static GtkCssValue *
gtk_css_style_property_parse_value (GtkStyleProperty *property,
GtkCssParser *parser)
{
GtkCssStyleProperty *style_property = GTK_CSS_STYLE_PROPERTY (property);
if (_gtk_css_parser_try (parser, "initial", TRUE))
{
/* the initial value can be explicitly specified with the
* ‘initial’ keyword which all properties accept.
*/
return _gtk_css_initial_value_new ();
}
else if (_gtk_css_parser_try (parser, "inherit", TRUE))
{
/* All properties accept the ‘inherit’ value which
* explicitly specifies that the value will be determined
* by inheritance. The ‘inherit’ value can be used to
* strengthen inherited values in the cascade, and it can
* also be used on properties that are not normally inherited.
*/
return _gtk_css_inherit_value_new ();
}
else if (_gtk_css_parser_try (parser, "unset", TRUE))
{
/* If the cascaded value of a property is the unset keyword,
* then if it is an inherited property, this is treated as
* inherit, and if it is not, this is treated as initial.
*/
return _gtk_css_unset_value_new ();
}
return (* style_property->parse_value) (style_property, parser);
}
static GtkCssValue *
gtk_css_shorthand_property_parse_value (GtkStyleProperty *property,
GtkCssParser *parser)
{
GtkCssShorthandProperty *shorthand = GTK_CSS_SHORTHAND_PROPERTY (property);
GtkCssValue **data;
GtkCssValue *result;
guint i;
data = g_new0 (GtkCssValue *, shorthand->subproperties->len);
if (_gtk_css_parser_try (parser, "initial", TRUE))
{
/* the initial value can be explicitly specified with the
* ‘initial’ keyword which all properties accept.
*/
for (i = 0; i < shorthand->subproperties->len; i++)
{
data[i] = _gtk_css_initial_value_new ();
}
}
else if (_gtk_css_parser_try (parser, "inherit", TRUE))
{
/* All properties accept the ‘inherit’ value which
* explicitly specifies that the value will be determined
* by inheritance. The ‘inherit’ value can be used to
* strengthen inherited values in the cascade, and it can
* also be used on properties that are not normally inherited.
*/
for (i = 0; i < shorthand->subproperties->len; i++)
{
data[i] = _gtk_css_inherit_value_new ();
}
}
else if (_gtk_css_parser_try (parser, "unset", TRUE))
{
/* If the cascaded value of a property is the unset keyword,
* then if it is an inherited property, this is treated as
* inherit, and if it is not, this is treated as initial.
*/
for (i = 0; i < shorthand->subproperties->len; i++)
{
data[i] = _gtk_css_unset_value_new ();
}
}
else if (!shorthand->parse (shorthand, data, parser))
{
for (i = 0; i < shorthand->subproperties->len; i++)
{
if (data[i] != NULL)
_gtk_css_value_unref (data[i]);
}
g_free (data);
return NULL;
}
/* All values that aren't set by the parse func are set to their
* default values here.
* XXX: Is the default always initial or can it be inherit? */
for (i = 0; i < shorthand->subproperties->len; i++)
{
if (data[i] == NULL)
data[i] = _gtk_css_initial_value_new ();
}
result = _gtk_css_array_value_new_from_array (data, shorthand->subproperties->len);
g_free (data);
return result;
}
