qxmlschemavalidator.cpp

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#include "qxmlschemavalidator.h"
#include "qxmlschemavalidator_p.h"

#include "qacceltreeresourceloader_p.h"
#include "qxmlschema.h"
#include "qxmlschema_p.h"
#include "qxsdvalidatinginstancereader_p.h"

#include <QtCore/QBuffer>
#include <QtCore/QIODevice>
#include <QtCore/QUrl>

QT_BEGIN_NAMESPACE

QXmlSchemaValidator::QXmlSchemaValidator()
    : d(new QXmlSchemaValidatorPrivate(QXmlSchema()))
{
}

QXmlSchemaValidator::QXmlSchemaValidator(const QXmlSchema &schema)
    : d(new QXmlSchemaValidatorPrivate(schema))
{
}

QXmlSchemaValidator::~QXmlSchemaValidator()
{
    delete d;
}

void QXmlSchemaValidator::setSchema(const QXmlSchema &schema)
{
    d->setSchema(schema);
}

bool QXmlSchemaValidator::validate(const QByteArray &data, const QUrl &documentUri) const
{
    QByteArray localData(data);

    QBuffer buffer(&localData);
    buffer.open(QIODevice::ReadOnly);

    return validate(&buffer, documentUri);
}

bool QXmlSchemaValidator::validate(const QUrl &source) const
{
    d->m_context->setMessageHandler(messageHandler());
    d->m_context->setUriResolver(uriResolver());
    d->m_context->setNetworkAccessManager(networkAccessManager());

    const QPatternist::AutoPtr<QNetworkReply> reply(QPatternist::AccelTreeResourceLoader::load(source, d->m_context->networkAccessManager(),
                                                                                               d->m_context, QPatternist::AccelTreeResourceLoader::ContinueOnError));
    if (reply)
        return validate(reply.data(), source);
    else
        return false;
}

bool QXmlSchemaValidator::validate(QIODevice *source, const QUrl &documentUri) const
{
    if (!source) {
        qWarning("A null QIODevice pointer cannot be passed.");
        return false;
    }

    if (!source->isReadable()) {
        qWarning("The device must be readable.");
        return false;
    }

    const QUrl normalizedUri = QPatternist::XPathHelper::normalizeQueryURI(documentUri);

    d->m_context->setMessageHandler(messageHandler());
    d->m_context->setUriResolver(uriResolver());
    d->m_context->setNetworkAccessManager(networkAccessManager());

    QPatternist::NetworkAccessDelegator::Ptr delegator(new QPatternist::NetworkAccessDelegator(d->m_context->networkAccessManager(),
                                                                                               d->m_context->networkAccessManager()));

    QPatternist::AccelTreeResourceLoader loader(d->m_context->namePool(), delegator, QPatternist::AccelTreeBuilder<true>::SourceLocationsFeature);

    QPatternist::Item item;
    try {
        item = loader.openDocument(source, normalizedUri, d->m_context);
    } catch (QPatternist::Exception exception) {
        Q_UNUSED(exception);
        return false;
    }

    const QAbstractXmlNodeModel *model = item.asNode().model();

    QPatternist::XsdValidatedXmlNodeModel *validatedModel = new QPatternist::XsdValidatedXmlNodeModel(model);

    QPatternist::XsdValidatingInstanceReader reader(validatedModel, normalizedUri, d->m_context);
    if (d->m_schema)
        reader.addSchema(d->m_schema, d->m_schemaDocumentUri);
    try {
        reader.read();
    } catch (QPatternist::Exception exception) {
        Q_UNUSED(exception);
        return false;
    }

    return true;
}

QXmlNamePool QXmlSchemaValidator::namePool() const
{
    return d->m_namePool;
}

QXmlSchema QXmlSchemaValidator::schema() const
{
    return d->m_originalSchema;
}

void QXmlSchemaValidator::setMessageHandler(QAbstractMessageHandler *handler)
{
    d->m_userMessageHandler = handler;
}

QAbstractMessageHandler *QXmlSchemaValidator::messageHandler() const
{
    if (d->m_userMessageHandler)
        return d->m_userMessageHandler;

    return d->m_messageHandler.data()->value;
}

void QXmlSchemaValidator::setUriResolver(const QAbstractUriResolver *resolver)
{
    d->m_uriResolver = resolver;
}

const QAbstractUriResolver *QXmlSchemaValidator::uriResolver() const
{
    return d->m_uriResolver;
}

void QXmlSchemaValidator::setNetworkAccessManager(QNetworkAccessManager *manager)
{
    d->m_userNetworkAccessManager = manager;
}

QNetworkAccessManager *QXmlSchemaValidator::networkAccessManager() const
{
    if (d->m_userNetworkAccessManager)
        return d->m_userNetworkAccessManager;

    return d->m_networkAccessManager.data()->value;
}

QT_END_NAMESPACE