#ifndef _PYTHONQTCLASSINFO_H

#define _PYTHONQTCLASSINFO_H

#include "PythonQtPythonInclude.h"

#include "PythonQt.h"

#include <QMetaObject>

#include <QMetaMethod>

#include <QHash>

#include <QByteArray>

#include <QList>

class PythonQtSlotInfo;

class PythonQtClassInfo;

struct PythonQtDynamicClassInfo

};

struct PythonQtMemberInfo {

};

class PYTHONQT_EXPORT PythonQtClassInfo {

PythonQtClassInfo();

~PythonQtClassInfo();

//! store information about parent classes

struct ParentClassInfo {

};

//! setup as a QObject, taking the meta object as meta information about the QObject

void setupQObject(const QMetaObject* meta);

//! setup as a CPP (non-QObject), taking the classname

void setupCPPObject(const QByteArray& classname);

//! set the type capabilities

void setTypeSlots(int typeSlots) { _typeSlots = typeSlots; }

//! get the type capabilities

int typeSlots() const { return _typeSlots; }

//! get the Python method definition for a given slot name (without return type and signature)

PythonQtMemberInfo member(const char* member);

//! get access to the constructor slot (which may be overloaded if there are multiple constructors)

PythonQtSlotInfo* constructors();

//! get access to the destructor slot

PythonQtSlotInfo* destructor();

//! add a constructor, ownership is passed to classinfo

void addConstructor(PythonQtSlotInfo* info);

//! set a destructor, ownership is passed to classinfo

void setDestructor(PythonQtSlotInfo* info);

//! add a decorator slot, ownership is passed to classinfo

void addDecoratorSlot(PythonQtSlotInfo* info);

//! add a nested class, so that it can be shown as outer class member

void addNestedClass(PythonQtClassInfo* info);

//! get the classname (either of the QObject or of the wrapped CPP object)

const QByteArray& className() const;

//! get the unscoped classname (without ParentClass::) for nested classes

QByteArray unscopedClassName() const;

//! returns if the QObject

bool isQObject() { return _isQObject; }

//! returns if the class is a CPP wrapper

bool isCPPWrapper() { return !_isQObject; }

//! get the meta object

const QMetaObject* metaObject() { return _meta; }

//! set the meta object, this will reset the caching

void setMetaObject(const QMetaObject* meta);

//! returns if this class inherits from the given classname

bool inherits(const char* classname);

//! returns if this class inherits from the given classinfo

bool inherits(PythonQtClassInfo* info);

//! casts the given \c ptr to an object of type \c classname, returns the new pointer

//! which might be different to \c ptr due to C++ multiple inheritance

//! (if the cast is not possible or if ptr is NULL, NULL is returned)

void* castTo(void* ptr, const char* classname);

//! get help string for the metaobject

QString help();

//! get list of all properties (on QObjects only, otherwise the list is empty)

QStringList propertyList();

//! get list of all members (excluding properties, which can be listed with propertyList())

QStringList memberList();

//! get the meta type id of this class (only valid for isCPPWrapper() == true)

int metaTypeId() { return _metaTypeId; }

//! set an additional decorator provider that offers additional decorator slots for this class

void setDecoratorProvider(PythonQtQObjectCreatorFunctionCB* cb);

//! get the decorator qobject instance

QObject* decorator();

//! add the parent class info of a CPP object

void addParentClass(const ParentClassInfo& info) { _parentClasses.append(info); }

//! set the associated PythonQtClassWrapper (which handles instance creation of this type)

void setPythonQtClassWrapper(PyObject* obj) { _pythonQtClassWrapper = obj; }

//! get the associated PythonQtClassWrapper (which handles instance creation of this type)

PyObject* pythonQtClassWrapper() { return _pythonQtClassWrapper; }

//! set the shell set instance wrapper cb

void setShellSetInstanceWrapperCB(PythonQtShellSetInstanceWrapperCB* cb) {

_shellSetInstanceWrapperCB = cb;

}

//! get the shell set instance wrapper cb

PythonQtShellSetInstanceWrapperCB* shellSetInstanceWrapperCB() {

return _shellSetInstanceWrapperCB;

}

//! add a handler for polymorphic downcasting

void addPolymorphicHandler(PythonQtPolymorphicHandlerCB* cb) { _polymorphicHandlers.append(cb); }

//! cast the pointer down in the class hierarchy if a polymorphic handler allows to do that

void* castDownIfPossible(void* ptr, PythonQtClassInfo** resultClassInfo);

//! returns if the localScope has an enum of that type name or if the enum contains a :: scope, if that class contails the enum

static PyObject* findEnumWrapper(const QByteArray& name, PythonQtClassInfo* localScope, bool* isLocalEnum = nullptr);

//! clear all members that where cached as "NotFound"

void clearNotFoundCachedMembers();

//! get nested classes

const QList<PythonQtClassInfo*>& nestedClasses() { return _nestedClasses; }

//! Create a copy of the given C++ object (which is known to be of a derived class), wrapped by Python and owned by PythonQt.

