/*============================================================================= | |
Copyright (c) 2001-2011 Joel de Guzman | |
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) | |
==============================================================================*/ | |
#if !defined(BOOST_SPIRIT_ANY_APRIL_22_2006_1147AM) | |
#define BOOST_SPIRIT_ANY_APRIL_22_2006_1147AM | |
#if defined(_MSC_VER) | |
#pragma once | |
#endif | |
#include <boost/mpl/bool.hpp> | |
#include <boost/fusion/include/equal_to.hpp> | |
#include <boost/fusion/include/next.hpp> | |
#include <boost/fusion/include/deref.hpp> | |
#include <boost/fusion/include/begin.hpp> | |
#include <boost/fusion/include/end.hpp> | |
#include <boost/fusion/include/any.hpp> | |
#include <boost/spirit/home/support/unused.hpp> | |
namespace boost { namespace spirit | |
{ | |
// This is the binary version of fusion::any. This might | |
// be a good candidate for inclusion in fusion algorithm | |
namespace detail | |
{ | |
template <typename First1, typename Last, typename First2, typename F> | |
inline bool | |
any(First1 const&, First2 const&, Last const&, F const&, mpl::true_) | |
{ | |
return false; | |
} | |
template <typename First1, typename Last, typename First2, typename F> | |
inline bool | |
any(First1 const& first1, First2 const& first2, Last const& last, F& f, mpl::false_) | |
{ | |
return f(*first1, *first2) || | |
detail::any( | |
fusion::next(first1) | |
, fusion::next(first2) | |
, last | |
, f | |
, fusion::result_of::equal_to< | |
typename fusion::result_of::next<First1>::type, Last>()); | |
} | |
} | |
template <typename Sequence1, typename Sequence2, typename F> | |
inline bool | |
any(Sequence1 const& seq1, Sequence2& seq2, F f) | |
{ | |
return detail::any( | |
fusion::begin(seq1) | |
, fusion::begin(seq2) | |
, fusion::end(seq1) | |
, f | |
, fusion::result_of::equal_to< | |
typename fusion::result_of::begin<Sequence1>::type | |
, typename fusion::result_of::end<Sequence1>::type>()); | |
} | |
template <typename Sequence, typename F> | |
inline bool | |
any(Sequence const& seq, unused_type, F f) | |
{ | |
return fusion::any(seq, f); | |
} | |
}} | |
#endif | |