JScriptCompiler.ReadResponseFile C# (CSharp) Method

  private static string[] ReadResponseFile(string strFileName){
    FileStream inputStream = new FileStream(strFileName, FileMode.Open,
                                            FileAccess.Read, FileShare.Read);
    Int64 size = inputStream.Length;
    if (size == 0)
      return null;

    StreamReader reader = new StreamReader(inputStream);

    string curLineArgs = reader.ReadLine();

    // This regular expression is: blank*(nonblanks|stringLiteral)+
    string strReArgs = "\\s*([^\\s\\\"]|(\\\"[^\\\"\\n]*\\\"))+";
    Regex re = new Regex(strReArgs);

    StringCollection args = new StringCollection();

    while (curLineArgs != null){
      if (!curLineArgs.Trim().StartsWith("#", StringComparison.Ordinal)){
        MatchCollection matches = re.Matches(curLineArgs);
        if (matches != null && matches.Count != 0){
          foreach (Match match in matches){
            string arg = match.ToString().Trim();
            int iQuotes = 0;
            while ((iQuotes = arg.IndexOf("\"", iQuotes)) != -1){
              if (iQuotes == 0)
                arg = arg.Substring(1);
              else if (arg[iQuotes-1] == '\\')
                iQuotes += 1;
              else
                arg = arg.Remove(iQuotes, 1);
            }
            args.Add(arg);
          }
        }
      }
      curLineArgs = reader.ReadLine();
    }
    if (args.Count == 0)
      return null;
    string[] argStrings = new string[args.Count];
    args.CopyTo(argStrings, 0);
    return argStrings;
  }