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* editcmd.c: Clean up global variables in the completion code.
[midnight-commander.git] / edit / editcmd.c
blob139401a6103ee740046bcde15c9603f59b9875de
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 "esm", 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 raw_callback (struct Dlg_head *h, int key, int Msg)
467 {
468 switch (Msg) {
469 case DLG_DRAW:
470 common_dialog_repaint (h);
471 break;
472
473 case DLG_KEY:
474 h->running = 0;
475 h->ret_value = key;
476 return 1;
477 }
478 return 0;
479 }
480
481 /* gets a raw key from the keyboard. Passing cancel = 1 draws
482 a cancel button thus allowing c-c etc.. Alternatively, cancel = 0
483 will return the next key pressed */
484 int
485 edit_raw_key_query (char *heading, char *query, int cancel)
486 {
487 int w = strlen (query) + 7;
488 struct Dlg_head *raw_dlg = create_dlg (0, 0, 7, w, dialog_colors,
489 /* NLS ? */
490 raw_callback, "[Raw Key Query]",
491 "raw_key_input",
492 DLG_CENTER | DLG_TRYUP |
493 DLG_WANT_TAB);
494 x_set_dialog_title (raw_dlg, heading);
495 if (cancel)
496 add_widget (raw_dlg,
497 button_new (4, w / 2 - 5, B_CANCEL, NORMAL_BUTTON,
498 _("Cancel"), 0, 0, 0));
499 add_widget (raw_dlg, label_new (3 - cancel, 2, query, 0));
500 add_widget (raw_dlg,
501 input_new (3 - cancel, w - 5, INPUT_COLOR, 2, "", 0));
502 run_dlg (raw_dlg);
503 w = raw_dlg->ret_value;
504 destroy_dlg (raw_dlg);
505 if (cancel)
506 if (w == XCTRL ('g') || w == XCTRL ('c') || w == ESC_CHAR
507 || w == B_CANCEL)
508 return 0;
509 /* hence ctrl-a (=B_CANCEL), ctrl-g, ctrl-c, and Esc are cannot returned */
510 return w;
511 }
512
513 /* creates a macro file if it doesn't exist */
514 static FILE *edit_open_macro_file (const char *r)
515 {
516 char *filename;
517 int file;
518 filename = catstrs (home_dir, MACRO_FILE, 0);
519 if ((file = open (filename, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) == -1)
520 return 0;
521 close (file);
522 return fopen (filename, r);
523 }
524
525 #define MAX_MACROS 1024
526 static int saved_macro[MAX_MACROS + 1];
527 static int saved_macros_loaded = 0;
528
529 /*
530 This is just to stop the macro file be loaded over and over for keys
531 that aren't defined to anything. On slow systems this could be annoying.
532 */
533 int macro_exists (int k)
534 {
535 int i;
536 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++)
537 if (saved_macro[i] == k)
538 return i;
539 return -1;
540 }
541
542 /* returns 1 on error */
543 int edit_delete_macro (WEdit * edit, int k)
544 {
545 struct macro macro[MAX_MACRO_LENGTH];
546 FILE *f, *g;
547 int s, i, n, j = 0;
548
549 if (saved_macros_loaded)
550 if ((j = macro_exists (k)) < 0)
551 return 0;
552 g = fopen (catstrs (home_dir, TEMP_FILE, 0), "w");
553 if (!g) {
554 /* This heads the delete macro error dialog box */
555 edit_error_dialog (_(" Delete macro "),
556 /* 'Open' = load temp file */
557 get_sys_error (_(" Error trying to open temp file ")));
558 return 1;
559 }
560 f = edit_open_macro_file ("r");
561 if (!f) {
562 /* This heads the delete macro error dialog box */
563 edit_error_dialog (_(" Delete macro "),
564 /* 'Open' = load temp file */
565 get_sys_error (_(" Error trying to open macro file ")));
566 fclose (g);
567 return 1;
568 }
569 for (;;) {
570 n = fscanf (f, ("key '%d 0': "), &s);
571 if (!n || n == EOF)
572 break;
573 n = 0;
574 while (fscanf (f, "%hd %hd, ", &macro[n].command, &macro[n].ch))
575 n++;
576 fscanf (f, ";\n");
577 if (s != k) {
578 fprintf (g, ("key '%d 0': "), s);
579 for (i = 0; i < n; i++)
580 fprintf (g, "%hd %hd, ", macro[i].command, macro[i].ch);
581 fprintf (g, ";\n");
582 }
583 }
584 fclose (f);
585 fclose (g);
586 if (rename (catstrs (home_dir, TEMP_FILE, 0), catstrs (home_dir, MACRO_FILE, 0)) == -1) {
587 /* This heads the delete macro error dialog box */
588 edit_error_dialog (_(" Delete macro "),
589 get_sys_error (_(" Error trying to overwrite macro file ")));
590 return 1;
591 }
592 if (saved_macros_loaded)
593 memmove (saved_macro + j, saved_macro + j + 1, sizeof (int) * (MAX_MACROS - j - 1));
594 return 0;
595 }
596
597 /* returns 0 on error */
598 int edit_save_macro_cmd (WEdit * edit, struct macro macro[], int n)
599 {
600 FILE *f;
601 int s, i;
602
603 edit_push_action (edit, KEY_PRESS + edit->start_display);
604 /* This heads the 'Macro' dialog box */
605 s = edit_raw_key_query (_(" Macro "),
606 /* Input line for a single key press follows the ':' */
607 _(" Press the macro's new hotkey: "), 1);
608 edit->force |= REDRAW_COMPLETELY;
609 if (s) {
610 if (edit_delete_macro (edit, s))
611 return 0;
612 f = edit_open_macro_file ("a+");
613 if (f) {
614 fprintf (f, ("key '%d 0': "), s);
615 for (i = 0; i < n; i++)
616 fprintf (f, "%hd %hd, ", macro[i].command, macro[i].ch);
617 fprintf (f, ";\n");
618 fclose (f);
619 if (saved_macros_loaded) {
620 for (i = 0; i < MAX_MACROS && saved_macro[i]; i++);
621 saved_macro[i] = s;
622 }
623 return 1;
624 } else
625 /* This heads the 'Save Macro' dialog box */
626 edit_error_dialog (_(" Save macro "), get_sys_error (_(" Error trying to open macro file ")));
627 }
628 return 0;
629 }
630
631 void edit_delete_macro_cmd (WEdit * edit)
632 {
633 int command;
634
635 command = edit_raw_key_query (_ (" Delete Macro "),
636 _ (" Press macro hotkey: "), 1);
637
638 if (!command)
639 return;
640
641 edit_delete_macro (edit, command);
642 }
643
644 /* return 0 on error */
645 int edit_load_macro_cmd (WEdit * edit, struct macro macro[], int *n, int k)
646 {
647 FILE *f;
648 int s, i = 0, found = 0;
649
650 if (saved_macros_loaded)
651 if (macro_exists (k) < 0)
652 return 0;
653
654 if ((f = edit_open_macro_file ("r"))) {
655 struct macro dummy;
656 do {
657 int u;
658 u = fscanf (f, ("key '%d 0': "), &s);
659 if (!u || u == EOF)
660 break;
661 if (!saved_macros_loaded)
662 saved_macro[i++] = s;
663 if (!found) {
664 *n = 0;
665 while (*n < MAX_MACRO_LENGTH && 2 == fscanf (f, "%hd %hd, ", &macro[*n].command, &macro[*n].ch))
666 (*n)++;
667 } else {
668 while (2 == fscanf (f, "%hd %hd, ", &dummy.command, &dummy.ch));
669 }
670 fscanf (f, ";\n");
671 if (s == k)
672 found = 1;
673 } while (!found || !saved_macros_loaded);
674 if (!saved_macros_loaded) {
675 saved_macro[i] = 0;
676 saved_macros_loaded = 1;
677 }
678 fclose (f);
679 return found;
680 } else
681 /* This heads the 'Load Macro' dialog box */
682 edit_error_dialog (_(" Load macro "),
683 get_sys_error (_(" Error trying to open macro file ")));
684 return 0;
685 }
686
687 /* }}} Macro stuff starts here */
688
689 /* returns 1 on success */
690 int edit_save_confirm_cmd (WEdit * edit)
691 {
692 char *f;
693
694 if (edit_confirm_save) {
695 f = catstrs (_(" Confirm save file? : "), edit->filename, " ", 0);
696 /* Buttons to 'Confirm save file' query */
697 if (edit_query_dialog2 (_(" Save file "), f, _("Save"), _("Cancel")))
698 return 0;
699 }
700 return edit_save_cmd (edit);
701 }
702
703
704 /* returns 1 on success */
705 int edit_save_cmd (WEdit * edit)
706 {
707 if (!edit_save_file (edit, catstrs (edit->dir, edit->filename, 0)))
708 return edit_save_as_cmd (edit);
709 edit->force |= REDRAW_COMPLETELY;
710 edit->modified = 0;
711 edit->delete_file = 0;
712
713 return 1;
714 }
715
716
717 /* returns 1 on success */
718 int edit_new_cmd (WEdit * edit)
719 {
720 if (edit->modified) {
721 if (edit_query_dialog2 (_ (" Warning "), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("Continue"), _ ("Cancel"))) {
722 edit->force |= REDRAW_COMPLETELY;
723 return 0;
724 }
725 }
726 edit->force |= REDRAW_COMPLETELY;
727 edit->modified = 0;
728 return edit_renew (edit); /* if this gives an error, something has really screwed up */
729 }
730
731 /* returns 1 on error */
732 int edit_load_file_from_filename (WEdit * edit, char *exp)
733 {
734 if (!edit_reload (edit, exp, 0, "", 0))
735 return 1;
736 edit_split_filename (edit, exp);
737 edit->modified = 0;
738 return 0;
739 }
740
741 int edit_load_cmd (WEdit * edit)
742 {
743 char *exp;
744
745 if (edit->modified) {
746 if (edit_query_dialog2 (_ (" Warning "), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("Continue"), _ ("Cancel"))) {
747 edit->force |= REDRAW_COMPLETELY;
748 return 0;
749 }
750 }
751
752 exp = edit_get_load_file (edit->dir, edit->filename, _ (" Load "));
753
754 if (exp) {
755 if (*exp)
756 edit_load_file_from_filename (edit, exp);
757 g_free (exp);
758 }
759 edit->force |= REDRAW_COMPLETELY;
760 return 0;
761 }
762
763 /*
764 if mark2 is -1 then marking is from mark1 to the cursor.
