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Add actual Value accessors

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Him188 2020-05-26 13:30:12 +08:00
parent 34b585a6f7
commit 0359bcb89c
1 changed files with 22 additions and 3 deletions
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25
backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/setting/Setting.kt
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@ -7,7 +7,7 @@
* https://github.com/mamoe/mirai/blob/master/LICENSE
*/
@file:Suppress("NOTHING_TO_INLINE")
@file:Suppress("NOTHING_TO_INLINE", "unused")
package net.mamoe.mirai.console.setting
@ -17,6 +17,7 @@ import net.mamoe.mirai.console.setting.internal.serialNameOrPropertyName
import net.mamoe.mirai.utils.MiraiExperimentalAPI
import kotlin.properties.ReadWriteProperty
import kotlin.reflect.KProperty
import kotlin.reflect.KProperty0
import kotlin.reflect.full.findAnnotation
/**
@ -37,7 +38,8 @@ abstract class Setting : SettingImpl() {
data class PropertyInfo(
val serialName: String,
val annotations: List<Annotation>
val annotations: List<Annotation>,
val propertyOriginalName: String?
)
/**
@ -60,6 +62,23 @@ abstract class Setting : SettingImpl() {
return value
}
/**
* 获取这个属性的真实 [Value] 委托
*/
@get:JvmSynthetic
val <R : Any> KProperty0<R>.correspondingValue: Value<R>
@Suppress("UNCHECKED_CAST")
get() = findCorrespondingValue(this)
?: throw NoSuchElementException("No corresponding Value found for property $this")
/**
* 获取这个属性的真实 [Value] 委托
*/
fun <R : Any> findCorrespondingValue(property: KProperty0<R>): Value<R>? {
@Suppress("UNCHECKED_CAST")
return this@Setting.valueList.firstOrNull { it.second.propertyOriginalName == property.name }?.first as Value<R>?
}
/**
* 提供属性委托, 并添加这个对象的自动保存跟踪.
*/
@ -69,7 +88,7 @@ abstract class Setting : SettingImpl() {
property: KProperty<*>
): ReadWriteProperty<Setting, T> {
if (built) error("The Setting is already serialized so it's structure is immutable.")
valueList.add(this to PropertyInfo(property.serialNameOrPropertyName, property.annotations))
valueList.add(this to PropertyInfo(property.serialNameOrPropertyName, property.annotations, property.name))
return this
}