/*
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* Copyright Andrey Semashev 2007 - 2015.
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*/
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/*!
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* \file embedded_string_type.hpp
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* \author Andrey Semashev
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* \date 16.08.2009
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*
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* This header is the Boost.Log library implementation, see the library documentation
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* at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
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*/
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#ifndef BOOST_LOG_DETAIL_EMBEDDED_STRING_TYPE_HPP_INCLUDED_
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#define BOOST_LOG_DETAIL_EMBEDDED_STRING_TYPE_HPP_INCLUDED_
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#include <string>
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#include <boost/type_traits/remove_cv.hpp>
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#include <boost/log/detail/config.hpp>
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#include <boost/log/detail/header.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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namespace boost {
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BOOST_LOG_OPEN_NAMESPACE
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namespace aux {
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template< typename T, typename ArgT >
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struct make_embedded_string_type_impl
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{
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typedef ArgT type;
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};
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template< typename ArgT >
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struct make_embedded_string_type_impl< char, ArgT >
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{
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typedef std::basic_string< char > type;
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};
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template< typename ArgT >
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struct make_embedded_string_type_impl< const char, ArgT >
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{
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typedef std::basic_string< char > type;
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};
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template< typename ArgT >
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struct make_embedded_string_type_impl< wchar_t, ArgT >
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{
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typedef std::basic_string< wchar_t > type;
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};
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template< typename ArgT >
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struct make_embedded_string_type_impl< const wchar_t, ArgT >
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{
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typedef std::basic_string< wchar_t > type;
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};
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#if !defined(BOOST_NO_CXX11_CHAR16_T)
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template< typename ArgT >
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struct make_embedded_string_type_impl< char16_t, ArgT >
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{
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typedef std::basic_string< char16_t > type;
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};
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template< typename ArgT >
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struct make_embedded_string_type_impl< const char16_t, ArgT >
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{
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typedef std::basic_string< char16_t > type;
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};
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#endif
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#if !defined(BOOST_NO_CXX11_CHAR32_T)
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template< typename ArgT >
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struct make_embedded_string_type_impl< char32_t, ArgT >
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{
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typedef std::basic_string< char32_t > type;
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};
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template< typename ArgT >
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struct make_embedded_string_type_impl< const char32_t, ArgT >
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{
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typedef std::basic_string< char32_t > type;
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};
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#endif
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//! An auxiliary type translator to store strings by value in function objects and attribute values
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template< typename ArgT >
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struct make_embedded_string_type :
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public remove_cv< ArgT >
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{
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};
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template< typename ArgT >
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struct make_embedded_string_type< ArgT* > :
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public make_embedded_string_type_impl< ArgT, ArgT* >
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{
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};
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template< typename ArgT, unsigned int CountV >
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struct make_embedded_string_type< ArgT[CountV] > :
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public make_embedded_string_type_impl< ArgT, ArgT[CountV] >
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{
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};
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template< typename ArgT, unsigned int CountV >
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struct make_embedded_string_type< ArgT(&)[CountV] > :
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public make_embedded_string_type_impl< ArgT, ArgT(&)[CountV] >
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{
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};
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} // namespace aux
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BOOST_LOG_CLOSE_NAMESPACE // namespace log
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} // namespace boost
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#include <boost/log/detail/footer.hpp>
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#endif // BOOST_LOG_DETAIL_EMBEDDED_STRING_TYPE_HPP_INCLUDED_
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