765 Otherwise its between the markers. This handles this.
766 Returns 1 if no text is marked.
767 */
768 int eval_marks (WEdit * edit, long *start_mark, long *end_mark)
769 {
770 if (edit->mark1 != edit->mark2) {
771 if (edit->mark2 >= 0) {
772 *start_mark = min (edit->mark1, edit->mark2);
773 *end_mark = max (edit->mark1, edit->mark2);
774 } else {
775 *start_mark = min (edit->mark1, edit->curs1);
776 *end_mark = max (edit->mark1, edit->curs1);
777 edit->column2 = edit->curs_col;
778 }
779 return 0;
780 } else {
781 *start_mark = *end_mark = 0;
782 edit->column2 = edit->column1 = 0;
783 return 1;
784 }
785 }
786
787 #define space_width 1
788
789 void edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width)
790 {
791 long cursor;
792 int i, col;
793 cursor = edit->curs1;
794 col = edit_get_col (edit);
795 for (i = 0; i < size; i++) {
796 if (data[i] == '\n') { /* fill in and move to next line */
797 int l;
798 long p;
799 if (edit_get_byte (edit, edit->curs1) != '\n') {
800 l = width - (edit_get_col (edit) - col);
801 while (l > 0) {
802 edit_insert (edit, ' ');
803 l -= space_width;
804 }
805 }
806 for (p = edit->curs1;; p++) {
807 if (p == edit->last_byte)
808 edit_insert_ahead (edit, '\n');
809 if (edit_get_byte (edit, p) == '\n') {
810 p++;
811 break;
812 }
813 }
814 edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1);
815 l = col - edit_get_col (edit);
816 while (l >= space_width) {
817 edit_insert (edit, ' ');
818 l -= space_width;
819 }
820 continue;
821 }
822 edit_insert (edit, data[i]);
823 }
824 edit_cursor_move (edit, cursor - edit->curs1);
825 }
826
827
828 void edit_block_copy_cmd (WEdit * edit)
829 {
830 long start_mark, end_mark, current = edit->curs1;
831 int size, x;
832 unsigned char *copy_buf;
833
834 edit_update_curs_col (edit);
835 x = edit->curs_col;
836 if (eval_marks (edit, &start_mark, &end_mark))
837 return;
838 if (column_highlighting)
839 if ((x >= edit->column1 && x < edit->column2) || (x > edit->column2 && x <= edit->column1))
840 return;
841
842 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
843
844 /* all that gets pushed are deletes hence little space is used on the stack */
845
846 edit_push_markers (edit);
847
848 if (column_highlighting) {
849 edit_insert_column_of_text (edit, copy_buf, size, abs (edit->column2 - edit->column1));
850 } else {
851 while (size--)
852 edit_insert_ahead (edit, copy_buf[size]);
853 }
854
855 free (copy_buf);
856 edit_scroll_screen_over_cursor (edit);
857
858 if (column_highlighting) {
859 edit_set_markers (edit, 0, 0, 0, 0);
860 edit_push_action (edit, COLUMN_ON);
861 column_highlighting = 0;
862 } else if (start_mark < current && end_mark > current)
863 edit_set_markers (edit, start_mark, end_mark + end_mark - start_mark, 0, 0);
864
865 edit->force |= REDRAW_PAGE;
866 }
867
868
869 void edit_block_move_cmd (WEdit * edit)
870 {
871 long count;
872 long current;
873 unsigned char *copy_buf;
874 long start_mark, end_mark;
875 int deleted = 0;
876 int x = 0;
877
878 if (eval_marks (edit, &start_mark, &end_mark))
879 return;
880 if (column_highlighting) {
881 edit_update_curs_col (edit);
882 x = edit->curs_col;
883 if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
884 if ((x > edit->column1 && x < edit->column2) || (x > edit->column2 && x < edit->column1))
885 return;
886 } else if (start_mark <= edit->curs1 && end_mark >= edit->curs1)
887 return;
888
889 if ((end_mark - start_mark) > option_max_undo / 2)
890 if (edit_query_dialog2 (_ (" Warning "), _ (" Block is large, you may not be able to undo this action. "), _ ("Continue"), _ ("Cancel")))
891 return;
892
893 edit_push_markers (edit);
894 current = edit->curs1;
895 if (column_highlighting) {
896 int size, c1, c2, line;
897 line = edit->curs_line;
898 if (edit->mark2 < 0)
899 edit_mark_cmd (edit, 0);
900 c1 = min (edit->column1, edit->column2);
901 c2 = max (edit->column1, edit->column2);
902 copy_buf = edit_get_block (edit, start_mark, end_mark, &size);
903 if (x < c2) {
904 edit_block_delete_cmd (edit);
905 deleted = 1;
906 }
907 edit_move_to_line (edit, line);
908 edit_cursor_move (edit, edit_move_forward3 (edit, edit_bol (edit, edit->curs1), x, 0) - edit->curs1);
909 edit_insert_column_of_text (edit, copy_buf, size, c2 - c1);
910 if (!deleted) {
911 line = edit->curs_line;
912 edit_update_curs_col (edit);
913 x = edit->curs_col;
914 edit_block_delete_cmd (edit);
915 edit_move_to_line (edit, line);
916 edit_cursor_move (edit, edit_move_forward3 (edit, edit_bol (edit, edit->curs1), x, 0) - edit->curs1);
917 }
918 edit_set_markers (edit, 0, 0, 0, 0);
919 edit_push_action (edit, COLUMN_ON);
920 column_highlighting = 0;
921 } else {
922 copy_buf = malloc (end_mark - start_mark);
923 edit_cursor_move (edit, start_mark - edit->curs1);
924 edit_scroll_screen_over_cursor (edit);
925 count = start_mark;
926 while (count < end_mark) {
927 copy_buf[end_mark - count - 1] = edit_delete (edit);
928 count++;
929 }
930 edit_scroll_screen_over_cursor (edit);
931 edit_cursor_move (edit, current - edit->curs1 - (((current - edit->curs1) > 0) ? end_mark - start_mark : 0));
932 edit_scroll_screen_over_cursor (edit);
933 while (count-- > start_mark)
934 edit_insert_ahead (edit, copy_buf[end_mark - count - 1]);
935 edit_set_markers (edit, edit->curs1, edit->curs1 + end_mark - start_mark, 0, 0);
936 }
937 edit_scroll_screen_over_cursor (edit);
938 free (copy_buf);
939 edit->force |= REDRAW_PAGE;
940 }
941
942 void edit_cursor_to_bol (WEdit * edit);
943
944 void edit_delete_column_of_text (WEdit * edit)
945 {
946 long p, q, r, m1, m2;
947 int b, c, d;
948 int n;
949
950 eval_marks (edit, &m1, &m2);
951 n = edit_move_forward (edit, m1, 0, m2) + 1;
952 c = edit_move_forward3 (edit, edit_bol (edit, m1), 0, m1);
953 d = edit_move_forward3 (edit, edit_bol (edit, m2), 0, m2);
954
955 b = min (c, d);
956 c = max (c, d);
957
958 while (n--) {
959 r = edit_bol (edit, edit->curs1);
960 p = edit_move_forward3 (edit, r, b, 0);
961 q = edit_move_forward3 (edit, r, c, 0);
962 if (p < m1)
963 p = m1;
964 if (q > m2)
965 q = m2;
966 edit_cursor_move (edit, p - edit->curs1);
967 while (q > p) { /* delete line between margins */
968 if (edit_get_byte (edit, edit->curs1) != '\n')
969 edit_delete (edit);
970 q--;
971 }
972 if (n) /* move to next line except on the last delete */
973 edit_cursor_move (edit, edit_move_forward (edit, edit->curs1, 1, 0) - edit->curs1);
974 }
975 }
976
977 /* if success return 0 */
978 int edit_block_delete (WEdit * edit)
979 {
980 long count;
981 long start_mark, end_mark;
982 if (eval_marks (edit, &start_mark, &end_mark))
983 return 0;
984 if (column_highlighting && edit->mark2 < 0)
985 edit_mark_cmd (edit, 0);
986 if ((end_mark - start_mark) > option_max_undo / 2)
987 /* Warning message with a query to continue or cancel the operation */
988 if (edit_query_dialog2 (_ (" Warning "), _ (" Block is large, you may not be able to undo this action. "), _ (" Continue "), _ (" Cancel ")))
989 return 1;
990 edit_push_markers (edit);
991 edit_cursor_move (edit, start_mark - edit->curs1);
992 edit_scroll_screen_over_cursor (edit);
993 count = start_mark;
994 if (start_mark < end_mark) {
995 if (column_highlighting) {
996 if (edit->mark2 < 0)
997 edit_mark_cmd (edit, 0);
998 edit_delete_column_of_text (edit);
999 } else {
1000 while (count < end_mark) {
1001 edit_delete (edit);
1002 count++;
1003 }
1004 }
1005 }
1006 edit_set_markers (edit, 0, 0, 0, 0);
1007 edit->force |= REDRAW_PAGE;
1008 return 0;
1009 }
1010
1011 /* returns 1 if canceelled by user */
1012 int edit_block_delete_cmd (WEdit * edit)
1013 {
1014 long start_mark, end_mark;
1015 if (eval_marks (edit, &start_mark, &end_mark)) {
1016 edit_delete_line (edit);
1017 return 0;
1018 }
1019 return edit_block_delete (edit);
1020 }
1021
1022
1023 #define INPUT_INDEX 9
1024 #define SEARCH_DLG_WIDTH 58
1025 #define SEARCH_DLG_HEIGHT 10
1026 #define REPLACE_DLG_WIDTH 58
1027 #define REPLACE_DLG_HEIGHT 15
1028 #define CONFIRM_DLG_WIDTH 79
1029 #define CONFIRM_DLG_HEIGTH 6
1030 #define B_REPLACE_ALL B_USER+1
1031 #define B_REPLACE_ONE B_USER+2
1032 #define B_SKIP_REPLACE B_USER+3
1033
