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/****************************************************************************
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**
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** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qxsdschemahelper_p.h"
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#include "qbuiltintypes_p.h"
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#include "qvaluefactory_p.h"
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#include "qxsdcomplextype_p.h"
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#include "qxsdmodelgroup_p.h"
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#include "qxsdsimpletype_p.h"
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#include "qxsdtypechecker_p.h"
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QT_BEGIN_NAMESPACE
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using namespace QPatternist;
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/*
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* Calculates the effective total range minimum of the given @p particle as
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* described by the algorithm in the schema spec.
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*/
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static inline unsigned int effectiveTotalRangeMinimum(const XsdParticle::Ptr &particle)
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{
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const XsdModelGroup::Ptr group = particle->term();
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if (group->compositor() == XsdModelGroup::ChoiceCompositor) {
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// @see http://www.w3.org/TR/xmlschema11-1/# cos-choice-range
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int minValue = -1;
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const XsdParticle::List particles = group->particles();
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if (particles.isEmpty())
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minValue = 0;
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for (int i = 0; i < particles.count(); ++i) {
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const XsdParticle::Ptr particle = particles.at(i);
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if (particle->term()->isElement() || particle->term()->isWildcard()) {
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if (minValue == -1) {
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minValue = particle->minimumOccurs();
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} else {
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minValue = qMin((unsigned int)minValue, particle->minimumOccurs());
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}
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} else if (particle->term()->isModelGroup()) {
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if (minValue == -1) {
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minValue = effectiveTotalRangeMinimum(particle);
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} else {
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minValue = qMin((unsigned int)minValue, effectiveTotalRangeMinimum(particle));
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}
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}
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}
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return (particle->minimumOccurs() * minValue);
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} else {
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// @see http://www.w3.org/TR/xmlschema11-1/# cos-seq-range
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unsigned int sum = 0;
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const XsdParticle::List particles = group->particles();
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for (int i = 0; i < particles.count(); ++i) {
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const XsdParticle::Ptr particle = particles.at(i);
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if (particle->term()->isElement() || particle->term()->isWildcard())
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sum += particle->minimumOccurs();
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else if (particle->term()->isModelGroup())
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sum += effectiveTotalRangeMinimum(particle);
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}
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return (particle->minimumOccurs() * sum);
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}
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}
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bool XsdSchemaHelper::isParticleEmptiable(const XsdParticle::Ptr &particle)
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{
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// @see http://www.w3.org/TR/xmlschema11-1/#cos-group-emptiable
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if (particle->minimumOccurs() == 0)
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return true;
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if (!(particle->term()->isModelGroup()))
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return false;
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return (effectiveTotalRangeMinimum(particle) == 0);
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}
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bool XsdSchemaHelper::wildcardAllowsNamespaceName(const QString &nameSpace, const XsdWildcard::NamespaceConstraint::Ptr &constraint)
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{
