Public API stabilization:

- Redesign MiraiConsoleFrontEndDescription
- Redesign MiraiConsoleImplementation
- Rework path-relevant properties
- Add docs

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/MiraiConsole.kt

@@ -12,6 +12,7 @@
 
 package net.mamoe.mirai.console
 
+import com.vdurmont.semver4j.Semver
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Job
 import net.mamoe.mirai.Bot
@@ -24,8 +25,8 @@ import net.mamoe.mirai.console.util.ConsoleExperimentalAPI
 import net.mamoe.mirai.console.util.ConsoleInternalAPI
 import net.mamoe.mirai.utils.BotConfiguration
 import net.mamoe.mirai.utils.MiraiLogger
-import java.io.File
-import java.util.*
+import java.nio.file.Path
+import java.time.Instant
 
 
 /**
@@ -36,19 +37,20 @@ import java.util.*
  */
 public interface MiraiConsole : CoroutineScope {
     /**
-     * Console 运行路径
+     * Console 运行根目录, 由前端决定确切路径.
+     *
+     * 所有子模块都会在这个目录之下创建子目录.
      */
-    public val rootDir: File
+    public val rootPath: Path
 
     /**
-     * Console 前端接口
-     */
-    @ConsoleExperimentalAPI
-    public val frontEnd: MiraiConsoleFrontEnd
-
-    /**
-     * 与前端交互所使用的 Logger
+     * Console 主日志.
+     *
+     * **实现细节**: 这个 [MiraiLogger] 的 [MiraiLogger.identity] 通常为 `main`
+     *
+     * **注意**: 插件不应该在任何时刻使用它.
      */
+    @ConsoleInternalAPI
     public val mainLogger: MiraiLogger
 
     /**
@@ -58,13 +60,22 @@ public interface MiraiConsole : CoroutineScope {
      */
     public val builtInPluginLoaders: List<PluginLoader<*, *>>
 
-    public val buildDate: Date
+    /**
+     * 此 Console 后端构建时间
+     */
+    public val buildDate: Instant
 
-    public val version: String
+    /**
+     * 此 Console 后端版本号
+     */
+    public val version: Semver
 
     @ConsoleExperimentalAPI
     public val pluginCenter: PluginCenter
 
+    /**
+     * 创建一个 logger
+     */
     @ConsoleExperimentalAPI
     public fun newLogger(identity: String?): MiraiLogger
 
@@ -88,8 +99,9 @@ public interface MiraiConsole : CoroutineScope {
         public fun addBot(id: Long, password: String, configuration: BotConfiguration.() -> Unit = {}): Bot =
             Bot(id, password) {
                 fileBasedDeviceInfo()
-                this.loginSolver = frontEnd.createLoginSolver()
                 redirectNetworkLogToDirectory()
+
+                this.loginSolver = MiraiConsoleImplementationBridge.createLoginSolver(id, this)
                 configuration()
             }
     }

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/MiraiConsoleFrontEnd.kt

@@ -1,53 +0,0 @@
-/*
- * Copyright 2019-2020 Mamoe Technologies and contributors.
- *
- * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 with Mamoe Exceptions 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 AFFERO GENERAL PUBLIC LICENSE version 3 with Mamoe Exceptions license that can be found via the following link.
- *
- * https://github.com/mamoe/mirai/blob/master/LICENSE
- */
-
-package net.mamoe.mirai.console
-
-import net.mamoe.mirai.Bot
-import net.mamoe.mirai.console.util.ConsoleExperimentalAPI
-import net.mamoe.mirai.utils.LoginSolver
-import net.mamoe.mirai.utils.MiraiLogger
-
-/**
- * 只需要实现一个这个传入 MiraiConsole 就可以绑定 UI 层与 Console 层
- *
- * 需要保证线程安全
- */
-@ConsoleExperimentalAPI
-@ConsoleFrontEndImplementation
-public interface MiraiConsoleFrontEnd {
-    /**
-     * 名称
-     */
-    public val name: String
-
-    /**
-     * 版本
-     */
-    public val version: String
-
-    public fun loggerFor(identity: String?): MiraiLogger
-
-    /**
-     * 让 UI 层接受一个新的bot
-     * */
-    public fun pushBot(
-        bot: Bot
-    )
-
-    /**
-     * 让 UI 层提供一个输入, 相当于 [readLine]
-     */
-    public suspend fun requestInput(hint: String): String
-
-    /**
-     * 由 UI 层创建一个 [LoginSolver]
-     */
-    public fun createLoginSolver(): LoginSolver
-}

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/MiraiConsoleFrontEndDescription.kt

@@ -0,0 +1,37 @@
+/*
+ * 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.console
+
+import com.vdurmont.semver4j.Semver
+
+/**
+ * 有关前端实现的信息
+ */
+public interface MiraiConsoleFrontEndDescription {
+    /**
+     * 此前端实现的名称
+     */
+    public val name: String
+
+    /**
+     * 此前端实现的提供者
+     */
+    public val vendor: String
+
+    /**
+     * 此前端实现的名称
+     */
+    public val version: Semver
+
+    /**
+     * 返回显示在 [MiraiConsole] 启动时的信息
+     */
+    public fun render(): String = "Frontend ${name}: version ${version}, provided by $vendor"
+}

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/MiraiConsoleImplementation.kt

@@ -13,6 +13,7 @@ package net.mamoe.mirai.console
 
 import kotlinx.atomicfu.locks.withLock
 import kotlinx.coroutines.CoroutineScope
+import net.mamoe.mirai.Bot
 import net.mamoe.mirai.console.MiraiConsoleImplementation.Companion.start
 import net.mamoe.mirai.console.command.ConsoleCommandSender
 import net.mamoe.mirai.console.data.PluginDataStorage
@@ -20,8 +21,11 @@ import net.mamoe.mirai.console.internal.MiraiConsoleImplementationBridge
 import net.mamoe.mirai.console.plugin.PluginLoader
 import net.mamoe.mirai.console.plugin.jvm.JarPluginLoader
 import net.mamoe.mirai.console.util.ConsoleExperimentalAPI
+import net.mamoe.mirai.console.util.ConsoleInput
+import net.mamoe.mirai.utils.BotConfiguration
+import net.mamoe.mirai.utils.LoginSolver
 import net.mamoe.mirai.utils.MiraiLogger
-import java.io.File
+import java.nio.file.Path
 import java.util.concurrent.locks.ReentrantLock
 import kotlin.annotation.AnnotationTarget.*
 import kotlin.coroutines.CoroutineContext
@@ -51,15 +55,16 @@ public interface MiraiConsoleImplementation : CoroutineScope {
     public override val coroutineContext: CoroutineContext
 
     /**
-     * Console 运行路径
+     * Console 运行根目录
+     * @see MiraiConsole.rootPath
      */
-    public val rootDir: File
+    public val rootPath: Path
 
