webengine/osswebengine/WebCore/dom/Attr.h
changeset 0 dd21522fd290
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/dom/Attr.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,99 @@
+/*
+ * 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) 2003, 2004, 2005, 2006, 2007 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.
+ *
+ */
+
+#ifndef Attr_h
+#define Attr_h
+
+#include "ContainerNode.h"
+#include "Attribute.h"
+
+namespace WebCore {
+
+// this has no counterpart in DOM, purely internal
+// representation of the nodevalue of an Attr.
+// the actual Attr (Attr) with its value as textchild
+// is only allocated on demand by the DOM bindings.
+// Any use of Attr inside khtml should be avoided.
+
+// Attr can have Text and EntityReference children
+// therefore it has to be a fullblown Node. The plan
+// is to dynamically allocate a textchild and store the
+// resulting nodevalue in the Attribute upon
+// destruction. however, this is not yet implemented.
+
+class Attr : public ContainerNode {
+    friend class NamedAttrMap;
+
+public:
+    Attr(Element*, Document*, Attribute*);
+    ~Attr();
+
+    // Call this after calling the constructor so the
+    // Attr node isn't floating when we append the text node.
+    void createTextChild();
+    
+    // DOM methods & attributes for Attr
+    String name() const { return qualifiedName().toString(); }
+    bool specified() const { return m_attrWasSpecifiedOrElementHasRareData; }
+    Element* ownerElement() const { return m_element; }
+
+    String value() const { return m_attribute->value(); }
+    void setValue(const String&, ExceptionCode&);
+
+    // DOM methods overridden from parent classes
+    virtual String nodeName() const;
+    virtual NodeType nodeType() const;
+    virtual const AtomicString& localName() const;
+    virtual const AtomicString& namespaceURI() const;
+    virtual const AtomicString& prefix() const;
+    virtual void setPrefix(const AtomicString&, ExceptionCode&);
+
+    virtual String nodeValue() const;
+    virtual void setNodeValue(const String&, ExceptionCode&);
+    virtual PassRefPtr<Node> cloneNode(bool deep);
+
+    // Other methods (not part of DOM)
+    virtual bool isAttributeNode() const { return true; }
+    virtual bool childTypeAllowed(NodeType);
+
+    virtual void childrenChanged();
+    virtual String toString() const;
+
+    Attribute* attr() const { return m_attribute.get(); }
+    const QualifiedName& qualifiedName() const { return m_attribute->name(); }
+
+    // An extension to get presentational information for attributes.
+    CSSStyleDeclaration* style() { return m_attribute->style(); }
+
+    void setSpecified(bool specified) { m_attrWasSpecifiedOrElementHasRareData = specified; }
+
+private:
+    Element* m_element;
+    RefPtr<Attribute> m_attribute;
+    int m_ignoreChildrenChanged;
+};
+
+} //namespace
+
+#endif