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Updated italian translatio
[midnight-commander.git] / edit / editcmd.c
blobe52cf1728847d423467f6521b4c94d1432e54b17
1 /* editor high level editing commands.
2
3 Copyright (C) 1996, 1997 the Free Software Foundation
4
5 Authors: 1996, 1997 Paul Sheer
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20 02111-1307, USA.
21
22 */
23
24 /* #define PIPE_BLOCKS_SO_READ_BYTE_BY_BYTE */
25
26 #include <config.h>
27 #include <ctype.h>
28
29 #include "edit.h"
30 #include "editlock.h"
31 #include "editcmddef.h"
32 #include "edit-widget.h"
33
34 #include "../src/color.h" /* dialog_colors */
35 #include "../src/tty.h" /* LINES */
36 #include "../src/widget.h" /* listbox_new() */
37 #include "../src/layout.h" /* clr_scr() */
38 #include "../src/main.h" /* mc_home */
39 #include "../src/help.h" /* interactive_display() */
40 #include "../src/key.h" /* XCTRL */
41 #include "../src/dialog.h" /* do_refresh() */
42 #include "../src/wtools.h" /* message() */
43 #include "../src/charsets.h"
44
45 #define edit_get_load_file(f,h) input_dialog (h, _(" Enter file name: "), f)
46 #define edit_get_save_file(f,h) input_dialog (h, _(" Enter file name: "), f)
47
48 struct selection {
49 unsigned char * text;
50 int len;
51 };
52
53 /* globals: */
54
55 /* search and replace: */
56 static int replace_scanf = 0;
57 static int replace_regexp = 0;
58 static int replace_all = 0;
59 static int replace_prompt = 1;
60 static int replace_whole = 0;
61 static int replace_case = 0;
62 static int replace_backwards = 0;
63 static int search_create_bookmark = 0;
64
65 /* queries on a save */
66 int edit_confirm_save = 1;
67
68 #define NUM_REPL_ARGS 64
69 #define MAX_REPL_LEN 1024
70
71 static int edit_save_cmd (WEdit *edit);
72 static unsigned char *edit_get_block (WEdit *edit, long start,
73 long finish, int *l);
74
75 static inline int my_lower_case (int c)
76 {
77 return tolower(c & 0xFF);
78 }
79
80 static char *strcasechr (const unsigned char *s, int c)
81 {
82 for (c = my_lower_case (c); my_lower_case ((int) *s) != c; ++s)
83 if (*s == '\0')
84 return 0;
85 return (char *) s;
86 }
87
88 #ifndef HAVE_MEMMOVE
89 /* for Christophe */
90 static void *memmove (void *dest, const void *src, size_t n)
91 {
92 char *t, *s;
93
94 if (dest <= src) {
95 t = (char *) dest;
96 s = (char *) src;
97 while (n--)
98 *t++ = *s++;
99 } else {
100 t = (char *) dest + n;
101 s = (char *) src + n;
102 while (n--)
103 *--t = *--s;
104 }
105 return dest;
106 }
107 #endif /* !HAVE_MEMMOVE */
108
109 /* #define itoa MY_itoa <---- this line is now in edit.h */
110 static char *
111 MY_itoa (int i)
112 {
113 static char t[14];
114 char *s = t + 13;
115 int j = i;
116 *s-- = 0;
117 do {
118 *s-- = i % 10 + '0';
119 } while ((i = i / 10));
120 if (j < 0)
121 *s-- = '-';
122 return ++s;
123 }
124
125 /* Temporary strings */
126 static char *stacked[16];
127
128 /*
129 This joins strings end on end and allocates memory for the result.
130 The result is later automatically free'd and must not be free'd
131 by the caller.
132 */
133 char *catstrs (const char *first,...)
134 {
135 static int i = 0;
136 va_list ap;
137 int len;
138 char *data;
139
140 if (!first)
141 return 0;
142
143 len = strlen (first);
144 va_start (ap, first);
145
146 while ((data = va_arg (ap, char *)) != 0)
147 len += strlen (data);
148
149 len++;
150
151 i = (i + 1) % 16;
152 g_free (stacked[i]);
153
154 stacked[i] = g_malloc (len);
155 va_end (ap);
156 va_start (ap, first);
157 strcpy (stacked[i], first);
158 while ((data = va_arg (ap, char *)) != 0)
159 strcat (stacked[i], data);
160 va_end (ap);
161
162 return stacked[i];
163 }
164
165 /* Free temporary strings */
166 void freestrs(void)
167 {
168 int i;
169
170 for (i = 0; i < sizeof(stacked) / sizeof(stacked[0]); i++) {
171 g_free (stacked[i]);
172 stacked[i] = NULL;
173 }
174 }
175
176 void edit_help_cmd (WEdit * edit)
177 {
178 interactive_display (NULL, "[Internal File Editor]");
179 edit->force |= REDRAW_COMPLETELY;
180 }
181
182 void edit_refresh_cmd (WEdit * edit)
183 {
184 #ifndef HAVE_SLANG
185 clr_scr();
186 do_refresh();
187 #else
188 {
189 int color;
190 edit_get_syntax_color (edit, -1, &color);
191 }
192 touchwin(stdscr);
193 #endif /* !HAVE_SLANG */
194 mc_refresh();
195 doupdate();
196 }
197
198 /* If 0 (quick save) then a) create/truncate <filename> file,
199 b) save to <filename>;
200 if 1 (safe save) then a) save to <tempnam>,
201 b) rename <tempnam> to <filename>;
202 if 2 (do backups) then a) save to <tempnam>,
203 b) rename <filename> to <filename.backup_ext>,
204 c) rename <tempnam> to <filename>. */
205
206 /* returns 0 on error */
207 static int
208 edit_save_file (WEdit *edit, const char *filename)
209 {
210 char *p;
211 long filelen = 0;
212 char *savename = 0;
213 int this_save_mode, fd;
214
215 if (!filename)
216 return 0;
217 if (!*filename)
218 return 0;
219
220 if (*filename != PATH_SEP && edit->dir) {
221 savename = concat_dir_and_file (edit->dir, filename);
222 filename = catstrs (savename, NULL);
223 g_free (savename);
224 }
225
226 if (!vfs_file_is_local (filename) ||
227 (fd = mc_open (filename, O_WRONLY | O_BINARY)) == -1) {
228 /*
229 * The file does not exists yet, so no safe save or
230 * backup are necessary.
231 */
232 this_save_mode = EDIT_QUICK_SAVE;
233 } else {
234 mc_close (fd);
235 this_save_mode = option_save_mode;
236 }
237
238 if (this_save_mode != EDIT_QUICK_SAVE) {
239 char *savedir, *slashpos, *saveprefix;
240 slashpos = strrchr (filename, PATH_SEP);
241 if (slashpos) {
242 savedir = g_strdup (filename);
243 savedir[slashpos - filename + 1] = '\0';
244 } else
245 savedir = g_strdup (".");
246 saveprefix = concat_dir_and_file (savedir, "cooledit");
247 g_free (savedir);
248 fd = mc_mkstemps (&savename, saveprefix, NULL);
249 g_free (saveprefix);
250 if (!savename)
251 return 0;
252 /* FIXME:
253 * Close for now because mc_mkstemps use pure open system call
254 * to create temporary file and it needs to be reopened by
255 * VFS-aware mc_open().
256 */
257 close (fd);
258 } else
259 savename = g_strdup (filename);
260
261 mc_chown (savename, edit->stat1.st_uid, edit->stat1.st_gid);
262 mc_chmod (savename, edit->stat1.st_mode);
263
264 if ((fd =
265 mc_open (savename, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY,
266 edit->stat1.st_mode)) == -1)
267 goto error_save;
268
269 /* pipe save */
270 if ((p = edit_get_write_filter (savename, filename))) {
271 FILE *file;
272
273 mc_close (fd);
274 file = (FILE *) popen (p, "w");
275
276 if (file) {
277 filelen = edit_write_stream (edit, file);
278 #if 1
279 pclose (file);
280 #else
281 if (pclose (file) != 0) {
282 edit_error_dialog (_("Error"),
283 catstrs (_(" Error writing to pipe: "),
284 p, " ", 0));
285 g_free (p);
286 goto error_save;
287 }
288 #endif
289 } else {
290 edit_error_dialog (_("Error"),
291 get_sys_error (catstrs
292 (_
293 (" Cannot open pipe for writing: "),
294 p, " ", 0)));
295 g_free (p);
296 goto error_save;
297 }
298 g_free (p);
299 } else {
300 long buf;
301 buf = 0;
302 filelen = edit->last_byte;
303 while (buf <= (edit->curs1 >> S_EDIT_BUF_SIZE) - 1) {
304 if (mc_write (fd, (char *) edit->buffers1[buf], EDIT_BUF_SIZE)
305 != EDIT_BUF_SIZE) {
306 mc_close (fd);
307 goto error_save;
308 }
309 buf++;
310 }
311 if (mc_write
312 (fd, (char *) edit->buffers1[buf],
313 edit->curs1 & M_EDIT_BUF_SIZE) !=
314 (edit->curs1 & M_EDIT_BUF_SIZE)) {
315 filelen = -1;
316 } else if (edit->curs2) {
317 edit->curs2--;
318 buf = (edit->curs2 >> S_EDIT_BUF_SIZE);
319 if (mc_write
320 (fd,
321 (char *) edit->buffers2[buf] + EDIT_BUF_SIZE -
322 (edit->curs2 & M_EDIT_BUF_SIZE) - 1,
323 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) !=
324 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) {
325 filelen = -1;
326 } else {
327 while (--buf >= 0) {
328 if (mc_write
329 (fd, (char *) edit->buffers2[buf],
330 EDIT_BUF_SIZE) != EDIT_BUF_SIZE) {
331 filelen = -1;
332 break;
333 }
334 }
335 }
336 edit->curs2++;
337 }
338 if (mc_close (fd))
339 goto error_save;
340 }
341
342 if (filelen != edit->last_byte)
343 goto error_save;
344 if (this_save_mode == EDIT_DO_BACKUP)
345 if (mc_rename (filename, catstrs (filename, option_backup_ext, 0))
346 == -1)
347 goto error_save;
348 if (this_save_mode != EDIT_QUICK_SAVE)
349 if (mc_rename (savename, filename) == -1)
350 goto error_save;
351 g_free (savename);
352 return 1;
353 error_save:
354 /* FIXME: Is this safe ?
355 * if (this_save_mode != EDIT_QUICK_SAVE)
356 * mc_unlink (savename);
357 */
358 g_free (savename);
359 return 0;
360 }
361
362 /*
363 I changed this from Oleg's original routine so
364 that option_backup_ext works with coolwidgets as well. This
365 does mean there is a memory leak - paul.
