private async Task ParseCommandAsync(CommandLineCommandBase cmd, ParseResult <TOption> result, CancellationToken cancellationToken)
{
var found = ArgumentManager.TryGetValue(cmd, out var model);
if (!found)
{
result.MergeResult(new CommandNotFoundParserResult(cmd));
if (cmd.IsRequired)
{
throw new CommandNotFoundException(cmd);
}
return;
}
else if (found && HelpRequested(result, cmd, model))
{
return;
}
var cmdParseResult = await cmd.ParseAsync(cancellationToken);
result.MergeResult(cmdParseResult);
if (cmdParseResult.HasErrors)
{
throw new CommandParseException(cmd, cmdParseResult.Errors);
}
}
private void ParseOption(CommandLineOptionBase option, ParseResult <TOption> result)
{
bool found = ArgumentManager.TryGetValue(option, out ArgumentModel model);
if (found && HelpRequested(result, option, model))
{
return;
}
else if (!found && option.CheckOptionNotFound())
{
throw new OptionNotFoundException(option);
}
else if (option.ShouldUseDefault(found, model))
{
option.UseDefault();
return;
}
else if (found && !option.CanParse(model))
{
throw new OptionParseException(option, model);
}
else if (!found)
{
return;
}
option.Parse(model);
}
private void CheckForGlobalHelpOption(ParseResult <TOption> result)
{
if (ArgumentManager.TryGetValue(this, out var model))
{
HelpRequested(result, this, model);
}
}