Paper/patches/server/0615-Enhance-console-tab-completions-for-brigadier-comman.patch
2022-07-21 20:53:04 +01:00

286 lines
14 KiB
Diff

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..b0390eedb507d27426d1e1d73bd4ab63aec89ebe 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, this.server.createCommandSourceStack()));
+ }
+ 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..5fee12b106a50f7c92c9ecf8256d5e12aec64260
--- /dev/null
+++ b/src/main/java/io/papermc/paper/console/BrigadierCommandCompleter.java
@@ -0,0 +1,95 @@
+package io.papermc.paper.console;
+
+import com.destroystokyo.paper.event.server.AsyncTabCompleteEvent.Completion;
+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 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 java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+import static com.destroystokyo.paper.event.server.AsyncTabCompleteEvent.Completion.completion;
+
+public final class BrigadierCommandCompleter {
+ private final CommandSourceStack commandSourceStack;
+ private final DedicatedServer server;
+
+ public BrigadierCommandCompleter(final @NonNull DedicatedServer server, final @NonNull CommandSourceStack commandSourceStack) {
+ this.server = server;
+ this.commandSourceStack = commandSourceStack;
+ }
+
+ public void complete(final @NonNull LineReader reader, final @NonNull ParsedLine line, final @NonNull List<Candidate> candidates, final @NonNull List<Completion> existing) {
+ if (!io.papermc.paper.configuration.GlobalConfiguration.get().console.enableBrigadierCompletions) {
+ this.addCandidates(candidates, Collections.emptyList(), existing);
+ return;
+ }
+ final CommandDispatcher<CommandSourceStack> dispatcher = this.server.getCommands().getDispatcher();
+ final ParseResults<CommandSourceStack> results = dispatcher.parse(prepareStringReader(line.line()), this.commandSourceStack);
+ this.addCandidates(
+ candidates,
+ dispatcher.getCompletionSuggestions(results, line.cursor()).join().getList(),
+ existing
+ );
+ }
+
+ private void addCandidates(
+ final @NonNull List<Candidate> candidates,
+ final @NonNull List<Suggestion> brigSuggestions,
+ final @NonNull List<Completion> existing
+ ) {
+ final List<Completion> 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..5ab8365b806dd035800ba9b449c9bc9233772d13
--- /dev/null
+++ b/src/main/java/io/papermc/paper/console/BrigadierCommandHighlighter.java
@@ -0,0 +1,64 @@
+package io.papermc.paper.console;
+
+import com.mojang.brigadier.ParseResults;
+import com.mojang.brigadier.context.ParsedCommandNode;
+import com.mojang.brigadier.tree.LiteralCommandNode;
+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 CommandSourceStack commandSourceStack;
+ private final DedicatedServer server;
+
+ public BrigadierCommandHighlighter(final @NonNull DedicatedServer server, final @NonNull CommandSourceStack commandSourceStack) {
+ this.server = server;
+ this.commandSourceStack = commandSourceStack;
+ }
+
+ @Override
+ public AttributedString highlight(final @NonNull LineReader reader, final @NonNull String buffer) {
+ final AttributedStringBuilder builder = new AttributedStringBuilder();
+ final ParseResults<CommandSourceStack> results = this.server.getCommands().getDispatcher().parse(BrigadierCommandCompleter.prepareStringReader(buffer), this.commandSourceStack);
+ int pos = 0;
+ if (buffer.startsWith("/")) {
+ builder.append("/", AttributedStyle.DEFAULT);
+ pos = 1;
+ }
+ int component = -1;
+ for (final ParsedCommandNode<CommandSourceStack> 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 7a2ef21a78c25e18ed61bd989b759783d89b54d5..17d71eeca335fb7c9b56c4ef80a4499def5789cb 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..b3484487fa8baa4d1dd6c595586fb26a01a2153d 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, this.server.createCommandSourceStack()); // 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<String> 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<Candidate> candidates, final List<com.destroystokyo.paper.event.server.AsyncTabCompleteEvent.Completion> existing) {
+ this.brigadierCompleter.complete(reader, line, candidates, existing);
+ }
// Paper end
}