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Diffstat (limited to 'src/xmlpatterns/expr/qcomputednamespaceconstructor.cpp')
| -rw-r--r-- | src/xmlpatterns/expr/qcomputednamespaceconstructor.cpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/xmlpatterns/expr/qcomputednamespaceconstructor.cpp b/src/xmlpatterns/expr/qcomputednamespaceconstructor.cpp new file mode 100644 index 0000000..f782d04 --- /dev/null +++ b/src/xmlpatterns/expr/qcomputednamespaceconstructor.cpp @@ -0,0 +1,136 @@ +/**************************************************************************** +** +** 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 "qanyuri_p.h" +#include "qbuiltintypes_p.h" +#include "qcommonsequencetypes_p.h" +#include "qpatternistlocale_p.h" +#include "private/qxmlutils_p.h" + +#include "qcomputednamespaceconstructor_p.h" + +QT_BEGIN_NAMESPACE + +using namespace QPatternist; + +ComputedNamespaceConstructor::ComputedNamespaceConstructor(const Expression::Ptr &prefix, + const Expression::Ptr &namespaceURI) : PairContainer(prefix, namespaceURI) +{ +} + +void ComputedNamespaceConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const +{ + const Item prefixItem(m_operand1->evaluateSingleton(context)); + const QString prefix(prefixItem ? prefixItem.stringValue() : QString()); + + const Item namespaceItem(m_operand2->evaluateSingleton(context)); + const QString namespaceURI(namespaceItem ? namespaceItem.stringValue() : QString()); + + if(namespaceURI.isEmpty()) + { + context->error(QtXmlPatterns::tr("In a namespace constructor, the value for a namespace cannot be an empty string."), + ReportContext::XTDE0930, + this); + } + + /* One optimization could be to store a pointer to + * the name pool as a member in order to avoid the virtual call(s). */ + const NamePool::Ptr np(context->namePool()); + + if(!prefix.isEmpty() && !QXmlUtils::isNCName(prefix)) + { + context->error(QtXmlPatterns::tr("The prefix must be a valid %1, which %2 is not.") + .arg(formatType(np, BuiltinTypes::xsNCName), + formatKeyword(prefix)), + ReportContext::XTDE0920, + this); + } + const QXmlName binding(np->allocateBinding(prefix, namespaceURI)); + + AnyURI::toQUrl<ReportContext::XTDE0905, DynamicContext::Ptr>(namespaceURI, + context, + this); + + if(binding.prefix() == StandardPrefixes::xmlns) + { + context->error(QtXmlPatterns::tr("The prefix %1 cannot be bound.") + .arg(formatKeyword(prefix)), + ReportContext::XTDE0920, + this); + } + + if((binding.prefix() == StandardPrefixes::xml && binding.namespaceURI() != StandardNamespaces::xml) + || + (binding.prefix() != StandardPrefixes::xml && binding.namespaceURI() == StandardNamespaces::xml)) + { + context->error(QtXmlPatterns::tr("Only the prefix %1 can be bound to %2 and vice versa.") + .arg(formatKeyword(prefix), formatKeyword(namespaceURI)), + ReportContext::XTDE0925, + this); + } + + context->outputReceiver()->namespaceBinding(binding); +} + +SequenceType::Ptr ComputedNamespaceConstructor::staticType() const +{ + return CommonSequenceTypes::ExactlyOneAttribute; +} + +SequenceType::List ComputedNamespaceConstructor::expectedOperandTypes() const +{ + SequenceType::List result; + result.append(CommonSequenceTypes::ZeroOrOneString); + result.append(CommonSequenceTypes::ZeroOrOneString); + return result; +} + +Expression::Properties ComputedNamespaceConstructor::properties() const +{ + return DisableElimination | IsNodeConstructor; +} + +ExpressionVisitorResult::Ptr ComputedNamespaceConstructor::accept(const ExpressionVisitor::Ptr &visitor) const +{ + return visitor->visit(this); +} + +QT_END_NAMESPACE |