Merge "mw.ForeignStructuredUpload: Use '{{own}}' template for 'source' field"

[lhc/web/wiklou.git] / includes / libs / CSSMin.php

diff --git a/includes/libs/CSSMin.php b/includes/libs/CSSMin.php
index 2648921..6ca0fed 100644 (file)
--- a/includes/libs/CSSMin.php
+++ b/includes/libs/CSSMin.php
@@ -91,15 +91,16 @@ class CSSMin {
         * non-existent files.
         *
         * @param string $source CSS stylesheet source to process
-        * @param string $path File path where the source wa
+        * @param string $path File path where the source was read from
         * @return array List of local file references
         */
        public static function getAllLocalFileReferences( $source, $path ) {
+               $stripped = preg_replace( '/' . self::COMMENT_REGEX . '/s', '', $source );
                $path = rtrim( $path, '/' ) . '/';
                $files = array();
 
                $rFlags = PREG_OFFSET_CAPTURE | PREG_SET_ORDER;
-               if ( preg_match_all( '/' . self::URL_REGEX . '/', $source, $matches, $rFlags ) ) {
+               if ( preg_match_all( '/' . self::URL_REGEX . '/', $stripped, $matches, $rFlags ) ) {
                        foreach ( $matches as $match ) {
                                $url = $match['file'][0];
 
@@ -179,6 +180,25 @@ class CSSMin {
                return false;
        }
 
+       /**
+        * Serialize a string (escape and quote) for use as a CSS string value.
+        * http://www.w3.org/TR/2013/WD-cssom-20131205/#serialize-a-string
+        *
+        * @param string $value
+        * @return string
+        * @throws Exception
+        */
+       public static function serializeStringValue( $value ) {
+               if ( strstr( $value, "\0" ) ) {
+                       throw new Exception( "Invalid character in CSS string" );
+               }
+               $value = strtr( $value, array( '\\' => '\\\\', '"' => '\\"' ) );
+               $value = preg_replace_callback( '/[\x01-\x1f\x7f-\x9f]/', function ( $match ) {
+                       return '\\' . base_convert( ord( $match[0] ), 10, 16 ) . ' ';
+               }, $value );
+               return '"' . $value . '"';
+       }
+
        /**
         * @param $file string
         * @return bool|string
@@ -284,7 +304,17 @@ class CSSMin {
                                // Check for global @embed comment and remove it. Allow other comments to be present
                                // before @embed (they have been replaced with placeholders at this point).
                                $embedAll = false;
-                               $rule = preg_replace( '/^((?:\s+|' . CSSMin::PLACEHOLDER . '(\d+)x)*)' . CSSMin::EMBED_REGEX . '\s*/', '$1', $rule, 1, $embedAll );
+                               $rule = preg_replace(
+                                       '/^((?:\s+|' .
+                                               CSSMin::PLACEHOLDER .
+                                               '(\d+)x)*)' .
+                                               CSSMin::EMBED_REGEX .
+                                               '\s*/',
+                                       '$1',
+                                       $rule,
+                                       1,
+                                       $embedAll
+                               );
 
                                // Build two versions of current rule: with remapped URLs
                                // and with embedded data: URIs (where possible).