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// @see http://www.w3.org/TR/xmlschema11-1/#cvc-wildcard-namespace
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// 1
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if (constraint->variety() == XsdWildcard::NamespaceConstraint::Any)
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return true;
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// 2
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if (constraint->variety() == XsdWildcard::NamespaceConstraint::Not) { // 2.1
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if (!constraint->namespaces().contains(nameSpace)) // 2.2
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if (nameSpace != XsdWildcard::absentNamespace()) // 2.3
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return true;
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}
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// 3
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if (constraint->variety() == XsdWildcard::NamespaceConstraint::Enumeration) {
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if (constraint->namespaces().contains(nameSpace))
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return true;
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}
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return false;
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}
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bool XsdSchemaHelper::wildcardAllowsExpandedName(const QXmlName &name, const XsdWildcard::Ptr &wildcard, const NamePool::Ptr &namePool)
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{
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// @see http://www.w3.org/TR/xmlschema11-1/#cvc-wildcard-name
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// 1
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if (!wildcardAllowsNamespaceName(namePool->stringForNamespace(name.namespaceURI()), wildcard->namespaceConstraint()))
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return false;
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// 2, 3, 4
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//TODO: we have no disallowed namespace yet
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return true;
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}
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// small helper function that should be available in Qt 4.6
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template<class T>
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static inline bool containsSet(const QSet<T> &super, const QSet<T> &sub)
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{
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QSetIterator<T> it(sub);
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while (it.hasNext()) {
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if (!super.contains(it.next()))
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return false;
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}
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return true;
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}
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bool XsdSchemaHelper::isWildcardSubset(const XsdWildcard::Ptr &wildcard, const XsdWildcard::Ptr &otherWildcard)
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{
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// @see http://www.w3.org/TR/xmlschema11-1/#cos-ns-subset
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// wildcard =^ sub
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// otherWildcard =^ super
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const XsdWildcard::NamespaceConstraint::Ptr constraint(wildcard->namespaceConstraint());
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const XsdWildcard::NamespaceConstraint::Ptr otherConstraint(otherWildcard->namespaceConstraint());
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// 1
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if (otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Any)
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return true;
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// 2
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if ((constraint->variety() == XsdWildcard::NamespaceConstraint::Enumeration) && (otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Enumeration)) {
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if (containsSet<QString>(otherConstraint->namespaces(), constraint->namespaces()))
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return true;
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}
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// 3
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if ((constraint->variety() == XsdWildcard::NamespaceConstraint::Enumeration) && (otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Not)) {
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if (constraint->namespaces().intersect(otherConstraint->namespaces()).isEmpty())
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return true;
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}
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// 4
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if ((constraint->variety() == XsdWildcard::NamespaceConstraint::Not) && (otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Not)) {
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if (containsSet<QString>(constraint->namespaces(), otherConstraint->namespaces()))
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return true;
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}
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return false;
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}
