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6 ** This file is part of the QtXmlPatterns module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
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29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU
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40 ****************************************************************************/
42 #include "qanyuri_p.h"
43 #include "qboolean_p.h"
44 #include "qbuiltintypes_p.h"
45 #include "qcommonvalues_p.h"
46 #include "qliteral_p.h"
48 #include "qqnamevalue_p.h"
49 #include "qatomicstring_p.h"
51 #include "qaccessorfns_p.h"
55 using namespace QPatternist;
57 Item NodeNameFN::evaluateSingleton(const DynamicContext::Ptr &context) const
59 const Item item(m_operands.first()->evaluateSingleton(context));
63 const QXmlName name(item.asNode().name());
68 return toItem(QNameValue::fromValue(context->namePool(), name));
74 Item NilledFN::evaluateSingleton(const DynamicContext::Ptr &context) const
76 const Item item(m_operands.first()->evaluateSingleton(context));
78 if(item && item.asNode().kind() == QXmlNodeModelIndex::Element)
80 /* We have no access to the PSVI -- always return false. */
81 return CommonValues::BooleanFalse;
87 Item StringFN::evaluateSingleton(const DynamicContext::Ptr &context) const
89 const Item item(m_operands.first()->evaluateSingleton(context));
92 return AtomicString::fromValue(item.stringValue());
94 return CommonValues::EmptyString;
97 Expression::Ptr StringFN::typeCheck(const StaticContext::Ptr &context,
98 const SequenceType::Ptr &reqType)
100 const Expression::Ptr me(FunctionCall::typeCheck(context, reqType));
104 if(BuiltinTypes::xsString->xdtTypeMatches(m_operands.first()->staticType()->itemType()))
105 return m_operands.first(); /* No need for string(), it's already a string. */
110 Item BaseURIFN::evaluateSingleton(const DynamicContext::Ptr &context) const
112 const Item node(m_operands.first()->evaluateSingleton(context));
116 const QUrl base(node.asNode().baseUri());
120 else if(base.isValid())
122 Q_ASSERT_X(!base.isRelative(), Q_FUNC_INFO,
123 "The base URI must be absolute.");
124 return toItem(AnyURI::fromValue(base));
133 Item DocumentURIFN::evaluateSingleton(const DynamicContext::Ptr &context) const
135 const Item node(m_operands.first()->evaluateSingleton(context));
139 const QUrl documentURI(node.asNode().documentUri());
141 if(documentURI.isValid())
143 if(documentURI.isEmpty())
147 Q_ASSERT_X(!documentURI.isRelative(), Q_FUNC_INFO,
148 "The document URI must be absolute.");
149 return toItem(AnyURI::fromValue(documentURI));