     /**
      * Console 前端接口
      */
     @ConsoleExperimentalAPI
-    public val frontEnd: MiraiConsoleFrontEnd
+    public val frontEndDescription: MiraiConsoleFrontEndDescription
 
     /**
      * 与前端交互所使用的 Logger
@@ -79,6 +84,28 @@ public interface MiraiConsoleImplementation : CoroutineScope {
     public val configStorageForJarPluginLoader: PluginDataStorage
     public val dataStorageForBuiltIns: PluginDataStorage
 
+    /**
+     * @see ConsoleInput 的实现
+     */
+    public val consoleInput: ConsoleInput
+
+    /**
+     * 创建一个 [LoginSolver]
+     *
+     * **调用备注**: 此函数通常在构造 [Bot] 实例时调用.
+     *
+     * @param requesterBot 请求者 [Bot.id]
+     * @param configuration 请求者 [Bot.configuration]
+     *
+     * @see LoginSolver.Default
+     */
+    public fun createLoginSolver(requesterBot: Long, configuration: BotConfiguration): LoginSolver
+
+    /**
+     * 创建一个 logger
+     */
+    public fun newLogger(identity: String?): MiraiLogger
+
     public companion object {
         internal lateinit var instance: MiraiConsoleImplementation
         private val initLock = ReentrantLock()

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/command/BuiltInCommands.kt

@@ -19,6 +19,7 @@ import net.mamoe.mirai.console.MiraiConsole
 import net.mamoe.mirai.console.command.CommandManagerImpl.allRegisteredCommands
 import net.mamoe.mirai.console.command.CommandManagerImpl.register
 import net.mamoe.mirai.console.util.ConsoleExperimentalAPI
+import net.mamoe.mirai.console.util.ConsoleInternalAPI
 import net.mamoe.mirai.message.nextMessageOrNull
 import net.mamoe.mirai.utils.secondsToMillis
 import kotlin.concurrent.thread
@@ -79,6 +80,7 @@ public object BuiltInCommands {
                 }.fold(
                     onSuccess = { sendMessage("mirai-console stopped successfully.") },
                     onFailure = {
+                        @OptIn(ConsoleInternalAPI::class)
                         MiraiConsole.mainLogger.error(it)
                         sendMessage(it.localizedMessage ?: it.message ?: it.toString())
                     }

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/data/PluginDataStorage.kt

@@ -16,6 +16,7 @@ import net.mamoe.mirai.console.internal.data.MultiFilePluginDataStorageImpl
 import net.mamoe.mirai.console.plugin.jvm.JarPluginLoader
 import net.mamoe.mirai.console.plugin.jvm.JvmPlugin
 import java.io.File
+import java.nio.file.Path
 import kotlin.reflect.KClass
 
 /**
@@ -99,7 +100,7 @@ public interface MultiFilePluginDataStorage : PluginDataStorage {
     /**
      * 存放 [PluginData] 的目录.
      */
-    public val directory: File
+    public val directoryPath: Path
 
     public companion object {
         /**
@@ -109,7 +110,11 @@ public interface MultiFilePluginDataStorage : PluginDataStorage {
          */
         @JvmStatic
         @JvmName("create")
-        public operator fun invoke(directory: File): MultiFilePluginDataStorage =
+        public operator fun invoke(directory: Path): MultiFilePluginDataStorage =
             MultiFilePluginDataStorageImpl(directory)
     }
 }
+
+@get:JvmSynthetic
+public inline val MultiFilePluginDataStorage.directory: File
+    get() = this.directoryPath.toFile()

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/MiraiConsoleBuildConstants.kt

@@ -9,10 +9,13 @@
 
 package net.mamoe.mirai.console.internal
 
-import java.util.*
+import com.vdurmont.semver4j.Semver
+import java.time.Instant
 
 internal object MiraiConsoleBuildConstants { // auto-filled on build (task :mirai-console:fillBuildConstants)
     @JvmStatic
-    val buildDate: Date = Date(1597935352287L) // 2020-08-20 22:55:52
-    const val version: String = "1.0-M2-1"
+    val buildDate: Instant = Instant.ofEpochMilli(1597935352287L) // 2020-08-20 22:55:52
+
+    @JvmStatic
+    val version: Semver = Semver("1.0-M2-1")
 }

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/MiraiConsoleImplementationBridge.kt

@@ -11,12 +11,13 @@
 
 package net.mamoe.mirai.console.internal
 
+import com.vdurmont.semver4j.Semver
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Job
 import net.mamoe.mirai.Bot
 import net.mamoe.mirai.console.IllegalMiraiConsoleImplementationError
 import net.mamoe.mirai.console.MiraiConsole
-import net.mamoe.mirai.console.MiraiConsoleFrontEnd
+import net.mamoe.mirai.console.MiraiConsoleFrontEndDescription
 import net.mamoe.mirai.console.MiraiConsoleImplementation
 import net.mamoe.mirai.console.command.BuiltInCommands
 import net.mamoe.mirai.console.command.Command.Companion.primaryName
@@ -30,12 +31,12 @@ import net.mamoe.mirai.console.plugin.PluginLoader
 import net.mamoe.mirai.console.plugin.PluginManager
 import net.mamoe.mirai.console.plugin.center.PluginCenter
 import net.mamoe.mirai.console.util.ConsoleExperimentalAPI
-import net.mamoe.mirai.utils.DefaultLogger
-import net.mamoe.mirai.utils.MiraiLogger
-import net.mamoe.mirai.utils.info
-import java.io.File
+import net.mamoe.mirai.console.util.ConsoleInput
+import net.mamoe.mirai.console.util.ConsoleInternalAPI
+import net.mamoe.mirai.utils.*
+import java.nio.file.Path
 import java.text.SimpleDateFormat
-import java.util.*
+import java.time.Instant
 import kotlin.coroutines.CoroutineContext
 
 /**
@@ -45,36 +46,39 @@ internal object MiraiConsoleImplementationBridge : CoroutineScope, MiraiConsoleI
     MiraiConsole {
     override val pluginCenter: PluginCenter get() = CuiPluginCenter
 
-    private val instance: MiraiConsoleImplementation get() = MiraiConsoleImplementation.instance
-    override val buildDate: Date get() = MiraiConsoleBuildConstants.buildDate
-    override val version: String get() = MiraiConsoleBuildConstants.version
-    override val rootDir: File get() = instance.rootDir
-    override val frontEnd: MiraiConsoleFrontEnd get() = instance.frontEnd
+    private val instance: MiraiConsoleImplementation by MiraiConsoleImplementation.Companion::instance
+    override val buildDate: Instant by MiraiConsoleBuildConstants::buildDate
+    override val version: Semver by MiraiConsoleBuildConstants::version
+    override val rootPath: Path by instance::rootPath
+    override val frontEndDescription: MiraiConsoleFrontEndDescription by instance::frontEndDescription
 
