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/home/tommi/cxxtools/include/cxxtools/xml/xmldeserializer.h

/*
 * Copyright (C) 2008 by Marc Boris Duerner
 * 
 * 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.
 * 
 * As a special exception, you may use this file as part of a free
 * software library without restriction. Specifically, if other files
 * instantiate templates or use macros or inline functions from this
 * file, or you compile this file and link it with other files to
 * produce an executable, this file does not by itself cause the
 * resulting executable to be covered by the GNU General Public
 * License. This exception does not however invalidate any other
 * reasons why the executable file might be covered by the GNU Library
 * General Public License.
 * 
 * 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
 */
#ifndef xis_cxxtools_XmlDeserializer_h
#define xis_cxxtools_XmlDeserializer_h

#include <cxxtools/string.h>
#include <cxxtools/deserializer.h>
#include "cxxtools/xml/xmlreader.h"
#include <memory>

namespace cxxtools
{

namespace xml
{

    class XmlReader;
    class Node;

    class XmlDeserializer : public Deserializer
    {
        public:
            XmlDeserializer(cxxtools::xml::XmlReader& reader);

            XmlDeserializer(std::istream& is);

            cxxtools::xml::XmlReader& reader()
            { return *_reader; }

            template <typename T>
            static void toObject(const std::string& str, T& type)
            {
               std::istringstream in(str);
               XmlDeserializer d(in);
               d.deserialize(type);
            }

            template <typename T>
            static void toObject(XmlReader& in, T& type)
            {
               XmlDeserializer d(in);
               d.deserialize(type);
            }

            template <typename T>
            static void toObject(std::istream& in, T& type)
            {
               XmlDeserializer d(in);
               d.deserialize(type);
            }

        protected:
            void doDeserialize();

            void beginDocument(const cxxtools::xml::Node& node);

            void onRootElement(const cxxtools::xml::Node& node);

            void onStartElement(const cxxtools::xml::Node& node);

            void onWhitespace(const cxxtools::xml::Node& node);

            void onContent(const cxxtools::xml::Node& node);

            void onEndElement(const cxxtools::xml::Node& node);

        private:
            cxxtools::xml::XmlReader* _reader;

            std::auto_ptr<cxxtools::xml::XmlReader> _deleter;

            typedef void (XmlDeserializer::*ProcessNode)(const cxxtools::xml::Node&);

            ProcessNode _processNode;

            size_t _startDepth;

            cxxtools::String _nodeName;

            cxxtools::String _nodeId;

            cxxtools::String _nodeType;

            cxxtools::String _nodeCategory;

            SerializationInfo::Category nodeCategory() const;

    };

} // namespace xml

} // namespace cxxtools

#endif

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