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/*
* Copyright Andrey Semashev 2007 - 2014.
* 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)
*/
/*!
* \file embedded_string_type.hpp
* \author Andrey Semashev
* \date 16.08.2009
*
* This header is the Boost.Log library implementation, see the library documentation
* at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
*/
#ifndef BOOST_LOG_DETAIL_EMBEDDED_STRING_TYPE_HPP_INCLUDED_
#define BOOST_LOG_DETAIL_EMBEDDED_STRING_TYPE_HPP_INCLUDED_
#include <string>
#include <boost/type_traits/remove_cv.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace aux {
template< typename T, typename ArgT >
struct make_embedded_string_type_impl
{
typedef ArgT type;
};
template< typename ArgT >
struct make_embedded_string_type_impl< char, ArgT >
{
typedef std::basic_string< char > type;
};
template< typename ArgT >
struct make_embedded_string_type_impl< const char, ArgT >
{
typedef std::basic_string< char > type;
};
template< typename ArgT >
struct make_embedded_string_type_impl< wchar_t, ArgT >
{
typedef std::basic_string< wchar_t > type;
};
template< typename ArgT >
struct make_embedded_string_type_impl< const wchar_t, ArgT >
{
typedef std::basic_string< wchar_t > type;
};
#if !defined(BOOST_NO_CXX11_CHAR16_T)
template< typename ArgT >
struct make_embedded_string_type_impl< char16_t, ArgT >
{
typedef std::basic_string< char16_t > type;
};
template< typename ArgT >
struct make_embedded_string_type_impl< const char16_t, ArgT >
{
typedef std::basic_string< char16_t > type;
};
#endif
#if !defined(BOOST_NO_CXX11_CHAR32_T)
template< typename ArgT >
struct make_embedded_string_type_impl< char32_t, ArgT >
{
typedef std::basic_string< char32_t > type;
};
template< typename ArgT >
struct make_embedded_string_type_impl< const char32_t, ArgT >
{
typedef std::basic_string< char32_t > type;
};
#endif
//! An auxiliary type translator to store strings by value in function objects and attribute values
template< typename ArgT >
struct make_embedded_string_type :
public remove_cv< ArgT >
{
};
template< typename ArgT >
struct make_embedded_string_type< ArgT* > :
public make_embedded_string_type_impl< ArgT, ArgT* >
{
};
template< typename ArgT, unsigned int CountV >
struct make_embedded_string_type< ArgT[CountV] > :
public make_embedded_string_type_impl< ArgT, ArgT[CountV] >
{
};
template< typename ArgT, unsigned int CountV >
struct make_embedded_string_type< ArgT(&)[CountV] > :
public make_embedded_string_type_impl< ArgT, ArgT(&)[CountV] >
{
};
} // namespace aux
BOOST_LOG_CLOSE_NAMESPACE // namespace log
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_DETAIL_EMBEDDED_STRING_TYPE_HPP_INCLUDED_
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