/// <summary>
/// Sets standard output options according to specified command line switches.
/// </summary>
/// <param name="silent"><see cref="CommandLineSwitch"/> that enables Silent option.\n
/// Switch must have no parameters. If switch is found in parsed set of command line
/// arguments, then Silent option is set to True. If switch is not found or object is null
/// then Silent option will not change.</param>
/// <param name="verbose"><see cref="CommandLineSwitch"/> that enables Verbose option.\n
/// Switch must have no parameters. If switch is found in parsed set of command line
/// arguments, then Verbose option is set to True. If switch is not found or object is null
/// then Verbose option will not change.</param>
public void SetupVerboseLevel(CommandLineSwitch silent, CommandLineSwitch verbose)
{
if (this.Arguments == null)
{
throw new InvalidOperationException("Command line arguments are not parsed yet.");
}
if (silent != null)
{
if (silent.ParametersCount != 0)
{
throw new ArgumentException("Switch for option 'silent' must have no " +
"parameters.");
}
this.Silent = this.Arguments.GetArgument(silent).isSpecified;
}
if (verbose != null)
{
if (verbose.ParametersCount != 0)
{
throw new ArgumentException("Switch for option 'verbose' must have no " +
"parameters.");
}
this.Verbose = !this.Silent && this.Arguments.GetArgument(verbose).isSpecified;
}
}
/// <summary>
/// Sets output target for <see cref="StreamOutput"/> to specified file.
/// </summary>
/// <param name="output"><see cref="CommandLineSwitch"/> that sets output to specified
/// file.\n Switch must have one parameter. If switch is found in parsed set of command line
/// arguments, then output stream is set to specified file.</param>
public void SetupOutput(CommandLineSwitch output)
{
if (this.Arguments == null)
{
throw new InvalidOperationException("Command line arguments are not parsed yet.");
}
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
if (output.ParametersCount != 1)
{
throw new ArgumentException("Switch for option 'output' must have exactly " +
"one parameter.");
}
var outputArgument = this.Arguments.GetArgument(output);
if (outputArgument.isSpecified)
{
this.Output.SetToFile(outputArgument.parameters[0]);
}
}
/// <summary>
/// Check that switch is incompatible with other switch.
/// Two switches are considered incompatible if they share names or shortcuts.
/// </summary>
/// <param name="other">Switch to compare with current switch. Can't be null.</param>
/// <returns>true, if switches are incompatible.</returns>
public bool IsIncompatibleWith(CommandLineSwitch other)
{
return((!string.IsNullOrEmpty(this.Name) && this.Name == other.Name) ||
(this.Shortcut.HasValue && other.Shortcut.HasValue &&
this.Shortcut.Value == other.Shortcut.Value));
}
