mirror of
https://github.com/aaru-dps/Aaru.Server.git
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Natalia Portillo
6754a040ea
* README.md: * docs/AppleSingle_AppleDouble_v2.pdf: * docs/AppleSingle_AppleDouble_v1.pdf: * DiscImageChef.Filters/AppleSingle.cs: * DiscImageChef.Filters/AppleDouble.cs: * DiscImageChef.Helpers/DateHandlers.cs: * DiscImageChef.Filters/DiscImageChef.Filters.csproj: Added AppleSingle and AppleDouble filters. * DiscImageChef.DiscImages/CDRWin.cs: Show correct filename from filter.
600 lines
25 KiB
C#
600 lines
25 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : AppleDouble.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Component
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Provides a filter to open AppleDouble files.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2016 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Linq;
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using System.Text;
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namespace DiscImageChef.Filters
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{
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public class AppleDouble : Filter
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{
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enum AppleDoubleEntryID : uint
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{
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Invalid = 0,
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DataFork = 1,
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ResourceFork = 2,
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RealName = 3,
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Comment = 4,
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Icon = 5,
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ColorIcon = 6,
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FileInfo = 7,
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FileDates = 8,
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FinderInfo = 9,
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MacFileInfo = 10,
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ProDOSFileInfo = 11,
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DOSFileInfo = 12,
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ShortName = 13,
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AFPFileInfo = 14,
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DirectoryID = 15
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct AppleDoubleHeader
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{
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public uint magic;
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public uint version;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 16)]
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public byte[] homeFilesystem;
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public ushort entries;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct AppleDoubleEntry
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{
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public uint id;
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public uint offset;
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public uint length;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct AppleDoubleFileDates
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{
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public uint creationDate;
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public uint modificationDate;
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public uint backupDate;
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public uint accessDate;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct AppleDoubleMacFileInfo
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{
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public uint creationDate;
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public uint modificationDate;
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public uint backupDate;
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public uint accessDate;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct AppleDoubleUNIXFileInfo
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{
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public uint creationDate;
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public uint accessDate;
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public uint modificationDate;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct AppleDoubleDOSFileInfo
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{
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public ushort modificationDate;
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public ushort modificationTime;
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public ushort attributes;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct AppleDoubleProDOSFileInfo
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{
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public uint creationDate;
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public uint modificationDate;
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public uint backupDate;
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public ushort access;
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public ushort fileType;
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public uint auxType;
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}
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const uint AppleDoubleMagic = 0x00051607;
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const uint AppleDoubleVersion = 0x00010000;
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const uint AppleDoubleVersion2 = 0x00020000;
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readonly byte[] MacintoshHome = { 0x4D, 0x61, 0x63, 0x69, 0x6E, 0x74, 0x6F, 0x73, 0x68, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 };
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readonly byte[] ProDOSHome = { 0x50, 0x72, 0x6F, 0x44, 0x4F, 0x53, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 };
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readonly byte[] DOSHome = { 0x4D, 0x53, 0x2D, 0x44, 0x4F, 0x53, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 };
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readonly byte[] UNIXHome = { 0x55, 0x6E, 0x69, 0x78, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 };
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readonly byte[] VMXHome = { 0x56, 0x41, 0x58, 0x20, 0x56, 0x4D, 0x53, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 };
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readonly byte[] OSXHome = { 0x4D, 0x61, 0x63, 0x20, 0x4F, 0x53, 0x20, 0x58, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20 };
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AppleDoubleEntry dataFork;
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AppleDoubleEntry rsrcFork;
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bool opened;
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string basePath;
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string headerPath;
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DateTime lastWriteTime;
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DateTime creationTime;
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AppleDoubleHeader header;
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public AppleDouble()
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{
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Name = "AppleDouble";
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UUID = new Guid("1B2165EE-C9DF-4B21-BBBB-9E5892B2DF4D");
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}
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public override void Close()
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{
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opened = false;
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}
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public override string GetBasePath()
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{
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return basePath;
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}
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public override DateTime GetCreationTime()
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{
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return creationTime;
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}
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public override long GetDataForkLength()
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{
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return dataFork.length;
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}
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public override Stream GetDataForkStream()
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{
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return new FileStream(basePath, FileMode.Open, FileAccess.Read);
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}
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public override string GetFilename()
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{
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return basePath != null ? Path.GetFileName(basePath) : null;
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}
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public override DateTime GetLastWriteTime()
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{
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return lastWriteTime;
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}
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public override long GetLength()
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{
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return dataFork.length + rsrcFork.length;
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}
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public override string GetParentFolder()
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{
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return Path.GetDirectoryName(basePath);
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}
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public override string GetPath()
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{
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return basePath;
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}
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public override long GetResourceForkLength()
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{
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return rsrcFork.length;
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}
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public override Stream GetResourceForkStream()
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{
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if(rsrcFork.length == 0)
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return null;
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return new OffsetStream(headerPath, FileMode.Open, FileAccess.Read, rsrcFork.offset, rsrcFork.offset + rsrcFork.length - 1);
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}
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public override bool HasResourceFork()
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{
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return rsrcFork.length > 0;
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}
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public override bool Identify(byte[] buffer)
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{
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// Now way to have two files in a single byte array
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return false;
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}
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public override bool Identify(Stream stream)
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{
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// Now way to have two files in a single stream
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return false;
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}
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public override bool Identify(string path)
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{
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// Prepend data fork name with "R."
