More Util methods -> extension methods

BizHawk.Client.Common/FirmwareManager.cs

@@ -2,7 +2,7 @@
 using System.IO;
 using System.Linq;
 
-using BizHawk.Common;
+using BizHawk.Common.BufferExtensions;
 using BizHawk.Emulation.Common;
 
 // IDEA: put filesizes in DB too. then scans can go real quick by only scanning filesizes that match (and then scanning filesizes that dont match, in case of an emergency)
@@ -81,7 +81,7 @@ namespace BizHawk.Client.Common
 					fs.Read(buffer, 0, (int)len);
 				}
 
-				rff.Hash = Util.Hash_SHA1(buffer, 0, (int)len);
+				rff.Hash = buffer.HashSHA1(0, (int)len);
 				dict[rff.Hash] = rff;
 				_files.Add(rff);
 				return rff;

BizHawk.Client.Common/XmlGame.cs

@@ -5,6 +5,7 @@ using System.Linq;
 using System.Xml;
 
 using BizHawk.Common;
+using BizHawk.Common.BufferExtensions;
 using BizHawk.Common.IOExtensions;
 using BizHawk.Emulation.Common;
 
@@ -94,7 +95,7 @@ namespace BizHawk.Client.Common
 						}
 					}
 
-					ret.GI.Hash = Util.Hash_SHA1(HashStream.GetBuffer(), 0, (int)HashStream.Length);
+					ret.GI.Hash = HashStream.GetBuffer().HashSHA1(0, (int)HashStream.Length);
 					HashStream.Close();
 					if (OriginalIndex != null)
 					{

BizHawk.Client.EmuHawk/MainForm.cs

@@ -8,10 +8,13 @@ using System.Text;
 using System.Threading;
 using System.Windows.Forms;
 
-using BizHawk.Client.Common;
 using BizHawk.Common;
+using BizHawk.Common.BufferExtensions;
 using BizHawk.Common.IOExtensions;
+
+using BizHawk.Client.Common;
 using BizHawk.Bizware.BizwareGL;
+
 using BizHawk.Emulation.Common;
 using BizHawk.Emulation.Common.IEmulatorExtensions;
 using BizHawk.Emulation.Cores.Atari.Atari2600;
@@ -3080,8 +3083,8 @@ namespace BizHawk.Client.EmuHawk
 					Global.Emulator.CoreComm.RomStatusDetails = string.Format(
 						"{0}\r\nSHA1:{1}\r\nMD5:{2}\r\n",
 						loader.Game.Name,
-						Util.Hash_SHA1(loader.Rom.RomData),
-						Util.Hash_MD5(loader.Rom.RomData));
+						loader.Rom.RomData.HashSHA1(),
+						loader.Rom.RomData.HashMD5());
 				}
 
 				if (Global.Emulator.BoardName != null)

BizHawk.Client.EmuHawk/tools/PCE/PCESoundDebugger.cs

@@ -8,9 +8,8 @@ using System.Linq;
 using System.Text;
 using System.Windows.Forms;
 
-using BizHawk.Common;
+using BizHawk.Common.BufferExtensions;
 using BizHawk.Client.Common;
-using BizHawk.Emulation.Cores.Nintendo.SNES;
 
 using BizHawk.Emulation.Cores.PCEngine;
 using BizHawk.Emulation.Common.Components;
@@ -93,7 +92,7 @@ namespace BizHawk.Client.EmuHawk
 				foreach (var s in waveform)
 					bw.Write(s);
 				bw.Flush();
-				string md5 = Util.Hash_MD5(waveformTemp);
+				string md5 = waveformTemp.HashMD5();
 
 				if (!PSGEntryTable.ContainsKey(md5))
 				{

BizHawk.Common/Extensions/BufferExtensions.cs

@@ -2,6 +2,7 @@
 using System.Globalization;
 using System.IO;
 using System.Text;
+using System.Security.Cryptography;
 
 namespace BizHawk.Common.BufferExtensions
 {
@@ -183,6 +184,34 @@ namespace BizHawk.Common.BufferExtensions
 			return (result >= pattern.Length - 1);
 		}
 
+		public static string HashMD5(this byte[] data, int offset, int len)
+		{
+			using (var md5 = MD5.Create())
+			{
+				md5.ComputeHash(data, offset, len);
+				return md5.Hash.BytesToHexString();
+			}
+		}
+
+		public static string HashMD5(this byte[] data)
+		{
+			return HashMD5(data, 0, data.Length);
+		}
+
+		public static string HashSHA1(this byte[] data, int offset, int len)
+		{
+			using (var sha1 = SHA1.Create())
+			{
+				sha1.ComputeHash(data, offset, len);
+				return sha1.Hash.BytesToHexString();
+			}
+		}
+
+		public static string HashSHA1(this byte[] data)
+		{
+			return HashSHA1(data, 0, data.Length);
+		}
+
 		#region Helpers
 
 		private static int Hex2Int(char c)

