From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Jason Penilla <11360596+jpenilla@users.noreply.github.com> Date: Tue, 30 Mar 2021 16:06:08 -0700 Subject: [PATCH] Enhance console tab completions for brigadier commands diff --git a/src/main/java/com/destroystokyo/paper/console/PaperConsole.java b/src/main/java/com/destroystokyo/paper/console/PaperConsole.java index a4070b59e261f0f1ac4beec47b11492f4724bf27..c5d5648f4ca603ef2b1df723b58f9caf4dd3c722 100644 --- a/src/main/java/com/destroystokyo/paper/console/PaperConsole.java +++ b/src/main/java/com/destroystokyo/paper/console/PaperConsole.java @@ -16,11 +16,15 @@ public final class PaperConsole extends SimpleTerminalConsole { @Override protected LineReader buildReader(LineReaderBuilder builder) { - return super.buildReader(builder + builder .appName("Paper") .variable(LineReader.HISTORY_FILE, java.nio.file.Paths.get(".console_history")) .completer(new ConsoleCommandCompleter(this.server)) - ); + .option(LineReader.Option.COMPLETE_IN_WORD, true); + if (io.papermc.paper.configuration.GlobalConfiguration.get().console.enableBrigadierHighlighting) { + builder.highlighter(new io.papermc.paper.console.BrigadierCommandHighlighter(this.server)); + } + return super.buildReader(builder); } @Override diff --git a/src/main/java/io/papermc/paper/console/BrigadierCommandCompleter.java b/src/main/java/io/papermc/paper/console/BrigadierCommandCompleter.java new file mode 100644 index 0000000000000000000000000000000000000000..0627c98cae0b5ebdd71a849ae1299d7d3d581850 --- /dev/null +++ b/src/main/java/io/papermc/paper/console/BrigadierCommandCompleter.java @@ -0,0 +1,99 @@ +package io.papermc.paper.console; + +import com.destroystokyo.paper.event.server.AsyncTabCompleteEvent.Completion; +import com.google.common.base.Suppliers; +import com.mojang.brigadier.CommandDispatcher; +import com.mojang.brigadier.ParseResults; +import com.mojang.brigadier.StringReader; +import com.mojang.brigadier.suggestion.Suggestion; +import io.papermc.paper.adventure.PaperAdventure; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; +import java.util.function.Supplier; +import net.minecraft.commands.CommandSourceStack; +import net.minecraft.network.chat.ComponentUtils; +import net.minecraft.server.dedicated.DedicatedServer; +import org.checkerframework.checker.nullness.qual.NonNull; +import org.jline.reader.Candidate; +import org.jline.reader.LineReader; +import org.jline.reader.ParsedLine; + +import static com.destroystokyo.paper.event.server.AsyncTabCompleteEvent.Completion.completion; + +public final class BrigadierCommandCompleter { + private final Supplier commandSourceStack; + private final DedicatedServer server; + + public BrigadierCommandCompleter(final @NonNull DedicatedServer server) { + this.server = server; + this.commandSourceStack = Suppliers.memoize(this.server::createCommandSourceStack); + } + + public void complete(final @NonNull LineReader reader, final @NonNull ParsedLine line, final @NonNull List candidates, final @NonNull List existing) { + //noinspection ConstantConditions + if (this.server.overworld() == null) { // check if overworld is null, as worlds haven't been loaded yet + return; + } else if (!io.papermc.paper.configuration.GlobalConfiguration.get().console.enableBrigadierCompletions) { + this.addCandidates(candidates, Collections.emptyList(), existing); + return; + } + final CommandDispatcher dispatcher = this.server.getCommands().getDispatcher(); + final ParseResults results = dispatcher.parse(prepareStringReader(line.line()), this.commandSourceStack.get()); + this.addCandidates( + candidates, + dispatcher.getCompletionSuggestions(results, line.cursor()).join().getList(), + existing + ); + } + + private void addCandidates( + final @NonNull List candidates, + final @NonNull List brigSuggestions, + final @NonNull List existing + ) { + final List completions = new ArrayList<>(); + brigSuggestions.forEach(it -> completions.add(toCompletion(it))); + for (final Completion completion : existing) { + if (completion.suggestion().isEmpty() || brigSuggestions.stream().anyMatch(it -> it.getText().equals(completion.suggestion()))) { + continue; + } + completions.add(completion); + } + for (final Completion completion : completions) { + if (completion.suggestion().isEmpty()) { + continue; + } + candidates.add(toCandidate(completion)); + } + } + + private static @NonNull Candidate toCandidate(final @NonNull Completion completion) { + final String suggestionText = completion.suggestion(); + final String suggestionTooltip = PaperAdventure.PLAIN.serializeOr(completion.tooltip(), null); + return new Candidate( + suggestionText, + suggestionText, + null, + suggestionTooltip, + null, + null, + false + ); + } + + private static @NonNull Completion toCompletion(final @NonNull Suggestion suggestion) { + if (suggestion.getTooltip() == null) { + return completion(suggestion.getText()); + } + return completion(suggestion.getText(), PaperAdventure.asAdventure(ComponentUtils.fromMessage(suggestion.getTooltip()))); + } + + static @NonNull StringReader prepareStringReader(final @NonNull String line) { + final StringReader stringReader = new StringReader(line); + if (stringReader.canRead() && stringReader.peek() == '/') { + stringReader.skip(); + } + return stringReader; + } +} diff --git a/src/main/java/io/papermc/paper/console/BrigadierCommandHighlighter.java b/src/main/java/io/papermc/paper/console/BrigadierCommandHighlighter.java new file mode 100644 index 0000000000000000000000000000000000000000..dd9d77d7c7f1a5a130a1f4c15e5b1e68ae3753e1 --- /dev/null +++ b/src/main/java/io/papermc/paper/console/BrigadierCommandHighlighter.java @@ -0,0 +1,70 @@ +package io.papermc.paper.console; + +import com.google.common.base.Suppliers; +import com.mojang.brigadier.ParseResults; +import com.mojang.brigadier.context.ParsedCommandNode; +import com.mojang.brigadier.tree.LiteralCommandNode; +import java.util.function.Supplier; +import java.util.regex.Pattern; +import net.minecraft.commands.CommandSourceStack; +import net.minecraft.server.dedicated.DedicatedServer; +import org.checkerframework.checker.nullness.qual.NonNull; +import org.jline.reader.Highlighter; +import org.jline.reader.LineReader; +import org.jline.utils.AttributedString; +import org.jline.utils.AttributedStringBuilder; +import org.jline.utils.AttributedStyle; + +public final class BrigadierCommandHighlighter implements Highlighter { + private static final int[] COLORS = {AttributedStyle.CYAN, AttributedStyle.YELLOW, AttributedStyle.GREEN, AttributedStyle.MAGENTA, /* Client uses GOLD here, not BLUE, however there is no GOLD AttributedStyle. */ AttributedStyle.BLUE}; + private final Supplier commandSourceStack; + private final DedicatedServer server; + + public BrigadierCommandHighlighter(final @NonNull DedicatedServer server) { + this.server = server; + this.commandSourceStack = Suppliers.memoize(this.server::createCommandSourceStack); + } + + @Override + public AttributedString highlight(final @NonNull LineReader reader, final @NonNull String buffer) { + //noinspection ConstantConditions + if (this.server.overworld() == null) { // check if overworld is null, as worlds haven't been loaded yet + return new AttributedString(buffer, AttributedStyle.DEFAULT.foreground(AttributedStyle.RED)); + } + final AttributedStringBuilder builder = new AttributedStringBuilder(); + final ParseResults results = this.server.getCommands().getDispatcher().parse(BrigadierCommandCompleter.prepareStringReader(buffer), this.commandSourceStack.get()); + int pos = 0; + if (buffer.startsWith("/")) { + builder.append("/", AttributedStyle.DEFAULT); + pos = 1; + } + int component = -1; + for (final ParsedCommandNode node : results.getContext().getLastChild().getNodes()) { + if (node.getRange().getStart() >= buffer.length()) { + break; + } + final int start = node.getRange().getStart(); + final int end = Math.min(node.getRange().getEnd(), buffer.length()); + builder.append(buffer.substring(pos, start), AttributedStyle.DEFAULT); + if (node.getNode() instanceof LiteralCommandNode) { + builder.append(buffer.substring(start, end), AttributedStyle.DEFAULT); + } else { + if (++component >= COLORS.length) { + component = 0; + } + builder.append(buffer.substring(start, end), AttributedStyle.DEFAULT.foreground(COLORS[component])); + } + pos = end; + } + if (pos < buffer.length()) { + builder.append((buffer.substring(pos)), AttributedStyle.DEFAULT.foreground(AttributedStyle.RED)); + } + return