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// Boost string_algo library concept.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_CONCEPT_HPP
#define BOOST_STRING_CONCEPT_HPP
#include <boost/concept_check.hpp>
#include <boost/range/iterator_range_core.hpp>
#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>
/*! \file
Defines concepts used in string_algo library
*/
namespace boost {
namespace algorithm {
//! Finder concept
/*!
Defines the Finder concept. Finder is a functor which selects
an arbitrary part of a string. Search is performed on
the range specified by starting and ending iterators.
Result of the find operation must be convertible to iterator_range.
*/
template<typename FinderT, typename IteratorT>
struct FinderConcept
{
private:
typedef iterator_range<IteratorT> range;
public:
void constraints()
{
// Operation
r=(*pF)(i,i);
}
private:
range r;
IteratorT i;
FinderT* pF;
}; // Finder_concept
//! Formatter concept
/*!
Defines the Formatter concept. Formatter is a functor, which
takes a result from a finder operation and transforms it
in a specific way.
Result must be a container supported by container_traits,
or a reference to it.
*/
template<typename FormatterT, typename FinderT, typename IteratorT>
struct FormatterConcept
{
public:
void constraints()
{
// Operation
::boost::begin((*pFo)( (*pF)(i,i) ));
::boost::end((*pFo)( (*pF)(i,i) ));
}
private:
IteratorT i;
FinderT* pF;
FormatterT *pFo;
}; // FormatterConcept;
} // namespace algorithm
} // namespace boost
#endif // BOOST_STRING_CONCEPT_HPP
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