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2025-07-24 20:24:17 +02:00
commit ded3b31aa4
16 changed files with 819 additions and 0 deletions

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package com.infendro.bytearray
enum class ByteOrder {
BIG_ENDIAN {
override fun normalize(
bytes: ByteArray,
): ByteArray {
return bytes
}
},
LITTLE_ENDIAN {
override fun normalize(
bytes: ByteArray,
): ByteArray {
return bytes.reversedArray()
}
};
internal abstract fun normalize(
bytes: ByteArray,
): ByteArray
}

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package com.infendro.bytearray
fun MutableCollection<Byte>.addAll(
bytes: ByteArray,
): Boolean {
return addAll(bytes)
}

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

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package com.infendro.bytearray
import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
fun Long.toByteArray(
order: ByteOrder = BIG_ENDIAN,
): ByteArray {
val bytes = ByteArray(8) { i ->
val offset = (7 - i) * 8
(this ushr offset).toByte()
}
return order.normalize(bytes)
}
fun ByteArray.toLong(
order: ByteOrder = BIG_ENDIAN,
): Long {
if (size != 8) throw Exception()
val bytes = order.normalize(this)
return bytes.fold(0L) { acc, byte ->
(acc shl 8) or (byte.toLong() and 0xFFL)
}
}
fun Collection<Byte>.toLong(
order: ByteOrder = BIG_ENDIAN,
): Long {
return toByteArray()
.toLong(order)
}
fun ByteArray.toLongArray(
order: ByteOrder = BIG_ENDIAN,
): LongArray {
if (size % 8 != 0) throw Exception()
return toList()
.chunked(8)
.map { it.toLong(order) }
.toLongArray()
}
fun Collection<Byte>.toLongArray(
order: ByteOrder = BIG_ENDIAN,
): LongArray {
return toByteArray()
.toLongArray(order)
}

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package com.infendro.bytearray
import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
fun UInt.toByteArray(
order: ByteOrder = BIG_ENDIAN,
): ByteArray {
val bytes = ByteArray(4) { i ->
val offset = (3 - i) * 8
(this shr offset).toByte()
}
return order.normalize(bytes)
}
fun ByteArray.toUInt(
order: ByteOrder = BIG_ENDIAN,
): UInt {
if (size != 4) throw Exception()
val bytes = order.normalize(this)
return bytes.fold(0U) { acc, byte ->
(acc shl 8) or (byte.toUInt() and 0xFFU)
}
}
fun Collection<Byte>.toUInt(
order: ByteOrder = BIG_ENDIAN,
): UInt {
return toByteArray()
.toUInt(order)
}
fun ByteArray.toUIntArray(
order: ByteOrder = BIG_ENDIAN,
): UIntArray {
if (size % 4 != 0) throw Exception()
return toList()
.chunked(4)
.map { it.toUInt(order) }
.toUIntArray()
}
fun Collection<Byte>.toUIntArray(
order: ByteOrder = BIG_ENDIAN,
): UIntArray {
return toByteArray()
.toUIntArray(order)
}

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package com.infendro.bytearray
import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
fun ULong.toByteArray(
order: ByteOrder = BIG_ENDIAN,
): ByteArray {
val bytes = ByteArray(8) { i ->
val offset = (7 - i) * 8
(this shr offset).toByte()
}
return order.normalize(bytes)
}
fun ByteArray.toULong(
order: ByteOrder = BIG_ENDIAN,
): ULong {
if (size != 8) throw Exception()
val bytes = order.normalize(this)
return bytes.fold(0UL) { acc, byte ->
(acc shl 8) or (byte.toULong() and 0xFFUL)
}
}
fun Collection<Byte>.toULong(
order: ByteOrder = BIG_ENDIAN,
): ULong {
return toByteArray()
.toULong(order)
}
fun ByteArray.toULongArray(
order: ByteOrder = BIG_ENDIAN,
): ULongArray {
if (size % 8 != 0) throw Exception()
return toList()
.chunked(8)
.map { it.toULong(order) }
.toULongArray()
}
fun Collection<Byte>.toULongArray(
order: ByteOrder = BIG_ENDIAN,
): ULongArray {
return toByteArray()
.toULongArray(order)
}