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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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