public bool? GetBoolValueOrDefault()

in src/Amazon.Common.DotNetCli.Tools/Commands/BaseCommand.cs [544:584]
38 lines of code
10 McCabe index (conditional complexity)

        public bool? GetBoolValueOrDefault(bool? propertyValue, CommandOption option, bool required)
        {
            if (propertyValue.HasValue)
            {
                return propertyValue.Value;
            }
            else if (DefaultConfig[option.Switch] is bool)
            {
                var configDefault = (bool)DefaultConfig[option.Switch];
                return configDefault;
            }
            else if (required && !this.DisableInteractive)
            {
                var userValue = PromptForValue(option);
                if (string.IsNullOrWhiteSpace(userValue))
                    return null;

                bool i;
                if (bool.TryParse(userValue, out i))
                {
                    throw new ToolsException($"{userValue} cannot be parsed into a boolean for {option.Name}", ToolsException.CommonErrorCode.CommandLineParseError);
                }
                return i;
            }
            else if (_cachedRequestedValues.ContainsKey(option))
            {
                var cachedValue = _cachedRequestedValues[option];
                bool i;
                if (bool.TryParse(cachedValue, out i))
                {
                    return i;
                }
            }

            if (required)
            {
                throw new ToolsException($"Missing required parameter: {option.Switch}", ToolsException.CommonErrorCode.MissingRequiredParameter);
            }

            return null;
        }