Mikhael Bogdanov
42 lines
1.5 KiB
Kotlin
Vendored
42 lines
1.5 KiB
Kotlin
Vendored
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// WITH_STDLIB
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@file:Suppress("NOTHING_TO_INLINE")
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package test
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import kotlin.properties.ReadWriteProperty
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import kotlin.reflect.KProperty
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inline fun charSequence(key: String? = null) = object : BundleProperty<CharSequence>(key) {
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override fun getValue(bundle: Any, key: String): CharSequence? = TODO()
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override fun setValue(bundle: Any, key: String, value: CharSequence) {}
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}
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abstract class NullableBundleProperty<EE>(private val key: String?) : ReadWriteProperty<Any, EE?> {
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private inline fun KProperty<*>.toKey(): String {
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return toString()
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}
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override fun getValue(thisRef: Any, property: KProperty<*>): EE? = getValue(thisRef, key ?: property.toKey())
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override fun setValue(thisRef: Any, property: KProperty<*>, value: EE?) {
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setNullableValue(thisRef, key ?: property.toKey(), value)
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}
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abstract fun getValue(bundle: Any, key: String): EE?
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abstract fun setNullableValue(bundle: Any, key: String, value: EE?)
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}
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abstract class BundleProperty<AA>(key: String?) : NullableBundleProperty<AA>(key) {
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final override fun setValue(thisRef: Any, property: KProperty<*>, value: AA?) {
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super.setValue(thisRef, property, value)
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}
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final override fun getValue(thisRef: Any, property: KProperty<*>): AA = super.getValue(thisRef, property)!!
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final override fun setNullableValue(bundle: Any, key: String, value: AA?) {
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setValue(bundle, key, value!!)
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}
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abstract fun setValue(bundle: Any, key: String, value: AA)
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}
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