XmlFormatter.h

/*
 * Copyright (C) 2008-2012 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 Pt_Xml_XmlFormatter_h
#define Pt_Xml_XmlFormatter_h

#include <Pt/Xml/Api.h>
#include <Pt/Xml/XmlWriter.h>
#include <Pt/Xml/XmlReader.h>
#include <Pt/String.h>
#include <Pt/NonCopyable.h>
#include <Pt/Formatter.h>

namespace Pt {

namespace Xml {

class XmlReader;
class XmlWriter;
class Node;
class StartElement;
class EndElement;

class PT_XML_API XmlFormatter : public Formatter
                              , private NonCopyable
{
    public:
        XmlFormatter();

        explicit XmlFormatter(XmlWriter& writer);

        explicit XmlFormatter(XmlReader& reader);

        ~XmlFormatter();

        void attach(XmlWriter& writer);

        XmlWriter* writer()
        { return _writer;}

        void attach(XmlReader& reader);

        XmlReader* reader()
        { return _reader;}

        void detach();

    protected:
        // inherit docs
        void onAddString(const char*, const char* type,
                         const Pt::Char* value, const char* id);

        // inherit docs
        void onAddBool(const char* name, bool value,
                       const char* id);

        // inherit docs
        void onAddChar(const char* name, const Pt::Char& value,
                       const char* id);

        // inherit docs
        void onAddInt8(const char* name, Pt::int8_t value, const char* id);
        
        // inherit docs
        void onAddInt16(const char* name, Pt::int16_t value,  const char* id);
        
        // inherit docs
        void onAddInt32(const char* name, Pt::int32_t value, const char* id);
        
        // inherit docs
        void onAddInt64(const char* name, Pt::int64_t value, const char* id);

        // inherit docs
        void onAddUInt8(const char* name, Pt::uint8_t value, const char* id);
        
        // inherit docs
        void onAddUInt16(const char* name, Pt::uint16_t value,  const char* id);
        
        // inherit docs
        void onAddUInt32(const char* name, Pt::uint32_t value, const char* id);
        
        // inherit docs
        void onAddUInt64(const char* name, Pt::uint64_t value, const char* id);

        // inherit docs
        void onAddFloat(const char* name, float value,
                        const char* id);

        // inherit docs
        void onAddDouble(const char* name, double value,
                         const char* id);
        
        // inherit docs
        void onAddLongDouble(const char* name, long double value,
                             const char* id);
        
        // inherit docs
        void onAddBinary(const char* name, const char* type,
                         const char* value, std::size_t length, const char* id);
        
        // inherit docs
        void onAddReference(const char* name, const char* value);
        
        // inherit docs
        void onBeginSequence(const char* name, const char* type,
                             const char* id);

        // inherit docs
        void onBeginElement();
        
        // inherit docs
        void onFinishElement();
        
        // inherit docs
        void onFinishSequence();
        
        // inherit docs
        void onBeginStruct(const char* name, const char* type,
                           const char* id);
        
        // inherit docs
        void onBeginMember(const char* name);
        
        // inherit docs
        void onFinishMember();
        
        // inherit docs
        void onFinishStruct();

        // inherit docs
        void onBeginParse(Composer& composer);

        // inherit docs
        bool onParseSome();

        // inherit docs
        void onParse();

    protected:
        void addValue(const char*, const char* type,
                      const Pt::Char* value, const char* id);

        void OnBegin(const Node& node);

        void OnReferenceBegin(const Node& node);

        void OnMemberBegin(const Node& node);

        void OnValue(const Node& node);

        void OnMemberEnd(const Node& node);

        void beginXmlMember(const StartElement& se);

        void finishXmlMember(const EndElement& ee);

    private:
        XmlWriter* _writer;

        XmlReader* _reader;

        Pt::String _value;

        int _valueType;

        typedef void (XmlFormatter::*ProcessNode)(const Node&);

        ProcessNode _processNode;

        Composer* _composer;
};

} // namespace Xml

} // namespace Pt

#endif