//  Boost string_algo library trim.hpp header file  ---------------------------//

//  Copyright Pavol Droba 2002-2003.
//
// 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)

//  See http://www.boost.org/ for updates, documentation, and revision history.

#ifndef BOOST_STRING_TRIM_DETAIL_HPP
#define BOOST_STRING_TRIM_DETAIL_HPP

#include <boost/algorithm/string/config.hpp>
#include <iterator>

namespace boost {
    namespace algorithm {
        namespace detail {

//  trim iterator helper -----------------------------------------------//

            template< typename ForwardIteratorT, typename PredicateT >
            inline ForwardIteratorT trim_end_iter_select(
                ForwardIteratorT InBegin,
                ForwardIteratorT InEnd,
                PredicateT IsSpace,
                std::forward_iterator_tag )
            {
                ForwardIteratorT TrimIt=InBegin;

                for( ForwardIteratorT It=InBegin; It!=InEnd; ++It )
                {
                    if ( !IsSpace(*It) )
                    {
                        TrimIt=It;
                        ++TrimIt;
                    }
                }

                return TrimIt;
            }

            template< typename ForwardIteratorT, typename PredicateT >
            inline ForwardIteratorT trim_end_iter_select(
                ForwardIteratorT InBegin,
                ForwardIteratorT InEnd,
                PredicateT IsSpace,
                std::bidirectional_iterator_tag )
            {
