--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/editing/SetNodeAttributeCommand.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2005, 2008 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 APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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. 
+ */
+
+#include "config.h"
+#include "SetNodeAttributeCommand.h"
+
+#include "Element.h"
+#include <wtf/Assertions.h>
+
+namespace WebCore {
+
+SetNodeAttributeCommand::SetNodeAttributeCommand(PassRefPtr<Element> element, 
+        const QualifiedName& attribute, const AtomicString& value)
+    : SimpleEditCommand(element->document())
+    , m_element(element)
+    , m_attribute(attribute)
+    , m_value(value)
+{
+    ASSERT(m_element);
+}
+
+void SetNodeAttributeCommand::doApply()
+{
+    m_oldValue = m_element->getAttribute(m_attribute);
+    m_element->setAttribute(m_attribute, m_value);
+}
+
+void SetNodeAttributeCommand::doUnapply()
+{
+    m_element->setAttribute(m_attribute, m_oldValue);
+    AtomicStringImpl* nullString = 0;
+    m_oldValue = nullString;
+}
+
+} // namespace WebCore