1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
11 ** License version 2.1 as published by the Free Software Foundation and
12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
14 ** General Public License version 2.1 requirements will be met:
15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
17 ** In addition, as a special exception, Nokia gives you certain additional
18 ** rights. These rights are described in the Nokia Qt LGPL Exception
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
24 ** and appearing in the file LICENSE.GPL included in the packaging of this
25 ** file. Please review the following information to ensure the GNU General
26 ** Public License version 3.0 requirements will be met:
27 ** http://www.gnu.org/copyleft/gpl.html.
30 ** Alternatively, this file may be used in accordance with the terms and
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40 ****************************************************************************/
42 #include "qboolean_p.h"
43 #include "qbuiltintypes_p.h"
44 #include "qcommonsequencetypes_p.h"
45 #include "qgenericsequencetype_p.h"
47 #include "qliteral_p.h"
51 using namespace QPatternist;
53 Literal::Literal(const Item &i) : m_item(i)
56 Q_ASSERT(m_item.isAtomicValue());
59 Item Literal::evaluateSingleton(const DynamicContext::Ptr &) const
64 bool Literal::evaluateEBV(const DynamicContext::Ptr &context) const
66 return Boolean::evaluateEBV(m_item, context);
69 void Literal::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const
71 context->outputReceiver()->item(m_item);
74 SequenceType::Ptr Literal::staticType() const
76 return makeGenericSequenceType(m_item.type(), Cardinality::exactlyOne());
79 ExpressionVisitorResult::Ptr Literal::accept(const ExpressionVisitor::Ptr &visitor) const
81 return visitor->visit(this);
84 Expression::ID Literal::id() const
87 Q_ASSERT(m_item.isAtomicValue());
88 const ItemType::Ptr t(m_item.type());
90 if(BuiltinTypes::xsBoolean->xdtTypeMatches(t))
91 return IDBooleanValue;
92 else if(BuiltinTypes::xsString->xdtTypeMatches(t) ||
93 BuiltinTypes::xsAnyURI->xdtTypeMatches(t) ||
94 BuiltinTypes::xsUntypedAtomic->xdtTypeMatches(t))
98 else if(BuiltinTypes::xsInteger->xdtTypeMatches(t))
99 return IDIntegerValue;
104 Expression::Properties Literal::properties() const
109 QString Literal::description() const
111 return m_item.stringValue();