--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/dom/Attr.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,181 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2001 Peter Kelly (pmk@post.com)
+ *           (C) 2001 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010 Apple 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 "Attr.h"
+
+#include "Element.h"
+#include "ExceptionCode.h"
+#include "HTMLNames.h"
+#include "Text.h"
+#include "XMLNSNames.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+inline Attr::Attr(Element* element, Document* document, PassRefPtr<Attribute> attribute)
+    : ContainerNode(document)
+    , m_element(element)
+    , m_attribute(attribute)
+    , m_ignoreChildrenChanged(0)
+    , m_specified(true)
+{
+    ASSERT(!m_attribute->attr());
+    m_attribute->bindAttr(this);
+}
+
+PassRefPtr<Attr> Attr::create(Element* element, Document* document, PassRefPtr<Attribute> attribute)
+{
+    RefPtr<Attr> attr = adoptRef(new Attr(element, document, attribute));
+    attr->createTextChild();
+    return attr.release();
+}
+
+Attr::~Attr()
+{
+    ASSERT(m_attribute->attr() == this);
+    m_attribute->unbindAttr(this);
+}
+
+void Attr::createTextChild()
+{
+    ASSERT(refCount());
+    if (!m_attribute->value().isEmpty()) {
+        RefPtr<Text> textNode = document()->createTextNode(m_attribute->value().string());
+
+        // This does everything appendChild() would do in this situation (assuming m_ignoreChildrenChanged was set),
+        // but much more efficiently.
+        textNode->setParent(this);
+        setFirstChild(textNode.get());
+        setLastChild(textNode.get());
+    }
+}
+
+String Attr::nodeName() const
+{
+    return name();
+}
+
+Node::NodeType Attr::nodeType() const
+{
+    return ATTRIBUTE_NODE;
+}
+
+const AtomicString& Attr::localName() const
+{
+    return m_attribute->localName();
+}
+
+const AtomicString& Attr::namespaceURI() const
+{
+    return m_attribute->namespaceURI();
+}
+
+const AtomicString& Attr::prefix() const
+{
+    return m_attribute->prefix();
+}
+
+void Attr::setPrefix(const AtomicString& prefix, ExceptionCode& ec)
+{
+    ec = 0;
+    checkSetPrefix(prefix, ec);
+    if (ec)
+        return;
+
+    if ((prefix == xmlnsAtom && namespaceURI() != XMLNSNames::xmlnsNamespaceURI)
+        || static_cast<Attr*>(this)->qualifiedName() == xmlnsAtom) {
+        ec = NAMESPACE_ERR;
+        return;
+    }
+
+    m_attribute->setPrefix(prefix.isEmpty() ? AtomicString() : prefix);
+}
+
+String Attr::nodeValue() const
+{
+    return value();
+}
+
+void Attr::setValue(const AtomicString& value, ExceptionCode&)
+{
+    m_ignoreChildrenChanged++;
+    removeChildren();
+    m_attribute->setValue(value);
+    createTextChild();
+    m_ignoreChildrenChanged--;
+
+    if (m_element)
+        m_element->attributeChanged(m_attribute.get());
+}
+
+void Attr::setNodeValue(const String& v, ExceptionCode& ec)
+{
+    setValue(v, ec);
+}
+
+PassRefPtr<Node> Attr::cloneNode(bool /*deep*/)
+{
+    RefPtr<Attr> clone = adoptRef(new Attr(0, document(), m_attribute->clone()));
+    cloneChildNodes(clone.get());
+    return clone.release();
+}
+
+// DOM Section 1.1.1
+bool Attr::childTypeAllowed(NodeType type)
+{
+    switch (type) {
+        case TEXT_NODE:
+        case ENTITY_REFERENCE_NODE:
+            return true;
+        default:
+            return false;
+    }
+}
+
+void Attr::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+{
+    if (m_ignoreChildrenChanged > 0)
+        return;
+ 
+    Node::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+
+    // FIXME: We should include entity references in the value
+    
+    String val = "";
+    for (Node *n = firstChild(); n; n = n->nextSibling()) {
+        if (n->isTextNode())
+            val += static_cast<Text *>(n)->data();
+    }
+    
+    m_attribute->setValue(val.impl());
+    if (m_element)
+        m_element->attributeChanged(m_attribute.get());
+}
+
+bool Attr::isId() const
+{
+    return qualifiedName().matches(document()->idAttributeName());
+}
+
+}