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XsdWildcard::Ptr XsdSchemaHelper::wildcardUnion(const XsdWildcard::Ptr &wildcard, const XsdWildcard::Ptr &otherWildcard)
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{
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// @see http://www.w3.org/TR/xmlschema11-1/#cos-aw-union
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XsdWildcard::Ptr unionWildcard(new XsdWildcard());
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const XsdWildcard::NamespaceConstraint::Ptr constraint(wildcard->namespaceConstraint());
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const XsdWildcard::NamespaceConstraint::Ptr otherConstraint(otherWildcard->namespaceConstraint());
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// 1
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if ((constraint->variety() == otherConstraint->variety()) &&
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(constraint->namespaces() == otherConstraint->namespaces())) {
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unionWildcard->namespaceConstraint()->setVariety(constraint->variety());
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unionWildcard->namespaceConstraint()->setNamespaces(constraint->namespaces());
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return unionWildcard;
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}
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// 2
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if ((constraint->variety() == XsdWildcard::NamespaceConstraint::Any) || (otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Any)) {
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unionWildcard->namespaceConstraint()->setVariety(XsdWildcard::NamespaceConstraint::Any);
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return unionWildcard;
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}
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// 3
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if ((constraint->variety() == XsdWildcard::NamespaceConstraint::Enumeration) && (otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Enumeration)) {
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unionWildcard->namespaceConstraint()->setVariety(XsdWildcard::NamespaceConstraint::Enumeration);
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unionWildcard->namespaceConstraint()->setNamespaces(constraint->namespaces() + otherConstraint->namespaces());
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return unionWildcard;
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}
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// 4
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if ((constraint->variety() == XsdWildcard::NamespaceConstraint::Not) && (otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Not)) {
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if (constraint->namespaces() != otherConstraint->namespaces()) {
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unionWildcard->namespaceConstraint()->setVariety(XsdWildcard::NamespaceConstraint::Not);
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unionWildcard->namespaceConstraint()->setNamespaces(QSet<QString>() << XsdWildcard::absentNamespace());
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return unionWildcard;
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}
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}
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// 5
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QSet<QString> sSet, negatedSet;
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bool matches5 = false;
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if (((constraint->variety() == XsdWildcard::NamespaceConstraint::Not) && !constraint->namespaces().contains(XsdWildcard::absentNamespace()))
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&& (otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Enumeration)) {
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negatedSet = constraint->namespaces();
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sSet = otherConstraint->namespaces();
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matches5 = true;
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} else if (((otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Not) && !otherConstraint->namespaces().contains(XsdWildcard::absentNamespace()))
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&& (constraint->variety() == XsdWildcard::NamespaceConstraint::Enumeration)) {
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negatedSet = otherConstraint->namespaces();
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sSet = constraint->namespaces();
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matches5 = true;
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}
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if (matches5) {
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if (sSet.contains(negatedSet.values().first()) && sSet.contains(XsdWildcard::absentNamespace())) { // 5.1
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unionWildcard->namespaceConstraint()->setVariety(XsdWildcard::NamespaceConstraint::Any);
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return unionWildcard;
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}
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if (sSet.contains(negatedSet.values().first()) && !sSet.contains(XsdWildcard::absentNamespace())) { // 5.2
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unionWildcard->namespaceConstraint()->setVariety(XsdWildcard::NamespaceConstraint::Not);
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unionWildcard->namespaceConstraint()->setNamespaces(QSet<QString>() << XsdWildcard::absentNamespace());
