67 lines
3.0 KiB
Java
67 lines
3.0 KiB
Java
package carpet.utils;
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import carpet.CarpetServer;
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import joptsimple.OptionParser;
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import joptsimple.OptionSet;
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import joptsimple.OptionSpec;
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import net.fabricmc.api.DedicatedServerModInitializer;
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import net.fabricmc.loader.api.FabricLoader;
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import java.io.IOException;
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import java.io.PrintStream;
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import java.lang.System;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.Arrays;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* Provides a command line interface to generate a dump with all rules
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* in a pretty markdown format to a specified file, with an optional
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* category filter
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*
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*/
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public class CarpetRulePrinter implements DedicatedServerModInitializer {
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@Override
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public void onInitializeServer() {
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// When launching, we use the "--" separator to prevent the game rejecting to launch because of unknown options
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// Clear it in case it's present given else our option parser would also ignore them!
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String[] args = Arrays.stream(FabricLoader.getInstance().getLaunchArguments(true)).filter(opt -> !opt.equals("--")).toArray(String[]::new);
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// Prepare an OptionParser for our parameters
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OptionParser parser = new OptionParser();
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OptionSpec<Void> shouldDump = parser.accepts("carpetDumpRules");
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OptionSpec<String> pathSpec = parser.accepts("dumpPath").withRequiredArg();
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OptionSpec<String> filterSpec = parser.accepts("dumpFilter").withRequiredArg();
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parser.allowsUnrecognizedOptions(); // minecraft may need more stuff later that we don't want to special-case
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OptionSet options = parser.parse(args);
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// If our flag isn't set, continue regular launch
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if (!options.has(shouldDump)) return;
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Logger logger = LoggerFactory.getLogger("Carpet Rule Printer");
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logger.info("Starting in rule dump mode...");
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// at this point, onGameStarted() already ran given it as an entrypoint runs before
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PrintStream outputStream;
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try {
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Path path = Path.of(options.valueOf(pathSpec)).toAbsolutePath();
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logger.info("Printing rules to: " + path);
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Files.createDirectories(path.getParent());
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outputStream = new PrintStream(Files.newOutputStream(path));
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} catch (IOException e) {
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throw new IllegalArgumentException("Invalid path passed, or something went very wrong", e);
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}
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// Ensure translations fallbacks have been generated given we run before the validator that ensures that has.
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// Remove after removing old setting system, given there'll be no fallbacks
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Translations.updateLanguage();
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String filter = options.valueOf(filterSpec);
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if (filter != null) logger.info("Applying category filter: " + filter);
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CarpetServer.settingsManager.dumpAllRulesToStream(outputStream, filter);
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outputStream.close();
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logger.info("Rules have been printed");
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System.exit(0);
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}
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}
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