From 5ff9bfa27260d6f7cb6b2d935debe12b955779b9 Mon Sep 17 00:00:00 2001
From: "jiahua.liu" <n@mamoe.net>
Date: Sat, 25 Jan 2020 14:58:49 +0800
Subject: [PATCH] Console Command.kt

---
 .../kotlin/net/mamoe/mirai/plugin/Command.kt  | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 mirai-console/src/main/kotlin/net/mamoe/mirai/plugin/Command.kt

diff --git a/mirai-console/src/main/kotlin/net/mamoe/mirai/plugin/Command.kt b/mirai-console/src/main/kotlin/net/mamoe/mirai/plugin/Command.kt
new file mode 100644
index 000000000..6f9f112e0
--- /dev/null
+++ b/mirai-console/src/main/kotlin/net/mamoe/mirai/plugin/Command.kt
@@ -0,0 +1,33 @@
+package net.mamoe.mirai.plugin
+
+object CommandManager {
+    private val registeredCommand: MutableMap<String, Command> = mutableMapOf()
+
+
+    fun register(command: Command) {
+        val allNames = mutableListOf<String>(command.name).also { it.addAll(command.alias) }
+        allNames.forEach {
+            if (registeredCommand.containsKey(it)) {
+                error("Command Name(or Alias) $it is already registered, consider if same function plugin was installed")
+            }
+        }
+        allNames.forEach {
+            registeredCommand[it] = command
+        }
+    }
+
+
+}
+
+abstract class Command(
+    val name: String,
+    val alias: List<String> = listOf()
+) {
+    /**
+     * 最高优先级监听器
+     * 如果return [false] 这次指令不会被[PluginBase]的全局onCommand监听器监听
+     * */
+    fun onCommand(args: List<String>): Boolean {
+        return true
+    }
+}