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[SVN r40234]
This commit is contained in:
Joel de Guzman
2007-10-21 00:47:59 +00:00
parent fc57a566cb
commit 7a6e82b7cf
476 changed files with 0 additions and 25709 deletions
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73
include/boost/fusion/algorithm/transformation/detail/replace.hpp
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@ -1,73 +0,0 @@
/*=============================================================================
Copyright (c) 2001-2006 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(FUSION_REPLACE_08182005_0841)
#define FUSION_REPLACE_08182005_0841
#include <boost/type_traits/is_convertible.hpp>
#include <boost/mpl/if.hpp>
#include <boost/type_traits/remove_reference.hpp>
namespace boost { namespace fusion { namespace detail
{
template <bool is_convertible>
struct replacer_helper;
template <>
struct replacer_helper<false>
{
template <typename U, typename T>
static U&
call(U& x, T const&, T const&)
{
return x;
}
};
template <>
struct replacer_helper<true>
{
template <typename U, typename T>
static U
call(U& x, T const& old_value, T const& new_value)
{
return (x == old_value) ? new_value : x;
}
};
template <typename T>
struct replacer
{
replacer(T const& old_value, T const& new_value)
: old_value(old_value), new_value(new_value) {}
template<typename Sig>
struct result;
template <typename U1, typename U2>
struct result<replacer<U1>(U2)>
{
typedef typename remove_reference<U2>::type value;
typedef typename
mpl::if_<is_convertible<T, value>, value, value const&>::type
type;
};
template <typename U>
typename result<replacer(U)>::type
operator()(U const& x) const
{
return replacer_helper<is_convertible<T, U>::value>::
call(x, old_value, new_value);
}
T old_value;
T new_value;
};
}}}
#endif

73
include/boost/fusion/algorithm/transformation/detail/replace_if.hpp
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@ -1,73 +0,0 @@
/*=============================================================================
Copyright (c) 2001-2006 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(FUSION_REPLACE_IF_08182005_0946)
#define FUSION_REPLACE_IF_08182005_0946
#include <boost/utility/enable_if.hpp>
#include <boost/mpl/if.hpp>
#include <boost/type_traits/remove_reference.hpp>
namespace boost { namespace fusion { namespace detail
{
template <bool is_convertible>
struct replacer_if_helper;
template <>
struct replacer_if_helper<false>
{
template <typename U, typename F, typename T>
static U&
call(U& x, F&, T const&)
{
return x;
}
};
template <>
struct replacer_if_helper<true>
{
template <typename U, typename F, typename T>
static U
call(U& x, F& f, T const& new_value)
{
return f(x) ? new_value : x;
}
};
template <typename F, typename T>
struct replacer_if
{
replacer_if(F f, T const& new_value)
: f(f), new_value(new_value) {}
template<typename Params>
struct result;
template <typename F1, typename T1, typename U>
struct result<replacer_if<F1, T1>(U)>
{
typedef typename remove_reference<U>::type value;
typedef typename
mpl::if_<is_convertible<T, value>, value, value const&>::type
type;
};
template <typename U>
typename result<replacer_if(U)>::type
operator()(U const& x) const
{
return replacer_if_helper<is_convertible<T, U>::value>::
call(x, f, new_value);
}
F f;
T new_value;
};
}}}
#endif