source: NonGTP/Boost/boost/algorithm/string/concept.hpp @ 857

Revision 857, 2.4 KB checked in by igarcia, 19 years ago (diff)
Line 
1//  Boost string_algo library concept.hpp header file  ---------------------------//
2
3//  Copyright Pavol Droba 2002-2003. Use, modification and
4//  distribution is subject to the Boost Software License, Version
5//  1.0. (See accompanying file LICENSE_1_0.txt or copy at
6//  http://www.boost.org/LICENSE_1_0.txt)
7
8//  See http://www.boost.org for updates, documentation, and revision history.
9
10#ifndef BOOST_STRING_CONCEPT_HPP
11#define BOOST_STRING_CONCEPT_HPP
12
13#include <boost/concept_check.hpp>
14#include <boost/range/iterator_range.hpp>
15#include <boost/range/begin.hpp>
16#include <boost/range/end.hpp>
17
18/*! \file
19    Defines concepts used in string_algo library
20*/
21
22namespace boost {
23    namespace algorithm {
24
25        //! Finder concept
26        /*!
27            Defines the Finder concept. Finder is a functor which selects
28            an arbitrary part of a string. Search is performed on
29            the range specified by starting and ending iterators.
30
31            Result of the find operation must be convertible to iterator_range.
32        */
33        template<typename FinderT, typename IteratorT>
34        struct FinderConcept
35        {
36        private:
37            typedef iterator_range<IteratorT> range;
38        public:
39            void constraints()
40            {
41                // Operation
42                r=(*pF)(i,i);
43            }
44        private:
45            range r;
46            IteratorT i;
47            FinderT* pF;   
48        }; // Finder_concept
49
50       
51        //! Formatter concept
52        /*!
53            Defines the Formatter concept. Formatter is a functor, which
54            takes a result from a finder operation and transforms it
55            in a specific way.
56
57            Result must be a container supported by container_traits,
58            or a reference to it.
59        */
60        template<typename FormatterT, typename FinderT, typename IteratorT>
61        struct FormatterConcept
62        {
63        public:
64            void constraints()
65            {
66                // Operation
67                begin((*pFo)( (*pF)(i,i) ));
68                end((*pFo)( (*pF)(i,i) ));
69            }
70        private:
71            IteratorT i;
72            FinderT* pF;
73            FormatterT *pFo;
74        }; // FormatterConcept;
75
76    } // namespace algorithm
77} // namespace boost
78
79
80
81
82#endif  // BOOST_STRING_CONCEPT_HPP
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