1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
5 | ** |
6 | ** This file is part of the QtCore module of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | ** Commercial License Usage |
10 | ** Licensees holding valid commercial Qt licenses may use this file in |
11 | ** accordance with the commercial license agreement provided with the |
12 | ** Software or, alternatively, in accordance with the terms contained in |
13 | ** a written agreement between you and Digia. For licensing terms and |
14 | ** conditions see http://qt.digia.com/licensing. For further information |
15 | ** use the contact form at http://qt.digia.com/contact-us. |
16 | ** |
17 | ** GNU Lesser General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
19 | ** General Public License version 2.1 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL included in the |
21 | ** packaging of this file. Please review the following information to |
22 | ** ensure the GNU Lesser General Public License version 2.1 requirements |
23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
24 | ** |
25 | ** In addition, as a special exception, Digia gives you certain additional |
26 | ** rights. These rights are described in the Digia Qt LGPL Exception |
27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
28 | ** |
29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
31 | ** General Public License version 3.0 as published by the Free Software |
32 | ** Foundation and appearing in the file LICENSE.GPL included in the |
33 | ** packaging of this file. Please review the following information to |
34 | ** ensure the GNU General Public License version 3.0 requirements will be |
35 | ** met: http://www.gnu.org/copyleft/gpl.html. |
36 | ** |
37 | ** |
38 | ** $QT_END_LICENSE$ |
39 | ** |
40 | ****************************************************************************/ |
41 | |
42 | #ifndef QLIBRARY_H |
43 | #define QLIBRARY_H |
44 | |
45 | #include <QtCore/qobject.h> |
46 | |
47 | QT_BEGIN_HEADER |
48 | |
49 | QT_BEGIN_NAMESPACE |
50 | |
51 | QT_MODULE(Core) |
52 | |
53 | #if defined(QT_NO_LIBRARY) && defined(Q_OS_WIN) |
54 | #undef QT_NO_LIBRARY |
55 | #pragma message("QT_NO_LIBRARY is not supported on Windows") |
56 | #endif |
57 | |
58 | #ifndef QT_NO_LIBRARY |
59 | |
60 | class QLibraryPrivate; |
61 | |
62 | class Q_CORE_EXPORT QLibrary : public QObject |
63 | { |
64 | Q_OBJECT |
65 | Q_PROPERTY(QString fileName READ fileName WRITE setFileName) |
66 | Q_PROPERTY(LoadHints loadHints READ loadHints WRITE setLoadHints) |
67 | Q_FLAGS(LoadHint LoadHints) |
68 | public: |
69 | enum LoadHint { |
70 | ResolveAllSymbolsHint = 0x01, |
71 | ExportExternalSymbolsHint = 0x02, |
72 | LoadArchiveMemberHint = 0x04, |
73 | ImprovedSearchHeuristics = 0x08 |
74 | }; |
75 | Q_DECLARE_FLAGS(LoadHints, LoadHint) |
76 | |
77 | explicit QLibrary(QObject *parent = 0); |
78 | explicit QLibrary(const QString& fileName, QObject *parent = 0); |
79 | explicit QLibrary(const QString& fileName, int verNum, QObject *parent = 0); |
80 | explicit QLibrary(const QString& fileName, const QString &version, QObject *parent = 0); |
81 | ~QLibrary(); |
82 | |
83 | void *resolve(const char *symbol); |
84 | static void *resolve(const QString &fileName, const char *symbol); |
85 | static void *resolve(const QString &fileName, int verNum, const char *symbol); |
86 | static void *resolve(const QString &fileName, const QString &version, const char *symbol); |
87 | |
88 | bool load(); |
89 | bool unload(); |
90 | bool isLoaded() const; |
91 | |
92 | static bool isLibrary(const QString &fileName); |
93 | |
94 | void setFileName(const QString &fileName); |
95 | QString fileName() const; |
96 | |
97 | void setFileNameAndVersion(const QString &fileName, int verNum); |
98 | void setFileNameAndVersion(const QString &fileName, const QString &version); |
99 | QString errorString() const; |
100 | |
101 | void setLoadHints(LoadHints hints); |
102 | LoadHints loadHints() const; |
103 | #ifdef QT3_SUPPORT |
104 | inline QT3_SUPPORT QString library() const { return fileName(); } |
105 | inline QT3_SUPPORT void setAutoUnload( bool ) {} |
106 | #endif |
107 | private: |
108 | QLibraryPrivate *d; |
109 | bool did_load; |
110 | Q_DISABLE_COPY(QLibrary) |
111 | }; |
112 | |
113 | Q_DECLARE_OPERATORS_FOR_FLAGS(QLibrary::LoadHints) |
114 | |
115 | #endif //QT_NO_LIBRARY |
116 | |
117 | QT_END_NAMESPACE |
118 | |
119 | QT_END_HEADER |
120 | |
121 | #endif //QLIBRARY_H |
122 | |