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/****************************************************************************
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**
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** Copyright (C) 2009 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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**
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** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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**
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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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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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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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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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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 qcastingplatform_p.h.
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* If you need includes in this file, put them in CasttingPlatform.h,
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* outside of the namespace.
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*/
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template<typename TokenLookupClass,
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typename LookupKey>
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MaintainingReader<TokenLookupClass, LookupKey>::MaintainingReader(const typename ElementDescription<TokenLookupClass, LookupKey>::Hash &elementDescriptions,
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const QSet<typename TokenLookupClass::NodeName> &standardAttributes,
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const ReportContext::Ptr &context,
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QIODevice *const queryDevice) : QXmlStreamReader(queryDevice)
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, m_hasHandledStandardAttributes(false)
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, m_context(context)
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, m_elementDescriptions(elementDescriptions)
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, m_standardAttributes(standardAttributes)
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{
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Q_ASSERT(m_context);
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Q_ASSERT(!m_elementDescriptions.isEmpty());
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/* We start with stripping. */
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m_stripWhitespace.push(true);
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}
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template<typename TokenLookupClass,
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typename LookupKey>
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MaintainingReader<TokenLookupClass, LookupKey>::~MaintainingReader()
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{
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}
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template<typename TokenLookupClass,
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typename LookupKey>
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QSourceLocation MaintainingReader<TokenLookupClass, LookupKey>::currentLocation() const
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{
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return QSourceLocation(documentURI(),
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lineNumber(),
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columnNumber());
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}
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template<typename TokenLookupClass,
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typename LookupKey>
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QXmlStreamReader::TokenType MaintainingReader<TokenLookupClass, LookupKey>::readNext()
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{
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const TokenType retval = QXmlStreamReader::readNext();
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switch(retval)
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{
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case StartElement:
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{
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m_currentElementName = TokenLookupClass::toToken(name());
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m_currentAttributes = attributes();
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m_hasHandledStandardAttributes = false;
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if(!m_currentAttributes.hasAttribute(QLatin1String("xml:space")))
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m_stripWhitespace.push(m_stripWhitespace.top());
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break;
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}
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case EndElement:
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m_currentElementName = TokenLookupClass::toToken(name());
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m_stripWhitespace.pop();
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break;
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default:
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break;
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}
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return retval;
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}
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template<typename TokenLookupClass,
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typename LookupKey>
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bool MaintainingReader<TokenLookupClass, LookupKey>::isWhitespace() const
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{
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return QXmlStreamReader::isWhitespace()
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|| XPathHelper::isWhitespaceOnly(text());
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}
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template<typename TokenLookupClass,
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typename LookupKey>
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void MaintainingReader<TokenLookupClass, LookupKey>::error(const QString &message,
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const ReportContext::ErrorCode code) const
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{
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m_context->error(message, code, currentLocation());
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}
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template<typename TokenLookupClass,
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typename LookupKey>
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void MaintainingReader<TokenLookupClass, LookupKey>::warning(const QString &message) const
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{
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m_context->warning(message, currentLocation());
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}
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template<typename TokenLookupClass,
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typename LookupKey>
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typename TokenLookupClass::NodeName MaintainingReader<TokenLookupClass, LookupKey>::currentElementName() const
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{
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return m_currentElementName;
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}
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template<typename TokenLookupClass,
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typename LookupKey>
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void MaintainingReader<TokenLookupClass, LookupKey>::validateElement(const LookupKey elementName) const
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{
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Q_ASSERT(tokenType() == QXmlStreamReader::StartElement);
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if(m_elementDescriptions.contains(elementName))
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{
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// QHash::value breaks in Metrowerks Compiler
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const ElementDescription<TokenLookupClass, LookupKey> &desc = *m_elementDescriptions.find(elementName);
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const int attCount = m_currentAttributes.count();
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QSet<typename TokenLookupClass::NodeName> encounteredXSLTAtts;
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for(int i = 0; i < attCount; ++i)
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{
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const QXmlStreamAttribute &attr = m_currentAttributes.at(i);
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if(attr.namespaceUri().isEmpty())
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{
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const typename TokenLookupClass::NodeName attrName(TokenLookupClass::toToken(attr.name()));
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encounteredXSLTAtts.insert(attrName);
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if(!desc.requiredAttributes.contains(attrName) &&
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!desc.optionalAttributes.contains(attrName) &&
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!m_standardAttributes.contains(attrName) &&
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!isAnyAttributeAllowed())
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{
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QString translationString;
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QList<typename TokenLookupClass::NodeName> all(desc.requiredAttributes.toList() + desc.optionalAttributes.toList());
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const int totalCount = all.count();
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QStringList allowed;
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for(int i = 0; i < totalCount; ++i)
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allowed.append(QPatternist::formatKeyword(TokenLookupClass::toString(all.at(i))));
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/* Note, we can't run toString() on attrName, because we're in this branch,
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* the token lookup doesn't have the string(!).*/
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const QString stringedName(attr.name().toString());
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if(totalCount == 0)
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{
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translationString = QtXmlPatterns::tr("Attribute %1 cannot appear on the element %2. Only the standard attributes can appear.")