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string ProDosAppleDouble;
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// Prepend data fork name with '%'
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string UNIXAppleDouble;
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// Change file extension to ADF
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string DOSAppleDouble;
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// Change file extension to adf
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string DOSAppleDoubleLower;
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// Store AppleDouble header file in ".AppleDouble" folder with same name
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string NetatalkAppleDouble;
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// Store AppleDouble header file in "resource.frk" folder with same name
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string DAVEAppleDouble;
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// Prepend data fork name with "._"
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string OSXAppleDouble;
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string filename = Path.GetFileName(path);
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string filenameNoExt = Path.GetFileNameWithoutExtension(path);
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string parentFolder = Path.GetDirectoryName(path);
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ProDosAppleDouble = Path.Combine(parentFolder, "R." + filename);
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UNIXAppleDouble = Path.Combine(parentFolder, "%" + filename);
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DOSAppleDouble = Path.Combine(parentFolder, filenameNoExt + ".ADF");
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DOSAppleDoubleLower = Path.Combine(parentFolder, filenameNoExt + ".adf");
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NetatalkAppleDouble = Path.Combine(parentFolder, ".AppleDouble", filename);
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DAVEAppleDouble = Path.Combine(parentFolder, "resource.frk", filename);
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OSXAppleDouble = Path.Combine(parentFolder, "._" + filename);
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// Check AppleDouble created by A/UX in ProDOS filesystem
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if(File.Exists(ProDosAppleDouble))
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{
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FileStream prodosStream = new FileStream(ProDosAppleDouble, FileMode.Open, FileAccess.Read);
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if(prodosStream != null && prodosStream.Length > 26)
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{
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byte[] prodos_b = new byte[26];
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prodosStream.Read(prodos_b, 0, 26);
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header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(prodos_b);
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prodosStream.Close();
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if(header.magic == AppleDoubleMagic && (header.version == AppleDoubleVersion || header.version == AppleDoubleVersion2))
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return true;
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}
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}
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// Check AppleDouble created by A/UX in UFS filesystem
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if(File.Exists(UNIXAppleDouble))
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{
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FileStream unixStream = new FileStream(UNIXAppleDouble, FileMode.Open, FileAccess.Read);
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if(unixStream != null && unixStream.Length > 26)
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{
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byte[] unix_b = new byte[26];
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unixStream.Read(unix_b, 0, 26);
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header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(unix_b);
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unixStream.Close();
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if(header.magic == AppleDoubleMagic && (header.version == AppleDoubleVersion || header.version == AppleDoubleVersion2))
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return true;
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}
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}
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// Check AppleDouble created by A/UX in FAT filesystem
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if(File.Exists(DOSAppleDouble))
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{
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FileStream dosStream = new FileStream(DOSAppleDouble, FileMode.Open, FileAccess.Read);
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if(dosStream != null && dosStream.Length > 26)
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{
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byte[] dos_b = new byte[26];
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dosStream.Read(dos_b, 0, 26);
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header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(dos_b);
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dosStream.Close();
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if(header.magic == AppleDoubleMagic && (header.version == AppleDoubleVersion || header.version == AppleDoubleVersion2))
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return true;
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}
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}
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// Check AppleDouble created by A/UX in case preserving FAT filesystem
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if(File.Exists(DOSAppleDoubleLower))
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{
