/*
    This file is part of the syndication library
    SPDX-FileCopyrightText: 2006 Frank Osterfeld <osterfeld@kde.org>

    SPDX-License-Identifier: LGPL-2.0-or-later
*/

#ifndef SYNDICATION_RDF_RSSVOCAB_H
#define SYNDICATION_RDF_RSSVOCAB_H

#include <QSharedPointer>
#include <QStringList>

#include "../syndication_export.h"

#include <memory>

class QString;

namespace Syndication
{
namespace RDF
{
//@cond PRIVATE
class Property;
typedef QSharedPointer<Property> PropertyPtr;
class Resource;
typedef QSharedPointer<Resource> ResourcePtr;
//@endcond

/**
 * Singleton holding RDF class and property constants of the RSS 1.0
 * vocabulary. See http://web.resource.org/rss/1.0/ for a specification.
 *
 * @author Frank Osterfeld
 */
class RSSVocab
{
public:
    /**
     * destructor
     */
    ~RSSVocab();

    /**
     * returns the singleton instance
     */
    static RSSVocab *self();

    /**
     * namespace URI of the RSS 1.0 vocabulary,
     * @c "http://web.resource.org/rss/1.0/"
     */
    const QString &namespaceURI() const;

    /**
     * RSS 1.0 title property, see Document::title() for
     * more details
     */
    PropertyPtr title() const;

    /**
     * RSS 1.0 description property, see Document::description() for
     * more details
     */
    PropertyPtr description() const;

    /**
     * RSS 1.0 link property, see Document::link() for
     * more details
     */
    PropertyPtr link() const;

    /**
     * RSS 1.0 name property, see Document::name() for
     * more details
     */
    PropertyPtr name() const;

    /**
     * RSS 1.0 url property, see Document::url() for
     * more details
     */
    PropertyPtr url() const;

    /**
     * RSS 1.0 channel class, the instance is represented by
     * Syndication::RDF::Document
     */
    ResourcePtr channel() const;

    /**
     * RSS 1.0 item class, the instance is represented by
     * Syndication::RDF::Item
     */
    ResourcePtr item() const;

    /**
     * RSS 1.0 items property, see Document::items() for
     * more details
     */
    PropertyPtr items() const;

    /**
     * RSS 1.0 image property, see Document::image() for
     * more details
     */
    PropertyPtr image() const;

    /**
     * RSS 1.0 textinput property, see Document::textinput() for
     * more details
     */
    PropertyPtr textinput() const;

private:
    SYNDICATION_NO_EXPORT RSSVocab();
    Q_DISABLE_COPY(RSSVocab)
    class RSSVocabPrivate;
    std::unique_ptr<RSSVocabPrivate> const d;
};

/**
 * Singleton holding RDF class and property constants of the RSS 0.9
 * vocabulary. Only used to map RSS 0.9 to 1.0.
 *
 * @author Frank Osterfeld
 */

class SYNDICATION_EXPORT RSS09Vocab
{
public:
    /**
     * destructor
     */
    ~RSS09Vocab();

    /**
     * returns the singleton instance
     */
    static RSS09Vocab *self();

    /**
     * namespace URI of the RSS 0.9 vocabulary,
     * @c "http://web.resource.org/rss/0.9/"
     */
    const QString &namespaceURI() const;

    /**
     * RSS 0.9 title property, see Document::title() for
     * more details
     */
    PropertyPtr title() const;

    /**
     * RSS 0.9 description property, see Document::description() for
     * more details
     */
    PropertyPtr description() const;

    /**
     * RSS 0.9 link property, see Document::link() for
     * more details
     */
    PropertyPtr link() const;

    /**
     * RSS 0.9 name property, see Document::name() for
     * more details
     */
    PropertyPtr name() const;

    /**
     * RSS 0.9 url property, see Document::url() for
     * more details
     */
    PropertyPtr url() const;

    /**
     * RSS 0.9 channel class, the instance is represented by
     * Syndication::RDF::Document
     */
    ResourcePtr channel() const;

    /**
     * RSS 0.9 item class, see Document::items() for
     * more details
     */
    ResourcePtr item() const;

    /**
     * RSS 0.9 image property, see Document::image() for
     * more details
     */
    PropertyPtr image() const;

    /**
     * RSS 0.9 textinput property, see Document::textinput() for
     * more details
     */
    PropertyPtr textinput() const;

    /**
     * returns a list containing all URIs representing properties in this vocabulary
     */
    QStringList properties() const;

    /**
     * returns a list containing all URIs representing classes in this vocabulary
     */
    QStringList classes() const;

private:
    RSS09Vocab();
    Q_DISABLE_COPY(RSS09Vocab)
    class RSS09VocabPrivate;
    std::unique_ptr<RSS09VocabPrivate> const d;
};

} // namespace RDF
} // namespace Syndication

#endif // SYNDICATION_RDF_RSSVOCAB_H