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Viewing changes to .pc/fix_segfault_blocksync.patch/src/blocksync.c

  • Committer: Package Import Robot
  • Author(s): Daniel Leidert
  • Date: 2012-09-10 00:15:13 UTC
  • Revision ID: package-import@ubuntu.com-20120910001513-9tieb2oxkdw1spg9
Tags: 2.2.3-4
* debian/patches/fix_segfault_blocksync.patch: Added.
  - Fix a segmentation fault in the block synchronization feature.
* debian/patches/fix_segfault_scanner.patch: Added.
  - Fix segmentation faults in the language scanner feature.
* debian/patches/series: Added.

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.pc/fix_segfault_blocksync.patch/src/blocksync.c
 
1
/* Bluefish HTML Editor
 
2
 * blocksync.c - synchronise blocks of text trough all open documents
 
3
 *
 
4
 * Copyright (C) 2006 Olivier Sessink
 
5
 *
 
6
 * This program is free software; you can redistribute it and/or modify
 
7
 * it under the terms of the GNU General Public License as published by
 
8
 * the Free Software Foundation; either version 3 of the License, or
 
9
 * (at your option) any later version.
 
10
 *
 
11
 * This program is distributed in the hope that it will be useful,
 
12
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 
13
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
14
 * GNU General Public License for more details.
 
15
 *
 
16
 * You should have received a copy of the GNU General Public License
 
17
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
18
 */
 
19
/*#define DEBUG*/
 
20
 
 
21
#include <gtk/gtk.h>
 
22
#include <string.h>
 
23
#include "config.h"
 
24
 
 
25
#include "bluefish.h"
 
26
#include "document.h"        /* doc_replace_text() */
 
27
#include "gtk_easy.h"        /* a lot of GUI functions */
 
28
#include "snr3.h"
 
29
 
 
30
typedef enum {
 
31
        page_no_selection,
 
32
        page_start_marker,
 
33
        page_end_marker,
 
34
        page_summary
 
35
} Tbspage;
 
36
 
 
37
typedef struct {
 
38
        GtkWidget *dialog;
 
39
        GtkWidget *warnlabel;
 
40
        Tbspage curpage;
 
41
        Tbfwin *bfwin;
 
42
        GtkWidget *child;
 
43
        GtkWidget *textview;
 
44
        gchar *allblock;
 
45
        gchar *startmarker;
 
46
        gchar *endmarker;
 
47
} Tbsdialog;
 
48
 
 
49
static gboolean single_occurence(gchar *allcontent, gchar *needle) {
 
50
        gchar *first;
 
51
        /* the string should be only once in allcontent */
 
52
        first = strstr(allcontent, needle);
 
53
        if (first) {
 
54
                gchar *second = strstr(first+1, needle);
 
55
                if (second == NULL) {
 
56
                        return TRUE;
 
57
                }
 
58
                DEBUG_MSG("single_occurence, error, needle %s exists twice!, first=%p, second=%p\n",needle,first,second);
 
59
        }
 
60
        return FALSE;
 
61
}
 
62
 
 
63
static gchar *pcre_escape_string(const gchar *orig) {
 
64
        gint len,i=0,o=0;
 
65
        gchar *new;
 
66
        
 
67
        len = strlen(orig);
 
68
        new = g_new(gchar,len*2+1);
 
69
        while (i<=len) {
 
70
                if (orig[i] == '.' || orig[i] == '?' || orig[i] == '+' || orig[i] == '*'
 
71
                                || orig[i] == '(' || orig[i] == ')' || orig[i] == '[' || orig[i] == ']'
 
72
                                || orig[i] == '\\' || orig[i] == '^' || orig[i] == '$') {
 
73
                        new[o] = '\\';
 
74
                        o++;
 
75
                }
 
76
                new[o] = orig[i];
 
77
                i++;
 
78
                o++;
 
79
        }
 
80
        DEBUG_MSG("pcre_escape_string, orig=%s, new=%s\n",orig,new);
 
81
        return new;
 
82
}
 
83
 
 
84
static void bs_page_no_selection(Tbsdialog *bsdialog) {
 
85
        GtkWidget *label, *vbox;
 
86
        gchar *tmp1;
 
87
        const gchar *stext = _("Select the block to sync to other pages. Include the start-of-block and end-of-block markers in your selection.");      
 
88
        
 
89
        vbox = gtk_vbox_new(FALSE,6);
 
90
        gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(bsdialog->dialog))), vbox, TRUE,TRUE,5);
 
