Boost C++ Libraries of the most highly regarded and expertly designed C++ library projects in the world. Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This is the documentation for an old version of Boost. Click here to view this page for the latest version.


// attr_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


// MS compatible compilers support #pragma once
#if defined(_MSC_VER)
# pragma once

#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

    // attr_end_matcher
    struct attr_end_matcher
      : quant_style<quant_none, 0, false>
        template<typename BidiIter, typename Next>
        static bool match(match_state<BidiIter> &state, Next const &next)
            attr_context old_attr_context = state.attr_context_;
            state.attr_context_ = *old_attr_context.prev_attr_context_;

                return true;

            state.attr_context_ = old_attr_context;
            return false;