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return unionWildcard;
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}
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if (!sSet.contains(negatedSet.values().first()) && sSet.contains(XsdWildcard::absentNamespace())) { // 5.3
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return XsdWildcard::Ptr(); // not expressible
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}
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if (!sSet.contains(negatedSet.values().first()) && !sSet.contains(XsdWildcard::absentNamespace())) { // 5.4
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unionWildcard->namespaceConstraint()->setVariety(XsdWildcard::NamespaceConstraint::Not);
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unionWildcard->namespaceConstraint()->setNamespaces(negatedSet);
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return unionWildcard;
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}
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}
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// 6
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bool matches6 = false;
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if (((constraint->variety() == XsdWildcard::NamespaceConstraint::Not) && constraint->namespaces().contains(XsdWildcard::absentNamespace()))
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&& (otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Enumeration)) {
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negatedSet = constraint->namespaces();
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sSet = otherConstraint->namespaces();
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matches6 = true;
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} else if (((otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Not) && otherConstraint->namespaces().contains(XsdWildcard::absentNamespace()))
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&& (constraint->variety() == XsdWildcard::NamespaceConstraint::Enumeration)) {
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negatedSet = otherConstraint->namespaces();
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sSet = constraint->namespaces();
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matches6 = true;
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}
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if (matches6) {
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if (sSet.contains(XsdWildcard::absentNamespace())) { // 6.1
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unionWildcard->namespaceConstraint()->setVariety(XsdWildcard::NamespaceConstraint::Any);
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return unionWildcard;
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}
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if (!sSet.contains(XsdWildcard::absentNamespace())) { // 6.2
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unionWildcard->namespaceConstraint()->setVariety(XsdWildcard::NamespaceConstraint::Not);
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unionWildcard->namespaceConstraint()->setNamespaces(QSet<QString>() += XsdWildcard::absentNamespace());
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return unionWildcard;
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}
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}
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return XsdWildcard::Ptr();
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}
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XsdWildcard::Ptr XsdSchemaHelper::wildcardIntersection(const XsdWildcard::Ptr &wildcard, const XsdWildcard::Ptr &otherWildcard)
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{
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// @see http://www.w3.org/TR/xmlschema11-1/#cos-aw-intersect
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const XsdWildcard::NamespaceConstraint::Ptr constraint(wildcard->namespaceConstraint());
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const XsdWildcard::NamespaceConstraint::Ptr otherConstraint(otherWildcard->namespaceConstraint());
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const XsdWildcard::Ptr intersectionWildcard(new XsdWildcard());
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// 1
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if ((constraint->variety() == otherConstraint->variety()) &&
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(constraint->namespaces() == otherConstraint->namespaces())) {
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intersectionWildcard->namespaceConstraint()->setVariety(constraint->variety());
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intersectionWildcard->namespaceConstraint()->setNamespaces(constraint->namespaces());
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return intersectionWildcard;
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}
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// 2
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if ((constraint->variety() == XsdWildcard::NamespaceConstraint::Any) &&
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(otherConstraint->variety() != XsdWildcard::NamespaceConstraint::Any)) {
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intersectionWildcard->namespaceConstraint()->setVariety(otherConstraint->variety());
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intersectionWildcard->namespaceConstraint()->setNamespaces(otherConstraint->namespaces());
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return intersectionWildcard;
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}
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// 2
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|
