Bug 387511: CSs scanner causes parse error for URLs starting with a codepoint > 255. r+sr=bzbarsky, a=dbaron

layout/style/nsCSSScanner.cpp

@@ -747,7 +747,6 @@ PRBool nsCSSScanner::NextURL(nsresult& aErrorCode, nsCSSToken& aToken)
   if (ch < 0) {
     return PR_FALSE;
   }
-  if (ch < 256) {
   PRUint8* lexTable = gLexTable;
 
   // STRING
@@ -756,7 +755,7 @@ PRBool nsCSSScanner::NextURL(nsresult& aErrorCode, nsCSSToken& aToken)
   }
 
   // WS
-    if ((lexTable[ch] & IS_WHITESPACE) != 0) {
+  if (ch < 256 && (lexTable[ch] & IS_WHITESPACE) != 0) {
     aToken.mType = eCSSToken_WhiteSpace;
     aToken.mIdent.Assign(PRUnichar(ch));
     (void) EatWhiteSpace(aErrorCode);
@@ -836,7 +835,6 @@ PRBool nsCSSScanner::NextURL(nsresult& aErrorCode, nsCSSToken& aToken)
       aToken.mType = eCSSToken_URL;
     }
   }
-  }
   return PR_TRUE;
 }
 

layout/style/test/test_parse_rule.html

@@ -178,8 +178,7 @@ todo: {"#a::before {content: 'This is \\a" : 1}
   tests : [
 "#a {background: url() blue}",
 "#a {background: url(怀) blue}",
-], prop: "backgroundColor", pseudo: "",
-todo: {"#a {background: url(怀) blue}" : 1}
+], prop: "backgroundColor", pseudo: ""
 }
 
 ];