg_check(); | |
2114 } | |
2115 | |
2116 /* | |
446 | 2117 * Scroll the screen up one line for displaying the next message line. |
2118 */ | |
2119 static void | |
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2120 msg_scroll_up(void) |
446 | 2121 { |
2122 #ifdef FEAT_GUI | |
2123 /* Remove the cursor before scrolling, ScreenLines[] is going | |
2124 * to become invalid. */ | |
2125 if (gui.in_use) | |
2126 gui_undraw_cursor(); | |
2127 #endif | |
2128 /* scrolling up always works */ | |
2129 screen_del_lines(0, 0, 1, (int)Rows, TRUE, NULL); | |
2130 | |
2131 if (!can_clear((char_u *)" ")) | |
2132 { | |
2133 /* Scrolling up doesn't result in the right background. Set the | |
2134 * background here. It's not efficient, but avoids that we have to do | |
2135 * it all over the code. */ | |
2136 screen_fill((int)Rows - 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2137 | |
2138 /* Also clear the last char of the last but one line if it was not | |
2139 * cleared before to avoid a scroll-up. */ | |
2140 if (ScreenAttrs[LineOffset[Rows - 2] + Columns - 1] == (sattr_T)-1) | |
2141 screen_fill((int)Rows - 2, (int)Rows - 1, | |
2142 (int)Columns - 1, (int)Columns, ' ', ' ', 0); | |
2143 } | |
2144 } | |
2145 | |
2146 /* | |
539 | 2147 * Increment "msg_scrolled". |
2148 */ | |
2149 static void | |
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2150 inc_msg_scrolled(void) |
539 | 2151 { |
2152 #ifdef FEAT_EVAL | |
2153 if (*get_vim_var_str(VV_SCROLLSTART) == NUL) | |
2154 { | |
2155 char_u *p = sourcing_name; | |
2156 char_u *tofree = NULL; | |
2157 int len; | |
2158 | |
2159 /* v:scrollstart is empty, set it to the script/function name and line | |
2160 * number */ | |
2161 if (p == NULL) | |
2162 p = (char_u *)_("Unknown"); | |
2163 else | |
2164 { | |
835 | 2165 len = (int)STRLEN(p) + 40; |
539 | 2166 tofree = alloc(len); |
2167 if (tofree != NULL) | |
2168 { | |
2169 vim_snprintf((char *)tofree, len, _("%s line %ld"), | |
2170 p, (long)sourcing_lnum); | |
2171 p = tofree; | |
2172 } | |
2173 } | |
2174 set_vim_var_string(VV_SCROLLSTART, p, -1); | |
2175 vim_free(tofree); | |
2176 } | |
2177 #endif | |
2178 ++msg_scrolled; | |
2179 } | |
2180 | |
2181 /* | |
446 | 2182 * To be able to scroll back at the "more" and "hit-enter" prompts we need to |
2183 * store the displayed text and remember where screen lines start. | |
2184 */ | |
2185 typedef struct msgchunk_S msgchunk_T; | |
2186 struct msgchunk_S | |
2187 { | |
2188 msgchunk_T *sb_next; | |
2189 msgchunk_T *sb_prev; | |
2190 char sb_eol; /* TRUE when line ends after this text */ | |
2191 int sb_msg_col; /* column in which text starts */ | |
2192 int sb_attr; /* text attributes */ | |
2193 char_u sb_text[1]; /* text to be displayed, actually longer */ | |
2194 }; | |
2195 | |
2196 static msgchunk_T *last_msgchunk = NULL; /* last displayed text */ | |
2197 | |
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2198 static msgchunk_T *msg_sb_start(msgchunk_T *mps); |
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2199 static msgchunk_T *disp_sb_line(int row, msgchunk_T *smp); |
446 | 2200 |
447 | 2201 static int do_clear_sb_text = FALSE; /* clear text on next msg */ |
2202 | |
446 | 2203 /* |
2204 * Store part of a printed message for displaying when scrolling back. | |
2205 */ | |
2206 static void | |
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2207 store_sb_text( |
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2208 char_u **sb_str, /* start of string */ |
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2209 char_u *s, /* just after string */ |
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2210 int attr, |
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2211 int *sb_col, |
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2212 int finish) /* line ends */ |
446 | 2213 { |
2214 msgchunk_T *mp; | |
2215 | |
447 | 2216 if (do_clear_sb_text) |
2217 { | |
2218 clear_sb_text(); | |
2219 do_clear_sb_text = FALSE; | |
2220 } | |
2221 | |
446 | 2222 if (s > *sb_str) |
2223 { | |
2224 mp = (msgchunk_T *)alloc((int)(sizeof(msgchunk_T) + (s - *sb_str))); | |
2225 if (mp != NULL) | |
2226 { | |
2227 mp->sb_eol = finish; | |
2228 mp->sb_msg_col = *sb_col; | |
2229 mp->sb_attr = attr; | |
2230 vim_strncpy(mp->sb_text, *sb_str, s - *sb_str); | |
2231 | |
2232 if (last_msgchunk == NULL) | |
2233 { | |
2234 last_msgchunk = mp; | |
2235 mp->sb_prev = NULL; | |
2236 } | |
2237 else | |
2238 { | |
2239 mp->sb_prev = last_msgchunk; | |
2240 last_msgchunk->sb_next = mp; | |
2241 last_msgchunk = mp; | |
2242 } | |
2243 mp->sb_next = NULL; | |
2244 } | |
2245 } | |
2246 else if (finish && last_msgchunk != NULL) | |
2247 last_msgchunk->sb_eol = TRUE; | |
2248 | |
2249 *sb_str = s; | |
2250 *sb_col = 0; | |
2251 } | |
2252 | |
2253 /* | |
447 | 2254 * Finished showing messages, clear the scroll-back text on the next message. |
2255 */ | |
2256 void | |
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2257 may_clear_sb_text(void) |
447 | 2258 { |
2259 do_clear_sb_text = TRUE; | |
2260 } | |
2261 | |
2262 /* | |
446 | 2263 * Clear any text remembered for scrolling back. |
2264 * Called when redrawing the screen. | |
2265 */ | |
2266 void | |
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2267 clear_sb_text(void) |
446 | 2268 { |
2269 msgchunk_T *mp; | |
2270 | |
2271 while (last_msgchunk != NULL) | |
2272 { | |
2273 mp = last_msgchunk->sb_prev; | |
2274 vim_free(last_msgchunk); | |
2275 last_msgchunk = mp; | |
2276 } | |
2277 } | |
2278 | |
2279 /* | |
447 | 2280 * "g<" command. |
2281 */ | |
2282 void | |
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2283 show_sb_text(void) |
447 | 2284 { |
2285 msgchunk_T *mp; | |
2286 | |
1342 | 2287 /* Only show something if there is more than one line, otherwise it looks |
447 | 2288 * weird, typing a command without output results in one line. */ |
2289 mp = msg_sb_start(last_msgchunk); | |
2290 if (mp == NULL || mp->sb_prev == NULL) | |
6949 | 2291 vim_beep(BO_MESS); |
447 | 2292 else |
2293 { | |
2294 do_more_prompt('G'); | |
2295 wait_return(FALSE); | |
2296 } | |
2297 } | |
2298 | |
2299 /* | |
446 | 2300 * Move to the start of screen line in already displayed text. |
2301 */ | |
2302 static msgchunk_T * | |
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2303 msg_sb_start(msgchunk_T *mps) |
446 | 2304 { |
2305 msgchunk_T *mp = mps; | |
2306 | |
2307 while (mp != NULL && mp->sb_prev != NULL && !mp->sb_prev->sb_eol) | |
2308 mp = mp->sb_prev; | |
2309 return mp; | |
2310 } | |
2311 | |
2312 /* | |
3435 | 2313 * Mark the last message chunk as finishing the line. |
2314 */ | |
2315 void | |
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2316 msg_sb_eol(void) |
3435 | 2317 { |
2318 if (last_msgchunk != NULL) | |
2319 last_msgchunk->sb_eol = TRUE; | |
2320 } | |
2321 | |
2322 /* | |
446 | 2323 * Display a screen line from previously displayed text at row "row". |
2324 * Returns a pointer to the text for the next line (can be NULL). | |
2325 */ | |
2326 static msgchunk_T * | |
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2327 disp_sb_line(int row, msgchunk_T *smp) |
446 | 2328 { |
2329 msgchunk_T *mp = smp; | |
2330 char_u *p; | |
2331 | |
2332 for (;;) | |
2333 { | |
2334 msg_row = row; | |
2335 msg_col = mp->sb_msg_col; | |
2336 p = mp->sb_text; | |
2337 if (*p == '\n') /* don't display the line break */ | |
2338 ++p; | |
2339 msg_puts_display(p, -1, mp->sb_attr, TRUE); | |
2340 if (mp->sb_eol || mp->sb_next == NULL) | |
2341 break; | |
2342 mp = mp->sb_next; | |
2343 } | |
2344 return mp->sb_next; | |
2345 } | |
2346 | |
2347 /* | |
7 | 2348 * Output any postponed text for msg_puts_attr_len(). |
2349 */ | |
2350 static void | |
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2351 t_puts( |
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2352 int *t_col, |
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2353 char_u *t_s, |
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2354 char_u *s, |
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2355 int attr) |
7 | 2356 { |
2357 /* output postponed text */ | |
2358 msg_didout = TRUE; /* remember that line is not empty */ | |
2359 screen_puts_len(t_s, (int)(s - t_s), msg_row, msg_col, attr); | |
446 | 2360 msg_col += *t_col; |
2361 *t_col = 0; | |
7 | 2362 #ifdef FEAT_MBYTE |
2363 /* If the string starts with a composing character don't increment the | |
2364 * column position for it. */ | |
2365 if (enc_utf8 && utf_iscomposing(utf_ptr2char(t_s))) | |
2366 --msg_col; | |
2367 #endif | |
2368 if (msg_col >= Columns) | |
2369 { | |
2370 msg_col = 0; | |
2371 ++msg_row; | |
2372 } | |
2373 } | |
2374 | |
2375 /* | |
2376 * Returns TRUE when messages should be printed with mch_errmsg(). | |
2377 * This is used when there is no valid screen, so we can see error messages. | |
2378 * If termcap is not active, we may be writing in an alternate console | |
2379 * window, cursor positioning may not work correctly (window size may be | |
2380 * different, e.g. for Win32 console) or we just don't know where the | |
2381 * cursor is. | |
2382 */ | |
2383 int | |
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2384 msg_use_printf(void) |
7 | 2385 { |
2386 return (!msg_check_screen() | |
2387 #if defined(WIN3264) && !defined(FEAT_GUI_MSWIN) | |
2388 || !termcap_active | |
2389 #endif | |
2390 || (swapping_screen() && !termcap_active) | |
2391 ); | |
2392 } | |
2393 | |
446 | 2394 /* |
2395 * Print a message when there is no valid screen. | |
2396 */ | |
2397 static void | |
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2398 msg_puts_printf(char_u *str, int maxlen) |
446 | 2399 { |
2400 char_u *s = str; | |
2401 char_u buf[4]; | |
2402 char_u *p; | |
2403 | |
2404 #ifdef WIN3264 | |
2405 if (!(silent_mode && p_verbose == 0)) | |
2406 mch_settmode(TMODE_COOK); /* handle '\r' and '\n' correctly */ | |
2407 #endif | |
2408 while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) | |
2409 { | |
2410 if (!(silent_mode && p_verbose == 0)) | |
2411 { | |
2412 /* NL --> CR NL translation (for Unix, not for "--version") */ | |
2413 /* NL --> CR translation (for Mac) */ | |
2414 p = &buf[0]; | |
2415 if (*s == '\n' && !info_message) | |
2416 *p++ = '\r'; | |
2417 #if defined(USE_CR) && !defined(MACOS_X_UNIX) | |
2418 else | |
2419 #endif | |
2420 *p++ = *s; | |
2421 *p = '\0'; | |
2422 if (info_message) /* informative message, not an error */ | |
2423 mch_msg((char *)buf); | |
2424 else | |
2425 mch_errmsg((char *)buf); | |
2426 } | |
2427 | |
2428 /* primitive way to compute the current column */ | |
2429 #ifdef FEAT_RIGHTLEFT | |
2430 if (cmdmsg_rl) | |
2431 { | |
2432 if (*s == '\r' || *s == '\n') | |
2433 msg_col = Columns - 1; | |
2434 else | |
2435 --msg_col; | |
2436 } | |
2437 else | |
2438 #endif | |
2439 { | |
2440 if (*s == '\r' || *s == '\n') | |
2441 msg_col = 0; | |
2442 else | |
2443 ++msg_col; | |
2444 } | |
2445 ++s; | |
2446 } | |
2447 msg_didout = TRUE; /* assume that line is not empty */ | |
2448 | |
2449 #ifdef WIN3264 | |
2450 if (!(silent_mode && p_verbose == 0)) | |
2451 mch_settmode(TMODE_RAW); | |
2452 #endif | |
2453 } | |
2454 | |
2455 /* | |
2456 * Show the more-prompt and handle the user response. | |
2457 * This takes care of scrolling back and displaying previously displayed text. | |
447 | 2458 * When at hit-enter prompt "typed_char" is the already typed character, |
2459 * otherwise it's NUL. | |
446 | 2460 * Returns TRUE when jumping ahead to "confirm_msg_tail". |
2461 */ | |
2462 static int | |
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2463 do_more_prompt(int typed_char) |
446 | 2464 { |
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2465 static int entered = FALSE; |
