NullDomReadingContext.hxx

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/*
 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef _NullDomReadingContext_hxx_
#define _NullDomReadingContext_hxx_


// Dummy implementation that will fail when used

#include "Assert.hxx"
#include <sstream>
#include <list>
#include <string>

namespace CLAM 
{

class NullDomDocumentHandler;

class NullDomReadingContext
{
        std::stringstream _plainContentToParse;

public:
        NullDomReadingContext(NullDomDocumentHandler & docHandler)
        {
                CLAM_ASSERT(false, "Using XML support with no xmlbackend. Reconfigure CLAM using the 'xmlbackend' option.");
        }

        NullDomReadingContext(NullDomReadingContext * oldContext, const char * name)
        {
                CLAM_ASSERT(false, "Using XML support with no xmlbackend. Reconfigure CLAM using the 'xmlbackend' option.");
        }
        bool findElement(const char * name)
        {
                return false;
        }

        NullDomReadingContext * release()
        {
                return this;
        }

        bool extractAttribute(const char * attributeName, std::ostream & os)
        {
                return false;
        }

        std::istream & reachableContent()
        {
                return _plainContentToParse;
        }

        std::list<std::string> errors()
        {
                static std::list<std::string> errors;
                return errors;
        }

        std::string getPath()
        {
                return "Bad Path";
        }

};

} // Namespace CLAM


#endif//_NullDomReadingContext_hxx_