Implement the Custom Elements :unresolved pseudoclass

Source/core/css/CSSSelector.cpp

 /*
  * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org)
  *               1999 Waldo Bastian (bastian@kde.org)
  *               2001 Andreas Schlapbach (schlpbch@iam.unibe.ch)
  *               2001-2003 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2002, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2010 Google 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 #include "core/css/CSSSelector.h"
 
 #include "HTMLNames.h"
+#include "RuntimeEnabledFeatures.h"
 #include "core/css/CSSOMUtils.h"
 #include "core/css/CSSSelectorList.h"
 #include <wtf/Assertions.h>
 #include <wtf/HashMap.h>
 #include <wtf/StdLibExtras.h>
 #include <wtf/text/StringBuilder.h>
 #include <wtf/Vector.h>
 
 namespace WebCore {
 
@@ skipping 199 matching lines @@
     case PseudoRightPage:
     case PseudoInRange:
     case PseudoOutOfRange:
     case PseudoUserAgentCustomElement:
     case PseudoWebKitCustomElement:
     case PseudoCue:
     case PseudoFutureCue:
     case PseudoPastCue:
     case PseudoSeamlessDocument:
     case PseudoDistributed:
+    case PseudoUnresolved:
         return NOPSEUDO;
     case PseudoNotParsed:
         ASSERT_NOT_REACHED();
         return NOPSEUDO;
     }
 
     ASSERT_NOT_REACHED();
     return NOPSEUDO;
 }
 
@@ skipping 68 matching lines @@
     DEFINE_STATIC_LOCAL(AtomicString, fullScreenAncestor, ("-webkit-full-screen-ancestor", AtomicString::ConstructFromLiteral));
     DEFINE_STATIC_LOCAL(AtomicString, animatingFullScreenTransition, ("-webkit-animating-full-screen-transition", AtomicString::ConstructFromLiteral));
     DEFINE_STATIC_LOCAL(AtomicString, cue, ("cue(", AtomicString::ConstructFromLiteral));
     DEFINE_STATIC_LOCAL(AtomicString, futureCue, ("future", AtomicString::ConstructFromLiteral));
     DEFINE_STATIC_LOCAL(AtomicString, pastCue, ("past", AtomicString::ConstructFromLiteral));
     DEFINE_STATIC_LOCAL(AtomicString, seamlessDocument, ("-webkit-seamless-document", AtomicString::ConstructFromLiteral));
     DEFINE_STATIC_LOCAL(AtomicString, distributed, ("-webkit-distributed(", AtomicString::ConstructFromLiteral));
     DEFINE_STATIC_LOCAL(AtomicString, inRange, ("in-range", AtomicString::ConstructFromLiteral));
     DEFINE_STATIC_LOCAL(AtomicString, outOfRange, ("out-of-range", AtomicString::ConstructFromLiteral));
     DEFINE_STATIC_LOCAL(AtomicString, scope, ("scope", AtomicString::ConstructFromLiteral));
+    DEFINE_STATIC_LOCAL(AtomicString, unresolved, ("unresolved", AtomicString::ConstructFromLiteral));
 
     static HashMap<AtomicStringImpl*, CSSSelector::PseudoType>* nameToPseudoType = 0;
     if (!nameToPseudoType) {
         nameToPseudoType = new HashMap<AtomicStringImpl*, CSSSelector::PseudoType>;
         nameToPseudoType->set(active.impl(), CSSSelector::PseudoActive);
         nameToPseudoType->set(after.impl(), CSSSelector::PseudoAfter);
         nameToPseudoType->set(anyLink.impl(), CSSSelector::PseudoAnyLink);
         nameToPseudoType->set(any.impl(), CSSSelector::PseudoAny);
         nameToPseudoType->set(autofill.impl(), CSSSelector::PseudoAutofill);
         nameToPseudoType->set(before.impl(), CSSSelector::PseudoBefore);
@@ skipping 59 matching lines @@
         nameToPseudoType->set(fullScreenDocument.impl(), CSSSelector::PseudoFullScreenDocument);
         nameToPseudoType->set(fullScreenAncestor.impl(), CSSSelector::PseudoFullScreenAncestor);
         nameToPseudoType->set(animatingFullScreenTransition.impl(), CSSSelector::PseudoAnimatingFullScreenTransition);
         nameToPseudoType->set(cue.impl(), CSSSelector::PseudoCue);
         nameToPseudoType->set(futureCue.impl(), CSSSelector::PseudoFutureCue);
         nameToPseudoType->set(pastCue.impl(), CSSSelector::PseudoPastCue);
         nameToPseudoType->set(seamlessDocument.impl(), CSSSelector::PseudoSeamlessDocument);
         nameToPseudoType->set(distributed.impl(), CSSSelector::PseudoDistributed);
         nameToPseudoType->set(inRange.impl(), CSSSelector::PseudoInRange);
         nameToPseudoType->set(outOfRange.impl(), CSSSelector::PseudoOutOfRange);
+        if (RuntimeEnabledFeatures::customDOMElementsEnabled())
+            nameToPseudoType->set(unresolved.impl(), CSSSelector::PseudoUnresolved);
     }
     return nameToPseudoType;
 }
 
 CSSSelector::PseudoType CSSSelector::parsePseudoType(const AtomicString& name)
 {
     if (name.isNull())
         return PseudoUnknown;
     HashMap<AtomicStringImpl*, CSSSelector::PseudoType>* nameToPseudoType = nameToPseudoTypeMap();
     HashMap<AtomicStringImpl*, CSSSelector::PseudoType>::iterator slot = nameToPseudoType->find(name.impl());
@@ skipping 100 matching lines @@
     case PseudoNotParsed:
     case PseudoFullScreen:
     case PseudoFullScreenDocument:
     case PseudoFullScreenAncestor:
     case PseudoAnimatingFullScreenTransition:
     case PseudoSeamlessDocument:
     case PseudoInRange:
     case PseudoOutOfRange:
     case PseudoFutureCue:
     case PseudoPastCue:
+    case PseudoUnresolved:
         break;
     case PseudoFirstPage:
     case PseudoLeftPage:
     case PseudoRightPage:
         isPagePseudoClass = true;
         break;
     }
 
     bool matchPagePseudoClass = (m_match == PagePseudoClass);
     if (matchPagePseudoClass != isPagePseudoClass)
         m_pseudoType = PseudoUnknown;
     else if (m_match == PseudoClass && element) {
         if (!compat)
             m_pseudoType = PseudoUnknown;
         else
-           m_match = PseudoElement;
+            m_match = PseudoElement;
     } else if (m_match == PseudoElement && !element)
         m_pseudoType = PseudoUnknown;
 }
 
 bool CSSSelector::operator==(const CSSSelector& other) const
 {
     const CSSSelector* sel1 = this;
     const CSSSelector* sel2 = &other;
 
     while (sel1 && sel2) {
@@ skipping 242 matching lines @@
             return false;
         return (count - m_b) % m_a == 0;
     } else {
         if (count > m_b)
             return false;
         return (m_b - count) % (-m_a) == 0;
     }
 }
 
 } // namespace WebCore