341 |
if ((constraint->variety() != XsdWildcard::NamespaceConstraint::Any) &&
|
|
|
342 |
(otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Any)) {
|
|
|
343 |
intersectionWildcard->namespaceConstraint()->setVariety(constraint->variety());
|
|
|
344 |
intersectionWildcard->namespaceConstraint()->setNamespaces(constraint->namespaces());
|
|
|
345 |
return intersectionWildcard;
|
|
|
346 |
}
|
|
|
347 |
|
|
|
348 |
// 3
|
|
|
349 |
if ((constraint->variety() == XsdWildcard::NamespaceConstraint::Not) &&
|
|
|
350 |
(otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Enumeration)) {
|
|
|
351 |
|
|
|
352 |
QSet<QString> set = otherConstraint->namespaces();
|
|
|
353 |
set.subtract(constraint->namespaces());
|
|
|
354 |
set.remove(XsdWildcard::absentNamespace());
|
|
|
355 |
|
|
|
356 |
intersectionWildcard->namespaceConstraint()->setVariety(XsdWildcard::NamespaceConstraint::Enumeration);
|
|
|
357 |
intersectionWildcard->namespaceConstraint()->setNamespaces(set);
|
|
|
358 |
|
|
|
359 |
return intersectionWildcard;
|
|
|
360 |
}
|
|
|
361 |
|
|
|
362 |
// 3
|
|
|
363 |
if ((otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Not) &&
|
|
|
364 |
(constraint->variety() == XsdWildcard::NamespaceConstraint::Enumeration)) {
|
|
|
365 |
|
|
|
366 |
QSet<QString> set = constraint->namespaces();
|
|
|
367 |
set.subtract(otherConstraint->namespaces());
|
|
|
368 |
set.remove(XsdWildcard::absentNamespace());
|
|
|
369 |
|
|
|
370 |
intersectionWildcard->namespaceConstraint()->setVariety(XsdWildcard::NamespaceConstraint::Enumeration);
|
|
|
371 |
intersectionWildcard->namespaceConstraint()->setNamespaces(set);
|
|
|
372 |
|
|
|
373 |
return intersectionWildcard;
|
|
|
374 |
}
|
|
|
375 |
|
|
|
376 |
// 4
|
|
|
377 |
if ((constraint->variety() == XsdWildcard::NamespaceConstraint::Enumeration) &&
|
|
|
378 |
(otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Enumeration)) {
|
|
|
379 |
|
|
|
380 |
QSet<QString> set = constraint->namespaces();
|
|
|
381 |
set.intersect(otherConstraint->namespaces());
|
|
|
382 |
|
|
|
383 |
intersectionWildcard->namespaceConstraint()->setVariety(XsdWildcard::NamespaceConstraint::Enumeration);
|
|
|
384 |
intersectionWildcard->namespaceConstraint()->setNamespaces(set);
|
|
|
385 |
|
|
|
386 |
return intersectionWildcard;
|
|
|
387 |
}
|
|
|
388 |
|
|
|
389 |
// 6
|
|
|
390 |
if ((constraint->variety() == XsdWildcard::NamespaceConstraint::Not) &&
|
|
|
391 |
(otherConstraint->variety() == XsdWildcard::NamespaceConstraint::Not)) {
|
|
|
392 |
if (!(constraint->namespaces().contains(XsdWildcard::absentNamespace())) && otherConstraint->namespaces().contains(XsdWildcard::absentNamespace())) {
|
|
|
393 |
return wildcard;
|
|
|
394 |
}
|
|
|
395 |
if (constraint->namespaces().contains(XsdWildcard::absentNamespace()) && !(otherConstraint->namespaces().contains(XsdWildcard::absentNamespace()))) {
|
|
|
396 |
return otherWildcard;
|
|
|
397 |
}
|
|
|
398 |
}
|
|
|
399 |
|
|
|
400 |
// 5 as not expressible return empty wildcard
|
|
|
401 |
return XsdWildcard::Ptr();
|
|
|
402 |
}
|
|
|
403 |
|
|
|
404 |
static SchemaType::DerivationConstraints convertBlockingConstraints(const NamedSchemaComponent::BlockingConstraints &constraints)
|
|
|
405 |
{
|
|
|
406 |
SchemaType::DerivationConstraints result = 0;
|
|
|
407 |
|
|
|
408 |
if (constraints & NamedSchemaComponent::RestrictionConstraint)
|
|
|
409 |
result |= SchemaType::RestrictionConstraint;
|
|
|
410 |
if (constraints & NamedSchemaComponent::ExtensionConstraint)
|
|
|
411 |
result |= SchemaType::ExtensionConstraint;
|
|
|
412 |
|
|
|
413 |
return result;
|
|
|
414 |
}
|
|
|
415 |
|
|
|
416 |
bool XsdSchemaHelper::isValidlySubstitutable(const SchemaType::Ptr &type, const SchemaType::Ptr &otherType, const SchemaType::DerivationConstraints &constraints)
|
|
|
417 |
{
|
|
|
418 |
// @see http://www.w3.org/TR/xmlschema11-1/#key-val-sub-type
|
|
|
419 |
|
|
|
420 |
// 1
|
|
|
421 |
if (type->isComplexType() && otherType->isComplexType()) {
|
|
|
422 |
SchemaType::DerivationConstraints keywords = constraints;
|
|
|
423 |
if (otherType->isDefinedBySchema())
|
|
|
424 |
keywords |= convertBlockingConstraints(XsdComplexType::Ptr(otherType)->prohibitedSubstitutions());
|
|
|
425 |
|
|
|
426 |
return isComplexDerivationOk(type, otherType, keywords);
|
|
|
427 |
}
|
|
|
428 |
|
|
|
429 |
// 2
|
|
|
430 |
if (type->isComplexType() && otherType->isSimpleType()) {
|
|
|
431 |
return isComplexDerivationOk(type, otherType, constraints);
|
|
|
432 |
}
|
|
|
433 |
|
|
|
434 |
// 3
|
|
|
435 |
if (type->isSimpleType() && otherType->isSimpleType()) {
|
|
|
436 |
return isSimpleDerivationOk(type, otherType, constraints);
|
|
|
437 |
}
|
|
|
438 |
|
|
|
439 |
return false;
|
|
|
440 |
}
|
|
|
441 |
|
|
|
442 |
bool XsdSchemaHelper::isSimpleDerivationOk(const SchemaType::Ptr &derivedType, const SchemaType::Ptr &baseType, const SchemaType::DerivationConstraints &constraints)
|
|
|
443 |
{
|
|
|
444 |
// @see http://www.w3.org/TR/xmlschema11-1/#cos-st-derived-ok
|
|
|
445 |
|
|
|
446 |
// 1
|
|
|
447 |
if (derivedType == baseType)
|
|
|
448 |
return true;
|
|
|
449 |
|
|
|
450 |
// 2.1
|
|
|
451 |
if ((constraints & SchemaType::RestrictionConstraint) || derivedType->wxsSuperType()->derivationConstraints() & SchemaType::RestrictionConstraint) {
|
|
|
452 |
return false;
|
|
|
453 |
}
|
|
|
454 |
|
|
|
455 |
// 2.2.1
|
|
|
456 |
if (derivedType->wxsSuperType() == baseType)
|
|
|
457 |
return true;
|
|
|
458 |
|
|
|
459 |
// 2.2.2
|
|
|
460 |
if (derivedType->wxsSuperType() != BuiltinTypes::xsAnyType) {
|
|
|
461 |
if (isSimpleDerivationOk(derivedType->wxsSuperType(), baseType, constraints))
|
|
|
462 |
return true;
|
|
|
463 |
}
|
|
|
464 |
|
|
|
465 |
// 2.2.3
|
|
|
466 |
if (derivedType->category() == SchemaType::SimpleTypeList || derivedType->category() == SchemaType::SimpleTypeUnion) {
|
|
|
467 |
if (baseType == BuiltinTypes::xsAnySimpleType)
