C:/Users/Pasha/_Dev/fixforge-cpp/fix/cppEngine/include/OnixS/FIX/EventBasedDecoder.h

/*
* Copyright 2005-2011 Onix Solutions Limited [OnixS]. All rights reserved. 
* 
* This software owned by Onix Solutions Limited [OnixS] and is protected by copyright law 
* and international copyright treaties. 
* 
* Access to and use of the software is governed by the terms of the applicable ONIXS Software
* Services Agreement (the Agreement) and Customer end user license agreements granting 
* a non-assignable, non-transferable and non-exclusive license to use the software 
* for it's own data processing purposes under the terms defined in the Agreement.
* 
* Except as otherwise granted within the terms of the Agreement, copying or reproduction of any part 
* of this source code or associated reference material to any other location for further reproduction
* or redistribution, and any amendments to this copyright notice, are expressly prohibited. 
*
* Any reproduction or redistribution for sale or hiring of the Software not in accordance with 
* the terms of the Agreement is a violation of copyright law. 
*/

#if !defined(__ONIXS_EVENTBASEDDECODER_H__)
#define __ONIXS_EVENTBASEDDECODER_H__

#include <string>
#include <vector>

#include "OnixS/FIX/ABI.h"
#include "OnixS/FIX/Definitions.h"
#include "OnixS/FIX/IDecodeListener.h"

namespace OnixS
{
    namespace FIX
    {
        ONIXS_FIXENGINE_API_DECL(class, Message);
        ONIXS_FIXENGINE_API_DECL(class, Dialect);

        namespace FAST
        {
            class ONIXS_FIXENGINE_API EventBasedDecoder
            {
            public:
                EventBasedDecoder(const std::string& xmlTemplates, OnixS::FIX::Version fixVersion, bool decodeEachMessageIndependently);

                EventBasedDecoder(const std::string& xmlTemplates, const OnixS::FIX::Dialect & fixDialect, bool decodeEachMessageIndependently);

                ~EventBasedDecoder(void);   

                bool decode(const char* buffer, size_t bufferSize, IDecodeListener *listener, size_t *usedSize);

                bool decode(const std::vector<char> & chunk, IDecodeListener *listener, size_t *usedSize);

                bool decodeSingleMessage(const char* buffer, size_t bufferSize, IDecodeListener *listener, size_t *usedSize);

                bool decodeSingleMessage(const std::vector<char> & chunk, IDecodeListener *listener, size_t *usedSize);

                static bool tryDecodeUnsignedInteger(const char* buffer, size_t bufferSize, unsigned int* value, size_t* fieldLength);

                void reset();

            private:
                EventBasedDecoder(const EventBasedDecoder&);
                EventBasedDecoder& operator = (const EventBasedDecoder&);

                EventBasedDecoder(void* native);

                void init(const std::string& xmlTemplates, const std::string& fixDictionary, bool decodeEachMessageIndependently);

                struct Impl;
                Impl* impl_;
                void* native_;
            };
        }
    }
}

#endif // __ONIXS_EVENTBASEDDECODER_H__