446 | 2466 int used_typed_char = typed_char; |
2467 int oldState = State; | |
2468 int c; | |
2469 #ifdef FEAT_CON_DIALOG | |
2470 int retval = FALSE; | |
2471 #endif | |
3263 | 2472 int toscroll; |
446 | 2473 msgchunk_T *mp_last = NULL; |
2474 msgchunk_T *mp; | |
2475 int i; | |
2476 | |
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2477 /* We get called recursively when a timer callback outputs a message. In |
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2478 * that case don't show another prompt. Also when at the hit-Enter prompt |
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2479 * and nothing was typed. */ |
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2480 if (entered || (State == HITRETURN && typed_char == 0)) |
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2481 return FALSE; |
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2482 entered = TRUE; |
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2483 |
447 | 2484 if (typed_char == 'G') |
2485 { | |
2486 /* "g<": Find first line on the last page. */ | |
2487 mp_last = msg_sb_start(last_msgchunk); | |
2488 for (i = 0; i < Rows - 2 && mp_last != NULL | |
2489 && mp_last->sb_prev != NULL; ++i) | |
2490 mp_last = msg_sb_start(mp_last->sb_prev); | |
2491 } | |
2492 | |
446 | 2493 State = ASKMORE; |
2494 #ifdef FEAT_MOUSE | |
2495 setmouse(); | |
2496 #endif | |
447 | 2497 if (typed_char == NUL) |
2498 msg_moremsg(FALSE); | |
446 | 2499 for (;;) |
2500 { | |
2501 /* | |
2502 * Get a typed character directly from the user. | |
2503 */ | |
2504 if (used_typed_char != NUL) | |
2505 { | |
2506 c = used_typed_char; /* was typed at hit-enter prompt */ | |
2507 used_typed_char = NUL; | |
2508 } | |
2509 else | |
2510 c = get_keystroke(); | |
2511 | |
2512 #if defined(FEAT_MENU) && defined(FEAT_GUI) | |
2513 if (c == K_MENU) | |
2514 { | |
2515 int idx = get_menu_index(current_menu, ASKMORE); | |
2516 | |
2517 /* Used a menu. If it starts with CTRL-Y, it must | |
2518 * be a "Copy" for the clipboard. Otherwise | |
2519 * assume that we end */ | |
2520 if (idx == MENU_INDEX_INVALID) | |
2521 continue; | |
2522 c = *current_menu->strings[idx]; | |
2523 if (c != NUL && current_menu->strings[idx][1] != NUL) | |
2524 ins_typebuf(current_menu->strings[idx] + 1, | |
2525 current_menu->noremap[idx], 0, TRUE, | |
2526 current_menu->silent[idx]); | |
2527 } | |
2528 #endif | |
2529 | |
3263 | 2530 toscroll = 0; |
446 | 2531 switch (c) |
2532 { | |
2533 case BS: /* scroll one line back */ | |
2534 case K_BS: | |
2535 case 'k': | |
2536 case K_UP: | |
3263 | 2537 toscroll = -1; |
446 | 2538 break; |
2539 | |
2540 case CAR: /* one extra line */ | |
2541 case NL: | |
2542 case 'j': | |
2543 case K_DOWN: | |
3263 | 2544 toscroll = 1; |
446 | 2545 break; |
2546 | |
2547 case 'u': /* Up half a page */ | |
3263 | 2548 toscroll = -(Rows / 2); |
446 | 2549 break; |
2550 | |
2551 case 'd': /* Down half a page */ | |
3263 | 2552 toscroll = Rows / 2; |
446 | 2553 break; |
2554 | |
2555 case 'b': /* one page back */ | |
1820 | 2556 case K_PAGEUP: |
3263 | 2557 toscroll = -(Rows - 1); |
446 | 2558 break; |
2559 | |
2560 case ' ': /* one extra page */ | |
1820 | 2561 case 'f': |
446 | 2562 case K_PAGEDOWN: |
2563 case K_LEFTMOUSE: | |
3263 | 2564 toscroll = Rows - 1; |
446 | 2565 break; |
2566 | |
447 | 2567 case 'g': /* all the way back to the start */ |
3263 | 2568 toscroll = -999999; |
447 | 2569 break; |
2570 | |
2571 case 'G': /* all the way to the end */ | |
3263 | 2572 toscroll = 999999; |
447 | 2573 lines_left = 999999; |
2574 break; | |
2575 | |
446 | 2576 case ':': /* start new command line */ |
2577 #ifdef FEAT_CON_DIALOG | |
2578 if (!confirm_msg_used) | |
2579 #endif | |
2580 { | |
2581 /* Since got_int is set all typeahead will be flushed, but we | |
2582 * want to keep this ':', remember that in a special way. */ | |
2583 typeahead_noflush(':'); | |
2584 cmdline_row = Rows - 1; /* put ':' on this line */ | |
2585 skip_redraw = TRUE; /* skip redraw once */ | |
2586 need_wait_return = FALSE; /* don't wait in main() */ | |
2587 } | |
2588 /*FALLTHROUGH*/ | |
2589 case 'q': /* quit */ | |
2590 case Ctrl_C: | |
2591 case ESC: | |
2592 #ifdef FEAT_CON_DIALOG | |
2593 if (confirm_msg_used) | |
2594 { | |
2595 /* Jump to the choices of the dialog. */ | |
2596 retval = TRUE; | |
2597 } | |
2598 else | |
2599 #endif | |
2600 { | |
2601 got_int = TRUE; | |
2602 quit_more = TRUE; | |
2603 } | |
1829 | 2604 /* When there is some more output (wrapping line) display that |
2605 * without another prompt. */ | |
2606 lines_left = Rows - 1; | |
446 | 2607 break; |
2608 | |
2609 #ifdef FEAT_CLIPBOARD | |
2610 case Ctrl_Y: | |
2611 /* Strange way to allow copying (yanking) a modeless | |
2612 * selection at the more prompt. Use CTRL-Y, | |
2613 * because the same is used in Cmdline-mode and at the | |
2614 * hit-enter prompt. However, scrolling one line up | |
2615 * might be expected... */ | |
2616 if (clip_star.state == SELECT_DONE) | |
2617 clip_copy_modeless_selection(TRUE); | |
2618 continue; | |
2619 #endif | |
2620 default: /* no valid response */ | |
2621 msg_moremsg(TRUE); | |
2622 continue; | |
2623 } | |
2624 | |
3263 | 2625 if (toscroll != 0) |
446 | 2626 { |
3263 | 2627 if (toscroll < 0) |
446 | 2628 { |
2629 /* go to start of last line */ | |
2630 if (mp_last == NULL) | |
2631 mp = msg_sb_start(last_msgchunk); | |
2632 else if (mp_last->sb_prev != NULL) | |
2633 mp = msg_sb_start(mp_last->sb_prev); | |
2634 else | |
2635 mp = NULL; | |
2636 | |
2637 /* go to start of line at top of the screen */ | |
2638 for (i = 0; i < Rows - 2 && mp != NULL && mp->sb_prev != NULL; | |
2639 ++i) | |
2640 mp = msg_sb_start(mp->sb_prev); | |
2641 | |
2642 if (mp != NULL && mp->sb_prev != NULL) | |
2643 { | |
2644 /* Find line to be displayed at top. */ | |
3263 | 2645 for (i = 0; i > toscroll; --i) |
446 | 2646 { |
2647 if (mp == NULL || mp->sb_prev == NULL) | |
2648 break; | |
2649 mp = msg_sb_start(mp->sb_prev); | |
2650 if (mp_last == NULL) | |
2651 mp_last = msg_sb_start(last_msgchunk); | |
2652 else | |
2653 mp_last = msg_sb_start(mp_last->sb_prev); | |
2654 } | |
2655 | |
3263 | 2656 if (toscroll == -1 && screen_ins_lines(0, 0, 1, |
446 | 2657 (int)Rows, NULL) == OK) |
2658 { | |
447 | 2659 /* display line at top */ |
446 | 2660 (void)disp_sb_line(0, mp); |
2661 } | |
2662 else | |
2663 { | |
447 | 2664 /* redisplay all lines */ |
446 | 2665 screenclear(); |
870 | 2666 for (i = 0; mp != NULL && i < Rows - 1; ++i) |
2667 { | |
446 | 2668 mp = disp_sb_line(i, mp); |
870 | 2669 ++msg_scrolled; |
2670 } | |
446 | 2671 } |
3263 | 2672 toscroll = 0; |
446 | 2673 } |
2674 } | |
2675 else | |
2676 { | |
2677 /* First display any text that we scrolled back. */ | |
3263 | 2678 while (toscroll > 0 && mp_last != NULL) |
446 | 2679 { |
2680 /* scroll up, display line at bottom */ | |
2681 msg_scroll_up(); | |
539 | 2682 inc_msg_scrolled(); |
446 | 2683 screen_fill((int)Rows - 2, (int)Rows - 1, 0, |
2684 (int)Columns, ' ', ' ', 0); | |
2685 mp_last = disp_sb_line((int)Rows - 2, mp_last); | |
3263 | 2686 --toscroll; |
446 | 2687 } |
2688 } | |
2689 | |
3263 | 2690 if (toscroll <= 0) |
446 | 2691 { |
2692 /* displayed the requested text, more prompt again */ | |
447 | 2693 screen_fill((int)Rows - 1, (int)Rows, 0, |
2694 (int)Columns, ' ', ' ', 0); | |
446 | 2695 msg_moremsg(FALSE); |
2696 continue; | |
2697 } | |
2698 | |
2699 /* display more text, return to caller */ | |
3263 | 2700 lines_left = toscroll; |
446 | 2701 } |
2702 | |
2703 break; | |
2704 } | |
2705 | |
2706 /* clear the --more-- message */ | |
2707 screen_fill((int)Rows - 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2708 State = oldState; | |
2709 #ifdef FEAT_MOUSE | |
2710 setmouse(); | |
2711 #endif | |
2712 if (quit_more) | |
2713 { | |
2714 msg_row = Rows - 1; | |
2715 msg_col = 0; | |
2716 } | |
2717 #ifdef FEAT_RIGHTLEFT | |
2718 else if (cmdmsg_rl) | |
2719 msg_col = Columns - 1; | |
2720 #endif | |
2721 | |
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Christian Brabandt <cb@256bit.org>
parents:
8289
diff
changeset
|
2722 entered = FALSE; |
446 | 2723 #ifdef FEAT_CON_DIALOG |
2724 return retval; | |
2725 #else | |
2726 return FALSE; | |
2727 #endif | |
2728 } | |
2729 | |
7 | 2730 #if defined(USE_MCH_ERRMSG) || defined(PROTO) |
2731 | |
2732 #ifdef mch_errmsg | |
2733 # undef mch_errmsg | |
2734 #endif | |
2735 #ifdef mch_msg | |
2736 # undef mch_msg | |
2737 #endif | |
2738 | |
2739 /* | |
2740 * Give an error message. To be used when the screen hasn't been initialized | |
2741 * yet. When stderr can't be used, collect error messages until the GUI has | |
2742 * started and they can be displayed in a message box. | |
2743 */ | |
2744 void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2745 mch_errmsg(char *str) |
7 | 2746 { |
2747 int len; | |
2748 | |
2749 #if (defined(UNIX) || defined(FEAT_GUI)) && !defined(ALWAYS_USE_GUI) | |
2750 /* On Unix use stderr if it's a tty. | |
2751 * When not going to start the GUI also use stderr. | |
2752 * On Mac, when started from Finder, stderr is the console. */ | |
2753 if ( | |
2754 # ifdef UNIX | |
2755 # ifdef MACOS_X_UNIX | |
2756 (isatty(2) && strcmp("/dev/console", ttyname(2)) != 0) | |
2757 # else | |
2758 isatty(2) | |
2759 # endif | |
2760 # ifdef FEAT_GUI | |
2761 || | |
2762 # endif | |
2763 # endif | |
2764 # ifdef FEAT_GUI | |
2765 !(gui.in_use || gui.starting) | |
2766 # endif | |
2767 ) | |
2768 { | |
2769 fprintf(stderr, "%s", str); | |
2770 return; | |
2771 } | |
2772 #endif | |
2773 | |
2774 /* avoid a delay for a message that isn't there */ | |
2775 emsg_on_display = FALSE; | |
2776 | |
2777 len = (int)STRLEN(str) + 1; | |
2778 if (error_ga.ga_growsize == 0) | |
2779 { | |
2780 error_ga.ga_growsize = 80; | |
2781 error_ga.ga_itemsize = 1; | |
2782 } | |
2783 if (ga_grow(&error_ga, len) == OK) | |
2784 { | |
2785 mch_memmove((char_u *)error_ga.ga_data + error_ga.ga_len, | |
2786 (char_u *)str, len); | |
2787 #ifdef UNIX | |
2788 /* remove CR characters, they are displayed */ | |
2789 { | |
2790 char_u *p; | |
2791 | |
2792 p = (char_u *)error_ga.ga_data + error_ga.ga_len; | |
2793 for (;;) | |
2794 { | |
2795 p = vim_strchr(p, '\r'); | |
2796 if (p == NULL) | |
2797 break; | |
2798 *p = ' '; | |
2799 } | |
2800 } | |
2801 #endif | |
2802 --len; /* don't count the NUL at the end */ | |
2803 error_ga.ga_len += len; | |
2804 } | |
2805 } | |
2806 | |
2807 /* | |
2808 * Give a message. To be used when the screen hasn't been initialized yet. | |
2809 * When there is no tty, collect messages until the GUI has started and they | |
2810 * can be displayed in a message box. | |
2811 */ | |
2812 void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2813 mch_msg(char *str) |
7 | 2814 { |
2815 #if (defined(UNIX) || defined(FEAT_GUI)) && !defined(ALWAYS_USE_GUI) | |
2816 /* On Unix use stdout if we have a tty. This allows "vim -h | more" and | |
2817 * uses mch_errmsg() when started from the desktop. | |
2818 * When not going to start the GUI also use stdout. | |
2819 * On Mac, when started from Finder, stderr is the console. */ | |
2820 if ( | |
2821 # ifdef UNIX | |
2822 # ifdef MACOS_X_UNIX | |
2823 (isatty(2) && strcmp("/dev/console", ttyname(2)) != 0) | |
2824 # else | |
2825 isatty(2) | |
2826 # endif | |
2827 # ifdef FEAT_GUI | |
2828 || | |
2829 # endif | |
2830 # endif | |
2831 # ifdef FEAT_GUI | |
2832 !(gui.in_use || gui.starting) | |
2833 # endif | |
2834 ) | |
2835 { | |
2836 printf("%s", str); | |
2837 return; | |
2838 } | |
2839 # endif | |
2840 mch_errmsg(str); | |
2841 } | |
2842 #endif /* USE_MCH_ERRMSG */ | |
2843 | |
2844 /* | |
