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Skew.scala
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Skew.scala
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/*
* Copyright (c) 2022 Typelevel
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package org.typelevel.idna4s.core.bootstring
import cats._
import cats.syntax.all._
sealed abstract class Skew extends Product with Serializable {
def value: Int
final override def toString: String = s"Skew(value = ${value})"
}
object Skew {
final private[this] case class SkewImpl(override val value: Int) extends Skew
val PunycodeSkew: Skew = unsafeFromInt(38)
def fromInt(value: Int): Either[String, Skew] =
if (value >= 1) {
Right(SkewImpl(value))
} else {
Left(s"According to RFC-3492 skew values must be >= 1.")
}
def unsafeFromInt(value: Int): Skew =
fromInt(value).fold(
e => throw new IllegalArgumentException(e),
identity
)
def fromString(value: String): Either[String, Skew] =
ApplicativeError[Either[Throwable, *], Throwable]
.catchNonFatal(
value.toInt
)
.leftMap(_.getLocalizedMessage)
.flatMap(fromInt)
def unsafeFromString(value: String): Skew =
fromString(value).fold(
e => throw new IllegalArgumentException(e),
identity
)
}