[gedit/wip/use-gsv-search] search and replace: use gsv search API



commit 6d6b18a73990a6dbcdb1b880e191a67337781251
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon Jul 1 12:35:47 2013 +0200

    search and replace: use gsv search API

 gedit/gedit-commands-search.c |  322 ++++++++++++++++-------------------------
 1 files changed, 122 insertions(+), 200 deletions(-)
---
diff --git a/gedit/gedit-commands-search.c b/gedit/gedit-commands-search.c
index c3f2433..282f57c 100644
--- a/gedit/gedit-commands-search.c
+++ b/gedit/gedit-commands-search.c
@@ -145,137 +145,140 @@ text_not_found (GeditWindow *window,
        g_free (searched);
 }
 
+/*
+static void
+forward_search_finished (GtkSourceBuffer *buffer,
+                        GAsyncResult    *result,
+                        GeditView       *view)
+{
+}
+
+static void
+backward_search_finished (GtkSourceBuffer *buffer,
+                         GAsyncResult    *result,
+                         GeditView       *view)
+{
+}
+*/
+
 static gboolean
 run_search (GeditView   *view,
            gboolean     wrap_around,
            gboolean     search_backwards)
 {
-       GeditDocument *doc;
-       GtkTextIter start_iter;
+       GtkSourceBuffer *buffer;
+       GtkTextIter start_at;
        GtkTextIter match_start;
        GtkTextIter match_end;
-       gboolean found = FALSE;
+       gboolean found;
 
-       doc = GEDIT_DOCUMENT (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)));
+       buffer = GTK_SOURCE_BUFFER (gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)));
 
-       if (!search_backwards)
-       {
-               gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (doc),
-                                                     NULL,
-                                                     &start_iter);
+       gtk_source_buffer_set_search_wrap_around (buffer, wrap_around);
 
-               found = gedit_document_search_forward (doc,
-                                                      &start_iter,
-                                                      NULL,
-                                                      &match_start,
-                                                      &match_end);
-       }
-       else
+       if (search_backwards)
        {
-               gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (doc),
-                                                     &start_iter,
+               gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (buffer),
+                                                     &start_at,
                                                      NULL);
 
-               found = gedit_document_search_backward (doc,
-                                                       NULL,
-                                                       &start_iter,
-                                                       &match_start,
-                                                       &match_end);
+               found = gtk_source_buffer_backward_search (buffer,
+                                                          &start_at,
+                                                          &match_start,
+                                                          &match_end);
        }
-
-       if (!found && wrap_around)
+       else
        {
-               if (!search_backwards)
-               {
-                       found = gedit_document_search_forward (doc,
-                                                              NULL,
-                                                              NULL, /* FIXME: set the end_inter */
-                                                              &match_start,
-                                                              &match_end);
-               }
-               else
-               {
-                       found = gedit_document_search_backward (doc,
-                                                               NULL, /* FIXME: set the start_inter */
-                                                               NULL,
-                                                               &match_start,
-                                                               &match_end);
-               }
+               gtk_text_buffer_get_selection_bounds (GTK_TEXT_BUFFER (buffer),
+                                                     NULL,
+                                                     &start_at);
+
+               found = gtk_source_buffer_forward_search (buffer,
+                                                         &start_at,
+                                                         &match_start,
+                                                         &match_end);
        }
 
        if (found)
        {
-               gtk_text_buffer_place_cursor (GTK_TEXT_BUFFER (doc),
-                                             &match_start);
-
-               gtk_text_buffer_move_mark_by_name (GTK_TEXT_BUFFER (doc),
-                                                  "selection_bound",
-                                                  &match_end);
+               gtk_text_buffer_select_range (GTK_TEXT_BUFFER (buffer),
+                                             &match_start,
+                                             &match_end);
 
                gedit_view_scroll_to_cursor (view);
        }
        else
        {
-               gtk_text_buffer_place_cursor (GTK_TEXT_BUFFER (doc),
-                                             &start_iter);
+               gtk_text_buffer_select_range (GTK_TEXT_BUFFER (buffer),
+                                             &start_at,
+                                             &start_at);
        }
 
        return found;
 }
 
 static void
+set_search_state (GeditReplaceDialog *dialog,
+                 GtkSourceBuffer    *buffer)
+{
+       const gchar *search_text;
+       gchar *unescaped_search_text;
+       gboolean match_case;
+       gboolean entire_word;
+       gboolean wrap_around;
+
+       search_text = gedit_replace_dialog_get_search_text (dialog);
+       unescaped_search_text = gtk_source_utils_unescape_search_text (search_text);
+       gtk_source_buffer_set_search_text (buffer, unescaped_search_text);
+       g_free (unescaped_search_text);
+
+       match_case = gedit_replace_dialog_get_match_case (dialog);
+       gtk_source_buffer_set_case_sensitive_search (buffer, match_case);
+
+       entire_word = gedit_replace_dialog_get_entire_word (dialog);
+       gtk_source_buffer_set_search_at_word_boundaries (buffer, entire_word);
+
+       wrap_around = gedit_replace_dialog_get_wrap_around (dialog);
+       gtk_source_buffer_set_search_wrap_around (buffer, wrap_around);
+}
+
+static void
 do_find (GeditReplaceDialog *dialog,
         GeditWindow        *window)
 {
        GeditView *active_view;
-       GeditDocument *doc;
-       gchar *search_text;
-       const gchar *entry_text;
-       gboolean match_case;
-       gboolean entire_word;
+       GtkSourceBuffer *buffer;
        gboolean wrap_around;
        gboolean search_backwards;
-       guint flags = 0;
-       guint old_flags = 0;
        gboolean found;
 
        /* TODO: make the dialog insensitive when all the tabs are closed
         * and assert here that the view is not NULL */
        active_view = gedit_window_get_active_view (window);
+
        if (active_view == NULL)
+       {
                return;
+       }
 
-       doc = GEDIT_DOCUMENT (gtk_text_view_get_buffer (GTK_TEXT_VIEW (active_view)));
+       buffer = GTK_SOURCE_BUFFER (gtk_text_view_get_buffer (GTK_TEXT_VIEW (active_view)));
 
-       entry_text = gedit_replace_dialog_get_search_text (dialog);
+       set_search_state (dialog, buffer);
 
-       match_case = gedit_replace_dialog_get_match_case (dialog);
-       entire_word = gedit_replace_dialog_get_entire_word (dialog);
-       search_backwards = gedit_replace_dialog_get_backwards (dialog);
        wrap_around = gedit_replace_dialog_get_wrap_around (dialog);
+       search_backwards = gedit_replace_dialog_get_backwards (dialog);
 
-       GEDIT_SEARCH_SET_CASE_SENSITIVE (flags, match_case);
-       GEDIT_SEARCH_SET_ENTIRE_WORD (flags, entire_word);
-
-       search_text = gedit_document_get_search_text (doc, &old_flags);
-
-       if ((search_text == NULL) ||
-           (strcmp (search_text, entry_text) != 0) ||
-           (flags != old_flags))
-       {
-               gedit_document_set_search_text (doc, entry_text, flags);
-       }
-
-       g_free (search_text);
-
-       found = run_search (active_view,
-                           wrap_around,
-                           search_backwards);
+       found = run_search (active_view, wrap_around, search_backwards);
 
        if (found)
+       {
                text_found (window, 0);
+       }
        else
-               text_not_found (window, entry_text);
+       {
+               const gchar *search_text = gedit_replace_dialog_get_search_text (dialog);
+               text_not_found (window, search_text);
+       }
 
        gtk_dialog_set_response_sensitive (GTK_DIALOG (dialog),
                                           GEDIT_REPLACE_DIALOG_REPLACE_RESPONSE,
@@ -309,115 +312,31 @@ get_selected_text (GtkTextBuffer  *doc,
        return TRUE;
 }
 
