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
|
/****************************************************************************
**
** Copyright (C) 2008 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_XsdIdcHelper_H
#define Patternist_XsdIdcHelper_H
#include "qreportcontext_p.h"
#include "qschematype_p.h"
#include <QtXmlPatterns/QXmlItem>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short A helper class for validating identity constraints.
*
* This class represents a field node from the key-sequence as defined in
* the validation rules at http://www.w3.org/TR/xmlschema11-1/#d0e32243.
*/
class FieldNode
{
public:
/**
* Creates an empty field node.
*/
FieldNode();
/**
* Creates a field node that is bound to a xml node.
*
* @param item The xml node the field is bound to.
* @param data The string content of that field.
* @param type The type that is bound to that field.
*/
FieldNode(const QXmlItem &item, const QString &data, const SchemaType::Ptr &type);
/**
* Returns whether this field is empty.
*
* A field can be empty, if the xpath expression selects an absent attribute
* or element.
*/
bool isEmpty() const;
/**
* Returns whether this field is equal to the @p other field.
*
* Equal means that both have the same type and there content is equal in the
* types value space.
*/
bool isEqualTo(const FieldNode &other, const NamePool::Ptr &namePool, const ReportContext::Ptr &context, const SourceLocationReflection *const reflection) const;
/**
* Returns the xml node item the field is bound to.
*/
QXmlItem item() const;
private:
QXmlItem m_item;
QString m_data;
SchemaType::Ptr m_type;
};
/**
* @short A helper class for validating identity constraints.
*
* This class represents a target or qualified node from the target or qualified
* node set as defined in the validation rules at http://www.w3.org/TR/xmlschema11-1/#d0e32243.
*
* A target node is part of the qualified node set, if all of its fields are not empty.
*/
class TargetNode
{
public:
/**
* Defines a set of target nodes.
*/
typedef QSet<TargetNode> Set;
/**
* Creates a new target node that is bound to the xml node @p item.
*/
explicit TargetNode(const QXmlItem &item);
/**
* Returns the xml node item the target node is bound to.
*/
QXmlItem item() const;
/**
* Returns all xml node items, the fields of that target node are bound to.
*/
QVector<QXmlItem> fieldItems() const;
/**
* Returns the number of fields that are empty.
*/
int emptyFieldsCount() const;
/**
* Returns whether the target node has the same fields as the @p other target node.
*/
bool fieldsAreEqual(const TargetNode &other, const NamePool::Ptr &namePool, const ReportContext::Ptr &context, const SourceLocationReflection *const reflection) const;
/**
* Adds a new field to the target node with the given values.
*/
void addField(const QXmlItem &item, const QString &data, const SchemaType::Ptr &type);
/**
* Returns whether the target node is equal to the @p other target node.
*/
bool operator==(const TargetNode &other) const;
private:
QXmlItem m_item;
QVector<FieldNode> m_fields;
};
/**
* Creates a hash value for the given target @p node.
*/
inline uint qHash(const QPatternist::TargetNode &node)
{
return qHash(node.item().toNodeModelIndex());
}
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
|
