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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_ContextFNs_H
51#define Patternist_ContextFNs_H
52
53#include <private/qfunctioncall_p.h>
54
55/**
56 * @file
57 * @short Contains classes implementing the functions found in
58 * <a href="http://www.w3.org/TR/xpath-functions/#context">XQuery 1.0 and
59 * XPath 2.0 Functions and Operators, 16 Context Functions</a>.
60 *
61 * @ingroup Patternist_functions
62 */
63
64QT_BEGIN_NAMESPACE
65
66namespace QPatternist
67{
68 /**
69 * @short Implements the function <tt>fn:position()</tt>.
70 *
71 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-position">XQuery 1.0
72 * and XPath 2.0 Functions and Operators, 16.1 fn:position</a>
73 * @ingroup Patternist_functions
74 * @author Frans Englich <frans.englich@nokia.com>
75 */
76 class PositionFN : public FunctionCall
77 {
78 public:
79 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
80 };
81
82 /**
83 * @short Implements the function <tt>fn:last()</tt>.
84 *
85 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-last">XQuery 1.0
86 * and XPath 2.0 Functions and Operators, 16.2 fn:last</a>
87 * @ingroup Patternist_functions
88 * @author Frans Englich <frans.englich@nokia.com>
89 */
90 class LastFN : public FunctionCall
91 {
92 public:
93 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
94 };
95
96 /**
97 * @short Implements the function <tt>fn:implicit-timezone()</tt>.
98 *
99 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-implicit-timezone">XQuery 1.0
100 * and XPath 2.0 Functions and Operators, 16.6 fn:implicit-timezone</a>
101 * @ingroup Patternist_functions
102 * @author Frans Englich <frans.englich@nokia.com>
103 */
104 class ImplicitTimezoneFN : public FunctionCall
105 {
106 public:
107 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
108 };
109
110 /**
111 * @short Implements the function <tt>fn:current-dateTime()</tt>.
112 *
113 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-current-dateTime">XQuery 1.0
114 * and XPath 2.0 Functions and Operators, 16.3 fn:current-dateTime</a>
115 * @ingroup Patternist_functions
116 * @author Frans Englich <frans.englich@nokia.com>
117 */
118 class CurrentDateTimeFN : public FunctionCall
119 {
120 public:
121 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
122 };
123
124 /**
125 * @short Implements the function <tt>fn:current-date()</tt>.
126 *
127 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-current-date">XQuery 1.0
128 * and XPath 2.0 Functions and Operators, 16.4 fn:current-date</a>
129 * @ingroup Patternist_functions
130 * @author Frans Englich <frans.englich@nokia.com>
131 */
132 class CurrentDateFN : public FunctionCall
133 {
134 public:
135 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
136 };
137
138 /**
139 * @short Implements the function <tt>fn:current-time()</tt>.
140 *
141 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-current-time">XQuery 1.0
142 * and XPath 2.0 Functions and Operators, 16.5 fn:current-date</a>
143 * @ingroup Patternist_functions
144 * @author Frans Englich <frans.englich@nokia.com>
145 */
146 class CurrentTimeFN : public FunctionCall
147 {
148 public:
149 virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
150 };
151
152 /**
153 * @short Implements the function <tt>fn:default-collation()</tt>.
154 *
155 * This is done by rewriting to StaticContext::defaultCollation() at the typeCheck() stage.
156 *
157 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-default-collation">XQuery 1.0
158 * and XPath 2.0 Functions and Operators, 16.7 fn:default-collation</a>
159 * @ingroup Patternist_functions
160 * @author Frans Englich <frans.englich@nokia.com>
161 */
162 class DefaultCollationFN : public FunctionCall
163 {
164 public:
165 virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
166 const SequenceType::Ptr &reqType);
167 };
168
169 /**
170 * @short Implements the function <tt>fn:static-base-uri()</tt>.
171 *
172 * This is done by rewriting to StaticContext::baseURI() at the typeCheck() stage.
173 *
174 * @see <a href="http://www.w3.org/TR/xpath-functions/#func-static-base-uri">XQuery 1.0
175 * and XPath 2.0 Functions and Operators, 16.8 fn:static-base-uri</a>
176 * @ingroup Patternist_functions
177 * @author Frans Englich <frans.englich@nokia.com>
178 */
179 class StaticBaseURIFN : public FunctionCall
180 {
181 public:
182 virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
183 const SequenceType::Ptr &reqType);
184 };
185}
186
187QT_END_NAMESPACE
188
189#endif
190

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