mirror of
https://github.com/plexusorg/Plex-FAWE.git
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04c31262f7
This reduces the boilerplate code needed to parse arguments in each command, and reduces the need to maintain command documentation with @Command.
Example:
@Command(aliases = "/set", desc = "Set all the blocks inside the selection to a block")
@CommandPermissions("worldedit.region.set")
@Logging(REGION)
void setBlocks(LocalPlayer player, EditSession editSession, @Selection Region region, Pattern replaceWith) {
// Perform command
}
100 lines
3.4 KiB
Java
100 lines
3.4 KiB
Java
// $Id$
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/*
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* This file is a part of WorldEdit.
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* Copyright (c) sk89q <http://www.sk89q.com>
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* Copyright (c) the WorldEdit team and contributors
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*
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* This program is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.sk89q.rebar.command;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.List;
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import java.util.Set;
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import com.sk89q.minecraft.util.commands.CommandContext;
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import com.sk89q.minecraft.util.commands.CommandException;
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/**
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* A combination {@link Dispatcher} and {@link CommandCallable} that is backed by
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* a {@link SimpleDispatcher}.
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*
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* <p>The primary use of this is to make nested commands.</p>
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*/
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public class SimpleDispatcherCommand extends SimpleDispatcher implements CommandCallable {
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private final SimpleDescription description = new SimpleDescription();
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@Override
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public Set<Character> getValueFlags() {
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return Collections.emptySet();
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}
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@Override
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public void call(CommandContext context) throws CommandException {
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if (context.argsLength() >= 1) {
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super.call(context.getRemainingString(0), context.getLocals());
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} else {
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Set<String> aliases = getPrimaryAliases();
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if (aliases.size() == 0) {
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throw new InvalidUsageException(
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"This command is supposed to have sub-commands, " +
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"but it has no sub-commands.",
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getDescription());
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}
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StringBuilder builder = new StringBuilder();
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for (String alias : getPrimaryAliases()) {
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builder.append("\n- ").append(alias);
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}
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if (aliases.size() == 1) {
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builder.append(" (there is only one)");
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}
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throw new InvalidUsageException(
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"Select one of these subcommand(s):" + builder.toString(),
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getDescription());
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}
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}
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@Override
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public SimpleDescription getDescription() {
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return description;
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}
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@Override
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public Collection<String> getSuggestions(CommandContext context) throws CommandException {
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if (context.argsLength() == 0) {
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return super.getAllAliases();
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} else if (context.argsLength() == 1 &&
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context.getSuggestionContext().forLastValue()) {
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String prefix = context.getString(0).toLowerCase();
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List<String> suggestions = new ArrayList<String>();
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for (String alias : super.getAllAliases()) {
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if (alias.startsWith(prefix)) {
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suggestions.add(alias);
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}
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}
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return suggestions;
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}
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return super.getSuggestions(
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context.argsLength() > 1 ? context.getRemainingString(1) : "");
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}
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}
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