/*
|
* Copyright Andrey Semashev 2007 - 2015.
|
* 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 deduce_char_type.hpp
|
* \author Andrey Semashev
|
* \date 17.11.2012
|
*
|
* \brief 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_DEDUCE_CHAR_TYPE_HPP_INCLUDED_
|
#define BOOST_LOG_DETAIL_DEDUCE_CHAR_TYPE_HPP_INCLUDED_
|
|
#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 >
|
struct deduced_char_type;
|
|
template< >
|
struct deduced_char_type< char >
|
{
|
typedef char type;
|
};
|
|
template< >
|
struct deduced_char_type< const char >
|
{
|
typedef char type;
|
};
|
|
template< >
|
struct deduced_char_type< wchar_t >
|
{
|
typedef wchar_t type;
|
};
|
|
template< >
|
struct deduced_char_type< const wchar_t >
|
{
|
typedef wchar_t type;
|
};
|
|
//! Auxiliary traits to detect character type from a string
|
template< typename RangeT >
|
struct deduce_char_type :
|
public deduced_char_type< typename RangeT::value_type >
|
{
|
};
|
|
template< typename T >
|
struct deduce_char_type< T* > :
|
public deduced_char_type< T >
|
{
|
};
|
|
template< typename T >
|
struct deduce_char_type< T* const > :
|
public deduced_char_type< T >
|
{
|
};
|
|
template< typename T, unsigned int CountV >
|
struct deduce_char_type< T[CountV] > :
|
public deduced_char_type< T >
|
{
|
};
|
|
template< typename T >
|
struct deduce_char_type< T& > :
|
public deduce_char_type< T >
|
{
|
};
|
|
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
|
|
template< typename T >
|
struct deduce_char_type< T&& > :
|
public deduce_char_type< T >
|
{
|
};
|
|
#endif
|
|
} // namespace aux
|
|
BOOST_LOG_CLOSE_NAMESPACE // namespace log
|
|
} // namespace boost
|
|
#include <boost/log/detail/footer.hpp>
|
|
#endif // BOOST_LOG_DETAIL_DEDUCE_CHAR_TYPE_HPP_INCLUDED_
|
