diff -r 000000000000 -r 4f2f89ce4247 WebCore/xml/XPathVariableReference.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/xml/XPathVariableReference.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,55 @@
+/*
+ * Copyright 2005 Frerich Raabe <raabe@kde.org>
+ * Copyright (C) 2006 Apple Computer, Inc.
+ *
+ * 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.
+ */
+
+#include "config.h"
+#include "XPathVariableReference.h"
+
+#if ENABLE(XPATH)
+
+#include "Node.h"
+#include "XPathValue.h"
+
+namespace WebCore {
+namespace XPath {
+    
+VariableReference::VariableReference(const String& name)
+    : m_name(name)
+{
+}
+
+Value VariableReference::evaluate() const
+{
+    HashMap<String, String>& bindings = evaluationContext().variableBindings;
+    if (!bindings.contains(m_name))
+        // FIXME: Is this the right thing to do if an unknown variable is referenced?
+        return "";
+    return bindings.get(m_name);
+}
+
+}
+}
+
+#endif // ENABLE(XPATH)