| /**************************************************************************** |
| ** |
| ** 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. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qabstractfloat_p.h" |
| #include "qanyuri_p.h" |
| #include "qboolean_p.h" |
| #include "qbuiltintypes_p.h" |
| #include "qcommonnamespaces_p.h" |
| #include "qcommonvalues_p.h" |
| #include "qliteral_p.h" |
| #include "qatomicstring_p.h" |
| |
| #include "qnodefns_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace QPatternist; |
| |
| Item NameFN::evaluateSingleton(const DynamicContext::Ptr &context) const |
| { |
| const Item node(m_operands.first()->evaluateSingleton(context)); |
| |
| if(node) |
| { |
| const QXmlName name(node.asNode().name()); |
| |
| if(name.isNull()) |
| return CommonValues::EmptyString; |
| else |
| return AtomicString::fromValue(context->namePool()->toLexical(name)); |
| } |
| else |
| return CommonValues::EmptyString; |
| } |
| |
| Item LocalNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const |
| { |
| const Item node(m_operands.first()->evaluateSingleton(context)); |
| |
| if(node) |
| { |
| const QXmlName name(node.asNode().name()); |
| |
| if(name.isNull()) |
| return CommonValues::EmptyString; |
| else |
| return AtomicString::fromValue(context->namePool()->stringForLocalName(name.localName())); |
| } |
| else |
| return CommonValues::EmptyString; |
| } |
| |
| Item NamespaceURIFN::evaluateSingleton(const DynamicContext::Ptr &context) const |
| { |
| const Item node(m_operands.first()->evaluateSingleton(context)); |
| |
| if(node) |
| { |
| const QXmlName name(node.asNode().name()); |
| |
| if(name.isNull()) |
| return CommonValues::EmptyAnyURI; |
| else |
| return toItem(AnyURI::fromValue(context->namePool()->stringForNamespace(name.namespaceURI()))); |
| } |
| else |
| return CommonValues::EmptyAnyURI; |
| } |
| |
| Item NumberFN::evaluateSingleton(const DynamicContext::Ptr &context) const |
| { |
| const Item item(m_operands.first()->evaluateSingleton(context)); |
| |
| if(!item) |
| return CommonValues::DoubleNaN; |
| |
| const Item val(cast(item, context)); |
| Q_ASSERT(val); |
| |
| if(val.as<AtomicValue>()->hasError()) |
| return CommonValues::DoubleNaN; |
| else |
| return val; |
| } |
| |
| Expression::Ptr NumberFN::typeCheck(const StaticContext::Ptr &context, |
| const SequenceType::Ptr &reqType) |
| { |
| const Expression::Ptr me(FunctionCall::typeCheck(context, reqType)); |
| const ItemType::Ptr sourceType(m_operands.first()->staticType()->itemType()); |
| |
| if(BuiltinTypes::xsDouble->xdtTypeMatches(sourceType)) |
| { |
| /* The operand is already xs:double, no need for fn:number(). */ |
| return m_operands.first()->typeCheck(context, reqType); |
| } |
| else if(prepareCasting(context, sourceType)) |
| return me; |
| else |
| { |
| /* Casting to xs:double will never succeed and we would always return NaN.*/ |
| return wrapLiteral(CommonValues::DoubleNaN, context, this)->typeCheck(context, reqType); |
| } |
| } |
| |
| bool LangFN::isLangMatch(const QString &candidate, const QString &toMatch) |
| { |
| if(QString::compare(candidate, toMatch, Qt::CaseInsensitive) == 0) |
| return true; |
| |
| return candidate.startsWith(toMatch, Qt::CaseInsensitive) |
| && candidate.length() > toMatch.length() |
| && candidate.at(toMatch.length()) == QLatin1Char('-'); |
| } |
| |
| Item LangFN::evaluateSingleton(const DynamicContext::Ptr &context) const |
| { |
| const Item langArg(m_operands.first()->evaluateSingleton(context)); |
| const QString lang(langArg ? langArg.stringValue() : QString()); |
| |
| const QXmlName xmlLang(StandardNamespaces::xml, StandardLocalNames::lang, StandardPrefixes::xml); |
| const QXmlNodeModelIndex langNode(m_operands.at(1)->evaluateSingleton(context).asNode()); |
| |
| const QXmlNodeModelIndex::Iterator::Ptr ancestors(langNode.iterate(QXmlNodeModelIndex::AxisAncestorOrSelf)); |
| QXmlNodeModelIndex ancestor(ancestors->next()); |
| |
| while(!ancestor.isNull()) |
| { |
| const QXmlNodeModelIndex::Iterator::Ptr attributes(ancestor.iterate(QXmlNodeModelIndex::AxisAttribute)); |
| QXmlNodeModelIndex attribute(attributes->next()); |
| |
| while(!attribute.isNull()) |
| { |
| Q_ASSERT(attribute.kind() == QXmlNodeModelIndex::Attribute); |
| |
| if(attribute.name() == xmlLang) |
| { |
| if(isLangMatch(attribute.stringValue(), lang)) |
| return CommonValues::BooleanTrue; |
| else |
| return CommonValues::BooleanFalse; |
| } |
| |
| attribute = attributes->next(); |
| } |
| |
| ancestor = ancestors->next(); |
| } |
| |
| return CommonValues::BooleanFalse; |
| } |
| |
| Item RootFN::evaluateSingleton(const DynamicContext::Ptr &context) const |
| { |
| const Item arg(m_operands.first()->evaluateSingleton(context)); |
| |
| if(arg) |
| return arg.asNode().root(); |
| else |
| return Item(); |
| } |
| |
| SequenceType::Ptr RootFN::staticType() const |
| { |
| if(m_operands.isEmpty()) |
| return makeGenericSequenceType(BuiltinTypes::node, Cardinality::exactlyOne()); |
| else |
| return makeGenericSequenceType(BuiltinTypes::node, m_operands.first()->staticType()->cardinality().toWithoutMany()); |
| } |
| |
| QT_END_NAMESPACE |