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corrected some file operations dialog msgs
[midnight-commander.git] / edit / editcmd.c
blobf3c10dc4dc08d7c6eee4ecf7ac10285ceeea7dfc
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 $Id$
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
22 02111-1307, USA.
23
24 */
25
26 /* #define PIPE_BLOCKS_SO_READ_BYTE_BY_BYTE */
27
28 #include <config.h>
29 #include <ctype.h>
30
31 #include "edit.h"
32 #include "editcmddef.h"
33
34 #ifdef HAVE_CHARSET
35 #include "src/charsets.h"
36 #endif
37
38 /* globals: */
39
40 /* search and replace: */
41 int replace_scanf = 0;
42 int replace_regexp = 0;
43 int replace_all = 0;
44 int replace_prompt = 1;
45 int replace_whole = 0;
46 int replace_case = 0;
47 int replace_backwards = 0;
48 int search_create_bookmark = 0;
49
50 /* queries on a save */
51 int edit_confirm_save = 1;
52
53 #define NUM_REPL_ARGS 64
54 #define MAX_REPL_LEN 1024
55
56 static inline int my_lower_case (int c)
57 {
58 return tolower(c & 0xFF);
59 }
60
61 char *strcasechr (const unsigned char *s, int c)
62 {
63 for (c = my_lower_case (c); my_lower_case ((int) *s) != c; ++s)
64 if (*s == '\0')
65 return 0;
66 return (char *) s;
67 }
68
69 #ifndef HAVE_MEMMOVE
70 /* for Christophe */
71 static void *memmove (void *dest, const void *src, size_t n)
72 {
73 char *t, *s;
74
75 if (dest <= src) {
76 t = (char *) dest;
77 s = (char *) src;
78 while (n--)
79 *t++ = *s++;
80 } else {
81 t = (char *) dest + n;
82 s = (char *) src + n;
83 while (n--)
84 *--t = *--s;
85 }
86 return dest;
87 }
88 #endif /* !HAVE_MEMMOVE */
89
90 /* #define itoa MY_itoa <---- this line is now in edit.h */
91 char *itoa (int i)
92 {
93 static char t[14];
94 char *s = t + 13;
95 int j = i;
96 *s-- = 0;
97 do {
98 *s-- = i % 10 + '0';
99 } while ((i = i / 10));
100 if (j < 0)
101 *s-- = '-';
102 return ++s;
103 }
104
105 /* Temporary strings */
106 static char *stacked[16] =
107 {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
108
109 /*
110 This joins strings end on end and allocates memory for the result.
111 The result is later automatically free'd and must not be free'd
112 by the caller.
113 */
114 char *catstrs (const char *first,...)
115 {
116 static int i = 0;
117 va_list ap;
118 int len;
119 char *data;
120
121 if (!first)
122 return 0;
123
124 len = strlen (first);
125 va_start (ap, first);
126
127 while ((data = va_arg (ap, char *)) != 0)
128 len += strlen (data);
129
130 len++;
131
132 i = (i + 1) % 16;
133 g_free (stacked[i]);
134
135 stacked[i] = g_malloc (len);
136 va_end (ap);
137 va_start (ap, first);
138 strcpy (stacked[i], first);
139 while ((data = va_arg (ap, char *)) != 0)
140 strcat (stacked[i], data);
141 va_end (ap);
142
143 return stacked[i];
144 }
145
146 /* Free temporary strings */
147 void freestrs(void)
148 {
149 int i;
150
151 for (i = 0; i < sizeof(stacked) / sizeof(stacked[0]); i++) {
152 g_free (stacked[i]);
153 stacked[i] = NULL;
154 }
155 }
156
157 void edit_help_cmd (WEdit * edit)
158 {
159 interactive_display (NULL, "[Internal File Editor]");
160 edit->force |= REDRAW_COMPLETELY;
161 }
162
163 void edit_refresh_cmd (WEdit * edit)
164 {
165 #ifndef HAVE_SLANG
166 clr_scr();
167 do_refresh();
168 #else
169 {
170 int color;
171 edit_get_syntax_color (edit, -1, &color);
172 }
173 touchwin(stdscr);
174 #endif /* !HAVE_SLANG */
175 mc_refresh();
176 doupdate();
177 }
178
179 /* "Oleg Yu. Repin" <repin@ssd.sscc.ru> added backup filenames
180 ...thanks -paul */
181
182 /* If 0 (quick save) then a) create/truncate <filename> file,
183 b) save to <filename>;
184 if 1 (safe save) then a) save to <tempnam>,
185 b) rename <tempnam> to <filename>;
186 if 2 (do backups) then a) save to <tempnam>,
187 b) rename <filename> to <filename.backup_ext>,
188 c) rename <tempnam> to <filename>. */
189
190 /* returns 0 on error */
191 int edit_save_file (WEdit * edit, const char *filename)
192 {
193 char *p;
194 long filelen = 0;
195 char *savename = 0;
196 int this_save_mode, fd;
197
198 if (!filename)
199 return 0;
200 if (!*filename)
201 return 0;
202
203 if ((fd = mc_open (filename, O_WRONLY)) == -1) {
204 /*
205 * The file does not exists yet, so no safe save or
206 * backup are necessary.
207 */
208 this_save_mode = 0;
209 } else {
210 mc_close (fd);
211 this_save_mode = option_save_mode;
212 }
213
214 if (this_save_mode > 0) {
215 char *savedir, *slashpos, *saveprefix;
216 slashpos = strrchr (filename, PATH_SEP);
217 if (slashpos) {
218 savedir = (char *) strdup (filename);
219 savedir[slashpos - filename + 1] = '\0';
220 } else
221 savedir = (char *) strdup (".");
222 saveprefix = concat_dir_and_file (savedir, "cooledit");
223 free (savedir);
224 fd = mc_mkstemps(&savename, saveprefix, NULL);
225 g_free (saveprefix);
226 if (!savename)
227 return 0;
228 /* FIXME:
229 * Close for now because mc_mkstemps use pure open system call
230 * to create temporary file and it needs to be reopened by
231 * VFS-aware mc_open() and MY_O_TEXT should be used.
232 */
233 close (fd);
234 } else
235 savename = g_strdup (filename);
236
237 mc_chmod (savename, edit->stat1.st_mode);
238 mc_chown (savename, edit->stat1.st_uid, edit->stat1.st_gid);
239
240 if ((fd = mc_open (savename, O_CREAT | O_WRONLY | O_TRUNC | MY_O_TEXT,
241 edit->stat1.st_mode)) == -1)
242 goto error_save;
243
244 /* pipe save */
245 if ((p = (char *) edit_get_write_filter (savename, filename))) {
246 FILE *file;
247
248 mc_close (fd);
249 file = (FILE *) popen (p, "w");
250
251 if (file) {
252 filelen = edit_write_stream (edit, file);
253 #if 1
254 pclose (file);
255 #else
256 if (pclose (file) != 0) {
257 edit_error_dialog (_ (" Error "), catstrs (_ (" Error writing to pipe: "), p, " ", 0));
258 free (p);
259 goto error_save;
260 }
261 #endif
262 } else {
263 edit_error_dialog (_ (" Error "), get_sys_error (catstrs (_ (" Failed trying to open pipe for writing: "), p, " ", 0)));
264 free (p);
265 goto error_save;
266 }
267 free (p);
268 #ifdef CR_LF_TRANSLATION
269 } else { /* optimised save */
270 filelen = edit_write_stream (edit, f);
271 if (fclose (file))
272 filelen = -1;
273 #else
274 } else {
275 long buf;
276 buf = 0;
277 filelen = edit->last_byte;
278 while (buf <= (edit->curs1 >> S_EDIT_BUF_SIZE) - 1) {
279 if (mc_write (fd, (char *) edit->buffers1[buf], EDIT_BUF_SIZE) != EDIT_BUF_SIZE) {
280 mc_close (fd);
281 goto error_save;
282 }
283 buf++;
284 }
285 if (mc_write (fd, (char *) edit->buffers1[buf], edit->curs1 & M_EDIT_BUF_SIZE) != (edit->curs1 & M_EDIT_BUF_SIZE)) {
286 filelen = -1;
287 } else if (edit->curs2) {
288 edit->curs2--;
289 buf = (edit->curs2 >> S_EDIT_BUF_SIZE);
290 if (mc_write (fd, (char *) edit->buffers2[buf] + EDIT_BUF_SIZE - (edit->curs2 & M_EDIT_BUF_SIZE) - 1, 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) != 1 + (edit->curs2 & M_EDIT_BUF_SIZE)) {
291 filelen = -1;
292 } else {
293 while (--buf >= 0) {
294 if (mc_write (fd, (char *) edit->buffers2[buf], EDIT_BUF_SIZE) != EDIT_BUF_SIZE) {
295 filelen = -1;
296 break;
297 }
298 }
299 }
300 edit->curs2++;
301 }
302 if (mc_close (fd))
303 goto error_save;
304 #endif /* !CR_LF_TRANSLATION */
305 }
306
307 if (filelen != edit->last_byte)
308 goto error_save;
309 if (this_save_mode == 2)
310 if (mc_rename (filename, catstrs (filename, option_backup_ext, 0)) == -1)
311 goto error_save;
312 if (this_save_mode > 0)
313 if (mc_rename (savename, filename) == -1)
314 goto error_save;
315 if (savename)
316 g_free (savename);
317 return 1;
318 error_save:
319 if (savename)
320 g_free (savename);
321 return 0;
322 }
323
324 /*
325 I changed this from Oleg's original routine so
326 that option_backup_ext works with coolwidgets as well. This
327 does mean there is a memory leak - paul.