366 */
367 void menu_save_mode_cmd (void)
368 {
369 #define DLG_X 38
370 #define DLG_Y 10
371 static char *str_result;
372 static int save_mode_new;
373 static char *str[] =
374 {
375 N_("Quick save "),
376 N_("Safe save "),
377 N_("Do backups -->")};
378 static QuickWidget widgets[] =
379 {
380 {quick_button, 18, DLG_X, 7, DLG_Y, N_("&Cancel"), 0,
381 B_CANCEL, 0, 0, "c"},
382 {quick_button, 6, DLG_X, 7, DLG_Y, N_("&OK"), 0,
383 B_ENTER, 0, 0, "o"},
384 {quick_input, 23, DLG_X, 5, DLG_Y, 0, 9,
385 0, 0, &str_result, "edit-backup-ext"},
386 {quick_label, 22, DLG_X, 4, DLG_Y, N_("Extension:"), 0,
387 0, 0, 0, "savemext"},
388 {quick_radio, 4, DLG_X, 3, DLG_Y, "", 3,
389 0, &save_mode_new, str, "t"},
390 {0}};
391 static QuickDialog dialog =
392 {DLG_X, DLG_Y, -1, -1, N_(" Edit Save Mode "), "[Edit Save Mode]",
393 widgets};
394 static int i18n_flag = 0;
395
396 if (!i18n_flag) {
397 int i;
398 int maxlen = 0;
399 int dlg_x;
400 int l1;
401
402 /* OK/Cancel buttons */
403 l1 = strlen (_(widgets[0].text)) + strlen (_(widgets[1].text)) + 5;
404 maxlen = max (maxlen, l1);
405
406 for (i = 0; i < 3; i++ ) {
407 str[i] = _(str[i]);
408 maxlen = max (maxlen, strlen (str[i]) + 7);
409 }
410 i18n_flag = 1;
411
412 dlg_x = maxlen + strlen (_(widgets[3].text)) + 5 + 1;
413 widgets[2].hotkey_pos = strlen (_(widgets[3].text)); /* input field length */
414 dlg_x = min (COLS, dlg_x);
415 dialog.xlen = dlg_x;
416
417 i = (dlg_x - l1)/3;
418 widgets[1].relative_x = i;
419 widgets[0].relative_x = i + strlen (_(widgets[1].text)) + i + 4;
420
421 widgets[2].relative_x = widgets[3].relative_x = maxlen + 2;
422
423 for (i = 0; i < sizeof (widgets)/sizeof (widgets[0]); i++)
424 widgets[i].x_divisions = dlg_x;
425 }
426
427 widgets[2].text = option_backup_ext;
428 widgets[4].value = option_save_mode;
429 if (quick_dialog (&dialog) != B_ENTER)
430 return;
431 option_save_mode = save_mode_new;
432 option_backup_ext = str_result; /* this is a memory leak */
433 option_backup_ext_int = 0;
434 str_result[min (strlen (str_result), sizeof (int))] = '\0';
435 memcpy ((char *) &option_backup_ext_int, str_result, strlen (option_backup_ext));
436 }
437
438 void
439 edit_set_filename (WEdit *edit, const char *f)
440 {
441 if (edit->filename)
442 g_free (edit->filename);
443 if (!f)
444 f = "";
445 edit->filename = g_strdup (f);
446 if (edit->dir == NULL && *f != PATH_SEP)
447 #ifdef USE_VFS
448 edit->dir = g_strdup (vfs_get_current_dir ());
449 #else
450 edit->dir = g_get_current_dir ();
451 #endif
452 }
453
454 /* Here we want to warn the users of overwriting an existing file,
455 but only if they have made a change to the filename */
456 /* returns 1 on success */
457 int
458 edit_save_as_cmd (WEdit *edit)
459 {
460 /* This heads the 'Save As' dialog box */
461 char *exp;
462 int save_lock = 0;
463 int different_filename = 0;
464
465 exp = edit_get_save_file (edit->filename, _(" Save As "));
466 edit_push_action (edit, KEY_PRESS + edit->start_display);
467
468 if (exp) {
469 if (!*exp) {
470 g_free (exp);
471 edit->force |= REDRAW_COMPLETELY;
472 return 0;
473 } else {
474 if (strcmp (edit->filename, exp)) {
475 int file;
476 different_filename = 1;
477 if ((file = mc_open (exp, O_RDONLY | O_BINARY)) != -1) {
478 /* the file exists */
479 mc_close (file);
480 /* Overwrite the current file or cancel the operation */
481 if (edit_query_dialog2
482 (_("Warning"),
483 _(" A file already exists with this name. "),
484 _("Overwrite"), _("Cancel"))) {
485 edit->force |= REDRAW_COMPLETELY;
486 g_free (exp);
487 return 0;
488 }
489 }
490 save_lock = edit_lock_file (exp);
491 } else {
492 /* filenames equal, check if already locked */
493 if (!edit->locked && !edit->delete_file)
494 save_lock = edit_lock_file (exp);
495 }
496
497 if (edit_save_file (edit, exp)) {
498 /* Succesful, so unlock both files */
499 if (strcmp (edit->filename, exp)) {
500 if (save_lock)
501 edit_unlock_file (exp);
502 if (edit->locked)
503 edit->locked = edit_unlock_file (edit->filename);
504 } else {
505 if (edit->locked || save_lock)
506 edit->locked = edit_unlock_file (edit->filename);
507 }
508
509 edit_set_filename (edit, exp);
510 g_free (exp);
511 edit->modified = 0;
512 edit->delete_file = 0;
513 if (different_filename)
514 edit_load_syntax (edit, 0, 0);
515 edit->force |= REDRAW_COMPLETELY;
516 return 1;
517 } else {
518 /* Failed, so maintain modify (not save) lock */
519 if (strcmp (edit->filename, exp) && save_lock)
520 edit_unlock_file (exp);
521 if (save_lock)
522 edit->locked = edit_unlock_file (edit->filename);
523 g_free (exp);
524 edit_error_dialog (_(" Save As "),
525 get_sys_error (_
526 (" Cannot save file. ")));
527 edit->force |= REDRAW_COMPLETELY;
528 return 0;
529 }
530 }
531 }
532 edit->force |= REDRAW_COMPLETELY;
533 return 0;
534 }
535
536 /* {{{ Macro stuff starts here */
537
538 static cb_ret_t
539 raw_callback (struct Dlg_head *h, dlg_msg_t msg, int parm)
540 {
541 switch (msg) {
542 case DLG_KEY:
543 h->running = 0;
544 h->ret_value = parm;
545 return MSG_HANDLED;
546 default:
547 return default_dlg_callback (h, msg, parm);
548 }
549 }
550
551 /* gets a raw key from the keyboard. Passing cancel = 1 draws
552 a cancel button thus allowing c-c etc. Alternatively, cancel = 0
553 will return the next key pressed. ctrl-a (=B_CANCEL), ctrl-g, ctrl-c,
554 and Esc are cannot returned */
555 int
556 edit_raw_key_query (char *heading, char *query, int cancel)
557 {
558 int w = strlen (query) + 7;
559 struct Dlg_head *raw_dlg =
560 create_dlg (0, 0, 7, w, dialog_colors, raw_callback,
561 NULL, heading,
562 DLG_CENTER | DLG_TRYUP | DLG_WANT_TAB);
563 add_widget (raw_dlg,
564 input_new (3 - cancel, w - 5, INPUT_COLOR, 2, "", 0));
565 add_widget (raw_dlg, label_new (3 - cancel, 2, query));
566 if (cancel)
567 add_widget (raw_dlg,
568 button_new (4, w / 2 - 5, B_CANCEL, NORMAL_BUTTON,
569 _("Cancel"), 0));
570 run_dlg (raw_dlg);
571 w = raw_dlg->ret_value;
572 destroy_dlg (raw_dlg);
573 if (cancel) {
574 if (w == XCTRL ('g') || w == XCTRL ('c') || w == ESC_CHAR
575 || w == B_CANCEL)
576 return 0;
577 }
578
579 return w;
580 }
581
582 /* creates a macro file if it doesn't exist */
583 static FILE *edit_open_macro_file (const char *r)
584 {
585 char *filename;
586 int file;
587 filename = catstrs (home_dir, MACRO_FILE, 0);
588 if ((file = open (filename, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) == -1)
589 return 0;
590 close (file);
591 return fopen (filename, r);
592 }
593
594 #define MAX_MACROS 1024
595 static int saved_macro[MAX_MACROS + 1];
596 static int saved_macros_loaded = 0;
597
598 /*
599 This is just to stop the macro file be loaded over and over for keys
600 that aren't defined to anything. On slow systems this could be annoying.
601 */
602 static int
603 macro_exists (int k)
604 {
605 int i;
606 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++)
607 if (saved_macro[i] == k)
608 return i;
609 return -1;
610 }
611
612 /* returns 1 on error */
613 static int
614 edit_delete_macro (WEdit * edit, int k)
615 {
616 struct macro macro[MAX_MACRO_LENGTH];
617 FILE *f, *g;
618 int s, i, n, j = 0;
619
620 if (saved_macros_loaded)
621 if ((j = macro_exists (k)) < 0)
622 return 0;
623 g = fopen (catstrs (home_dir, TEMP_FILE, 0), "w");
624 if (!g) {
625 /* This heads the delete macro error dialog box */
626 edit_error_dialog (_(" Delete macro "),
627 /* 'Open' = load temp file */
628 get_sys_error (_(" Cannot open temp file ")));
629 return 1;
630 }
631 f = edit_open_macro_file ("r");
632 if (!f) {
633 /* This heads the delete macro error dialog box */
634 edit_error_dialog (_(" Delete macro "),
635 /* 'Open' = load temp file */
636 get_sys_error (_(" Cannot open macro file ")));
637 fclose (g);
638 return 1;
639 }
640 for (;;) {
641 n = fscanf (f, ("key '%d 0': "), &s);
642 if (!n || n == EOF)
643 break;
644 n = 0;
645 while (fscanf (f, "%hd %hd, ", &macro[n].command, &macro[n].ch))
646 n++;
647 fscanf (f, ";\n");
648 if (s != k) {
649 fprintf (g, ("key '%d 0': "), s);
650 for (i = 0; i < n; i++)
651 fprintf (g, "%hd %hd, ", macro[i].command, macro[i].ch);
652 fprintf (g, ";\n");
653 }
654 }
655 fclose (f);
656 fclose (g);
657 if (rename (catstrs (home_dir, TEMP_FILE, 0), catstrs (home_dir, MACRO_FILE, 0)) == -1) {
658 /* This heads the delete macro error dialog box */
659 edit_error_dialog (_(" Delete macro "),
660 get_sys_error (_(" Cannot overwrite macro file ")));
661 return 1;
662 }
663 if (saved_macros_loaded)
664 memmove (saved_macro + j, saved_macro + j + 1, sizeof (int) * (MAX_MACROS - j - 1));
665 return 0;
666 }
667
668 /* returns 0 on error */
669 int edit_save_macro_cmd (WEdit * edit, struct macro macro[], int n)
670 {
671 FILE *f;
672 int s, i;
673
674 edit_push_action (edit, KEY_PRESS + edit->start_display);
675 /* This heads the 'Macro' dialog box */
676 s = edit_raw_key_query (_(" Save macro "),
677 /* Input line for a single key press follows the ':' */
678 _(" Press the macro's new hotkey: "), 1);
679 edit->force |= REDRAW_COMPLETELY;
680 if (s) {
681 if (edit_delete_macro (edit, s))
682 return 0;
683 f = edit_open_macro_file ("a+");
684 if (f) {
685 fprintf (f, ("key '%d 0': "), s);
686 for (i = 0; i < n; i++)
687 fprintf (f, "%hd %hd, ", macro[i].command, macro[i].ch);
688 fprintf (f, ";\n");
689 fclose (f);
690 if (saved_macros_loaded) {
691 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++);
692 saved_macro[i] = s;
693 }
694 return 1;
695 } else
696 /* This heads the 'Save Macro' dialog box */
697 edit_error_dialog (_(" Save macro "), get_sys_error (_(" Cannot open macro file ")));
698 }
699 return 0;
700 }
701
702 void edit_delete_macro_cmd (WEdit * edit)
703 {
704 int command;
705
706 command = edit_raw_key_query (_ (" Delete macro "),
707 _ (" Press macro hotkey: "), 1);
708
709 if (!command)
710 return;
711
712 edit_delete_macro (edit, command);
713 }
714
715 /* return 0 on error */
716 int edit_load_macro_cmd (WEdit * edit, struct macro macro[], int *n, int k)
717 {
718 FILE *f;
719 int s, i = 0, found = 0;
720
721 if (saved_macros_loaded)
722 if (macro_exists (k) < 0)
723 return 0;
724
725 if ((f = edit_open_macro_file ("r"))) {
726 struct macro dummy;
727 do {
728 int u;
729 u = fscanf (f, ("key '%d 0': "), &s);
730 if (!u || u == EOF)
731 break;
732 if (!saved_macros_loaded)
733 saved_macro[i++] = s;
734 if (!found) {
735 *n = 0;
736 while (*n < MAX_MACRO_LENGTH && 2 == fscanf (f, "%hd %hd, ", &macro[*n].command, &macro[*n].ch))
737 (*n)++;
738 } else {
739 while (2 == fscanf (f, "%hd %hd, ", &dummy.command, &dummy.ch));
740 }
741 fscanf (f, ";\n");
742 if (s == k)
743 found = 1;
744 } while (!found || !saved_macros_loaded);
745 if (!saved_macros_loaded) {
746 saved_macro[i] = 0;
747 saved_macros_loaded = 1;
748 }
749 fclose (f);
750 return found;
751 } else
752 /* This heads the 'Load Macro' dialog box */
753 edit_error_dialog (_(" Load macro "),
754 get_sys_error (_(" Cannot open macro file ")));
755 return 0;
756 }
757
758 /* }}} Macro stuff starts here */
759
760 /* returns 1 on success */
761 int edit_save_confirm_cmd (WEdit * edit)
762 {
763 char *f;
764
765 if (edit_confirm_save) {
766 f = catstrs (_(" Confirm save file? : "), edit->filename, " ", 0);
767 /* Buttons to 'Confirm save file' query */
768 if (edit_query_dialog2 (_(" Save file "), f, _("Save"), _("Cancel")))
769 return 0;
770 }
771 return edit_save_cmd (edit);
772 }
773
774
775 /* returns 1 on success */
776 static int
777 edit_save_cmd (WEdit *edit)
778 {
779 int res, save_lock = 0;
780
781 if (!edit->locked && !edit->delete_file)
782 save_lock = edit_lock_file (edit->filename);
783 res = edit_save_file (edit, edit->filename);
784
785 /* Maintain modify (not save) lock on failure */
786 if ((res && edit->locked) || save_lock)
787 edit->locked = edit_unlock_file (edit->filename);
788
789 /* On failure try 'save as', it does locking on its own */
790 if (!res)
791 return edit_save_as_cmd (edit);
792 edit->force |= REDRAW_COMPLETELY;
793 edit->delete_file = 0;
794 edit->modified = 0;
795
796 return 1;
797 }
798
799
800 /* returns 1 on success */
801 int edit_new_cmd (WEdit * edit)
802 {
803 if (edit->modified) {
804 if (edit_query_dialog2 (_ ("Warning"), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("Continue"), _ ("Cancel"))) {
805 edit->force |= REDRAW_COMPLETELY;
806 return 0;
807 }
808 }
809 edit->force |= REDRAW_COMPLETELY;
810
811 if (edit->locked)
812 edit->locked = edit_unlock_file (edit->filename);
813 return edit_renew (edit); /* if this gives an error, something has really screwed up */
814 }
815
816 /* returns 1 on error */
817 static int
818 edit_load_file_from_filename (WEdit * edit, char *exp)
819 {
820 int prev_locked = edit->locked;
821 char *prev_filename = g_strdup (edit->filename);
822
823 if (!edit_reload (edit, exp)) {
824 g_free (prev_filename);
825 return 1;
826 }
827
828 if (prev_locked)
829 edit_unlock_file (prev_filename);
830 g_free (prev_filename);
831 return 0;
832 }
833
834 int
835 edit_load_cmd (WEdit *edit)
836 {
837 char *exp;
838
839 if (edit->modified) {
840 if (edit_query_dialog2
841 (_("Warning"),
842 _(" Current text was modified without a file save. \n"
843 " Continue discards these changes. "), _("Continue"),
844 _("Cancel"))) {
845 edit->force |= REDRAW_COMPLETELY;
846 return 0;
847 }
848 }
849
850 exp = edit_get_load_file (edit->filename, _(" Load "));
851
852 if (exp) {
853 if (*exp)
854 edit_load_file_from_filename (edit, exp);
855 g_free (exp);
856 }
857 edit->force |= REDRAW_COMPLETELY;
858 return 0;
859 }
860
861 /*
862 if mark2 is -1 then marking is from mark1 to the cursor.
