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Improve MessageChainBuilder

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This commit is contained in:
Karlatemp 2021-01-14 23:10:43 +08:00
parent 1e55d15047
commit a992b61261
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GPG Key ID: 21FBDDF664FF06F8
1 changed files with 7 additions and 9 deletions
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16
mirai-core-api/src/commonMain/kotlin/message/data/MessageChainBuilder.kt
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@ -170,20 +170,18 @@ public class MessageChainBuilder private constructor(
/////// ///////
// IMPLEMENTATION // IMPLEMENTATION
private var cache: StringBuilder? = null private val cache: StringBuilder = StringBuilder()
private fun flushCache() { private fun flushCache() {
cache?.let { if (cache.isNotEmpty()) {
container.add(PlainText(it.toString())) container.add(PlainText(cache.toString()))
cache.setLength(0)
} }
cache = null
} }
private inline fun withCache(block: StringBuilder.() -> Unit): MessageChainBuilder { private inline fun withCache(block: StringBuilder.() -> Unit): MessageChainBuilder {
if (cache == null) { contract { callsInPlace(block, EXACTLY_ONCE) }
cache = StringBuilder().apply(block)
} else { cache.apply(block)
cache!!.apply(block)
}
return this return this
} }