Chris@16: //  Boost string_algo library formatter.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_FORMATTER_DETAIL_HPP
Chris@16: #define BOOST_STRING_FORMATTER_DETAIL_HPP
Chris@16: 
Chris@16: 
Chris@16: #include <boost/range/iterator_range_core.hpp>
Chris@16: #include <boost/range/begin.hpp>
Chris@16: #include <boost/range/end.hpp>
Chris@16: #include <boost/range/const_iterator.hpp>
Chris@16: 
Chris@16: #include <boost/algorithm/string/detail/util.hpp>
Chris@16: 
Chris@16: //  generic replace functors -----------------------------------------------//
Chris@16: 
Chris@16: namespace boost {
Chris@16:     namespace algorithm {
Chris@16:         namespace detail {
Chris@16: 
Chris@16: //  const format functor ----------------------------------------------------//
Chris@16: 
Chris@16:             // constant format functor
Chris@16:             template<typename RangeT>
Chris@16:             struct const_formatF
Chris@16:             {
Chris@16:             private:
Chris@16:                 typedef BOOST_STRING_TYPENAME
Chris@16:                     range_const_iterator<RangeT>::type format_iterator;
Chris@16:                 typedef iterator_range<format_iterator> result_type;
Chris@16:             
Chris@16:             public:
Chris@16:                 // Construction
Chris@16:                 const_formatF(const RangeT& Format) :
Chris@16:                     m_Format(::boost::begin(Format), ::boost::end(Format)) {}
Chris@16: 
Chris@16:                 // Operation
Chris@16: #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
Chris@16:                 template<typename Range2T>
Chris@16:                 result_type& operator()(const Range2T&)
Chris@16:                 {
Chris@16:                     return m_Format;
Chris@16:                 }
Chris@16: #endif
Chris@16: 
Chris@16:                 template<typename Range2T>
Chris@16:                 const result_type& operator()(const Range2T&) const
Chris@16:                 {
Chris@16:                     return m_Format;
Chris@16:                 }
Chris@16: 
Chris@16:             private:
Chris@16:                 result_type m_Format;
Chris@16:             };
Chris@16: 
Chris@16: //  identity format functor ----------------------------------------------------//
Chris@16: 
Chris@16:             // identity format functor
Chris@16:             template<typename RangeT>
Chris@16:             struct identity_formatF
Chris@16:             {
Chris@16:                 // Operation
Chris@16:                 template< typename Range2T >
Chris@16:                 const RangeT& operator()(const Range2T& Replace) const
Chris@16:                 {
Chris@16:                     return RangeT(::boost::begin(Replace), ::boost::end(Replace));
Chris@16:                 }
Chris@16:             };
Chris@16: 
Chris@16: //  empty format functor ( used by erase ) ------------------------------------//
Chris@16:         
Chris@16:             // empty format functor
Chris@16:             template< typename CharT >
Chris@16:             struct empty_formatF
Chris@16:             {
Chris@16:                 template< typename ReplaceT >
Chris@16:                 empty_container<CharT> operator()(const ReplaceT&) const
Chris@16:                 {
Chris@16:                     return empty_container<CharT>();
Chris@16:                 }
Chris@16:             };
Chris@16: 
Chris@16: //  dissect format functor ----------------------------------------------------//
Chris@16: 
Chris@16:             // dissect format functor
Chris@16:             template<typename FinderT>
Chris@16:             struct dissect_formatF
Chris@16:             {
Chris@16:             public:
Chris@16:                 // Construction
Chris@16:                 dissect_formatF(FinderT Finder) :
Chris@16:                   m_Finder(Finder) {}
Chris@16: 
Chris@16:                   // Operation
Chris@16:                   template<typename RangeT>
Chris@16:                   inline iterator_range< 
Chris@16:                       BOOST_STRING_TYPENAME range_const_iterator<RangeT>::type>
Chris@16:                   operator()(const RangeT& Replace) const
Chris@16:                   {
Chris@16:                       return m_Finder(::boost::begin(Replace), ::boost::end(Replace));
Chris@16:                   }
Chris@16: 
Chris@16:             private:
Chris@16:                 FinderT m_Finder;
Chris@16:             };
Chris@16: 
Chris@16: 
Chris@16:         } // namespace detail
Chris@16:     } // namespace algorithm
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif  // BOOST_STRING_FORMATTER_DETAIL_HPP