perf: 终端相关优化

0. 终端的颜色显示模式和样式加入配置文件
1. 使得在终端不可用的情况下程序可以继续执行

src/main/kotlin/subit/config/LoggerConfig.kt

@@ -4,6 +4,8 @@ import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.Transient
 import net.mamoe.yamlkt.Comment
+import subit.console.ColorDisplayMode
+import subit.console.Console
 import subit.logger.ForumLogger
 import java.util.logging.Level
 import java.util.logging.LogRecord
@@ -20,10 +22,15 @@ data class LoggerConfig(
     val levelName: String,
     @Comment("是否在日志中显示日志名称")
     val showLoggerName: Boolean,
+    @Comment("日志的颜色样式, 可选值: RGB, SIMPLE, NONE")
+    val color: ColorDisplayMode,
+    @Comment("是否在日志中使用样式(加粗, 斜体, 下划线等)")
+    val effect: Boolean
 )
 {
     @Transient
     val level: Level = Level.parse(levelName)
+
     @Transient
     val pattern: Pattern = Pattern.compile(matchers.joinToString("|") { "($it)" })
 
@@ -32,6 +39,12 @@ data class LoggerConfig(
 
 var loggerConfig: LoggerConfig by config(
     "logger.yml",
-    LoggerConfig(listOf(), true, "INFO", false),
-    { _, new -> ForumLogger.globalLogger.logger.setLevel(new.level) }
+    LoggerConfig(listOf(), true, "INFO", false, ColorDisplayMode.RGB, true),
+    { _, new ->
+        ForumLogger.globalLogger.logger.setLevel(new.level)
+        Console.ansiEffectMode =
+            if (new.effect) subit.console.EffectDisplayMode.ON
+            else subit.console.EffectDisplayMode.OFF
+        Console.ansiColorMode = new.color
+    }
 )

src/main/kotlin/subit/console/Console.kt

@@ -9,7 +9,7 @@ import org.jline.widget.AutopairWidgets
 import org.jline.widget.AutosuggestionWidgets
 import subit.console.command.CommandSet
 import subit.console.command.CommandSet.err
-import subit.logger.ForumLogger
+import subit.logger.ForumLogger.nativeOut
 import subit.utils.FileUtils
 import subit.utils.Power
 import sun.misc.Signal
@@ -23,12 +23,13 @@ object Console
     /**
      * 终端对象
      */
-    private val terminal: Terminal = TerminalBuilder.builder().jansi(true).build()
+    private val terminal: Terminal?
 
     /**
      * 颜色显示模式
      */
     var ansiColorMode: ColorDisplayMode = ColorDisplayMode.RGB
+
     /**
      * 效果显示模式
      */
@@ -37,29 +38,51 @@ object Console
     /**
      * 命令行读取器,命令补全为[CommandSet.CommandCompleter],命令历史保存在[historyFile]中
      */
-    val lineReader: LineReader = LineReaderBuilder.builder()
-        .terminal(terminal)
-        .completer(CommandSet.CommandCompleter)
-        .variable(LineReader.HISTORY_FILE, historyFile)
-        .build()
+    val lineReader: LineReader?
 
     init
     {
         Signal.handle(Signal("INT")) { onUserInterrupt() }
+        var terminal: Terminal? = null
+        var lineReader: LineReader? = null
+        try
+        {
+            terminal = TerminalBuilder.builder().jansi(true).build()
+            if (terminal.type == "dumb")
+            {
+                terminal.close()
+                terminal = null
+                throw IllegalStateException("Unsupported terminal type: dumb")
+            }
+            lineReader = LineReaderBuilder.builder()
+                .terminal(terminal)
+                .completer(CommandSet.CommandCompleter)
+                .variable(LineReader.HISTORY_FILE, historyFile)
+                .build()
 
-        // 自动配对(小括号/中括号/大括号/引号等)
-        val autopairWidgets = AutopairWidgets(lineReader, true)
-        autopairWidgets.enable()
-        // 根据历史记录建议
-        val autosuggestionWidgets = AutosuggestionWidgets(lineReader)
-        autosuggestionWidgets.enable()
+            // 自动配对(小括号/中括号/大括号/引号等)
+            val autopairWidgets = AutopairWidgets(lineReader, true)
+            autopairWidgets.enable()
+            // 根据历史记录建议
+            val autosuggestionWidgets = AutosuggestionWidgets(lineReader)
+            autosuggestionWidgets.enable()
+        }
+        catch (e: Throwable)
+        {
+            terminal?.close()
+            err.println("Failed to initialize terminal, will use system console instead.")
+        }
+        this.terminal = terminal
+        this.lineReader = lineReader
     }
 
     fun onUserInterrupt()
     {
         err.println("You might have pressed Ctrl+C or performed another operation to stop the server.")
-        err.println("This method is feasible but not recommended," +
-                    " it should only be used when a command-line system error prevents the program from closing.")
+        err.println(
+            "This method is feasible but not recommended, " +
+            "it should only be used when a command-line system error prevents the program from closing."
+        )
         err.println("If you want to stop the server, please use the \"stop\" command.")
         Power.shutdown(0, "User interrupt")
     }
@@ -68,20 +91,30 @@ object Console
      * 命令历史文件
      */
     private val historyFile: File
-        get() = File(FileUtils.dataFolder,"command_history.txt")
+        get() = File(FileUtils.dataFolder, "command_history.txt")
 
     /**
      * 在终端上打印一行, 会自动换行并下移命令提升符和已经输入的命令
      */
-    fun println(o: Any) = if (lineReader.isReading) lineReader.printAbove("\r$o") else terminal.writer().println(o)
+    fun println(o: Any)
+    {
+        if (lineReader != null)
+        {
+            if (lineReader.isReading)
+                lineReader.printAbove("\r$o")
+            else
+                terminal!!.writer().println(o)
+        }
+        else nativeOut.println(o)
+    }
 
     /**
      * 清空终端
      */
     fun clear()
     {
-        ForumLogger.nativeOut.print("\u001bc")
-        lineReader as LineReaderImpl
-        if (lineReader.isReading) lineReader.redrawLine()
+        nativeOut.print("\u001bc")
+        if (lineReader is LineReaderImpl && lineReader.isReading)
+            lineReader.redrawLine()
     }
 }

src/main/kotlin/subit/console/command/CommandSet.kt

@@ -52,6 +52,7 @@ object CommandSet: TreeCommand(
 
     fun Application.startCommandThread() = CoroutineScope(Dispatchers.IO).launch()
     {
+        if (Console.lineReader == null) return@launch
         var line: String? = null
         while (true) try
         {
@@ -115,7 +116,7 @@ object CommandSet: TreeCommand(
         {
             if (b == '\n'.code)
             {
-                Console.println("${SimpleAnsiColor.PURPLE.bright()}[COMMAND]$style$level$RESET $arrayOutputStream")
+                Console.println("${SimpleAnsiColor.PURPLE.bright()}[COMMAND]$style$level$RESET $arrayOutputStream$RESET")
                 arrayOutputStream.reset()
             }
             else

src/main/kotlin/subit/logger/ForumLogger.kt

@@ -300,7 +300,7 @@ object ToFileHandler: Handler()
 
     private fun check()
     {
-        if ((cnt ushr 10) > 0) new()
+        if ((cnt ushr 10) != 0) new()
     }
 
     private fun append(lines: List<String>) = synchronized(this)