125 lines
3.2 KiB
Plaintext
125 lines
3.2 KiB
Plaintext
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// (C) Copyright R.W. Grosse-Kunstleve 2002.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_PYTHON_OBJECT_PICKLE_SUPPORT_RWGK20020603_HPP
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# define BOOST_PYTHON_OBJECT_PICKLE_SUPPORT_RWGK20020603_HPP
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# include <boost/python/detail/prefix.hpp>
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namespace boost { namespace python {
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namespace api
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{
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class object;
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}
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using api::object;
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class tuple;
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BOOST_PYTHON_DECL object const& make_instance_reduce_function();
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struct pickle_suite;
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namespace error_messages {
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template <class T>
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struct missing_pickle_suite_function_or_incorrect_signature {};
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inline void must_be_derived_from_pickle_suite(pickle_suite const&) {}
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}
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namespace detail { struct pickle_suite_registration; }
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struct pickle_suite
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{
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private:
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struct inaccessible {};
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friend struct detail::pickle_suite_registration;
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public:
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static inaccessible* getinitargs() { return 0; }
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static inaccessible* getstate() { return 0; }
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static inaccessible* setstate() { return 0; }
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static bool getstate_manages_dict() { return false; }
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};
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namespace detail {
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struct pickle_suite_registration
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{
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typedef pickle_suite::inaccessible inaccessible;
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template <class Class_, class Tgetinitargs>
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static
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void
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register_(
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Class_& cl,
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tuple (*getinitargs_fn)(Tgetinitargs),
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inaccessible* (* /*getstate_fn*/)(),
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inaccessible* (* /*setstate_fn*/)(),
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bool)
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{
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cl.enable_pickling_(false);
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cl.def("__getinitargs__", getinitargs_fn);
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}
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template <class Class_,
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class Rgetstate, class Tgetstate,
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class Tsetstate, class Ttuple>
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static
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void
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register_(
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Class_& cl,
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inaccessible* (* /*getinitargs_fn*/)(),
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Rgetstate (*getstate_fn)(Tgetstate),
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void (*setstate_fn)(Tsetstate, Ttuple),
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bool getstate_manages_dict)
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{
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cl.enable_pickling_(getstate_manages_dict);
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cl.def("__getstate__", getstate_fn);
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cl.def("__setstate__", setstate_fn);
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}
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template <class Class_,
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class Tgetinitargs,
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class Rgetstate, class Tgetstate,
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class Tsetstate, class Ttuple>
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static
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void
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register_(
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Class_& cl,
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tuple (*getinitargs_fn)(Tgetinitargs),
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Rgetstate (*getstate_fn)(Tgetstate),
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void (*setstate_fn)(Tsetstate, Ttuple),
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bool getstate_manages_dict)
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{
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cl.enable_pickling_(getstate_manages_dict);
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cl.def("__getinitargs__", getinitargs_fn);
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cl.def("__getstate__", getstate_fn);
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cl.def("__setstate__", setstate_fn);
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}
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template <class Class_>
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static
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void
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register_(
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Class_&,
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...)
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{
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typedef typename
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error_messages::missing_pickle_suite_function_or_incorrect_signature<
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Class_>::error_type error_type BOOST_ATTRIBUTE_UNUSED;
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}
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};
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template <typename PickleSuiteType>
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struct pickle_suite_finalize
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: PickleSuiteType,
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pickle_suite_registration
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{};
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} // namespace detail
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}} // namespace boost::python
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#endif // BOOST_PYTHON_OBJECT_PICKLE_SUPPORT_RWGK20020603_HPP
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