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6** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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39
40#include "qboolean_p.h"
41#include "qbuiltintypes_p.h"
42#include "qcommonsequencetypes_p.h"
43#include "qgenericsequencetype_p.h"
44
45#include "qliteral_p.h"
46
47QT_BEGIN_NAMESPACE
48
49using namespace QPatternist;
50
51Literal::Literal(const Item &i) : m_item(i)
52{
53 Q_ASSERT(m_item);
54 Q_ASSERT(m_item.isAtomicValue());
55}
56
57Item Literal::evaluateSingleton(const DynamicContext::Ptr &) const
58{
59 return m_item;
60}
61
62bool Literal::evaluateEBV(const DynamicContext::Ptr &context) const
63{
64 return Boolean::evaluateEBV(item: m_item, context);
65}
66
67void Literal::evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const
68{
69 context->outputReceiver()->item(item: m_item);
70}
71
72SequenceType::Ptr Literal::staticType() const
73{
74 return makeGenericSequenceType(itemType: m_item.type(), cardinality: Cardinality::exactlyOne());
75}
76
77ExpressionVisitorResult::Ptr Literal::accept(const ExpressionVisitor::Ptr &visitor) const
78{
79 return visitor->visit(this);
80}
81
82Expression::ID Literal::id() const
83{
84 Q_ASSERT(m_item);
85 Q_ASSERT(m_item.isAtomicValue());
86 const ItemType::Ptr t(m_item.type());
87
88 if(BuiltinTypes::xsBoolean->xdtTypeMatches(other: t))
89 return IDBooleanValue;
90 else if(BuiltinTypes::xsString->xdtTypeMatches(other: t) ||
91 BuiltinTypes::xsAnyURI->xdtTypeMatches(other: t) ||
92 BuiltinTypes::xsUntypedAtomic->xdtTypeMatches(other: t))
93 {
94 return IDStringValue;
95 }
96 else if(BuiltinTypes::xsInteger->xdtTypeMatches(other: t))
97 return IDIntegerValue;
98 else
99 return IDFloat;
100}
101
102Expression::Properties Literal::properties() const
103{
104 return IsEvaluated;
105}
106
107QString Literal::description() const
108{
109 return m_item.stringValue();
110}
111
112QT_END_NAMESPACE
113

source code of qtxmlpatterns/src/xmlpatterns/expr/qliteral.cpp