serialize data use msgpack

#ifndef _BYTEBUFFER_H
#define _BYTEBUFFER_H

#include <msgpack.hpp>
typedef unsigned char   uint8;         /* Unsigned  8 bit quantity     */
typedef signed   char   int8;          /* Signed    8 bit quantity     */
typedef unsigned short  uint16;        /* Unsigned  16 bit quantity    */
typedef signed   short  int16;         /* Signed    16 bit quantity    */
typedef unsigned int    uint32;        /* Unsigned  32 bit quantity    */
typedef signed   int    int32;         /* Signed    32 bit quantity    */
typedef signed   long   int64;  
typedef unsigned long   uint64;  


class ByteBuffer {
public:
    const static size_t DEFAULT_SIZE = 0x1000;

    ByteBuffer(): _rpos(0), _wpos(0) 
    {
        _storage.reserve(DEFAULT_SIZE);
    }
    ByteBuffer(size_t res): _rpos(0), _wpos(0) 
    {
        _storage.reserve(res);
    }
    ByteBuffer(const ByteBuffer &buf): _rpos(buf._rpos), _wpos(buf._wpos), _storage(buf._storage) { }
    virtual ~ByteBuffer() {}

    void clear() {
        _storage.clear();
        _rpos = _wpos = 0;
    }

    template <typename T> void append(T value)
    {
        append((uint8 *)&value, sizeof(value));
    }

    template <typename T> void put(size_t pos,T value) 
    {
        put(pos,(uint8 *)&value,sizeof(value));
    }

    ByteBuffer &operator<<(bool value) 
    {
        append<char>((char)value);
        return *this;
    }

    // unsigned
    ByteBuffer &operator<<(uint8 value)
    {
        append<uint8>(value);
        return *this;
    }

    ByteBuffer &operator<<(uint16 value) 
    {
        append<uint16>(value);
        return *this;
    }

    ByteBuffer &operator<<(uint32 value) 
    {
        append<uint32>(value);
        return *this;
    }

    ByteBuffer &operator<<(uint64 value) 
    {
        append<uint64>(value);
        return *this;
    }

    // signed as in 2e complement
    ByteBuffer &operator<<(int8 value) 
    {
        append<int8>(value);
        return *this;
    }

    ByteBuffer &operator<<(int16 value) 
    {
        append<int16>(value);
        return *this;
    }

    ByteBuffer &operator<<(int32 value)
    {
        append<int32>(value);
        return *this;
    }

    ByteBuffer &operator<<(int64 value) 
    {
        append<int64>(value);
        return *this;
    }

    ByteBuffer &operator<<(float value)
    {
        append<float>(value);
        return *this;
    }

    ByteBuffer &operator<<(double value) 
    {
        append<double>(value);
        return *this;
    }
    /*
    ByteBuffer &operator<<(const std::string &value) {
        append((uint8 *)value.c_str(), value.length());
        append((uint8)0);
        return *this;
    }
    ByteBuffer &operator<<(const char *str) {
        append((uint8 *)str, strlen(str));
        append((uint8)0);
        return *this;
    }*/
    ByteBuffer &operator<<(const std::string &value) {
        *this << (uint16)value.length();
        append((uint8 *)value.c_str(), value.length());
        return *this;
    }
    ByteBuffer &operator<<(const char *str) {
        uint16 len = strlen(str);
        *this << len;
        append((uint8 *)str, len);
        return *this;
    }

    // stream like operators for reading data
    ByteBuffer &operator>>(bool &value) {
        value = read<char>() > 0 ? true : false;
        return *this;
    }
    //unsigned
    ByteBuffer &operator>>(uint8 &value) {
        value = read<uint8>();
        return *this;
    }
    ByteBuffer &operator>>(uint16 &value) {
        value = read<uint16>();
        return *this;
    }
    ByteBuffer &operator>>(uint32 &value) {
        value = read<uint32>();
        return *this;
    }
    ByteBuffer &operator>>(uint64 &value) {
        value = read<uint64>();
        return *this;
    }
    //signed as in 2e complement
    ByteBuffer &operator>>(int8 &value) {
        value = read<int8>();
        return *this;
    }
    ByteBuffer &operator>>(int16 &value) {
        value = read<int16>();
        return *this;
    }
    ByteBuffer &operator>>(int32 &value) {
        value = read<int32>();
        return *this;
    }
    ByteBuffer &operator>>(int64 &value) {
        value = read<int64>();
        return *this;
    }
    ByteBuffer &operator>>(float &value) {
        value = read<float>();
        return *this;
    }
    ByteBuffer &operator>>(double &value) {
        value = read<double>();
        return *this;
    }
    /*
    ByteBuffer &operator>>(std::string& value) {
        value.clear();
        while (true) {
            char c=read<char>();
            if (c==0)
                break;
            value+=c;
        }
        return *this;
    }*/
    ByteBuffer &operator>>(std::string& value) {
        uint16 len;
        *this >> len;
        if(len > 0) {
            value.resize(len);
            read((uint8*)value.c_str(), len);
        } else {
            value.clear();
        }
        return *this;
    }

