/*
 * Copyright 2017-2021 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
 */

package kotlinx.serialization

object HexConverter {
    private const val hexCode = "0123456789ABCDEF"

    fun printHexBinary(data: ByteArray, lowerCase: Boolean = false): String {
        val r = StringBuilder(data.size * 2)
        for (b in data) {
            r.append(hexCode[b.toInt() shr 4 and 0xF])
            r.append(hexCode[b.toInt() and 0xF])
        }
        return if (lowerCase) r.toString().lowercase() else r.toString()
    }
}