GL Profile Suite / boost_1_51_0 / boost / algorithm / string / detail / find_iterator.hpp

//  Boost string_algo library find_iterator.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

//  See for updates, documentation, and revision history.


#include <boost/algorithm/string/config.hpp>
#include <boost/range/iterator_range.hpp>
#include <boost/iterator/iterator_facade.hpp>
#include <boost/iterator/iterator_categories.hpp>
#include <boost/function.hpp>

namespace boost {
    namespace algorithm { 
        namespace detail {

//  find_iterator base -----------------------------------------------//

            // Find iterator base
            template<typename IteratorT>
            class find_iterator_base
                // typedefs
                typedef IteratorT input_iterator_type;
                typedef iterator_range<IteratorT> match_type;
                typedef function2<
                    input_iterator_type> finder_type;
            // Protected construction/destruction

                // Default constructor
                find_iterator_base() {};
                // Copy construction
                find_iterator_base( const find_iterator_base& Other ) :
                    m_Finder(Other.m_Finder) {}
                // Constructor
                template<typename FinderT>
                find_iterator_base( FinderT Finder, int ) :
                    m_Finder(Finder) {}

                // Destructor
                ~find_iterator_base() {}

                // Find operation
                match_type do_find( 
                    input_iterator_type Begin,
                    input_iterator_type End ) const
                    if (!m_Finder.empty())
                        return m_Finder(Begin,End);
                        return match_type(End,End);

                // Check
                bool is_null() const
                    return m_Finder.empty();

                // Finder
                finder_type m_Finder;

       } // namespace detail
    } // namespace algorithm
} // namespace boost

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