Chris@16: //  Copyright Neil Groves 2009. Use, modification and
Chris@16: //  distribution is subject to the Boost Software License, Version
Chris@16: //  1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: //  http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: //
Chris@16: // For more information, see http://www.boost.org/libs/range/
Chris@16: //
Chris@16: #ifndef BOOST_RANGE_ALGORITHM_MISMATCH_HPP_INCLUDED
Chris@16: #define BOOST_RANGE_ALGORITHM_MISMATCH_HPP_INCLUDED
Chris@16: 
Chris@16: #include <boost/concept_check.hpp>
Chris@16: #include <boost/range/begin.hpp>
Chris@16: #include <boost/range/end.hpp>
Chris@16: #include <boost/range/concepts.hpp>
Chris@16: #include <boost/range/difference_type.hpp>
Chris@16: #include <algorithm>
Chris@16: 
Chris@16: namespace boost
Chris@16: {
Chris@16:     namespace range_detail
Chris@16:     {
Chris@16:         template< class SinglePassTraversalReadableIterator1,
Chris@16:                   class SinglePassTraversalReadableIterator2 >
Chris@16:         inline std::pair<SinglePassTraversalReadableIterator1,
Chris@16:                          SinglePassTraversalReadableIterator2>
Chris@16:         mismatch_impl(SinglePassTraversalReadableIterator1 first1,
Chris@16:                       SinglePassTraversalReadableIterator1 last1,
Chris@16:                       SinglePassTraversalReadableIterator2 first2,
Chris@16:                       SinglePassTraversalReadableIterator2 last2)
Chris@16:         {
Chris@16:             while (first1 != last1 && first2 != last2 && *first1 == *first2)
Chris@16:             {
Chris@16:                 ++first1;
Chris@16:                 ++first2;
Chris@16:             }
Chris@16:             return std::pair<SinglePassTraversalReadableIterator1,
Chris@16:                              SinglePassTraversalReadableIterator2>(first1, first2);
Chris@16:         }
Chris@16: 
Chris@16:         template< class SinglePassTraversalReadableIterator1,
Chris@16:                   class SinglePassTraversalReadableIterator2,
Chris@16:                   class BinaryPredicate >
Chris@16:         inline std::pair<SinglePassTraversalReadableIterator1,
Chris@16:                          SinglePassTraversalReadableIterator2>
Chris@16:         mismatch_impl(SinglePassTraversalReadableIterator1 first1,
Chris@16:                       SinglePassTraversalReadableIterator1 last1,
Chris@16:                       SinglePassTraversalReadableIterator2 first2,
Chris@16:                       SinglePassTraversalReadableIterator2 last2,
Chris@16:                       BinaryPredicate pred)
Chris@16:         {
Chris@16:             while (first1 != last1 && first2 != last2 && pred(*first1, *first2))
Chris@16:             {
Chris@16:                 ++first1;
Chris@16:                 ++first2;
Chris@16:             }
Chris@16:             return std::pair<SinglePassTraversalReadableIterator1,
Chris@16:                              SinglePassTraversalReadableIterator2>(first1, first2);
Chris@16:         }
Chris@16:     } // namespace range_detail
Chris@16: 
Chris@16:     namespace range
Chris@16:     {
Chris@16: /// \brief template function mismatch
Chris@16: ///
Chris@16: /// range-based version of the mismatch std algorithm
Chris@16: ///
Chris@16: /// \pre SinglePassRange1 is a model of the SinglePassRangeConcept
Chris@16: /// \pre SinglePassRange2 is a model of the SinglePassRangeConcept
Chris@16: /// \pre BinaryPredicate is a model of the BinaryPredicateConcept
Chris@16: template< class SinglePassRange1, class SinglePassRange2 >
Chris@16: inline std::pair<
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange1>::type,
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange2>::type >
Chris@16: mismatch(SinglePassRange1& rng1, const SinglePassRange2 & rng2)
Chris@16: {
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> ));
Chris@16: 
Chris@16:     return ::boost::range_detail::mismatch_impl(
Chris@16:         ::boost::begin(rng1), ::boost::end(rng1),
Chris@16:         ::boost::begin(rng2), ::boost::end(rng2));
Chris@16: }
Chris@16: 
Chris@16: /// \overload
Chris@16: template< class SinglePassRange1, class SinglePassRange2 >
Chris@16: inline std::pair<
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange1>::type,
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange2>::type >
Chris@16: mismatch(const SinglePassRange1& rng1, const SinglePassRange2& rng2)
Chris@16: {