    uint8 operator[](size_t pos) {
        return read<uint8>(pos);
    }

    size_t rpos() {
        return _rpos;
    };

    size_t rpos(size_t rpos) {
        _rpos = rpos;
        return _rpos;
    };

    size_t wpos() {
        return _wpos;
    }

    size_t wpos(size_t wpos) {
        _wpos = wpos;
        return _wpos;
    }

    template <typename T> T read() {
        T r=read<T>(_rpos);
        _rpos += sizeof(T);
        return r;
    };

    template <typename T> T read(size_t pos) const {
        //ASSERT(pos + sizeof(T) <= size());
        if(pos + sizeof(T) > size())
        {
            return (T)0;
        } else {
            return *((T*)&_storage[pos]);
        }
    }

    void read(uint8 *dest, size_t len) {
        if (_rpos + len <= size()) {
            memcpy(dest, &_storage[_rpos], len);
        } else {
            //throw error();
            memset(dest, 0, len);
        }
        _rpos += len;
    }

    const uint8 *contents() const { return &_storage[0]; };

    size_t size() const { return _storage.size(); };
    
    void resize(size_t newsize) {
        _storage.resize(newsize);
        _rpos = 0;
        _wpos = size();
    };

    void reserve(size_t ressize) {
        if (ressize > size()) _storage.reserve(ressize);
    };

    void append(const char *src, size_t cnt) {
        return append((const uint8 *)src, cnt);
    }

    void append(const uint8 *src, size_t cnt) {
        if (!cnt) return;
        if (_storage.size() < _wpos + cnt)
            _storage.resize(_wpos + cnt);
        memcpy(&_storage[_wpos], src, cnt);
        _wpos += cnt;
    }

    void append(const ByteBuffer& buffer) {
        if(buffer.size() > 0) append(buffer.contents(),buffer.size());
    }

    void put(size_t pos, const uint8 *src, size_t cnt) {
        memcpy(&_storage[pos], src, cnt);
    }
    
    void hexlike()
        {
            uint32 j = 1, k = 1;
            printf("STORAGE_SIZE: %u
", (unsigned int)size() );
            for(uint32 i = 0; i < size(); i++)
            {
                if ((i == (j*8)) && ((i != (k*16))))
                {
                    if (read<uint8>(i) < 0x0F)
                    {
                        printf("| 0%X ", read<uint8>(i) );
                    }
                    else
                    {
                        printf("| %X ", read<uint8>(i) );
                    }

                    j++;
                }
                else if (i == (k*16))
                {
                    rpos(rpos()-16);    // move read pointer 16 places back
                    printf(" | ");      // write split char

                    for (int x = 0; x < 16; x++)
                    {
                        printf("%c", read<uint8>(i-16 + x) );
                    }

                    if (read<uint8>(i) < 0x0F)
                    {
                        printf("
0%X ", read<uint8>(i) );
                    }
                    else
                    {
                        printf("
%X ", read<uint8>(i) );
                    }

                    k++;
                    j++;
                }
                else
                {
                    if (read<uint8>(i) < 0x0F)
                    {
                        printf("0%X ", read<uint8>(i) );
                    }
                    else
                    {
                        printf("%X ", read<uint8>(i) );
                    }
                }
            }
            printf("
");
        }

protected:
    size_t _rpos, _wpos;
    std::vector<uint8> _storage;

public:
    MSGPACK_DEFINE(_storage);
};
#endif

#include <string>
#include <iostream>
#include <iomanip>
#include <sstream>
#include <cassert>
//#include <msgpack.hpp>
#include "ByteBuffer.h"

void print(std::string const& buf) {
    for (std::string::const_iterator it = buf.begin(), end = buf.end();
         it != end;
         ++it) {
        std::cout
            << std::setw(2)
            << std::hex
            << std::setfill('0')
            << (static_cast<int>(*it) & 0xff)
            << ' ';
    }
    std::cout << std::dec << std::endl;
}

int main()
{
    {
        ByteBuffer A;
        int32 a = 1;
        int32 b = 2;
        A<<a;
        A<<b;

        std::stringstream ss;
        msgpack::pack(ss, A);
        print(ss.str());

        // deal data  ss.str()

        msgpack::object_handle oh =
            msgpack::unpack(ss.str().data(), ss.str().size());
        msgpack::object obj = oh.get();
        std::cout << obj << std::endl;
        
        ByteBuffer B;
        obj.convert(B);
        int32 c;
        int32 d;
        B>>c;
        B>>d;

        std::cout << c << " | " << d << std::endl;
    }

    system("pause");

    return 0;
}