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implement optimizations

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Infendro
2026-01-14 15:36:50 +01:00
parent 9391009403
commit cc9961084c
31 changed files with 1025 additions and 1037 deletions
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19
src/commonMain/kotlin/com/infendro/bytearray/ByteOrder.kt
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package com.infendro.bytearray
import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
import com.infendro.bytearray.ByteOrder.LITTLE_ENDIAN
enum class ByteOrder {
BIG_ENDIAN, LITTLE_ENDIAN;
}
fun ByteArray.normalize(
order: ByteOrder,
): ByteArray = when (order) {
BIG_ENDIAN -> this
LITTLE_ENDIAN -> reversedArray()
}
fun UByteArray.normalize(
order: ByteOrder,
): UByteArray = asByteArray().normalize(order).asUByteArray()

177
src/commonMain/kotlin/com/infendro/bytearray/Conversion.kt
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package com.infendro.bytearray
import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
fun ByteArray.toInt(
order: ByteOrder = BIG_ENDIAN,
): Int {
require(size == 4)
return normalize(order)
.fold(0) { acc, byte -> (acc shl 8) or (byte.toInt() and 0xFF) }
}
fun UByteArray.toInt(
order: ByteOrder = BIG_ENDIAN,
): Int = asByteArray().toInt(order)
fun ByteArray.toUInt(
order: ByteOrder = BIG_ENDIAN,
): UInt = toInt(order).toUInt()
fun UByteArray.toUInt(
order: ByteOrder = BIG_ENDIAN,
): UInt = asByteArray().toUInt(order)
fun ByteArray.toIntArray(
order: ByteOrder = BIG_ENDIAN,
): IntArray {
require(size % 4 == 0)
return asList()
.chunked(4) { it.toByteArray().toInt(order) }
.toIntArray()
}
fun UByteArray.toIntArray(
order: ByteOrder = BIG_ENDIAN,
): IntArray = asByteArray().toIntArray(order)
fun ByteArray.toUIntArray(
order: ByteOrder = BIG_ENDIAN,
): UIntArray = toIntArray(order).asUIntArray()
fun UByteArray.toUIntArray(
order: ByteOrder = BIG_ENDIAN,
): UIntArray = asByteArray().toUIntArray(order)
fun Int.toByteArray(
order: ByteOrder = BIG_ENDIAN,
): ByteArray {
val bytes = ByteArray(4) { i ->
val offset = (3 - i) * 8
(this ushr offset).toByte()
}
return bytes.normalize(order)
}
fun UInt.toByteArray(
order: ByteOrder = BIG_ENDIAN,
): ByteArray = toInt().toByteArray(order)
fun Int.toUByteArray(
order: ByteOrder = BIG_ENDIAN,
): UByteArray = toByteArray(order).asUByteArray()
fun UInt.toUByteArray(
order: ByteOrder = BIG_ENDIAN,
): UByteArray = toInt().toUByteArray(order)
fun IntArray.toByteArray(
order: ByteOrder = BIG_ENDIAN,
): ByteArray {
val bytes = mutableListOf<Byte>()
for (n in this) {
bytes += n.toByteArray(order).toList()
}
return bytes.toByteArray()
}
fun UIntArray.toByteArray(
order: ByteOrder = BIG_ENDIAN,
): ByteArray = asIntArray().toByteArray(order)
fun IntArray.toUByteArray(
order: ByteOrder = BIG_ENDIAN,
): UByteArray = toByteArray(order).asUByteArray()
fun UIntArray.toUByteArray(
order: ByteOrder = BIG_ENDIAN,
): UByteArray = asIntArray().toUByteArray(order)
fun ByteArray.toLong(
order: ByteOrder = BIG_ENDIAN,
): Long {
require(size == 8)
return normalize(order)
.fold(0L) { acc, byte -> (acc shl 8) or (byte.toLong() and 0xFFL) }
}
fun UByteArray.toLong(
order: ByteOrder = BIG_ENDIAN,
): Long = asByteArray().toLong(order)
fun ByteArray.toULong(
order: ByteOrder = BIG_ENDIAN,
): ULong = toLong(order).toULong()
fun UByteArray.toULong(
order: ByteOrder = BIG_ENDIAN,
): ULong = asByteArray().toULong(order)
fun ByteArray.toLongArray(
order: ByteOrder = BIG_ENDIAN,
): LongArray {
require(size % 8 == 0)
return asList()
.chunked(8) { it.toByteArray().toLong(order) }
.toLongArray()
}
fun UByteArray.toLongArray(
order: ByteOrder = BIG_ENDIAN,
): LongArray = asByteArray().toLongArray(order)
fun ByteArray.toULongArray(
order: ByteOrder = BIG_ENDIAN,
): ULongArray = toLongArray(order).asULongArray()
fun UByteArray.toULongArray(
order: ByteOrder = BIG_ENDIAN,
): ULongArray = asByteArray().toULongArray(order)
fun Long.toByteArray(
order: ByteOrder = BIG_ENDIAN,
): ByteArray {
val bytes = ByteArray(8) { i ->
val offset = (7 - i) * 8
(this ushr offset).toByte()
}
return bytes.normalize(order)
}
fun ULong.toByteArray(
order: ByteOrder = BIG_ENDIAN,
): ByteArray = toLong().toByteArray(order)
fun Long.toUByteArray(
order: ByteOrder = BIG_ENDIAN,
): UByteArray = toByteArray(order).asUByteArray()
fun ULong.toUByteArray(
order: ByteOrder = BIG_ENDIAN,
): UByteArray = toLong().toUByteArray(order)
fun LongArray.toByteArray(
order: ByteOrder = BIG_ENDIAN,
): ByteArray {
val bytes = mutableListOf<Byte>()
for (n in this) {
bytes += n.toByteArray(order).asList()
}
return bytes.toByteArray()
}
fun ULongArray.toByteArray(
order: ByteOrder = BIG_ENDIAN,
): ByteArray = asLongArray().toByteArray(order)
fun LongArray.toUByteArray(
order: ByteOrder = BIG_ENDIAN,
): UByteArray = toByteArray(order).asUByteArray()
fun ULongArray.toUByteArray(
order: ByteOrder = BIG_ENDIAN,
): UByteArray = asLongArray().toUByteArray(order)

