mirror of
https://github.com/claunia/SabreTools.git
synced 2025-12-16 19:14:27 +00:00
776 lines
25 KiB
C#
776 lines
25 KiB
C#
using System.Collections.Generic;
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using SabreTools.Library.Data;
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using SabreTools.Library.DatFiles;
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using SabreTools.Library.FileTypes;
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using SabreTools.Library.Filtering;
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using SabreTools.Library.Tools;
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using Newtonsoft.Json;
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namespace SabreTools.Library.DatItems
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{
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/// <summary>
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/// Represents a generic file within a set
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/// </summary>
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public class Rom : DatItem
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{
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#region Private instance variables
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private byte[] _crc; // 8 bytes
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private byte[] _md5; // 16 bytes
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#if NET_FRAMEWORK
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private byte[] _ripemd160; // 20 bytes
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#endif
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private byte[] _sha1; // 20 bytes
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private byte[] _sha256; // 32 bytes
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private byte[] _sha384; // 48 bytes
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private byte[] _sha512; // 64 bytes
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#endregion
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#region Publicly facing variables
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/// <summary>
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/// What BIOS is required for this rom
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/// </summary>
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[JsonProperty("bios")]
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public string Bios { get; set; }
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/// <summary>
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/// Byte size of the rom
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/// </summary>
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[JsonProperty("size")]
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public long Size { get; set; }
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/// <summary>
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/// File CRC32 hash
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/// </summary>
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[JsonProperty("crc")]
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public string CRC
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{
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get { return _crc.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_crc); }
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set { _crc = (value == "null" ? Constants.CRCZeroBytes : Utilities.StringToByteArray(Sanitizer.CleanCRC32(value))); }
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}
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/// <summary>
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/// File MD5 hash
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/// </summary>
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[JsonProperty("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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#if NET_FRAMEWORK
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/// <summary>
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/// File RIPEMD160 hash
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/// </summary>
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[JsonProperty("ripemd160")]
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public string RIPEMD160
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{
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get { return _ripemd160.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_ripemd160); }
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set { _ripemd160 = Utilities.StringToByteArray(Sanitizer.CleanRIPEMD160(value)); }
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}
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#endif
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/// <summary>
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/// File SHA-1 hash
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/// </summary>
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[JsonProperty("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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/// File SHA-256 hash
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/// </summary>
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[JsonProperty("sha256")]
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public string SHA256
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{
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get { return _sha256.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_sha256); }
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set { _sha256 = Utilities.StringToByteArray(Sanitizer.CleanSHA256(value)); }
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}
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/// <summary>
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/// File SHA-384 hash
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/// </summary>
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[JsonProperty("sha384")]
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public string SHA384
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{
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get { return _sha384.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_sha384); }
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set { _sha384 = Utilities.StringToByteArray(Sanitizer.CleanSHA384(value)); }
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}
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/// <summary>
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/// File SHA-512 hash
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/// </summary>
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[JsonProperty("sha512")]
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public string SHA512
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{
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get { return _sha512.IsNullOrEmpty() ? null : Utilities.ByteArrayToString(_sha512); }
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set { _sha512 = Utilities.StringToByteArray(Sanitizer.CleanSHA512(value)); }
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}
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/// <summary>
