initial checkin for VersionVDProj tools in tools dir

tools/w32/VersionVDProj/ArgumentParser.cs

@@ -0,0 +1,60 @@
+using System;
+using System.IO;
+using System.Collections;
+
+namespace VersionVDProj
+{
+	/// <summary>
+	/// Summary description for ArgumentParser.
+	/// </summary>
+	public class ArgumentParser
+	{
+		public readonly Hashtable Options;
+		public readonly string Command;
+		public readonly FileInfo ProjectFile;
+
+		public ArgumentParser( string[] args )
+		{
+			Options = new Hashtable();
+
+			if ( args.Length < 2 )
+				throw new Exception( "Wrong number of arguments" );
+
+			Command = ParseCommand( args[0] );
+			ProjectFile = ParseFileName( args[1] );
+
+			for ( int i = 2; i < args.Length; i++ )
+				ParseArgument( args[i] );
+		}		
+
+		private string ParseCommand( string command )
+		{
+			if ( command.Substring( 0, 1 ) != "-" )
+				throw new Exception( string.Format( "Unrecognized command {0}", command ) );
+
+			return command.Substring( 1 ).ToLower();
+		}
+
+		private FileInfo ParseFileName( string path )
+		{
+			FileInfo file = new FileInfo( path );
+			if ( !file.Exists )
+				throw new Exception( string.Format( "The file {0} could not be found", path ) );
+
+			return file;
+		}
+
+		private void ParseArgument( string arg )
+		{
+			int eqPos = arg.IndexOf( '=', 0 );
+			
+			if ( eqPos == -1 )
+				throw new Exception( string.Format( "The argument {0} is not in the format NAME=VALUE", arg ) );
+
+			string name = arg.Substring( 0, eqPos );
+			string val = arg.Substring( eqPos + 1 );
+
+			Options.Add( name.ToLower(), val );
+		}
+	}
+}