ByteStream.hpp

// Copyright (C) 2017 Jérôme Leclercq
// This file is part of the "Nazara Engine - Core module"
// For conditions of distribution and use, see copyright notice in Config.hpp

#pragma once

#ifndef NAZARA_BYTESTREAM_HPP
#define NAZARA_BYTESTREAM_HPP

#include <Nazara/Prerequesites.hpp>
#include <Nazara/Core/SerializationContext.hpp>
#include <memory>

namespace Nz
{
    class ByteArray;
    class Stream;

    class NAZARA_CORE_API ByteStream
    {
        public:
            inline ByteStream(Stream* stream = nullptr);
            ByteStream(ByteArray* byteArray, OpenModeFlags openMode = OpenMode_ReadWrite);
            ByteStream(void* ptr, Nz::UInt64 size);
            ByteStream(const void* ptr, Nz::UInt64 size);
            ByteStream(const ByteStream&) = delete;
            inline ByteStream(ByteStream&& stream);
            virtual ~ByteStream();

            inline Endianness GetDataEndianness() const;
            inline Nz::UInt64 GetSize() const;
            inline Stream* GetStream() const;

            inline bool FlushBits();

            inline std::size_t Read(void* ptr, std::size_t size);

            inline void SetDataEndianness(Endianness endiannes);
            inline void SetStream(Stream* stream);
            void SetStream(ByteArray* byteArray, OpenModeFlags openMode = OpenMode_ReadWrite);
            void SetStream(void* ptr, Nz::UInt64 size);
            void SetStream(const void* ptr, Nz::UInt64 size);

            inline void Write(const void* data, std::size_t size);

            template<typename T>
            ByteStream& operator>>(T& value);

            template<typename T>
            ByteStream& operator<<(const T& value);

            ByteStream& operator=(const ByteStream&) = delete;
            inline ByteStream& operator=(ByteStream&&);

        private:
            virtual void OnEmptyStream();

            std::unique_ptr<Stream> m_ownedStream;
            SerializationContext m_context;
    };
}

#include <Nazara/Core/ByteStream.inl>

#endif // NAZARA_BYTESTREAM_HPP