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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (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 http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
/**
* @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();
}
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