BizHawk.Common/Util.cs

@@ -20,34 +20,6 @@ namespace BizHawk.Common
 
 		public static char* HexConvPtr { get; set; }
 
-		public static string Hash_MD5(byte[] data, int offset, int len)
-		{
-			using (var md5 = System.Security.Cryptography.MD5.Create())
-			{
-				md5.ComputeHash(data, offset, len);
-				return md5.Hash.BytesToHexString();
-			}
-		}
-
-		public static string Hash_MD5(byte[] data)
-		{
-			return Hash_MD5(data, 0, data.Length);
-		}
-
-		public static string Hash_SHA1(byte[] data, int offset, int len)
-		{
-			using (var sha1 = System.Security.Cryptography.SHA1.Create())
-			{
-				sha1.ComputeHash(data, offset, len);
-				return sha1.Hash.BytesToHexString();
-			}
-		}
-
-		public static string Hash_SHA1(byte[] data)
-		{
-			return Hash_SHA1(data, 0, data.Length);
-		}
-
 		public static bool IsPowerOfTwo(int x)
 		{
 			if (x == 0 || x == 1)

BizHawk.Emulation.Common/Database/Database.cs

@@ -217,13 +217,13 @@ namespace BizHawk.Emulation.Common
 				return new GameInfo(cgi);
 			}
 
-			hash = Util.Hash_MD5(romData);
+			hash = romData.HashMD5();
 			if (db.TryGetValue(hash, out cgi))
 			{
 				return new GameInfo(cgi);
 			}
 
-			hash = Util.Hash_SHA1(romData);
+			hash = romData.HashSHA1();
 			if (db.TryGetValue(hash, out cgi))
 			{
 				return new GameInfo(cgi);

BizHawk.Emulation.Cores/Consoles/Atari/2600/Atari2600.Core.cs

@@ -2,6 +2,8 @@
 
 using BizHawk.Common;
 using BizHawk.Common.NumberExtensions;
+using BizHawk.Common.BufferExtensions;
+
 using BizHawk.Emulation.Common;
 using BizHawk.Emulation.Cores.Components.M6502;
 
@@ -311,8 +313,8 @@ namespace BizHawk.Emulation.Cores.Atari.Atari2600
 				string.Format(
 					"{0}\r\nSHA1:{1}\r\nMD5:{2}\r\nMapper Impl \"{3}\"",
 					this._game.Name,
-					Util.Hash_SHA1(Rom),
-					Util.Hash_MD5(Rom),
+					Rom.HashSHA1(),
+					Rom.HashMD5(),
 					_mapper.GetType());
 		}
 

BizHawk.Emulation.Cores/Consoles/Atari/2600/Atari2600.cs

@@ -4,6 +4,7 @@ using System.IO;
 using System.Linq;
 
 using BizHawk.Common;
+using BizHawk.Common.BufferExtensions;
 using BizHawk.Emulation.Common;
 
 namespace BizHawk.Emulation.Cores.Atari.Atari2600
@@ -165,7 +166,7 @@ namespace BizHawk.Emulation.Cores.Atari.Atari2600
 				Name = _game.Name,
 				System = "A26",
 				MetaData = "m=" + _mapper.GetType().ToString().Split('.').ToList().Last(),
-				Hash = Util.Hash_SHA1(Rom),
+				Hash = Rom.HashSHA1(),
 				Region = _game.Region,
 				Status = RomStatus.Unknown
 			};

BizHawk.Emulation.Cores/Consoles/Nintendo/Gameboy/Gambatte.cs

@@ -1,11 +1,12 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
 using System.IO;
 
-using BizHawk.Common;
+using BizHawk.Common.BufferExtensions;
 using BizHawk.Emulation.Common;
+
 using Newtonsoft.Json;
-using System.ComponentModel;
 
 namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
 {
@@ -145,8 +146,8 @@ namespace BizHawk.Emulation.Cores.Nintendo.Gameboy
 
 				CoreComm.RomStatusDetails = string.Format("{0}\r\nSHA1:{1}\r\nMD5:{2}\r\n",
 					game.Name,
-					Util.Hash_SHA1(romdata), Util.Hash_MD5(romdata)
-					);
+					romdata.HashSHA1(),
+					romdata.HashMD5());
 
 				{
 					byte[] buff = new byte[32];

BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.cs

@@ -4,9 +4,11 @@ using System.IO;
 using System.Collections.Generic;
 
 using BizHawk.Common;
-using BizHawk.Emulation.Common;
-//TODO - redo all timekeeping in terms of master clock
+using BizHawk.Common.BufferExtensions;
 
+using BizHawk.Emulation.Common;
+
+//TODO - redo all timekeeping in terms of master clock
 namespace BizHawk.Emulation.Cores.Nintendo.NES
 {
 	[CoreAttributes(
@@ -546,9 +548,9 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 
 				//now that we know we have an iNES header, we can try to ignore it.
 