builder.toAttributedString(); + } + + @Override + public void setErrorPattern(final Pattern errorPattern) {} + + @Override + public void setErrorIndex(final int errorIndex) {} +} diff --git a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java index b32820ead6d5f9c78f3b6dee3c598060e371dbd6..df17422d17053e400ff14ef92b2d4aa61bf6d06d 100644 --- a/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java +++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java @@ -178,7 +178,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface thread.setDaemon(true); thread.setUncaughtExceptionHandler(new DefaultUncaughtExceptionHandler(DedicatedServer.LOGGER)); - thread.start(); + // thread.start(); // Paper - moved down DedicatedServer.LOGGER.info("Starting minecraft server version {}", SharedConstants.getCurrentVersion().getName()); if (Runtime.getRuntime().maxMemory() / 1024L / 1024L < 512L) { DedicatedServer.LOGGER.warn("To start the server with more ram, launch it as \"java -Xmx1024M -Xms1024M -jar minecraft_server.jar\""); @@ -210,6 +210,7 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface this.getPlayerList().loadAndSaveFiles(); // Must be after convertNames // Paper end - moved up org.spigotmc.WatchdogThread.doStart(org.spigotmc.SpigotConfig.timeoutTime, org.spigotmc.SpigotConfig.restartOnCrash); + thread.start(); // Paper - start console thread after MinecraftServer.console & PaperConfig are initialized io.papermc.paper.command.PaperCommands.registerCommands(this); com.destroystokyo.paper.Metrics.PaperMetrics.startMetrics(); com.destroystokyo.paper.VersionHistoryManager.INSTANCE.getClass(); // load version history now diff --git a/src/main/java/org/bukkit/craftbukkit/command/ConsoleCommandCompleter.java b/src/main/java/org/bukkit/craftbukkit/command/ConsoleCommandCompleter.java index 14cd8ae69d9b25dc5edad4ff96ff4a9acb1f22cb..cd4ad8261e56365850068db1d83d6a8454026737 100644 --- a/src/main/java/org/bukkit/craftbukkit/command/ConsoleCommandCompleter.java +++ b/src/main/java/org/bukkit/craftbukkit/command/ConsoleCommandCompleter.java @@ -18,9 +18,11 @@ import org.bukkit.event.server.TabCompleteEvent; public class ConsoleCommandCompleter implements Completer { private final DedicatedServer server; // Paper - CraftServer -> DedicatedServer + private final io.papermc.paper.console.BrigadierCommandCompleter brigadierCompleter; // Paper public ConsoleCommandCompleter(DedicatedServer server) { // Paper - CraftServer -> DedicatedServer this.server = server; + this.brigadierCompleter = new io.papermc.paper.console.BrigadierCommandCompleter(this.server); // Paper } // Paper start - Change method signature for JLine update @@ -64,7 +66,7 @@ public class ConsoleCommandCompleter implements Completer { } } - if (!completions.isEmpty()) { + if (false && !completions.isEmpty()) { for (final com.destroystokyo.paper.event.server.AsyncTabCompleteEvent.Completion completion : completions) { if (completion.suggestion().isEmpty()) { continue; @@ -80,6 +82,7 @@ public class ConsoleCommandCompleter implements Completer { )); } } + this.addCompletions(reader, line, candidates, completions); return; } @@ -99,10 +102,12 @@ public class ConsoleCommandCompleter implements Completer { try { List offers = waitable.get(); if (offers == null) { + this.addCompletions(reader, line, candidates, Collections.emptyList()); // Paper return; // Paper - Method returns void } // Paper start - JLine update + /* for (String completion : offers) { if (completion.isEmpty()) { continue; @@ -110,6 +115,8 @@ public class ConsoleCommandCompleter implements Completer { candidates.add(new Candidate(completion)); } + */ + this.addCompletions(reader, line, candidates, offers.stream().map(com.destroystokyo.paper.event.server.AsyncTabCompleteEvent.Completion::completion).collect(java.util.stream.Collectors.toList())); // Paper end // Paper start - JLine handles cursor now @@ -138,5 +145,9 @@ public class ConsoleCommandCompleter implements Completer { } return false; } + + private void addCompletions(final LineReader reader, final ParsedLine line, final List candidates, final List existing) { + this.brigadierCompleter.complete(reader, line, candidates, existing); + } // Paper end }