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// This is the support code for QMetaObject.
//
// Copyright (c) 2010 Riverbank Computing Limited <info@riverbankcomputing.com>
//
// This file is part of PyQt.
//
// This file may be used under the terms of the GNU General Public
// License versions 2.0 or 3.0 as published by the Free Software
// Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
// included in the packaging of this file. Alternatively you may (at
// your option) use any later version of the GNU General Public
// License if such license has been publicly approved by Riverbank
// Computing Limited (or its successors, if any) and the KDE Free Qt
// Foundation. In addition, as a special exception, Riverbank gives you
// certain additional rights. These rights are described in the Riverbank
// GPL Exception version 1.1, which can be found in the file
// GPL_EXCEPTION.txt in this package.
//
// Please review the following information to ensure GNU General
// Public Licensing requirements will be met:
// http://trolltech.com/products/qt/licenses/licensing/opensource/. If
// you are unsure which license is appropriate for your use, please
// review the following information:
// http://trolltech.com/products/qt/licenses/licensing/licensingoverview
// or contact the sales department at sales@riverbankcomputing.com.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#include <Python.h>
#include <QGenericArgument>
#include <QGenericReturnArgument>
#include "qpycore_chimera.h"
#include "qpycore_misc.h"
#include "qpycore_sip.h"
// Forward declarations.
static PyObject *ArgumentStorage_New(PyObject *type, PyObject *data);
extern "C" {static void ArgumentStorage_delete(void *stv);}
// Register a number of named types and integer types for Q_FLAGS and Q_ENUMS.
// Note that this support is half-baked but provided for backwards
// compatibility until something better is done.
PyObject *qpycore_register_int_types(PyObject *type_names)
{
for (SIP_SSIZE_T i = 0; i < PyTuple_GET_SIZE(type_names); ++i)
{
PyObject *name = PyTuple_GET_ITEM(type_names, i);
const char *ascii = sipString_AsASCIIString(&name);
if (!ascii)
return 0;
Chimera::registerIntType(ascii);
Py_DECREF(name);
}
Py_INCREF(Py_None);
return Py_None;
}
// Return a wrapped QGenericArgument for the given type and Python object.
PyObject *qpycore_ArgumentFactory(PyObject *type, PyObject *data)
{
PyObject *as_obj = ArgumentStorage_New(type, data);
if (!as_obj)
{
Chimera::raiseParseException(type, "a Q_ARG()");
return 0;
}
Chimera::Storage *st = reinterpret_cast<Chimera::Storage *>(
PyCObject_AsVoidPtr(as_obj));
QGenericArgument *arg = new QGenericArgument(
st->type()->name().constData(), st->address());
PyObject *ga_obj = sipConvertFromNewType(arg, sipType_QGenericArgument, 0);
if (ga_obj)
{
// Stash the storage in the user field so that everything will be
// properly garbage collected.
((sipSimpleWrapper *)ga_obj)->user = as_obj;
}
else
{
delete arg;
Py_DECREF(as_obj);
}
return ga_obj;
}
// Return a wrapped QGenericReturnArgument for the given type.
PyObject *qpycore_ReturnFactory(PyObject *type)
{
PyObject *as_obj = ArgumentStorage_New(type, 0);
if (!as_obj)
{
Chimera::raiseParseException(type, "a Q_RETURN_ARG()");
return 0;
}
Chimera::Storage *st = reinterpret_cast<Chimera::Storage *>(
PyCObject_AsVoidPtr(as_obj));
QGenericReturnArgument *arg = new QGenericReturnArgument(
st->type()->name().constData(), st->address());
PyObject *gra_obj = sipConvertFromNewType(arg,
sipType_QGenericReturnArgument, 0);
if (gra_obj)
{
// Stash the storage in the user field so that everything will be
// properly garbage collected.
((sipSimpleWrapper *)gra_obj)->user = as_obj;
}
else
{
delete arg;
Py_DECREF(as_obj);
}
return gra_obj;
}
// Return the Python result from a QGenericReturnArgument.
PyObject *qpycore_ReturnValue(PyObject *gra_obj)
{
PyObject *as_obj = ((sipSimpleWrapper *)gra_obj)->user;
Chimera::Storage *st = reinterpret_cast<Chimera::Storage *>(
PyCObject_AsVoidPtr(as_obj));
return st->toPyObject();
}
// The PyCObject destructor for the ArgumentStorage type.
static void ArgumentStorage_delete(void *stv)
{
Chimera::Storage *st = reinterpret_cast<Chimera::Storage *>(stv);
const Chimera *ct = st->type();
delete st;
delete ct;
}
// Returns a Python object wrapping a ArgumentStorage instance.
static PyObject *ArgumentStorage_New(PyObject *type, PyObject *data)
{
const Chimera *ct = Chimera::parse(type);
if (!ct)
return 0;
Chimera::Storage *st;
if (data)
st = ct->fromPyObjectToStorage(data);
else
st = ct->storageFactory();
if (!st)
{
delete ct;
return 0;
}
// Convert to a Python object.
PyObject *as_obj = PyCObject_FromVoidPtr(st, ArgumentStorage_delete);
if (!as_obj)
ArgumentStorage_delete(st);
return as_obj;
}
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