CommandHistory.java

net.minecraft.client.CommandHistory

信息

• 全限定名：net.minecraft.client.CommandHistory
• 类型：public class
• 包：net.minecraft.client
• 源码路径：src/main/java/net/minecraft/client/CommandHistory.java
• 起始行号：L17
• 职责：

  TODO

字段/常量

• LOGGER

  • 类型: Logger
  • 修饰符: private static final
  • 源码定位: L18
  • 说明:

    TODO

• MAX_PERSISTED_COMMAND_HISTORY

  • 类型: int
  • 修饰符: private static final
  • 源码定位: L19
  • 说明:

    TODO

• PERSISTED_COMMANDS_FILE_NAME

  • 类型: String
  • 修饰符: private static final
  • 源码定位: L20
  • 说明:

    TODO

• commandsPath

  • 类型: Path
  • 修饰符: private final
  • 源码定位: L21
  • 说明:

    TODO

• lastCommands

  • 类型: ArrayListDeque<String>
  • 修饰符: private final
  • 源码定位: L22
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

public CommandHistory(Path gameFolder) @ L24

• 构造器名：CommandHistory
• 源码定位：L24
• 修饰符：public

参数:

• gameFolder: Path

说明:

TODO

方法

下面的方法块按源码顺序生成。

public void addCommand(String command) @ L35

• 方法名：addCommand
• 源码定位：L35
• 返回类型：void
• 修饰符：public

参数:

• command: String

说明:

TODO

private void save() @ L46

• 方法名：save
• 源码定位：L46
• 返回类型：void
• 修饰符：private

参数:

• 无

说明:

TODO

public Collection<String> history() @ L57

• 方法名：history
• 源码定位：L57
• 返回类型：Collection
• 修饰符：public

参数:

• 无

说明:

TODO

代码

@OnlyIn(Dist.CLIENT)
public class CommandHistory {
    private static final Logger LOGGER = LogUtils.getLogger();
    private static final int MAX_PERSISTED_COMMAND_HISTORY = 50;
    private static final String PERSISTED_COMMANDS_FILE_NAME = "command_history.txt";
    private final Path commandsPath;
    private final ArrayListDeque<String> lastCommands = new ArrayListDeque<>(50);
 
    public CommandHistory(Path gameFolder) {
        this.commandsPath = gameFolder.resolve("command_history.txt");
        if (Files.exists(this.commandsPath)) {
            try (BufferedReader reader = Files.newBufferedReader(this.commandsPath, StandardCharsets.UTF_8)) {
                this.lastCommands.addAll(reader.lines().toList());
            } catch (Exception var7) {
                LOGGER.error("Failed to read {}, command history will be missing", "command_history.txt", var7);
            }
        }
    }
 
    public void addCommand(String command) {
        if (!command.equals(this.lastCommands.peekLast())) {
            if (this.lastCommands.size() >= 50) {
                this.lastCommands.removeFirst();
            }
 
            this.lastCommands.addLast(command);
            this.save();
        }
    }
 
    private void save() {
        try (BufferedWriter writer = Files.newBufferedWriter(this.commandsPath, StandardCharsets.UTF_8)) {
            for (String command : this.lastCommands) {
                writer.write(command);
                writer.newLine();
            }
        } catch (IOException var6) {
            LOGGER.error("Failed to write {}, command history will be missing", "command_history.txt", var6);
        }
    }
 
    public Collection<String> history() {
        return this.lastCommands;
    }
}

引用的其他类

• ArrayListDeque
  • 引用位置: 字段