328 */
329 void menu_save_mode_cmd (void)
330 {
331 #define DLG_X 38
332 #define DLG_Y 10
333 static char *str_result;
334 static int save_mode_new;
335 static char *str[] =
336 {
337 N_("Quick save "),
338 N_("Safe save "),
339 N_("Do backups -->")};
340 static QuickWidget widgets[] =
341 {
342 {quick_button, 18, DLG_X, 7, DLG_Y, N_("&Cancel"), 0,
343 B_CANCEL, 0, 0, "c"},
344 {quick_button, 6, DLG_X, 7, DLG_Y, N_("&Ok"), 0,
345 B_ENTER, 0, 0, "o"},
346 {quick_input, 23, DLG_X, 5, DLG_Y, 0, 9,
347 0, 0, &str_result, "edit-backup-ext"},
348 {quick_label, 22, DLG_X, 4, DLG_Y, N_("Extension:"), 0,
349 0, 0, 0, "savemext"},
350 {quick_radio, 4, DLG_X, 3, DLG_Y, "", 3,
351 0, &save_mode_new, str, "t"},
352 {0}};
353 static QuickDialog dialog =
354 {DLG_X, DLG_Y, -1, -1, N_(" Edit Save Mode "), "[Edit Save Mode]",
355 widgets};
356 static int i18n_flag = 0;
357
358 if (!i18n_flag) {
359 int i;
360 int maxlen = 0;
361 int dlg_x;
362 int l1;
363
364 /* Ok/Cancel buttons */
365 l1 = strlen (_(widgets[0].text)) + strlen (_(widgets[1].text)) + 5;
366 maxlen = max (maxlen, l1);
367
368 for (i = 0; i < 3; i++ ) {
369 str[i] = _(str[i]);
370 maxlen = max (maxlen, strlen (str[i]) + 7);
371 }
372 i18n_flag = 1;
373
374 dlg_x = maxlen + strlen (_(widgets[3].text)) + 5 + 1;
375 widgets[2].hotkey_pos = strlen (_(widgets[3].text)); /* input field length */
376 dlg_x = min (COLS, dlg_x);
377 dialog.xlen = dlg_x;
378
379 i = (dlg_x - l1)/3;
380 widgets[1].relative_x = i;
381 widgets[0].relative_x = i + strlen (_(widgets[1].text)) + i + 4;
382
383 widgets[2].relative_x = widgets[3].relative_x = maxlen + 2;
384
385 for (i = 0; i < sizeof (widgets)/sizeof (widgets[0]); i++)
386 widgets[i].x_divisions = dlg_x;
387 }
388
389 widgets[2].text = option_backup_ext;
390 widgets[4].value = option_save_mode;
391 if (quick_dialog (&dialog) != B_ENTER)
392 return;
393 option_save_mode = save_mode_new;
394 option_backup_ext = str_result; /* this is a memory leak */
395 option_backup_ext_int = 0;
396 str_result[min (strlen (str_result), sizeof (int))] = '\0';
397 memcpy ((char *) &option_backup_ext_int, str_result, strlen (option_backup_ext));
398 }
399
400 void edit_split_filename (WEdit * edit, const char *f)
401 {
402 if (edit->filename)
403 free (edit->filename);
404 edit->filename = (char *) strdup (f);
405 if (edit->dir)
406 free (edit->dir);
407 edit->dir = (char *) strdup ("");
408 }
409
410 /* Here we want to warn the users of overwriting an existing file,
411 but only if they have made a change to the filename */
412 /* returns 1 on success */
413 int edit_save_as_cmd (WEdit * edit)
414 {
415 /* This heads the 'Save As' dialog box */
416 char *exp = 0;
417 int different_filename = 0;
418
419 exp = edit_get_save_file (edit->dir, edit->filename, _(" Save As "));
420 edit_push_action (edit, KEY_PRESS + edit->start_display);
421
422 if (exp) {
423 if (!*exp) {
424 g_free (exp);
425 edit->force |= REDRAW_COMPLETELY;
426 return 0;
427 } else {
428 if (strcmp(catstrs (edit->dir, edit->filename, 0), exp)) {
429 int file;
430 different_filename = 1;
431 if ((file = mc_open ((char *) exp, O_RDONLY)) != -1) { /* the file exists */
432 mc_close (file);
433 if (edit_query_dialog2 (_(" Warning "),
434 _(" A file already exists with this name. "),
435 /* Push buttons to over-write the current file, or cancel the operation */
436 _("Overwrite"), _("Cancel"))) {
437 edit->force |= REDRAW_COMPLETELY;
438 g_free (exp);
439 return 0;
440 }
441 }
442 }
443 if (edit_save_file (edit, exp)) {
444 edit_split_filename (edit, exp);
445 g_free (exp);
446 edit->modified = 0;
447 edit->delete_file = 0;
448 if (different_filename && !edit->explicit_syntax)
449 edit_load_syntax (edit, 0, 0);
450 edit->force |= REDRAW_COMPLETELY;
451 return 1;
452 } else {
453 g_free (exp);
454 edit_error_dialog (_(" Save As "), get_sys_error (_(" Error trying to save file. ")));
455 edit->force |= REDRAW_COMPLETELY;
456 return 0;
457 }
458 }
459 }
460 edit->force |= REDRAW_COMPLETELY;
461 return 0;
462 }
463
464 /* {{{ Macro stuff starts here */
465
466 int
467 raw_callback (struct Dlg_head *h, int key, int Msg)
468 {
469 switch (Msg) {
470 case DLG_KEY:
471 h->running = 0;
472 h->ret_value = key;
473 return MSG_HANDLED;
474 }
475 return default_dlg_callback (h, key, Msg);;
476 }
477
478 /* gets a raw key from the keyboard. Passing cancel = 1 draws
479 a cancel button thus allowing c-c etc. Alternatively, cancel = 0
480 will return the next key pressed. ctrl-a (=B_CANCEL), ctrl-g, ctrl-c,
481 and Esc are cannot returned */
482 int
483 edit_raw_key_query (char *heading, char *query, int cancel)
484 {
485 int w = strlen (query) + 7;
486 struct Dlg_head *raw_dlg =
487 create_dlg (0, 0, 7, w, dialog_colors, raw_callback,
488 NULL, heading,
489 DLG_CENTER | DLG_TRYUP | DLG_WANT_TAB);
490 if (cancel)
491 add_widget (raw_dlg,
492 button_new (4, w / 2 - 5, B_CANCEL, NORMAL_BUTTON,
493 _("Cancel"), 0, 0, 0));
494 add_widget (raw_dlg, label_new (3 - cancel, 2, query, 0));
495 add_widget (raw_dlg,
496 input_new (3 - cancel, w - 5, INPUT_COLOR, 2, "", 0));
497 run_dlg (raw_dlg);
498 w = raw_dlg->ret_value;
499 destroy_dlg (raw_dlg);
500 if (cancel) {
501 if (w == XCTRL ('g') || w == XCTRL ('c') || w == ESC_CHAR
502 || w == B_CANCEL)
503 return 0;
504 }
505
506 return w;
507 }
508
509 /* creates a macro file if it doesn't exist */
510 static FILE *edit_open_macro_file (const char *r)
511 {
512 char *filename;
513 int file;
514 filename = catstrs (home_dir, MACRO_FILE, 0);
515 if ((file = open (filename, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) == -1)
516 return 0;
517 close (file);
518 return fopen (filename, r);
519 }
520
521 #define MAX_MACROS 1024
522 static int saved_macro[MAX_MACROS + 1];
523 static int saved_macros_loaded = 0;
524
525 /*
526 This is just to stop the macro file be loaded over and over for keys
527 that aren't defined to anything. On slow systems this could be annoying.
528 */
529 int macro_exists (int k)
530 {
531 int i;
532 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++)
533 if (saved_macro[i] == k)
534 return i;
535 return -1;
536 }
537
538 /* returns 1 on error */
539 int edit_delete_macro (WEdit * edit, int k)
540 {
541 struct macro macro[MAX_MACRO_LENGTH];
542 FILE *f, *g;
543 int s, i, n, j = 0;
544
545 if (saved_macros_loaded)
546 if ((j = macro_exists (k)) < 0)
547 return 0;
548 g = fopen (catstrs (home_dir, TEMP_FILE, 0), "w");
549 if (!g) {
550 /* This heads the delete macro error dialog box */
551 edit_error_dialog (_(" Delete macro "),
552 /* 'Open' = load temp file */
553 get_sys_error (_(" Error trying to open temp file ")));
554 return 1;
555 }
556 f = edit_open_macro_file ("r");
557 if (!f) {
558 /* This heads the delete macro error dialog box */
559 edit_error_dialog (_(" Delete macro "),
560 /* 'Open' = load temp file */
561 get_sys_error (_(" Error trying to open macro file ")));
562 fclose (g);
563 return 1;
564 }
565 for (;;) {
566 n = fscanf (f, ("key '%d 0': "), &s);
567 if (!n || n == EOF)
568 break;
569 n = 0;
570 while (fscanf (f, "%hd %hd, ", &macro[n].command, &macro[n].ch))
571 n++;
572 fscanf (f, ";\n");
573 if (s != k) {
574 fprintf (g, ("key '%d 0': "), s);
575 for (i = 0; i < n; i++)
576 fprintf (g, "%hd %hd, ", macro[i].command, macro[i].ch);
577 fprintf (g, ";\n");
578 }
579 }
580 fclose (f);
581 fclose (g);
582 if (rename (catstrs (home_dir, TEMP_FILE, 0), catstrs (home_dir, MACRO_FILE, 0)) == -1) {
583 /* This heads the delete macro error dialog box */
584 edit_error_dialog (_(" Delete macro "),
585 get_sys_error (_(" Error trying to overwrite macro file ")));
586 return 1;
587 }
588 if (saved_macros_loaded)
589 memmove (saved_macro + j, saved_macro + j + 1, sizeof (int) * (MAX_MACROS - j - 1));
590 return 0;
591 }
592
593 /* returns 0 on error */
594 int edit_save_macro_cmd (WEdit * edit, struct macro macro[], int n)
595 {
596 FILE *f;
597 int s, i;
598
599 edit_push_action (edit, KEY_PRESS + edit->start_display);
600 /* This heads the 'Macro' dialog box */
601 s = edit_raw_key_query (_(" Macro "),
602 /* Input line for a single key press follows the ':' */
603 _(" Press the macro's new hotkey: "), 1);
604 edit->force |= REDRAW_COMPLETELY;
605 if (s) {
606 if (edit_delete_macro (edit, s))
607 return 0;
608 f = edit_open_macro_file ("a+");
609 if (f) {
610 fprintf (f, ("key '%d 0': "), s);
611 for (i = 0; i < n; i++)
612 fprintf (f, "%hd %hd, ", macro[i].command, macro[i].ch);
613 fprintf (f, ";\n");
614 fclose (f);
615 if (saved_macros_loaded) {
616 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++);
617 saved_macro[i] = s;
618 }
619 return 1;
620 } else
621 /* This heads the 'Save Macro' dialog box */
622 edit_error_dialog (_(" Save macro "), get_sys_error (_(" Error trying to open macro file ")));
623 }
624 return 0;
625 }
626
627 void edit_delete_macro_cmd (WEdit * edit)
628 {
629 int command;
630
631 command = edit_raw_key_query (_ (" Delete Macro "),
632 _ (" Press macro hotkey: "), 1);
633
634 if (!command)
635 return;
636
637 edit_delete_macro (edit, command);
638 }
639
640 /* return 0 on error */
641 int edit_load_macro_cmd (WEdit * edit, struct macro macro[], int *n, int k)
642 {
643 FILE *f;
644 int s, i = 0, found = 0;
645
646 if (saved_macros_loaded)
647 if (macro_exists (k) < 0)
648 return 0;
649
650 if ((f = edit_open_macro_file ("r"))) {
651 struct macro dummy;
652 do {
653 int u;
654 u = fscanf (f, ("key '%d 0': "), &s);
655 if (!u || u == EOF)
656 break;
657 if (!saved_macros_loaded)
658 saved_macro[i++] = s;
659 if (!found) {
660 *n = 0;
661 while (*n < MAX_MACRO_LENGTH && 2 == fscanf (f, "%hd %hd, ", &macro[*n].command, &macro[*n].ch))
662 (*n)++;
663 } else {
664 while (2 == fscanf (f, "%hd %hd, ", &dummy.command, &dummy.ch));
665 }
666 fscanf (f, ";\n");
667 if (s == k)
668 found = 1;
669 } while (!found || !saved_macros_loaded);
670 if (!saved_macros_loaded) {
671 saved_macro[i] = 0;
672 saved_macros_loaded = 1;
673 }
674 fclose (f);
675 return found;
676 } else
677 /* This heads the 'Load Macro' dialog box */
678 edit_error_dialog (_(" Load macro "),
679 get_sys_error (_(" Error trying to open macro file ")));
680 return 0;
681 }
682
683 /* }}} Macro stuff starts here */
684
685 /* returns 1 on success */
686 int edit_save_confirm_cmd (WEdit * edit)
687 {
688 char *f;
689
690 if (edit_confirm_save) {
691 f = catstrs (_(" Confirm save file? : "), edit->filename, " ", 0);
692 /* Buttons to 'Confirm save file' query */
693 if (edit_query_dialog2 (_(" Save file "), f, _("Save"), _("Cancel")))
694 return 0;
695 }
696 return edit_save_cmd (edit);
697 }
698
699
700 /* returns 1 on success */
701 int edit_save_cmd (WEdit * edit)
702 {
703 if (!edit_save_file (edit, catstrs (edit->dir, edit->filename, 0)))
704 return edit_save_as_cmd (edit);
705 edit->force |= REDRAW_COMPLETELY;
706 edit->modified = 0;
707 edit->delete_file = 0;
708
709 return 1;
710 }
711
712
713 /* returns 1 on success */
714 int edit_new_cmd (WEdit * edit)
715 {
716 if (edit->modified) {
717 if (edit_query_dialog2 (_ (" Warning "), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("Continue"), _ ("Cancel"))) {
718 edit->force |= REDRAW_COMPLETELY;
719 return 0;
720 }
721 }
722 edit->force |= REDRAW_COMPLETELY;
723 edit->modified = 0;
724 return edit_renew (edit); /* if this gives an error, something has really screwed up */
725 }
726
727 /* returns 1 on error */
728 int edit_load_file_from_filename (WEdit * edit, char *exp)
729 {
730 if (!edit_reload (edit, exp, 0, "", 0))
731 return 1;
732 edit_split_filename (edit, exp);
733 edit->modified = 0;
734 return 0;
735 }
736
737 int edit_load_cmd (WEdit * edit)
738 {
739 char *exp;
740
741 if (edit->modified) {
742 if (edit_query_dialog2 (_ (" Warning "), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("Continue"), _ ("Cancel"))) {
743 edit->force |= REDRAW_COMPLETELY;
744 return 0;
745 }
746 }
747
748 exp = edit_get_load_file (edit->dir, edit->filename, _ (" Load "));
749
750 if (exp) {
751 if (*exp)
752 edit_load_file_from_filename (edit, exp);
753 g_free (exp);
754 }
755 edit->force |= REDRAW_COMPLETELY;
756 return 0;
757 }
758
759 /*
760 if mark2 is -1 then marking is from mark1 to the cursor.
