LibHac/libhac.Nand/DiscUtils.Fat/FileSystemFactory.cs

//
// Copyright (c) 2008-2011, Kenneth Bell
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// DEALINGS IN THE SOFTWARE.
//

using System.IO;
using DiscUtils.Vfs;
using DiscUtils.Streams;

namespace DiscUtils.Fat
{
    [VfsFileSystemFactory]
    internal class FileSystemFactory : VfsFileSystemFactory
    {
        public override FileSystemInfo[] Detect(Stream stream, VolumeInfo volume)
        {
            if (FatFileSystem.Detect(stream))
            {
                return new FileSystemInfo[] { new VfsFileSystemInfo("FAT", "Microsoft FAT", Open) };
            }

            return new FileSystemInfo[0];
        }

        private DiscFileSystem Open(Stream stream, VolumeInfo volumeInfo, FileSystemParameters parameters)
        {
            return new FatFileSystem(stream, Ownership.None, parameters);
        }
    }
}