webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

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diff --git a/Source/WebCore/dom/ClassCollection.h b/Source/WebCore/dom/ClassCollection.h
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+++ b/Source/WebCore/dom/ClassCollection.h
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+/*
+ * Copyright (C) 2007, 2014, 2015 Apple Inc. All rights reserved.
+ * Copyright (C) 2007 David Smith (catfish.man@gmail.com)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include "CachedHTMLCollection.h"
+#include "Element.h"
+#include "SpaceSplitString.h"
+
+namespace WebCore {
+
+class ClassCollection final : public CachedHTMLCollection<ClassCollection, CollectionTypeTraits<ByClass>::traversalType> {
+public:
+    static Ref<ClassCollection> create(ContainerNode&, CollectionType, const AtomicString& classNames);
+
+    virtual ~ClassCollection();
+
+    bool elementMatches(Element&) const;
+
+private:
+    ClassCollection(ContainerNode& rootNode, CollectionType, const AtomicString& classNames);
+
+    SpaceSplitString m_classNames;
+    AtomicString m_originalClassNames;
+};
+
+inline ClassCollection::ClassCollection(ContainerNode& rootNode, CollectionType type, const AtomicString& classNames)
+    : CachedHTMLCollection<ClassCollection, CollectionTypeTraits<ByClass>::traversalType>(rootNode, type)
+    , m_classNames(classNames, rootNode.document().inQuirksMode())
+    , m_originalClassNames(classNames)
+{
+}
+
+inline bool ClassCollection::elementMatches(Element& element) const
+{
+    if (!element.hasClass())
+        return false;
+    if (m_classNames.isEmpty())
+        return false;
+    return element.classNames().containsAll(m_classNames);
+}
+
+} // namespace WebCore
+
+SPECIALIZE_TYPE_TRAITS_HTMLCOLLECTION(ClassCollection, ByClass)