整理

2026-03-23 20:54:41 +08:00
commit e13b3650e9
4596 changed files with 1015768 additions and 0 deletions
--- a/include/boost/process/v2/detail/utf8.hpp
+++ b/include/boost/process/v2/detail/utf8.hpp
@@ -0,0 +1,94 @@
+// Copyright (c) 2022 Klemens D. Morgenstern
+//
+// 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 BOOST_PROCESS_V2_DETAIL_UTF8_HPP
+#define BOOST_PROCESS_V2_DETAIL_UTF8_HPP
+
+#include <boost/process/v2/detail/config.hpp>
+#include <boost/process/v2/detail/throw_error.hpp>
+
+BOOST_PROCESS_V2_BEGIN_NAMESPACE
+
+namespace detail
+{
+
+BOOST_PROCESS_V2_DECL std::size_t size_as_utf8(const wchar_t * in, std::size_t size, error_code & ec);
+BOOST_PROCESS_V2_DECL std::size_t size_as_wide(const  char   * in, std::size_t size, error_code & ec);
+
+BOOST_PROCESS_V2_DECL std::size_t convert_to_utf8(const wchar_t * in, std::size_t size, 
+                                                   char   * out, std::size_t max_size, error_code & ec);
+BOOST_PROCESS_V2_DECL std::size_t convert_to_wide(const  char   * in, std::size_t size,  
+                                                  wchar_t * out, std::size_t max_size, error_code & ec);
+
+template<typename CharOut, typename Traits = std::char_traits<CharOut>, 
+         typename Allocator = std::allocator<CharOut>, typename CharIn,
+         typename = typename std::enable_if<std::is_same<CharOut, CharIn>::value>::type> 
+std::basic_string<CharOut, Traits, Allocator> conv_string(
+    const CharIn * data, std::size_t size, 
+    const Allocator allocator = Allocator{})
+{
+    return std::basic_string<CharOut, Traits, Allocator>(data, size, allocator);
+}
+
+
+template<typename CharOut, typename Traits = std::char_traits<CharOut>, 
+         typename Allocator = std::allocator<CharOut>,
+         typename = typename std::enable_if<std::is_same<CharOut, char>::value>::type> 
+std::basic_string<CharOut, Traits, Allocator> conv_string(
+    const wchar_t * data, std::size_t size, 
+    const Allocator allocator = Allocator{})
+{
+    error_code ec;
+    const auto req_size = size_as_utf8(data, size, ec);
+    if (ec)
+        detail::throw_error(ec, "size_as_utf8");
+
+
+    std::basic_string<CharOut, Traits, Allocator> res(allocator);
+    res.resize(req_size);
+
+    if (req_size == 0)
+        return res;
+
+
+    auto res_size = convert_to_utf8(data, size, &res.front(), req_size,  ec);
+    if (ec)
+        detail::throw_error(ec, "convert_to_utf8");
+
+    res.resize(res_size);
+    return res;
+}
+
+template<typename CharOut, typename Traits = std::char_traits<CharOut>, 
+         typename Allocator = std::allocator<CharOut>,
+         typename = typename std::enable_if<std::is_same<CharOut, wchar_t>::value>::type> 
+std::basic_string<CharOut, Traits, Allocator> conv_string(
+    const char * data, std::size_t size, 
+    const Allocator allocator = Allocator{})
+{
+    error_code ec;
+    const auto req_size = size_as_wide(data, size, ec);
+    if (ec)
+        detail::throw_error(ec, "size_as_wide");
+
+    std::basic_string<CharOut, Traits, Allocator> res(allocator);
+    res.resize(req_size);
+
+    if (req_size == 0)
+        return res;
+
+    auto res_size = convert_to_wide(data, size, &res.front(), req_size,  ec);
+    if (ec)
+        detail::throw_error(ec, "convert_to_wide");
+
+    res.resize(res_size);
+    return res;
+}
+
+}
+
+BOOST_PROCESS_V2_END_NAMESPACE
+
+
+#endif //BOOST_PROCESS_V2_DETAIL_UTF8_HPP