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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_AnyType_H
51 #define Patternist_AnyType_H
52 
53 #include <private/qschematype_p.h>
54 
55 QT_BEGIN_NAMESPACE
56 
57 namespace QPatternist
58 {
59     class AtomicType;
60 
61     /**
62      * @short Represents the @c xs:anyType item type.
63      *
64      * @ingroup Patternist_types
65      * @author Frans Englich <frans.englich@nokia.com>
66      */
67     class AnyType : public SchemaType
68     {
69     public:
70 
71         typedef QExplicitlySharedDataPointer<AnyType> Ptr;
72         friend class BuiltinTypes;
73 
74         ~AnyType();
75 
76         QXmlName name(const NamePool::Ptr &np) const override;
77 
78         /**
79          * @returns always "xs:anyType"
80          */
81         QString displayName(const NamePool::Ptr &np) const override;
82 
83         /**
84          * @returns always @c false
85          */
86         bool isAbstract() const override;
87 
88         /**
89          * @returns @c null, since <tt>xs:anyType</tt> has no base type, it is the ur-type.
90          *
91          * @returns always @c null
92          */
93         SchemaType::Ptr wxsSuperType() const override;
94 
95         /**
96          * @returns @c true only if @p other is xsAnyType.
97          */
98         bool wxsTypeMatches(const SchemaType::Ptr &other) const override;
99 
100         /**
101          * <tt>xs:anyType</tt> is the "ur-type" and special. Therefore, this function
102          * returns SchemaType::None.
103          *
104          * @returns SchemaType::None
105          */
106         TypeCategory category() const override;
107 
108         /**
109          * @returns always NoDerivation.
110          */
111         DerivationMethod derivationMethod() const override;
112 
113         /**
114          * @returns an empty set of derivation constraint flags.
115          */
116         DerivationConstraints derivationConstraints() const override;
117 
118         /**
119          * Always returns @c true.
120          */
121         bool isComplexType() const override;
122 
123     protected:
124         /**
125          * @short This constructor is protected, because this
126          * class must be sub-classed.
127          */
AnyType()128         inline AnyType()
129         {
130         }
131     };
132 }
133 
134 QT_END_NAMESPACE
135 
136 #endif
137