/****************************************************************************
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** Public License version 3.0 as published by the Free Software Foundation
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****************************************************************************/

#ifndef Q3MEMBUF_P_H
#define Q3MEMBUF_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of a number of Qt sources files.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#include "QtCore/qbytearray.h"
#include "QtCore/qlist.h"

QT_BEGIN_NAMESPACE

class Q_COMPAT_EXPORT Q3Membuf
{
public:
    Q3Membuf();
    ~Q3Membuf();

    void append(QByteArray *ba);
    void clear();

    bool consumeBytes(Q_ULONG nbytes, char *sink);
    QByteArray readAll();
    bool scanNewline(QByteArray *store);
    bool canReadLine() const;

    int ungetch(int ch);

    qint64 size() const;

private:

    QList<QByteArray *> buf;
    qint64 _size;
    qint64 _index;
};

inline void Q3Membuf::append(QByteArray *ba)
{ buf.append(ba); _size += ba->size(); }

inline void Q3Membuf::clear()
{ qDeleteAll(buf); buf.clear(); _size=0; _index=0; }

inline QByteArray Q3Membuf::readAll()
{ QByteArray ba; ba.resize(_size); consumeBytes(_size,ba.data()); return ba; }

inline bool Q3Membuf::canReadLine() const
{ return const_cast<Q3Membuf*>(this)->scanNewline(0); }

inline qint64 Q3Membuf::size() const
{ return _size; }

QT_END_NAMESPACE

#endif // Q3MEMBUF_P_H