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39
40//
41// W A R N I N G
42// -------------
43//
44// This file is not part of the Qt API. It exists purely as an
45// implementation detail. This header file may change from version to
46// version without notice, or even be removed.
47//
48// We mean it.
49
50#ifndef Patternist_NumericType_H
51#define Patternist_NumericType_H
52
53#include <private/qatomictype_p.h>
54
55QT_BEGIN_NAMESPACE
56
57namespace QPatternist
58{
59 /**
60 * @short Represents the internal and abstract type @c fs:numeric.
61 *
62 * @see <a href="http://www.w3.org/TR/xquery-semantics/#dt-fs_numeric">XQuery 1.0
63 * and XPath 2.0 Formal Semantics, Definition: fs:numeric</a>
64 * @ingroup Patternist_types
65 * @author Frans Englich <frans.englich@nokia.com>
66 */
67 class NumericType : public AtomicType
68 {
69 public:
70 virtual ~NumericType();
71
72 bool itemMatches(const Item &item) const override;
73 bool xdtTypeMatches(const ItemType::Ptr &other) const override;
74
75 /**
76 * @returns always "numeric". That is, no namespace prefix
77 */
78 QString displayName(const NamePool::Ptr &np) const override;
79
80 /**
81 * @returns always @c true
82 */
83 bool isAbstract() const override;
84
85 /**
86 * @returns always @c false
87 */
88 bool isNodeType() const override;
89
90 /**
91 * @returns always @c true
92 */
93 bool isAtomicType() const override;
94
95 /**
96 * @returns always xs:anyAtomicType
97 */
98 SchemaType::Ptr wxsSuperType() const override;
99
100 /**
101 * @returns always xs:anyAtomicType
102 */
103 ItemType::Ptr xdtSuperType() const override;
104
105 /**
106 * @returns @c null. It makes no sense to atomize the abstract type @c fs:numeric.
107 */
108 ItemType::Ptr atomizedType() const override;
109
110 /**
111 * NumericType cannot be visited. This function is only implemented
112 * to satisfy the abstract super class's interface.
113 *
114 * @returns always a @c null pointer
115 */
116 AtomicTypeVisitorResult::Ptr accept(const AtomicTypeVisitor::Ptr &visitor,
117 const SourceLocationReflection *const) const override;
118
119 /**
120 * NumericType cannot be visited. This function is only implemented
121 * to satisfy the abstract super class's interface.
122 *
123 * @returns always a @c null pointer
124 */
125 AtomicTypeVisitorResult::Ptr accept(const ParameterizedAtomicTypeVisitor::Ptr &visitor,
126 const qint16 op,
127 const SourceLocationReflection *const) const override;
128
129 /**
130 * The type @c fs:numeric is an abstract type which therefore
131 * cannot be involved in comparisons. Hence, this function returns
132 * @c null. This function is only implemented to satisfy the abstract
133 * super class's interface.
134 *
135 * @returns always a @c null pointer
136 */
137 AtomicComparatorLocator::Ptr comparatorLocator() const override;
138
139 /**
140 * The type @c fs:numeric is an abstract type which therefore
141 * cannot be involved in arithmetics. Hence, this function returns
142 * @c null. This function is only implemented to satisfy the abstract
143 * super class's interface.
144 *
145 * @returns always a @c null pointer
146 */
147 AtomicMathematicianLocator::Ptr mathematicianLocator() const override;
148
149
150 /**
151 * The type @c fs:numeric is an abstract type which therefore
152 * cannot be involved in casting. Hence, this function returns
153 * @c null. This function is only implemented to satisfy the abstract
154 * super class's interface.
155 *
156 * @returns always a @c null pointer
157 */
158 AtomicCasterLocator::Ptr casterLocator() const override;
159
160 protected:
161 friend class BuiltinTypes;
162 NumericType();
163 };
164}
165
166QT_END_NAMESPACE
167
168#endif
169

source code of qtxmlpatterns/src/xmlpatterns/type/qnumerictype_p.h