50 lines
1013 B
Kotlin
50 lines
1013 B
Kotlin
package com.infendro.bytearray
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import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
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fun Int.toByteArray(
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order: ByteOrder = BIG_ENDIAN,
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): ByteArray {
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val bytes = ByteArray(4) { i ->
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val offset = (3 - i) * 8
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(this ushr offset).toByte()
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}
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return order.normalize(bytes)
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}
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fun ByteArray.toInt(
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order: ByteOrder = BIG_ENDIAN,
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): Int {
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if (size != 4) throw Exception()
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val bytes = order.normalize(this)
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return bytes.fold(0) { acc, byte ->
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(acc shl 8) or (byte.toInt() and 0xFF)
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}
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}
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fun Collection<Byte>.toInt(
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order: ByteOrder = BIG_ENDIAN,
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): Int {
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return toByteArray()
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.toInt(order)
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}
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fun ByteArray.toIntArray(
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order: ByteOrder = BIG_ENDIAN,
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): IntArray {
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if (size % 4 != 0) throw Exception()
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return toList()
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.chunked(4)
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.map { it.toInt(order) }
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.toIntArray()
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}
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fun Collection<Byte>.toIntArray(
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order: ByteOrder = BIG_ENDIAN,
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): IntArray {
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return toByteArray()
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.toIntArray(order)
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}
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