forked from kscience/visionforge
WIP root unref
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5d2c853cbe
commit
1b2d61008f
@ -1,15 +1,9 @@
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package ru.mipt.npm.root
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import kotlinx.serialization.*
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import kotlinx.serialization.descriptors.SerialDescriptor
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import kotlinx.serialization.encoding.Decoder
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import kotlinx.serialization.encoding.Encoder
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import kotlinx.serialization.json.Json
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import kotlinx.serialization.json.JsonDecoder
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import kotlinx.serialization.json.JsonObject
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import kotlinx.serialization.modules.SerializersModule
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import kotlinx.serialization.modules.polymorphic
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import kotlinx.serialization.modules.subclass
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import kotlinx.serialization.SerialName
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import kotlinx.serialization.Serializable
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import kotlinx.serialization.json.JsonElement
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import kotlinx.serialization.json.decodeFromJsonElement
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@Serializable
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@SerialName("TGeoManager")
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@ -26,113 +20,10 @@ public class TGeoManager : TNamed() {
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/**
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* Load Json encoded TGeoManager
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*/
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public fun decodeFromJson(jsonObject: JsonObject): TGeoManager = TODO()
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public fun decodeFromJson(jsonElement: JsonElement): TGeoManager =
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rootJson().decodeFromJsonElement(jsonElement)
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public fun decodeFromString(string: String): TGeoManager =
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Root().decodeFromString(serializer(), string)
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rootJson().decodeFromString(serializer(), string)
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}
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}
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@OptIn(ExperimentalSerializationApi::class)
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private class RootJsonSerializer<T>(private val tSerializer: KSerializer<T>) : KSerializer<T> {
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private val refCache: HashMap<UInt, TObject> = HashMap()
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override val descriptor: SerialDescriptor get() = tSerializer.descriptor
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override fun deserialize(decoder: Decoder): T {
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val input = decoder as JsonDecoder
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val element = input.decodeJsonElement()
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return input.json.decodeFromJsonElement(tSerializer, transformDeserialize(element))
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}
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override fun serialize(encoder: Encoder, value: T) {
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tSerializer.serialize(encoder, value)
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}
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override fun <T> decodeFromString(deserializer: DeserializationStrategy<T>, string: String): T {
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val match = refRegex.matchEntire(string)
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return if (match != null) {
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//Do unref
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val ref = match.value.toUIntOrNull() ?: error("Ref value is not a number")
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val refValue = refCache[ref] ?: error("Reference $ref unresolved")
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refValue as T //TODO research means to make it safe
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} else {
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val res = rootJson.decodeFromString(deserializer, string)
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val uid = (res as? TObject)?.fUniqueID
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if (uid != null && refCache[uid] == null) {
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refCache[uid] = res
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}
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res
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}
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}
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override fun <T> encodeToString(serializer: SerializationStrategy<T>, value: T): String =
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rootJson.encodeToString(serializer, value)
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companion object {
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val refRegex = """\{\s*"${"\\$"}ref"\s*:\s*(\d*)}""".toRegex()
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val rootSerializersModule = SerializersModule {
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polymorphic(TGeoShape::class) {
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subclass(TGeoBBox.serializer())
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subclass(TGeoCompositeShape.serializer())
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subclass(TGeoXtru.serializer())
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subclass(TGeoTube.serializer())
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subclass(TGeoTubeSeg.serializer())
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subclass(TGeoShapeAssembly.serializer())
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}
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polymorphic(TGeoMatrix::class) {
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subclass(TGeoIdentity.serializer())
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subclass(TGeoHMatrix.serializer())
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subclass(TGeoTranslation.serializer())
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subclass(TGeoRotation.serializer())
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subclass(TGeoCombiTrans.serializer())
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}
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polymorphic(TObject::class) {
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subclass(TGeoBBox.serializer())
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subclass(TGeoCompositeShape.serializer())
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subclass(TGeoXtru.serializer())
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subclass(TGeoTube.serializer())
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subclass(TGeoTubeSeg.serializer())
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subclass(TGeoShapeAssembly.serializer())
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subclass(TGeoIdentity.serializer())
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subclass(TGeoHMatrix.serializer())
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subclass(TGeoTranslation.serializer())
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subclass(TGeoRotation.serializer())
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subclass(TGeoCombiTrans.serializer())
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subclass(TGeoMaterial.serializer())
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subclass(TGeoMixture.serializer())
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subclass(TGeoMedium.serializer())
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subclass(TGeoNode.serializer())
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subclass(TGeoNodeMatrix.serializer())
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subclass(TGeoVolume.serializer())
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subclass(TGeoVolumeAssembly.serializer())
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}
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polymorphic(TGeoNode::class, TGeoNode.serializer()) {
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subclass(TGeoNodeMatrix.serializer())
