SAXPrintHandlers.hpp

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * $Id$
 */

#ifndef SAXPRINTHANDLERS_HPP
#define SAXPRINTHANDLERS_HPP

#include    <iostream>

#include    <xercesc/sax/HandlerBase.hpp>
#include    <xercesc/framework/XMLFormatter.hpp>

using namespace XERCES_CPP_NAMESPACE;

class SAXPrintHandlers : public HandlerBase, private XMLFormatTarget
{
public:
    // -----------------------------------------------------------------------
    //  Constructors
    // -----------------------------------------------------------------------
    SAXPrintHandlers
    (
        std::ostream                       &output
        , const   char* const               encodingName
        , const XMLFormatter::UnRepFlags    unRepFlags
    );
    ~SAXPrintHandlers();


    // -----------------------------------------------------------------------
    //  Implementations of the format target interface
    // -----------------------------------------------------------------------
    void writeChars
    (
        const   XMLByte* const  toWrite
    );

    virtual void writeChars
    (
        const   XMLByte* const  toWrite
        , const XMLSize_t       count
        , XMLFormatter* const   formatter
    );


    // -----------------------------------------------------------------------
    //  Implementations of the SAX DocumentHandler interface
    // -----------------------------------------------------------------------
    void endDocument();

    void endElement(const XMLCh* const name);

    void characters(const XMLCh* const chars, const XMLSize_t length);

    void ignorableWhitespace
    (
        const   XMLCh* const    chars
        , const XMLSize_t       length
    );

    void processingInstruction
    (
        const   XMLCh* const    target
        , const XMLCh* const    data
    );

    void startDocument();

    void startElement(const XMLCh* const name, AttributeList& attributes);



    // -----------------------------------------------------------------------
    //  Implementations of the SAX ErrorHandler interface
    // -----------------------------------------------------------------------
    void warning(const SAXParseException& exc);
    void error(const SAXParseException& exc);
    void fatalError(const SAXParseException& exc);



    // -----------------------------------------------------------------------
    //  Implementation of the SAX DTDHandler interface
    // -----------------------------------------------------------------------
    void notationDecl
    (
        const   XMLCh* const    name
        , const XMLCh* const    publicId
        , const XMLCh* const    systemId
    );

    void unparsedEntityDecl
    (
        const   XMLCh* const    name
        , const XMLCh* const    publicId
        , const XMLCh* const    systemId
        , const XMLCh* const    notationName
    );

    std::ostream &stream() { return output; }

private :
    // -----------------------------------------------------------------------
    //  Private data members
    //
    //  fFormatter
    //      This is the formatter object that is used to output the data
    //      to the target. It is set up to format to the standard output
    //      stream.
    //  output
    //      This is the stream to write the XML file to
    // -----------------------------------------------------------------------
    XMLFormatter  fFormatter;
    std::ostream &output;
};

#endif // SAXPRINTHANDLERS_HPP //