35
src/commonMain/kotlin/com/infendro/bytearray/Modification.kt
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package com.infendro.bytearray
fun ByteArray.padStart(
length: Int,
padByte: Byte,
): ByteArray {
val bytes = mutableListOf<Byte>()
repeat(length - size) {
bytes += padByte
}
bytes += this.asList()
return bytes.toByteArray()
}
fun UByteArray.padStart(
length: Int,
padByte: UByte,
): UByteArray = asByteArray().padStart(length, padByte.toByte()).asUByteArray()
fun ByteArray.padEnd(
length: Int,
padByte: Byte,
): ByteArray {
val bytes = mutableListOf<Byte>()
bytes += this.asList()
repeat(length - size) {
bytes += padByte
}
return bytes.toByteArray()
}
fun UByteArray.padEnd(
length: Int,
padByte: UByte,
): UByteArray = asByteArray().padEnd(length, padByte.toByte()).asUByteArray()

47
src/commonMain/kotlin/com/infendro/bytearray/Operators.kt
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package com.infendro.bytearray
import kotlin.experimental.and
import kotlin.experimental.or
import kotlin.experimental.xor
infix fun ByteArray.and(
that: ByteArray,
): ByteArray {
require(this.size == that.size)
return ByteArray(size) { i ->
this[i] and that[i]
}
}
infix fun UByteArray.and(
that: UByteArray,
): UByteArray = (this.asByteArray() and that.asByteArray()).asUByteArray()
infix fun ByteArray.or(
that: ByteArray,
): ByteArray {
require(this.size == that.size)
return ByteArray(size) { i ->
this[i] or that[i]
}
}
infix fun UByteArray.or(
that: UByteArray,
): UByteArray = (this.asByteArray() or that.asByteArray()).asUByteArray()
infix fun ByteArray.xor(
that: ByteArray,
): ByteArray {
require(this.size == that.size)
return ByteArray(size) { i ->
this[i] xor that[i]
}
}
infix fun UByteArray.xor(
that: UByteArray,
): UByteArray = (this.asByteArray() xor that.asByteArray()).asUByteArray()

