1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
|
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef Patternist_DateTimeFNs_H
#define Patternist_DateTimeFNs_H
#include "qatomiccomparator_p.h"
#include "qcommonvalues_p.h"
#include "qschemadatetime_p.h"
#include "qdaytimeduration_p.h"
#include "qdecimal_p.h"
#include "qinteger_p.h"
#include "qfunctioncall_p.h"
/**
* @file
* @short Contains classes implementing the functions found in
* <a href="http://www.w3.org/TR/xpath-functions/#component-exraction-functions">XQuery 1.0 and
* XPath 2.0 Functions and Operators, 10.5 Component Extraction Functions on Durations, Dates and Times</a>.
*
* @ingroup Patternist_functions
*/
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Helper class for implementing functions extracting components from durations.
*
* Each sub-class must implement this function:
*
* @code
* Item extract(const AbstractDuration *const duration) const;
* @endcode
*
* This function performs the actual component extraction from the argument, that
* is guaranteed to never be @c null.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
template<typename TSubClass>
class ExtractFromDurationFN : public FunctionCall
{
public:
/**
* Takes care of the argument handling, and, if applicable,
* calls extract() with the value of the operand.
*/
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
};
/**
* @short Implements the function <tt>fn:years-from-duration()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class YearsFromDurationFN : public ExtractFromDurationFN<YearsFromDurationFN>
{
public:
inline Item extract(const AbstractDuration *const duration) const;
};
/**
* @short Implements the function <tt>fn:months-from-duration()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class MonthsFromDurationFN : public ExtractFromDurationFN<MonthsFromDurationFN>
{
public:
inline Item extract(const AbstractDuration *const duration) const;
};
/**
* @short Implements the function <tt>fn:days-from-duration()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class DaysFromDurationFN : public ExtractFromDurationFN<DaysFromDurationFN>
{
public:
inline Item extract(const AbstractDuration *const duration) const;
};
/**
* @short Implements the function <tt>fn:hours-from-duration()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class HoursFromDurationFN : public ExtractFromDurationFN<HoursFromDurationFN>
{
public:
inline Item extract(const AbstractDuration *const duration) const;
};
/**
* @short Implements the function <tt>fn:minutes-from-duration()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class MinutesFromDurationFN : public ExtractFromDurationFN<MinutesFromDurationFN>
{
public:
inline Item extract(const AbstractDuration *const duration) const;
};
/**
* @short Implements the function <tt>fn:seconds-from-duration()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class SecondsFromDurationFN : public ExtractFromDurationFN<SecondsFromDurationFN>
{
public:
inline Item extract(const AbstractDuration *const duration) const;
};
/**
* @short Helper class for implementing functions extracting components
* from date/time values.
*
* Each sub-class must implement this function:
*
* @code
* Item extract(const AbstractDuration *const duration) const;
* @endcode
*
* This function performs the actual component extraction from the argument, that
* is guaranteed to never be @c null.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
template<typename TSubClass>
class ExtractFromDateTimeFN : public FunctionCall
{
public:
/**
* Takes care of the argument handling, and, if applicable,
* calls extract() with the value of the operand.
*/
virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;
};
/**
* @short Extracts the year property from a sub-class of AbstractDateTime such as DateTime or Date.
* This function implements <tt>fn:year-from-dateTime()</tt> and <tt>fn:year-from-date()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class YearFromAbstractDateTimeFN : public ExtractFromDateTimeFN<YearFromAbstractDateTimeFN>
{
public:
inline Item extract(const QDateTime &dt) const;
};
/**
* @short Extracts the day property from a sub-class of AbstractDateTime such as DateTime or Date.
* This function implements <tt>fn:day-from-dateTime()</tt> and <tt>fn:day-from-date()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class DayFromAbstractDateTimeFN : public ExtractFromDateTimeFN<DayFromAbstractDateTimeFN>
{
public:
inline Item extract(const QDateTime &dt) const;
};
/**
* @short Extracts the minute property from a sub-class of AbstractDateTime such as DateTime or SchemaTime.
* Implements the functions <tt>fn:hours-from-dateTime()</tt> and
* <tt>fn:hours-from-time()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class HoursFromAbstractDateTimeFN : public ExtractFromDateTimeFN<HoursFromAbstractDateTimeFN>
{
public:
inline Item extract(const QDateTime &dt) const;
};
/**
* @short Extracts the minutes property from a sub-class of AbstractDateTime such as DateTime or Date.
* Implements the functions <tt>fn:minutes-from-dateTime()</tt> and
* <tt>fn:minutes-from-time()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class MinutesFromAbstractDateTimeFN : public ExtractFromDateTimeFN<MinutesFromAbstractDateTimeFN>
{
public:
inline Item extract(const QDateTime &dt) const;
};
/**
* @short Extracts the seconds property from a sub-class of AbstractDateTime such as DateTime or Date.
* Implements the functions <tt>fn:seconds-from-dateTime()</tt> and
* <tt>fn:seconds-from-time()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class SecondsFromAbstractDateTimeFN : public ExtractFromDateTimeFN<SecondsFromAbstractDateTimeFN>
{
public:
inline Item extract(const QDateTime &dt) const;
};
/**
* @short Extracts the timezone property from a sub-class of AbstractDateTime such as DateTime or Date.
* Implements the functions <tt>fn:timezone-from-dateTime()</tt>,
* <tt>fn:timezone-from-time()</tt> and <tt>fn:timezone-from-date()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class TimezoneFromAbstractDateTimeFN : public ExtractFromDateTimeFN<TimezoneFromAbstractDateTimeFN>
{
public:
inline Item extract(const QDateTime &dt) const;
};
/**
* @short implements the functions <tt>fn:month-from-dateTime()</tt> and <tt>fn:month-from-date()</tt>.
*
* @ingroup Patternist_functions
* @author Frans Englich <frans.englich@nokia.com>
*/
class MonthFromAbstractDateTimeFN : public ExtractFromDateTimeFN<MonthFromAbstractDateTimeFN>
{
public:
inline Item extract(const QDateTime &dt) const;
};
#include "qdatetimefns.cpp"
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
|