761 Otherwise its between the markers. This handles this.
762 Returns 1 if no text is marked.
763 */
764 int eval_marks (WEdit * edit, long *start_mark, long *end_mark)
765 {
766 if (edit->mark1 != edit->mark2) {
767 if (edit->mark2 >= 0) {
768 *start_mark = min (edit->mark1, edit->mark2);
769 *end_mark = max (edit->mark1, edit->mark2);
770 } else {
771 *start_mark = min (edit->mark1, edit->curs1);
772 *end_mark = max (edit->mark1, edit->curs1);
773 edit->column2 = edit->curs_col;
774 }
775 return 0;
776 } else {
777 *start_mark = *end_mark = 0;
778 edit->column2 = edit->column1 = 0;
779 return 1;
780 }
781 }
782
783 #define space_width 1
784
785 void edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width)
786 {
787 long cursor;
788 int i, col;
789 cursor = edit->curs1;
790 col = edit_get_col (edit);
791 for (i = 0; i < size; i++) {
792 if (data[i] == '\n') { /* fill in and move to next line */
793 int l;
794 long p;
795 if (edit_get_byte (edit, edit->curs1) != '\n') {
796 l = width - (edit_get_col (edit) - col);
797 while (l > 0) {
798 edit_insert (edit, ' ');
799 l -= space_width;
800 }
801 }
802 for (p = edit->curs1;; p++) {
803 if (p == edit->last_byte)
804 edit_insert_ahead (edit, '\n');
805 if (edit_get_byte (edit, p) == '\n') {
806 p++;
807 break;
808 }
809 }
810 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
811 l = col - edit_get_col (edit);
812 while (l >= space_width) {
813 edit_insert (edit, ' ');
814 l -= space_width;
815 }
816 continue;
817 }
818 edit_insert (edit, data[i]);
819 }
820 edit_cursor_move (edit, cursor - edit->curs1);
821 }
822
823
824 void edit_block_copy_cmd (WEdit * edit)
825 {
826 long start_mark, end_mark, current = edit->curs1;
827 int size, x;
828 unsigned char *copy_buf;
829
830 edit_update_curs_col (edit);
831 x = edit->curs_col;
832 if (eval_marks (edit, &start_mark, &end_mark))
833 return;
834 if (column_highlighting)
835 if ((x >= edit->column1 && x < edit->column2) || (x > edit->column2 && x <= edit->column1))
836 return;
837
838 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
839
840 /* all that gets pushed are deletes hence little space is used on the stack */
841
842 edit_push_markers (edit);
843
844 if (column_highlighting) {
845 edit_insert_column_of_text (edit, copy_buf, size, abs (edit->column2 - edit->column1));
846 } else {
847 while (size--)
848 edit_insert_ahead (edit, copy_buf[size]);
849 }
850
851 free (copy_buf);
852 edit_scroll_screen_over_cursor (edit);
853
854 if (column_highlighting) {
855 edit_set_markers (edit, 0, 0, 0, 0);
856 edit_push_action (edit, COLUMN_ON);
857 column_highlighting = 0;
858 } else if (start_mark < current && end_mark > current)
859 edit_set_markers (edit, start_mark, end_mark + end_mark - start_mark, 0, 0);
860
861 edit->force |= REDRAW_PAGE;
862 }
863
864
865 void edit_block_move_cmd (WEdit * edit)
866 {
867 long count;
868 long current;
869 unsigned char *copy_buf;
870 long start_mark, end_mark;
871 int deleted = 0;
872 int x = 0;
873
874 if (eval_marks (edit, &start_mark, &end_mark))
875 return;
876 if (column_highlighting) {
877 edit_update_curs_col (edit);
878 x = edit->curs_col;
879 if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
880 if ((x > edit->column1 && x < edit->column2) || (x > edit->column2 && x < edit->column1))
881 return;
882 } else if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
883 return;
884
885 if ((end_mark - start_mark) > option_max_undo / 2)
886 if (edit_query_dialog2 (_ (" Warning "), _ (" Block is large, you may not be able to undo this action. "), _ ("Continue"), _ ("Cancel")))
887 return;
888
889 edit_push_markers (edit);
890 current = edit->curs1;
891 if (column_highlighting) {
892 int size, c1, c2, line;
893 line = edit->curs_line;
894 if (edit->mark2 < 0)
895 edit_mark_cmd (edit, 0);
896 c1 = min (edit->column1, edit->column2);
897 c2 = max (edit->column1, edit->column2);
898 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
899 if (x < c2) {
900 edit_block_delete_cmd (edit);
901 deleted = 1;
902 }
903 edit_move_to_line (edit, line);
904 edit_cursor_move (edit, edit_move_forward3 (edit, edit_bol (edit, edit->curs1), x, 0) - edit->curs1);
905 edit_insert_column_of_text (edit, copy_buf, size, c2 - c1);
906 if (!deleted) {
907 line = edit->curs_line;
908 edit_update_curs_col (edit);
909 x = edit->curs_col;
910 edit_block_delete_cmd (edit);
911 edit_move_to_line (edit, line);
912 edit_cursor_move (edit, edit_move_forward3 (edit, edit_bol (edit, edit->curs1), x, 0) - edit->curs1);
913 }
914 edit_set_markers (edit, 0, 0, 0, 0);
915 edit_push_action (edit, COLUMN_ON);
916 column_highlighting = 0;
917 } else {
918 copy_buf = malloc (end_mark - start_mark);
919 edit_cursor_move (edit, start_mark - edit->curs1);
920 edit_scroll_screen_over_cursor (edit);
921 count = start_mark;
922 while (count < end_mark) {
923 copy_buf[end_mark - count - 1] = edit_delete (edit);
924 count++;
925 }
926 edit_scroll_screen_over_cursor (edit);
927 edit_cursor_move (edit, current - edit->curs1 - (((current - edit->curs1) > 0) ? end_mark - start_mark : 0));
928 edit_scroll_screen_over_cursor (edit);
929 while (count-- > start_mark)
930 edit_insert_ahead (edit, copy_buf[end_mark - count - 1]);
931 edit_set_markers (edit, edit->curs1, edit->curs1 + end_mark - start_mark, 0, 0);
932 }
933 edit_scroll_screen_over_cursor (edit);
934 free (copy_buf);
935 edit->force |= REDRAW_PAGE;
936 }
937
938 void edit_cursor_to_bol (WEdit * edit);
939
940 void edit_delete_column_of_text (WEdit * edit)
941 {
942 long p, q, r, m1, m2;
943 int b, c, d;
944 int n;
945
946 eval_marks (edit, &m1, &m2);
947 n = edit_move_forward (edit, m1, 0, m2) + 1;
948 c = edit_move_forward3 (edit, edit_bol (edit, m1), 0, m1);
949 d = edit_move_forward3 (edit, edit_bol (edit, m2), 0, m2);
950
951 b = min (c, d);
952 c = max (c, d);
953
954 while (n--) {
955 r = edit_bol (edit, edit->curs1);
956 p = edit_move_forward3 (edit, r, b, 0);
957 q = edit_move_forward3 (edit, r, c, 0);
958 if (p < m1)
959 p = m1;
960 if (q > m2)
961 q = m2;
962 edit_cursor_move (edit, p - edit->curs1);
963 while (q > p) { /* delete line between margins */
964 if (edit_get_byte (edit, edit->curs1) != '\n')
965 edit_delete (edit);
966 q--;
967 }
968 if (n) /* move to next line except on the last delete */
969 edit_cursor_move (edit, edit_move_forward (edit, edit->curs1, 1, 0) - edit->curs1);
970 }
971 }
972
973 /* if success return 0 */
974 int edit_block_delete (WEdit * edit)
975 {
976 long count;
977 long start_mark, end_mark;
978 if (eval_marks (edit, &start_mark, &end_mark))
979 return 0;
980 if (column_highlighting && edit->mark2 < 0)
981 edit_mark_cmd (edit, 0);
982 if ((end_mark - start_mark) > option_max_undo / 2)
983 /* Warning message with a query to continue or cancel the operation */
984 if (edit_query_dialog2 (_ (" Warning "), _ (" Block is large, you may not be able to undo this action. "), _ (" Continue "), _ (" Cancel ")))
985 return 1;
986 edit_push_markers (edit);
987 edit_cursor_move (edit, start_mark - edit->curs1);
988 edit_scroll_screen_over_cursor (edit);
989 count = start_mark;
990 if (start_mark < end_mark) {
991 if (column_highlighting) {
992 if (edit->mark2 < 0)
993 edit_mark_cmd (edit, 0);
994 edit_delete_column_of_text (edit);
995 } else {
996 while (count < end_mark) {
997 edit_delete (edit);
998 count++;
999 }
1000 }
1001 }
1002 edit_set_markers (edit, 0, 0, 0, 0);
1003 edit->force |= REDRAW_PAGE;
1004 return 0;
1005 }
1006
1007 /* returns 1 if canceelled by user */
1008 int edit_block_delete_cmd (WEdit * edit)
1009 {
1010 long start_mark, end_mark;
1011 if (eval_marks (edit, &start_mark, &end_mark)) {
1012 edit_delete_line (edit);
1013 return 0;
1014 }
1015 return edit_block_delete (edit);
1016 }
1017
1018
1019 #define INPUT_INDEX 9
1020 #define SEARCH_DLG_WIDTH 58
1021 #define SEARCH_DLG_HEIGHT 10
1022 #define REPLACE_DLG_WIDTH 58
1023 #define REPLACE_DLG_HEIGHT 15
1024 #define CONFIRM_DLG_WIDTH 79
1025 #define CONFIRM_DLG_HEIGTH 6
1026 #define B_REPLACE_ALL B_USER+1
1027 #define B_REPLACE_ONE B_USER+2
1028 #define B_SKIP_REPLACE B_USER+3
1029
1030 int edit_replace_prompt (WEdit * edit, char *replace_text, int xpos, int ypos)
1031 {
1032 QuickWidget quick_widgets[] =
1033 {
1034 {quick_button, 63, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Cancel"),
1035 0, B_CANCEL, 0, 0, NULL},
1036 {quick_button, 50, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("o&Ne"),
1037 0, B_REPLACE_ONE, 0, 0, NULL},
1038 {quick_button, 37, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("al&L"),
1039 0, B_REPLACE_ALL, 0, 0, NULL},
1040 {quick_button, 21, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Skip"),
1041 0, B_SKIP_REPLACE, 0, 0, NULL},
1042 {quick_button, 4, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Replace"),
1043 0, B_ENTER, 0, 0, NULL},
1044 {quick_label, 2, CONFIRM_DLG_WIDTH, 2, CONFIRM_DLG_HEIGTH, 0,
1045 0, 0, 0, 0, 0},
1046 {0}};
1047
1048 #ifdef HAVE_CHARSET
1049 char *msg = _(" Replace with: ");
1050
1051 quick_widgets[5].text = catstrs (msg, replace_text, 0);
1052
1053 if (*replace_text)
