Initial Commit

include/asio/detail/winrt_utils.hpp

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+//
+// detail/winrt_utils.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2025 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 http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_WINRT_UTILS_HPP
+#define ASIO_DETAIL_WINRT_UTILS_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if defined(ASIO_WINDOWS_RUNTIME)
+
+#include <codecvt>
+#include <cstdlib>
+#include <future>
+#include <locale>
+#include <robuffer.h>
+#include <windows.storage.streams.h>
+#include <wrl/implements.h>
+#include "asio/buffer.hpp"
+#include "asio/error_code.hpp"
+#include "asio/detail/memory.hpp"
+#include "asio/detail/socket_ops.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+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 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;
+  insp.As(&bacc);
+  byte* bytes = nullptr;
+  bacc->Buffer(&bytes);
+  asio::buffer_copy(asio::buffer(bytes, size), buffers);
+  b->Length = size;
+  return b;
+}
+
+} // namespace winrt_utils
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // defined(ASIO_WINDOWS_RUNTIME)
+
+#endif // ASIO_DETAIL_WINRT_UTILS_HPP