1034 int edit_replace_prompt (WEdit * edit, char *replace_text, int xpos, int ypos)
1035 {
1036 QuickWidget quick_widgets[] =
1037 {
1038 {quick_button, 63, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Cancel"),
1039 0, B_CANCEL, 0, 0, NULL},
1040 {quick_button, 50, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("o&Ne"),
1041 0, B_REPLACE_ONE, 0, 0, NULL},
1042 {quick_button, 37, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("al&L"),
1043 0, B_REPLACE_ALL, 0, 0, NULL},
1044 {quick_button, 21, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Skip"),
1045 0, B_SKIP_REPLACE, 0, 0, NULL},
1046 {quick_button, 4, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Replace"),
1047 0, B_ENTER, 0, 0, NULL},
1048 {quick_label, 2, CONFIRM_DLG_WIDTH, 2, CONFIRM_DLG_HEIGTH, 0,
1049 0, 0, 0, 0, 0},
1050 {0}};
1051
1052 #ifdef HAVE_CHARSET
1053 char *msg = _(" Replace with: ");
1054
1055 quick_widgets[5].text = catstrs (msg, replace_text, 0);
1056
1057 if (*replace_text)
1058 convert_to_display (quick_widgets[5].text + strlen (msg));
1059 #else
1060 quick_widgets[5].text = catstrs (_ (" Replace with: "), replace_text, 0);
1061 #endif /* !HAVE_CHARSET */
1062
1063 {
1064 QuickDialog Quick_input =
1065 {CONFIRM_DLG_WIDTH, CONFIRM_DLG_HEIGTH, 0, 0, N_ (" Confirm replace "),
1066 "[Input Line Keys]", "quick_input", 0 /*quick_widgets */ };
1067
1068 Quick_input.widgets = quick_widgets;
1069
1070 Quick_input.xpos = xpos;
1071
1072 /* Sometimes menu can hide replaced text. I don't like it */
1073
1074 if ((edit->curs_row >= ypos - 1) && (edit->curs_row <= ypos + CONFIRM_DLG_HEIGTH - 1))
1075 ypos -= CONFIRM_DLG_HEIGTH;
1076
1077 Quick_input.ypos = ypos;
1078 return quick_dialog (&Quick_input);
1079 }
1080 }
1081
1082 void edit_replace_dialog (WEdit * edit, char **search_text, char **replace_text, char **arg_order)
1083 {
1084 int treplace_scanf = replace_scanf;
1085 int treplace_regexp = replace_regexp;
1086 int treplace_all = replace_all;
1087 int treplace_prompt = replace_prompt;
1088 int treplace_backwards = replace_backwards;
1089 int treplace_whole = replace_whole;
1090 int treplace_case = replace_case;
1091
1092 QuickWidget quick_widgets[] =
1093 {
1094 {quick_button, 6, 10, 12, REPLACE_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
1095 0, NULL},
1096 {quick_button, 2, 10, 12, REPLACE_DLG_HEIGHT, N_("&Ok"), 0, B_ENTER, 0,
1097 0, NULL},
1098 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("scanf &Expression"), 0, 0,
1099 0, 0, NULL},
1100 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("replace &All"), 0, 0,
1101 0, 0, NULL},
1102 {quick_checkbox, 33, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("pr&Ompt on replace"), 0, 0,
1103 0, 0, NULL},
1104 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("&Backwards"), 0, 0,
1105 0, 0, NULL},
1106 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("&Regular expression"), 0, 0,
1107 0, 0, NULL},
1108 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("&Whole words only"), 0, 0,
1109 0, 0, NULL},
1110 {quick_checkbox, 4, REPLACE_DLG_WIDTH, 8, REPLACE_DLG_HEIGHT, N_("case &Sensitive"), 0, 0,
1111 0, 0, NULL},
1112 {quick_input, 3, REPLACE_DLG_WIDTH, 7, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1113 0, "edit-argord"},
1114 {quick_label, 2, REPLACE_DLG_WIDTH, 6, REPLACE_DLG_HEIGHT, N_(" Enter replacement argument order eg. 3,2,1,4 "), 0, 0,
1115 0, 0, 0},
1116 {quick_input, 3, REPLACE_DLG_WIDTH, 5, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1117 0, "edit-replace"},
1118 {quick_label, 2, REPLACE_DLG_WIDTH, 4, REPLACE_DLG_HEIGHT, N_(" Enter replacement string:"), 0, 0, 0,
1119 0, 0},
1120 {quick_input, 3, REPLACE_DLG_WIDTH, 3, REPLACE_DLG_HEIGHT, "", 52, 0, 0,
1121 0, "edit-search"},
1122 {quick_label, 2, REPLACE_DLG_WIDTH, 2, REPLACE_DLG_HEIGHT, N_(" Enter search string:"), 0, 0, 0,
1123 0, 0},
1124 {0}};
1125
1126 quick_widgets[2].result = &treplace_scanf;
1127 quick_widgets[3].result = &treplace_all;
1128 quick_widgets[4].result = &treplace_prompt;
1129 quick_widgets[5].result = &treplace_backwards;
1130 quick_widgets[6].result = &treplace_regexp;
1131 quick_widgets[7].result = &treplace_whole;
1132 quick_widgets[8].result = &treplace_case;
1133 quick_widgets[9].str_result = arg_order;
1134 quick_widgets[9].text = *arg_order;
1135 quick_widgets[11].str_result = replace_text;
1136 quick_widgets[11].text = *replace_text;
1137 quick_widgets[13].str_result = search_text;
1138 quick_widgets[13].text = *search_text;
1139 {
1140 QuickDialog Quick_input =
1141 {REPLACE_DLG_WIDTH, REPLACE_DLG_HEIGHT, -1, 0, N_(" Replace "),
1142 "[Input Line Keys]", "quick_input", 0 /*quick_widgets */ };
1143
1144 Quick_input.widgets = quick_widgets;
1145
1146 if (quick_dialog (&Quick_input) != B_CANCEL) {
1147 replace_scanf = treplace_scanf;
1148 replace_backwards = treplace_backwards;
1149 replace_regexp = treplace_regexp;
1150 replace_all = treplace_all;
1151 replace_prompt = treplace_prompt;
1152 replace_whole = treplace_whole;
1153 replace_case = treplace_case;
1154 return;
1155 } else {
1156 *arg_order = NULL;
1157 *replace_text = NULL;
1158 *search_text = NULL;
1159 return;
1160 }
1161 }
1162 }
1163
1164
1165 void edit_search_dialog (WEdit * edit, char **search_text)
1166 {
1167 int treplace_scanf = replace_scanf;
1168 int treplace_regexp = replace_regexp;
1169 int treplace_whole = replace_whole;
1170 int treplace_case = replace_case;
1171 int treplace_backwards = replace_backwards;
1172
1173 QuickWidget quick_widgets[] =
1174 {
1175 {quick_button, 6, 10, 7, SEARCH_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
1176 0, NULL},
1177 {quick_button, 2, 10, 7, SEARCH_DLG_HEIGHT, N_("&Ok"), 0, B_ENTER, 0,
1178 0, NULL},
1179 {quick_checkbox, 33, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("scanf &Expression"), 0, 0,
1180 0, 0, NULL },
1181 {quick_checkbox, 33, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("&Backwards"), 0, 0,
1182 0, 0, NULL},
1183 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("&Regular expression"), 0, 0,
1184 0, 0, NULL},
1185 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("&Whole words only"), 0, 0,
1186 0, 0, NULL},
1187 {quick_checkbox, 4, SEARCH_DLG_WIDTH, 4, SEARCH_DLG_HEIGHT, N_("case &Sensitive"), 0, 0,
1188 0, 0, NULL},
1189 {quick_input, 3, SEARCH_DLG_WIDTH, 3, SEARCH_DLG_HEIGHT, "", 52, 0, 0,
1190 0, "edit-search"},
1191 {quick_label, 2, SEARCH_DLG_WIDTH, 2, SEARCH_DLG_HEIGHT, N_(" Enter search string:"), 0, 0, 0,
1192 0, 0},
1193 {0}};
1194
1195 quick_widgets[2].result = &treplace_scanf;
1196 quick_widgets[3].result = &treplace_backwards;
1197 quick_widgets[4].result = &treplace_regexp;
1198 quick_widgets[5].result = &treplace_whole;
1199 quick_widgets[6].result = &treplace_case;
1200 quick_widgets[7].str_result = search_text;
1201 quick_widgets[7].text = *search_text;
1202
1203 {
1204 QuickDialog Quick_input =
1205 {SEARCH_DLG_WIDTH, SEARCH_DLG_HEIGHT, -1, 0, N_(" Search "),
1206 "[Input Line Keys]", "quick_input", 0 /*quick_widgets */ };
1207
1208 Quick_input.widgets = quick_widgets;
1209
1210 if (quick_dialog (&Quick_input) != B_CANCEL) {
1211 replace_scanf = treplace_scanf;
1212 replace_backwards = treplace_backwards;
1213 replace_regexp = treplace_regexp;
1214 replace_whole = treplace_whole;
1215 replace_case = treplace_case;
1216 } else {
1217 *search_text = NULL;
1218 }
1219 }
1220 }
1221
1222
1223 static long sargs[NUM_REPL_ARGS][256 / sizeof (long)];
1224
1225 #define SCANF_ARGS sargs[0], sargs[1], sargs[2], sargs[3], \
1226 sargs[4], sargs[5], sargs[6], sargs[7], \
1227 sargs[8], sargs[9], sargs[10], sargs[11], \
1228 sargs[12], sargs[13], sargs[14], sargs[15]
1229
1230 #define PRINTF_ARGS sargs[argord[0]], sargs[argord[1]], sargs[argord[2]], sargs[argord[3]], \
1231 sargs[argord[4]], sargs[argord[5]], sargs[argord[6]], sargs[argord[7]], \
1232 sargs[argord[8]], sargs[argord[9]], sargs[argord[10]], sargs[argord[11]], \
1233 sargs[argord[12]], sargs[argord[13]], sargs[argord[14]], sargs[argord[15]]
1234
1235
1236 /* This function is a modification of mc-3.2.10/src/view.c:regexp_view_search() */
