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46 // This file is not part of the Qt API. It exists purely as an
47 // implementation detail. This header file may change from version to
48 // version without notice, or even be removed.
52 #ifndef Patternist_EBVType_H
53 #define Patternist_EBVType_H
55 #include <private/qatomictype_p.h>
56 #include <private/qsequencetype_p.h>
66 * @short Represents the type for which a value of can an Effective %Boolean Value
69 * EBVType is an artificial type. It is not available to users of any host language
70 * or is specified in any specification. It is used for implementing static type
71 * checking for expressions such as IfThenClause and AndExpression.
73 * @ingroup Patternist_types
74 * @author Frans Englich <frans.englich@nokia.com>
76 class EBVType : public ItemType,
80 typedef QExplicitlySharedDataPointer<EBVType> Ptr;
83 * @todo docs if it's an ebvable type, etc.
85 virtual bool itemMatches(const Item &item) const;
86 virtual bool xdtTypeMatches(const ItemType::Ptr &other) const;
88 virtual QString displayName(const NamePool::Ptr &np) const;
91 * @note The semantical meaning of this type's item type can
92 * surely be discussed. The function is provided due to
93 * it being mandated by the SequenceType base class.
95 * @returns always 'this' since EBVType is also an ItemType
97 virtual ItemType::Ptr itemType() const;
100 * @note The semantical meaning of this type's cardinality
101 * can surely be discussed. The function is provided due to
102 * it being mandated by the SequenceType base class.
104 * @returns always Cardinality::zeroOrMore()
106 virtual Cardinality cardinality() const;
108 virtual bool isAtomicType() const;
111 * @returns always @c null
113 virtual ItemType::Ptr atomizedType() const;
116 * @returns always BuiltinTypes::item
118 virtual ItemType::Ptr xdtSuperType() const;
121 * @returns always @c false
123 virtual bool isNodeType() const;
126 friend class CommonSequenceTypes;