/**************************************************************************** | |
** | |
** Copyright (C) 2011 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. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** 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. | |
** | |
** 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. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
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** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#include "qanyuri_p.h" | |
#include "qboolean_p.h" | |
#include "qbuiltintypes_p.h" | |
#include "qcommonvalues_p.h" | |
#include "qliteral_p.h" | |
#include "qitem_p.h" | |
#include "qqnamevalue_p.h" | |
#include "qatomicstring_p.h" | |
#include "qaccessorfns_p.h" | |
QT_BEGIN_NAMESPACE | |
using namespace QPatternist; | |
Item NodeNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const | |
{ | |
const Item item(m_operands.first()->evaluateSingleton(context)); | |
if(item) | |
{ | |
const QXmlName name(item.asNode().name()); | |
if(name.isNull()) | |
return Item(); | |
else | |
return toItem(QNameValue::fromValue(context->namePool(), name)); | |
} | |
else | |
return Item(); | |
} | |
Item NilledFN::evaluateSingleton(const DynamicContext::Ptr &context) const | |
{ | |
const Item item(m_operands.first()->evaluateSingleton(context)); | |
if(item && item.asNode().kind() == QXmlNodeModelIndex::Element) | |
{ | |
/* We have no access to the PSVI -- always return false. */ | |
return CommonValues::BooleanFalse; | |
} | |
else | |
return Item(); | |
} | |
Item StringFN::evaluateSingleton(const DynamicContext::Ptr &context) const | |
{ | |
const Item item(m_operands.first()->evaluateSingleton(context)); | |
if(item) | |
return AtomicString::fromValue(item.stringValue()); | |
else | |
return CommonValues::EmptyString; | |
} | |
Expression::Ptr StringFN::typeCheck(const StaticContext::Ptr &context, | |
const SequenceType::Ptr &reqType) | |
{ | |
const Expression::Ptr me(FunctionCall::typeCheck(context, reqType)); | |
if(me != this) | |
return me; | |
if(BuiltinTypes::xsString->xdtTypeMatches(m_operands.first()->staticType()->itemType())) | |
return m_operands.first(); /* No need for string(), it's already a string. */ | |
else | |
return me; | |
} | |
Item BaseURIFN::evaluateSingleton(const DynamicContext::Ptr &context) const | |
{ | |
const Item node(m_operands.first()->evaluateSingleton(context)); | |
if(node) | |
{ | |
const QUrl base(node.asNode().baseUri()); | |
if(base.isEmpty()) | |
return Item(); | |
else if(base.isValid()) | |
{ | |
Q_ASSERT_X(!base.isRelative(), Q_FUNC_INFO, | |
"The base URI must be absolute."); | |
return toItem(AnyURI::fromValue(base)); | |
} | |
else | |
return Item(); | |
} | |
else | |
return Item(); | |
} | |
Item DocumentURIFN::evaluateSingleton(const DynamicContext::Ptr &context) const | |
{ | |
const Item node(m_operands.first()->evaluateSingleton(context)); | |
if(node) | |
{ | |
const QUrl documentURI(node.asNode().documentUri()); | |
if(documentURI.isValid()) | |
{ | |
if(documentURI.isEmpty()) | |
return Item(); | |
else | |
{ | |
Q_ASSERT_X(!documentURI.isRelative(), Q_FUNC_INFO, | |
"The document URI must be absolute."); | |
return toItem(AnyURI::fromValue(documentURI)); | |
} | |
} | |
else | |
return Item(); | |
} | |
else | |
return Item(); | |
} | |
QT_END_NAMESPACE |