| 1 | /**************************************************************************** | 
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| 2 | ** | 
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| 3 | ** Copyright (C) 2016 The Qt Company Ltd. | 
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| 4 | ** Contact: https://www.qt.io/licensing/ | 
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| 5 | ** | 
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| 6 | ** This file is part of the QtCore module of the Qt Toolkit. | 
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| 7 | ** | 
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| 8 | ** $QT_BEGIN_LICENSE:LGPL$ | 
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| 9 | ** Commercial License Usage | 
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| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
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| 11 | ** accordance with the commercial license agreement provided with the | 
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| 12 | ** Software or, alternatively, in accordance with the terms contained in | 
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| 13 | ** a written agreement between you and The Qt Company. For licensing terms | 
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| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further | 
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| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
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| 16 | ** | 
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| 17 | ** GNU Lesser General Public License Usage | 
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| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | 
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| 19 | ** General Public License version 3 as published by the Free Software | 
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| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the | 
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| 21 | ** packaging of this file. Please review the following information to | 
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| 22 | ** ensure the GNU Lesser General Public License version 3 requirements | 
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| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. | 
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| 24 | ** | 
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| 25 | ** GNU General Public License Usage | 
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| 26 | ** Alternatively, this file may be used under the terms of the GNU | 
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| 27 | ** General Public License version 2.0 or (at your option) the GNU General | 
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| 28 | ** Public license version 3 or any later version approved by the KDE Free | 
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| 29 | ** Qt Foundation. The licenses are as published by the Free Software | 
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| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 | 
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| 31 | ** included in the packaging of this file. Please review the following | 
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| 32 | ** information to ensure the GNU General Public License requirements will | 
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| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and | 
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| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. | 
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| 35 | ** | 
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| 36 | ** $QT_END_LICENSE$ | 
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| 37 | ** | 
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| 38 | ****************************************************************************/ | 
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| 39 |  | 
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| 40 | #ifndef QLIBRARY_H | 
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| 41 | #define QLIBRARY_H | 
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| 42 |  | 
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| 43 | #include <QtCore/qobject.h> | 
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| 44 |  | 
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| 45 | QT_REQUIRE_CONFIG(library); | 
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| 46 |  | 
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| 47 | QT_BEGIN_NAMESPACE | 
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| 48 |  | 
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| 49 | class QLibraryPrivate; | 
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| 50 |  | 
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| 51 | class Q_CORE_EXPORT QLibrary : public QObject | 
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| 52 | { | 
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| 53 | Q_OBJECT | 
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| 54 | Q_PROPERTY(QString fileName READ fileName WRITE setFileName) | 
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| 55 | Q_PROPERTY(LoadHints loadHints READ loadHints WRITE setLoadHints) | 
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| 56 | public: | 
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| 57 | enum LoadHint { | 
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| 58 | ResolveAllSymbolsHint = 0x01, | 
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| 59 | ExportExternalSymbolsHint = 0x02, | 
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| 60 | LoadArchiveMemberHint = 0x04, | 
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| 61 | PreventUnloadHint = 0x08, | 
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| 62 | DeepBindHint = 0x10 | 
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| 63 | }; | 
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| 64 | Q_DECLARE_FLAGS(LoadHints, LoadHint) | 
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| 65 | Q_FLAG(LoadHint) | 
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| 66 | Q_FLAG(LoadHints) | 
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| 67 |  | 
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| 68 | explicit QLibrary(QObject *parent = nullptr); | 
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| 69 | explicit QLibrary(const QString& fileName, QObject *parent = nullptr); | 
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| 70 | explicit QLibrary(const QString& fileName, int verNum, QObject *parent = nullptr); | 
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| 71 | explicit QLibrary(const QString& fileName, const QString &version, QObject *parent = nullptr); | 
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| 72 | ~QLibrary(); | 
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| 73 |  | 
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| 74 | QFunctionPointer resolve(const char *symbol); | 
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| 75 | static QFunctionPointer resolve(const QString &fileName, const char *symbol); | 
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| 76 | static QFunctionPointer resolve(const QString &fileName, int verNum, const char *symbol); | 
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| 77 | static QFunctionPointer resolve(const QString &fileName, const QString &version, const char *symbol); | 
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| 78 |  | 
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| 79 | bool load(); | 
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| 80 | bool unload(); | 
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| 81 | bool isLoaded() const; | 
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| 82 |  | 
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| 83 | static bool isLibrary(const QString &fileName); | 
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| 84 |  | 
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| 85 | void setFileName(const QString &fileName); | 
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| 86 | QString fileName() const; | 
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| 87 |  | 
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| 88 | void setFileNameAndVersion(const QString &fileName, int verNum); | 
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| 89 | void setFileNameAndVersion(const QString &fileName, const QString &version); | 
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| 90 | QString errorString() const; | 
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| 91 |  | 
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| 92 | void setLoadHints(LoadHints hints); | 
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| 93 | LoadHints loadHints() const; | 
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| 94 | private: | 
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| 95 | QLibraryPrivate *d; | 
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| 96 | bool did_load; | 
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| 97 | Q_DISABLE_COPY(QLibrary) | 
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| 98 | }; | 
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| 99 |  | 
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| 100 | Q_DECLARE_OPERATORS_FOR_FLAGS(QLibrary::LoadHints) | 
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| 101 |  | 
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| 102 | QT_END_NAMESPACE | 
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| 103 |  | 
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| 104 | #endif //QLIBRARY_H | 
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| 105 |  | 
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