/* editor high level editing commands. Copyright (C) 1996, 1997 the Free Software Foundation Authors: 1996, 1997 Paul Sheer This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ /* #define PIPE_BLOCKS_SO_READ_BYTE_BY_BYTE */ #include #include #include "edit.h" #include "editcmddef.h" #ifdef HAVE_CHARSET #include "src/charsets.h" #endif /* globals: */ /* search and replace: */ int replace_scanf = 0; int replace_regexp = 0; int replace_all = 0; int replace_prompt = 1; int replace_whole = 0; int replace_case = 0; int replace_backwards = 0; int search_create_bookmark = 0; /* queries on a save */ int edit_confirm_save = 1; #define NUM_REPL_ARGS 64 #define MAX_REPL_LEN 1024 static inline int my_lower_case (int c) { return tolower(c & 0xFF); } char *strcasechr (const unsigned char *s, int c) { for (c = my_lower_case (c); my_lower_case ((int) *s) != c; ++s) if (*s == '\0') return 0; return (char *) s; } #ifndef HAVE_MEMMOVE /* for Christophe */ static void *memmove (void *dest, const void *src, size_t n) { char *t, *s; if (dest <= src) { t = (char *) dest; s = (char *) src; while (n--) *t++ = *s++; } else { t = (char *) dest + n; s = (char *) src + n; while (n--) *--t = *--s; } return dest; } #endif /* !HAVE_MEMMOVE */ /* #define itoa MY_itoa <---- this line is now in edit.h */ char *itoa (int i) { static char t[14]; char *s = t + 13; int j = i; *s-- = 0; do { *s-- = i % 10 + '0'; } while ((i = i / 10)); if (j < 0) *s-- = '-'; return ++s; } /* Temporary strings */ static char *stacked[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; /* This joins strings end on end and allocates memory for the result. The result is later automatically free'd and must not be free'd by the caller. */ char *catstrs (const char *first,...) { static int i = 0; va_list ap; int len; char *data; if (!first) return 0; len = strlen (first); va_start (ap, first); while ((data = va_arg (ap, char *)) != 0) len += strlen (data); len++; i = (i + 1) % 16; g_free (stacked[i]); stacked[i] = g_malloc (len); va_end (ap); va_start (ap, first); strcpy (stacked[i], first); while ((data = va_arg (ap, char *)) != 0) strcat (stacked[i], data); va_end (ap); return stacked[i]; } /* Free temporary strings */ void freestrs(void) { int i; for (i = 0; i < sizeof(stacked) / sizeof(stacked[0]); i++) { g_free (stacked[i]); stacked[i] = NULL; } } void edit_help_cmd (WEdit * edit) { interactive_display (NULL, "[Internal File Editor]"); edit->force |= REDRAW_COMPLETELY; } void edit_refresh_cmd (WEdit * edit) { #ifndef HAVE_SLANG clr_scr(); do_refresh(); #else { int color; edit_get_syntax_color (edit, -1, &color); } touchwin(stdscr); #endif /* !HAVE_SLANG */ mc_refresh(); doupdate(); } /* "Oleg Yu. Repin" added backup filenames ...thanks -paul */ /* If 0 (quick save) then a) create/truncate file, b) save to ; if 1 (safe save) then a) save to , b) rename to ; if 2 (do backups) then a) save to , b) rename to , c) rename to . */ /* returns 0 on error */ int edit_save_file (WEdit * edit, const char *filename) { char *p; long filelen = 0; char *savename = 0; int this_save_mode, fd; if (!filename) return 0; if (!*filename) return 0; if ((fd = mc_open (filename, O_WRONLY | O_BINARY)) == -1) { /* * The file does not exists yet, so no safe save or * backup are necessary. */ this_save_mode = 0; } else { mc_close (fd); this_save_mode = option_save_mode; } if (this_save_mode > 0) { char *savedir, *slashpos, *saveprefix; slashpos = strrchr (filename, PATH_SEP); if (slashpos) { savedir = (char *) strdup (filename); savedir[slashpos - filename + 1] = '\0'; } else savedir = (char *) strdup ("."); saveprefix = concat_dir_and_file (savedir, "cooledit"); free (savedir); fd = mc_mkstemps(&savename, saveprefix, NULL); g_free (saveprefix); if (!savename) return 0; /* FIXME: * Close for now because mc_mkstemps use pure open system call * to create temporary file and it needs to be reopened by * VFS-aware mc_open(). */ close (fd); } else savename = g_strdup (filename); mc_chmod (savename, edit->stat1.st_mode); mc_chown (savename, edit->stat1.st_uid, edit->stat1.st_gid); if ((fd = mc_open (savename, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY , edit->stat1.st_mode)) == -1) goto error_save; /* pipe save */ if ((p = (char *) edit_get_write_filter (savename, filename))) { FILE *file; mc_close (fd); file = (FILE *) popen (p, "w"); if (file) { filelen = edit_write_stream (edit, file); #if 1 pclose (file); #else if (pclose (file) != 0) { edit_error_dialog (_ (" Error "), catstrs (_ (" Error writing to pipe: "), p, " ", 0)); free (p); goto error_save; } #endif } else { edit_error_dialog (_ (" Error "), get_sys_error (catstrs (_ (" Failed trying to open pipe for writing: "), p, " ", 0))); free (p); goto error_save; } free (p); } else { long buf; buf = 0; filelen = edit->last_byte; while (buf <= (edit->curs1 >> S_EDIT_BUF_SIZE) - 1) { if (mc_write (fd, (char *) edit->buffers1[buf], EDIT_BUF_SIZE) != EDIT_BUF_SIZE) { mc_close (fd); goto error_save; } buf++; } if (mc_write (fd, (char *) edit->buffers1[buf], edit->curs1 & M_EDIT_BUF_SIZE) != (edit->curs1 & M_EDIT_BUF_SIZE)) { filelen = -1; } else if (edit->curs2) { edit->curs2--; buf = (edit->curs2 >> S_EDIT_BUF_SIZE); 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)) { filelen = -1; } else { while (--buf >= 0) { if (mc_write (fd, (char *) edit->buffers2[buf], EDIT_BUF_SIZE) != EDIT_BUF_SIZE) { filelen = -1; break; } } } edit->curs2++; } if (mc_close (fd)) goto error_save; } if (filelen != edit->last_byte) goto error_save; if (this_save_mode == 2) if (mc_rename (filename, catstrs (filename, option_backup_ext, 0)) == -1) goto error_save; if (this_save_mode > 0) if (mc_rename (savename, filename) == -1) goto error_save; if (savename) g_free (savename); return 1; error_save: if (savename) g_free (savename); return 0; } /* I changed this from Oleg's original routine so that option_backup_ext works with coolwidgets as well. This does mean there is a memory leak - paul. */ void menu_save_mode_cmd (void) { #define DLG_X 38 #define DLG_Y 10 static char *str_result; static int save_mode_new; static char *str[] = { N_("Quick save "), N_("Safe save "), N_("Do backups -->")}; static QuickWidget widgets[] = { {quick_button, 18, DLG_X, 7, DLG_Y, N_("&Cancel"), 0, B_CANCEL, 0, 0, "c"}, {quick_button, 6, DLG_X, 7, DLG_Y, N_("&Ok"), 0, B_ENTER, 0, 0, "o"}, {quick_input, 23, DLG_X, 5, DLG_Y, 0, 9, 0, 0, &str_result, "edit-backup-ext"}, {quick_label, 22, DLG_X, 4, DLG_Y, N_("Extension:"), 0, 0, 0, 0, "savemext"}, {quick_radio, 4, DLG_X, 3, DLG_Y, "", 3, 0, &save_mode_new, str, "t"}, {0}}; static QuickDialog dialog = {DLG_X, DLG_Y, -1, -1, N_(" Edit Save Mode "), "[Edit Save Mode]", widgets}; static int i18n_flag = 0; if (!i18n_flag) { int i; int maxlen = 0; int dlg_x; int l1; /* Ok/Cancel buttons */ l1 = strlen (_(widgets[0].text)) + strlen (_(widgets[1].text)) + 5; maxlen = max (maxlen, l1); for (i = 0; i < 3; i++ ) { str[i] = _(str[i]); maxlen = max (maxlen, strlen (str[i]) + 7); } i18n_flag = 1; dlg_x = maxlen + strlen (_(widgets[3].text)) + 5 + 1; widgets[2].hotkey_pos = strlen (_(widgets[3].text)); /* input field length */ dlg_x = min (COLS, dlg_x); dialog.xlen = dlg_x; i = (dlg_x - l1)/3; widgets[1].relative_x = i; widgets[0].relative_x = i + strlen (_(widgets[1].text)) + i + 4; widgets[2].relative_x = widgets[3].relative_x = maxlen + 2; for (i = 0; i < sizeof (widgets)/sizeof (widgets[0]); i++) widgets[i].x_divisions = dlg_x; } widgets[2].text = option_backup_ext; widgets[4].value = option_save_mode; if (quick_dialog (&dialog) != B_ENTER) return; option_save_mode = save_mode_new; option_backup_ext = str_result; /* this is a memory leak */ option_backup_ext_int = 0; str_result[min (strlen (str_result), sizeof (int))] = '\0'; memcpy ((char *) &option_backup_ext_int, str_result, strlen (option_backup_ext)); } void edit_split_filename (WEdit * edit, const char *f) { if (edit->filename) free (edit->filename); edit->filename = (char *) strdup (f); if (edit->dir) free (edit->dir); edit->dir = (char *) strdup (""); } /* Here we want to warn the users of overwriting an existing file, but only if they have made a change to the filename */ /* returns 1 on success */ int edit_save_as_cmd (WEdit * edit) { /* This heads the 'Save As' dialog box */ char *exp = 0; int different_filename = 0; exp = edit_get_save_file (edit->dir, edit->filename, _(" Save As ")); edit_push_action (edit, KEY_PRESS + edit->start_display); if (exp) { if (!