-/* n: len of the string in bytes */
-static gboolean
-utf8_caselessnmatch (const char *s1,
-                    const char *s2,
-                    gssize      n1,
-                    gssize      n2)
-{
-       gchar *casefold;
-       gchar *normalized_s1;
-       gchar *normalized_s2;
-       gint len_s1;
-       gint len_s2;
-       gboolean ret = FALSE;
-
-       g_return_val_if_fail (s1 != NULL, FALSE);
-       g_return_val_if_fail (s2 != NULL, FALSE);
-       g_return_val_if_fail (n1 > 0, FALSE);
-       g_return_val_if_fail (n2 > 0, FALSE);
-
-       casefold = g_utf8_casefold (s1, n1);
-       normalized_s1 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
-       g_free (casefold);
-
-       casefold = g_utf8_casefold (s2, n2);
-       normalized_s2 = g_utf8_normalize (casefold, -1, G_NORMALIZE_NFD);
-       g_free (casefold);
-
-       len_s1 = strlen (normalized_s1);
-       len_s2 = strlen (normalized_s2);
-
-       if (len_s1 < len_s2)
-               goto finally_2;
-
-       ret = (strncmp (normalized_s1, normalized_s2, len_s2) == 0);
-
-finally_2:
-       g_free (normalized_s1);
-       g_free (normalized_s2);
-
-       return ret;
-}
-
-static void
-replace_selected_text (GtkTextBuffer *buffer,
-                      const gchar   *replace)
-{
-       g_return_if_fail (gtk_text_buffer_get_selection_bounds (buffer, NULL, NULL));
-       g_return_if_fail (replace != NULL);
-
-       gtk_text_buffer_begin_user_action (buffer);
-
-       gtk_text_buffer_delete_selection (buffer, FALSE, TRUE);
-
-       gtk_text_buffer_insert_at_cursor (buffer, replace, strlen (replace));
-
-       gtk_text_buffer_end_user_action (buffer);
-}
-
 static void
 do_replace (GeditReplaceDialog *dialog,
            GeditWindow        *window)
 {
-       GeditDocument *doc;
-       const gchar *search_entry_text;
+       GtkSourceBuffer *buffer;
        const gchar *replace_entry_text;
-       gchar *unescaped_search_text;
        gchar *unescaped_replace_text;
-       gchar *selected_text = NULL;
-       gboolean match_case;
 
-       doc = gedit_window_get_active_document (window);
-       if (doc == NULL)
+       buffer = GTK_SOURCE_BUFFER (gedit_window_get_active_document (window));
+
+       if (buffer == NULL)
+       {
                return;
+       }
 
-       search_entry_text = gedit_replace_dialog_get_search_text (dialog);
-       g_return_if_fail ((search_entry_text) != NULL);
-       g_return_if_fail ((*search_entry_text) != '\0');
+       set_search_state (dialog, buffer);
 
        /* replace text may be "", we just delete */
        replace_entry_text = gedit_replace_dialog_get_replace_text (dialog);
-       g_return_if_fail ((replace_entry_text) != NULL);
-
-       unescaped_search_text = gedit_utils_unescape_search_text (search_entry_text);
+       g_return_if_fail (replace_entry_text != NULL);
 
-       get_selected_text (GTK_TEXT_BUFFER (doc),
-                          &selected_text,
-                          NULL);
-
-       match_case = gedit_replace_dialog_get_match_case (dialog);
-
-       if ((selected_text == NULL) ||
-           (match_case && (strcmp (selected_text, unescaped_search_text) != 0)) ||
-           (!match_case && !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 = gtk_source_utils_unescape_search_text (replace_entry_text);
 
-       unescaped_replace_text = gedit_utils_unescape_search_text (replace_entry_text);
-       replace_selected_text (GTK_TEXT_BUFFER (doc), unescaped_replace_text);
+       gtk_source_buffer_search_replace (buffer, NULL, NULL, unescaped_replace_text, -1);
 
-       g_free (unescaped_search_text);
-       g_free (selected_text);
        g_free (unescaped_replace_text);
 
        do_find (dialog, window);
@@ -428,38 +347,31 @@ do_replace_all (GeditReplaceDialog *dialog,
                GeditWindow        *window)
 {
        GeditView *active_view;
-       GeditDocument *doc;
-       const gchar *search_entry_text;
+       GtkSourceBuffer *buffer;
        const gchar *replace_entry_text;
-       gboolean match_case;
-       gboolean entire_word;
-       guint flags = 0;
+       gchar *unescaped_replace_text;
        gint count;
 
        active_view = gedit_window_get_active_view (window);
+
        if (active_view == NULL)
+       {
                return;
+       }
 
-       doc = GEDIT_DOCUMENT (gtk_text_view_get_buffer (GTK_TEXT_VIEW (active_view)));
+       buffer = GTK_SOURCE_BUFFER (gtk_text_view_get_buffer (GTK_TEXT_VIEW (active_view)));
 
-       search_entry_text = gedit_replace_dialog_get_search_text (dialog);
-       g_return_if_fail ((search_entry_text) != NULL);
-       g_return_if_fail ((*search_entry_text) != '\0');
+       set_search_state (dialog, buffer);
 
