Support type selector for camel-cased SVG elements in HTML.

Source/core/css/CSSSelector.h

 /*
  * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
  *               1999 Waldo Bastian (bastian@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 2013 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 13 matching lines @@
 
 #include "core/CoreExport.h"
 #include "core/dom/QualifiedName.h"
 #include "core/style/ComputedStyleConstants.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace blink {
     class CSSSelectorList;
 
+    enum TagSelectorCase { TagLowerCase, TagCamelCase };
+
     // This class represents a selector for a StyleRule.
 
     // CSS selector representation is somewhat complicated and subtle. A representative list of selectors is
     // in CSSSelectorTest; run it in a debug build to see useful debugging output.
     //
     // ** tagHistory() and relation():
     //
     // Selectors are represented as a linked list of simple selectors (defined more or less according to
     // http://www.w3.org/TR/css3-selectors/#simple-selectors-dfn). The tagHistory() method returns the next
     // simple selector in the list. The relation() method returns the relationship of the current simple selector to
@@ skipping 33 matching lines @@
     // ** isCustomPseudoElement():
     //
     // It appears this is used only for pseudo elements that appear in user-agent shadow DOM. They are not exposed to author-created
     // shadow DOM.
 
     class CORE_EXPORT CSSSelector {
         WTF_MAKE_FAST_ALLOCATED(CSSSelector);
     public:
         CSSSelector();
         CSSSelector(const CSSSelector&);
-        explicit CSSSelector(const QualifiedName&, bool tagIsImplicit = false);
+        explicit CSSSelector(const QualifiedName&, bool tagIsImplicit = false, TagSelectorCase = TagLowerCase);
 
         ~CSSSelector();
 
         /**
          * Re-create selector text from selector's data
          */
         String selectorText(const String& = "") const;
 
         // checks if the 2 selectors (including sub selectors) agree.
         bool operator==(const CSSSelector&) const;
@@ skipping 215 matching lines @@
         void setNotLastInTagHistory() { m_isLastInTagHistory = false; }
 
         // http://dev.w3.org/csswg/selectors4/#compound
         bool isCompound() const;
 
         bool isForPage() const { return m_isForPage; }
         void setForPage() { m_isForPage = true; }
 
         bool relationIsAffectedByPseudoContent() const { return m_relationIsAffectedByPseudoContent; }
         void setRelationIsAffectedByPseudoContent() { m_relationIsAffectedByPseudoContent = true; }
+        bool tagIsCamelCase() const { return m_tagSelectorCase == TagCamelCase; }
+        void setTagIsCamelCase() { m_tagSelectorCase = TagCamelCase; }
 
     private:
         unsigned m_relation           : 3; // enum Relation
         mutable unsigned m_match      : 4; // enum Match
         mutable unsigned m_pseudoType : 8; // PseudoType
         mutable unsigned m_parsedNth      : 1; // Used for :nth-*
         unsigned m_isLastInSelectorList   : 1;
         unsigned m_isLastInTagHistory     : 1;
         unsigned m_hasRareData            : 1;
         unsigned m_isForPage              : 1;
         unsigned m_tagIsImplicit          : 1;
+        unsigned m_tagSelectorCase        : 1; // enum TagSelectorCase
         unsigned m_relationIsAffectedByPseudoContent  : 1;
 
         unsigned specificityForOneSelector() const;
         unsigned specificityForPage() const;
         void extractPseudoType() const;
 
         // Hide.
         CSSSelector& operator=(const CSSSelector&);
 
         struct RareData : public RefCounted<RareData> {
@@ skipping 125 matching lines @@
 inline CSSSelector::CSSSelector()
     : m_relation(SubSelector)
     , m_match(Unknown)
     , m_pseudoType(PseudoNotParsed)
     , m_parsedNth(false)
     , m_isLastInSelectorList(false)
     , m_isLastInTagHistory(true)
     , m_hasRareData(false)
     , m_isForPage(false)
     , m_tagIsImplicit(false)
+    , m_tagSelectorCase(TagLowerCase)
     , m_relationIsAffectedByPseudoContent(false)
 {
 }
 
-inline CSSSelector::CSSSelector(const QualifiedName& tagQName, bool tagIsImplicit)
+inline CSSSelector::CSSSelector(const QualifiedName& tagQName, bool tagIsImplicit, TagSelectorCase tagSelectorCase)
     : m_relation(SubSelector)
     , m_match(Tag)
     , m_pseudoType(PseudoNotParsed)
     , m_parsedNth(false)
     , m_isLastInSelectorList(false)
     , m_isLastInTagHistory(true)
     , m_hasRareData(false)
     , m_isForPage(false)
     , m_tagIsImplicit(tagIsImplicit)
+    , m_tagSelectorCase(tagSelectorCase)
     , m_relationIsAffectedByPseudoContent(false)
 {
     m_data.m_tagQName = tagQName.impl();
     m_data.m_tagQName->ref();
 }
 
 inline CSSSelector::CSSSelector(const CSSSelector& o)
     : m_relation(o.m_relation)
     , m_match(o.m_match)
     , m_pseudoType(o.m_pseudoType)
     , m_parsedNth(o.m_parsedNth)
     , m_isLastInSelectorList(o.m_isLastInSelectorList)
     , m_isLastInTagHistory(o.m_isLastInTagHistory)
     , m_hasRareData(o.m_hasRareData)
     , m_isForPage(o.m_isForPage)
     , m_tagIsImplicit(o.m_tagIsImplicit)
+    , m_tagSelectorCase(o.m_tagSelectorCase)
     , m_relationIsAffectedByPseudoContent(o.m_relationIsAffectedByPseudoContent)
 {
     if (o.m_match == Tag) {
         m_data.m_tagQName = o.m_data.m_tagQName;
         m_data.m_tagQName->ref();
     } else if (o.m_hasRareData) {
         m_data.m_rareData = o.m_data.m_rareData;
         m_data.m_rareData->ref();
     } else if (o.m_data.m_value) {
         m_data.m_value = o.m_data.m_value;
@@ skipping 23 matching lines @@
     if (m_hasRareData)
         return m_data.m_rareData->m_value;
     // AtomicString is really just a StringImpl* so the cast below is safe.
     // FIXME: Perhaps call sites could be changed to accept StringImpl?
     return *reinterpret_cast<const AtomicString*>(&m_data.m_value);
 }
 
 } // namespace blink
 
 #endif // CSSSelector_h