summaryrefslogtreecommitdiffstats
path: root/src/xmlpatterns/functions/qsequencegeneratingfns_p.h
blob: 51742ea1730c7207d2b5464bc0ca5c827705418b (plain)
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
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, Nokia gives you certain
** additional rights.  These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

//
//  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_SequenceGeneratingFNs_H
#define Patternist_SequenceGeneratingFNs_H

#include "qanyuri_p.h"
#include "qcontextnodechecker_p.h"
#include "qstaticbaseuricontainer_p.h"

/**
 * @file
 * @short Contains classes implementing the functions found in
 * <a href="http://www.w3.org/TR/xpath-functions/#fns-that-generate-sequences">XQuery 1.0 and
 * XPath 2.0 Functions and Operators, 15.5 Functions and Operators that Generate Sequences</a>.
 *
 * @ingroup Patternist_functions
 */

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

namespace QPatternist
{
    /**
     * @short Implements the function <tt>fn:id()</tt>.
     *
     * @ingroup Patternist_functions
     * @author Frans Englich <frans.englich@nokia.com>
     */
    class IdFN : public ContextNodeChecker
    {
    public:
        IdFN();
        typedef QPair<DynamicContext::Ptr, const QAbstractXmlNodeModel *> IDContext;

        virtual Item::Iterator::Ptr evaluateSequence(const DynamicContext::Ptr &context) const;

        inline Item mapToItem(const QString &id,
                              const IDContext &context) const;

        virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
                                          const SequenceType::Ptr &reqType);

    private:
        typedef QExplicitlySharedDataPointer<const IdFN> ConstPtr;
        bool m_hasCreatedSorter;
    };

    /**
     * @short Implements the function <tt>fn:idref()</tt>.
     *
     * @ingroup Patternist_functions
     * @author Frans Englich <frans.englich@nokia.com>
     */
    class IdrefFN : public ContextNodeChecker
    {
    public:
        virtual Item::Iterator::Ptr evaluateSequence(const DynamicContext::Ptr &context) const;
    };

    /**
     * @short Implements the function <tt>fn:doc()</tt>.
     *
     * @ingroup Patternist_functions
     * @author Frans Englich <frans.englich@nokia.com>
     */
    class DocFN : public StaticBaseUriContainer
    {
    public:
        virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const;

        /**
         * The implementation of this function is placed in a different compilation unit,
         * namely qsequencefns.cpp, to workaround a compiler bug on
         * solaris-cc-64, suspected to be related to the instantiation of QUrl::toQUrl().
         *
         * @see <a
         * href="http://onesearch.sun.com/search/onesearch/index.jsp?qt=6532605&site=sunsolve&otf=ss&col=support-sunsolve&otf=sunsolve&site=ss&col=search-sunsolve">Sun,
         * multiply-defined label for template instance, bug 6532605</a>
         */
        virtual Expression::Ptr typeCheck(const StaticContext::Ptr &context,
                                          const SequenceType::Ptr &reqType);
        virtual SequenceType::Ptr staticType() const;

    private:
        SequenceType::Ptr m_type;
    };

    /**
     * @short Implements the function <tt>fn:doc-available()</tt>.
     *
     * @ingroup Patternist_functions
     * @author Frans Englich <frans.englich@nokia.com>
     */
    class DocAvailableFN : public StaticBaseUriContainer
    {
    public:
        virtual bool evaluateEBV(const DynamicContext::Ptr &context) const;
    };

    /**
     * @short Implements the function <tt>fn:collection()</tt>.
     *
     * @ingroup Patternist_functions
     * @author Frans Englich <frans.englich@nokia.com>
     */
    class CollectionFN : public FunctionCall
    {
    public:
        virtual Item::Iterator::Ptr evaluateSequence(const DynamicContext::Ptr &context) const;
    };
}

QT_END_NAMESPACE
QT_END_HEADER

#endif