EventBasedDecoder.h

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/*
* Copyright 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/FIXEngine/ABI.h>
#include <OnixS/FIXEngine/FIX/Tag.h>
#include <OnixS/FIXEngine/FIX/IDecodeListener.h>
#include <OnixS/FIXEngine/FIX/InputDataTraits.h>
#include <OnixS/FIXEngine/Sockets/Definitions.h>
#include <OnixS/FIXEngine/FIX/ProtocolVersion.h>
 
namespace OnixS {
namespace FIX {
ONIXS_FIXENGINE_API_DECL(class, Message);
ONIXS_FIXENGINE_API_DECL(class, Dictionary);
 
namespace FAST {
class ONIXS_FIXENGINE_API EventBasedDecoder
{
public:
    EventBasedDecoder(const std::string & xmlTemplates, ProtocolVersion::Enum fixVersion,
                      bool decodeEachMessageIndependently, InputDataTraits::Enum inputDataTraits);

    EventBasedDecoder(const std::string & xmlTemplates,
                      const OnixS::FIX::Dictionary & fixDictionary, bool decodeEachMessageIndependently,
                      InputDataTraits::Enum inputDataTraits);

    EventBasedDecoder(const std::string & xmlTemplates, bool decodeEachMessageIndependently,
                      InputDataTraits::Enum inputDataTraits);

    EventBasedDecoder(ProtocolVersion::Enum baseVersion, const std::string & xmlTemplates,
                      bool decodeEachMessageIndependently, InputDataTraits::Enum inputDataTraits);

    EventBasedDecoder(ProtocolVersion::Enum baseVersion, const std::string & xmlTemplates,
                      const std::string & genericFixDictionaryId, bool decodeEachMessageIndependently,
                      InputDataTraits::Enum inputDataTraits);

    ~EventBasedDecoder(void);

    InputDataTraits::Enum inputDataTraits() const;

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

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

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

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

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

    void reset();

    OnixS::FIX::Dictionary fixDictionary() const;
private:
    friend ONIXS_FIXENGINE_API_DECL(class, OnixS::FIX::Dictionary);
 
    EventBasedDecoder(const EventBasedDecoder &);
    EventBasedDecoder & operator = (const EventBasedDecoder &);
 
    class Impl;
    Impl * impl_;
};
}
}
}
 
#endif // __ONIXS_EVENTBASEDDECODER_H__