2845 * Put a character on the screen at the current message position and advance | |
2846 * to the next position. Only for printable ASCII! | |
2847 */ | |
2848 static void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2849 msg_screen_putchar(int c, int attr) |
7 | 2850 { |
2851 msg_didout = TRUE; /* remember that line is not empty */ | |
2852 screen_putchar(c, msg_row, msg_col, attr); | |
2853 #ifdef FEAT_RIGHTLEFT | |
2854 if (cmdmsg_rl) | |
2855 { | |
2856 if (--msg_col == 0) | |
2857 { | |
2858 msg_col = Columns; | |
2859 ++msg_row; | |
2860 } | |
2861 } | |
2862 else | |
2863 #endif | |
2864 { | |
2865 if (++msg_col >= Columns) | |
2866 { | |
2867 msg_col = 0; | |
2868 ++msg_row; | |
2869 } | |
2870 } | |
2871 } | |
2872 | |
2873 void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2874 msg_moremsg(int full) |
7 | 2875 { |
446 | 2876 int attr; |
2877 char_u *s = (char_u *)_("-- More --"); | |
7 | 2878 |
2879 attr = hl_attr(HLF_M); | |
446 | 2880 screen_puts(s, (int)Rows - 1, 0, attr); |
7 | 2881 if (full) |
446 | 2882 screen_puts((char_u *) |
2883 _(" SPACE/d/j: screen/page/line down, b/u/k: up, q: quit "), | |
2884 (int)Rows - 1, vim_strsize(s), attr); | |
7 | 2885 } |
2886 | |
2887 /* | |
2888 * Repeat the message for the current mode: ASKMORE, EXTERNCMD, CONFIRM or | |
2889 * exmode_active. | |
2890 */ | |
2891 void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2892 repeat_message(void) |
7 | 2893 { |
2894 if (State == ASKMORE) | |
2895 { | |
2896 msg_moremsg(TRUE); /* display --more-- message again */ | |
2897 msg_row = Rows - 1; | |
2898 } | |
2899 #ifdef FEAT_CON_DIALOG | |
2900 else if (State == CONFIRM) | |
2901 { | |
2902 display_confirm_msg(); /* display ":confirm" message again */ | |
2903 msg_row = Rows - 1; | |
2904 } | |
2905 #endif | |
2906 else if (State == EXTERNCMD) | |
2907 { | |
2908 windgoto(msg_row, msg_col); /* put cursor back */ | |
2909 } | |
2910 else if (State == HITRETURN || State == SETWSIZE) | |
2911 { | |
1445 | 2912 if (msg_row == Rows - 1) |
2913 { | |
2914 /* Avoid drawing the "hit-enter" prompt below the previous one, | |
2915 * overwrite it. Esp. useful when regaining focus and a | |
2916 * FocusGained autocmd exists but didn't draw anything. */ | |
2917 msg_didout = FALSE; | |
2918 msg_col = 0; | |
2919 msg_clr_eos(); | |
2920 } | |
7 | 2921 hit_return_msg(); |
2922 msg_row = Rows - 1; | |
2923 } | |
2924 } | |
2925 | |
2926 /* | |
2927 * msg_check_screen - check if the screen is initialized. | |
2928 * Also check msg_row and msg_col, if they are too big it may cause a crash. | |
2929 * While starting the GUI the terminal codes will be set for the GUI, but the | |
2930 * output goes to the terminal. Don't use the terminal codes then. | |
2931 */ | |
2932 static int | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2933 msg_check_screen(void) |
7 | 2934 { |
2935 if (!full_screen || !screen_valid(FALSE)) | |
2936 return FALSE; | |
2937 | |
2938 if (msg_row >= Rows) | |
2939 msg_row = Rows - 1; | |
2940 if (msg_col >= Columns) | |
2941 msg_col = Columns - 1; | |
2942 return TRUE; | |
2943 } | |
2944 | |
2945 /* | |
2946 * Clear from current message position to end of screen. | |
2947 * Skip this when ":silent" was used, no need to clear for redirection. | |
2948 */ | |
2949 void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2950 msg_clr_eos(void) |
7 | 2951 { |
2952 if (msg_silent == 0) | |
2953 msg_clr_eos_force(); | |
2954 } | |
2955 | |
2956 /* | |
2957 * Clear from current message position to end of screen. | |
2958 * Note: msg_col is not updated, so we remember the end of the message | |
2959 * for msg_check(). | |
2960 */ | |
2961 void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
2962 msg_clr_eos_force(void) |
7 | 2963 { |
2964 if (msg_use_printf()) | |
2965 { | |
2966 if (full_screen) /* only when termcap codes are valid */ | |
2967 { | |
2968 if (*T_CD) | |
2969 out_str(T_CD); /* clear to end of display */ | |
2970 else if (*T_CE) | |
2971 out_str(T_CE); /* clear to end of line */ | |
2972 } | |
2973 } | |
2974 else | |
2975 { | |
2976 #ifdef FEAT_RIGHTLEFT | |
2977 if (cmdmsg_rl) | |
2978 { | |
2979 screen_fill(msg_row, msg_row + 1, 0, msg_col + 1, ' ', ' ', 0); | |
2980 screen_fill(msg_row + 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2981 } | |
2982 else | |
2983 #endif | |
2984 { | |
2985 screen_fill(msg_row, msg_row + 1, msg_col, (int)Columns, | |
2986 ' ', ' ', 0); | |
2987 screen_fill(msg_row + 1, (int)Rows, 0, (int)Columns, ' ', ' ', 0); | |
2988 } | |
2989 } | |
2990 } | |
2991 | |
2992 /* | |
2993 * Clear the command line. | |
2994 */ | |
2995 void | |
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parents:
7803
diff
changeset
|
2996 msg_clr_cmdline(void) |
7 | 2997 { |
2998 msg_row = cmdline_row; | |
2999 msg_col = 0; | |
3000 msg_clr_eos_force(); | |
3001 } | |
3002 | |
3003 /* | |
3004 * end putting a message on the screen | |
3005 * call wait_return if the message does not fit in the available space | |
3006 * return TRUE if wait_return not called. | |
3007 */ | |
3008 int | |
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parents:
7803
diff
changeset
|
3009 msg_end(void) |
7 | 3010 { |
3011 /* | |
5245
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parents:
4793
diff
changeset
|
3012 * If the string is larger than the window, |
7 | 3013 * or the ruler option is set and we run into it, |
3014 * we have to redraw the window. | |
3015 * Do not do this if we are abandoning the file or editing the command line. | |
3016 */ | |
3017 if (!exiting && need_wait_return && !(State & CMDLINE)) | |
3018 { | |
3019 wait_return(FALSE); | |
3020 return FALSE; | |
3021 } | |
3022 out_flush(); | |
3023 return TRUE; | |
3024 } | |
3025 | |
3026 /* | |
3027 * If the written message runs into the shown command or ruler, we have to | |
3028 * wait for hit-return and redraw the window later. | |
3029 */ | |
3030 void | |
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parents:
7803
diff
changeset
|
3031 msg_check(void) |
7 | 3032 { |
3033 if (msg_row == Rows - 1 && msg_col >= sc_col) | |
3034 { | |
3035 need_wait_return = TRUE; | |
3036 redraw_cmdline = TRUE; | |
3037 } | |
3038 } | |
3039 | |
3040 /* | |
3041 * May write a string to the redirection file. | |
3042 * When "maxlen" is -1 write the whole string, otherwise up to "maxlen" bytes. | |
3043 */ | |
3044 static void | |
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parents:
7803
diff
changeset
|
3045 redir_write(char_u *str, int maxlen) |
7 | 3046 { |
3047 char_u *s = str; | |
3048 static int cur_col = 0; | |
3049 | |
291 | 3050 /* Don't do anything for displaying prompts and the like. */ |
3051 if (redir_off) | |
3052 return; | |
3053 | |
3072 | 3054 /* If 'verbosefile' is set prepare for writing in that file. */ |
3055 if (*p_vfile != NUL && verbose_fd == NULL) | |
3056 verbose_open(); | |
291 | 3057 |
1854 | 3058 if (redirecting()) |
7 | 3059 { |
3060 /* If the string doesn't start with CR or NL, go to msg_col */ | |
3061 if (*s != '\n' && *s != '\r') | |
3062 { | |
3063 while (cur_col < msg_col) | |
3064 { | |
3065 #ifdef FEAT_EVAL | |
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Christian Brabandt <cb@256bit.org>
parents:
9389
diff
changeset
|
3066 if (redir_evalcmd) |
f048e5a27253
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parents:
9389
diff
changeset
|
3067 evalcmd_redir_str((char_u *)" ", -1); |
f048e5a27253
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Christian Brabandt <cb@256bit.org>
parents:
9389
diff
changeset
|
3068 else if (redir_reg) |
7 | 3069 write_reg_contents(redir_reg, (char_u *)" ", -1, TRUE); |
167 | 3070 else if (redir_vname) |
3071 var_redir_str((char_u *)" ", -1); | |
3072 | 3072 else |
7 | 3073 #endif |
3072 | 3074 if (redir_fd != NULL) |
7 | 3075 fputs(" ", redir_fd); |
3072 | 3076 if (verbose_fd != NULL) |
3077 fputs(" ", verbose_fd); | |
7 | 3078 ++cur_col; |
3079 } | |
3080 } | |
3081 | |
3082 #ifdef FEAT_EVAL | |
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Christian Brabandt <cb@256bit.org>
parents:
9389
diff
changeset
|
3083 if (redir_evalcmd) |
f048e5a27253
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parents:
9389
diff
changeset
|
3084 evalcmd_redir_str(s, maxlen); |
f048e5a27253
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parents:
9389
diff
changeset
|
3085 else if (redir_reg) |
7 | 3086 write_reg_contents(redir_reg, s, maxlen, TRUE); |
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parents:
9389
diff
changeset
|
3087 else if (redir_vname) |
167 | 3088 var_redir_str(s, maxlen); |
7 | 3089 #endif |
3090 | |
3072 | 3091 /* Write and adjust the current column. */ |
7 | 3092 while (*s != NUL && (maxlen < 0 || (int)(s - str) < maxlen)) |
3093 { | |
3094 #ifdef FEAT_EVAL | |
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Christian Brabandt <cb@256bit.org>
parents:
9389
diff
changeset
|
3095 if (!redir_reg && !redir_vname && !redir_evalcmd) |
7 | 3096 #endif |
3072 | 3097 if (redir_fd != NULL) |
3098 putc(*s, redir_fd); | |
3099 if (verbose_fd != NULL) | |
3100 putc(*s, verbose_fd); | |
7 | 3101 if (*s == '\r' || *s == '\n') |
3102 cur_col = 0; | |
3103 else if (*s == '\t') | |
3104 cur_col += (8 - cur_col % 8); | |
3105 else | |
3106 ++cur_col; | |
3107 ++s; | |
3108 } | |
3109 | |
3110 if (msg_silent != 0) /* should update msg_col */ | |
3111 msg_col = cur_col; | |
3112 } | |
3113 } | |
3114 | |
1854 | 3115 int |
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parents:
7803
diff
changeset
|
3116 redirecting(void) |
1854 | 3117 { |
3072 | 3118 return redir_fd != NULL || *p_vfile != NUL |
1854 | 3119 #ifdef FEAT_EVAL |
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Christian Brabandt <cb@256bit.org>
parents:
9389
diff
changeset
|
3120 || redir_reg || redir_vname || redir_evalcmd |
1854 | 3121 #endif |
3122 ; | |
3123 } | |
3124 | |
7 | 3125 /* |
1189 | 3126 * Before giving verbose message. |
291 | 3127 * Must always be called paired with verbose_leave()! |
3128 */ | |
3129 void | |
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Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3130 verbose_enter(void) |
291 | 3131 { |
3132 if (*p_vfile != NUL) | |
3133 ++msg_silent; | |
3134 } | |
3135 | |
3136 /* | |
3137 * After giving verbose message. | |
3138 * Must always be called paired with verbose_enter()! | |
3139 */ | |
3140 void | |
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commit https://github.com/vim/vim/commit/52ea13da0fe86df1abf34de52841e367035170c0
Christian Brabandt <cb@256bit.org>
parents:
7803
diff
changeset
|
3141 verbose_leave(void) |
291 | 3142 { |
3143 if (*p_vfile != NUL) | |
3144 if (--msg_silent < 0) | |
3145 msg_silent = 0; | |
3146 } | |
3147 | |
3148 /* | |
3149 * Like verbose_enter() and set msg_scroll when displaying the message. | |
3150 */ | |
3151 void | |
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|
3152 verbose_enter_scroll(void) |
291 | 3153 { |
3154 if (*p_vfile != NUL) | |
3155 ++msg_silent; | |
3156 else | |
3157 /* always scroll up, don't overwrite */ | |
3158 msg_scroll = TRUE; | |
3159 } | |
3160 | |
3161 /* | |
3162 * Like verbose_leave() and set cmdline_row when displaying the message. | |
3163 */ | |
3164 void | |
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|
3165 verbose_leave_scroll(void) |
291 | 3166 { |
3167 if (*p_vfile != NUL) | |
3168 { | |
3169 if (--msg_silent < 0) | |
3170 msg_silent = 0; | |
3171 } | |
3172 else | |
3173 cmdline_row = msg_row; | |
3174 } | |
3175 | |
3176 /* | |
3177 * Called when 'verbosefile' is set: stop writing to the file. | |
3178 */ | |
3179 void | |
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|
3180 verbose_stop(void) |
