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
|
/****************************************************************************
**
** Copyright (C) 2009 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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_TemplatePattern_H
#define Patternist_TemplatePattern_H
#include "qtemplate_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Houses the data necessary for a template pattern.
*
* A template pattern is the match pattern, but have had each operand to @c
* | separated out into a separate TemplatePattern. For instance, the
* pattern <tt>a | b | c</tt>, becomes three separate TemplatePattern
* instances.
*
* @see TemplateMode
* @see Template
* @author Frans Englich <frans.englich@nokia.com>
* @ingroup Patternist_expressions
* @since 4.5
*/
class TemplatePattern : public QSharedData
{
public:
typedef QExplicitlySharedDataPointer<TemplatePattern> Ptr;
typedef QVector<Ptr> Vector;
typedef int ID;
inline TemplatePattern(const Expression::Ptr &matchPattern,
const PatternPriority pri,
const ID id,
const Template::Ptr templ);
inline PatternPriority priority() const;
inline const Expression::Ptr &matchPattern() const;
inline void setMatchPattern(const Expression::Ptr &pattern);
inline const Template::Ptr &templateTarget() const;
inline ID id() const;
/**
* This ID is used to ensure that, as 6.4 Conflict Resolution for
* Template Rules reads:
*
* "If the pattern contains multiple alternatives separated by |, then
* the template rule is treated equivalently to a set of template
* rules, one for each alternative. However, it is not an error if a
* node matches more than one of the alternatives."
*
* For patterns separated by @c |, we have one Template instance for
* each alternative, but they all have the same ID, hence if several
* alternatives match, we don't flag it as an error if they have the
* same ID.
*/
private:
Expression::Ptr m_matchPattern;
PatternPriority m_priority;
ID m_id;
Template::Ptr m_templateTarget;
Q_DISABLE_COPY(TemplatePattern)
};
TemplatePattern::TemplatePattern(const Expression::Ptr &matchPattern,
const PatternPriority pri,
const ID id,
const Template::Ptr templ) : m_matchPattern(matchPattern)
, m_priority(pri)
, m_id(id)
, m_templateTarget(templ)
{
Q_ASSERT(m_matchPattern);
Q_ASSERT(m_templateTarget);
}
const Expression::Ptr &TemplatePattern::matchPattern() const
{
return m_matchPattern;
}
void TemplatePattern::setMatchPattern(const Expression::Ptr &pattern)
{
m_matchPattern = pattern;
}
PatternPriority TemplatePattern::priority() const
{
return m_priority;
}
TemplatePattern::ID TemplatePattern::id() const
{
return m_id;
}
const Template::Ptr &TemplatePattern::templateTarget() const
{
return m_templateTarget;
}
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
|
