qbuffer.h
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- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtCore module of the Qt Toolkit.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 3.0 as published by the Free
- ** Software Foundation and appearing in the file LICENSE.GPL included in
- ** the packaging of this file. Please review the following information
- ** to ensure GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
- ** exception, Nokia gives you certain additional rights. These rights
- ** are described in the Nokia Qt GPL Exception version 1.3, included in
- ** the file GPL_EXCEPTION.txt in this package.
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- ** Qt for Windows(R) Licensees
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- ****************************************************************************/
- #ifndef QBUFFER_H
- #define QBUFFER_H
- #include <QtCore/qiodevice.h>
- #include <QtCore/qbytearray.h>
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Core)
- class QObject;
- class QBufferPrivate;
- class Q_CORE_EXPORT QBuffer : public QIODevice
- {
- #ifndef QT_NO_QOBJECT
- Q_OBJECT
- #endif
- public:
- #ifndef QT_NO_QOBJECT
- explicit QBuffer(QObject *parent = 0);
- QBuffer(QByteArray *buf, QObject *parent = 0);
- #else
- QBuffer();
- explicit QBuffer(QByteArray *buf);
- #endif
- ~QBuffer();
- QByteArray &buffer();
- const QByteArray &buffer() const;
- void setBuffer(QByteArray *a);
- void setData(const QByteArray &data);
- inline void setData(const char *data, int len);
- const QByteArray &data() const;
- bool open(OpenMode openMode);
- void close();
- qint64 size() const;
- qint64 pos() const;
- bool seek(qint64 off);
- bool atEnd() const;
- bool canReadLine() const;
- protected:
- qint64 readData(char *data, qint64 maxlen);
- qint64 writeData(const char *data, qint64 len);
- private:
- Q_DECLARE_PRIVATE(QBuffer)
- Q_DISABLE_COPY(QBuffer)
- Q_PRIVATE_SLOT(d_func(), void _q_emitSignals())
- };
- inline void QBuffer::setData(const char *adata, int alen)
- { setData(QByteArray(adata, alen)); }
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QBUFFER_H