Chris@16: //  Boost string_algo library string_funct.hpp header file  ---------------------------//
Chris@16: 
Chris@16: //  Copyright Pavol Droba 2002-2003.
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0.
Chris@16: //    (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: //          http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org/ for updates, documentation, and revision history.
Chris@16: 
Chris@16: #ifndef BOOST_STRING_CASE_CONV_DETAIL_HPP
Chris@16: #define BOOST_STRING_CASE_CONV_DETAIL_HPP
Chris@16: 
Chris@16: #include <boost/algorithm/string/config.hpp>
Chris@16: #include <locale>
Chris@16: #include <functional>
Chris@16: 
Chris@16: #include <boost/type_traits/make_unsigned.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16:     namespace algorithm {
Chris@16:         namespace detail {
Chris@16: 
Chris@16: //  case conversion functors -----------------------------------------------//
Chris@16: 
Chris@16: #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)
Chris@16: #pragma warning(push)
Chris@16: #pragma warning(disable:4512) //assignment operator could not be generated
Chris@16: #endif
Chris@16: 
Chris@16:             // a tolower functor
Chris@16:             template<typename CharT>
Chris@16:             struct to_lowerF : public std::unary_function<CharT, CharT>
Chris@16:             {
Chris@16:                 // Constructor
Chris@16:                 to_lowerF( const std::locale& Loc ) : m_Loc( &Loc ) {}
Chris@16: 
Chris@16:                 // Operation
Chris@16:                 CharT operator ()( CharT Ch ) const
Chris@16:                 {
Chris@16:                     #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x564) && !defined(_USE_OLD_RW_STL)
Chris@16:                         return std::tolower( static_cast<typename boost::make_unsigned <CharT>::type> ( Ch ));
Chris@16:                     #else
Chris@16:                         return std::tolower<CharT>( Ch, *m_Loc );
Chris@16:                     #endif
Chris@16:                 }
Chris@16:             private:
Chris@16:                 const std::locale* m_Loc;
Chris@16:             };
Chris@16: 
Chris@16:             // a toupper functor
Chris@16:             template<typename CharT>
Chris@16:             struct to_upperF : public std::unary_function<CharT, CharT>
Chris@16:             {
Chris@16:                 // Constructor
Chris@16:                 to_upperF( const std::locale& Loc ) : m_Loc( &Loc ) {}
Chris@16: 
Chris@16:                 // Operation
Chris@16:                 CharT operator ()( CharT Ch ) const
Chris@16:                 {
Chris@16:                     #if defined(__BORLANDC__) && (__BORLANDC__ >= 0x560) && (__BORLANDC__ <= 0x564) && !defined(_USE_OLD_RW_STL)
Chris@16:                         return std::toupper( static_cast<typename boost::make_unsigned <CharT>::type> ( Ch ));
Chris@16:                     #else
Chris@16:                         return std::toupper<CharT>( Ch, *m_Loc );
Chris@16:                     #endif
Chris@16:                 }
Chris@16:             private:
Chris@16:                 const std::locale* m_Loc;
Chris@16:             };
Chris@16: 
Chris@16: #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)
Chris@16: #pragma warning(pop)
Chris@16: #endif
Chris@16: 
Chris@16: // algorithm implementation -------------------------------------------------------------------------
Chris@16: 
Chris@16:             // Transform a range
Chris@16:             template<typename OutputIteratorT, typename RangeT, typename FunctorT>
Chris@16:             OutputIteratorT transform_range_copy(
Chris@16:                 OutputIteratorT Output,
Chris@16:                 const RangeT& Input,
Chris@16:                 FunctorT Functor)
Chris@16:             {
Chris@16:                 return std::transform( 
Chris@16:                     ::boost::begin(Input), 
Chris@16:                     ::boost::end(Input), 
Chris@16:                     Output,
Chris@16:                     Functor);
Chris@16:             }
Chris@16: 
Chris@16:             // Transform a range (in-place)
Chris@16:             template<typename RangeT, typename FunctorT>
Chris@16:             void transform_range(
Chris@16:                 const RangeT& Input,
Chris@16:                 FunctorT Functor)
Chris@16:             {
Chris@16:                 std::transform( 
Chris@16:                     ::boost::begin(Input), 
Chris@16:                     ::boost::end(Input), 
Chris@16:                     ::boost::begin(Input),
Chris@16:                     Functor);
Chris@16:             }
Chris@16: 
Chris@16:             template<typename SequenceT, typename RangeT, typename FunctorT>
Chris@16:             inline SequenceT transform_range_copy( 
Chris@16:                 const RangeT& Input, 
Chris@16:                 FunctorT Functor)
Chris@16:             {
Chris@16:                 return SequenceT(
Chris@16:                     ::boost::make_transform_iterator(
Chris@16:                         ::boost::begin(Input),
Chris@16:                         Functor),
Chris@16:                     ::boost::make_transform_iterator(
Chris@16:                         ::boost::end(Input), 
Chris@16:                         Functor));
Chris@16:             }
Chris@16: 
Chris@16:         } // namespace detail
Chris@16:     } // namespace algorithm
Chris@16: } // namespace boost
Chris@16: 
Chris@16: 
Chris@16: #endif  // BOOST_STRING_CASE_CONV_DETAIL_HPP