/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2002 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",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * 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/>.
 */

/*
 * $Id: XMLScannerResolver.cpp,v 1.4 2003/01/15 15:49:49 knoaman Exp $
 */


// ---------------------------------------------------------------------------
//  Includes
// ---------------------------------------------------------------------------
#include <xercesc/internal/XMLScannerResolver.hpp>
#include <xercesc/internal/WFXMLScanner.hpp>
#include <xercesc/internal/DGXMLScanner.hpp>
#include <xercesc/internal/SGXMLScanner.hpp>
#include <xercesc/internal/IGXMLScanner.hpp>

XERCES_CPP_NAMESPACE_BEGIN

// ---------------------------------------------------------------------------
//  XMLScannerResolver: Public static methods
// ---------------------------------------------------------------------------
XMLScanner*
XMLScannerResolver::getDefaultScanner(XMLValidator* const valToAdopt)
{
    return new IGXMLScanner(valToAdopt);
}

XMLScanner*
XMLScannerResolver::resolveScanner(const XMLCh* const scannerName,
                                   XMLValidator* const valToAdopt)
{
    if (XMLString::equals(scannerName, XMLUni::fgWFXMLScanner))
        return new WFXMLScanner(valToAdopt);
    else if (XMLString::equals(scannerName, XMLUni::fgIGXMLScanner))
        return new IGXMLScanner(valToAdopt);
    else if (XMLString::equals(scannerName, XMLUni::fgSGXMLScanner))
        return new SGXMLScanner(valToAdopt);
    else if (XMLString::equals(scannerName, XMLUni::fgDGXMLScanner))
        return new DGXMLScanner(valToAdopt);

    // REVISIT: throw an exception or return a default one?
    return 0;
}

XMLScanner*
XMLScannerResolver::resolveScanner(const XMLCh* const scannerName,
                                   XMLDocumentHandler* const docHandler,
                                   DocTypeHandler* const docTypeHandler,
                                   XMLEntityHandler* const entityHandler,
                                   XMLErrorReporter* const errReporter,
                                   XMLValidator* const valToAdopt)
{
    if (XMLString::equals(scannerName, XMLUni::fgWFXMLScanner))
        return new WFXMLScanner(docHandler, docTypeHandler, entityHandler, errReporter, valToAdopt);
    else if (XMLString::equals(scannerName, XMLUni::fgIGXMLScanner))
        return new IGXMLScanner(docHandler, docTypeHandler, entityHandler, errReporter, valToAdopt);
    else if (XMLString::equals(scannerName, XMLUni::fgSGXMLScanner))
        return new SGXMLScanner(docHandler, docTypeHandler, entityHandler, errReporter, valToAdopt);
    else if (XMLString::equals(scannerName, XMLUni::fgDGXMLScanner))
        return new DGXMLScanner(docHandler, docTypeHandler, entityHandler, errReporter, valToAdopt);

    // REVISIT: throw an exception or return a default one?
    return 0;
}


XERCES_CPP_NAMESPACE_END