public static Verb <TClass> Standalone <TClass>(CliParserConfig config, Action <Verb <TClass> > verbConfig) where TClass : class, new()
{
Verb <TClass> v = new(null, string.Empty, null, config);
verbConfig(v);
return(v);
}
/// <summary>
/// Returns the configured things. If any of these are unconfigured, it will return the defaults.
/// </summary>
/// <param name="config">The config, or the defaults if none was passed.</param>
/// <param name="console">The console. Default is <see cref="StandardConsole"/>.</param>
/// <param name="tokenizer">The tokenizer. Default is <see cref="QuotedStringTokenizer"/>.</param>
/// <param name="msgFormatter">The message formatter. Defaultis <see cref="StandardMessageFormatter"/>.</param>
public CliParserBuilder GetConfigured(out CliParserConfig config, out IConsole console, out ITokenizer tokenizer, out IMessageFormatter msgFormatter)
{
config = this.config;
console = (this.console ??= new StandardConsole());
tokenizer = (this.tokenizer ??= new QuotedStringTokenizer());
msgFormatter = (this.msgFormatter ??= new StandardMessageFormatter(ConsoleColor.Cyan));
return(this);
}
/// <summary>
/// Create this class using a CliParserBuilder.
/// </summary>
internal CliParser(IConsole console, ITokenizer tokenizer, IMessageFormatter msgFormatter, Dictionary <string, IVerb> verbsByName, List <IVerb> verbs, CliParserConfig config)
{
Console = console;
Tokenizer = tokenizer;
MsgFormatter = msgFormatter;
this.verbsByName = verbsByName;
Verbs = verbs;
Config = config;
}
/// <summary>
/// Creates a new instance.
/// </summary>
public CliParserBuilder(CliParserConfig config, IConsole?console = null, ITokenizer?tokenizer = null, IMessageFormatter?msgFormatter = null)
{
this.config = config ?? new CliParserConfig();
verbsByName = new Dictionary <string, IVerb>(this.config.StringComparer);
verbs = new List <IVerb>();
this.console = console;
this.tokenizer = tokenizer;
this.msgFormatter = msgFormatter;
}
/// <summary>
/// Creates a new instance, using a default <see cref="CliParserConfig"/>.
/// </summary>
public CliParserBuilder()
{
config = new CliParserConfig();
verbsByName = new Dictionary <string, IVerb>(config.StringComparer);
verbs = new List <IVerb>();
console = null;
tokenizer = null;
msgFormatter = null;
}
internal Verb(string?shortName, string longName, string?parentShortAndLongName, CliParserConfig config)
{
ShortName = shortName;
LongName = longName;
ShortAndLongName = ArgUtils.ShortAndLongName(shortName, longName);
FullShortAndLongName = parentShortAndLongName == null?ArgUtils.ShortAndLongName(shortName, longName) : string.Concat(parentShortAndLongName, ' ', ArgUtils.ShortAndLongName(shortName, longName));
Invoke = () => throw new CliParserBuilderException(string.Concat("Invoke for verb ", FullShortAndLongName, " has not been configured"));
InvokeAsync = () => throw new CliParserBuilderException(string.Concat("InvokeAsync for verb ", FullShortAndLongName, " has not been configured"));
this.config = config;
HelpText = "No help available.";
allVerbs = new();
verbsByName = new(config.StringComparer);
}
internal Verb(string?shortName, string longName, string?parentShortAndLongName, CliParserConfig config)
{
ShortName = shortName;
LongName = longName;
ShortAndLongName = ArgUtils.ShortAndLongName(shortName, longName);
FullShortAndLongName = parentShortAndLongName == null?ArgUtils.ShortAndLongName(shortName, longName) : string.Concat(parentShortAndLongName, ' ', ArgUtils.ShortAndLongName(shortName, longName));
Invoke = x => throw new CliParserBuilderException(string.Concat("Invoke for verb ", FullShortAndLongName, " has not been configured"));
InvokeAsync = x => throw new CliParserBuilderException(string.Concat("InvokeAsync for verb ", FullShortAndLongName, " has not been configured"));
this.config = config;
verbsByName = new(config.StringComparer);
allVerbs = new();
allValues = new List <IValue <TClass> >();
allSwitches = new List <ISwitch <TClass> >();
allOptions = new List <IOption <TClass> >();
allSwitchesByName = new Dictionary <string, ISwitch <TClass> >(config.StringComparer);
allOptionsByName = new Dictionary <string, IOption <TClass> >(config.StringComparer);
HelpText = "No help available.";
}
internal static void Validate(Dictionary <string, IVerb> verbsByName, string shortName, string longName, CliParserConfig config)
{
if (config == null)
{
throw new ArgumentNullException(nameof(config), "You cannot pass a null configuration action");
}
if (string.IsNullOrEmpty(longName))
{
throw new ArgumentNullException(nameof(longName), "Verb Long Name cannot be null or an empty string");
}
if (string.IsNullOrEmpty(shortName))
{
throw new ArgumentNullException(nameof(longName), "Verb Short Name cannot be null or an empty string");
}
if (config.StringComparer.Equals(longName, config.ShortHelpSwitch) || config.StringComparer.Equals(longName, config.LongHelpSwitch))
{
throw new CliParserBuilderException($"Short name for {longName} is already used by a help switch ({config.ShortHelpSwitch} or {config.LongHelpSwitch})");
}
if (config.StringComparer.Equals(shortName, config.ShortHelpSwitch) || config.StringComparer.Equals(shortName, config.LongHelpSwitch))
{
throw new CliParserBuilderException($"Long name for {shortName} is already used by a help switch ({config.ShortHelpSwitch} or {config.LongHelpSwitch})");
}
if (verbsByName.ContainsKey(longName))
{
throw new CliParserBuilderException(string.Concat("The verb name ", longName, " has already been used, you may only use unique verb names"));
}
if (verbsByName.ContainsKey(shortName))
{
throw new CliParserBuilderException(string.Concat("The verb name ", shortName, " has already been used, you may only use unique verb names"));
}
}
/// <summary>
/// Writes the overall help.
/// Lists all verbs, their aliases, and their help text.
/// </summary>
/// <param name="console">The console help is written to.</param>
public void WriteOverallHelp(IConsole console, IReadOnlyCollection <IVerb> verbs, CliParserConfig config)
{
ConsoleColor original = console.ForegroundColor;
int width = console.CurrentWidth;
console.WriteLine("Verbs...");
// This is the number of characters we're reserving for the key text
// A few more spaces just so it's easier to read
WritePaddedKeywordDescriptions(console,
KeywordColor,
verbs.Select(verb => new KeywordAndDescription(verb.ShortAndLongName, verb.HelpText)));
console.Write("For detailed help, use: ");
console.ForegroundColor = KeywordColor;
console.WriteLine($"verbname " + ArgUtils.ShortAndLongName(config.ShortHelpSwitch, config.LongHelpSwitch));
console.WriteLine();
console.ForegroundColor = original;
}