1054 convert_to_display (quick_widgets[5].text + strlen (msg));
1055 #else
1056 quick_widgets[5].text = catstrs (_ (" Replace with: "), replace_text, 0);
1057 #endif /* !HAVE_CHARSET */
1058
1059 {
1060 QuickDialog Quick_input =
1061 {CONFIRM_DLG_WIDTH, CONFIRM_DLG_HEIGTH, 0, 0, N_ (" Confirm replace "),
1062 "[Input Line Keys]", 0 /*quick_widgets */ };
1063
1064 Quick_input.widgets = quick_widgets;
1065
1066 Quick_input.xpos = xpos;
1067
1068 /* Sometimes menu can hide replaced text. I don't like it */
1069
1070 if ((edit->curs_row >= ypos - 1) && (edit->curs_row <= ypos + CONFIRM_DLG_HEIGTH - 1))
1071 ypos -= CONFIRM_DLG_HEIGTH;
1072
1073 Quick_input.ypos = ypos;
1074 return quick_dialog (&Quick_input);
1075 }
1076 }
1077
1078 void edit_replace_dialog (WEdit * edit, char **search_text, char **replace_text, char **arg_order)
1079 {
1080 int treplace_scanf = replace_scanf;
1081 int treplace_regexp = replace_regexp;
1082 int treplace_all = replace_all;
1083 int treplace_prompt = replace_prompt;
1084 int treplace_backwards = replace_backwards;
1085 int treplace_whole = replace_whole;
1086 int treplace_case = replace_case;
1087
1088 QuickWidget quick_widgets[] =
1089 {
1090 {quick_button, 6, 10, 12, REPLACE_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
1091 0, NULL},
1092 {quick_button, 2, 10, 12, REPLACE_DLG_HEIGHT, N_("&Ok"), 0, B_ENTER, 0,
1093 0, NULL},
1094 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("scanf &Expression"), 0, 0,
1095 0, 0, NULL},
1096 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("replace &All"), 0, 0,
1097 0, 0, NULL},
1098 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("pr&Ompt on replace"), 0, 0,
1099 0, 0, NULL},
1100 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("&Backwards"), 0, 0,
1101 0, 0, NULL},
1102 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("&Regular expression"), 0, 0,
1103 0, 0, NULL},
1104 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("&Whole words only"), 0, 0,
1105 0, 0, NULL},
1106 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 8, REPLACE_DLG_HEIGHT, N_("case &Sensitive"), 0, 0,
1107 0, 0, NULL},
1108 {quick_input, 3, REPLACE_DLG_WIDTH, 7, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1109 0, "edit-argord"},
1110 {quick_label, 2, REPLACE_DLG_WIDTH, 6, REPLACE_DLG_HEIGHT, N_(" Enter replacement argument order eg. 3,2,1,4 "), 0, 0,
1111 0, 0, 0},
1112 {quick_input, 3, REPLACE_DLG_WIDTH, 5, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1113 0, "edit-replace"},
1114 {quick_label, 2, REPLACE_DLG_WIDTH, 4, REPLACE_DLG_HEIGHT, N_(" Enter replacement string:"), 0, 0, 0,
1115 0, 0},
1116 {quick_input, 3, REPLACE_DLG_WIDTH, 3, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1117 0, "edit-search"},
1118 {quick_label, 2, REPLACE_DLG_WIDTH, 2, REPLACE_DLG_HEIGHT, N_(" Enter search string:"), 0, 0, 0,
1119 0, 0},
1120 {0}};
1121
1122 quick_widgets[2].result = &treplace_scanf;
1123 quick_widgets[3].result = &treplace_all;
1124 quick_widgets[4].result = &treplace_prompt;
1125 quick_widgets[5].result = &treplace_backwards;
1126 quick_widgets[6].result = &treplace_regexp;
1127 quick_widgets[7].result = &treplace_whole;
1128 quick_widgets[8].result = &treplace_case;
1129 quick_widgets[9].str_result = arg_order;
1130 quick_widgets[9].text = *arg_order;
1131 quick_widgets[11].str_result = replace_text;
1132 quick_widgets[11].text = *replace_text;
1133 quick_widgets[13].str_result = search_text;
1134 quick_widgets[13].text = *search_text;
1135 {
1136 QuickDialog Quick_input =
1137 {REPLACE_DLG_WIDTH, REPLACE_DLG_HEIGHT, -1, 0, N_(" Replace "),
1138 "[Input Line Keys]", 0 /*quick_widgets */ };
1139
1140 Quick_input.widgets = quick_widgets;
1141
1142 if (quick_dialog (&Quick_input) != B_CANCEL) {
1143 replace_scanf = treplace_scanf;
1144 replace_backwards = treplace_backwards;
1145 replace_regexp = treplace_regexp;
1146 replace_all = treplace_all;
1147 replace_prompt = treplace_prompt;
1148 replace_whole = treplace_whole;
1149 replace_case = treplace_case;
1150 return;
1151 } else {
1152 *arg_order = NULL;
1153 *replace_text = NULL;
1154 *search_text = NULL;
1155 return;
1156 }
1157 }
1158 }
1159
1160
1161 void edit_search_dialog (WEdit * edit, char **search_text)
1162 {
1163 int treplace_scanf = replace_scanf;
1164 int treplace_regexp = replace_regexp;
1165 int treplace_whole = replace_whole;
1166 int treplace_case = replace_case;
1167 int treplace_backwards = replace_backwards;
1168
1169 QuickWidget quick_widgets[] =
1170 {
1171 {quick_button, 6, 10, 7, SEARCH_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
1172 0, NULL},
1173 {quick_button, 2, 10, 7, SEARCH_DLG_HEIGHT, N_("&Ok"), 0, B_ENTER, 0,
1174 0, NULL},
1175 {quick_checkbox, 33, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("scanf &Expression"), 0, 0,
1176 0, 0, NULL },
1177 {quick_checkbox, 33, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("&Backwards"), 0, 0,
1178 0, 0, NULL},
1179 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("&Regular expression"), 0, 0,
1180 0, 0, NULL},
1181 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("&Whole words only"), 0, 0,
1182 0, 0, NULL},
1183 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 4, SEARCH_DLG_HEIGHT, N_("case &Sensitive"), 0, 0,
1184 0, 0, NULL},
1185 {quick_input, 3, SEARCH_DLG_WIDTH, 3, SEARCH_DLG_HEIGHT, "", 52, 0, 0,
1186 0, "edit-search"},
1187 {quick_label, 2, SEARCH_DLG_WIDTH, 2, SEARCH_DLG_HEIGHT, N_(" Enter search string:"), 0, 0, 0,
1188 0, 0},
1189 {0}};
1190
1191 quick_widgets[2].result = &treplace_scanf;
1192 quick_widgets[3].result = &treplace_backwards;
1193 quick_widgets[4].result = &treplace_regexp;
1194 quick_widgets[5].result = &treplace_whole;
1195 quick_widgets[6].result = &treplace_case;
1196 quick_widgets[7].str_result = search_text;
1197 quick_widgets[7].text = *search_text;
1198
1199 {
1200 QuickDialog Quick_input =
1201 {SEARCH_DLG_WIDTH, SEARCH_DLG_HEIGHT, -1, 0, N_(" Search "),
1202 "[Input Line Keys]", 0 /*quick_widgets */ };
1203
1204 Quick_input.widgets = quick_widgets;
1205
1206 if (quick_dialog (&Quick_input) != B_CANCEL) {
1207 replace_scanf = treplace_scanf;
1208 replace_backwards = treplace_backwards;
1209 replace_regexp = treplace_regexp;
1210 replace_whole = treplace_whole;
1211 replace_case = treplace_case;
1212 } else {
1213 *search_text = NULL;
1214 }
1215 }
1216 }
1217
1218
1219 static long sargs[NUM_REPL_ARGS][256 / sizeof (long)];
1220
1221 #define SCANF_ARGS sargs[0], sargs[1], sargs[2], sargs[3], \
1222 sargs[4], sargs[5], sargs[6], sargs[7], \
1223 sargs[8], sargs[9], sargs[10], sargs[11], \
1224 sargs[12], sargs[13], sargs[14], sargs[15]
1225
1226 #define PRINTF_ARGS sargs[argord[0]], sargs[argord[1]], sargs[argord[2]], sargs[argord[3]], \
1227 sargs[argord[4]], sargs[argord[5]], sargs[argord[6]], sargs[argord[7]], \
1228 sargs[argord[8]], sargs[argord[9]], sargs[argord[10]], sargs[argord[11]], \
1229 sargs[argord[12]], sargs[argord[13]], sargs[argord[14]], sargs[argord[15]]
1230
1231
1232 /* This function is a modification of mc-3.2.10/src/view.c:regexp_view_search() */
1233 /* returns -3 on error in pattern, -1 on not found, found_len = 0 if either */
1234 int string_regexp_search (char *pattern, char *string, int len, int match_type, int match_bol, int icase, int *found_len, void *d)
1235 {
1236 static regex_t r;
1237 static char *old_pattern = NULL;
1238 static int old_type, old_icase;
1239 regmatch_t *pmatch;
1240 static regmatch_t s[1];
1241
1242 pmatch = (regmatch_t *) d;
1243 if (!pmatch)
1244 pmatch = s;
1245
1246 if (!old_pattern || strcmp (old_pattern, pattern) || old_type != match_type || old_icase != icase) {
1247 if (old_pattern) {
1248 regfree (&r);
1249 free (old_pattern);
1250 old_pattern = 0;
1251 }
1252 if (regcomp (&r, pattern, REG_EXTENDED | (icase ? REG_ICASE : 0))) {
1253 *found_len = 0;
1254 return -3;
1255 }
1256 old_pattern = (char *) strdup (pattern);
1257 old_type = match_type;
1258 old_icase = icase;
1259 }
1260 if (regexec (&r, string, d ? NUM_REPL_ARGS : 1, pmatch, ((match_bol || match_type != match_normal) ? 0 : REG_NOTBOL)) != 0) {
1261 *found_len = 0;
1262 return -1;
1263 }
1264 *found_len = pmatch[0].rm_eo - pmatch[0].rm_so;
1265 return (pmatch[0].rm_so);
1266 }
1267
1268 /* thanks to Liviu Daia <daia@stoilow.imar.ro> for getting this
1269 (and the above) routines to work properly - paul */
1270
1271 long 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)
1272 {
1273 long p, q = 0;
1274 long l = strlen ((char *) exp), f = 0;
1275 int n = 0;
1276
1277 for (p = 0; p < l; p++) /* count conversions... */
1278 if (exp[p] == '%')
1279 if (exp[++p] != '%') /* ...except for "%%" */
1280 n++;
1281
1282 if (replace_scanf || replace_regexp) {
1283 int c;
1284 unsigned char *buf;
1285 unsigned char mbuf[MAX_REPL_LEN * 2 + 3];
1286
1287 replace_scanf = (!replace_regexp); /* can't have both */
1288
1289 buf = mbuf;
1290
1291 if (replace_scanf) {
1292 unsigned char e[MAX_REPL_LEN];
1293 if (n >= NUM_REPL_ARGS)
1294 return -3;
1295
1296 if (replace_case) {