291 | 3181 { |
3182 if (verbose_fd != NULL) | |
3183 { | |
3184 fclose(verbose_fd); | |
3185 verbose_fd = NULL; | |
3186 } | |
3187 verbose_did_open = FALSE; | |
3188 } | |
3189 | |
3190 /* | |
3191 * Open the file 'verbosefile'. | |
3192 * Return FAIL or OK. | |
3193 */ | |
3194 int | |
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3195 verbose_open(void) |
291 | 3196 { |
3197 if (verbose_fd == NULL && !verbose_did_open) | |
3198 { | |
3199 /* Only give the error message once. */ | |
3200 verbose_did_open = TRUE; | |
3201 | |
531 | 3202 verbose_fd = mch_fopen((char *)p_vfile, "a"); |
291 | 3203 if (verbose_fd == NULL) |
3204 { | |
3205 EMSG2(_(e_notopen), p_vfile); | |
3206 return FAIL; | |
3207 } | |
3208 } | |
3209 return OK; | |
3210 } | |
3211 | |
3212 /* | |
7 | 3213 * Give a warning message (for searching). |
3214 * Use 'w' highlighting and may repeat the message after redrawing | |
3215 */ | |
3216 void | |
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|
3217 give_warning(char_u *message, int hl) |
7 | 3218 { |
3219 /* Don't do this for ":silent". */ | |
3220 if (msg_silent != 0) | |
3221 return; | |
3222 | |
3223 /* Don't want a hit-enter prompt here. */ | |
3224 ++no_wait_return; | |
8 | 3225 |
7 | 3226 #ifdef FEAT_EVAL |
3227 set_vim_var_string(VV_WARNINGMSG, message, -1); | |
3228 #endif | |
3229 vim_free(keep_msg); | |
3230 keep_msg = NULL; | |
3231 if (hl) | |
3232 keep_msg_attr = hl_attr(HLF_W); | |
3233 else | |
3234 keep_msg_attr = 0; | |
3235 if (msg_attr(message, keep_msg_attr) && msg_scrolled == 0) | |
678 | 3236 set_keep_msg(message, keep_msg_attr); |
7 | 3237 msg_didout = FALSE; /* overwrite this message */ |
3238 msg_nowait = TRUE; /* don't wait for this message */ | |
3239 msg_col = 0; | |
8 | 3240 |
7 | 3241 --no_wait_return; |
3242 } | |
3243 | |
3244 /* | |
3245 * Advance msg cursor to column "col". | |
3246 */ | |
3247 void | |
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3248 msg_advance(int col) |
7 | 3249 { |
3250 if (msg_silent != 0) /* nothing to advance to */ | |
3251 { | |
3252 msg_col = col; /* for redirection, may fill it up later */ | |
3253 return; | |
3254 } | |
3255 if (col >= Columns) /* not enough room */ | |
3256 col = Columns - 1; | |
474 | 3257 #ifdef FEAT_RIGHTLEFT |
3258 if (cmdmsg_rl) | |
3259 while (msg_col > Columns - col) | |
3260 msg_putchar(' '); | |
3261 else | |
3262 #endif | |
3263 while (msg_col < col) | |
3264 msg_putchar(' '); | |
7 | 3265 } |
3266 | |
3267 #if defined(FEAT_CON_DIALOG) || defined(PROTO) | |
3268 /* | |
3269 * Used for "confirm()" function, and the :confirm command prefix. | |
3270 * Versions which haven't got flexible dialogs yet, and console | |
3271 * versions, get this generic handler which uses the command line. | |
3272 * | |
3273 * type = one of: | |
3274 * VIM_QUESTION, VIM_INFO, VIM_WARNING, VIM_ERROR or VIM_GENERIC | |
3275 * title = title string (can be NULL for default) | |
3276 * (neither used in console dialogs at the moment) | |
3277 * | |
3278 * Format of the "buttons" string: | |
3279 * "Button1Name\nButton2Name\nButton3Name" | |
3280 * The first button should normally be the default/accept | |
3281 * The second button should be the 'Cancel' button | |
3282 * Other buttons- use your imagination! | |
3283 * A '&' in a button name becomes a shortcut, so each '&' should be before a | |
3284 * different letter. | |
3285 */ | |
3286 int | |
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3287 do_dialog( |
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3288 int type UNUSED, |
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3289 char_u *title UNUSED, |
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3290 char_u *message, |
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3291 char_u *buttons, |
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3292 int dfltbutton, |
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3293 char_u *textfield UNUSED, /* IObuff for inputdialog(), NULL |
1883 | 3294 otherwise */ |
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3295 int ex_cmd) /* when TRUE pressing : accepts default and starts |
2684 | 3296 Ex command */ |
7 | 3297 { |
3298 int oldState; | |
3299 int retval = 0; | |
3300 char_u *hotkeys; | |
3301 int c; | |
3302 int i; | |
3303 | |
3304 #ifndef NO_CONSOLE | |
3305 /* Don't output anything in silent mode ("ex -s") */ | |
3306 if (silent_mode) | |
3307 return dfltbutton; /* return default option */ | |
3308 #endif | |
3309 | |
3310 #ifdef FEAT_GUI_DIALOG | |
3311 /* When GUI is running and 'c' not in 'guioptions', use the GUI dialog */ | |
3312 if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL) | |
3313 { | |
3314 c = gui_mch_dialog(type, title, message, buttons, dfltbutton, | |
2684 | 3315 textfield, ex_cmd); |
1809 | 3316 /* avoid a hit-enter prompt without clearing the cmdline */ |
3317 need_wait_return = FALSE; | |
3318 emsg_on_display = FALSE; | |
3319 cmdline_row = msg_row; | |
7 | 3320 |
3321 /* Flush output to avoid that further messages and redrawing is done | |
3322 * in the wrong order. */ | |
3323 out_flush(); | |
3324 gui_mch_update(); | |
3325 | |
3326 return c; | |
3327 } | |
3328 #endif | |
3329 | |
3330 oldState = State; | |
3331 State = CONFIRM; | |
3332 #ifdef FEAT_MOUSE | |
3333 setmouse(); | |
3334 #endif | |
3335 | |
3336 /* | |
3337 * Since we wait for a keypress, don't make the | |
3338 * user press RETURN as well afterwards. | |
3339 */ | |
3340 ++no_wait_return; | |
3341 hotkeys = msg_show_console_dialog(message, buttons, dfltbutton); | |
3342 | |
3343 if (hotkeys != NULL) | |
3344 { | |
3345 for (;;) | |
3346 { | |
3347 /* Get a typed character directly from the user. */ | |
3348 c = get_keystroke(); | |
3349 switch (c) | |
3350 { | |
3351 case CAR: /* User accepts default option */ | |
3352 case NL: | |
3353 retval = dfltbutton; | |
3354 break; | |
3355 case Ctrl_C: /* User aborts/cancels */ | |
3356 case ESC: | |
3357 retval = 0; | |
3358 break; | |
3359 default: /* Could be a hotkey? */ | |
3360 if (c < 0) /* special keys are ignored here */ | |
3361 continue; | |
2684 | 3362 if (c == ':' && ex_cmd) |
3363 { | |
3364 retval = dfltbutton; | |
3365 ins_char_typebuf(':'); | |
3366 break; | |
3367 } | |
3368 | |
7 | 3369 /* Make the character lowercase, as chars in "hotkeys" are. */ |
3370 c = MB_TOLOWER(c); | |
3371 retval = 1; | |
3372 for (i = 0; hotkeys[i]; ++i) | |
3373 { | |
3374 #ifdef FEAT_MBYTE | |
3375 if (has_mbyte) | |
3376 { | |
3377 if ((*mb_ptr2char)(hotkeys + i) == c) | |
3378 break; | |
474 | 3379 i += (*mb_ptr2len)(hotkeys + i) - 1; |
7 | 3380 } |
3381 else | |
3382 #endif | |
3383 if (hotkeys[i] == c) | |
3384 break; | |
3385 ++retval; | |
3386 } | |
3387 if (hotkeys[i]) | |
3388 break; | |
3389 /* No hotkey match, so keep waiting */ | |
3390 continue; | |
3391 } | |
3392 break; | |
3393 } | |
3394 | |
3395 vim_free(hotkeys); | |
3396 } | |
3397 | |
3398 State = oldState; | |
3399 #ifdef FEAT_MOUSE | |
3400 setmouse(); | |
3401 #endif | |
3402 --no_wait_return; | |
3403 msg_end_prompt(); | |
3404 | |
3405 return retval; | |
3406 } | |
3407 | |
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3408 static int copy_char(char_u *from, char_u *to, int lowercase); |
7 | 3409 |
3410 /* | |
3411 * Copy one character from "*from" to "*to", taking care of multi-byte | |
3412 * characters. Return the length of the character in bytes. | |
3413 */ | |
3414 static int | |
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3415 copy_char( |
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3416 char_u *from, |
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3417 char_u *to, |
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|
3418 int lowercase) /* make character lower case */ |
7 | 3419 { |
3420 #ifdef FEAT_MBYTE | |
3421 int len; | |
3422 int c; | |
3423 | |
3424 if (has_mbyte) | |
3425 { | |
3426 if (lowercase) | |
3427 { | |
3428 c = MB_TOLOWER((*mb_ptr2char)(from)); | |
3429 return (*mb_char2bytes)(c, to); | |
3430 } | |
3431 else | |
3432 { | |
474 | 3433 len = (*mb_ptr2len)(from); |
7 | 3434 mch_memmove(to, from, (size_t)len); |
3435 return len; | |
3436 } | |
3437 } | |
3438 else | |
3439 #endif | |
3440 { | |
3441 if (lowercase) | |
3442 *to = (char_u)TOLOWER_LOC(*from); | |
3443 else | |
3444 *to = *from; | |
3445 return 1; | |
3446 } | |
3447 } | |
3448 | |
3449 /* | |
3450 * Format the dialog string, and display it at the bottom of | |
3451 * the screen. Return a string of hotkey chars (if defined) for | |
3452 * each 'button'. If a button has no hotkey defined, the first character of | |
3453 * the button is used. | |
3454 * The hotkeys can be multi-byte characters, but without combining chars. | |
3455 * | |
3456 * Returns an allocated string with hotkeys, or NULL for error. | |
3457 */ | |
3458 static char_u * | |
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3459 msg_show_console_dialog( |
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3460 char_u *message, |
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3461 char_u *buttons, |
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|
3462 int dfltbutton) |
7 | 3463 { |
3464 int len = 0; | |
3465 #ifdef FEAT_MBYTE | |
3466 # define HOTK_LEN (has_mbyte ? MB_MAXBYTES : 1) | |
3467 #else | |
3468 # define HOTK_LEN 1 | |
3469 #endif | |
3470 int lenhotkey = HOTK_LEN; /* count first button */ | |
3471 char_u *hotk = NULL; | |
3472 char_u *msgp = NULL; | |
3473 char_u *hotkp = NULL; | |
3474 char_u *r; | |
3475 int copy; | |
3476 #define HAS_HOTKEY_LEN 30 | |
3477 char_u has_hotkey[HAS_HOTKEY_LEN]; | |
3478 int first_hotkey = FALSE; /* first char of button is hotkey */ | |
3479 int idx; | |
3480 | |
3481 has_hotkey[0] = FALSE; | |
3482 | |
3483 /* | |
3484 * First loop: compute the size of memory to allocate. | |
3485 * Second loop: copy to the allocated memory. | |
3486 */ | |
3487 for (copy = 0; copy <= 1; ++copy) | |
3488 { | |
3489 r = buttons; | |
3490 idx = 0; | |
3491 while (*r) | |
3492 { | |
3493 if (*r == DLG_BUTTON_SEP) | |
3494 { | |
3495 if (copy) | |
3496 { | |
3497 *msgp++ = ','; | |
3498 *msgp++ = ' '; /* '\n' -> ', ' */ | |
3499 | |
3500 /* advance to next hotkey and set default hotkey */ | |
3501 #ifdef FEAT_MBYTE | |
3502 if (has_mbyte) | |
1306 | 3503 hotkp += STRLEN(hotkp); |
7 | 3504 else |
3505 #endif | |
3506 ++hotkp; | |
1306 | 3507 hotkp[copy_char(r + 1, hotkp, TRUE)] = NUL; |
7 | 3508 if (dfltbutton) |
3509 --dfltbutton; | |
3510 | |
3511 /* If no hotkey is specified first char is used. */ | |
3512 if (idx < HAS_HOTKEY_LEN - 1 && !has_hotkey[++idx]) | |
3513 first_hotkey = TRUE; | |
3514 } | |
3515 else | |
3516 { | |
3517 len += 3; /* '\n' -> ', '; 'x' -> '(x)' */ | |
3518 lenhotkey += HOTK_LEN; /* each button needs a hotkey */ | |
3519 if (idx < HAS_HOTKEY_LEN - 1) | |
3520 has_hotkey[++idx] = FALSE; | |
3521 } | |
3522 } | |
3523 else if (*r == DLG_HOTKEY_CHAR || first_hotkey) | |
3524 { | |
3525 if (*r == DLG_HOTKEY_CHAR) | |
3526 ++r; | |
3527 first_hotkey = FALSE; | |
3528 if (copy) | |
3529 { | |
3530 if (*r == DLG_HOTKEY_CHAR) /* '&&a' -> '&a' */ | |
3531 *msgp++ = *r; | |
3532 else | |
3533 { | |
3534 /* '&a' -> '[a]' */ | |
3535 *msgp++ = (dfltbutton == 1) ? '[' : '('; | |
3536 msgp += copy_char(r, msgp, FALSE); | |
3537 *msgp++ = (dfltbutton == 1) ? ']' : ')'; | |
3538 | |
3539 /* redefine hotkey */ | |
1306 | 3540 hotkp[copy_char(r, hotkp, TRUE)] = NUL; |
7 | 3541 } |
3542 } | |
3543 else | |
3544 { | |
3545 ++len; /* '&a' -> '[a]' */ | |
3546 if (idx < HAS_HOTKEY_LEN - 1) | |
3547 has_hotkey[idx] = TRUE; | |
3548 } | |
3549 } | |
3550 else | |
3551 { | |
3552 /* everything else copy literally */ | |
3553 if (copy) | |