*exp) { g_free (exp); edit->force |= REDRAW_COMPLETELY; return 0; } else { if (strcmp(catstrs (edit->dir, edit->filename, 0), exp)) { int file; different_filename = 1; if ((file = mc_open ((char *) exp, O_RDONLY | O_BINARY)) != -1) { /* the file exists */ mc_close (file); if (edit_query_dialog2 (_(" Warning "), _(" A file already exists with this name. "), /* Push buttons to over-write the current file, or cancel the operation */ _("Overwrite"), _("Cancel"))) { edit->force |= REDRAW_COMPLETELY; g_free (exp); return 0; } } } if (edit_save_file (edit, exp)) { edit_split_filename (edit, exp); g_free (exp); edit->modified = 0; edit->delete_file = 0; if (different_filename && !edit->explicit_syntax) edit_load_syntax (edit, 0, 0); edit->force |= REDRAW_COMPLETELY; return 1; } else { g_free (exp); edit_error_dialog (_(" Save As "), get_sys_error (_(" Error trying to save file. "))); edit->force |= REDRAW_COMPLETELY; return 0; } } } edit->force |= REDRAW_COMPLETELY; return 0; } /* {{{ Macro stuff starts here */ int raw_callback (struct Dlg_head *h, int key, int Msg) { switch (Msg) { case DLG_KEY: h->running = 0; h->ret_value = key; return MSG_HANDLED; } return default_dlg_callback (h, key, Msg);; } /* gets a raw key from the keyboard. Passing cancel = 1 draws a cancel button thus allowing c-c etc. Alternatively, cancel = 0 will return the next key pressed. ctrl-a (=B_CANCEL), ctrl-g, ctrl-c, and Esc are cannot returned */ int edit_raw_key_query (char *heading, char *query, int cancel) { int w = strlen (query) + 7; struct Dlg_head *raw_dlg = create_dlg (0, 0, 7, w, dialog_colors, raw_callback, NULL, heading, DLG_CENTER | DLG_TRYUP | DLG_WANT_TAB); if (cancel) add_widget (raw_dlg, button_new (4, w / 2 - 5, B_CANCEL, NORMAL_BUTTON, _("Cancel"), 0, 0, 0)); add_widget (raw_dlg, label_new (3 - cancel, 2, query, 0)); add_widget (raw_dlg, input_new (3 - cancel, w - 5, INPUT_COLOR, 2, "", 0)); run_dlg (raw_dlg); w = raw_dlg->ret_value; destroy_dlg (raw_dlg); if (cancel) { if (w == XCTRL ('g') || w == XCTRL ('c') || w == ESC_CHAR || w == B_CANCEL) return 0; } return w; } /* creates a macro file if it doesn't exist */ static FILE *edit_open_macro_file (const char *r) { char *filename; int file; filename = catstrs (home_dir, MACRO_FILE, 0); if ((file = open (filename, O_CREAT | O_RDWR, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)) == -1) return 0; close (file); return fopen (filename, r); } #define MAX_MACROS 1024 static int saved_macro[MAX_MACROS + 1]; static int saved_macros_loaded = 0; /* This is just to stop the macro file be loaded over and over for keys that aren't defined to anything. On slow systems this could be annoying. */ int macro_exists (int k) { int i; for (i = 0; i < MAX_MACROS && saved_macro[i]; i++) if (saved_macro[i] == k) return i; return -1; } /* returns 1 on error */ int edit_delete_macro (WEdit * edit, int k) { struct macro macro[MAX_MACRO_LENGTH]; FILE *f, *g; int s, i, n, j = 0; if (saved_macros_loaded) if ((j = macro_exists (k)) < 0) return 0; g = fopen (catstrs (home_dir, TEMP_FILE, 0), "w"); if (!g) { /* This heads the delete macro error dialog box */ edit_error_dialog (_(" Delete macro "), /* 'Open' = load temp file */ get_sys_error (_(" Error trying to open temp file "))); return 1; } f = edit_open_macro_file ("r"); if (!f) { /* This heads the delete macro error dialog box */ edit_error_dialog (_(" Delete macro "), /* 'Open' = load temp file */ get_sys_error (_(" Error trying to open macro file "))); fclose (g); return 1; } for (;;) { n = fscanf (f, ("key '%d 0': "), &s); if (!n || n == EOF) break; n = 0; while (fscanf (f, "%hd %hd, ", ¯o[n].command, ¯o[n].ch)) n++; fscanf (f, ";\n"); if (s != k) { fprintf (g, ("key '%d 0': "), s); for (i = 0; i < n; i++) fprintf (g, "%hd %hd, ", macro[i].command, macro[i].ch); fprintf (g, ";\n"); } } fclose (f); fclose (g); if (rename (catstrs (home_dir, TEMP_FILE, 0), catstrs (home_dir, MACRO_FILE, 0)) == -1) { /* This heads the delete macro error dialog box */ edit_error_dialog (_(" Delete macro "), get_sys_error (_(" Error trying to overwrite macro file "))); return 1; } if (saved_macros_loaded) memmove (saved_macro + j, saved_macro + j + 1, sizeof (int) * (MAX_MACROS - j - 1)); return 0; } /* returns 0 on error */ int edit_save_macro_cmd (WEdit * edit, struct macro macro[], int n) { FILE *f; int s, i; edit_push_action (edit, KEY_PRESS + edit->start_display); /* This heads the 'Macro' dialog box */ s = edit_raw_key_query (_(" Macro "), /* Input line for a single key press follows the ':' */ _(" Press the macro's new hotkey: "), 1); edit->force |= REDRAW_COMPLETELY; if (s) { if (edit_delete_macro (edit, s)) return 0; f = edit_open_macro_file ("a+"); if (f) { fprintf (f, ("key '%d 0': "), s); for (i = 0; i < n; i++) fprintf (f, "%hd %hd, ", macro[i].command, macro[i].ch); fprintf (f, ";\n"); fclose (f); if (saved_macros_loaded) { for (i = 0; i < MAX_MACROS && saved_macro[i]; i++); saved_macro[i] = s; } return 1; } else /* This heads the 'Save Macro' dialog box */ edit_error_dialog (_(" Save macro "), get_sys_error (_(" Error trying to open macro file "))); } return 0; } void edit_delete_macro_cmd (WEdit * edit) { int command; command = edit_raw_key_query (_ (" Delete Macro "), _ (" Press macro hotkey: "), 1); if (!command) return; edit_delete_macro (edit, command); } /* return 0 on error */ int edit_load_macro_cmd (WEdit * edit, struct macro macro[], int *n, int k) { FILE *f; int s, i = 0, found = 0; if (saved_macros_loaded) if (macro_exists (k) < 0) return 0; if ((f = edit_open_macro_file ("r"))) { struct macro dummy; do { int u; u = fscanf (f, ("key '%d 0': "), &s); if (!u || u == EOF) break; if (!saved_macros_loaded) saved_macro[i++] = s; if (!found) { *n = 0; while (*n < MAX_MACRO_LENGTH && 2 == fscanf (f, "%hd %hd, ", ¯o[*n].command, ¯o[*n].ch)) (*n)++; } else { while (2 == fscanf (f, "%hd %hd, ", &dummy.command, &dummy.ch)); } fscanf (f, ";\n"); if (s == k) found = 1; } while (!found || !saved_macros_loaded); if (!saved_macros_loaded) { saved_macro[i] = 0; saved_macros_loaded = 1; } fclose (f); return found; } else /* This heads the 'Load Macro' dialog box */ edit_error_dialog (_(" Load macro "), get_sys_error (_(" Error trying to open macro file "))); return 0; } /* }}} Macro stuff starts here */ /* returns 1 on success */ int edit_save_confirm_cmd (WEdit * edit) { char *f; if (edit_confirm_save) { f = catstrs (_(" Confirm save file? : "), edit->filename, " ", 0); /* Buttons to 'Confirm save file' query */ if (edit_query_dialog2 (_(" Save file "), f, _("Save"), _("Cancel"))) return 0; } return edit_save_cmd (edit); } /* returns 1 on success */ int edit_save_cmd (WEdit * edit) { if (!edit_save_file (edit, catstrs (edit->dir, edit->filename, 0))) return edit_save_as_cmd (edit); edit->force |= REDRAW_COMPLETELY; edit->modified = 0; edit->delete_file = 0; return 1; } /* returns 1 on success */ int edit_new_cmd (WEdit * edit) { if (edit->modified) { if (edit_query_dialog2 (_ (" Warning "), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("Continue"), _ ("Cancel"))) { edit->force |= REDRAW_COMPLETELY; return 0; } } edit->force |= REDRAW_COMPLETELY; edit->modified = 0; return edit_renew (edit); /* if this gives an