SaxParser.h

// This file is part of the "NcML Module" project, a BES module designed
// to allow NcML files to be used to be used as a wrapper to add
// AIS to existing datasets of any format.
//
// Copyright (c) 2009 OPeNDAP, Inc.
// Author: Michael Johnson  <m.johnson@opendap.org>
//
// For more information, please also see the main website: http://opendap.org/
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// Please see the files COPYING and COPYRIGHT for more information on the GLPL.
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
#ifndef __NCML_MODULE__SAX_PARSER_H__
#define __NCML_MODULE__SAX_PARSER_H__
 
#include <string>
 
namespace ncml_module {
// FDecls
class XMLAttributeMap;
class XMLNamespaceMap;

class SaxParser {
protected:
    SaxParser(); // Interface class
 
public:
    virtual ~SaxParser()
    {
    }
 
    virtual void onStartDocument() = 0;
    virtual void onEndDocument() = 0;

    virtual void onStartElement(const std::string& name, const XMLAttributeMap& attrs) = 0;

    virtual void onEndElement(const std::string& name) = 0;

 
    virtual void onStartElementWithNamespace(const std::string& localname, const std::string& prefix,
        const std::string& uri, const XMLAttributeMap& attributes, const XMLNamespaceMap& namespaces) = 0;

    virtual void onEndElementWithNamespace(const std::string& localname, const std::string& prefix,
        const std::string& uri) = 0;

    virtual void onCharacters(const std::string& content) = 0;

    virtual void onParseWarning(std::string msg) = 0;

    virtual void onParseError(std::string msg) = 0;

    virtual void setParseLineNumber(int /* line */)
    {
    }
 
};
// class SaxParser
 
}// namespace ncml_module
 
#endif /* __NCML_MODULE__SAX_PARSER_H__ */