summaryrefslogtreecommitdiff
path: root/src/xmlpatterns/expr/qtemplate_p.h
blob: ae1ca087bf49b38e290f64f801f37674980480e3 (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
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

//
//  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_Template_H
#define Patternist_Template_H

#include <QSharedData>
#include <QVector>

#include "qdynamiccontext_p.h"
#include "qexpression_p.h"
#include "qsourcelocationreflection_p.h"
#include "qtemplateinvoker_p.h"
#include "qvariabledeclaration_p.h"

QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE

namespace QPatternist
{
    /**
     * @short Contains data related to a template.
     *
     * A Template is associated with a mode, by being housed
     * inside a TemplateMode instance.
     *
     * Template has role very similar to UserFunction.
     *
     * @see TemplateMode
     * @see TemplatePattern
     * @see UserFunction
     * @author Frans Englich <frans.englich@nokia.com>
     * @ingroup Patternist_expressions
     * @since 4.5
     */
    class Template : public QSharedData
                   , public SourceLocationReflection

    {
    public:
        typedef QExplicitlySharedDataPointer<Template> Ptr;
        typedef QVector<Template::Ptr> Vector;

        inline Template(const ImportPrecedence ip,
                        const SequenceType::Ptr &reqType) : importPrecedence(ip)
                                                          , m_reqType(reqType)
        {
        }

        Expression::Ptr body;

        /**
         * Returns @c this.
         */
        virtual const SourceLocationReflection* actualReflection() const;

        const ImportPrecedence importPrecedence;

        VariableDeclaration::List templateParameters;

        /**
         * If @p isCallTemplate, the caller is @c xsl:call-template, as opposed
         * to for instance @c xsl:apply-templates. This affects error
         * reporting.
         */
        DynamicContext::Ptr createContext(const TemplateInvoker *const invoker,
                                         const DynamicContext::Ptr &context,
                                         const bool isCallTemplate) const;

        /**
         * Since we have our template parameters in templateParameters, we need
         * this separate step to do the regular phases:
         * Expression::typeCheck(), and Expression::compress().
         */
        void compileParameters(const StaticContext::Ptr &context);

        /**
         * A value which takes into account the body and its template
         * parameters.
         */
        Expression::Properties properties() const;

        Expression::Properties dependencies() const;

        static void raiseXTSE0680(const ReportContext::Ptr &context,
                                  const QXmlName &name,
                                  const SourceLocationReflection *const reflection);

    private:
        DynamicContext::TemplateParameterHash parametersAsHash() const;
        const SequenceType::Ptr m_reqType;
    };
}

QT_END_NAMESPACE
QT_END_HEADER

#endif