annotate data/fileio/PlaylistFileReader.h @ 1879:652c5360e682

Ensure transforms are populated before instantiateDefaultPluginFor runs - otherwise if we have prior knowledge of a transform id, we can find ourselves trying to instantiate it before the plugin factory has heard of it and e.g. knows which server to use

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    This file copyright 2007 QMUL.
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef SV_PLAYLIST_FILE_READER_H
#define SV_PLAYLIST_FILE_READER_H

#include "FileSource.h"

#include <QString>

#include <vector>
#include <set>

class QFile;

class PlaylistFileReader
{
public:
    typedef std::vector<QString> Playlist;

    PlaylistFileReader(QString path);
    PlaylistFileReader(FileSource source);
    virtual ~PlaylistFileReader();

    virtual bool isOK() const;
    virtual QString getError() const;
    virtual Playlist load() const;

    // Return the set of file extensions that are expected to
    // represent parseable playlists.
    static void getSupportedExtensions(std::set<QString> &extensions);

    // Return true if the given source has a file extension that is
    // one of the supported extensions. Does not look at the content
    // of the file.
    static bool isSupported(FileSource source);

protected:
    void init();

    FileSource m_source;
    QFile *m_file;
    QString m_basedir;
    QString m_error;
};

#endif