source: XMLIO_V2/external/include/Poco/DOM/AbstractNode.h @ 80

//
// AbstractNode.h
//
// $Id: //poco/1.3/XML/include/Poco/DOM/AbstractNode.h#2 $
//
// Library: XML
// Package: DOM
// Module:  DOM
//
// Definition of the AbstractNode class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#ifndef DOM_AbstractNode_INCLUDED
#define DOM_AbstractNode_INCLUDED


#include "Poco/XML/XML.h"
#include "Poco/DOM/Node.h"
#include "Poco/DOM/MutationEvent.h"
#include "Poco/XML/XMLString.h"


namespace Poco {
namespace XML {


class AbstractContainerNode;
class Attr;
class EventDispatcher;


class XML_API AbstractNode: public Node
        /// AbstractNode provides a basic implementation
        /// of the Node interface for all types of nodes
        /// that do not contain other nodes.
{
public:
        // Node
        const XMLString& nodeName() const;
        const XMLString& getNodeValue() const;
        void setNodeValue(const XMLString& value);
        Node* parentNode() const;
        NodeList* childNodes() const;
        Node* firstChild() const;
        Node* lastChild() const;
        Node* previousSibling() const;
        Node* nextSibling() const;
        NamedNodeMap* attributes() const;
        Document* ownerDocument() const;
        Node* insertBefore(Node* newChild, Node* refChild);
        Node* replaceChild(Node* newChild, Node* oldChild);
        Node* removeChild(Node* oldChild);
        Node* appendChild(Node* newChild);
        bool hasChildNodes() const;
        Node* cloneNode(bool deep) const;
        void normalize();
        bool isSupported(const XMLString& feature, const XMLString& version) const;
        const XMLString& namespaceURI() const;
        XMLString prefix() const;
        const XMLString& localName() const;
        bool hasAttributes() const;

        // EventTarget
        void addEventListener(const XMLString& type, EventListener* listener, bool useCapture);
        void removeEventListener(const XMLString& type, EventListener* listener, bool useCapture);
        bool dispatchEvent(Event* evt);

        // Extensions
        XMLString innerText() const;

        virtual void autoRelease();

protected:
        AbstractNode(Document* pOwnerDocument);
        AbstractNode(Document* pOwnerDocument, const AbstractNode& node);
        ~AbstractNode();

        virtual Node* copyNode(bool deep, Document* pOwnerDocument) const = 0;

        virtual bool events() const;
        virtual bool eventsSuspended() const;
        void captureEvent(Event* evt);
        void bubbleEvent(Event* evt);
        void dispatchSubtreeModified();
        void dispatchNodeInserted();
        void dispatchNodeRemoved();
        virtual void dispatchNodeRemovedFromDocument();
        virtual void dispatchNodeInsertedIntoDocument();
        void dispatchAttrModified(Attr* pAttr, MutationEvent::AttrChangeType changeType, const XMLString& prevValue, const XMLString& newValue);
        void dispatchCharacterDataModified(const XMLString& prevValue, const XMLString& newValue);
        void setOwnerDocument(Document* pOwnerDocument);

        static const XMLString EMPTY_STRING;

private:
        AbstractNode();

        AbstractContainerNode* _pParent;
        AbstractNode*          _pNext;
        Document*              _pOwner;
        EventDispatcher*       _pEventDispatcher;

        static const XMLString NODE_NAME;

        friend class AbstractContainerNode;
        friend class Document;
        friend class DocumentFragment;
        friend class Element;
        friend class Attr;
        friend class CharacterData;
        friend class DOMBuilder;
        friend class NodeAppender;
};


} } // namespace Poco::XML


#endif // DOM_AbstractNode_INCLUDED