1237 /* returns -3 on error in pattern, -1 on not found, found_len = 0 if either */
1238 int string_regexp_search (char *pattern, char *string, int len, int match_type, int match_bol, int icase, int *found_len, void *d)
1239 {
1240 static regex_t r;
1241 static char *old_pattern = NULL;
1242 static int old_type, old_icase;
1243 regmatch_t *pmatch;
1244 static regmatch_t s[1];
1245
1246 pmatch = (regmatch_t *) d;
1247 if (!pmatch)
1248 pmatch = s;
1249
1250 if (!old_pattern || strcmp (old_pattern, pattern) || old_type != match_type || old_icase != icase) {
1251 if (old_pattern) {
1252 regfree (&r);
1253 free (old_pattern);
1254 old_pattern = 0;
1255 }
1256 if (regcomp (&r, pattern, REG_EXTENDED | (icase ? REG_ICASE : 0))) {
1257 *found_len = 0;
1258 return -3;
1259 }
1260 old_pattern = (char *) strdup (pattern);
1261 old_type = match_type;
1262 old_icase = icase;
1263 }
1264 if (regexec (&r, string, d ? NUM_REPL_ARGS : 1, pmatch, ((match_bol || match_type != match_normal) ? 0 : REG_NOTBOL)) != 0) {
1265 *found_len = 0;
1266 return -1;
1267 }
1268 *found_len = pmatch[0].rm_eo - pmatch[0].rm_so;
1269 return (pmatch[0].rm_so);
1270 }
1271
1272 /* thanks to Liviu Daia <daia@stoilow.imar.ro> for getting this
1273 (and the above) routines to work properly - paul */
1274
1275 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)
1276 {
1277 long p, q = 0;
1278 long l = strlen ((char *) exp), f = 0;
1279 int n = 0;
1280
1281 for (p = 0; p < l; p++) /* count conversions... */
1282 if (exp[p] == '%')
1283 if (exp[++p] != '%') /* ...except for "%%" */
1284 n++;
1285
1286 if (replace_scanf || replace_regexp) {
1287 int c;
1288 unsigned char *buf;
1289 unsigned char mbuf[MAX_REPL_LEN * 2 + 3];
1290
1291 replace_scanf = (!replace_regexp); /* can't have both */
1292
1293 buf = mbuf;
1294
1295 if (replace_scanf) {
1296 unsigned char e[MAX_REPL_LEN];
1297 if (n >= NUM_REPL_ARGS)
1298 return -3;
1299
1300 if (replace_case) {
1301 for (p = start; p < last_byte && p < start + MAX_REPL_LEN; p++)
1302 buf[p - start] = (*get_byte) (data, p);
1303 } else {
1304 for (p = 0; exp[p] != 0; p++)
1305 exp[p] = my_lower_case (exp[p]);
1306 for (p = start; p < last_byte && p < start + MAX_REPL_LEN; p++) {
1307 c = (*get_byte) (data, p);
1308 buf[p - start] = my_lower_case (c);
1309 }
1310 }
1311
1312 buf[(q = p - start)] = 0;
1313 strcpy ((char *) e, (char *) exp);
1314 strcat ((char *) e, "%n");
1315 exp = e;
1316
1317 while (q) {
1318 *((int *) sargs[n]) = 0; /* --> here was the problem - now fixed: good */
1319 if (n == sscanf ((char *) buf, (char *) exp, SCANF_ARGS)) {
1320 if (*((int *) sargs[n])) {
1321 *len = *((int *) sargs[n]);
1322 return start;
1323 }
1324 }
1325 if (once_only)
1326 return -2;
1327 if (q + start < last_byte) {
1328 if (replace_case) {
1329 buf[q] = (*get_byte) (data, q + start);
1330 } else {
1331 c = (*get_byte) (data, q + start);
1332 buf[q] = my_lower_case (c);
1333 }
1334 q++;
1335 }
1336 buf[q] = 0;
1337 start++;
1338 buf++; /* move the window along */
1339 if (buf == mbuf + MAX_REPL_LEN) { /* the window is about to go past the end of array, so... */
1340 memmove (mbuf, buf, strlen ((char *) buf) + 1); /* reset it */
1341 buf = mbuf;
1342 }
1343 q--;
1344 }
1345 } else { /* regexp matching */
1346 long offset = 0;
1347 int found_start, match_bol, move_win = 0;
1348
1349 while (start + offset < last_byte) {
1350 match_bol = (offset == 0 || (*get_byte) (data, start + offset - 1) == '\n');
1351 if (!move_win) {
1352 p = start + offset;
1353 q = 0;
1354 }
1355 for (; p < last_byte && q < MAX_REPL_LEN; p++, q++) {
1356 mbuf[q] = (*get_byte) (data, p);
1357 if (mbuf[q] == '\n')
1358 break;
1359 }
1360 q++;
1361 offset += q;
1362 mbuf[q] = 0;
1363
1364 buf = mbuf;
1365 while (q) {
1366 found_start = string_regexp_search ((char *) exp, (char *) buf, q, match_normal, match_bol, !replace_case, len, d);
1367
1368 if (found_start <= -2) { /* regcomp/regexec error */
1369 *len = 0;
1370 return -3;
1371 }
1372 else if (found_start == -1) /* not found: try next line */
1373 break;
1374 else if (*len == 0) { /* null pattern: try again at next character */
1375 q--;
1376 buf++;
1377 match_bol = 0;
1378 continue;
1379 }
1380 else /* found */
1381 return (start + offset - q + found_start);
1382 }
1383 if (once_only)
1384 return -2;
1385
1386 if (buf[q - 1] != '\n') { /* incomplete line: try to recover */
1387 buf = mbuf + MAX_REPL_LEN / 2;
1388 q = strlen ((char *) buf);
1389 memmove (mbuf, buf, q);
1390 p = start + q;
1391 move_win = 1;
1392 }
1393 else
1394 move_win = 0;
1395 }
1396 }
1397 } else {
1398 *len = strlen ((char *) exp);
1399 if (replace_case) {
1400 for (p = start; p <= last_byte - l; p++) {
1401 if ((*get_byte) (data, p) == (unsigned char)exp[0]) { /* check if first char matches */
1402 for (f = 0, q = 0; q < l && f < 1; q++)
1403 if ((*get_byte) (data, q + p) != (unsigned char)exp[q])
1404 f = 1;
1405 if (f == 0)
1406 return p;
1407 }
1408 if (once_only)
1409 return -2;
1410 }
1411 } else {
1412 for (p = 0; exp[p] != 0; p++)
1413 exp[p] = my_lower_case (exp[p]);
1414
1415 for (p = start; p <= last_byte - l; p++) {
1416 if (my_lower_case ((*get_byte) (data, p)) == (unsigned char)exp[0]) {
1417 for (f = 0, q = 0; q < l && f < 1; q++)
1418 if (my_lower_case ((*get_byte) (data, q + p)) != (unsigned char)exp[q])
1419 f = 1;
1420 if (f == 0)
1421 return p;
1422 }
1423 if (once_only)
1424 return -2;
1425 }
1426 }
1427 }
1428 return -2;
1429 }
1430
1431
1432 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)
1433 { /*front end to find_string to check for
1434 whole words */
1435 long p;
1436 p = search_start;
1437
1438 while ((p = edit_find_string (p, exp, len, last_byte, get_byte, data, once_only, d)) >= 0) {
1439 if (replace_whole) {
1440 /*If the bordering chars are not in option_whole_chars_search then word is whole */
1441 if (!strcasechr (option_whole_chars_search, (*get_byte) (data, p - 1))
1442 && !strcasechr (option_whole_chars_search, (*get_byte) (data, p + *len)))
1443 return p;
1444 if (once_only)
1445 return -2;
1446 } else
1447 return p;
1448 if (once_only)
1449 break;
1450 p++; /*not a whole word so continue search. */
1451 }
1452 return p;
1453 }
1454
1455 long edit_find (long search_start, unsigned char *exp, int *len, long last_byte, int (*get_byte) (void *, long), void *data, void *d)
1456 {
1457 long p;
1458 if (replace_backwards) {
1459 while (search_start >= 0) {
1460 p = edit_find_forwards (search_start, exp, len, last_byte, get_byte, data, 1, d);
1461 if (p == search_start)
1462 return p;
1463 search_start--;
1464 }
1465 } else {
1466 return edit_find_forwards (search_start, exp, len, last_byte, get_byte, data, 0, d);
1467 }
1468 return -2;
1469 }
1470
1471 #define is_digit(x) ((x) >= '0' && (x) <= '9')
1472
1473 #define snprintf(v) { \
1474 *p1++ = *p++; \
1475 *p1++ = '%'; \
1476 *p1++ = 'n'; \
1477 *p1 = '\0'; \
1478 sprintf(s,q1,v,&n); \
1479 s += n; \
1480 }
1481
1482 /* this function uses the sprintf command to do a vprintf */
1483 /* it takes pointers to arguments instead of the arguments themselves */
1484 static int sprintf_p (char *str, const char *fmt,...)
1485 __attribute__ ((format (printf, 2, 3)));
1486
1487 static int sprintf_p (char *str, const char *fmt,...)
1488 {
1489 va_list ap;
1490 int n;
1491 char *q, *p, *s = str;
1492 char q1[32];
1493 char *p1;
1494
1495 va_start (ap, fmt);
1496 p = q = (char *) fmt;
1497
1498 while ((p = strchr (p, '%'))) {
1499 n = p - q;
1500 strncpy (s, q, n); /* copy stuff between format specifiers */
1501 s += n;
1502 *s = 0;
1503 q = p;
1504 p1 = q1;
1505 *p1++ = *p++;
1506 if (*p == '%') {
1507 p++;
1508 *s++ = '%';
1509 q = p;
1510 continue;
1511 }
1512 if (*p == 'n') {
1513 p++;
1514 /* do nothing */
1515 q = p;
1516 continue;
1517 }
1518 if (*p == '#')
1519 *p1++ = *p++;
1520 if (*p == '0')
1521 *p1++ = *p++;
1522 if (*p == '-')
1523 *p1++ = *p++;
1524 if (*p == '+')
1525 *p1++ = *p++;
1526 if (*p == '*') {
1527 p++;
1528 strcpy (p1, itoa (*va_arg (ap, int *))); /* replace field width with a number */
1529 p1 += strlen (p1);
1530 } else {
1531 while (is_digit (*p))
1532 *p1++ = *p++;
1533 }
1534 if (*p == '.')
