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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. |
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8 | ** $QT_BEGIN_LICENSE:LGPL$ |
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15 | ** use the contact form at http://qt.digia.com/contact-us. |
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17 | ** GNU Lesser General Public License Usage |
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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 |
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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 |
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33 | ** packaging of this file. Please review the following information to |
34 | ** ensure the GNU General Public License version 3.0 requirements will be |
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36 | ** |
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38 | ** $QT_END_LICENSE$ |
39 | ** |
40 | ****************************************************************************/ |
41 | |
42 | #ifndef QLIBRARY_P_H |
43 | #define QLIBRARY_P_H |
44 | |
45 | // |
46 | // W A R N I N G |
47 | // ------------- |
48 | // |
49 | // This file is not part of the Qt API. It exists for the convenience |
50 | // of the QLibrary class. This header file may change from |
51 | // version to version without notice, or even be removed. |
52 | // |
53 | // We mean it. |
54 | // |
55 | |
56 | #ifdef Q_WS_WIN |
57 | # include "QtCore/qt_windows.h" |
58 | #endif |
59 | #include "QtCore/qlibrary.h" |
60 | #include "QtCore/qpointer.h" |
61 | #include "QtCore/qstringlist.h" |
62 | #include "QtCore/qplugin.h" |
63 | #include "QtCore/qsharedpointer.h" |
64 | |
65 | #ifndef QT_NO_LIBRARY |
66 | |
67 | QT_BEGIN_NAMESPACE |
68 | |
69 | bool qt_debug_component(); |
70 | |
71 | class QSettings; |
72 | class QLibraryPrivate |
73 | { |
74 | public: |
75 | |
76 | #ifdef Q_WS_WIN |
77 | HINSTANCE |
78 | #else |
79 | void * |
80 | #endif |
81 | pHnd; |
82 | |
83 | QString fileName, qualifiedFileName; |
84 | QString fullVersion; |
85 | |
86 | bool load(); |
87 | bool loadPlugin(); // loads and resolves instance |
88 | bool unload(); |
89 | void release(); |
90 | void *resolve(const char *); |
91 | |
92 | static QLibraryPrivate *findOrCreate(const QString &fileName, const QString &version = QString()); |
93 | |
94 | QWeakPointer<QObject> inst; |
95 | QtPluginInstanceFunction instance; |
96 | uint qt_version; |
97 | QString lastModified; |
98 | |
99 | QString errorString; |
100 | QLibrary::LoadHints loadHints; |
101 | |
102 | bool isPlugin(QSettings *settings = 0); |
103 | |
104 | |
105 | private: |
106 | explicit QLibraryPrivate(const QString &canonicalFileName, const QString &version); |
107 | ~QLibraryPrivate(); |
108 | |
109 | bool load_sys(); |
110 | bool unload_sys(); |
111 | void *resolve_sys(const char *); |
112 | |
113 | QAtomicInt libraryRefCount; |
114 | QAtomicInt libraryUnloadCount; |
115 | |
116 | enum {IsAPlugin, IsNotAPlugin, MightBeAPlugin } pluginState; |
117 | friend class QLibraryPrivateHasFriends; |
118 | }; |
119 | |
120 | QT_END_NAMESPACE |
121 | |
122 | #endif // QT_NO_LIBRARY |
123 | |
124 | #endif // QLIBRARY_P_H |
125 | |