error, something has really screwed up */ } /* returns 1 on error */ int edit_load_file_from_filename (WEdit * edit, char *exp) { if (!edit_reload (edit, exp, 0, "", 0)) return 1; edit_split_filename (edit, exp); edit->modified = 0; return 0; } int edit_load_cmd (WEdit * edit) { char *exp; if (edit->modified) { if (edit_query_dialog2 (_ (" Warning "), _ (" Current text was modified without a file save. \n Continue discards these changes. "), _ ("Continue"), _ ("Cancel"))) { edit->force |= REDRAW_COMPLETELY; return 0; } } exp = edit_get_load_file (edit->dir, edit->filename, _ (" Load ")); if (exp) { if (*exp) edit_load_file_from_filename (edit, exp); g_free (exp); } edit->force |= REDRAW_COMPLETELY; return 0; } /* if mark2 is -1 then marking is from mark1 to the cursor. Otherwise its between the markers. This handles this. Returns 1 if no text is marked. */ int eval_marks (WEdit * edit, long *start_mark, long *end_mark) { if (edit->mark1 != edit->mark2) { if (edit->mark2 >= 0) { *start_mark = min (edit->mark1, edit->mark2); *end_mark = max (edit->mark1, edit->mark2); } else { *start_mark = min (edit->mark1, edit->curs1); *end_mark = max (edit->mark1, edit->curs1); edit->column2 = edit->curs_col; } return 0; } else { *start_mark = *end_mark = 0; edit->column2 = edit->column1 = 0; return 1; } } #define space_width 1 void edit_insert_column_of_text (WEdit * edit, unsigned char *data, int size, int width) { long cursor; int i, col; cursor = edit->curs1; col = edit_get_col (edit); for (i = 0; i < size; i++) { if (data[i] == '\n') { /* fill in and move to next line */ int l; long p; if (edit_get_byte (edit, edit->curs1) != '\n') { l = width - (edit_get_col (edit) - col); while (l > 0) { edit_insert (edit, ' '); l -= space_width; } } for (p = edit->curs1;; p++) { if (p == edit->last_byte) edit_insert_ahead (edit, '\n'); if (edit_get_byte (edit, p) == '\n') { p++; break; } } edit_cursor_move (edit, edit_move_forward3 (edit, p, col, 0) - edit->curs1); l = col - edit_get_col (edit); while (l >= space_width) { edit_insert (edit, ' '); l -= space_width; } continue; } edit_insert (edit, data[i]); } edit_cursor_move (edit, cursor - edit->curs1); } void edit_block_copy_cmd (WEdit * edit) { long start_mark, end_mark, current = edit->curs1; int size, x; unsigned char *copy_buf; edit_update_curs_col (edit); x = edit->curs_col; if (eval_marks (edit, &start_mark, &end_mark)) return; if (column_highlighting) if ((x >= edit->column1 && x < edit->column2) || (x > edit->column2 && x <= edit->column1)) return; copy_buf = edit_get_block (edit, start_mark, end_mark, &size); /* all that gets pushed are deletes hence little space is used on the stack */ edit_push_markers (edit); if (column_highlighting) { edit_insert_column_of_text (edit, copy_buf, size, abs (edit->column2 - edit->column1)); } else { while (size--) edit_insert_ahead (edit, copy_buf[size]); } free (copy_buf); edit_scroll_screen_over_cursor (edit); if (column_highlighting) { edit_set_markers (edit, 0, 0, 0, 0); edit_push_action (edit, COLUMN_ON); column_highlighting = 0; } else if (start_mark < current && end_mark > current) edit_set_markers (edit, start_mark, end_mark + end_mark - start_mark, 0, 0); edit->force |= REDRAW_PAGE; } void edit_block_move_cmd (WEdit * edit) { long count; long current; unsigned char *copy_buf; long start_mark, end_mark; int deleted = 0; int x = 0; if (eval_marks (edit, &start_mark, &end_mark)) return; if (column_highlighting) { edit_update_curs_col (edit); x = edit->curs_col; if (start_mark <= edit->curs1 && end_mark >= edit->curs1) if ((x > edit->column1 && x < edit->column2) || (x > edit->column2 && x < edit->column1)) return; } else if (start_mark <= edit->curs1 && end_mark >= edit->curs1) return; if ((end_mark - start_mark) > option_max_undo / 2) if (edit_query_dialog2 (_ (" Warning "), _ (" Block is large, you may not be able to undo this action. "), _ ("Continue"), _ ("Cancel"))) return; edit_push_markers (edit); current = edit->curs1; if (column_highlighting) { int size, c1, c2, line; line = edit->curs_line; if (edit->mark2 < 0) edit_mark_cmd (edit, 0); c1 = min (edit->column1, edit->column2); c2 = max (edit->column1, edit->column2); copy_buf = edit_get_block (edit, start_mark, end_mark, &size); if (x < c2) { edit_block_delete_cmd (edit); deleted = 1; } edit_move_to_line (edit, line); edit_cursor_move (edit, edit_move_forward3 (edit, edit_bol (edit, edit->curs1), x, 0) - edit->curs1); edit_insert_column_of_text (edit, copy_buf, size, c2 - c1); if (!deleted) { line = edit->curs_line; edit_update_curs_col (edit); x = edit->curs_col; edit_block_delete_cmd (edit); edit_move_to_line (edit, line); edit_cursor_move (edit, edit_move_forward3 (edit, edit_bol (edit, edit->curs1), x, 0) - edit->curs1); } edit_set_markers (edit, 0, 0, 0, 0); edit_push_action (edit, COLUMN_ON); column_highlighting = 0; } else { copy_buf = malloc (end_mark - start_mark); edit_cursor_move (edit, start_mark - edit->curs1); edit_scroll_screen_over_cursor (edit); count = start_mark; while (count < end_mark) { copy_buf[end_mark - count - 1] = edit_delete (edit); count++; } edit_scroll_screen_over_cursor (edit); edit_cursor_move (edit, current - edit->curs1 - (((current - edit->curs1) > 0) ? end_mark - start_mark : 0)); edit_scroll_screen_over_cursor (edit); while (count-- > start_mark) edit_insert_ahead (edit, copy_buf[end_mark - count - 1]); edit_set_markers (edit, edit->curs1, edit->curs1 + end_mark - start_mark, 0, 0); } edit_scroll_screen_over_cursor (edit); free (copy_buf); edit->force |= REDRAW_PAGE; } void edit_cursor_to_bol (WEdit * edit); void edit_delete_column_of_text (WEdit * edit) { long p, q, r, m1, m2; int b, c, d; int n; eval_marks (edit, &m1, &m2); n = edit_move_forward (edit, m1, 0, m2) + 1; c = edit_move_forward3 (edit, edit_bol (edit, m1), 0, m1); d = edit_move_forward3 (edit, edit_bol (edit, m2), 0, m2); b = min (c, d); c = max (c, d); while (n--) { r = edit_bol (edit, edit->curs1); p = edit_move_forward3 (edit, r, b, 0); q = edit_move_forward3 (edit, r, c, 0); if (p < m1) p = m1; if (q > m2) q = m2; edit_cursor_move (edit, p - edit->curs1); while (q > p) { /* delete line between margins */ if (edit_get_byte (edit, edit->curs1) != '\n') edit_delete (edit); q--; } if (n) /* move to next line except on the last delete */ edit_cursor_move (edit, edit_move_forward (edit, edit->curs1, 1, 0) - edit->curs1); } } /* if success return 0 */ int edit_block_delete (WEdit * edit) { long count; long start_mark, end_mark; if (eval_marks (edit, &start_mark, &end_mark)) return 0; if (column_highlighting && edit->mark2 < 0) edit_mark_cmd (edit, 0); if ((end_mark - start_mark) > option_max_undo / 2) /* Warning message with a query to continue or cancel the operation */ if (edit_query_dialog2 (_ (" Warning "), _ (" Block is large, you may not be able to undo this action. "), _ (" Continue "), _ (" Cancel "))) return 1; edit_push_markers (edit); edit_cursor_move (edit, start_mark - edit->curs1); edit_scroll_screen_over_cursor (edit); count = start_mark; if (start_mark < end_mark) { if (column_highlighting) { if (edit->mark2 < 0) edit_mark_cmd (edit, 0); edit_delete_column_of_text (edit); } else { while (count < end_mark) { edit_delete (edit); count++; } } } edit_set_markers (edit, 0, 0, 0, 0); edit->force |= REDRAW_PAGE; return 0; } /* returns 1 if canceelled by user */ int edit_block_delete_cmd (WEdit * edit) { long start_mark, end_mark; if (eval_marks (edit, &start_mark, &end_mark)) { edit_delete_line (edit); return 0; } return edit_block_delete (edit); } #define INPUT_INDEX 9 #define SEARCH_DLG_WIDTH 58 #define SEARCH_DLG_HEIGHT 10 #define REPLACE_DLG_WIDTH 58 #define REPLACE_DLG_HEIGHT 15 #define CONFIRM_DLG_WIDTH 79 #define CONFIRM_DLG_HEIGTH 6 #define B_REPLACE_ALL B_USER+1 #define B_REPLACE_ONE B_USER+2 #define B_SKIP_REPLACE B_USER+3 int