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// Copyright (C) 2016 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
#ifndef BASEWRAPPER_P_H
#define BASEWRAPPER_P_H
#include "sbkpython.h"
#include "basewrapper.h"
#include <unordered_map>
#include <set>
#include <string>
#include <vector>
#include <iosfwd>
struct SbkObject;
struct SbkConverter;
namespace Shiboken
{
/**
* This mapping associates a method and argument of an wrapper object with the wrapper of
* said argument when it needs the binding to help manage its reference count.
*/
using RefCountMap = std::unordered_multimap<std::string, PyObject *> ;
/// Linked list of SbkBaseWrapper pointers
using ChildrenList = std::set<SbkObject *>;
/// Structure used to store information about object parent and children.
struct ParentInfo
{
/// Pointer to parent object.
SbkObject *parent = nullptr;
/// List of object children.
ChildrenList children;
/// has internal ref
bool hasWrapperRef = false;
};
} // namespace Shiboken
extern "C"
{
/**
* \internal
* Private data for SbkBaseWrapper
*/
struct SbkObjectPrivate
{
SbkObjectPrivate() noexcept = default;
SbkObjectPrivate(const SbkObjectPrivate &) = delete;
SbkObjectPrivate(SbkObjectPrivate &&o) = delete;
SbkObjectPrivate &operator=(const SbkObjectPrivate &) = delete;
SbkObjectPrivate &operator=(SbkObjectPrivate &&o) = delete;
/// Pointer to the C++ class.
void ** cptr;
/// True when Python is responsible for freeing the used memory.
unsigned int hasOwnership : 1;
/// This is true when the C++ class of the wrapped object has a virtual destructor AND was created by Python.
unsigned int containsCppWrapper : 1;
/// Marked as false when the object is lost to C++ and the binding can not know if it was deleted or not.
unsigned int validCppObject : 1;
/// Marked as true when the object constructor was called
unsigned int cppObjectCreated : 1;
/// PYSIDE-1470: Marked as true if this is the Q*Application singleton.
/// This bit allows app deletion from shiboken?.delete() .
unsigned int isQAppSingleton : 1;
/// Information about the object parents and children, may be null.
Shiboken::ParentInfo *parentInfo;
/// Manage reference count of objects that are referred to but not owned from.
Shiboken::RefCountMap *referredObjects;
~SbkObjectPrivate()
{
delete parentInfo;
parentInfo = nullptr;
delete referredObjects;
referredObjects = nullptr;
}
};
// TODO-CONVERTERS: to be deprecated/removed
/// The type behaviour was not defined yet
#define BEHAVIOUR_UNDEFINED 0
/// The type is a value type
#define BEHAVIOUR_VALUETYPE 1
/// The type is an object type
#define BEHAVIOUR_OBJECTTYPE 2
struct SbkObjectTypePrivate
{
SbkConverter *converter;
int *mi_offsets;
MultipleInheritanceInitFunction mi_init;
/// Special cast function, null if this class doesn't have multiple inheritance.
SpecialCastFunction mi_specialcast;
TypeDiscoveryFuncV2 type_discovery;
/// Pointer to a function responsible for deletion of the C++ instance calling the proper destructor.
ObjectDestructor cpp_dtor;
/// C++ name
char *original_name;
/// Type user data
void *user_data;
DeleteUserDataFunc d_func;
void (*subtype_init)(PyTypeObject *, PyObject *, PyObject *);
const char **propertyStrings;
const char **enumFlagInfo;
PyObject *enumFlagsDict;
PyObject *enumTypeDict;
/// True if this type holds two or more C++ instances, e.g.: a Python class which inherits from two C++ classes.
unsigned int is_multicpp : 1;
/// True if this type was defined by the user (a class written in Python inheriting
/// a class provided by a Shiboken binding).
unsigned int is_user_type : 1;
/// Tells is the type is a value type or an object-type, see BEHAVIOUR_ *constants.
unsigned int type_behaviour : 2;
unsigned int delete_in_main_thread : 1;
};
} // extern "C"
namespace Shiboken
{
/**
* \internal
* Data required to invoke a C++ destructor
*/
struct DestructorEntry
{
ObjectDestructor destructor;
void *cppInstance;
};
/**
* Utility function used to transform a PyObject that implements sequence protocol into a std::list.
**/
std::vector<SbkObject *> splitPyObject(PyObject *pyObj);
int getNumberOfCppBaseClasses(PyTypeObject *baseType);
namespace Object
{
/**
* Decrements the reference counters of every object referred by self.
* \param self the wrapper instance that keeps references to other objects.
*/
void clearReferences(SbkObject *self);
/**
* Destroy internal data
**/
void deallocData(SbkObject *self, bool doCleanup);
void _debugFormat(std::ostream &str, SbkObject *self);
} // namespace Object
} // namespace Shiboken
#endif
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