?????????? ????????? - ??????????????? - /usr/include/boost/xpressive/detail/core/matcher/string_matcher.hpp
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/////////////////////////////////////////////////////////////////////////////// // string_matcher.hpp // // Copyright 2008 Eric Niebler. 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) #ifndef BOOST_XPRESSIVE_DETAIL_CORE_MATCHER_STRING_MATCHER_HPP_EAN_10_04_2005 #define BOOST_XPRESSIVE_DETAIL_CORE_MATCHER_STRING_MATCHER_HPP_EAN_10_04_2005 // MS compatible compilers support #pragma once #if defined(_MSC_VER) # pragma once #endif #include <string> #include <boost/mpl/bool.hpp> #include <boost/xpressive/detail/detail_fwd.hpp> #include <boost/xpressive/detail/core/quant_style.hpp> #include <boost/xpressive/detail/core/state.hpp> #include <boost/xpressive/detail/utility/algorithm.hpp> #include <boost/xpressive/detail/utility/traits_utils.hpp> namespace boost { namespace xpressive { namespace detail { /////////////////////////////////////////////////////////////////////////////// // string_matcher // template<typename Traits, typename ICase> struct string_matcher : quant_style_fixed_unknown_width { typedef typename Traits::char_type char_type; typedef typename Traits::string_type string_type; typedef ICase icase_type; string_type str_; char_type const *end_; string_matcher(string_type const &str, Traits const &tr) : str_(str) , end_() { typename range_iterator<string_type>::type cur = boost::begin(this->str_); typename range_iterator<string_type>::type end = boost::end(this->str_); for(; cur != end; ++cur) { *cur = detail::translate(*cur, tr, icase_type()); } this->end_ = detail::data_end(str_); } string_matcher(string_matcher<Traits, ICase> const &that) : str_(that.str_) , end_(detail::data_end(str_)) { } template<typename BidiIter, typename Next> bool match(match_state<BidiIter> &state, Next const &next) const { BidiIter const tmp = state.cur_; char_type const *begin = detail::data_begin(this->str_); for(; begin != this->end_; ++begin, ++state.cur_) { if(state.eos() || (detail::translate(*state.cur_, traits_cast<Traits>(state), icase_type()) != *begin)) { state.cur_ = tmp; return false; } } if(next.match(state)) { return true; } state.cur_ = tmp; return false; } detail::width get_width() const { return boost::size(this->str_); } }; }}} #endif
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