edit_replace_prompt (WEdit * edit, char *replace_text, int xpos, int ypos) { QuickWidget quick_widgets[] = { {quick_button, 63, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Cancel"), 0, B_CANCEL, 0, 0, NULL}, {quick_button, 50, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("o&Ne"), 0, B_REPLACE_ONE, 0, 0, NULL}, {quick_button, 37, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("al&L"), 0, B_REPLACE_ALL, 0, 0, NULL}, {quick_button, 21, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Skip"), 0, B_SKIP_REPLACE, 0, 0, NULL}, {quick_button, 4, CONFIRM_DLG_WIDTH, 3, CONFIRM_DLG_HEIGTH, N_ ("&Replace"), 0, B_ENTER, 0, 0, NULL}, {quick_label, 2, CONFIRM_DLG_WIDTH, 2, CONFIRM_DLG_HEIGTH, 0, 0, 0, 0, 0, 0}, {0}}; #ifdef HAVE_CHARSET char *msg = _(" Replace with: "); quick_widgets[5].text = catstrs (msg, replace_text, 0); if (*replace_text) convert_to_display (quick_widgets[5].text + strlen (msg)); #else quick_widgets[5].text = catstrs (_ (" Replace with: "), replace_text, 0); #endif /* !HAVE_CHARSET */ { QuickDialog Quick_input = {CONFIRM_DLG_WIDTH, CONFIRM_DLG_HEIGTH, 0, 0, N_ (" Confirm replace "), "[Input Line Keys]", 0 /*quick_widgets */ }; Quick_input.widgets = quick_widgets; Quick_input.xpos = xpos; /* Sometimes menu can hide replaced text. I don't like it */ if ((edit->curs_row >= ypos - 1) && (edit->curs_row <= ypos + CONFIRM_DLG_HEIGTH - 1)) ypos -= CONFIRM_DLG_HEIGTH; Quick_input.ypos = ypos; return quick_dialog (&Quick_input); } } void edit_replace_dialog (WEdit * edit, char **search_text, char **replace_text, char **arg_order) { int treplace_scanf = replace_scanf; int treplace_regexp = replace_regexp; int treplace_all = replace_all; int treplace_prompt = replace_prompt; int treplace_backwards = replace_backwards; int treplace_whole = replace_whole; int treplace_case = replace_case; QuickWidget quick_widgets[] = { {quick_button, 6, 10, 12, REPLACE_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0, 0, NULL}, {quick_button, 2, 10, 12, REPLACE_DLG_HEIGHT, N_("&Ok"), 0, B_ENTER, 0, 0, NULL}, {quick_checkbox, 33, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("scanf &Expression"), 0, 0, 0, 0, NULL}, {quick_checkbox, 33, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("replace &All"), 0, 0, 0, 0, NULL}, {quick_checkbox, 33, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("pr&Ompt on replace"), 0, 0, 0, 0, NULL}, {quick_checkbox, 4, REPLACE_DLG_WIDTH, 11, REPLACE_DLG_HEIGHT, N_("&Backwards"), 0, 0, 0, 0, NULL}, {quick_checkbox, 4, REPLACE_DLG_WIDTH, 10, REPLACE_DLG_HEIGHT, N_("&Regular expression"), 0, 0, 0, 0, NULL}, {quick_checkbox, 4, REPLACE_DLG_WIDTH, 9, REPLACE_DLG_HEIGHT, N_("&Whole words only"), 0, 0, 0, 0, NULL}, {quick_checkbox, 4, REPLACE_DLG_WIDTH, 8, REPLACE_DLG_HEIGHT, N_("case &Sensitive"), 0, 0, 0, 0, NULL}, {quick_input, 3, REPLACE_DLG_WIDTH, 7, REPLACE_DLG_HEIGHT, "", 52, 0, 0, 0, "edit-argord"}, {quick_label, 2, REPLACE_DLG_WIDTH, 6, REPLACE_DLG_HEIGHT, N_(" Enter replacement argument order eg. 3,2,1,4 "), 0, 0, 0, 0, 0}, {quick_input, 3, REPLACE_DLG_WIDTH, 5, REPLACE_DLG_HEIGHT, "", 52, 0, 0, 0, "edit-replace"}, {quick_label, 2, REPLACE_DLG_WIDTH, 4, REPLACE_DLG_HEIGHT, N_(" Enter replacement string:"), 0, 0, 0, 0, 0}, {quick_input, 3, REPLACE_DLG_WIDTH, 3, REPLACE_DLG_HEIGHT, "", 52, 0, 0, 0, "edit-search"}, {quick_label, 2, REPLACE_DLG_WIDTH, 2, REPLACE_DLG_HEIGHT, N_(" Enter search string:"), 0, 0, 0, 0, 0}, {0}}; quick_widgets[2].result = &treplace_scanf; quick_widgets[3].result = &treplace_all; quick_widgets[4].result = &treplace_prompt; quick_widgets[5].result = &treplace_backwards; quick_widgets[6].result = &treplace_regexp; quick_widgets[7].result = &treplace_whole; quick_widgets[8].result = &treplace_case; quick_widgets[9].str_result = arg_order; quick_widgets[9].text = *arg_order; quick_widgets[11].str_result = replace_text; quick_widgets[11].text = *replace_text; quick_widgets[13].str_result = search_text; quick_widgets[13].text = *search_text; { QuickDialog Quick_input = {REPLACE_DLG_WIDTH, REPLACE_DLG_HEIGHT, -1, 0, N_(" Replace "), "[Input Line Keys]", 0 /*quick_widgets */ }; Quick_input.widgets = quick_widgets; if (quick_dialog (&Quick_input) != B_CANCEL) { replace_scanf = treplace_scanf; replace_backwards = treplace_backwards; replace_regexp = treplace_regexp; replace_all = treplace_all; replace_prompt = treplace_prompt; replace_whole = treplace_whole; replace_case = treplace_case; return; } else { *arg_order = NULL; *replace_text = NULL; *search_text = NULL; return; } } } void edit_search_dialog (WEdit * edit, char **search_text) { int treplace_scanf = replace_scanf; int treplace_regexp = replace_regexp; int treplace_whole = replace_whole; int treplace_case = replace_case; int treplace_backwards = replace_backwards; QuickWidget quick_widgets[] = { {quick_button, 6, 10, 7, SEARCH_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0, 0, NULL}, {quick_button, 2, 10, 7, SEARCH_DLG_HEIGHT, N_("&Ok"), 0, B_ENTER, 0, 0, NULL}, {quick_checkbox, 33, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("scanf &Expression"), 0, 0, 0, 0, NULL }, {quick_checkbox, 33, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("&Backwards"), 0, 0, 0, 0, NULL}, {quick_checkbox, 4, SEARCH_DLG_WIDTH, 6, SEARCH_DLG_HEIGHT, N_("&Regular expression"), 0, 0, 0, 0, NULL}, {quick_checkbox, 4, SEARCH_DLG_WIDTH, 5, SEARCH_DLG_HEIGHT, N_("&Whole words only"), 0, 0, 0, 0, NULL}, {quick_checkbox, 4, SEARCH_DLG_WIDTH, 4, SEARCH_DLG_HEIGHT, N_("case &Sensitive"), 0, 0, 0, 0, NULL}, {quick_input, 3, SEARCH_DLG_WIDTH, 3, SEARCH_DLG_HEIGHT, "", 52, 0, 0, 0, "edit-search"}, {quick_label, 2, SEARCH_DLG_WIDTH, 2, SEARCH_DLG_HEIGHT, N_(" Enter search string:"), 0, 0, 0, 0, 0}, {0}}; quick_widgets[2].result = &treplace_scanf; quick_widgets[3].result = &treplace_backwards; quick_widgets[4].result = &treplace_regexp; quick_widgets[5].result = &treplace_whole; quick_widgets[6].result = &treplace_case; quick_widgets[7].str_result = search_text; quick_widgets[7].text = *search_text; { QuickDialog Quick_input = {SEARCH_DLG_WIDTH, SEARCH_DLG_HEIGHT, -1, 0, N_(" Search "), "[Input Line Keys]", 0 /*quick_widgets */ }; Quick_input.widgets = quick_widgets; if (quick_dialog (&Quick_input) != B_CANCEL) { replace_scanf = treplace_scanf; replace_backwards = treplace_backwards; replace_regexp = treplace_regexp; replace_whole = treplace_whole; replace_case = treplace_case; } else { *search_text = NULL; } } } static long sargs[NUM_REPL_ARGS][256 / sizeof (long)]; #define SCANF_ARGS sargs[0], sargs[1], sargs[2], sargs[3], \ sargs[4], sargs[5], sargs[6], sargs[7], \ sargs[8], sargs[9], sargs[10], sargs[11], \ sargs[12], sargs[13], sargs[14], sargs[15] #define PRINTF_ARGS sargs[argord[0]], sargs[argord[1]], sargs[argord[2]], sargs[argord[3]], \ sargs[argord[4]], sargs[argord[5]], sargs[argord[6]], sargs[argord[7]], \ sargs[argord[8]], sargs[argord[9]], sargs[argord[10]], sargs[argord[11]], \ sargs[argord[12]], sargs[argord[13]], sargs[argord[14]], sargs[argord[15]] /* This function is a modification of mc-3.2.10/src/view.c:regexp_view_search() */ /* returns -3 on error in pattern, -1 on not found, found_len = 0 if either */ int string_regexp_search (char *pattern, char *string, int len, int match_type, int match_bol, int icase, int *found_len, void *d) { static regex_t r; static char *old_pattern = NULL; static int old_type, old_icase; regmatch_t *pmatch; static regmatch_t s[1]; pmatch = (regmatch_t *) d; if (!pmatch) pmatch = s; if (!old_pattern || strcmp (old_pattern, pattern) || old_type != match_type || old_icase != icase) { if (old_pattern) { regfree (&r); free (old_pattern); old_pattern = 0; } if (regcomp (&r, pattern, REG_EXTENDED | (icase ? REG_ICASE : 0))) { *found_len = 0; return -3; } old_pattern = (char *) strdup (pattern); old_type = match_type; old_icase = icase; } if (regexec (&r, string, d ? NUM_REPL_ARGS : 1, pmatch, ((match_bol || match_type != match_normal) ? 