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FileStream doslStream = new FileStream(DOSAppleDoubleLower, FileMode.Open, FileAccess.Read);
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if(doslStream != null && doslStream.Length > 26)
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{
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byte[] dosl_b = new byte[26];
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doslStream.Read(dosl_b, 0, 26);
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header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(dosl_b);
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doslStream.Close();
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if(header.magic == AppleDoubleMagic && (header.version == AppleDoubleVersion || header.version == AppleDoubleVersion2))
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return true;
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}
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}
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// Check AppleDouble created by Netatalk
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if(File.Exists(NetatalkAppleDouble))
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{
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FileStream netatalkStream = new FileStream(NetatalkAppleDouble, FileMode.Open, FileAccess.Read);
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if(netatalkStream != null && netatalkStream.Length > 26)
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{
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byte[] netatalk_b = new byte[26];
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netatalkStream.Read(netatalk_b, 0, 26);
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header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(netatalk_b);
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netatalkStream.Close();
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if(header.magic == AppleDoubleMagic && (header.version == AppleDoubleVersion || header.version == AppleDoubleVersion2))
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return true;
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}
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}
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// Check AppleDouble created by DAVE
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if(File.Exists(DAVEAppleDouble))
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{
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FileStream daveStream = new FileStream(DAVEAppleDouble, FileMode.Open, FileAccess.Read);
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if(daveStream != null && daveStream.Length > 26)
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{
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byte[] dave_b = new byte[26];
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daveStream.Read(dave_b, 0, 26);
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header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(dave_b);
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daveStream.Close();
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if(header.magic == AppleDoubleMagic && (header.version == AppleDoubleVersion || header.version == AppleDoubleVersion2))
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return true;
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}
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}
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// Check AppleDouble created by Mac OS X
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if(File.Exists(OSXAppleDouble))
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{
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FileStream osxStream = new FileStream(OSXAppleDouble, FileMode.Open, FileAccess.Read);
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if(osxStream != null && osxStream.Length > 26)
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{
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byte[] osx_b = new byte[26];
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osxStream.Read(osx_b, 0, 26);
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header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(osx_b);
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osxStream.Close();
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if(header.magic == AppleDoubleMagic && (header.version == AppleDoubleVersion || header.version == AppleDoubleVersion2))
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return true;
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}
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}
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return false;
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}
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public override bool IsOpened()
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{
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return opened;
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}
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public override void Open(byte[] buffer)
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{
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// Now way to have two files in a single byte array
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throw new NotSupportedException();
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}
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public override void Open(Stream stream)
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{
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// Now way to have two files in a single stream
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throw new NotSupportedException();
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}
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public override void Open(string path)
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{
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// Prepend data fork name with "R."
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string ProDosAppleDouble;
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// Prepend data fork name with '%'
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string UNIXAppleDouble;