|
|
|
468 |
return true;
|
|
|
469 |
}
|
|
|
470 |
|
|
|
471 |
// 2.2.4
|
|
|
472 |
if (baseType->category() == SchemaType::SimpleTypeUnion && baseType->isDefinedBySchema()) { // 2.2.4.1
|
|
|
473 |
const AnySimpleType::List memberTypes = XsdSimpleType::Ptr(baseType)->memberTypes();
|
|
|
474 |
for (int i = 0; i < memberTypes.count(); ++i) {
|
|
|
475 |
if (isSimpleDerivationOk(derivedType, memberTypes.at(i), constraints)) { // 2.2.4.2
|
|
|
476 |
if (XsdSimpleType::Ptr(baseType)->facets().isEmpty()) { // 2.2.4.3
|
|
|
477 |
return true;
|
|
|
478 |
}
|
|
|
479 |
}
|
|
|
480 |
}
|
|
|
481 |
}
|
|
|
482 |
|
|
|
483 |
return false;
|
|
|
484 |
}
|
|
|
485 |
|
|
|
486 |
bool XsdSchemaHelper::isComplexDerivationOk(const SchemaType::Ptr &derivedType, const SchemaType::Ptr &baseType, const SchemaType::DerivationConstraints &constraints)
|
|
|
487 |
{
|
|
|
488 |
if (!derivedType)
|
|
|
489 |
return false;
|
|
|
490 |
|
|
|
491 |
// @see http://www.w3.org/TR/xmlschema11-1/#cos-ct-derived-ok
|
|
|
492 |
|
|
|
493 |
// 1
|
|
|
494 |
if (derivedType != baseType) {
|
|
|
495 |
if ((derivedType->derivationMethod() == SchemaType::DerivationRestriction) && (constraints & SchemaType::RestrictionConstraint))
|
|
|
496 |
return false;
|
|
|
497 |
if ((derivedType->derivationMethod() == SchemaType::DerivationExtension) && (constraints & SchemaType::ExtensionConstraint))
|
|
|
498 |
return false;
|
|
|
499 |
}
|
|
|
500 |
|
|
|
501 |
// 2.1
|
|
|
502 |
if (derivedType == baseType)
|
|
|
503 |
return true;
|
|
|
504 |
|
|
|
505 |
// 2.2
|
|
|
506 |
if (derivedType->wxsSuperType() == baseType)
|
|
|
507 |
return true;
|
|
|
508 |
|
|
|
509 |
// 2.3
|
|
|
510 |
bool isOk = true;
|
|
|
511 |
if (derivedType->wxsSuperType() == BuiltinTypes::xsAnyType) { // 2.3.1
|
|
|
512 |
isOk = false;
|
|
|
513 |
} else { // 2.3.2
|
|
|
514 |
if (!derivedType->wxsSuperType())
|
|
|
515 |
return false;
|
|
|
516 |
|
|
|
517 |
if (derivedType->wxsSuperType()->isComplexType()) { // 2.3.2.1
|
|
|
518 |
isOk = isComplexDerivationOk(derivedType->wxsSuperType(), baseType, constraints);
|
|
|
519 |
} else { // 2.3.2.2
|
|
|
520 |
isOk = isSimpleDerivationOk(derivedType->wxsSuperType(), baseType, constraints);
|
|
|
521 |
}
|
|
|
522 |
}
|
|
|
523 |
if (isOk)
|
|
|
524 |
return true;
|
|
|
525 |
|
|
|
526 |
return false;
|
|
|
527 |
}
|
|
|
528 |
|
|
|
529 |
bool XsdSchemaHelper::constructAndCompare(const DerivedString<TypeString>::Ptr &operand1,
|
|
|
530 |
const AtomicComparator::Operator op,
|
|
|
531 |
const DerivedString<TypeString>::Ptr &operand2,
|
|
|
532 |
const SchemaType::Ptr &type,
|
|
|
533 |
const ReportContext::Ptr &context,
|
|
|
534 |
const SourceLocationReflection *const sourceLocationReflection)
|
|
|
535 |
{
|
|
|
536 |
Q_ASSERT_X(type->category() == SchemaType::SimpleTypeAtomic, Q_FUNC_INFO,
|
|
|
537 |
"We can only compare atomic values.");
|
|
|
538 |
|
|
|
539 |
// we can not cast a xs:String to a xs:QName, so lets go the safe way
|
|
|
540 |
if (type->name(context->namePool()) == BuiltinTypes::xsQName->name(context->namePool()))
|
|
|
541 |
return false;
|
|
|
542 |
|
|
|
543 |
const AtomicValue::Ptr value1 = ValueFactory::fromLexical(operand1->stringValue(), type, context, sourceLocationReflection);
|
|
|
544 |
if (value1->hasError())
|
|
|
545 |
return false;
|
|
|
546 |
|
|
|
547 |
const AtomicValue::Ptr value2 = ValueFactory::fromLexical(operand2->stringValue(), type, context, sourceLocationReflection);
|
|
|
548 |
if (value2->hasError())
|
|
|
549 |
return false;
|
|
|
550 |
|
|
|
551 |
return ComparisonFactory::compare(value1, op, value2, type, context, sourceLocationReflection);
|
|
|
552 |
}
|
|
|
553 |
|
|
|
554 |
bool XsdSchemaHelper::checkWildcardProcessContents(const XsdWildcard::Ptr &baseWildcard, const XsdWildcard::Ptr &derivedWildcard)
|
|
|
555 |
{
|
|
|
556 |
if (baseWildcard->processContents() == XsdWildcard::Strict) {
|
|
|
557 |
if (derivedWildcard->processContents() == XsdWildcard::Lax || derivedWildcard->processContents() == XsdWildcard::Skip) {
|
|
|
558 |
return false;
|
|
|
559 |
}
|
|
|
560 |
} else if (baseWildcard->processContents() == XsdWildcard::Lax) {
|
|
|
561 |
if (derivedWildcard->processContents() == XsdWildcard::Skip)
|
|
|
562 |
return false;
|
|
|
563 |
}
|
|
|
564 |
|
|
|
565 |
return true;
|
|
|
566 |
}
|
|
|
567 |
|
|
|
568 |
bool XsdSchemaHelper::foundSubstitutionGroupTransitive(const XsdElement::Ptr &head, const XsdElement::Ptr &member, QSet<XsdElement::Ptr> &visitedElements)
|
|
|
569 |
{
|
|
|
570 |
if (visitedElements.contains(member))
|
|
|
571 |
return false;
|
|
|
572 |
else
|
|
|
573 |
visitedElements.insert(member);
|
|
|
574 |
|
|
|
575 |
if (member->substitutionGroupAffiliations().isEmpty())
|
|
|
576 |
return false;
|
|
|
577 |
|
|
|
578 |
if (member->substitutionGroupAffiliations().contains(head)) {
|
|
|
579 |
return true;
|
|
|
580 |
} else {
|
|
|
581 |
const XsdElement::List affiliations = member->substitutionGroupAffiliations();
|
|
|
582 |
for (int i = 0; i < affiliations.count(); ++i) {
|
|
|
583 |
if (foundSubstitutionGroupTransitive(head, affiliations.at(i), visitedElements))
|
|
|
584 |
return true;
|
|
|
585 |
}
|
|
|
586 |
|
|
|
587 |
return false;
|
|
|
588 |
}
|
|
|
589 |
}
|
|
|
590 |
|
|
|
591 |
void XsdSchemaHelper::foundSubstitutionGroupTypeInheritance(const SchemaType::Ptr &headType, const SchemaType::Ptr &memberType,
|
|
|
592 |
QSet<SchemaType::DerivationMethod> &derivationSet, NamedSchemaComponent::BlockingConstraints &blockSet)
|
|
|
593 |
{
|
|
|
594 |
if (!memberType)
|
|
|
595 |
return;
|
|
|
596 |
|
|
|
597 |
if (memberType == headType)
|
|
|
598 |
return;
|
|
|
599 |
|
|
|
600 |
derivationSet.insert(memberType->derivationMethod());
|
|
|
601 |
|
|
|
602 |
if (memberType->isComplexType()) {
|
|
|
603 |
const XsdComplexType::Ptr complexType(memberType);
|
|
|
604 |
