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Diffstat (limited to 'src/xmlpatterns/expr/qliteral.cpp')
-rw-r--r-- | src/xmlpatterns/expr/qliteral.cpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/xmlpatterns/expr/qliteral.cpp b/src/xmlpatterns/expr/qliteral.cpp new file mode 100644 index 0000000..2b1bdde --- /dev/null +++ b/src/xmlpatterns/expr/qliteral.cpp @@ -0,0 +1,114 @@ +/**************************************************************************** +** +** 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. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qboolean_p.h" +#include "qbuiltintypes_p.h" +#include "qcommonsequencetypes_p.h" +#include "qgenericsequencetype_p.h" + +#include "qliteral_p.h" + +QT_BEGIN_NAMESPACE + +using namespace QPatternist; + +Literal::Literal(const Item &i) : m_item(i) +{ + Q_ASSERT(m_item); + Q_ASSERT(m_item.isAtomicValue()); +} + +Item Literal::evaluateSingleton(const DynamicContext::Ptr &) const +{ + return m_item; +} + +bool Literal::evaluateEBV(const DynamicContext::Ptr &context) const +{ + return Boolean::evaluateEBV(m_item, context); +} + +void Literal::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const +{ + context->outputReceiver()->item(m_item); +} + +SequenceType::Ptr Literal::staticType() const +{ + return makeGenericSequenceType(m_item.type(), Cardinality::exactlyOne()); +} + +ExpressionVisitorResult::Ptr Literal::accept(const ExpressionVisitor::Ptr &visitor) const +{ + return visitor->visit(this); +} + +Expression::ID Literal::id() const +{ + Q_ASSERT(m_item); + Q_ASSERT(m_item.isAtomicValue()); + const ItemType::Ptr t(m_item.type()); + + if(BuiltinTypes::xsBoolean->xdtTypeMatches(t)) + return IDBooleanValue; + else if(BuiltinTypes::xsString->xdtTypeMatches(t) || + BuiltinTypes::xsAnyURI->xdtTypeMatches(t) || + BuiltinTypes::xsUntypedAtomic->xdtTypeMatches(t)) + { + return IDStringValue; + } + else if(BuiltinTypes::xsInteger->xdtTypeMatches(t)) + return IDIntegerValue; + else + return IDFloat; +} + +Expression::Properties Literal::properties() const +{ + return IsEvaluated; +} + +QString Literal::description() const +{ + return m_item.stringValue(); +} + +QT_END_NAMESPACE |