You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
155 lines
6.0 KiB
155 lines
6.0 KiB
// 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
|
|
|