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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.
52 #ifndef Patternist_XsdAttributeUse_H
53 #define Patternist_XsdAttributeUse_H
55 #include <private/qxsdattribute_p.h>
56 #include <private/qxsdattributeterm_p.h>
58 #include <QtCore/QList>
67 * @short Represents a XSD attribute use object.
69 * This class represents the <em>attribute use</em> object of a XML schema as described
70 * <a href="http://www.w3.org/TR/xmlschema11-1/#cAttributeUse">here</a>.
72 * It contains information from a local attribute declaration (as child of <em>complexType</em>
73 * or <em>attributeGroup</em> object).
75 * All other occurrences of the <em>attribute</em> object are represented by the XsdAttribute class.
77 * @see <a href="http://www.w3.org/Submission/2004/SUBM-xmlschema-api-20040309/xml-schema-api.html#Interface-XSAttributeUse">XML Schema API reference</a>
78 * @ingroup Patternist_schema
79 * @author Tobias Koenig <tobias.koenig@nokia.com>
81 class XsdAttributeUse : public XsdAttributeTerm
84 typedef QExplicitlySharedDataPointer<XsdAttributeUse> Ptr;
85 typedef QList<XsdAttributeUse::Ptr> List;
88 * Describes the value constraint of an attribute use.
90 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#vc_au">Value Constraint Definition</a>
92 class ValueConstraint : public QSharedData
95 typedef QExplicitlySharedDataPointer<ValueConstraint> Ptr;
98 * Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#au-value_constraint">value constraint</a> of an attribute use.
102 Default, ///< The attribute use has a default value set.
103 Fixed ///< The attribute use has a fixed value set.
107 * Sets the @p variety of the attribute use value constraint.
109 void setVariety(Variety variety);
112 * Returns the variety of the attribute use value constraint.
114 Variety variety() const;
117 * Sets the @p value of the constraint.
119 void setValue(const QString &value);
122 * Returns the value of the constraint.
124 QString value() const;
127 * Sets the lexical @p form of the constraint.
129 void setLexicalForm(const QString &form);
132 * Returns the lexical form of the constraint.
134 QString lexicalForm() const;
137 * Creates a new value constraint from a XsdAttribute::ValueConstraint.
139 static ValueConstraint::Ptr fromAttributeValueConstraint(const XsdAttribute::ValueConstraint::Ptr &constraint);
144 QString m_lexicalForm;
148 * Describes the use type of the attribute use.
152 OptionalUse, ///< The attribute can be there but doesn't need to.
153 RequiredUse, ///< The attribute must be there.
154 ProhibitedUse ///< The attribute is not allowed to be there.
158 * Creates a new attribute use object.
163 * Always returns true, used to avoid dynamic casts.
165 virtual bool isAttributeUse() const;
168 * Sets the use @p type of the attribute use.
172 void setUseType(UseType type);
175 * Returns the use type of the attribute use.
177 UseType useType() const;
180 * Returns whether the attribute use is required.
182 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#au-required">Required Definition</a>
184 bool isRequired() const;
187 * Sets the @p attribute the attribute use is referring to.
188 * That is either a local definition as child of a complexType
189 * or attributeGroup object, or a reference defined by the
192 * @see <a href="http://www.w3.org/TR/xmlschema11-1/#au-attribute_declaration">Attribute Declaration</a>
194 void setAttribute(const XsdAttribute::Ptr &attribute);
197 * Returns the attribute the attribute use is referring to.
199 XsdAttribute::Ptr attribute() const;
202 * Sets the value @p constraint of the attribute use.
204 * @see http://www.w3.org/TR/xmlschema11-1/#vc_au
206 void setValueConstraint(const ValueConstraint::Ptr &constraint);
209 * Returns the value constraint of the attribute use.
211 ValueConstraint::Ptr valueConstraint() const;
215 XsdAttribute::Ptr m_attribute;
216 ValueConstraint::Ptr m_valueConstraint;