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/*
* This file is part of the Shiboken Python Bindings Generator project.
*
* Copyright (C) 2009-2010 Nokia Corporation 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 HELPER_H
#define HELPER_H
#include "sbkpython.h"
#include "shibokenmacros.h"
#include "conversions.h"
#include "autodecref.h"
#define SBK_UNUSED(x) (void)x;
namespace Shiboken
{
template<typename A>
inline PyObject* makeTuple(const A& a)
{
return PyTuple_Pack(1, AutoDecRef(Converter<A>::toPython(a)).object());
}
template<typename A, typename B>
inline PyObject* makeTuple(const A& a, const B& b)
{
return PyTuple_Pack(2, AutoDecRef(Converter<A>::toPython(a)).object(),
AutoDecRef(Converter<B>::toPython(b)).object());
}
template<typename A, typename B, typename C>
inline PyObject* makeTuple(const A& a, const B& b, const C& c)
{
return PyTuple_Pack(3, AutoDecRef(Converter<A>::toPython(a)).object(),
AutoDecRef(Converter<B>::toPython(b)).object(),
AutoDecRef(Converter<C>::toPython(c)).object());
}
template<typename A, typename B, typename C, typename D>
inline PyObject* makeTuple(const A& a, const B& b, const C& c, const D& d)
{
return PyTuple_Pack(4, AutoDecRef(Converter<A>::toPython(a)).object(),
AutoDecRef(Converter<B>::toPython(b)).object(),
AutoDecRef(Converter<C>::toPython(c)).object(),
AutoDecRef(Converter<D>::toPython(d)).object());
}
template<typename A, typename B, typename C, typename D, typename E>
inline PyObject* makeTuple(const A& a, const B& b, const C& c, const D& d, const E& e)
{
return PyTuple_Pack(5, AutoDecRef(Converter<A>::toPython(a)).object(),
AutoDecRef(Converter<B>::toPython(b)).object(),
AutoDecRef(Converter<C>::toPython(c)).object(),
AutoDecRef(Converter<D>::toPython(d)).object(),
AutoDecRef(Converter<E>::toPython(e)).object());
}
/**
* It transforms a python sequence into two C variables, argc and argv.
* This function tries to find the application (script) name and put it into argv[0], if
* the application name can't be guessed, defaultAppName will be used.
*
* No memory is allocated is an error occur.
*
* \note argc must be a valid address.
* \note The argv array is allocated using new operator and each item is allocated using malloc.
* \returns True on sucess, false otherwise.
*/
LIBSHIBOKEN_API bool sequenceToArgcArgv(PyObject* argList, int* argc, char*** argv, const char* defaultAppName = 0);
/**
* Convert a python sequence into a heap-allocated array of ints.
*
* \returns The newly allocated array or NULL in case of error or empty sequence. Check with PyErr_Occurred
* if it was successfull.
*/
LIBSHIBOKEN_API int* sequenceToIntArray(PyObject* obj, bool zeroTerminated = false);
/**
* Creates and automatically deallocates C++ arrays.
*/
template<class T>
class AutoArrayPointer
{
public:
AutoArrayPointer(int size) { data = new T[size]; }
T& operator[](int pos) { return data[pos]; }
operator T*() const { return data; }
~AutoArrayPointer() { delete[] data; }
private:
T* data;
};
/**
* An utility function used to call PyErr_WarnEx with a formatted message.
*/
LIBSHIBOKEN_API int warning(PyObject *category, int stacklevel, const char *format, ...);
} // namespace Shiboken
#endif // HELPER_H
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