3554 msgp += copy_char(r, msgp, FALSE); | |
3555 } | |
3556 | |
3557 /* advance to the next character */ | |
39 | 3558 mb_ptr_adv(r); |
7 | 3559 } |
3560 | |
3561 if (copy) | |
3562 { | |
3563 *msgp++ = ':'; | |
3564 *msgp++ = ' '; | |
3565 *msgp = NUL; | |
3566 } | |
3567 else | |
3568 { | |
835 | 3569 len += (int)(STRLEN(message) |
856 | 3570 + 2 /* for the NL's */ |
3571 + STRLEN(buttons) | |
3572 + 3); /* for the ": " and NUL */ | |
835 | 3573 lenhotkey++; /* for the NUL */ |
7 | 3574 |
3575 /* If no hotkey is specified first char is used. */ | |
3576 if (!has_hotkey[0]) | |
3577 { | |
3578 first_hotkey = TRUE; | |
3579 len += 2; /* "x" -> "[x]" */ | |
3580 } | |
3581 | |
3582 /* | |
3583 * Now allocate and load the strings | |
3584 */ | |
3585 vim_free(confirm_msg); | |
3586 confirm_msg = alloc(len); | |
3587 if (confirm_msg == NULL) | |
3588 return NULL; | |
3589 *confirm_msg = NUL; | |
3590 hotk = alloc(lenhotkey); | |
3591 if (hotk == NULL) | |
3592 return NULL; | |
3593 | |
3594 *confirm_msg = '\n'; | |
3595 STRCPY(confirm_msg + 1, message); | |
3596 | |
3597 msgp = confirm_msg + 1 + STRLEN(message); | |
3598 hotkp = hotk; | |
3599 | |
1306 | 3600 /* Define first default hotkey. Keep the hotkey string NUL |
3601 * terminated to avoid reading past the end. */ | |
3602 hotkp[copy_char(buttons, hotkp, TRUE)] = NUL; | |
7 | 3603 |
3604 /* Remember where the choices start, displaying starts here when | |
3605 * "hotkp" typed at the more prompt. */ | |
3606 confirm_msg_tail = msgp; | |
3607 *msgp++ = '\n'; | |
3608 } | |
3609 } | |
3610 | |
3611 display_confirm_msg(); | |
3612 return hotk; | |
3613 } | |
3614 | |
3615 /* | |
3616 * Display the ":confirm" message. Also called when screen resized. | |
3617 */ | |
3618 void | |
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diff
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|
3619 display_confirm_msg(void) |
7 | 3620 { |
3621 /* avoid that 'q' at the more prompt truncates the message here */ | |
3622 ++confirm_msg_used; | |
3623 if (confirm_msg != NULL) | |
3624 msg_puts_attr(confirm_msg, hl_attr(HLF_M)); | |
3625 --confirm_msg_used; | |
3626 } | |
3627 | |
3628 #endif /* FEAT_CON_DIALOG */ | |
3629 | |
3630 #if defined(FEAT_CON_DIALOG) || defined(FEAT_GUI_DIALOG) | |
3631 | |
3632 int | |
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3633 vim_dialog_yesno( |
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|
3634 int type, |
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|
3635 char_u *title, |
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3636 char_u *message, |
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3637 int dflt) |
7 | 3638 { |
3639 if (do_dialog(type, | |
3640 title == NULL ? (char_u *)_("Question") : title, | |
3641 message, | |
2684 | 3642 (char_u *)_("&Yes\n&No"), dflt, NULL, FALSE) == 1) |
7 | 3643 return VIM_YES; |
3644 return VIM_NO; | |
3645 } | |
3646 | |
3647 int | |
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|
3648 vim_dialog_yesnocancel( |
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|
3649 int type, |
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3650 char_u *title, |
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|
3651 char_u *message, |
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diff
changeset
|
3652 int dflt) |
7 | 3653 { |
3654 switch (do_dialog(type, | |
3655 title == NULL ? (char_u *)_("Question") : title, | |
3656 message, | |
2684 | 3657 (char_u *)_("&Yes\n&No\n&Cancel"), dflt, NULL, FALSE)) |
7 | 3658 { |
3659 case 1: return VIM_YES; | |
3660 case 2: return VIM_NO; | |
3661 } | |
3662 return VIM_CANCEL; | |
3663 } | |
3664 | |
3665 int | |
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3666 vim_dialog_yesnoallcancel( |
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3667 int type, |
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3668 char_u *title, |
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|
3669 char_u *message, |
41789f16d6b2
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parents:
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diff
changeset
|
3670 int dflt) |
7 | 3671 { |
3672 switch (do_dialog(type, | |
3673 title == NULL ? (char_u *)"Question" : title, | |
3674 message, | |
3675 (char_u *)_("&Yes\n&No\nSave &All\n&Discard All\n&Cancel"), | |
2684 | 3676 dflt, NULL, FALSE)) |
7 | 3677 { |
3678 case 1: return VIM_YES; | |
3679 case 2: return VIM_NO; | |
3680 case 3: return VIM_ALL; | |
3681 case 4: return VIM_DISCARDALL; | |
3682 } | |
3683 return VIM_CANCEL; | |
3684 } | |
3685 | |
3686 #endif /* FEAT_GUI_DIALOG || FEAT_CON_DIALOG */ | |
3687 | |
3688 #if defined(FEAT_BROWSE) || defined(PROTO) | |
3689 /* | |
3690 * Generic browse function. Calls gui_mch_browse() when possible. | |
3691 * Later this may pop-up a non-GUI file selector (external command?). | |
3692 */ | |
3693 char_u * | |
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3694 do_browse( |
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3695 int flags, /* BROWSE_SAVE and BROWSE_DIR */ |
41789f16d6b2
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3696 char_u *title, /* title for the window */ |
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3697 char_u *dflt, /* default file name (may include directory) */ |
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3698 char_u *ext, /* extension added */ |
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diff
changeset
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3699 char_u *initdir, /* initial directory, NULL for current dir or |
7 | 3700 when using path from "dflt" */ |
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3701 char_u *filter, /* file name filter */ |
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diff
changeset
|
3702 buf_T *buf) /* buffer to read/write for */ |
7 | 3703 { |
3704 char_u *fname; | |
3705 static char_u *last_dir = NULL; /* last used directory */ | |
3706 char_u *tofree = NULL; | |
3707 int save_browse = cmdmod.browse; | |
3708 | |
3709 /* Must turn off browse to avoid that autocommands will get the | |
3710 * flag too! */ | |
3711 cmdmod.browse = FALSE; | |
3712 | |
28 | 3713 if (title == NULL || *title == NUL) |
7 | 3714 { |
28 | 3715 if (flags & BROWSE_DIR) |
3716 title = (char_u *)_("Select Directory dialog"); | |
3717 else if (flags & BROWSE_SAVE) | |
7 | 3718 title = (char_u *)_("Save File dialog"); |
3719 else | |
3720 title = (char_u *)_("Open File dialog"); | |
3721 } | |
3722 | |
3723 /* When no directory specified, use default file name, default dir, buffer | |
3724 * dir, last dir or current dir */ | |
3725 if ((initdir == NULL || *initdir == NUL) && dflt != NULL && *dflt != NUL) | |
3726 { | |
3727 if (mch_isdir(dflt)) /* default file name is a directory */ | |
3728 { | |
3729 initdir = dflt; | |
3730 dflt = NULL; | |
3731 } | |
3732 else if (gettail(dflt) != dflt) /* default file name includes a path */ | |
3733 { | |
3734 tofree = vim_strsave(dflt); | |
3735 if (tofree != NULL) | |
3736 { | |
3737 initdir = tofree; | |
3738 *gettail(initdir) = NUL; | |
3739 dflt = gettail(dflt); | |
3740 } | |
3741 } | |
3742 } | |
3743 | |
3744 if (initdir == NULL || *initdir == NUL) | |
3745 { | |
3746 /* When 'browsedir' is a directory, use it */ | |
28 | 3747 if (STRCMP(p_bsdir, "last") != 0 |
3748 && STRCMP(p_bsdir, "buffer") != 0 | |
3749 && STRCMP(p_bsdir, "current") != 0 | |
3750 && mch_isdir(p_bsdir)) | |
7 | 3751 initdir = p_bsdir; |
3752 /* When saving or 'browsedir' is "buffer", use buffer fname */ | |
28 | 3753 else if (((flags & BROWSE_SAVE) || *p_bsdir == 'b') |
7 | 3754 && buf != NULL && buf->b_ffname != NULL) |
3755 { | |
3756 if (dflt == NULL || *dflt == NUL) | |
3757 dflt = gettail(curbuf->b_ffname); | |
3758 tofree = vim_strsave(curbuf->b_ffname); | |
3759 if (tofree != NULL) | |
3760 { | |
3761 initdir = tofree; | |
3762 *gettail(initdir) = NUL; | |
3763 } | |
3764 } | |
3765 /* When 'browsedir' is "last", use dir from last browse */ | |
3766 else if (*p_bsdir == 'l') | |
3767 initdir = last_dir; | |
3768 /* When 'browsedir is "current", use current directory. This is the | |
3769 * default already, leave initdir empty. */ | |
3770 } | |
3771 | |
3772 # ifdef FEAT_GUI | |
3773 if (gui.in_use) /* when this changes, also adjust f_has()! */ | |
3774 { | |
3775 if (filter == NULL | |
3776 # ifdef FEAT_EVAL | |
3777 && (filter = get_var_value((char_u *)"b:browsefilter")) == NULL | |
3778 && (filter = get_var_value((char_u *)"g:browsefilter")) == NULL | |
3779 # endif | |
3780 ) | |
3781 filter = BROWSE_FILTER_DEFAULT; | |
28 | 3782 if (flags & BROWSE_DIR) |
3783 { | |
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3784 # if defined(FEAT_GUI_GTK) || defined(WIN3264) |
28 | 3785 /* For systems that have a directory dialog. */ |
3786 fname = gui_mch_browsedir(title, initdir); | |
3787 # else | |
3788 /* Generic solution for selecting a directory: select a file and | |
3789 * remove the file name. */ | |
3790 fname = gui_mch_browse(0, title, dflt, ext, initdir, (char_u *)""); | |
3791 # endif | |
2277
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3792 # if !defined(FEAT_GUI_GTK) |
28 | 3793 /* Win32 adds a dummy file name, others return an arbitrary file |
3794 * name. GTK+ 2 returns only the directory, */ | |
3795 if (fname != NULL && *fname != NUL && !mch_isdir(fname)) | |
3796 { | |
3797 /* Remove the file name. */ | |
39 | 3798 char_u *tail = gettail_sep(fname); |
28 | 3799 |
3800 if (tail == fname) | |
3801 *tail++ = '.'; /* use current dir */ | |
3802 *tail = NUL; | |
3803 } | |
3804 # endif | |
3805 } | |
3806 else | |
3807 fname = gui_mch_browse(flags & BROWSE_SAVE, | |
3808 title, dflt, ext, initdir, filter); | |
7 | 3809 |
3810 /* We hang around in the dialog for a while, the user might do some | |
3811 * things to our files. The Win32 dialog allows deleting or renaming | |
3812 * a file, check timestamps. */ | |
3813 need_check_timestamps = TRUE; | |
3814 did_check_timestamps = FALSE; | |
3815 } | |
3816 else | |
3817 # endif | |
3818 { | |
3819 /* TODO: non-GUI file selector here */ | |
3820 EMSG(_("E338: Sorry, no file browser in console mode")); | |
3821 fname = NULL; | |
3822 } | |
3823 | |
3824 /* keep the directory for next time */ | |
3825 if (fname != NULL) | |
3826 { | |
3827 vim_free(last_dir); | |
3828 last_dir = vim_strsave(fname); | |
28 | 3829 if (last_dir != NULL && !(flags & BROWSE_DIR)) |
7 | 3830 { |
3831 *gettail(last_dir) = NUL; | |
3832 if (*last_dir == NUL) | |
3833 { | |
3834 /* filename only returned, must be in current dir */ | |
3835 vim_free(last_dir); | |
3836 last_dir = alloc(MAXPATHL); | |
3837 if (last_dir != NULL) | |
3838 mch_dirname(last_dir, MAXPATHL); | |
3839 } | |
3840 } | |
3841 } | |
3842 | |
3843 vim_free(tofree); | |
3844 cmdmod.browse = save_browse; | |
3845 | |
3846 return fname; | |
3847 } | |
3848 #endif | |
272 | 3849 |
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|
3850 #if defined(FEAT_EVAL) |
449 | 3851 static char *e_printf = N_("E766: Insufficient arguments for printf()"); |
3852 | |
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3853 static varnumber_T tv_nr(typval_T *tvs, int *idxp); |
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3854 static char *tv_str(typval_T *tvs, int *idxp); |
1619 | 3855 # ifdef FEAT_FLOAT |
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3856 static double tv_float(typval_T *tvs, int *idxp); |
1619 | 3857 # endif |
449 | 3858 |
3859 /* | |
3860 * Get number argument from "idxp" entry in "tvs". First entry is 1. | |
3861 */ | |
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|
3862 static varnumber_T |
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changeset
|
