//
// DOMSerializer.h
//
// Library: XML
// Package: DOM
// Module:  DOMSerializer
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier:	BSL-1.0
//


#ifndef DOM_DOMSerializer_INCLUDED
#define DOM_DOMSerializer_INCLUDED


#include "Poco/SAX/XMLReader.h"
#include "Poco/XML/XML.h"


namespace Poco
{
namespace XML
{


    class Node;
    class Element;
    class Text;
    class Comment;
    class ProcessingInstruction;
    class Entity;
    class CDATASection;
    class Notation;
    class Document;
    class DocumentType;
    class DocumentFragment;
    class DeclHandler;
    class LexicalHandler;


    class XML_API DOMSerializer : public XMLReader
    /// The DOMSerializer serializes a DOM document
    /// into a sequence of SAX events which are
    /// reported to the registered SAX event
    /// handlers.
    ///
    /// The DOMWriter uses a DOMSerializer with an
    /// XMLWriter to serialize a DOM document into
    /// textual XML.
    {
    public:
        DOMSerializer();
        /// Creates the DOMSerializer.

        ~DOMSerializer();
        /// Destroys the DOMSerializer.

        void serialize(const Node * pNode);
        /// Serializes a DOM node and its children
        /// into a sequence of SAX events, which are
        /// reported to the registered SAX event
        /// handlers.

        // XMLReader
        void setEntityResolver(EntityResolver * pResolver);
        EntityResolver * getEntityResolver() const;
        void setDTDHandler(DTDHandler * pDTDHandler);
        DTDHandler * getDTDHandler() const;
        void setContentHandler(ContentHandler * pContentHandler);
        ContentHandler * getContentHandler() const;
        void setErrorHandler(ErrorHandler * pErrorHandler);
        ErrorHandler * getErrorHandler() const;

        void setFeature(const XMLString & featureId, bool state);
        bool getFeature(const XMLString & featureId) const;
        void setProperty(const XMLString & propertyId, const XMLString & value);
        void setProperty(const XMLString & propertyId, void * value);
        void * getProperty(const XMLString & propertyId) const;

    protected:
        void parse(InputSource * pSource);
        /// The DOMSerializer cannot parse an InputSource,
        /// so this method simply throws an XMLException when invoked.

        void parse(const XMLString & systemId);
        /// The DOMSerializer cannot parse from a system identifier,
        /// so this method simply throws an XMLException when invoked.

        void parseMemoryNP(const char * xml, std::size_t size);
        /// The DOMSerializer cannot parse from a system identifier,
        /// so this method simply throws an XMLException when invoked.

        void iterate(const Node * pNode) const;
        void handleNode(const Node * pNode) const;
        void handleElement(const Element * pElement) const;
        void handleCharacterData(const Text * pText) const;
        void handleComment(const Comment * pComment) const;
        void handlePI(const ProcessingInstruction * pPI) const;
        void handleCDATASection(const CDATASection * pCDATA) const;
        void handleDocument(const Document * pDocument) const;
        void handleDocumentType(const DocumentType * pDocumentType) const;
        void handleFragment(const DocumentFragment * pFragment) const;
        void handleNotation(const Notation * pNotation) const;
        void handleEntity(const Entity * pEntity) const;

    private:
        EntityResolver * _pEntityResolver;
        DTDHandler * _pDTDHandler;
        ContentHandler * _pContentHandler;
        ErrorHandler * _pErrorHandler;
        DeclHandler * _pDeclHandler;
        LexicalHandler * _pLexicalHandler;

        static const XMLString CDATA;
    };


}
} // namespace Poco::XML


#endif // DOM_DOMSerializer_INCLUDED