blockSet |= complexType->prohibitedSubstitutions();
|
|
|
605 |
}
|
|
|
606 |
|
|
|
607 |
foundSubstitutionGroupTypeInheritance(headType, memberType->wxsSuperType(), derivationSet, blockSet);
|
|
|
608 |
}
|
|
|
609 |
|
|
|
610 |
bool XsdSchemaHelper::substitutionGroupOkTransitive(const XsdElement::Ptr &head, const XsdElement::Ptr &member, const NamePool::Ptr &namePool)
|
|
|
611 |
{
|
|
|
612 |
// @see http://www.w3.org/TR/xmlschema11-1/#cos-equiv-derived-ok-rec
|
|
|
613 |
|
|
|
614 |
// 1
|
|
|
615 |
if ((member->name(namePool) == head->name(namePool)) && (member->type() == head->type()))
|
|
|
616 |
return true;
|
|
|
617 |
|
|
|
618 |
// 2.1
|
|
|
619 |
if (head->disallowedSubstitutions() & NamedSchemaComponent::SubstitutionConstraint)
|
|
|
620 |
return false;
|
|
|
621 |
|
|
|
622 |
// 2.2
|
|
|
623 |
{
|
|
|
624 |
QSet<XsdElement::Ptr> visitedElements;
|
|
|
625 |
if (!foundSubstitutionGroupTransitive(head, member, visitedElements))
|
|
|
626 |
return false;
|
|
|
627 |
}
|
|
|
628 |
|
|
|
629 |
// 2.3
|
|
|
630 |
{
|
|
|
631 |
QSet<SchemaType::DerivationMethod> derivationSet;
|
|
|
632 |
NamedSchemaComponent::BlockingConstraints blockSet;
|
|
|
633 |
|
|
|
634 |
foundSubstitutionGroupTypeInheritance(head->type(), member->type(), derivationSet, blockSet);
|
|
|
635 |
|
|
|
636 |
NamedSchemaComponent::BlockingConstraints checkSet(blockSet);
|
|
|
637 |
checkSet |= head->disallowedSubstitutions();
|
|
|
638 |
if (head->type()->isComplexType()) {
|
|
|
639 |
const XsdComplexType::Ptr complexType(head->type());
|
|
|
640 |
checkSet |= complexType->prohibitedSubstitutions();
|
|
|
641 |
}
|
|
|
642 |
|
|
|
643 |
if ((checkSet & NamedSchemaComponent::RestrictionConstraint) && derivationSet.contains(SchemaType::DerivationRestriction))
|
|
|
644 |
return false;
|
|
|
645 |
if ((checkSet & NamedSchemaComponent::ExtensionConstraint) && derivationSet.contains(SchemaType::DerivationExtension))
|
|
|
646 |
return false;
|
|
|
647 |
if (checkSet & NamedSchemaComponent::SubstitutionConstraint)
|
|
|
648 |
return false;
|
|
|
649 |
}
|
|
|
650 |
|
|
|
651 |
return true;
|
|
|
652 |
}
|
|
|
653 |
|
|
|
654 |
bool XsdSchemaHelper::isValidAttributeGroupRestriction(const XsdAttributeGroup::Ptr &derivedAttributeGroup, const XsdAttributeGroup::Ptr &attributeGroup, const XsdSchemaContext::Ptr &context, QString &errorMsg)
|
|
|
655 |
{
|
|
|
656 |
// @see http://www.w3.org/TR/xmlschema-1/#derivation-ok-restriction
|
|
|
657 |
|
|
|
658 |
const XsdAttributeUse::List derivedAttributeUses = derivedAttributeGroup->attributeUses();
|
|
|
659 |
const XsdAttributeUse::List baseAttributeUses = attributeGroup->attributeUses();
|
|
|
660 |
|
|
|
661 |
return isValidAttributeUsesRestriction(derivedAttributeUses, baseAttributeUses,
|
|
|
662 |
derivedAttributeGroup->wildcard(), attributeGroup->wildcard(), context, errorMsg);
|
|
|
663 |
}
|
|
|
664 |
|
|
|
665 |
bool XsdSchemaHelper::isValidAttributeUsesRestriction(const XsdAttributeUse::List &derivedAttributeUses, const XsdAttributeUse::List &baseAttributeUses,
|
|
|
666 |
const XsdWildcard::Ptr &derivedWildcard, const XsdWildcard::Ptr &wildcard, const XsdSchemaContext::Ptr &context, QString &errorMsg)
|
|
|
667 |
{
|
|
|
668 |
const NamePool::Ptr namePool(context->namePool());
|
|
|
669 |
|
|
|
670 |
QHash<QXmlName, XsdAttributeUse::Ptr> baseAttributeUsesLookup;
|
|
|
671 |
for (int i = 0; i < baseAttributeUses.count(); ++i)
|
|
|
672 |
baseAttributeUsesLookup.insert(baseAttributeUses.at(i)->attribute()->name(namePool), baseAttributeUses.at(i));
|
|
|
673 |
|
|
|
674 |
QHash<QXmlName, XsdAttributeUse::Ptr> derivedAttributeUsesLookup;
|
|
|
675 |
for (int i = 0; i < derivedAttributeUses.count(); ++i)
|
|
|
676 |
derivedAttributeUsesLookup.insert(derivedAttributeUses.at(i)->attribute()->name(namePool), derivedAttributeUses.at(i));
|
|
|
677 |
|
|
|
678 |
// 2
|
|
|
679 |
for (int i = 0; i < derivedAttributeUses.count(); ++i) {
|
|
|
680 |
const XsdAttributeUse::Ptr derivedAttributeUse = derivedAttributeUses.at(i);
|
|
|
681 |
|
|
|
682 |
// prohibited attributes are no real attributes, so skip them in that test here
|
|
|
683 |
if (derivedAttributeUse->useType() == XsdAttributeUse::ProhibitedUse)
|
|
|
684 |
continue;
|
|
|
685 |
|
|
|
686 |
if (baseAttributeUsesLookup.contains(derivedAttributeUse->attribute()->name(namePool))) {
|
|
|
687 |
const XsdAttributeUse::Ptr baseAttributeUse(baseAttributeUsesLookup.value(derivedAttributeUse->attribute()->name(namePool)));
|
|
|
688 |
|
|
|
689 |
// 2.1.1
|
|
|
690 |
if (baseAttributeUse->isRequired() == true && derivedAttributeUse->isRequired() == false) {
|
|
|
691 |
errorMsg = QtXmlPatterns::tr("Base attribute %1 is required but derived attribute is not.").arg(formatAttribute(baseAttributeUse->attribute()->displayName(namePool)));
|
|
|
692 |
return false;
|
|
|
693 |
}
|
|
|
694 |
|
|
|
695 |
// 2.1.2
|
|
|
696 |
if (!isSimpleDerivationOk(derivedAttributeUse->attribute()->type(), baseAttributeUse->attribute()->type(), SchemaType::DerivationConstraints())) {
|
|
|
697 |
errorMsg = QtXmlPatterns::tr("Type of derived attribute %1 cannot be validly derived from type of base attribute.").arg(formatAttribute(derivedAttributeUse->attribute()->displayName(namePool)));
|
|
|
698 |
return false;
|
|
|
699 |
}
|
|
|
700 |
|
|
|
701 |
// 2.1.3
|
|
|
702 |
XsdAttributeUse::ValueConstraint::Ptr derivedConstraint;
|
|
|
703 |
if (derivedAttributeUse->valueConstraint())
|
|
|
704 |
derivedConstraint = derivedAttributeUse->valueConstraint();
|
|
|
705 |
else if (derivedAttributeUse->attribute()->valueConstraint())
|
|
|
706 |
derivedConstraint = XsdAttributeUse::ValueConstraint::fromAttributeValueConstraint(derivedAttributeUse->attribute()->valueConstraint());
|
|
|
707 |
|
|
|
708 |
XsdAttributeUse::ValueConstraint::Ptr baseConstraint;
|
|
|
709 |
if (baseAttributeUse->valueConstraint())
|
|
|
710 |
baseConstraint = baseAttributeUse->valueConstraint();
