Added boost header
This commit is contained in:
128
test/external/boost/python/ptr.hpp
vendored
Normal file
128
test/external/boost/python/ptr.hpp
vendored
Normal file
@@ -0,0 +1,128 @@
|
||||
#ifndef PTR_DWA20020601_HPP
|
||||
# define PTR_DWA20020601_HPP
|
||||
|
||||
# include <boost/python/detail/prefix.hpp>
|
||||
// Copyright David Abrahams 2002.
|
||||
// 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)
|
||||
//
|
||||
// Based on boost/ref.hpp, thus:
|
||||
// Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
|
||||
// Copyright (C) 2001 Peter Dimov
|
||||
|
||||
# if _MSC_VER+0 >= 1020
|
||||
# pragma once
|
||||
# endif
|
||||
|
||||
# include <boost/config.hpp>
|
||||
# include <boost/mpl/bool.hpp>
|
||||
|
||||
namespace boost { namespace python {
|
||||
|
||||
template<class Ptr> class pointer_wrapper
|
||||
{
|
||||
public:
|
||||
typedef Ptr type;
|
||||
|
||||
explicit pointer_wrapper(Ptr x): p_(x) {}
|
||||
operator Ptr() const { return p_; }
|
||||
Ptr get() const { return p_; }
|
||||
private:
|
||||
Ptr p_;
|
||||
};
|
||||
|
||||
template<class T>
|
||||
inline pointer_wrapper<T> ptr(T t)
|
||||
{
|
||||
return pointer_wrapper<T>(t);
|
||||
}
|
||||
|
||||
# ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
|
||||
template<typename T>
|
||||
class is_pointer_wrapper
|
||||
: public mpl::false_
|
||||
{
|
||||
};
|
||||
|
||||
template<typename T>
|
||||
class is_pointer_wrapper<pointer_wrapper<T> >
|
||||
: public mpl::true_
|
||||
{
|
||||
};
|
||||
|
||||
template<typename T>
|
||||
class unwrap_pointer
|
||||
{
|
||||
public:
|
||||
typedef T type;
|
||||
};
|
||||
|
||||
template<typename T>
|
||||
class unwrap_pointer<pointer_wrapper<T> >
|
||||
{
|
||||
public:
|
||||
typedef T type;
|
||||
};
|
||||
# else // no partial specialization
|
||||
|
||||
}} // namespace boost::python
|
||||
|
||||
#include <boost/type.hpp>
|
||||
|
||||
namespace boost { namespace python {
|
||||
|
||||
namespace detail
|
||||
{
|
||||
typedef char (&yes_pointer_wrapper_t)[1];
|
||||
typedef char (&no_pointer_wrapper_t)[2];
|
||||
|
||||
no_pointer_wrapper_t is_pointer_wrapper_test(...);
|
||||
|
||||
template<typename T>
|
||||
yes_pointer_wrapper_t is_pointer_wrapper_test(boost::type< pointer_wrapper<T> >);
|
||||
|
||||
template<bool wrapped>
|
||||
struct pointer_unwrapper
|
||||
{
|
||||
template <class T>
|
||||
struct apply
|
||||
{
|
||||
typedef T type;
|
||||
};
|
||||
};
|
||||
|
||||
template<>
|
||||
struct pointer_unwrapper<true>
|
||||
{
|
||||
template <class T>
|
||||
struct apply
|
||||
{
|
||||
typedef typename T::type type;
|
||||
};
|
||||
};
|
||||
}
|
||||
|
||||
template<typename T>
|
||||
class is_pointer_wrapper
|
||||
{
|
||||
public:
|
||||
BOOST_STATIC_CONSTANT(
|
||||
bool, value = (
|
||||
sizeof(detail::is_pointer_wrapper_test(boost::type<T>()))
|
||||
== sizeof(detail::yes_pointer_wrapper_t)));
|
||||
typedef mpl::bool_<value> type;
|
||||
};
|
||||
|
||||
template <typename T>
|
||||
class unwrap_pointer
|
||||
: public detail::pointer_unwrapper<
|
||||
is_pointer_wrapper<T>::value
|
||||
>::template apply<T>
|
||||
{};
|
||||
|
||||
# endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
|
||||
|
||||
}} // namespace boost::python
|
||||
|
||||
#endif // #ifndef PTR_DWA20020601_HPP
|
||||
Reference in New Issue
Block a user