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q3membuf_p.h

/****************************************************************************
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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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"

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; }

#endif // Q3MEMBUF_P_H

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