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/*
* This file is part of the Shiboken Python Bindings Generator project.
*
* Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
*
* Contact: PySide team <contact@pyside.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef TYPERESOLVER_H
#define TYPERESOLVER_H
#include "shibokenmacros.h"
#include "conversions.h"
namespace Shiboken
{
/* To C++ convertion functions. */
template <typename T>
inline void pythonToValueType(PyObject* pyobj, void** data)
{
*reinterpret_cast<T*>(*data) = Shiboken::Converter<T>::toCpp(pyobj);
}
template <typename T>
inline void pythonToObjectType(PyObject* pyobj, void** data)
{
*reinterpret_cast<T**>(*data) = Shiboken::Converter<T*>::toCpp(pyobj);
}
template <typename T>
inline PyObject* objectTypeToPython(void* cptr)
{
return Shiboken::Converter<T*>::toPython(*reinterpret_cast<T**>(cptr));
}
template <typename T>
inline PyObject* referenceTypeToPython(void* cptr)
{
// cptr comes the same way it come when we have a value type, but
// we deliver a Python object of a reference
return Shiboken::Converter<T&>::toPython(*reinterpret_cast<T*>(cptr));
}
/**
* \internal This function is not part of the public API.
* Initialize the TypeResource internal cache.
*/
void initTypeResolver();
class LIBSHIBOKEN_API TypeResolver
{
public:
enum Type
{
ObjectType,
ValueType,
UnknownType
};
typedef PyObject* (*CppToPythonFunc)(void*);
typedef void (*PythonToCppFunc)(PyObject*, void**);
~TypeResolver();
template<typename T>
static TypeResolver* createValueTypeResolver(const char* typeName)
{
return createTypeResolver(typeName, &Shiboken::Converter<T>::toPython, &pythonToValueType<T>, SbkType<T>());
}
template<typename T>
static TypeResolver* createObjectTypeResolver(const char* typeName)
{
return createTypeResolver(typeName, &objectTypeToPython<T>, &pythonToObjectType<T>, SbkType<T>());
}
/**
* This kind of type resolver is used only when we have a signal with a reference in their arguments
* like on QSqlTableModel::primeInsert.
*/
template<typename T>
static TypeResolver* createReferenceTypeResolver(const char* typeName)
{
return createTypeResolver(typeName, &referenceTypeToPython<T>, &pythonToValueType<T>, SbkType<T>());
}
static Type getType(const char* name);
static TypeResolver* get(const char* typeName);
PyObject* toPython(void* cppObj);
void toCpp(PyObject* pyObj, void** place);
PyTypeObject* pythonType();
private:
struct TypeResolverPrivate;
TypeResolverPrivate* m_d;
TypeResolver();
// disable object copy
TypeResolver(const TypeResolver&);
TypeResolver& operator=(const TypeResolver&);
static TypeResolver* createTypeResolver(const char* typeName, CppToPythonFunc cppToPy, PythonToCppFunc pyToCpp, PyTypeObject* pyType);
};
}
#endif
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