-       /* replace text may be "", we just delete all occurrencies */
+       /* replace text may be "", we just delete all occurrences */
        replace_entry_text = gedit_replace_dialog_get_replace_text (dialog);
-       g_return_if_fail ((replace_entry_text) != NULL);
+       g_return_if_fail (replace_entry_text != NULL);
 
-       match_case = gedit_replace_dialog_get_match_case (dialog);
-       entire_word = gedit_replace_dialog_get_entire_word (dialog);
+       unescaped_replace_text = gtk_source_utils_unescape_search_text (replace_entry_text);
 
-       GEDIT_SEARCH_SET_CASE_SENSITIVE (flags, match_case);
-       GEDIT_SEARCH_SET_ENTIRE_WORD (flags, entire_word);
+       count = gtk_source_buffer_search_replace_all (buffer, unescaped_replace_text, -1);
 
-       count = gedit_document_replace_all (doc,
-                                           search_entry_text,
-                                           replace_entry_text,
-                                           flags);
+       g_free (unescaped_replace_text);
 
        if (count > 0)
        {
@@ -467,6 +379,7 @@ do_replace_all (GeditReplaceDialog *dialog,
        }
        else
        {
+               const gchar *search_entry_text = gedit_replace_dialog_get_search_text (dialog);
                text_not_found (window, search_entry_text);
        }
 
@@ -487,12 +400,15 @@ replace_dialog_response_cb (GeditReplaceDialog *dialog,
                case GEDIT_REPLACE_DIALOG_FIND_RESPONSE:
                        do_find (dialog, window);
                        break;
+
                case GEDIT_REPLACE_DIALOG_REPLACE_RESPONSE:
                        do_replace (dialog, window);
                        break;
+
                case GEDIT_REPLACE_DIALOG_REPLACE_ALL_RESPONSE:
                        do_replace_all (dialog, window);
                        break;
+
                default:
                        last_search_data_store_position (dialog);
                        gtk_widget_hide (GTK_WIDGET (dialog));
@@ -546,8 +462,11 @@ _gedit_cmd_search_find (GtkAction   *action,
        gedit_debug (DEBUG_COMMANDS);
 
        active_tab = gedit_window_get_active_tab (window);
+
        if (active_tab == NULL)
+       {
                return;
+       }
 
        frame = GEDIT_VIEW_FRAME (_gedit_tab_get_view_frame (active_tab));
        gedit_view_frame_popup_search (frame);
@@ -590,13 +509,10 @@ _gedit_cmd_search_replace (GtkAction   *action,
        {
                gedit_replace_dialog_set_search_text (GEDIT_REPLACE_DIALOG (replace_dialog),
                                                      find_text);
-               g_free (find_text);
-       }
-       else
-       {
-               g_free (find_text);
        }
 
+       g_free (find_text);
+
        gtk_widget_show (replace_dialog);
        last_search_data_restore_position (GEDIT_REPLACE_DIALOG (replace_dialog));
        gedit_replace_dialog_present_with_time (GEDIT_REPLACE_DIALOG (replace_dialog),
@@ -617,11 +533,11 @@ do_find_again (GeditWindow *window,
        data = g_object_get_data (G_OBJECT (window), GEDIT_REPLACE_DIALOG_KEY);
 
        if (data != NULL)
+       {
                wrap_around = gedit_replace_dialog_get_wrap_around (GEDIT_REPLACE_DIALOG (data));
+       }
 
-       run_search (active_view,
-                   wrap_around,
-                   backward);
+       run_search (active_view, wrap_around, backward);
 }
 
 void
@@ -652,8 +568,11 @@ _gedit_cmd_search_clear_highlight (GtkAction   *action,
        gedit_debug (DEBUG_COMMANDS);
 
        active_tab = gedit_window_get_active_tab (window);
+
        if (active_tab == NULL)
+       {
                return;
+       }
 
        frame = GEDIT_VIEW_FRAME (_gedit_tab_get_view_frame (active_tab));
        gedit_view_frame_clear_search (frame);
@@ -669,8 +588,11 @@ _gedit_cmd_search_goto_line (GtkAction   *action,
        gedit_debug (DEBUG_COMMANDS);
 
        active_tab = gedit_window_get_active_tab (window);
+
        if (active_tab == NULL)
+       {
                return;
+       }
 
        frame = GEDIT_VIEW_FRAME (_gedit_tab_get_view_frame (active_tab));
        gedit_view_frame_popup_goto_line (frame);


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