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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_XsdAttribute_H
53 #define Patternist_XsdAttribute_H
54 
55 #include "qanysimpletype_p.h"
56 #include "qnamedschemacomponent_p.h"
57 #include "qxsdannotated_p.h"
58 
59 #include <QtCore/QList>
60 
61 QT_BEGIN_HEADER
62 
63 QT_BEGIN_NAMESPACE
64 
65 namespace QPatternist
66 {
67     /**
68      * @short Represents a XSD attribute object.
69      *
70      * This class represents the <em>attribute</em> object of a XML schema as described
71      * <a href="http://www.w3.org/TR/xmlschema11-1/#cAttribute_Declarations">here</a>.
72      *
73      * It contains information from either a top-level attribute declaration (as child of
74      * a <em>schema</em> object) or of a local attribute declaration (as child of <em>complexType</em>
75      * or <em>attributeGroup</em> object without a 'ref' attribute).
76      *
77      * All other occurrences of the <em>attribute</em> object are represented by the XsdAttributeUse class.
78      *
79      * @see <a href="http://www.w3.org/Submission/2004/SUBM-xmlschema-api-20040309/xml-schema-api.html#Interface-XSAttributeDeclaration">XML Schema API reference</a>
80      * @ingroup Patternist_schema
81      * @author Tobias Koenig <tobias.koenig@nokia.com>
82      */
83     class XsdAttribute : public NamedSchemaComponent, public XsdAnnotated
84     {
85         public:
86             typedef QExplicitlySharedDataPointer<XsdAttribute> Ptr;
87             typedef QList<XsdAttribute::Ptr> List;
88 
89             /**
90              * @short Describes the scope of an attribute.
91              *
92              * @see <a href="http://www.w3.org/TR/xmlschema11-1/#sc_a">Scope Definition</a>
93              */
94             class Scope : public QSharedData
95             {
96                 public:
97                     typedef QExplicitlySharedDataPointer<Scope> Ptr;
98 
99                     /**
100                      * Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#ad-scope">scope</a> of an attribute.
101                      */
102                     enum Variety
103                     {
104                         Global,    ///< The attribute is defined globally as child of the <em>schema</em> object.
105                         Local      ///< The attribute is defined locally as child of a complex type or attribute group definition.
106                     };
107 
108                     /**
109                      * Sets the @p variety of the attribute scope.
110                      *
111                      * @see <a href="http://www.w3.org/TR/xmlschema11-1/#sc_a-variety">Variety Definition</a>
112                      */
113                     void setVariety(Variety variety);
114 
115                     /**
116                      * Returns the variety of the attribute scope.
117                      */
118                     Variety variety() const;
119 
120                     /**
121                      * Sets the @p parent complex type or attribute group definition of the attribute scope.
122                      *
123                      * @see <a href="http://www.w3.org/TR/xmlschema11-1/#sc_a-parent">Parent Definition</a>
124                      */
125                     void setParent(const NamedSchemaComponent::Ptr &parent);
126 
127                     /**
128                      * Returns the parent complex type or attribute group definition of the attribute scope.
129                      */
130                     NamedSchemaComponent::Ptr parent() const;
131 
132                 private:
133                     Variety                   m_variety;
134                     NamedSchemaComponent      *m_parent;
135             };
136 
137 
138             /**
139              * @short Describes the value constraint of an attribute.
140              *
141              * @see <a href="http://www.w3.org/TR/xmlschema11-1/#vc_a">Value Constraint Definition</a>
142              */
143             class ValueConstraint : public QSharedData
144             {
145                 public:
146                     typedef QExplicitlySharedDataPointer<ValueConstraint> Ptr;
147 
148                     /**
149                      * Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#ad-value_constraint">value constraint</a> of an attribute.
150                      */
151                     enum Variety
152                     {
153                         Default,  ///< The attribute has a default value set.
154                         Fixed     ///< The attribute has a fixed value set.
155                     };
156 
157                     /**
158                      * Sets the @p variety of the attribute value constraint.
159                      *
160                      * @see <a href="http://www.w3.org/TR/xmlschema11-1/#vc_a-variety">Variety Definition</a>
161                      */
162                     void setVariety(Variety variety);
163 
164                     /**
165                      * Returns the variety of the attribute value constraint.
166                      */
167                     Variety variety() const;
168 
169                     /**
170                      * Sets the @p value of the constraint.
171                      *
172                      * @see <a href="http://www.w3.org/TR/xmlschema11-1/#vc_a-value">Value Definition</a>
173                      */
174                     void setValue(const QString &value);
175 
176                     /**
177                      * Returns the value of the constraint.
178                      */
179                     QString value() const;
180 
181                     /**
182                      * Sets the lexical @p form of the constraint.
183                      *
184                      * @see <a href="http://www.w3.org/TR/xmlschema11-1/#vc_a-lexical_form">Lexical Form Definition</a>
185                      */
186                     void setLexicalForm(const QString &form);
187 
188                     /**
189                      * Returns the lexical form of the constraint.
190                      */
191                     QString lexicalForm() const;
192 
193                 private:
194                     Variety m_variety;
195                     QString m_value;
196                     QString m_lexicalForm;
197             };
198 
199             /**
200              * Sets the simple @p type definition of the attribute.
201              *
202              * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ad-type_definition">Simple Type Definition</a>
203              */
204             void setType(const AnySimpleType::Ptr &type);
205 
206             /**
207              * Returns the simple type definition of the attribute.
208              */
209             AnySimpleType::Ptr type() const;
210 
211             /**
212              * Sets the @p scope of the attribute.
213              *
214              * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ad-scope">Scope Definition</a>
215              */
216             void setScope(const Scope::Ptr &scope);
217 
218             /**
219              * Returns the scope of the attribute.
220              */
221             Scope::Ptr scope() const;
222 
223             /**
224              * Sets the value @p constraint of the attribute.
225              *
226              * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ad-value_constraint">Value Constraint Definition</a>
227              */
228             void setValueConstraint(const ValueConstraint::Ptr &constraint);
229 
230             /**
231              * Returns the value constraint of the attribute.
232              */
233             ValueConstraint::Ptr valueConstraint() const;
234 
235         private:
236             AnySimpleType::Ptr   m_type;
237             Scope::Ptr           m_scope;
238             ValueConstraint::Ptr m_valueConstraint;
239     };
240 }
241 
242 QT_END_NAMESPACE
243 
244 QT_END_HEADER
245 
246 #endif
247