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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_FunctionAvailableFN_H
51#define Patternist_FunctionAvailableFN_H
52
53#include <private/qstaticnamespacescontainer_p.h>
54#include <private/qfunctionfactory_p.h>
55
56QT_BEGIN_NAMESPACE
57
58namespace QPatternist
59{
60 /**
61 * @short Implements XSL-T 2.0's XPath function <tt>fn:function-available()</tt>.
62 *
63 * @see <a href="http://www.w3.org/TR/xslt20/#function-function-available">XSL Transformations
64 * (XSLT) Version 2.0, 18.1.1 Testing Availability of Functions</a>
65 * @author Frans Englich <frans.englich@nokia.com>
66 * @ingroup Patternist_functions
67 */
68 class FunctionAvailableFN : public StaticNamespacesContainer
69 {
70 public:
71 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
72
73 /**
74 * Reimplemented to store data from the @p context which is needed at runtime.
75 */
76 virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
77 const SequenceType::Ptr &reqType);
78
79 private:
80 FunctionFactory::Ptr m_functionFactory;
81 QXmlName::NamespaceCode m_defFuncNS;
82 };
83
84QT_END_NAMESPACE
85}
86#endif
87

source code of qtxmlpatterns/src/xmlpatterns/functions/qfunctionavailablefn_p.h