7fc2790458
* addunidoc task via an AutoPlugin that depends on PrValidation and Unidoc autoplugins * separate cli option logic to a case class * remove autoplugin for root project
27 lines
772 B
Scala
27 lines
772 B
Scala
/**
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* Copyright (C) 2009-2015 Typesafe Inc. <http://www.typesafe.com>
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*/
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package akka
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case class CliOption[T](private val value: T) {
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def get: T = value
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}
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object CliOption {
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def apply[T](path: String, default: T)(implicit ev: CliOptionParser[T]): CliOption[T] = ev.parse(path, default)
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implicit class BooleanCliOption(cliOption: CliOption[Boolean]) {
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def ifTrue[A](a: => A): Option[A] = if (cliOption.get) Some(a) else None
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}
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trait CliOptionParser[T] {
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def parse(path: String, default: T): CliOption[T]
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}
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object CliOptionParser {
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implicit object BooleanCliOptionParser extends CliOptionParser[Boolean] {
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def parse(path: String, default: Boolean) =
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CliOption(sys.props.getOrElse(path, default.toString).toBoolean)
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}
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}
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}
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