-				hash_sha1 = "sha1:" + Util.Hash_SHA1(file, 16, file.Length - 16);
+				hash_sha1 = "sha1:" + file.HashSHA1(16, file.Length - 16);
 				hash_sha1_several.Add(hash_sha1);
-				hash_md5 = "md5:" + Util.Hash_MD5(file, 16, file.Length - 16);
+				hash_md5 = "md5:" + file.HashMD5(16, file.Length - 16);
 
 				LoadWriteLine("Found iNES header:");
 				LoadWriteLine(iNesHeaderInfo.ToString());
@@ -572,10 +574,10 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 					msTemp.Write(file, 16 + 16 * 1024, iNesHeaderInfo.chr_size * 1024); //add chr
 					msTemp.Flush();
 					var bytes = msTemp.ToArray();
-					var hash = "sha1:" + Util.Hash_SHA1(bytes, 0, bytes.Length);
+					var hash = "sha1:" + bytes.HashSHA1(0, bytes.Length);
 					LoadWriteLine("  PRG (8KB) + CHR hash: {0}", hash);
 					hash_sha1_several.Add(hash);
-					hash = "md5:" + Util.Hash_MD5(bytes, 0, bytes.Length);
+					hash = "md5:" + bytes.HashMD5(0, bytes.Length);
 					LoadWriteLine("  PRG (8KB) + CHR hash:  {0}", hash);
 				}
 			}

BizHawk.Emulation.Cores/Consoles/Nintendo/NES/Unif.cs

@@ -4,7 +4,7 @@ using System.Linq;
 using System.Text;
 using System.IO;
 
-using BizHawk.Common;
+using BizHawk.Common.BufferExtensions;
 
 namespace BizHawk.Emulation.Cores.Nintendo.NES
 {
@@ -80,13 +80,18 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 			}
 
 			if (chunks.TryGetValue("MAPR", out tmp))
+			{
 				ci.board_type = Encoding.ASCII.GetString(tmp);
+			}
+
 			ci.board_type = ci.board_type.TrimEnd('\0');
 			ci.board_type = "UNIF_" + ci.board_type;
 
 			if (chunks.TryGetValue("BATR", out tmp))
+			{
 				// apparently, this chunk just existing means battery is yes
 				ci.wram_battery = true;
+			}
 
 			// is there any way using System.Security.Cryptography.SHA1 to compute the hash of
 			// prg concatentated with chr?  i couldn't figure it out, so this implementation is dumb
@@ -96,7 +101,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
 				ms.Write(chrrom, 0, chrrom.Length);
 				ms.Close();
 				byte[] all = ms.ToArray();
-				ci.sha1 = "sha1:" + Util.Hash_SHA1(all, 0, all.Length);
+				ci.sha1 = "sha1:" + all.HashSHA1(0, all.Length);
 			}
 
 			// other code will expect this

BizHawk.Emulation.Cores/Consoles/Nintendo/SNES/LibsnesCore.cs

@@ -333,7 +333,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.SNES
 			if (game["SGB"])
 			{
 				sgbRomData = CoreComm.CoreFileProvider.GetFirmware("SNES", "Rom_SGB", true, "SGB Rom is required for SGB emulation.");
-				game.FirmwareHash = Util.Hash_SHA1(sgbRomData);
+				game.FirmwareHash = sgbRomData.HashSHA1();
 			}
 	
 			ScanlineHookManager = new MyScanlineHookManager(this);

BizHawk.Emulation.Cores/Consoles/PC Engine/PCEngine.cs

@@ -4,8 +4,11 @@ using System.Globalization;
 using System.IO;
 
 using BizHawk.Common;
+using BizHawk.Common.BufferExtensions;
+
 using BizHawk.Emulation.Common;
 using BizHawk.Emulation.Common.Components;
+
 using BizHawk.Emulation.Cores.Components.H6280;
 using BizHawk.Emulation.DiscSystem;
 
@@ -131,7 +134,7 @@ namespace BizHawk.Emulation.Cores.PCEngine
 				throw new Exception();
 			}
 
-			game.FirmwareHash = Util.Hash_SHA1(rom);
+			game.FirmwareHash = rom.HashSHA1();
 
 			Init(game, rom);
 			// the default RomStatusDetails don't do anything with Disc

BizHawk.Emulation.DiscSystem/Disc.API.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Collections.Generic;
 
-using BizHawk.Common;
+using BizHawk.Common.BufferExtensions;
 
 //main apis for emulator core routine use
 
@@ -297,7 +297,7 @@ namespace BizHawk.Emulation.DiscSystem
 				for (int s = 0; s < 512 && s < track.length_aba; s++)
 					ReadABA_2352(track.Indexes[1].aba + s, buffer, s * 2352);
 
-				return Util.Hash_MD5(buffer, 0, lba_len * 2352);
+				return buffer.HashMD5(0, lba_len * 2352);
 			}
 			return "no data track found";
 		}