view release on metacpan or  search on metacpan

generator/parser/kdevvarlengtharray.h  view on Meta::CPAN

**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file.  Alternatively you may (at
** your option) use any later version of the GNU General Public
** License if such license has been publicly approved by Trolltech ASA
** (or its successors, if any) and the KDE Free Qt Foundation. In
** addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
** Exception version 1.2, which can be found at
** http://www.trolltech.com/products/qt/gplexception/ and in the file
** GPL_EXCEPTION.txt in this package.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/. If
** you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** In addition, as a special exception, Trolltech, as the sole
** copyright holder for Qt Designer, grants users of the Qt/Eclipse
** Integration plug-in the right for the Qt/Eclipse Integration to
** link to functionality provided by Qt Designer and its related
** libraries.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly
** granted herein.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef KDEVVARLENGTHARRAY_H
#define KDEVVARLENGTHARRAY_H

//#include <QtCore/qcontainerfwd.h>
#include <QtCore/QtGlobal>
#include <QtCore/QVector>
#include <new>

///Foreach macro that also works with QVarLengthArray or KDevVarLengthArray
///@warning Unlike the Qt foreach macro, this does not temporarily copy the array, which its size must not be changed while the iteration.
#define FOREACH_ARRAY(item, container) for(int a = 0, mustDo = 1; a < container.size(); ++a) if((mustDo == 0 || mustDo == 1) && (mustDo = 2)) for(item(container[a]); mustDo; mustDo = 0)

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Core)

//When this is uncommented, a QVector will be used instead of a variable-length array. This is useful for debugging, to find problems in KDevVarLengthArray
// #define FAKE_KDEVVARLENGTH_ARRAY

#ifdef FAKE_KDEVVARLENGTH_ARRAY
template<class T, int Prealloc = 256>
class KDevVarLengthArray : public QVector<T> {
    public:
    ///Inserts the given item at the given position, moving all items behind the position back
    void insert(const T& item, int position) {
    QVector<T>::insert(position, item);
    }

    // Removes exactly one occurrence of the given value from the array. Returns false if none was found.
    bool removeOne(const T& value) {
    int i = this->indexOf(value);
    if(i == -1)
    return false;
    erase(i);
    return true;
    }
    void erase(int pos) {
    this->remove(pos);
    }
    void append(const T& item) {
        QVector<T>::append(item);
    }
    
    void pop_back() {
        Q_ASSERT(!this->isEmpty());
        QVector<T>::pop_back();
    }
    
    void append(const T *buf, int size) {
    for(int a = 0; a < size; ++a)
        append(buf[a]);
    }
};
#else

template<class T, int Prealloc = 256>
class KDevVarLengthArray
{
public:
    inline explicit KDevVarLengthArray(int size = 0);

    inline KDevVarLengthArray(const KDevVarLengthArray<T, Prealloc> &other)
        : a(Prealloc), s(0), ptr(reinterpret_cast<T *>(array))
    {
        append(other.constData(), other.size());
    }

    inline ~KDevVarLengthArray() {
        if (QTypeInfo<T>::isComplex) {
            T *i = ptr + s;
            while (i-- > ptr)
                i->~T();
        }
        if (ptr != reinterpret_cast<T *>(array))
            qFree(ptr);
    }
    inline KDevVarLengthArray<T, Prealloc> &operator=(const KDevVarLengthArray<T, Prealloc> &other)