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// Change file extension to ADF
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string DOSAppleDouble;
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// Change file extension to adf
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string DOSAppleDoubleLower;
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// Store AppleDouble header file in ".AppleDouble" folder with same name
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string NetatalkAppleDouble;
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// Store AppleDouble header file in "resource.frk" folder with same name
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string DAVEAppleDouble;
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// Prepend data fork name with "._"
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string OSXAppleDouble;
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string filename = Path.GetFileName(path);
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string filenameNoExt = Path.GetFileNameWithoutExtension(path);
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string parentFolder = Path.GetDirectoryName(path);
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ProDosAppleDouble = Path.Combine(parentFolder, "R." + filename);
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UNIXAppleDouble = Path.Combine(parentFolder, "%" + filename);
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DOSAppleDouble = Path.Combine(parentFolder, filenameNoExt + ".ADF");
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DOSAppleDoubleLower = Path.Combine(parentFolder, filenameNoExt + ".adf");
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NetatalkAppleDouble = Path.Combine(parentFolder, ".AppleDouble", filename);
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DAVEAppleDouble = Path.Combine(parentFolder, "resource.frk", filename);
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OSXAppleDouble = Path.Combine(parentFolder, "._" + filename);
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// Check AppleDouble created by A/UX in ProDOS filesystem
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if(File.Exists(ProDosAppleDouble))
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{
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FileStream prodosStream = new FileStream(ProDosAppleDouble, FileMode.Open, FileAccess.Read);
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if(prodosStream != null && prodosStream.Length > 26)
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{
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byte[] prodos_b = new byte[26];
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prodosStream.Read(prodos_b, 0, 26);
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header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(prodos_b);
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prodosStream.Close();
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if(header.magic == AppleDoubleMagic && (header.version == AppleDoubleVersion || header.version == AppleDoubleVersion2))
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headerPath = ProDosAppleDouble;
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}
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}
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// Check AppleDouble created by A/UX in UFS filesystem
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if(File.Exists(UNIXAppleDouble))
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{
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FileStream unixStream = new FileStream(UNIXAppleDouble, FileMode.Open, FileAccess.Read);
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if(unixStream != null && unixStream.Length > 26)
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{
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byte[] unix_b = new byte[26];
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unixStream.Read(unix_b, 0, 26);
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header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(unix_b);
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unixStream.Close();
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if(header.magic == AppleDoubleMagic && (header.version == AppleDoubleVersion || header.version == AppleDoubleVersion2))
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headerPath = UNIXAppleDouble;
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}
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}
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// Check AppleDouble created by A/UX in FAT filesystem
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if(File.Exists(DOSAppleDouble))
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{
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FileStream dosStream = new FileStream(DOSAppleDouble, FileMode.Open, FileAccess.Read);
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if(dosStream != null && dosStream.Length > 26)
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{
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byte[] dos_b = new byte[26];
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dosStream.Read(dos_b, 0, 26);
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header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(dos_b);
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dosStream.Close();
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if(header.magic == AppleDoubleMagic && (header.version == AppleDoubleVersion || header.version == AppleDoubleVersion2))
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headerPath = DOSAppleDouble;
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}
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}
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// Check AppleDouble created by A/UX in case preserving FAT filesystem
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if(File.Exists(DOSAppleDoubleLower))
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{
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FileStream doslStream = new FileStream(DOSAppleDoubleLower, FileMode.Open, FileAccess.Read);
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if(doslStream != null && doslStream.Length > 26)
