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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_AttributeConstructor_H
51#define Patternist_AttributeConstructor_H
52
53#include <private/qpaircontainer_p.h>
54
55QT_BEGIN_NAMESPACE
56
57namespace QPatternist
58{
59 /**
60 * @short Constructs an element node. This covers both computed and directly constructed
61 * element nodes.
62 *
63 * @see <a href="http://www.w3.org/TR/xquery/#id-constructors">XQuery
64 * 1.0: An XML Query Language, 3.7 Constructors</a>
65 * @author Frans Englich <frans.englich@nokia.com>
66 * @ingroup Patternist_expressions
67 */
68 class AttributeConstructor : public PairContainer
69 {
70 public:
71 AttributeConstructor(const Expression::Ptr &operand1,
72 const Expression::Ptr &operand2);
73
74 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
75 virtual void evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const;
76
77 virtual SequenceType::Ptr staticType() const;
78
79 /**
80 * The first operand must be exactly one @c xs:QName, and the second
81 * argument can be zero or more items.
82 */
83 virtual SequenceType::List expectedOperandTypes() const;
84
85 virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
86
87 /**
88 * @returns always IDAttributeConstructor.
89 */
90 virtual ID id() const;
91
92 virtual Properties properties() const;
93
94 private:
95 static inline QString processValue(const QXmlName name,
96 const Item &value);
97 };
98}
99
100QT_END_NAMESPACE
101
102#endif
103

source code of qtxmlpatterns/src/xmlpatterns/expr/qattributeconstructor_p.h