91
        if (doc_has_selection(bsdialog->bfwin->current_document)) {
 
92
                tmp1 = g_strconcat(stext, " ", _("To proceed with the current selection click forward."), NULL);
 
93
        } else {
 
94
                tmp1 = g_strdup(stext);
 
95
        }
 
96
        
 
97
        label = gtk_label_new(tmp1);
 
98
        g_free(tmp1);
 
99
        
 
100
        gtk_label_set_use_markup(GTK_LABEL(label),TRUE);
 
101
        gtk_label_set_line_wrap(GTK_LABEL(label),TRUE);
 
102
        gtk_box_pack_start(GTK_BOX(vbox), label, FALSE,TRUE,5);
 
103
        
 
104
        gtk_widget_show_all(bsdialog->dialog);
 
105
        bsdialog->warnlabel = gtk_label_new("");        
 
106
        gtk_box_pack_start(GTK_BOX(vbox), bsdialog->warnlabel, FALSE,TRUE,5);
 
107
        
 
108
        
 
109
        bsdialog->child = vbox;
 
110
        bsdialog->curpage = page_no_selection;
 
111
}
 
112
 
 
113
static void bs_page_start_marker(Tbsdialog *bsdialog, const gchar *text) {
 
114
        GtkWidget *vbox, *label, *scrolwin;
 
115
        GtkTextBuffer *buffer;
 
116
        GtkTextIter start,end;
 
117
        GtkTextMark *mark;
 
118
        vbox = gtk_vbox_new(FALSE,6);
 
119
        gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(bsdialog->dialog))), vbox, TRUE,TRUE,5);
 
120
        
 
121
        label   = gtk_label_new(_("Below is the block, including start and end marker. Please <b>select the start marker</b> in the text below."));
 
122
        gtk_label_set_use_markup(GTK_LABEL(label),TRUE);
 
123
        gtk_label_set_line_wrap(GTK_LABEL(label),TRUE);
 
124
        gtk_box_pack_start(GTK_BOX(vbox),label,FALSE,TRUE,6);
 
125
        
 
126
        bsdialog->warnlabel = gtk_label_new("");        
 
127
        gtk_box_pack_start(GTK_BOX(vbox), bsdialog->warnlabel, FALSE,TRUE,6);   
 
128
        
 
129
        scrolwin = textview_buffer_in_scrolwin(&bsdialog->textview, -1, -1, text, GTK_WRAP_NONE);
 
130
        gtk_box_pack_start(GTK_BOX(vbox),scrolwin,TRUE,TRUE,6);
 
131
        gtk_widget_show(bsdialog->textview);
 
132
        gtk_widget_show(label);
 
133
        gtk_widget_show(scrolwin);
 
134
        gtk_widget_show(vbox);
 
135
        
 
136
        buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(bsdialog->textview));
 
137
        gtk_text_buffer_get_start_iter(buffer,&start);
 
138
        end = start;
 
139
        gtk_text_iter_forward_to_line_end(&end);
 
140
        gtk_text_buffer_select_range(buffer,&start,&end);
 
141
        mark = gtk_text_buffer_get_selection_bound(buffer);
 
142
        gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(bsdialog->textview),mark);
 
143
        
 
144
        bsdialog->child = vbox;
 
145
        bsdialog->curpage = page_start_marker;
 
146
}
 
147
 
 
148
static void bs_page_end_marker(Tbsdialog *bsdialog, const gchar *text) {
 
149
        GtkWidget *vbox, *label, *scrolwin;
 
150
        GtkTextBuffer *buffer;
 
151
        GtkTextIter start,end;
 
152
        GtkTextMark *mark;
 
153
        vbox = gtk_vbox_new(FALSE,6);
 
154
        gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(bsdialog->dialog))), vbox, TRUE,TRUE,5);
 
155
        
 
156
        label   = gtk_label_new(_("Please <b>select the end marker</b> in the text below."));
 
157
        gtk_label_set_use_markup(GTK_LABEL(label),TRUE);
 
158
        gtk_label_set_line_wrap(GTK_LABEL(label),TRUE);
 
159
        gtk_box_pack_start(GTK_BOX(vbox),label,FALSE,TRUE,6);
 
160
        
 
161
        bsdialog->warnlabel = gtk_label_new("");        
 
162
        gtk_box_pack_start(GTK_BOX(vbox), bsdialog->warnlabel, FALSE,TRUE,6);
 
163
        
 
164
        scrolwin = textview_buffer_in_scrolwin(&bsdialog->textview, -1, -1, text, GTK_WRAP_NONE);
 
165
        gtk_box_pack_start(GTK_BOX(vbox),scrolwin,TRUE,TRUE,6);
 
