PersistentOrderedMapBuilderContentViews.kt
/*
* Copyright 2016-2019 JetBrains s.r.o.
* Use of this source code is governed by the Apache 2.0 License that can be found in the LICENSE.txt file.
*/
package androidx.compose.runtime.external.kotlinx.collections.immutable.implementations.persistentOrderedMap
import androidx.compose.runtime.external.kotlinx.collections.immutable.implementations.immutableMap.AbstractMapBuilderEntries
internal class PersistentOrderedMapBuilderEntries<K, V>(private val builder: PersistentOrderedMapBuilder<K, V>)
: AbstractMapBuilderEntries<MutableMap.MutableEntry<K, V>, K, V>() {
override fun add(element: MutableMap.MutableEntry<K, V>): Boolean {
throw UnsupportedOperationException()
}
override fun clear() {
builder.clear()
}
override fun iterator(): MutableIterator<MutableMap.MutableEntry<K, V>> {
return PersistentOrderedMapBuilderEntriesIterator(builder)
}
override fun removeEntry(element: Map.Entry<K, V>): Boolean {
return builder.remove(element.key, element.value)
}
override val size: Int
get() = builder.size
override fun containsEntry(element: Map.Entry<K, V>): Boolean {
return builder[element.key]?.let { candidate -> candidate == element.value }
?: (element.value == null && builder.containsKey(element.key))
}
}
internal class PersistentOrderedMapBuilderKeys<K, V>(private val builder: PersistentOrderedMapBuilder<K, V>) : MutableSet<K>, AbstractMutableSet<K>() {
override fun add(element: K): Boolean {
throw UnsupportedOperationException()
}
override fun clear() {
builder.clear()
}
override fun iterator(): MutableIterator<K> {
return PersistentOrderedMapBuilderKeysIterator(builder)
}
override fun remove(element: K): Boolean {
if (builder.containsKey(element)) {
builder.remove(element)
return true
}
return false
}
override val size: Int
get() = builder.size
override fun contains(element: K): Boolean {
return builder.containsKey(element)
}
}
internal class PersistentOrderedMapBuilderValues<K, V>(private val builder: PersistentOrderedMapBuilder<K, V>) : MutableCollection<V>, AbstractMutableCollection<V>() {
override val size: Int
get() = builder.size
override fun contains(element: V): Boolean {
return builder.containsValue(element)
}
override fun add(element: V): Boolean {
throw UnsupportedOperationException()
}
override fun clear() {
builder.clear()
}
override fun iterator(): MutableIterator<V> {
return PersistentOrderedMapBuilderValuesIterator(builder)
}
}