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39
40#include "qqnameconstructor_p.h"
41
42#include "qelementavailablefn_p.h"
43
44QT_BEGIN_NAMESPACE
45
46using namespace QPatternist;
47
48ElementAvailableFN::ElementAvailableFN() : m_xsltInstructions(allXSLTInstructions())
49{
50}
51
52QSet<QString> ElementAvailableFN::allXSLTInstructions()
53{
54 enum
55 {
56 StringSetSize = 27
57 };
58
59 QSet<QString> retval;
60 retval.reserve(asize: StringSetSize);
61
62 /* Alphabetically. */
63 retval.insert(value: QLatin1String("analyze-string"));
64 retval.insert(value: QLatin1String("apply-imports"));
65 retval.insert(value: QLatin1String("apply-templates"));
66 retval.insert(value: QLatin1String("attribute"));
67 retval.insert(value: QLatin1String("attribute-set"));
68 retval.insert(value: QLatin1String("call-template"));
69 retval.insert(value: QLatin1String("character-map"));
70 retval.insert(value: QLatin1String("choose"));
71 retval.insert(value: QLatin1String("comment"));
72 retval.insert(value: QLatin1String("copy"));
73 retval.insert(value: QLatin1String("copy-of"));
74 retval.insert(value: QLatin1String("document"));
75 retval.insert(value: QLatin1String("element"));
76 retval.insert(value: QLatin1String("fallback"));
77 retval.insert(value: QLatin1String("for-each"));
78 retval.insert(value: QLatin1String("for-each-group"));
79 retval.insert(value: QLatin1String("if"));
80 retval.insert(value: QLatin1String("message"));
81 retval.insert(value: QLatin1String("namespace"));
82 retval.insert(value: QLatin1String("next-match"));
83 retval.insert(value: QLatin1String("number"));
84 retval.insert(value: QLatin1String("perform-sort"));
85 retval.insert(value: QLatin1String("processing-instruction"));
86 retval.insert(value: QLatin1String("result-document"));
87 retval.insert(value: QLatin1String("sequence"));
88 retval.insert(value: QLatin1String("text"));
89 retval.insert(value: QLatin1String("variable"));
90
91 Q_ASSERT(retval.count() == StringSetSize);
92 return retval;
93}
94
95bool ElementAvailableFN::evaluateEBV(const DynamicContext::Ptr &context) const
96{
97 const Item arg(m_operands.first()->evaluateSingleton(context));
98 const QString stringName(arg.stringValue());
99
100 const QXmlName elementName(QNameConstructor::expandQName<DynamicContext::Ptr,
101 ReportContext::XTDE1440,
102 ReportContext::XTDE1440>(lexicalQName: stringName,
103 context,
104 nsResolver: staticNamespaces(),
105 r: this,
106 asForAttribute: false));
107
108 if(elementName.namespaceURI() != StandardNamespaces::xslt)
109 return false;
110
111 QString prefix;
112 QString localName;
113 XPathHelper::splitQName(qName: stringName, prefix, localName);
114
115 return m_xsltInstructions.contains(value: localName);
116}
117
118QT_END_NAMESPACE
119

source code of qtxmlpatterns/src/xmlpatterns/functions/qelementavailablefn.cpp