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/// Rom name to merge from parent
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/// </summary>
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[JsonProperty("merge")]
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public string MergeTag { get; set; }
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/// <summary>
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/// Rom region
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/// </summary>
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[JsonProperty("region")]
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public string Region { get; set; }
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/// <summary>
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/// Data offset within rom
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/// </summary>
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[JsonProperty("offset")]
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public string Offset { get; set; }
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/// <summary>
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/// File created date
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/// </summary>
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[JsonProperty("date")]
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public string Date { get; set; }
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/// <summary>
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/// Rom dump status
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/// </summary>
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[JsonProperty("status")]
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public ItemStatus ItemStatus { get; set; }
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/// <summary>
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/// Determine if the rom is optional in the set
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/// </summary>
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[JsonProperty("optional")]
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public bool? Optional { get; set; }
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/// <summary>
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/// Determine if the CRC32 hash is inverted
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/// </summary>
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[JsonProperty("inverted")]
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public bool? Inverted { get; set; }
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#endregion
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#region Accessors
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/// <summary>
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/// Get the value of that field as a string, if possible
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/// </summary>
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public override string GetField(Field field, List<Field> excludeFields)
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{
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// If the field is to be excluded, return empty string
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if (excludeFields.Contains(field))
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return string.Empty;
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// Handle Rom-specific fields
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string fieldValue;
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switch (field)
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{
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case Field.Bios:
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fieldValue = Bios;
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break;
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case Field.Size:
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fieldValue = Size.ToString();
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break;
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case Field.CRC:
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fieldValue = CRC;
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break;
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case Field.MD5:
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fieldValue = MD5;
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break;
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#if NET_FRAMEWORK
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case Field.RIPEMD160:
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fieldValue = RIPEMD160;
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break;
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#endif
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case Field.SHA1:
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fieldValue = SHA1;
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break;
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case Field.SHA256:
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fieldValue = SHA256;
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break;
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case Field.SHA384:
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fieldValue = SHA384;
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break;
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case Field.SHA512:
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fieldValue = SHA512;
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break;
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case Field.Merge:
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fieldValue = MergeTag;
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break;
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case Field.Region:
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fieldValue = Region;
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break;
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case Field.Offset:
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fieldValue = Offset;
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break;
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case Field.Date:
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fieldValue = Date;
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break;
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case Field.Status:
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fieldValue = ItemStatus.ToString();
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break;
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case Field.Optional:
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fieldValue = Optional?.ToString();
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break;
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case Field.Inverted:
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fieldValue = Inverted?.ToString();
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break;
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// For everything else, use the base method
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default:
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return base.GetField(field, excludeFields);
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}
