| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
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| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
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| ** packaging of this file. Please review the following information to |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
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| ** $QT_END_LICENSE$ |
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| ****************************************************************************/ |
| |
| #include <QUrl> |
| |
| #include "qcommonsequencetypes_p.h" |
| #include "qnodebuilder_p.h" |
| #include "qqnamevalue_p.h" |
| |
| #include "qattributeconstructor_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| using namespace QPatternist; |
| |
| AttributeConstructor::AttributeConstructor(const Expression::Ptr &op1, |
| const Expression::Ptr &op2) : PairContainer(op1, op2) |
| { |
| } |
| |
| QString AttributeConstructor::processValue(const QXmlName name, |
| const Item &value) |
| { |
| if(!value) |
| return QString(); |
| else if(name == QXmlName(StandardNamespaces::xml, StandardLocalNames::id)) |
| return value.stringValue().simplified(); |
| else |
| return value.stringValue(); |
| } |
| |
| Item AttributeConstructor::evaluateSingleton(const DynamicContext::Ptr &context) const |
| { |
| const Item nameItem(m_operand1->evaluateSingleton(context)); |
| const Item content(m_operand2->evaluateSingleton(context)); |
| |
| const QXmlName name(nameItem.as<QNameValue>()->qName()); |
| const QString value(processValue(name, content)); |
| const NodeBuilder::Ptr nodeBuilder(context->nodeBuilder(QUrl())); |
| |
| nodeBuilder->attribute(name, QStringRef(&value)); |
| |
| const QAbstractXmlNodeModel::Ptr nm(nodeBuilder->builtDocument()); |
| context->addNodeModel(nm); |
| return nm->root(QXmlNodeModelIndex()); |
| } |
| |
| void AttributeConstructor::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const |
| { |
| QAbstractXmlReceiver *const receiver = context->outputReceiver(); |
| const Item nameItem(m_operand1->evaluateSingleton(context)); |
| |
| const Item content(m_operand2->evaluateSingleton(context)); |
| const QXmlName name(nameItem.as<QNameValue>()->qName()); |
| const QString value(processValue(name, content)); |
| |
| receiver->attribute(name, QStringRef(&value)); |
| } |
| |
| SequenceType::Ptr AttributeConstructor::staticType() const |
| { |
| return CommonSequenceTypes::ExactlyOneAttribute; |
| } |
| |
| SequenceType::List AttributeConstructor::expectedOperandTypes() const |
| { |
| SequenceType::List result; |
| result.append(CommonSequenceTypes::ExactlyOneQName); |
| result.append(CommonSequenceTypes::ZeroOrMoreItems); |
| return result; |
| } |
| |
| Expression::Properties AttributeConstructor::properties() const |
| { |
| return DisableElimination | IsNodeConstructor; |
| } |
| |
| ExpressionVisitorResult::Ptr |
| AttributeConstructor::accept(const ExpressionVisitor::Ptr &visitor) const |
| { |
| return visitor->visit(this); |
| } |
| |
| Expression::ID AttributeConstructor::id() const |
| { |
| return IDAttributeConstructor; |
| } |
| |
| QT_END_NAMESPACE |