com.thoughtworks.microbuilder.play.WrappedHaxeIterator.scala Maven / Gradle / Ivy
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/*
* microbuilder-play
* Copyright 2015 ThoughtWorks, Inc. & 深圳岂凡网络有限公司 (Shenzhen QiFun Network Corp., LTD)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.thoughtworks.microbuilder.play
import com.dongxiguo.continuation.utils.{ Generator => HaxeGenerator }
import haxe.root.Reflect
private[play] trait WrappedHaxeIterator[+Element] extends Iterator[Element] {
def haxeIterator: AnyRef
}
private[play] object WrappedHaxeIterator {
private final class WrappedHaxeGenerator[+Element](haxeGenerator: HaxeGenerator[_ <: Element]) extends WrappedHaxeIterator[Element] {
override final def hasNext = haxeGenerator.hasNext
override final def next() = haxeGenerator.next().asInstanceOf[Element]
override final def haxeIterator = haxeGenerator
}
private final class WrappedReflectiveIterator(override val haxeIterator: AnyRef) extends WrappedHaxeIterator[Any] {
override final def hasNext = {
Reflect.callMethod(haxeIterator, Reflect.field(haxeIterator, "hasNext"), new haxe.root.Array()).asInstanceOf[Boolean]
}
override final def next() = {
Reflect.callMethod(haxeIterator, Reflect.field(haxeIterator, "next"), new haxe.root.Array())
}
}
final def apply(haxeIterator: AnyRef): WrappedHaxeIterator[Any] = {
haxeIterator match {
case generator: HaxeGenerator[_] => new WrappedHaxeGenerator(generator)
case _ => new WrappedReflectiveIterator(haxeIterator)
}
}
}