void
_ide_back_forward_list_load_async (IdeBackForwardList *self,
GFile *file,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
g_autoptr(GTask) task = NULL;
g_assert (IDE_IS_BACK_FORWARD_LIST (self));
g_assert (G_IS_FILE (file));
g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
#ifdef IDE_ENABLE_TRACE
{
g_autofree gchar *path = NULL;
path = g_file_get_path (file);
IDE_TRACE_MSG ("Loading %s", path);
}
#endif
task = g_task_new (self, cancellable, callback, user_data);
g_file_load_contents_async (file,
cancellable,
ide_back_forward_list_load_cb,
g_object_ref (task));
}
void
ide_layout_view_set_back_forward_list (IdeLayoutView *self,
IdeBackForwardList *back_forward_list)
{
g_return_if_fail (IDE_IS_LAYOUT_VIEW (self));
g_return_if_fail (IDE_IS_BACK_FORWARD_LIST (back_forward_list));
if (IDE_LAYOUT_VIEW_GET_CLASS (self)->set_back_forward_list)
IDE_LAYOUT_VIEW_GET_CLASS (self)->set_back_forward_list (self, back_forward_list);
}
gboolean
_ide_back_forward_list_load_finish (IdeBackForwardList *self,
GAsyncResult *result,
GError **error)
{
g_return_val_if_fail (IDE_IS_BACK_FORWARD_LIST (self), FALSE);
g_return_val_if_fail (G_IS_TASK (result), FALSE);
return g_task_propagate_boolean (G_TASK (result), error);
}
static void
gb_editor_view_set_back_forward_list (GbView *view,
IdeBackForwardList *back_forward_list)
{
GbEditorView *self = (GbEditorView *)view;
g_assert (GB_IS_VIEW (view));
g_assert (IDE_IS_BACK_FORWARD_LIST (back_forward_list));
g_object_set (self->frame1, "back-forward-list", back_forward_list, NULL);
if (self->frame2)
g_object_set (self->frame2, "back-forward-list", back_forward_list, NULL);
}
static void
ide_editor_view_set_back_forward_list (IdeLayoutView *view,
IdeBackForwardList *back_forward_list)
{
IdeEditorView *self = (IdeEditorView *)view;
g_assert (IDE_IS_LAYOUT_VIEW (view));
g_assert (IDE_IS_BACK_FORWARD_LIST (back_forward_list));
g_object_set (self->frame1, "back-forward-list", back_forward_list, NULL);
if (self->frame2)
g_object_set (self->frame2, "back-forward-list", back_forward_list, NULL);
}
static void
navigate_to_cb (GbViewStack *self,
IdeBackForwardItem *item,
IdeBackForwardList *back_forward_list)
{
IdeSourceLocation *srcloc;
g_assert (GB_IS_VIEW_STACK (self));
g_assert (IDE_IS_BACK_FORWARD_ITEM (item));
g_assert (IDE_IS_BACK_FORWARD_LIST (back_forward_list));
srcloc = ide_back_forward_item_get_location (item);
gb_view_stack_focus_location (self, srcloc);
}
static void
ide_back_forward_list_load_cb (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
g_autoptr(GTask) task = user_data;
g_autofree gchar *contents = NULL;
g_auto(GStrv) lines = NULL;
IdeBackForwardList *self;
IdeContext *context;
GError *error = NULL;
GFile *file = (GFile *)object;
gsize length = 0;
gsize n_lines;
gint i;
g_assert (G_IS_FILE (file));
g_assert (G_IS_TASK (task));
self = g_task_get_source_object (task);
g_assert (IDE_IS_BACK_FORWARD_LIST (self));
context = ide_object_get_context (IDE_OBJECT (self));
g_assert (IDE_IS_CONTEXT (context));
if (!g_file_load_contents_finish (file, result, &contents, &length, NULL, &error))
{
g_task_return_error (task, error);
return;
}
if (length > (10 * 1024 * 1024))
{
g_task_return_new_error (task,
G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
"Implausible file size discovered");
return;
}
if (!g_utf8_validate (contents, length, NULL))
{
g_task_return_new_error (task,
G_IO_ERROR,
G_IO_ERROR_INVALID_DATA,
"The content was not UTF-8 formatted");
return;
}
lines = g_strsplit (contents, "\n", 0);
n_lines = g_strv_length (lines);
for (i = n_lines; i > 0; i--)
{
const gchar *line = lines [i - 1];
g_autoptr(IdeUri) uri = NULL;
g_autoptr(IdeBackForwardItem) item = NULL;
g_autofree gchar *new_style_uri = NULL;
char *old_style_uri = NULL;
guint lineno = 0;
guint line_offset = 0;
if (ide_str_empty0 (line))
continue;
/* Convert from old style "LINE OFFSET URI" to new-style "URI". */
if (3 == sscanf (line, "%u %u %ms", &lineno, &line_offset, &old_style_uri))
{
line = new_style_uri = g_strdup_printf ("%s#L%u_%u", old_style_uri, lineno, line_offset);
free (old_style_uri);
}
uri = ide_uri_new (line, 0, &error);
if (uri == NULL)
{
g_task_return_error (task, error);
return;
}
item = ide_back_forward_item_new (context, uri);
ide_back_forward_list_push (self, item);
}
g_task_return_boolean (task, TRUE);
}