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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:18:55 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:18:55 (GMT)
commite5fcad302d86d316390c6b0f62759a067313e8a9 (patch)
treec2afbf6f1066b6ce261f14341cf6d310e5595bc1 /src/xmlpatterns/parser/qmaintainingreader.cpp
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Long live Qt 4.5!
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diff --git a/src/xmlpatterns/parser/qmaintainingreader.cpp b/src/xmlpatterns/parser/qmaintainingreader.cpp
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+/****************************************************************************
+**
+** 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 qcastingplatform_p.h.
+ * If you need includes in this file, put them in CasttingPlatform.h,
+ * outside of the namespace.
+ */
+
+template<typename TokenLookupClass,
+ typename LookupKey>
+MaintainingReader<TokenLookupClass, LookupKey>::MaintainingReader(const typename ElementDescription<TokenLookupClass, LookupKey>::Hash &elementDescriptions,
+ const QSet<typename TokenLookupClass::NodeName> &standardAttributes,
+ const ReportContext::Ptr &context,
+ QIODevice *const queryDevice) : QXmlStreamReader(queryDevice)
+ , m_hasHandledStandardAttributes(false)
+ , m_context(context)
+ , m_elementDescriptions(elementDescriptions)
+ , m_standardAttributes(standardAttributes)
+{
+ Q_ASSERT(m_context);
+ Q_ASSERT(!m_elementDescriptions.isEmpty());
+
+ /* We start with stripping. */
+ m_stripWhitespace.push(true);
+}
+
+template<typename TokenLookupClass,
+ typename LookupKey>
+MaintainingReader<TokenLookupClass, LookupKey>::~MaintainingReader()
+{
+}
+
+template<typename TokenLookupClass,
+ typename LookupKey>
+QSourceLocation MaintainingReader<TokenLookupClass, LookupKey>::currentLocation() const
+{
+ return QSourceLocation(documentURI(),
+ lineNumber(),
+ columnNumber());
+}
+
+template<typename TokenLookupClass,
+ typename LookupKey>
+QXmlStreamReader::TokenType MaintainingReader<TokenLookupClass, LookupKey>::readNext()
+{
+ const TokenType retval = QXmlStreamReader::readNext();
+
+ switch(retval)
+ {
+ case StartElement:
+ {
+ m_currentElementName = TokenLookupClass::toToken(name());
+ m_currentAttributes = attributes();
+ m_hasHandledStandardAttributes = false;
+
+ if(!m_currentAttributes.hasAttribute(QLatin1String("xml:space")))
+ m_stripWhitespace.push(m_stripWhitespace.top());
+ break;
+ }
+ case EndElement:
+ m_currentElementName = TokenLookupClass::toToken(name());
+ m_stripWhitespace.pop();
+ break;
+ default:
+ break;
+ }
+
+ return retval;
+}
+
+template<typename TokenLookupClass,
+ typename LookupKey>
+bool MaintainingReader<TokenLookupClass, LookupKey>::isWhitespace() const
+{
+ return QXmlStreamReader::isWhitespace()
+ || XPathHelper::isWhitespaceOnly(text());
+}
+
+
+template<typename TokenLookupClass,
+ typename LookupKey>
+void MaintainingReader<TokenLookupClass, LookupKey>::error(const QString &message,
+ const ReportContext::ErrorCode code) const
+{
+ m_context->error(message, code, currentLocation());
+}
+
+template<typename TokenLookupClass,
+ typename LookupKey>
+void MaintainingReader<TokenLookupClass, LookupKey>::warning(const QString &message) const
+{
+ m_context->warning(message, currentLocation());
+}
+
+template<typename TokenLookupClass,
+ typename LookupKey>
+typename TokenLookupClass::NodeName MaintainingReader<TokenLookupClass, LookupKey>::currentElementName() const
+{
+ return m_currentElementName;
+}
+
+template<typename TokenLookupClass,
+ typename LookupKey>
+void MaintainingReader<TokenLookupClass, LookupKey>::validateElement(const LookupKey elementName) const
+{
+ Q_ASSERT(tokenType() == QXmlStreamReader::StartElement);
+
+ if(m_elementDescriptions.contains(elementName))
+ {
+ const ElementDescription<TokenLookupClass, LookupKey> &desc = m_elementDescriptions.value(elementName);
+ const int attCount = m_currentAttributes.count();
+
+ QSet<typename TokenLookupClass::NodeName> encounteredXSLTAtts;
+
+ for(int i = 0; i < attCount; ++i)
+ {
+ const QXmlStreamAttribute &attr = m_currentAttributes.at(i);
+ if(attr.namespaceUri().isEmpty())
+ {
+ const typename TokenLookupClass::NodeName attrName(TokenLookupClass::toToken(attr.name()));
+ encounteredXSLTAtts.insert(attrName);
+
+ if(!desc.requiredAttributes.contains(attrName) &&
+ !desc.optionalAttributes.contains(attrName) &&
+ !m_standardAttributes.contains(attrName) &&
+ !isAnyAttributeAllowed())
+ {
+ QString translationString;
+
+ QList<typename TokenLookupClass::NodeName> all(desc.requiredAttributes.toList() + desc.optionalAttributes.toList());
+ const int totalCount = all.count();
+ QStringList allowed;
+
+ for(int i = 0; i < totalCount; ++i)
+ allowed.append(formatKeyword(toString(all.at(i))));
+
+ /* Note, we can't run toString() on attrName, because we're in this branch,
+ * the token lookup doesn't have the string(!).*/
+ const QString stringedName(attr.name().toString());
+
+ if(totalCount == 0)
+ {
+ translationString = QtXmlPatterns::tr("Attribute %1 cannot appear on the element %2. Only the standard attributes can appear.")
