156 lines
6.1 KiB
C++
156 lines
6.1 KiB
C++
// Copyright Neil Groves 2009. Use, modification and
|
|
// distribution is subject to 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)
|
|
//
|
|
//
|
|
// For more information, see http://www.boost.org/libs/range/
|
|
//
|
|
#ifndef BOOST_RANGE_ALGORITHM_FIND_FIRST_OF_HPP_INCLUDED
|
|
#define BOOST_RANGE_ALGORITHM_FIND_FIRST_OF_HPP_INCLUDED
|
|
|
|
#include <boost/concept_check.hpp>
|
|
#include <boost/range/begin.hpp>
|
|
#include <boost/range/end.hpp>
|
|
#include <boost/range/concepts.hpp>
|
|
#include <boost/range/detail/range_return.hpp>
|
|
#include <algorithm>
|
|
|
|
namespace boost
|
|
{
|
|
namespace range
|
|
{
|
|
|
|
/// \brief template function find_first_of
|
|
///
|
|
/// range-based version of the find_first_of std algorithm
|
|
///
|
|
/// \pre SinglePassRange1 is a model of the SinglePassRangeConcept
|
|
/// \pre ForwardRange2 is a model of the ForwardRangeConcept
|
|
/// \pre BinaryPredicate is a model of the BinaryPredicateConcept
|
|
template< class SinglePassRange1, class ForwardRange2 >
|
|
inline BOOST_DEDUCED_TYPENAME disable_if<
|
|
is_const<SinglePassRange1>,
|
|
BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange1>::type
|
|
>::type
|
|
find_first_of(SinglePassRange1 & rng1, ForwardRange2 const & rng2)
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
|
|
|
|
return std::find_first_of(boost::begin(rng1),boost::end(rng1),
|
|
boost::begin(rng2),boost::end(rng2));
|
|
}
|
|
|
|
/// \overload
|
|
template< class SinglePassRange1, class ForwardRange2 >
|
|
inline BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange1>::type
|
|
find_first_of(const SinglePassRange1& rng1, const ForwardRange2& rng2)
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
|
|
|
|
return std::find_first_of(boost::begin(rng1),boost::end(rng1),
|
|
boost::begin(rng2),boost::end(rng2));
|
|
}
|
|
|
|
/// \overload
|
|
template< class SinglePassRange1, class ForwardRange2, class BinaryPredicate >
|
|
inline BOOST_DEDUCED_TYPENAME disable_if<
|
|
is_const<SinglePassRange1>,
|
|
BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange1>::type
|
|
>::type
|
|
find_first_of(SinglePassRange1 & rng1, ForwardRange2 const & rng2, BinaryPredicate pred)
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
|
|
|
|
return std::find_first_of(boost::begin(rng1),boost::end(rng1),
|
|
boost::begin(rng2),boost::end(rng2),pred);
|
|
}
|
|
|
|
/// \overload
|
|
template< class SinglePassRange1, class ForwardRange2, class BinaryPredicate >
|
|
inline BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange1>::type
|
|
find_first_of(const SinglePassRange1& rng1, const ForwardRange2& rng2, BinaryPredicate pred)
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
|
|
|
|
return std::find_first_of(boost::begin(rng1),boost::end(rng1),
|
|
boost::begin(rng2),boost::end(rng2),pred);
|
|
}
|
|
|
|
// range return overloads
|
|
/// \overload
|
|
template< range_return_value re, class SinglePassRange1, class ForwardRange2 >
|
|
inline BOOST_DEDUCED_TYPENAME disable_if<
|
|
is_const<SinglePassRange1>,
|
|
BOOST_DEDUCED_TYPENAME range_return<SinglePassRange1,re>::type
|
|
>::type
|
|
find_first_of(SinglePassRange1& rng1, const ForwardRange2& rng2)
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
|
|
|
|
return range_return<SinglePassRange1,re>::
|
|
pack(std::find_first_of(boost::begin(rng1), boost::end(rng1),
|
|
boost::begin(rng2), boost::end(rng2)),
|
|
rng1);
|
|
}
|
|
|
|
/// \overload
|
|
template< range_return_value re, class SinglePassRange1, class ForwardRange2 >
|
|
inline BOOST_DEDUCED_TYPENAME range_return<const SinglePassRange1,re>::type
|
|
find_first_of(const SinglePassRange1& rng1, const ForwardRange2& rng2)
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
|
|
|
|
return range_return<const SinglePassRange1,re>::
|
|
pack(std::find_first_of(boost::begin(rng1), boost::end(rng1),
|
|
boost::begin(rng2), boost::end(rng2)),
|
|
rng1);
|
|
}
|
|
|
|
/// \overload
|
|
template< range_return_value re, class SinglePassRange1, class ForwardRange2,
|
|
class BinaryPredicate >
|
|
inline BOOST_DEDUCED_TYPENAME disable_if<
|
|
is_const<SinglePassRange1>,
|
|
BOOST_DEDUCED_TYPENAME range_return<SinglePassRange1,re>::type
|
|
>::type
|
|
find_first_of(SinglePassRange1 & rng1, const ForwardRange2& rng2,
|
|
BinaryPredicate pred)
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
|
|
|
|
return range_return<SinglePassRange1,re>::
|
|
pack(std::find_first_of(boost::begin(rng1), boost::end(rng1),
|
|
boost::begin(rng2), boost::end(rng2), pred),
|
|
rng1);
|
|
}
|
|
|
|
/// \overload
|
|
template< range_return_value re, class SinglePassRange1, class ForwardRange2,
|
|
class BinaryPredicate >
|
|
inline BOOST_DEDUCED_TYPENAME range_return<const SinglePassRange1,re>::type
|
|
find_first_of(const SinglePassRange1 & rng1, const ForwardRange2& rng2,
|
|
BinaryPredicate pred)
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
|
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange2> ));
|
|
|
|
return range_return<const SinglePassRange1,re>::
|
|
pack(std::find_first_of(boost::begin(rng1), boost::end(rng1),
|
|
boost::begin(rng2), boost::end(rng2), pred),
|
|
rng1);
|
|
}
|
|
|
|
} // namespace range
|
|
using range::find_first_of;
|
|
} // namespace boost
|
|
|
|
#endif // include guard
|