//! This will downcast if possible and return a copy of the down casted object.

//! This either requires a copy constructor on the class or it needs to be registered

//! as a meta type.

PyObject* copyObject(void* cppObject);

//! Get the copy constructor for this class

PythonQtSlotInfo* getCopyConstructor();

//! Sets reference counting callbacks for this class and all its subclasses

void setReferenceCounting(PythonQtVoidPtrCB* refCB, PythonQtVoidPtrCB* unrefCB);

//! Returns the ref counting CB, if there is any

PythonQtVoidPtrCB* referenceCountingRefCB();

//! Returns the unref counting CB, if there is any

PythonQtVoidPtrCB* referenceCountingUnrefCB();

//! Returns the Python type object for a given property.

//! (the returned object does not get an extra reference count)

PyObject* getPythonTypeForProperty(const QString& name);

//! Returns the class info for given property, if available.

PythonQtClassInfo* getClassInfoForProperty( const QString& name );

//! Returns if the class supports rich compare. This tests for

//! __eq__, __ne__, __lt__, __le__, __gt__, __ge__ slots and if

//! any of the slots is present it returns true and modifies the

//! _typeSlots with Type_RichCompare. The result is cached internally.

bool supportsRichCompare();

//! Sometimes enum values use a reserved name in Python. In this case

//! replace it with something that is not reserved

static QByteArray escapeReservedNames(const QByteArray& name);

//! Add a wrapper that contains global enums

static void addGlobalNamespaceWrapper(PythonQtClassInfo* namespaceWrapper);

void updateRefCountingCBs();

void createEnumWrappers(const QObject* decoratorProvider);

void createEnumWrappers(const QMetaObject* meta);

PyObject* findEnumWrapper(const char* name);

//! clear all cached members

void clearCachedMembers();

void* recursiveCastDownIfPossible(void* ptr, const char** resultClassName);

PythonQtSlotInfo* findDecoratorSlotsFromDecoratorProvider(const char* memberName, PythonQtSlotInfo* inputInfo, bool &found, QHash<QByteArray, PythonQtMemberInfo>& memberCache, int upcastingOffset);

void listDecoratorSlotsFromDecoratorProvider(QStringList& list, bool metaOnly);

PythonQtSlotInfo* recursiveFindDecoratorSlotsFromDecoratorProvider(const char* memberName, PythonQtSlotInfo* inputInfo, bool &found, QHash<QByteArray, PythonQtMemberInfo>& memberCache, int upcastingOffset);

void recursiveCollectClassInfos(QList<PythonQtClassInfo*>& classInfoObjects);

void recursiveCollectDecoratorObjects(QList<QObject*>& decoratorObjects);

bool lookForPropertyAndCache(const char* memberName);

bool lookForMethodAndCache(const char* memberName);

bool lookForEnumAndCache(const QMetaObject* m, const char* memberName);

PythonQtSlotInfo* findDecoratorSlots(const char* memberName, PythonQtSlotInfo* tail, bool &found, QHash<QByteArray, PythonQtMemberInfo>& memberCache, int upcastingOffset);

int findCharOffset(const char* sigStart, char someChar);

QHash<QByteArray, PythonQtMemberInfo> _cachedMembers;

PythonQtSlotInfo* _constructors;

PythonQtSlotInfo* _destructor;

PythonQtVoidPtrCB* _refCallback;

PythonQtVoidPtrCB* _unrefCallback;

QList<PythonQtSlotInfo*> _decoratorSlots;

QList<PythonQtObjectPtr> _enumWrappers;

const QMetaObject* _meta;

QByteArray _wrappedClassName;

QList<ParentClassInfo> _parentClasses;

QList<PythonQtPolymorphicHandlerCB*> _polymorphicHandlers;

QList<PythonQtClassInfo*> _nestedClasses;

QObject* _decoratorProvider;

PythonQtQObjectCreatorFunctionCB* _decoratorProviderCB;

PyObject* _pythonQtClassWrapper;

PythonQtShellSetInstanceWrapperCB* _shellSetInstanceWrapperCB;

int _metaTypeId;

int _typeSlots;

bool _isQObject;

bool _enumsCreated;

bool _richCompareDetectionDone;

bool _searchPolymorphicHandlerOnParent;

bool _searchRefCountCB;

static QList<PythonQtClassInfo*> _globalNamespaceWrappers;

static QSet<QByteArray> _reservedNames;

};

#endif