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// Make sure we don't return null
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if (string.IsNullOrEmpty(fieldValue))
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fieldValue = string.Empty;
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return fieldValue;
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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 Rom object
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/// </summary>
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public Rom()
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{
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this.Name = string.Empty;
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this.ItemType = ItemType.Rom;
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this.DupeType = 0x00;
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this.ItemStatus = ItemStatus.None;
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this.Date = string.Empty;
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}
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/// <summary>
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/// Create a "blank" Rom object
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/// </summary>
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/// <param name="name"></param>
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/// <param name="machineName"></param>
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/// <param name="omitFromScan"></param>
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public Rom(string name, string machineName)
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{
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this.Name = name;
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this.ItemType = ItemType.Rom;
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this.Size = -1;
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this.ItemStatus = ItemStatus.None;
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_machine = new Machine
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{
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Name = machineName,
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Description = machineName,
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};
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}
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/// <summary>
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/// Create a Rom object from a BaseFile
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/// </summary>
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/// <param name="baseFile"></param>
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public Rom(BaseFile baseFile)
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{
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this.Name = baseFile.Filename;
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this.Size = baseFile.Size ?? -1;
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_crc = baseFile.CRC;
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_md5 = baseFile.MD5;
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#if NET_FRAMEWORK
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_ripemd160 = baseFile.RIPEMD160;
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#endif
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_sha1 = baseFile.SHA1;
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_sha256 = baseFile.SHA256;
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_sha384 = baseFile.SHA384;
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_sha512 = baseFile.SHA512;
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this.ItemType = ItemType.Rom;
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this.DupeType = 0x00;
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this.ItemStatus = ItemStatus.None;
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this.Date = baseFile.Date;
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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 Rom()
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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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Supported = this.Supported,
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Publisher = this.Publisher,
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Category = this.Category,
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Infos = this.Infos,
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PartName = this.PartName,
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PartInterface = this.PartInterface,
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Features = this.Features,
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AreaName = this.AreaName,
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AreaSize = this.AreaSize,
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MachineName = this.MachineName,
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Comment = this.Comment,
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MachineDescription = this.MachineDescription,
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Year = this.Year,
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Manufacturer = this.Manufacturer,
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RomOf = this.RomOf,
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CloneOf = this.CloneOf,
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SampleOf = this.SampleOf,
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SourceFile = this.SourceFile,
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Runnable = this.Runnable,
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Board = this.Board,
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RebuildTo = this.RebuildTo,
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Devices = this.Devices,
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MachineType = this.MachineType,
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IndexId = this.IndexId,
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IndexSource = this.IndexSource,
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Size = this.Size,
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_crc = this._crc,
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_md5 = this._md5,
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#if NET_FRAMEWORK
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_ripemd160 = this._ripemd160,
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#endif
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_sha1 = this._sha1,
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_sha256 = this._sha256,
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_sha384 = this._sha384,
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_sha512 = this._sha512,
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ItemStatus = this.ItemStatus,
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Date = this.Date,
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};
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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 Rom
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Rom newOther = other as Rom;
