boost/algorithm/string/detail/case_conv.hpp
// Boost string_algo library string_funct.hpp header file ---------------------------//
// Copyright Pavol Droba 2002-2003. Use, modification and
// distribution is subject to 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)
// See http://www.boost.org for updates, documentation, and revision history.
#ifndef BOOST_STRING_CASE_CONV_DETAIL_HPP
#define BOOST_STRING_CASE_CONV_DETAIL_HPP
#include <boost/algorithm/string/config.hpp>
#include <locale>
#include <functional>
namespace boost {
namespace algorithm {
namespace detail {
// case conversion functors -----------------------------------------------//
// a tolower functor
template<typename CharT>
struct to_lowerF : public std::unary_function<CharT, CharT>
{
// Constructor
to_lowerF( const std::locale& Loc ) : m_Loc( Loc ) {}
// Operation
CharT operator ()( CharT Ch ) const
{
#if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x564) && !defined(_USE_OLD_RW_STL)
return std::tolower( Ch);
#else
return std::tolower<CharT>( Ch, m_Loc );
#endif
}
private:
const std::locale& m_Loc;
};
// a toupper functor
template<typename CharT>
struct to_upperF : public std::unary_function<CharT, CharT>
{
// Constructor
to_upperF( const std::locale& Loc ) : m_Loc( Loc ) {}
// Operation
CharT operator ()( CharT Ch ) const
{
#if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x564) && !defined(_USE_OLD_RW_STL)
return std::toupper( Ch);
#else
return std::toupper<CharT>( Ch, m_Loc );
#endif
}
private:
const std::locale& m_Loc;
};
} // namespace detail
} // namespace algorithm
} // namespace boost
#endif // BOOST_STRING_CASE_CONV_DETAIL_HPP