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author | Lorry Tar Creator <lorry-tar-importer@baserock.org> | 2013-06-25 22:59:01 +0000 |
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committer | <> | 2013-09-27 11:49:28 +0000 |
commit | 8c4528713d907ee2cfd3bfcbbad272c749867f84 (patch) | |
tree | c09e2ce80f47b90c85cc720f5139089ad9c8cfff /boost/algorithm/string/detail/predicate.hpp | |
download | boost-tarball-baserock/morph.tar.gz |
Imported from /home/lorry/working-area/delta_boost-tarball/boost_1_54_0.tar.bz2.boost_1_54_0baserock/morph
Diffstat (limited to 'boost/algorithm/string/detail/predicate.hpp')
-rw-r--r-- | boost/algorithm/string/detail/predicate.hpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/boost/algorithm/string/detail/predicate.hpp b/boost/algorithm/string/detail/predicate.hpp new file mode 100644 index 000000000..5acf3cc66 --- /dev/null +++ b/boost/algorithm/string/detail/predicate.hpp @@ -0,0 +1,77 @@ +// Boost string_algo library predicate.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_PREDICATE_DETAIL_HPP +#define BOOST_STRING_PREDICATE_DETAIL_HPP + +#include <iterator> +#include <boost/algorithm/string/find.hpp> + +namespace boost { + namespace algorithm { + namespace detail { + +// ends_with predicate implementation ----------------------------------// + + template< + typename ForwardIterator1T, + typename ForwardIterator2T, + typename PredicateT> + inline bool ends_with_iter_select( + ForwardIterator1T Begin, + ForwardIterator1T End, + ForwardIterator2T SubBegin, + ForwardIterator2T SubEnd, + PredicateT Comp, + std::bidirectional_iterator_tag) + { + ForwardIterator1T it=End; + ForwardIterator2T pit=SubEnd; + for(;it!=Begin && pit!=SubBegin;) + { + if( !(Comp(*(--it),*(--pit))) ) + return false; + } + + return pit==SubBegin; + } + + template< + typename ForwardIterator1T, + typename ForwardIterator2T, + typename PredicateT> + inline bool ends_with_iter_select( + ForwardIterator1T Begin, + ForwardIterator1T End, + ForwardIterator2T SubBegin, + ForwardIterator2T SubEnd, + PredicateT Comp, + std::forward_iterator_tag) + { + if ( SubBegin==SubEnd ) + { + // empty subsequence check + return true; + } + + iterator_range<ForwardIterator1T> Result + =last_finder( + ::boost::make_iterator_range(SubBegin, SubEnd), + Comp)(Begin, End); + + return !Result.empty() && Result.end()==End; + } + + } // namespace detail + } // namespace algorithm +} // namespace boost + + +#endif // BOOST_STRING_PREDICATE_DETAIL_HPP |