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39
40#include "qitem_p.h"
41#include "qcommonsequencetypes_p.h"
42#include "qgenericsequencetype_p.h"
43#include "qitemmappingiterator_p.h"
44
45#include "quntypedatomicconverter_p.h"
46
47QT_BEGIN_NAMESPACE
48
49using namespace QPatternist;
50
51UntypedAtomicConverter::UntypedAtomicConverter(const Expression::Ptr &operand,
52 const ItemType::Ptr &reqType,
53 const ReportContext::ErrorCode code) : SingleContainer(operand)
54 , CastingPlatform<UntypedAtomicConverter, true>(code)
55 , m_reqType(reqType)
56{
57 Q_ASSERT(reqType);
58}
59
60Item::Iterator::Ptr UntypedAtomicConverter::evaluateSequence(const DynamicContext::Ptr &context) const
61{
62 return makeItemMappingIterator<Item>(mapper: ConstPtr(this),
63 source: m_operand->evaluateSequence(context),
64 context);
65}
66
67Item UntypedAtomicConverter::evaluateSingleton(const DynamicContext::Ptr &context) const
68{
69 const Item item(m_operand->evaluateSingleton(context));
70
71 if(item)
72 return cast(sourceValue: item, context);
73 else /* Empty is allowed. UntypedAtomicConverter doesn't care about cardinality. */
74 return Item();
75}
76
77Expression::Ptr UntypedAtomicConverter::typeCheck(const StaticContext::Ptr &context,
78 const SequenceType::Ptr &reqType)
79{
80 const Expression::Ptr me(SingleContainer::typeCheck(context, reqType));
81
82 /* Let the CastingPlatform look up its AtomicCaster. */
83 prepareCasting(context, sourceType: m_operand->staticType()->itemType());
84
85 return me;
86}
87
88SequenceType::List UntypedAtomicConverter::expectedOperandTypes() const
89{
90 SequenceType::List result;
91 result.append(t: CommonSequenceTypes::ZeroOrMoreAtomicTypes);
92 return result;
93}
94
95SequenceType::Ptr UntypedAtomicConverter::staticType() const
96{
97 return makeGenericSequenceType(itemType: m_reqType,
98 cardinality: m_operand->staticType()->cardinality());
99}
100
101ExpressionVisitorResult::Ptr UntypedAtomicConverter::accept(const ExpressionVisitor::Ptr &visitor) const
102{
103 return visitor->visit(this);
104}
105
106const SourceLocationReflection *UntypedAtomicConverter::actualReflection() const
107{
108 return m_operand.data();
109}
110
111QT_END_NAMESPACE
112

source code of qtxmlpatterns/src/xmlpatterns/janitors/quntypedatomicconverter.cpp