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Diffstat (limited to 'src/qml/qml/ftw/qfieldlist_p.h')
| -rw-r--r-- | src/qml/qml/ftw/qfieldlist_p.h | 426 |
1 files changed, 426 insertions, 0 deletions
diff --git a/src/qml/qml/ftw/qfieldlist_p.h b/src/qml/qml/ftw/qfieldlist_p.h new file mode 100644 index 0000000000..da5074b3cd --- /dev/null +++ b/src/qml/qml/ftw/qfieldlist_p.h @@ -0,0 +1,426 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtQml module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** 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 1.1, 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. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QFIELDLIST_P_H +#define QFIELDLIST_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <QtCore/qglobal.h> + +#include <private/qflagpointer_p.h> + +// QForwardFieldList is a super simple linked list that can only prepend +template<class N, N *N::*nextMember> +class QForwardFieldList +{ +public: + inline QForwardFieldList(); + inline N *first() const; + inline N *takeFirst(); + + inline void prepend(N *); + + inline bool isEmpty() const; + inline bool isOne() const; + inline bool isMany() const; + + static inline N *next(N *v); + + inline bool flag() const; + inline void setFlag(); + inline void clearFlag(); + inline void setFlagValue(bool); + + inline bool flag2() const; + inline void setFlag2(); + inline void clearFlag2(); + inline void setFlag2Value(bool); +private: + QFlagPointer<N> _first; +}; + +// QFieldList is a simple linked list, that can append and prepend and also +// maintains a count +template<class N, N *N::*nextMember> +class QFieldList +{ +public: + inline QFieldList(); + inline N *first() const; + inline N *takeFirst(); + + inline void append(N *); + inline void prepend(N *); + + inline bool isEmpty() const; + inline bool isOne() const; + inline bool isMany() const; + inline int count() const; + + inline void append(QFieldList<N, nextMember> &); + inline void prepend(QFieldList<N, nextMember> &); + inline void insertAfter(N *, QFieldList<N, nextMember> &); + + inline void copyAndClear(QFieldList<N, nextMember> &); + inline void copyAndClearAppend(QForwardFieldList<N, nextMember> &); + inline void copyAndClearPrepend(QForwardFieldList<N, nextMember> &); + + static inline N *next(N *v); + + inline bool flag() const; + inline void setFlag(); + inline void clearFlag(); + inline void setFlagValue(bool); +private: + N *_first; + N *_last; + quint32 _flag:1; + quint32 _count:31; +}; + +template<class N, N *N::*nextMember> +QForwardFieldList<N, nextMember>::QForwardFieldList() +{ +} + +template<class N, N *N::*nextMember> +N *QForwardFieldList<N, nextMember>::first() const +{ + return *_first; +} + +template<class N, N *N::*nextMember> +N *QForwardFieldList<N, nextMember>::takeFirst() +{ + N *value = *_first; + if (value) { + _first = next(value); + value->*nextMember = 0; + } + return value; +} + +template<class N, N *N::*nextMember> +void QForwardFieldList<N, nextMember>::prepend(N *v) +{ + Q_ASSERT(v->*nextMember == 0); + v->*nextMember = *_first; + _first = v; +} + +template<class N, N *N::*nextMember> +bool QForwardFieldList<N, nextMember>::isEmpty() const +{ + return _first.isNull(); +} + +template<class N, N *N::*nextMember> +bool QForwardFieldList<N, nextMember>::isOne() const +{ + return *_first && _first->*nextMember == 0; +} + +template<class N, N *N::*nextMember> +bool QForwardFieldList<N, nextMember>::isMany() const +{ + return *_first && _first->*nextMember != 0; +} + +template<class N, N *N::*nextMember> +N *QForwardFieldList<N, nextMember>::next(N *v) +{ + Q_ASSERT(v); + return v->*nextMember; +} + +template<class N, N *N::*nextMember> +bool QForwardFieldList<N, nextMember>::flag() const +{ + return _first.flag(); +} + +template<class N, N *N::*nextMember> +void QForwardFieldList<N, nextMember>::setFlag() +{ + _first.setFlag(); +} + +template<class N, N *N::*nextMember> +void QForwardFieldList<N, nextMember>::clearFlag() +{ + _first.clearFlag(); +} + +template<class N, N *N::*nextMember> +void QForwardFieldList<N, nextMember>::setFlagValue(bool v) +{ + _first.setFlagValue(v); +} + +template<class N, N *N::*nextMember> +bool QForwardFieldList<N, nextMember>::flag2() const +{ + return _first.flag2(); +} + +template<class N, N *N::*nextMember> +void QForwardFieldList<N, nextMember>::setFlag2() +{ + _first.setFlag2(); +} + +template<class N, N *N::*nextMember> +void QForwardFieldList<N, nextMember>::clearFlag2() +{ + _first.clearFlag2(); +} + +template<class N, N *N::*nextMember> +void QForwardFieldList<N, nextMember>::setFlag2Value(bool v) +{ + _first.setFlag2Value(v); +} + +template<class N, N *N::*nextMember> +QFieldList<N, nextMember>::QFieldList() +: _first(0), _last(0), _flag(0), _count(0) +{ +} + +template<class N, N *N::*nextMember> +N *QFieldList<N, nextMember>::first() const +{ + return _first; +} + +template<class N, N *N::*nextMember> +N *QFieldList<N, nextMember>::takeFirst() +{ + N *value = _first; + if (value) { + _first = next(value); + if (_last == value) { + Q_ASSERT(_first == 0); + _last = 0; + } + value->*nextMember = 0; + --_count; + } + return value; +} + +template<class N, N *N::*nextMember> +void QFieldList<N, nextMember>::append(N *v) +{ + Q_ASSERT(v->*nextMember == 0); + if (isEmpty()) { + _first = v; + _last = v; + } else { + _last->*nextMember = v; + _last = v; + } + ++_count; +} + +template<class N, N *N::*nextMember> +void QFieldList<N, nextMember>::prepend(N *v) +{ + Q_ASSERT(v->*nextMember == 0); + if (isEmpty()) { + _first = v; + _last = v; + } else { + v->*nextMember = _first; + _first = v; + } + ++_count; +} + +template<class N, N *N::*nextMember> +bool QFieldList<N, nextMember>::isEmpty() const +{ + return _count == 0; +} + +template<class N, N *N::*nextMember> +bool QFieldList<N, nextMember>::isOne() const +{ + return _count == 1; +} + +template<class N, N *N::*nextMember> +bool QFieldList<N, nextMember>::isMany() const +{ + return _count > 1; +} + +template<class N, N *N::*nextMember> +int QFieldList<N, nextMember>::count() const +{ + return _count; +} + +template<class N, N *N::*nextMember> +N *QFieldList<N, nextMember>::next(N *v) +{ + Q_ASSERT(v); + return v->*nextMember; +} + +template<class N, N *N::*nextMember> +void QFieldList<N, nextMember>::append(QFieldList<N, nextMember> &o) +{ + if (!o.isEmpty()) { + if (isEmpty()) { + _first = o._first; + _last = o._last; + _count = o._count; + } else { + _last->*nextMember = o._first; + _last = o._last; + _count += o._count; + } + o._first = o._last = 0; o._count = 0; + } +} + +template<class N, N *N::*nextMember> +void QFieldList<N, nextMember>::prepend(QFieldList<N, nextMember> &o) +{ + if (!o.isEmpty()) { + if (isEmpty()) { + _first = o._first; + _last = o._last; + _count = o._count; + } else { + o._last->*nextMember = _first; + _first = o._first; + _count += o._count; + } + o._first = o._last = 0; o._count = 0; + } +} + +template<class N, N *N::*nextMember> +void QFieldList<N, nextMember>::insertAfter(N *after, QFieldList<N, nextMember> &o) +{ + if (after == 0) { + prepend(o); + } else if (after == _last) { + append(o); + } else if (!o.isEmpty()) { + if (isEmpty()) { + _first = o._first; + _last = o._last; + _count = o._count; + } else { + o._last->*nextMember = after->*nextMember; + after->*nextMember = o._first; + _count += o._count; + } + o._first = o._last = 0; o._count = 0; + } +} + +template<class N, N *N::*nextMember> +void QFieldList<N, nextMember>::copyAndClear(QFieldList<N, nextMember> &o) +{ + _first = o._first; + _last = o._last; + _count = o._count; + o._first = o._last = 0; + o._count = 0; +} + +template<class N, N *N::*nextMember> +void QFieldList<N, nextMember>::copyAndClearAppend(QForwardFieldList<N, nextMember> &o) +{ + _first = 0; + _last = 0; + _count = 0; + while (N *n = o.takeFirst()) append(n); +} + +template<class N, N *N::*nextMember> +void QFieldList<N, nextMember>::copyAndClearPrepend(QForwardFieldList<N, nextMember> &o) +{ + _first = 0; + _last = 0; + _count = 0; + while (N *n = o.takeFirst()) prepend(n); +} + +template<class N, N *N::*nextMember> +bool QFieldList<N, nextMember>::flag() const +{ + return _flag; +} + +template<class N, N *N::*nextMember> +void QFieldList<N, nextMember>::setFlag() +{ + _flag = true; +} + +template<class N, N *N::*nextMember> +void QFieldList<N, nextMember>::clearFlag() +{ + _flag = false; +} + +template<class N, N *N::*nextMember> +void QFieldList<N, nextMember>::setFlagValue(bool v) +{ + _flag = v; +} + +#endif // QFIELDLIST_P_H |