Add DAT name prefixing

SabreHelper/Build.cs

@@ -89,6 +89,7 @@ Options:
 	url=			URL (source only)
   -cm, --convert-miss
 	-r, --roms		Output roms to miss instead of sets
+	-dp, --dat-prefix	Add dat name as a prefix to each item
 	-pre=, --prefix=	Set prefix to be printed in front of all lines
 	-post=, --postfix=	Set postfix to be printed behind all lines
 	-q, --quotes		Put double-quotes around each item

SabreHelper/Output.cs

@@ -139,9 +139,10 @@ namespace SabreTools.Helper
 		/// <param name="quotes">True if quotes should be put around the item, false otherwise (default)</param>
 		/// <param name="addext">Arbitrary extension added to the end of each item</param>
 		/// <param name="repext">Arbitrary extension to replace all extensions in the item</param>
+		/// <param name="datname">The internal name of the DAT to prefix</param>
 		/// <returns>True if the file was written, false otherwise</returns>
 		public static bool WriteToText(string textfile, string outdir, List<RomData> roms, Logger logger, bool useGame = true, string prefix = "",
-			string postfix = "", string addext = "", string repext = "", bool quotes = false)
+			string postfix = "", string addext = "", string repext = "", bool quotes = false, string datname = "")
 		{
 			// Normalize the output directory
 			if (outdir == "")
@@ -153,6 +154,12 @@ namespace SabreTools.Helper
 				outdir += Path.DirectorySeparatorChar;
 			}
 
+			// Get the DAT name, if applicable
+			if (datname != "" && !datname.EndsWith(Path.DirectorySeparatorChar.ToString()))
+			{
+				datname = datname + Path.DirectorySeparatorChar;
+			}
+
 			// Make the output directory if it doesn't exist
 			if (!Directory.Exists(outdir))
 			{
@@ -175,7 +182,7 @@ namespace SabreTools.Helper
 				{
 					string pre = prefix + (quotes ? "\"" : "");
 					string post = (quotes ? "\"" : "") + postfix;
-					string name = (useGame ? rom.Game : rom.Name);
+					string name = datname + (useGame ? rom.Game : rom.Name);
 					if (repext != "")
 					{
 						string dir = Path.GetDirectoryName(name);

SabreHelper/RomManipulation.cs

@@ -28,6 +28,65 @@ namespace SabreTools.Helper
 			return true;
 		}
 
+		/// <summary>
+		/// Get the name of the DAT for external use
+		/// </summary>
+		/// <param name="filename">Name of the file to be parsed</param>
+		/// <param name="logger">Logger object for console and file output</param>
+		/// <returns>The internal name of the DAT on success, empty string otherwise</returns>
+		public static string GetDatName(string filename, Logger logger)
+		{
+			string name = "";
+
+			XmlDocument doc = new XmlDocument();
+			try
+			{
+				doc.LoadXml(File.ReadAllText(filename));
+			}
+			catch (XmlException)
+			{
+				try
+				{
+					doc.LoadXml(Converters.RomVaultToXML(File.ReadAllLines(filename)).ToString());
+				}
+				catch (Exception ex)
+				{
+					logger.Error(ex.ToString());
+					return name;
+				}
+			}
+			catch (Exception ex)
+			{
+				logger.Error(ex.ToString());
+				return name;
+			}
+
+			// Experimental looping using only XML parsing
+			XmlNode node = doc.FirstChild;
+			if (node != null && node.Name == "xml")
+			{
+				// Skip over everything that's not an element
+				while (node.NodeType != XmlNodeType.Element)
+				{
+					node = node.NextSibling;
+				}
+			}
+
+			// Once we find the main body, enter it
+			if (node != null && (node.Name == "datafile" || node.Name == "softwarelist"))
+			{
+				node = node.FirstChild;
+			}
+
+			// Get the name from the header
+			if (node != null && node.Name == "header")
+			{
+				name = node.SelectSingleNode("name").InnerText;
+			}
+
+			return name;
+		}
+
 		/// <summary>
 		/// Parse a DAT and return all found games and roms within
 		/// </summary>