public void ExtractOptions()

in Source/NuGetGallery.Operations/Infrastructure/CommandLineParser.cs [26:76]
42 lines of code
9 McCabe index (conditional complexity)

        public void ExtractOptions(ICommand command, IEnumerator<string> argsEnumerator)
        {
            List<string> arguments = new List<string>();
            IDictionary<OptionAttribute, PropertyInfo> properties = _commandManager.GetCommandOptions(command);

            while (true)
            {
                string option = GetNextCommandLineItem(argsEnumerator);

                if (option == null)
                {
                    break;
                }

                if (!(option.StartsWith("/", StringComparison.OrdinalIgnoreCase) && _supportSlashAsSwitch)
                    && !option.StartsWith("-", StringComparison.OrdinalIgnoreCase))
                {
                    arguments.Add(option);
                    continue;
                }

                string optionText = option.Substring(1);
                string value = null;

                if (optionText.EndsWith("-", StringComparison.OrdinalIgnoreCase))
                {
                    optionText = optionText.TrimEnd('-');
                    value = "false";
                }

                var result = GetPartialOptionMatch(properties, prop => prop.Value.Name, prop => prop.Key.AltName, option, optionText);
                PropertyInfo propInfo = result.Value;

                if (propInfo.PropertyType == typeof(bool))
                {
                    value = value ?? "true";
                }
                else
                {
                    value = GetNextCommandLineItem(argsEnumerator);
                }

                if (value == null)
                {
                    throw new CommandLineException(TaskResources.MissingOptionValueError, option);
                }

                AssignValue(command, propInfo, option, value);
            }
            command.Arguments.AddRange(arguments);
        }