example/cpp/main.cpp · mysim/adata

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adata

example

cpp

main.cpp

main.cpp 3.18 KB

///
/// Copyright (c) 2014-2015 Ning Ding (lordoffox@gmail.com)
/// Copyright (c) 2015 Nous Xiong (348944179@qq.com)
///
/// Distributed under the Boost Software License, Version 1.0. (See accompanying
/// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
///
/// See https://github.com/lordoffox/adata for latest version.
///

#include <my/game/player.adl.h>
#include <iostream>
#include <string>
#include <cassert>

namespace util
{
 inline bool operator==(vec3 const& lhs, vec3 const& rhs)
 {
 return
 lhs.x == rhs.x &&
 lhs.y == rhs.y &&
 lhs.z == rhs.z
 ;
 }
}

namespace my
{
 namespace game
 {
 inline bool operator==(item const& lhs, item const& rhs)
 {
 return
 lhs.id == rhs.id &&
 lhs.level == rhs.level &&
 lhs.id == rhs.id
 ;
 }

inline bool operator==(quest const& lhs, quest const& rhs)
 {
 return
 lhs.id == rhs.id &&
 lhs.name == rhs.name &&
 lhs.description == rhs.description
 ;
 }

inline bool operator==(player_v1 const& lhs, player_v1 const& rhs)
 {
 return
 lhs.id == rhs.id &&
 lhs.age == rhs.age &&
 lhs.factor == rhs.factor &&
 lhs.pos == rhs.pos &&
 lhs.inventory == rhs.inventory &&
 lhs.quests == rhs.quests
 ;
 }

inline bool operator==(player_v1 const& lhs, player_v2 const& rhs)
 {
 return
 lhs.id == rhs.id &&
 lhs.pos == rhs.pos &&
 lhs.inventory == rhs.inventory &&
 lhs.quests == rhs.quests
 ;
 }
 }
}

int main(int argc, char* argv[])
{
 try
 {
 char buff[4096];

my::game::player_v1 pv1;

pv1.id = 1;
 pv1.age = 22;
 pv1.factor = 2.0f;
 pv1.name = "pv1";

my::game::item itm;
 itm.id = 11;
 itm.level = 321110;
 itm.type = 3;
 pv1.inventory.push_back(itm);
 itm.id = 12;
 pv1.inventory.push_back(itm);

my::game::quest qst;
 qst.id = 50;
 qst.name = "quest1";
 qst.description = "There are something unusual...";
 pv1.quests.push_back(qst);

adata::zero_copy_buffer stream;
 int32_t buf_len = 0;

// serialize
 buf_len = adata::size_of(pv1);
 stream.set_write(buff, buf_len);
 adata::write(stream, pv1);
 assert(!stream.bad());

my::game::player_v1 pv1_other;

// deserialize
 stream.set_read(buff, buf_len);
 adata::read(stream, pv1_other);
 assert(!stream.bad());
 assert(pv1 == pv1_other);

stream.clear();

my::game::player_v2 pv2;

// forward compat (old data, new struct)
 adata::read(stream, pv2);
 assert(!stream.bad());

assert(pv1 == pv2);

stream.clear();
 pv1 = my::game::player_v1();

// backward compat (new data, old struct)
 pv2.id = 6543;
 pv2.name = "pv2";
 pv2.friends.push_back(2);
 pv2.friends.push_back(100);
 buf_len = adata::size_of(pv2);

stream.set_write(buff, buf_len);
 adata::write(stream, pv2);
 assert(!stream.bad());

stream.set_read(buff, buf_len);
 adata::read(stream, pv1);
 assert(!stream.bad());

assert(pv1 == pv2);

std::cout << "done." << std::endl;
 }
 catch (std::exception& ex)
 {
 std::cerr << ex.what() << std::endl;
 }

return 0;
}

一键复制编辑原始数据按行查看历史

Noux Xiong 提交于 2015年02月22日 00:54 +08:00 . add example

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///
/// Copyright (c) 2014-2015 Ning Ding (lordoffox@gmail.com)
/// Copyright (c) 2015 Nous Xiong (348944179@qq.com)
///
/// Distributed under the Boost Software License, Version 1.0. (See accompanying
/// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
///
/// See https://github.com/lordoffox/adata for latest version.
///

#include <my/game/player.adl.h>
#include <iostream>
#include <string>
#include <cassert>

namespace util
{
 inline bool operator==(vec3 const& lhs, vec3 const& rhs)
 {
 return
 lhs.x == rhs.x &&
 lhs.y == rhs.y &&
 lhs.z == rhs.z
 ;
 }
}

namespace my
{
 namespace game
 {
 inline bool operator==(item const& lhs, item const& rhs)
 {
 return
 lhs.id == rhs.id &&
 lhs.level == rhs.level &&
 lhs.id == rhs.id
 ;
 }

 inline bool operator==(quest const& lhs, quest const& rhs)
 {
 return
 lhs.id == rhs.id &&
 lhs.name == rhs.name &&
 lhs.description == rhs.description
 ;
 }

 inline bool operator==(player_v1 const& lhs, player_v1 const& rhs)
 {
 return
 lhs.id == rhs.id &&
 lhs.age == rhs.age &&
 lhs.factor == rhs.factor &&
 lhs.pos == rhs.pos &&
 lhs.inventory == rhs.inventory &&
 lhs.quests == rhs.quests
 ;
 }

 inline bool operator==(player_v1 const& lhs, player_v2 const& rhs)
 {
 return
 lhs.id == rhs.id &&
 lhs.pos == rhs.pos &&
 lhs.inventory == rhs.inventory &&
 lhs.quests == rhs.quests
 ;
 }
 }
}

int main(int argc, char* argv[])
{
 try
 {
 char buff[4096];

 my::game::player_v1 pv1;

 pv1.id = 1;
 pv1.age = 22;
 pv1.factor = 2.0f;
 pv1.name = "pv1";

 my::game::item itm;
 itm.id = 11;
 itm.level = 321110;
 itm.type = 3;
 pv1.inventory.push_back(itm);
 itm.id = 12;
 pv1.inventory.push_back(itm);

 my::game::quest qst;
 qst.id = 50;
 qst.name = "quest1";
 qst.description = "There are something unusual...";
 pv1.quests.push_back(qst);

 adata::zero_copy_buffer stream;
 int32_t buf_len = 0;

 // serialize
 buf_len = adata::size_of(pv1);
 stream.set_write(buff, buf_len);
 adata::write(stream, pv1);
 assert(!stream.bad());

 my::game::player_v1 pv1_other;

 // deserialize
 stream.set_read(buff, buf_len);
 adata::read(stream, pv1_other);
 assert(!stream.bad());
 assert(pv1 == pv1_other);

 stream.clear();

 my::game::player_v2 pv2;

 // forward compat (old data, new struct)
 adata::read(stream, pv2);
 assert(!stream.bad());

 assert(pv1 == pv2);

 stream.clear();
 pv1 = my::game::player_v1();

 // backward compat (new data, old struct)
 pv2.id = 6543;
 pv2.name = "pv2";
 pv2.friends.push_back(2);
 pv2.friends.push_back(100);
 buf_len = adata::size_of(pv2);

 stream.set_write(buff, buf_len);
 adata::write(stream, pv2);
 assert(!stream.bad());

 stream.set_read(buff, buf_len);
 adata::read(stream, pv1);
 assert(!stream.bad());

 assert(pv1 == pv2);

 std::cout << "done." << std::endl;
 }
 catch (std::exception& ex)
 {
 std::cerr << ex.what() << std::endl;
 }

 return 0;
}