/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999-2000 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Xerces" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache\@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
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 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation, and was
 * originally based on software copyright (c) 1999, International
 * Business Machines, Inc., http://www.ibm.com .  For more information
 * on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

/*
 * $Log: SAX2CountHandlers.hpp,v $
 * Revision 1.5  2002/11/05 21:46:20  tng
 * Explicit code using namespace in application.
 *
 * Revision 1.4  2002/02/01 22:38:52  peiyongz
 * sane_include
 *
 * Revision 1.3  2001/08/02 17:10:29  tng
 * Allow DOMCount/SAXCount/IDOMCount/SAX2Count to take a file that has a list of xml file as input.
 *
 * Revision 1.2  2000/08/09 22:40:15  jpolast
 * updates for changes to sax2 core functionality.
 *
 * Revision 1.1  2000/08/08 17:17:21  jpolast
 * initial checkin of SAX2Count
 *
 *
 */


// ---------------------------------------------------------------------------
//  Includes
// ---------------------------------------------------------------------------
#include <xercesc/sax2/Attributes.hpp>
#include <xercesc/sax2/DefaultHandler.hpp>

XERCES_CPP_NAMESPACE_USE

class SAX2CountHandlers : public DefaultHandler
{
public:
    // -----------------------------------------------------------------------
    //  Constructors and Destructor
    // -----------------------------------------------------------------------
    SAX2CountHandlers();
    ~SAX2CountHandlers();


    // -----------------------------------------------------------------------
    //  Getter methods
    // -----------------------------------------------------------------------
    unsigned int getElementCount() const
    {
        return fElementCount;
    }

    unsigned int getAttrCount() const
    {
        return fAttrCount;
    }

    unsigned int getCharacterCount() const
    {
        return fCharacterCount;
    }

    bool getSawErrors() const
    {
        return fSawErrors;
    }

    unsigned int getSpaceCount() const
    {
        return fSpaceCount;
    }


    // -----------------------------------------------------------------------
    //  Handlers for the SAX ContentHandler interface
    // -----------------------------------------------------------------------
    void startElement(const XMLCh* const uri, const XMLCh* const localname, const XMLCh* const qname, const Attributes& attrs);
    void characters(const XMLCh* const chars, const unsigned int length);
    void ignorableWhitespace(const XMLCh* const chars, const unsigned int length);
    void resetDocument();


    // -----------------------------------------------------------------------
    //  Handlers for the SAX ErrorHandler interface
    // -----------------------------------------------------------------------
	void warning(const SAXParseException& exception);
    void error(const SAXParseException& exception);
    void fatalError(const SAXParseException& exception);
    void resetErrors();


private:
    // -----------------------------------------------------------------------
    //  Private data members
    //
    //  fAttrCount
    //  fCharacterCount
    //  fElementCount
    //  fSpaceCount
    //      These are just counters that are run upwards based on the input
    //      from the document handlers.
    //
    //  fSawErrors
    //      This is set by the error handlers, and is queryable later to
    //      see if any errors occured.
    // -----------------------------------------------------------------------
    unsigned int    fAttrCount;
    unsigned int    fCharacterCount;
    unsigned int    fElementCount;
    unsigned int    fSpaceCount;
    bool            fSawErrors;
};