166
        gtk_widget_show(bsdialog->textview);
 
167
        gtk_widget_show(label);
 
168
        gtk_widget_show(scrolwin);
 
169
        gtk_widget_show(vbox);
 
170
        
 
171
        buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(bsdialog->textview));
 
172
        gtk_text_buffer_get_end_iter(buffer,&end);
 
173
        start = end;
 
174
        gtk_text_iter_set_line_offset(&start,0);
 
175
        if (gtk_text_iter_equal(&start,&end)) {
 
176
                /* if the last line is just a newline, we select the line before */
 
177
                gtk_text_iter_backward_line(&start);
 
178
                gtk_text_iter_set_line_offset(&start,0);
 
179
        }
 
180
        gtk_text_buffer_select_range(buffer,&start,&end);
 
181
        mark = gtk_text_buffer_get_selection_bound(buffer);
 
182
        gtk_text_view_scroll_mark_onscreen(GTK_TEXT_VIEW(bsdialog->textview),mark);
 
183
        
 
184
        bsdialog->child = vbox;
 
185
        bsdialog->curpage = page_end_marker;
 
186
}
 
187
 
 
188
static void bs_page_summary(Tbsdialog *bsdialog) {
 
189
        gchar *tmp, *tmp1, *tmp2;
 
190
        GtkWidget *label;
 
191
 
 
192
        tmp1 = g_markup_escape_text(bsdialog->startmarker,-1);
 
193
        tmp2 = g_markup_escape_text(bsdialog->endmarker,-1);
 
194
        tmp = g_strdup_printf(_("Will replace the text between <i>%s</i> and <i>%s</i> in all documents opened in this window.\n<b>Proceed?</b>"), tmp1,tmp2);
 
195
        label = gtk_label_new(tmp);
 
196
        g_free(tmp);
 
197
        g_free(tmp1);
 
198
        g_free(tmp2);
 
199
        gtk_label_set_use_markup(GTK_LABEL(label),TRUE);
 
200
        gtk_label_set_line_wrap(GTK_LABEL(label),TRUE);
 
201
        gtk_box_pack_start(GTK_BOX(gtk_dialog_get_content_area(GTK_DIALOG(bsdialog->dialog))), label, TRUE,TRUE,5);
 
202
        gtk_widget_show_all(bsdialog->dialog);
 
203
 
 
204
        bsdialog->child = label;
 
205
        bsdialog->curpage = page_summary;
 
206
}
 
207
 
 
208
static void bsdialog_cleanup(Tbsdialog *bsdialog) {
 
209
        gtk_widget_destroy(bsdialog->dialog);
 
210
        if (bsdialog->startmarker) g_free(bsdialog->startmarker);
 
211
        if (bsdialog->endmarker) g_free(bsdialog->endmarker);
 
212
        if (bsdialog->allblock) g_free(bsdialog->allblock);
 
213
        g_free(bsdialog);
 
214
}
 
215
 
 
216
static void bs_dialog_response_lcb(GtkDialog *dialog, gint response, Tbsdialog *bsdialog) {
 
217
        if (bsdialog->curpage == page_no_selection && response == 1) {
 
218
                gint start,end;
 
219
                if (doc_get_selection(bsdialog->bfwin->current_document,&start,&end)) {
 
220
                        /* build the new page with the selection text in there */
 
221
                        bsdialog->allblock = doc_get_chars(bsdialog->bfwin->current_document,start,end);
 
222
                        gtk_widget_destroy(bsdialog->child);
 
223
                        bs_page_start_marker(bsdialog, bsdialog->allblock);
 
224
                } else {
 
225
                        gtk_label_set_markup(GTK_LABEL(bsdialog->warnlabel), _("<span foreground=\"red\" weight=\"bold\">Please select the block of text to synchronize.</span>"));
 
226
                        gtk_widget_show(bsdialog->warnlabel);
 
227
                }
 
228
        } else if (bsdialog->curpage == page_start_marker && response == 1) {
 
229
                GtkTextBuffer *buffer;
 
230
                GtkTextIter start,end;
 
231
                /* check the textview for the selection */
 
232
                buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(bsdialog->textview));
 
233
                if (gtk_text_buffer_get_selection_bounds(buffer,&start,&end)) {
 
234
                        bsdialog->startmarker = gtk_text_buffer_get_text(buffer,&start,&end,FALSE);
 
235
                        if (single_occurence(bsdialog->allblock, bsdialog->startmarker)) {
 
236
                                gtk_widget_destroy(bsdialog->child);
 
237
                                bs_page_end_marker(bsdialog, bsdialog->allblock);
 
