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Diffstat (limited to 'src/xmlpatterns/environment/qstackcontextbase.cpp')
| -rw-r--r-- | src/xmlpatterns/environment/qstackcontextbase.cpp | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/src/xmlpatterns/environment/qstackcontextbase.cpp b/src/xmlpatterns/environment/qstackcontextbase.cpp new file mode 100644 index 0000000000..fbed9cd604 --- /dev/null +++ b/src/xmlpatterns/environment/qstackcontextbase.cpp @@ -0,0 +1,153 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtXmlPatterns module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/** + * @file + * @short This file is included by qstackcontextbase_p.h. + * If you need includes in this file, put them in qstackcontextbase_p.h, outside of the namespace. + */ + +template<typename TSuperClass> +StackContextBase<TSuperClass>::StackContextBase() : m_rangeVariables(10), + m_expressionVariables(10), + m_positionIterators(5), + m_itemCacheCells(5), + m_itemSequenceCacheCells(5) +{ + /* The m_* containers are initialized with default sizes. Estimated guesses on usage patterns. */ +} + +template<typename TSuperClass> +StackContextBase<TSuperClass>::StackContextBase(const DynamicContext::Ptr &prevContext) + : TSuperClass(prevContext), + m_rangeVariables(10), + m_expressionVariables(10), + m_positionIterators(5), + m_itemCacheCells(5), + m_itemSequenceCacheCells(5) +{ + Q_ASSERT(prevContext); +} + +template<typename TSuperClass> +ItemCacheCell &StackContextBase<TSuperClass>::itemCacheCell(const VariableSlotID slot) +{ + if(slot >= m_itemCacheCells.size()) + m_itemCacheCells.resize(qMax(slot + 1, m_itemCacheCells.size())); + + return m_itemCacheCells[slot]; +} + +template<typename TSuperClass> +ItemSequenceCacheCell::Vector &StackContextBase<TSuperClass>::itemSequenceCacheCells(const VariableSlotID slot) +{ + if(slot >= m_itemSequenceCacheCells.size()) + m_itemSequenceCacheCells.resize(qMax(slot + 1, m_itemSequenceCacheCells.size())); + + return m_itemSequenceCacheCells; +} + +template<typename TSuperClass> +Item StackContextBase<TSuperClass>::rangeVariable(const VariableSlotID slot) const +{ + Q_ASSERT(slot < m_rangeVariables.size()); + Q_ASSERT(m_rangeVariables.at(slot)); + return m_rangeVariables.at(slot); +} + +template<typename TSuperClass> +Expression::Ptr StackContextBase<TSuperClass>::expressionVariable(const VariableSlotID slot) const +{ + Q_ASSERT(slot < m_expressionVariables.size()); + Q_ASSERT(m_expressionVariables.at(slot)); + return m_expressionVariables.at(slot); +} + +template<typename TSuperClass> +Item::Iterator::Ptr StackContextBase<TSuperClass>::positionIterator(const VariableSlotID slot) const +{ + Q_ASSERT(slot < m_positionIterators.size()); + return m_positionIterators.at(slot); +} + +template<typename TSuperClass> +template<typename VectorType, typename UnitType> +inline +void StackContextBase<TSuperClass>::setSlotVariable(const VariableSlotID slot, + const UnitType &newValue, + VectorType &container) const +{ + if(slot < container.size()) + container.replace(slot, newValue); + else + { + container.resize(slot + 1); + container.replace(slot, newValue); + } +} + +template<typename TSuperClass> +void StackContextBase<TSuperClass>::setRangeVariable(const VariableSlotID slot, + const Item &newValue) +{ + setSlotVariable(slot, newValue, m_rangeVariables); +} + +template<typename TSuperClass> +void StackContextBase<TSuperClass>::setExpressionVariable(const VariableSlotID slot, + const Expression::Ptr &newValue) +{ + setSlotVariable(slot, newValue, m_expressionVariables); +} + +template<typename TSuperClass> +void StackContextBase<TSuperClass>::setPositionIterator(const VariableSlotID slot, + const Item::Iterator::Ptr &newValue) +{ + setSlotVariable(slot, newValue, m_positionIterators); +} + +template<typename TSuperClass> +DynamicContext::TemplateParameterHash &StackContextBase<TSuperClass>::templateParameterStore() +{ + return m_templateParameterStore; +} + |