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87 lines
4.0 KiB
C#
87 lines
4.0 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : Joliet.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : ISO9660 filesystem plugin.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Joliet extensions structures.
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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 © 2011-2018 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Text;
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namespace DiscImageChef.Filesystems.ISO9660
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{
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public partial class ISO9660
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{
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static DecodedVolumeDescriptor DecodeJolietDescriptor(PrimaryVolumeDescriptor jolietvd)
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{
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DecodedVolumeDescriptor decodedVD = new DecodedVolumeDescriptor();
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decodedVD.SystemIdentifier =
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Encoding.BigEndianUnicode.GetString(jolietvd.system_id).TrimEnd().Trim('\u0000');
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decodedVD.VolumeIdentifier =
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Encoding.BigEndianUnicode.GetString(jolietvd.volume_id).TrimEnd().Trim('\u0000');
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decodedVD.VolumeSetIdentifier = Encoding.BigEndianUnicode.GetString(jolietvd.volume_set_id).TrimEnd()
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.Trim('\u0000');
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decodedVD.PublisherIdentifier =
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Encoding.BigEndianUnicode.GetString(jolietvd.publisher_id).TrimEnd().Trim('\u0000');
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decodedVD.DataPreparerIdentifier =
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Encoding.BigEndianUnicode.GetString(jolietvd.preparer_id).TrimEnd().Trim('\u0000');
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decodedVD.ApplicationIdentifier = Encoding.BigEndianUnicode.GetString(jolietvd.application_id).TrimEnd()
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.Trim('\u0000');
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if(jolietvd.creation_date[0] < 0x31 || jolietvd.creation_date[0] > 0x39)
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decodedVD.CreationTime = DateTime.MinValue;
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else decodedVD.CreationTime = DateHandlers.ISO9660ToDateTime(jolietvd.creation_date);
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if(jolietvd.modification_date[0] < 0x31 || jolietvd.modification_date[0] > 0x39) decodedVD.HasModificationTime = false;
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else
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{
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decodedVD.HasModificationTime = true;
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decodedVD.ModificationTime = DateHandlers.ISO9660ToDateTime(jolietvd.modification_date);
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}
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if(jolietvd.expiration_date[0] < 0x31 || jolietvd.expiration_date[0] > 0x39) decodedVD.HasExpirationTime = false;
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else
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{
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decodedVD.HasExpirationTime = true;
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decodedVD.ExpirationTime = DateHandlers.ISO9660ToDateTime(jolietvd.expiration_date);
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}
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if(jolietvd.effective_date[0] < 0x31 || jolietvd.effective_date[0] > 0x39) decodedVD.HasEffectiveTime = false;
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else
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{
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decodedVD.HasEffectiveTime = true;
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decodedVD.EffectiveTime = DateHandlers.ISO9660ToDateTime(jolietvd.effective_date);
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}
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decodedVD.Blocks = jolietvd.volume_space_size;
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decodedVD.BlockSize = jolietvd.logical_block_size;
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return decodedVD;
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}
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}
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} |