static gboolean
parse_border_radius (GtkCssShorthandProperty *shorthand,
GtkCssValue **values,
GtkCssParser *parser)
{
GtkCssValue *x[4] = { NULL, }, *y[4] = { NULL, };
guint i;
for (i = 0; i < 4; i++)
{
if (!gtk_css_number_value_can_parse (parser))
break;
x[i] = _gtk_css_number_value_parse (parser,
GTK_CSS_POSITIVE_ONLY
| GTK_CSS_PARSE_PERCENT
| GTK_CSS_NUMBER_AS_PIXELS
| GTK_CSS_PARSE_LENGTH);
if (x[i] == NULL)
goto fail;
}
if (i == 0)
{
_gtk_css_parser_error (parser, "Expected a number");
goto fail;
}
/* The magic (i - 1) >> 1 below makes it take the correct value
* according to spec. Feel free to check the 4 cases
*/
for (; i < 4; i++)
x[i] = _gtk_css_value_ref (x[(i - 1) >> 1]);
if (_gtk_css_parser_try (parser, "/", TRUE))
{
for (i = 0; i < 4; i++)
{
if (!gtk_css_number_value_can_parse (parser))
break;
y[i] = _gtk_css_number_value_parse (parser,
GTK_CSS_POSITIVE_ONLY
| GTK_CSS_PARSE_PERCENT
| GTK_CSS_NUMBER_AS_PIXELS
| GTK_CSS_PARSE_LENGTH);
if (y[i] == NULL)
goto fail;
}
if (i == 0)
{
_gtk_css_parser_error (parser, "Expected a number");
goto fail;
}
for (; i < 4; i++)
y[i] = _gtk_css_value_ref (y[(i - 1) >> 1]);
}
else
{
for (i = 0; i < 4; i++)
static gboolean
parse_four_numbers (GtkCssShorthandProperty *shorthand,
GtkCssValue **values,
GtkCssParser *parser,
GtkCssNumberParseFlags flags)
{
guint i;
for (i = 0; i < 4; i++)
{
if (!gtk_css_number_value_can_parse (parser))
break;
values[i] = _gtk_css_number_value_parse (parser, flags);
if (values[i] == NULL)
return FALSE;
}
if (i == 0)
{
_gtk_css_parser_error (parser, "Expected a length");
return FALSE;
}
for (; i < 4; i++)
{
values[i] = _gtk_css_value_ref (values[(i - 1) >> 1]);
}
return TRUE;
}
GtkCssValue *
_gtk_css_bg_size_value_parse (GtkCssParser *parser)
{
GtkCssValue *x, *y;
if (_gtk_css_parser_try (parser, "cover", TRUE))
return _gtk_css_value_ref (&cover_singleton);
else if (_gtk_css_parser_try (parser, "contain", TRUE))
return _gtk_css_value_ref (&contain_singleton);
if (_gtk_css_parser_try (parser, "auto", TRUE))
x = NULL;
else
{
x = _gtk_css_number_value_parse (parser,
GTK_CSS_POSITIVE_ONLY
| GTK_CSS_PARSE_PERCENT
| GTK_CSS_PARSE_LENGTH);
if (x == NULL)
return NULL;
}
if (_gtk_css_parser_try (parser, "auto", TRUE))
y = NULL;
else if (!gtk_css_number_value_can_parse (parser))
y = NULL;
else
{
y = _gtk_css_number_value_parse (parser,
GTK_CSS_POSITIVE_ONLY
| GTK_CSS_PARSE_PERCENT
| GTK_CSS_PARSE_LENGTH);
if (y == NULL)
{
_gtk_css_value_unref (x);
return NULL;
}
}
return _gtk_css_bg_size_value_new (x, y);
}
static gboolean
gtk_css_image_linear_parse (GtkCssImage *image,
GtkCssParser *parser)
{
GtkCssImageLinear *linear = GTK_CSS_IMAGE_LINEAR (image);
guint i;
if (_gtk_css_parser_try (parser, "repeating-linear-gradient(", TRUE))