+ .arg(formatKeyword(stringedName),
+ formatKeyword(name()));
+ }
+ else if(totalCount == 1)
+ {
+ translationString = QtXmlPatterns::tr("Attribute %1 cannot appear on the element %2. Only %3 is allowed, and the standard attributes.")
+ .arg(formatKeyword(stringedName),
+ formatKeyword(name()),
+ allowed.first());
+ }
+ else if(totalCount == 1)
+ {
+ /* Note, allowed has already had formatKeyword() applied. */
+ translationString = QtXmlPatterns::tr("Attribute %1 cannot appear on the element %2. Allowed is %3, %4, and the standard attributes.")
+ .arg(formatKeyword(stringedName),
+ formatKeyword(name()),
+ allowed.first(),
+ allowed.last());
+ }
+ else
+ {
+ /* Note, allowed has already had formatKeyword() applied. */
+ translationString = QtXmlPatterns::tr("Attribute %1 cannot appear on the element %2. Allowed is %3, and the standard attributes.")
+ .arg(formatKeyword(stringedName),
+ formatKeyword(name()),
+ allowed.join(QLatin1String(", ")));
+ }
+
+ m_context->error(translationString,
+ ReportContext::XTSE0090,
+ currentLocation());
+ }
+ }
+ else if(attr.namespaceUri() == namespaceUri())
+ {
+ 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.")
+ .arg(formatKeyword(attr.name())),
+ ReportContext::XTSE0090,
+ currentLocation());
+ }
+ /* Else, attributes in other namespaces are allowed, continue. */
+ }
+
+ const QSet<typename TokenLookupClass::NodeName> requiredButMissing(QSet<typename TokenLookupClass::NodeName>(desc.requiredAttributes).subtract(encounteredXSLTAtts));
+
+ if(!requiredButMissing.isEmpty())
+ {
+ error(QtXmlPatterns::tr("The attribute %1 must appear on element %2.")
+ .arg(formatKeyword(toString(*requiredButMissing.constBegin())),
+ formatKeyword(name())),
+ ReportContext::XTSE0010);
+ }
+ }
+ else
+ {
+ error(QtXmlPatterns::tr("The element with local name %1 does not exist in XSL-T.").arg(formatKeyword(name())),
+ ReportContext::XTSE0010);
+ }
+}
+
+template<typename TokenLookupClass,
+ typename LookupKey>
+bool MaintainingReader<TokenLookupClass, LookupKey>::hasAttribute(const QString &namespaceURI,
+ const QString &localName) const
+{
+ Q_ASSERT(tokenType() == QXmlStreamReader::StartElement);
+ return m_currentAttributes.hasAttribute(namespaceURI, localName);
+}
+
+template<typename TokenLookupClass,
+ typename LookupKey>
+bool MaintainingReader<TokenLookupClass, LookupKey>::hasAttribute(const QString &localName) const
+{
+ return hasAttribute(QString(), localName);
+}
+
+template<typename TokenLookupClass,
+ typename LookupKey>
+QString MaintainingReader<TokenLookupClass, LookupKey>::readAttribute(const QString &localName,
+ const QString &namespaceURI) const
+{
+ Q_ASSERT(tokenType() == QXmlStreamReader::StartElement);
+
+ Q_ASSERT_X(m_currentAttributes.hasAttribute(namespaceURI, localName),
+ Q_FUNC_INFO,
+ "Validation must be done before this function is called.");
+
+ return m_currentAttributes.value(namespaceURI, localName).toString();
+}
+