/// <summary>
/// Creates the argument processor associated with the provided command line argument.
/// The Lazy that is returned will initialize the underlying argument processor when it is first accessed.
/// </summary>
/// <param name="argument">Command line argument to create the argument processor for.</param>
/// <returns>The argument processor or null if one was not found.</returns>
public IArgumentProcessor CreateArgumentProcessor(string argument)
{
if (String.IsNullOrWhiteSpace(argument))
{
throw new ArgumentException("Cannot be null or empty", nameof(argument));
}
Contract.EndContractBlock();
// Parse the input into its command and argument parts.
var pair = new CommandArgumentPair(argument);
// Find the associated argument processor.
IArgumentProcessor argumentProcessor;
CommandToProcessorMap.TryGetValue(pair.Command, out argumentProcessor);
// If an argument processor was not found for the command, then consider it as a test source argument.
if (argumentProcessor == null)
{
// Update the command pair since the command is actually the argument in the case of
// a test source.
pair = new CommandArgumentPair(TestSourceArgumentProcessor.CommandName, argument);
argumentProcessor = SpecialCommandToProcessorMap[TestSourceArgumentProcessor.CommandName];
}
if (argumentProcessor != null)
{
argumentProcessor = WrapLazyProcessorToInitializeOnInstantiation(argumentProcessor, pair.Argument);
}
return(argumentProcessor);
}
/// <summary>
/// Creates the argument processor associated with the provided command line argument.
/// The Lazy that is returned will initialize the underlying argument processor when it is first accessed.
/// </summary>
/// <param name="command">Command name of the argument processor.</param>
/// <param name="arguments">Command line arguments to create the argument processor for.</param>
/// <returns>The argument processor or null if one was not found.</returns>
public IArgumentProcessor CreateArgumentProcessor(string command, string[] arguments)
{
if (arguments == null || arguments.Length == 0)
{
throw new ArgumentException("Cannot be null or empty", nameof(arguments));
}
Contract.EndContractBlock();
// Find the associated argument processor.
IArgumentProcessor argumentProcessor;
CommandToProcessorMap.TryGetValue(command, out argumentProcessor);
if (argumentProcessor != null)
{
argumentProcessor = WrapLazyProcessorToInitializeOnInstantiation(argumentProcessor, arguments);
}
return(argumentProcessor);
}
