Beispiel #1
0
        private void AddOption(string requiredWord, int maxLength, BaseOptionAttribute option, int widthOfHelpText)
        {
            OptionsHelp.Append("  ");
            var optionName = new StringBuilder(maxLength);
            if (option.HasShortName)
            {
                if (AddDashesToOption)
                {
                    optionName.Append('-');
                }

                optionName.AppendFormat("{0}", option.ShortName);

                if (option.HasLongName)
                {
                    optionName.Append(", ");
                }
            }

            if (option.HasLongName)
            {
                if (AddDashesToOption)
                {
                    optionName.Append("--");
                }

                optionName.AppendFormat("{0}", option.LongName);
            }

            OptionsHelp.Append(optionName.Length < maxLength
                                    ? optionName.ToString().PadRight(maxLength)
                                    : optionName.ToString());

            OptionsHelp.Append("    ");
            if (option.Required)
            {
                option.HelpText =
                    string.Format(CultureInfo.InvariantCulture, "{0} ", requiredWord) + option.HelpText;
            }

            var e = new FormatOptionHelpTextEventArgs(option);
            OnFormatOptionHelpText(e);
            option.HelpText = e.Option.HelpText;

            if (!string.IsNullOrWhiteSpace(option.HelpText))
            {
                do
                {
                    var wordBuffer = 0;
                    var words = option.HelpText.Split(new[] { ' ' });
                    for (var i = 0; i < words.Length; i++)
                    {
                        if (words[i].Length < (widthOfHelpText - wordBuffer))
                        {
                            OptionsHelp.Append(words[i]);
                            wordBuffer += words[i].Length;
                            if ((widthOfHelpText - wordBuffer) > 1 && i != words.Length - 1)
                            {
                                OptionsHelp.Append(" ");
                                wordBuffer++;
                            }
                        }
                        else if (words[i].Length >= widthOfHelpText && wordBuffer == 0)
                        {
                            OptionsHelp.Append(words[i].Substring(
                                0,
                                widthOfHelpText
                                                     ));
                            wordBuffer = widthOfHelpText;
                            break;
                        }
                        else
                        {
                            break;
                        }
                    }
                    option.HelpText = option.HelpText.Substring(Math.Min(
                        wordBuffer,
                        option.HelpText.Length
                                                                     ))
                        .Trim();

                    if (option.HelpText.Length <= 0) continue;

                    OptionsHelp.Append(Environment.NewLine);
                    OptionsHelp.Append(new string(' ', maxLength + 6));
                } while (option.HelpText.Length > widthOfHelpText);
            }
            OptionsHelp.Append(option.HelpText);
            OptionsHelp.Append(Environment.NewLine);
            if (AdditionalNewLineAfterOption)
                OptionsHelp.Append(Environment.NewLine);
        }
 /// <summary>
 /// Initializes a new instance of the <see cref="FormatOptionHelpTextEventArgs"/> class.
 /// </summary>
 /// <param name="option">Option to format.</param>
 public FormatOptionHelpTextEventArgs(BaseOptionAttribute option)
 {
     Option = option;
 }