Chris@16: //
Chris@16: // detail/winrt_utils.hpp
Chris@16: // ~~~~~~~~~~~~~~~~~~~~~~
Chris@16: //
Chris@101: // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: 
Chris@16: #ifndef BOOST_ASIO_DETAIL_WINRT_UTILS_HPP
Chris@16: #define BOOST_ASIO_DETAIL_WINRT_UTILS_HPP
Chris@16: 
Chris@16: #if defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16: # pragma once
Chris@16: #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16: 
Chris@16: #include <boost/asio/detail/config.hpp>
Chris@16: 
Chris@16: #if defined(BOOST_ASIO_WINDOWS_RUNTIME)
Chris@16: 
Chris@16: #include <codecvt>
Chris@16: #include <cstdlib>
Chris@16: #include <future>
Chris@16: #include <locale>
Chris@16: #include <memory>
Chris@16: #include <robuffer.h>
Chris@16: #include <windows.storage.streams.h>
Chris@16: #include <wrl/implements.h>
Chris@16: #include <boost/asio/buffer.hpp>
Chris@16: #include <boost/system/error_code.hpp>
Chris@16: #include <boost/asio/detail/addressof.hpp>
Chris@16: #include <boost/asio/detail/socket_ops.hpp>
Chris@16: 
Chris@16: #include <boost/asio/detail/push_options.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace asio {
Chris@16: namespace detail {
Chris@16: namespace winrt_utils {
Chris@16: 
Chris@16: inline Platform::String^ string(const char* from)
Chris@16: {
Chris@16:   std::wstring tmp(from, from + std::strlen(from));
Chris@16:   return ref new Platform::String(tmp.c_str());
Chris@16: }
Chris@16: 
Chris@16: inline Platform::String^ string(const std::string& from)
Chris@16: {
Chris@16:   std::wstring tmp(from.begin(), from.end());
Chris@16:   return ref new Platform::String(tmp.c_str());
Chris@16: }
Chris@16: 
Chris@16: inline std::string string(Platform::String^ from)
Chris@16: {
Chris@16:   std::wstring_convert<std::codecvt_utf8<wchar_t>> converter;
Chris@16:   return converter.to_bytes(from->Data());
Chris@16: }
Chris@16: 
Chris@16: inline Platform::String^ string(unsigned short from)
Chris@16: {
Chris@16:   return string(std::to_string(from));
Chris@16: }
Chris@16: 
Chris@16: template <typename T>
Chris@16: inline Platform::String^ string(const T& from)
Chris@16: {
Chris@16:   return string(from.to_string());
Chris@16: }
Chris@16: 
Chris@16: inline int integer(Platform::String^ from)
Chris@16: {
Chris@16:   return _wtoi(from->Data());
Chris@16: }
Chris@16: 
Chris@16: template <typename T>
Chris@16: inline Windows::Networking::HostName^ host_name(const T& from)
Chris@16: {
Chris@16:   return ref new Windows::Networking::HostName((string)(from));
Chris@16: }
Chris@16: 
Chris@16: template <typename ConstBufferSequence>
Chris@16: inline Windows::Storage::Streams::IBuffer^ buffer_dup(
Chris@16:     const ConstBufferSequence& buffers)
Chris@16: {
Chris@16:   using Microsoft::WRL::ComPtr;
Chris@16:   std::size_t size = boost::asio::buffer_size(buffers);
Chris@16:   auto b = ref new Windows::Storage::Streams::Buffer(size);
Chris@16:   ComPtr<IInspectable> insp = reinterpret_cast<IInspectable*>(b);
Chris@16:   ComPtr<Windows::Storage::Streams::IBufferByteAccess> bacc;
Chris@16:   insp.As(&bacc);
Chris@16:   byte* bytes = nullptr;
Chris@16:   bacc->Buffer(&bytes);
Chris@16:   boost::asio::buffer_copy(boost::asio::buffer(bytes, size), buffers);
Chris@16:   b->Length = size;
Chris@16:   return b;
Chris@16: }
Chris@16: 
Chris@16: } // namespace winrt_utils
Chris@16: } // namespace detail
Chris@16: } // namespace asio
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #include <boost/asio/detail/pop_options.hpp>
Chris@16: 
Chris@16: #endif // defined(BOOST_ASIO_WINDOWS_RUNTIME)
Chris@16: 
Chris@16: #endif // BOOST_ASIO_DETAIL_WINRT_UTILS_HPP