samples/SAXPrint/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.
 */

/*
 * $Log$
 * Revision 1.11  2004/09/08 13:55:34  peiyongz
 * Apache License Version 2.0
 *
 * Revision 1.10  2004/02/15 19:43:15  amassari
 * Removed cause for warnings in VC 7.1
 *
 * Revision 1.9  2002/11/05 21:46:20  tng
 * Explicit code using namespace in application.
 *
 * Revision 1.8  2002/02/01 22:41:17  peiyongz
 * sane_include
 *
 * Revision 1.7  2000/10/10 23:55:59  andyh
 * XMLFormatter patch, contributed by Bill Schindler.  Fix problems with
 * output to multi-byte encodings.
 *
 * Revision 1.6  2000/04/06 19:09:52  roddey
 * Some more improvements to output formatting. Now it will correctly
 * handle doing the 'replacement char' style of dealing with chars
 * that are unrepresentable.
 *
 * Revision 1.5  2000/04/05 00:20:32  roddey
 * More updates for the low level formatted output support
 *
 * Revision 1.4  2000/03/28 19:43:12  roddey
 * Fixes for signed/unsigned warnings. New work for two way transcoding
 * stuff.
 *
 * Revision 1.3  2000/03/02 19:53:49  roddey
 * This checkin includes many changes done while waiting for the
 * 1.1.0 code to be finished. I can't list them all here, but a list is
 * available elsewhere.
 *
 * Revision 1.2  2000/02/06 07:47:24  rahulj
 * Year 2K copyright swat.
 *
 * Revision 1.1.1.1  1999/11/09 01:09:29  twl
 * Initial checkin
 *
 * Revision 1.8  1999/11/08 20:43:42  rahul
 * Swat for adding in Product name and CVS comment log variable.
 *
 */


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

XERCES_CPP_NAMESPACE_USE

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


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

    void writeChars
    (
        const   XMLByte* const  toWrite
        , const unsigned int    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 unsigned int length);

    void ignorableWhitespace
    (
        const   XMLCh* const    chars
        , const unsigned int    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
    );


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.
    // -----------------------------------------------------------------------
    XMLFormatter    fFormatter;
};