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6** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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39
40#include "qatomictype_p.h"
41#include "qbuiltintypes_p.h"
42#include "qcommonvalues_p.h"
43#include "qdynamiccontext_p.h"
44#include "qpatternistlocale_p.h"
45#include "qvalidationerror_p.h"
46
47#include "qboolean_p.h"
48
49QT_BEGIN_NAMESPACE
50
51using namespace QPatternist;
52
53bool Boolean::evaluateEBV(const Item::Iterator::Ptr &it,
54 const QExplicitlySharedDataPointer<DynamicContext> &context)
55{
56 return evaluateEBV(first: it->next(), e: it, context);
57}
58
59bool Boolean::evaluateEBV(const Item &first,
60 const Item::Iterator::Ptr &it,
61 const QExplicitlySharedDataPointer<DynamicContext> &context)
62{
63 Q_ASSERT(it);
64 Q_ASSERT(context);
65
66 if(!first)
67 return false;
68 else if(first.isNode())
69 return true;
70
71 const Item second(it->next());
72
73 if(second)
74 {
75 Q_ASSERT(context);
76 context->error(message: QtXmlPatterns::tr(sourceText: "Effective Boolean Value cannot be calculated for a sequence "
77 "containing two or more atomic values."),
78 errorCode: ReportContext::FORG0006,
79 sourceLocation: QSourceLocation());
80 return false;
81 }
82 else
83 return first.as<AtomicValue>()->evaluateEBV(context);
84}
85
86bool Boolean::evaluateEBV(const Item &item,
87 const QExplicitlySharedDataPointer<DynamicContext> &context)
88{
89 if(!item)
90 return false;
91 else if(item.isNode())
92 return true;
93 else
94 return item.as<AtomicValue>()->evaluateEBV(context);
95}
96
97Boolean::Boolean(const bool value) : m_value(value)
98{
99}
100
101QString Boolean::stringValue() const
102{
103 return m_value
104 ? CommonValues::TrueString->stringValue()
105 : CommonValues::FalseString->stringValue();
106}
107
108bool Boolean::evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &) const
109{
110 return m_value;
111}
112
113Boolean::Ptr Boolean::fromValue(const bool value)
114{
115 return value ? CommonValues::BooleanTrue : CommonValues::BooleanFalse;
116}
117
118AtomicValue::Ptr Boolean::fromLexical(const QString &lexical)
119{
120 const QString val(lexical.trimmed()); /* Apply the whitespace facet. */
121
122 if(val == QLatin1String("true") || val == QChar(QLatin1Char('1')))
123 return CommonValues::BooleanTrue;
124 else if(val == QLatin1String("false") || val == QChar(QLatin1Char('0')))
125 return CommonValues::BooleanFalse;
126 else
127 return ValidationError::createError();
128}
129
130ItemType::Ptr Boolean::type() const
131{
132 return BuiltinTypes::xsBoolean;
133}
134
135QT_END_NAMESPACE
136

source code of qtxmlpatterns/src/xmlpatterns/data/qboolean.cpp