863 Otherwise its between the markers. This handles this.
864 Returns 1 if no text is marked.
865 */
866 int eval_marks (WEdit * edit, long *start_mark, long *end_mark)
867 {
868 if (edit->mark1 != edit->mark2) {
869 if (edit->mark2 >= 0) {
870 *start_mark = min (edit->mark1, edit->mark2);
871 *end_mark = max (edit->mark1, edit->mark2);
872 } else {
873 *start_mark = min (edit->mark1, edit->curs1);
874 *end_mark = max (edit->mark1, edit->curs1);
875 edit->column2 = edit->curs_col;
876 }
877 return 0;
878 } else {
879 *start_mark = *end_mark = 0;
880 edit->column2 = edit->column1 = 0;
881 return 1;
882 }
883 }
884
885 #define space_width 1
886
887 static void
888 edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width)
889 {
890 long cursor;
891 int i, col;
892 cursor = edit->curs1;
893 col = edit_get_col (edit);
894 for (i = 0; i < size; i++) {
895 if (data[i] == '\n') { /* fill in and move to next line */
896 int l;
897 long p;
898 if (edit_get_byte (edit, edit->curs1) != '\n') {
899 l = width - (edit_get_col (edit) - col);
900 while (l > 0) {
901 edit_insert (edit, ' ');
902 l -= space_width;
903 }
904 }
905 for (p = edit->curs1;; p++) {
906 if (p == edit->last_byte) {
907 edit_cursor_move (edit, edit->last_byte - edit->curs1);
908 edit_insert_ahead (edit, '\n');
909 p++;
910 break;
911 }
912 if (edit_get_byte (edit, p) == '\n') {
913 p++;
914 break;
915 }
916 }
917 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
918 l = col - edit_get_col (edit);
919 while (l >= space_width) {
920 edit_insert (edit, ' ');
921 l -= space_width;
922 }
923 continue;
924 }
925 edit_insert (edit, data[i]);
926 }
927 edit_cursor_move (edit, cursor - edit->curs1);
928 }
929
930
931 void
932 edit_block_copy_cmd (WEdit *edit)
933 {
934 long start_mark, end_mark, current = edit->curs1;
935 int size, x;
936 unsigned char *copy_buf;
937
938 edit_update_curs_col (edit);
939 x = edit->curs_col;
940 if (eval_marks (edit, &start_mark, &end_mark))
941 return;
942 if (column_highlighting)
943 if ((x >= edit->column1 && x < edit->column2)
944 || (x > edit->column2 && x <= edit->column1))
945 return;
946
947 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
948
949 /* all that gets pushed are deletes hence little space is used on the stack */
950
951 edit_push_markers (edit);
952
953 if (column_highlighting) {
954 edit_insert_column_of_text (edit, copy_buf, size,
955 abs (edit->column2 - edit->column1));
956 } else {
957 while (size--)
958 edit_insert_ahead (edit, copy_buf[size]);
959 }
960
961 g_free (copy_buf);
962 edit_scroll_screen_over_cursor (edit);
963
964 if (column_highlighting) {
965 edit_set_markers (edit, 0, 0, 0, 0);
966 edit_push_action (edit, COLUMN_ON);
967 column_highlighting = 0;
968 } else if (start_mark < current && end_mark > current)
969 edit_set_markers (edit, start_mark,
970 end_mark + end_mark - start_mark, 0, 0);
971
972 edit->force |= REDRAW_PAGE;
973 }
974
975
976 void
977 edit_block_move_cmd (WEdit *edit)
978 {
979 long count;
980 long current;
981 unsigned char *copy_buf;
982 long start_mark, end_mark;
983 int deleted = 0;
984 int x = 0;
985
986 if (eval_marks (edit, &start_mark, &end_mark))
987 return;
988 if (column_highlighting) {
989 edit_update_curs_col (edit);
990 x = edit->curs_col;
991 if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
992 if ((x > edit->column1 && x < edit->column2)
993 || (x > edit->column2 && x < edit->column1))
994 return;
995 } else if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
996 return;
997
998 if ((end_mark - start_mark) > option_max_undo / 2)
999 if (edit_query_dialog2
1000 (_("Warning"),
1001 _
1002 (" Block is large, you may not be able to undo this action. "),
1003 _("Continue"), _("Cancel")))
1004 return;
1005
1006 edit_push_markers (edit);
1007 current = edit->curs1;
1008 if (column_highlighting) {
1009 int size, c1, c2, line;
1010 line = edit->curs_line;
1011 if (edit->mark2 < 0)
1012 edit_mark_cmd (edit, 0);
1013 c1 = min (edit->column1, edit->column2);
1014 c2 = max (edit->column1, edit->column2);
1015 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
1016 if (x < c2) {
1017 edit_block_delete_cmd (edit);
1018 deleted = 1;
1019 }
1020 edit_move_to_line (edit, line);
1021 edit_cursor_move (edit,
1022 edit_move_forward3 (edit,
1023 edit_bol (edit, edit->curs1),
1024 x, 0) - edit->curs1);
1025 edit_insert_column_of_text (edit, copy_buf, size, c2 - c1);
1026 if (!deleted) {
1027 line = edit->curs_line;
1028 edit_update_curs_col (edit);
1029 x = edit->curs_col;
1030 edit_block_delete_cmd (edit);
1031 edit_move_to_line (edit, line);
1032 edit_cursor_move (edit,
1033 edit_move_forward3 (edit,
1034 edit_bol (edit,
1035 edit->curs1),
1036 x, 0) - edit->curs1);
1037 }
1038 edit_set_markers (edit, 0, 0, 0, 0);
1039 edit_push_action (edit, COLUMN_ON);
1040 column_highlighting = 0;
1041 } else {
1042 copy_buf = g_malloc (end_mark - start_mark);
1043 edit_cursor_move (edit, start_mark - edit->curs1);
1044 edit_scroll_screen_over_cursor (edit);
1045 count = start_mark;
1046 while (count < end_mark) {
1047 copy_buf[end_mark - count - 1] = edit_delete (edit);
1048 count++;
1049 }
1050 edit_scroll_screen_over_cursor (edit);
1051 edit_cursor_move (edit,
1052 current - edit->curs1 -
1053 (((current - edit->curs1) >
1054 0) ? end_mark - start_mark : 0));
1055 edit_scroll_screen_over_cursor (edit);
1056 while (count-- > start_mark)
1057 edit_insert_ahead (edit, copy_buf[end_mark - count - 1]);
1058 edit_set_markers (edit, edit->curs1,
1059 edit->curs1 + end_mark - start_mark, 0, 0);
1060 }
1061 edit_scroll_screen_over_cursor (edit);
1062 g_free (copy_buf);
1063 edit->force |= REDRAW_PAGE;
1064 }
1065
1066 static void
1067 edit_delete_column_of_text (WEdit * edit)
1068 {
1069 long p, q, r, m1, m2;
1070 int b, c, d;
1071 int n;
1072
1073 eval_marks (edit, &m1, &m2);
1074 n = edit_move_forward (edit, m1, 0, m2) + 1;
1075 c = edit_move_forward3 (edit, edit_bol (edit, m1), 0, m1);
1076 d = edit_move_forward3 (edit, edit_bol (edit, m2), 0, m2);
1077
1078 b = min (c, d);
1079 c = max (c, d);
1080
1081 while (n--) {
1082 r = edit_bol (edit, edit->curs1);
1083 p = edit_move_forward3 (edit, r, b, 0);
1084 q = edit_move_forward3 (edit, r, c, 0);
1085 if (p < m1)
1086 p = m1;
1087 if (q > m2)
1088 q = m2;
1089 edit_cursor_move (edit, p - edit->curs1);
1090 while (q > p) { /* delete line between margins */
1091 if (edit_get_byte (edit, edit->curs1) != '\n')
1092 edit_delete (edit);
1093 q--;
1094 }
1095 if (n) /* move to next line except on the last delete */
1096 edit_cursor_move (edit, edit_move_forward (edit, edit->curs1, 1, 0) - edit->curs1);
1097 }
1098 }
1099
1100 /* if success return 0 */
1101 static int
1102 edit_block_delete (WEdit *edit)
1103 {
1104 long count;
1105 long start_mark, end_mark;
1106 if (eval_marks (edit, &start_mark, &end_mark))
1107 return 0;
1108 if (column_highlighting && edit->mark2 < 0)
1109 edit_mark_cmd (edit, 0);
1110 if ((end_mark - start_mark) > option_max_undo / 2) {
1111 /* Warning message with a query to continue or cancel the operation */
1112 if (edit_query_dialog2
1113 (_("Warning"),
1114 _
1115 (" Block is large, you may not be able to undo this action. "),
1116 _("Continue"), _("Cancel"))) {
1117 return 1;
1118 }
1119 }
1120 edit_push_markers (edit);
1121 edit_cursor_move (edit, start_mark - edit->curs1);
1122 edit_scroll_screen_over_cursor (edit);
1123 count = start_mark;
1124 if (start_mark < end_mark) {
1125 if (column_highlighting) {
1126 if (edit->mark2 < 0)
1127 edit_mark_cmd (edit, 0);
1128 edit_delete_column_of_text (edit);
1129 } else {
1130 while (count < end_mark) {
1131 edit_delete (edit);
1132 count++;
1133 }
1134 }
1135 }
1136 edit_set_markers (edit, 0, 0, 0, 0);
1137 edit->force |= REDRAW_PAGE;
1138 return 0;
1139 }
1140
1141 /* returns 1 if canceelled by user */
1142 int edit_block_delete_cmd (WEdit * edit)
1143 {
1144 long start_mark, end_mark;
1145 if (eval_marks (edit, &start_mark, &end_mark)) {
1146 edit_delete_line (edit);
1147 return 0;
1148 }
1149 return edit_block_delete (edit);
1150 }
1151
1152
1153 #define INPUT_INDEX 9
1154 #define SEARCH_DLG_WIDTH 58
1155 #define SEARCH_DLG_HEIGHT 10
1156 #define REPLACE_DLG_WIDTH 58
1157 #define REPLACE_DLG_HEIGHT 15
1158 #define CONFIRM_DLG_WIDTH 79
1159 #define CONFIRM_DLG_HEIGTH 6
1160 #define B_REPLACE_ALL (B_USER+1)
