/usr/include/boost/xpressive/detail/core/matcher/mark_end_matcher.hpp is in libboost1.55-dev 1.55.0+dfsg-3.
This file is owned by root:root, with mode 0o644.
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// mark_end_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_MARK_END_MATCHER_HPP_EAN_10_04_2005
#define BOOST_XPRESSIVE_DETAIL_CORE_MATCHER_MARK_END_MATCHER_HPP_EAN_10_04_2005
// MS compatible compilers support #pragma once
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
#include <boost/xpressive/detail/detail_fwd.hpp>
#include <boost/xpressive/detail/core/quant_style.hpp>
#include <boost/xpressive/detail/core/state.hpp>
namespace boost { namespace xpressive { namespace detail
{
///////////////////////////////////////////////////////////////////////////////
// mark_end_matcher
//
struct mark_end_matcher
: quant_style<quant_none, 0, false>
{
int mark_number_;
mark_end_matcher(int mark_number)
: mark_number_(mark_number)
{
}
template<typename BidiIter, typename Next>
bool match(match_state<BidiIter> &state, Next const &next) const
{
sub_match_impl<BidiIter> &br = state.sub_match(this->mark_number_);
BidiIter old_first = br.first;
BidiIter old_second = br.second;
bool old_matched = br.matched;
br.first = br.begin_;
br.second = state.cur_;
br.matched = true;
if(next.match(state))
{
return true;
}
br.first = old_first;
br.second = old_second;
br.matched = old_matched;
return false;
}
};
}}}
#endif
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