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Diffstat (limited to 'src/xmlpatterns/schema/qxsdschemahelper_p.h')
| -rw-r--r-- | src/xmlpatterns/schema/qxsdschemahelper_p.h | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/src/xmlpatterns/schema/qxsdschemahelper_p.h b/src/xmlpatterns/schema/qxsdschemahelper_p.h new file mode 100644 index 0000000..48f098f --- /dev/null +++ b/src/xmlpatterns/schema/qxsdschemahelper_p.h @@ -0,0 +1,217 @@ +/**************************************************************************** +** +** 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// 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_XsdSchemaHelper_H +#define Patternist_XsdSchemaHelper_H + +#include "qcomparisonfactory_p.h" +#include "qschematype_p.h" +#include "qxsdattributegroup_p.h" +#include "qxsdelement_p.h" +#include "qxsdparticle_p.h" +#include "qxsdschemacontext_p.h" +#include "qxsdwildcard_p.h" + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +namespace QPatternist +{ + + /** + * @short Contains helper methods that are used by XsdSchemaParser, XsdSchemaResolver and XsdSchemaChecker. + * + * @ingroup Patternist_schema + * @author Tobias Koenig <tobias.koenig@nokia.com> + */ + class XsdSchemaHelper + { + public: + /** + * Checks whether the given @p particle is emptiable as defined by the + * algorithm in the schema spec. + */ + static bool isParticleEmptiable(const XsdParticle::Ptr &particle); + + /** + * Checks whether the given @p nameSpace is allowed by the given namespace @p constraint. + */ + static bool wildcardAllowsNamespaceName(const QString &nameSpace, + const XsdWildcard::NamespaceConstraint::Ptr &constraint); + + /** + * Checks whether the given @p name is allowed by the namespace constraint of the given @p wildcard. + */ + static bool wildcardAllowsExpandedName(const QXmlName &name, + const XsdWildcard::Ptr &wildcard, + const NamePool::Ptr &namePool); + + /** + * Checks whether the @p wildcard is a subset of @p otherWildcard. + */ + static bool isWildcardSubset(const XsdWildcard::Ptr &wildcard, const XsdWildcard::Ptr &otherWildcard); + + /** + * Returns the union of the given @p wildcard and @p otherWildcard. + */ + static XsdWildcard::Ptr wildcardUnion(const XsdWildcard::Ptr &wildcard, const XsdWildcard::Ptr &otherWildcard); + + /** + * Returns the intersection of the given @p wildcard and @p otherWildcard. + */ + static XsdWildcard::Ptr wildcardIntersection(const XsdWildcard::Ptr &wildcard, + const XsdWildcard::Ptr &otherWildcard); + + /** + * Returns whether the given @p type is validly substitutable for an @p otherType + * under the given @p constraints. + */ + static bool isValidlySubstitutable(const SchemaType::Ptr &type, + const SchemaType::Ptr &otherType, + const SchemaType::DerivationConstraints &constraints); + + /** + * Returns whether the simple @p derivedType can be derived from the simple @p baseType + * under the given @p constraints. + */ + static bool isSimpleDerivationOk(const SchemaType::Ptr &derivedType, + const SchemaType::Ptr &baseType, + const SchemaType::DerivationConstraints &constraints); + + /** + * Returns whether the complex @p derivedType can be derived from the complex @p baseType + * under the given @p constraints. + */ + static bool isComplexDerivationOk(const SchemaType::Ptr &derivedType, + const SchemaType::Ptr &baseType, + const SchemaType::DerivationConstraints &constraints); + + /** + * This method takes the two string based operands @p operand1 and @p operand2 and converts them to instances of type @p type. + * If the conversion fails, @c false is returned, otherwise the instances are compared by the given operator @p op and the + * result of the comparison is returned. + */ + static bool constructAndCompare(const DerivedString<TypeString>::Ptr &operand1, + const AtomicComparator::Operator op, + const DerivedString<TypeString>::Ptr &operand2, + const SchemaType::Ptr &type, + const ReportContext::Ptr &context, + const SourceLocationReflection *const sourceLocationReflection); + + /** + * Returns whether the process content property of the @p derivedWildcard is valid + * according to the process content property of its @p baseWildcard. + */ + static bool checkWildcardProcessContents(const XsdWildcard::Ptr &baseWildcard, + const XsdWildcard::Ptr &derivedWildcard); + + /** + * Checks whether @[ member is a member of the substitution group with the given @p head. + */ + static bool foundSubstitutionGroupTransitive(const XsdElement::Ptr &head, + const XsdElement::Ptr &member, + QSet<XsdElement::Ptr> &visitedElements); + + /** + * A helper method that iterates over the type hierarchy from @p memberType up to @p headType and collects all + * @p derivationSet and @p blockSet constraints that exists on the way there. + */ + static void foundSubstitutionGroupTypeInheritance(const SchemaType::Ptr &headType, + const SchemaType::Ptr &memberType, + QSet<SchemaType::DerivationMethod> &derivationSet, + NamedSchemaComponent::BlockingConstraints &blockSet); + + /** + * Checks if the @p member is transitive to @p head. + */ + static bool substitutionGroupOkTransitive(const XsdElement::Ptr &head, + const XsdElement::Ptr &member, + const NamePool::Ptr &namePool); + + /** + * Checks if @p derivedAttributeGroup is a valid restriction for @p attributeGroup. + */ + static bool isValidAttributeGroupRestriction(const XsdAttributeGroup::Ptr &derivedAttributeGroup, + const XsdAttributeGroup::Ptr &attributeGroup, + const XsdSchemaContext::Ptr &context, + QString &errorMsg); + + /** + * Checks if @p derivedAttributeUses are a valid restriction for @p attributeUses. + */ + static bool isValidAttributeUsesRestriction(const XsdAttributeUse::List &derivedAttributeUses, + const XsdAttributeUse::List &attributeUses, + const XsdWildcard::Ptr &derivedWildcard, + const XsdWildcard::Ptr &wildcard, + const XsdSchemaContext::Ptr &context, + QString &errorMsg); + + /** + * Checks if @p derivedAttributeUses are a valid extension for @p attributeUses. + */ + static bool isValidAttributeUsesExtension(const XsdAttributeUse::List &derivedAttributeUses, + const XsdAttributeUse::List &attributeUses, + const XsdWildcard::Ptr &derivedWildcard, + const XsdWildcard::Ptr &wildcard, + const XsdSchemaContext::Ptr &context, + QString &errorMsg); + + private: + Q_DISABLE_COPY(XsdSchemaHelper) + }; +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |