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Diffstat (limited to 'src/xmlpatterns/schema/qxsdidentityconstraint_p.h')
| -rw-r--r-- | src/xmlpatterns/schema/qxsdidentityconstraint_p.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/xmlpatterns/schema/qxsdidentityconstraint_p.h b/src/xmlpatterns/schema/qxsdidentityconstraint_p.h new file mode 100644 index 0000000..6870b1e --- /dev/null +++ b/src/xmlpatterns/schema/qxsdidentityconstraint_p.h @@ -0,0 +1,143 @@ +/**************************************************************************** +** +** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the $MODULE$ of the Qt Toolkit. +** +** $TROLLTECH_DUAL_LICENSE$ +** +****************************************************************************/ + +// +// 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_XsdIdentityConstraint_H +#define Patternist_XsdIdentityConstraint_H + +#include "qnamedschemacomponent_p.h" +#include "qxsdannotated_p.h" +#include "qxsdxpathexpression_p.h" + +#include <QtCore/QStringList> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +namespace QPatternist +{ + /** + * @short Represents a XSD identity constraint object. + * + * This class represents the <em>identity constraint</em> object of a XML schema as described + * <a href="http://www.w3.org/TR/xmlschema11-1/#cIdentity-constraint_Definitions">here</a>. + * + * It contains information from either a <em>key</em> object, a <em>keyref</em> object or an + * <em>unique</em> object. + * + * @see <a href="http://www.w3.org/Submission/2004/SUBM-xmlschema-api-20040309/xml-schema-api.html#Interface-XSIdentityConstraint">XML Schema API reference</a> + * @ingroup Patternist_schema + * @author Tobias Koenig <tobias.koenig@trolltech.com> + */ + class XsdIdentityConstraint : public NamedSchemaComponent, public XsdAnnotated + { + public: + typedef QExplicitlySharedDataPointer<XsdIdentityConstraint> Ptr; + typedef QList<XsdIdentityConstraint::Ptr> List; + + /** + * Describes the <a href="http://www.w3.org/TR/xmlschema11-1/#icd-identity-constraint_category">category</a> of the identity constraint. + */ + enum Category + { + Key = 1, ///< The constraint is a key constraint + KeyReference, ///< The constraint is a keyref constraint + Unique ///< The constraint is an unique constraint + }; + + /** + * Sets the @p category of the identity constraint. + * + * @see Category + */ + void setCategory(Category category); + + /** + * Returns the category of the identity constraint. + */ + Category category() const; + + /** + * Sets the @p selector of the identity constraint. + * + * The selector is a restricted XPath 1.0 expression, + * that selects a set of nodes. + * + * @see <a href="http://www.w3.org/TR/xmlschema11-1/#icd-selector"></a> + */ + void setSelector(const XsdXPathExpression::Ptr &selector); + + /** + * Returns the selector of the identity constraint. + */ + XsdXPathExpression::Ptr selector() const; + + /** + * Sets the @p fields of the identity constraint. + * + * Each field is a restricted XPath 1.0 expression, + * that selects a set of nodes. + * + * @see <a href="http://www.w3.org/TR/xmlschema11-1/#icd-fields"></a> + */ + void setFields(const XsdXPathExpression::List &fields); + + /** + * Adds a new @p field to the identity constraint. + */ + void addField(const XsdXPathExpression::Ptr &field); + + /** + * Returns all fields of the identity constraint. + */ + XsdXPathExpression::List fields() const; + + /** + * Sets the referenced @p key of the identity constraint. + * + * The key points to a identity constraint of type Key or Unique. + * + * The identity constraint has only a referenced key if its + * type is KeyReference. + * + * @see <a href="http://www.w3.org/TR/xmlschema11-1/#icd-referenced_key"></a> + */ + void setReferencedKey(const XsdIdentityConstraint::Ptr &key); + + /** + * Returns the referenced key of the identity constraint or an empty + * pointer if its type is not KeyReference. + */ + XsdIdentityConstraint::Ptr referencedKey() const; + + private: + Category m_category; + XsdXPathExpression::Ptr m_selector; + XsdXPathExpression::List m_fields; + XsdIdentityConstraint::Ptr m_referencedKey; + }; +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |