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39 | |
40 | #ifndef QFACTORYLOADER_P_H |
41 | #define QFACTORYLOADER_P_H |
42 | |
43 | // |
44 | // W A R N I N G |
45 | // ------------- |
46 | // |
47 | // This file is not part of the Qt API. It exists purely as an |
48 | // implementation detail. This header file may change from version to |
49 | // version without notice, or even be removed. |
50 | // |
51 | // We mean it. |
52 | // |
53 | |
54 | #include "QtCore/qglobal.h" |
55 | #ifndef QT_NO_QOBJECT |
56 | |
57 | #include "QtCore/qobject.h" |
58 | #include "QtCore/qstringlist.h" |
59 | #include "QtCore/qcborvalue.h" |
60 | #include "QtCore/qjsonobject.h" |
61 | #include "QtCore/qjsondocument.h" |
62 | #include "QtCore/qmap.h" |
63 | #include "QtCore/qendian.h" |
64 | #if QT_CONFIG(library) |
65 | #include "private/qlibrary_p.h" |
66 | #endif |
67 | |
68 | QT_BEGIN_NAMESPACE |
69 | |
70 | QJsonDocument qJsonFromRawLibraryMetaData(const char *raw, qsizetype size, QString *errMsg); |
71 | |
72 | class QFactoryLoaderPrivate; |
73 | class Q_CORE_EXPORT QFactoryLoader : public QObject |
74 | { |
75 | Q_OBJECT |
76 | Q_DECLARE_PRIVATE(QFactoryLoader) |
77 | |
78 | public: |
79 | explicit QFactoryLoader(const char *iid, |
80 | const QString &suffix = QString(), |
81 | Qt::CaseSensitivity = Qt::CaseSensitive); |
82 | |
83 | #if QT_CONFIG(library) |
84 | ~QFactoryLoader(); |
85 | |
86 | void update(); |
87 | static void refreshAll(); |
88 | |
89 | #if defined(Q_OS_UNIX) && !defined (Q_OS_MAC) |
90 | QLibraryPrivate *library(const QString &key) const; |
91 | #endif // Q_OS_UNIX && !Q_OS_MAC |
92 | #endif // QT_CONFIG(library) |
93 | |
94 | QMultiMap<int, QString> keyMap() const; |
95 | int indexOf(const QString &needle) const; |
96 | |
97 | QList<QJsonObject> metaData() const; |
98 | QObject *instance(int index) const; |
99 | }; |
100 | |
101 | template <class PluginInterface, class FactoryInterface, typename ...Args> |
102 | PluginInterface *qLoadPlugin(const QFactoryLoader *loader, const QString &key, Args &&...args) |
103 | { |
104 | const int index = loader->indexOf(needle: key); |
105 | if (index != -1) { |
106 | QObject *factoryObject = loader->instance(index); |
107 | if (FactoryInterface *factory = qobject_cast<FactoryInterface *>(factoryObject)) |
108 | if (PluginInterface *result = factory->create(key, std::forward<Args>(args)...)) |
109 | return result; |
110 | } |
111 | return nullptr; |
112 | } |
113 | |
114 | template <class PluginInterface, class FactoryInterface, typename Arg> |
115 | Q_DECL_DEPRECATED PluginInterface *qLoadPlugin1(const QFactoryLoader *loader, const QString &key, Arg &&arg) |
116 | { return qLoadPlugin<PluginInterface, FactoryInterface>(loader, key, std::forward<Arg>(arg)); } |
117 | |
118 | QT_END_NAMESPACE |
119 | |
120 | #endif // QT_NO_QOBJECT |
121 | |
122 | #endif // QFACTORYLOADER_P_H |
123 | |