3863 tv_nr(typval_T *tvs, int *idxp) |
449 | 3864 { |
3865 int idx = *idxp - 1; | |
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3866 varnumber_T n = 0; |
449 | 3867 int err = FALSE; |
3868 | |
3869 if (tvs[idx].v_type == VAR_UNKNOWN) | |
3870 EMSG(_(e_printf)); | |
3871 else | |
3872 { | |
3873 ++*idxp; | |
3874 n = get_tv_number_chk(&tvs[idx], &err); | |
3875 if (err) | |
3876 n = 0; | |
3877 } | |
3878 return n; | |
3879 } | |
3880 | |
3881 /* | |
3882 * Get string argument from "idxp" entry in "tvs". First entry is 1. | |
532 | 3883 * Returns NULL for an error. |
449 | 3884 */ |
3885 static char * | |
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diff
changeset
|
3886 tv_str(typval_T *tvs, int *idxp) |
449 | 3887 { |
3888 int idx = *idxp - 1; | |
3889 char *s = NULL; | |
3890 | |
3891 if (tvs[idx].v_type == VAR_UNKNOWN) | |
3892 EMSG(_(e_printf)); | |
3893 else | |
3894 { | |
3895 ++*idxp; | |
3896 s = (char *)get_tv_string_chk(&tvs[idx]); | |
3897 } | |
3898 return s; | |
3899 } | |
1619 | 3900 |
3901 # ifdef FEAT_FLOAT | |
3902 /* | |
3903 * Get float argument from "idxp" entry in "tvs". First entry is 1. | |
3904 */ | |
3905 static double | |
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changeset
|
3906 tv_float(typval_T *tvs, int *idxp) |
1619 | 3907 { |
3908 int idx = *idxp - 1; | |
3909 double f = 0; | |
3910 | |
3911 if (tvs[idx].v_type == VAR_UNKNOWN) | |
3912 EMSG(_(e_printf)); | |
3913 else | |
3914 { | |
3915 ++*idxp; | |
3916 if (tvs[idx].v_type == VAR_FLOAT) | |
3917 f = tvs[idx].vval.v_float; | |
1656 | 3918 else if (tvs[idx].v_type == VAR_NUMBER) |
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changeset
|
3919 f = (double)tvs[idx].vval.v_number; |
1619 | 3920 else |
3921 EMSG(_("E807: Expected Float argument for printf()")); | |
3922 } | |
3923 return f; | |
3924 } | |
3925 # endif | |
449 | 3926 #endif |
3927 | |
272 | 3928 /* |
3929 * This code was included to provide a portable vsnprintf() and snprintf(). | |
715 | 3930 * Some systems may provide their own, but we always use this one for |
272 | 3931 * consistency. |
3932 * | |
3933 * This code is based on snprintf.c - a portable implementation of snprintf | |
3934 * by Mark Martinec <mark.martinec@ijs.si>, Version 2.2, 2000-10-06. | |
1189 | 3935 * Included with permission. It was heavily modified to fit in Vim. |
272 | 3936 * The original code, including useful comments, can be found here: |
3937 * http://www.ijs.si/software/snprintf/ | |
3938 * | |
3939 * This snprintf() only supports the following conversion specifiers: | |
3940 * s, c, d, u, o, x, X, p (and synonyms: i, D, U, O - see below) | |
3941 * with flags: '-', '+', ' ', '0' and '#'. | |
3942 * An asterisk is supported for field width as well as precision. | |
3943 * | |
1619 | 3944 * Limited support for floating point was added: 'f', 'e', 'E', 'g', 'G'. |
3945 * | |
272 | 3946 * Length modifiers 'h' (short int) and 'l' (long int) are supported. |
3947 * 'll' (long long int) is not supported. | |
3948 * | |
437 | 3949 * The locale is not used, the string is used as a byte string. This is only |
3950 * relevant for double-byte encodings where the second byte may be '%'. | |
3951 * | |
715 | 3952 * It is permitted for "str_m" to be zero, and it is permitted to specify NULL |
3953 * pointer for resulting string argument if "str_m" is zero (as per ISO C99). | |
272 | 3954 * |
3955 * The return value is the number of characters which would be generated | |
6448 | 3956 * for the given input, excluding the trailing NUL. If this value |
715 | 3957 * is greater or equal to "str_m", not all characters from the result |
3958 * have been stored in str, output bytes beyond the ("str_m"-1) -th character | |
3959 * are discarded. If "str_m" is greater than zero it is guaranteed | |
6448 | 3960 * the resulting string will be NUL-terminated. |
272 | 3961 */ |
3962 | |
3963 /* | |
3964 * When va_list is not supported we only define vim_snprintf(). | |
449 | 3965 * |
3966 * vim_vsnprintf() can be invoked with either "va_list" or a list of | |
482 | 3967 * "typval_T". When the latter is not used it must be NULL. |
272 | 3968 */ |
3969 | |
3970 /* When generating prototypes all of this is skipped, cproto doesn't | |
3971 * understand this. */ | |
3972 #ifndef PROTO | |
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3973 |
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|
3974 /* Like vim_vsnprintf() but append to the string. */ |
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3975 int |
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|
3976 vim_snprintf_add(char *str, size_t str_m, char *fmt, ...) |
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3977 { |
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3978 va_list ap; |
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3979 int str_l; |
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3980 size_t len = STRLEN(str); |
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3981 size_t space; |
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3982 |
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3983 if (str_m <= len) |
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3984 space = 0; |
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3985 else |
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3986 space = str_m - len; |
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3987 va_start(ap, fmt); |
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3988 str_l = vim_vsnprintf(str + len, space, fmt, ap, NULL); |
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3989 va_end(ap); |
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3990 return str_l; |
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3991 } |
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3992 |
272 | 3993 int |
3994 vim_snprintf(char *str, size_t str_m, char *fmt, ...) | |
3995 { | |
3996 va_list ap; | |
3997 int str_l; | |
3998 | |
3999 va_start(ap, fmt); | |
449 | 4000 str_l = vim_vsnprintf(str, str_m, fmt, ap, NULL); |
272 | 4001 va_end(ap); |
4002 return str_l; | |
4003 } | |
4004 | |
449 | 4005 int |
7827
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4006 vim_vsnprintf( |
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4007 char *str, |
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4008 size_t str_m, |
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4009 char *fmt, |
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4010 va_list ap, |
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4011 typval_T *tvs) |
272 | 4012 { |
4013 size_t str_l = 0; | |
4014 char *p = fmt; | |
4015 int arg_idx = 1; | |
4016 | |
4017 if (p == NULL) | |
4018 p = ""; | |
4019 while (*p != NUL) | |
4020 { | |
4021 if (*p != '%') | |
4022 { | |
4023 char *q = strchr(p + 1, '%'); | |
1883 | 4024 size_t n = (q == NULL) ? STRLEN(p) : (size_t)(q - p); |
272 | 4025 |
437 | 4026 /* Copy up to the next '%' or NUL without any changes. */ |
272 | 4027 if (str_l < str_m) |
4028 { | |
4029 size_t avail = str_m - str_l; | |
4030 | |
4031 mch_memmove(str + str_l, p, n > avail ? avail : n); | |
4032 } | |
4033 p += n; | |
4034 str_l += n; | |
4035 } | |
4036 else | |
4037 { | |
4038 size_t min_field_width = 0, precision = 0; | |
4039 int zero_padding = 0, precision_specified = 0, justify_left = 0; | |
4040 int alternate_form = 0, force_sign = 0; | |
4041 | |
4042 /* If both the ' ' and '+' flags appear, the ' ' flag should be | |
4043 * ignored. */ | |
4044 int space_for_positive = 1; | |
4045 | |
4046 /* allowed values: \0, h, l, L */ | |
4047 char length_modifier = '\0'; | |
4048 | |
4049 /* temporary buffer for simple numeric->string conversion */ | |
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4050 # ifdef FEAT_FLOAT |
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4051 # define TMP_LEN 350 /* On my system 1e308 is the biggest number possible. |
1619 | 4052 * That sounds reasonable to use as the maximum |
4053 * printable. */ | |
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4054 # else |
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4055 # define TMP_LEN 32 |
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4056 # endif |
1619 | 4057 char tmp[TMP_LEN]; |
272 | 4058 |
4059 /* string address in case of string argument */ | |
4060 char *str_arg; | |
4061 | |
4062 /* natural field width of arg without padding and sign */ | |
4063 size_t str_arg_l; | |
4064 | |
4065 /* unsigned char argument value - only defined for c conversion. | |
4066 * N.B. standard explicitly states the char argument for the c | |
4067 * conversion is unsigned */ | |
4068 unsigned char uchar_arg; | |
4069 | |
4070 /* number of zeros to be inserted for numeric conversions as | |
4071 * required by the precision or minimal field width */ | |
4072 size_t number_of_zeros_to_pad = 0; | |
4073 | |
4074 /* index into tmp where zero padding is to be inserted */ | |
4075 size_t zero_padding_insertion_ind = 0; | |
4076 | |
4077 /* current conversion specifier character */ | |
4078 char fmt_spec = '\0'; | |
4079 | |
4080 str_arg = NULL; | |
4081 p++; /* skip '%' */ | |
4082 | |
4083 /* parse flags */ | |
4084 while (*p == '0' || *p == '-' || *p == '+' || *p == ' ' | |
4085 || *p == '#' || *p == '\'') | |
4086 { | |
4087 switch (*p) | |
4088 { | |
4089 case '0': zero_padding = 1; break; | |
4090 case '-': justify_left = 1; break; | |
4091 case '+': force_sign = 1; space_for_positive = 0; break; | |
4092 case ' ': force_sign = 1; | |
4093 /* If both the ' ' and '+' flags appear, the ' ' | |
4094 * flag should be ignored */ | |
4095 break; | |
4096 case '#': alternate_form = 1; break; | |
4097 case '\'': break; | |
4098 } | |
4099 p++; | |
4100 } | |
4101 /* If the '0' and '-' flags both appear, the '0' flag should be | |
4102 * ignored. */ | |
4103 | |
4104 /* parse field width */ | |
4105 if (*p == '*') | |
4106 { | |
4107 int j; | |
4108 | |
4109 p++; | |
449 | 4110 j = |
4111 # if defined(FEAT_EVAL) | |
482 | 4112 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4113 # endif |
4114 va_arg(ap, int); | |
272 | 4115 if (j >= 0) |
4116 min_field_width = j; | |
4117 else | |
4118 { | |
4119 min_field_width = -j; | |
4120 justify_left = 1; | |
4121 } | |
4122 } | |
4123 else if (VIM_ISDIGIT((int)(*p))) | |
4124 { | |
4125 /* size_t could be wider than unsigned int; make sure we treat | |
4126 * argument like common implementations do */ | |
4127 unsigned int uj = *p++ - '0'; | |
4128 | |
4129 while (VIM_ISDIGIT((int)(*p))) | |
4130 uj = 10 * uj + (unsigned int)(*p++ - '0'); | |
4131 min_field_width = uj; | |
4132 } | |
4133 | |
4134 /* parse precision */ | |
4135 if (*p == '.') | |
4136 { | |
4137 p++; | |
4138 precision_specified = 1; | |
4139 if (*p == '*') | |
4140 { | |
4141 int j; | |
4142 | |
449 | 4143 j = |
4144 # if defined(FEAT_EVAL) | |
482 | 4145 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4146 # endif |
4147 va_arg(ap, int); | |
272 | 4148 p++; |
4149 if (j >= 0) | |
4150 precision = j; | |
4151 else | |
4152 { | |
4153 precision_specified = 0; | |
4154 precision = 0; | |
4155 } | |
4156 } | |
4157 else if (VIM_ISDIGIT((int)(*p))) | |
4158 { | |
4159 /* size_t could be wider than unsigned int; make sure we | |
4160 * treat argument like common implementations do */ | |
4161 unsigned int uj = *p++ - '0'; | |
4162 | |
4163 while (VIM_ISDIGIT((int)(*p))) | |
4164 uj = 10 * uj + (unsigned int)(*p++ - '0'); | |
4165 precision = uj; | |
4166 } | |
4167 } | |
4168 | |
4169 /* parse 'h', 'l' and 'll' length modifiers */ | |
4170 if (*p == 'h' || *p == 'l') | |
4171 { | |
4172 length_modifier = *p; | |
4173 p++; | |
4174 if (length_modifier == 'l' && *p == 'l') | |
