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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 * 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 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 net.mamoe.mirai.utils.MiraiExperimentalAPI
import kotlin.properties.ReadWriteProperty import kotlin.properties.ReadWriteProperty
import kotlin.reflect.KProperty import kotlin.reflect.KProperty
import kotlin.reflect.KProperty0
import kotlin.reflect.full.findAnnotation import kotlin.reflect.full.findAnnotation
/** /**
@ -37,7 +38,8 @@ abstract class Setting : SettingImpl() {
data class PropertyInfo( data class PropertyInfo(
val serialName: String, val serialName: String,
val annotations: List<Annotation> val annotations: List<Annotation>,
val propertyOriginalName: String?
) )
/** /**
@ -60,6 +62,23 @@ abstract class Setting : SettingImpl() {
return value 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. * 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<*> property: KProperty<*>
): ReadWriteProperty<Setting, T> { ): ReadWriteProperty<Setting, T> {
if (built) error("The Setting is already serialized so it's structure is immutable.") 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 return this
} }