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https://github.com/claunia/SabreTools.git
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Extract out DatItems namespace
This commit is contained in:
Matt Nadareski
698
SabreTools.DatItems/Disk.cs
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698
SabreTools.DatItems/Disk.cs
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@@ -0,0 +1,698 @@
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Xml.Serialization;
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using SabreTools.Core;
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using SabreTools.FileTypes;
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using SabreTools.Filtering;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Converters;
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namespace SabreTools.DatItems
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{
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/// <summary>
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/// Represents Compressed Hunks of Data (CHD) formatted disks which use internal hashes
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/// </summary>
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[JsonObject("disk"), XmlRoot("disk")]
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public class Disk : DatItem
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{
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#region Private instance variables
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private byte[] _md5; // 16 bytes
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private byte[] _sha1; // 20 bytes
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#endregion
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#region Fields
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#region Common
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/// <summary>
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/// Name of the item
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/// </summary>
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[JsonProperty("name")]
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[XmlElement("name")]
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public string Name { get; set; }
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/// <summary>
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/// Data MD5 hash
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/// </summary>
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[JsonProperty("md5", DefaultValueHandling = DefaultValueHandling.Ignore)]
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[XmlElement("md5")]
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public string MD5
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{
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get { return _md5.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_md5); }
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set { _md5 = Utilities.StringToByteArray(Sanitizer.CleanMD5(value)); }
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}
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/// <summary>
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/// Data SHA-1 hash
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/// </summary>
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[JsonProperty("sha1", DefaultValueHandling = DefaultValueHandling.Ignore)]
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[XmlElement("sha1")]
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public string SHA1
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{
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get { return _sha1.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_sha1); }
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set { _sha1 = Utilities.StringToByteArray(Sanitizer.CleanSHA1(value)); }
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}
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/// <summary>
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/// Disk name to merge from parent
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/// </summary>
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[JsonProperty("merge", DefaultValueHandling = DefaultValueHandling.Ignore)]
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[XmlElement("merge")]
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public string MergeTag { get; set; }
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/// <summary>
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/// Disk region
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/// </summary>
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[JsonProperty("region", DefaultValueHandling = DefaultValueHandling.Ignore)]
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[XmlElement("region")]
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public string Region { get; set; }
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/// <summary>
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/// Disk index
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/// </summary>
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[JsonProperty("index", DefaultValueHandling = DefaultValueHandling.Ignore)]
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[XmlElement("index")]
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public string Index { get; set; }
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/// <summary>
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/// Disk writable flag
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/// </summary>
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[JsonProperty("writable", DefaultValueHandling = DefaultValueHandling.Ignore)]
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[XmlElement("writable")]
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public bool? Writable { get; set; } = null;
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[JsonIgnore]
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public bool WritableSpecified { get { return Writable != null; } }
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/// <summary>
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/// Disk dump status
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/// </summary>
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[JsonProperty("status", DefaultValueHandling = DefaultValueHandling.Ignore)]
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[JsonConverter(typeof(StringEnumConverter))]
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[XmlElement("status")]
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public ItemStatus ItemStatus { get; set; }
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[JsonIgnore]
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public bool ItemStatusSpecified { get { return ItemStatus != ItemStatus.NULL; } }
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/// <summary>
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/// Determine if the disk is optional in the set
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/// </summary>
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[JsonProperty("optional", DefaultValueHandling = DefaultValueHandling.Ignore)]
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[XmlElement("optional")]
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public bool? Optional { get; set; } = null;
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[JsonIgnore]
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public bool OptionalSpecified { get { return Optional != null; } }
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#endregion
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#region SoftwareList
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/// <summary>
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/// Disk area information