5
src/commonMain/kotlin/com/infendro/bytes/ByteOrder.kt Normal file
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package com.infendro.bytes
enum class ByteOrder {
BIG_ENDIAN, LITTLE_ENDIAN;
}

32
src/commonMain/kotlin/com/infendro/bytes/bytearray/Conversion.kt Normal file
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package com.infendro.bytes.bytearray
import com.infendro.bytes.ByteOrder
import com.infendro.bytes.ByteOrder.BIG_ENDIAN
import com.infendro.bytes.ubytearray.toInt
import com.infendro.bytes.ubytearray.toLong
import com.infendro.bytes.ubytearray.toUInt
import com.infendro.bytes.ubytearray.toULong
fun ByteArray.toUInt(startIndex: Int = 0, order: ByteOrder = BIG_ENDIAN) =
asUByteArray().toUInt(startIndex, order)
fun ByteArray.toInt(startIndex: Int = 0, order: ByteOrder = BIG_ENDIAN) =
asUByteArray().toInt(startIndex, order)
fun ByteArray.toUIntArray(order: ByteOrder = BIG_ENDIAN) =
UIntArray(size / 4).also { copyInto(it, order = order) }
fun ByteArray.toIntArray(order: ByteOrder = BIG_ENDIAN) =
IntArray(size / 4).also { copyInto(it, order = order) }
fun ByteArray.toULong(startIndex: Int = 0, order: ByteOrder = BIG_ENDIAN) =
asUByteArray().toULong(startIndex, order)
fun ByteArray.toLong(startIndex: Int = 0, order: ByteOrder = BIG_ENDIAN) =
asUByteArray().toLong(startIndex, order)
fun ByteArray.toULongArray(order: ByteOrder = BIG_ENDIAN) =
ULongArray(size / 8).also { copyInto(it, order = order) }
fun ByteArray.toLongArray(order: ByteOrder = BIG_ENDIAN) =
LongArray(size / 8).also { copyInto(it, order = order) }

37
src/commonMain/kotlin/com/infendro/bytes/bytearray/Copy.kt Normal file
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package com.infendro.bytes.bytearray
import com.infendro.bytes.ByteOrder
import com.infendro.bytes.ByteOrder.BIG_ENDIAN
import com.infendro.bytes.ubytearray.copyInto
fun ByteArray.copyInto(
destination: UIntArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) = asUByteArray().copyInto(destination, destinationOffset, startIndex, endIndex, order)
fun ByteArray.copyInto(
destination: IntArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) = asUByteArray().copyInto(destination, destinationOffset, startIndex, endIndex, order)
fun ByteArray.copyInto(
destination: ULongArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) = asUByteArray().copyInto(destination, destinationOffset, startIndex, endIndex, order)
fun ByteArray.copyInto(
destination: LongArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) = asUByteArray().copyInto(destination, destinationOffset, startIndex, endIndex, order)

