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// This file was automatically generated from formats.md by Knit tool. Do not edit.
package example.exampleFormats16
import kotlinx.serialization.*
import kotlinx.serialization.Serializable
import kotlinx.serialization.descriptors.*
import kotlinx.serialization.modules.*
import kotlinx.serialization.encoding.*
import java.io.*
private val byteArraySerializer = serializer<ByteArray>()
class DataOutputEncoder(val output: DataOutput) : AbstractEncoder() {
override val serializersModule: SerializersModule = EmptySerializersModule
override fun encodeBoolean(value: Boolean) = output.writeByte(if (value) 1 else 0)
override fun encodeByte(value: Byte) = output.writeByte(value.toInt())
override fun encodeShort(value: Short) = output.writeShort(value.toInt())
override fun encodeInt(value: Int) = output.writeInt(value)
override fun encodeLong(value: Long) = output.writeLong(value)
override fun encodeFloat(value: Float) = output.writeFloat(value)
override fun encodeDouble(value: Double) = output.writeDouble(value)
override fun encodeChar(value: Char) = output.writeChar(value.code)
override fun encodeString(value: String) = output.writeUTF(value)
override fun encodeEnum(enumDescriptor: SerialDescriptor, index: Int) = output.writeInt(index)
override fun beginCollection(descriptor: SerialDescriptor, collectionSize: Int): CompositeEncoder {
encodeInt(collectionSize)
return this
}
override fun encodeNull() = encodeBoolean(false)
override fun encodeNotNullMark() = encodeBoolean(true)
override fun <T> encodeSerializableValue(serializer: SerializationStrategy<T>, value: T) {
if (serializer.descriptor == byteArraySerializer.descriptor)
encodeByteArray(value as ByteArray)
else
super.encodeSerializableValue(serializer, value)
}
private fun encodeByteArray(bytes: ByteArray) {
encodeCompactSize(bytes.size)
output.write(bytes)
}
private fun encodeCompactSize(value: Int) {
if (value < 0xff) {
output.writeByte(value)
} else {
output.writeByte(0xff)
output.writeInt(value)
}
}
}
fun <T> encodeTo(output: DataOutput, serializer: SerializationStrategy<T>, value: T) {
val encoder = DataOutputEncoder(output)
encoder.encodeSerializableValue(serializer, value)
}
inline fun <reified T> encodeTo(output: DataOutput, value: T) = encodeTo(output, serializer(), value)
class DataInputDecoder(val input: DataInput, var elementsCount: Int = 0) : AbstractDecoder() {
private var elementIndex = 0
override val serializersModule: SerializersModule = EmptySerializersModule
override fun decodeBoolean(): Boolean = input.readByte().toInt() != 0
override fun decodeByte(): Byte = input.readByte()
override fun decodeShort(): Short = input.readShort()
override fun decodeInt(): Int = input.readInt()
override fun decodeLong(): Long = input.readLong()
override fun decodeFloat(): Float = input.readFloat()
override fun decodeDouble(): Double = input.readDouble()
override fun decodeChar(): Char = input.readChar()
override fun decodeString(): String = input.readUTF()
override fun decodeEnum(enumDescriptor: SerialDescriptor): Int = input.readInt()
override fun decodeElementIndex(descriptor: SerialDescriptor): Int {
if (elementIndex == elementsCount) return CompositeDecoder.DECODE_DONE
return elementIndex++
}
override fun beginStructure(descriptor: SerialDescriptor): CompositeDecoder =
DataInputDecoder(input, descriptor.elementsCount)
override fun decodeSequentially(): Boolean = true
override fun decodeCollectionSize(descriptor: SerialDescriptor): Int =
decodeInt().also { elementsCount = it }
override fun decodeNotNullMark(): Boolean = decodeBoolean()
@Suppress("UNCHECKED_CAST")
override fun <T> decodeSerializableValue(deserializer: DeserializationStrategy<T>, previousValue: T?): T =
if (deserializer.descriptor == byteArraySerializer.descriptor)
decodeByteArray() as T
else
super.decodeSerializableValue(deserializer, previousValue)
private fun decodeByteArray(): ByteArray {
val bytes = ByteArray(decodeCompactSize())
input.readFully(bytes)
return bytes
}
private fun decodeCompactSize(): Int {
val byte = input.readByte().toInt() and 0xff
if (byte < 0xff) return byte
return input.readInt()
}
}
fun <T> decodeFrom(input: DataInput, deserializer: DeserializationStrategy<T>): T {
val decoder = DataInputDecoder(input)
return decoder.decodeSerializableValue(deserializer)
}
inline fun <reified T> decodeFrom(input: DataInput): T = decodeFrom(input, serializer())
fun ByteArray.toAsciiHexString() = joinToString("") {
if (it in 32..127) it.toInt().toChar().toString() else
"{${it.toUByte().toString(16).padStart(2, '0').uppercase()}}"
}
@Serializable
data class Project(val name: String, val attachment: ByteArray)
fun main() {
val data = Project("kotlinx.serialization", byteArrayOf(0x0A, 0x0B, 0x0C, 0x0D))
val output = ByteArrayOutputStream()
encodeTo(DataOutputStream(output), data)
val bytes = output.toByteArray()
println(bytes.toAsciiHexString())
val input = ByteArrayInputStream(bytes)
val obj = decodeFrom<Project>(DataInputStream(input))
println(obj)
}
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