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Diffstat (limited to 'src/xmlpatterns/schema/qxsdschemachecker_p.h')
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diff --git a/src/xmlpatterns/schema/qxsdschemachecker_p.h b/src/xmlpatterns/schema/qxsdschemachecker_p.h new file mode 100644 index 0000000000..843f90929d --- /dev/null +++ b/src/xmlpatterns/schema/qxsdschemachecker_p.h @@ -0,0 +1,284 @@ +/**************************************************************************** +** +** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtXmlPatterns of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** 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 and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://www.qtsoftware.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// 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_XsdSchemaChecker_H +#define Patternist_XsdSchemaChecker_H + +#include "qschematype_p.h" +#include "qxsdattribute_p.h" +#include "qxsdattributegroup_p.h" +#include "qxsdelement_p.h" +#include "qxsdmodelgroup_p.h" +#include "qxsdnotation_p.h" +#include "qxsdschema_p.h" +#include "qxsdsimpletype_p.h" + +#include <QtCore/QExplicitlySharedDataPointer> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +namespace QPatternist +{ + class XsdSchemaContext; + class XsdSchemaParserContext; + + /** + * @short Encapsulates the checking of schema valitity after reference resolving has finished. + * + * @ingroup Patternist_schema + * @author Tobias Koenig <tobias.koenig@trolltech.com> + */ + class XsdSchemaChecker : public QSharedData + { + public: + typedef QExplicitlySharedDataPointer<XsdSchemaChecker> Ptr; + + /** + * Creates a new schema checker. + * + * @param context The context that is used for customization. + * @param parserContext The context that contains all the data structures. + */ + XsdSchemaChecker(const QExplicitlySharedDataPointer<XsdSchemaContext> &context, const XsdSchemaParserContext *parserContext); + + /** + * Destroys the schema checker. + */ + ~XsdSchemaChecker(); + + /** + * Starts a basic check process. + * + * This check only validates the basic super type inheritance + * of simple and complex types. + */ + void basicCheck(); + + /** + * Starts the real check process. + */ + void check(); + + /** + * Checks the constraining facets of all global and anonymous simple types for validity. + */ + void checkConstrainingFacets(); + + /** + * Adds the component location hash, so the checker is able to report meaning full + * error messages. + */ + void addComponentLocationHash(const QHash<NamedSchemaComponent::Ptr, QSourceLocation> &hash); + + private: + void checkSimpleRestrictionBaseType(); + + /** + * Checks that no simple or complex type inherits itself. + */ + void checkBasicCircularInheritances(); + + /** + * Checks the advanced circular inheritance. + */ + void checkCircularInheritances(); + + /** + * Checks for inheritance restrictions given by final or finalDefault + * attributes. + */ + void checkInheritanceRestrictions(); + + /** + * Checks for various constraints for simple types defined by schema. + */ + void checkBasicSimpleTypeConstraints(); + void checkSimpleTypeConstraints(); + + /** + * Checks for various constraints for complex types defined by schema. + */ + void checkBasicComplexTypeConstraints(); + void checkComplexTypeConstraints(); + + /** + * Checks for list and union derivation restrictions given by final or finalDefault + * attributes. + */ + void checkSimpleDerivationRestrictions(); + + /** + * Checks the set of constraining @p facets that belongs to @p simpleType for validity. + */ + void checkConstrainingFacets(const XsdFacet::Hash &facets, const XsdSimpleType::Ptr &simpleType); + + /** + * Checks for duplicated attribute uses (attributes with the same name) inside a complex type. + */ + void checkDuplicatedAttributeUses(); + + /** + * Check the element constraints. + */ + void checkElementConstraints(); + + /** + * Check the attribute constraints. + */ + void checkAttributeConstraints(); + + /** + * Check the attribute use constraints. + */ + void checkAttributeUseConstraints(); + + /** + * A map used to find duplicated elements inside a model group. + */ + typedef QHash<QXmlName, SchemaType::Ptr> DuplicatedElementMap; + + /** + * A map used to find duplicated wildcards inside a model group. + */ + typedef QHash<XsdWildcard::NamespaceConstraint::Variety, XsdWildcard::Ptr> DuplicatedWildcardMap; + + /** + * Check for duplicated elements and element wildcards in all complex type particles. + */ + void checkElementDuplicates(); + + /** + * Check for duplicated elements and element wildcards in the given @p particle. + * + * @param particle The particle to check. + * @param elementMap A map to find the duplicated elements. + * @param wildcardMap A map to find the duplicated element wildcards. + */ + void checkElementDuplicates(const XsdParticle::Ptr &particle, DuplicatedElementMap &elementMap, DuplicatedWildcardMap &wildcardMap); + + /** + * Setup fast lookup list for allowed facets of atomic simple types. + */ + void setupAllowedAtomicFacets(); + + /** + * Returns the source location of the given schema @p component or a dummy + * source location if the component is not found in the component location hash. + */ + QSourceLocation sourceLocation(const NamedSchemaComponent::Ptr &component) const; + + /** + * Returns the source location of the given schema @p type or a dummy + * source location if the type is not found in the component location hash. + */ + QSourceLocation sourceLocationForType(const SchemaType::Ptr &type) const; + + /** + * Checks that the string @p value is valid according the value space of @p type + * for the given @p component. + */ + bool isValidValue(const QString &value, const AnySimpleType::Ptr &type, QString &errorMsg) const; + + /** + * Returns the list of facets for the given @p type. + */ + XsdFacet::Hash facetsForType(const SchemaType::Ptr &type) const; + + /** + * Returns whether the given @p list of attribute uses contains two (or more) attribute + * uses that point to attributes with the same name. @p conflictingAttribute + * will contain the conflicting attribute in that case. + */ + bool hasDuplicatedAttributeUses(const XsdAttributeUse::List &list, XsdAttribute::Ptr &conflictingAttribute) const; + + /** + * Returns whether the given @p list of attribute uses contains two (or more) attribute + * uses that have a type inherited by xs:ID. + */ + bool hasMultipleIDAttributeUses(const XsdAttributeUse::List &list) const; + + /** + * Returns whether the given @p list of attribute uses contains an attribute + * uses that has a type inherited by xs:ID with a value constraint. @p conflictingAttribute + * will contain the conflicting attribute in that case. + */ + bool hasConstraintIDAttributeUse(const XsdAttributeUse::List &list, XsdAttribute::Ptr &conflictingAttribute) const; + + /** + * Checks whether the @p particle equals the @p otherParticle recursively. + */ + bool particleEqualsRecursively(const XsdParticle::Ptr &particle, const XsdParticle::Ptr &otherParticle) const; + + /** + * Checks whether the @p extension particle is a valid extension of the @p base particle. + */ + bool isValidParticleExtension(const XsdParticle::Ptr &extension, const XsdParticle::Ptr &base) const; + + /** + * Checks whether the @p sequence of elements is accepted by the given @p particle. + */ + bool elementSequenceAccepted(const XsdModelGroup::Ptr &sequence, const XsdParticle::Ptr &particle) const; + + QExplicitlySharedDataPointer<XsdSchemaContext> m_context; + NamePool::Ptr m_namePool; + XsdSchema::Ptr m_schema; + QHash<QXmlName, QSet<XsdFacet::Type> > m_allowedAtomicFacets; + QHash<NamedSchemaComponent::Ptr, QSourceLocation> m_componentLocationHash; + }; +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |