0b6a182c
 Hu Chunming
添加无鉴权注册和注销
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// 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)
#ifndef PROXY_DWA2002615_HPP
# define PROXY_DWA2002615_HPP
# include <boost/python/detail/prefix.hpp>
# include <boost/python/object_core.hpp>
# include <boost/python/object_operators.hpp>
namespace boost { namespace python { namespace api {
template <class Policies>
class proxy : public object_operators<proxy<Policies> >
{
typedef typename Policies::key_type key_type;
typedef proxy const& assignment_self;
public:
proxy(object const& target, key_type const& key);
operator object() const;
// to support a[b] = c[d]
proxy const& operator=(assignment_self) const;
template <class T>
inline proxy const& operator=(T const& rhs) const
{
Policies::set(m_target, m_key, object(rhs));
return *this;
}
public: // implementation detail
void del() const;
private:
object m_target;
key_type m_key;
};
template <class T>
inline void del(proxy<T> const& x)
{
x.del();
}
//
// implementation
//
template <class Policies>
inline proxy<Policies>::proxy(object const& target, key_type const& key)
: m_target(target), m_key(key)
{}
template <class Policies>
inline proxy<Policies>::operator object() const
{
return Policies::get(m_target, m_key);
}
// to support a[b] = c[d]
template <class Policies>
inline proxy<Policies> const& proxy<Policies>::operator=(typename proxy::assignment_self rhs) const
{
return *this = python::object(rhs);
}
# define BOOST_PYTHON_PROXY_INPLACE(op) \
template <class Policies, class R> \
proxy<Policies> const& operator op(proxy<Policies> const& lhs, R const& rhs) \
{ \
object old(lhs); \
return lhs = (old op rhs); \
}
BOOST_PYTHON_PROXY_INPLACE(+=)
BOOST_PYTHON_PROXY_INPLACE(-=)
BOOST_PYTHON_PROXY_INPLACE(*=)
BOOST_PYTHON_PROXY_INPLACE(/=)
BOOST_PYTHON_PROXY_INPLACE(%=)
BOOST_PYTHON_PROXY_INPLACE(<<=)
BOOST_PYTHON_PROXY_INPLACE(>>=)
BOOST_PYTHON_PROXY_INPLACE(&=)
BOOST_PYTHON_PROXY_INPLACE(^=)
BOOST_PYTHON_PROXY_INPLACE(|=)
# undef BOOST_PYTHON_PROXY_INPLACE
template <class Policies>
inline void proxy<Policies>::del() const
{
Policies::del(m_target, m_key);
}
}}} // namespace boost::python::api
#endif // PROXY_DWA2002615_HPP
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