linear->repeating = TRUE;
else if (_gtk_css_parser_try (parser, "linear-gradient(", TRUE))
linear->repeating = FALSE;
else
{
_gtk_css_parser_error (parser, "Not a linear gradient");
return FALSE;
}
if (_gtk_css_parser_try (parser, "to", TRUE))
{
for (i = 0; i < 2; i++)
{
if (_gtk_css_parser_try (parser, "left", TRUE))
{
if (linear->side & ((1 << GTK_CSS_LEFT) | (1 << GTK_CSS_RIGHT)))
{
_gtk_css_parser_error (parser, "Expected 'top', 'bottom' or comma");
return FALSE;
}
linear->side |= (1 << GTK_CSS_LEFT);
}
else if (_gtk_css_parser_try (parser, "right", TRUE))
{
if (linear->side & ((1 << GTK_CSS_LEFT) | (1 << GTK_CSS_RIGHT)))
{
_gtk_css_parser_error (parser, "Expected 'top', 'bottom' or comma");
return FALSE;
}
linear->side |= (1 << GTK_CSS_RIGHT);
}
else if (_gtk_css_parser_try (parser, "top", TRUE))
{
if (linear->side & ((1 << GTK_CSS_TOP) | (1 << GTK_CSS_BOTTOM)))
{
_gtk_css_parser_error (parser, "Expected 'left', 'right' or comma");
return FALSE;
}
linear->side |= (1 << GTK_CSS_TOP);
}
else if (_gtk_css_parser_try (parser, "bottom", TRUE))
{
if (linear->side & ((1 << GTK_CSS_TOP) | (1 << GTK_CSS_BOTTOM)))
{
_gtk_css_parser_error (parser, "Expected 'left', 'right' or comma");
return FALSE;
}
linear->side |= (1 << GTK_CSS_BOTTOM);
}
else
break;
}
if (linear->side == 0)
{
_gtk_css_parser_error (parser, "Expected side that gradient should go to");
return FALSE;
}
if (!_gtk_css_parser_try (parser, ",", TRUE))
{
_gtk_css_parser_error (parser, "Expected a comma");
return FALSE;
}
}
else if (gtk_css_number_value_can_parse (parser))
{
linear->angle = _gtk_css_number_value_parse (parser, GTK_CSS_PARSE_ANGLE);
if (linear->angle == NULL)
return FALSE;
if (!_gtk_css_parser_try (parser, ",", TRUE))
{
_gtk_css_parser_error (parser, "Expected a comma");
return FALSE;
}
}
else
linear->side = 1 << GTK_CSS_BOTTOM;
do {
GtkCssImageLinearColorStop stop;
stop.color = _gtk_css_color_value_parse (parser);
if (stop.color == NULL)
return FALSE;
if (gtk_css_number_value_can_parse (parser))
{
stop.offset = _gtk_css_number_value_parse (parser,
GTK_CSS_PARSE_PERCENT
| GTK_CSS_PARSE_LENGTH);
if (stop.offset == NULL)
{
_gtk_css_value_unref (stop.color);
return FALSE;
}
}
else
{
stop.offset = NULL;
}
g_array_append_val (linear->stops, stop);
} while (_gtk_css_parser_try (parser, ",", TRUE));
if (linear->stops->len < 2)
{
_gtk_css_parser_error_full (parser,
GTK_CSS_PROVIDER_ERROR_DEPRECATED,
"Using one color stop with %s() is deprecated.",
linear->repeating ? "repeating-linear-gradient" : "linear-gradient");
}
if (!_gtk_css_parser_try (parser, ")", TRUE))
{
_gtk_css_parser_error (parser, "Missing closing bracket at end of linear gradient");
return FALSE;
}
return TRUE;
}
