Convert Headerer to use external header files

SabreHelper/Remapping.cs

@@ -10,7 +10,7 @@ namespace SabreTools.Helper
 	/// </summary>
 	public class Remapping
 	{
-		// Remapping classes represented by dictionaries
+		// Remapping classes represented by dictionaries (from, to)
 		public static Dictionary<string, string> MAME = new Dictionary<string, string>();
 		public static Dictionary<string, string> MaybeIntro = new Dictionary<string, string>();
 		public static Dictionary<string, string> NoIntro = new Dictionary<string, string>();
@@ -19,6 +19,15 @@ namespace SabreTools.Helper
 		public static Dictionary<string, string> TOSEC = new Dictionary<string, string>();
 		public static Dictionary<string, string> TruRip = new Dictionary<string, string>();
 
+		// Header skip classes represented by dictionaries (header, size)
+		public static Dictionary<string, int> A7800 = new Dictionary<string, int>();
+		public static Dictionary<string, int> FDS = new Dictionary<string, int>();
+		public static Dictionary<string, int> Lynx = new Dictionary<string, int>();
+		//public static Dictionary<string, int> N64 = new Dictionary<string, int>();
+		public static Dictionary<string, int> NES = new Dictionary<string, int>();
+		public static Dictionary<string, int> PCE = new Dictionary<string, int>();
+		public static Dictionary<string, int> SNES = new Dictionary<string, int>();
+
 		/// <summary>
 		/// Create all remappings to be used by the program
 		/// </summary>
@@ -111,5 +120,115 @@ namespace SabreTools.Helper
 				}
 			}
 		}
+
+		/// <summary>
+		/// Create all header mappings to be used by the program
+		/// </summary>
+		public static void CreateHeaderSkips()
+		{
+			// Create array of dictionary names
+			string[] skippers =
+			{
+				"a780", "fds", "lynx", /* "n64", */ "nes", "pce", "snes",
+			};
+
+			// Loop through and add all remappings
+			foreach (string skipper in skippers)
+			{
+				SkipperHelper(skipper);
+			}
+		}
+
+		/// <summary>
+		/// Create a remapping from XML
+		/// </summary>
+		/// <param name="skipper">Name of the header skipper to be populated</param>
+		private static void SkipperHelper(string skipper)
+		{
+			// Read in remapping from file
+			XmlDocument doc = new XmlDocument();
+			try
+			{
+				doc.LoadXml(File.ReadAllText("Skippers/" + skipper + ".xml"));
+			}
+			catch (XmlException ex)
+			{
+				Console.WriteLine(skipper + " header skippers could not be loaded! " + ex.ToString());
+				return;
+			}
+
+			// Get the detector parent node
+			XmlNode node = doc.FirstChild;
+			while (node.Name != "detector")
+			{
+				node = node.NextSibling;
+			}
+
+			// Get the first rule node
+			node = node.FirstChild;
+			while (node.NodeType != XmlNodeType.Element && node.Name != "rule")
+			{
+				node = node.NextSibling;
+			}
+
+			// Now read in the rules
+			while (node != null && node.Name == "rule")
+			{
+				// Size is the offset for the actual game data
+				int size = (node.Attributes["start_offset"] != null ? Convert.ToInt32(node.Attributes["start_offset"].Value, 16) : 0);
+
+				// Each rule set can have more than one data rule. We can't really use multiples right now
+				if (node.SelectNodes("data") != null)
+				{
+					foreach (XmlNode child in node.SelectNodes("data"))
+					{
+						// Add an offset to the match if one exists
+						string header = (child.Attributes["offset"] != null && child.Attributes["offset"].Value != "0" ? "^.{" + Convert.ToInt32(child.Attributes["offset"].Value, 16) + "}" : "^");
+						header += child.Attributes["value"].Value;
+
+						// Now add the header and value to the appropriate skipper dictionary
+						switch (skipper)
+						{
+							case "a7800":
+								A7800.Add(header, size);
+								break;
+							case "fds":
+								FDS.Add(header, size);
+								break;
+							case "lynx":
+								Lynx.Add(header, size);
+								break;
+							/*
+							case "n64":
+								N64.Add(header, size);
+								break;
+							*/
+							case "nes":
+								NES.Add(header, size);
+								break;
+							case "pce":
+								PCE.Add(header, size);
+								break;
+							case "snes":
+								SNES.Add(header, size);
+								break;
+						}
+					}
+				}
+
+				// Get the next node and skip over anything that's not an element
+				node = node.NextSibling;
+
+				if (node == null)
+				{
+					break;
+				}
+
+				while (node.NodeType != XmlNodeType.Element && node.Name != "rule")
+				{
+					node = node.NextSibling;
+				}
+			}
+		}
 	}
 }