caseapp.core.parser.OptionParser.scala Maven / Gradle / Ivy
package caseapp.core.parser
import caseapp.core.Scala3Helpers._
import caseapp.core.{Arg, Error}
import dataclass.data
import caseapp.core.util.Formatter
import caseapp.Name
case class OptionParser[T](underlying: Parser[T]) extends Parser[Option[T]] {
type D = underlying.D
def init: D =
underlying.init
def step(
args: List[String],
index: Int,
d: D,
nameFormatter: Formatter[Name]
): Either[(Error, Arg, List[String]), Option[(D, Arg, List[String])]] =
underlying.step(args, index, d, nameFormatter)
def get(d: D, nameFormatter: Formatter[Name]): Right[Error, Option[T]] =
Right(underlying.get(d, nameFormatter).toOption)
def args: Seq[Arg] =
underlying.args
override def defaultStopAtFirstUnrecognized: Boolean =
underlying.defaultStopAtFirstUnrecognized
override def defaultIgnoreUnrecognized: Boolean =
underlying.defaultIgnoreUnrecognized
override def defaultNameFormatter: Formatter[Name] =
underlying.defaultNameFormatter
def withDefaultOrigin(origin: String): Parser[Option[T]] =
this.withUnderlying(underlying.withDefaultOrigin(origin))
}