C++ Ptr::maximumOccursUnbounded方法代码示例

bool XsdSchemaChecker::particleEqualsRecursively(const XsdParticle::Ptr &particle, const XsdParticle::Ptr &otherParticle) const
{
    // @see http://www.w3.org/TR/xmlschema11-1/#cos-particle-extend
    //TODO: find out what 'properties' of a particle should be checked here...

    if (particle->minimumOccurs() != otherParticle->minimumOccurs())
        return false;

    if (particle->maximumOccursUnbounded() != otherParticle->maximumOccursUnbounded())
        return false;

    if (particle->maximumOccurs() != otherParticle->maximumOccurs())
        return false;

    const XsdTerm::Ptr term = particle->term();
    const XsdTerm::Ptr otherTerm = otherParticle->term();

    if (term->isElement() && !(otherTerm->isElement()))
        return false;

    if (term->isModelGroup() && !(otherTerm->isModelGroup()))
        return false;

    if (term->isWildcard() && !(otherTerm->isWildcard()))
        return false;

    if (term->isElement()) {
        const XsdElement::Ptr element = term;
        const XsdElement::Ptr otherElement = otherTerm;

        if (element->name(m_namePool) != otherElement->name(m_namePool))
            return false;

        if (element->type()->name(m_namePool) != otherElement->type()->name(m_namePool))
            return false;
    }

    if (term->isModelGroup()) {
        const XsdModelGroup::Ptr group = term;
        const XsdModelGroup::Ptr otherGroup = otherTerm;

        if (group->particles().count() != otherGroup->particles().count())
            return false;

        for (int i = 0; i < group->particles().count(); ++i) {
            if (!particleEqualsRecursively(group->particles().at(i), otherGroup->particles().at(i)))
                return false;
        }
    }

    if (term->isWildcard()) {
    }

    return true;
}

void XsdSchemaDebugger::dumpParticle(const XsdParticle::Ptr &particle, int level)
{
    QString prefix; prefix.fill(QLatin1Char(' '), level);

    qDebug("%s min=%s max=%s", qPrintable(prefix), qPrintable(QString::number(particle->minimumOccurs())),
                               qPrintable(particle->maximumOccursUnbounded() ? QLatin1String("unbounded") : QString::number(particle->maximumOccurs())));

    if (particle->term()->isElement()) {
        qDebug("%selement (%s)", qPrintable(prefix), qPrintable(XsdElement::Ptr(particle->term())->displayName(m_namePool)));
    } else if (particle->term()->isModelGroup()) {
        const XsdModelGroup::Ptr group(particle->term());
        if (group->compositor() == XsdModelGroup::SequenceCompositor) {
            qDebug("%ssequence", qPrintable(prefix));
        } else if (group->compositor() == XsdModelGroup::AllCompositor) {
            qDebug("%sall", qPrintable(prefix));
        } else if (group->compositor() == XsdModelGroup::ChoiceCompositor) {
            qDebug("%schoice", qPrintable(prefix));
        }

        for (int i = 0; i < group->particles().count(); ++i)
            dumpParticle(group->particles().at(i), level + 5);
    } else if (particle->term()->isWildcard()) {
        XsdWildcard::Ptr wildcard(particle->term());
        qDebug("%swildcard (process=%d)", qPrintable(prefix), wildcard->processContents());
    }
}

/*
 * Create the FSA according to Algorithm Tp(S) from http://www.ltg.ed.ac.uk/~ht/XML_Europe_2003.html
 */
XsdStateMachine<XsdTerm::Ptr>::StateId XsdStateMachineBuilder::buildParticle(const XsdParticle::Ptr &particle, XsdStateMachine<XsdTerm::Ptr>::StateId endState)
{
    XsdStateMachine<XsdTerm::Ptr>::StateId currentStartState = endState;
    XsdStateMachine<XsdTerm::Ptr>::StateId currentEndState = endState;

