/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the Qt3Support module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef Q3GARRAY_H+
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#define Q3GARRAY_H+
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+
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#include <Qt3Support/q3shared.h>+
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+
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QT_BEGIN_HEADER+
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+
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QT_BEGIN_NAMESPACE+
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+
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QT_MODULE(Qt3SupportLight)+
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+
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class Q_COMPAT_EXPORT Q3GArray					// generic array+
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{+
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    friend class QBuffer;+
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public:+
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    // do not use this, even though this is public+
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    struct array_data : public Q3Shared {	// shared array+
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	array_data():data(0),len(0)+
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#ifdef QT_QGARRAY_SPEED_OPTIM+
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		    ,maxl(0)+
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#endif+
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	    {}+
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	char *data;				// actual array data+
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	uint  len;+
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#ifdef QT_QGARRAY_SPEED_OPTIM+
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	uint maxl;+
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#endif+
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    };+
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    Q3GArray();+
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    enum Optimization { MemOptim, SpeedOptim };+
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protected:+
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    Q3GArray(int, int);			// dummy; does not alloc+
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    Q3GArray(int size);			// allocate 'size' bytes+
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    Q3GArray(const Q3GArray &a);		// shallow copy+
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    virtual ~Q3GArray();+
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+
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    Q3GArray    &operator=(const Q3GArray &a) { return assign(a); }+
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+
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    virtual void detach()	{ duplicate(*this); }+
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+
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    // ### Qt 4.0: maybe provide two versions of data(), at(), etc.+
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    char       *data()	 const	{ return shd->data; }+
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    uint	nrefs()	 const	{ return shd->count; }+
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    uint	size()	 const	{ return shd->len; }+
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    bool	isEqual(const Q3GArray &a) const;+
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+
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    bool	resize(uint newsize, Optimization optim);+
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    bool	resize(uint newsize);+
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+
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    bool	fill(const char *d, int len, uint sz);+
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+
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    Q3GArray    &assign(const Q3GArray &a);+
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    Q3GArray    &assign(const char *d, uint len);+
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    Q3GArray    &duplicate(const Q3GArray &a);+
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    Q3GArray    &duplicate(const char *d, uint len);+
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    void	store(const char *d, uint len);+
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+
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    array_data *sharedBlock()	const		{ return shd; }+
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    void	setSharedBlock(array_data *p) { shd=(array_data*)p; }+
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+
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    Q3GArray    &setRawData(const char *d, uint len);+
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    void	resetRawData(const char *d, uint len);+
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+
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    int		find(const char *d, uint index, uint sz) const;+
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    int		contains(const char *d, uint sz) const;+
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+
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    void	sort(uint sz);+
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    int		bsearch(const char *d, uint sz) const;+
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+
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    char       *at(uint index) const;+
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+
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    bool	setExpand(uint index, const char *d, uint sz);+
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+
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protected:+
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    virtual array_data *newData();+
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    virtual void deleteData(array_data *p);+
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+
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private:+
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    static void msg_index(uint);+
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    array_data *shd;+
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};+
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+
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+
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inline char *Q3GArray::at(uint index) const+
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{+
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#if defined(QT_CHECK_RANGE)+
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    if (index >= size()) {+
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	msg_index(index);+
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	index = 0;+
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    }+
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#endif+
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    return &shd->data[index];+
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}+
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+
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QT_END_NAMESPACE+
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+
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QT_END_HEADER+
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+
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#endif // Q3GARRAY_H+
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