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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 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 "qanyuri_p.h"
#include "qbuiltintypes_p.h"
#include "qcommonvalues_p.h"
#include "qpatternistlocale_p.h"
#include "qnodenamespaceresolver_p.h"
#include "qqnameconstructor_p.h"
#include "qqnamevalue_p.h"
#include "qatomicstring_p.h"
#include "qxpathhelper_p.h"
#include "qqnamefns_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
Item QNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item paramURI(m_operands.first()->evaluateSingleton(context));
const QString paramQName(m_operands.last()->evaluateSingleton(context).stringValue());
QString ns;
if(paramURI)
ns = paramURI.stringValue();
if(!XPathHelper::isQName(paramQName))
{
context->error(QtXmlPatterns::tr("%1 is an invalid %2").arg(formatData(paramQName),
formatType(context->namePool(), BuiltinTypes::xsQName)),
ReportContext::FOCA0002, this);
return Item();
}
QString prefix;
QString lname;
XPathHelper::splitQName(paramQName, prefix, lname);
const QXmlName n(context->namePool()->allocateQName(ns, lname, prefix));
if(ns.isEmpty())
{
if(prefix.isEmpty())
return toItem(QNameValue::fromValue(context->namePool(), n));
else
{
context->error(QtXmlPatterns::tr(
"If the first argument is the empty sequence or "
"a zero-length string (no namespace), a prefix "
"cannot be specified. Prefix %1 was specified.")
.arg(formatKeyword(prefix)),
ReportContext::FOCA0002, this);
return Item(); /* Silence compiler warning. */
}
}
else
return toItem(QNameValue::fromValue(context->namePool(), n));
}
Item ResolveQNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item itemName(m_operands.first()->evaluateSingleton(context));
if(!itemName)
return Item();
const NamespaceResolver::Ptr resolver(new NodeNamespaceResolver(m_operands.last()->evaluateSingleton(context)));
const QString strName(itemName.stringValue());
const QXmlName name = QNameConstructor::expandQName<DynamicContext::Ptr,
ReportContext::FOCA0002,
ReportContext::FONS0004>(strName,
context,
resolver,
this);
return toItem(QNameValue::fromValue(context->namePool(), name));
}
Item PrefixFromQNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const QNameValue::Ptr arg(m_operands.first()->evaluateSingleton(context).as<QNameValue>());
if(!arg)
return Item();
const QString prefix(context->namePool()->stringForPrefix(arg->qName().prefix()));
if(prefix.isEmpty())
return Item();
else
return AtomicString::fromValue(context->namePool()->stringForPrefix(arg->qName().prefix()));
}
Item LocalNameFromQNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const QNameValue::Ptr arg(m_operands.first()->evaluateSingleton(context).as<QNameValue>());
return arg ? toItem(AtomicString::fromValue(context->namePool()->stringForLocalName(arg->qName().localName()))) : Item();
}
Item NamespaceURIFromQNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const QNameValue::Ptr arg(m_operands.first()->evaluateSingleton(context).as<QNameValue>());
return arg ? toItem(AnyURI::fromValue(context->namePool()->stringForNamespace(arg->qName().namespaceURI()))) : Item();
}
Item NamespaceURIForPrefixFN::evaluateSingleton(const DynamicContext::Ptr &context) const
{
const Item prefixItem(m_operands.first()->evaluateSingleton(context));
QXmlName::PrefixCode prefix;
if(prefixItem)
prefix = context->namePool()->allocatePrefix(prefixItem.stringValue());
else
prefix = StandardPrefixes::empty;
const Item eleItem(m_operands.last()->evaluateSingleton(context));
Q_ASSERT(eleItem);
const QXmlName::NamespaceCode ns = eleItem.asNode().namespaceForPrefix(prefix);
if(ns == NamespaceResolver::NoBinding)
{
/* This is a bit tricky. The default namespace is not considered an in-scope binding
* on a node, but the specification for this function do consider it a binding and therefore
* the empty string. */
if(prefix == StandardPrefixes::empty)
return CommonValues::EmptyString;
else
return Item();
}
else
return toItem(AnyURI::fromValue(context->namePool()->stringForNamespace(ns)));
}
Item::Iterator::Ptr InScopePrefixesFN::evaluateSequence(const DynamicContext::Ptr &context) const
{
const Item e(m_operands.first()->evaluateSingleton(context));
const QVector<QXmlName> nbs(e.asNode().namespaceBindings());
const int len = nbs.size();
const NamePool::Ptr np(context->namePool());
QList<Item> result;
for(int i = 0; i < len; ++i)
result.append(AtomicString::fromValue(np->stringForPrefix(nbs.at(i).prefix())));
return makeListIterator(result);
}
QT_END_NAMESPACE
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