1 // This file was automatically generated from formats.md by Knit tool. Do not edit.
2 package example.exampleFormats13
3
4 import kotlinx.serialization.*
5 import kotlinx.serialization.descriptors.*
6 import kotlinx.serialization.encoding.*
7 import kotlinx.serialization.modules.*
8
9 class ListEncoder : AbstractEncoder() {
10 val list = mutableListOf<Any>()
11
12 override val serializersModule: SerializersModule = EmptySerializersModule()
13
encodeValuenull14 override fun encodeValue(value: Any) {
15 list.add(value)
16 }
17
beginCollectionnull18 override fun beginCollection(descriptor: SerialDescriptor, collectionSize: Int): CompositeEncoder {
19 encodeInt(collectionSize)
20 return this
21 }
22 }
23
encodeToListnull24 fun <T> encodeToList(serializer: SerializationStrategy<T>, value: T): List<Any> {
25 val encoder = ListEncoder()
26 encoder.encodeSerializableValue(serializer, value)
27 return encoder.list
28 }
29
encodeToListnull30 inline fun <reified T> encodeToList(value: T) = encodeToList(serializer(), value)
31
32 class ListDecoder(val list: ArrayDeque<Any>, var elementsCount: Int = 0) : AbstractDecoder() {
33 private var elementIndex = 0
34
35 override val serializersModule: SerializersModule = EmptySerializersModule()
36
37 override fun decodeValue(): Any = list.removeFirst()
38
39 override fun decodeElementIndex(descriptor: SerialDescriptor): Int {
40 if (elementIndex == elementsCount) return CompositeDecoder.DECODE_DONE
41 return elementIndex++
42 }
43
44 override fun beginStructure(descriptor: SerialDescriptor): CompositeDecoder =
45 ListDecoder(list, descriptor.elementsCount)
46
47 override fun decodeSequentially(): Boolean = true
48
49 override fun decodeCollectionSize(descriptor: SerialDescriptor): Int =
50 decodeInt().also { elementsCount = it }
51 }
52
decodeFromListnull53 fun <T> decodeFromList(list: List<Any>, deserializer: DeserializationStrategy<T>): T {
54 val decoder = ListDecoder(ArrayDeque(list))
55 return decoder.decodeSerializableValue(deserializer)
56 }
57
decodeFromListnull58 inline fun <reified T> decodeFromList(list: List<Any>): T = decodeFromList(list, serializer())
59
60 @Serializable
61 data class Project(val name: String, val owners: List<User>, val votes: Int)
62
63 @Serializable
64 data class User(val name: String)
65
66 fun main() {
67 val data = Project("kotlinx.serialization", listOf(User("kotlin"), User("jetbrains")), 9000)
68 val list = encodeToList(data)
69 println(list)
70 val obj = decodeFromList<Project>(list)
71 println(obj)
72 }
73