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}
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polymorphic(TGeoVolume::class, TGeoVolume.serializer()) {
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subclass(TGeoVolumeAssembly.serializer())
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}
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}
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val rootJson: Json = Json {
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encodeDefaults = true
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ignoreUnknownKeys = true
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classDiscriminator = "_typename"
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serializersModule = rootSerializersModule
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}
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}
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}
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@ -0,0 +1,107 @@
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package ru.mipt.npm.root
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import kotlinx.serialization.KSerializer
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import kotlinx.serialization.descriptors.SerialDescriptor
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import kotlinx.serialization.encoding.Decoder
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import kotlinx.serialization.encoding.Encoder
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import kotlinx.serialization.json.*
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import kotlinx.serialization.modules.PolymorphicModuleBuilder
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import kotlinx.serialization.modules.SerializersModule
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import kotlinx.serialization.modules.polymorphic
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import kotlinx.serialization.modules.subclass
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private typealias RefCache = MutableList<TObject>
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private class RootJsonSerializer<T : TObject>(
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private val refCache: RefCache,
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private val tSerializer: KSerializer<T>
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) : KSerializer<T> {
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override val descriptor: SerialDescriptor get() = tSerializer.descriptor
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override fun deserialize(decoder: Decoder): T {
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val input = decoder as JsonDecoder
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val element = input.decodeJsonElement()
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val refId = (element as? JsonObject)?.get("\$ref")?.jsonPrimitive?.int
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return if (refId != null) {
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//Do unref
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val refValue = refCache[refId]
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refValue as T //TODO research means to make it safe
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} else {
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val res = input.json.decodeFromJsonElement(tSerializer, element)
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//val uid = res.fUniqueID
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refCache.add(res)
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res
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}
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}
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override fun serialize(encoder: Encoder, value: T) {
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tSerializer.serialize(encoder, value)
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}
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}
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private fun <T : TObject> KSerializer<T>.unref(refCache: RefCache): RootJsonSerializer<T> =
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RootJsonSerializer(refCache, this)
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private fun PolymorphicModuleBuilder<TGeoShape>.shapes(refCache: RefCache) {
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subclass(TGeoBBox.serializer().unref(refCache))
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subclass(TGeoCompositeShape.serializer().unref(refCache))
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subclass(TGeoXtru.serializer().unref(refCache))
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subclass(TGeoTube.serializer().unref(refCache))
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subclass(TGeoTubeSeg.serializer().unref(refCache))
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subclass(TGeoShapeAssembly.serializer().unref(refCache))
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}
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private fun PolymorphicModuleBuilder<TGeoMatrix>.matrices(refCache: RefCache) {
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subclass(TGeoIdentity.serializer().unref(refCache))
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subclass(TGeoHMatrix.serializer().unref(refCache))
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subclass(TGeoTranslation.serializer().unref(refCache))
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subclass(TGeoRotation.serializer().unref(refCache))
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subclass(TGeoCombiTrans.serializer().unref(refCache))
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}
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/**
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* Create an instance of Json with unfolding Root references. This instance could not be reused because of the cache.
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*/
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internal fun rootJson(): Json {
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val refCache = ArrayList<TObject>(4096)
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return Json {
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encodeDefaults = true
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ignoreUnknownKeys = true
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classDiscriminator = "_typename"
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serializersModule = SerializersModule {
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polymorphic(TGeoShape::class) {
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default { TGeoBBox.serializer().unref(refCache) }
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shapes(refCache)
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}
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polymorphic(TGeoMatrix::class) {
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matrices(refCache)
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}
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polymorphic(TObject::class) {
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shapes(refCache)
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matrices(refCache)
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subclass(TGeoMaterial.serializer().unref(refCache))
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subclass(TGeoMixture.serializer().unref(refCache))
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subclass(TGeoMedium.serializer().unref(refCache))
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subclass(TGeoNode.serializer().unref(refCache))
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subclass(TGeoNodeMatrix.serializer().unref(refCache))
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subclass(TGeoVolume.serializer().unref(refCache))
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subclass(TGeoVolumeAssembly.serializer().unref(refCache))
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}
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polymorphic(TGeoNode::class, TGeoNode.serializer().unref(refCache)) {
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subclass(TGeoNodeMatrix.serializer().unref(refCache))
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}
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polymorphic(TGeoVolume::class, TGeoVolume.serializer().unref(refCache)) {
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subclass(TGeoVolumeAssembly.serializer().unref(refCache))
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}
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}
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}
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}
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