144 lines
4.3 KiB
Java
144 lines
4.3 KiB
Java
package fr.pandacube.lib.cli;
|
|
|
|
import java.util.Arrays;
|
|
import java.util.Collections;
|
|
import java.util.List;
|
|
import java.util.concurrent.CompletableFuture;
|
|
|
|
import com.mojang.brigadier.arguments.ArgumentType;
|
|
import com.mojang.brigadier.builder.LiteralArgumentBuilder;
|
|
import com.mojang.brigadier.builder.RequiredArgumentBuilder;
|
|
import com.mojang.brigadier.context.CommandContext;
|
|
import com.mojang.brigadier.context.ParsedCommandNode;
|
|
import com.mojang.brigadier.suggestion.Suggestion;
|
|
import com.mojang.brigadier.suggestion.SuggestionProvider;
|
|
import com.mojang.brigadier.suggestion.Suggestions;
|
|
import com.mojang.brigadier.suggestion.SuggestionsBuilder;
|
|
import com.mojang.brigadier.tree.LiteralCommandNode;
|
|
|
|
import fr.pandacube.lib.core.chat.ChatStatic;
|
|
import fr.pandacube.lib.core.commands.SuggestionsSupplier;
|
|
import fr.pandacube.lib.core.util.Log;
|
|
import fr.pandacube.lib.core.util.ReflexionUtil;
|
|
|
|
public abstract class BrigadierCommand extends ChatStatic {
|
|
|
|
private LiteralCommandNode<Object> commandNode;
|
|
|
|
public BrigadierCommand() {
|
|
LiteralArgumentBuilder<Object> builder = buildCommand();
|
|
String[] aliases = getAliases();
|
|
if (aliases == null)
|
|
aliases = new String[0];
|
|
|
|
commandNode = BrigadierDispatcher.instance.register(builder);
|
|
|
|
|
|
for (String alias : aliases) {
|
|
BrigadierDispatcher.instance.register(literal(alias)
|
|
.requires(commandNode.getRequirement())
|
|
.executes(commandNode.getCommand())
|
|
.redirect(commandNode)
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
protected abstract LiteralArgumentBuilder<Object> buildCommand();
|
|
|
|
protected String[] getAliases() {
|
|
return new String[0];
|
|
}
|
|
|
|
|
|
|
|
|
|
public static LiteralArgumentBuilder<Object> literal(String name) {
|
|
return LiteralArgumentBuilder.literal(name);
|
|
}
|
|
|
|
public static <T> RequiredArgumentBuilder<Object, T> argument(String name, ArgumentType<T> type) {
|
|
return RequiredArgumentBuilder.argument(name, type);
|
|
}
|
|
|
|
|
|
public static boolean isLiteralParsed(CommandContext<Object> context, String literal) {
|
|
for (ParsedCommandNode<Object> node : context.getNodes()) {
|
|
if (!(node.getNode() instanceof LiteralCommandNode))
|
|
continue;
|
|
if (((LiteralCommandNode<Object>)node.getNode()).getLiteral().equals(literal))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public static <T> T tryGetArgument(CommandContext<Object> context, String argument, Class<T> type) {
|
|
return tryGetArgument(context, argument, type, null);
|
|
}
|
|
|
|
public static <T> T tryGetArgument(CommandContext<Object> context, String argument, Class<T> type, T deflt) {
|
|
try {
|
|
return context.getArgument(argument, type);
|
|
} catch (IllegalArgumentException e) {
|
|
return deflt;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
protected static SuggestionProvider<Object> wrapSuggestions(SuggestionsSupplier<Object> suggestions) {
|
|
return (context, builder) -> {
|
|
Object sender = context.getSource();
|
|
String message = builder.getInput();
|
|
try {
|
|
int tokenStartPos = builder.getStart();
|
|
|
|
List<String> results = Collections.emptyList();
|
|
|
|
int firstSpacePos = message.indexOf(" ");
|
|
String[] args = (firstSpacePos + 1 > tokenStartPos - 1) ? new String[0]
|
|
: message.substring(firstSpacePos + 1, tokenStartPos - 1).split(" ", -1);
|
|
args = Arrays.copyOf(args, args.length + 1);
|
|
args[args.length - 1] = message.substring(tokenStartPos);
|
|
|
|
results = suggestions.getSuggestions(sender, args.length - 1, args[args.length - 1], args);
|
|
|
|
for (String s : results) {
|
|
if (s != null)
|
|
builder.suggest(s);
|
|
}
|
|
} catch (Throwable e) {
|
|
Log.severe("Error while tab-completing '" + message/* + "' for " + sender.getName()*/, e);
|
|
}
|
|
return completableFutureSuggestionsKeepsOriginalOrdering(builder);
|
|
};
|
|
}
|
|
|
|
|
|
|
|
|
|
public static CompletableFuture<Suggestions> completableFutureSuggestionsKeepsOriginalOrdering(SuggestionsBuilder builder) {
|
|
return CompletableFuture.completedFuture(
|
|
BrigadierDispatcher.createSuggestionsOriginalOrdering(builder.getInput(), getSuggestionsFromSuggestionsBuilder(builder))
|
|
);
|
|
}
|
|
|
|
@SuppressWarnings("unchecked")
|
|
private static List<Suggestion> getSuggestionsFromSuggestionsBuilder(SuggestionsBuilder builder) {
|
|
try {
|
|
return (List<Suggestion>) ReflexionUtil.getDeclaredFieldValue(SuggestionsBuilder.class, builder, "result");
|
|
} catch (ReflectiveOperationException e) {
|
|
throw new RuntimeException(e);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
} |