-    @ConsoleExperimentalAPI
-    override val mainLogger: MiraiLogger
-        get() = instance.mainLogger
-    override val coroutineContext: CoroutineContext get() = instance.coroutineContext
-    override val builtInPluginLoaders: List<PluginLoader<*, *>> get() = instance.builtInPluginLoaders
-    override val consoleCommandSender: ConsoleCommandSender get() = instance.consoleCommandSender
+    @OptIn(ConsoleInternalAPI::class)
+    override val mainLogger: MiraiLogger by instance::mainLogger
+    override val coroutineContext: CoroutineContext by instance::coroutineContext
+    override val builtInPluginLoaders: List<PluginLoader<*, *>> by instance::builtInPluginLoaders
+    override val consoleCommandSender: ConsoleCommandSender by instance::consoleCommandSender
 
-    override val dataStorageForJarPluginLoader: PluginDataStorage get() = instance.dataStorageForJarPluginLoader
-    override val configStorageForJarPluginLoader: PluginDataStorage get() = instance.configStorageForJarPluginLoader
-    override val dataStorageForBuiltIns: PluginDataStorage get() = instance.dataStorageForBuiltIns
+    override val dataStorageForJarPluginLoader: PluginDataStorage by instance::dataStorageForJarPluginLoader
+    override val configStorageForJarPluginLoader: PluginDataStorage by instance::configStorageForJarPluginLoader
+    override val dataStorageForBuiltIns: PluginDataStorage by instance::dataStorageForBuiltIns
+    override val consoleInput: ConsoleInput by instance::consoleInput
+
+    override fun createLoginSolver(requesterBot: Long, configuration: BotConfiguration): LoginSolver =
+        instance.createLoginSolver(requesterBot, configuration)
 
     init {
-        DefaultLogger = { identity -> this.newLogger(identity) }
+        DefaultLogger = this::newLogger
     }
 
     @ConsoleExperimentalAPI
-    override fun newLogger(identity: String?): MiraiLogger = frontEnd.loggerFor(identity)
+    override fun newLogger(identity: String?): MiraiLogger = instance.newLogger(identity)
 
     @OptIn(ConsoleExperimentalAPI::class)
     internal fun doStart() {
         val buildDateFormatted = SimpleDateFormat("yyyy-MM-dd").format(buildDate)
         mainLogger.info { "Starting mirai-console..." }
         mainLogger.info { "Backend: version $version, built on $buildDateFormatted." }
-        mainLogger.info { "Frontend ${frontEnd.name}: version $version." }
+        mainLogger.info { frontEndDescription.render() }
 
         if (coroutineContext[Job] == null) {
             throw IllegalMiraiConsoleImplementationError("The coroutineContext given to MiraiConsole must have a Job in it.")

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/data/MultiFilePluginDataStorageImpl.kt

@@ -14,14 +14,15 @@ import net.mamoe.mirai.console.internal.command.qualifiedNameOrTip
 import net.mamoe.mirai.console.util.ConsoleExperimentalAPI
 import net.mamoe.yamlkt.Yaml
 import java.io.File
+import java.nio.file.Path
 import kotlin.reflect.KClass
 
 @Suppress("RedundantVisibilityModifier") // might be public in the future
 internal open class MultiFilePluginDataStorageImpl(
-    public final override val directory: File
+    public final override val directoryPath: Path
 ) : PluginDataStorage, MultiFilePluginDataStorage {
     init {
-        directory.mkdir()
+        directoryPath.mkdir()
     }
 
     public override fun <T : PluginData> load(holder: PluginDataHolder, dataClass: Class<T>): T =
@@ -53,17 +54,17 @@ internal open class MultiFilePluginDataStorageImpl(
     protected open fun getPluginDataFile(holder: PluginDataHolder, clazz: KClass<*>): File = with(clazz) {
         val name = findASerialName()
 
-        val dir = File(directory, holder.name)
+        val dir = directoryPath.resolve(holder.name)
         if (dir.isFile) {
-            error("Target directory ${dir.path} for holder $holder is occupied by a file therefore data $qualifiedNameOrTip can't be saved.")
+            error("Target directory $dir for holder $holder is occupied by a file therefore data $qualifiedNameOrTip can't be saved.")
         }
         dir.mkdir()
 
-        val file = File(directory, name)
+        val file = directoryPath.resolve(name)
         if (file.isDirectory) {
             error("Target file $file is occupied by a directory therefore data $qualifiedNameOrTip can't be saved.")
         }
-        return file
+        return file.toFile()
     }
 
     @ConsoleExperimentalAPI
@@ -78,4 +79,8 @@ internal open class MultiFilePluginDataStorageImpl(
             file.writeText(Yaml.default.encodeToString(pluginData.updaterSerializer, Unit))
         }
     }
-}
+}
+
+internal fun Path.mkdir(): Boolean = this.toFile().mkdir()
+internal val Path.isFile: Boolean get() = this.toFile().isFile
+internal val Path.isDirectory: Boolean get() = this.toFile().isDirectory

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/plugin/JvmPluginInternal.kt

@@ -13,6 +13,7 @@ import kotlinx.atomicfu.AtomicLong
 import kotlinx.atomicfu.locks.withLock
 import kotlinx.coroutines.*
 import net.mamoe.mirai.console.MiraiConsole
+import net.mamoe.mirai.console.internal.data.mkdir
 import net.mamoe.mirai.console.plugin.Plugin
 import net.mamoe.mirai.console.plugin.PluginManager
 import net.mamoe.mirai.console.plugin.ResourceContainer.Companion.asResourceContainer
@@ -20,8 +21,8 @@ import net.mamoe.mirai.console.plugin.jvm.JvmPlugin
 import net.mamoe.mirai.console.plugin.jvm.JvmPluginDescription
 import net.mamoe.mirai.console.plugin.safeLoader
 import net.mamoe.mirai.utils.MiraiLogger
-import java.io.File
 import java.io.InputStream
+import java.nio.file.Path
 import java.util.concurrent.locks.ReentrantLock
 import kotlin.coroutines.CoroutineContext
 import kotlin.coroutines.EmptyCoroutineContext
@@ -60,11 +61,8 @@ internal abstract class JvmPluginInternal(
 
     private var firstRun = true
 
-    final override val dataFolder: File by lazy {
-        File(
-            PluginManager.pluginsDataFolder,
-            description.name
-        ).apply { mkdir() }
+    final override val dataFolderPath: Path by lazy {
+        PluginManager.pluginsPath.resolve(description.name).apply { mkdir() }
     }
 
     internal fun internalOnDisable() {

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/plugin/PluginManagerImpl.kt