70
src/commonMain/kotlin/com/infendro/bytes/bytearray/Operators.kt Normal file
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package com.infendro.bytes.bytearray
import com.infendro.bytes.ubytearray.*
fun ByteArray.invInto(
destination: ByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
) = asUByteArray().invInto(destination.asUByteArray(), destinationOffset, startIndex, endIndex)
fun ByteArray.inv() =
(asUByteArray().inv()).asByteArray()
fun ByteArray.andInto(
that: ByteArray,
destination: ByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
thatStartIndex: Int = 0,
) = asUByteArray().andInto(
that.asUByteArray(),
destination.asUByteArray(),
destinationOffset,
startIndex,
endIndex,
thatStartIndex,
)
infix fun ByteArray.and(that: ByteArray) =
(this.asUByteArray() and that.asUByteArray()).asByteArray()
fun ByteArray.orInto(
that: ByteArray,
destination: ByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
thatStartIndex: Int = 0,
) = asUByteArray().orInto(
that.asUByteArray(),
destination.asUByteArray(),
destinationOffset,
startIndex,
endIndex,
thatStartIndex,
)
infix fun ByteArray.or(that: ByteArray) =
(this.asUByteArray() or that.asUByteArray()).asByteArray()
fun ByteArray.xorInto(
that: ByteArray,
destination: ByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
thatStartIndex: Int = 0,
) = asUByteArray().xorInto(
that.asUByteArray(),
destination.asUByteArray(),
destinationOffset,
startIndex,
endIndex,
thatStartIndex,
)
infix fun ByteArray.xor(that: ByteArray) =
(this.asUByteArray() xor that.asUByteArray()).asByteArray()

16
src/commonMain/kotlin/com/infendro/bytes/int/Conversion.kt Normal file
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package com.infendro.bytes.int
import com.infendro.bytes.ByteOrder
import com.infendro.bytes.ByteOrder.BIG_ENDIAN
fun Int.toUByteArray(order: ByteOrder = BIG_ENDIAN) =
UByteArray(4).also { copyInto(it, order = order) }
fun Int.toByteArray(order: ByteOrder = BIG_ENDIAN) =
ByteArray(4).also { copyInto(it, order = order) }
fun IntArray.toUByteArray(order: ByteOrder = BIG_ENDIAN) =
UByteArray(size * 4).also { copyInto(it, order = order) }
fun IntArray.toByteArray(order: ByteOrder = BIG_ENDIAN) =
ByteArray(size * 4).also { copyInto(it, order = order) }

33
src/commonMain/kotlin/com/infendro/bytes/int/Copy.kt Normal file
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package com.infendro.bytes.int
import com.infendro.bytes.ByteOrder
import com.infendro.bytes.ByteOrder.BIG_ENDIAN
import com.infendro.bytes.uint.copyInto
fun Int.copyInto(
destination: UByteArray,
destinationOffset: Int = 0,
order: ByteOrder = BIG_ENDIAN,
) = toUInt().copyInto(destination, destinationOffset, order)
fun Int.copyInto(
destination: ByteArray,
destinationOffset: Int = 0,
order: ByteOrder = BIG_ENDIAN,
) = toUInt().copyInto(destination, destinationOffset, order)
fun IntArray.copyInto(
destination: UByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) = asUIntArray().copyInto(destination, destinationOffset, startIndex, endIndex, order)
fun IntArray.copyInto(
destination: ByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) = asUIntArray().copyInto(destination, destinationOffset, startIndex, endIndex, order)

16
src/commonMain/kotlin/com/infendro/bytes/long/Conversion.kt Normal file
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package com.infendro.bytes.long
import com.infendro.bytes.ByteOrder
import com.infendro.bytes.ByteOrder.BIG_ENDIAN
fun Long.toUByteArray(order: ByteOrder = BIG_ENDIAN) =
UByteArray(8).also { copyInto(it, order = order) }
fun Long.toByteArray(order: ByteOrder = BIG_ENDIAN) =
ByteArray(8).also { copyInto(it, order = order) }
fun LongArray.toUByteArray(order: ByteOrder = BIG_ENDIAN) =
UByteArray(size * 8).also { copyInto(it, order = order) }
fun LongArray.toByteArray(order: ByteOrder = BIG_ENDIAN) =
ByteArray(size * 8).also { copyInto(it, order = order) }