1535 *p1++ = *p++;
1536 if (*p == '*') {
1537 p++;
1538 strcpy (p1, itoa (*va_arg (ap, int *))); /* replace precision with a number */
1539 p1 += strlen (p1);
1540 } else {
1541 while (is_digit (*p))
1542 *p1++ = *p++;
1543 }
1544 /* flags done, now get argument */
1545 if (*p == 's') {
1546 snprintf (va_arg (ap, char *));
1547 } else if (*p == 'h') {
1548 if (strchr ("diouxX", *p))
1549 snprintf (*va_arg (ap, short *));
1550 } else if (*p == 'l') {
1551 *p1++ = *p++;
1552 if (strchr ("diouxX", *p))
1553 snprintf (*va_arg (ap, long *));
1554 } else if (strchr ("cdiouxX", *p)) {
1555 snprintf (*va_arg (ap, int *));
1556 } else if (*p == 'L') {
1557 *p1++ = *p++;
1558 if (strchr ("EefgG", *p))
1559 snprintf (*va_arg (ap, double *)); /* should be long double */
1560 } else if (strchr ("EefgG", *p)) {
1561 snprintf (*va_arg (ap, double *));
1562 } else if (strchr ("DOU", *p)) {
1563 snprintf (*va_arg (ap, long *));
1564 } else if (*p == 'p') {
1565 snprintf (*va_arg (ap, void **));
1566 }
1567 q = p;
1568 }
1569 va_end (ap);
1570 sprintf (s, q); /* print trailing leftover */
1571 return s - str + strlen (s);
1572 }
1573
1574 static void regexp_error (WEdit *edit)
1575 {
1576 /* "Error: Syntax error in regular expression, or scanf expression contained too many %'s */
1577 edit_error_dialog (_(" Error "), _(" Invalid regular expression, or scanf expression with to many conversions "));
1578 }
1579
1580 /* call with edit = 0 before shutdown to close memory leaks */
1581 void edit_replace_cmd (WEdit * edit, int again)
1582 {
1583 static regmatch_t pmatch[NUM_REPL_ARGS];
1584 static char *old1 = NULL;
1585 static char *old2 = NULL;
1586 static char *old3 = NULL;
1587 char *exp1 = "";
1588 char *exp2 = "";
1589 char *exp3 = "";
1590 int replace_yes;
1591 int replace_continue;
1592 int treplace_prompt = 0;
1593 int i = 0;
1594 long times_replaced = 0, last_search;
1595 int argord[NUM_REPL_ARGS];
1596
1597 if (!edit) {
1598 if (old1) {
1599 g_free (old1);
1600 old1 = 0;
1601 }
1602 if (old2) {
1603 g_free (old2);
1604 old2 = 0;
1605 }
1606 if (old3) {
1607 g_free (old3);
1608 old3 = 0;
1609 }
1610 return;
1611 }
1612 last_search = edit->last_byte;
1613
1614 edit->force |= REDRAW_COMPLETELY;
1615
1616 exp1 = old1 ? old1 : exp1;
1617 exp2 = old2 ? old2 : exp2;
1618 exp3 = old3 ? old3 : exp3;
1619
1620 if (again) {
1621 if (!old1 || !old2)
1622 return;
1623 exp1 = g_strdup (old1);
1624 exp2 = g_strdup (old2);
1625 exp3 = g_strdup (old3);
1626 } else {
1627 edit_push_action (edit, KEY_PRESS + edit->start_display);
1628
1629 #ifdef HAVE_CHARSET
1630 if (exp1 && *exp1)
1631 convert_to_display (exp1);
1632 if (exp2 && *exp2)
1633 convert_to_display (exp2);
1634 #endif /* HAVE_CHARSET */
1635
1636 edit_replace_dialog (edit, &exp1, &exp2, &exp3);
1637
1638 #ifdef HAVE_CHARSET
1639 if (exp1 && *exp1)
1640 convert_from_input (exp1);
1641 if (exp2 && *exp2)
1642 convert_from_input (exp2);
1643 #endif /* HAVE_CHARSET */
1644
1645 treplace_prompt = replace_prompt;
1646 }
1647
1648 if (!exp1 || !*exp1) {
1649 edit->force = REDRAW_COMPLETELY;
1650 if (exp1)
1651 g_free (exp1);
1652 if (exp2)
1653 g_free (exp2);
1654 if (exp3)
1655 g_free (exp3);
1656 return;
1657 }
1658 if (old1)
1659 g_free (old1);
1660 if (old2)
1661 g_free (old2);
1662 if (old3)
1663 g_free (old3);
1664 old1 = g_strdup (exp1);
1665 old2 = g_strdup (exp2);
1666 old3 = g_strdup (exp3);
1667
1668 {
1669 char *s;
1670 int ord;
1671 while ((s = strchr (exp3, ' ')))
1672 memmove (s, s + 1, strlen (s));
1673 s = exp3;
1674 for (i = 0; i < NUM_REPL_ARGS; i++) {
1675 if (s != (char *)1 && *s) {
1676 ord = atoi (s);
1677 if ((ord > 0) && (ord < NUM_REPL_ARGS))
1678 argord[i] = ord - 1;
1679 else
1680 argord[i] = i;
1681 s = strchr (s, ',') + 1;
1682 } else
1683 argord[i] = i;
1684 }
1685 }
1686
1687 replace_continue = replace_all;
1688
1689 if (edit->found_len && edit->search_start == edit->found_start + 1 && replace_backwards)
1690 edit->search_start--;
1691
1692 if (edit->found_len && edit->search_start == edit->found_start - 1 && !replace_backwards)
1693 edit->search_start++;
1694
1695 do {
1696 int len = 0;
1697 long new_start;
1698 new_start = edit_find (edit->search_start, (unsigned char *) exp1, &len, last_search,
1699 (int (*)(void *, long)) edit_get_byte, (void *) edit, pmatch);
1700 if (new_start == -3) {
1701 regexp_error (edit);
1702 break;
1703 }
1704 edit->search_start = new_start;
1705 /*returns negative on not found or error in pattern */
1706
1707 if (edit->search_start >= 0) {
1708 edit->found_start = edit->search_start;
1709 i = edit->found_len = len;
1710
1711 edit_cursor_move (edit, edit->search_start - edit->curs1);
1712 edit_scroll_screen_over_cursor (edit);
1713
1714 replace_yes = 1;
1715
1716 if (treplace_prompt) {
1717 int l;
1718 l = edit->curs_row - edit->num_widget_lines / 3;
1719 if (l > 0)
1720 edit_scroll_downward (edit, l);
1721 if (l < 0)
1722 edit_scroll_upward (edit, -l);
1723
1724 edit_scroll_screen_over_cursor (edit);
1725 edit->force |= REDRAW_PAGE;
1726 edit_render_keypress (edit);
1727
1728 /*so that undo stops at each query */
1729 edit_push_key_press (edit);
1730
1731 switch (edit_replace_prompt (edit, exp2, /* and prompt 2/3 down */
1732 (edit->num_widget_columns - CONFIRM_DLG_WIDTH)/2,
1733 edit->num_widget_lines * 2 / 3)) {
1734 case B_ENTER:
1735 break;
1736 case B_SKIP_REPLACE:
1737 replace_yes = 0;
1738 break;
1739 case B_REPLACE_ALL:
1740 treplace_prompt = 0;
1741 replace_continue = 1;
1742 break;
1743 case B_REPLACE_ONE:
1744 replace_continue = 0;
1745 break;
1746 case B_CANCEL:
1747 replace_yes = 0;
1748 replace_continue = 0;
1749 break;
1750 }
1751 }
1752 if (replace_yes) { /* delete then insert new */
1753 if (replace_scanf || replace_regexp) {
1754 char repl_str[MAX_REPL_LEN + 2];
1755 if (replace_regexp) { /* we need to fill in sargs just like with scanf */
1756 int k, j;
1757 for (k = 1; k < NUM_REPL_ARGS && pmatch[k].rm_eo >= 0; k++) {
1758 unsigned char *t;
1759 t = (unsigned char *) &sargs[k - 1][0];
1760 for (j = 0; j < pmatch[k].rm_eo - pmatch[k].rm_so && j < 255; j++, t++)
1761 *t = (unsigned char) edit_get_byte (edit, edit->search_start - pmatch[0].rm_so + pmatch[k].rm_so + j);
1762 *t = '\0';
1763 }
1764 for (; k <= NUM_REPL_ARGS; k++)
1765 sargs[k - 1][0] = 0;
1766 }
1767 if (sprintf_p (repl_str, exp2, PRINTF_ARGS) >= 0) {
1768 times_replaced++;
1769 while (i--)
1770 edit_delete (edit);
1771 while (repl_str[++i])
1772 edit_insert (edit, repl_str[i]);
1773 } else {
1774 edit_error_dialog (_ (" Replace "),
1775 /* "Invalid regexp string or scanf string" */
1776 _ (" Error in replacement format string. "));
1777 replace_continue = 0;
1778 }
1779 } else {
1780 times_replaced++;
1781 while (i--)
1782 edit_delete (edit);
1783 while (exp2[++i])
1784 edit_insert (edit, exp2[i]);
1785 }
1786 edit->found_len = i;
1787 }
1788 /* so that we don't find the same string again */
1789 if (replace_backwards) {
1790 last_search = edit->search_start;
1791 edit->search_start--;
1792 } else {
1793 edit->search_start += i;
1794 last_search = edit->last_byte;
1795 }
1796 edit_scroll_screen_over_cursor (edit);
1797 } else {