1297 for (p = start; p < last_byte && p < start + MAX_REPL_LEN; p++)
1298 buf[p - start] = (*get_byte) (data, p);
1299 } else {
1300 for (p = 0; exp[p] != 0; p++)
1301 exp[p] = my_lower_case (exp[p]);
1302 for (p = start; p < last_byte && p < start + MAX_REPL_LEN; p++) {
1303 c = (*get_byte) (data, p);
1304 buf[p - start] = my_lower_case (c);
1305 }
1306 }
1307
1308 buf[(q = p - start)] = 0;
1309 strcpy ((char *) e, (char *) exp);
1310 strcat ((char *) e, "%n");
1311 exp = e;
1312
1313 while (q) {
1314 *((int *) sargs[n]) = 0; /* --> here was the problem - now fixed: good */
1315 if (n == sscanf ((char *) buf, (char *) exp, SCANF_ARGS)) {
1316 if (*((int *) sargs[n])) {
1317 *len = *((int *) sargs[n]);
1318 return start;
1319 }
1320 }
1321 if (once_only)
1322 return -2;
1323 if (q + start < last_byte) {
1324 if (replace_case) {
1325 buf[q] = (*get_byte) (data, q + start);
1326 } else {
1327 c = (*get_byte) (data, q + start);
1328 buf[q] = my_lower_case (c);
1329 }
1330 q++;
1331 }
1332 buf[q] = 0;
1333 start++;
1334 buf++; /* move the window along */
1335 if (buf == mbuf + MAX_REPL_LEN) { /* the window is about to go past the end of array, so... */
1336 memmove (mbuf, buf, strlen ((char *) buf) + 1); /* reset it */
1337 buf = mbuf;
1338 }
1339 q--;
1340 }
1341 } else { /* regexp matching */
1342 long offset = 0;
1343 int found_start, match_bol, move_win = 0;
1344
1345 while (start + offset < last_byte) {
1346 match_bol = (offset == 0 || (*get_byte) (data, start + offset - 1) == '\n');
1347 if (!move_win) {
1348 p = start + offset;
1349 q = 0;
1350 }
1351 for (; p < last_byte && q < MAX_REPL_LEN; p++, q++) {
1352 mbuf[q] = (*get_byte) (data, p);
1353 if (mbuf[q] == '\n')
1354 break;
1355 }
1356 q++;
1357 offset += q;
1358 mbuf[q] = 0;
1359
1360 buf = mbuf;
1361 while (q) {
1362 found_start = string_regexp_search ((char *) exp, (char *) buf, q, match_normal, match_bol, !replace_case, len, d);
1363
1364 if (found_start <= -2) { /* regcomp/regexec error */
1365 *len = 0;
1366 return -3;
1367 }
1368 else if (found_start == -1) /* not found: try next line */
1369 break;
1370 else if (*len == 0) { /* null pattern: try again at next character */
1371 q--;
1372 buf++;
1373 match_bol = 0;
1374 continue;
1375 }
1376 else /* found */
1377 return (start + offset - q + found_start);
1378 }
1379 if (once_only)
1380 return -2;
1381
1382 if (buf[q - 1] != '\n') { /* incomplete line: try to recover */
1383 buf = mbuf + MAX_REPL_LEN / 2;
1384 q = strlen ((char *) buf);
1385 memmove (mbuf, buf, q);
1386 p = start + q;
1387 move_win = 1;
1388 }
1389 else
1390 move_win = 0;
1391 }
1392 }
1393 } else {
1394 *len = strlen ((char *) exp);
1395 if (replace_case) {
1396 for (p = start; p <= last_byte - l; p++) {
1397 if ((*get_byte) (data, p) == (unsigned char)exp[0]) { /* check if first char matches */
1398 for (f = 0, q = 0; q < l && f < 1; q++)
1399 if ((*get_byte) (data, q + p) != (unsigned char)exp[q])
1400 f = 1;
1401 if (f == 0)
1402 return p;
1403 }
1404 if (once_only)
1405 return -2;
1406 }
1407 } else {
1408 for (p = 0; exp[p] != 0; p++)
1409 exp[p] = my_lower_case (exp[p]);
1410
1411 for (p = start; p <= last_byte - l; p++) {
1412 if (my_lower_case ((*get_byte) (data, p)) == (unsigned char)exp[0]) {
1413 for (f = 0, q = 0; q < l && f < 1; q++)
1414 if (my_lower_case ((*get_byte) (data, q + p)) != (unsigned char)exp[q])
1415 f = 1;
1416 if (f == 0)
1417 return p;
1418 }
1419 if (once_only)
1420 return -2;
1421 }
1422 }
1423 }
1424 return -2;
1425 }
1426
1427
1428 long 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)
1429 { /*front end to find_string to check for
1430 whole words */
1431 long p;
1432 p = search_start;
1433
1434 while ((p = edit_find_string (p, exp, len, last_byte, get_byte, data, once_only, d)) >= 0) {
1435 if (replace_whole) {
1436 /*If the bordering chars are not in option_whole_chars_search then word is whole */
1437 if (!strcasechr (option_whole_chars_search, (*get_byte) (data, p - 1))
1438 && !strcasechr (option_whole_chars_search, (*get_byte) (data, p + *len)))
1439 return p;
1440 if (once_only)
1441 return -2;
1442 } else
1443 return p;
1444 if (once_only)
1445 break;
1446 p++; /*not a whole word so continue search. */
1447 }
1448 return p;
1449 }
1450
1451 long edit_find (long search_start, unsigned char *exp, int *len, long last_byte, int (*get_byte) (void *, long), void *data, void *d)
1452 {
1453 long p;
1454 if (replace_backwards) {
1455 while (search_start >= 0) {
1456 p = edit_find_forwards (search_start, exp, len, last_byte, get_byte, data, 1, d);
1457 if (p == search_start)
1458 return p;
1459 search_start--;
1460 }
1461 } else {
1462 return edit_find_forwards (search_start, exp, len, last_byte, get_byte, data, 0, d);
1463 }
1464 return -2;
1465 }
1466
1467 #define is_digit(x) ((x) >= '0' && (x) <= '9')
1468
1469 #define snprintf(v) { \
1470 *p1++ = *p++; \
1471 *p1++ = '%'; \
1472 *p1++ = 'n'; \
1473 *p1 = '\0'; \
1474 sprintf(s,q1,v,&n); \
1475 s += n; \
1476 }
1477
1478 /* this function uses the sprintf command to do a vprintf */
1479 /* it takes pointers to arguments instead of the arguments themselves */
1480 static int sprintf_p (char *str, const char *fmt,...)
1481 __attribute__ ((format (printf, 2, 3)));
1482
1483 static int sprintf_p (char *str, const char *fmt,...)
1484 {
1485 va_list ap;
1486 int n;
1487 char *q, *p, *s = str;
1488 char q1[32];
1489 char *p1;
1490
1491 va_start (ap, fmt);
1492 p = q = (char *) fmt;
1493
1494 while ((p = strchr (p, '%'))) {
1495 n = p - q;
1496 strncpy (s, q, n); /* copy stuff between format specifiers */
1497 s += n;
1498 *s = 0;
1499 q = p;
1500 p1 = q1;
1501 *p1++ = *p++;
1502 if (*p == '%') {
1503 p++;
1504 *s++ = '%';
1505 q = p;
1506 continue;
1507 }
1508 if (*p == 'n') {
1509 p++;
1510 /* do nothing */
1511 q = p;
1512 continue;
1513 }
1514 if (*p == '#')
1515 *p1++ = *p++;
1516 if (*p == '0')
1517 *p1++ = *p++;
1518 if (*p == '-')
1519 *p1++ = *p++;
1520 if (*p == '+')
1521 *p1++ = *p++;
1522 if (*p == '*') {
1523 p++;
1524 strcpy (p1, itoa (*va_arg (ap, int *))); /* replace field width with a number */
1525 p1 += strlen (p1);
1526 } else {
1527 while (is_digit (*p))
1528 *p1++ = *p++;
1529 }
1530 if (*p == '.')
1531 *p1++ = *p++;
1532 if (*p == '*') {
1533 p++;
1534 strcpy (p1, itoa (*va_arg (ap, int *))); /* replace precision with a number */
1535 p1 += strlen (p1);
1536 } else {
1537 while (is_digit (*p))
1538 *p1++ = *p++;
1539 }
1540 /* flags done, now get argument */
1541 if (*p == 's') {
1542 snprintf (va_arg (ap, char *));
1543 } else if (*p == 'h') {
1544 if (strchr ("diouxX", *p))
1545 snprintf (*va_arg (ap, short *));
1546 } else if (*p == 'l') {
1547 *p1++ = *p++;
1548 if (strchr ("diouxX", *p))
1549 snprintf (*va_arg (ap, long *));
1550 } else if (strchr ("cdiouxX", *p)) {
1551 snprintf (*va_arg (ap, int *));
1552 } else if (*p == 'L') {
1553 *p1++ = *p++;
1554 if (strchr ("EefgG", *p))
1555 snprintf (*va_arg (ap, double *)); /* should be long double */
1556 } else if (strchr ("EefgG", *p)) {
1557 snprintf (*va_arg (ap, double *));
1558 } else if (strchr ("DOU", *p)) {
1559 snprintf (*va_arg (ap, long *));
1560 } else if (*p == 'p') {
1561 snprintf (*va_arg (ap, void **));
1562 }
1563 q = p;
1564 }
1565 va_end (ap);
1566 sprintf (s, q); /* print trailing leftover */
1567 return s - str + strlen (s);
1568 }
1569
1570 static void regexp_error (WEdit *edit)
1571 {
1572 /* "Error: Syntax error in regular expression, or scanf expression contained too many %'s */
1573 edit_error_dialog (_(" Error "), _(" Invalid regular expression, or scanf expression with to many conversions "));
1574 }
1575
1576 /* call with edit = 0 before shutdown to close memory leaks */
1577 void edit_replace_cmd (WEdit * edit, int again)
1578 {
1579 static regmatch_t pmatch[NUM_REPL_ARGS];
1580 static char *old1 = NULL;
1581 static char *old2 = NULL;
1582 static char *old3 = NULL;
1583 char *exp1 = "";
1584 char *exp2 = "";
1585 char *exp3 = "";
1586 int replace_yes;
1587 int replace_continue;
1588 int treplace_prompt = 0;
1589 int i = 0;
1590 long times_replaced = 0, last_search;
1591 int argord[NUM_REPL_ARGS];
1592
1593 if (!edit) {
1594 if (old1) {
1595 g_free (old1);
1596 old1 = 0;
1597 }
1598 if (old2) {
1599 g_free (old2);
1600 old2 = 0;
1601 }
1602 if (old3) {
1603 g_free (old3);
1604 old3 = 0;
1605 }
1606 return;
1607 }
1608 last_search = edit->last_byte;
1609
1610 edit->force |= REDRAW_COMPLETELY;
1611
1612 exp1 = old1 ? old1 : exp1;
1613 exp2 = old2 ? old2 : exp2;
1614 exp3 = old3 ? old3 : exp3;
1615
1616 if (again) {
1617 if (!old1 || !old2)
1618 return;
1619 exp1 = g_strdup (old1);
1620 exp2 = g_strdup (old2);
1621 exp3 = g_strdup (old3);
1622 } else {
1623 edit_push_action (edit, KEY_PRESS + edit->start_display);
1624
1625 #ifdef HAVE_CHARSET
1626 if (exp1 && *exp1)
1627 convert_to_display (exp1);
1628 if (exp2 && *exp2)
1629 convert_to_display (exp2);
1630 #endif /* HAVE_CHARSET */
1631
1632 edit_replace_dialog (edit, &exp1, &exp2, &exp3);
1633
1634 #ifdef HAVE_CHARSET
1635 if (exp1 && *exp1)
1636 convert_from_input (exp1);
1637 if (exp2 && *exp2)