33
src/commonMain/kotlin/com/infendro/bytes/long/Copy.kt Normal file
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package com.infendro.bytes.long
import com.infendro.bytes.ByteOrder
import com.infendro.bytes.ByteOrder.BIG_ENDIAN
import com.infendro.bytes.ulong.copyInto
fun Long.copyInto(
destination: UByteArray,
destinationOffset: Int = 0,
order: ByteOrder = BIG_ENDIAN,
) = toULong().copyInto(destination, destinationOffset, order)
fun Long.copyInto(
destination: ByteArray,
destinationOffset: Int = 0,
order: ByteOrder = BIG_ENDIAN,
) = toULong().copyInto(destination, destinationOffset, order)
fun LongArray.copyInto(
destination: UByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) = asULongArray().copyInto(destination, destinationOffset, startIndex, endIndex, order)
fun LongArray.copyInto(
destination: ByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) = asULongArray().copyInto(destination, destinationOffset, startIndex, endIndex, order)

57
src/commonMain/kotlin/com/infendro/bytes/ubytearray/Conversion.kt Normal file
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package com.infendro.bytes.ubytearray
import com.infendro.bytes.ByteOrder
import com.infendro.bytes.ByteOrder.BIG_ENDIAN
import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
fun UByteArray.toUInt(startIndex: Int = 0, order: ByteOrder = BIG_ENDIAN): UInt {
require(startIndex in 0..(size - 4))
return when (order) {
BIG_ENDIAN -> {
(this[startIndex].toUInt() shl 24) or (this[startIndex + 1].toUInt() shl 16) or
(this[startIndex + 2].toUInt() shl 8) or this[startIndex + 3].toUInt()
}
LITTLE_ENDIAN -> {
this[startIndex].toUInt() or (this[startIndex + 1].toUInt() shl 8) or
(this[startIndex + 2].toUInt() shl 16) or (this[startIndex + 3].toUInt() shl 24)
}
}
}
fun UByteArray.toInt(startIndex: Int = 0, order: ByteOrder = BIG_ENDIAN) =
toUInt(startIndex, order).toInt()
fun UByteArray.toUIntArray(order: ByteOrder = BIG_ENDIAN) =
UIntArray(size / 4).also { copyInto(it, order = order) }
fun UByteArray.toIntArray(order: ByteOrder = BIG_ENDIAN) =
IntArray(size / 4).also { copyInto(it, order = order) }
fun UByteArray.toULong(startIndex: Int = 0, order: ByteOrder = BIG_ENDIAN): ULong {
require(startIndex in 0..(size - 8))
return when (order) {
BIG_ENDIAN -> {
(this[startIndex].toULong() shl 56) or (this[startIndex + 1].toULong() shl 48) or
(this[startIndex + 2].toULong() shl 40) or (this[startIndex + 3].toULong() shl 32) or
(this[startIndex + 4].toULong() shl 24) or (this[startIndex + 5].toULong() shl 16) or
(this[startIndex + 6].toULong() shl 8) or this[startIndex + 7].toULong()
}
LITTLE_ENDIAN -> {
this[startIndex].toULong() or (this[startIndex + 1].toULong() shl 8) or
(this[startIndex + 2].toULong() shl 16) or (this[startIndex + 3].toULong() shl 24) or
(this[startIndex + 4].toULong() shl 32) or (this[startIndex + 5].toULong() shl 40) or
(this[startIndex + 6].toULong() shl 48) or (this[startIndex + 7].toULong() shl 56)
}
}
}
fun UByteArray.toLong(startIndex: Int = 0, order: ByteOrder = BIG_ENDIAN) =
toULong(startIndex, order).toLong()
fun UByteArray.toULongArray(order: ByteOrder = BIG_ENDIAN) =
ULongArray(size / 8).also { copyInto(it, order = order) }
fun UByteArray.toLongArray(order: ByteOrder = BIG_ENDIAN) =
LongArray(size / 8).also { copyInto(it, order = order) }

