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39
40#include "qatomiccaster_p.h"
41#include "qatomicstring_p.h"
42#include "qcastingplatform_p.h"
43#include "qvaluefactory_p.h"
44
45QT_BEGIN_NAMESPACE
46
47using namespace QPatternist;
48
49/**
50 * @short Helper class for ValueFactory::fromLexical() which exposes
51 * CastingPlatform appropriately.
52 *
53 * @relates ValueFactory
54 */
55class PerformValueConstruction : public CastingPlatform<PerformValueConstruction, false>
56 , public SourceLocationReflection
57{
58public:
59 PerformValueConstruction(const SourceLocationReflection *const sourceLocationReflection,
60 const SchemaType::Ptr &toType) : m_sourceReflection(sourceLocationReflection)
61 , m_targetType(AtomicType::Ptr(toType))
62 {
63 Q_ASSERT(m_sourceReflection);
64 }
65
66 AtomicValue::Ptr operator()(const AtomicValue::Ptr &lexicalValue,
67 const SchemaType::Ptr & /*type*/,
68 const ReportContext::Ptr &context)
69 {
70 prepareCasting(context, sourceType: BuiltinTypes::xsString);
71 return AtomicValue::Ptr(const_cast<AtomicValue *>(cast(sourceValue: lexicalValue, context).asAtomicValue()));
72 }
73
74 const SourceLocationReflection *actualReflection() const
75 {
76 return m_sourceReflection;
77 }
78
79 ItemType::Ptr targetType() const
80 {
81 return m_targetType;
82 }
83
84private:
85 const SourceLocationReflection *const m_sourceReflection;
86 const ItemType::Ptr m_targetType;
87};
88
89AtomicValue::Ptr ValueFactory::fromLexical(const QString &lexicalValue,
90 const SchemaType::Ptr &type,
91 const ReportContext::Ptr &context,
92 const SourceLocationReflection *const sourceLocationReflection)
93{
94 Q_ASSERT(context);
95 Q_ASSERT(type);
96 Q_ASSERT_X(type->category() == SchemaType::SimpleTypeAtomic, Q_FUNC_INFO,
97 "We can only construct for atomic values.");
98
99 return PerformValueConstruction(sourceLocationReflection, type)(AtomicString::fromValue(value: lexicalValue),
100 type,
101 context);
102}
103
104QT_END_NAMESPACE
105

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