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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_NamespaceResolver_H
53 #define Patternist_NamespaceResolver_H
55 #include <QSharedData>
63 template<typename A, typename B> class QHash;
69 * @short Base class for namespace resolvers.
72 * @author Frans Englich <frans.englich@nokia.com>
74 class NamespaceResolver : public QSharedData
82 typedef QExplicitlySharedDataPointer<NamespaceResolver> Ptr;
85 * A list of namespace bindings. The key is the prefix, and the value is
88 typedef QHash<QXmlName::PrefixCode, QXmlName::NamespaceCode> Bindings;
91 virtual ~NamespaceResolver();
94 * Adds the mapping from @p prefix to @p namespaceURI to
95 * this NamespaceResolver. If this NamespaceResolver already contains
96 * a binding involving @p prefix, the old binding is replaced.
98 virtual void addBinding(const QXmlName nb) = 0;
101 * Resolves the @p prefix to the corresponding namespace URI. If no binding
102 * exists for @p prefix, NoBinding is returned.
104 * @returns the namespace corresponding to @p prefix.
106 virtual QXmlName::NamespaceCode lookupNamespaceURI(const QXmlName::PrefixCode prefix) const = 0;
109 * @returns all bindings this NamespaceResolver handles.
111 virtual Bindings bindings() const = 0;