238
                        } else {
 
239
                                gtk_label_set_markup(GTK_LABEL(bsdialog->warnlabel), _("<span foreground=\"red\" weight=\"bold\">This marker exists more than once in the block.</span>"));
 
240
                                gtk_widget_show(bsdialog->warnlabel);
 
241
                                g_free(bsdialog->startmarker);
 
242
                                bsdialog->startmarker = NULL;
 
243
                        }
 
244
                } else {
 
245
                        gtk_label_set_markup(GTK_LABEL(bsdialog->warnlabel), _("<span foreground=\"red\" weight=\"bold\">Select the text that marks the start of the block.</span>"));
 
246
                        gtk_widget_show(bsdialog->warnlabel);
 
247
                }
 
248
        } else if (bsdialog->curpage == page_end_marker && response == 1) {
 
249
                GtkTextBuffer *buffer;
 
250
                GtkTextIter start,end;
 
251
                /* check the textview for the selection */
 
252
                buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(bsdialog->textview));
 
253
                if (gtk_text_buffer_get_selection_bounds(buffer,&start,&end)) {
 
254
                        bsdialog->endmarker = gtk_text_buffer_get_text(buffer,&start,&end,FALSE);
 
255
                        if (single_occurence(bsdialog->allblock, bsdialog->endmarker)) {
 
256
                                gtk_widget_destroy(bsdialog->child);
 
257
                                bs_page_summary(bsdialog);
 
258
                        } else {
 
259
                                gtk_label_set_markup(GTK_LABEL(bsdialog->warnlabel), _("<span foreground=\"red\" weight=\"bold\">This marker exists more than once in the block.</span>"));
 
260
                                gtk_widget_show(bsdialog->warnlabel);
 
261
                                g_free(bsdialog->endmarker);
 
262
                                bsdialog->endmarker = NULL;
 
263
                        }
 
264
                }  else {
 
265
                        gtk_label_set_markup(GTK_LABEL(bsdialog->warnlabel), _("<span foreground=\"red\" weight=\"bold\">Select the text that marks the end of the block.</span>"));
 
266
                        gtk_widget_show(bsdialog->warnlabel);
 
267
                }
 
268
        } else if (bsdialog->curpage == page_summary && response == 1) {
 
269
                gchar *searchpat, *tmp1, *tmp2;
 
270
                /* GO */
 
271
                tmp1 = pcre_escape_string(bsdialog->startmarker);
 
272
                tmp2 = pcre_escape_string(bsdialog->endmarker);
 
273
                searchpat = g_strconcat(tmp1, ".*?",tmp2 , NULL);
 
274
                DEBUG_MSG("searchpat=%s\n",searchpat);
 
275
                g_free(tmp1);
 
276
                g_free(tmp2);
 
277
                snr3_run_extern_replace(bsdialog->bfwin->current_document, searchpat, snr3scope_alldocs,snr3type_pcre,TRUE, bsdialog->allblock,FALSE);
 
278
                g_free(searchpat);
 
279
                
 
280
                /* cleanup */
 
281
                bsdialog_cleanup(bsdialog);
 
282
        } else if (response == -2 || response == -4){
 
283
                bsdialog_cleanup(bsdialog);
 
284
        } else{
 
285
                DEBUG_MSG("flow broken, response=%d, page=%d\n",response,bsdialog->curpage);
 
286
        }
 
287
}
 
288
 
 
289
void blocksync_dialog(Tbfwin *bfwin) {
 
290
        Tbsdialog *bsdialog;
 
291
        
 
292
        bsdialog = g_new0(Tbsdialog,1);
 
293
        bsdialog->bfwin = bfwin;
 
294
        bsdialog->curpage = page_no_selection;
 
295
        bsdialog->dialog = gtk_dialog_new_with_buttons(_("Synchronize text block"),GTK_WINDOW(bfwin->main_window),
 
296
                                        GTK_DIALOG_DESTROY_WITH_PARENT,
 
297
                                        GTK_STOCK_CANCEL,GTK_RESPONSE_REJECT,
 
298
                                        GTK_STOCK_GO_FORWARD,1,
 
299
                                        NULL);
 
300
        gtk_window_set_default_size(GTK_WINDOW(bsdialog->dialog),400,300);
 
301
 
 
302
        bs_page_no_selection(bsdialog);
 
303
        
 
304
        gtk_widget_show_all(bsdialog->dialog);
 
305
        g_signal_connect(bsdialog->dialog, "response", G_CALLBACK(bs_dialog_response_lcb), bsdialog);
 
306
}