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https://github.com/aaru-dps/Aaru.git
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Natalia Portillo
828c1e3da0
Introduces constant fields for respective debug module names, replacing the hardcoded ones. This is done to standardize the naming convention, reduce redundancy and potentially avoid any typos or name mismatches across the project. This change makes the code more maintainable and easier to update in case module names need to be changed.
104 lines
4.1 KiB
C#
104 lines
4.1 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : CHD.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Disc image plugins.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Manages MAME Compressed Hunks of Data disk images.
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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 © 2011-2023 Natalia Portillo
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// ****************************************************************************/
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using System.Collections.Generic;
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using System.Diagnostics.CodeAnalysis;
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using System.IO;
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using Aaru.CommonTypes;
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using Aaru.CommonTypes.Enums;
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using Aaru.CommonTypes.Interfaces;
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using Aaru.CommonTypes.Structs;
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using Aaru.Decoders.CD;
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namespace Aaru.DiscImages;
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// TODO: Implement PCMCIA support
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/// <inheritdoc cref="Aaru.CommonTypes.Interfaces.IOpticalMediaImage" />
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/// <summary>Implements reading MAME CHD disk images</summary>
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[SuppressMessage("ReSharper", "NotAccessedField.Local")]
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public sealed partial class Chd : IOpticalMediaImage, IVerifiableImage
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{
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/// <summary>"MComprHD"</summary>
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readonly byte[] _chdTag = "MComprHD"u8.ToArray();
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SectorBuilder _sectorBuilder;
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uint _bytesPerHunk;
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byte[] _cis;
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byte[] _expectedChecksum;
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uint _hdrCompression;
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uint _hdrCompression1;
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uint _hdrCompression2;
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uint _hdrCompression3;
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Dictionary<ulong, byte[]> _hunkCache;
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byte[] _hunkMap;
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ulong[] _hunkTable;
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uint[] _hunkTableSmall;
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byte[] _identify;
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ImageInfo _imageInfo;
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Stream _imageStream;
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bool _isCdrom;
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bool _isGdrom;
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bool _isHdd;
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uint _mapVersion;
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int _maxBlockCache;
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int _maxSectorCache;
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Dictionary<ulong, uint> _offsetmap;
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List<Partition> _partitions;
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Dictionary<ulong, byte[]> _sectorCache;
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uint _sectorsPerHunk;
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bool _swapAudio;
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uint _totalHunks;
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Dictionary<uint, Track> _tracks;
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public Chd() => _imageInfo = new ImageInfo
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{
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ReadableSectorTags = new List<SectorTagType>(),
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ReadableMediaTags = new List<MediaTagType>(),
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HasPartitions = false,
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HasSessions = false,
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Application = "MAME",
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Creator = null,
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Comments = null,
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MediaManufacturer = null,
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MediaModel = null,
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MediaSerialNumber = null,
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MediaBarcode = null,
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MediaPartNumber = null,
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MediaSequence = 0,
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LastMediaSequence = 0,
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DriveManufacturer = null,
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DriveModel = null,
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DriveSerialNumber = null,
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DriveFirmwareRevision = null
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};
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const string MODULE_NAME = "CHD plugin";
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} |