PyObject* PythonQtConv::ConvertQtValueToPython(const PythonQtMethodInfo::ParameterInfo& info, const void* data) {
// is it an enum value?
if (info.enumWrapper) {
if (info.pointerCount==0) {
return PythonQtPrivate::createEnumValueInstance(info.enumWrapper, *((unsigned int*)data));
} else {
// we do not support pointers to enums (who needs them?)
Py_INCREF(Py_None);
return Py_None;
}
}
if (info.typeId == QMetaType::Void) {
Py_INCREF(Py_None);
return Py_None;
} else if ((info.pointerCount == 1) && (info.typeId == QMetaType::Char)) {
// a char ptr will probably be a null terminated string, so we support that:
return PyString_FromString(*((char**)data));
} else if ((info.typeId == PythonQtMethodInfo::Unknown || info.typeId >= QMetaType::User) &&
info.name.startsWith("QList<")) {
// it is a QList template:
QByteArray innerType = info.name.mid(6,info.name.length()-7);
if (innerType.endsWith("*")) {
innerType.truncate(innerType.length()-1);
QList<void*>* listPtr = NULL;
if (info.pointerCount == 1) {
listPtr = *((QList<void*>**)data);
} else if (info.pointerCount == 0) {
listPtr = (QList<void*>*)data;
}
if (listPtr) {
return ConvertQListOfPointerTypeToPythonList(listPtr, innerType);
} else {
return NULL;
}
}
}
if (info.typeId >= QMetaType::User) {
// if a converter is registered, we use is:
PythonQtConvertMetaTypeToPythonCB* converter = _metaTypeToPythonConverters.value(info.typeId);
if (converter) {
return (*converter)(data, info.typeId);
}
}
// special handling did not match, so we convert the usual way (either pointer or value version):
if (info.pointerCount == 1) {
// convert the pointer to a Python Object (we can handle ANY C++ object, in the worst case we just know the type and the pointer)
return PythonQt::priv()->wrapPtr(*((void**)data), info.name);
} else if (info.pointerCount == 0) {
// handle values that are not yet handled and not pointers
return ConvertQtValueToPythonInternal(info.typeId, data);
} else {
return NULL;
}
}
PyObject* PythonQtConv::ConvertQtValueToPython(const PythonQtMethodInfo::ParameterInfo& info, const void* data) {
// is it an enum value?
if (info.enumWrapper) {
if (info.pointerCount==0) {
return PythonQtPrivate::createEnumValueInstance(info.enumWrapper, *((unsigned int*)data));
} else {
// we do not support pointers to enums (who needs them?)
Py_INCREF(Py_None);
return Py_None;
}
}
if (info.typeId == QMetaType::Void) {
Py_INCREF(Py_None);
return Py_None;
} else if ((info.pointerCount == 1) && (info.typeId == QMetaType::Char)) {
// a char ptr will probably be a null terminated string, so we support that:
char* charPtr = *((char**)data);
if (charPtr) {
return PyString_FromString(charPtr);
} else {
Py_INCREF(Py_None);
return Py_None;
}
} else if ((info.typeId == PythonQtMethodInfo::Unknown || info.typeId >= QMetaType::User) &&
info.isQList && (info.innerNamePointerCount == 1)) {
// it is a QList<Obj*> template:
QList<void*>* listPtr = NULL;
if (info.pointerCount == 1) {
listPtr = *((QList<void*>**)data);
} else if (info.pointerCount == 0) {
listPtr = (QList<void*>*)data;
}
if (listPtr) {
return ConvertQListOfPointerTypeToPythonList(listPtr, info.innerName);
} else {
return NULL;
}
}
if (info.typeId >= QMetaType::User) {
// if a converter is registered, we use is:
PythonQtConvertMetaTypeToPythonCB* converter = _metaTypeToPythonConverters.value(info.typeId);
if (converter) {
return (*converter)(info.pointerCount==0?data:*((void**)data), info.typeId);
}
}
// special handling did not match, so we convert the usual way (either pointer or value version):
if (info.pointerCount == 1) {
// convert the pointer to a Python Object (we can handle ANY C++ object, in the worst case we just know the type and the pointer)
return PythonQt::priv()->wrapPtr(*((void**)data), info.name);
} else if (info.pointerCount == 0) {
if (info.typeId != PythonQtMethodInfo::Unknown) {
// handle values that are const& or by value and have a metatype
return ConvertQtValueToPythonInternal(info.typeId, data);
} else {
// the type does not have a typeid, we need to make a copy using the copy constructor
PythonQtClassInfo* classInfo = PythonQt::priv()->getClassInfo(info.name);
if (classInfo) {
PyObject* result = classInfo->copyObject((void*)data);
if (result) {
return result;
}
}
}
}
Py_INCREF(Py_None);
return Py_None;
}