static void
do_replace (PlumaSearchDialog *dialog,
PlumaWindow *window)
{
PlumaDocument *doc;
const gchar *search_entry_text;
const gchar *replace_entry_text;
gchar *unescaped_search_text;
gchar *unescaped_replace_text;
gchar *selected_text = NULL;
gboolean match_case;
doc = pluma_window_get_active_document (window);
if (doc == NULL)
return;
search_entry_text = pluma_search_dialog_get_search_text (dialog);
g_return_if_fail ((search_entry_text) != NULL);
g_return_if_fail ((*search_entry_text) != '\0');
/* replace text may be "", we just delete */
replace_entry_text = pluma_search_dialog_get_replace_text (dialog);
g_return_if_fail ((replace_entry_text) != NULL);
unescaped_search_text = pluma_utils_unescape_search_text (search_entry_text);
get_selected_text (GTK_TEXT_BUFFER (doc),
&selected_text,
NULL);
match_case = pluma_search_dialog_get_match_case (dialog);
if ((selected_text == NULL) ||
(match_case && (strcmp (selected_text, unescaped_search_text) != 0)) ||
(!match_case && !g_utf8_caselessnmatch (selected_text,
unescaped_search_text,
strlen (selected_text),
strlen (unescaped_search_text)) != 0))
{
do_find (dialog, window);
g_free (unescaped_search_text);
g_free (selected_text);
return;
}
unescaped_replace_text = pluma_utils_unescape_search_text (replace_entry_text);
replace_selected_text (GTK_TEXT_BUFFER (doc), unescaped_replace_text);
g_free (unescaped_search_text);
g_free (selected_text);
g_free (unescaped_replace_text);
do_find (dialog, window);
}
static gboolean
backward_lines_match (const GtkTextIter *start,
const gchar **lines,
gboolean visible_only,
gboolean slice,
GtkTextIter *match_start,
GtkTextIter *match_end)
{
GtkTextIter line, next;
gchar *line_text;
const gchar *found;
gint offset;
if (*lines == NULL || **lines == '\0')
{
if (match_start)
*match_start = *start;
if (match_end)
*match_end = *start;
return TRUE;
}
line = next = *start;
if (gtk_text_iter_get_line_offset (&next) == 0)
{
if (!gtk_text_iter_backward_line (&next))
return FALSE;
}
else
gtk_text_iter_set_line_offset (&next, 0);
if (slice)
{
if (visible_only)
line_text = gtk_text_iter_get_visible_slice (&next, &line);
else
line_text = gtk_text_iter_get_slice (&next, &line);
}
else
{
if (visible_only)
line_text = gtk_text_iter_get_visible_text (&next, &line);
else
line_text = gtk_text_iter_get_text (&next, &line);
}
if (match_start) /* if this is the first line we're matching */
{
found = g_utf8_strrcasestr (line_text, *lines);
}
else
{
/* If it's not the first line, we have to match from the
* start of the line.
*/
if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
strlen (*lines)))
found = line_text;
else
found = NULL;
}
if (found == NULL)
{
g_free (line_text);
return FALSE;
}
/* Get offset to start of search string */
offset = g_utf8_strlen (line_text, found - line_text);
forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
/* If match start needs to be returned, set it to the
* start of the search string.
*/
if (match_start)
{
*match_start = next;
}
/* Go to end of search string */
forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE);
g_free (line_text);
++lines;
if (match_end)
*match_end = next;
/* try to match the rest of the lines forward, passing NULL
* for match_start so lines_match will try to match the entire
* line */
return lines_match (&next, lines, visible_only,
slice, NULL, match_end);
}
static gboolean
lines_match (const GtkTextIter *start,
const gchar **lines,
gboolean visible_only,
gboolean slice,
GtkTextIter *match_start,
GtkTextIter *match_end)
{
GtkTextIter next;
gchar *line_text;
const gchar *found;
gint offset;
if (*lines == NULL || **lines == '\0')
{
if (match_start)
*match_start = *start;
if (match_end)
*match_end = *start;
return TRUE;
}
next = *start;
gtk_text_iter_forward_line (&next);
/* No more text in buffer, but *lines is nonempty */
if (gtk_text_iter_equal (start, &next))
return FALSE;
if (slice)
{
if (visible_only)
line_text = gtk_text_iter_get_visible_slice (start, &next);
else
line_text = gtk_text_iter_get_slice (start, &next);
}
else
{
if (visible_only)
line_text = gtk_text_iter_get_visible_text (start, &next);
else
line_text = gtk_text_iter_get_text (start, &next);
}
if (match_start) /* if this is the first line we're matching */
{
found = g_utf8_strcasestr (line_text, *lines);
}
else
{
/* If it's not the first line, we have to match from the
* start of the line.
*/
if (g_utf8_caselessnmatch (line_text, *lines, strlen (line_text),
strlen (*lines)))
found = line_text;
else
found = NULL;
}
if (found == NULL)
{
g_free (line_text);
return FALSE;
}
/* Get offset to start of search string */
offset = g_utf8_strlen (line_text, found - line_text);
next = *start;
/* If match start needs to be returned, set it to the
* start of the search string.
*/
forward_chars_with_skipping (&next, offset, visible_only, !slice, FALSE);
if (match_start)
{
*match_start = next;
}
/* Go to end of search string */
forward_chars_with_skipping (&next, g_utf8_strlen (*lines, -1), visible_only, !slice, TRUE);
g_free (line_text);
++lines;
if (match_end)
*match_end = next;
/* pass NULL for match_start, since we don't need to find the
* start again.
*/
return lines_match (&next, lines, visible_only, slice, NULL, match_end);
}