1161 #define B_REPLACE_ONE (B_USER+2)
1162 #define B_SKIP_REPLACE (B_USER+3)
1163
1164 static int
1165 edit_replace_prompt (WEdit * edit, char *replace_text, int xpos, int ypos)
1166 {
1167 QuickWidget quick_widgets[] =
1168 {
1169 {quick_button, 63, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Cancel"),
1170 0, B_CANCEL, 0, 0, NULL},
1171 {quick_button, 50, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("O&ne"),
1172 0, B_REPLACE_ONE, 0, 0, NULL},
1173 {quick_button, 37, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("A&ll"),
1174 0, B_REPLACE_ALL, 0, 0, NULL},
1175 {quick_button, 21, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Skip"),
1176 0, B_SKIP_REPLACE, 0, 0, NULL},
1177 {quick_button, 4, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Replace"),
1178 0, B_ENTER, 0, 0, NULL},
1179 {quick_label, 2, CONFIRM_DLG_WIDTH, 2, CONFIRM_DLG_HEIGTH, 0,
1180 0, 0, 0, 0, 0},
1181 {0}};
1182
1183 #ifdef HAVE_CHARSET
1184 char *msg = _(" Replace with: ");
1185
1186 quick_widgets[5].text = catstrs (msg, replace_text, 0);
1187
1188 if (*replace_text)
1189 convert_to_display (quick_widgets[5].text + strlen (msg));
1190 #else
1191 quick_widgets[5].text = catstrs (_ (" Replace with: "), replace_text, 0);
1192 #endif /* !HAVE_CHARSET */
1193
1194 {
1195 QuickDialog Quick_input =
1196 {CONFIRM_DLG_WIDTH, CONFIRM_DLG_HEIGTH, 0, 0, N_ (" Confirm replace "),
1197 "[Input Line Keys]", 0 /*quick_widgets */ };
1198
1199 Quick_input.widgets = quick_widgets;
1200
1201 Quick_input.xpos = xpos;
1202
1203 /* Sometimes menu can hide replaced text. I don't like it */
1204
1205 if ((edit->curs_row >= ypos - 1) && (edit->curs_row <= ypos + CONFIRM_DLG_HEIGTH - 1))
1206 ypos -= CONFIRM_DLG_HEIGTH;
1207
1208 Quick_input.ypos = ypos;
1209 return quick_dialog (&Quick_input);
1210 }
1211 }
1212
1213 static void
1214 edit_replace_dialog (WEdit * edit, char **search_text, char **replace_text, char **arg_order)
1215 {
1216 int treplace_scanf = replace_scanf;
1217 int treplace_regexp = replace_regexp;
1218 int treplace_all = replace_all;
1219 int treplace_prompt = replace_prompt;
1220 int treplace_backwards = replace_backwards;
1221 int treplace_whole = replace_whole;
1222 int treplace_case = replace_case;
1223
1224 QuickWidget quick_widgets[] =
1225 {
1226 {quick_button, 6, 10, 12, REPLACE_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
1227 0, NULL},
1228 {quick_button, 2, 10, 12, REPLACE_DLG_HEIGHT, N_("&OK"), 0, B_ENTER, 0,
1229 0, NULL},
1230 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("scanf &Expression"), 0, 0,
1231 0, 0, NULL},
1232 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("replace &All"), 0, 0,
1233 0, 0, NULL},
1234 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("pr&Ompt on replace"), 0, 0,
1235 0, 0, NULL},
1236 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("&Backwards"), 0, 0,
1237 0, 0, NULL},
1238 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("&Regular expression"), 0, 0,
1239 0, 0, NULL},
1240 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("&Whole words only"), 0, 0,
1241 0, 0, NULL},
1242 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 8, REPLACE_DLG_HEIGHT, N_("case &Sensitive"), 0, 0,
1243 0, 0, NULL},
1244 {quick_input, 3, REPLACE_DLG_WIDTH, 7, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1245 0, "edit-argord"},
1246 {quick_label, 2, REPLACE_DLG_WIDTH, 6, REPLACE_DLG_HEIGHT, N_(" Enter replacement argument order eg. 3,2,1,4 "), 0, 0,
1247 0, 0, 0},
1248 {quick_input, 3, REPLACE_DLG_WIDTH, 5, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1249 0, "edit-replace"},
1250 {quick_label, 2, REPLACE_DLG_WIDTH, 4, REPLACE_DLG_HEIGHT, N_(" Enter replacement string:"), 0, 0, 0,
1251 0, 0},
1252 {quick_input, 3, REPLACE_DLG_WIDTH, 3, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1253 0, "edit-search"},
1254 {quick_label, 2, REPLACE_DLG_WIDTH, 2, REPLACE_DLG_HEIGHT, N_(" Enter search string:"), 0, 0, 0,
1255 0, 0},
1256 {0}};
1257
1258 quick_widgets[2].result = &treplace_scanf;
1259 quick_widgets[3].result = &treplace_all;
1260 quick_widgets[4].result = &treplace_prompt;
1261 quick_widgets[5].result = &treplace_backwards;
1262 quick_widgets[6].result = &treplace_regexp;
1263 quick_widgets[7].result = &treplace_whole;
1264 quick_widgets[8].result = &treplace_case;
1265 quick_widgets[9].str_result = arg_order;
1266 quick_widgets[9].text = *arg_order;
1267 quick_widgets[11].str_result = replace_text;
1268 quick_widgets[11].text = *replace_text;
1269 quick_widgets[13].str_result = search_text;
1270 quick_widgets[13].text = *search_text;
1271 {
1272 QuickDialog Quick_input =
1273 {REPLACE_DLG_WIDTH, REPLACE_DLG_HEIGHT, -1, 0, N_(" Replace "),
1274 "[Input Line Keys]", 0 /*quick_widgets */ };
1275
1276 Quick_input.widgets = quick_widgets;
1277
1278 if (quick_dialog (&Quick_input) != B_CANCEL) {
1279 replace_scanf = treplace_scanf;
1280 replace_backwards = treplace_backwards;
1281 replace_regexp = treplace_regexp;
1282 replace_all = treplace_all;
1283 replace_prompt = treplace_prompt;
1284 replace_whole = treplace_whole;
1285 replace_case = treplace_case;
1286 return;
1287 } else {
1288 *arg_order = NULL;
1289 *replace_text = NULL;
1290 *search_text = NULL;
1291 return;
1292 }
1293 }
1294 }
1295
1296
1297 static void
1298 edit_search_dialog (WEdit * edit, char **search_text)
1299 {
1300 int treplace_scanf = replace_scanf;
1301 int treplace_regexp = replace_regexp;
1302 int treplace_whole = replace_whole;
1303 int treplace_case = replace_case;
1304 int treplace_backwards = replace_backwards;
1305
1306 QuickWidget quick_widgets[] =
1307 {
1308 {quick_button, 6, 10, 7, SEARCH_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
1309 0, NULL},
1310 {quick_button, 2, 10, 7, SEARCH_DLG_HEIGHT, N_("&OK"), 0, B_ENTER, 0,
1311 0, NULL},
1312 {quick_checkbox, 33, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("scanf &Expression"), 0, 0,
1313 0, 0, NULL },
1314 {quick_checkbox, 33, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("&Backwards"), 0, 0,
1315 0, 0, NULL},
1316 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("&Regular expression"), 0, 0,
1317 0, 0, NULL},
1318 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("&Whole words only"), 0, 0,
1319 0, 0, NULL},
1320 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 4, SEARCH_DLG_HEIGHT, N_("case &Sensitive"), 0, 0,
1321 0, 0, NULL},
1322 {quick_input, 3, SEARCH_DLG_WIDTH, 3, SEARCH_DLG_HEIGHT, "", 52, 0, 0,
1323 0, "edit-search"},
1324 {quick_label, 2, SEARCH_DLG_WIDTH, 2, SEARCH_DLG_HEIGHT, N_(" Enter search string:"), 0, 0, 0,
1325 0, 0},
1326 {0}};
1327
1328 quick_widgets[2].result = &treplace_scanf;
1329 quick_widgets[3].result = &treplace_backwards;
1330 quick_widgets[4].result = &treplace_regexp;
1331 quick_widgets[5].result = &treplace_whole;
1332 quick_widgets[6].result = &treplace_case;
1333 quick_widgets[7].str_result = search_text;
1334 quick_widgets[7].text = *search_text;
1335
1336 {
1337 QuickDialog Quick_input =
1338 {SEARCH_DLG_WIDTH, SEARCH_DLG_HEIGHT, -1, 0, N_("Search"),
1339 "[Input Line Keys]", 0 /*quick_widgets */ };
1340
1341 Quick_input.widgets = quick_widgets;
1342
1343 if (quick_dialog (&Quick_input) != B_CANCEL) {
1344 replace_scanf = treplace_scanf;
1345 replace_backwards = treplace_backwards;
1346 replace_regexp = treplace_regexp;
1347 replace_whole = treplace_whole;
1348 replace_case = treplace_case;
1349 } else {
1350 *search_text = NULL;
1351 }
1352 }
1353 }
1354
1355
1356 static long sargs[NUM_REPL_ARGS][256 / sizeof (long)];
1357
1358 #define SCANF_ARGS sargs[0], sargs[1], sargs[2], sargs[3], \
1359 sargs[4], sargs[5], sargs[6], sargs[7], \
1360 sargs[8], sargs[9], sargs[10], sargs[11], \
1361 sargs[12], sargs[13], sargs[14], sargs[15]
1362
1363 #define PRINTF_ARGS sargs[argord[0]], sargs[argord[1]], sargs[argord[2]], sargs[argord[3]], \
1364 sargs[argord[4]], sargs[argord[5]], sargs[argord[6]], sargs[argord[7]], \
1365 sargs[argord[8]], sargs[argord[9]], sargs[argord[10]], sargs[argord[11]], \
1366 sargs[argord[12]], sargs[argord[13]], sargs[argord[14]], sargs[argord[15]]
1367
1368
1369 /* This function is a modification of mc-3.2.10/src/view.c:regexp_view_search() */
1370 /* returns -3 on error in pattern, -1 on not found, found_len = 0 if either */
1371 static int
