| #ifndef _VKSSERIALIZER_HPP |
| #define _VKSSERIALIZER_HPP |
| |
| /*------------------------------------------------------------------------- |
| * Vulkan CTS Framework |
| * -------------------- |
| * |
| * Copyright (c) 2021 The Khronos Group Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| *-------------------------------------------------------------------------*/ |
| |
| #include "vksCommon.hpp" |
| #include "vksEndian.hpp" |
| |
| #include <cstring> |
| #include <map> |
| #include <set> |
| |
| namespace vksc_server |
| { |
| |
| struct ToWrite |
| { |
| typedef const void* VoidPointer; |
| static void SerializeData (vector<u8>& buffer, msize& pos, VoidPointer data, msize size) |
| { |
| if (size == 0) return; |
| if ((pos + size) > buffer.size()) buffer.resize(pos + size); |
| memmove(buffer.data() + pos, data, size); |
| pos += size; |
| } |
| }; |
| |
| struct ToRead |
| { |
| typedef void* VoidPointer; |
| static void SerializeData (vector<u8>& buffer, msize& pos, VoidPointer data, msize size) |
| { |
| if (size == 0) return; |
| |
| if ( (pos + size) > buffer.size() ) throw std::runtime_error("SerializeData::ToRead unexpected end"); |
| memmove(data, buffer.data() + pos, size); |
| pos += size; |
| } |
| }; |
| |
| template <typename TYPE> |
| class Serializer |
| { |
| vector<u8>& Data; |
| msize Pos{}; |
| |
| public: |
| Serializer (vector<u8>& data) : Data(data) {} |
| void SerializeRawData (typename TYPE::VoidPointer data, msize size) { TYPE::SerializeData(Data, Pos, data, size); } |
| template <typename T> |
| void SerializeObject (T& obj) { obj.Serialize(*this); } |
| |
| void Serialize () { } |
| template <typename ARG> |
| void Serialize (ARG&& arg) { SerializeItem(*this, arg); } |
| template <typename ARG, typename... ARGs> |
| void Serialize (ARG&& first, ARGs&&... args) { SerializeItem(*this, first); Serialize(args...); } |
| }; |
| |
| template <typename TYPE> |
| inline void SerializeItem (TYPE& serializer, u8& val) |
| { |
| serializer.SerializeRawData(&val, sizeof(u8)); |
| } |
| |
| inline void SerializeItem (Serializer<ToRead>& serializer, u32& val) |
| { |
| u32 nval; |
| serializer.SerializeRawData(&nval, sizeof(u32)); |
| val = NetworkToHost32(nval); |
| } |
| |
| inline void SerializeItem (Serializer<ToWrite>& serializer, u32& val) |
| { |
| u32 nval = HostToNetwork32(val); |
| serializer.SerializeRawData(&nval, sizeof(u32)); |
| } |
| |
| inline void SerializeItem (Serializer<ToRead>& serializer, u64& val) |
| { |
| u64 nval; |
| serializer.SerializeRawData(&nval, sizeof(u64)); |
| val = NetworkToHost64(nval); |
| } |
| |
| inline void SerializeItem (Serializer<ToWrite>& serializer, u64& val) |
| { |
| u64 nval = HostToNetwork64(val); |
| serializer.SerializeRawData(&nval, sizeof(u64)); |
| } |
| |
| inline void SerializeItem (Serializer<ToRead>& serializer, s32& val) |
| { |
| u32 nval; |
| serializer.SerializeRawData(&nval, sizeof(u32)); |
| val = static_cast<s32>(NetworkToHost32(nval)); |
| } |
| |
| inline void SerializeItem (Serializer<ToWrite>& serializer, s32& val) |
| { |
| u32 nval = HostToNetwork32(static_cast<u32>(val)); |
| serializer.SerializeRawData(&nval, sizeof(u32)); |
| } |
| |
| inline void SerializeItem (Serializer<ToRead>& serializer, bool& v) |
| { |
| u8 byte; |
| serializer.Serialize(byte); |
| if (byte == 0) v = false; |
| else if (byte == 1) v = true; |
| else throw std::runtime_error("SerializeItem(Serializer<ToRead>, bool) invalid bool value"); |
| } |
| |
| inline void SerializeItem (Serializer<ToWrite>& serializer, bool& v) |
