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// detail/winrt_utils.hpp
// ~~~~~~~~~~~~~~~~~~~~~~
// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at


#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)

#include <boost/asio/detail/config.hpp>


#include <codecvt>
#include <cstdlib>
#include <future>
#include <locale>
#include <robuffer.h>
#include <>
#include <wrl/implements.h>
#include <boost/asio/buffer.hpp>
#include <boost/system/error_code.hpp>
#include <boost/asio/detail/memory.hpp>
#include <boost/asio/detail/socket_ops.hpp>

#include <boost/asio/detail/push_options.hpp>

namespace boost {
namespace asio {
namespace detail {
namespace winrt_utils {

inline Platform::String^ string(const char* from)
  std::wstring tmp(from, from + std::strlen(from));
  return ref new Platform::String(tmp.c_str());

inline Platform::String^ string(const std::string& from)
  std::wstring tmp(from.begin(), from.end());
  return ref new Platform::String(tmp.c_str());

inline std::string string(Platform::String^ from)
  std::wstring_convert<std::codecvt_utf8<wchar_t>> converter;
  return converter.to_bytes(from->Data());

inline Platform::String^ string(unsigned short from)
  return string(std::to_string(from));

template <typename T>
inline Platform::String^ string(const T& from)
  return string(from.to_string());

inline int integer(Platform::String^ from)
  return _wtoi(from->Data());

template <typename T>
inline Windows::Networking::HostName^ host_name(const T& from)
  return ref new Windows::Networking::HostName((string)(from));

template <typename ConstBufferSequence>
inline Windows::Storage::Streams::IBuffer^ buffer_dup(
    const ConstBufferSequence& buffers)
  using Microsoft::WRL::ComPtr;
  using boost::asio::buffer_size;
  std::size_t size = buffer_size(buffers);
  auto b = ref new Windows::Storage::Streams::Buffer(size);
  ComPtr<IInspectable> insp = reinterpret_cast<IInspectable*>(b);
  ComPtr<Windows::Storage::Streams::IBufferByteAccess> bacc;
  byte* bytes = nullptr;
  boost::asio::buffer_copy(boost::asio::buffer(bytes, size), buffers);
  b->Length = size;
  return b;

} // namespace winrt_utils
} // namespace detail
} // namespace asio
} // namespace boost

#include <boost/asio/detail/pop_options.hpp>