src/qt/src/tools/qmemarray.h

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/****************************************************************************
** $Id: qt/qmemarray.h   3.3.8   edited Jan 11 14:38 $
**
** Definition of QMemArray template/macro class
**
** Created : 930906
**
** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech ASA of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************/

#ifndef QMEMARRAY_H
#define QMEMARRAY_H

#ifndef QT_H
#include "qgarray.h"
#endif // QT_H


template<class type>
class QMemArray : public QGArray
{
public:
    typedef type* Iterator;
    typedef const type* ConstIterator;
    typedef type ValueType;

protected:
    QMemArray( int, int ) : QGArray( 0, 0 ) {}

public:
    QMemArray() {}
    QMemArray( int size ) : QGArray(size*sizeof(type)) {} // ### 4.0 Q_EXPLICIT
    QMemArray( const QMemArray<type> &a ) : QGArray(a) {}
   ~QMemArray() {}
    QMemArray<type> &operator=(const QMemArray<type> &a)
                                { return (QMemArray<type>&)QGArray::assign(a); }
    type *data()    const       { return (type *)QGArray::data(); }
    uint  nrefs()   const       { return QGArray::nrefs(); }
    uint  size()    const       { return QGArray::size()/sizeof(type); }
    uint  count()   const       { return size(); }
    bool  isEmpty() const       { return QGArray::size() == 0; }
    bool  isNull()  const       { return QGArray::data() == 0; }
    bool  resize( uint size )   { return QGArray::resize(size*sizeof(type)); }
    bool  resize( uint size, Optimization optim ) { return QGArray::resize(size*sizeof(type), optim); }
    bool  truncate( uint pos )  { return QGArray::resize(pos*sizeof(type)); }
    bool  fill( const type &d, int size = -1 )
        { return QGArray::fill((char*)&d,size,sizeof(type) ); }
    void  detach()              { QGArray::detach(); }
    QMemArray<type>   copy() const
        { QMemArray<type> tmp; return tmp.duplicate(*this); }
    QMemArray<type>& assign( const QMemArray<type>& a )
        { return (QMemArray<type>&)QGArray::assign(a); }
    QMemArray<type>& assign( const type *a, uint n )
        { return (QMemArray<type>&)QGArray::assign((char*)a,n*sizeof(type)); }
    QMemArray<type>& duplicate( const QMemArray<type>& a )
        { return (QMemArray<type>&)QGArray::duplicate(a); }
    QMemArray<type>& duplicate( const type *a, uint n )
        { return (QMemArray<type>&)QGArray::duplicate((char*)a,n*sizeof(type)); }
    QMemArray<type>& setRawData( const type *a, uint n )
        { return (QMemArray<type>&)QGArray::setRawData((char*)a,
                                                     n*sizeof(type)); }
    void resetRawData( const type *a, uint n )
        { QGArray::resetRawData((char*)a,n*sizeof(type)); }
    int  find( const type &d, uint i=0 ) const
        { return QGArray::find((char*)&d,i,sizeof(type)); }
    int  contains( const type &d ) const
        { return QGArray::contains((char*)&d,sizeof(type)); }
    void sort() { QGArray::sort(sizeof(type)); }
    int  bsearch( const type &d ) const
        { return QGArray::bsearch((const char*)&d,sizeof(type)); }
    // ### Qt 4.0: maybe provide uint overload as work-around for MSVC bug
    type& operator[]( int i ) const
        { return (type &)(*(type *)QGArray::at(i*sizeof(type))); }
    type& at( uint i ) const
        { return (type &)(*(type *)QGArray::at(i*sizeof(type))); }
         operator const type*() const { return (const type *)QGArray::data(); }
    bool operator==( const QMemArray<type> &a ) const { return isEqual(a); }
    bool operator!=( const QMemArray<type> &a ) const { return !isEqual(a); }
    Iterator begin() { return data(); }
    Iterator end() { return data() + size(); }
    ConstIterator begin() const { return data(); }
    ConstIterator end() const { return data() + size(); }
};

#ifndef QT_NO_COMPAT
#define QArray QMemArray
#endif

#define Q_DEFINED_QMEMARRAY
#include "qwinexport.h"
#endif // QARRAY_H