mirror of https://github.com/cabaletta/baritone
80 lines
2.7 KiB
Java
80 lines
2.7 KiB
Java
/*
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* This file is part of Baritone.
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*
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* Baritone is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Baritone is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser 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
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* along with Baritone. If not, see <https://www.gnu.org/licenses/>.
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*/
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package baritone.command.argument;
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import baritone.api.command.argument.ICommandArgument;
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import baritone.api.command.exception.CommandInvalidArgumentException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* @author LoganDark
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*/
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public final class CommandArguments {
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private CommandArguments() {}
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private static final Pattern ARG_PATTERN = Pattern.compile("\\S+");
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/**
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* Turn a string into a list of {@link ICommandArgument}s. This is needed because of {@link ICommandArgument#getRawRest()}
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*
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* @param string The string to convert
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* @param preserveEmptyLast If the string ends with whitespace, add an empty {@link ICommandArgument} to the end This
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* is useful for tab completion
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* @return A list of {@link ICommandArgument}s
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*/
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public static List<ICommandArgument> from(String string, boolean preserveEmptyLast) {
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List<ICommandArgument> args = new ArrayList<>();
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Matcher argMatcher = ARG_PATTERN.matcher(string);
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int lastEnd = -1;
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while (argMatcher.find()) {
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args.add(new CommandArgument(
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args.size(),
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argMatcher.group(),
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string.substring(argMatcher.start())
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));
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lastEnd = argMatcher.end();
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}
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if (preserveEmptyLast && lastEnd < string.length()) {
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args.add(new CommandArgument(args.size(), "", ""));
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}
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return args;
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}
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/**
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* @see #from(String, boolean)
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*/
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public static List<ICommandArgument> from(String string) {
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return from(string, false);
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}
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/**
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* Returns an "unknown" {@link CommandArgument}. This shouldn't be used unless you absolutely have no information -
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* ESPECIALLY not with {@link CommandInvalidArgumentException}s
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*
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* @return The unknown {@link CommandArgument}
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*/
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public static CommandArgument unknown() {
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return new CommandArgument(-1, "<unknown>", "");
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}
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}
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