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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_ComputedNamespaceConstructor_H
51#define Patternist_ComputedNamespaceConstructor_H
52
53#include <private/qpaircontainer_p.h>
54
55QT_BEGIN_NAMESPACE
56
57namespace QPatternist
58{
59 /**
60 * @short Constructs a namespace on an element, and naturally only appears
61 * as a child of ElementConstructor.
62 *
63 * @author Frans Englich <frans.englich@nokia.com>
64 * @ingroup Patternist_expressions
65 * @since 4.5
66 */
67 class ComputedNamespaceConstructor : public PairContainer
68 {
69 public:
70 ComputedNamespaceConstructor(const Expression::Ptr &prefix,
71 const Expression::Ptr &namespaceURI);
72
73 virtual void evaluateToSequenceReceiver(const DynamicContext::Ptr &context) const;
74
75 /**
76 * @returns a list containing one CommonSequenceTypes::ExactlyOneString instance.
77 */
78 virtual SequenceType::List expectedOperandTypes() const;
79
80 /**
81 * The static type is exactly one attribute node. It's unclear what
82 * affects the static type has, but specifying anything else could lead
83 * to complications wrt. node order, XQTY0024. Of course, it's not
84 * conceptually correct, since a namespace node isn't an attribute
85 * node.
86 */
87 virtual SequenceType::Ptr staticType() const;
88
89 virtual ExpressionVisitorResult::Ptr accept(const ExpressionVisitor::Ptr &visitor) const;
90 virtual Expression::Properties properties() const;
91 };
92}
93
94QT_END_NAMESPACE
95
96#endif
97

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