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80 lines
2.5 KiB
C++
80 lines
2.5 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2016 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef TOOLS_SPRIG_ALGORITHM_STRING_FIND_SKIP_HPP
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#define TOOLS_SPRIG_ALGORITHM_STRING_FIND_SKIP_HPP
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#include <boost/range/functions.hpp>
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#include <boost/range/metafunctions.hpp>
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#include <boost/range/iterator_range.hpp>
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#include <boost/algorithm/string/find.hpp>
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namespace sprig {
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//
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// skip_finder
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//
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template<typename Finder>
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struct skip_finderF {
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private:
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Finder finder_;
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public:
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explicit skip_finderF(Finder const& finder)
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: finder_(finder)
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{}
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template<typename ForwardIterator>
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boost::iterator_range<ForwardIterator>
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operator()(ForwardIterator first, ForwardIterator last) const {
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return boost::iterator_range<ForwardIterator>(boost::end(finder_(first, last)), last);
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}
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};
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template<typename Finder>
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inline sprig::skip_finderF<Finder>
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skip_finder(Finder const& finder) {
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return sprig::skip_finderF<Finder>(finder);
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}
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//
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// find_skip
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//
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template<typename Range, typename Finder>
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inline boost::iterator_range<typename boost::range_iterator<Range>::type>
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find_skip(Range& input, Finder const& finder) {
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return boost::algorithm::find(input, sprig::skip_finder(finder));
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}
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//
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// skip_backward_finder
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//
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template<typename Finder>
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struct skip_backward_finderF {
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private:
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Finder finder_;
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public:
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explicit skip_backward_finderF(Finder const& finder)
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: finder_(finder)
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{}
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template<typename ForwardIterator>
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boost::iterator_range<ForwardIterator>
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operator()(ForwardIterator first, ForwardIterator last) const {
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return boost::iterator_range<ForwardIterator>(first, boost::begin(finder_(first, last)));
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}
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};
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template<typename Finder>
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inline sprig::skip_backward_finderF<Finder>
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skip_backward_finder(Finder const& finder) {
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return sprig::skip_backward_finderF<Finder>(finder);
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}
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//
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// find_skip_backward
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//
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template<typename Range, typename Finder>
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inline boost::iterator_range<typename boost::range_iterator<Range>::type>
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find_skip_backward(Range& input, Finder const& finder) {
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return boost::algorithm::find(input, sprig::skip_backward_finder(finder));
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}
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} // namespace sprig
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#endif // #ifndef TOOLS_SPRIG_ALGORITHM_STRING_FIND_SKIP_HPP
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