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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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// If we have a file that has no known size, rely on the hashes only
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else if (Size == -1 && HashMatch(newOther))
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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 (Size == newOther.Size && 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 Rom
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/// </summary>
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/// <param name="other">Rom to fill information from</param>
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public void FillMissingInformation(Rom other)
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{
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if (Size == -1 && other.Size != -1)
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Size = other.Size;
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if (_crc.IsNullOrEmpty() && !other._crc.IsNullOrEmpty())
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_crc = other._crc;
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if (_md5.IsNullOrEmpty() && !other._md5.IsNullOrEmpty())
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_md5 = other._md5;
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#if NET_FRAMEWORK
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if (_ripemd160.IsNullOrEmpty() && !other._ripemd160.IsNullOrEmpty())
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_ripemd160 = other._ripemd160;
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#endif
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if (_sha1.IsNullOrEmpty() && !other._sha1.IsNullOrEmpty())
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_sha1 = other._sha1;
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if (_sha256.IsNullOrEmpty() && !other._sha256.IsNullOrEmpty())
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_sha256 = other._sha256;
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if (_sha384.IsNullOrEmpty() && !other._sha384.IsNullOrEmpty())
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_sha384 = other._sha384;
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if (_sha512.IsNullOrEmpty() && !other._sha512.IsNullOrEmpty())
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_sha512 = other._sha512;
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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 (!_crc.IsNullOrEmpty())
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return $"_{CRC}";
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else 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 if (!_sha256.IsNullOrEmpty())
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return $"_{SHA256}";
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else if (!_sha384.IsNullOrEmpty())
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return $"_{SHA384}";
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else if (!_sha512.IsNullOrEmpty())
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return $"_{SHA512}";
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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 Rom
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/// </summary>
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/// <param name="other">Rom 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(Rom other)
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{
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return !(_crc.IsNullOrEmpty() ^ other._crc.IsNullOrEmpty())
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|| !(_md5.IsNullOrEmpty() ^ other._md5.IsNullOrEmpty())
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#if NET_FRAMEWORK
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|| !(_ripemd160.IsNullOrEmpty() || other._ripemd160.IsNullOrEmpty())
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#endif
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|| !(_sha1.IsNullOrEmpty() ^ other._sha1.IsNullOrEmpty())
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|| !(_sha256.IsNullOrEmpty() ^ other._sha256.IsNullOrEmpty())
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|| !(_sha384.IsNullOrEmpty() ^ other._sha384.IsNullOrEmpty())
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|| !(_sha512.IsNullOrEmpty() ^ other._sha512.IsNullOrEmpty());
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}
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/// <summary>
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/// Returns if the Rom 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 !_crc.IsNullOrEmpty()
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|| !_md5.IsNullOrEmpty()
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#if NET_FRAMEWORK
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|| !_ripemd160.IsNullOrEmpty()
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#endif
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|| !_sha1.IsNullOrEmpty()
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|| !_sha256.IsNullOrEmpty()
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|| !_sha384.IsNullOrEmpty()
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|| !_sha512.IsNullOrEmpty();
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}
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/// <summary>
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/// Returns if any hashes are common with another Rom
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/// </summary>
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/// <param name="other">Rom 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(Rom 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(_crc, other._crc)
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&& ConditionalHashEquals(_md5, other._md5)
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#if NET_FRAMEWORK
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&& ConditionalHashEquals(_ripemd160, other._ripemd160)
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#endif
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&& ConditionalHashEquals(_sha1, other._sha1)
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&& ConditionalHashEquals(_sha256, other._sha256)
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&& ConditionalHashEquals(_sha384, other._sha384)
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&& ConditionalHashEquals(_sha512, other._sha512);
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}
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#endregion
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#region Filtering
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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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/// <returns>True if the item passed the filter, false otherwise</returns>
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public override bool PassesFilter(Filter filter)
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{
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// Check common fields first
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if (!base.PassesFilter(filter))
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return false;
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// Filter on bios