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/// </summary>
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[JsonProperty("diskarea", DefaultValueHandling = DefaultValueHandling.Ignore)]
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[XmlElement("diskarea")]
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public DiskArea DiskArea { get; set; } = null;
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[JsonIgnore]
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public bool DiskAreaSpecified
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{
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get
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{
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return DiskArea != null
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&& !string.IsNullOrEmpty(DiskArea.Name);
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}
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}
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/// <summary>
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/// Original hardware part associated with the item
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/// </summary>
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[JsonProperty("part", DefaultValueHandling = DefaultValueHandling.Ignore)]
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[XmlElement("part")]
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public Part Part { get; set; } = null;
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[JsonIgnore]
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public bool PartSpecified
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{
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get
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{
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return Part != null
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&& (!string.IsNullOrEmpty(Part.Name)
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|| !string.IsNullOrEmpty(Part.Interface));
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}
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}
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#endregion
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#endregion // Fields
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#region Accessors
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/// <summary>
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/// Gets the name to use for a DatItem
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/// </summary>
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/// <returns>Name if available, null otherwise</returns>
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public override string GetName()
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{
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return Name;
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}
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/// <summary>
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/// Set fields with given values
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/// </summary>
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/// <param name="mappings">Mappings dictionary</param>
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public override void SetFields(Dictionary<Field, string> mappings)
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{
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// Set base fields
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base.SetFields(mappings);
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// Handle Disk-specific fields
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if (mappings.Keys.Contains(Field.DatItem_Name))
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Name = mappings[Field.DatItem_Name];
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if (mappings.Keys.Contains(Field.DatItem_MD5))
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MD5 = mappings[Field.DatItem_MD5];
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if (mappings.Keys.Contains(Field.DatItem_SHA1))
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SHA1 = mappings[Field.DatItem_SHA1];
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if (mappings.Keys.Contains(Field.DatItem_Merge))
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MergeTag = mappings[Field.DatItem_Merge];
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if (mappings.Keys.Contains(Field.DatItem_Region))
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Region = mappings[Field.DatItem_Region];
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if (mappings.Keys.Contains(Field.DatItem_Index))
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Index = mappings[Field.DatItem_Index];
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if (mappings.Keys.Contains(Field.DatItem_Writable))
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Writable = mappings[Field.DatItem_Writable].AsYesNo();
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if (mappings.Keys.Contains(Field.DatItem_Status))
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ItemStatus = mappings[Field.DatItem_Status].AsItemStatus();
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if (mappings.Keys.Contains(Field.DatItem_Optional))
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Optional = mappings[Field.DatItem_Optional].AsYesNo();
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// Handle DiskArea-specific fields
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if (DiskArea == null)
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DiskArea = new DiskArea();
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DiskArea.SetFields(mappings);
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// Handle Part-specific fields
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if (Part == null)
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Part = new Part();
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Part.SetFields(mappings);
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}
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#endregion
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#region Constructors
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/// <summary>
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/// Create a default, empty Disk object
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/// </summary>
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public Disk()
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{
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Name = string.Empty;
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ItemType = ItemType.Disk;
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DupeType = 0x00;
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ItemStatus = ItemStatus.None;
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}
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/// <summary>
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/// Create a Disk object from a BaseFile
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/// </summary>
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/// <param name="baseFile"></param>
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public Disk(BaseFile baseFile)
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{
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Name = baseFile.Filename;
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_md5 = baseFile.MD5;
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_sha1 = baseFile.SHA1;
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ItemType = ItemType.Disk;
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DupeType = 0x00;
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ItemStatus = ItemStatus.None;
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}
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#endregion
