1 files changed, 77 insertions, 0 deletions
diff --git a/runtime/commonMain/src/kotlinx/serialization/modules/StandardSubtypesOfAny.kt b/runtime/commonMain/src/kotlinx/serialization/modules/StandardSubtypesOfAny.kt
new file mode 100644
index 00000000..d9b69b9f
--- /dev/null
+++ b/runtime/commonMain/src/kotlinx/serialization/modules/StandardSubtypesOfAny.kt
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2017-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
+ */
+
+package kotlinx.serialization.modules
+
+import kotlinx.serialization.*
+import kotlinx.serialization.internal.*
+import kotlin.reflect.KClass
+
+internal object StandardSubtypesOfAny {
+    private val map: Map<KClass<*>, KSerializer<*>> = mapOf(
+        List::class to ArrayListSerializer(
+            makeNullable(
+                PolymorphicSerializer(Any::class)
+            )
+        ),
+        LinkedHashSet::class to LinkedHashSetSerializer(
+            makeNullable(
+                PolymorphicSerializer(Any::class)
+            )
+        ),
+        HashSet::class to HashSetSerializer(
+            makeNullable(
+                PolymorphicSerializer(Any::class)
+            )
+        ),
+        Set::class to LinkedHashSetSerializer(
+            makeNullable(
+                PolymorphicSerializer(Any::class)
+            )
+        ),
+        LinkedHashMap::class to LinkedHashMapSerializer(
+            makeNullable(
+                PolymorphicSerializer(Any::class)
+            ), makeNullable(PolymorphicSerializer(Any::class))
+        ),
+        HashMap::class to HashMapSerializer(
+            makeNullable(
+                PolymorphicSerializer(Any::class)
+            ), makeNullable(PolymorphicSerializer(Any::class))
+        ),
+        Map::class to LinkedHashMapSerializer(
+            makeNullable(
+                PolymorphicSerializer(Any::class)
+            ), makeNullable(PolymorphicSerializer(Any::class))
+        ),
+        Map.Entry::class to MapEntrySerializer(
+            makeNullable(
+                PolymorphicSerializer(Any::class)
+            ), makeNullable(PolymorphicSerializer(Any::class))
+        ),
+        String::class to StringSerializer,
+        Char::class to CharSerializer,
+        Double::class to DoubleSerializer,
+        Float::class to FloatSerializer,
+        Long::class to LongSerializer,
+        Int::class to IntSerializer,
+        Short::class to ShortSerializer,
+        Byte::class to ByteSerializer,
+        Boolean::class to BooleanSerializer,
+        Unit::class to UnitSerializer
+    )
+
+    private val deserializingMap: Map<String, KSerializer<*>> = map.mapKeys { (_, s) -> s.descriptor.name }
+
+    @Suppress("UNCHECKED_CAST")
+    internal fun getSubclassSerializer(objectToCheck: Any): KSerializer<*>? {
+        for ((k, v) in map) {
+            if (objectToCheck.isInstanceOf(k)) return v
+        }
+        return null
+    }
+
+    internal fun getDefaultDeserializer(serializedClassName: String): KSerializer<*>? =
+        deserializingMap[serializedClassName]
+}