| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
|---|
| 3 | |
|---|
| 4 | #ifndef QBUFFER_H |
|---|
| 5 | #define QBUFFER_H |
|---|
| 6 | |
|---|
| 7 | #include <QtCore/qiodevice.h> |
|---|
| 8 | #include <QtCore/qbytearray.h> |
|---|
| 9 | |
|---|
| 10 | QT_BEGIN_NAMESPACE |
|---|
| 11 | |
|---|
| 12 | class QObject; |
|---|
| 13 | class QBufferPrivate; |
|---|
| 14 | |
|---|
| 15 | class Q_CORE_EXPORT QBuffer : public QIODevice |
|---|
| 16 | { |
|---|
| 17 | #ifndef QT_NO_QOBJECT |
|---|
| 18 | Q_OBJECT |
|---|
| 19 | #endif |
|---|
| 20 | |
|---|
| 21 | public: |
|---|
| 22 | #ifndef QT_NO_QOBJECT |
|---|
| 23 | explicit QBuffer(QObject *parent = nullptr); |
|---|
| 24 | QBuffer(QByteArray *buf, QObject *parent = nullptr); |
|---|
| 25 | #else |
|---|
| 26 | QBuffer(); |
|---|
| 27 | explicit QBuffer(QByteArray *buf); |
|---|
| 28 | #endif |
|---|
| 29 | ~QBuffer(); |
|---|
| 30 | |
|---|
| 31 | QByteArray &buffer(); |
|---|
| 32 | const QByteArray &buffer() const; |
|---|
| 33 | void setBuffer(QByteArray *a); |
|---|
| 34 | |
|---|
| 35 | void setData(const QByteArray &data); |
|---|
| 36 | #if QT_CORE_REMOVED_SINCE(6, 5) && QT_POINTER_SIZE != 4 |
|---|
| 37 | void setData(const char *data, int len) { setData(data, qsizetype(len)); } |
|---|
| 38 | #endif |
|---|
| 39 | void setData(const char *data, qsizetype len); |
|---|
| 40 | const QByteArray &data() const; |
|---|
| 41 | |
|---|
| 42 | bool open(OpenMode openMode) override; |
|---|
| 43 | |
|---|
| 44 | void close() override; |
|---|
| 45 | qint64 size() const override; |
|---|
| 46 | qint64 pos() const override; |
|---|
| 47 | bool seek(qint64 off) override; |
|---|
| 48 | bool atEnd() const override; |
|---|
| 49 | bool canReadLine() const override; |
|---|
| 50 | |
|---|
| 51 | protected: |
|---|
| 52 | #ifndef QT_NO_QOBJECT |
|---|
| 53 | void connectNotify(const QMetaMethod &) override; |
|---|
| 54 | void disconnectNotify(const QMetaMethod &) override; |
|---|
| 55 | #endif |
|---|
| 56 | qint64 readData(char *data, qint64 maxlen) override; |
|---|
| 57 | qint64 writeData(const char *data, qint64 len) override; |
|---|
| 58 | |
|---|
| 59 | private: |
|---|
| 60 | Q_DECLARE_PRIVATE(QBuffer) |
|---|
| 61 | Q_DISABLE_COPY(QBuffer) |
|---|
| 62 | |
|---|
| 63 | Q_PRIVATE_SLOT(d_func(), void _q_emitSignals()) |
|---|
| 64 | }; |
|---|
| 65 | |
|---|
| 66 | QT_END_NAMESPACE |
|---|
| 67 | |
|---|
| 68 | #endif // QBUFFER_H |
|---|
| 69 | |
|---|