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#region Cloning Methods
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public override object Clone()
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{
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return new Disk()
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{
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Name = this.Name,
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ItemType = this.ItemType,
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DupeType = this.DupeType,
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Machine = this.Machine.Clone() as Machine,
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Source = this.Source.Clone() as Source,
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Remove = this.Remove,
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_md5 = this._md5,
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_sha1 = this._sha1,
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MergeTag = this.MergeTag,
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Region = this.Region,
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Index = this.Index,
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Writable = this.Writable,
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ItemStatus = this.ItemStatus,
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Optional = this.Optional,
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DiskArea = this.DiskArea,
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Part = this.Part,
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};
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}
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/// <summary>
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/// Convert Disk object to a BaseFile
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/// </summary>
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public BaseFile ConvertToBaseFile()
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{
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return new BaseFile()
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{
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Filename = this.Name,
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Parent = this.Machine?.Name,
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MD5 = this._md5,
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SHA1 = this._sha1,
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};
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}
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/// <summary>
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/// Convert a disk to the closest Rom approximation
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/// </summary>
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/// <returns></returns>
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public Rom ConvertToRom()
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{
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var rom = new Rom()
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{
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Name = this.Name + ".chd",
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ItemType = ItemType.Rom,
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DupeType = this.DupeType,
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Machine = this.Machine.Clone() as Machine,
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Source = this.Source.Clone() as Source,
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Remove = this.Remove,
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MergeTag = this.MergeTag,
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Region = this.Region,
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ItemStatus = this.ItemStatus,
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Optional = this.Optional,
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MD5 = this.MD5,
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SHA1 = this.SHA1,
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DataArea = new DataArea { Name = this.DiskArea.Name },
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Part = this.Part,
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};
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return rom;
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}
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#endregion
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#region Comparision Methods
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public override bool Equals(DatItem other)
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{
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bool dupefound = false;
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// If we don't have a rom, return false
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if (ItemType != other.ItemType)
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return dupefound;
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// Otherwise, treat it as a Disk
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Disk newOther = other as Disk;
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// If all hashes are empty but they're both nodump and the names match, then they're dupes
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if ((ItemStatus == ItemStatus.Nodump && newOther.ItemStatus == ItemStatus.Nodump)
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&& Name == newOther.Name
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&& !HasHashes() && !newOther.HasHashes())
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{
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dupefound = true;
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}
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// Otherwise if we get a partial match
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else if (HashMatch(newOther))
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{
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dupefound = true;
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}
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return dupefound;
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}
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/// <summary>
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/// Fill any missing size and hash information from another Disk
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/// </summary>
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/// <param name="other">Disk to fill information from</param>
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public void FillMissingInformation(Disk other)
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{
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if (_md5.IsNullOrEmpty() && !other._md5.IsNullOrEmpty())
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_md5 = other._md5;
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if (_sha1.IsNullOrEmpty() && !other._sha1.IsNullOrEmpty())
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_sha1 = other._sha1;
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}
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/// <summary>
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/// Get unique duplicate suffix on name collision
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/// </summary>
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/// <returns>String representing the suffix</returns>
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public string GetDuplicateSuffix()
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{
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if (!_md5.IsNullOrEmpty())
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return $"_{MD5}";
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else if (!_sha1.IsNullOrEmpty())
