[Build] Add subset system to help

SabreTools.Helper/Data/Build.cs

@@ -61,12 +61,18 @@ namespace SabreTools.Helper.Data
 		/// Show the help dialog for a given class
 		/// </summary>
 		/// <param name="className">Name of the class to get help for, "Credits" for developer credits</param>
-		public static void Help(string className)
+		public static void Help(string className, string subset = null)
 		{
 			//http://stackoverflow.com/questions/14849367/how-to-determine-calling-method-and-class-name
 			string barrier = "-----------------------------------------";
 			List<string> helptext = new List<string>();
 
+			// Normalize the subset text
+			if (subset != null)
+			{
+				subset = subset.ToLowerInvariant().TrimStart('-');
+			}
+
 			// Set the help text
 			switch (className)
 			{
@@ -149,6 +155,8 @@ namespace SabreTools.Helper.Data
 					helptext.Add("  --script		Enable script mode (no clear screen)");
 
 					// DATFromDir
+					if (subset == null || subset == "d" || subset == "dfd" || subset == "d2d")
+					{
 						helptext.Add("  -d, --dfd, --d2d	Create a DAT from an input directory");
 							helptext.Add("	-nm, --noMD5		Don't include MD5 in output");
 							helptext.Add("	-ns, --noSHA1		Don't include SHA1 in output");
@@ -188,32 +196,51 @@ namespace SabreTools.Helper.Data
 							helptext.Add("	-h=, --header=		Set a header skipper to use, blank means all");
 							helptext.Add("	-t=, --temp=		Set the temporary directory to use");
 							helptext.Add("	-mt={4}			Amount of threads to use (-1 unlimted)");
+					}
+					
 
 					// Extension Split
+					if (subset == null || subset == "es" || subset == "ext-split")
+					{
 						helptext.Add("  -es, --ext-split	Split a DAT by two file extensions");
 							helptext.Add("	-exta=			First set of extensions (comma-separated)");
 							helptext.Add("	-extb=			Second set of extensions (comma-separated)");
 							helptext.Add("	-out=			Output directory");
+					}
 
 					// Extract and Remove Headers
+					if (subset == null || subset == "ex" || subset == "extract")
+					{
 						helptext.Add("  -ex, --extract	Extract and remove copier headers");
 							helptext.Add("	-out=				Output directory");
+					}
 
 					// Hash Split
+					if (subset == null || subset == "hs" || subset == "hash-split")
+					{
 						helptext.Add("  -hs, --hash-split	Split a DAT or folder by best-available hashes");
 							helptext.Add("	-out=			Output directory");
+					}
 
 					// Level/SuperDAT Split
+					if (subset == null || subset == "ls" || subset == "lvl-split")
+					{
 						helptext.Add("  -ls, --lvl-split	Split a SuperDAT or folder by internal path");
 							helptext.Add("	-out=			Output directory");
 							helptext.Add("	-s, --short		Use short output names");
 							helptext.Add("	-ba, --base		Use source DAT as base name for outputs");
+					}
 
 					// Restore Headers
+					if (subset == null || subset == "re" || subset == "restore")
+					{
 						helptext.Add("	-re, --restore		Restore header to file based on SHA-1");
 							helptext.Add("	-out=				Output directory");
+					}
 
 					// Sort
+					if (subset == null || subset == "ss" || subset == "sort")
+					{
 						helptext.Add("  -ss, --sort		Sort input files by a set of DATs");
 							helptext.Add("	-dat=			Input DAT to rebuild against");
 							helptext.Add("	-out=			Output directory");
@@ -237,9 +264,12 @@ namespace SabreTools.Helper.Data
 							helptext.Add("	-zip={1}		Set scanning level for ZIP archives");
 							helptext.Add("	-ud, --update-dat	Output updated DAT to output directory");
 							helptext.Add("	-mt={4}			Amount of threads to use (-1 unlimted)");
+					}
 
 					// Sort Depot
-					helptext.Add("  -ssd, --sort		Sort input files by a set of DATs");
+					if (subset == null || subset == "ssd" || subset == "sort-depot")
+					{
+						helptext.Add("  -ssd, --sort-depot	Sort input files by a set of DATs");
 							helptext.Add("	-dat=			Input DAT to rebuild against");
 							helptext.Add("	-out=			Output directory");
 							helptext.Add("	-t=, --temp=		Set the temporary directory to use");
@@ -257,8 +287,11 @@ namespace SabreTools.Helper.Data
 							helptext.Add("	-h=, --header=		Set a header skipper to use, blank means all");
 							helptext.Add("	-ud, --update-dat	Output updated DAT to output directory");
 							helptext.Add("	-mt={4}			Amount of threads to use (-1 unlimted)");
+					}
 
 					// Stats
+					if (subset == null || subset == "st" || subset == "stats")
+					{
 						helptext.Add("  -st, --stats		Get statistics on all input DATs");
 							helptext.Add("	-bc, --baddump-col	Add baddump stats to output");
 							helptext.Add("	-csv, --csv		Output in Comma-Separated Value format");
@@ -268,12 +301,18 @@ namespace SabreTools.Helper.Data
 							helptext.Add("	-nc, --nodump-col	Add nodump stats to output");
 							helptext.Add("	-si, --single		Show individual statistics");
 							helptext.Add("	-tsv, --tsv		Output in Tab-Separated Value format");
+					}
 
 					// Type Split
+					if (subset == null || subset == "ts" || subset == "type-split")
+					{
 						helptext.Add("  -ts, --type-split		Split a DAT or folder by file types (rom/disk)");
 							helptext.Add("	-out=			Output directory");
+					}
 
 					// Update
+					if (subset == null || subset == "ud" || subset == "update")
+					{
 						helptext.Add("  -ud, --update		Update a DAT file");
 							helptext.Add("	-oa, --output-all	Output in all formats");
 							helptext.Add("	-oam, --output-am	Output in AttractMode format");
@@ -394,22 +433,31 @@ namespace SabreTools.Helper.Data
 							helptext.Add("	-nrun, --not-run	Include only items that are marked unrunnable");
 							helptext.Add("	-out=			Output directory (overridden by --inplace)");
 							helptext.Add("	-mt={4}			Amount of threads to use (-1 unlimted)");
+						}
 
 					// Verify
+					if (subset == null || subset == "ve" || subset == "verify")
+					{
 						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("	-qs, --quick		Enable quick scanning of archives");
 							helptext.Add("	-h=, --header=		Set a header skipper to use, blank means all");
+					}
 
-					// Additional Notes
+					// Additional notes
+					if (subset == null || subset == "ss" || subset == "sort")
+					{
 						helptext.Add("");
 						helptext.Add("Archive scanning levels:");
 							helptext.Add("  0	Hash archive and contents");
 							helptext.Add("  1	Only hash contents");
 							helptext.Add("  2	Only hash archive");
+					}
 
+					if (subset == null || subset == "ud" || subset == "update")
+					{
 						helptext.Add("");
 						helptext.Add("Filter parameters game name, rom name, CRC, MD5, SHA-1 can");
 							helptext.Add("do partial matches using asterisks as follows (case insensitive):");
@@ -421,6 +469,7 @@ namespace SabreTools.Helper.Data
 						helptext.Add("");
 						helptext.Add("Filter parameters for size can use postfixes for inputs:");
 						helptext.Add("	e.g. 8kb => 8000 or 8kib => 8192");
+						}
 
 					helptext.Add("");
 					helptext.Add("Most of the filter parameters allow for multiple inputs:");