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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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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