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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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** This file is part of the QtXmlPatterns module of the Qt Toolkit.+
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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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** this package.+
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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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** In addition, as a special exception, Nokia gives you certain additional+
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** $QT_END_LICENSE$+
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****************************************************************************/+
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+
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/**+
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 * @file+
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 * @short This file is included by qstackcontextbase_p.h.+
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 * If you need includes in this file, put them in qstackcontextbase_p.h, outside of the namespace.+
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 */+
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+
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template<typename TSuperClass>+
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StackContextBase<TSuperClass>::StackContextBase() : m_rangeVariables(10),+
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                                                    m_expressionVariables(10),+
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                                                    m_positionIterators(5),+
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                                                    m_itemCacheCells(5),+
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                                                    m_itemSequenceCacheCells(5)+
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{+
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    /* The m_* containers are initialized with default sizes. Estimated guesses on usage patterns. */+
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}+
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+
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template<typename TSuperClass>+
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StackContextBase<TSuperClass>::StackContextBase(const DynamicContext::Ptr &prevContext)+
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                                                : TSuperClass(prevContext),+
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                                                  m_rangeVariables(10),+
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                                                  m_expressionVariables(10),+
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                                                  m_positionIterators(5),+
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                                                  m_itemCacheCells(5),+
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                                                  m_itemSequenceCacheCells(5)+
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{+
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    Q_ASSERT(prevContext);+
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}+
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+
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template<typename TSuperClass>+
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ItemCacheCell &StackContextBase<TSuperClass>::itemCacheCell(const VariableSlotID slot)+
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{+
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    if(slot >= m_itemCacheCells.size())+
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        m_itemCacheCells.resize(qMax(slot + 1, m_itemCacheCells.size()));+
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+
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    return m_itemCacheCells[slot];+
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}+
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+
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template<typename TSuperClass>+
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ItemSequenceCacheCell::Vector &StackContextBase<TSuperClass>::itemSequenceCacheCells(const VariableSlotID slot)+
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{+
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    if(slot >= m_itemSequenceCacheCells.size())+
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        m_itemSequenceCacheCells.resize(qMax(slot + 1, m_itemSequenceCacheCells.size()));+
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+
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    return m_itemSequenceCacheCells;+
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}+
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+
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template<typename TSuperClass>+
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Item StackContextBase<TSuperClass>::rangeVariable(const VariableSlotID slot) const+
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{+
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    Q_ASSERT(slot < m_rangeVariables.size());+
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    Q_ASSERT(m_rangeVariables.at(slot));+
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    return m_rangeVariables.at(slot);+
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}+
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+
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template<typename TSuperClass>+
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Expression::Ptr StackContextBase<TSuperClass>::expressionVariable(const VariableSlotID slot) const+
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{+
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    Q_ASSERT(slot < m_expressionVariables.size());+
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    Q_ASSERT(m_expressionVariables.at(slot));+
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    return m_expressionVariables.at(slot);+
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}+
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+
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template<typename TSuperClass>+
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Item::Iterator::Ptr StackContextBase<TSuperClass>::positionIterator(const VariableSlotID slot) const+
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{+
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    Q_ASSERT(slot < m_positionIterators.size());+
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    return m_positionIterators.at(slot);+
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}+
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+
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template<typename TSuperClass>+
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template<typename VectorType, typename UnitType>+
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inline+
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void StackContextBase<TSuperClass>::setSlotVariable(const VariableSlotID slot,+
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                                                    const UnitType &newValue,+
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                                                    VectorType &container) const+
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{+
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    if(slot < container.size())+
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        container.replace(slot, newValue);+
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    else+
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    {+
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        container.resize(slot + 1);+
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        container.replace(slot, newValue);+
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    }+
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}+
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+
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template<typename TSuperClass>+
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void StackContextBase<TSuperClass>::setRangeVariable(const VariableSlotID slot,+
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                                                     const Item &newValue)+
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{+
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    setSlotVariable(slot, newValue, m_rangeVariables);+
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}+
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+
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template<typename TSuperClass>+
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void StackContextBase<TSuperClass>::setExpressionVariable(const VariableSlotID slot,+
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                                                          const Expression::Ptr &newValue)+
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{+
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    setSlotVariable(slot, newValue, m_expressionVariables);+
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}+
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+
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template<typename TSuperClass>+
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void StackContextBase<TSuperClass>::setPositionIterator(const VariableSlotID slot,+
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                                                        const Item::Iterator::Ptr &newValue)+
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{+
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    setSlotVariable(slot, newValue, m_positionIterators);+
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}+
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+
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template<typename TSuperClass>+
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DynamicContext::TemplateParameterHash &StackContextBase<TSuperClass>::templateParameterStore()+
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{+
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    return m_templateParameterStore;+
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}+
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+
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