/usr/include/boost/xpressive/detail/core/matcher
Edit: /usr/include/boost/xpressive/detail/core/matcher/assert_eol_matcher.hpp (2223B)
///////////////////////////////////////////////////////////////////////////////
// assert_eol_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_ASSERT_EOL_MATCHER_HPP_EAN_10_04_2005
#define BOOST_XPRESSIVE_DETAIL_CORE_MATCHER_ASSERT_EOL_MATCHER_HPP_EAN_10_04_2005
// MS compatible compilers support #pragma once
#if defined(_MSC_VER)
# pragma once
#endif
#include
#include
#include
#include
#include
namespace boost { namespace xpressive { namespace detail
{
///////////////////////////////////////////////////////////////////////////////
// assert_eol_matcher
//
template
struct assert_eol_matcher
: assert_line_base
{
typedef typename Traits::char_type char_type;
assert_eol_matcher(Traits const &tr)
: assert_line_base(tr)
{
}
template
bool match(match_state &state, Next const &next) const
{
if(state.eos())
{
if(!state.flags_.match_eol_)
{
return false;
}
}
else
{
char_type ch = *state.cur_;
// If the current character is not a newline, we're not at the end of a line
if(!traits_cast(state).isctype(ch, this->newline_))
{
return false;
}
// There is no line-break between \r and \n
else if(ch == this->nl_ && (!state.bos() || state.flags_.match_prev_avail_) && *boost::prior(state.cur_) == this->cr_)
{
return false;
}
}
return next.match(state);
}
};
}}}
#endif