public AttributeParseResult Parse(IEnumerable <string> args)
{
if (!_attributeHandler.TryParseSelectedVerb(Configuration.Verbs, ref args, out var error, out var verb, out var requestedHelp))
{
if (requestedHelp)
{
if (verb == null)
{
return(ShowHelp());
}
else
{
return(ShowHelp(verb));
}
}
else if (error == null)
{
throw new LogicException("The attribute handled didn't parse the result and no help was requested, but no error was generated.");
}
else
{
return(AttributeParseResult.CreateErrorResult(verb, Configuration.Services.GetService <ErrorHandler>(), new[] { error }));
}
}
IVerb safeVerb = verb ?? throw new LogicException("The attribute handler parsed the verb, but didn't return it.");
if (!_attributeHandler.TryProcessArguments(safeVerb, Configuration.GetOptions(safeVerb), args, out var optionValues, out var errors))
{
return(AttributeParseResult.CreateErrorResult(verb, Configuration.Services.GetService <ErrorHandler>(), errors));
}
var verbData = Configuration.GetVerbData(safeVerb);
foreach (var optionProperty in verbData.OptionProperties)
{
var providedOption = optionValues.FirstOrDefault((o) => o.Option == optionProperty.Option);
if (providedOption == null)
{
continue;
}
optionProperty.SetValue(verbData.Instance, providedOption.Value);
}
return(AttributeParseResult.CreateSuccessResult(safeVerb, Configuration.Services.GetService <ErrorHandler>(), verbData.Instance));
}
public AttributeParseResult Parse(IEnumerable <string> args)
{
if (!_attributeHandler.TryParseSelectedVerb(Configuration.Verbs, ref args, out var error, out var verb, out var requestedHelp))
{
if (requestedHelp)
{
if (verb == null)
{
return(ShowHelp());
}
else
{
return(ShowHelp(verb));
}
}
else if (error == null)
{
throw new LogicException("The attribute handled didn't parse the result and no help was requested, but no error was generated.");
}
else
{
return(AttributeParseResult.CreateErrorResult(verb, Configuration.Services.GetService <ErrorHandler>(), new[] { error }));
}
}
IVerb safeVerb = verb ?? throw new InvalidOperationException("The attribute handler parsed the verb, but didn't return it.");
if (!_attributeHandler.TryProcessArguments(safeVerb, Configuration.GetOptions(safeVerb), args, out var optionValues, out var errors))
{
return(AttributeParseResult.CreateErrorResult(verb, Configuration.Services.GetService <ErrorHandler>(), errors));
}
var verbData = Configuration.GetVerbData(safeVerb);
foreach (var optionValue in optionValues)
{
Configuration.GetParameterValueOption(optionValue.Option).SetValue(optionValue.Value);
}
return(AttributeParseResult.CreateSuccessResult(safeVerb, Configuration.Services.GetService <ErrorHandler>(), verbData.Method, verbData.Instance, verbData.Parameters.Select((x) => x.Value).ToArray()));
}