@@ -16,14 +16,15 @@ import kotlinx.coroutines.InternalCoroutinesApi
 import kotlinx.coroutines.Job
 import net.mamoe.mirai.console.MiraiConsole
 import net.mamoe.mirai.console.internal.data.cast
+import net.mamoe.mirai.console.internal.data.mkdir
 import net.mamoe.mirai.console.plugin.*
 import net.mamoe.mirai.utils.info
-import java.io.File
+import java.nio.file.Path
 import java.util.concurrent.locks.ReentrantLock
 
 internal object PluginManagerImpl : PluginManager {
-    override val pluginsDir = File(MiraiConsole.rootDir, "plugins").apply { mkdir() }
-    override val pluginsDataFolder = File(MiraiConsole.rootDir, "data").apply { mkdir() }
+    override val pluginsPath: Path = MiraiConsole.rootPath.resolve("plugins").apply { mkdir() }
+    override val pluginsDataPath = MiraiConsole.rootPath.resolve("data").apply { mkdir() }
 
     @Suppress("ObjectPropertyName")
     private val _pluginLoaders: MutableList<PluginLoader<*, *>> = mutableListOf()
@@ -45,15 +46,15 @@ internal object PluginManagerImpl : PluginManager {
             ?.getDescription(this)
             ?: error("Plugin is unloaded")
 
-    override fun registerPluginLoader(loader: PluginLoader<*, *>): Boolean = loadersLock.withLock {
-        if (_pluginLoaders.any { it::class == loader }) {
+    override fun PluginLoader<*, *>.register(): Boolean = loadersLock.withLock {
+        if (_pluginLoaders.any { it::class == this }) {
             return false
         }
-        _pluginLoaders.add(loader)
+        _pluginLoaders.add(this)
     }
 
-    override fun unregisterPluginLoader(loader: PluginLoader<*, *>) = loadersLock.withLock {
-        _pluginLoaders.remove(loader)
+    override fun PluginLoader<*, *>.unregister() = loadersLock.withLock {
+        _pluginLoaders.remove(this)
     }
 
     init {

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/internal/util/ConsoleInputImpl.kt

@@ -0,0 +1,15 @@
+package net.mamoe.mirai.console.internal.util
+
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import net.mamoe.mirai.console.MiraiConsole
+import net.mamoe.mirai.console.util.ConsoleInput
+import net.mamoe.mirai.console.util.requestInput
+
+@Suppress("unused")
+internal object ConsoleInputImpl : ConsoleInput {
+    private val inputLock = Mutex()
+
+    override suspend fun requestInput(hint: String): String =
+        inputLock.withLock { MiraiConsole.requestInput(hint) }
+}

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/plugin/Exceptions.kt

@@ -0,0 +1,28 @@
+/*
+ * 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
+ */
+
+@file:Suppress("unused")
+
+package net.mamoe.mirai.console.plugin
+
+// TODO: 2020/8/22 Document PluginMissingDependencyException
+public class PluginMissingDependencyException : PluginResolutionException {
+    public constructor() : super()
+    public constructor(message: String?) : super(message)
+    public constructor(message: String?, cause: Throwable?) : super(message, cause)
+    public constructor(cause: Throwable?) : super(cause)
+}
+
+// TODO: 2020/8/22 Document PluginResolutionException
+public open class PluginResolutionException : Exception {
+    public constructor() : super()
+    public constructor(message: String?) : super(message)
+    public constructor(message: String?, cause: Throwable?) : super(message, cause)
+    public constructor(cause: Throwable?) : super(cause)
+}

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/plugin/Plugin.kt

@@ -14,11 +14,12 @@ package net.mamoe.mirai.console.plugin
 import net.mamoe.mirai.console.plugin.jvm.JvmPlugin
 import net.mamoe.mirai.console.util.ConsoleExperimentalAPI
 import java.io.File
+import java.nio.file.Path
 
 /**
  * 表示一个 mirai-console 插件.
  *
- * @see PluginDescription 插件描述
+ * @see PluginDescription 插件描述， 需由 [PluginLoader] 帮助提供（[PluginLoader.description]）
  * @see JvmPlugin Java, Kotlin 或其他 JVM 平台插件
  * @see PluginFileExtensions 支持文件系统存储的扩展
  *
@@ -71,13 +72,33 @@ public interface PluginFileExtensions {
     /**
      * 数据目录
      */
-    public val dataFolder: File
+    public val dataFolderPath: Path
 
     /**
-     * 从数据目录获取一个文件, 若不存在则创建文件.
+     * 从数据目录获取一个文件.
+     * @see dataFolderPath
      */
     @JvmDefault
-    public fun file(relativePath: String): File = File(dataFolder, relativePath).apply { createNewFile() }
+    public fun resolveDataFile(relativePath: String): File = dataFolderPath.resolve(relativePath).toFile()
 
-    // TODO: 2020/7/11  add `fun path(...): Path` ?
+    /**
+     * 从数据目录获取一个文件.
+     * @see dataFolderPath
+     */
+    @JvmDefault
+    public fun resolveDataPath(relativePath: String): Path = dataFolderPath.resolve(relativePath)
+
+    /**
+     * 从数据目录获取一个文件.
+     * @see dataFolderPath
+     */
+    @JvmDefault
+    public fun resolveDataFile(relativePath: Path): File = dataFolderPath.resolve(relativePath).toFile()
+
+    /**
+     * 从数据目录获取一个文件路径.
+     * @see dataFolderPath
+     */
+    @JvmDefault
+    public fun resolveDataPath(relativePath: Path): Path = dataFolderPath.resolve(relativePath)
 }

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/plugin/PluginLoader.kt

@@ -21,18 +21,35 @@ import java.io.File
  *
  * 有关插件的依赖和已加载的插件列表由 [PluginManager] 维护.
  *
+ * ### 内建加载器
+ * - [JarPluginLoader] Jar 插件加载器
+ *
+ * ### 扩展加载器
+ * 插件被允许扩展一个加载器。 可通过 [PluginManager.registerPluginLoader]
+ *
  * @see JarPluginLoader Jar 插件加载器
+ * @see PluginManager.registerPluginLoader 注册一个扩展的插件加载器
  */
 public interface PluginLoader<P : Plugin, D : PluginDescription> {
     /**
-     * 扫描并返回可以被加载的插件的 [描述][PluginDescription] 列表. 此函数只会被调用一次
+     * 扫描并返回可以被加载的插件的 [描述][PluginDescription] 列表.
+     *
+     * 在 console 启动时, [PluginManager] 会获取所有 [PluginDescription], 分析依赖关系, 确认插件加载顺序.
+     *
+     * **实现细节:** 此函数只*应该*在 console 启动时被调用一次. 但取决于前端实现不同, 或可能由于被一些插件需要, 此函数也可能会被多次调用.
      */
     public fun listPlugins(): List<D>
 
     /**
-     * 获取此插件的描述
+     * 获取此插件的描述.
+     *
+     * **实现细节**: 此函数只允许抛出 [PluginLoadException] 作为正常失败原因, 其他任意异常都属于意外错误.
+     *
+     * 若在 console 启动并加载所有插件的过程中, 本函数抛出异常, 则会放弃此插件的加载, 并影响依赖它的其他插件.
      *
      * @throws PluginLoadException 在加载插件遇到意料之中的错误时抛出 (如无法读取插件信息等).
+     *
+     * @see PluginDescription 插件描述
      */
     @get:JvmName("getPluginDescription")
     @get:Throws(PluginLoadException::class)
@@ -41,11 +58,19 @@ public interface PluginLoader<P : Plugin, D : PluginDescription> {
     /**
      * 加载一个插件 (实例), 但不 [启用][enable] 它. 返回加载成功的主类实例
      *
+     * **实现细节**: 此函数只允许抛出 [PluginLoadException] 作为正常失败原因, 其他任意异常都属于意外错误.
+     * 当异常发生时, 插件将会直接被放弃加载, 并影响依赖它的其他插件.
+     *
      * @throws PluginLoadException 在加载插件遇到意料之中的错误时抛出 (如找不到主类等).
      */
     @Throws(PluginLoadException::class)
     public fun load(description: D): P
 
+    /**
+     * 启用这个插件.
+     *
+     * **实现约定**: 若插件已经启用, 抛出
+     */
     public fun enable(plugin: P)
     public fun disable(plugin: P)
 }
@@ -62,7 +87,7 @@ public open class PluginLoadException : RuntimeException {
 }
 
 /**
- * '/plugins' 目录中的插件的加载器. 每个加载器需绑定一个后缀.
+ * ['/plugins'][PluginManager.pluginsPath] 目录中的插件的加载器. 每个加载器需绑定一个后缀.
  *
  * @see AbstractFilePluginLoader 默认基础实现
  * @see JarPluginLoader 内建的 Jar (JVM) 插件加载器.
@@ -75,13 +100,16 @@ public interface FilePluginLoader<P : Plugin, D : PluginDescription> : PluginLoa
 }
 
 /**
- * [FilePluginLoader] 的默认基础实现
+ * [FilePluginLoader] 的默认基础实现.
+ *
+ * @see FilePluginLoader
  */
 public abstract class AbstractFilePluginLoader<P : Plugin, D : PluginDescription>(
     public override val fileSuffix: String
 ) : FilePluginLoader<P, D> {
     private fun pluginsFilesSequence(): Sequence<File> =
-        PluginManager.pluginsDir.walk().filter { it.isFile && it.name.endsWith(fileSuffix, ignoreCase = true) }
+        PluginManager.pluginsPath.toFile().walk()
+            .filter { it.isFile && it.name.endsWith(fileSuffix, ignoreCase = true) }
 
     /**
      * 读取扫描到的后缀与 [fileSuffix] 相同的文件中的 [PluginDescription]

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/plugin/PluginManager.kt

@@ -14,41 +14,74 @@ package net.mamoe.mirai.console.plugin
 import net.mamoe.mirai.console.MiraiConsole
 import net.mamoe.mirai.console.internal.plugin.PluginManagerImpl
 import java.io.File
+import java.nio.file.Path
 
 /**
  * 插件管理器.
+ *
+ * [PluginManager] 管理所有 [插件加载器][PluginLoader], 储存对所有插件的引用 ([plugins]), 但不直接与 [插件实例][Plugin] 交互.
+ *
+ * 有关 [插件加载][PluginLoader.load], [插件启用][PluginLoader.enable] 等操作都由 [PluginLoader] 完成.
+ * [PluginManager] 仅作为一个联系所有 [插件加载器][PluginLoader], 使它们互相合作的桥梁.
+ *
+ * 若要主动加载一个插件, 请获取相应插件的 [PluginLoader], 然后使用 [PluginLoader.enable]
+ *
+ * @see Plugin 插件
+ * @see PluginLoader 插件加载器
  */
 public interface PluginManager {
     /**
-     * `$rootDir/plugins`
+     * 插件自身存放路径. 由前端决定具体路径.
+     *
+     * **实现细节**: 在 terminal 前端实现为 `$rootPath/plugins`
+     *
+     * @see pluginsFolder [File] 类型
      */
-    public val pluginsDir: File
+    public val pluginsPath: Path
 
     /**
-     * `$rootDir/data`
+     * 插件数据存放路径
+     *
+     * **实现细节**: 在 terminal 前端实现为 `$rootPath/data`
+     *
+     * @see pluginsDataFolder [File] 类型
      */
-    public val pluginsDataFolder: File
+    public val pluginsDataPath: Path
 
     /**
      * 已加载的插件列表
+     *
+     * @return 只读列表
      */
     public val plugins: List<Plugin>
 
     /**
      * 内建的插件加载器列表. 由 [MiraiConsole] 初始化.
      *
-     * @return 不可变的 list.
+     * @return 只读列表
      */
     public val builtInLoaders: List<PluginLoader<*, *>>
 
     /**
      * 由插件创建的 [PluginLoader]
+     *
+     * @return 只读列表
      */
     public val pluginLoaders: List<PluginLoader<*, *>>
 
-    public fun registerPluginLoader(loader: PluginLoader<*, *>): Boolean
+    /**
+     * 注册一个扩展的插件加载器
+     *
+     * @see PluginLoader 插件加载器
+     */
+    public fun PluginLoader<*, *>.register(): Boolean
 
-    public fun unregisterPluginLoader(loader: PluginLoader<*, *>): Boolean
+    /**
+     * 取消注册一个扩展的插件加载器
+     *
+     * @see PluginLoader 插件加载器
+     */
+    public fun PluginLoader<*, *>.unregister(): Boolean
 
     /**
      * 获取插件的 [描述][PluginDescription], 通过 [PluginLoader.getDescription]
@@ -56,26 +89,23 @@ public interface PluginManager {
     public val Plugin.description: PluginDescription
 
     public companion object INSTANCE : PluginManager by PluginManagerImpl {
-        override val Plugin.description: PluginDescription get() = PluginManagerImpl.run { description }
+        // due to Kotlin's bug
+        public override val Plugin.description: PluginDescription get() = PluginManagerImpl.run { description }
+        public override fun PluginLoader<*, *>.register(): Boolean = PluginManagerImpl.run { register() }
+        public override fun PluginLoader<*, *>.unregister(): Boolean = PluginManagerImpl.run { unregister() }
     }
 }
 
-@JvmSynthetic
-public inline fun PluginLoader<*, *>.register(): Boolean = PluginManager.registerPluginLoader(this)
+/**
+ * @see PluginManager.pluginsPath
+ */
+@get:JvmSynthetic
+public inline val PluginManager.pluginsFolder: File
+    get() = pluginsPath.toFile()
 
