97 lines
2.5 KiB
Java
97 lines
2.5 KiB
Java
package net.minecraft.client;
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import com.google.common.base.Charsets;
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import com.mojang.logging.LogUtils;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.nio.file.LinkOption;
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import java.nio.file.Path;
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import java.util.Collection;
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import net.fabricmc.api.EnvType;
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import net.fabricmc.api.Environment;
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import net.minecraft.util.ArrayListDeque;
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import org.slf4j.Logger;
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@Environment(EnvType.CLIENT)
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public class CommandHistory {
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private static final Logger LOGGER = LogUtils.getLogger();
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private static final int MAX_PERSISTED_COMMAND_HISTORY = 50;
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private static final String PERSISTED_COMMANDS_FILE_NAME = "command_history.txt";
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private final Path commandsPath;
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private final ArrayListDeque<String> lastCommands = new ArrayListDeque<>(50);
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public CommandHistory(Path path) {
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this.commandsPath = path.resolve("command_history.txt");
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if (Files.exists(this.commandsPath, new LinkOption[0])) {
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try {
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BufferedReader bufferedReader = Files.newBufferedReader(this.commandsPath, Charsets.UTF_8);
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try {
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this.lastCommands.addAll(bufferedReader.lines().toList());
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} catch (Throwable var6) {
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if (bufferedReader != null) {
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try {
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bufferedReader.close();
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} catch (Throwable var5) {
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var6.addSuppressed(var5);
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}
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}
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throw var6;
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}
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if (bufferedReader != null) {
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bufferedReader.close();
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}
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} catch (Exception var7) {
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LOGGER.error("Failed to read {}, command history will be missing", "command_history.txt", var7);
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}
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}
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}
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public void addCommand(String command) {
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if (!command.equals(this.lastCommands.peekLast())) {
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if (this.lastCommands.size() >= 50) {
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this.lastCommands.removeFirst();
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}
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this.lastCommands.addLast(command);
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this.save();
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}
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}
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private void save() {
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try {
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BufferedWriter bufferedWriter = Files.newBufferedWriter(this.commandsPath, Charsets.UTF_8);
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try {
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for (String string : this.lastCommands) {
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bufferedWriter.write(string);
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bufferedWriter.newLine();
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}
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} catch (Throwable var5) {
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if (bufferedWriter != null) {
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try {
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bufferedWriter.close();
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} catch (Throwable var4) {
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var5.addSuppressed(var4);
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}
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}
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throw var5;
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}
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if (bufferedWriter != null) {
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bufferedWriter.close();
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}
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} catch (IOException var6) {
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LOGGER.error("Failed to write {}, command history will be missing", "command_history.txt", var6);
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}
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}
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public Collection<String> history() {
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return this.lastCommands;
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}
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}
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