1798 edit->search_start = edit->curs1; /* try and find from right here for next search */
1799 edit_update_curs_col (edit);
1800
1801 edit->force |= REDRAW_PAGE;
1802 edit_render_keypress (edit);
1803 if (times_replaced) {
1804 message (0, _(" Replace "), _(" %ld replacements made. "), times_replaced);
1805 } else
1806 edit_message_dialog (_ (" Replace "), _ (" Search string not found. "));
1807 replace_continue = 0;
1808 }
1809 } while (replace_continue);
1810
1811 g_free (exp1);
1812 g_free (exp2);
1813 g_free (exp3);
1814 edit->force = REDRAW_COMPLETELY;
1815 edit_scroll_screen_over_cursor (edit);
1816 }
1817
1818
1819
1820
1821 void edit_search_cmd (WEdit * edit, int again)
1822 {
1823 static char *old = NULL;
1824 char *exp = "";
1825
1826 if (!edit) {
1827 if (old) {
1828 g_free (old);
1829 old = 0;
1830 }
1831 return;
1832 }
1833 exp = old ? old : exp;
1834 if (again) { /*ctrl-hotkey for search again. */
1835 if (!old)
1836 return;
1837 exp = (char *) g_strdup (old);
1838 } else {
1839
1840 #ifdef HAVE_CHARSET
1841 if (exp && *exp)
1842 convert_to_display (exp);
1843 #endif /* HAVE_CHARSET */
1844
1845 edit_search_dialog (edit, &exp);
1846
1847 #ifdef HAVE_CHARSET
1848 if (exp && *exp)
1849 convert_from_input (exp);
1850 #endif /* HAVE_CHARSET */
1851
1852 edit_push_action (edit, KEY_PRESS + edit->start_display);
1853 }
1854
1855 if (exp) {
1856 if (*exp) {
1857 int len = 0;
1858 if (old)
1859 g_free (old);
1860 old = (char *) g_strdup (exp);
1861
1862 if (search_create_bookmark) {
1863 int found = 0, books = 0;
1864 int l = 0, l_last = -1;
1865 long p, q = 0;
1866 for (;;) {
1867 p = edit_find (q, (unsigned char *) exp, &len, edit->last_byte,
1868 (int (*)(void *, long)) edit_get_byte, (void *) edit, 0);
1869 if (p < 0)
1870 break;
1871 found++;
1872 l += edit_count_lines (edit, q, p);
1873 if (l != l_last) {
1874 book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR);
1875 books++;
1876 }
1877 l_last = l;
1878 q = p + 1;
1879 }
1880 if (found) {
1881 /* in response to number of bookmarks added because of string being found %d times */
1882 message (0, _(" Search "), _(" %d finds made, %d bookmarks added "), found, books);
1883 } else {
1884 edit_error_dialog (_ (" Search "), _ (" Search string not found. "));
1885 }
1886 } else {
1887
1888 if (edit->found_len && edit->search_start == edit->found_start + 1 && replace_backwards)
1889 edit->search_start--;
1890
1891 if (edit->found_len && edit->search_start == edit->found_start - 1 && !replace_backwards)
1892 edit->search_start++;
1893
1894 edit->search_start = edit_find (edit->search_start, (unsigned char *) exp, &len, edit->last_byte,
1895 (int (*)(void *, long)) edit_get_byte, (void *) edit, 0);
1896
1897 if (edit->search_start >= 0) {
1898 edit->found_start = edit->search_start;
1899 edit->found_len = len;
1900
1901 edit_cursor_move (edit, edit->search_start - edit->curs1);
1902 edit_scroll_screen_over_cursor (edit);
1903 if (replace_backwards)
1904 edit->search_start--;
1905 else
1906 edit->search_start++;
1907 } else if (edit->search_start == -3) {
1908 edit->search_start = edit->curs1;
1909 regexp_error (edit);
1910 } else {
1911 edit->search_start = edit->curs1;
1912 edit_error_dialog (_ (" Search "), _ (" Search string not found. "));
1913 }
1914 }
1915 }
1916 g_free (exp);
1917 }
1918 edit->force |= REDRAW_COMPLETELY;
1919 edit_scroll_screen_over_cursor (edit);
1920 }
1921
1922
1923 /* Real edit only */
1924 void edit_quit_cmd (WEdit * edit)
1925 {
1926 edit_push_action (edit, KEY_PRESS + edit->start_display);
1927
1928 edit->force |= REDRAW_COMPLETELY;
1929 if (edit->modified) {
1930 switch (edit_query_dialog3 (_ (" Quit "), _ (" File was modified, Save with exit? "), _ ("Cancel quit"), _ ("&Yes"), _ ("&No"))) {
1931 case 1:
1932 edit_push_markers (edit);
1933 edit_set_markers (edit, 0, 0, 0, 0);
1934 if (!edit_save_cmd (edit))
1935 return;
1936 break;
1937 case 2:
1938 if (edit->delete_file)
1939 unlink (catstrs (edit->dir, edit->filename, 0));
1940 break;
1941 case 0:
1942 case -1:
1943 return;
1944 }
1945 }
1946 else if (edit->delete_file)
1947 unlink (catstrs (edit->dir, edit->filename, 0));
1948 dlg_stop (edit->widget.parent);
1949 }
1950
1951 #define TEMP_BUF_LEN 1024
1952
1953 /* returns a null terminated length of text. Result must be free'd */
1954 unsigned char *edit_get_block (WEdit * edit, long start, long finish, int *l)
1955 {
1956 unsigned char *s, *r;
1957 r = s = malloc (finish - start + 1);
1958 if (column_highlighting) {
1959 *l = 0;
1960 while (start < finish) { /* copy from buffer, excluding chars that are out of the column 'margins' */
1961 int c, x;
1962 x = edit_move_forward3 (edit, edit_bol (edit, start), 0, start);
1963 c = edit_get_byte (edit, start);
1964 if ((x >= edit->column1 && x < edit->column2)
1965 || (x >= edit->column2 && x < edit->column1) || c == '\n') {
1966 *s++ = c;
1967 (*l)++;
1968 }
1969 start++;
1970 }
1971 } else {
1972 *l = finish - start;
1973 while (start < finish)
1974 *s++ = edit_get_byte (edit, start++);
1975 }
1976 *s = 0;
1977 return r;
1978 }
1979
1980 /* save block, returns 1 on success */
1981 int edit_save_block (WEdit * edit, const char *filename, long start, long finish)
1982 {
1983 int len, file;
1984
1985 if ((file = mc_open ((char *) filename, O_CREAT | O_WRONLY | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) == -1)
1986 return 0;
1987
1988 if (column_highlighting) {
1989 unsigned char *block, *p;
1990 int r;
1991 p = block = edit_get_block (edit, start, finish, &len);
1992 while (len) {
1993 r = mc_write (file, p, len);
1994 if (r < 0)
1995 break;
1996 p += r;
1997 len -= r;
1998 }
1999 free (block);
2000 } else {
2001 unsigned char *buf;
2002 int i = start, end;
2003 len = finish - start;
2004 buf = malloc (TEMP_BUF_LEN);
2005 while (start != finish) {
2006 end = min (finish, start + TEMP_BUF_LEN);
2007 for (; i < end; i++)
2008 buf[i - start] = edit_get_byte (edit, i);
2009 len -= mc_write (file, (char *) buf, end - start);
2010 start = end;
2011 }
2012 free (buf);
2013 }
2014 mc_close (file);
2015 if (len)
2016 return 0;
2017 return 1;
2018 }
2019
2020 /* copies a block to clipboard file */
2021 static int edit_save_block_to_clip_file (WEdit * edit, long start, long finish)
2022 {
2023 return edit_save_block (edit, catstrs (home_dir, CLIP_FILE, 0), start, finish);
2024 }
2025
2026
2027 void edit_paste_from_history (WEdit *edit)
2028 {
2029 }
2030
2031 int edit_copy_to_X_buf_cmd (WEdit * edit)
2032 {
2033 long start_mark, end_mark;
2034 if (eval_marks (edit, &start_mark, &end_mark))
2035 return 0;
2036 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
2037 edit_error_dialog (_(" Copy to clipboard "), get_sys_error (_(" Unable to save to file. ")));
2038 return 1;
2039 }
2040 edit_mark_cmd (edit, 1);
2041 return 0;
2042 }
2043
2044 int edit_cut_to_X_buf_cmd (WEdit * edit)
2045 {
2046 long start_mark, end_mark;
2047 if (eval_marks (edit, &start_mark, &end_mark))
2048 return 0;
2049 if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) {
2050 edit_error_dialog (_(" Cut to clipboard "), _(" Unable to save to file. "));
2051 return 1;
2052 }
2053 edit_block_delete_cmd (edit);
2054 edit_mark_cmd (edit, 1);