1638 convert_from_input (exp2);
1639 #endif /* HAVE_CHARSET */
1640
1641 treplace_prompt = replace_prompt;
1642 }
1643
1644 if (!exp1 || !*exp1) {
1645 edit->force = REDRAW_COMPLETELY;
1646 if (exp1)
1647 g_free (exp1);
1648 if (exp2)
1649 g_free (exp2);
1650 if (exp3)
1651 g_free (exp3);
1652 return;
1653 }
1654 if (old1)
1655 g_free (old1);
1656 if (old2)
1657 g_free (old2);
1658 if (old3)
1659 g_free (old3);
1660 old1 = g_strdup (exp1);
1661 old2 = g_strdup (exp2);
1662 old3 = g_strdup (exp3);
1663
1664 {
1665 char *s;
1666 int ord;
1667 while ((s = strchr (exp3, ' ')))
1668 memmove (s, s + 1, strlen (s));
1669 s = exp3;
1670 for (i = 0; i < NUM_REPL_ARGS; i++) {
1671 if (s != (char *)1 && *s) {
1672 ord = atoi (s);
1673 if ((ord > 0) && (ord < NUM_REPL_ARGS))
1674 argord[i] = ord - 1;
1675 else
1676 argord[i] = i;
1677 s = strchr (s, ',') + 1;
1678 } else
1679 argord[i] = i;
1680 }
1681 }
1682
1683 replace_continue = replace_all;
1684
1685 if (edit->found_len && edit->search_start == edit->found_start + 1 && replace_backwards)
1686 edit->search_start--;
1687
1688 if (edit->found_len && edit->search_start == edit->found_start - 1 && !replace_backwards)
1689 edit->search_start++;
1690
1691 do {
1692 int len = 0;
1693 long new_start;
1694 new_start = edit_find (edit->search_start, (unsigned char *) exp1, &len, last_search,
1695 (int (*)(void *, long)) edit_get_byte, (void *) edit, pmatch);
1696 if (new_start == -3) {
1697 regexp_error (edit);
1698 break;
1699 }
1700 edit->search_start = new_start;
1701 /*returns negative on not found or error in pattern */
1702
1703 if (edit->search_start >= 0) {
1704 edit->found_start = edit->search_start;
1705 i = edit->found_len = len;
1706
1707 edit_cursor_move (edit, edit->search_start - edit->curs1);
1708 edit_scroll_screen_over_cursor (edit);
1709
1710 replace_yes = 1;
1711
1712 if (treplace_prompt) {
1713 int l;
1714 l = edit->curs_row - edit->num_widget_lines / 3;
1715 if (l > 0)
1716 edit_scroll_downward (edit, l);
1717 if (l < 0)
1718 edit_scroll_upward (edit, -l);
1719
1720 edit_scroll_screen_over_cursor (edit);
1721 edit->force |= REDRAW_PAGE;
1722 edit_render_keypress (edit);
1723
1724 /*so that undo stops at each query */
1725 edit_push_key_press (edit);
1726
1727 switch (edit_replace_prompt (edit, exp2, /* and prompt 2/3 down */
1728 (edit->num_widget_columns - CONFIRM_DLG_WIDTH)/2,
1729 edit->num_widget_lines * 2 / 3)) {
1730 case B_ENTER:
1731 break;
1732 case B_SKIP_REPLACE:
1733 replace_yes = 0;
1734 break;
1735 case B_REPLACE_ALL:
1736 treplace_prompt = 0;
1737 replace_continue = 1;
1738 break;
1739 case B_REPLACE_ONE:
1740 replace_continue = 0;
1741 break;
1742 case B_CANCEL:
1743 replace_yes = 0;
1744 replace_continue = 0;
1745 break;
1746 }
1747 }
1748 if (replace_yes) { /* delete then insert new */
1749 if (replace_scanf || replace_regexp) {
1750 char repl_str[MAX_REPL_LEN + 2];
1751 if (replace_regexp) { /* we need to fill in sargs just like with scanf */
1752 int k, j;
1753 for (k = 1; k < NUM_REPL_ARGS && pmatch[k].rm_eo >= 0; k++) {
1754 unsigned char *t;
1755 t = (unsigned char *) &sargs[k - 1][0];
1756 for (j = 0; j < pmatch[k].rm_eo - pmatch[k].rm_so && j < 255; j++, t++)
1757 *t = (unsigned char) edit_get_byte (edit, edit->search_start - pmatch[0].rm_so + pmatch[k].rm_so + j);
1758 *t = '\0';
1759 }
1760 for (; k <= NUM_REPL_ARGS; k++)
1761 sargs[k - 1][0] = 0;
1762 }
1763 if (sprintf_p (repl_str, exp2, PRINTF_ARGS) >= 0) {
1764 times_replaced++;
1765 while (i--)
1766 edit_delete (edit);
1767 while (repl_str[++i])
1768 edit_insert (edit, repl_str[i]);
1769 } else {
1770 edit_error_dialog (_ (" Replace "),
1771 /* "Invalid regexp string or scanf string" */
1772 _ (" Error in replacement format string. "));
1773 replace_continue = 0;
1774 }
1775 } else {
1776 times_replaced++;
1777 while (i--)
1778 edit_delete (edit);
1779 while (exp2[++i])
1780 edit_insert (edit, exp2[i]);
1781 }
1782 edit->found_len = i;
1783 }
1784 /* so that we don't find the same string again */
1785 if (replace_backwards) {
1786 last_search = edit->search_start;
1787 edit->search_start--;
1788 } else {
1789 edit->search_start += i;
1790 last_search = edit->last_byte;
1791 }
1792 edit_scroll_screen_over_cursor (edit);
1793 } else {
1794 edit->search_start = edit->curs1; /* try and find from right here for next search */
1795 edit_update_curs_col (edit);
1796
1797 edit->force |= REDRAW_PAGE;
1798 edit_render_keypress (edit);
1799 if (times_replaced) {
1800 message (0, _(" Replace "), _(" %ld replacements made. "), times_replaced);
1801 } else
1802 edit_message_dialog (_ (" Replace "), _ (" Search string not found "));
1803 replace_continue = 0;
1804 }
1805 } while (replace_continue);
1806
1807 g_free (exp1);
1808 g_free (exp2);
1809 g_free (exp3);
1810 edit->force = REDRAW_COMPLETELY;
1811 edit_scroll_screen_over_cursor (edit);
1812 }
1813
1814
1815
1816
1817 void edit_search_cmd (WEdit * edit, int again)
1818 {
1819 static char *old = NULL;
1820 char *exp = "";
1821
1822 if (!edit) {
1823 if (old) {
1824 g_free (old);
1825 old = 0;
1826 }
1827 return;
1828 }
1829 exp = old ? old : exp;
1830 if (again) { /*ctrl-hotkey for search again. */
1831 if (!old)
1832 return;
1833 exp = (char *) g_strdup (old);
1834 } else {
1835
1836 #ifdef HAVE_CHARSET
1837 if (exp && *exp)
1838 convert_to_display (exp);
1839 #endif /* HAVE_CHARSET */
1840
1841 edit_search_dialog (edit, &exp);
1842
1843 #ifdef HAVE_CHARSET
1844 if (exp && *exp)
1845 convert_from_input (exp);
1846 #endif /* HAVE_CHARSET */
1847
1848 edit_push_action (edit, KEY_PRESS + edit->start_display);
1849 }
1850
1851 if (exp) {
1852 if (*exp) {
1853 int len = 0;
1854 if (old)
1855 g_free (old);
1856 old = (char *) g_strdup (exp);
1857
1858 if (search_create_bookmark) {
1859 int found = 0, books = 0;
1860 int l = 0, l_last = -1;
1861 long p, q = 0;
1862 for (;;) {
1863 p = edit_find (q, (unsigned char *) exp, &len, edit->last_byte,
1864 (int (*)(void *, long)) edit_get_byte, (void *) edit, 0);
1865 if (p < 0)
1866 break;
1867 found++;
1868 l += edit_count_lines (edit, q, p);
1869 if (l != l_last) {
1870 book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR);
1871 books++;
1872 }
1873 l_last = l;
1874 q = p + 1;
1875 }
1876 if (found) {
1877 /* in response to number of bookmarks added because of string being found %d times */
1878 message (0, _(" Search "), _(" %d finds made, %d bookmarks added "), found, books);
1879 } else {
1880 edit_error_dialog (_ (" Search "), _ (" Search string not found "));
1881 }
1882 } else {
1883
1884 if (edit->found_len && edit->search_start == edit->found_start + 1 && replace_backwards)
1885 edit->search_start--;
1886
1887 if (edit->found_len && edit->search_start == edit->found_start - 1 && !replace_backwards)
1888 edit->search_start++;
1889
1890 edit->search_start = edit_find (edit->search_start, (unsigned char *) exp, &len, edit->last_byte,
1891 (int (*)(void *, long)) edit_get_byte, (void *) edit, 0);
1892
1893 if (edit->search_start >= 0) {
1894 edit->found_start = edit->search_start;
1895 edit->found_len = len;
1896
1897 edit_cursor_move (edit, edit->search_start - edit->curs1);
1898 edit_scroll_screen_over_cursor (edit);
1899 if (replace_backwards)
1900 edit->search_start--;
1901 else
1902 edit->search_start++;
1903 } else if (edit->search_start == -3) {
1904 edit->search_start = edit->curs1;
1905 regexp_error (edit);
1906 } else {
1907 edit->search_start = edit->curs1;
1908 edit_error_dialog (_ (" Search "), _ (" Search string not found "));
1909 }
1910 }
1911 }
1912 g_free (exp);
1913 }
1914 edit->force |= REDRAW_COMPLETELY;
1915 edit_scroll_screen_over_cursor (edit);
1916 }
1917
1918
1919 /* Real edit only */
1920 void edit_quit_cmd (WEdit * edit)
1921 {
1922 edit_push_action (edit, KEY_PRESS + edit->start_display);
1923
1924 edit->force |= REDRAW_COMPLETELY;
1925 if (edit->modified) {
1926 switch (edit_query_dialog3 (_ (" Quit "), _ (" File was modified, Save with exit? "), _ ("Cancel quit"), _ ("&Yes"), _ ("&No"))) {
1927 case 1:
1928 edit_push_markers (edit);
1929 edit_set_markers (edit, 0, 0, 0, 0);
1930 if (!edit_save_cmd (edit))
1931 return;
1932 break;
1933 case 2:
1934 if (edit->delete_file)
1935 unlink (catstrs (edit->dir, edit->filename, 0));
1936 break;
1937 case 0:
1938 case -1:
1939 return;
1940 }
1941 }
1942 else if (edit->delete_file)
1943 unlink (catstrs (edit->dir, edit->filename, 0));
1944 dlg_stop (edit->widget.parent);
1945 }
1946
1947 #define TEMP_BUF_LEN 1024
1948
1949 /* returns a null terminated length of text. Result must be free'd */
1950 unsigned char *edit_get_block (WEdit * edit, long start, long finish, int *l)
1951 {
1952 unsigned char *s, *r;
1953 r = s = malloc (finish - start + 1);
1954 if (column_highlighting) {
1955 *l = 0;
1956 while (start < finish) { /* copy from buffer, excluding chars that are out of the column 'margins' */
1957 int c, x;
1958 x = edit_move_forward3 (edit, edit_bol (edit, start), 0, start);
1959 c = edit_get_byte (edit, start);
1960 if ((x >= edit->column1 && x < edit->column2)
1961 || (x >= edit->column2 && x < edit->column1) || c == '\n') {