0 : REG_NOTBOL)) != 0) { *found_len = 0; return -1; } *found_len = pmatch[0].rm_eo - pmatch[0].rm_so; return (pmatch[0].rm_so); } /* thanks to Liviu Daia for getting this (and the above) routines to work properly - paul */ 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) { long p, q = 0; long l = strlen ((char *) exp), f = 0; int n = 0; for (p = 0; p < l; p++) /* count conversions... */ if (exp[p] == '%') if (exp[++p] != '%') /* ...except for "%%" */ n++; if (replace_scanf || replace_regexp) { int c; unsigned char *buf; unsigned char mbuf[MAX_REPL_LEN * 2 + 3]; replace_scanf = (!replace_regexp); /* can't have both */ buf = mbuf; if (replace_scanf) { unsigned char e[MAX_REPL_LEN]; if (n >= NUM_REPL_ARGS) return -3; if (replace_case) { for (p = start; p < last_byte && p < start + MAX_REPL_LEN; p++) buf[p - start] = (*get_byte) (data, p); } else { for (p = 0; exp[p] != 0; p++) exp[p] = my_lower_case (exp[p]); for (p = start; p < last_byte && p < start + MAX_REPL_LEN; p++) { c = (*get_byte) (data, p); buf[p - start] = my_lower_case (c); } } buf[(q = p - start)] = 0; strcpy ((char *) e, (char *) exp); strcat ((char *) e, "%n"); exp = e; while (q) { *((int *) sargs[n]) = 0; /* --> here was the problem - now fixed: good */ if (n == sscanf ((char *) buf, (char *) exp, SCANF_ARGS)) { if (*((int *) sargs[n])) { *len = *((int *) sargs[n]); return start; } } if (once_only) return -2; if (q + start < last_byte) { if (replace_case) { buf[q] = (*get_byte) (data, q + start); } else { c = (*get_byte) (data, q + start); buf[q] = my_lower_case (c); } q++; } buf[q] = 0; start++; buf++; /* move the window along */ if (buf == mbuf + MAX_REPL_LEN) { /* the window is about to go past the end of array, so... */ memmove (mbuf, buf, strlen ((char *) buf) + 1); /* reset it */ buf = mbuf; } q--; } } else { /* regexp matching */ long offset = 0; int found_start, match_bol, move_win = 0; while (start + offset < last_byte) { match_bol = (offset == 0 || (*get_byte) (data, start + offset - 1) == '\n'); if (!move_win) { p = start + offset; q = 0; } for (; p < last_byte && q < MAX_REPL_LEN; p++, q++) { mbuf[q] = (*get_byte) (data, p); if (mbuf[q] == '\n') break; } q++; offset += q; mbuf[q] = 0; buf = mbuf; while (q) { found_start = string_regexp_search ((char *) exp, (char *) buf, q, match_normal, match_bol, !replace_case, len, d); if (found_start <= -2) { /* regcomp/regexec error */ *len = 0; return -3; } else if (found_start == -1) /* not found: try next line */ break; else if (*len == 0) { /* null pattern: try again at next character */ q--; buf++; match_bol = 0; continue; } else /* found */ return (start + offset - q + found_start); } if (once_only) return -2; if (buf[q - 1] != '\n') { /* incomplete line: try to recover */ buf = mbuf + MAX_REPL_LEN / 2; q = strlen ((char *) buf); memmove (mbuf, buf, q); p = start + q; move_win = 1; } else move_win = 0; } } } else { *len = strlen ((char *) exp); if (replace_case) { for (p = start; p <= last_byte - l; p++) { if ((*get_byte) (data, p) == (unsigned char)exp[0]) { /* check if first char matches */ for (f = 0, q = 0; q < l && f < 1; q++) if ((*get_byte) (data, q + p) != (unsigned char)exp[q]) f = 1; if (f == 0) return p; } if (once_only) return -2; } } else { for (p = 0; exp[p] != 0; p++) exp[p] = my_lower_case (exp[p]); for (p = start; p <= last_byte - l; p++) { if (my_lower_case ((*get_byte) (data, p)) == (unsigned char)exp[0]) { for (f = 0, q = 0; q < l && f < 1; q++) if (my_lower_case ((*get_byte) (data, q + p)) != (unsigned char)exp[q]) f = 1; if (f == 0) return p; } if (once_only) return -2; } } } return -2; } 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) { /*front end to find_string to check for whole words */ long p; p = search_start; while ((p = edit_find_string (p, exp, len, last_byte, get_byte, data, once_only, d)) >= 0) { if (replace_whole) { /*If the bordering chars are not in option_whole_chars_search then word is whole */ if (!strcasechr (option_whole_chars_search, (*get_byte) (data, p - 1)) && !strcasechr (option_whole_chars_search, (*get_byte) (data, p + *len))) return p; if (once_only) return -2; } else return p; if (once_only) break; p++; /*not a whole word so continue search. */ } return p; } long edit_find (long search_start, unsigned char *exp, int *len, long last_byte, int (*get_byte) (void *, long), void *data, void *d) { long p; if (replace_backwards) { while (search_start >= 0) { p = edit_find_forwards (search_start, exp, len, last_byte, get_byte, data, 1, d); if (p == search_start) return p; search_start--; } } else { return edit_find_forwards (search_start, exp, len, last_byte, get_byte, data, 0, d); } return -2; } #define is_digit(x) ((x) >= '0' && (x) <= '9') #define snprintf(v) { \ *p1++ = *p++; \ *p1++ = '%'; \ *p1++ = 'n'; \ *p1 = '\0'; \ sprintf(s,q1,v,&n); \ s += n; \ } /* this function uses the sprintf command to do a vprintf */ /* it takes pointers to arguments instead of the arguments themselves */ static int sprintf_p (char *str, const char *fmt,...) __attribute__ ((format (printf, 2, 3))); static int sprintf_p (char *str, const char *fmt,...) { va_list ap; int n; char *q, *p, *s = str; char q1[32]; char *p1; va_start (ap, fmt); p = q = (char *) fmt; while ((p = strchr (p, '%'))) { n = p - q; strncpy (s, q, n); /* copy stuff between format specifiers */ s += n; *s = 0; q = p; p1 = q1; *p1++ = *p++; if (*p == '%') { p++; *s++ = '%'; q = p; continue; } if (*p == 'n') { p++; /* do nothing */ q = p; continue; } if (*p == '#') *p1++ = *p++; if (*p == '0') *p1++ = *p++; if (*p == '-') *p1++ = *p++; if (*p == '+') *p1++ = *p++; if (*p == '*') { p++; strcpy (p1, itoa (*va_arg (ap, int *))); /* replace field width with a number */ p1 += strlen (p1); } else { while (is_digit (*p)) *p1++ = *p++; } if (*p == '.') *p1++ = *p++; if (*p == '*') { p++; strcpy (p1, itoa (*va_arg (ap, int *))); /* replace precision with a number */ p1 += strlen (p1); } else { while (is_digit (*p)) *p1++ = *p++; } /* flags done, now get argument */ if (*p == 's') { snprintf (va_arg (ap, char *)); } else if (*p == 'h') { if (strchr ("diouxX", *p)) snprintf (*va_arg (ap, short *)); } else if (*p == 'l') { *p1++ = *p++; if (strchr ("diouxX", *p)) snprintf (*va_arg (ap, long *)); } else if (strchr ("cdiouxX", *p)) { snprintf (*va_arg (ap, int *)); } else if (*p == 'L') { *p1++ = *p++; if (strchr ("EefgG", *p)) snprintf (*va_arg (ap, double *)); /* should be long double */ } else if (strchr ("EefgG", *p)) { snprintf (*va_arg (ap, double *)); } else if (strchr ("DOU", *p)) { snprintf (*va_arg (ap, long *)); } else if (*p == 'p') { snprintf (*va_arg (ap, void **)); } q = p; } va_end (ap); sprintf (s, q); /* print trailing leftover */ return s - str + strlen (s); } static void regexp_error (WEdit *edit) { /* "Error: Syntax error in regular expression, or scanf expression contained too many %'s */ edit_error_dialog (_(" Error "), _(" Invalid regular expression, or scanf expression with to many conversions ")); } /* call with edit = 0 before shutdown to close memory leaks */ void edit_replace_cmd (WEdit * edit, int again) { static regmatch_t pmatch[NUM_REPL_ARGS]; static char *old1 = NULL; static char *old2 = NULL; static char *old3 = NULL; char *exp1 = ""; char *exp2 = ""; char *exp3 = ""; int replace_yes; int replace_continue; int treplace_prompt = 0; int i = 0; long times_replaced = 0, last_search; int argord[NUM_REPL_ARGS]; if (!edit) { if (old1) { g_free (old1); old1 = 0; } if (old2) { g_free (old2); old2 = 0; } if (old3) { g_free (old3); old3 = 0; } return; } last_search = edit->last_byte; edit->force |= REDRAW_COMPLETELY; exp1 = old1 ? old1 : exp1; exp2 = old2 ? old2 : exp2; exp3 = old3 ? old3 : exp3; if (again) { if (!old1 || !old2) return; exp1 = g_strdup (old1); exp2 = g_strdup (old2); exp3 = g_strdup (old3); } else { edit_push_action (edit, KEY_PRESS + edit->start_display); #ifdef HAVE_CHARSET if (exp1 && *exp1) convert_to_display (exp1); if (exp2 && *exp2) convert_to_display (exp2); #endif /* HAVE_CHARSET */ edit_replace_dialog (edit, &exp1, &exp2, &exp3); #ifdef HAVE_CHARSET if (exp1 && *exp1) convert_from_input (exp1); if (exp2 && *exp2) convert_from_input (exp2); #endif /* HAVE_CHARSET */ treplace_prompt = replace_prompt; } if (!exp1 || !