CacheModelSerializer.h

// Copyright eeGeo Ltd (2012-2014), All Rights Reserved

#pragma once

#include "Types.h"
#include "Cache.h"
#include "Helpers.h"
#include "BinaryParsing.h"
#include <iosfwd>

namespace Eegeo
{
    namespace Web
    {
        namespace Cache
        {
            class CacheModelSerializer
            {
            public:
                CacheModelSerializer(Helpers::IFileIO& fileIO);
                virtual ~CacheModelSerializer();

                bool WriteToFile(const CacheModel& cacheModel, const std::string& filename);
                bool ReadFromFile(const std::string& filename, CacheModel& cacheModel);

            private:
                Helpers::IFileIO& m_fileIO;
                Resources::BinaryParsing::BinaryParser m_parser;

                void WriteHeader(std::ostream& outputStream);
                bool TryReadHeader(std::istream& inputStream, unsigned int& out_version);

                void WriteFooter(std::ostream& outputStream);
                bool TryReadFooter(std::istream& inputStream);

                void WriteRecord(const CacheRecord& record, std::ostream& outputStream);
                CacheRecord ReadRecord(std::istream& inputStream, const u32 version);
            };
        }
    }
}