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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
/**
* @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))
{
// QHash::value breaks in Metrowerks Compiler
const ElementDescription<TokenLookupClass, LookupKey> &desc = *m_elementDescriptions.find(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.values() + desc.optionalAttributes.values());
const int totalCount = all.count();
QStringList allowed;
for(int i = 0; i < totalCount; ++i)
allowed.append(QPatternist::formatKeyword(TokenLookupClass::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 == 2)
{
/* 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(QPatternist::formatKeyword(TokenLookupClass::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();
}