[DatFile] Add hashOnly check for verify

SabreTools.Helper/Data/Build.cs

@@ -379,6 +379,7 @@ namespace SabreTools.Helper.Data
 					helptext.Add("  -ve, --verify		Verify a folder against DATs");
 						helptext.Add("	-dat=			Input DAT to verify against");
 						helptext.Add("	-t=, --temp=		Set the temporary directory to use");
+						helptext.Add("	-ho, --hash-only	Check files by hash only");
 						helptext.Add("	-h=, --header=		Set a header skipper to use, blank means all");
 
 					// Additional Notes

SabreTools.Helper/Dats/Partials/DatFile.Rebuild.cs

@@ -1,12 +1,10 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Threading.Tasks;
 
 using SabreTools.Helper.Data;
 using SabreTools.Helper.Skippers;
 using SabreTools.Helper.Tools;
-using SharpCompress.Common;
 
 #if MONO
 using System.IO;
@@ -468,13 +466,13 @@ namespace SabreTools.Helper.Dats
 		/// <summary>
 		/// Process the DAT and verify the output directory
 		/// </summary>
-		/// <param name="datFile">DAT to use to verify the directory</param>
 		/// <param name="inputs">List of input directories to compare against</param>
 		/// <param name="tempDir">Temporary directory for archive extraction</param>
+		/// <param name="hashOnly">True if only hashes should be checked, false for full file information</param>
 		/// <param name="headerToCheckAgainst">Populated string representing the name of the skipper to use, a blank string to use the first available checker, null otherwise</param>
 		/// <param name="logger">Logger object for file and console output</param>
 		/// <returns>True if verification was a success, false otherwise</returns>
-		public bool VerifyDirectory(List<string> inputs, string tempDir, string headerToCheckAgainst, Logger logger)
+		public bool VerifyDirectory(List<string> inputs, string tempDir, bool hashOnly, string headerToCheckAgainst, Logger logger)
 		{
 			// First create or clean the temp directory
 			if (!Directory.Exists(tempDir))
@@ -509,8 +507,30 @@ namespace SabreTools.Helper.Dats
 			matched.Description = "fixDat_" + matched.Description;
 			matched.DatFormat = DatFormat.Logiqx;
 
-			// Now that all files are parsed, get only files found in directory
+			// If we are checking hashes only, essentially diff the inputs
 			bool found = false;
+			if (hashOnly)
+			{
+				// First we need to sort by hash to get duplicates
+				BucketBySHA1(true, logger, output: false);
+
+				// Then follow the same tactics as before
+				foreach (string key in Keys)
+				{
+					List<DatItem> roms = this[key];
+					foreach (Rom rom in roms)
+					{
+						if (rom.SourceID == 99)
+						{
+							found = true;
+							matched.Add(rom.Size + "-" + rom.CRC, rom);
+						}
+					}
+				}
+			}
+			// If we are checking full names, get only files found in directory
+			else
+			{
 				foreach (string key in Keys)
 				{
 					List<DatItem> roms = this[key];
@@ -524,6 +544,7 @@ namespace SabreTools.Helper.Dats
 						}
 					}
 				}
+			}
 
 			// Now output the fixdat to the main folder
 			if (found)

SabreTools.Helper/README.1ST

@@ -901,6 +901,11 @@ Options:
 			(inside the running folder) is not preferred. This is used for any operations that
 			require an archive to be extracted.
 			
+		-ho, --hash-only	Check files by hash only
+			This sets a mode where files are not checked based on name but rather hash alone.
+			This allows verification of (possibly) incorrectly named folders and sets to be
+			verified without worrying about the proper set structure to be there.
+			
 		-h=, --header=		Remove headers from hash calculations
 			If this is set, then all files that have copier headers that are detected will
 			have them removed from the hash calculation. This will allow for a headered collection

SabreTools/Partials/SabreTools.Inits.cs

@@ -789,8 +789,9 @@ namespace SabreTools
 		/// <param name="datfiles">Names of the DATs to compare against</param>
 		/// <param name="inputs">Input directories to compare against</param>
 		/// <param name="tempDir">Temporary directory for archive extraction</param>
+		/// <param name="hashOnly">True if only hashes should be checked, false for full file information</param>
 		/// <param name="headerToCheckAgainst">Populated string representing the name of the skipper to use, a blank string to use the first available checker, null otherwise</param>
-		private static void InitVerify(List<string> datfiles, List<string> inputs, string tempDir, string headerToCheckAgainst)
+		private static void InitVerify(List<string> datfiles, List<string> inputs, string tempDir, bool hashOnly, string headerToCheckAgainst)
 		{
 			// Get the archive scanning level
 			ArchiveScanLevel asl = ArchiveTools.GetArchiveScanLevelFromNumbers(1, 1, 1, 1);
@@ -806,7 +807,7 @@ namespace SabreTools
 			}
 			_logger.User("Populating complete in " + DateTime.Now.Subtract(start).ToString(@"hh\:mm\:ss\.fffff"));
 
-			datdata.VerifyDirectory(inputs, tempDir, headerToCheckAgainst, _logger);
+			datdata.VerifyDirectory(inputs, tempDir, hashOnly, headerToCheckAgainst, _logger);
 		}
 
 		#endregion

SabreTools/SabreTools.cs

@@ -78,6 +78,7 @@ namespace SabreTools
 				delete = false, // SimpleSort
 				enableGzip = false,
 				excludeOf = false,
+				hashOnly = false,
 				inplace = false,
 				inverse = false, // SimpleSort
 				merge = false,
@@ -306,6 +307,10 @@ namespace SabreTools
 					case "--gz-files":
 						enableGzip = true;
 						break;
+					case "-ho":
+					case "--hash-only":
+						hashOnly = true;
+						break;
 					case "-html":
 					case "--html":
 						statDatFormat |= StatDatFormat.HTML;
@@ -1104,7 +1109,7 @@ namespace SabreTools
 			// If we're using the verifier
 			else if (verify)
 			{
-				InitVerify(datfiles, inputs, tempDir, header);
+				InitVerify(datfiles, inputs, tempDir, hashOnly, header);
 			}
 
 			// If nothing is set, show the help