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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 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.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qanyuri_p.h"
#include "qbuiltintypes_p.h"
#include "qcommonsequencetypes_p.h"
#include "qpatternistlocale_p.h"
#include "private/qxmlutils_p.h"
#include "qcomputednamespaceconstructor_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
ComputedNamespaceConstructor::ComputedNamespaceConstructor(const Expression::Ptr &prefix,
const Expression::Ptr &namespaceURI) : PairContainer(prefix, namespaceURI)
{
}
void ComputedNamespaceConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const
{
const Item prefixItem(m_operand1->evaluateSingleton(context));
const QString prefix(prefixItem ? prefixItem.stringValue() : QString());
const Item namespaceItem(m_operand2->evaluateSingleton(context));
const QString namespaceURI(namespaceItem ? namespaceItem.stringValue() : QString());
if(namespaceURI.isEmpty())
{
context->error(QtXmlPatterns::tr("In a namespace constructor, the value for a namespace cannot be an empty string."),
ReportContext::XTDE0930,
this);
}
/* One optimization could be to store a pointer to
* the name pool as a member in order to avoid the virtual call(s). */
const NamePool::Ptr np(context->namePool());
if(!prefix.isEmpty() && !QXmlUtils::isNCName(prefix))
{
context->error(QtXmlPatterns::tr("The prefix must be a valid %1, which %2 is not.")
.arg(formatType(np, BuiltinTypes::xsNCName),
formatKeyword(prefix)),
ReportContext::XTDE0920,
this);
}
const QXmlName binding(np->allocateBinding(prefix, namespaceURI));
AnyURI::toQUrl<ReportContext::XTDE0905, DynamicContext::Ptr>(namespaceURI,
context,
this);
if(binding.prefix() == StandardPrefixes::xmlns)
{
context->error(QtXmlPatterns::tr("The prefix %1 cannot be bound.")
.arg(formatKeyword(prefix)),
ReportContext::XTDE0920,
this);
}
if((binding.prefix() == StandardPrefixes::xml && binding.namespaceURI() != StandardNamespaces::xml)
||
(binding.prefix() != StandardPrefixes::xml && binding.namespaceURI() == StandardNamespaces::xml))
{
context->error(QtXmlPatterns::tr("Only the prefix %1 can be bound to %2 and vice versa.")
.arg(formatKeyword(prefix), formatKeyword(namespaceURI)),
ReportContext::XTDE0925,
this);
}
context->outputReceiver()->namespaceBinding(binding);
}
SequenceType::Ptr ComputedNamespaceConstructor::staticType() const
{
return CommonSequenceTypes::ExactlyOneAttribute;
}
SequenceType::List ComputedNamespaceConstructor::expectedOperandTypes() const
{
SequenceType::List result;
result.append(CommonSequenceTypes::ZeroOrOneString);
result.append(CommonSequenceTypes::ZeroOrOneString);
return result;
}
Expression::Properties ComputedNamespaceConstructor::properties() const
{
return DisableElimination | IsNodeConstructor;
}
ExpressionVisitorResult::Ptr ComputedNamespaceConstructor::accept(const ExpressionVisitor::Ptr &visitor) const
{
return visitor->visit(this);
}
QT_END_NAMESPACE
|
