public ICommand InitializeEntryPoint(
CommandLineInput commandLineInput,
IReadOnlyDictionary <string, string> environmentVariables,
ITypeActivator activator)
{
var command = TryFindCommand(commandLineInput, out var argumentOffset) ??
throw CliFxException.CannotFindMatchingCommand(commandLineInput);
var parameterInputs = argumentOffset == 0
? commandLineInput.UnboundArguments.ToArray()
: commandLineInput.UnboundArguments.Skip(argumentOffset).ToArray();
return(command.CreateInstance(parameterInputs, commandLineInput.Options, environmentVariables, activator));
}
// TODO: this out parameter is not a really nice design
public CommandSchema?TryFindCommand(CommandLineInput commandLineInput, out int argumentOffset)
{
// Try to find the command that contains the most of the input arguments in its name
for (var i = commandLineInput.UnboundArguments.Count; i >= 0; i--)
{
var potentialCommandName = string.Join(" ", commandLineInput.UnboundArguments.Take(i));
var matchingCommand = Commands.FirstOrDefault(c => c.MatchesName(potentialCommandName));
if (matchingCommand != null)
{
argumentOffset = i;
return(matchingCommand);
}
}
argumentOffset = 0;
return(Commands.FirstOrDefault(c => c.IsDefault));
}
public ICommand InitializeEntryPoint(
CommandLineInput commandLineInput,
IReadOnlyDictionary <string, string> environmentVariables,
ITypeActivator activator)
{
var command = TryFindCommand(commandLineInput, out var argumentOffset);
if (command == null)
{
throw new CliFxException(
$"Can't find a command that matches arguments [{string.Join(" ", commandLineInput.UnboundArguments)}].");
}
var parameterValues = argumentOffset == 0
? commandLineInput.UnboundArguments.Select(a => a.Value).ToArray()
: commandLineInput.UnboundArguments.Skip(argumentOffset).Select(a => a.Value).ToArray();
return(command.CreateInstance(parameterValues, commandLineInput.Options, environmentVariables, activator));
}
public ICommand InitializeEntryPoint(
CommandLineInput commandLineInput,
IReadOnlyDictionary <string, string> environmentVariables) =>
InitializeEntryPoint(commandLineInput, environmentVariables, new DefaultTypeActivator());
public CommandSchema?TryFindCommand(CommandLineInput commandLineInput) => TryFindCommand(commandLineInput, out _);
public ICommand InitializeEntryPoint(CommandLineInput commandLineInput) => InitializeEntryPoint(commandLineInput, new Dictionary <string, string>());