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package at.hannibal2.skyhanni.utils
import java.lang.reflect.Constructor
import java.lang.reflect.Field
import java.lang.reflect.Modifier
import kotlin.properties.ReadWriteProperty
import kotlin.reflect.KMutableProperty1
import kotlin.reflect.KProperty
import kotlin.reflect.KProperty0
import kotlin.reflect.KProperty1
import kotlin.reflect.full.isSubtypeOf
import kotlin.reflect.full.memberProperties
import kotlin.reflect.full.starProjectedType
import kotlin.reflect.jvm.isAccessible
object ReflectionUtils {
// TODO nea?
// fun <T> dynamic(block: () -> KMutableProperty0<T>?): ReadWriteProperty<Any?, T?> {
// return object : ReadWriteProperty<Any?, T?> {
// override fun getValue(thisRef: Any?, property: KProperty<*>): T? {
// return block()?.get()
// }
//
// override fun setValue(thisRef: Any?, property: KProperty<*>, value: T?) {
// if (value != null)
// block()?.set(value)
// }
// }
// }
fun <T, R> dynamic(root: KProperty0<R?>, child: KMutableProperty1<R, T>) =
object : ReadWriteProperty<Any?, T?> {
override fun getValue(thisRef: Any?, property: KProperty<*>): T? {
val rootObj = root.get() ?: return null
return child.get(rootObj)
}
override fun setValue(thisRef: Any?, property: KProperty<*>, value: T?) {
if (value == null) return
val rootObj = root.get() ?: return
child.set(rootObj, value)
}
}
inline fun <reified T : Any> Any.getPropertiesWithType() =
this::class.memberProperties
.filter { it.returnType.isSubtypeOf(T::class.starProjectedType) }
.map {
it.isAccessible = true
(it as KProperty1<Any, T>).get(this)
}
fun Field.makeAccessible() = also { isAccessible = true }
fun <T> Constructor<T>.makeAccessible() = also { isAccessible = true }
fun Field.removeFinal(): Field {
javaClass.getDeclaredField("modifiers").makeAccessible().set(this, modifiers and (Modifier.FINAL.inv()))
return this
}
fun StackTraceElement.getClassInstance(): Class<*> {
return Class.forName(this.className)
}
fun Class<*>.getDeclaredFieldOrNull(name: String): Field? = declaredFields.firstOrNull { it.name == name }
}
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