SBE.h

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#pragma once
/*
* 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.
*/
 
#include <string>
#include <vector>
#include <map>
 
#include <OnixS/FIXEngine/ABI.h>
#include <OnixS/FIXEngine/Compiler.h>
#include <OnixS/FIXEngine/FIX/Tag.h>
#include <OnixS/FIXEngine/FIX/ProtocolVersion.h>
#include <OnixS/FIXEngine/FIX/SbeCustomization.h>
 
namespace OnixS {
namespace FIX {
ONIXS_FIXENGINE_API_DECL(class, Message);
ONIXS_FIXENGINE_API_DECL(class, Dictionary);
 
namespace SBE {
class ONIXS_FIXENGINE_API Encoder
{
public:
    Encoder(const std::string & xmlTemplates, ISbeCustomCoderLibrary *customCoders = nullptr);

    ~Encoder(void);

    size_t encode(const OnixS::FIX::Message & fixMessage, int templateID, int version,
                  unsigned char * buffer, size_t bufferSize, size_t * rootBlockLength) const;

    size_t encodeWithHeader(const OnixS::FIX::Message& fixMessage, int templateID, int version,
        unsigned char* buffer, size_t bufferSize, size_t* rootBlockLength) const;

    unsigned schemaVersion() const;

    unsigned schemaId() const;

    std::string schemaSemanticVersion() const;

    std::string schemaHeaderType() const;
private:
    Encoder(const Encoder &);
    Encoder & operator = (const Encoder &);
 
    struct Impl;
    Impl * impl_;
};

class ONIXS_FIXENGINE_API Decoder
{
public:
    Decoder(const std::string & xmlTemplates, const OnixS::FIX::Dictionary & fixDictionary, ISbeCustomCoderLibrary* customCoders = nullptr);

    Decoder(const std::string & xmlTemplates, ISbeCustomCoderLibrary* customCoders = nullptr);

    Decoder(ProtocolVersion::Enum baseVersion, const std::string & xmlTemplates, ISbeCustomCoderLibrary* customCoders = nullptr);

    ~Decoder();

    const OnixS::FIX::Message & decode(int templateId, int version, size_t rootBlockLength,
                                       const unsigned char * buffer, size_t bufferSize, size_t * numberOfDecodedBytes = nullptr) const;

    const OnixS::FIX::Message& decode(const unsigned char* buffer, size_t bufferSize, size_t* numberOfDecodedBytes = nullptr,
                                      int *templateId = nullptr, int *version = nullptr) const;
 

    bool tryDecode(int templateId, int version, size_t rootBlockLength,
                   const unsigned char * buffer, size_t offset, size_t count, OnixS::FIX::Message * message,
                   size_t * numberOfDecodedBytes) const;

    OnixS::FIX::Dictionary fixDictionary() const;

    void maximumNumberOfRepeatingGroupEntries(int value);

    int maximumNumberOfRepeatingGroupEntries() const;

    static Dictionary generateFixDictionary(const std::string & sbeTemplateXml);

    static Dictionary generateFixDictionary(ProtocolVersion::Enum baseVersion,
                                            const std::string & sbeTemplateXml);

    unsigned schemaVersion() const;

    unsigned schemaId() const;

    std::string schemaSemanticVersion() const;

    std::string schemaHeaderType() const;
private:
    friend ONIXS_FIXENGINE_API_DECL(class, OnixS::FIX::Dictionary);
 
    Decoder(const Decoder &);
    Decoder & operator = (const Decoder &);
 
    struct Impl;
    Impl * impl_;
};
 
}
}
}