139 lines
4.7 KiB
C++
139 lines
4.7 KiB
C++
/*
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PyEO
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Copyright (C) 2003 Maarten Keijzer
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef MAKE_ABSTRACT_FUNCTOR_H
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#define MAKE_ABSTRACT_FUNCTOR_H
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#include <eoFunctor.h>
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// DEFINES for call
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#define WC1 boost::python::with_custodian_and_ward<1,2>()
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#define WC2 boost::python::with_custodian_and_ward<1,2, with_custodian_and_ward<1,3> >()
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namespace eoutils {
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using namespace boost::python;
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template <class Proc>
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class ProcWrapper : public Proc
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{
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public:
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PyObject* self;
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ProcWrapper(PyObject* s) : self(s) {}
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typename Proc::result_type operator()(void)
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{
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return boost::python::call_method<typename Proc::result_type>(self, "__call__");
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}
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};
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template <class Proc>
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void make_abstract_functor(std::string name, typename eoFunctorBase::procedure_tag)
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{
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typedef ProcWrapper<Proc> Wrapper;
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boost::python::class_<Proc, Wrapper,boost::noncopyable>(name.c_str(), boost::python::init<>() )
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.def("__call__", &Wrapper::operator());
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}
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template <class Proc>
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void make_abstract_functor_ref(std::string name, typename eoFunctorBase::procedure_tag)
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{
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typedef ProcWrapper<Proc> Wrapper;
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boost::python::class_<Proc, Wrapper,boost::noncopyable>(name.c_str(), boost::python::init<>() )
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.def("__call__", &Wrapper::operator(), boost::python::return_internal_reference<>());
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}
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template <class Unary>
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class UnaryWrapper : public Unary
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{
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public:
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PyObject* self;
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UnaryWrapper(PyObject* s) : self(s) {}
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typename Unary::result_type operator()(typename Unary::argument_type a)
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{
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return boost::python::call_method<typename Unary::result_type>(self, "__call__", boost::ref(a) );
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}
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};
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template <class Unary>
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void make_abstract_functor(std::string name, typename eoFunctorBase::unary_function_tag)
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{
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typedef UnaryWrapper<Unary> Wrapper;
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boost::python::class_<Unary, Wrapper, boost::noncopyable>(name.c_str(), boost::python::init<>() )
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.def("__call__", &Wrapper::operator())
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;
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}
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template <class Unary>
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void make_abstract_functor_ref(std::string name, typename eoFunctorBase::unary_function_tag)
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{
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typedef UnaryWrapper<Unary> Wrapper;
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boost::python::class_<Unary, Wrapper, boost::noncopyable>(name.c_str(), boost::python::init<>() )
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.def("__call__", &Wrapper::operator(), boost::python::return_internal_reference<>() )
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;
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}
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template <class Binary>
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class BinaryWrapper : public Binary
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{
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public:
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PyObject* self;
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BinaryWrapper(PyObject* s) : self(s) {}
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typename Binary::result_type operator()(typename Binary::first_argument_type a1, typename Binary::second_argument_type a2)
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{
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return boost::python::call_method<
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typename Binary::result_type>(self, "__call__", boost::ref(a1), boost::ref(a2) );
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}
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};
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template <class Binary>
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void make_abstract_functor(std::string name, typename eoFunctorBase::binary_function_tag)
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{
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typedef BinaryWrapper<Binary> Wrapper;
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boost::python::class_<Binary, Wrapper, boost::noncopyable>(name.c_str(), boost::python::init<>() )
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.def("__call__", &Wrapper::operator());
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}
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template <class Binary>
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void make_abstract_functor_ref(std::string name, typename eoFunctorBase::binary_function_tag)
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{
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typedef BinaryWrapper<Binary> Wrapper;
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boost::python::class_<Binary, Wrapper, boost::noncopyable>(name.c_str(), boost::python::init<>() )
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.def("__call__", &Wrapper::operator(), boost::python::return_internal_reference<>() );
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}
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}// namespace eoutils
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template <class Functor>
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void def_abstract_functor(std::string name)
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{
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eoutils::make_abstract_functor<Functor>(name, Functor::functor_category());
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}
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template <class Functor>
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void def_abstract_functor_ref(std::string name)
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{
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eoutils::make_abstract_functor_ref<Functor>(name, Functor::functor_category());
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}
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#endif
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