| { |
| u8 byte = v?1:0; |
| serializer.Serialize(byte); |
| } |
| |
| inline void SerializeSize (Serializer<ToWrite>& serializer, msize size) |
| { |
| if (size > std::numeric_limits<u32>::max()) throw std::runtime_error("length of a container is too big"); |
| u32 size32 = (u32)size; |
| serializer.Serialize(size32); |
| } |
| |
| inline void SerializeSize (Serializer<ToRead>& serializer, msize& size) |
| { |
| u32 size32; |
| serializer.Serialize(size32); |
| size = size32; |
| } |
| |
| inline void SerializeItem (Serializer<ToRead>& serializer, string& str) |
| { |
| msize size; |
| SerializeSize(serializer, size); |
| |
| vector<char> v(size); |
| serializer.SerializeRawData(v.data(), v.size()); |
| str.assign(v.begin(), v.end()); |
| } |
| |
| inline void SerializeItem (Serializer<ToWrite>& serializer, const string& str) |
| { |
| SerializeSize(serializer, str.size()); |
| serializer.SerializeRawData(str.data(), str.size()); |
| } |
| |
| template <typename T> |
| inline void SerializeItem(Serializer<ToWrite>& serializer, std::vector<T>& v) |
| { |
| msize ms = v.size(); |
| SerializeSize(serializer, ms); |
| |
| for (msize i{}; i < v.size(); ++i) |
| { |
| serializer.Serialize(v[i]); |
| } |
| } |
| |
| template <typename T> |
| inline void SerializeItem(Serializer<ToRead>& serializer, std::vector<T>& v) |
| { |
| msize size; |
| SerializeSize(serializer, size); |
| v.clear(); |
| for (msize i{}; i < size; ++i) |
| { |
| T item; |
| SerializeItem(serializer, item); |
| v.push_back(std::move(item)); |
| } |
| } |
| |
| template <> |
| inline void SerializeItem (Serializer<ToWrite>& serializer, std::vector<u8>& v) |
| { |
| SerializeSize(serializer, v.size()); |
| serializer.SerializeRawData(v.data(), v.size()); |
| } |
| |
| template <> |
| inline void SerializeItem (Serializer<ToRead>& serializer, std::vector<u8>& v) |
| { |
| msize size; |
| SerializeSize(serializer, size); |
| |
| v.clear(); |
| v.resize(size); |
| serializer.SerializeRawData(v.data(), v.size()); |
| } |
| |
| template <typename K, typename V> |
| inline void SerializeItem (Serializer<ToRead>& serializer, std::map<K, V>& v) |
| { |
| msize size; |
| SerializeSize(serializer, size); |
| v.clear(); |
| for (msize i{}; i < size; ++i) |
| { |
| std::pair<K, V> p; |
| serializer.Serialize(p.first, p.second); |
| v.insert(std::move(p)); |
| } |
| } |
| |
| template <typename K, typename V> |
| inline void SerializeItem (Serializer<ToWrite>& serializer, std::map<K, V>& v) |
| { |
| SerializeSize(serializer, v.size()); |
| for (auto& p : v) |
| { |
| serializer.Serialize(p.first, p.second); |
| } |
| } |
| |
| template <typename T> |
| inline void SerializeItem (Serializer<ToRead>& serializer, std::set<T>& v) |
| { |
| msize size; |
| SerializeSize(serializer, size); |
| v.clear(); |
| for (msize i{}; i < size; ++i) |
| { |
| T item; |
| SerializeItem(serializer, item); |
| v.insert(std::move(item)); |
| } |
| } |
| |
| template <typename T> |
| inline void SerializeItem (Serializer<ToWrite>& serializer, std::set<T>& v) |
| { |
| SerializeSize(serializer, v.size()); |
| for (auto& i : v) SerializeItem(serializer, i); |
| } |
| |
| template <typename T> |
| inline vector<u8> Serialize(T& data) |
| { |
| vector<u8> result; |
| Serializer<ToWrite>{result}.SerializeObject(data); |
| return result; |
| } |
| |
| template <typename T> |
| inline T Deserialize(vector<u8>& buffer) |
| { |
| T result; |
| Serializer<ToRead>{buffer}.SerializeObject(result); |
| return result; |
| } |
| |
| } |
| |
| #endif // _VKSSERIALIZER_HPP |