4175 { | |
4176 /* double l = long long */ | |
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4177 # ifdef FEAT_NUM64 |
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4178 length_modifier = 'L'; |
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4179 # else |
272 | 4180 length_modifier = 'l'; /* treat it as a single 'l' */ |
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4181 # endif |
272 | 4182 p++; |
4183 } | |
4184 } | |
4185 fmt_spec = *p; | |
4186 | |
4187 /* common synonyms: */ | |
4188 switch (fmt_spec) | |
4189 { | |
4190 case 'i': fmt_spec = 'd'; break; | |
4191 case 'D': fmt_spec = 'd'; length_modifier = 'l'; break; | |
4192 case 'U': fmt_spec = 'u'; length_modifier = 'l'; break; | |
4193 case 'O': fmt_spec = 'o'; length_modifier = 'l'; break; | |
1619 | 4194 case 'F': fmt_spec = 'f'; break; |
272 | 4195 default: break; |
4196 } | |
4197 | |
4198 /* get parameter value, do initial processing */ | |
4199 switch (fmt_spec) | |
4200 { | |
4201 /* '%' and 'c' behave similar to 's' regarding flags and field | |
4202 * widths */ | |
4203 case '%': | |
4204 case 'c': | |
4205 case 's': | |
3914 | 4206 case 'S': |
272 | 4207 length_modifier = '\0'; |
4208 str_arg_l = 1; | |
4209 switch (fmt_spec) | |
4210 { | |
4211 case '%': | |
4212 str_arg = p; | |
4213 break; | |
4214 | |
4215 case 'c': | |
4216 { | |
4217 int j; | |
449 | 4218 |
4219 j = | |
4220 # if defined(FEAT_EVAL) | |
482 | 4221 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4222 # endif |
4223 va_arg(ap, int); | |
272 | 4224 /* standard demands unsigned char */ |
4225 uchar_arg = (unsigned char)j; | |
4226 str_arg = (char *)&uchar_arg; | |
4227 break; | |
4228 } | |
4229 | |
4230 case 's': | |
3914 | 4231 case 'S': |
449 | 4232 str_arg = |
4233 # if defined(FEAT_EVAL) | |
482 | 4234 tvs != NULL ? tv_str(tvs, &arg_idx) : |
449 | 4235 # endif |
4236 va_arg(ap, char *); | |
272 | 4237 if (str_arg == NULL) |
4238 { | |
4239 str_arg = "[NULL]"; | |
4240 str_arg_l = 6; | |
4241 } | |
4242 /* make sure not to address string beyond the specified | |
4243 * precision !!! */ | |
4244 else if (!precision_specified) | |
4245 str_arg_l = strlen(str_arg); | |
4246 /* truncate string if necessary as requested by precision */ | |
4247 else if (precision == 0) | |
4248 str_arg_l = 0; | |
4249 else | |
4250 { | |
881 | 4251 /* Don't put the #if inside memchr(), it can be a |
4252 * macro. */ | |
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4253 # if VIM_SIZEOF_INT <= 2 |
881 | 4254 char *q = memchr(str_arg, '\0', precision); |
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4255 # else |
272 | 4256 /* memchr on HP does not like n > 2^31 !!! */ |
4257 char *q = memchr(str_arg, '\0', | |
881 | 4258 precision <= (size_t)0x7fffffffL ? precision |
4259 : (size_t)0x7fffffffL); | |
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4260 # endif |
1883 | 4261 str_arg_l = (q == NULL) ? precision |
4262 : (size_t)(q - str_arg); | |
272 | 4263 } |
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4264 # ifdef FEAT_MBYTE |
3914 | 4265 if (fmt_spec == 'S') |
4266 { | |
4267 if (min_field_width != 0) | |
4268 min_field_width += STRLEN(str_arg) | |
4269 - mb_string2cells((char_u *)str_arg, -1); | |
4270 if (precision) | |
4271 { | |
4272 char_u *p1 = (char_u *)str_arg; | |
4273 size_t i; | |
4274 | |
4275 for (i = 0; i < precision && *p1; i++) | |
4276 p1 += mb_ptr2len(p1); | |
4277 | |
4278 str_arg_l = precision = p1 - (char_u *)str_arg; | |
4279 } | |
4280 } | |
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4281 # endif |
272 | 4282 break; |
4283 | |
4284 default: | |
4285 break; | |
4286 } | |
4287 break; | |
4288 | |
4289 case 'd': case 'u': case 'o': case 'x': case 'X': case 'p': | |
4290 { | |
4291 /* NOTE: the u, o, x, X and p conversion specifiers | |
4292 * imply the value is unsigned; d implies a signed | |
4293 * value */ | |
4294 | |
4295 /* 0 if numeric argument is zero (or if pointer is | |
4296 * NULL for 'p'), +1 if greater than zero (or nonzero | |
4297 * for unsigned arguments), -1 if negative (unsigned | |
4298 * argument is never negative) */ | |
4299 int arg_sign = 0; | |
4300 | |
4301 /* only defined for length modifier h, or for no | |
4302 * length modifiers */ | |
4303 int int_arg = 0; | |
4304 unsigned int uint_arg = 0; | |
4305 | |
4306 /* only defined for length modifier l */ | |
4307 long int long_arg = 0; | |
4308 unsigned long int ulong_arg = 0; | |
4309 | |
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4310 # ifdef FEAT_NUM64 |
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4311 /* only defined for length modifier ll */ |
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4312 varnumber_T llong_arg = 0; |
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4313 uvarnumber_T ullong_arg = 0; |
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4314 # endif |
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4315 |
272 | 4316 /* pointer argument value -only defined for p |
4317 * conversion */ | |
4318 void *ptr_arg = NULL; | |
4319 | |
4320 if (fmt_spec == 'p') | |
4321 { | |
4322 length_modifier = '\0'; | |
449 | 4323 ptr_arg = |
4324 # if defined(FEAT_EVAL) | |
482 | 4325 tvs != NULL ? (void *)tv_str(tvs, &arg_idx) : |
449 | 4326 # endif |
4327 va_arg(ap, void *); | |
272 | 4328 if (ptr_arg != NULL) |
4329 arg_sign = 1; | |
4330 } | |
4331 else if (fmt_spec == 'd') | |
4332 { | |
4333 /* signed */ | |
4334 switch (length_modifier) | |
4335 { | |
4336 case '\0': | |
4337 case 'h': | |
449 | 4338 /* char and short arguments are passed as int. */ |
4339 int_arg = | |
4340 # if defined(FEAT_EVAL) | |
482 | 4341 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4342 # endif |
4343 va_arg(ap, int); | |
272 | 4344 if (int_arg > 0) |
4345 arg_sign = 1; | |
4346 else if (int_arg < 0) | |
4347 arg_sign = -1; | |
4348 break; | |
4349 case 'l': | |
449 | 4350 long_arg = |
4351 # if defined(FEAT_EVAL) | |
482 | 4352 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
449 | 4353 # endif |
4354 va_arg(ap, long int); | |
272 | 4355 if (long_arg > 0) |
4356 arg_sign = 1; | |
4357 else if (long_arg < 0) | |
4358 arg_sign = -1; | |
4359 break; | |
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4360 # ifdef FEAT_NUM64 |
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4361 case 'L': |
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4362 llong_arg = |
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4363 # if defined(FEAT_EVAL) |
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4364 tvs != NULL ? tv_nr(tvs, &arg_idx) : |
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4365 # endif |
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4366 va_arg(ap, varnumber_T); |
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4367 if (llong_arg > 0) |
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|
4368 arg_sign = 1; |
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4369 else if (llong_arg < 0) |
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|
4370 arg_sign = -1; |
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4371 break; |
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|
4372 # endif |
272 | 4373 } |
4374 } | |
4375 else | |
4376 { | |
4377 /* unsigned */ | |
4378 switch (length_modifier) | |
4379 { | |
4380 case '\0': | |
4381 case 'h': | |
449 | 4382 uint_arg = |
4383 # if defined(FEAT_EVAL) | |
1883 | 4384 tvs != NULL ? (unsigned) |
4385 tv_nr(tvs, &arg_idx) : | |
449 | 4386 # endif |
4387 va_arg(ap, unsigned int); | |
272 | 4388 if (uint_arg != 0) |
4389 arg_sign = 1; | |
4390 break; | |
4391 case 'l': | |
449 | 4392 ulong_arg = |
4393 # if defined(FEAT_EVAL) | |
1883 | 4394 tvs != NULL ? (unsigned long) |
4395 tv_nr(tvs, &arg_idx) : | |
449 | 4396 # endif |
4397 va_arg(ap, unsigned long int); | |
272 | 4398 if (ulong_arg != 0) |
4399 arg_sign = 1; | |
4400 break; | |
9389
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4401 # ifdef FEAT_NUM64 |
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4402 case 'L': |
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4403 ullong_arg = |
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4404 # if defined(FEAT_EVAL) |
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4405 tvs != NULL ? (uvarnumber_T) |
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4406 tv_nr(tvs, &arg_idx) : |
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4407 # endif |
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4408 va_arg(ap, uvarnumber_T); |
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4409 if (ullong_arg != 0) |
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4410 arg_sign = 1; |
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4411 break; |
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4412 # endif |
272 | 4413 } |
4414 } | |
4415 | |
4416 str_arg = tmp; | |
4417 str_arg_l = 0; | |
4418 | |
4419 /* NOTE: | |
4420 * For d, i, u, o, x, and X conversions, if precision is | |
4421 * specified, the '0' flag should be ignored. This is so | |
4422 * with Solaris 2.6, Digital UNIX 4.0, HPUX 10, Linux, | |
4423 * FreeBSD, NetBSD; but not with Perl. | |
4424 */ | |
4425 if (precision_specified) | |
4426 zero_padding = 0; | |
4427 if (fmt_spec == 'd') | |
4428 { | |
4429 if (force_sign && arg_sign >= 0) | |
4430 tmp[str_arg_l++] = space_for_positive ? ' ' : '+'; | |
4431 /* leave negative numbers for sprintf to handle, to | |
4432 * avoid handling tricky cases like (short int)-32768 */ | |
4433 } | |
4434 else if (alternate_form) | |
4435 { | |
4436 if (arg_sign != 0 | |
4437 && (fmt_spec == 'x' || fmt_spec == 'X') ) | |
4438 { | |
4439 tmp[str_arg_l++] = '0'; | |
4440 tmp[str_arg_l++] = fmt_spec; | |
4441 } | |
4442 /* alternate form should have no effect for p | |
4443 * conversion, but ... */ | |
4444 } | |
4445 | |
4446 zero_padding_insertion_ind = str_arg_l; | |
4447 if (!precision_specified) | |
4448 precision = 1; /* default precision is 1 */ | |
4449 if (precision == 0 && arg_sign == 0) | |
4450 { | |
4451 /* When zero value is formatted with an explicit | |
4452 * precision 0, the resulting formatted string is | |
4453 * empty (d, i, u, o, x, X, p). */ | |
4454 } | |
4455 else | |
4456 { | |
9389
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4457 char f[6]; |
272 | 4458 int f_l = 0; |
4459 | |
4460 /* construct a simple format string for sprintf */ | |
4461 f[f_l++] = '%'; | |
4462 if (!length_modifier) | |
4463 ; | |
9389
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4464 else if (length_modifier == 'L') |
272 | 4465 { |
9389
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4466 # ifdef FEAT_NUM64 |
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4467 # ifdef WIN3264 |
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4468 f[f_l++] = 'I'; |
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4469 f[f_l++] = '6'; |
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4470 f[f_l++] = '4'; |
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4471 # else |
272 | 4472 f[f_l++] = 'l'; |
4473 f[f_l++] = 'l'; | |
9389
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4474 # endif |
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4475 # else |
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4476 f[f_l++] = 'l'; |
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4477 # endif |
272 | 4478 } |
4479 else | |
4480 f[f_l++] = length_modifier; | |
4481 f[f_l++] = fmt_spec; | |
4482 f[f_l++] = '\0'; | |
4483 | |
4484 if (fmt_spec == 'p') | |
4485 str_arg_l += sprintf(tmp + str_arg_l, f, ptr_arg); | |
4486 else if (fmt_spec == 'd') | |
4487 { | |
4488 /* signed */ | |
4489 switch (length_modifier) | |
