static GtkCssValue *
gtk_css_win32_size_value_parse_size (GtkCssValue *value,
GtkCssParser *parser)
{
char *name;
name = _gtk_css_parser_try_ident (parser, TRUE);
if (name)
{
value->val.size.id = gtk_win32_get_sys_metric_id_for_name (name);
if (value->val.size.id == -1)
{
_gtk_css_parser_error (parser, "'%s' is not a name for a win32 metric.", name);
_gtk_css_value_unref (value);
g_free (name);
return NULL;
}
g_free (name);
}
else if (!_gtk_css_parser_try_int (parser, &value->val.size.id))
{
_gtk_css_value_unref (value);
_gtk_css_parser_error (parser, "Expected an integer ID");
return NULL;
}
return value;
}
static gboolean
enum_value_parse (GtkCssParser *parser,
GFile *base,
GValue *value)
{
GEnumClass *enum_class;
GEnumValue *enum_value;
char *str;
str = _gtk_css_parser_try_ident (parser, TRUE);
if (str == NULL)
{
_gtk_css_parser_error (parser, "Expected an identifier");
return FALSE;
}
enum_class = g_type_class_ref (G_VALUE_TYPE (value));
enum_value = g_enum_get_value_by_nick (enum_class, str);
if (enum_value)
g_value_set_enum (value, enum_value->value);
else
_gtk_css_parser_error (parser,
"Unknown value '%s' for enum type '%s'",
str, g_type_name (G_VALUE_TYPE (value)));
g_type_class_unref (enum_class);
g_free (str);
return enum_value != NULL;
}
static gboolean
theming_engine_value_parse (GtkCssParser *parser,
GFile *base,
GValue *value)
{
GtkThemingEngine *engine;
char *str;
str = _gtk_css_parser_try_ident (parser, TRUE);
if (str == NULL)
{
_gtk_css_parser_error (parser, "Expected a valid theme name");
return FALSE;
}
engine = gtk_theming_engine_load (str);
if (engine == NULL)
{
_gtk_css_parser_error (parser, "Themeing engine '%s' not found", str);
g_free (str);
return FALSE;
}
g_value_set_object (value, engine);
g_free (str);
return TRUE;
}
gboolean
_gtk_css_parser_try_enum (GtkCssParser *parser,
GType enum_type,
int *value)
{
GEnumClass *enum_class;
gboolean result;
const char *start;
char *str;
g_return_val_if_fail (GTK_IS_CSS_PARSER (parser), FALSE);
g_return_val_if_fail (value != NULL, FALSE);
result = FALSE;
enum_class = g_type_class_ref (enum_type);
start = parser->data;
str = _gtk_css_parser_try_ident (parser, TRUE);
if (str == NULL)
return FALSE;
if (enum_class->n_values)
{
GEnumValue *enum_value;
for (enum_value = enum_class->values; enum_value->value_name; enum_value++)
{
if (enum_value->value_nick &&
g_ascii_strcasecmp (str, enum_value->value_nick) == 0)
{
*value = enum_value->value;
result = TRUE;
break;
}
}
}
g_free (str);
g_type_class_unref (enum_class);
if (!result)
parser->data = start;
return result;
}
static gboolean
flags_value_parse (GtkCssParser *parser,
GFile *base,
GValue *value)
{
GFlagsClass *flags_class;
GFlagsValue *flag_value;
guint flags = 0;
char *str;
flags_class = g_type_class_ref (G_VALUE_TYPE (value));
do {
str = _gtk_css_parser_try_ident (parser, TRUE);
if (str == NULL)
{
_gtk_css_parser_error (parser, "Expected an identifier");
g_type_class_unref (flags_class);
return FALSE;
}
flag_value = g_flags_get_value_by_nick (flags_class, str);
if (!flag_value)
{
_gtk_css_parser_error (parser,
"Unknown flag value '%s' for type '%s'",
str, g_type_name (G_VALUE_TYPE (value)));
/* XXX Do we want to return FALSE here? We can get
* forward-compatibility for new values this way
*/
g_free (str);
g_type_class_unref (flags_class);
return FALSE;
}
g_free (str);
}
while (_gtk_css_parser_try (parser, ",", FALSE));
g_type_class_unref (flags_class);
g_value_set_enum (value, flags);
return TRUE;
}
static gboolean
bindings_value_parse (GtkCssParser *parser,
GFile *base,
GValue *value)
{
GPtrArray *array;
GtkBindingSet *binding_set;
char *name;
array = g_ptr_array_new ();
do {
name = _gtk_css_parser_try_ident (parser, TRUE);
if (name == NULL)
{
_gtk_css_parser_error (parser, "Not a valid binding name");
g_ptr_array_free (array, TRUE);
return FALSE;
}
binding_set = gtk_binding_set_find (name);
if (!binding_set)
{
_gtk_css_parser_error (parser, "No binding set named '%s'", name);
g_free (name);
continue;
}
g_ptr_array_add (array, binding_set);
g_free (name);
}
while (_gtk_css_parser_try (parser, ",", TRUE));
g_value_take_boxed (value, array);
return TRUE;
}
static gboolean
enum_parse (GtkCssParser *parser,
GType type,
int *res)
{
char *str;
if (_gtk_css_parser_try_enum (parser, type, res))
return TRUE;
str = _gtk_css_parser_try_ident (parser, TRUE);
if (str == NULL)
{
_gtk_css_parser_error (parser, "Expected an identifier");
return FALSE;
}
_gtk_css_parser_error (parser,
"Unknown value '%s' for enum type '%s'",
str, g_type_name (type));
g_free (str);
return FALSE;
}
GtkCssValue *
_gtk_css_number_value_parse (GtkCssParser *parser,
GtkCssNumberParseFlags flags)
{
static const struct {
const char *name;
GtkCssUnit unit;
GtkCssNumberParseFlags required_flags;
} units[] = {
{ "px", GTK_CSS_PX, GTK_CSS_PARSE_LENGTH },
{ "pt", GTK_CSS_PT, GTK_CSS_PARSE_LENGTH },
{ "em", GTK_CSS_EM, GTK_CSS_PARSE_LENGTH },
{ "ex", GTK_CSS_EX, GTK_CSS_PARSE_LENGTH },
{ "pc", GTK_CSS_PC, GTK_CSS_PARSE_LENGTH },
{ "in", GTK_CSS_IN, GTK_CSS_PARSE_LENGTH },
{ "cm", GTK_CSS_CM, GTK_CSS_PARSE_LENGTH },
{ "mm", GTK_CSS_MM, GTK_CSS_PARSE_LENGTH },
{ "rad", GTK_CSS_RAD, GTK_CSS_PARSE_ANGLE },
{ "deg", GTK_CSS_DEG, GTK_CSS_PARSE_ANGLE },
{ "grad", GTK_CSS_GRAD, GTK_CSS_PARSE_ANGLE },
{ "turn", GTK_CSS_TURN, GTK_CSS_PARSE_ANGLE },
{ "s", GTK_CSS_S, GTK_CSS_PARSE_TIME },
{ "ms", GTK_CSS_MS, GTK_CSS_PARSE_TIME }
};
char *end, *unit_name;
double value;
GtkCssUnit unit;
g_return_val_if_fail (GTK_IS_CSS_PARSER (parser), NULL);
errno = 0;
value = g_ascii_strtod (parser->data, &end);
if (errno)
{
_gtk_css_parser_error (parser, "not a number: %s", g_strerror (errno));
return NULL;
}
if (parser->data == end)
{
_gtk_css_parser_error (parser, "not a number");
return NULL;
}
parser->data = end;
if (flags & GTK_CSS_POSITIVE_ONLY &&
value < 0)
{
_gtk_css_parser_error (parser, "negative values are not allowed.");
return NULL;
}
unit_name = _gtk_css_parser_try_ident (parser, FALSE);
if (unit_name)
{
guint i;
for (i = 0; i < G_N_ELEMENTS (units); i++)
{
if (flags & units[i].required_flags &&
g_ascii_strcasecmp (unit_name, units[i].name) == 0)
break;
}
if (i >= G_N_ELEMENTS (units))
{
_gtk_css_parser_error (parser, "`%s' is not a valid unit.", unit_name);
g_free (unit_name);
return NULL;
}
unit = units[i].unit;
g_free (unit_name);
}
else
{
if ((flags & GTK_CSS_PARSE_PERCENT) &&
_gtk_css_parser_try (parser, "%", FALSE))
{
unit = GTK_CSS_PERCENT;
}
else if (value == 0.0)
{
if (flags & GTK_CSS_PARSE_NUMBER)
unit = GTK_CSS_NUMBER;
else if (flags & GTK_CSS_PARSE_LENGTH)
unit = GTK_CSS_PX;
else if (flags & GTK_CSS_PARSE_ANGLE)
unit = GTK_CSS_DEG;
else if (flags & GTK_CSS_PARSE_TIME)
unit = GTK_CSS_S;
else
unit = GTK_CSS_PERCENT;
}
else if (flags & GTK_CSS_NUMBER_AS_PIXELS)
{
_gtk_css_parser_error_full (parser,
GTK_CSS_PROVIDER_ERROR_DEPRECATED,
"Not using units is deprecated. Assuming 'px'.");
unit = GTK_CSS_PX;
}
else if (flags & GTK_CSS_PARSE_NUMBER)
{
unit = GTK_CSS_NUMBER;
}
else
{
_gtk_css_parser_error (parser, "Unit is missing.");
return NULL;
}
}
_gtk_css_parser_skip_whitespace (parser);
return _gtk_css_number_value_new (value, unit);
}