85
src/commonMain/kotlin/com/infendro/bytes/ubytearray/Copy.kt Normal file
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package com.infendro.bytes.ubytearray
import com.infendro.bytes.ByteOrder
import com.infendro.bytes.ByteOrder.BIG_ENDIAN
import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
fun UByteArray.copyInto(
destination: UIntArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) {
val length = endIndex - startIndex
require(length >= 0 && length % 4 == 0)
require(startIndex in 0..(size - length))
require(destinationOffset in 0..(destination.size - (length / 4)))
when (order) {
BIG_ENDIAN -> {
repeat(length / 4) { i ->
destination[destinationOffset + i] =
(this[startIndex].toUInt() shl 24) or (this[startIndex + 1].toUInt() shl 16) or
(this[startIndex + 2].toUInt() shl 8) or this[startIndex + 3].toUInt()
}
}
LITTLE_ENDIAN -> {
repeat(length / 4) { i ->
destination[destinationOffset + i] =
this[startIndex].toUInt() or (this[startIndex + 1].toUInt() shl 8) or
(this[startIndex + 2].toUInt() shl 16) or (this[startIndex + 3].toUInt() shl 24)
}
}
}
}
fun UByteArray.copyInto(
destination: IntArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) = copyInto(destination.asUIntArray(), destinationOffset, startIndex, endIndex, order)
fun UByteArray.copyInto(
destination: ULongArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) {
val length = endIndex - startIndex
require(length >= 0 && length % 8 == 0)
require(startIndex in 0..(size - length))
require(destinationOffset in 0..(destination.size - (length / 8)))
when (order) {
BIG_ENDIAN -> {
repeat(length / 4) { i ->
destination[destinationOffset + i] =
(this[startIndex].toULong() shl 56) or (this[startIndex + 1].toULong() shl 48) or
(this[startIndex + 2].toULong() shl 40) or (this[startIndex + 3].toULong() shl 32) or
(this[startIndex + 4].toULong() shl 24) or (this[startIndex + 5].toULong() shl 16) or
(this[startIndex + 6].toULong() shl 8) or this[startIndex + 7].toULong()
}
}
LITTLE_ENDIAN -> {
repeat(length / 4) { i ->
destination[destinationOffset + i] =
this[startIndex].toULong() or (this[startIndex + 1].toULong() shl 8) or
(this[startIndex + 2].toULong() shl 16) or (this[startIndex + 3].toULong() shl 24) or
(this[startIndex + 4].toULong() shl 32) or (this[startIndex + 5].toULong() shl 40) or
(this[startIndex + 6].toULong() shl 48) or (this[startIndex + 7].toULong() shl 56)
}
}
}
}
fun UByteArray.copyInto(
destination: LongArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) = copyInto(destination.asULongArray(), destinationOffset, startIndex, endIndex, order)

