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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:

#ifndef QT_NO_QOBJECT

    void connectNotify(const char*);

    void disconnectNotify(const char*);

#endif

    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