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39
40#ifndef QLIBRARY_H
41#define QLIBRARY_H
42
43#include <QtCore/qobject.h>
44
45QT_REQUIRE_CONFIG(library);
46
47QT_BEGIN_NAMESPACE
48
49class QLibraryPrivate;
50
51class Q_CORE_EXPORT QLibrary : public QObject
52{
53 Q_OBJECT
54 Q_PROPERTY(QString fileName READ fileName WRITE setFileName)
55 Q_PROPERTY(LoadHints loadHints READ loadHints WRITE setLoadHints)
56public:
57 enum LoadHint {
58 ResolveAllSymbolsHint = 0x01,
59 ExportExternalSymbolsHint = 0x02,
60 LoadArchiveMemberHint = 0x04,
61 PreventUnloadHint = 0x08,
62 DeepBindHint = 0x10
63 };
64 Q_DECLARE_FLAGS(LoadHints, LoadHint)
65 Q_FLAG(LoadHint)
66 Q_FLAG(LoadHints)
67
68 explicit QLibrary(QObject *parent = nullptr);
69 explicit QLibrary(const QString& fileName, QObject *parent = nullptr);
70 explicit QLibrary(const QString& fileName, int verNum, QObject *parent = nullptr);
71 explicit QLibrary(const QString& fileName, const QString &version, QObject *parent = nullptr);
72 ~QLibrary();
73
74 QFunctionPointer resolve(const char *symbol);
75 static QFunctionPointer resolve(const QString &fileName, const char *symbol);
76 static QFunctionPointer resolve(const QString &fileName, int verNum, const char *symbol);
77 static QFunctionPointer resolve(const QString &fileName, const QString &version, const char *symbol);
78
79 bool load();
80 bool unload();
81 bool isLoaded() const;
82
83 static bool isLibrary(const QString &fileName);
84
85 void setFileName(const QString &fileName);
86 QString fileName() const;
87
88 void setFileNameAndVersion(const QString &fileName, int verNum);
89 void setFileNameAndVersion(const QString &fileName, const QString &version);
90 QString errorString() const;
91
92 void setLoadHints(LoadHints hints);
93 LoadHints loadHints() const;
94private:
95 QLibraryPrivate *d;
96 bool did_load;
97 Q_DISABLE_COPY(QLibrary)
98};
99
100Q_DECLARE_OPERATORS_FOR_FLAGS(QLibrary::LoadHints)
101
102QT_END_NAMESPACE
103
104#endif //QLIBRARY_H
105

source code of qtbase/src/corelib/plugin/qlibrary.h