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package dotty.tools
package dottydoc
package core
import dotc.core.Contexts.Context
import transform.DocMiniPhase
import model._
import model.internal._
/** This DocMiniPhase sorts the members of all classes, traits, objects and packages */
class SortMembers extends DocMiniPhase {
private implicit val EntityOrdering: Ordering[Entity] = new Ordering[Entity] {
def compare(x: Entity, y: Entity): Int = {
val nameComp = x.name.compareTo(y.name)
if (nameComp == 0) x.kind.compareTo(y.kind)
else nameComp
}
}
private def sort(xs: List[Entity]): List[Entity] = {
def sortOrNil(xs: Option[List[Entity]]*) =
xs.map(_.getOrElse(Nil)).reduceLeft(_ ++ _).sorted
val map = xs.groupBy(_.kind)
val pkgs = sortOrNil(map.get("package"))
val typs = sortOrNil(map.get("type"))
val vals = sortOrNil(map.get("val"), map.get("var"))
val nested = sortOrNil(map.get("object"), map.get("class"), map.get("case class"), map.get("trait"))
val defs = sortOrNil(map.get("def"))
pkgs ++ nested ++ typs ++ vals ++ defs
}
override def transformPackage(implicit ctx: Context) = { case p: PackageImpl =>
p.copy(members = sort(p.members))
}
override def transformClass(implicit ctx: Context) = { case c: ClassImpl =>
c.copy(members = sort(c.members))
}
override def transformCaseClass(implicit ctx: Context) = { case cc: CaseClassImpl =>
cc.copy(members = sort(cc.members))
}
override def transformTrait(implicit ctx: Context) = { case t: TraitImpl =>
t.copy(members = sort(t.members))
}
override def transformObject(implicit ctx: Context) = { case o: ObjectImpl =>
o.copy(members = sort(o.members))
}
}
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