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package java.io
import scala.scalajs.js
import scala.annotation.tailrec
class ByteArrayOutputStream(initBufSize: Int) extends OutputStream {
protected var buf: Array[Byte] = new Array(initBufSize)
protected var count: Int = 0
def this() = this(32)
override def write(b: Int): Unit = {
if (count >= buf.length)
growBuf(1)
buf(count) = b.toByte
count += 1
}
override def write(b: Array[Byte], off: Int, len: Int): Unit = {
if (off < 0 || len < 0 || len > b.length - off)
throw new IndexOutOfBoundsException()
if (count + len > buf.length)
growBuf(len)
System.arraycopy(b, off, buf, count, len)
count += len
}
def writeTo(out: OutputStream): Unit =
out.write(buf, 0, count)
def reset(): Unit =
count = 0
def toByteArray(): Array[Byte] = {
val res = new Array[Byte](count)
System.arraycopy(buf, 0, res, 0, count)
res
}
def size(): Int = count
override def toString(): String =
new String(buf, 0, count)
def toString(charsetName: String): String =
new String(buf, 0, count, charsetName)
override def close(): Unit = ()
private def growBuf(minIncrement: Int): Unit = {
val newSize = Math.max(count + minIncrement, buf.length * 2)
val newBuf = new Array[Byte](newSize)
System.arraycopy(buf, 0, newBuf, 0, count)
buf = newBuf
}
}
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