-@JvmSynthetic
-public inline fun PluginLoader<*, *>.unregister(): Boolean = PluginManager.unregisterPluginLoader(this)
-
-public class PluginMissingDependencyException : PluginResolutionException {
-    public constructor() : super()
-    public constructor(message: String?) : super(message)
-    public constructor(message: String?, cause: Throwable?) : super(message, cause)
-    public constructor(cause: Throwable?) : super(cause)
-}
-
-public open class PluginResolutionException : Exception {
-    public constructor() : super()
-    public constructor(message: String?) : super(message)
-    public constructor(message: String?, cause: Throwable?) : super(message, cause)
-    public constructor(cause: Throwable?) : super(cause)
-}
+/**
+ * @see PluginManager.pluginsDataPath
+ */
+@get:JvmSynthetic
+public inline val PluginManager.pluginsDataFolder: File
+    get() = pluginsDataPath.toFile()

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/plugin/description.kt

@@ -22,21 +22,53 @@ import java.io.File
 
 
 /**
- * 插件描述
+ * 插件描述.
+ *
+ * @see Plugin
  */
 public interface PluginDescription {
+    /**
+     * 插件类型. 将会决定加载顺序
+     *
+     * @see PluginKind
+     */
     public val kind: PluginKind
 
+    /**
+     * 插件名称.
+     */
     public val name: String
+
+    /**
+     * 插件作者, 允许为空
+     */
     public val author: String
+
+    /**
+     * 插件版本.
+     *
+     * 语法参考: ([语义化版本 2.0.0](https://semver.org/lang/zh-CN/))
+     *
+     * @see Semver 语义化版本
+     */
     public val version: Semver
+
+    /**
+     * 插件信息, 允许为空
+     */
     public val info: String
 
-    /** 此插件依赖的其他插件, 将会在这些插件加载之后加载此插件 */
+    /**
+     * 此插件依赖的其他插件, 将会在这些插件加载之后加载此插件
+     *
+     * @see PluginDependency
+     */
     public val dependencies: List<@Serializable(with = PluginDependency.SmartSerializer::class) PluginDependency>
 }
 
-/** 插件类型 */
+/**
+ * 插件类型
+ */
 @Serializable(with = PluginKind.AsStringSerializer::class)
 public enum class PluginKind {
     /** 表示此插件提供一个 [PluginLoader], 应在加载其他 [NORMAL] 类型插件前加载 */
@@ -55,7 +87,11 @@ public enum class PluginKind {
     )
 }
 
-/** 插件的一个依赖的信息 */
+/**
+ * 插件的一个依赖的信息
+ *
+ * @see PluginDescription.dependencies
+ */
 @Serializable(with = PluginDependency.SmartSerializer::class)
 public data class PluginDependency(
     /** 依赖插件名 */

backend/mirai-console/src/main/kotlin/net/mamoe/mirai/console/util/ConsoleInput.kt

@@ -13,10 +13,9 @@
 
 package net.mamoe.mirai.console.util
 
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
 import net.mamoe.kjbb.JvmBlockingBridge
 import net.mamoe.mirai.console.MiraiConsole
+import net.mamoe.mirai.console.internal.util.ConsoleInputImpl
 
 /**
  * Console 输入. 由于 console 接管了 [stdin][System. in], [readLine] 等操作需要在这里进行.
@@ -28,16 +27,9 @@ public interface ConsoleInput {
     @JvmBlockingBridge
     public suspend fun requestInput(hint: String): String
 
-    public companion object INSTANCE : ConsoleInput by ConsoleInputImpl {
-        @JvmSynthetic
-        public suspend inline fun MiraiConsole.requestInput(hint: String): String = ConsoleInput.requestInput(hint)
-    }
+    public companion object INSTANCE : ConsoleInput by ConsoleInputImpl
 }
 
-@Suppress("unused")
-internal object ConsoleInputImpl : ConsoleInput {
-    private val inputLock = Mutex()
-
-    override suspend fun requestInput(hint: String): String =
-        inputLock.withLock { MiraiConsole.frontEnd.requestInput(hint) }
-}
+// don't move into INSTANCE, Compilation error
+@JvmSynthetic
+public suspend inline fun MiraiConsole.requestInput(hint: String): String = ConsoleInput.requestInput(hint)

backend/mirai-console/src/test/kotlin/net/mamoe/mirai/console/TestMiraiConosle.kt

@@ -13,7 +13,6 @@ import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.runBlocking
 import kotlinx.coroutines.suspendCancellableCoroutine
 import kotlinx.coroutines.withTimeout
-import net.mamoe.mirai.Bot
 import net.mamoe.mirai.console.MiraiConsoleImplementation.Companion.start
 import net.mamoe.mirai.console.command.CommandManager
 import net.mamoe.mirai.console.command.ConsoleCommandSender
@@ -22,13 +21,15 @@ import net.mamoe.mirai.console.data.PluginDataStorage
 import net.mamoe.mirai.console.plugin.DeferredPluginLoader
 import net.mamoe.mirai.console.plugin.PluginLoader
 import net.mamoe.mirai.console.plugin.jvm.JarPluginLoader
+import net.mamoe.mirai.console.util.ConsoleExperimentalAPI
+import net.mamoe.mirai.console.util.ConsoleInput
 import net.mamoe.mirai.console.util.ConsoleInternalAPI
 import net.mamoe.mirai.message.data.Message
+import net.mamoe.mirai.utils.BotConfiguration
 import net.mamoe.mirai.utils.DefaultLogger
 import net.mamoe.mirai.utils.LoginSolver
 import net.mamoe.mirai.utils.MiraiLogger
-import net.mamoe.mirai.utils.PlatformLogger
-import java.io.File
+import java.nio.file.Path
 import kotlin.coroutines.Continuation
 import kotlin.coroutines.CoroutineContext
 import kotlin.coroutines.resume
@@ -37,22 +38,34 @@ import kotlin.test.assertNotNull
 @OptIn(ConsoleInternalAPI::class)
 fun initTestEnvironment() {
     object : MiraiConsoleImplementation {
-        override val rootDir: File = createTempDir()
-        override val frontEnd: MiraiConsoleFrontEnd = object : MiraiConsoleFrontEnd {
-            override val name: String get() = "Test"
-            override val version: String get() = "1.0.0"
-            override fun loggerFor(identity: String?): MiraiLogger = PlatformLogger(identity)
-            override fun pushBot(bot: Bot) = println("pushBot: $bot")
-            override suspend fun requestInput(hint: String): String = readLine()!!
-            override fun createLoginSolver(): LoginSolver = LoginSolver.Default
-        }
+        override val rootPath: Path = createTempDir().toPath()
+
+        @ConsoleExperimentalAPI
+        override val frontEndDescription: MiraiConsoleFrontEndDescription
+            get() = TODO("Not yet implemented")
         override val mainLogger: MiraiLogger = DefaultLogger("main")
         override val builtInPluginLoaders: List<PluginLoader<*, *>> = listOf(DeferredPluginLoader { JarPluginLoader })
         override val consoleCommandSender: ConsoleCommandSender = object : ConsoleCommandSender() {
             override suspend fun sendMessage(message: Message) = println(message)
         }
         override val dataStorageForJarPluginLoader: PluginDataStorage get() = MemoryPluginDataStorage()
+        override val configStorageForJarPluginLoader: PluginDataStorage
+            get() = TODO("Not yet implemented")
         override val dataStorageForBuiltIns: PluginDataStorage get() = MemoryPluginDataStorage()
+        override val consoleInput: ConsoleInput = object : ConsoleInput {
+            override suspend fun requestInput(hint: String): String {
+                println(hint)
+                return readLine() ?: error("No stdin")
+            }
+        }
+
+        override fun createLoginSolver(requesterBot: Long, configuration: BotConfiguration): LoginSolver =
+            LoginSolver.Default
+
+        override fun newLogger(identity: String?): MiraiLogger {
+            return DefaultLogger(identity)
+        }
+
         override val coroutineContext: CoroutineContext = SupervisorJob()
     }.start()
     CommandManager

frontend/mirai-console-pure/src/main/kotlin/net/mamoe/mirai/console/pure/ConsoleThread.kt

@@ -17,6 +17,7 @@ import net.mamoe.mirai.console.command.CommandExecuteStatus
 import net.mamoe.mirai.console.command.CommandManager
 import net.mamoe.mirai.console.command.CommandManager.INSTANCE.executeCommandDetailed
 import net.mamoe.mirai.console.util.ConsoleInternalAPI
+import net.mamoe.mirai.console.util.requestInput
 import net.mamoe.mirai.utils.DefaultLogger
 import org.fusesource.jansi.Ansi
 import java.util.*
@@ -50,11 +51,9 @@ internal fun startupConsoleThread() {
         val consoleLogger = DefaultLogger("console")
         while (isActive) {
             try {
-                val next = MiraiConsoleFrontEndPure.requestInput("").let {
+                val next = MiraiConsole.requestInput("").let {
                     when {
-                        it.startsWith(CommandManager.commandPrefix) -> {
-                            it
-                        }
+                        it.startsWith(CommandManager.commandPrefix) -> it
                         it == "?" -> CommandManager.commandPrefix + BuiltInCommands.Help.primaryName
                         else -> CommandManager.commandPrefix + it
                     }
@@ -71,7 +70,7 @@ internal fun startupConsoleThread() {
                         result.exception?.printStackTrace()
                     }
                     CommandExecuteStatus.COMMAND_NOT_FOUND -> {
-                        consoleLogger.warning("Unknown command: ${result.commandName}")
+                        consoleLogger.warning("未知指令: ${result.commandName}, 输入 ? 获取帮助")
                     }
                     CommandExecuteStatus.PERMISSION_DENIED -> {
                         consoleLogger.warning("Permission denied.")

frontend/mirai-console-pure/src/main/kotlin/net/mamoe/mirai/console/pure/MiraiConsoleFrontEndPure.kt

@@ -22,20 +22,13 @@ package net.mamoe.mirai.console.pure
 
 //import net.mamoe.mirai.console.command.CommandManager
 //import net.mamoe.mirai.console.utils.MiraiConsoleFrontEnd
-import io.ktor.utils.io.concurrent.*
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.withContext
-import net.mamoe.mirai.Bot
-import net.mamoe.mirai.console.MiraiConsoleFrontEnd
+import com.vdurmont.semver4j.Semver
+import net.mamoe.mirai.console.MiraiConsoleFrontEndDescription
 import net.mamoe.mirai.console.util.ConsoleInternalAPI
-import net.mamoe.mirai.utils.DefaultLoginSolver
-import net.mamoe.mirai.utils.LoginSolver
 import net.mamoe.mirai.utils.MiraiLogger
 import net.mamoe.mirai.utils.PlatformLogger
 import org.fusesource.jansi.Ansi
 import java.text.SimpleDateFormat
-import java.util.*
-import java.util.concurrent.ConcurrentHashMap
 
 private val ANSI_RESET = Ansi().reset().toString()
 
@@ -53,25 +46,7 @@ internal val LoggerCreator: (identity: String?) -> MiraiLogger = {
  */
 @ConsoleInternalAPI
 @Suppress("unused")
-object MiraiConsoleFrontEndPure : MiraiConsoleFrontEnd {
-    private val globalLogger = LoggerCreator("Mirai")
-    private val cachedLoggers = ConcurrentHashMap<String, MiraiLogger>()
-
-    // companion object {
-    // ANSI color codes
-    const val COLOR_RED = "\u001b[38;5;196m"
-    const val COLOR_CYAN = "\u001b[38;5;87m"
-    const val COLOR_GREEN = "\u001b[38;5;82m"
-
-    // use a dark yellow(more like orange) instead of light one to save Solarized-light users
-    const val COLOR_YELLOW = "\u001b[38;5;220m"
-    const val COLOR_GREY = "\u001b[38;5;244m"
-    const val COLOR_BLUE = "\u001b[38;5;27m"
-    const val COLOR_NAVY = "\u001b[38;5;24m" // navy uniform blue
-    const val COLOR_PINK = "\u001b[38;5;207m"
-    const val COLOR_RESET = "\u001b[39;49m"
-    // }
-
+object MiraiConsoleFrontEndPure : MiraiConsoleFrontEndDescription {
     internal val sdf by ThreadLocal.withInitial {
         // SimpleDateFormat not thread safe.
         SimpleDateFormat("HH:mm:ss")
@@ -81,32 +56,9 @@ object MiraiConsoleFrontEndPure : MiraiConsoleFrontEnd {
         return this.get()
     }
 
-    override val name: String
-        get() = "Pure"
-    override val version: String
-        get() = net.mamoe.mirai.console.internal.MiraiConsoleBuildConstants.version
-
-    override fun loggerFor(identity: String?): MiraiLogger {
-        identity?.apply {
-            return cachedLoggers.computeIfAbsent(this, LoggerCreator)
-        }
-        return globalLogger
-    }
-
-    override fun pushBot(bot: Bot) {
-    }
-
-    override suspend fun requestInput(hint: String): String {
-        return ConsoleUtils.miraiLineReader(hint)
-    }
-
-    override fun createLoginSolver(): LoginSolver {
-        return DefaultLoginSolver(
-            input = suspend {
-                requestInput("LOGIN> ")
-            }
-        )
-    }
+    override val name: String get() = "Pure"
+    override val version: Semver get() = net.mamoe.mirai.console.internal.MiraiConsoleBuildConstants.version
+    override val vendor: String get() = "Mamoe Technologies"
 }
 
 

frontend/mirai-console-pure/src/main/kotlin/net/mamoe/mirai/console/pure/MiraiConsoleImplementationPure.kt

