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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://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
//
// 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.
#ifndef Patternist_NCNameConstructor_H
#define Patternist_NCNameConstructor_H
#include "qsinglecontainer_p.h"
#include "qpatternistlocale_p.h"
#include "private/qxmlutils_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Ensures the lexical space of the string value of the Item returned
* from its child Expression is an NCName.
*
* @note It doesn't actually construct an @c xs:NCName. It only ensures the lexical
* space is an @c NCName. The atomic value can be of any string type, such as @c xs:untypedAtomic
* of @c xs:string.
*
* @author Frans Englich <frans.englich@nokia.com>
* @ingroup Patternist_expressions
*/
class NCNameConstructor : public SingleContainer
{
public:
NCNameConstructor(const Expression::Ptr &source);
virtual Item evaluateSingleton(const DynamicContext::Ptr &) const;
virtual SequenceType::List expectedOperandTypes() const;
virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
const SequenceType::Ptr &reqType);
virtual SequenceType::Ptr staticType() const;
virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
/**
* Validates @p lexicalNCName as a processing instruction's target
* name, and raise an error if it's not an @c NCName.
*/
template<typename TReportContext,
const ReportContext::ErrorCode NameIsXML,
const ReportContext::ErrorCode LexicallyInvalid>
static inline
void validateTargetName(const QString &lexicalNCName,
const TReportContext &context,
const SourceLocationReflection *const r);
private:
/**
* This translation string is put here in order to avoid duplicate messages and
* hence reduce work for translators and increase consistency.
*/
static
const QString nameIsXML(const QString &lexTarget)
{
return QtXmlPatterns::tr("The target name in a processing instruction "
"cannot be %1 in any combination of upper "
"and lower case. Therefore, is %2 invalid.")
.arg(formatKeyword("xml"), formatKeyword(lexTarget));
}
};
template<typename TReportContext,
const ReportContext::ErrorCode NameIsXML,
const ReportContext::ErrorCode LexicallyInvalid>
inline
void NCNameConstructor::validateTargetName(const QString &lexicalTarget,
const TReportContext &context,
const SourceLocationReflection *const r)
{
Q_ASSERT(context);
if(QXmlUtils::isNCName(lexicalTarget))
{
if(QString::compare(QLatin1String("xml"), lexicalTarget, Qt::CaseInsensitive) == 0)
context->error(nameIsXML(lexicalTarget), NameIsXML, r);
}
else
{
context->error(QtXmlPatterns::tr("%1 is not a valid target name in "
"a processing instruction. It "
"must be a %2 value, e.g. %3.")
.arg(formatKeyword(lexicalTarget))
.arg(formatType(context->namePool(),
BuiltinTypes::xsNCName))
.arg(formatKeyword("my-name.123")),
LexicallyInvalid,
r);
}
}
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
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