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/*
* Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
* that can be found in the license/LICENSE.txt file.
*/
package kotlin.js
import withType
external fun <T> Array(size: Int): Array<T>
internal fun <T> fillArrayVal(array: Array<T>, initValue: T): Array<T> {
for (i in 0..array.size - 1) {
array[i] = initValue
}
return array
}
internal inline fun <T> arrayWithFun(size: Int, init: (Int) -> T) = fillArrayFun(Array<T>(size), init)
internal inline fun <T> fillArrayFun(array: dynamic, init: (Int) -> T): Array<T> {
val result = array.unsafeCast<Array<T>>()
var i = 0
while (i != result.size) {
result[i] = init(i)
++i
}
return result
}
internal fun booleanArray(size: Int): BooleanArray = withType("BooleanArray", fillArrayVal(Array<Boolean>(size), false)).unsafeCast<BooleanArray>()
internal fun booleanArrayOf(arr: Array<Boolean>): BooleanArray = withType("BooleanArray", arr.asDynamic().slice()).unsafeCast<BooleanArray>()
internal fun charArray(size: Int): CharArray = withType("CharArray", fillArrayVal(Array<Int>(size), 0)).unsafeCast<CharArray>()
internal fun charArrayOf(arr: Array<Char>): CharArray = withType("CharArray", arr.asDynamic().slice()).unsafeCast<CharArray>()
internal fun longArray(size: Int): LongArray = withType("LongArray", fillArrayVal(Array<Long>(size), 0L)).unsafeCast<LongArray>()
internal fun longArrayOf(arr: Array<Long>): LongArray = withType("LongArray", arr.asDynamic().slice()).unsafeCast<LongArray>()
internal fun <T> arrayIterator(array: Array<T>) = object : Iterator<T> {
var index = 0
override fun hasNext() = index != array.size
override fun next() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
}
internal fun booleanArrayIterator(array: BooleanArray) = object : BooleanIterator() {
var index = 0
override fun hasNext() = index != array.size
override fun nextBoolean() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
}
internal fun byteArrayIterator(array: ByteArray) = object : ByteIterator() {
var index = 0
override fun hasNext() = index != array.size
override fun nextByte() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
}
internal fun shortArrayIterator(array: ShortArray) = object : ShortIterator() {
var index = 0
override fun hasNext() = index != array.size
override fun nextShort() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
}
internal fun charArrayIterator(array: CharArray) = object : CharIterator() {
var index = 0
override fun hasNext() = index != array.size
override fun nextChar() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
}
internal fun intArrayIterator(array: IntArray) = object : IntIterator() {
var index = 0
override fun hasNext() = index != array.size
override fun nextInt() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
}
internal fun floatArrayIterator(array: FloatArray) = object : FloatIterator() {
var index = 0
override fun hasNext() = index != array.size
override fun nextFloat() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
}
internal fun doubleArrayIterator(array: DoubleArray) = object : DoubleIterator() {
var index = 0
override fun hasNext() = index != array.size
override fun nextDouble() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
}
internal fun longArrayIterator(array: LongArray) = object : LongIterator() {
var index = 0
override fun hasNext() = index != array.size
override fun nextLong() = if (index != array.size) array[index++] else throw NoSuchElementException("$index")
}
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