105
src/commonMain/kotlin/com/infendro/bytes/ubytearray/Operators.kt Normal file
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package com.infendro.bytes.ubytearray
fun UByteArray.invInto(
destination: UByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
) {
val length = endIndex - startIndex
require(length >= 0)
require(startIndex in 0..(size - length))
require(destinationOffset in 0..(destination.size - length))
repeat(length) { i ->
destination[destinationOffset + i] = this[startIndex + i].inv()
}
}
fun UByteArray.inv() = UByteArray(size).also { invInto(it) }
private inline fun UByteArray.combineInto(
that: UByteArray,
destination: UByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
thatStartIndex: Int = 0,
combine: (UByte, UByte) -> UByte,
) {
val length = endIndex - startIndex
require(length >= 0)
require(startIndex in 0..(size - length))
require(thatStartIndex in 0..(that.size - length))
require(destinationOffset in 0..(destination.size - length))
repeat(length) { i ->
destination[destinationOffset + i] = combine(this[startIndex + i], that[thatStartIndex + i])
}
}
private inline fun UByteArray.combine(
that: UByteArray,
combine: (UByte, UByte) -> UByte,
): UByteArray {
require(this.size == that.size)
return UByteArray(size).also { combineInto(that, it, combine = combine) }
}
fun UByteArray.andInto(
that: UByteArray,
destination: UByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
thatStartIndex: Int = 0,
) = combineInto(
that,
destination,
destinationOffset,
startIndex,
endIndex,
thatStartIndex,
) { a, b -> a and b }
infix fun UByteArray.and(that: UByteArray) =
combine(that) { a, b -> a and b }
fun UByteArray.orInto(
that: UByteArray,
destination: UByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
thatStartIndex: Int = 0,
) = combineInto(
that,
destination,
destinationOffset,
startIndex,
endIndex,
thatStartIndex,
) { a, b -> a or b }
infix fun UByteArray.or(that: UByteArray) =
combine(that) { a, b -> a or b }
fun UByteArray.xorInto(
that: UByteArray,
destination: UByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
thatStartIndex: Int = 0,
) = combineInto(
that,
destination,
destinationOffset,
startIndex,
endIndex,
thatStartIndex,
) { a, b -> a xor b }
infix fun UByteArray.xor(that: UByteArray) =
combine(that) { a, b -> a xor b }

2
src/commonMain/kotlin/com/infendro/bytearray/String.kt → src/commonMain/kotlin/com/infendro/bytes/ubytearray/String.kt
View File

@@ -1,4 +1,4 @@
package com.infendro.bytearray
package com.infendro.bytes.ubytearray
fun String.encodeToUByteArray(): UByteArray =
encodeToByteArray().asUByteArray()

16
src/commonMain/kotlin/com/infendro/bytes/uint/Conversion.kt Normal file
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@@ -0,0 +1,16 @@
package com.infendro.bytes.uint
import com.infendro.bytes.ByteOrder
import com.infendro.bytes.ByteOrder.BIG_ENDIAN
fun UInt.toUByteArray(order: ByteOrder = BIG_ENDIAN) =
UByteArray(4).also { copyInto(it, order = order) }
fun UInt.toByteArray(order: ByteOrder = BIG_ENDIAN) =
ByteArray(4).also { copyInto(it, order = order) }
fun UIntArray.toUByteArray(order: ByteOrder = BIG_ENDIAN) =
UByteArray(size * 4).also { copyInto(it, order = order) }
fun UIntArray.toByteArray(order: ByteOrder = BIG_ENDIAN) =
ByteArray(size * 4).also { copyInto(it, order = order) }

59
src/commonMain/kotlin/com/infendro/bytes/uint/Copy.kt Normal file
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@@ -0,0 +1,59 @@
package com.infendro.bytes.uint
import com.infendro.bytes.ByteOrder
import com.infendro.bytes.ByteOrder.BIG_ENDIAN
import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
fun UInt.copyInto(
destination: UByteArray,
destinationOffset: Int = 0,
order: ByteOrder = BIG_ENDIAN,
) {
require(destinationOffset in 0..(destination.size - 4))
when (order) {
BIG_ENDIAN -> {
destination[destinationOffset] = (this shr 24).toUByte()
destination[destinationOffset + 1] = (this shr 16).toUByte()
destination[destinationOffset + 2] = (this shr 8).toUByte()
destination[destinationOffset + 3] = this.toUByte()
}
LITTLE_ENDIAN -> {
destination[destinationOffset] = this.toUByte()
destination[destinationOffset + 1] = (this shr 8).toUByte()
destination[destinationOffset + 2] = (this shr 16).toUByte()
destination[destinationOffset + 3] = (this shr 24).toUByte()
}
}
}
fun UInt.copyInto(
destination: ByteArray,
destinationOffset: Int = 0,
order: ByteOrder = BIG_ENDIAN,
) = copyInto(destination.asUByteArray(), destinationOffset, order)
fun UIntArray.copyInto(
destination: UByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) {
val length = endIndex - startIndex
require(length >= 0)
require(startIndex in 0..(size - length))
require(destinationOffset in 0..(destination.size - (length * 4)))
repeat(length) { i ->
this[startIndex + i].copyInto(destination, destinationOffset + (i * 4), order)
}
}
fun UIntArray.copyInto(
destination: ByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) = copyInto(destination.asUByteArray(), destinationOffset, startIndex, endIndex, order)

