/// <summary>
/// Adds the option to the command using only the aliases that are available, and only if the primary (first)
/// alias is available. If a required option is not available, the command is disabled.
/// </summary>
/// <param name="command">The command to add the option to.</param>
/// <param name="option">The option to add.</param>
/// <typeparam name="T">The type of the option's argument.</typeparam>
private void AddOptionIfAvailable <T>(Command command, OptionInfo <T> option)
{
if (IsAliasAvailable(option.Aliases.First()))
{
command.AddOption(option.Create(option.Aliases.Where(IsAliasAvailable)));
}
else if (option.Required)
{
command.AddValidator(commandResult =>
$"The required option {option.Aliases.First()} conflicts with an entry point parameter name.");
}
}
/// <summary>
/// Returns the default value and displays a warning if the primary (first) alias is shadowed by an entry point
/// option, and returns the original value otherwise.
/// </summary>
/// <typeparam name="T">The type of the option values.</typeparam>
/// <param name="option">The option.</param>
/// <param name="value">The value of the option given on the command line.</param>
/// <returns>The default value or the original value.</returns>
private T DefaultIfShadowed <T>(OptionInfo <T> option, T value)
{
if (IsAliasAvailable(option.Aliases.First()))
{
return(value);
}
else
{
DisplayWithColor(ConsoleColor.Yellow, Console.Error,
$"Warning: Option {option.Aliases.First()} is overridden by an entry point parameter name. " +
$"Using default value {option.DefaultValue}.");
return(option.DefaultValue);
}
}
/// <summary>
/// Creates a new driver for the entry point.
/// </summary>
/// <param name="entryPoint">The entry point.</param>
public Driver(IEntryPoint <TIn, TOut> entryPoint)
{
this.entryPoint = entryPoint;
SimulatorOption = new OptionInfo <string>(
new[]
{
"--" + CommandLineArguments.SimulatorOption.Item1,
"-" + CommandLineArguments.SimulatorOption.Item2
},
entryPoint.DefaultSimulator,
"The name of the simulator to use.",
suggestions: new[]
{
AssemblyConstants.QuantumSimulator,
AssemblyConstants.ToffoliSimulator,
AssemblyConstants.ResourcesEstimator,
entryPoint.DefaultSimulator
});
}