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/*
* Copyright 2017-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
@file:Suppress("RedundantVisibilityModifier")
package kotlinx.serialization.modules
import kotlinx.serialization.*
import kotlin.reflect.KClass
/**
* Returns a dependent serializer associated with a given reified type.
*/
public inline fun <reified T: Any> SerialModule.getContextual(): KSerializer<T>? = getContextual(T::class)
/**
* Returns a serializer associated with KClass of the given [value].
*/
@Suppress("UNCHECKED_CAST")
public fun <T: Any> SerialModule.getContextual(value: T): KSerializer<T>? {
val klass = value::class
return getContextual(klass) as? KSerializer<T>
}
@ImplicitReflectionSerializer
public fun <T: Any> SerialModule.getContextualOrDefault(klass: KClass<T>): KSerializer<T> = getContextual(klass) ?: klass.serializer()
@Suppress("UNCHECKED_CAST")
@ImplicitReflectionSerializer
public fun <T: Any> SerialModule.getContextualOrDefault(value: T): KSerializer<T> = getContextual(value) ?: value::class.serializer() as KSerializer<T>
/**
* Returns a combination of two serial modules
*
* If some serializer present in both modules, an [SerializerAlreadyRegisteredException] is thrown.
* To overwrite serializers, use [SerialModule.overwriteWith] function.
*/
public operator fun SerialModule.plus(other: SerialModule): SerialModule = SerializersModule {
include(this@plus)
include(other)
}
/**
* Returns a combination of two serial modules
*
* If some serializers present in both modules, result module
* will contain serializer from [other] module.
*/
public infix fun SerialModule.overwriteWith(other: SerialModule): SerialModule = SerializersModule {
include(this@overwriteWith)
other.dumpTo(object : SerialModuleCollector {
override fun <T : Any> contextual(kClass: KClass<T>, serializer: KSerializer<T>) {
impl.registerSerializer(kClass, serializer, allowOverwrite = true)
}
override fun <Base : Any, Sub : Base> polymorphic(
baseClass: KClass<Base>,
actualClass: KClass<Sub>,
actualSerializer: KSerializer<Sub>
) {
impl.registerPolymorphicSerializer(baseClass, actualClass, actualSerializer, allowOverwrite = true)
}
})
}
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