1372 string_regexp_search (char *pattern, char *string, int len, int match_type,
1373 int match_bol, int icase, int *found_len, void *d)
1374 {
1375 static regex_t r;
1376 static char *old_pattern = NULL;
1377 static int old_type, old_icase;
1378 regmatch_t *pmatch;
1379 static regmatch_t s[1];
1380
1381 pmatch = (regmatch_t *) d;
1382 if (!pmatch)
1383 pmatch = s;
1384
1385 if (!old_pattern || strcmp (old_pattern, pattern)
1386 || old_type != match_type || old_icase != icase) {
1387 if (old_pattern) {
1388 regfree (&r);
1389 g_free (old_pattern);
1390 old_pattern = 0;
1391 }
1392 if (regcomp (&r, pattern, REG_EXTENDED | (icase ? REG_ICASE : 0))) {
1393 *found_len = 0;
1394 return -3;
1395 }
1396 old_pattern = g_strdup (pattern);
1397 old_type = match_type;
1398 old_icase = icase;
1399 }
1400 if (regexec
1401 (&r, string, d ? NUM_REPL_ARGS : 1, pmatch,
1402 ((match_bol
1403 || match_type != match_normal) ? 0 : REG_NOTBOL)) != 0) {
1404 *found_len = 0;
1405 return -1;
1406 }
1407 *found_len = pmatch[0].rm_eo - pmatch[0].rm_so;
1408 return (pmatch[0].rm_so);
1409 }
1410
1411 /* thanks to Liviu Daia <daia@stoilow.imar.ro> for getting this
1412 (and the above) routines to work properly - paul */
1413
1414 static long
1415 edit_find_string (long start, unsigned char *exp, int *len, long last_byte, int (*get_byte) (void *, long), void *data, int once_only, void *d)
1416 {
1417 long p, q = 0;
1418 long l = strlen ((char *) exp), f = 0;
1419 int n = 0;
1420
1421 for (p = 0; p < l; p++) /* count conversions... */
1422 if (exp[p] == '%')
1423 if (exp[++p] != '%') /* ...except for "%%" */
1424 n++;
1425
1426 if (replace_scanf || replace_regexp) {
1427 int c;
1428 unsigned char *buf;
1429 unsigned char mbuf[MAX_REPL_LEN * 2 + 3];
1430
1431 replace_scanf = (!replace_regexp); /* can't have both */
1432
1433 buf = mbuf;
1434
1435 if (replace_scanf) {
1436 unsigned char e[MAX_REPL_LEN];
1437 if (n >= NUM_REPL_ARGS)
1438 return -3;
1439
1440 if (replace_case) {
1441 for (p = start; p < last_byte && p < start + MAX_REPL_LEN; p++)
1442 buf[p - start] = (*get_byte) (data, p);
1443 } else {
1444 for (p = 0; exp[p] != 0; p++)
1445 exp[p] = my_lower_case (exp[p]);
1446 for (p = start; p < last_byte && p < start + MAX_REPL_LEN; p++) {
1447 c = (*get_byte) (data, p);
1448 buf[p - start] = my_lower_case (c);
1449 }
1450 }
1451
1452 buf[(q = p - start)] = 0;
1453 strcpy ((char *) e, (char *) exp);
1454 strcat ((char *) e, "%n");
1455 exp = e;
1456
1457 while (q) {
1458 *((int *) sargs[n]) = 0; /* --> here was the problem - now fixed: good */
1459 if (n == sscanf ((char *) buf, (char *) exp, SCANF_ARGS)) {
1460 if (*((int *) sargs[n])) {
1461 *len = *((int *) sargs[n]);
1462 return start;
1463 }
1464 }
1465 if (once_only)
1466 return -2;
1467 if (q + start < last_byte) {
1468 if (replace_case) {
1469 buf[q] = (*get_byte) (data, q + start);
1470 } else {
1471 c = (*get_byte) (data, q + start);
1472 buf[q] = my_lower_case (c);
1473 }
1474 q++;
1475 }
1476 buf[q] = 0;
1477 start++;
1478 buf++; /* move the window along */
1479 if (buf == mbuf + MAX_REPL_LEN) { /* the window is about to go past the end of array, so... */
1480 memmove (mbuf, buf, strlen ((char *) buf) + 1); /* reset it */
1481 buf = mbuf;
1482 }
1483 q--;
1484 }
1485 } else { /* regexp matching */
1486 long offset = 0;
1487 int found_start, match_bol, move_win = 0;
1488
1489 while (start + offset < last_byte) {
1490 match_bol = (offset == 0 || (*get_byte) (data, start + offset - 1) == '\n');
1491 if (!move_win) {
1492 p = start + offset;
1493 q = 0;
1494 }
1495 for (; p < last_byte && q < MAX_REPL_LEN; p++, q++) {
1496 mbuf[q] = (*get_byte) (data, p);
1497 if (mbuf[q] == '\n')
1498 break;
1499 }
1500 q++;
1501 offset += q;
1502 mbuf[q] = 0;
1503
1504 buf = mbuf;
1505 while (q) {
1506 found_start = string_regexp_search ((char *) exp, (char *) buf, q, match_normal, match_bol, !replace_case, len, d);
1507
1508 if (found_start <= -2) { /* regcomp/regexec error */
1509 *len = 0;
1510 return -3;
1511 }
1512 else if (found_start == -1) /* not found: try next line */
1513 break;
1514 else if (*len == 0) { /* null pattern: try again at next character */
1515 q--;
1516 buf++;
1517 match_bol = 0;
1518 continue;
1519 }
1520 else /* found */
1521 return (start + offset - q + found_start);
1522 }
1523 if (once_only)
1524 return -2;
1525
1526 if (buf[q - 1] != '\n') { /* incomplete line: try to recover */
1527 buf = mbuf + MAX_REPL_LEN / 2;
1528 q = strlen ((char *) buf);
1529 memmove (mbuf, buf, q);
1530 p = start + q;
1531 move_win = 1;
1532 }
1533 else
1534 move_win = 0;
1535 }
1536 }
1537 } else {
1538 *len = strlen ((char *) exp);
1539 if (replace_case) {
1540 for (p = start; p <= last_byte - l; p++) {
1541 if ((*get_byte) (data, p) == (unsigned char)exp[0]) { /* check if first char matches */
1542 for (f = 0, q = 0; q < l && f < 1; q++)
1543 if ((*get_byte) (data, q + p) != (unsigned char)exp[q])
1544 f = 1;
1545 if (f == 0)
1546 return p;
1547 }
1548 if (once_only)
1549 return -2;
1550 }
1551 } else {
1552 for (p = 0; exp[p] != 0; p++)
1553 exp[p] = my_lower_case (exp[p]);
1554
1555 for (p = start; p <= last_byte - l; p++) {
1556 if (my_lower_case ((*get_byte) (data, p)) == (unsigned char)exp[0]) {
1557 for (f = 0, q = 0; q < l && f < 1; q++)
1558 if (my_lower_case ((*get_byte) (data, q + p)) != (unsigned char)exp[q])
1559 f = 1;
1560 if (f == 0)
1561 return p;
1562 }
1563 if (once_only)
1564 return -2;
1565 }
1566 }
1567 }
1568 return -2;
1569 }
1570
1571
1572 static long
1573 edit_find_forwards (long search_start, unsigned char *exp, int *len, long last_byte, int (*get_byte) (void *, long), void *data, int once_only, void *d)
1574 { /*front end to find_string to check for
1575 whole words */
1576 long p;
1577 p = search_start;
1578
1579 while ((p = edit_find_string (p, exp, len, last_byte, get_byte, data, once_only, d)) >= 0) {
1580 if (replace_whole) {
1581 /*If the bordering chars are not in option_whole_chars_search then word is whole */
1582 if (!strcasechr (option_whole_chars_search, (*get_byte) (data, p - 1))
1583 && !strcasechr (option_whole_chars_search, (*get_byte) (data, p + *len)))
1584 return p;
1585 if (once_only)
1586 return -2;
1587 } else
1588 return p;
1589 if (once_only)
1590 break;
1591 p++; /*not a whole word so continue search. */
1592 }
1593 return p;
1594 }
1595
1596 static long
1597 edit_find (long search_start, unsigned char *exp, int *len, long last_byte, int (*get_byte) (void *, long), void *data, void *d)
1598 {
1599 long p;
1600 if (replace_backwards) {
1601 while (search_start >= 0) {
1602 p = edit_find_forwards (search_start, exp, len, last_byte, get_byte, data, 1, d);
1603 if (p == search_start)
1604 return p;
1605 search_start--;
1606 }
1607 } else {
1608 return edit_find_forwards (search_start, exp, len, last_byte, get_byte, data, 0, d);
1609 }
1610 return -2;
1611 }
1612
1613 #define is_digit(x) ((x) >= '0' && (x) <= '9')
1614
1615 #define snprintf(v) { \
1616 *p1++ = *p++; \
1617 *p1++ = '%'; \
1618 *p1++ = 'n'; \
1619 *p1 = '\0'; \
1620 sprintf(s,q1,v,&n); \
1621 s += n; \
1622 }
1623
1624 /* this function uses the sprintf command to do a vprintf */
1625 /* it takes pointers to arguments instead of the arguments themselves */
1626 static int sprintf_p (char *str, const char *fmt,...)
1627 __attribute__ ((format (printf, 2, 3)));
1628
1629 static int sprintf_p (char *str, const char *fmt,...)
1630 {
1631 va_list ap;
1632 int n;
1633 char *q, *p, *s = str;
1634 char q1[32];
1635 char *p1;
1636
1637 va_start (ap, fmt);
1638 p = q = (char *) fmt;
1639
1640 while ((p = strchr (p, '%'))) {
1641 n = p - q;
1642 strncpy (s, q, n); /* copy stuff between format specifiers */
1643 s += n;
1644 *s = 0;
1645 q = p;
1646 p1 = q1;
1647 *p1++ = *p++;
1648 if (*p == '%') {
1649 p++;
1650 *s++ = '%';
1651 q = p;
1652 continue;
1653 }
1654 if (*p == 'n') {
1655 p++;
1656 /* do nothing */
1657 q = p;
1658 continue;
1659 }
1660 if (*p == '#')
1661 *p1++ = *p++;
1662 if (*p == '0')
1663 *p1++ = *p++;
1664 if (*p == '-')
1665 *p1++ = *p++;
1666 if (*p == '+')
1667 *p1++ = *p++;
1668 if (*p == '*') {
1669 p++;
1670 strcpy (p1, MY_itoa (*va_arg (ap, int *))); /* replace field width with a number */
1671 p1 += strlen (p1);
1672 } else {
1673 while (is_digit (*p))
1674 *p1++ = *p++;
1675 }
1676 if (*p == '.')
