source: trunk/src/xmlpatterns/schema/qxsdelement_p.h@ 729

Last change on this file since 729 was 561, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.1 sources.
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[556]1/****************************************************************************
2**
3** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the QtXmlPatterns module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
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21** ensure the GNU Lesser General Public License version 2.1 requirements
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40****************************************************************************/
41
42//
43// W A R N I N G
44// -------------
45//
46// This file is not part of the Qt API. It exists purely as an
47// implementation detail. This header file may change from version to
48// version without notice, or even be removed.
49//
50// We mean it.
51
52#ifndef Patternist_XsdElement_H
53#define Patternist_XsdElement_H
54
55#include "qschemacomponent_p.h"
56#include "qschematype_p.h"
57#include "qxsdalternative_p.h"
58#include "qxsdidentityconstraint_p.h"
59#include "qxsdcomplextype_p.h"
60
61#include <QtCore/QList>
62#include <QtCore/QSet>
63
64QT_BEGIN_HEADER
65
66QT_BEGIN_NAMESPACE
67
68namespace QPatternist
69{
70 /**
71 * @short Represents a XSD element object.
72 *
73 * This class represents the <em>element</em> object of a XML schema as described
74 * <a href="http://www.w3.org/TR/xmlschema11-1/#cElement_Declarations">here</a>.
75 *
76 * It contains information from either a top-level element declaration (as child of a <em>schema</em> object)
77 * or a local element declaration (as descendant of an <em>complexType</em> object).
78 *
79 * @see <a href="http://www.w3.org/Submission/2004/SUBM-xmlschema-api-20040309/xml-schema-api.html#Interface-XSElementDecl">XML Schema API reference</a>
80 * @ingroup Patternist_schema
81 * @author Tobias Koenig <[email protected]>
82 */
83 class XsdElement : public XsdTerm
84 {
85 public:
86 typedef QExplicitlySharedDataPointer<XsdElement> Ptr;
87 typedef QList<XsdElement::Ptr> List;
88
89
90 /**
91 * Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#ed-value_constraint">constraint type</a> of the element.
92 */
93 enum ConstraintType
94 {
95 NoneConstraint, ///< The value of the element has no constraints.
96 DefaultConstraint, ///< The element has a default value set.
97 FixedConstraint ///< The element has a fixed value set.
98 };
99
100 /**
101 * Describes the scope of an element.
102 *
103 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#sc_e">Scope Definition</a>
104 */
105 class Scope : public QSharedData
106 {
107 public:
108 typedef QExplicitlySharedDataPointer<Scope> Ptr;
109
110 /**
111 * Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#ad-scope">scope</a> of an attribute.
112 */
113 enum Variety
114 {
115 Global, ///< The element is defined globally as child of the <em>schema</em> object.
116 Local ///< The element is defined locally as child of a complex type or model group definition.
117 };
118
119 /**
120 * Sets the @p variety of the element scope.
121 */
122 void setVariety(Variety variety);
123
124 /**
125 * Returns the variety of the element scope.
126 */
127 Variety variety() const;
128
129 /**
130 * Sets the @p parent complex type or model group definition of the element scope.
131 */
132 void setParent(const NamedSchemaComponent::Ptr &parent);
133
134 /**
135 * Returns the parent complex type or model group definition of the element scope.
136 */
137 NamedSchemaComponent::Ptr parent() const;
138
139 private:
140 Variety m_variety;
141 NamedSchemaComponent::Ptr m_parent;
142 };
143
144 /**
145 * Describes a type table of an element.
146 *
147 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#tt">Type Table Definition</a>
148 */
149 class TypeTable : public QSharedData
150 {
151 public:
152 typedef QExplicitlySharedDataPointer<TypeTable> Ptr;
153
154 /**
155 * Adds an @p alternative to the type table.
156 */
157 void addAlternative(const XsdAlternative::Ptr &alternative);
158
159 /**
160 * Returns the alternatives of the type table.
161 */
162 XsdAlternative::List alternatives() const;
163
164 /**
165 * Sets the default @p type definition.
166 */
167 void setDefaultTypeDefinition(const XsdAlternative::Ptr &type);
168
169 /**
170 * Returns the default type definition.
171 */
172 XsdAlternative::Ptr defaultTypeDefinition() const;
173
174 private:
175 XsdAlternative::List m_alternatives;
176 XsdAlternative::Ptr m_defaultTypeDefinition;
177 };
178
179
180 /**
181 * Describes the value constraint of an element.
182 *
183 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#vc_e">Value Constraint Definition</a>
184 */
185 class ValueConstraint : public QSharedData
186 {
187 public:
188 typedef QExplicitlySharedDataPointer<ValueConstraint> Ptr;
189
190 /**
191 * Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#ed-value_constraint">value constraint</a> of an element.
192 */
193 enum Variety
194 {
195 Default, ///< The element has a default value set.
196 Fixed ///< The element has a fixed value set.
197 };
198
199 /**
200 * Sets the @p variety of the element value constraint.
201 */
202 void setVariety(Variety variety);
203
204 /**
205 * Returns the variety of the element value constraint.
206 */
207 Variety variety() const;
208
209 /**
210 * Sets the @p value of the constraint.
211 */
212 void setValue(const QString &value);
213
214 /**
215 * Returns the value of the constraint.
