/Src/Dependencies/Boost/boost/xpressive/detail/core/matcher/assert_bos_matcher.hpp
http://hadesmem.googlecode.com/ · C++ Header · 39 lines · 21 code · 8 blank · 10 comment · 2 complexity · 26f070569e1f48b8717255189de3eb70 MD5 · raw file
- ///////////////////////////////////////////////////////////////////////////////
- // assert_bos_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_BOS_MATCHER_HPP_EAN_10_04_2005
- #define BOOST_XPRESSIVE_DETAIL_CORE_MATCHER_ASSERT_BOS_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
- {
- ///////////////////////////////////////////////////////////////////////////////
- // assert_bos_matcher
- // match the beginning of the sequence (\A)
- struct assert_bos_matcher
- {
- BOOST_XPR_QUANT_STYLE(quant_none, 0, true)
- template<typename BidiIter, typename Next>
- static bool match(match_state<BidiIter> &state, Next const &next)
- {
- return state.bos() && next.match(state);
- }
- };
- }}}
- #endif