public CommandLineArgsConfigurationSource(IEnumerable <ArgumentDefinition> argumentDefinitions, IEnumerable <string> args)
{
ArgumentDefinitions = argumentDefinitions.ToList();
if (ArgumentDefinition.HasDoubleDefinition(argumentDefinitions, out string firstDoubleDefinition))
{
throw new System.ArgumentException($"The argument key '{firstDoubleDefinition}' has been defined twice.", nameof(argumentDefinitions));
}
Args = args.ToList();
}
/// <summary>
/// Creates a new instance of <see cref="CommandLineArgsConfigurationProvider"/>
/// </summary>
public CommandLineArgsConfigurationProvider(CommandLineArgsConfigurationSource source)
{
_source = source.Clone();
_indexedArgumentDefinitions = source.ArgumentDefinitions
.Where(ArgumentDefinition.IsNamedForNamedArguments)
.SelectMany(definition => ArgumentDefinition.GetAllNames(definition)
.CatMaybes()
.Select(name => (Key: name, Definition: definition)))
.ToDictionary(p => p.Key, p => p.Definition, StringComparer.Ordinal); // index is case sensitive
_valueDefinitions = source.ArgumentDefinitions
.OfType <ArgumentDefinition.RequiredValueDefinition>()
.Select(p => p.ConfigurationKey)
.ToList();
}
/// <summary> /// Checks whether an instance of <see cref="ArgumentDefinition"/> is of a type /// (see <see cref="Type"/>), determining that <see cref="LongName"/> or <see cref="ShortName"/> /// is neither <c>null</c> nor empty. /// </summary> /// <param name="definition">The argument definition to check.</param> /// <returns> /// <c>true</c> if <paramref name="definition"/> is of a type that requires an argument name. /// </returns> public static bool IsNamedForNamedArguments(ArgumentDefinition definition) => definition is SwitchOptionDefinition || definition is ValueOptionDefinition;
/// <summary>
/// Returns <see cref="LongName"/> and/or <see cref="ShortName"/>
/// as sequence oft strings, depending on whether they are set.
/// </summary>
/// <param name="definition">The argument definition.</param>
/// <returns>A sequence of strings containing all names set in the provided definition.</returns>
public static IEnumerable <Maybe <string> > GetAllNames(ArgumentDefinition definition)
{
return(definition.ShortName.AsEnumerable().Concat(definition.LongName.AsEnumerable()));
}