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> ));
Chris@16: 
Chris@16:     return ::boost::range_detail::mismatch_impl(
Chris@16:         ::boost::begin(rng1), ::boost::end(rng1),
Chris@16:         ::boost::begin(rng2), ::boost::end(rng2));
Chris@16: }
Chris@16: 
Chris@16: /// \overload
Chris@16: template< class SinglePassRange1, class SinglePassRange2 >
Chris@16: inline std::pair<
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange1>::type,
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange2>::type >
Chris@16: mismatch(SinglePassRange1& rng1, SinglePassRange2 & rng2)
Chris@16: {
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> ));
Chris@16: 
Chris@16:     return ::boost::range_detail::mismatch_impl(
Chris@16:         ::boost::begin(rng1), ::boost::end(rng1),
Chris@16:         ::boost::begin(rng2), ::boost::end(rng2));
Chris@16: }
Chris@16: 
Chris@16: /// \overload
Chris@16: template< class SinglePassRange1, class SinglePassRange2 >
Chris@16: inline std::pair<
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange1>::type,
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange2>::type >
Chris@16: mismatch(const SinglePassRange1& rng1, SinglePassRange2& rng2)
Chris@16: {
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> ));
Chris@16: 
Chris@16:     return ::boost::range_detail::mismatch_impl(
Chris@16:         ::boost::begin(rng1), ::boost::end(rng1),
Chris@16:         ::boost::begin(rng2), ::boost::end(rng2));
Chris@16: }
Chris@16: 
Chris@16: 
Chris@16: /// \overload
Chris@16: template< class SinglePassRange1, class SinglePassRange2, class BinaryPredicate >
Chris@16: inline std::pair<
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange1>::type,
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange2>::type >
Chris@16: mismatch(SinglePassRange1& rng1, const SinglePassRange2& rng2, BinaryPredicate pred)
Chris@16: {
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> ));
Chris@16: 
Chris@16:     return ::boost::range_detail::mismatch_impl(
Chris@16:         ::boost::begin(rng1), ::boost::end(rng1),
Chris@16:         ::boost::begin(rng2), ::boost::end(rng2), pred);
Chris@16: }
Chris@16: 
Chris@16: /// \overload
Chris@16: template< class SinglePassRange1, class SinglePassRange2, class BinaryPredicate >
Chris@16: inline std::pair<
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange1>::type,
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange2>::type >
Chris@16: mismatch(const SinglePassRange1& rng1, const SinglePassRange2& rng2, BinaryPredicate pred)
Chris@16: {
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> ));
Chris@16: 
Chris@16:     return ::boost::range_detail::mismatch_impl(
Chris@16:         ::boost::begin(rng1), ::boost::end(rng1),
Chris@16:         ::boost::begin(rng2), ::boost::end(rng2), pred);
Chris@16: }
Chris@16: 
Chris@16: /// \overload
Chris@16: template< class SinglePassRange1, class SinglePassRange2, class BinaryPredicate >
Chris@16: inline std::pair<
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange1>::type,
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange2>::type >
Chris@16: mismatch(SinglePassRange1& rng1, SinglePassRange2& rng2, BinaryPredicate pred)
Chris@16: {
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> ));
Chris@16: 
Chris@16:     return ::boost::range_detail::mismatch_impl(
Chris@16:         ::boost::begin(rng1), ::boost::end(rng1),
Chris@16:         ::boost::begin(rng2), ::boost::end(rng2), pred);
Chris@16: }
Chris@16: 
Chris@16: /// \overload
Chris@16: template< class SinglePassRange1, class SinglePassRange2, class BinaryPredicate >
Chris@16: inline std::pair<
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<const SinglePassRange1>::type,
Chris@16:     BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange2>::type >
Chris@16: mismatch(const SinglePassRange1& rng1, SinglePassRange2& rng2, BinaryPredicate pred)
Chris@16: {
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
Chris@16:     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> ));
Chris@16: 
Chris@16:     return ::boost::range_detail::mismatch_impl(
Chris@16:         ::boost::begin(rng1), ::boost::end(rng1),
Chris@16:         ::boost::begin(rng2), ::boost::end(rng2), pred);
Chris@16: }
Chris@16: 
Chris@16:     } // namespace range
Chris@16:     using range::mismatch;
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif // include guard