@@ -22,10 +22,12 @@
 package net.mamoe.mirai.console.pure
 
 
+import com.vdurmont.semver4j.Semver
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.SupervisorJob
 import net.mamoe.mirai.console.ConsoleFrontEndImplementation
-import net.mamoe.mirai.console.MiraiConsoleFrontEnd
+import net.mamoe.mirai.console.MiraiConsole
+import net.mamoe.mirai.console.MiraiConsoleFrontEndDescription
 import net.mamoe.mirai.console.MiraiConsoleImplementation
 import net.mamoe.mirai.console.command.ConsoleCommandSender
 import net.mamoe.mirai.console.data.MultiFilePluginDataStorage
@@ -33,9 +35,15 @@ import net.mamoe.mirai.console.data.PluginDataStorage
 import net.mamoe.mirai.console.plugin.DeferredPluginLoader
 import net.mamoe.mirai.console.plugin.PluginLoader
 import net.mamoe.mirai.console.plugin.jvm.JarPluginLoader
+import net.mamoe.mirai.console.pure.ConsoleInputImpl.requestInput
+import net.mamoe.mirai.console.util.ConsoleInput
 import net.mamoe.mirai.console.util.ConsoleInternalAPI
+import net.mamoe.mirai.utils.BotConfiguration
+import net.mamoe.mirai.utils.DefaultLoginSolver
+import net.mamoe.mirai.utils.LoginSolver
 import net.mamoe.mirai.utils.MiraiLogger
-import java.io.File
+import java.nio.file.Path
+import java.nio.file.Paths
 import java.util.*
 
 /**
@@ -44,20 +52,43 @@ import java.util.*
  * @see MiraiConsoleFrontEndPure 前端实现
  * @see MiraiConsolePureLoader CLI 入口点
  */
-class MiraiConsoleImplementationPure
+internal class MiraiConsoleImplementationPure
 @JvmOverloads constructor(
-    override val rootDir: File = File("."),
+    override val rootPath: Path = Paths.get("."),
     override val builtInPluginLoaders: List<PluginLoader<*, *>> = Collections.unmodifiableList(
         listOf(DeferredPluginLoader { JarPluginLoader })
     ),
-    override val frontEnd: MiraiConsoleFrontEnd = MiraiConsoleFrontEndPure,
-    override val mainLogger: MiraiLogger = frontEnd.loggerFor("main"),
+    override val frontEndDescription: MiraiConsoleFrontEndDescription = ConsoleFrontEndDescImpl,
     override val consoleCommandSender: ConsoleCommandSender = ConsoleCommandSenderImpl,
-    override val dataStorageForJarPluginLoader: PluginDataStorage = MultiFilePluginDataStorage(File(rootDir, "data")),
-    override val dataStorageForBuiltIns: PluginDataStorage = MultiFilePluginDataStorage(File(rootDir, "data"))
+    override val dataStorageForJarPluginLoader: PluginDataStorage = MultiFilePluginDataStorage(rootPath.resolve("data")),
+    override val dataStorageForBuiltIns: PluginDataStorage = MultiFilePluginDataStorage(rootPath.resolve("data")),
+    override val configStorageForJarPluginLoader: PluginDataStorage = MultiFilePluginDataStorage(rootPath.resolve("config"))
 ) : MiraiConsoleImplementation, CoroutineScope by CoroutineScope(SupervisorJob()) {
-    init {
-        rootDir.mkdir()
-        require(rootDir.isDirectory) { "rootDir ${rootDir.absolutePath} is not a directory" }
+    override val mainLogger: MiraiLogger by lazy {
+        MiraiConsole.newLogger("main")
     }
+    override val consoleInput: ConsoleInput get() = ConsoleInputImpl
+
+    override fun createLoginSolver(requesterBot: Long, configuration: BotConfiguration): LoginSolver {
+        return DefaultLoginSolver(input = { requestInput("LOGIN> ") })
+    }
+
+    override fun newLogger(identity: String?): MiraiLogger = LoggerCreator(identity)
+
+    init {
+        with(rootPath.toFile()) {
+            mkdir()
+            require(isDirectory) { "rootDir $absolutePath is not a directory" }
+        }
+    }
+}
+
+private object ConsoleInputImpl : ConsoleInput {
+    override suspend fun requestInput(hint: String): String = ConsoleUtils.miraiLineReader(hint)
+}
+
+private object ConsoleFrontEndDescImpl : MiraiConsoleFrontEndDescription {
+    override val name: String get() = "Pure"
+    override val vendor: String get() = "Mamoe Technologies"
+    override val version: Semver = net.mamoe.mirai.console.internal.MiraiConsoleBuildConstants.version
 }

frontend/mirai-console-pure/src/main/kotlin/net/mamoe/mirai/console/pure/MiraiConsolePureLoader.kt

@@ -20,18 +20,9 @@
 
 package net.mamoe.mirai.console.pure
 
-import kotlinx.coroutines.runBlocking
-import net.mamoe.mirai.alsoLogin
-import net.mamoe.mirai.console.MiraiConsole
 import net.mamoe.mirai.console.MiraiConsoleImplementation.Companion.start
-import net.mamoe.mirai.console.command.CommandManager.INSTANCE.register
-import net.mamoe.mirai.console.command.CommandPermission
-import net.mamoe.mirai.console.command.CommandSender
 import net.mamoe.mirai.console.command.ConsoleCommandSender
-import net.mamoe.mirai.console.command.SimpleCommand
 import net.mamoe.mirai.console.util.ConsoleInternalAPI
-import net.mamoe.mirai.contact.Member
-import net.mamoe.mirai.contact.nameCardOrNick
 import net.mamoe.mirai.message.data.Message
 import net.mamoe.mirai.message.data.content
 import net.mamoe.mirai.utils.DefaultLogger
@@ -44,29 +35,12 @@ object MiraiConsolePureLoader {
     @JvmStatic
     fun main(args: Array<String>?) {
         startup()
-        YellowCommand.register()
-        runBlocking { MiraiConsole.addBot(1994701021, "Asd123456789asd").alsoLogin() }
-    }
-}
-
-object YellowCommand : SimpleCommand(
-    net.mamoe.mirai.console.command.ConsoleCommandOwner, "睡", "sleep",
-    prefixOptional = true,
-    description = "睡一个人",
-    permission = CommandPermission.Any
-) {
-    @Handler
-    suspend fun CommandSender.handle(target: Member) {
-        target.mute(1)
-
-        sendMessage("${this.name} 睡了 ${target.nameCardOrNick}")
     }
 }
 
 internal fun startup() {
-    DefaultLogger = { MiraiConsoleFrontEndPure.loggerFor(it) }
-    overrideSTD()
     MiraiConsoleImplementationPure().start()
+    overrideSTD()
     startupConsoleThread()
 }