Add Qt libs and headers

paho-mqtt3as-proxy/Qt/include/QtCore/qlibrary.h

@@ -0,0 +1,74 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#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