/// <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>
/// Adds a command line configuration source to <paramref name="builder"/>.
/// </summary>
/// <param name="builder">The <see cref="IConfigurationBuilder"/> to add to.</param>
/// <param name="newSource">An instance of <see cref="CommandLineArgsConfigurationSource"/> that is used to provide an <see cref="CommandLineArgsConfigurationProvider"/></param>
/// <returns>The <see cref="IConfigurationBuilder"/>.</returns>
public static IConfigurationBuilder AddCommandLine(this IConfigurationBuilder builder, CommandLineArgsConfigurationSource newSource)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
return(builder.Add(newSource));
}