Simplified importing DATs into the database by first converting all of them to XML and then having a unified parser. As a consequence of this, there is also the ability to directly convert one RV DAT to an equivalent XML DAT now.

DATabase/Converters.cs

@@ -0,0 +1,90 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text.RegularExpressions;
+using System.Xml.Linq;
+
+namespace DATabase
+{
+	class Converters
+	{
+		private static string _headerPattern = @"(^.*?) \($";
+		private static string _romPattern = @"^\s+((?:rom)|(?:disk)) \( (name) ""(.*?)"" (?:(size) (.*?) )?(?:(crc) (.*?))?(?:(md5) (.*?) )?(?:(sha1) (.*?) )?\)";
+		private static string _itemPattern = @"^\s+(.*?) ""(.*?)""";
+		private static string _endPattern = @"^\s*\)\s*$";
+
+		public static XElement RomVaultToXML (string[] filecontents)
+		{
+			XElement elem = new XElement("datafile");
+
+			bool block = false;
+			for (int k = 0; k < filecontents.Length; k++)
+			{
+				string line = filecontents[k];
+
+				// If the line is the header or a game
+				if (Regex.IsMatch(line, _headerPattern))
+				{
+					GroupCollection gc = Regex.Match(line, _headerPattern).Groups;
+
+					if (gc[1].Value == "clrmamepro" || gc[1].Value == "romvault")
+					{
+						elem.Add(new XElement("header"));
+						elem = elem.Elements("header").Last();
+					}
+					else
+					{
+						elem.Add(new XElement(gc[1].Value));
+						elem = elem.Elements(gc[1].Value).Last();
+					}
+					
+					block = true;
+				}
+
+				// If the line is a rom or disk and we're in a block
+				else if (Regex.IsMatch(line, _romPattern) && block)
+			    {
+					GroupCollection gc = Regex.Match(line, _romPattern).Groups;
+
+					XElement temp = new XElement(gc[1].Value);
+
+					// Loop over all attributes and add them if possible
+					for (int i = 1; i < gc.Count; i++)
+					{
+						if (i + 2 < gc.Count)
+						{
+							temp.SetAttributeValue(gc[i+1].Value, gc[i+2].Value);
+							i++;
+						}
+					}
+
+					elem.Add(new XElement(temp));
+				}
+				// If the line is anything but a rom or disk  and we're in a block
+				else if (Regex.IsMatch(line, _itemPattern) && block)
+				{
+					GroupCollection gc = Regex.Match(line, _itemPattern).Groups;
+
+					if (gc[1].Value == "name" && elem.Name != "header")
+					{
+						elem.SetAttributeValue(gc[1].Value, gc[2].Value);
+						elem.Add(new XElement("description", gc[2].Value));
+					}
+					else
+					{
+						elem.Add(new XElement(gc[1].Value, gc[2].Value));
+					}
+				}
+
+				// If we find an end bracket that's not associated with anything else, the block is done
+				else if (Regex.IsMatch(line, _endPattern) && block)
+			    {
+					block = false;
+					elem = elem.Parent;
+				}
+			}
+
+			return elem;
+		}
+	}
+}