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
|
/****************************************************************************
**
** 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_XsdSchemaHelper_H
#define Patternist_XsdSchemaHelper_H
#include "qcomparisonfactory_p.h"
#include "qschematype_p.h"
#include "qxsdattributegroup_p.h"
#include "qxsdelement_p.h"
#include "qxsdparticle_p.h"
#include "qxsdschemacontext_p.h"
#include "qxsdwildcard_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Contains helper methods that are used by XsdSchemaParser, XsdSchemaResolver and XsdSchemaChecker.
*
* @ingroup Patternist_schema
* @author Tobias Koenig <tobias.koenig@nokia.com>
*/
class XsdSchemaHelper
{
public:
/**
* Checks whether the given @p particle is emptiable as defined by the
* algorithm in the schema spec.
*/
static bool isParticleEmptiable(const XsdParticle::Ptr &particle);
/**
* Checks whether the given @p nameSpace is allowed by the given namespace @p constraint.
*/
static bool wildcardAllowsNamespaceName(const QString &nameSpace,
const XsdWildcard::NamespaceConstraint::Ptr &constraint);
/**
* Checks whether the given @p name is allowed by the namespace constraint of the given @p wildcard.
*/
static bool wildcardAllowsExpandedName(const QXmlName &name,
const XsdWildcard::Ptr &wildcard,
const NamePool::Ptr &namePool);
/**
* Checks whether the @p wildcard is a subset of @p otherWildcard.
*/
static bool isWildcardSubset(const XsdWildcard::Ptr &wildcard, const XsdWildcard::Ptr &otherWildcard);
/**
* Returns the union of the given @p wildcard and @p otherWildcard.
*/
static XsdWildcard::Ptr wildcardUnion(const XsdWildcard::Ptr &wildcard, const XsdWildcard::Ptr &otherWildcard);
/**
* Returns the intersection of the given @p wildcard and @p otherWildcard.
*/
static XsdWildcard::Ptr wildcardIntersection(const XsdWildcard::Ptr &wildcard,
const XsdWildcard::Ptr &otherWildcard);
/**
* Returns whether the given @p type is validly substitutable for an @p otherType
* under the given @p constraints.
*/
static bool isValidlySubstitutable(const SchemaType::Ptr &type,
const SchemaType::Ptr &otherType,
const SchemaType::DerivationConstraints &constraints);
/**
* Returns whether the simple @p derivedType can be derived from the simple @p baseType
* under the given @p constraints.
*/
static bool isSimpleDerivationOk(const SchemaType::Ptr &derivedType,
const SchemaType::Ptr &baseType,
const SchemaType::DerivationConstraints &constraints);
/**
* Returns whether the complex @p derivedType can be derived from the complex @p baseType
* under the given @p constraints.
*/
static bool isComplexDerivationOk(const SchemaType::Ptr &derivedType,
const SchemaType::Ptr &baseType,
const SchemaType::DerivationConstraints &constraints);
/**
* This method takes the two string based operands @p operand1 and @p operand2 and converts them to instances of type @p type.
* If the conversion fails, @c false is returned, otherwise the instances are compared by the given operator @p op and the
* result of the comparison is returned.
*/
static bool constructAndCompare(const DerivedString<TypeString>::Ptr &operand1,
const AtomicComparator::Operator op,
const DerivedString<TypeString>::Ptr &operand2,
const SchemaType::Ptr &type,
const ReportContext::Ptr &context,
const SourceLocationReflection *const sourceLocationReflection);
/**
* Returns whether the process content property of the @p derivedWildcard is valid
* according to the process content property of its @p baseWildcard.
*/
static bool checkWildcardProcessContents(const XsdWildcard::Ptr &baseWildcard,
const XsdWildcard::Ptr &derivedWildcard);
/**
* Checks whether @[ member is a member of the substitution group with the given @p head.
*/
static bool foundSubstitutionGroupTransitive(const XsdElement::Ptr &head,
const XsdElement::Ptr &member,
QSet<XsdElement::Ptr> &visitedElements);
/**
* A helper method that iterates over the type hierarchy from @p memberType up to @p headType and collects all
* @p derivationSet and @p blockSet constraints that exists on the way there.
*/
static void foundSubstitutionGroupTypeInheritance(const SchemaType::Ptr &headType,
const SchemaType::Ptr &memberType,
QSet<SchemaType::DerivationMethod> &derivationSet,
NamedSchemaComponent::BlockingConstraints &blockSet);
/**
* Checks if the @p member is transitive to @p head.
*/
static bool substitutionGroupOkTransitive(const XsdElement::Ptr &head,
const XsdElement::Ptr &member,
const NamePool::Ptr &namePool);
/**
* Checks if @p derivedAttributeGroup is a valid restriction for @p attributeGroup.
*/
static bool isValidAttributeGroupRestriction(const XsdAttributeGroup::Ptr &derivedAttributeGroup,
const XsdAttributeGroup::Ptr &attributeGroup,
const XsdSchemaContext::Ptr &context,
QString &errorMsg);
/**
* Checks if @p derivedAttributeUses are a valid restriction for @p attributeUses.
*/
static bool isValidAttributeUsesRestriction(const XsdAttributeUse::List &derivedAttributeUses,
const XsdAttributeUse::List &attributeUses,
const XsdWildcard::Ptr &derivedWildcard,
const XsdWildcard::Ptr &wildcard,
const XsdSchemaContext::Ptr &context,
QString &errorMsg);
/**
* Checks if @p derivedAttributeUses are a valid extension for @p attributeUses.
*/
static bool isValidAttributeUsesExtension(const XsdAttributeUse::List &derivedAttributeUses,
const XsdAttributeUse::List &attributeUses,
const XsdWildcard::Ptr &derivedWildcard,
const XsdWildcard::Ptr &wildcard,
const XsdSchemaContext::Ptr &context,
QString &errorMsg);
private:
Q_DISABLE_COPY(XsdSchemaHelper)
};
}
QT_END_NAMESPACE
QT_END_HEADER
#endif
|
