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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "sbksmartpointer.h"
#include "sbkstring.h"
#include "autodecref.h"
#include <unordered_set>
namespace Shiboken::SmartPointer
{
PyObject *repr(PyObject *pointer, PyObject *pointee)
{
Shiboken::AutoDecRef pointerRepr(Shiboken::String::repr(pointer));
if (pointer == nullptr)
return pointerRepr.release();
Shiboken::AutoDecRef pointeeRepr(pointee != nullptr
? PyObject_Repr(pointee)
: Shiboken::String::repr(pointee));
return PyUnicode_FromFormat("%U (%U)", pointerRepr.object(), pointeeRepr.object());
}
// __dir__ for a smart pointer. Add the __dir__ entries of the pointee to the list.
PyObject *dir(PyObject *pointer, PyObject *pointee)
{
if (pointer == nullptr)
return PyList_New(0);
// Get the pointer's dir entries. Note: PyObject_Dir() cannot be called on
// self, will crash. Work around by using the type dict keys.
AutoDecRef tpDict(PepType_GetDict(Py_TYPE(pointer)));
auto *result = PyMapping_Keys(tpDict);
if (pointee != nullptr && pointee != Py_None) {
// Add the entries of the pointee that do not exist in the pointer's list.
// Since Python internally caches strings; we can use a set of PyObject *.
std::unordered_set<PyObject *> knownStrings;
for (Py_ssize_t i = 0, size = PySequence_Size(result); i < size; ++i) {
Shiboken::AutoDecRef item(PySequence_GetItem(result, i));
knownStrings.insert(item.object());
}
const auto knownEnd = knownStrings.end();
Shiboken::AutoDecRef pointeeDir(PyObject_Dir(pointee));
for (Py_ssize_t i = 0, size = PySequence_Size(pointeeDir.object()); i < size; ++i) {
Shiboken::AutoDecRef item(PySequence_GetItem(pointeeDir, i));
if (knownStrings.find(item.object()) == knownEnd)
PyList_Append(result, item.object());
}
}
PyList_Sort(result);
return result;
}
} // namespace Shiboken::SmartPointer
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