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/* __ *\
** ________ ___ / / ___ __ ____ Scala.js API **
** / __/ __// _ | / / / _ | __ / // __/ (c) 2013, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ |/_// /_\ \ http://scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | |__/ /____/ **
** |/____/ **
\* */
package scala.scalajs.js
import scala.language.implicitConversions
import scala.collection.mutable
import mutable.Builder
import scala.collection.generic.{CanBuildFrom, GenericCompanion, SeqFactory}
/** Equivalent of scm.WrappedArray for js.Array */
@inline
final class WrappedArray[A](val array: Array[A])
extends mutable.AbstractBuffer[A]
with scala.collection.generic.GenericTraversableTemplate[A, WrappedArray]
with mutable.IndexedSeq[A]
with mutable.BufferLike[A, WrappedArray[A]]
with mutable.ArrayLike[A, WrappedArray[A]]
with Builder[A, WrappedArray[A]] {
/** Creates a new empty [[WrappedArray]]. */
def this() = this(Array())
override def companion: GenericCompanion[WrappedArray] = WrappedArray
// IndexedSeq interface
@inline def update(index: Int, elem: A): Unit = array(index) = elem
@inline def apply(index: Int): A = array(index)
@inline def length: Int = array.length
// Builder interface
@inline def +=(elem: A): this.type = {
array.push(elem)
this
}
@inline def clear(): Unit =
array.length = 0
@inline def result(): WrappedArray[A] = this
// Rest of BufferLike interface
@inline def +=:(elem: A): this.type = {
array.unshift(elem)
this
}
@inline override def ++=:(xs: TraversableOnce[A]): this.type = {
array.unshift(xs.toSeq: _*)
this
}
@inline def insertAll(n: Int,
elems: scala.collection.Traversable[A]): Unit = {
array.splice(n, 0, elems.toSeq: _*)
}
@inline def remove(n: Int): A =
array.splice(n, 1)(0)
@inline override def remove(n: Int, count: Int): Unit =
array.splice(n, count)
@inline override def stringPrefix: String = "WrappedArray"
}
/** $factoryInfo
* @define coll wrapped array
* @define Coll `WrappedArray`
*/
object WrappedArray extends SeqFactory[WrappedArray] {
/** $genericCanBuildFromInfo */
implicit def canBuildFrom[A]: CanBuildFrom[Coll, A, WrappedArray[A]] =
ReusableCBF.asInstanceOf[GenericCanBuildFrom[A]]
def newBuilder[A]: Builder[A, WrappedArray[A]] = new WrappedArray[A]
implicit def toJSArray[A](wrappedArray: WrappedArray[A]): Array[A] =
wrappedArray.array
}
|