|
|
|
711 |
else if (baseAttributeUse->attribute()->valueConstraint())
|
|
|
712 |
baseConstraint = XsdAttributeUse::ValueConstraint::fromAttributeValueConstraint(baseAttributeUse->attribute()->valueConstraint());
|
|
|
713 |
|
|
|
714 |
bool ok = false;
|
|
|
715 |
if (!baseConstraint || baseConstraint->variety() == XsdAttributeUse::ValueConstraint::Default)
|
|
|
716 |
ok = true;
|
|
|
717 |
|
|
|
718 |
if (derivedConstraint && baseConstraint) {
|
|
|
719 |
const XsdTypeChecker checker(context, QVector<QXmlName>(), QSourceLocation(QUrl(QLatin1String("http://dummy.org")), 1, 1));
|
|
|
720 |
if (derivedConstraint->variety() == XsdAttributeUse::ValueConstraint::Fixed && checker.valuesAreEqual(derivedConstraint->value(), baseConstraint->value(), baseAttributeUse->attribute()->type()))
|
|
|
721 |
ok = true;
|
|
|
722 |
}
|
|
|
723 |
|
|
|
724 |
if (!ok) {
|
|
|
725 |
errorMsg = QtXmlPatterns::tr("Value constraint of derived attribute %1 does not match value constraint of base attribute.").arg(formatAttribute(derivedAttributeUse->attribute()->displayName(namePool)));
|
|
|
726 |
return false;
|
|
|
727 |
}
|
|
|
728 |
} else {
|
|
|
729 |
if (!wildcard) {
|
|
|
730 |
errorMsg = QtXmlPatterns::tr("Derived attribute %1 does not exists in the base definition.").arg(formatAttribute(derivedAttributeUse->attribute()->displayName(namePool)));
|
|
|
731 |
return false;
|
|
|
732 |
}
|
|
|
733 |
|
|
|
734 |
QXmlName name = derivedAttributeUse->attribute()->name(namePool);
|
|
|
735 |
|
|
|
736 |
// wildcards using XsdWildcard::absentNamespace, so we have to fix that here
|
|
|
737 |
if (name.namespaceURI() == StandardNamespaces::empty)
|
|
|
738 |
name.setNamespaceURI(namePool->allocateNamespace(XsdWildcard::absentNamespace()));
|
|
|
739 |
|
|
|
740 |
if (!wildcardAllowsExpandedName(name, wildcard, namePool)) {
|
|
|
741 |
errorMsg = QtXmlPatterns::tr("Derived attribute %1 does not match the wildcard in the base definition.").arg(formatAttribute(derivedAttributeUse->attribute()->displayName(namePool)));
|
|
|
742 |
return false;
|
|
|
743 |
}
|
|
|
744 |
}
|
|
|
745 |
}
|
|
|
746 |
|
|
|
747 |
// 3
|
|
|
748 |
for (int i = 0; i < baseAttributeUses.count(); ++i) {
|
|
|
749 |
const XsdAttributeUse::Ptr baseAttributeUse = baseAttributeUses.at(i);
|
|
|
750 |
|
|
|
751 |
if (baseAttributeUse->isRequired()) {
|
|
|
752 |
if (derivedAttributeUsesLookup.contains(baseAttributeUse->attribute()->name(namePool))) {
|
|
|
753 |
if (!derivedAttributeUsesLookup.value(baseAttributeUse->attribute()->name(namePool))->isRequired()) {
|
|
|
754 |
errorMsg = QtXmlPatterns::tr("Base attribute %1 is required but derived attribute is not.").arg(formatAttribute(baseAttributeUse->attribute()->displayName(namePool)));
|
|
|
755 |
return false;
|
|
|
756 |
}
|
|
|
757 |
} else {
|
|
|
758 |
errorMsg = QtXmlPatterns::tr("Base attribute %1 is required but missing in derived definition.").arg(formatAttribute(baseAttributeUse->attribute()->displayName(namePool)));
|
|
|
759 |
return false;
|
|
|
760 |
}
|
|
|
761 |
}
|
|
|
762 |
}
|
|
|
763 |
|
|
|
764 |
// 4
|
|
|
765 |
if (derivedWildcard) {
|
|
|
766 |
if (!wildcard) {
|
|
|
767 |
errorMsg = QtXmlPatterns::tr("Derived definition contains an %1 element that does not exists in the base definition").arg(formatElement("anyAttribute."));
|
|
|
768 |
return false;
|
|
|
769 |
}
|
|
|
770 |
|
|
|
771 |
if (!isWildcardSubset(derivedWildcard, wildcard)) {
|
|
|
772 |
errorMsg = QtXmlPatterns::tr("Derived wildcard is not a subset of the base wildcard.");
|
|
|
773 |
return false;
|
|
|
774 |
}
|
|
|
775 |
|
|
|
776 |
if (!checkWildcardProcessContents(wildcard, derivedWildcard)) {
|
|
|
777 |
errorMsg = QtXmlPatterns::tr("%1 of derived wildcard is not a valid restriction of %2 of base wildcard").arg(formatKeyword("processContents")).arg(formatKeyword("processContents."));
|
|
|
778 |
return false;
|
|
|
779 |
}
|
|
|
780 |
}
|
|
|
781 |
|
|
|
782 |
return true;
|
|
|
783 |
}
|
|
|
784 |
|
|
|
785 |
bool XsdSchemaHelper::isValidAttributeUsesExtension(const XsdAttributeUse::List &derivedAttributeUses, const XsdAttributeUse::List &attributeUses,
|
|
|
786 |
const XsdWildcard::Ptr &derivedWildcard, const XsdWildcard::Ptr &wildcard, const XsdSchemaContext::Ptr &context, QString &errorMsg)
|
|
|
787 |
{
|
|
|
788 |
// @see http://www.w3.org/TR/xmlschema11-1/#cos-ct-extends
|
|
|
789 |
|
|
|
790 |
const NamePool::Ptr namePool(context->namePool());
|
|
|
791 |
|
|
|
792 |
// 1.2
|
|
|
793 |
QHash<QXmlName, XsdAttribute::Ptr> lookupHash;
|
|
|
794 |
for (int i = 0; i < derivedAttributeUses.count(); ++i)
|
|
|
795 |
lookupHash.insert(derivedAttributeUses.at(i)->attribute()->name(namePool), derivedAttributeUses.at(i)->attribute());
|
|
|
796 |
|
|
|
797 |
for (int i = 0; i < attributeUses.count(); ++i) {
|
|
|
798 |
const QXmlName attributeName = attributeUses.at(i)->attribute()->name(namePool);
|
|
|
799 |
if (!lookupHash.contains(attributeName)) {
|
|
|
800 |
errorMsg = QtXmlPatterns::tr("Attribute %1 from base type is missing in derived type.").arg(formatKeyword(namePool->displayName(attributeName)));
|
|
|
801 |
return false;
|
|
|
802 |
}
|
|
|
803 |
|
|
|
804 |
if (lookupHash.value(attributeName)->type() != attributeUses.at(i)->attribute()->type()) {
|
|
|
805 |
errorMsg = QtXmlPatterns::tr("Type of derived attribute %1 differs from type of base attribute.").arg(formatKeyword(namePool->displayName(attributeName)));
|
|
|
806 |
return false;
|
|
|
807 |
}
|
|
|
808 |
}
|
|
|
809 |
|
|
|
810 |
// 1.3
|
|
|
811 |
if (wildcard) {
|
|
|
812 |
if (!derivedWildcard) {
|
|
|
813 |
errorMsg = QtXmlPatterns::tr("Base definition contains an %1 element that is missing in the derived definition").arg(formatElement("anyAttribute."));
|
|
|
814 |
return false;
|
|
|
815 |
}
|
|
|
816 |
}
|
|
|
817 |
|
|
|
818 |
return true;
|
|
|
819 |
}
|
|
|
820 |
|
|
|
821 |
QT_END_NAMESPACE
|