A thread-safe Media Query Parser

Source/core/css/parser/BisonCSSParser-in.cpp

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  * Copyright (C) 2012 Intel Corporation. All rights reserved.
  *
@@ skipping 10115 matching lines @@
     unsigned length = string.length();
 
     if (!length)
         return CSSPropertyInvalid;
     if (length > maxCSSPropertyNameLength)
         return CSSPropertyInvalid;
 
     return string.is8Bit() ? cssPropertyID(string.characters8(), length) : cssPropertyID(string.characters16(), length);
 }
 
-template <typename CharacterType>
-static CSSValueID cssValueKeywordID(const CharacterType* valueKeyword, unsigned length)
-{
-    char buffer[maxCSSValueKeywordLength + 1]; // 1 for null character
-
-    for (unsigned i = 0; i != length; ++i) {
-        CharacterType c = valueKeyword[i];
-        if (c == 0 || c >= 0x7F)
-            return CSSValueInvalid; // illegal character
-        buffer[i] = WTF::toASCIILower(c);
-    }
-    buffer[length] = '\0';
-
-    const Value* hashTableEntry = findValue(buffer, length);
-    return hashTableEntry ? static_cast<CSSValueID>(hashTableEntry->id) : CSSValueInvalid;
-}
-
-CSSValueID cssValueKeywordID(const CSSParserString& string)
-{
-    unsigned length = string.length();
-    if (!length)
-        return CSSValueInvalid;
-    if (length > maxCSSValueKeywordLength)
-        return CSSValueInvalid;
-
-    return string.is8Bit() ? cssValueKeywordID(string.characters8(), length) : cssValueKeywordID(string.characters16(), length);
-}
-
 bool isValidNthToken(const CSSParserString& token)
 {
     // The tokenizer checks for the construct of an+b.
     // However, since the {ident} rule precedes the {nth} rule, some of those
     // tokens are identified as string literal. Furthermore we need to accept
     // "odd" and "even" which does not match to an+b.
     return equalIgnoringCase(token, "odd") || equalIgnoringCase(token, "even")
         || equalIgnoringCase(token, "n") || equalIgnoringCase(token, "-n");
 }
 
 }