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Initial move from Spirit CVS

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[SVN r34896]
This commit is contained in:
Joel de Guzman
2006-08-16 16:50:52 +00:00
commit 75b9d13a88
370 changed files with 17939 additions and 0 deletions
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57
include/boost/fusion/iterator/mpl/convert_iterator.hpp Normal file
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/*=============================================================================
Copyright (c) 2001-2006 Joel de Guzman
Use, modification and distribution is subject to 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(FUSION_CONVERT_ITERATOR_05062005_1218)
#define FUSION_CONVERT_ITERATOR_05062005_1218
#include <boost/fusion/support/is_iterator.hpp>
#include <boost/fusion/sequence/adapted/mpl/mpl_iterator.hpp>
#include <boost/mpl/if.hpp>
#include <boost/mpl/bool.hpp>
namespace boost { namespace fusion
{
// Test T. If it is a fusion iterator, return a reference to it.
// else, assume it is an mpl iterator.
template <typename T>
struct convert_iterator
{
typedef typename
mpl::if_<
is_fusion_iterator<T>
, T
, mpl_iterator<T>
>::type
type;
static T const&
call(T const& x, mpl::true_)
{
return x;
}
static mpl_iterator<T>
call(T const& x, mpl::false_)
{
return mpl_iterator<T>();
}
static typename
mpl::if_<
is_fusion_iterator<T>
, T const&
, mpl_iterator<T>
>::type
call(T const& x)
{
return call(x, is_fusion_iterator<T>());
}
};
}}
#endif

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include/boost/fusion/iterator/mpl/fusion_iterator.hpp Normal file
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/*=============================================================================
Copyright (c) 2001-2006 Joel de Guzman
Use, modification and distribution is subject to 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(FUSION_FUSION_ITERATOR_10012005_1551)
#define FUSION_FUSION_ITERATOR_10012005_1551
#include <boost/fusion/iterator/value_of.hpp>
#include <boost/fusion/iterator/next.hpp>
#include <boost/fusion/iterator/prior.hpp>
#include <boost/fusion/iterator/advance.hpp>
#include <boost/fusion/iterator/distance.hpp>
#include <boost/mpl/next_prior.hpp>
#include <boost/mpl/advance_fwd.hpp>
#include <boost/mpl/distance_fwd.hpp>
namespace boost { namespace mpl
{
template <typename Iterator>
struct fusion_iterator
{
typedef typename fusion::result_of::value_of<Iterator>::type type;
typedef Iterator iterator;
};
template <typename Iterator>
struct next<fusion_iterator<Iterator> >
{
typedef fusion_iterator<typename fusion::result_of::next<Iterator>::type> type;
};
template <typename Iterator>
struct prior<fusion_iterator<Iterator> >
{
typedef fusion_iterator<typename fusion::result_of::prior<Iterator>::type> type;
};
template <typename Iterator, typename N>
struct advance<fusion_iterator<Iterator>, N>
{
typedef fusion_iterator<typename fusion::result_of::advance<Iterator, N>::type> type;
};
template <typename First, typename Last>
struct distance<fusion_iterator<First>, fusion_iterator<Last> >
: fusion::result_of::distance<First, Last>
{};
}}
#endif