tdlight/td/tl/tl_dotnet_object.h

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
//
// 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)
//
#pragma once
#include "td/utils/port/CxCli.h"
#include "td/telegram/td_api.h"
#include "td/telegram/td_api.hpp"
namespace Telegram {
namespace Td {
namespace Api {
using namespace CxCli;
public ref class NativeObject sealed {
public:
virtual ~NativeObject() {
if (data != nullptr) {
get_object_ptr();
}
}
internal:
explicit NativeObject(td::td_api::BaseObject *fromData) {
data = static_cast<void *>(fromData);
}
td::td_api::object_ptr<td::td_api::BaseObject> get_object_ptr() {
auto res = static_cast<td::td_api::BaseObject *>(data);
data = nullptr;
return td::td_api::object_ptr<td::td_api::BaseObject>(res);
}
void *data;
};
public interface class BaseObject {
public:
virtual NativeObject^ ToUnmanaged();
};
// from unmanaged
inline bool FromUnmanaged(bool val) {
return val;
}
inline int32 FromUnmanaged(int32 val) {
return val;
}
inline int64 FromUnmanaged(int64 val) {
return val;
}
inline float64 FromUnmanaged(float64 val) {
return val;
}
inline String^ FromUnmanaged(const std::string &from) {
return string_from_unmanaged(from);
}
inline auto CLRCALL BytesFromUnmanaged(const std::string &from) {
Array<BYTE>^ res = REF_NEW Vector<BYTE>(static_cast<ArrayIndexType>(from.size()));
ArrayIndexType i = 0;
for (auto b : from) {
ArraySet(res, i++, b);
}
return res;
}
template <class FromT>
auto CLRCALL FromUnmanaged(std::vector<FromT> &vec) {
using ToT = decltype(FromUnmanaged(vec[0]));
Array<ToT>^ res = REF_NEW Vector<ToT>(static_cast<ArrayIndexType>(vec.size()));
ArrayIndexType i = 0;
for (auto &from : vec) {
ArraySet(res, i++, FromUnmanaged(from));
}
return res;
}
inline auto CLRCALL BytesFromUnmanaged(const std::vector<std::string> &vec) {
using ToT = decltype(BytesFromUnmanaged(vec[0]));
Array<ToT>^ res = REF_NEW Vector<ToT>(static_cast<ArrayIndexType>(vec.size()));
ArrayIndexType i = 0;
for (auto &from : vec) {
ArraySet(res, i++, BytesFromUnmanaged(from));
}
return res;
}
template <class T>
auto CLRCALL FromUnmanaged(td::td_api::object_ptr<T> &from) -> decltype(FromUnmanaged(*from.get())) {
if (!from) {
return nullptr;
}
return FromUnmanaged(*from.get());
}
#if TD_CLI
template <class ResT>
ref class CallFromUnmanagedRes {
public:
[System::ThreadStaticAttribute]
static property ResT res;
};
template <class ResT>
struct CallFromUnmanaged {
template <class T>
void operator()(T &val) const {
CallFromUnmanagedRes<ResT>::res = FromUnmanaged(val);
}
};
#endif
template <class ResT, class T>
ResT DoFromUnmanaged(T &from) {
#if TD_WINRT
ResT res;
downcast_call(from, [&](auto &from_downcasted) {
res = FromUnmanaged(from_downcasted);
});
return res;
#elif TD_CLI
CallFromUnmanaged<ResT> res;
downcast_call(from, res);
return CallFromUnmanagedRes<ResT>::res;
#endif
}
inline BaseObject^ FromUnmanaged(td::td_api::Function &from) {
return DoFromUnmanaged<BaseObject^>(from);
}
inline BaseObject^ FromUnmanaged(td::td_api::Object &from) {
return DoFromUnmanaged<BaseObject^>(from);
}
// to unmanaged
inline bool ToUnmanaged(bool val) {
return val;
}
inline int32 ToUnmanaged(int32 val) {
return val;
}
inline int64 ToUnmanaged(int64 val) {
return val;
}
inline float64 ToUnmanaged(float64 val) {
return val;
}
inline std::string ToUnmanaged(String ^from) {
return string_to_unmanaged(from);
}
inline std::string ToUnmanaged(Array<BYTE>^ from) {
if (!from) {
return std::string();
}
ArrayIndexType size = ArraySize(from);
std::string res(size, '\0');
for (ArrayIndexType i = 0; i < size; i++) {
res[i] = static_cast<char>(ArrayGet(from, i));
}
return res;
}
template <class FromT>
auto ToUnmanaged(Array<FromT>^ from) {
std::vector<decltype(ToUnmanaged(ArrayGet(from, 0)))> res;
if (from && ArraySize(from)) {
ArrayIndexType size = ArraySize(from);
res.reserve(size);
for (ArrayIndexType i = 0; i < size; i++) {
res.push_back(ToUnmanaged(ArrayGet(from, i)));
}
}
return res;
}
inline NativeObject^ ToUnmanaged(BaseObject^ from) {
if (!from) {
return REF_NEW NativeObject(nullptr);
}
return from->ToUnmanaged();
}
inline String^ ToString(BaseObject^ from) {
return string_from_unmanaged(td::td_api::to_string(ToUnmanaged(from)->get_object_ptr()));
}
} // namespace Api
} // namespace Td
} // namespace Telegram