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39 
40 //
41 //  W A R N I N G
42 //  -------------
43 //
44 // This file is not part of the Qt API.  It exists purely as an
45 // implementation detail.  This header file may change from version to
46 // version without notice, or even be removed.
47 //
48 // We mean it.
49 
50 #ifndef Patternist_XsdAttribute_H
51 #define Patternist_XsdAttribute_H
52 
53 #include <private/qanysimpletype_p.h>
54 #include <private/qnamedschemacomponent_p.h>
55 #include <private/qxsdannotated_p.h>
56 
57 #include <QtCore/QList>
58 
59 QT_BEGIN_NAMESPACE
60 
61 namespace QPatternist
62 {
63     /**
64      * @short Represents a XSD attribute object.
65      *
66      * This class represents the <em>attribute</em> object of a XML schema as described
67      * <a href="http://www.w3.org/TR/xmlschema11-1/#cAttribute_Declarations">here</a>.
68      *
69      * It contains information from either a top-level attribute declaration (as child of
70      * a <em>schema</em> object) or of a local attribute declaration (as child of <em>complexType</em>
71      * or <em>attributeGroup</em> object without a 'ref' attribute).
72      *
73      * All other occurrences of the <em>attribute</em> object are represented by the XsdAttributeUse class.
74      *
75      * @see <a href="http://www.w3.org/Submission/2004/SUBM-xmlschema-api-20040309/xml-schema-api.html#Interface-XSAttributeDeclaration">XML Schema API reference</a>
76      * @ingroup Patternist_schema
77      * @author Tobias Koenig <tobias.koenig@nokia.com>
78      */
79     class XsdAttribute : public NamedSchemaComponent, public XsdAnnotated
80     {
81         public:
82             typedef QExplicitlySharedDataPointer<XsdAttribute> Ptr;
83             typedef QList<XsdAttribute::Ptr> List;
84 
85             /**
86              * @short Describes the scope of an attribute.
87              *
88              * @see <a href="http://www.w3.org/TR/xmlschema11-1/#sc_a">Scope Definition</a>
89              */
90             class Scope : public QSharedData
91             {
92                 public:
93                     typedef QExplicitlySharedDataPointer<Scope> Ptr;
94 
95                     /**
96                      * Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#ad-scope">scope</a> of an attribute.
97                      */
98                     enum Variety
99                     {
100                         Global,    ///< The attribute is defined globally as child of the <em>schema</em> object.
101                         Local      ///< The attribute is defined locally as child of a complex type or attribute group definition.
102                     };
103 
104                     /**
105                      * Sets the @p variety of the attribute scope.
106                      *
107                      * @see <a href="http://www.w3.org/TR/xmlschema11-1/#sc_a-variety">Variety Definition</a>
108                      */
109                     void setVariety(Variety variety);
110 
111                     /**
112                      * Returns the variety of the attribute scope.
113                      */
114                     Variety variety() const;
115 
116                     /**
117                      * Sets the @p parent complex type or attribute group definition of the attribute scope.
118                      *
119                      * @see <a href="http://www.w3.org/TR/xmlschema11-1/#sc_a-parent">Parent Definition</a>
120                      */
121                     void setParent(const NamedSchemaComponent::Ptr &parent);
122 
123                     /**
124                      * Returns the parent complex type or attribute group definition of the attribute scope.
125                      */
126                     NamedSchemaComponent::Ptr parent() const;
127 
128                 private:
129                     Variety                   m_variety;
130                     NamedSchemaComponent::Ptr m_parent;
131             };
132 
133 
134             /**
135              * @short Describes the value constraint of an attribute.
136              *
137              * @see <a href="http://www.w3.org/TR/xmlschema11-1/#vc_a">Value Constraint Definition</a>
138              */
139             class ValueConstraint : public QSharedData
140             {
141                 public:
142                     typedef QExplicitlySharedDataPointer<ValueConstraint> Ptr;
143 
144                     /**
145                      * Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#ad-value_constraint">value constraint</a> of an attribute.
146                      */
147                     enum Variety
148                     {
149                         Default,  ///< The attribute has a default value set.
150                         Fixed     ///< The attribute has a fixed value set.
151                     };
152 
153                     /**
154                      * Sets the @p variety of the attribute value constraint.
155                      *
156                      * @see <a href="http://www.w3.org/TR/xmlschema11-1/#vc_a-variety">Variety Definition</a>
157                      */
158                     void setVariety(Variety variety);
159 
160                     /**
161                      * Returns the variety of the attribute value constraint.
162                      */
163                     Variety variety() const;
164 
165                     /**
166                      * Sets the @p value of the constraint.
167                      *
168                      * @see <a href="http://www.w3.org/TR/xmlschema11-1/#vc_a-value">Value Definition</a>
169                      */
170                     void setValue(const QString &value);
171 
172                     /**
173                      * Returns the value of the constraint.
174                      */
175                     QString value() const;
176 
177                     /**
178                      * Sets the lexical @p form of the constraint.
179                      *
180                      * @see <a href="http://www.w3.org/TR/xmlschema11-1/#vc_a-lexical_form">Lexical Form Definition</a>
181                      */
182                     void setLexicalForm(const QString &form);
183 
184                     /**
185                      * Returns the lexical form of the constraint.
186                      */
187                     QString lexicalForm() const;
188 
189                 private:
190                     Variety m_variety;
191                     QString m_value;
192                     QString m_lexicalForm;
193             };
194 
195             /**
196              * Sets the simple @p type definition of the attribute.
197              *
198              * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ad-type_definition">Simple Type Definition</a>
199              */
200             void setType(const AnySimpleType::Ptr &type);
201 
202             /**
203              * Returns the simple type definition of the attribute.
204              */
205             AnySimpleType::Ptr type() const;
206 
207             /**
208              * Sets the @p scope of the attribute.
209              *
210              * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ad-scope">Scope Definition</a>
211              */
212             void setScope(const Scope::Ptr &scope);
213 
214             /**
215              * Returns the scope of the attribute.
216              */
217             Scope::Ptr scope() const;
218 
219             /**
220              * Sets the value @p constraint of the attribute.
221              *
222              * @see <a href="http://www.w3.org/TR/xmlschema11-1/#ad-value_constraint">Value Constraint Definition</a>
223              */
224             void setValueConstraint(const ValueConstraint::Ptr &constraint);
225 
226             /**
227              * Returns the value constraint of the attribute.
228              */
229             ValueConstraint::Ptr valueConstraint() const;
230 
231         private:
232             AnySimpleType::Ptr   m_type;
233             Scope::Ptr           m_scope;
234             ValueConstraint::Ptr m_valueConstraint;
235     };
236 }
237 
238 QT_END_NAMESPACE
239 
240 #endif
241