| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QLIBRARY_H |
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| 5 | #define QLIBRARY_H |
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| 6 | |
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| 7 | #include <QtCore/qobject.h> |
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| 8 | #include <QtCore/qtaggedpointer.h> |
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| 9 | |
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| 10 | QT_REQUIRE_CONFIG(library); |
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| 11 | |
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| 12 | QT_BEGIN_NAMESPACE |
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| 13 | |
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| 14 | class QLibraryPrivate; |
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| 15 | |
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| 16 | class Q_CORE_EXPORT QLibrary : public QObject |
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| 17 | { |
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| 18 | Q_OBJECT |
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| 19 | Q_PROPERTY(QString fileName READ fileName WRITE setFileName) |
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| 20 | Q_PROPERTY(LoadHints loadHints READ loadHints WRITE setLoadHints) |
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| 21 | public: |
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| 22 | enum LoadHint { |
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| 23 | ResolveAllSymbolsHint = 0x01, |
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| 24 | ExportExternalSymbolsHint = 0x02, |
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| 25 | LoadArchiveMemberHint = 0x04, |
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| 26 | PreventUnloadHint = 0x08, |
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| 27 | DeepBindHint = 0x10 |
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| 28 | }; |
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| 29 | Q_DECLARE_FLAGS(LoadHints, LoadHint) |
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| 30 | Q_ENUM(LoadHint) |
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| 31 | Q_FLAG(LoadHints) |
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| 32 | |
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| 33 | explicit QLibrary(QObject *parent = nullptr); |
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| 34 | explicit QLibrary(const QString &fileName, QObject *parent = nullptr); |
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| 35 | explicit QLibrary(const QString &fileName, int verNum, QObject *parent = nullptr); |
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| 36 | explicit QLibrary(const QString &fileName, const QString &version, QObject *parent = nullptr); |
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| 37 | ~QLibrary(); |
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| 38 | |
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| 39 | QFunctionPointer resolve(const char *symbol); |
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| 40 | static QFunctionPointer resolve(const QString &fileName, const char *symbol); |
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| 41 | static QFunctionPointer resolve(const QString &fileName, int verNum, const char *symbol); |
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| 42 | static QFunctionPointer resolve(const QString &fileName, const QString &version, const char *symbol); |
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| 43 | |
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| 44 | bool load(); |
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| 45 | bool unload(); |
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| 46 | bool isLoaded() const; |
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| 47 | |
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| 48 | static bool isLibrary(const QString &fileName); |
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| 49 | |
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| 50 | void setFileName(const QString &fileName); |
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| 51 | QString fileName() const; |
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| 52 | |
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| 53 | void setFileNameAndVersion(const QString &fileName, int verNum); |
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| 54 | void setFileNameAndVersion(const QString &fileName, const QString &version); |
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| 55 | QString errorString() const; |
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| 56 | |
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| 57 | void setLoadHints(LoadHints hints); |
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| 58 | LoadHints loadHints() const; |
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| 59 | |
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| 60 | private: |
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| 61 | enum LoadStatusTag { |
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| 62 | NotLoaded, |
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| 63 | Loaded |
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| 64 | }; |
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| 65 | |
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| 66 | QTaggedPointer<QLibraryPrivate, LoadStatusTag> d = nullptr; |
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| 67 | Q_DISABLE_COPY(QLibrary) |
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| 68 | }; |
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| 69 | |
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| 70 | Q_DECLARE_OPERATORS_FOR_FLAGS(QLibrary::LoadHints) |
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| 71 | |
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| 72 | QT_END_NAMESPACE |
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| 73 | |
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| 74 | #endif //QLIBRARY_H |
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| 75 | |
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