Hephaistos kotlinx.serialization

NBT.kt

object NBT {
    @OptIn(ExperimentalSerializationApi::class)
    val json = Json {
        isLenient = true
        ignoreUnknownKeys = true
        coerceInputValues = true
        explicitNulls = false
    }

    @Internal
    fun decode(reader: NBTReader) = json.parseToJsonElement(reader.read().toSNBT())

    @Internal
    fun encode(element: JsonElement) = SNBTParser(element.toString().reader()).parse()


    /**
     * **Note** It is caller's responsibility to close the [reader]
     */
    inline fun <reified T> read(reader: NBTReader): T = json.decodeFromJsonElement(decode(reader))

    /**
     * **Note** It is caller's responsibility to close the [writer]
     */
    inline fun <reified T> write(value: T, writer: NBTWriter, name: String = "") = writer.writeNamed(name, encode(json.encodeToJsonElement(value)))

    /**
     * A helper function that automatically closes the [writer].
     */
    inline fun <reified T> useWrite(writer: NBTWriter, value: T, name: String = "") = writer.use { write(value, it, name) }

    /**
     * A helper function that automatically closes the [reader].
     */
    inline fun <reified T> useRead(reader: NBTReader): T = reader.use { read(it) }
}

inline fun <reified T> NBTWriter.write(value: T) = NBT.useWrite(this, value)