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return $"_{SHA1}";
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else
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return "_1";
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}
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/// <summary>
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/// Returns if there are no, non-empty hashes in common with another Disk
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/// </summary>
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/// <param name="other">Disk to compare against</param>
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/// <returns>True if at least one hash is not mutually exclusive, false otherwise</returns>
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private bool HasCommonHash(Disk other)
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{
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return !(_md5.IsNullOrEmpty() ^ other._md5.IsNullOrEmpty())
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|| !(_sha1.IsNullOrEmpty() ^ other._sha1.IsNullOrEmpty());
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}
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/// <summary>
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/// Returns if the Disk contains any hashes
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/// </summary>
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/// <returns>True if any hash exists, false otherwise</returns>
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private bool HasHashes()
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{
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return !_md5.IsNullOrEmpty()
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|| !_sha1.IsNullOrEmpty();
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}
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/// <summary>
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/// Returns if any hashes are common with another Disk
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/// </summary>
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/// <param name="other">Disk to compare against</param>
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/// <returns>True if any hashes are in common, false otherwise</returns>
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private bool HashMatch(Disk other)
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{
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// If either have no hashes, we return false, otherwise this would be a false positive
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if (!HasHashes() || !other.HasHashes())
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return false;
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// If neither have hashes in common, we return false, otherwise this would be a false positive
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if (!HasCommonHash(other))
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return false;
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// Return if all hashes match according to merge rules
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return ConditionalHashEquals(_md5, other._md5)
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&& ConditionalHashEquals(_sha1, other._sha1);
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}
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#endregion
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#region Filtering
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/// <summary>
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/// Clean a DatItem according to the cleaner
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/// </summary>
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/// <param name="cleaner">Cleaner to implement</param>
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public override void Clean(Cleaner cleaner)
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{
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// Clean common items first
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base.Clean(cleaner);
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// If we're stripping unicode characters, strip item name
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if (cleaner?.RemoveUnicode == true)
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Name = Sanitizer.RemoveUnicodeCharacters(Name);
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// If we are in NTFS trim mode, trim the game name
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if (cleaner?.Trim == true)
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{
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// Windows max name length is 260
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int usableLength = 260 - Machine.Name.Length - (cleaner.Root?.Length ?? 0);
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if (Name.Length > usableLength)
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{
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string ext = Path.GetExtension(Name);
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Name = Name.Substring(0, usableLength - ext.Length);
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Name += ext;
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}
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}
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}
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/// <summary>
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/// Check to see if a DatItem passes the filter
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/// </summary>
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/// <param name="filter">Filter to check against</param>
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/// <param name="sub">True if this is a subitem, false otherwise</param>
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/// <returns>True if the item passed the filter, false otherwise</returns>
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public override bool PassesFilter(Filter filter, bool sub = false)
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{
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// Check common fields first
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if (!base.PassesFilter(filter, sub))
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return false;
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#region Common
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// Filter on item name
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if (!filter.PassStringFilter(filter.DatItem_Name, Name))
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return false;
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// Filter on MD5
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if (!filter.PassStringFilter(filter.DatItem_MD5, MD5))
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return false;
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// Filter on SHA-1
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if (!filter.PassStringFilter(filter.DatItem_SHA1, SHA1))
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return false;
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// Filter on merge tag
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if (!filter.PassStringFilter(filter.DatItem_Merge, MergeTag))
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return false;
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// Filter on region
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if (!filter.PassStringFilter(filter.DatItem_Region, Region))
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return false;
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// Filter on index
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if (!filter.PassStringFilter(filter.DatItem_Index, Index))
