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/****************************************************************************
**
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** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
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** rights. These rights are described in the Nokia Qt LGPL Exception
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**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
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****************************************************************************/
//
// 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_XsdElement_H
#define Patternist_XsdElement_H
#include "qschemacomponent_p.h"
#include "qschematype_p.h"
#include "qxsdalternative_p.h"
#include "qxsdidentityconstraint_p.h"
#include "qxsdcomplextype_p.h"
#include <QtCore/QList>
#include <QtCore/QSet>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
namespace QPatternist
{
/**
* @short Represents a XSD element object.
*
* This class represents the <em>element</em> object of a XML schema as described
* <a href="http://www.w3.org/TR/xmlschema11-1/#cElement_Declarations">here</a>.
*
* It contains information from either a top-level element declaration (as child of a <em>schema</em> object)
* or a local element declaration (as descendant of an <em>complexType</em> object).
*
* @see <a href="http://www.w3.org/Submission/2004/SUBM-xmlschema-api-20040309/xml-schema-api.html#Interface-XSElementDecl">XML Schema API reference</a>
* @ingroup Patternist_schema
* @author Tobias Koenig <tobias.koenig@nokia.com>
*/
class XsdElement : public XsdTerm
{
public:
typedef QExplicitlySharedDataPointer<XsdElement> Ptr;
typedef QList<XsdElement::Ptr> List;
/**
* Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#ed-value_constraint">constraint type</a> of the element.
*/
enum ConstraintType
{
NoneConstraint, ///< The value of the element has no constraints.
DefaultConstraint, ///< The element has a default value set.
FixedConstraint ///< The element has a fixed value set.
};
/**
* Describes the scope of an element.
*
* @see <a href="http://www.w3.org/TR/xmlschema11-1/#sc_e">Scope Definition</a>
*/
class Scope : public QSharedData
{
public:
typedef QExplicitlySharedDataPointer<Scope> Ptr;
/**
* Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#ad-scope">scope</a> of an attribute.
*/
enum Variety
{
Global, ///< The element is defined globally as child of the <em>schema</em> object.
Local ///< The element is defined locally as child of a complex type or model group definition.
};
/**
* Sets the @p variety of the element scope.
*/
void setVariety(Variety variety);
/**
* Returns the variety of the element scope.
*/
Variety variety() const;
/**
* Sets the @p parent complex type or model group definition of the element scope.
*/
void setParent(const NamedSchemaComponent::Ptr &parent);
/**
* Returns the parent complex type or model group definition of the element scope.
*/
NamedSchemaComponent::Ptr parent() const;
private:
Variety m_variety;
NamedSchemaComponent::Ptr m_parent;
};
/**
* Describes a type table of an element.
*
* @see <a href="http://www.w3.org/TR/xmlschema11-1/#tt">Type Table Definition</a>
*/
class TypeTable : public QSharedData
{
public:
typedef QExplicitlySharedDataPointer<TypeTable> Ptr;
/**
* Adds an @p alternative to the type table.
*/
void addAlternative(const XsdAlternative::Ptr &alternative);
/**
* Returns the alternatives of the type table.
*/
XsdAlternative::List alternatives() const;
/**
* Sets the default @p type definition.
*/
void setDefaultTypeDefinition(const XsdAlternative::Ptr &type);
/**
* Returns the default type definition.
*/
XsdAlternative::Ptr defaultTypeDefinition() const;
private:
XsdAlternative::List m_alternatives;
XsdAlternative::Ptr m_defaultTypeDefinition;
};
/**
* Describes the value constraint of an element.
*
* @see <a href="http://www.w3.org/TR/xmlschema11-1/#vc_e">Value Constraint Definition</a>
*/
class ValueConstraint : public QSharedData
{
public:
typedef QExplicitlySharedDataPointer<ValueConstraint> Ptr;
/**
* Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#ed-value_constraint">value constraint</a> of an element.
*/
enum Variety
{
Default, ///< The element has a default value set.
Fixed ///< The element has a fixed value set.
};
/**
* Sets the @p variety of the element value constraint.
*/
void setVariety(Variety variety);
/**
* Returns the variety of the element value constraint.
*/
Variety variety() const;
/**
* Sets the @p value of the constraint.
*/
void setValue(const QString &value);
/**
* Returns the value of the constraint.
*/
QString value() const;
/**
* Sets the lexical @p form of the constraint.
*/
void setLexicalForm(const QString &form);
/**
* Returns the lexical form of the constraint.
*/
QString lexicalForm() const;
private:
Variety m_variety;
QString m_value;
QString m_lexicalForm;
};
/**
* Creates a new element object.
*/
XsdElement();
/**
* Always returns @c true, used to avoid dynamic casts.
*/
virtual bool isElement() const;
/**
* Sets the @p type of the element.
*
* @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-type_definition">Type Definition</a>
*/
void setType(const SchemaType::Ptr &type);
/**
* Returns the type of the element.
*/
SchemaType::Ptr type() const;
/**
* Sets the @p scope of the element.
*
* @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-scope">Scope Definition</a>
*/
void setScope(const Scope::Ptr &scope);
/**
* Returns the scope of the element.
*/
Scope::Ptr scope() const;
/**
* Sets the value @p constraint of the element.
*
* @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-value_constraint">Value Constraint Definition</a>
*/
void setValueConstraint(const ValueConstraint::Ptr &constraint);
/**
* Returns the value constraint of the element.
*/
ValueConstraint::Ptr valueConstraint() const;
/**
* Sets the type table of the element.
*
* @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-type_table">Type Table Definition</a>
*/
void setTypeTable(const TypeTable::Ptr &table);
/**
* Returns the type table of the element.
*/
TypeTable::Ptr typeTable() const;
/**
* Sets whether the element is @p abstract.
*
* @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-abstract">Abstract Definition</a>
*/
void setIsAbstract(bool abstract);
/**
* Returns whether the element is abstract.
*/
bool isAbstract() const;
/**
* Sets whether the element is @p nillable.
*
* @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-nillable">Nillable Definition</a>
*/
void setIsNillable(bool nillable);
/**
* Returns whether the element is nillable.
*/
bool isNillable() const;
/**
* Sets the disallowed @p substitutions of the element.
*
* Only ExtensionConstraint, RestrictionConstraint and SubstitutionConstraint are allowed.
*
* @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-disallowed_substitutions">Disallowed Substitutions Definition</a>
*/
void setDisallowedSubstitutions(const BlockingConstraints &substitutions);
/**
* Returns the disallowed substitutions of the element.
*/
BlockingConstraints disallowedSubstitutions() const;
/**
* Sets the substitution group @p exclusions of the element.
*
* Only SchemaType::ExtensionConstraint and SchemaType::RestrictionConstraint are allowed.
*
* @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-substitution_group_exclusions">Substitution Group Exclusions Definition</a>
*/
void setSubstitutionGroupExclusions(const SchemaType::DerivationConstraints &exclusions);
/**
* Returns the substitution group exclusions of the element.
*/
SchemaType::DerivationConstraints substitutionGroupExclusions() const;
/**
* Sets the identity @p constraints of the element.
*
* @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-identity-constraint_definitions">Identity Constraint Definition</a>
*/
void setIdentityConstraints(const XsdIdentityConstraint::List &constraints);
/**
* Adds a new identity @p constraint to the element.
*/
void addIdentityConstraint(const XsdIdentityConstraint::Ptr &constraint);
/**
* Returns a list of all identity constraints of the element.
*/
XsdIdentityConstraint::List identityConstraints() const;
/**
* Sets the substitution group @p affiliations of the element.
*
* @see <a href="http://www.w3.org/TR/xmlschema11-1/#ed-substituion_group_affiliations">Substitution Group Affiliations</a>
*/
void setSubstitutionGroupAffiliations(const XsdElement::List &affiliations);
/**
* Returns the substitution group affiliations of the element.
*/
XsdElement::List substitutionGroupAffiliations() const;
/**
* Adds a substitution group to the element.
*/
void addSubstitutionGroup(const XsdElement::Ptr &elements);
/**
* Returns the substitution groups of the element.
*/
XsdElement::List substitutionGroups() const;
private:
SchemaType::Ptr m_type;
Scope::Ptr m_scope;
ValueConstraint::Ptr m_valueConstraint;
TypeTable::Ptr m_typeTable;
bool m_isAbstract;
bool m_isNillable;
BlockingConstraints m_disallowedSubstitutions;
SchemaType::DerivationConstraints m_substitutionGroupExclusions;
XsdIdentityConstraint::List m_identityConstraints;
XsdElement::List m_substitutionGroupAffiliations;
QSet<XsdElement::Ptr> m_substitutionGroups;
};
}
QT_END_NAMESPACE
QT_END_HEADER
#endif