+static gboolean
+parse_transition (GtkCssShorthandProperty *shorthand,
+ GtkCssValue **values,
+ GtkCssParser *parser)
+{
+ GtkCssValue *step_values[4];
+ GPtrArray *arrays[4];
+ guint i;
+
+ for (i = 0; i < 4; i++)
+ {
+ arrays[i] = g_ptr_array_new ();
+ step_values[i] = NULL;
+ }
+
+ do {
+ if (!parse_one_transition (shorthand, step_values, parser))
+ {
+ for (i = 0; i < 4; i++)
+ {
+ g_ptr_array_set_free_func (arrays[i], (GDestroyNotify) _gtk_css_value_unref);
+ g_ptr_array_unref (arrays[i]);
+ }
+ return FALSE;
+ }
+
+ for (i = 0; i < 4; i++)
+ {
+ if (step_values[i] == NULL)
+ {
+ GtkCssValue *initial = _gtk_css_style_property_get_initial_value (
+ _gtk_css_shorthand_property_get_subproperty (shorthand, i));
+ step_values[i] = _gtk_css_value_ref (_gtk_css_array_value_get_nth (initial, 0));
+ }
+
+ g_ptr_array_add (arrays[i], step_values[i]);
+ step_values[i] = NULL;
+ }
+ } while (_gtk_css_parser_try (parser, ",", TRUE));
+
+ for (i = 0; i < 4; i++)
+ {
+ values[i] = _gtk_css_array_value_new_from_array ((GtkCssValue **) arrays[i]->pdata, arrays[i]->len);
+ g_ptr_array_unref (arrays[i]);
+ }
+
+ return TRUE;
+}
+
+static gboolean
+parse_one_animation (GtkCssShorthandProperty *shorthand,
+ GtkCssValue **values,
+ GtkCssParser *parser)
+{
+ do
+ {
+ if (values[1] == NULL && _gtk_css_parser_try (parser, "infinite", TRUE))
+ {
+ values[1] = _gtk_css_number_value_new (HUGE_VAL, GTK_CSS_NUMBER);
+ }
+ else if ((values[1] == NULL || values[3] == NULL) &&
+ _gtk_css_parser_has_number (parser))
+ {
+ GtkCssValue *value;
+
+ value = _gtk_css_number_value_parse (parser,
+ GTK_CSS_POSITIVE_ONLY
+ | (values[1] == NULL ? GTK_CSS_PARSE_NUMBER : 0)
+ | (values[3] == NULL ? GTK_CSS_PARSE_TIME : 0));
+ if (_gtk_css_number_value_get_unit (value) == GTK_CSS_NUMBER)
+ values[1] = value;
+ else if (values[2] == NULL)
+ values[2] = value;
+ else
+ values[3] = value;
+ }
+ else if (values[4] == NULL &&
+ _gtk_css_ease_value_can_parse (parser))
+ {
+ values[4] = _gtk_css_ease_value_parse (parser);
+
+ if (values[4] == NULL)
+ return FALSE;
+ }
+ else if (values[5] == NULL &&
+ (values[5] = _gtk_css_direction_value_try_parse (parser)))
+ {
+ /* nothing to do */
+ }
+ else if (values[6] == NULL &&
+ (values[6] = _gtk_css_fill_mode_value_try_parse (parser)))
+ {
+ /* nothing to do */
+ }
+ else if (values[0] == NULL &&
+ (values[0] = _gtk_css_ident_value_try_parse (parser)))
+ {
+ /* nothing to do */
+ /* keep in mind though that this needs to come last as fill modes, directions
+ * etc are valid idents */
+ }
+ else
+ {
+ /* We parsed everything and there's still stuff left?
+ * Pretend we didn't notice and let the normal code produce
+ * a 'junk at end of value' error */
+ break;
+ }
+ }
+ while (!value_is_done_parsing (parser));
+
+ return TRUE;
+}
+
+static gboolean
+parse_animation (GtkCssShorthandProperty *shorthand,
+ GtkCssValue **values,
+ GtkCssParser *parser)
+{
+ GtkCssValue *step_values[7];
+ GPtrArray *arrays[6];
+ guint i;
+
+ for (i = 0; i < 6; i++)
+ {
+ arrays[i] = g_ptr_array_new ();
+ step_values[i] = NULL;
+ }
+
+ step_values[6] = NULL;
+
+ do {
+ if (!parse_one_animation (shorthand, step_values, parser))
+ {
+ for (i = 0; i < 6; i++)
+ {
+ g_ptr_array_set_free_func (arrays[i], (GDestroyNotify) _gtk_css_value_unref);
+ g_ptr_array_unref (arrays[i]);
+ }
+ return FALSE;
+ }
+
+ for (i = 0; i < 6; i++)
+ {
+ if (step_values[i] == NULL)
+ {
+ GtkCssValue *initial = _gtk_css_style_property_get_initial_value (
+ _gtk_css_shorthand_property_get_subproperty (shorthand, i));
+ step_values[i] = _gtk_css_value_ref (_gtk_css_array_value_get_nth (initial, 0));
+ }
+
+ g_ptr_array_add (arrays[i], step_values[i]);
+ step_values[i] = NULL;
+ }
+ } while (_gtk_css_parser_try (parser, ",", TRUE));
+
+ for (i = 0; i < 6; i++)
+ {
+ values[i] = _gtk_css_array_value_new_from_array ((GtkCssValue **) arrays[i]->pdata, arrays[i]->len);
+ g_ptr_array_unref (arrays[i]);
+ }
+
+ values[6] = step_values[6];
+
+ return TRUE;
+}
+