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package kotlinx.serialization.internal
import kotlinx.serialization.*
sealed class ListLikeDescriptor(val elementDesc: SerialDescriptor) : SerialDescriptor {
override val kind: SerialKind get() = StructureKind.LIST
override val elementsCount: Int = 1
override fun getElementName(index: Int): String = index.toString()
override fun getElementIndex(name: String): Int =
name.toIntOrNull() ?: throw IllegalArgumentException("$name is not a valid list index")
override fun getElementDescriptor(index: Int): SerialDescriptor = elementDesc
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (other !is ListLikeDescriptor) return false
if (elementDesc == other.elementDesc && name == other.name) return true
return false
}
override fun hashCode(): Int {
return elementDesc.hashCode() * 31 + name.hashCode()
}
}
sealed class MapLikeDescriptor(
override val name: String,
val keyDescriptor: SerialDescriptor,
val valueDescriptor: SerialDescriptor
) : SerialDescriptor {
override val kind: SerialKind get() = StructureKind.MAP
override val elementsCount: Int = 2
override fun getElementName(index: Int): String = index.toString()
override fun getElementIndex(name: String): Int =
name.toIntOrNull() ?: throw IllegalArgumentException("$name is not a valid map index")
override fun getElementDescriptor(index: Int): SerialDescriptor =
if (index % 2 == 0) keyDescriptor else valueDescriptor
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (other !is MapLikeDescriptor) return false
if (name != other.name) return false
if (keyDescriptor != other.keyDescriptor) return false
if (valueDescriptor != other.valueDescriptor) return false
return true
}
override fun hashCode(): Int {
var result = name.hashCode()
result = 31 * result + keyDescriptor.hashCode()
result = 31 * result + valueDescriptor.hashCode()
return result
}
}
internal const val ARRAY_NAME = "kotlin.Array"
internal const val ARRAY_LIST_NAME = "kotlin.collections.ArrayList"
internal const val LINKED_HASH_SET_NAME = "kotlin.collections.LinkedHashSet"
internal const val HASH_SET_NAME = "kotlin.collections.HashSet"
internal const val LINKED_HASH_MAP_NAME = "kotlin.collections.LinkedHashMap"
internal const val HASH_MAP_NAME = "kotlin.collections.HashMap"
class ArrayClassDesc(elementDesc: SerialDescriptor) : ListLikeDescriptor(elementDesc) {
override val name: String get() = ARRAY_NAME
}
class ArrayListClassDesc(elementDesc: SerialDescriptor) : ListLikeDescriptor(elementDesc) {
override val name: String get() = ARRAY_LIST_NAME
}
class NamedListClassDescriptor(override val name: String, elementDescriptor: SerialDescriptor)
: ListLikeDescriptor(elementDescriptor)
class LinkedHashSetClassDesc(elementDesc: SerialDescriptor) : ListLikeDescriptor(elementDesc) {
override val name: String get() = LINKED_HASH_SET_NAME
}
class HashSetClassDesc(elementDesc: SerialDescriptor) : ListLikeDescriptor(elementDesc) {
override val name: String get() = HASH_SET_NAME
}
// TODO revisit this whole hierarchy
class NamedMapClassDescriptor(name: String, keyDescriptor: SerialDescriptor, valueDescriptor: SerialDescriptor) :
MapLikeDescriptor(name, keyDescriptor, valueDescriptor)
class LinkedHashMapClassDesc(keyDesc: SerialDescriptor, valueDesc: SerialDescriptor) :
MapLikeDescriptor(LINKED_HASH_MAP_NAME, keyDesc, valueDesc)
class HashMapClassDesc(keyDesc: SerialDescriptor, valueDesc: SerialDescriptor) :
MapLikeDescriptor(HASH_MAP_NAME, keyDesc, valueDesc)
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