1962 *s++ = c;
1963 (*l)++;
1964 }
1965 start++;
1966 }
1967 } else {
1968 *l = finish - start;
1969 while (start < finish)
1970 *s++ = edit_get_byte (edit, start++);
1971 }
1972 *s = 0;
1973 return r;
1974 }
1975
1976 /* save block, returns 1 on success */
1977 int edit_save_block (WEdit * edit, const char *filename, long start, long finish)
1978 {
1979 int len, file;
1980
1981 if ((file = mc_open ((char *) filename, O_CREAT | O_WRONLY | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) == -1)
1982 return 0;
1983
1984 if (column_highlighting) {
1985 unsigned char *block, *p;
1986 int r;
1987 p = block = edit_get_block (edit, start, finish, &len);
1988 while (len) {
1989 r = mc_write (file, p, len);
1990 if (r < 0)
1991 break;
1992 p += r;
1993 len -= r;
1994 }
1995 free (block);
1996 } else {
1997 unsigned char *buf;
1998 int i = start, end;
1999 len = finish - start;
2000 buf = malloc (TEMP_BUF_LEN);
2001 while (start != finish) {
2002 end = min (finish, start + TEMP_BUF_LEN);
2003 for (; i < end; i++)
2004 buf[i - start] = edit_get_byte (edit, i);
2005 len -= mc_write (file, (char *) buf, end - start);
2006 start = end;
2007 }
2008 free (buf);
2009 }
2010 mc_close (file);
2011 if (len)
2012 return 0;
2013 return 1;
2014 }
2015
2016 /* copies a block to clipboard file */
2017 static int edit_save_block_to_clip_file (WEdit * edit, long start, long finish)
2018 {
2019 return edit_save_block (edit, catstrs (home_dir, CLIP_FILE, 0), start, finish);
2020 }
2021
2022
2023 void edit_paste_from_history (WEdit *edit)
2024 {
2025 }
2026
2027 int edit_copy_to_X_buf_cmd (WEdit * edit)
2028 {
2029 long start_mark, end_mark;
2030 if (eval_marks (edit, &start_mark, &end_mark))
2031 return 0;
2032 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
2033 edit_error_dialog (_(" Copy to clipboard "), get_sys_error (_(" Unable to save to file. ")));
2034 return 1;
2035 }
2036 edit_mark_cmd (edit, 1);
2037 return 0;
2038 }
2039
2040 int edit_cut_to_X_buf_cmd (WEdit * edit)
2041 {
2042 long start_mark, end_mark;
2043 if (eval_marks (edit, &start_mark, &end_mark))
2044 return 0;
2045 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
2046 edit_error_dialog (_(" Cut to clipboard "), _(" Unable to save to file. "));
2047 return 1;
2048 }
2049 edit_block_delete_cmd (edit);
2050 edit_mark_cmd (edit, 1);
2051 return 0;
2052 }
2053
2054 void edit_paste_from_X_buf_cmd (WEdit * edit)
2055 {
2056 edit_insert_file (edit, catstrs (home_dir, CLIP_FILE, 0));
2057 }
2058
2059
2060 void edit_goto_cmd (WEdit *edit)
2061 {
2062 char *f;
2063 static int l = 0;
2064 char s[12];
2065 sprintf (s, "%d", l);
2066 f = input_dialog (_(" Goto line "), _(" Enter line: "), l ? s : "");
2067 if (f) {
2068 if (*f) {
2069 l = atoi (f);
2070 edit_move_display (edit, l - edit->num_widget_lines / 2 - 1);
2071 edit_move_to_line (edit, l - 1);
2072 edit->force |= REDRAW_COMPLETELY;
2073 }
2074 g_free (f);
2075 }
2076 }
2077
2078 /*returns 1 on success */
2079 int edit_save_block_cmd (WEdit * edit)
2080 {
2081 long start_mark, end_mark;
2082 char *exp;
2083 if (eval_marks (edit, &start_mark, &end_mark))
2084 return 1;
2085 exp = edit_get_save_file (edit->dir, catstrs (home_dir, CLIP_FILE, 0), _ (" Save Block "));
2086 edit_push_action (edit, KEY_PRESS + edit->start_display);
2087 if (exp) {
2088 if (!*exp) {
2089 g_free (exp);
2090 return 0;
2091 } else {
2092 if (edit_save_block (edit, exp, start_mark, end_mark)) {
2093 g_free (exp);
2094 edit->force |= REDRAW_COMPLETELY;
2095 return 1;
2096 } else {
2097 g_free (exp);
2098 edit_error_dialog (_ (" Save Block "), get_sys_error (_ (" Error trying to save file. ")));
2099 }
2100 }
2101 }
2102 edit->force |= REDRAW_COMPLETELY;
2103 return 0;
2104 }
2105
2106
2107 /* returns 1 on success */
2108 int edit_insert_file_cmd (WEdit * edit)
2109 {
2110 char *exp = edit_get_load_file (edit->dir, catstrs (home_dir, CLIP_FILE, 0), _ (" Insert File "));
2111 edit_push_action (edit, KEY_PRESS + edit->start_display);
2112 if (exp) {
2113 if (!*exp) {
2114 g_free (exp);
2115 return 0;
2116 } else {
2117 if (edit_insert_file (edit, exp)) {
2118 g_free (exp);
2119 edit->force |= REDRAW_COMPLETELY;
2120 return 1;
2121 } else {
2122 g_free (exp);
2123 edit_error_dialog (_ (" Insert file "), get_sys_error (_ (" Error trying to insert file. ")));
2124 }
2125 }
2126 }
2127 edit->force |= REDRAW_COMPLETELY;
2128 return 0;
2129 }
2130
2131 /* sorts a block, returns -1 on system fail, 1 on cancel and 0 on success */
2132 int edit_sort_cmd (WEdit * edit)
2133 {
2134 static char *old = 0;
2135 char *exp;
2136 long start_mark, end_mark;
2137 int e;
2138
2139 if (eval_marks (edit, &start_mark, &end_mark)) {
2140 edit_error_dialog (_(" Sort block "), _(" You must first highlight a block of text. "));
2141 return 0;
2142 }
2143 edit_save_block (edit, catstrs (home_dir, BLOCK_FILE, 0), start_mark, end_mark);
2144
2145 exp = old ? old : "";
2146
2147 exp = input_dialog (_(" Run Sort "),
2148 _(" Enter sort options (see manpage) separated by whitespace: "), exp);
2149
2150 if (!exp)
2151 return 1;
2152 if (old)
2153 g_free (old);
2154 old = exp;
2155
2156 e = system (catstrs (" sort ", exp, " ", home_dir, BLOCK_FILE, " > ", home_dir, TEMP_FILE, 0));
2157 if (e) {
2158 if (e == -1 || e == 127) {
2159 edit_error_dialog (_(" Sort "),
2160 get_sys_error (_(" Error trying to execute sort command ")));
2161 } else {
2162 char q[8];
2163 sprintf (q, "%d ", e);
2164 edit_error_dialog (_(" Sort "),
2165 catstrs (_(" Sort returned non-zero: "), q, 0));
2166 }
2167 return -1;
2168 }
2169
2170 edit->force |= REDRAW_COMPLETELY;
2171
2172 if (edit_block_delete_cmd (edit))
2173 return 1;
2174 edit_insert_file (edit, catstrs (home_dir, TEMP_FILE, 0));
2175 return 0;
2176 }
2177
2178 /* if block is 1, a block must be highlighted and the shell command
2179 processes it. If block is 0 the shell command is a straight system
2180 command, that just produces some output which is to be inserted */
2181 void
2182 edit_block_process_cmd (WEdit * edit, const char *shell_cmd, int block)
2183 {
2184 long start_mark, end_mark;
2185 char buf[BUFSIZ];
2186 FILE *script_home = NULL;
2187 FILE *script_src = NULL;
2188 FILE *block_file = NULL;
2189 char *o = NULL;
2190 char *h = NULL;
2191 char *b = NULL;
2192
2193 o = catstrs (mc_home, shell_cmd, 0); /* original source script */
2194 h = catstrs (home_dir, EDIT_DIR, shell_cmd, 0); /* home script */
2195 b = catstrs (home_dir, BLOCK_FILE, 0); /* block file */
2196
2197 if (!(script_home = fopen (h, "r"))) {
2198 if (!(script_home = fopen (h, "w"))) {
2199 edit_error_dialog ("", get_sys_error (catstrs
2200 (_
2201 ("Error creating script:"),
2202 h, 0)));
2203 return;
2204 }
2205 if (!(script_src = fopen (o, "r"))) {
2206 fclose (script_home);
2207 unlink (h);
2208 edit_error_dialog ("", get_sys_error (catstrs
2209 (_("Error reading script:"),
2210 o, 0)));
2211 return;
2212 }
2213 while (fgets (buf, sizeof (buf), script_src))
2214 fputs (buf, script_home);
2215 if (fclose (script_home)) {
2216 edit_error_dialog ("", get_sys_error (catstrs
2217 (_
2218 ("Error closing script:"),
2219 h, 0)));
2220 return;
2221 }
2222 chmod (h, 0700);
2223 edit_error_dialog ("", get_sys_error (catstrs
2224 (_("Script created:"), h,
2225 0)));
2226 }
2227
2228 open_error_pipe ();
2229
2230 if (block) { /* for marked block run indent formatter */
2231 if (eval_marks (edit, &start_mark, &end_mark)) {
2232 edit_error_dialog (_("Process block"),
2233 _
2234 (" You must first highlight a block of text. "));
2235 return;
2236 }
2237 edit_save_block (edit, b, start_mark, end_mark);
2238
2239 /*
2240 * Run script.
2241 * Initial space is to avoid polluting bash history.
2242 * Arguments:
2243 * $1 - name of the edited file (to check its extention etc).
2244 * $2 - file containing the current block.
2245 * $3 - file where error messages should be put
2246 * (for compatibility with old scripts).
2247 */
2248 system (catstrs (" ", home_dir, EDIT_DIR, shell_cmd, " ",
2249 edit->filename, " ", home_dir, BLOCK_FILE,
2250 " /dev/null", NULL));
2251
2252 } else {
2253 /*
2254 * No block selected, just execute the command for the file.
2255 * Arguments:
2256 * $1 - name of the edited file.
2257 */
2258 system (catstrs (" ", home_dir, EDIT_DIR, shell_cmd, " ",
2259 edit->filename, NULL));
2260 }
2261
2262 close_error_pipe (0, 0);
2263
2264 edit_refresh_cmd (edit);
2265 edit->force |= REDRAW_COMPLETELY;
2266
2267 /* insert result block */
2268 if (block) {
2269 if (edit_block_delete_cmd (edit))
2270 return;
2271 edit_insert_file (edit, b);
2272 if ((block_file = fopen (b, "w")))
2273 fclose (block_file);
2274 return;
2275 }
2276
2277 return;
2278 }
2279
2280 /* prints at the cursor */
2281 /* returns the number of chars printed */
2282 int edit_print_string (WEdit * e, const char *s)
2283 {
2284 int i = 0;
2285 while (s[i])
2286 edit_execute_cmd (e, -1, (unsigned char) s[i++]);
2287 e->force |= REDRAW_COMPLETELY;
2288 edit_update_screen (e);
2289 return i;
2290 }
2291
2292 int edit_printf (WEdit * e, const char *fmt, ...)
