core.domUtils.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* 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 org.w3c.dom
import java.util.AbstractList
private class HTMLCollectionListView(val collection: HTMLCollection) : AbstractList() {
override fun size(): Int = collection.length
override fun get(index: Int): HTMLElement =
when {
index in 0..size() - 1 -> collection.item(index) as HTMLElement
else -> throw IndexOutOfBoundsException("index $index is not in range [0 .. ${size() - 1})")
}
}
public fun HTMLCollection.asList(): List = HTMLCollectionListView(this)
public fun HTMLCollection?.toElementList(): List = this?.asList() ?: emptyList()
private class DOMTokenListView(val delegate: DOMTokenList) : AbstractList() {
override fun size(): Int = delegate.length
override fun get(index: Int) =
when {
index in 0..size() - 1 -> delegate.item(index)!!
else -> throw IndexOutOfBoundsException("index $index is not in range [0 .. ${size() - 1})")
}
}
public fun DOMTokenList.asList(): List = DOMTokenListView(this)