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78 lines
2.4 KiB
78 lines
2.4 KiB
// Copyright 2018-2019 Antony Polukhin. |
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// |
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// Distributed under the Boost Software License, Version 1.0. |
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// (See accompanying file LICENSE_1_0.txt |
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// or copy at http://www.boost.org/LICENSE_1_0.txt) |
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/// \file boost/dll/config.hpp |
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/// \brief Imports filesystem, error_code, errc, system_error, make_error_code from Boost or C++17 into `boost::dll::fs` namespace. |
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#ifndef BOOST_DLL_DETAIL_CONFIG_HPP |
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#define BOOST_DLL_DETAIL_CONFIG_HPP |
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#include <boost/config.hpp> |
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#ifdef BOOST_HAS_PRAGMA_ONCE |
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# pragma once |
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#endif |
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#ifdef BOOST_DLL_DOXYGEN |
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/// Define this macro to make Boost.DLL use C++17's std::filesystem::path, std::system_error and std::error_code. |
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#define BOOST_DLL_USE_STD_FS BOOST_DLL_USE_STD_FS |
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/// This namespace contains aliases to the Boost or C++17 classes. Aliases are configured using BOOST_DLL_USE_STD_FS macro. |
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namespace boost { namespace dll { namespace fs { |
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/// Alias to `std::filesystem::path` if \forcedmacrolink{BOOST_DLL_USE_STD_FS} is defined by user. |
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/// Alias to `boost::filesystem::path` otherwise. |
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using path = std::conditional_t<BOOST_DLL_USE_STD_FS, std::filesystem::path, boost::filesystem::path>; |
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/// Alias to `std::error_code` if \forcedmacrolink{BOOST_DLL_USE_STD_FS} is defined by user. |
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/// boost::system::error_code otherwise. |
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using error_code = std::conditional_t<BOOST_DLL_USE_STD_FS, std::error_code, boost::system::error_code>; |
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/// Alias to `std::system_error` if \forcedmacrolink{BOOST_DLL_USE_STD_FS} is defined by user. |
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/// Alias to `boost::system::system_error` otherwise. |
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using system_error = std::conditional_t<BOOST_DLL_USE_STD_FS, std::system_error, boost::system::system_error>; |
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}}} |
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#endif |
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#ifdef BOOST_DLL_USE_STD_FS |
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#include <filesystem> |
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#include <system_error> |
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namespace boost { namespace dll { namespace fs { |
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using namespace std::filesystem; |
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using std::error_code; |
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using std::system_error; |
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using std::make_error_code; |
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using std::errc; |
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using std::system_category; |
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}}} |
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#else // BOOST_DLL_USE_STD_FS |
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#include <boost/filesystem/path.hpp> |
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#include <boost/filesystem/operations.hpp> |
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#include <boost/system/error_code.hpp> |
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namespace boost { namespace dll { namespace fs { |
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using namespace boost::filesystem; |
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using boost::system::error_code; |
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using boost::system::system_error; |
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using boost::system::errc::make_error_code; |
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namespace errc = boost::system::errc; |
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using boost::system::system_category; |
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}}} |
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#endif // BOOST_DLL_USE_STD_FS |
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#endif // BOOST_DLL_DETAIL_PUSH_OPTIONS_HPP |
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