Add Qt libs and headers

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

@@ -0,0 +1,77 @@
+// 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 QTEXTBOUNDARYFINDER_H
+#define QTEXTBOUNDARYFINDER_H
+
+#include <QtCore/qchar.h>
+#include <QtCore/qstring.h>
+
+QT_BEGIN_NAMESPACE
+
+
+struct QCharAttributes;
+
+class Q_CORE_EXPORT QTextBoundaryFinder
+{
+public:
+    QTextBoundaryFinder();
+    QTextBoundaryFinder(const QTextBoundaryFinder &other);
+    QTextBoundaryFinder &operator=(const QTextBoundaryFinder &other);
+    ~QTextBoundaryFinder();
+
+    enum BoundaryType {
+        Grapheme,
+        Word,
+        Sentence,
+        Line
+    };
+
+    enum BoundaryReason {
+        NotAtBoundary = 0,
+        BreakOpportunity = 0x1f,
+        StartOfItem = 0x20,
+        EndOfItem = 0x40,
+        MandatoryBreak = 0x80,
+        SoftHyphen = 0x100
+    };
+    Q_DECLARE_FLAGS( BoundaryReasons, BoundaryReason )
+
+    QTextBoundaryFinder(BoundaryType type, const QString &string);
+    QTextBoundaryFinder(BoundaryType type, const QChar *chars, qsizetype length, unsigned char *buffer = nullptr, qsizetype bufferSize = 0)
+        : QTextBoundaryFinder(type, QStringView(chars, length), buffer, bufferSize)
+    {}
+    QTextBoundaryFinder(BoundaryType type, QStringView str, unsigned char *buffer = nullptr, qsizetype bufferSize = 0);
+
+    inline bool isValid() const { return attributes; }
+
+    inline BoundaryType type() const { return t; }
+    QString string() const;
+
+    void toStart();
+    void toEnd();
+    qsizetype position() const;
+    void setPosition(qsizetype position);
+
+    qsizetype toNextBoundary();
+    qsizetype toPreviousBoundary();
+
+    bool isAtBoundary() const;
+    BoundaryReasons boundaryReasons() const;
+
+private:
+    BoundaryType t = Grapheme;
+    QString s;
+    QStringView sv;
+    qsizetype pos;
+    uint freeBuffer : 1;
+    uint unused : 31;
+    QCharAttributes *attributes = nullptr;
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS(QTextBoundaryFinder::BoundaryReasons)
+
+QT_END_NAMESPACE
+
+#endif
+