mirror of
https://github.com/worldforge/cyphesis
synced 2026-08-13 12:26:04 -04:00
94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
/*
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Copyright (C) 2018 Erik Ogenvik
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef CYPHESIS_WRAPPERBASE_H
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#define CYPHESIS_WRAPPERBASE_H
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#include "external/pycxx/CXX/Extensions.hxx"
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template<typename TValue, typename TPythonClass>
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class WrapperBase : public Py::PythonClass<TPythonClass>
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{
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public:
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typedef TValue value_type;
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WrapperBase(Py::PythonClassInstance* self, Py::Tuple& args, Py::Dict& kwds);
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static Py::Object wrap(TValue value);
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static TValue& value(const Py::Object& object);
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TValue m_value;
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protected:
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WrapperBase(Py::PythonClassInstance* self, TValue value);
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};
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template<typename TValue, typename TPythonClass>
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WrapperBase<TValue, TPythonClass>::WrapperBase(Py::PythonClassInstance* self, Py::Tuple& args, Py::Dict& kwds)
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: Py::PythonClass<TPythonClass>::PythonClass(self, args, kwds)
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{}
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template<typename TValue, typename TPythonClass>
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WrapperBase<TValue, TPythonClass>::WrapperBase(Py::PythonClassInstance* self, TValue value)
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: Py::PythonClass<TPythonClass>::PythonClass(self), m_value(std::move(value))
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{}
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template<typename TValue, typename TPythonClass>
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Py::Object WrapperBase<TValue, TPythonClass>::wrap(TValue value)
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{
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auto obj = Py::PythonClass<TPythonClass>::extension_object_new(Py::PythonClass<TPythonClass>::type_object(), nullptr, nullptr);
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reinterpret_cast<Py::PythonClassInstance*>(obj)->m_pycxx_object = new TPythonClass(reinterpret_cast<Py::PythonClassInstance*>(obj), std::move(value));
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return Py::PythonClassObject<TPythonClass>(obj);
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}
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template<typename TValue, typename TPythonClass>
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TValue& WrapperBase<TValue, TPythonClass>::value(const Py::Object& object)
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{
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return Py::PythonClassObject<TPythonClass>(object).getCxxObject()->m_value;
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}
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std::string verifyString(const Py::Object& object, const std::string& message = "Must be string");
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float verifyNumeric(const Py::Object& object, const std::string& message = "Must be numeric");
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long verifyLong(const Py::Object& object, const std::string& message = "Must be long");
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float verifyFloat(const Py::Object& object, const std::string& message = "Must be float");
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Py::List verifyList(const Py::Object& object, const std::string& message = "Must be list");
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Py::Dict verifyDict(const Py::Object& object, const std::string& message = "Must be dict");
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template <typename T>
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typename T::value_type& verifyObject(const Py::Object& object, const std::string& message = "")
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{
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if (!T::check(object)) {
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if (message.empty()) {
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throw Py::TypeError("Must be a " + std::string(T::type_object()->tp_name));
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}
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throw Py::TypeError(message);
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}
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return T::value(object);
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}
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#endif //CYPHESIS_WRAPPERBASE_H
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