CASA/tools/w32/VersionVDProj/ArgumentParser.cs
2006-05-10 20:25:18 +00:00

83 lines
2.4 KiB
C#

/***********************************************************************
*
* Copyright (C) 2005-2006 Novell, Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; version 2.1
* of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, Novell, Inc.
*
* To contact Novell about this file by physical or electronic mail,
* you may find current contact information at www.novell.com.
*
***********************************************************************/
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 );
}
}
}