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if (filter.Bios.MatchesPositiveSet(Bios) == false)
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return false;
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if (filter.Bios.MatchesNegativeSet(Bios) == true)
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return false;
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// Filter on rom size
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if (filter.Size.MatchesNeutral(-1, Size) == false)
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return false;
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else if (filter.Size.MatchesPositive(-1, Size) == false)
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return false;
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else if (filter.Size.MatchesNegative(-1, Size) == false)
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return false;
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// Filter on CRC
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if (filter.CRC.MatchesPositiveSet(CRC) == false)
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return false;
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if (filter.CRC.MatchesNegativeSet(CRC) == true)
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return false;
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// Filter on MD5
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if (filter.MD5.MatchesPositiveSet(MD5) == false)
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return false;
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if (filter.MD5.MatchesNegativeSet(MD5) == true)
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return false;
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#if NET_FRAMEWORK
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// Filter on RIPEMD160
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if (filter.RIPEMD160.MatchesPositiveSet(RIPEMD160) == false)
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return false;
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if (filter.RIPEMD160.MatchesNegativeSet(RIPEMD160) == true)
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return false;
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#endif
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// Filter on SHA-1
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if (filter.SHA1.MatchesPositiveSet(SHA1) == false)
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return false;
|
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if (filter.SHA1.MatchesNegativeSet(SHA1) == true)
|
|
return false;
|
|
|
|
// Filter on SHA-256
|
|
if (filter.SHA256.MatchesPositiveSet(SHA256) == false)
|
|
return false;
|
|
if (filter.SHA256.MatchesNegativeSet(SHA256) == true)
|
|
return false;
|
|
|
|
// Filter on SHA-384
|
|
if (filter.SHA384.MatchesPositiveSet(SHA384) == false)
|
|
return false;
|
|
if (filter.SHA384.MatchesNegativeSet(SHA384) == true)
|
|
return false;
|
|
|
|
// Filter on SHA-512
|
|
if (filter.SHA512.MatchesPositiveSet(SHA512) == false)
|
|
return false;
|
|
if (filter.SHA512.MatchesNegativeSet(SHA512) == true)
|
|
return false;
|
|
|
|
// Filter on merge tag
|
|
if (filter.MergeTag.MatchesPositiveSet(MergeTag) == false)
|
|
return false;
|
|
if (filter.MergeTag.MatchesNegativeSet(MergeTag) == true)
|
|
return false;
|
|
|
|
// Filter on region
|
|
if (filter.Region.MatchesPositiveSet(Region) == false)
|
|
return false;
|
|
if (filter.Region.MatchesNegativeSet(Region) == true)
|
|
return false;
|
|
|
|
// Filter on offset
|
|
if (filter.Offset.MatchesPositiveSet(Offset) == false)
|
|
return false;
|
|
if (filter.Offset.MatchesNegativeSet(Offset) == true)
|
|
return false;
|
|
|
|
// Filter on date
|
|
if (filter.Date.MatchesPositiveSet(Date) == false)
|
|
return false;
|
|
if (filter.Date.MatchesNegativeSet(Date) == true)
|
|
return false;
|
|
|
|
// Filter on status
|
|
if (filter.Status.MatchesPositive(ItemStatus.NULL, ItemStatus) == false)
|
|
return false;
|
|
if (filter.Status.MatchesNegative(ItemStatus.NULL, ItemStatus) == true)
|
|
return false;
|
|
|
|
// Filter on optional
|
|
if (filter.Optional.MatchesNeutral(null, Optional) == false)
|
|
return false;
|
|
|
|
// Filter on inverted
|
|
if (filter.Inverted.MatchesNeutral(null, Inverted) == false)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
#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">BucketedBy 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(BucketedBy 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 BucketedBy.CRC:
|
|
key = CRC;
|
|
break;
|
|
|
|
case BucketedBy.MD5:
|
|
key = MD5;
|
|
break;
|
|
|
|
#if NET_FRAMEWORK
|
|
case BucketedBy.RIPEMD160:
|
|
key = RIPEMD160;
|
|
break;
|
|
#endif
|
|
|
|
case BucketedBy.SHA1:
|
|
key = SHA1;
|
|
break;
|
|
|
|
case BucketedBy.SHA256:
|
|
key = SHA256;
|
|
break;
|
|
|
|
case BucketedBy.SHA384:
|
|
key = SHA384;
|
|
break;
|
|
|
|
case BucketedBy.SHA512:
|
|
key = SHA512;
|
|
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="updateFields">List of Fields representing what should be updated</param>
|
|
public override void ReplaceFields(DatItem item, List<Field> updateFields)
|
|
{
|
|
// Replace common fields first
|
|
base.ReplaceFields(item, updateFields);
|
|
|
|
// If we don't have a Rom to replace from, ignore specific fields
|
|
if (item.ItemType != ItemType.Rom)
|
|
return;
|
|
|
|
// Cast for easier access
|
|
Rom newItem = item as Rom;
|
|
|
|
// Replace the fields
|
|
if (updateFields.Contains(Field.Bios))
|
|
Bios = newItem.Bios;
|
|
|
|
if (updateFields.Contains(Field.Size))
|
|
Size = newItem.Size;
|
|
|
|
if (updateFields.Contains(Field.CRC))
|
|
{
|
|
if (string.IsNullOrEmpty(CRC) && !string.IsNullOrEmpty(newItem.CRC))
|
|
CRC = newItem.CRC;
|
|
}
|
|
|
|
if (updateFields.Contains(Field.MD5))
|
|
{
|
|
if (string.IsNullOrEmpty(MD5) && !string.IsNullOrEmpty(newItem.MD5))
|
|
MD5 = newItem.MD5;
|
|
}
|
|
|
|
#if NET_FRAMEWORK
|
|
if (updateFields.Contains(Field.RIPEMD160))
|
|
{
|
|
if (string.IsNullOrEmpty(RIPEMD160) && !string.IsNullOrEmpty(newItem.RIPEMD160))
|
|
RIPEMD160 = newItem.RIPEMD160;
|
|
}
|
|
#endif
|
|
|
|
if (updateFields.Contains(Field.SHA1))
|
|
{
|
|
if (string.IsNullOrEmpty(SHA1) && !string.IsNullOrEmpty(newItem.SHA1))
|
|
SHA1 = newItem.SHA1;
|
|
}
|
|
|
|
if (updateFields.Contains(Field.SHA256))
|
|
{
|
|
if (string.IsNullOrEmpty(SHA256) && !string.IsNullOrEmpty(newItem.SHA256))
|
|
SHA256 = newItem.SHA256;
|
|
}
|
|
|
|
if (updateFields.Contains(Field.SHA384))
|
|
{
|
|
if (string.IsNullOrEmpty(SHA384) && !string.IsNullOrEmpty(newItem.SHA384))
|
|
SHA384 = newItem.SHA384;
|
|
}
|
|
|
|
if (updateFields.Contains(Field.SHA512))
|
|
{
|
|
if (string.IsNullOrEmpty(SHA512) && !string.IsNullOrEmpty(newItem.SHA512))
|
|
SHA512 = newItem.SHA512;
|
|
}
|
|
|
|
if (updateFields.Contains(Field.Merge))
|
|
MergeTag = newItem.MergeTag;
|
|
|
|
if (updateFields.Contains(Field.Region))
|
|
Region = newItem.Region;
|
|
|
|
if (updateFields.Contains(Field.Offset))
|
|
Offset = newItem.Offset;
|
|
|
|
if (updateFields.Contains(Field.Date))
|
|
Date = newItem.Date;
|
|
|
|
if (updateFields.Contains(Field.Status))
|
|
ItemStatus = newItem.ItemStatus;
|
|
|
|
if (updateFields.Contains(Field.Optional))
|
|
Optional = newItem.Optional;
|
|
|
|
if (updateFields.Contains(Field.Inverted))
|
|
Inverted = newItem.Inverted;
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|