*exp1) { edit->force = REDRAW_COMPLETELY; if (exp1) g_free (exp1); if (exp2) g_free (exp2); if (exp3) g_free (exp3); return; } if (old1) g_free (old1); if (old2) g_free (old2); if (old3) g_free (old3); old1 = g_strdup (exp1); old2 = g_strdup (exp2); old3 = g_strdup (exp3); { char *s; int ord; while ((s = strchr (exp3, ' '))) memmove (s, s + 1, strlen (s)); s = exp3; for (i = 0; i < NUM_REPL_ARGS; i++) { if (s != (char *)1 && *s) { ord = atoi (s); if ((ord > 0) && (ord < NUM_REPL_ARGS)) argord[i] = ord - 1; else argord[i] = i; s = strchr (s, ',') + 1; } else argord[i] = i; } } replace_continue = replace_all; if (edit->found_len && edit->search_start == edit->found_start + 1 && replace_backwards) edit->search_start--; if (edit->found_len && edit->search_start == edit->found_start - 1 && !replace_backwards) edit->search_start++; do { int len = 0; long new_start; new_start = edit_find (edit->search_start, (unsigned char *) exp1, &len, last_search, (int (*)(void *, long)) edit_get_byte, (void *) edit, pmatch); if (new_start == -3) { regexp_error (edit); break; } edit->search_start = new_start; /*returns negative on not found or error in pattern */ if (edit->search_start >= 0) { edit->found_start = edit->search_start; i = edit->found_len = len; edit_cursor_move (edit, edit->search_start - edit->curs1); edit_scroll_screen_over_cursor (edit); replace_yes = 1; if (treplace_prompt) { int l; l = edit->curs_row - edit->num_widget_lines / 3; if (l > 0) edit_scroll_downward (edit, l); if (l < 0) edit_scroll_upward (edit, -l); edit_scroll_screen_over_cursor (edit); edit->force |= REDRAW_PAGE; edit_render_keypress (edit); /*so that undo stops at each query */ edit_push_key_press (edit); switch (edit_replace_prompt (edit, exp2, /* and prompt 2/3 down */ (edit->num_widget_columns - CONFIRM_DLG_WIDTH)/2, edit->num_widget_lines * 2 / 3)) { case B_ENTER: break; case B_SKIP_REPLACE: replace_yes = 0; break; case B_REPLACE_ALL: treplace_prompt = 0; replace_continue = 1; break; case B_REPLACE_ONE: replace_continue = 0; break; case B_CANCEL: replace_yes = 0; replace_continue = 0; break; } } if (replace_yes) { /* delete then insert new */ if (replace_scanf || replace_regexp) { char repl_str[MAX_REPL_LEN + 2]; if (replace_regexp) { /* we need to fill in sargs just like with scanf */ int k, j; for (k = 1; k < NUM_REPL_ARGS && pmatch[k].rm_eo >= 0; k++) { unsigned char *t; t = (unsigned char *) &sargs[k - 1][0]; for (j = 0; j < pmatch[k].rm_eo - pmatch[k].rm_so && j < 255; j++, t++) *t = (unsigned char) edit_get_byte (edit, edit->search_start - pmatch[0].rm_so + pmatch[k].rm_so + j); *t = '\0'; } for (; k <= NUM_REPL_ARGS; k++) sargs[k - 1][0] = 0; } if (sprintf_p (repl_str, exp2, PRINTF_ARGS) >= 0) { times_replaced++; while (i--) edit_delete (edit); while (repl_str[++i]) edit_insert (edit, repl_str[i]); } else { edit_error_dialog (_ (" Replace "), /* "Invalid regexp string or scanf string" */ _ (" Error in replacement format string. ")); replace_continue = 0; } } else { times_replaced++; while (i--) edit_delete (edit); while (exp2[++i]) edit_insert (edit, exp2[i]); } edit->found_len = i; } /* so that we don't find the same string again */ if (replace_backwards) { last_search = edit->search_start; edit->search_start--; } else { edit->search_start += i; last_search = edit->last_byte; } edit_scroll_screen_over_cursor (edit); } else { edit->search_start = edit->curs1; /* try and find from right here for next search */ edit_update_curs_col (edit); edit->force |= REDRAW_PAGE; edit_render_keypress (edit); if (times_replaced) { message (0, _(" Replace "), _(" %ld replacements made. "), times_replaced); } else edit_message_dialog (_ (" Replace "), _ (" Search string not found ")); replace_continue = 0; } } while (replace_continue); g_free (exp1); g_free (exp2); g_free (exp3); edit->force = REDRAW_COMPLETELY; edit_scroll_screen_over_cursor (edit); } void edit_search_cmd (WEdit * edit, int again) { static char *old = NULL; char *exp = ""; if (!edit) { if (old) { g_free (old); old = 0; } return; } exp = old ? old : exp; if (again) { /*ctrl-hotkey for search again. */ if (!old) return; exp = (char *) g_strdup (old); } else { #ifdef HAVE_CHARSET if (exp && *exp) convert_to_display (exp); #endif /* HAVE_CHARSET */ edit_search_dialog (edit, &exp); #ifdef HAVE_CHARSET if (exp && *exp) convert_from_input (exp); #endif /* HAVE_CHARSET */ edit_push_action (edit, KEY_PRESS + edit->start_display); } if (exp) { if (*exp) { int len = 0; if (old) g_free (old); old = (char *) g_strdup (exp); if (search_create_bookmark) { int found = 0, books = 0; int l = 0, l_last = -1; long p, q = 0; for (;;) { p = edit_find (q, (unsigned char *) exp, &len, edit->last_byte, (int (*)(void *, long)) edit_get_byte, (void *) edit, 0); if (p < 0) break; found++; l += edit_count_lines (edit, q, p); if (l != l_last) { book_mark_insert (edit, l, BOOK_MARK_FOUND_COLOR); books++; } l_last = l; q = p + 1; } if (found) { /* in response to number of bookmarks added because of string being found %d times */ message (0, _(" Search "), _(" %d finds made, %d bookmarks added "), found, books); } else { edit_error_dialog (_ (" Search "), _ (" Search string not found ")); } } else { if (edit->found_len && edit->search_start == edit->found_start + 1 && replace_backwards) edit->search_start--; if (edit->found_len && edit->search_start == edit->found_start - 1 && !replace_backwards) edit->search_start++; edit->search_start = edit_find (edit->search_start, (unsigned char *) exp, &len, edit->last_byte, (int (*)(void *, long)) edit_get_byte, (void *) edit, 0); if (edit->search_start >= 0) { edit->found_start = edit->search_start; edit->found_len = len; edit_cursor_move (edit, edit->search_start - edit->curs1); edit_scroll_screen_over_cursor (edit); if (replace_backwards) edit->search_start--; else edit->search_start++; } else if (edit->search_start == -3) { edit->search_start = edit->curs1; regexp_error (edit); } else { edit->search_start = edit->curs1; edit_error_dialog (_ (" Search "), _ (" Search string not found ")); } } } g_free (exp); } edit->force |= REDRAW_COMPLETELY; edit_scroll_screen_over_cursor (edit); } /* Real edit only */ void edit_quit_cmd (WEdit * edit) { edit_push_action (edit, KEY_PRESS + edit->start_display); edit->force |= REDRAW_COMPLETELY; if (edit->modified) { switch (edit_query_dialog3 (_ (" Quit "), _ (" File was modified, Save with exit? "), _ ("Cancel quit"), _ ("&Yes"), _ ("&No"))) { case 1: edit_push_markers (edit); edit_set_markers (edit, 0, 0, 0, 0); if (!edit_save_cmd (edit)) return; break; case 2: if (edit->delete_file) unlink (catstrs (edit->dir, edit->filename, 0)); break; case 0: case -1: return; } } else if (edit->delete_file) unlink (catstrs (edit->dir, edit->filename, 0)); dlg_stop (edit->widget.parent); } #define TEMP_BUF_LEN 1024 /* returns a null terminated length of text. Result must be free'd */ unsigned char *edit_get_block (WEdit * edit, long start, long finish, int *l) { unsigned char *s, *r; r = s = malloc (finish - start + 1); if (column_highlighting) { *l = 0; while (start < finish) { /* copy from buffer, excluding chars that are out of the column 'margins' */ int c, x; x = edit_move_forward3 (edit, edit_bol (edit, start), 0, start); c = edit_get_byte (edit, start); if ((x >= edit->column1 && x < edit->column2) || (x >= edit->column2 && x < edit->column1) || c == '\n') { *s++ = c; (*l)++; } start++; } } else { *l = finish - start; while (start < finish) *s++ = edit_get_byte (edit, start++); } *s = 0; return r; } /* save block, returns 1 on success */ int edit_save_block (WEdit * edit, const char *filename, long start, long finish) { int len, file; if ((file = mc_open ((char *) filename, O_CREAT | O_WRONLY | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH | O_BINARY)) == -1) return 0; if (column_highlighting) { unsigned char *block, *p; int r; p = block = edit_get_block (edit, start, finish, &len); while (len) { r = mc_write (file, p, len); if (r < 0) break; p += r; len -= r; } free (block); } else { unsigned char *buf; int i = start, end; len = finish - start; buf = malloc (TEMP_BUF_LEN); while (start != finish) { end = min (finish, start + TEMP_BUF_LEN); for (; i < end; i++) buf[i - start] = edit_get_byte (edit, i); len -= mc_write (file, (char *) buf, end - start); start = end; } free (buf); } mc_close (file); if (len) return 0; return 1; } /* copies a block to clipboard file */ static int edit_save_block_to_clip_file (WEdit * edit, long start, long finish) { return edit_save_block (edit, catstrs (home_dir, CLIP_FILE, 0), start, finish); } void edit_paste_from_history (WEdit *edit) { } int edit_copy_to_X_buf_cmd (WEdit * edit) { long start_mark, end_mark; if (eval_marks (edit, &start_mark, &end_mark)) return 0; if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) { edit_error_dialog (_(" Copy to clipboard "), get_sys_error (_(" Unable to save to file. "))); return 1; } edit_mark_cmd (edit, 1); return 0; } int edit_cut_to_X_buf_cmd (WEdit * edit) { long start_mark, end_mark; if (eval_marks (edit, &start_mark, &end_mark)) return 0; if (!edit_save_block_to_clip_file (edit, start_mark, end_mark)) { edit_error_dialog (_(" Cut to clipboard "), _(" Unable to save to file. ")); return 1; } edit_block_delete_cmd (edit); edit_mark_cmd (edit, 1); return 0; } void edit_paste_from_X_buf_cmd (WEdit * edit) { edit_insert_file (edit, catstrs (home_dir, CLIP_FILE, 0)); } void edit_goto_cmd (WEdit *edit) { char *f; static int l = 0; char s[12]; sprintf (s, "%d", l); f = input_dialog (_(" Goto line "), _(" Enter line: "), l ? s : ""); if (f) { if (*f) { l = atoi (f); edit_move_display (edit, l - edit->num_widget_lines / 2 - 1); edit_move_to_line (edit, l - 1); edit->force |= REDRAW_COMPLETELY; } g_free (f); } } /*returns 1 on success */ int edit_save_block_cmd (WEdit * edit) { long start_mark, end_mark; char *exp; if (eval_marks (edit, &start_mark, &end_mark)) return 1; exp = edit_get_save_file (edit->dir, catstrs (home_dir, CLIP_FILE, 0), _ (" Save Block ")); edit_push_action (edit, KEY_PRESS + edit->start_display); if (exp) { if (!*exp) { g_free (exp); return 0; } else { if (edit_save_block (edit, exp, start_mark, end_mark)) { g_free (exp); edit->force |= REDRAW_COMPLETELY; return 1; } else { g_free (exp); edit_error_dialog (_ (" Save Block "), get_sys_error (_ (" Error trying to save file. "))); } } } edit->force |= REDRAW_COMPLETELY; return 0; } /* returns 1 on success */ int edit_insert_file_cmd (WEdit * edit) { char *exp = edit_get_load_file (edit->dir, catstrs (home_dir, CLIP_FILE, 0), _ (" Insert File ")); edit_push_action (edit, KEY_PRESS + edit->start_display); if (exp) { if (!*exp) { g_free (exp); return 0; } else { if (edit_insert_file (edit, exp)) { g_free (exp); edit->force |= REDRAW_COMPLETELY; return 1; } else { g_free (exp); edit_error_dialog (_ (" Insert file "), get_sys_error (_ (" Error trying to insert file. "))); } } } edit->force |= REDRAW_COMPLETELY; return 0; } /* sorts a block, returns -1 on system fail, 1 on cancel and 0 on success */ int edit_sort_cmd (WEdit * edit) { static char *old = 0; char *exp; long start_mark, end_mark; int e; if (eval_marks (edit, &start_mark, &end_mark)) { edit_error_dialog (_(" Sort block "), _(" You must first highlight a block of text. ")); return 0; } edit_save_block (edit, catstrs (home_dir, BLOCK_FILE, 0), start_mark, end_mark); exp = old ? old : ""; exp = input_dialog (_(" Run Sort "), _(" Enter sort options (see manpage) separated by whitespace: "), exp); if (!exp) return 1; if (old) g_free (old); old = exp; e = system (catstrs (" sort ", exp, " ", home_dir, BLOCK_FILE, " > ", home_dir, TEMP_FILE, 0)); if (e) { if (e == -1 || e == 127) { edit_error_dialog (_(" Sort "), get_sys_error (_(" Error trying to execute sort command "))); } else { char q[8]; sprintf (q, "%d ", e); edit_error_dialog (_(" Sort "), catstrs (_(" Sort returned non-zero: "), q, 0)); } return -1; } edit->force |= REDRAW_COMPLETELY; if (edit_block_delete_cmd (edit)) return 1; edit_insert_file (edit, catstrs (home_dir, TEMP_FILE, 0)); return 0; } /* if block is 1, a block must be highlighted and the shell command processes it. If block is 0 the shell command is a straight system command, that just produces some output which is to be inserted */ void edit_block_process_cmd (WEdit * edit, const char *shell_cmd, int block) { long start_mark, end_mark; char buf[BUFSIZ]; FILE *script_home = NULL; FILE *script_src = NULL; FILE *block_file = NULL; char *o = NULL; char *h = NULL; char *b = NULL; o = catstrs (mc_home, shell_cmd, 0); /* original source script */ h = catstrs (home_dir, EDIT_DIR, shell_cmd, 0); /* home script */ b = catstrs (home_dir, BLOCK_FILE, 0); /* block file */ if (!(script_home = fopen (h, "r"))) { if (!(script_home = fopen (h, "w"))) { edit_error_dialog ("", get_sys_error (catstrs (_ ("Error creating script:"), h, 0))); return; } if (!(script_src = fopen (o, "r"))) { fclose (script_home); unlink (h); edit_error_dialog ("", get_sys_error (catstrs (_("Error reading script:"), o, 0))); return; } while (fgets (buf, sizeof (buf), script_src)) fputs (buf, script_home); if (fclose (script_home)) { edit_error_dialog ("", get_sys_error (catstrs (_ ("Error closing script:"), h, 0))); return; } chmod (h, 0700); edit_error_dialog ("", get_sys_error (catstrs (_("Script created:"), h, 0))); } open_error_pipe (); if (block) { /* for marked block run indent formatter */ if (eval_marks (edit, &start_mark, &end_mark)) { edit_error_dialog (_("Process block"), _ (" You must first highlight a block of text. ")); return; } edit_save_block (edit, b, start_mark, end_mark); /* * Run script. * Initial space is to avoid polluting bash history. * Arguments: * $1 - name of the edited file (to check its extention etc). * $2 - file containing the current block. * $3 - file where error messages should be put * (for compatibility with old scripts). */ system (catstrs (" ", home_dir, EDIT_DIR, shell_cmd, " ", edit->filename, " ", home_dir, BLOCK_FILE, " /dev/null", NULL)); } else { /* * No block selected, just execute the command for the file. * Arguments: * $1 - name of the edited file. */ system (catstrs (" ", home_dir, EDIT_DIR, shell_cmd, " ", edit->filename, NULL)); } close_error_pipe (0, 0); edit_refresh_cmd (edit); edit->force |= REDRAW_COMPLETELY; /* insert result block */ if (block) { if (edit_block_delete_cmd (edit)) return; edit_insert_file (edit, b); if ((block_file = fopen (b, "w"))) fclose (block_file); return; } return; } /* prints at the cursor */ /* returns the number of chars printed */ int edit_print_string (WEdit * e, const char *s) { int i = 0; while (s[i]) edit_execute_cmd (e, -1, (unsigned char) s[i++]); e->force |= REDRAW_COMPLETELY; edit_update_screen (e); return i; } int edit_printf (WEdit * e, const char *fmt, ...) { int i; va_list pa; char s[1024]; va_start (pa, fmt); g_vsnprintf (s, sizeof (s), fmt, pa); i = edit_print_string (e, s); va_end (pa); return i; } /* FIXME: does this function break NT_OS2 ? */ static void pipe_mail (WEdit *edit, char *to, char *subject, char *cc) { FILE *p = 0; char *s; s = g_strdup_printf ("mail -s \"%s\" -c \"%s\" \"%s\"", subject, cc, to); if (s) { p = popen (s, "w"); g_free (s); } if (p) { long i; for (i = 0; i < edit->last_byte; i++) fputc (edit_get_byte (edit, i), p); pclose (p); } } #define MAIL_DLG_HEIGHT 12 void edit_mail_dialog (WEdit * edit) { char *tmail_to; char *tmail_subject; char *tmail_cc; static char *mail_cc_last = 0; static char *mail_subject_last = 0; static char *mail_to_last = 0; QuickDialog Quick_input = {50, MAIL_DLG_HEIGHT, -1, 0, N_(" Mail "), "[Input Line Keys]", 0}; QuickWidget quick_widgets[] = { {quick_button, 6, 10, 9, MAIL_DLG_HEIGHT, N_("&Cancel"), 0, B_CANCEL, 0, 0, NULL}, {quick_button, 2, 10, 9, MAIL_DLG_HEIGHT, N_("&Ok"), 0, B_ENTER, 0, 0, NULL}, {quick_input, 3, 50, 8, MAIL_DLG_HEIGHT, "", 44, 0, 0, 0, "mail-dlg-input"}, {quick_label, 2, 50, 7, MAIL_DLG_HEIGHT, N_(" Copies to"), 0, 0, 0, 0, 0}, {quick_input, 3, 50, 6, MAIL_DLG_HEIGHT, "", 44, 0, 0, 0, "mail-dlg-input-2"}, {quick_label, 2, 50, 5, MAIL_DLG_HEIGHT, N_(" Subject"), 0, 0, 0, 0, 0}, {quick_input, 3, 50, 4, MAIL_DLG_HEIGHT, "", 44, 0, 0, 0, "mail-dlg-input-3"}, {quick_label, 2, 50, 3, MAIL_DLG_HEIGHT, N_(" To"), 0, 0, 0, 0, 0}, {quick_label, 2, 50, 2, MAIL_DLG_HEIGHT, N_(" mail -s -c "), 0, 0, 0, 0, 0}, {0}}; quick_widgets[2].str_result = &tmail_cc; quick_widgets[2].text = mail_cc_last ? mail_cc_last : ""; quick_widgets[4].str_result = &tmail_subject; quick_widgets[4].text = mail_subject_last ? mail_subject_last : ""; quick_widgets[6].str_result = &tmail_to; quick_widgets[6].text = mail_to_last ? mail_to_last : ""; Quick_input.widgets = quick_widgets; if (quick_dialog (&Quick_input) != B_CANCEL) { if (mail_cc_last) g_free (mail_cc_last); if (mail_subject_last) g_free (mail_subject_last); if (mail_to_last) g_free (mail_to_last); mail_cc_last = *(quick_widgets[2].str_result); mail_subject_last = *(quick_widgets[4].str_result); mail_to_last = *(quick_widgets[6].str_result); pipe_mail (edit, mail_to_last, mail_subject_last, mail_cc_last); } } /*******************/ /* Word Completion */ /*******************/ /* find first character of current word */ static int edit_find_word_start (WEdit *edit, long *word_start, int *word_len) { int i, c, last; /* return if at begin of file */ if (edit->curs1 <= 0) return 0; c = (unsigned char) edit_get_byte (edit, edit->curs1 - 1); /* return if not at end or in word */ if (isspace (c) || !(isalnum (c) || c == '_')) return 0; /* search start of word to be completed */ for (i = 2;; i++) { /* return if at begin of file */ if (edit->curs1 - i < 0) return 0; last = c; c = (unsigned char) edit_get_byte (edit, edit->curs1 - i); if (!(isalnum (c) || c == '_')) { /* return if word starts with digit */ if (isdigit (last)) return 0; *word_start = edit->curs1 - (i - 1); /* start found */ *word_len = i - 1; break; } } /* success */ return 1; } /* (re)set search parameters to the given values */ static void edit_set_search_parameters (int rs, int rb, int rr, int rw, int rc) { replace_scanf = rs; replace_backwards = rb; replace_regexp = rr; replace_whole = rw; replace_case = rc; } const static int MAX_WORD_COMPLETIONS = 100; /* in listbox */ /* collect the possible completions */ static int edit_collect_completions (WEdit *edit, long start, int word_len, char *match_expr, struct selection *compl, int *num) { int len, max_len = 0, i, skip; char *bufpos; /* collect max MAX_WORD_COMPLETIONS completions */ while (*num < MAX_WORD_COMPLETIONS) { /* get next match */ start = edit_find (start - 1, (unsigned char *) match_expr, &len, edit->last_byte, (int (*)(void *, long)) edit_get_byte, (void *) edit, 0); /* not matched */ if (start < 0) break; /* add matched completion if not yet added */ bufpos = &edit->buffers1[start >> S_EDIT_BUF_SIZE][start & M_EDIT_BUF_SIZE]; skip = 0; for (i = 0; i < *num; i++) { if (strncmp (&compl[i].text[word_len], &bufpos[word_len], max (len, compl[i].len) - word_len) == 0) { skip = 1; break; /* skip it, already added */ } } if (skip) continue; compl[*num].text = CMalloc (len + 1); compl[*num].len = len; for (i = 0; i < len; i++) compl[*num].text[i] = *(bufpos + i); compl[*num].text[i] = '\0'; (*num)++; /* note the maximal length needed for the completion dialog */ if (len > max_len) max_len = len; } return max_len; } static int compllist_callback (void *data) { return 0; } /* let the user select its preferred completion */ void edit_completion_dialog (WEdit *edit, int max_len, int word_len, struct selection *compl, int num_compl) { int start_x, start_y, offset, i; char *curr = NULL; Dlg_head *compl_dlg; WListbox *compl_list; unsigned int compl_dlg_h; /* completion dialog height */ unsigned int compl_dlg_w; /* completion dialog width */ /* calculate the dialog metrics */ compl_dlg_h = num_compl + 2; compl_dlg_w = max_len + 4; start_x = edit->curs_col + edit->start_col - (compl_dlg_w / 2); start_y = edit->curs_row + EDIT_TEXT_VERTICAL_OFFSET + 1; if (start_x < 0) start_x = 0; if (compl_dlg_w > COLS) compl_dlg_w = COLS; if (compl_dlg_h > LINES - 2) compl_dlg_h = LINES - 2; offset = start_x + compl_dlg_w - COLS; if (offset > 0) start_x -= offset; offset = start_y + compl_dlg_h - LINES; if (offset > 0) start_y -= (offset + 1); /* create the dialog */ compl_dlg = create_dlg (start_y, start_x, compl_dlg_h, compl_dlg_w, dialog_colors, NULL, "[Completion]", NULL, DLG_COMPACT); /* create the listbox */ compl_list = listbox_new (1, 1, compl_dlg_w - 2, compl_dlg_h - 2, 0, compllist_callback, NULL); /* add the dialog */ add_widget (compl_dlg, compl_list); /* fill the listbox with the completions */ for (i = 0; i < num_compl; i++) listbox_add_item (compl_list, 0, 0, compl[i].text, NULL); /* pop up the dialog */ run_dlg (compl_dlg); /* apply the choosen completion */ if (compl_dlg->ret_value == B_ENTER) { listbox_get_current (compl_list, &curr, NULL); if (curr) for (curr += word_len; *curr; curr++) edit_insert (edit, *curr); } /* destroy dialog before return */ destroy_dlg (compl_dlg); } /* complete current word using regular expression search */ /* backwards beginning at current cursor position */ void edit_complete_word_cmd (WEdit *edit) { int word_len = 0, i, num_compl = 0, max_len; long word_start = 0; char *bufpos; char match_expr[MAX_REPL_LEN]; struct selection compl[MAX_WORD_COMPLETIONS]; /* completions */ /* don't want to disturb another search */ int old_rs = replace_scanf; int old_rb = replace_backwards; int old_rr = replace_regexp; int old_rw = replace_whole; int old_rc = replace_case; /* search start of word to be completed */ if (!edit_find_word_start (edit, &word_start, &word_len)) return; /* prepare match expression */ bufpos = &edit->buffers1[word_start >> S_EDIT_BUF_SIZE] [word_start & M_EDIT_BUF_SIZE]; strncpy (match_expr, bufpos, word_len); match_expr[word_len] = '\0'; strcat (match_expr, "[a-zA-Z_0-9]+"); /* init search: backward, regexp, whole word, case sensitive */ edit_set_search_parameters (0, 1, 1, 1, 1); /* collect the possible completions */ /* start search from curs1 down to begin of file */ max_len = edit_collect_completions (edit, word_start, word_len, match_expr, (struct selection *) &compl, &num_compl); if (num_compl > 0) { /* insert completed word if there is only one match */ if (num_compl == 1) { for (i = word_len; i < compl[0].len; i++) edit_insert (edit, *(compl[0].text + i)); } /* more than one possible completion => ask the user */ else { /* !!! usually only a beep is expected and when is !!! */ /* !!! pressed again the selection dialog pops up, but that !!! */ /* !!! seems to require a further internal state !!! */ /*beep ();*/ /* let the user select the preferred completion */ edit_completion_dialog (edit, max_len, word_len, (struct selection *) &compl, num_compl); } } /* release memory before return */ for (i = 0; i < num_compl; i++) free (compl[i].text); /* restore search parameters */ edit_set_search_parameters (old_rs, old_rb, old_rr, old_rw, old_rc); }