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/****************************************************************************
**
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
******************************************************************************/
#ifndef QLIBRARY_H
#define QLIBRARY_H
#include <QtCore/qobject.h>
#include <QtCore/qtaggedpointer.h>
QT_REQUIRE_CONFIG(library);
QT_BEGIN_NAMESPACE
class QLibraryPrivate;
class Q_CORE_EXPORT QLibrary : public QObject
{
Q_OBJECT
Q_PROPERTY(QString fileName READ fileName WRITE setFileName)
Q_PROPERTY(LoadHints loadHints READ loadHints WRITE setLoadHints)
public:
enum LoadHint {
ResolveAllSymbolsHint = 0x01,
ExportExternalSymbolsHint = 0x02,
LoadArchiveMemberHint = 0x04,
PreventUnloadHint = 0x08,
DeepBindHint = 0x10
};
Q_DECLARE_FLAGS(LoadHints, LoadHint)
Q_ENUM(LoadHint)
Q_FLAG(LoadHints)
explicit QLibrary(QObject *parent = nullptr);
explicit QLibrary(const QString &fileName, QObject *parent = nullptr);
explicit QLibrary(const QString &fileName, int verNum, QObject *parent = nullptr);
explicit QLibrary(const QString &fileName, const QString &version, QObject *parent = nullptr);
~QLibrary();
QFunctionPointer resolve(const char *symbol);
static QFunctionPointer resolve(const QString &fileName, const char *symbol);
static QFunctionPointer resolve(const QString &fileName, int verNum, const char *symbol);
static QFunctionPointer resolve(const QString &fileName, const QString &version, const char *symbol);
bool load();
bool unload();
bool isLoaded() const;
static bool isLibrary(const QString &fileName);
void setFileName(const QString &fileName);
QString fileName() const;
void setFileNameAndVersion(const QString &fileName, int verNum);
void setFileNameAndVersion(const QString &fileName, const QString &version);
QString errorString() const;
void setLoadHints(LoadHints hints);
LoadHints loadHints() const;
private:
enum LoadStatusTag {
NotLoaded,
Loaded
};
QTaggedPointer<QLibraryPrivate, LoadStatusTag> d = nullptr;
Q_DISABLE_COPY(QLibrary)
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QLibrary::LoadHints)
QT_END_NAMESPACE
#endif //QLIBRARY_H
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