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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 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 the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef Q3GARRAY_H
#define Q3GARRAY_H
#include <Qt3Support/q3shared.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Qt3SupportLight)
class Q_COMPAT_EXPORT Q3GArray // generic array
{
friend class QBuffer;
public:
// do not use this, even though this is public
struct array_data : public Q3Shared { // shared array
array_data():data(0),len(0)
#ifdef QT_QGARRAY_SPEED_OPTIM
,maxl(0)
#endif
{}
char *data; // actual array data
uint len;
#ifdef QT_QGARRAY_SPEED_OPTIM
uint maxl;
#endif
};
Q3GArray();
enum Optimization { MemOptim, SpeedOptim };
protected:
Q3GArray(int, int); // dummy; does not alloc
Q3GArray(int size); // allocate 'size' bytes
Q3GArray(const Q3GArray &a); // shallow copy
virtual ~Q3GArray();
Q3GArray &operator=(const Q3GArray &a) { return assign(a); }
virtual void detach() { duplicate(*this); }
// ### Qt 4.0: maybe provide two versions of data(), at(), etc.
char *data() const { return shd->data; }
uint nrefs() const { return shd->count; }
uint size() const { return shd->len; }
bool isEqual(const Q3GArray &a) const;
bool resize(uint newsize, Optimization optim);
bool resize(uint newsize);
bool fill(const char *d, int len, uint sz);
Q3GArray &assign(const Q3GArray &a);
Q3GArray &assign(const char *d, uint len);
Q3GArray &duplicate(const Q3GArray &a);
Q3GArray &duplicate(const char *d, uint len);
void store(const char *d, uint len);
array_data *sharedBlock() const { return shd; }
void setSharedBlock(array_data *p) { shd=(array_data*)p; }
Q3GArray &setRawData(const char *d, uint len);
void resetRawData(const char *d, uint len);
int find(const char *d, uint index, uint sz) const;
int contains(const char *d, uint sz) const;
void sort(uint sz);
int bsearch(const char *d, uint sz) const;
char *at(uint index) const;
bool setExpand(uint index, const char *d, uint sz);
protected:
virtual array_data *newData();
virtual void deleteData(array_data *p);
private:
static void msg_index(uint);
array_data *shd;
};
inline char *Q3GArray::at(uint index) const
{
#if defined(QT_CHECK_RANGE)
if (index >= size()) {
msg_index(index);
index = 0;
}
#endif
return &shd->data[index];
}
QT_END_NAMESPACE
QT_END_HEADER
#endif // Q3GARRAY_H
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