/****************************************************************************

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** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).

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** Contact: Nokia Corporation (qt-info@nokia.com)

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** This file is part of the QtXmlPatterns module of the Qt Toolkit.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** 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

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** $QT_END_LICENSE$

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****************************************************************************/

#include "qacceltreeresourceloader_p.h"

#include "qxmlschema.h"

#include "qxmlschema_p.h"

#include <QtCore/QBuffer>

#include <QtCore/QIODevice>

#include <QtCore/QUrl>

QT_BEGIN_NAMESPACE

QXmlSchemaPrivate::QXmlSchemaPrivate(const QXmlNamePool &namePool)

    : m_namePool(namePool)

    , m_userMessageHandler(0)

    , m_uriResolver(0)

    , m_userNetworkAccessManager(0)

    , m_schemaContext(new QPatternist::XsdSchemaContext(m_namePool.d))

    , m_schemaParserContext(new QPatternist::XsdSchemaParserContext(m_namePool.d, m_schemaContext))

    , m_schemaIsValid(false)

{

    m_networkAccessManager = new QPatternist::ReferenceCountedValue<QNetworkAccessManager>(new QNetworkAccessManager());

    m_messageHandler = new QPatternist::ReferenceCountedValue<QAbstractMessageHandler>(new QPatternist::ColoringMessageHandler());

}

QXmlSchemaPrivate::QXmlSchemaPrivate(const QPatternist::XsdSchemaContext::Ptr &schemaContext)

    : m_namePool(QXmlNamePool(schemaContext->namePool().data()))

    , m_userMessageHandler(0)

    , m_uriResolver(0)

    , m_userNetworkAccessManager(0)

    , m_schemaContext(schemaContext)

    , m_schemaParserContext(new QPatternist::XsdSchemaParserContext(m_namePool.d, m_schemaContext))

    , m_schemaIsValid(false)

{

    m_networkAccessManager = new QPatternist::ReferenceCountedValue<QNetworkAccessManager>(new QNetworkAccessManager());

    m_messageHandler = new QPatternist::ReferenceCountedValue<QAbstractMessageHandler>(new QPatternist::ColoringMessageHandler());

}

QXmlSchemaPrivate::QXmlSchemaPrivate(const QXmlSchemaPrivate &other)

    : QSharedData(other)

{

    m_namePool = other.m_namePool;

    m_userMessageHandler = other.m_userMessageHandler;

    m_uriResolver = other.m_uriResolver;

    m_userNetworkAccessManager = other.m_userNetworkAccessManager;

    m_messageHandler = other.m_messageHandler;

    m_networkAccessManager = other.m_networkAccessManager;

    m_schemaContext = other.m_schemaContext;

    m_schemaParserContext = other.m_schemaParserContext;

    m_schemaIsValid = other.m_schemaIsValid;

    m_documentUri = other.m_documentUri;

}

void QXmlSchemaPrivate::load(const QUrl &source, const QString &targetNamespace)

{

    m_documentUri = QPatternist::XPathHelper::normalizeQueryURI(source);

    m_schemaContext->setMessageHandler(messageHandler());

    m_schemaContext->setUriResolver(uriResolver());

    m_schemaContext->setNetworkAccessManager(networkAccessManager());

    const QPatternist::AutoPtr<QNetworkReply> reply(QPatternist::AccelTreeResourceLoader::load(source, m_schemaContext->networkAccessManager(),

                                                                                               m_schemaContext, QPatternist::AccelTreeResourceLoader::ContinueOnError));

    if (reply)

        load(reply.data(), source, targetNamespace);

}

void QXmlSchemaPrivate::load(const QByteArray &data, const QUrl &documentUri, const QString &targetNamespace)

{

    QByteArray localData(data);

    QBuffer buffer(&localData);

    buffer.open(QIODevice::ReadOnly);

    load(&buffer, documentUri, targetNamespace);

}

void QXmlSchemaPrivate::load(QIODevice *source, const QUrl &documentUri, const QString &targetNamespace)

{

    m_schemaParserContext = QPatternist::XsdSchemaParserContext::Ptr(new QPatternist::XsdSchemaParserContext(m_namePool.d, m_schemaContext));

    m_schemaIsValid = false;

    if (!source) {

        qWarning("A null QIODevice pointer cannot be passed.");

        return;

    }

    if (!source->isReadable()) {

        qWarning("The device must be readable.");

        return;

    }

    m_documentUri = QPatternist::XPathHelper::normalizeQueryURI(documentUri);

    m_schemaContext->setMessageHandler(messageHandler());

    m_schemaContext->setUriResolver(uriResolver());

    m_schemaContext->setNetworkAccessManager(networkAccessManager());

    QPatternist::XsdSchemaParser parser(m_schemaContext, m_schemaParserContext, source);

    parser.setDocumentURI(documentUri);

    parser.setTargetNamespace(targetNamespace);

    try {

        parser.parse();

        m_schemaParserContext->resolver()->resolve();

        m_schemaIsValid = true;

    } catch (QPatternist::Exception exception) {

        m_schemaIsValid = false;

    }

}

bool QXmlSchemaPrivate::isValid() const

{

    return m_schemaIsValid;

}

QXmlNamePool QXmlSchemaPrivate::namePool() const

{

    return m_namePool;

}

QUrl QXmlSchemaPrivate::documentUri() const

{

    return m_documentUri;

}

void QXmlSchemaPrivate::setMessageHandler(QAbstractMessageHandler *handler)

{

    m_userMessageHandler = handler;

}

QAbstractMessageHandler *QXmlSchemaPrivate::messageHandler() const

{

    if (m_userMessageHandler)

        return m_userMessageHandler;

    return m_messageHandler.data()->value;

}

void QXmlSchemaPrivate::setUriResolver(const QAbstractUriResolver *resolver)

{

    m_uriResolver = resolver;

}

const QAbstractUriResolver *QXmlSchemaPrivate::uriResolver() const

{

    return m_uriResolver;

}

void QXmlSchemaPrivate::setNetworkAccessManager(QNetworkAccessManager *networkmanager)

{

    m_userNetworkAccessManager = networkmanager;

}

QNetworkAccessManager *QXmlSchemaPrivate::networkAccessManager() const

{

    if (m_userNetworkAccessManager)

        return m_userNetworkAccessManager;

    return m_networkAccessManager.data()->value;

}

QT_END_NAMESPACE