| // 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 |