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return false;
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// Filter on writable
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if (!filter.PassBoolFilter(filter.DatItem_Writable, Writable))
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return false;
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// Filter on status
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if (filter.DatItem_Status.MatchesPositive(ItemStatus.NULL, ItemStatus) == false)
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return false;
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if (filter.DatItem_Status.MatchesNegative(ItemStatus.NULL, ItemStatus) == true)
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return false;
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// Filter on optional
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if (!filter.PassBoolFilter(filter.DatItem_Optional, Optional))
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return false;
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#endregion
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#region SoftwareList
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// Filter on DiskArea
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if (DiskAreaSpecified)
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{
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if (!DiskArea.PassesFilter(filter, true))
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return false;
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}
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// Filter on Part
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if (PartSpecified)
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{
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if (!Part.PassesFilter(filter, true))
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return false;
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}
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#endregion
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return true;
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}
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||||
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||||
/// <summary>
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/// Remove fields from the DatItem
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||||
/// </summary>
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||||
/// <param name="fields">List of Fields to remove</param>
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||||
public override void RemoveFields(List<Field> fields)
|
||||
{
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||||
// Remove common fields first
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||||
base.RemoveFields(fields);
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||||
|
||||
// Remove the fields
|
||||
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||||
#region Common
|
||||
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||||
if (fields.Contains(Field.DatItem_Name))
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||||
Name = null;
|
||||
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||||
if (fields.Contains(Field.DatItem_MD5))
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||||
MD5 = null;
|
||||
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||||
if (fields.Contains(Field.DatItem_SHA1))
|
||||
SHA1 = null;
|
||||
|
||||
if (fields.Contains(Field.DatItem_Merge))
|
||||
MergeTag = null;
|
||||
|
||||
if (fields.Contains(Field.DatItem_Region))
|
||||
Region = null;
|
||||
|
||||
if (fields.Contains(Field.DatItem_Index))
|
||||
Index = null;
|
||||
|
||||
if (fields.Contains(Field.DatItem_Writable))
|
||||
Writable = null;
|
||||
|
||||
if (fields.Contains(Field.DatItem_Status))
|
||||
ItemStatus = ItemStatus.NULL;
|
||||
|
||||
if (fields.Contains(Field.DatItem_Optional))
|
||||
Optional = null;
|
||||
|
||||
#endregion
|
||||
|
||||
#region SoftwareList
|
||||
|
||||
if (DiskAreaSpecified)
|
||||
DiskArea.RemoveFields(fields);
|
||||
|
||||
if (PartSpecified)
|
||||
Part.RemoveFields(fields);
|
||||
|
||||
#endregion
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Set internal names to match One Rom Per Game (ORPG) logic
|
||||
/// </summary>
|
||||
public override void SetOneRomPerGame()
|
||||
{
|
||||
string[] splitname = Name.Split('.');
|
||||
Machine.Name += $"/{string.Join(".", splitname.Take(splitname.Length > 1 ? splitname.Length - 1 : 1))}";
|
||||
Name = Path.GetFileName(Name);
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
#region Sorting and Merging
|
||||
|
||||
/// <summary>
|
||||
/// Get the dictionary key that should be used for a given item and bucketing type
|
||||
/// </summary>
|
||||
/// <param name="bucketedBy">Field enum representing what key to get</param>
|
||||
/// <param name="lower">True if the key should be lowercased (default), false otherwise</param>
|
||||
/// <param name="norename">True if games should only be compared on game and file name, false if system and source are counted</param>
|
||||
/// <returns>String representing the key to be used for the DatItem</returns>
|
||||
public override string GetKey(Field bucketedBy, bool lower = true, bool norename = true)
|
||||
{
|
||||
// Set the output key as the default blank string
|
||||
string key = string.Empty;
|
||||
|
||||
// Now determine what the key should be based on the bucketedBy value
|
||||
switch (bucketedBy)
|
||||
{
|
||||
case Field.DatItem_MD5:
|
||||
key = MD5;
|
||||
break;
|
||||
|
||||
case Field.DatItem_SHA1:
|
||||
key = SHA1;
|
||||
break;
|
||||
|
||||
// Let the base handle generic stuff
|
||||
default:
|
||||
return base.GetKey(bucketedBy, lower, norename);
|
||||
}
|
||||
|
||||
// Double and triple check the key for corner cases
|
||||
if (key == null)
|
||||
key = string.Empty;
|
||||
|
||||
return key;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Replace fields from another item
|
||||
/// </summary>
|
||||
/// <param name="item">DatItem to pull new information from</param>
|
||||
/// <param name="fields">List of Fields representing what should be updated</param>
|
||||
public override void ReplaceFields(DatItem item, List<Field> fields)
|
||||
{
|
||||
// Replace common fields first
|
||||
base.ReplaceFields(item, fields);
|
||||
|
||||
// If we don't have a Disk to replace from, ignore specific fields
|
||||
if (item.ItemType != ItemType.Disk)
|
||||
return;
|
||||
|
||||
// Cast for easier access
|
||||
Disk newItem = item as Disk;
|
||||
|
||||
// Replace the fields
|
||||
|
||||
#region Common
|
||||
|
||||
if (fields.Contains(Field.DatItem_Name))
|
||||
Name = newItem.Name;
|
||||
|
||||
if (fields.Contains(Field.DatItem_MD5))
|
||||
{
|
||||
if (string.IsNullOrEmpty(MD5) && !string.IsNullOrEmpty(newItem.MD5))
|
||||
MD5 = newItem.MD5;
|
||||
}
|
||||
|
||||
if (fields.Contains(Field.DatItem_SHA1))
|
||||
{
|
||||
if (string.IsNullOrEmpty(SHA1) && !string.IsNullOrEmpty(newItem.SHA1))
|
||||
SHA1 = newItem.SHA1;
|
||||
}
|
||||
|
||||
if (fields.Contains(Field.DatItem_Merge))
|
||||
MergeTag = newItem.MergeTag;
|
||||
|
||||
if (fields.Contains(Field.DatItem_Region))
|
||||
Region = newItem.Region;
|
||||
|
||||
if (fields.Contains(Field.DatItem_Index))
|
||||
Index = newItem.Index;
|
||||
|
||||
if (fields.Contains(Field.DatItem_Writable))
|
||||
Writable = newItem.Writable;
|
||||
|
||||
if (fields.Contains(Field.DatItem_Status))
|
||||
ItemStatus = newItem.ItemStatus;
|
||||
|
||||
if (fields.Contains(Field.DatItem_Optional))
|
||||
Optional = newItem.Optional;
|
||||
|
||||
#endregion
|
||||
|
||||
#region SoftwareList
|
||||
|
||||
if (DiskAreaSpecified && newItem.DiskAreaSpecified)
|
||||
DiskArea.ReplaceFields(newItem.DiskArea, fields);
|
||||
|
||||
if (PartSpecified && newItem.PartSpecified)
|
||||
Part.ReplaceFields(newItem.Part, fields);
|
||||
|
||||
#endregion
|
||||
}
|
||||
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user