    // 2
    if (particle->maximumOccursUnbounded()) {
        const XsdStateMachine<XsdTerm::Ptr>::StateId t = m_stateMachine->addState(XsdStateMachine<XsdTerm::Ptr>::InternalState);
        const XsdStateMachine<XsdTerm::Ptr>::StateId n = buildTerm(particle->term(), t);

        m_stateMachine->addEpsilonTransition(t, n);
        m_stateMachine->addEpsilonTransition(n, endState);

        currentEndState = t;
        currentStartState = t;
    } else { // 3
        int count = (particle->maximumOccurs() - particle->minimumOccurs());
        if (count > 100)
            count = 100;

        for (int i = 0; i < count; ++i) {
            currentStartState = buildTerm(particle->term(), currentEndState);
            m_stateMachine->addEpsilonTransition(currentStartState, endState);
            currentEndState = currentStartState;
        }
    }

    int minOccurs = particle->minimumOccurs();
    if (minOccurs > 100)
        minOccurs = 100;

    for (int i = 0; i < minOccurs; ++i) {
        currentStartState = buildTerm(particle->term(), currentEndState);
        currentEndState = currentStartState;
    }

    return currentStartState;
}

bool XsdSchemaChecker::isValidParticleExtension(const XsdParticle::Ptr &extension, const XsdParticle::Ptr &base) const
{
    // @see http://www.w3.org/TR/xmlschema11-1/#cos-particle-extend

    // 1
    if (extension == base)
        return true;

    // 2
    if (extension->minimumOccurs() == 1 && extension->maximumOccurs() == 1 && extension->maximumOccursUnbounded() == false) {
        if (extension->term()->isModelGroup()) {
            const XsdModelGroup::Ptr modelGroup = extension->term();
            if (modelGroup->compositor() == XsdModelGroup::SequenceCompositor) {
                if (particleEqualsRecursively(modelGroup->particles().first(), base))
                    return true;
            }
        }
    }

    // 3
    if (extension->minimumOccurs() == base->minimumOccurs()) { // 3.1
        if (extension->term()->isModelGroup() && base->term()->isModelGroup()) {
            const XsdModelGroup::Ptr extensionGroup(extension->term());
            const XsdModelGroup::Ptr baseGroup(base->term());

            if (extensionGroup->compositor() == XsdModelGroup::AllCompositor && baseGroup->compositor() == XsdModelGroup::AllCompositor) {
                const XsdParticle::List extensionParticles = extensionGroup->particles();
                const XsdParticle::List baseParticles = baseGroup->particles();
                for (int i = 0; i < baseParticles.count() && i < extensionParticles.count(); ++i) {
                    if (baseParticles.at(i) != extensionParticles.at(i))
                        return false;
                }
            }
        }
    }

    return false;
}

bool XsdSchemaChecker::elementSequenceAccepted(const XsdModelGroup::Ptr &sequence, const XsdParticle::Ptr &particle) const
{
    // @see http://www.w3.org/TR/xmlschema11-1/#cvc-accept

    if (particle->term()->isWildcard()) { // 1
        const XsdWildcard::Ptr wildcard(particle->term());

        // 1.1
        if ((unsigned int)sequence->particles().count() < particle->minimumOccurs())
            return false;

        // 1.2
        if (!particle->maximumOccursUnbounded()) {
            if ((unsigned int)sequence->particles().count() > particle->maximumOccurs())
                return false;
        }

        // 1.3
        const XsdParticle::List particles(sequence->particles());
        for (int i = 0; i < particles.count(); ++i) {
            if (particles.at(i)->term()->isElement()) {
                if (!XsdSchemaHelper::wildcardAllowsExpandedName(XsdElement::Ptr(particles.at(i)->term())->name(m_namePool), wildcard, m_namePool))
                    return false;
            }
        }
    } else if (particle->term()->isElement()) { // 2
        const XsdElement::Ptr element(particle->term());

        // 2.1
        if ((unsigned int)sequence->particles().count() < particle->minimumOccurs())
            return false;

        // 2.2
        if (!particle->maximumOccursUnbounded()) {
            if ((unsigned int)sequence->particles().count() > particle->maximumOccurs())
                return false;
        }

        // 2.3
        const XsdParticle::List particles(sequence->particles());
        for (int i = 0; i < particles.count(); ++i) {
            bool isValid = false;
            if (particles.at(i)->term()->isElement()) {
                const XsdElement::Ptr seqElement(particles.at(i)->term());

                // 2.3.1
                if (element->name(m_namePool) == seqElement->name(m_namePool))
                    isValid = true;

                // 2.3.2
                if (element->scope() && element->scope()->variety() == XsdElement::Scope::Global) {
                    if (!(element->disallowedSubstitutions() & NamedSchemaComponent::SubstitutionConstraint)) {
                        //TODO: continue
                    }
                }
            }
        }
    }

    return true;
}