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{
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byte[] dosl_b = new byte[26];
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doslStream.Read(dosl_b, 0, 26);
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header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(dosl_b);
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doslStream.Close();
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if(header.magic == AppleDoubleMagic && (header.version == AppleDoubleVersion || header.version == AppleDoubleVersion2))
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headerPath = DOSAppleDoubleLower;
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}
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}
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// Check AppleDouble created by Netatalk
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if(File.Exists(NetatalkAppleDouble))
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{
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FileStream netatalkStream = new FileStream(NetatalkAppleDouble, FileMode.Open, FileAccess.Read);
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if(netatalkStream != null && netatalkStream.Length > 26)
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{
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byte[] netatalk_b = new byte[26];
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netatalkStream.Read(netatalk_b, 0, 26);
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header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(netatalk_b);
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netatalkStream.Close();
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if(header.magic == AppleDoubleMagic && (header.version == AppleDoubleVersion || header.version == AppleDoubleVersion2))
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headerPath = NetatalkAppleDouble;
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}
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}
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// Check AppleDouble created by DAVE
|
|
if(File.Exists(DAVEAppleDouble))
|
|
{
|
|
FileStream daveStream = new FileStream(DAVEAppleDouble, FileMode.Open, FileAccess.Read);
|
|
if(daveStream != null && daveStream.Length > 26)
|
|
{
|
|
byte[] dave_b = new byte[26];
|
|
daveStream.Read(dave_b, 0, 26);
|
|
header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(dave_b);
|
|
daveStream.Close();
|
|
if(header.magic == AppleDoubleMagic && (header.version == AppleDoubleVersion || header.version == AppleDoubleVersion2))
|
|
headerPath = DAVEAppleDouble;
|
|
}
|
|
}
|
|
|
|
// Check AppleDouble created by Mac OS X
|
|
if(File.Exists(OSXAppleDouble))
|
|
{
|
|
FileStream osxStream = new FileStream(OSXAppleDouble, FileMode.Open, FileAccess.Read);
|
|
if(osxStream != null && osxStream.Length > 26)
|
|
{
|
|
byte[] osx_b = new byte[26];
|
|
osxStream.Read(osx_b, 0, 26);
|
|
header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(osx_b);
|
|
osxStream.Close();
|
|
if(header.magic == AppleDoubleMagic && (header.version == AppleDoubleVersion || header.version == AppleDoubleVersion2))
|
|
headerPath = OSXAppleDouble;
|
|
}
|
|
}
|
|
|
|
FileStream fs = new FileStream(headerPath, FileMode.Open, FileAccess.Read);
|
|
fs.Seek(0, SeekOrigin.Begin);
|
|
|
|
byte[] hdr_b = new byte[26];
|
|
fs.Read(hdr_b, 0, 26);
|
|
header = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleHeader>(hdr_b);
|
|
|
|
AppleDoubleEntry[] entries = new AppleDoubleEntry[header.entries];
|
|
for(int i = 0; i < header.entries; i++)
|
|
{
|
|
byte[] entry = new byte[12];
|
|
fs.Read(entry, 0, 12);
|
|
entries[i] = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleEntry>(entry);
|
|
}
|
|
|
|
creationTime = DateTime.UtcNow;
|
|
lastWriteTime = creationTime;
|
|
foreach(AppleDoubleEntry entry in entries)
|
|
{
|
|
switch((AppleDoubleEntryID)entry.id)
|
|
{
|
|
case AppleDoubleEntryID.DataFork:
|
|
// AppleDouble have datafork in separated file
|
|
break;
|
|
case AppleDoubleEntryID.FileDates:
|
|
fs.Seek(entry.offset, SeekOrigin.Begin);
|
|
byte[] dates_b = new byte[16];
|
|
fs.Read(dates_b, 0, 16);
|
|
AppleDoubleFileDates dates = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleFileDates>(dates_b);
|
|
creationTime = DateHandlers.AppleDoubleToDateTime(dates.creationDate);
|
|
lastWriteTime = DateHandlers.AppleDoubleToDateTime(dates.modificationDate);
|
|
break;
|
|
case AppleDoubleEntryID.FileInfo:
|
|
fs.Seek(entry.offset, SeekOrigin.Begin);
|
|
byte[] finfo = new byte[entry.length];
|
|
fs.Read(finfo, 0, finfo.Length);
|
|
if(MacintoshHome.SequenceEqual(header.homeFilesystem))
|
|
{
|
|
AppleDoubleMacFileInfo macinfo = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleMacFileInfo>(finfo);
|
|
creationTime = DateHandlers.MacToDateTime(macinfo.creationDate);
|
|
lastWriteTime = DateHandlers.MacToDateTime(macinfo.modificationDate);
|
|
}
|
|
else if(ProDOSHome.SequenceEqual(header.homeFilesystem))
|
|
{
|
|
AppleDoubleProDOSFileInfo prodosinfo = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleProDOSFileInfo>(finfo);
|
|
creationTime = DateHandlers.MacToDateTime(prodosinfo.creationDate);
|
|
lastWriteTime = DateHandlers.MacToDateTime(prodosinfo.modificationDate);
|
|
}
|
|
else if(UNIXHome.SequenceEqual(header.homeFilesystem))
|
|
{
|
|
AppleDoubleUNIXFileInfo unixinfo = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleUNIXFileInfo>(finfo);
|
|
creationTime = DateHandlers.UNIXUnsignedToDateTime(unixinfo.creationDate);
|
|
lastWriteTime = DateHandlers.UNIXUnsignedToDateTime(unixinfo.modificationDate);
|
|
}
|
|
else if(DOSHome.SequenceEqual(header.homeFilesystem))
|
|
{
|
|
AppleDoubleDOSFileInfo dosinfo = BigEndianMarshal.ByteArrayToStructureBigEndian<AppleDoubleDOSFileInfo>(finfo);
|
|
lastWriteTime = DateHandlers.DOSToDateTime(dosinfo.modificationDate, dosinfo.modificationTime);
|
|
}
|
|
break;
|
|
case AppleDoubleEntryID.ResourceFork:
|
|
rsrcFork = entry;
|
|
break;
|
|
}
|
|
}
|
|
|
|
dataFork = new AppleDoubleEntry();
|
|
dataFork.id = (uint)AppleDoubleEntryID.DataFork;
|
|
if(File.Exists(path))
|
|
{
|
|
FileStream dataFs = new FileStream(path, FileMode.Open, FileAccess.Read);
|
|
dataFork.length = (uint)dataFs.Length;
|
|
dataFs.Close();
|
|
}
|
|
|
|
fs.Close();
|
|
opened = true;
|
|
basePath = path;
|
|
}
|
|
}
|
|
}
|