'cursor_west' => null,
'four_notation_quantity' => null,
'four_notation_color' => null,
- 'box_shadow' => null,
- 'text_shadow1' => null,
- 'text_shadow2' => null,
'bg_horizontal_percentage' => null,
'bg_horizontal_percentage_x' => null,
);
$patterns['ident'] = "-?{$patterns['nmstart']}{$patterns['nmchar']}*";
$patterns['quantity'] = "{$patterns['num']}(?:\s*{$patterns['unit']}|{$patterns['ident']})?";
$patterns['possibly_negative_quantity'] = "((?:-?{$patterns['quantity']})|(?:inherit|auto))";
- $patterns['color'] = "(#?{$patterns['nmchar']}+|(?:rgba?|hsla?)\([ \d.,%-]+\))";
+ $patterns['color'] = "(#?{$patterns['nmchar']}+)";
$patterns['url_chars'] = "(?:{$patterns['url_special_chars']}|{$patterns['nonAscii']}|{$patterns['escape']})*";
$patterns['lookahead_not_open_brace'] = "(?!({$patterns['nmchar']}|\r?\n|\s|#|\:|\.|\,|\+|>)*?{)";
$patterns['lookahead_not_closing_paren'] = "(?!{$patterns['url_chars']}?{$patterns['valid_after_uri_chars']}\))";
$patterns['rtl_in_url'] = "/{$patterns['lookbehind_not_letter']}(rtl){$patterns['lookahead_for_closing_paren']}/i";
$patterns['cursor_east'] = "/{$patterns['lookbehind_not_letter']}([ns]?)e-resize/";
$patterns['cursor_west'] = "/{$patterns['lookbehind_not_letter']}([ns]?)w-resize/";
- $patterns['four_notation_quantity'] = "/(:\s*){$patterns['possibly_negative_quantity']}(\s+){$patterns['possibly_negative_quantity']}(\s+){$patterns['possibly_negative_quantity']}(\s+){$patterns['possibly_negative_quantity']}(\s*[;}])/i";
- $patterns['four_notation_color'] = "/(-color\s*:\s*){$patterns['color']}(\s+){$patterns['color']}(\s+){$patterns['color']}(\s+){$patterns['color']}(\s*[;}])/i";
- $patterns['box_shadow'] = "/(box-shadow\s*:\s*(?:inset\s*)?){$patterns['possibly_negative_quantity']}/i";
- $patterns['text_shadow1'] = "/(text-shadow\s*:\s*){$patterns['color']}(\s*){$patterns['possibly_negative_quantity']}/i";
- $patterns['text_shadow2'] = "/(text-shadow\s*:\s*){$patterns['possibly_negative_quantity']}/i";
+ $patterns['four_notation_quantity'] = "/{$patterns['possibly_negative_quantity']}(\s+){$patterns['possibly_negative_quantity']}(\s+){$patterns['possibly_negative_quantity']}(\s+){$patterns['possibly_negative_quantity']}/i";
+ $patterns['four_notation_color'] = "/(-color\s*:\s*){$patterns['color']}(\s+){$patterns['color']}(\s+){$patterns['color']}(\s+){$patterns['color']}/i";
// The two regexes below are parenthesized differently then in the original implementation to make the
// callback's job more straightforward
$patterns['bg_horizontal_percentage'] = "/(background(?:-position)?\s*:\s*[^%]*?)(-?{$patterns['num']})(%\s*(?:{$patterns['quantity']}|{$patterns['ident']}))/";
$css = self::fixCursorProperties( $css );
$css = self::fixFourPartNotation( $css );
$css = self::fixBackgroundPosition( $css );
- $css = self::fixShadows( $css );
// Detokenize stuff we tokenized before
$css = $comments->detokenize( $css );
* @return string
*/
private static function fixFourPartNotation( $css ) {
- $css = preg_replace( self::$patterns['four_notation_quantity'], '$1$2$3$8$5$6$7$4$9', $css );
- $css = preg_replace( self::$patterns['four_notation_color'], '$1$2$3$8$5$6$7$4$9', $css );
-
- return $css;
- }
-
- /**
- * Negates horizontal offset in box-shadow and text-shadow rules.
- *
- * @param $css string
- * @return string
- */
- private static function fixShadows( $css ) {
- // Flips the sign of a CSS value, possibly with a unit.
- // (We can't just negate the value with unary minus due to the units.)
- $flipSign = function ( $cssValue ) {
- // Don't mangle zeroes
- if ( intval( $cssValue ) === 0 ) {
- return $cssValue;
- } elseif ( $cssValue[0] === '-' ) {
- return substr( $cssValue, 1 );
- } else {
- return "-" . $cssValue;
- }
- };
-
- $css = preg_replace_callback( self::$patterns['box_shadow'], function ( $matches ) use ( $flipSign ) {
- return $matches[1] . $flipSign( $matches[2] );
- }, $css );
-
- $css = preg_replace_callback( self::$patterns['text_shadow1'], function ( $matches ) use ( $flipSign ) {
- return $matches[1] . $matches[2] . $matches[3] . $flipSign( $matches[4] );
- }, $css );
-
- $css = preg_replace_callback( self::$patterns['text_shadow2'], function ( $matches ) use ( $flipSign ) {
- return $matches[1] . $flipSign( $matches[2] );
- }, $css );
+ $css = preg_replace( self::$patterns['four_notation_quantity'], '$1$2$7$4$5$6$3', $css );
+ $css = preg_replace( self::$patterns['four_notation_color'], '$1$2$3$8$5$6$7$4', $css );
return $css;
}