public static CommandLineParameters Parse(string[] args)
{
var clp = new CommandLineParameters();
clp.DoParse(args);
return(clp);
}
/// <summary>
/// Parses the specified string arguments into a new instance of the Options class.
/// </summary>
/// <param name="args">The arguments to parse.</param>
/// <returns>A new instance of the Options class initialized from the specidifed string arguments</returns>
/// <exception cref="ArgumentException">There is an error parsing an argument.</exception>
public static Options Parse(string[] args)
{
var parameters = CommandLineParameters.Parse(args);
var options = CreateOptions(parameters);
CheckForInvalidParameters(parameters);
return(options);
}
private static void CheckForInvalidParameters(CommandLineParameters parameters)
{
if (parameters.Named.Count > 0)
{
foreach (var name in parameters.Named.Keys)
{
throw new ArgumentException("Invalid option /" + name);
}
}
if (parameters.Positionals.Count > 0)
{
throw new ArgumentException(string.Format("Invalid argument \"{0}\"", parameters.Positionals[0]));
}
}
private static void CheckForInvalidParameters(CommandLineParameters parameters)
{
if (parameters.Named.Count > 0)
{
foreach (var name in parameters.Named.Keys)
{
throw new ArgumentException("Invalid option /" + name);
}
}
if (parameters.Positionals.Count > 0)
{
throw new ArgumentException(string.Format("Invalid argument \"{0}\"", parameters.Positionals[0]));
}
}
private static Options CreateOptions(CommandLineParameters parameters)
{
var options = new Options();
options.HelpWanted = parameters.DetachNamedBool("?");
if (options.HelpWanted)
{
return options;
}
options.DirectoryPath = parameters.DetachPositional();
options.Filter = parameters.DetachNamed("f");
options.EnableColorSchema = !parameters.DetachNamedBool("nc");
options.ColorSchemaName = parameters.DetachNamed("c");
if (!options.EnableColorSchema && !string.IsNullOrEmpty(options.ColorSchemaName))
{
throw new ArgumentException("Options nc and c are incompatible with each other");
}
return options;
}
private static Options CreateOptions(CommandLineParameters parameters)
{
var options = new Options();
options.HelpWanted = parameters.DetachNamedBool("?");
if (options.HelpWanted)
{
return(options);
}
options.DirectoryPath = parameters.DetachPositional();
options.Filter = parameters.DetachNamed("f");
options.EnableColorSchema = !parameters.DetachNamedBool("nc");
options.ColorSchemaName = parameters.DetachNamed("c");
if (!options.EnableColorSchema && !string.IsNullOrEmpty(options.ColorSchemaName))
{
throw new ArgumentException("Options nc and c are incompatible with each other");
}
return(options);
}
public static CommandLineParameters Parse(string[] args)
{
var clp = new CommandLineParameters();
clp.DoParse(args);
return clp;
}
