public CmdLineOptionDefinitionBuilder Option(string name)
{
if (string.IsNullOrWhiteSpace(name))
throw new ArgumentException();
if (_options.ContainsKey(name))
throw new InvalidOperationException();
var optionDefinition = new CmdLineOptionDefinition(name);
_options.Add(name, optionDefinition);
return new CmdLineOptionDefinitionBuilder(optionDefinition);
}
public bool TryGetOption(string name, out CmdLineOptionDefinition optionDefinition)
{
return _options.TryGetValue(name, out optionDefinition);
}
private static void ParseOption(Queue<string> queue, CmdLineOptionDefinition optionDefinition, ParserContext context)
{
if (!optionDefinition.AllowMultiple && context.Input.Options.Contains(optionDefinition.Name))
throw new ParserException("Option '{0}' was provided multiple times.", optionDefinition.Name);
var values = TakeWhileNotPrefixed(queue, context.Prefixes).ToQueue();
var option = new CmdLineOption();
ParseOptionValues(values, optionDefinition, option);
optionDefinition.Validate(option);
context.Input.Options.Add(optionDefinition.Name, option);
}
private static void ParseOptionValues(Queue<string> values, CmdLineOptionDefinition optionDefinition, CmdLineOption option)
{
foreach (var valueDefinition in optionDefinition.Values)
{
var valueName = valueDefinition.DisplayName ?? valueDefinition.Name;
if (!values.Any() && !valueDefinition.IsOptional)
throw new ParserException("Option '{0}' is missing required value '{1}'", optionDefinition.Name, valueName);
(valueDefinition.IsParams
? values.ToList().Select(_ => values.Dequeue()).ToArray()
: new[] {values.Dequeue()})
.Each(x => option.Add(valueDefinition.Name, x));
}
if (values.Any())
throw new ParserException("Option '{0}' has undefined value '{1}'.", optionDefinition.Name, values.First());
optionDefinition.Validate(option);
}
public CmdLineOptionDefinitionBuilder(CmdLineOptionDefinition definition)
{
_definition = definition;
}