| 1 | // Copyright (C) 2021 The Qt Company Ltd. | 
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only | 
| 3 |  | 
| 4 | #ifndef QNATIVEINTERFACE_P_H | 
| 5 | #define QNATIVEINTERFACE_P_H | 
| 6 |  | 
| 7 | // | 
| 8 | //  W A R N I N G | 
| 9 | //  ------------- | 
| 10 | // | 
| 11 | // This file is not part of the Qt API.  It exists purely as an | 
| 12 | // implementation detail.  This header file may change from version to | 
| 13 | // version without notice, or even be removed. | 
| 14 | // | 
| 15 | // We mean it. | 
| 16 | // | 
| 17 |  | 
| 18 | #include <QtCore/private/qglobal_p.h> | 
| 19 | #include <QtCore/qloggingcategory.h> | 
| 20 |  | 
| 21 | QT_BEGIN_NAMESPACE | 
| 22 |  | 
| 23 | namespace QtPrivate { | 
| 24 | Q_DECLARE_EXPORTED_LOGGING_CATEGORY(lcNativeInterface, Q_CORE_EXPORT) | 
| 25 | } | 
| 26 |  | 
| 27 | // Provides a definition for the interface destructor | 
| 28 | #define QT_DEFINE_NATIVE_INTERFACE_2(Namespace, InterfaceClass)                                    \ | 
| 29 |     QT_PREPEND_NAMESPACE(Namespace)::InterfaceClass::~InterfaceClass() = default | 
| 30 |  | 
| 31 | #define QT_DEFINE_NATIVE_INTERFACE(...)                                                            \ | 
| 32 |     QT_OVERLOADED_MACRO(QT_DEFINE_NATIVE_INTERFACE, QNativeInterface, __VA_ARGS__) | 
| 33 | #define QT_DEFINE_PRIVATE_NATIVE_INTERFACE(...)                                                    \ | 
| 34 |     QT_OVERLOADED_MACRO(QT_DEFINE_NATIVE_INTERFACE, QNativeInterface::Private, __VA_ARGS__) | 
| 35 |  | 
| 36 | #define QT_NATIVE_INTERFACE_RETURN_IF(NativeInterface, baseType)                                   \ | 
| 37 |     {                                                                                              \ | 
| 38 |         using QtPrivate::lcNativeInterface;                                                        \ | 
| 39 |         using QNativeInterface::Private::TypeInfo;                                                 \ | 
| 40 |         qCDebug(lcNativeInterface, "Comparing requested interface name %s with available %s",      \ | 
| 41 |                 name, TypeInfo<NativeInterface>::name());                                          \ | 
| 42 |         if (qstrcmp(name, TypeInfo<NativeInterface>::name()) == 0) {                               \ | 
| 43 |             qCDebug(lcNativeInterface,                                                             \ | 
| 44 |                     "Match for interface %s. Comparing revisions (requested %d / available %d)",   \ | 
| 45 |                     name, revision, TypeInfo<NativeInterface>::revision());                        \ | 
| 46 |             if (revision == TypeInfo<NativeInterface>::revision()) {                               \ | 
| 47 |                 qCDebug(lcNativeInterface) << "Full match. Returning dynamic cast of" << baseType; \ | 
| 48 |                 return dynamic_cast<NativeInterface *>(baseType);                                  \ | 
| 49 |             } else {                                                                               \ | 
| 50 |                 qCWarning(lcNativeInterface,                                                       \ | 
| 51 |                           "Native interface revision mismatch (requested %d / available %d) for "  \ | 
| 52 |                           "interface %s",                                                          \ | 
| 53 |                           revision, TypeInfo<NativeInterface>::revision(), name);                  \ | 
| 54 |                 return nullptr;                                                                    \ | 
| 55 |             }                                                                                      \ | 
| 56 |         } else {                                                                                   \ | 
| 57 |             qCDebug(lcNativeInterface, "No match for requested interface name %s", name);          \ | 
| 58 |         }                                                                                          \ | 
| 59 |     } | 
| 60 |  | 
| 61 | QT_END_NAMESPACE | 
| 62 |  | 
| 63 | #endif // QNATIVEINTERFACE_P_H | 
| 64 |  |