GeoDataDocumentWriter.h

// SPDX-License-Identifier: LGPL-2.1-or-later
//
// SPDX-FileCopyrightText: 2016 Dennis Nienhüser <nienhueser@kde.org>
//
 
#ifndef MARBLE_GEODATADOCUMENTWRITER_H
#define MARBLE_GEODATADOCUMENTWRITER_H
 
#include "marble_export.h"
 
#include <QIODevice>
#include <QSet>
 
namespace Marble
{
 
class GeoWriterBackend;
class GeoDataDocument;
 
/**
 * Write GeoDataDocument content to I/O devices (e.g. a file)
 */
class MARBLE_EXPORT GeoDataDocumentWriter
{
public:
    /**
     * Write the content of the given GeoDataDocument to the given I/O device
     * @param device An I/O device open for writing
     * @param document A GeoDataDocument with content to write
     * @param documentIdentifier XML document identifier or file extension that determines
     * @return True if writing is successful, false otherwise
     */
    static bool write(QIODevice *device, const GeoDataDocument &document, const QString &documentIdentifier);
 
    /**
     * Convenience method that uses a QFile as QIODevice and determines the document type from the filename extension
     * @param filename Target file's name
     * @param document Document to write
     * @param documentIdentifier XML document identifier or filename extension that determines the content type.
     * Use an empty string (default) to determine it automatically
     * @return True if writing is successful, false otherwise
     */
    static bool write(const QString &filename, const GeoDataDocument &document, const QString &documentIdentifier = QString());
 
    /**
     * Registers a plugin as a backend for writing a certain file extension. Usually called by the MARBLE_ADD_WRITER macro.
     * @param writer Backend to register
     * @param fileExtension File extension to associate the backend with
     */
    static void registerWriter(GeoWriterBackend *writer, const QString &fileExtension);
    static void unregisterWriter(GeoWriterBackend *writer, const QString &fileExtension);
 
private:
    static QString determineDocumentIdentifier(const QString &filename);
    static QSet<QPair<QString, GeoWriterBackend *>> s_backends;
};
 
}
 
#endif