McMaster.Extensions.CommandLineUtils 2.2.0

New features:

• Added more validation attributes.
  • Add the [FileExists] attribute
  • Add the [FileOrDirectoryExists] attribute
  • Add the [DirectoryExists] attribute
  • Add the [LegalFilePath] attribute
  • Add the [AllowedValues] attribute
• Added a new, fluent API for validation.
  • Added Option().Accepts() and Argument().Accepts()
  • Add .ExistingFile()
  • Add .ExistingFileOrDirectory()
  • Add .ExistingDirectory()
  • Add .EmailAddress()
  • Add .LegalFilePath()
  • Add .MinLength(length)
  • Add .MaxLength(length)
  • Add .RegularExpression(pattern)
  • Add .Values(string[] allowedValues)
  • Add .Range(min, max)
• Add CommandOptionType.SingleOrNoValue.
  • Options of this type can be a switch, or have a value but only in the form --param:value or --param=value.
  • Support mapping ValueTuple<bool,T> to CommandOptionType.SingleOrNoValue
• Generic commands, options, and arguments
  • Added CommandLineApplication<TModel>. This allows associating an application with a specific .NET type
  • Add support for Option<T> and Argument<T>
• Convention API
  • Adds support for writing your own conventions to convert command line arguments into a .NET type
  • Add API to use a dozen of built-in conventions

Other enhancements:

• Support parsing enums
• @rmcc13 - HelpOption can be set to be inherited by all subcommands
• @atruskie - Support for parsing double and floats
• @sebastienros - Support for case-insensitive options
• @atruskie: Add support for user-defined value parsers using IValueParser and CommandLineApplication.ValueParsers.
• Add support for constructor injection and dependency injection by providing a custom service provider
• Parse these values to boolean: T, t, F, f, 0, 1
• Add VersionOptionFromMember to use a property or method as the source of version information

See more details here: https://github.com/natemcmaster/CommandLineUtils/blob/master/CHANGELOG.md#v220