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diff --git a/Source/WebCore/xml/XPathResult.h b/Source/WebCore/xml/XPathResult.h
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+++ b/Source/WebCore/xml/XPathResult.h
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+/*
+ * Copyright (C) 2005 Frerich Raabe <raabe@kde.org>
+ * Copyright (C) 2006, 2009 Apple Inc. All rights reserved.
+ *
+ * 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.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
+ */
+
+#ifndef XPathResult_h
+#define XPathResult_h
+
+#if ENABLE(XPATH)
+
+#include "XPathValue.h"
+#include <wtf/Forward.h>
+#include <wtf/RefCounted.h>
+
+namespace WebCore {
+
+    typedef int ExceptionCode;
+
+    class Document;
+    class Node;
+
+    class XPathResult : public RefCounted<XPathResult> {
+    public:
+        enum XPathResultType {
+            ANY_TYPE = 0,
+            NUMBER_TYPE = 1,
+            STRING_TYPE = 2,
+            BOOLEAN_TYPE = 3,
+            UNORDERED_NODE_ITERATOR_TYPE = 4,
+            ORDERED_NODE_ITERATOR_TYPE = 5,
+            UNORDERED_NODE_SNAPSHOT_TYPE = 6,
+            ORDERED_NODE_SNAPSHOT_TYPE = 7,
+            ANY_UNORDERED_NODE_TYPE = 8,
+            FIRST_ORDERED_NODE_TYPE = 9
+        };
+        
+        static PassRefPtr<XPathResult> create(Document* document, const XPath::Value& value) { return adoptRef(new XPathResult(document, value)); }
+        ~XPathResult();
+        
+        void convertTo(unsigned short type, ExceptionCode&);
+
+        unsigned short resultType() const;
+
+        double numberValue(ExceptionCode&) const;
+        String stringValue(ExceptionCode&) const;
+        bool booleanValue(ExceptionCode&) const;
+        Node* singleNodeValue(ExceptionCode&) const;
+
+        bool invalidIteratorState() const;
+        unsigned long snapshotLength(ExceptionCode&) const;
+        Node* iterateNext(ExceptionCode&);
+        Node* snapshotItem(unsigned long index, ExceptionCode&);
+
+    private:
+        XPathResult(Document*, const XPath::Value&);
+        
+        XPath::Value m_value;
+        unsigned m_nodeSetPosition;
+        XPath::NodeSet m_nodeSet; // FIXME: why duplicate the node set stored in m_value?
+        unsigned short m_resultType;
+        RefPtr<Document> m_document;
+        unsigned m_domTreeVersion;
+    };
+
+} // namespace WebCore
+
+#endif // ENABLE(XPATH)
+
+#endif // XPathResult_h