2293 {
2294 int i;
2295 va_list pa;
2296 char s[1024];
2297 va_start (pa, fmt);
2298 g_vsnprintf (s, sizeof (s), fmt, pa);
2299 i = edit_print_string (e, s);
2300 va_end (pa);
2301 return i;
2302 }
2303
2304 /* FIXME: does this function break NT_OS2 ? */
2305
2306 static void pipe_mail (WEdit *edit, char *to, char *subject, char *cc)
2307 {
2308 FILE *p = 0;
2309 char *s;
2310
2311 s = g_strdup_printf ("mail -s \"%s\" -c \"%s\" \"%s\"", subject, cc, to);
2312
2313 if (s) {
2314 p = popen (s, "w");
2315 g_free (s);
2316 }
2317
2318 if (p) {
2319 long i;
2320 for (i = 0; i < edit->last_byte; i++)
2321 fputc (edit_get_byte (edit, i), p);
2322 pclose (p);
2323 }
2324 }
2325
2326 #define MAIL_DLG_HEIGHT 12
2327
2328 void edit_mail_dialog (WEdit * edit)
2329 {
2330 char *tmail_to;
2331 char *tmail_subject;
2332 char *tmail_cc;
2333
2334 static char *mail_cc_last = 0;
2335 static char *mail_subject_last = 0;
2336 static char *mail_to_last = 0;
2337
2338 QuickDialog Quick_input =
2339 {50, MAIL_DLG_HEIGHT, -1, 0, N_(" Mail "),
2340 "[Input Line Keys]", 0};
2341
2342 QuickWidget quick_widgets[] =
2343 {
2344 {quick_button, 6, 10, 9, MAIL_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
2345 0, NULL},
2346 {quick_button, 2, 10, 9, MAIL_DLG_HEIGHT, N_("&Ok"), 0, B_ENTER, 0,
2347 0, NULL},
2348 {quick_input, 3, 50, 8, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2349 0, "mail-dlg-input"},
2350 {quick_label, 2, 50, 7, MAIL_DLG_HEIGHT, N_(" Copies to"), 0, 0, 0,
2351 0, 0},
2352 {quick_input, 3, 50, 6, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2353 0, "mail-dlg-input-2"},
2354 {quick_label, 2, 50, 5, MAIL_DLG_HEIGHT, N_(" Subject"), 0, 0, 0,
2355 0, 0},
2356 {quick_input, 3, 50, 4, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2357 0, "mail-dlg-input-3"},
2358 {quick_label, 2, 50, 3, MAIL_DLG_HEIGHT, N_(" To"), 0, 0, 0,
2359 0, 0},
2360 {quick_label, 2, 50, 2, MAIL_DLG_HEIGHT, N_(" mail -s <subject> -c <cc> <to>"), 0, 0, 0,
2361 0, 0},
2362 {0}};
2363
2364 quick_widgets[2].str_result = &tmail_cc;
2365 quick_widgets[2].text = mail_cc_last ? mail_cc_last : "";
2366 quick_widgets[4].str_result = &tmail_subject;
2367 quick_widgets[4].text = mail_subject_last ? mail_subject_last : "";
2368 quick_widgets[6].str_result = &tmail_to;
2369 quick_widgets[6].text = mail_to_last ? mail_to_last : "";
2370
2371 Quick_input.widgets = quick_widgets;
2372
2373 if (quick_dialog (&Quick_input) != B_CANCEL) {
2374 if (mail_cc_last)
2375 g_free (mail_cc_last);
2376 if (mail_subject_last)
2377 g_free (mail_subject_last);
2378 if (mail_to_last)
2379 g_free (mail_to_last);
2380 mail_cc_last = *(quick_widgets[2].str_result);
2381 mail_subject_last = *(quick_widgets[4].str_result);
2382 mail_to_last = *(quick_widgets[6].str_result);
2383 pipe_mail (edit, mail_to_last, mail_subject_last, mail_cc_last);
2384 }
2385 }
2386
2387
2388 /*******************/
2389 /* Word Completion */
2390 /*******************/
2391
2392
2393 /* find first character of current word */
2394 static int edit_find_word_start (WEdit *edit, long *word_start, int *word_len)
2395 {
2396 int i, c, last;
2397
2398 /* return if at begin of file */
2399 if (edit->curs1 <= 0)
2400 return 0;
2401
2402 c = (unsigned char) edit_get_byte (edit, edit->curs1 - 1);
2403 /* return if not at end or in word */
2404 if (isspace (c) || !(isalnum (c) || c == '_'))
2405 return 0;
2406
2407 /* search start of word to be completed */
2408 for (i = 2;; i++) {
2409 /* return if at begin of file */
2410 if (edit->curs1 - i < 0)
2411 return 0;
2412
2413 last = c;
2414 c = (unsigned char) edit_get_byte (edit, edit->curs1 - i);
2415
2416 if (!(isalnum (c) || c == '_')) {
2417 /* return if word starts with digit */
2418 if (isdigit (last))
2419 return 0;
2420
2421 *word_start = edit->curs1 - (i - 1); /* start found */
2422 *word_len = i - 1;
2423 break;
2424 }
2425 }
2426 /* success */
2427 return 1;
2428 }
2429
2430
2431 /* (re)set search parameters to the given values */
2432 static void edit_set_search_parameters (int rs, int rb, int rr, int rw, int rc)
2433 {
2434 replace_scanf = rs;
2435 replace_backwards = rb;
2436 replace_regexp = rr;
2437 replace_whole = rw;
2438 replace_case = rc;
2439 }
2440
2441
2442 const static int MAX_WORD_COMPLETIONS = 100; /* in listbox */
2443
2444
2445 /* collect the possible completions */
2446 static int edit_collect_completions (WEdit *edit, long start,
2447 int word_len, char *match_expr, struct selection *compl, int *num)
2448 {
2449 int len, max_len = 0, i, skip;
2450 char *bufpos;
2451
2452 /* collect max MAX_WORD_COMPLETIONS completions */
2453 while (*num < MAX_WORD_COMPLETIONS) {
2454 /* get next match */
2455 start = edit_find (start - 1, (unsigned char *) match_expr, &len,
2456 edit->last_byte, (int (*)(void *, long)) edit_get_byte,
2457 (void *) edit, 0);
2458
2459 /* not matched */
2460 if (start < 0)
2461 break;
2462
2463 /* add matched completion if not yet added */
2464 bufpos = &edit->buffers1[start >> S_EDIT_BUF_SIZE][start & M_EDIT_BUF_SIZE];
2465 skip = 0;
2466 for (i = 0; i < *num; i++) {
2467 if (strncmp (&compl[i].text[word_len], &bufpos[word_len],
2468 max (len, compl[i].len) - word_len) == 0) {
2469 skip = 1;
2470 break; /* skip it, already added */
2471 }
2472 }
2473 if (skip)
2474 continue;
2475
2476 compl[*num].text = CMalloc (len + 1);
2477 compl[*num].len = len;
2478 for (i = 0; i < len; i++)
2479 compl[*num].text[i] = *(bufpos + i);
2480 compl[*num].text[i] = '\0';
2481 (*num)++;
2482
2483 /* note the maximal length needed for the completion dialog */
2484 if (len > max_len)
2485 max_len = len;
2486 }
2487 return max_len;
2488 }
2489
2490
2491 static int compllist_callback (void *data)
2492 {
2493 return 0;
2494 }
2495
2496
2497 /* let the user select its preferred completion */
2498 void edit_completion_dialog (WEdit *edit, int max_len, int word_len,
2499 struct selection *compl, int num_compl)
2500 {
2501 int start_x, start_y, offset, i;
2502 char *curr = NULL;
2503 Dlg_head *compl_dlg;
2504 WListbox *compl_list;
2505 unsigned int compl_dlg_h; /* completion dialog height */
2506 unsigned int compl_dlg_w; /* completion dialog width */
2507
2508 /* calculate the dialog metrics */
2509 compl_dlg_h = num_compl + 2;
2510 compl_dlg_w = max_len + 4;
2511 start_x = edit->curs_col + edit->start_col - (compl_dlg_w / 2);
2512 start_y = edit->curs_row + EDIT_TEXT_VERTICAL_OFFSET + 1;
2513
2514 if (start_x < 0)
2515 start_x = 0;
2516 if (compl_dlg_w > COLS)
2517 compl_dlg_w = COLS;
2518 if (compl_dlg_h > LINES - 2)
2519 compl_dlg_h = LINES - 2;
2520
2521 offset = start_x + compl_dlg_w - COLS;
2522 if (offset > 0)
2523 start_x -= offset;
2524 offset = start_y + compl_dlg_h - LINES;
2525 if (offset > 0)
2526 start_y -= (offset + 1);
2527
2528 /* create the dialog */
2529 compl_dlg = create_dlg (start_y, start_x, compl_dlg_h, compl_dlg_w,
2530 dialog_colors, NULL, "[Completion]", NULL,
2531 DLG_COMPACT);
2532
2533 /* create the listbox */
2534 compl_list = listbox_new (1, 1, compl_dlg_w - 2, compl_dlg_h - 2, 0,
2535 compllist_callback, NULL);
2536
2537 /* add the dialog */
2538 add_widget (compl_dlg, compl_list);
2539
2540 /* fill the listbox with the completions */
2541 for (i = 0; i < num_compl; i++)
2542 listbox_add_item (compl_list, 0, 0, compl[i].text, NULL);
2543
2544 /* pop up the dialog */
2545 run_dlg (compl_dlg);
2546
2547 /* apply the choosen completion */
2548 if (compl_dlg->ret_value == B_ENTER) {
2549 listbox_get_current (compl_list, &curr, NULL);
2550 if (curr)
2551 for (curr += word_len; *curr; curr++)
2552 edit_insert (edit, *curr);
2553 }
2554
2555 /* destroy dialog before return */
2556 destroy_dlg (compl_dlg);
2557 }
2558
2559
2560 /* complete current word using regular expression search */
2561 /* backwards beginning at current cursor position */
2562 void edit_complete_word_cmd (WEdit *edit)
2563 {
2564 int word_len = 0, i, num_compl = 0, max_len;
2565 long word_start = 0;
2566 char *bufpos;
2567 char match_expr[MAX_REPL_LEN];
2568 struct selection compl[MAX_WORD_COMPLETIONS]; /* completions */
2569
2570 /* don't want to disturb another search */
2571 int old_rs = replace_scanf;
2572 int old_rb = replace_backwards;
2573 int old_rr = replace_regexp;
2574 int old_rw = replace_whole;
2575 int old_rc = replace_case;
2576
2577 /* search start of word to be completed */
2578 if (!edit_find_word_start (edit, &word_start, &word_len))
2579 return;
2580
2581 /* prepare match expression */
2582 bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE]
2583 [word_start & M_EDIT_BUF_SIZE];
2584 strncpy (match_expr, bufpos, word_len);
2585 match_expr[word_len] = '\0';
2586 strcat (match_expr, "[a-zA-Z_0-9]+");
2587
2588 /* init search: backward, regexp, whole word, case sensitive */
2589 edit_set_search_parameters (0, 1, 1, 1, 1);
2590
2591 /* collect the possible completions */
2592 /* start search from curs1 down to begin of file */
2593 max_len = edit_collect_completions (edit, word_start, word_len,
2594 match_expr, (struct selection *) &compl, &num_compl);
2595
2596 if (num_compl > 0) {
2597 /* insert completed word if there is only one match */
2598 if (num_compl == 1) {
2599 for (i = word_len; i < compl[0].len; i++)
2600 edit_insert (edit, *(compl[0].text + i));
2601 }
2602 /* more than one possible completion => ask the user */
2603 else {
2604 /* !!! usually only a beep is expected and when <ALT-TAB> is !!! */
2605 /* !!! pressed again the selection dialog pops up, but that !!! */
2606 /* !!! seems to require a further internal state !!! */
2607 /*beep ();*/
2608
2609 /* let the user select the preferred completion */
2610 edit_completion_dialog (edit, max_len, word_len,
2611 (struct selection *) &compl, num_compl);
2612 }
2613 }
2614
2615 /* release memory before return */
2616 for (i = 0; i < num_compl; i++)
2617 free (compl[i].text);
2618
2619 /* restore search parameters */
2620 edit_set_search_parameters (old_rs, old_rb, old_rr, old_rw, old_rc);
2621 }
Midnight Commander