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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** 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 Technology Preview License Agreement accompanying
** this package.
**
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qcommonvalues_p.h"
#include "qpatternistlocale_p.h"
#include "qschemanumeric_p.h"
#include "qatomicstring_p.h"
#include "qtocodepointsiterator_p.h"
#include "qassemblestringfns_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
/*
* Determines whether @p cp is a valid XML 1.0 character.
*
* @see <a href="http://www.w3.org/TR/REC-xml/#charsets">Extensible Markup
* Language (XML) 1.0 (Third Edition)2.2 Characters</a>
*/
static inline bool isValidXML10Char(const qint32 cp)
{
/* [2] Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] |
* [#xE000-#xFFFD] | [#x10000-#x10FFFF]
*/
return (cp == 0x9 ||
cp == 0xA ||
cp == 0xD ||
(0x20 <= cp && cp <= 0xD7FF) ||
(0xE000 <= cp && cp <= 0xFFFD) ||
(0x10000 <= cp && cp <= 0x10FFFF));
}
Item CodepointsToStringFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item::Iterator::Ptr it(m_operands.first()->evaluateSequence(context));
if(!it)
return CommonValues::EmptyString;
QString retval;
Item item(it->next());
while(item)
{
const qint32 cp = static_cast<qint32>(item.as<Numeric>()->toInteger());
if(!isValidXML10Char(cp))
{
context->error(QtXmlPatterns::tr("%1 is not a valid XML 1.0 character.")
.arg(formatData(QLatin1String("0x") +
QString::number(cp, 16))),
ReportContext::FOCH0001, this);
return CommonValues::EmptyString;
}
retval.append(QChar(cp));
item = it->next();
}
return AtomicString::fromValue(retval);
}
Item::Iterator::Ptr StringToCodepointsFN::evaluateSequence(const DynamicContext::Ptr &context) const
{
const Item item(m_operands.first()->evaluateSingleton(context));
if(!item)
return CommonValues::emptyIterator;
const QString str(item.stringValue());
if(str.isEmpty())
return CommonValues::emptyIterator;
else
return Item::Iterator::Ptr(new ToCodepointsIterator(str));
}
QT_END_NAMESPACE
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