1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/ossrv_pub/boost_apis/boost/python/proxy.hpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,101 @@
     1.4 +// Copyright David Abrahams 2002.
     1.5 +// Distributed under the Boost Software License, Version 1.0. (See
     1.6 +// accompanying file LICENSE_1_0.txt or copy at
     1.7 +// http://www.boost.org/LICENSE_1_0.txt)
     1.8 +#ifndef PROXY_DWA2002615_HPP
     1.9 +# define PROXY_DWA2002615_HPP
    1.10 +# include <boost/python/detail/prefix.hpp>
    1.11 +# include <boost/python/object_core.hpp>
    1.12 +# include <boost/python/object_operators.hpp>
    1.13 +
    1.14 +namespace boost { namespace python { namespace api {
    1.15 +
    1.16 +template <class Policies>
    1.17 +class proxy : public object_operators<proxy<Policies> >
    1.18 +{
    1.19 +    typedef typename Policies::key_type key_type;
    1.20 +    
    1.21 +# if !defined(BOOST_MSVC) || BOOST_MSVC >= 1300
    1.22 +    typedef proxy const& assignment_self;
    1.23 +# else
    1.24 +    typedef proxy assignment_self;
    1.25 +# endif
    1.26 + public:
    1.27 +    proxy(object const& target, key_type const& key);
    1.28 +    operator object() const;
    1.29 +
    1.30 +    // to support a[b] = c[d]
    1.31 +    proxy const& operator=(assignment_self) const;
    1.32 +    
    1.33 +    template <class T>
    1.34 +    inline proxy const& operator=(T const& rhs) const
    1.35 +    {
    1.36 +        Policies::set(m_target, m_key, object(rhs));
    1.37 +        return *this;
    1.38 +    }
    1.39 +
    1.40 + public: // implementation detail
    1.41 +    void del() const;
    1.42 +        
    1.43 + private:
    1.44 +    object m_target;
    1.45 +    key_type m_key;
    1.46 +};
    1.47 +
    1.48 +
    1.49 +template <class T>
    1.50 +inline void del(proxy<T> const& x)
    1.51 +{
    1.52 +    x.del();
    1.53 +}
    1.54 +
    1.55 +//
    1.56 +// implementation
    1.57 +//
    1.58 +
    1.59 +template <class Policies>
    1.60 +inline proxy<Policies>::proxy(object const& target, key_type const& key)
    1.61 +    : m_target(target), m_key(key)
    1.62 +{}
    1.63 +
    1.64 +template <class Policies>
    1.65 +inline proxy<Policies>::operator object() const
    1.66 +{
    1.67 +    return Policies::get(m_target, m_key);
    1.68 +}
    1.69 +
    1.70 +// to support a[b] = c[d]
    1.71 +template <class Policies>
    1.72 +inline proxy<Policies> const& proxy<Policies>::operator=(typename proxy::assignment_self rhs) const
    1.73 +{
    1.74 +    return *this = python::object(rhs);
    1.75 +}
    1.76 +
    1.77 +# define BOOST_PYTHON_PROXY_INPLACE(op)                                         \
    1.78 +template <class Policies, class R>                                              \
    1.79 +proxy<Policies> const& operator op(proxy<Policies> const& lhs, R const& rhs)    \
    1.80 +{                                                                               \
    1.81 +    object old(lhs);                                                            \
    1.82 +    return lhs = (old op rhs);                                                  \
    1.83 +} 
    1.84 +BOOST_PYTHON_PROXY_INPLACE(+=)
    1.85 +BOOST_PYTHON_PROXY_INPLACE(-=)
    1.86 +BOOST_PYTHON_PROXY_INPLACE(*=)
    1.87 +BOOST_PYTHON_PROXY_INPLACE(/=)
    1.88 +BOOST_PYTHON_PROXY_INPLACE(%=)
    1.89 +BOOST_PYTHON_PROXY_INPLACE(<<=)
    1.90 +BOOST_PYTHON_PROXY_INPLACE(>>=)
    1.91 +BOOST_PYTHON_PROXY_INPLACE(&=)
    1.92 +BOOST_PYTHON_PROXY_INPLACE(^=)
    1.93 +BOOST_PYTHON_PROXY_INPLACE(|=)
    1.94 +# undef BOOST_PYTHON_PROXY_INPLACE
    1.95 +
    1.96 +template <class Policies>
    1.97 +inline void proxy<Policies>::del() const
    1.98 +{
    1.99 +    Policies::del(m_target, m_key);
   1.100 +}
   1.101 +
   1.102 +}}} // namespace boost::python::api
   1.103 +
   1.104 +#endif // PROXY_DWA2002615_HPP