2055 return 0;
2056 }
2057
2058 void edit_paste_from_X_buf_cmd (WEdit * edit)
2059 {
2060 edit_insert_file (edit, catstrs (home_dir, CLIP_FILE, 0));
2061 }
2062
2063
2064 void edit_goto_cmd (WEdit *edit)
2065 {
2066 char *f;
2067 static int l = 0;
2068 char s[12];
2069 sprintf (s, "%d", l);
2070 f = input_dialog (_(" Goto line "), _(" Enter line: "), l ? s : "");
2071 if (f) {
2072 if (*f) {
2073 l = atoi (f);
2074 edit_move_display (edit, l - edit->num_widget_lines / 2 - 1);
2075 edit_move_to_line (edit, l - 1);
2076 edit->force |= REDRAW_COMPLETELY;
2077 }
2078 g_free (f);
2079 }
2080 }
2081
2082 /*returns 1 on success */
2083 int edit_save_block_cmd (WEdit * edit)
2084 {
2085 long start_mark, end_mark;
2086 char *exp;
2087 if (eval_marks (edit, &start_mark, &end_mark))
2088 return 1;
2089 exp = edit_get_save_file (edit->dir, catstrs (home_dir, CLIP_FILE, 0), _ (" Save Block "));
2090 edit_push_action (edit, KEY_PRESS + edit->start_display);
2091 if (exp) {
2092 if (!*exp) {
2093 g_free (exp);
2094 return 0;
2095 } else {
2096 if (edit_save_block (edit, exp, start_mark, end_mark)) {
2097 g_free (exp);
2098 edit->force |= REDRAW_COMPLETELY;
2099 return 1;
2100 } else {
2101 g_free (exp);
2102 edit_error_dialog (_ (" Save Block "), get_sys_error (_ (" Error trying to save file. ")));
2103 }
2104 }
2105 }
2106 edit->force |= REDRAW_COMPLETELY;
2107 return 0;
2108 }
2109
2110
2111 /* returns 1 on success */
2112 int edit_insert_file_cmd (WEdit * edit)
2113 {
2114 char *exp = edit_get_load_file (edit->dir, catstrs (home_dir, CLIP_FILE, 0), _ (" Insert File "));
2115 edit_push_action (edit, KEY_PRESS + edit->start_display);
2116 if (exp) {
2117 if (!*exp) {
2118 g_free (exp);
2119 return 0;
2120 } else {
2121 if (edit_insert_file (edit, exp)) {
2122 g_free (exp);
2123 edit->force |= REDRAW_COMPLETELY;
2124 return 1;
2125 } else {
2126 g_free (exp);
2127 edit_error_dialog (_ (" Insert file "), get_sys_error (_ (" Error trying to insert file. ")));
2128 }
2129 }
2130 }
2131 edit->force |= REDRAW_COMPLETELY;
2132 return 0;
2133 }
2134
2135 /* sorts a block, returns -1 on system fail, 1 on cancel and 0 on success */
2136 int edit_sort_cmd (WEdit * edit)
2137 {
2138 static char *old = 0;
2139 char *exp;
2140 long start_mark, end_mark;
2141 int e;
2142
2143 if (eval_marks (edit, &start_mark, &end_mark)) {
2144 edit_error_dialog (_(" Sort block "), _(" You must first highlight a block of text. "));
2145 return 0;
2146 }
2147 edit_save_block (edit, catstrs (home_dir, BLOCK_FILE, 0), start_mark, end_mark);
2148
2149 exp = old ? old : "";
2150
2151 exp = input_dialog (_(" Run Sort "),
2152 _(" Enter sort options (see manpage) separated by whitespace: "), exp);
2153
2154 if (!exp)
2155 return 1;
2156 if (old)
2157 g_free (old);
2158 old = exp;
2159
2160 e = system (catstrs (" sort ", exp, " ", home_dir, BLOCK_FILE, " > ", home_dir, TEMP_FILE, 0));
2161 if (e) {
2162 if (e == -1 || e == 127) {
2163 edit_error_dialog (_(" Sort "),
2164 get_sys_error (_(" Error trying to execute sort command ")));
2165 } else {
2166 char q[8];
2167 sprintf (q, "%d ", e);
2168 edit_error_dialog (_(" Sort "),
2169 catstrs (_(" Sort returned non-zero: "), q, 0));
2170 }
2171 return -1;
2172 }
2173
2174 edit->force |= REDRAW_COMPLETELY;
2175
2176 if (edit_block_delete_cmd (edit))
2177 return 1;
2178 edit_insert_file (edit, catstrs (home_dir, TEMP_FILE, 0));
2179 return 0;
2180 }
2181
2182 /* if block is 1, a block must be highlighted and the shell command
2183 processes it. If block is 0 the shell command is a straight system
2184 command, that just produces some output which is to be inserted */
2185 void
2186 edit_block_process_cmd (WEdit * edit, const char *shell_cmd, int block)
2187 {
2188 long start_mark, end_mark;
2189 struct stat s;
2190 char buf[BUFSIZ];
2191 FILE *script_home = NULL;
2192 FILE *script_src = NULL;
2193 FILE *block_file = NULL;
2194 char *o = NULL;
2195 char *h = NULL;
2196 char *b = NULL;
2197 char *e = NULL;
2198
2199 o = g_strconcat (mc_home, shell_cmd, 0); /* original source script */
2200 h = g_strconcat (home_dir, EDIT_DIR, shell_cmd, 0); /* home script */
2201 b = g_strconcat (home_dir, BLOCK_FILE, 0); /* block file */
2202 e = g_strconcat (home_dir, ERROR_FILE, 0); /* error file */
2203
2204 if (!(script_home = fopen (h, "r"))) {
2205 if (!(script_home = fopen (h, "w"))) {
2206 edit_error_dialog ("", get_sys_error (g_strconcat
2207 (_
2208 ("Error create script:"),
2209 h, 0)));
2210 goto err;
2211 }
2212 if (!(script_src = fopen (o, "r"))) {
2213 fclose (script_home);
2214 unlink (h);
2215 edit_error_dialog ("", get_sys_error (g_strconcat
2216 (_("Error read script:"),
2217 o, 0)));
2218 goto err;
2219 }
2220 while (fgets (buf, sizeof (buf), script_src))
2221 fputs (buf, script_home);
2222 if (fclose (script_home)) {
2223 edit_error_dialog ("", get_sys_error (g_strconcat
2224 (_
2225 ("Error close script:"),
2226 h, 0)));
2227 goto err;
2228 }
2229 chmod (h, 0700);
2230 edit_error_dialog ("", get_sys_error (g_strconcat
2231 (_("Script created:"), h,
2232 0)));
2233 }
2234 if (block) { /* for marked block run indent formatter */
2235 if (eval_marks (edit, &start_mark, &end_mark)) {
2236 edit_error_dialog (_("Process block"),
2237 _
2238 (" You must first highlight a block of text. "));
2239 goto err;
2240 }
2241 edit_save_block (edit, b, start_mark, end_mark);
2242
2243 /*
2244 * Run script.
2245 * Initial space is to avoid polluting bash history.
2246 * Arguments:
2247 * $1 - name of the edited file (to check its extention etc).
2248 * $2 - file containing the current block.
2249 * $3 - file where error messages should be put.
2250 */
2251 execute (g_strconcat (" ", home_dir, EDIT_DIR, shell_cmd, " ",
2252 edit->filename, " ", home_dir, BLOCK_FILE,
2253 " ", home_dir, ERROR_FILE, NULL));
2254
2255 } else {
2256 /*
2257 * No block selected, just execute the command for the file.
2258 * Arguments:
2259 * $1 - name of the edited file.
2260 */
2261 execute (g_strconcat (" ", home_dir, EDIT_DIR, shell_cmd, " ",
2262 edit->filename, NULL));
2263 }
2264
2265 edit_refresh_cmd (edit);
2266 edit->force |= REDRAW_COMPLETELY;
2267
2268 /* insert result block */
2269 if (block) {
2270 if (mc_stat (e, &s) == 0) {
2271 if (!s.st_size) { /* no error messages */
2272 if (edit_block_delete_cmd (edit))
2273 goto err;
2274 edit_insert_file (edit, b);
2275 } else {
2276 edit_insert_file (edit, e);
2277 }
2278 } else {
2279 edit_error_dialog ("",
2280 get_sys_error (g_strconcat
2281 (_
2282 ("Error trying to stat file:"),
2283 e, 0)));
2284 edit->force |= REDRAW_COMPLETELY;
2285 }
2286 if ((block_file = fopen (b, "w")))
2287 fclose (block_file);
2288 goto err;
2289 }
2290
2291 err:
2292 g_free (o);
2293 g_free (h);
2294 g_free (b);
2295 g_free (e);
2296
2297 return;
2298 }
2299
2300 /* prints at the cursor */
2301 /* returns the number of chars printed */
2302 int edit_print_string (WEdit * e, const char *s)
2303 {
2304 int i = 0;
2305 while (s[i])
2306 edit_execute_cmd (e, -1, (unsigned char) s[i++]);
2307 e->force |= REDRAW_COMPLETELY;
2308 edit_update_screen (e);
2309 return i;
2310 }
2311
2312 int edit_printf (WEdit * e, const char *fmt,...)
