Aaru/DiscImageChef.Filesystems/UCSDPascal/UCSDPascal.cs

// /***************************************************************************
// The Disc Image Chef
// ----------------------------------------------------------------------------
//
// Filename       : UCSDPascal.cs
// Author(s)      : Natalia Portillo <claunia@claunia.com>
//
// Component      : U.C.S.D. Pascal filesystem plugin.
//
// --[ Description ] ----------------------------------------------------------
//
//     Constructors and common variables for the U.C.S.D. Pascal filesystem plugin.
//
// --[ License ] --------------------------------------------------------------
//
//     This library is free software; you can redistribute it and/or modify
//     it under the terms of the GNU Lesser General Public License as
//     published by the Free Software Foundation; either version 2.1 of the
//     License, or (at your option) any later version.
//
//     This library is distributed in the hope that it will be useful, but
//     WITHOUT ANY WARRANTY; without even the implied warranty of
//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
//     Lesser General Public License for more details.
//
//     You should have received a copy of the GNU Lesser General Public
//     License along with this library; if not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
// Copyright © 2011-2018 Natalia Portillo
// ****************************************************************************/

using System;
using System.Collections.Generic;
using System.Text;
using DiscImageChef.CommonTypes.Interfaces;
using DiscImageChef.CommonTypes.Structs;
using Schemas;

namespace DiscImageChef.Filesystems.UCSDPascal
{
    // Information from Call-A.P.P.L.E. Pascal Disk Directory Structure
    public partial class PascalPlugin : IReadOnlyFilesystem
    {
        byte[] bootBlocks;
        byte[] catalogBlocks;

        bool                  debug;
        IMediaImage           device;
        List<PascalFileEntry> fileEntries;
        bool                  mounted;

        PascalVolumeEntry mountedVolEntry;
        /// <summary>Apple II disks use 256 bytes / sector, but filesystem assumes it's 512 bytes / sector</summary>
        uint multiplier;

        public FileSystemType XmlFsType { get; private set; }
        public string         Name      => "U.C.S.D. Pascal filesystem";
        public Guid           Id        => new Guid("B0AC2CB5-72AA-473A-9200-270B5A2C2D53");
        public Encoding       Encoding  { get; private set; }

        public Errno ListXAttr(string path, out List<string> xattrs)
        {
            xattrs = null;
            return Errno.NotSupported;
        }

        public Errno GetXattr(string path, string xattr, ref byte[] buf)
        {
            return Errno.NotSupported;
        }

        public Errno ReadLink(string path, out string dest)
        {
            dest = null;
            return Errno.NotSupported;
        }

        public IEnumerable<(string name, Type type, string description)> SupportedOptions =>
            new (string name, Type type, string description)[] { };

        static Dictionary<string, string> GetDefaultOptions()
        {
            return new Dictionary<string, string> {{"debug", false.ToString()}};
        }
    }
}