Rearrange `MessageSubscribersBuilder`

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/event/internal/messageSubscribersInternal.kt

+/*
+ * Copyright 2020 Mamoe Technologies and contributors.
+ *
+ * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ * https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
+package net.mamoe.mirai.event.internal
+
+import net.mamoe.mirai.event.MessageDsl
+import net.mamoe.mirai.event.MessageListener
+import net.mamoe.mirai.event.MessageSubscribersBuilder
+import net.mamoe.mirai.message.ContactMessage
+
+
+/*
+ * 将 internal 移出 MessageSubscribersBuilder.kt 以减小其体积
+ */
+
+@MessageDsl
+internal fun <M : ContactMessage, Ret, R : RR, RR> MessageSubscribersBuilder<M, Ret, R, RR>.content(
+    filter: M.(String) -> Boolean,
+    onEvent: MessageListener<M, RR>
+): Ret =
+    subscriber(filter) { onEvent(this, it) }
+
+internal fun <M : ContactMessage, Ret, R : RR, RR> MessageSubscribersBuilder<M, Ret, R, RR>.endsWithImpl(
+    suffix: String,
+    removeSuffix: Boolean = true,
+    trim: Boolean = true,
+    onEvent: @MessageDsl suspend M.(String) -> R
+): Ret {
+    return if (trim) {
+        val toCheck = suffix.trim()
+        content({ it.trimEnd().endsWith(toCheck) }) {
+            if (removeSuffix) this.onEvent(this.message.contentToString().removeSuffix(toCheck).trim())
+            else onEvent(this, this.message.contentToString().trim())
+        }
+    } else {
+        content({ it.endsWith(suffix) }) {
+            if (removeSuffix) this.onEvent(this.message.contentToString().removeSuffix(suffix))
+            else onEvent(this, this.message.contentToString())
+        }
+    }
+}
+
+internal fun <M : ContactMessage, Ret, R : RR, RR> MessageSubscribersBuilder<M, Ret, R, RR>.startsWithImpl(
+    prefix: String,
+    removePrefix: Boolean = true,
+    trim: Boolean = true,
+    onEvent: @MessageDsl suspend M.(String) -> R
+): Ret {
+    return if (trim) {
+        val toCheck = prefix.trim()
+        content({ it.trimStart().startsWith(toCheck) }) {
+            if (removePrefix) this.onEvent(this.message.contentToString().substringAfter(toCheck).trim())
+            else onEvent(this, this.message.contentToString().trim())
+        }
+    } else content({ it.startsWith(prefix) }) {
+        if (removePrefix) this.onEvent(this.message.contentToString().removePrefix(prefix))
+        else onEvent(this, this.message.contentToString())
+    }
+}
+
+internal fun <M : ContactMessage, Ret, R : RR, RR> MessageSubscribersBuilder<M, Ret, R, RR>.containsAllImpl(
+    sub: Array<out String>,
+    ignoreCase: Boolean = false,
+    trim: Boolean = true
+): MessageSubscribersBuilder<M, Ret, R, RR>.ListeningFilter =
+    if (trim) {
+        val list = sub.map { it.trim() }
+        content { list.all { toCheck -> it.contains(toCheck, ignoreCase = ignoreCase) } }
+    } else {
+        content { sub.all { toCheck -> it.contains(toCheck, ignoreCase = ignoreCase) } }
+    }
+
+internal fun <M : ContactMessage, Ret, R : RR, RR> MessageSubscribersBuilder<M, Ret, R, RR>.containsAnyImpl(
+    vararg sub: String,
+    ignoreCase: Boolean = false,
+    trim: Boolean = true
+): MessageSubscribersBuilder<M, Ret, R, RR>.ListeningFilter =
+    if (trim) {
+        val list = sub.map { it.trim() }
+        content { list.any { toCheck -> it.contains(toCheck, ignoreCase = ignoreCase) } }
+    } else content { sub.any { toCheck -> it.contains(toCheck, ignoreCase = ignoreCase) } }
+
+internal fun <M : ContactMessage, Ret, R : RR, RR> MessageSubscribersBuilder<M, Ret, R, RR>.caseImpl(
+    equals: String,
+    ignoreCase: Boolean = false,
+    trim: Boolean = true
+): MessageSubscribersBuilder<M, Ret, R, RR>.ListeningFilter {
+    return if (trim) {
+        val toCheck = equals.trim()
+        content { it.trim().equals(toCheck, ignoreCase = ignoreCase) }
+    } else {
+        content { it.equals(equals, ignoreCase = ignoreCase) }
+    }
+}
+
+internal fun <M : ContactMessage, Ret, R : RR, RR> MessageSubscribersBuilder<M, Ret, R, RR>.containsImpl(
+    sub: String,
+    ignoreCase: Boolean = false,
+    trim: Boolean = true,
+    onEvent: MessageListener<M, R>
+): Ret {
+    return if (trim) {
+        val toCheck = sub.trim()
+        content({ it.contains(toCheck, ignoreCase = ignoreCase) }) {
+            onEvent(this, this.message.contentToString().trim())
+        }
+    } else {
+        content({ it.contains(sub, ignoreCase = ignoreCase) }) {
+            onEvent(this, this.message.contentToString())
+        }
+    }
+}
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