2313 {
2314 int i;
2315 va_list pa;
2316 char s[1024];
2317 va_start (pa, fmt);
2318 sprintf (s, fmt, pa);
2319 i = edit_print_string (e, s);
2320 va_end (pa);
2321 return i;
2322 }
2323
2324 /* FIXME: does this function break NT_OS2 ? */
2325
2326 static void pipe_mail (WEdit *edit, char *to, char *subject, char *cc)
2327 {
2328 FILE *p = 0;
2329 char *s;
2330
2331 s = g_strdup_printf ("mail -s \"%s\" -c \"%s\" \"%s\"", subject, cc, to);
2332
2333 if (s) {
2334 p = popen (s, "w");
2335 g_free (s);
2336 }
2337
2338 if (p) {
2339 long i;
2340 for (i = 0; i < edit->last_byte; i++)
2341 fputc (edit_get_byte (edit, i), p);
2342 pclose (p);
2343 }
2344 }
2345
2346 #define MAIL_DLG_HEIGHT 12
2347
2348 void edit_mail_dialog (WEdit * edit)
2349 {
2350 char *tmail_to;
2351 char *tmail_subject;
2352 char *tmail_cc;
2353
2354 static char *mail_cc_last = 0;
2355 static char *mail_subject_last = 0;
2356 static char *mail_to_last = 0;
2357
2358 QuickDialog Quick_input =
2359 {50, MAIL_DLG_HEIGHT, -1, 0, N_(" Mail "),
2360 "[Input Line Keys]", "quick_input", 0};
2361
2362 QuickWidget quick_widgets[] =
2363 {
2364 {quick_button, 6, 10, 9, MAIL_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0,
2365 0, NULL},
2366 {quick_button, 2, 10, 9, MAIL_DLG_HEIGHT, N_("&Ok"), 0, B_ENTER, 0,
2367 0, NULL},
2368 {quick_input, 3, 50, 8, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2369 0, "mail-dlg-input"},
2370 {quick_label, 2, 50, 7, MAIL_DLG_HEIGHT, N_(" Copies to"), 0, 0, 0,
2371 0, 0},
2372 {quick_input, 3, 50, 6, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2373 0, "mail-dlg-input-2"},
2374 {quick_label, 2, 50, 5, MAIL_DLG_HEIGHT, N_(" Subject"), 0, 0, 0,
2375 0, 0},
2376 {quick_input, 3, 50, 4, MAIL_DLG_HEIGHT, "", 44, 0, 0,
2377 0, "mail-dlg-input-3"},
2378 {quick_label, 2, 50, 3, MAIL_DLG_HEIGHT, N_(" To"), 0, 0, 0,
2379 0, 0},
2380 {quick_label, 2, 50, 2, MAIL_DLG_HEIGHT, N_(" mail -s <subject> -c <cc> <to>"), 0, 0, 0,
2381 0, 0},
2382 {0}};
2383
2384 quick_widgets[2].str_result = &tmail_cc;
2385 quick_widgets[2].text = mail_cc_last ? mail_cc_last : "";
2386 quick_widgets[4].str_result = &tmail_subject;
2387 quick_widgets[4].text = mail_subject_last ? mail_subject_last : "";
2388 quick_widgets[6].str_result = &tmail_to;
2389 quick_widgets[6].text = mail_to_last ? mail_to_last : "";
2390
2391 Quick_input.widgets = quick_widgets;
2392
2393 if (quick_dialog (&Quick_input) != B_CANCEL) {
2394 if (mail_cc_last)
2395 g_free (mail_cc_last);
2396 if (mail_subject_last)
2397 g_free (mail_subject_last);
2398 if (mail_to_last)
2399 g_free (mail_to_last);
2400 mail_cc_last = *(quick_widgets[2].str_result);
2401 mail_subject_last = *(quick_widgets[4].str_result);
2402 mail_to_last = *(quick_widgets[6].str_result);
2403 pipe_mail (edit, mail_to_last, mail_subject_last, mail_cc_last);
2404 }
2405 }
2406
2407
2408 /*******************/
2409 /* Word Completion */
2410 /*******************/
2411
2412
2413 /* find first character of current word */
2414 static int edit_find_word_start (WEdit *edit, long *word_start, int *word_len)
2415 {
2416 int i, c, last;
2417
2418 /* return if at begin of file */
2419 if (edit->curs1 <= 0)
2420 return 0;
2421
2422 c = (unsigned char) edit_get_byte (edit, edit->curs1 - 1);
2423 /* return if not at end or in word */
2424 if (isspace (c) || !(isalnum (c) || c == '_'))
2425 return 0;
2426
2427 /* search start of word to be completed */
2428 for (i = 2;; i++) {
2429 /* return if at begin of file */
2430 if (edit->curs1 - i < 0)
2431 return 0;
2432
2433 last = c;
2434 c = (unsigned char) edit_get_byte (edit, edit->curs1 - i);
2435
2436 if (!(isalnum (c) || c == '_')) {
2437 /* return if word starts with digit */
2438 if (isdigit (last))
2439 return 0;
2440
2441 *word_start = edit->curs1 - (i - 1); /* start found */
2442 *word_len = i - 1;
2443 break;
2444 }
2445 }
2446 /* success */
2447 return 1;
2448 }
2449
2450
2451 /* (re)set search parameters to the given values */
2452 static void edit_set_search_parameters (int rs, int rb, int rr, int rw, int rc)
2453 {
2454 replace_scanf = rs;
2455 replace_backwards = rb;
2456 replace_regexp = rr;
2457 replace_whole = rw;
2458 replace_case = rc;
2459 }
2460
2461
2462 const static int MAX_WORD_COMPLETIONS = 100; /* in listbox */
2463
2464
2465 /* collect the possible completions */
2466 static int edit_collect_completions (WEdit *edit, long start,
2467 int word_len, char *match_expr, struct selection *compl, int *num)
2468 {
2469 int len, max_len = 0, i, skip;
2470 char *bufpos;
2471
2472 /* collect max MAX_WORD_COMPLETIONS completions */
2473 while (*num < MAX_WORD_COMPLETIONS) {
2474 /* get next match */
2475 start = edit_find (start - 1, (unsigned char *) match_expr, &len,
2476 edit->last_byte, (int (*)(void *, long)) edit_get_byte,
2477 (void *) edit, 0);
2478
2479 /* not matched */
2480 if (start < 0)
2481 break;
2482
2483 /* add matched completion if not yet added */
2484 bufpos = &edit->buffers1[start >> S_EDIT_BUF_SIZE][start & M_EDIT_BUF_SIZE];
2485 skip = 0;
2486 for (i = 0; i < *num; i++) {
2487 if (strncmp (&compl[i].text[word_len], &bufpos[word_len],
2488 max (len, compl[i].len) - word_len) == 0) {
2489 skip = 1;
2490 break; /* skip it, already added */
2491 }
2492 }
2493 if (skip)
2494 continue;
2495
2496 compl[*num].text = CMalloc (len + 1);
2497 compl[*num].len = len;
2498 for (i = 0; i < len; i++)
2499 compl[*num].text[i] = *(bufpos + i);
2500 compl[*num].text[i] = '\0';
2501 (*num)++;
2502
2503 /* note the maximal length needed for the completion dialog */
2504 if (len > max_len)
2505 max_len = len;
2506 }
2507 return max_len;
2508 }
2509
2510
2511 /* completion dialog callback */
2512 static int compl_callback (Dlg_head *h, int key, int Msg)
2513 {
2514 switch (Msg) {
2515 case DLG_DRAW:
2516 common_dialog_repaint (h);
2517 break;
2518 }
2519 return 0;
2520 }
2521
2522
2523 static int compllist_callback (void *data)
2524 {
2525 return 0;
2526 }
2527
2528
2529 /* let the user select its preferred completion */
2530 void edit_completion_dialog (WEdit *edit, int max_len, int word_len,
2531 struct selection *compl, int num_compl)
2532 {
2533 int start_x, start_y, offset, i;
2534 char *curr = NULL;
2535 Dlg_head *compl_dlg;
2536 WListbox *compl_list;
2537 unsigned int compl_dlg_h; /* completion dialog height */
2538 unsigned int compl_dlg_w; /* completion dialog width */
2539
2540 /* calculate the dialog metrics */
2541 compl_dlg_h = num_compl + 2;
2542 compl_dlg_w = max_len + 4;
2543 start_x = edit->curs_col + edit->start_col - (compl_dlg_w / 2);
2544 start_y = edit->curs_row + EDIT_TEXT_VERTICAL_OFFSET + 1;
2545
2546 if (start_x < 0)
2547 start_x = 0;
2548 if (compl_dlg_w > COLS)
2549 compl_dlg_w = COLS;
2550 if (compl_dlg_h > LINES - 2)
2551 compl_dlg_h = LINES - 2;
2552
2553 offset = start_x + compl_dlg_w - COLS;
2554 if (offset > 0)
2555 start_x -= offset;
2556 offset = start_y + compl_dlg_h - LINES;
2557 if (offset > 0)
2558 start_y -= (offset + 1);
2559
2560 /* create the dialog */
2561 compl_dlg = create_dlg (start_y, start_x, compl_dlg_h, compl_dlg_w,
2562 dialog_colors, compl_callback, "[Word Completion]", "complete_word",
2563 DLG_COMPACT);
2564
2565 /* create the listbox */
2566 compl_list = listbox_new (1, 1, compl_dlg_w - 2, compl_dlg_h - 2, 0,
2567 compllist_callback, NULL);
2568
2569 /* add the dialog */
2570 add_widget (compl_dlg, compl_list);
2571
2572 /* fill the listbox with the completions */
2573 for (i = 0; i < num_compl; i++)
2574 listbox_add_item (compl_list, 0, 0, compl[i].text, NULL);
2575
2576 /* pop up the dialog */
2577 run_dlg (compl_dlg);
2578
2579 /* apply the choosen completion */
2580 if (compl_dlg->ret_value == B_ENTER) {
2581 listbox_get_current (compl_list, &curr, NULL);
2582 if (curr)
2583 for (curr += word_len; *curr; curr++)
2584 edit_insert (edit, *curr);
2585 }
2586
2587 /* destroy dialog before return */
2588 destroy_dlg (compl_dlg);
2589 }
2590
2591
2592 /* complete current word using regular expression search */
2593 /* backwards beginning at current cursor position */
2594 void edit_complete_word_cmd (WEdit *edit)
2595 {
2596 int word_len = 0, i, num_compl = 0, max_len;
2597 long word_start = 0;
2598 char *bufpos;
2599 char match_expr[MAX_REPL_LEN];
2600 struct selection compl[MAX_WORD_COMPLETIONS]; /* completions */
2601
2602 /* don't want to disturb another search */
2603 int old_rs = replace_scanf;
2604 int old_rb = replace_backwards;
2605 int old_rr = replace_regexp;
2606 int old_rw = replace_whole;
2607 int old_rc = replace_case;
2608
2609 /* search start of word to be completed */
2610 if (!edit_find_word_start (edit, &word_start, &word_len))
2611 return;
2612
2613 /* prepare match expression */
2614 bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE]
2615 [word_start & M_EDIT_BUF_SIZE];
2616 strncpy (match_expr, bufpos, word_len);
2617 match_expr[word_len] = '\0';
2618 strcat (match_expr, "[a-zA-Z_0-9]+");
2619
2620 /* init search: backward, regexp, whole word, case sensitive */
2621 edit_set_search_parameters (0, 1, 1, 1, 1);
2622
2623 /* collect the possible completions */
2624 /* start search from curs1 down to begin of file */
2625 max_len = edit_collect_completions (edit, word_start, word_len,
2626 match_expr, (struct selection *) &compl, &num_compl);
2627
2628 if (num_compl > 0) {
2629 /* insert completed word if there is only one match */
2630 if (num_compl == 1) {
2631 for (i = word_len; i < compl[0].len; i++)
2632 edit_insert (edit, *(compl[0].text + i));
2633 }
2634 /* more than one possible completion => ask the user */
2635 else {
2636 /* !!! usually only a beep is expected and when <ALT-TAB> is !!! */
2637 /* !!! pressed again the selection dialog pops up, but that !!! */
2638 /* !!! seems to require a further internal state !!! */
2639 /*beep ();*/
2640
2641 /* let the user select the preferred completion */
2642 edit_completion_dialog (edit, max_len, word_len,
2643 (struct selection *) &compl, num_compl);
2644 }
2645 }
2646
2647 /* release memory before return */
2648 for (i = 0; i < num_compl; i++)
2649 free (compl[i].text);
2650
2651 /* restore search parameters */
2652 edit_set_search_parameters (old_rs, old_rb, old_rr, old_rw, old_rc);
2653 }
Midnight Commander