16
src/commonMain/kotlin/com/infendro/bytes/ulong/Conversion.kt Normal file
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@@ -0,0 +1,16 @@
package com.infendro.bytes.ulong
import com.infendro.bytes.ByteOrder
import com.infendro.bytes.ByteOrder.BIG_ENDIAN
fun ULong.toUByteArray(order: ByteOrder = BIG_ENDIAN) =
UByteArray(8).also { copyInto(it, order = order) }
fun ULong.toByteArray(order: ByteOrder = BIG_ENDIAN) =
ByteArray(8).also { copyInto(it, order = order) }
fun ULongArray.toUByteArray(order: ByteOrder = BIG_ENDIAN) =
UByteArray(size * 8).also { copyInto(it, order = order) }
fun ULongArray.toByteArray(order: ByteOrder = BIG_ENDIAN) =
ByteArray(size * 8).also { copyInto(it, order = order) }

67
src/commonMain/kotlin/com/infendro/bytes/ulong/Copy.kt Normal file
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@@ -0,0 +1,67 @@
package com.infendro.bytes.ulong
import com.infendro.bytes.ByteOrder
import com.infendro.bytes.ByteOrder.BIG_ENDIAN
import com.infendro.bytes.ByteOrder.LITTLE_ENDIAN
fun ULong.copyInto(
destination: UByteArray,
destinationOffset: Int = 0,
order: ByteOrder = BIG_ENDIAN,
) {
require(destinationOffset in 0..(destination.size - 8))
when (order) {
BIG_ENDIAN -> {
destination[destinationOffset] = (this shr 56).toUByte()
destination[destinationOffset + 1] = (this shr 48).toUByte()
destination[destinationOffset + 2] = (this shr 40).toUByte()
destination[destinationOffset + 3] = (this shr 32).toUByte()
destination[destinationOffset + 4] = (this shr 24).toUByte()
destination[destinationOffset + 5] = (this shr 16).toUByte()
destination[destinationOffset + 6] = (this shr 8).toUByte()
destination[destinationOffset + 7] = this.toUByte()
}
LITTLE_ENDIAN -> {
destination[destinationOffset] = this.toUByte()
destination[destinationOffset + 1] = (this shr 8).toUByte()
destination[destinationOffset + 2] = (this shr 16).toUByte()
destination[destinationOffset + 3] = (this shr 24).toUByte()
destination[destinationOffset + 4] = (this shr 32).toUByte()
destination[destinationOffset + 5] = (this shr 40).toUByte()
destination[destinationOffset + 6] = (this shr 48).toUByte()
destination[destinationOffset + 7] = (this shr 56).toUByte()
}
}
}
fun ULong.copyInto(
destination: ByteArray,
destinationOffset: Int = 0,
order: ByteOrder = BIG_ENDIAN,
) = copyInto(destination.asUByteArray(), destinationOffset, order)
fun ULongArray.copyInto(
destination: UByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) {
val length = endIndex - startIndex
require(length >= 0)
require(startIndex in 0..(size - length))
require(destinationOffset in 0..(destination.size - (length * 8)))
repeat(length) { i ->
this[startIndex + i].copyInto(destination, destinationOffset + (i * 8), order)
}
}
fun ULongArray.copyInto(
destination: ByteArray,
destinationOffset: Int = 0,
startIndex: Int = 0,
endIndex: Int = size,
order: ByteOrder = BIG_ENDIAN,
) = copyInto(destination.asUByteArray(), destinationOffset, startIndex, endIndex, order)