216 */
217 QString value() const;
218
219 /**
220 * Sets the lexical @p form of the constraint.
221 */
222 void setLexicalForm(const QString &form);
223
224 /**
225 * Returns the lexical form of the constraint.
226 */
227 QString lexicalForm() const;
228
229 private:
230 Variety m_variety;
231 QString m_value;
232 QString m_lexicalForm;
233 };
234
235 /**
236 * Creates a new element object.
237 */
238 XsdElement();
239
240 /**
241 * Always returns @c true, used to avoid dynamic casts.
242 */
243 virtual bool isElement() const;
244
245 /**
246 * Sets the @p type of the element.
247 *
248 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-type_definition">Type Definition</a>
249 */
250 void setType(const SchemaType::Ptr &type);
251
252 /**
253 * Returns the type of the element.
254 */
255 SchemaType::Ptr type() const;
256
257 /**
258 * Sets the @p scope of the element.
259 *
260 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-scope">Scope Definition</a>
261 */
262 void setScope(const Scope::Ptr &scope);
263
264 /**
265 * Returns the scope of the element.
266 */
267 Scope::Ptr scope() const;
268
269 /**
270 * Sets the value @p constraint of the element.
271 *
272 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-value_constraint">Value Constraint Definition</a>
273 */
274 void setValueConstraint(const ValueConstraint::Ptr &constraint);
275
276 /**
277 * Returns the value constraint of the element.
278 */
279 ValueConstraint::Ptr valueConstraint() const;
280
281 /**
282 * Sets the type table of the element.
283 *
284 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-type_table">Type Table Definition</a>
285 */
286 void setTypeTable(const TypeTable::Ptr &table);
287
288 /**
289 * Returns the type table of the element.
290 */
291 TypeTable::Ptr typeTable() const;
292
293 /**
294 * Sets whether the element is @p abstract.
295 *
296 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-abstract">Abstract Definition</a>
297 */
298 void setIsAbstract(bool abstract);
299
300 /**
301 * Returns whether the element is abstract.
302 */
303 bool isAbstract() const;
304
305 /**
306 * Sets whether the element is @p nillable.
307 *
308 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-nillable">Nillable Definition</a>
309 */
310 void setIsNillable(bool nillable);
311
312 /**
313 * Returns whether the element is nillable.
314 */
315 bool isNillable() const;
316
317 /**
318 * Sets the disallowed @p substitutions of the element.
319 *
320 * Only ExtensionConstraint, RestrictionConstraint and SubstitutionConstraint are allowed.
321 *
322 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-disallowed_substitutions">Disallowed Substitutions Definition</a>
323 */
324 void setDisallowedSubstitutions(const BlockingConstraints &substitutions);
325
326 /**
327 * Returns the disallowed substitutions of the element.
328 */
329 BlockingConstraints disallowedSubstitutions() const;
330
331 /**
332 * Sets the substitution group @p exclusions of the element.
333 *
334 * Only SchemaType::ExtensionConstraint and SchemaType::RestrictionConstraint are allowed.
335 *
336 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-substitution_group_exclusions">Substitution Group Exclusions Definition</a>
337 */
338 void setSubstitutionGroupExclusions(const SchemaType::DerivationConstraints &exclusions);
339
340 /**
341 * Returns the substitution group exclusions of the element.
342 */
343 SchemaType::DerivationConstraints substitutionGroupExclusions() const;
344
345 /**
346 * Sets the identity @p constraints of the element.
347 *
348 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-identity-constraint_definitions">Identity Constraint Definition</a>
349 */
350 void setIdentityConstraints(const XsdIdentityConstraint::List &constraints);
351
352 /**
353 * Adds a new identity @p constraint to the element.
354 */
355 void addIdentityConstraint(const XsdIdentityConstraint::Ptr &constraint);
356
357 /**
358 * Returns a list of all identity constraints of the element.
359 */
360 XsdIdentityConstraint::List identityConstraints() const;
361
362 /**
363 * Sets the substitution group @p affiliations of the element.
364 *
365 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-substituion_group_affiliations">Substitution Group Affiliations</a>
366 */
367 void setSubstitutionGroupAffiliations(const XsdElement::List &affiliations);
368
369 /**
370 * Returns the substitution group affiliations of the element.
371 */
372 XsdElement::List substitutionGroupAffiliations() const;
373
374 /**
375 * Adds a substitution group to the element.
376 */
377 void addSubstitutionGroup(const XsdElement::Ptr &elements);
378
379 /**
380 * Returns the substitution groups of the element.
381 */
382 XsdElement::List substitutionGroups() const;
383
384 private:
385 SchemaType::Ptr m_type;
386 Scope::Ptr m_scope;
387 ValueConstraint::Ptr m_valueConstraint;
388 TypeTable::Ptr m_typeTable;
389 bool m_isAbstract;
390 bool m_isNillable;
391 BlockingConstraints m_disallowedSubstitutions;
392 SchemaType::DerivationConstraints m_substitutionGroupExclusions;
393 XsdIdentityConstraint::List m_identityConstraints;
394 XsdElement::List m_substitutionGroupAffiliations;
395 QSet<XsdElement::Ptr> m_substitutionGroups;
396 };
397}
398
399QT_END_NAMESPACE
400
401QT_END_HEADER
402
403#endif
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