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import play.api.libs.json._
import ammonite.ops.{Bytes, Path}
import coursier.Dependency
import forge.util.Args
package object forge {
val T = Target
type T[T] = Target[T]
def zipMap[R]()(f: () => R) = new Target.Target0(f())
def zipMap[A, R](a: T[A])(f: A => R) = a.map(f)
def zipMap[A, B, R](a: T[A], b: T[B])(f: (A, B) => R) = zip(a, b).map(f.tupled)
def zipMap[A, B, C, R](a: T[A], b: T[B], c: T[C])(f: (A, B, C) => R) = zip(a, b, c).map(f.tupled)
def zipMap[A, B, C, D, R](a: T[A], b: T[B], c: T[C], d: T[D])(f: (A, B, C, D) => R) = zip(a, b, c, d).map(f.tupled)
def zipMap[A, B, C, D, E, R](a: T[A], b: T[B], c: T[C], d: T[D], e: T[E])(f: (A, B, C, D, E) => R) = zip(a, b, c, d, e).map(f.tupled)
def zip() = new Target.Target0(())
def zip[A](a: T[A]) = a.map(Tuple1(_))
def zip[A, B](a: T[A], b: T[B]) = a.zip(b)
def zip[A, B, C](a: T[A], b: T[B], c: T[C]) = new T[(A, B, C)]{
val inputs = Seq(a, b, c)
def evaluate(args: Args) = (args[A](0), args[B](1), args[C](2))
}
def zip[A, B, C, D](a: T[A], b: T[B], c: T[C], d: T[D]) = new T[(A, B, C, D)]{
val inputs = Seq(a, b, c, d)
def evaluate(args: Args) = (args[A](0), args[B](1), args[C](2), args[D](3))
}
def zip[A, B, C, D, E](a: T[A], b: T[B], c: T[C], d: T[D], e: T[E]) = new T[(A, B, C, D, E)]{
val inputs = Seq(a, b, c, d, e)
def evaluate(args: Args) = (args[A](0), args[B](1), args[C](2), args[D](3), args[E](4))
}
implicit object pathFormat extends Format[ammonite.ops.Path]{
def reads(json: JsValue) = json match{
case JsString(v) => JsSuccess(Path(v))
case _ => JsError("Paths must be a String")
}
def writes(o: Path) = JsString(o.toString)
}
implicit object bytesFormat extends Format[Bytes]{
def reads(json: JsValue) = json match{
case JsString(v) => JsSuccess(
new Bytes(javax.xml.bind.DatatypeConverter.parseBase64Binary(v))
)
case _ => JsError("Bytes must be a String")
}
def writes(o: Bytes) = {
JsString(javax.xml.bind.DatatypeConverter.printBase64Binary(o.array))
}
}
implicit def EitherFormat[T: Format, V: Format] = new Format[Either[T, V]]{
def reads(json: JsValue) = json match{
case JsObject(struct) =>
(struct.get("type"), struct.get("value")) match{
case (Some(JsString("Left")), Some(v)) => implicitly[Reads[T]].reads(v).map(Left(_))
case (Some(JsString("Right")), Some(v)) => implicitly[Reads[V]].reads(v).map(Right(_))
case _ => JsError("Either object layout is unknown")
}
case _ => JsError("Either must be an Object")
}
def writes(o: Either[T, V]) = o match{
case Left(v) => Json.obj("type" -> "Left", "value" -> implicitly[Writes[T]].writes(v))
case Right(v) => Json.obj("type" -> "Right", "value" -> implicitly[Writes[V]].writes(v))
}
}
implicit val crFormat: Format[ammonite.ops.CommandResult] = Json.format
implicit val modFormat: Format[coursier.Module] = Json.format
// https://github.com/playframework/play-json/issues/120
// implicit val depFormat: Format[coursier.Dependency] = Json.format
implicit val depFormat: Format[coursier.Dependency] = new Format[coursier.Dependency] {
def writes(o: Dependency) = {
Json.obj(
"module" -> Json.toJson(o.module),
"version" -> Json.toJson(o.version),
"configuration" -> Json.toJson(o.configuration),
"exclusions" -> Json.toJson(o.exclusions),
"attributes" -> Json.toJson(o.attributes),
"optional" -> Json.toJson(o.optional),
"transitive" -> Json.toJson(o.transitive)
)
}
def reads(json: JsValue) = json match{
case x: JsObject =>
JsSuccess(coursier.Dependency(
Json.fromJson[coursier.Module](x.value("module")).get,
Json.fromJson[String](x.value("version")).get,
Json.fromJson[String](x.value("configuration")).get,
Json.fromJson[coursier.Attributes](x.value("attributes")).get,
Json.fromJson[Set[(String, String)]](x.value("exclusions")).get,
Json.fromJson[Boolean](x.value("optional")).get,
Json.fromJson[Boolean](x.value("transitive")).get
))
case _ => JsError("Dep must be an object")
}
}
implicit val attrFormat: Format[coursier.Attributes] = Json.format
}
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