| /**************************************************************************** |
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| ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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| ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
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| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
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| ** GNU General Public License Usage |
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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_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 |