1677 *p1++ = *p++;
1678 if (*p == '*') {
1679 p++;
1680 strcpy (p1, MY_itoa (*va_arg (ap, int *))); /* replace precision with a number */
1681 p1 += strlen (p1);
1682 } else {
1683 while (is_digit (*p))
1684 *p1++ = *p++;
1685 }
1686 /* flags done, now get argument */
1687 if (*p == 's') {
1688 snprintf (va_arg (ap, char *));
1689 } else if (*p == 'h') {
1690 if (strchr ("diouxX", *p))
1691 snprintf (*va_arg (ap, short *));
1692 } else if (*p == 'l') {
1693 *p1++ = *p++;
1694 if (strchr ("diouxX", *p))
1695 snprintf (*va_arg (ap, long *));
1696 } else if (strchr ("cdiouxX", *p)) {
1697 snprintf (*va_arg (ap, int *));
1698 } else if (*p == 'L') {
1699 *p1++ = *p++;
1700 if (strchr ("EefgG", *p))
1701 snprintf (*va_arg (ap, double *)); /* should be long double */
1702 } else if (strchr ("EefgG", *p)) {
1703 snprintf (*va_arg (ap, double *));
1704 } else if (strchr ("DOU", *p)) {
1705 snprintf (*va_arg (ap, long *));
1706 } else if (*p == 'p') {
1707 snprintf (*va_arg (ap, void **));
1708 }
1709 q = p;
1710 }
1711 va_end (ap);
1712 sprintf (s, q); /* print trailing leftover */
1713 return s - str + strlen (s);
1714 }
1715
1716 static void regexp_error (WEdit *edit)
1717 {
1718 /* "Error: Syntax error in regular expression, or scanf expression contained too many %'s */
1719 edit_error_dialog (_("Error"), _(" Invalid regular expression, or scanf expression with to many conversions "));
1720 }
1721
1722 /* call with edit = 0 before shutdown to close memory leaks */
1723 void
1724 edit_replace_cmd (WEdit *edit, int again)
1725 {
1726 static regmatch_t pmatch[NUM_REPL_ARGS];
1727 static char *old1 = NULL;
1728 static char *old2 = NULL;
1729 static char *old3 = NULL;
1730 char *exp1 = "";
1731 char *exp2 = "";
1732 char *exp3 = "";
1733 int replace_yes;
1734 int replace_continue;
1735 int treplace_prompt = 0;
1736 int i = 0;
1737 long times_replaced = 0, last_search;
1738 int argord[NUM_REPL_ARGS];
1739
1740 if (!edit) {
1741 if (old1) {
1742 g_free (old1);
1743 old1 = 0;
1744 }
1745 if (old2) {
1746 g_free (old2);
1747 old2 = 0;
1748 }
1749 if (old3) {
1750 g_free (old3);
1751 old3 = 0;
1752 }
1753 return;
1754 }
1755 last_search = edit->last_byte;
1756
1757 edit->force |= REDRAW_COMPLETELY;
1758
1759 exp1 = old1 ? old1 : exp1;
1760 exp2 = old2 ? old2 : exp2;
1761 exp3 = old3 ? old3 : exp3;
1762
1763 if (again) {
1764 if (!old1 || !old2)
1765 return;
1766 exp1 = g_strdup (old1);
1767 exp2 = g_strdup (old2);
1768 exp3 = g_strdup (old3);
1769 } else {
1770 edit_push_action (edit, KEY_PRESS + edit->start_display);
1771
1772 convert_to_display (exp1);
1773 convert_to_display (exp2);
1774
1775 edit_replace_dialog (edit, &exp1, &exp2, &exp3);
1776
1777 convert_from_input (exp1);
1778 convert_from_input (exp2);
1779
1780 treplace_prompt = replace_prompt;
1781 }
1782
1783 if (!exp1 || !*exp1) {
1784 edit->force = REDRAW_COMPLETELY;
1785 g_free (exp1);
1786 g_free (exp2);
1787 g_free (exp3);
1788 return;
1789 }
1790 g_free (old1);
1791 g_free (old2);
1792 g_free (old3);
1793 old1 = g_strdup (exp1);
1794 old2 = g_strdup (exp2);
1795 old3 = g_strdup (exp3);
1796
1797 {
1798 char *s;
1799 int ord;
1800 while ((s = strchr (exp3, ' ')))
1801 memmove (s, s + 1, strlen (s));
1802 s = exp3;
1803 for (i = 0; i < NUM_REPL_ARGS; i++) {
1804 if (s != (char *) 1 && *s) {
1805 ord = atoi (s);
1806 if ((ord > 0) && (ord < NUM_REPL_ARGS))
1807 argord[i] = ord - 1;
1808 else
1809 argord[i] = i;
1810 s = strchr (s, ',') + 1;
1811 } else
1812 argord[i] = i;
1813 }
1814 }
1815
1816 replace_continue = replace_all;
1817
1818 if (edit->found_len && edit->search_start == edit->found_start + 1
1819 && replace_backwards)
1820 edit->search_start--;
1821
1822 if (edit->found_len && edit->search_start == edit->found_start - 1
1823 && !replace_backwards)
1824 edit->search_start++;
1825
1826 do {
1827 int len = 0;
1828 long new_start;
1829 new_start =
1830 edit_find (edit->search_start, (unsigned char *) exp1, &len,
1831 last_search, (int (*)(void *, long)) edit_get_byte,
1832 (void *) edit, pmatch);
1833 if (new_start == -3) {
1834 regexp_error (edit);
1835 break;
1836 }
1837 edit->search_start = new_start;
1838 /*returns negative on not found or error in pattern */
1839
1840 if (edit->search_start >= 0) {
1841 edit->found_start = edit->search_start;
1842 i = edit->found_len = len;
1843
1844 edit_cursor_move (edit, edit->search_start - edit->curs1);
1845 edit_scroll_screen_over_cursor (edit);
1846
1847 replace_yes = 1;
1848
1849 if (treplace_prompt) {
1850 int l;
1851 l = edit->curs_row - edit->num_widget_lines / 3;
1852 if (l > 0)
1853 edit_scroll_downward (edit, l);
1854 if (l < 0)
1855 edit_scroll_upward (edit, -l);
1856
1857 edit_scroll_screen_over_cursor (edit);
1858 edit->force |= REDRAW_PAGE;
1859 edit_render_keypress (edit);
1860
1861 /*so that undo stops at each query */
1862 edit_push_key_press (edit);
1863
1864 switch (edit_replace_prompt (edit, exp2, /* and prompt 2/3 down */
1865 (edit->num_widget_columns -
1866 CONFIRM_DLG_WIDTH) / 2,
1867 edit->num_widget_lines * 2 /
1868 3)) {
1869 case B_ENTER:
1870 break;
1871 case B_SKIP_REPLACE:
1872 replace_yes = 0;
1873 break;
1874 case B_REPLACE_ALL:
1875 treplace_prompt = 0;
1876 replace_continue = 1;
1877 break;
1878 case B_REPLACE_ONE:
1879 replace_continue = 0;
1880 break;
1881 case B_CANCEL:
1882 replace_yes = 0;
1883 replace_continue = 0;
1884 break;
1885 }
1886 }
1887 if (replace_yes) { /* delete then insert new */
1888 if (replace_scanf || replace_regexp) {
1889 char repl_str[MAX_REPL_LEN + 2];
1890
1891 /* we need to fill in sargs just like with scanf */
1892 if (replace_regexp) {
1893 int k, j;
1894 for (k = 1;
1895 k < NUM_REPL_ARGS && pmatch[k].rm_eo >= 0;
1896 k++) {
1897 unsigned char *t;
1898 t = (unsigned char *) &sargs[k - 1][0];
1899 for (j = 0;
1900 j < pmatch[k].rm_eo - pmatch[k].rm_so
1901 && j < 255; j++, t++)
1902 *t = (unsigned char) edit_get_byte (edit,
1903 edit->
1904 search_start
1905 -
1906 pmatch
1907 [0].
1908 rm_so +
1909 pmatch
1910 [k].
1911 rm_so +
1912 j);
1913 *t = '\0';
1914 }
1915 for (; k <= NUM_REPL_ARGS; k++)
1916 sargs[k - 1][0] = 0;
1917 }
1918 if (sprintf_p (repl_str, exp2, PRINTF_ARGS) >= 0) {
1919 times_replaced++;
1920 while (i--)
1921 edit_delete (edit);
1922 while (repl_str[++i])
1923 edit_insert (edit, repl_str[i]);
1924 } else {
1925 edit_error_dialog (_(" Replace "),
1926 _
1927 (" Error in replacement format string. "));
1928 replace_continue = 0;
1929 }
1930 } else {
1931 times_replaced++;
1932 while (i--)
1933 edit_delete (edit);
1934 while (exp2[++i])
1935 edit_insert (edit, exp2[i]);
1936 }
1937 edit->found_len = i;
1938 }
1939 /* so that we don't find the same string again */
1940 if (replace_backwards) {
1941 last_search = edit->search_start;
1942 edit->search_start--;
1943 } else {
1944 edit->search_start += i;
1945 last_search = edit->last_byte;
1946 }
1947 edit_scroll_screen_over_cursor (edit);
1948 } else {
1949 char *msg = _(" Replace ");
1950 /* try and find from right here for next search */
1951 edit->search_start = edit->curs1;
1952 edit_update_curs_col (edit);
1953
1954 edit->force |= REDRAW_PAGE;
1955 edit_render_keypress (edit);
1956 if (times_replaced) {
1957 message (0, msg, _(" %ld replacements made. "),
1958 times_replaced);
1959 } else
1960 edit_message_dialog (msg, _(" Search string not found "));
1961 replace_continue = 0;
1962 }
1963 } while (replace_continue);
1964
1965 g_free (exp1);
1966 g_free (exp2);
1967 g_free (exp3);
1968 edit->force = REDRAW_COMPLETELY;
1969 edit_scroll_screen_over_cursor (edit);
1970 }
1971
1972
1973
1974
1975 void edit_search_cmd (WEdit * edit, int again)
1976 {
1977 static char *old = NULL;
1978 char *exp = "";
1979
1980 if (!edit) {
1981 if (old) {
1982 g_free (old);
1983 old = 0;
1984 }
1985 return;
1986 }
1987 exp = old ? old : exp;
1988 if (again) { /*ctrl-hotkey for search again. */
1989 if (!old)
1990 return;
1991 exp = g_strdup (old);
1992 } else {
1993
1994 #ifdef HAVE_CHARSET
1995 if (exp && *exp)
1996 convert_to_display (exp);
1997 #endif /* HAVE_CHARSET */
1998
1999 edit_search_dialog (edit, &exp);
2000
2001 #ifdef HAVE_CHARSET
2002 if (exp && *exp)
2003 convert_from_input (exp);
2004 #endif /* HAVE_CHARSET */
2005
2006 edit_push_action (edit, KEY_PRESS + edit->start_display);
2007 }
2008
2009 if (exp) {
2010 if (*exp) {
2011 int len = 0;
2012 if (old)
2013 g_free (old);
2014 old = g_strdup (exp);
2015
2016 if (search_create_bookmark) {
2017 int found = 0, books = 0;
2018 int l = 0, l_last = -1;
2019 long p, q = 0;
2020 for (;;) {
2021 p = edit_find (q, (unsigned char *) exp, &len, edit->last_byte,
2022 (int (*)(void *, long)) edit_get_byte, (void *) edit, 0);
2023 if (p < 0)
2024 break;
2025 found++;
2026 l += edit_count_lines (edit, q, p);
2027 if (l != l_last) {
2028 book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR);
2029 books++;
2030 }
2031 l_last = l;
2032 q = p + 1;
2033 }
2034 if (found) {
2035 /* in response to number of bookmarks added because of string being found %d times */
2036 message (0, _("Search"), _(" %d finds made, %d bookmarks added "), found, books);
2037 } else {
2038 edit_error_dialog (_ ("Search"), _ (" Search string not found "));
2039 }
2040 } else {
2041
2042 if (edit->found_len && edit->search_start == edit->found_start + 1 && replace_backwards)
2043 edit->search_start--;
2044
2045 if (edit->found_len && edit->search_start == edit->found_start - 1 && !replace_backwards)
2046 edit->search_start++;
2047
2048 edit->search_start = edit_find (edit->search_start, (unsigned char *) exp, &len, edit->last_byte,
2049 (int (*)(void *, long)) edit_get_byte, (void *) edit, 0);
2050
2051 if (edit->search_start >= 0) {
2052 edit->found_start = edit->search_start;
2053 edit->found_len = len;
2054
2055 edit_cursor_move (edit, edit->search_start - edit->curs1);
2056 edit_scroll_screen_over_cursor (edit);
2057 if (replace_backwards)
2058 edit->search_start--;
2059 else
2060 edit->search_start++;
2061 } else if (edit->search_start == -3) {
2062 edit->search_start = edit->curs1;
2063 regexp_error (edit);
2064 } else {
2065 edit->search_start = edit->curs1;
2066 edit_error_dialog (_ ("Search"), _ (" Search string not found "));
2067 }
2068 }
2069 }
2070 g_free (exp);
2071 }
2072 edit->force |= REDRAW_COMPLETELY;
2073 edit_scroll_screen_over_cursor (edit);
2074 }
2075
2076
2077 /*
2078 * Check if it's OK to close the editor. If there are unsaved changes,
2079 * ask user. Return 1 if it's OK to exit, 0 to continue editing.
2080 */
2081 int
2082 edit_ok_to_exit (WEdit *edit)
2083 {
2084 if (!edit->modified)
2085 return 1;
2086
2087 switch (edit_query_dialog3
2088 (_("Quit"), _(" File was modified, Save with exit? "),
2089 _("Cancel quit"), _("&Yes"), _("&No"))) {
2090 case 1:
2091 edit_push_markers (edit);
2092 edit_set_markers (edit, 0, 0, 0, 0);
2093 if (!edit_save_cmd (edit))
2094 return 0;
2095 break;
2096 case 2:
2097 if (edit->locked)
2098 edit->locked = edit_unlock_file (edit->filename);
2099 break;
2100 case 0:
2101 case -1:
2102 return 0;
2103 }
2104
2105 return 1;
2106 }
2107
2108
2109 #define TEMP_BUF_LEN 1024
2110
2111 /* Return a null terminated length of text. Result must be g_free'd */
2112 static unsigned char *
2113 edit_get_block (WEdit *edit, long start, long finish, int *l)
2114 {
2115 unsigned char *s, *r;
2116 r = s = g_malloc (finish - start + 1);
2117 if (column_highlighting) {
2118 *l = 0;
2119 /* copy from buffer, excluding chars that are out of the column 'margins' */
2120 while (start < finish) {
2121 int c, x;
2122 x = edit_move_forward3 (edit, edit_bol (edit, start), 0,
2123 start);
2124 c = edit_get_byte (edit, start);
2125 if ((x >= edit->column1 && x < edit->column2)
2126 || (x >= edit->column2 && x < edit->column1) || c == '\n') {
2127 *s++ = c;
2128 (*l)++;
2129 }
2130 start++;
2131 }
2132 } else {
2133 *l = finish - start;
2134 while (start < finish)
2135 *s++ = edit_get_byte (edit, start++);
2136 }
2137 *s = 0;
2138 return r;
2139 }
2140
2141 /* save block, returns 1 on success */
2142 int
2143 edit_save_block (WEdit * edit, const char *filename, long start,
2144 long finish)
2145 {
2146 int len, file;
2147
2148 if ((file =
2149 mc_open (filename, O_CREAT | O_WRONLY | O_TRUNC,
2150 S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH | O_BINARY)) == -1)
2151 return 0;
2152
2153 if (column_highlighting) {
2154 unsigned char *block, *p;
2155 int r;
2156 p = block = edit_get_block (edit, start, finish, &len);
2157 while (len) {
2158 r = mc_write (file, p, len);
2159 if (r < 0)
2160 break;
2161 p += r;
2162 len -= r;
2163 }
2164 g_free (block);
2165 } else {
2166 unsigned char *buf;
2167 int i = start, end;
2168 len = finish - start;
2169 buf = g_malloc (TEMP_BUF_LEN);
2170 while (start != finish) {
2171 end = min (finish, start + TEMP_BUF_LEN);
2172 for (; i < end; i++)
2173 buf[i - start] = edit_get_byte (edit, i);
2174 len -= mc_write (file, (char *) buf, end - start);
2175 start = end;
2176 }
2177 g_free (buf);
2178 }
2179 mc_close (file);
2180 if (len)
2181 return 0;
2182 return 1;
2183 }
2184
2185 /* copies a block to clipboard file */
2186 static int edit_save_block_to_clip_file (WEdit * edit, long start, long finish)
2187 {
2188 return edit_save_block (edit, catstrs (home_dir, CLIP_FILE, 0), start, finish);
2189 }
2190
2191
2192 void edit_paste_from_history (WEdit *edit)
2193 {
2194 }
2195
2196 int edit_copy_to_X_buf_cmd (WEdit * edit)
2197 {
2198 long start_mark, end_mark;
2199 if (eval_marks (edit, &start_mark, &end_mark))
2200 return 0;
2201 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
2202 edit_error_dialog (_(" Copy to clipboard "), get_sys_error (_(" Unable to save to file. ")));
2203 return 1;
2204 }
2205 edit_mark_cmd (edit, 1);
2206 return 0;
2207 }
2208
2209 int edit_cut_to_X_buf_cmd (WEdit * edit)
2210 {
2211 long start_mark, end_mark;
2212 if (eval_marks (edit, &start_mark, &end_mark))
2213 return 0;
2214 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
2215 edit_error_dialog (_(" Cut to clipboard "), _(" Unable to save to file. "));
2216 return 1;
2217 }
2218 edit_block_delete_cmd (edit);
2219 edit_mark_cmd (edit, 1);
2220 return 0;
2221 }
2222
2223 void edit_paste_from_X_buf_cmd (WEdit * edit)
2224 {
2225 edit_insert_file (edit, catstrs (home_dir, CLIP_FILE, 0));
2226 }
2227
2228
2229 /*
2230 * Ask user for the line and go to that line.
2231 * Negative numbers mean line from the end (i.e. -1 is the last line).
2232 */
2233 void
2234 edit_goto_cmd (WEdit *edit)
2235 {
2236 char *f;
2237 static long line = 0; /* line as typed, saved as default */
2238 long l;
2239 char *error;
2240 char s[32];
2241
2242 g_snprintf (s, sizeof (s), "%ld", line);
2243 f = input_dialog (_(" Goto line "), _(" Enter line: "), line ? s : "");
2244 if (!f)
2245 return;
2246
2247 if (!*f) {
2248 g_free (f);
2249 return;
2250 }
2251
2252 l = strtol (f, &error, 0);
2253 if (*error) {
2254 g_free (f);
2255 return;
2256 }
2257
2258 line = l;
2259 if (l < 0)
2260 l = edit->total_lines + l + 2;
2261 edit_move_display (edit, l - edit->num_widget_lines / 2 - 1);
2262 edit_move_to_line (edit, l - 1);
2263 edit->force |= REDRAW_COMPLETELY;
2264 g_free (f);
2265 }
2266
2267
2268 /* Return 1 on success */
2269 int
2270 edit_save_block_cmd (WEdit *edit)
2271 {
2272 long start_mark, end_mark;
2273 char *exp;
2274 if (eval_marks (edit, &start_mark, &end_mark))
2275 return 1;
2276 exp =
2277 edit_get_save_file (catstrs (home_dir, CLIP_FILE, 0),
2278 _(" Save Block "));
2279 edit_push_action (edit, KEY_PRESS + edit->start_display);
2280 if (exp) {
2281 if (!*exp) {
2282 g_free (exp);
2283 return 0;
2284 } else {
2285 if (edit_save_block (edit, exp, start_mark, end_mark)) {
2286 g_free (exp);
2287 edit->force |= REDRAW_COMPLETELY;
2288 return 1;
2289 } else {
2290 g_free (exp);
2291 edit_error_dialog (_(" Save Block "),
2292 get_sys_error (_
2293 (" Cannot save file. ")));
2294 }
2295 }
2296 }
2297 edit->force |= REDRAW_COMPLETELY;
2298 return 0;
2299 }
2300
2301
2302 /* returns 1 on success */
2303 int
2304 edit_insert_file_cmd (WEdit *edit)
2305 {
2306 char *exp = edit_get_load_file (catstrs (home_dir, CLIP_FILE, 0),
2307 _(" Insert File "));
2308 edit_push_action (edit, KEY_PRESS + edit->start_display);
2309 if (exp) {
2310 if (!*exp) {
2311 g_free (exp);
2312 return 0;
2313 } else {
2314 if (edit_insert_file (edit, exp)) {
2315 g_free (exp);
2316 edit->force |= REDRAW_COMPLETELY;
2317 return 1;
2318 } else {
2319 g_free (exp);
2320 edit_error_dialog (_(" Insert File "),
2321 get_sys_error (_
2322 (" Cannot insert file. ")));
2323 }
2324 }
2325 }
2326 edit->force |= REDRAW_COMPLETELY;
2327 return 0;
2328 }
2329
2330 /* sorts a block, returns -1 on system fail, 1 on cancel and 0 on success */
2331 int edit_sort_cmd (WEdit * edit)
2332 {
2333 static char *old = 0;
2334 char *exp;
2335 long start_mark, end_mark;
2336 int e;
2337
2338 if (eval_marks (edit, &start_mark, &end_mark)) {
2339 edit_error_dialog (_(" Sort block "), _(" You must first highlight a block of text. "));
2340 return 0;
2341 }
2342 edit_save_block (edit, catstrs (home_dir, BLOCK_FILE, 0), start_mark, end_mark);
2343
2344 exp = old ? old : "";
2345
2346 exp = input_dialog (_(" Run Sort "),
2347 _(" Enter sort options (see manpage) separated by whitespace: "), exp);
2348
2349 if (!exp)
2350 return 1;
2351 if (old)
2352 g_free (old);
2353 old = exp;
2354
2355 e = system (catstrs (" sort ", exp, " ", home_dir, BLOCK_FILE, " > ", home_dir, TEMP_FILE, 0));
2356 if (e) {
2357 if (e == -1 || e == 127) {
2358 edit_error_dialog (_(" Sort "),
2359 get_sys_error (_(" Cannot execute sort command ")));
2360 } else {
2361 char q[8];
2362 sprintf (q, "%d ", e);
2363 edit_error_dialog (_(" Sort "),
2364 catstrs (_(" Sort returned non-zero: "), q, 0));
2365 }
2366 return -1;
2367 }
2368
2369 edit->force |= REDRAW_COMPLETELY;
2370
2371 if (edit_block_delete_cmd (edit))
2372 return 1;
2373 edit_insert_file (edit, catstrs (home_dir, TEMP_FILE, 0));
2374 return 0;
2375 }
2376
2377 /*
2378 * Ask user for a command, execute it and paste its output back to the
2379 * editor.
2380 */
2381 int
2382 edit_ext_cmd (WEdit *edit)
2383 {
2384 char *exp;
2385 int e;
2386
2387 exp =
2388 input_dialog (_("Paste output of external command"),
2389 _("Enter shell command(s):"), NULL);
2390
2391 if (!exp)
2392 return 1;
2393
2394 e = system (catstrs (exp, " > ", home_dir, TEMP_FILE, 0));
2395 g_free (exp);
2396
2397 if (e) {
2398 edit_error_dialog (_("External command"),
2399 get_sys_error (_("Cannot execute command")));
2400 return -1;
2401 }
2402
2403 edit->force |= REDRAW_COMPLETELY;
2404
2405 edit_insert_file (edit, catstrs (home_dir, TEMP_FILE, 0));
2406 return 0;
2407 }
2408
2409 /* if block is 1, a block must be highlighted and the shell command
2410 processes it. If block is 0 the shell command is a straight system
2411 command, that just produces some output which is to be inserted */
2412 void
2413 edit_block_process_cmd (WEdit *edit, const char *shell_cmd, int block)
2414 {
2415 long start_mark, end_mark;
2416 char buf[BUFSIZ];
2417 FILE *script_home = NULL;
2418 FILE *script_src = NULL;
2419 FILE *block_file = NULL;
2420 char *o = NULL;
2421 char *h = NULL;
2422 char *b = NULL;
2423 char *quoted_name = NULL;
2424
2425 o = catstrs (mc_home, shell_cmd, 0); /* original source script */
2426 h = catstrs (home_dir, EDIT_DIR, shell_cmd, 0); /* home script */
2427 b = catstrs (home_dir, BLOCK_FILE, 0); /* block file */
2428
2429 if (!(script_home = fopen (h, "r"))) {
2430 if (!(script_home = fopen (h, "w"))) {
2431 edit_error_dialog ("", get_sys_error (catstrs
2432 (_
2433 ("Error creating script:"),
2434 h, 0)));
2435 return;
2436 }
2437 if (!(script_src = fopen (o, "r"))) {
2438 fclose (script_home);
2439 unlink (h);
2440 edit_error_dialog ("", get_sys_error (catstrs
2441 (_("Error reading script:"),
2442 o, 0)));
2443 return;
2444 }
2445 while (fgets (buf, sizeof (buf), script_src))
2446 fputs (buf, script_home);
2447 if (fclose (script_home)) {
2448 edit_error_dialog ("", get_sys_error (catstrs
2449 (_
2450 ("Error closing script:"),
2451 h, 0)));
2452 return;
2453 }
2454 chmod (h, 0700);
2455 edit_error_dialog ("", get_sys_error (catstrs
2456 (_("Script created:"), h, 0)));
2457 }
2458
2459 open_error_pipe ();
2460
2461 if (block) { /* for marked block run indent formatter */
2462 if (eval_marks (edit, &start_mark, &end_mark)) {
2463 edit_error_dialog (_("Process block"),
2464 _
2465 (" You must first highlight a block of text. "));
2466 return;
2467 }
2468 edit_save_block (edit, b, start_mark, end_mark);
2469 quoted_name = name_quote (edit->filename, 0);
2470 /*
2471 * Run script.
2472 * Initial space is to avoid polluting bash history.
2473 * Arguments:
2474 * $1 - name of the edited file (to check its extension etc).
2475 * $2 - file containing the current block.
2476 * $3 - file where error messages should be put
2477 * (for compatibility with old scripts).
2478 */
2479 system (catstrs (" ", home_dir, EDIT_DIR, shell_cmd, " ", quoted_name,
2480 " ", home_dir, BLOCK_FILE " /dev/null", NULL));
2481
2482 } else {
2483 /*
2484 * No block selected, just execute the command for the file.
2485 * Arguments:
2486 * $1 - name of the edited file.
2487 */
2488 system (catstrs (" ", home_dir, EDIT_DIR, shell_cmd, " ",
2489 quoted_name, NULL));
2490 }
2491 g_free (quoted_name);
2492 close_error_pipe (0, 0);
2493
2494 edit_refresh_cmd (edit);
2495 edit->force |= REDRAW_COMPLETELY;
2496
2497 /* insert result block */
2498 if (block) {
2499 if (edit_block_delete_cmd (edit))
2500 return;
2501 edit_insert_file (edit, b);
2502 if ((block_file = fopen (b, "w")))
2503 fclose (block_file);
2504 return;
2505 }
2506
2507 return;
2508 }
2509
2510 /* prints at the cursor */
2511 /* returns the number of chars printed */
2512 int edit_print_string (WEdit * e, const char *s)
2513 {
2514 int i = 0;
2515 while (s[i])
2516 edit_execute_cmd (e, -1, (unsigned char) s[i++]);
2517 e->force |= REDRAW_COMPLETELY;
2518 edit_update_screen (e);
2519 return i;
2520 }
2521
2522
2523 static void pipe_mail (WEdit *edit, char *to, char *subject, char *cc)
2524 {
2525 FILE *p = 0;
2526 char *s;
2527
2528 to = name_quote (to, 0);
2529 subject = name_quote (subject, 0);
2530 cc = name_quote (cc, 0);
2531 s = g_strdup_printf ("mail -s %s -c %s %s", subject, cc, to);
2532 g_free (to);
2533 g_free (subject);
2534 g_free (cc);
2535
2536 if (s) {
2537 p = popen (s, "w");
2538 g_free (s);
2539 }
2540
2541 if (p) {
2542 long i;
2543 for (i = 0; i < edit->last_byte; i++)
2544 fputc (edit_get_byte (edit, i), p);
2545 pclose (p);
2546 }
2547 }
2548
2549 #define MAIL_DLG_HEIGHT 12
2550
2551 void edit_mail_dialog (WEdit * edit)
2552 {
2553 char *tmail_to;
2554 char *tmail_subject;
2555 char *tmail_cc;
2556
2557 static char *mail_cc_last = 0;
2558 static char *mail_subject_last = 0;
2559 static char *mail_to_last = 0;
2560
2561 QuickDialog Quick_input =
2562 {50, MAIL_DLG_HEIGHT, -1, 0, N_(" Mail "),
2563 "[Input Line Keys]", 0};
2564
2565 QuickWidget quick_widgets[] =
2566 {
2567 {quick_button, 6, 10, 9, MAIL_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
2568 0, NULL},
2569 {quick_button, 2, 10, 9, MAIL_DLG_HEIGHT, N_("&OK"), 0, B_ENTER, 0,
2570 0, NULL},
2571 {quick_input, 3, 50, 8, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2572 0, "mail-dlg-input"},
2573 {quick_label, 2, 50, 7, MAIL_DLG_HEIGHT, N_(" Copies to"), 0, 0, 0,
2574 0, 0},
2575 {quick_input, 3, 50, 6, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2576 0, "mail-dlg-input-2"},
2577 {quick_label, 2, 50, 5, MAIL_DLG_HEIGHT, N_(" Subject"), 0, 0, 0,
2578 0, 0},
2579 {quick_input, 3, 50, 4, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2580 0, "mail-dlg-input-3"},
2581 {quick_label, 2, 50, 3, MAIL_DLG_HEIGHT, N_(" To"), 0, 0, 0,
2582 0, 0},
2583 {quick_label, 2, 50, 2, MAIL_DLG_HEIGHT, N_(" mail -s <subject> -c <cc> <to>"), 0, 0, 0,
2584 0, 0},
2585 {0}};
2586
2587 quick_widgets[2].str_result = &tmail_cc;
2588 quick_widgets[2].text = mail_cc_last ? mail_cc_last : "";
2589 quick_widgets[4].str_result = &tmail_subject;
2590 quick_widgets[4].text = mail_subject_last ? mail_subject_last : "";
2591 quick_widgets[6].str_result = &tmail_to;
2592 quick_widgets[6].text = mail_to_last ? mail_to_last : "";
2593
2594 Quick_input.widgets = quick_widgets;
2595
2596 if (quick_dialog (&Quick_input) != B_CANCEL) {
2597 if (mail_cc_last)
2598 g_free (mail_cc_last);
2599 if (mail_subject_last)
2600 g_free (mail_subject_last);
2601 if (mail_to_last)
2602 g_free (mail_to_last);
2603 mail_cc_last = tmail_cc;
2604 mail_subject_last = tmail_subject;
2605 mail_to_last = tmail_to;
2606 pipe_mail (edit, mail_to_last, mail_subject_last, mail_cc_last);
2607 }
2608 }
2609
2610
2611 /*******************/
2612 /* Word Completion */
2613 /*******************/
2614
2615
2616 /* find first character of current word */
2617 static int edit_find_word_start (WEdit *edit, long *word_start, int *word_len)
2618 {
2619 int i, c, last;
2620
2621 /* return if at begin of file */
2622 if (edit->curs1 <= 0)
2623 return 0;
2624
2625 c = (unsigned char) edit_get_byte (edit, edit->curs1 - 1);
2626 /* return if not at end or in word */
2627 if (isspace (c) || !(isalnum (c) || c == '_'))
2628 return 0;
2629
2630 /* search start of word to be completed */
2631 for (i = 2;; i++) {
2632 /* return if at begin of file */
2633 if (edit->curs1 - i < 0)
2634 return 0;
2635
2636 last = c;
2637 c = (unsigned char) edit_get_byte (edit, edit->curs1 - i);
2638
2639 if (!(isalnum (c) || c == '_')) {
2640 /* return if word starts with digit */
2641 if (isdigit (last))
2642 return 0;
2643
2644 *word_start = edit->curs1 - (i - 1); /* start found */
2645 *word_len = i - 1;
2646 break;
2647 }
2648 }
2649 /* success */
2650 return 1;
2651 }
2652
2653
2654 /* (re)set search parameters to the given values */
2655 static void edit_set_search_parameters (int rs, int rb, int rr, int rw, int rc)
2656 {
2657 replace_scanf = rs;
2658 replace_backwards = rb;
2659 replace_regexp = rr;
2660 replace_whole = rw;
2661 replace_case = rc;
2662 }
2663
2664
2665 #define MAX_WORD_COMPLETIONS 100 /* in listbox */
2666
2667 /* collect the possible completions */
2668 static int
2669 edit_collect_completions (WEdit *edit, long start, int word_len,
2670 char *match_expr, struct selection *compl,
2671 int *num)
2672 {
2673 int len, max_len = 0, i, skip;
2674 char *bufpos;
2675
2676 /* collect max MAX_WORD_COMPLETIONS completions */
2677 while (*num < MAX_WORD_COMPLETIONS) {
2678 /* get next match */
2679 start =
2680 edit_find (start - 1, (unsigned char *) match_expr, &len,
2681 edit->last_byte,
2682 (int (*)(void *, long)) edit_get_byte,
2683 (void *) edit, 0);
2684
2685 /* not matched */
2686 if (start < 0)
2687 break;
2688
2689 /* add matched completion if not yet added */
2690 bufpos =
2691 &edit->
2692 buffers1[start >> S_EDIT_BUF_SIZE][start & M_EDIT_BUF_SIZE];
2693 skip = 0;
2694 for (i = 0; i < *num; i++) {
2695 if (strncmp
2696 (&compl[i].text[word_len], &bufpos[word_len],
2697 max (len, compl[i].len) - word_len) == 0) {
2698 skip = 1;
2699 break; /* skip it, already added */
2700 }
2701 }
2702 if (skip)
2703 continue;
2704
2705 compl[*num].text = g_malloc (len + 1);
2706 compl[*num].len = len;
2707 for (i = 0; i < len; i++)
2708 compl[*num].text[i] = *(bufpos + i);
2709 compl[*num].text[i] = '\0';
2710 (*num)++;
2711
2712 /* note the maximal length needed for the completion dialog */
2713 if (len > max_len)
2714 max_len = len;
2715 }
2716 return max_len;
2717 }
2718
2719
2720 /* let the user select its preferred completion */
2721 static void
2722 edit_completion_dialog (WEdit *edit, int max_len, int word_len,
2723 struct selection *compl, int num_compl)
2724 {
2725 int start_x, start_y, offset, i;
2726 char *curr = NULL;
2727 Dlg_head *compl_dlg;
2728 WListbox *compl_list;
2729 unsigned int compl_dlg_h; /* completion dialog height */
2730 unsigned int compl_dlg_w; /* completion dialog width */
2731
2732 /* calculate the dialog metrics */
2733 compl_dlg_h = num_compl + 2;
2734 compl_dlg_w = max_len + 4;
2735 start_x = edit->curs_col + edit->start_col - (compl_dlg_w / 2);
2736 start_y = edit->curs_row + EDIT_TEXT_VERTICAL_OFFSET + 1;
2737
2738 if (start_x < 0)
2739 start_x = 0;
2740 if (compl_dlg_w > COLS)
2741 compl_dlg_w = COLS;
2742 if (compl_dlg_h > LINES - 2)
2743 compl_dlg_h = LINES - 2;
2744
2745 offset = start_x + compl_dlg_w - COLS;
2746 if (offset > 0)
2747 start_x -= offset;
2748 offset = start_y + compl_dlg_h - LINES;
2749 if (offset > 0)
2750 start_y -= (offset + 1);
2751
2752 /* create the dialog */
2753 compl_dlg =
2754 create_dlg (start_y, start_x, compl_dlg_h, compl_dlg_w,
2755 dialog_colors, NULL, "[Completion]", NULL,
2756 DLG_COMPACT);
2757
2758 /* create the listbox */
2759 compl_list =
2760 listbox_new (1, 1, compl_dlg_w - 2, compl_dlg_h - 2, NULL);
2761
2762 /* add the dialog */
2763 add_widget (compl_dlg, compl_list);
2764
2765 /* fill the listbox with the completions */
2766 for (i = 0; i < num_compl; i++)
2767 listbox_add_item (compl_list, 0, 0, compl[i].text, NULL);
2768
2769 /* pop up the dialog */
2770 run_dlg (compl_dlg);
2771
2772 /* apply the choosen completion */
2773 if (compl_dlg->ret_value == B_ENTER) {
2774 listbox_get_current (compl_list, &curr, NULL);
2775 if (curr)
2776 for (curr += word_len; *curr; curr++)
2777 edit_insert (edit, *curr);
2778 }
2779
2780 /* destroy dialog before return */
2781 destroy_dlg (compl_dlg);
2782 }
2783
2784
2785 /*
2786 * Complete current word using regular expression search
2787 * backwards beginning at the current cursor position.
2788 */
2789 void
2790 edit_complete_word_cmd (WEdit *edit)
2791 {
2792 int word_len = 0, i, num_compl = 0, max_len;
2793 long word_start = 0;
2794 char *bufpos;
2795 char match_expr[MAX_REPL_LEN];
2796 struct selection compl[MAX_WORD_COMPLETIONS]; /* completions */
2797
2798 /* don't want to disturb another search */
2799 int old_rs = replace_scanf;
2800 int old_rb = replace_backwards;
2801 int old_rr = replace_regexp;
2802 int old_rw = replace_whole;
2803 int old_rc = replace_case;
2804
2805 /* search start of word to be completed */
2806 if (!edit_find_word_start (edit, &word_start, &word_len))
2807 return;
2808
2809 /* prepare match expression */
2810 bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE]
2811 [word_start & M_EDIT_BUF_SIZE];
2812 strncpy (match_expr, bufpos, word_len);
2813 match_expr[word_len] = '\0';
2814 strcat (match_expr, "[a-zA-Z_0-9]+");
2815
2816 /* init search: backward, regexp, whole word, case sensitive */
2817 edit_set_search_parameters (0, 1, 1, 1, 1);
2818
2819 /* collect the possible completions */
2820 /* start search from curs1 down to begin of file */
2821 max_len =
2822 edit_collect_completions (edit, word_start, word_len, match_expr,
2823 (struct selection *) &compl, &num_compl);
2824
2825 if (num_compl > 0) {
2826 /* insert completed word if there is only one match */
2827 if (num_compl == 1) {
2828 for (i = word_len; i < compl[0].len; i++)
2829 edit_insert (edit, *(compl[0].text + i));
2830 }
2831 /* more than one possible completion => ask the user */
2832 else {
2833 /* !!! usually only a beep is expected and when <ALT-TAB> is !!! */
2834 /* !!! pressed again the selection dialog pops up, but that !!! */
2835 /* !!! seems to require a further internal state !!! */
2836 /*beep (); */
2837
2838 /* let the user select the preferred completion */
2839 edit_completion_dialog (edit, max_len, word_len,
2840 (struct selection *) &compl,
2841 num_compl);
2842 }
2843 }
2844
2845 /* release memory before return */
2846 for (i = 0; i < num_compl; i++)
2847 g_free (compl[i].text);
2848
2849 /* restore search parameters */
2850 edit_set_search_parameters (old_rs, old_rb, old_rr, old_rw, old_rc);
2851 }
Midnight Commander