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.arg(formatKeyword(stringedName),
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formatKeyword(name()));
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}
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else if(totalCount == 1)
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{
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translationString = QtXmlPatterns::tr("Attribute %1 cannot appear on the element %2. Only %3 is allowed, and the standard attributes.")
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.arg(formatKeyword(stringedName),
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formatKeyword(name()),
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allowed.first());
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}
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else if(totalCount == 1)
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{
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/* Note, allowed has already had formatKeyword() applied. */
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translationString = QtXmlPatterns::tr("Attribute %1 cannot appear on the element %2. Allowed is %3, %4, and the standard attributes.")
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.arg(formatKeyword(stringedName),
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formatKeyword(name()),
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allowed.first(),
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allowed.last());
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}
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else
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{
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/* Note, allowed has already had formatKeyword() applied. */
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translationString = QtXmlPatterns::tr("Attribute %1 cannot appear on the element %2. Allowed is %3, and the standard attributes.")
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.arg(formatKeyword(stringedName),
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formatKeyword(name()),
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allowed.join(QLatin1String(", ")));
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}
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m_context->error(translationString,
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ReportContext::XTSE0090,
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currentLocation());
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}
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}
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else if(attr.namespaceUri() == namespaceUri())
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{
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m_context->error(QtXmlPatterns::tr("XSL-T attributes on XSL-T elements must be in the null namespace, not in the XSL-T namespace which %1 is.")
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.arg(formatKeyword(attr.name())),
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ReportContext::XTSE0090,
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currentLocation());
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}
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/* Else, attributes in other namespaces are allowed, continue. */
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}
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const QSet<typename TokenLookupClass::NodeName> requiredButMissing(QSet<typename TokenLookupClass::NodeName>(desc.requiredAttributes).subtract(encounteredXSLTAtts));
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if(!requiredButMissing.isEmpty())
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{
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error(QtXmlPatterns::tr("The attribute %1 must appear on element %2.")
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.arg(QPatternist::formatKeyword(TokenLookupClass::toString(*requiredButMissing.constBegin())),
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formatKeyword(name())),
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ReportContext::XTSE0010);
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}
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}
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else
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{
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error(QtXmlPatterns::tr("The element with local name %1 does not exist in XSL-T.").arg(formatKeyword(name())),
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ReportContext::XTSE0010);
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}
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}
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template<typename TokenLookupClass,
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typename LookupKey>
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bool MaintainingReader<TokenLookupClass, LookupKey>::hasAttribute(const QString &namespaceURI,
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const QString &localName) const
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{
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Q_ASSERT(tokenType() == QXmlStreamReader::StartElement);
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return m_currentAttributes.hasAttribute(namespaceURI, localName);
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}
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template<typename TokenLookupClass,
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typename LookupKey>
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bool MaintainingReader<TokenLookupClass, LookupKey>::hasAttribute(const QString &localName) const
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{
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return hasAttribute(QString(), localName);
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}
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template<typename TokenLookupClass,
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typename LookupKey>
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QString MaintainingReader<TokenLookupClass, LookupKey>::readAttribute(const QString &localName,
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const QString &namespaceURI) const
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{
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Q_ASSERT(tokenType() == QXmlStreamReader::StartElement);
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Q_ASSERT_X(m_currentAttributes.hasAttribute(namespaceURI, localName),
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Q_FUNC_INFO,
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"Validation must be done before this function is called.");
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return m_currentAttributes.value(namespaceURI, localName).toString();
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}
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