4490 { | |
4491 case '\0': | |
4492 case 'h': str_arg_l += sprintf( | |
4493 tmp + str_arg_l, f, int_arg); | |
4494 break; | |
4495 case 'l': str_arg_l += sprintf( | |
4496 tmp + str_arg_l, f, long_arg); | |
4497 break; | |
9389
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4498 # ifdef FEAT_NUM64 |
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4499 case 'L': str_arg_l += sprintf( |
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4500 tmp + str_arg_l, f, llong_arg); |
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4501 break; |
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4502 # endif |
272 | 4503 } |
4504 } | |
4505 else | |
4506 { | |
4507 /* unsigned */ | |
4508 switch (length_modifier) | |
4509 { | |
4510 case '\0': | |
4511 case 'h': str_arg_l += sprintf( | |
4512 tmp + str_arg_l, f, uint_arg); | |
4513 break; | |
4514 case 'l': str_arg_l += sprintf( | |
4515 tmp + str_arg_l, f, ulong_arg); | |
4516 break; | |
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4517 # ifdef FEAT_NUM64 |
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4518 case 'L': str_arg_l += sprintf( |
32e34e574716
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|
4519 tmp + str_arg_l, f, ullong_arg); |
32e34e574716
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4520 break; |
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4521 # endif |
272 | 4522 } |
4523 } | |
4524 | |
4525 /* include the optional minus sign and possible | |
4526 * "0x" in the region before the zero padding | |
4527 * insertion point */ | |
4528 if (zero_padding_insertion_ind < str_arg_l | |
4529 && tmp[zero_padding_insertion_ind] == '-') | |
4530 zero_padding_insertion_ind++; | |
4531 if (zero_padding_insertion_ind + 1 < str_arg_l | |
4532 && tmp[zero_padding_insertion_ind] == '0' | |
4533 && (tmp[zero_padding_insertion_ind + 1] == 'x' | |
4534 || tmp[zero_padding_insertion_ind + 1] == 'X')) | |
4535 zero_padding_insertion_ind += 2; | |
4536 } | |
4537 | |
4538 { | |
4539 size_t num_of_digits = str_arg_l | |
4540 - zero_padding_insertion_ind; | |
4541 | |
4542 if (alternate_form && fmt_spec == 'o' | |
4543 /* unless zero is already the first | |
4544 * character */ | |
4545 && !(zero_padding_insertion_ind < str_arg_l | |
4546 && tmp[zero_padding_insertion_ind] == '0')) | |
4547 { | |
4548 /* assure leading zero for alternate-form | |
4549 * octal numbers */ | |
4550 if (!precision_specified | |
4551 || precision < num_of_digits + 1) | |
4552 { | |
4553 /* precision is increased to force the | |
4554 * first character to be zero, except if a | |
4555 * zero value is formatted with an | |
4556 * explicit precision of zero */ | |
4557 precision = num_of_digits + 1; | |
4558 precision_specified = 1; | |
4559 } | |
4560 } | |
4561 /* zero padding to specified precision? */ | |
4562 if (num_of_digits < precision) | |
4563 number_of_zeros_to_pad = precision - num_of_digits; | |
4564 } | |
4565 /* zero padding to specified minimal field width? */ | |
4566 if (!justify_left && zero_padding) | |
4567 { | |
835 | 4568 int n = (int)(min_field_width - (str_arg_l |
4569 + number_of_zeros_to_pad)); | |
272 | 4570 if (n > 0) |
4571 number_of_zeros_to_pad += n; | |
4572 } | |
4573 break; | |
4574 } | |
4575 | |
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|
4576 # ifdef FEAT_FLOAT |
1619 | 4577 case 'f': |
4578 case 'e': | |
4579 case 'E': | |
4580 case 'g': | |
4581 case 'G': | |
4582 { | |
4583 /* Floating point. */ | |
4584 double f; | |
4585 double abs_f; | |
4586 char format[40]; | |
4587 int l; | |
4588 int remove_trailing_zeroes = FALSE; | |
4589 | |
4590 f = | |
4591 # if defined(FEAT_EVAL) | |
4592 tvs != NULL ? tv_float(tvs, &arg_idx) : | |
4593 # endif | |
4594 va_arg(ap, double); | |
4595 abs_f = f < 0 ? -f : f; | |
4596 | |
4597 if (fmt_spec == 'g' || fmt_spec == 'G') | |
4598 { | |
4599 /* Would be nice to use %g directly, but it prints | |
4600 * "1.0" as "1", we don't want that. */ | |
4601 if ((abs_f >= 0.001 && abs_f < 10000000.0) | |
4602 || abs_f == 0.0) | |
4603 fmt_spec = 'f'; | |
4604 else | |
4605 fmt_spec = fmt_spec == 'g' ? 'e' : 'E'; | |
4606 remove_trailing_zeroes = TRUE; | |
4607 } | |
4608 | |
1783 | 4609 if (fmt_spec == 'f' && |
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|
4610 # ifdef VAX |
1783 | 4611 abs_f > 1.0e38 |
7803
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4612 # else |
1783 | 4613 abs_f > 1.0e307 |
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4614 # endif |
1783 | 4615 ) |
1619 | 4616 { |
4617 /* Avoid a buffer overflow */ | |
4618 strcpy(tmp, "inf"); | |
4619 str_arg_l = 3; | |
4620 } | |
4621 else | |
4622 { | |
4623 format[0] = '%'; | |
4624 l = 1; | |
4625 if (precision_specified) | |
4626 { | |
4627 size_t max_prec = TMP_LEN - 10; | |
4628 | |
4629 /* Make sure we don't get more digits than we | |
4630 * have room for. */ | |
4631 if (fmt_spec == 'f' && abs_f > 1.0) | |
4632 max_prec -= (size_t)log10(abs_f); | |
4633 if (precision > max_prec) | |
4634 precision = max_prec; | |
4635 l += sprintf(format + 1, ".%d", (int)precision); | |
4636 } | |
4637 format[l] = fmt_spec; | |
4638 format[l + 1] = NUL; | |
4639 str_arg_l = sprintf(tmp, format, f); | |
4640 | |
4641 if (remove_trailing_zeroes) | |
4642 { | |
4643 int i; | |
1757 | 4644 char *tp; |
1619 | 4645 |
4646 /* Using %g or %G: remove superfluous zeroes. */ | |
4647 if (fmt_spec == 'f') | |
1757 | 4648 tp = tmp + str_arg_l - 1; |
1619 | 4649 else |
4650 { | |
1757 | 4651 tp = (char *)vim_strchr((char_u *)tmp, |
1619 | 4652 fmt_spec == 'e' ? 'e' : 'E'); |
1757 | 4653 if (tp != NULL) |
1619 | 4654 { |
4655 /* Remove superfluous '+' and leading | |
4656 * zeroes from the exponent. */ | |
1757 | 4657 if (tp[1] == '+') |
1619 | 4658 { |
4659 /* Change "1.0e+07" to "1.0e07" */ | |
1757 | 4660 STRMOVE(tp + 1, tp + 2); |
1619 | 4661 --str_arg_l; |
4662 } | |
1757 | 4663 i = (tp[1] == '-') ? 2 : 1; |
4664 while (tp[i] == '0') | |
1619 | 4665 { |
4666 /* Change "1.0e07" to "1.0e7" */ | |
1757 | 4667 STRMOVE(tp + i, tp + i + 1); |
1619 | 4668 --str_arg_l; |
4669 } | |
1757 | 4670 --tp; |
1619 | 4671 } |
4672 } | |
4673 | |
1757 | 4674 if (tp != NULL && !precision_specified) |
1619 | 4675 /* Remove trailing zeroes, but keep the one |
4676 * just after a dot. */ | |
1757 | 4677 while (tp > tmp + 2 && *tp == '0' |
4678 && tp[-1] != '.') | |
1619 | 4679 { |
1757 | 4680 STRMOVE(tp, tp + 1); |
4681 --tp; | |
1619 | 4682 --str_arg_l; |
4683 } | |
4684 } | |
4685 else | |
4686 { | |
1757 | 4687 char *tp; |
1619 | 4688 |
4689 /* Be consistent: some printf("%e") use 1.0e+12 | |
4690 * and some 1.0e+012. Remove one zero in the last | |
4691 * case. */ | |
1757 | 4692 tp = (char *)vim_strchr((char_u *)tmp, |
1619 | 4693 fmt_spec == 'e' ? 'e' : 'E'); |
1757 | 4694 if (tp != NULL && (tp[1] == '+' || tp[1] == '-') |
4695 && tp[2] == '0' | |
4696 && vim_isdigit(tp[3]) | |
4697 && vim_isdigit(tp[4])) | |
1619 | 4698 { |
1757 | 4699 STRMOVE(tp + 2, tp + 3); |
1619 | 4700 --str_arg_l; |
4701 } | |
4702 } | |
4703 } | |
4704 str_arg = tmp; | |
4705 break; | |
4706 } | |
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4707 # endif |
1619 | 4708 |
272 | 4709 default: |
4710 /* unrecognized conversion specifier, keep format string | |
4711 * as-is */ | |
4712 zero_padding = 0; /* turn zero padding off for non-numeric | |
1189 | 4713 conversion */ |
272 | 4714 justify_left = 1; |
856 | 4715 min_field_width = 0; /* reset flags */ |
272 | 4716 |
4717 /* discard the unrecognized conversion, just keep * | |
856 | 4718 * the unrecognized conversion character */ |
272 | 4719 str_arg = p; |
4720 str_arg_l = 0; | |
4721 if (*p != NUL) | |
4722 str_arg_l++; /* include invalid conversion specifier | |
4723 unchanged if not at end-of-string */ | |
4724 break; | |
4725 } | |
4726 | |
4727 if (*p != NUL) | |
4728 p++; /* step over the just processed conversion specifier */ | |
4729 | |
4730 /* insert padding to the left as requested by min_field_width; | |
4731 * this does not include the zero padding in case of numerical | |
4732 * conversions*/ | |
4733 if (!justify_left) | |
4734 { | |
4735 /* left padding with blank or zero */ | |
835 | 4736 int pn = (int)(min_field_width - (str_arg_l + number_of_zeros_to_pad)); |
275 | 4737 |
4738 if (pn > 0) | |
272 | 4739 { |
4740 if (str_l < str_m) | |
4741 { | |
4742 size_t avail = str_m - str_l; | |
4743 | |
4744 vim_memset(str + str_l, zero_padding ? '0' : ' ', | |
1883 | 4745 (size_t)pn > avail ? avail |
4746 : (size_t)pn); | |
272 | 4747 } |
275 | 4748 str_l += pn; |
272 | 4749 } |
4750 } | |
4751 | |
4752 /* zero padding as requested by the precision or by the minimal | |
4753 * field width for numeric conversions required? */ | |
330 | 4754 if (number_of_zeros_to_pad == 0) |
272 | 4755 { |
4756 /* will not copy first part of numeric right now, * | |
4757 * force it to be copied later in its entirety */ | |
4758 zero_padding_insertion_ind = 0; | |
4759 } | |
4760 else | |
4761 { | |
4762 /* insert first part of numerics (sign or '0x') before zero | |
4763 * padding */ | |
835 | 4764 int zn = (int)zero_padding_insertion_ind; |
275 | 4765 |
4766 if (zn > 0) | |
272 | 4767 { |
4768 if (str_l < str_m) | |
4769 { | |
4770 size_t avail = str_m - str_l; | |
4771 | |
4772 mch_memmove(str + str_l, str_arg, | |
1883 | 4773 (size_t)zn > avail ? avail |
4774 : (size_t)zn); | |
272 | 4775 } |
275 | 4776 str_l += zn; |
272 | 4777 } |
4778 | |
4779 /* insert zero padding as requested by the precision or min | |
4780 * field width */ | |
835 | 4781 zn = (int)number_of_zeros_to_pad; |
275 | 4782 if (zn > 0) |
272 | 4783 { |
4784 if (str_l < str_m) | |
4785 { | |
4786 size_t avail = str_m-str_l; | |
4787 | |
275 | 4788 vim_memset(str + str_l, '0', |
1883 | 4789 (size_t)zn > avail ? avail |
4790 : (size_t)zn); | |
272 | 4791 } |
275 | 4792 str_l += zn; |
272 | 4793 } |
4794 } | |
4795 | |
4796 /* insert formatted string | |
4797 * (or as-is conversion specifier for unknown conversions) */ | |
4798 { | |
835 | 4799 int sn = (int)(str_arg_l - zero_padding_insertion_ind); |
275 | 4800 |
4801 if (sn > 0) | |
272 | 4802 { |
4803 if (str_l < str_m) | |
4804 { | |
4805 size_t avail = str_m - str_l; | |
4806 | |
4807 mch_memmove(str + str_l, | |
4808 str_arg + zero_padding_insertion_ind, | |
1883 | 4809 (size_t)sn > avail ? avail : (size_t)sn); |
272 | 4810 } |
275 | 4811 str_l += sn; |
272 | 4812 } |
4813 } | |
4814 | |
4815 /* insert right padding */ | |
4816 if (justify_left) | |
4817 { | |
4818 /* right blank padding to the field width */ | |
1619 | 4819 int pn = (int)(min_field_width |
4820 - (str_arg_l + number_of_zeros_to_pad)); | |
275 | 4821 |
4822 if (pn > 0) | |
272 | 4823 { |
4824 if (str_l < str_m) | |
4825 { | |
4826 size_t avail = str_m - str_l; | |
4827 | |
275 | 4828 vim_memset(str + str_l, ' ', |
1883 | 4829 (size_t)pn > avail ? avail |
4830 : (size_t)pn); | |
272 | 4831 } |
275 | 4832 str_l += pn; |
272 | 4833 } |
4834 } | |
4835 } | |
4836 } | |
4837 | |
4838 if (str_m > 0) | |
4839 { | |
437 | 4840 /* make sure the string is nul-terminated even at the expense of |
272 | 4841 * overwriting the last character (shouldn't happen, but just in case) |
4842 * */ | |
4843 str[str_l <= str_m - 1 ? str_l : str_m - 1] = '\0'; | |
4844 } | |
4845 | |
482 | 4846 if (tvs != NULL && tvs[arg_idx - 1].v_type != VAR_UNKNOWN) |
449 | 4847 EMSG(_("E767: Too many arguments to printf()")); |
4848 | |
437 | 4849 /* Return the number of characters formatted (excluding trailing nul |
272 | 4850 * character), that is, the number of characters that would have been |
4851 * written to the buffer if it were large enough. */ | |
4852 return (int)str_l; | |
4853 } | |
4854 | |
4855 #endif /* PROTO */ |