/** * This file is part of Skript. * * Skript is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Skript is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Skript. If not, see <http://www.gnu.org/licenses/>. * * * Copyright 2011-2017 Peter Güttinger and contributors */ package ch.njol.skript.expressions; import ch.njol.skript.Skript; import ch.njol.skript.doc.Description; import ch.njol.skript.doc.Examples; import ch.njol.skript.doc.Name; import ch.njol.skript.doc.Since; import ch.njol.skript.lang.Expression; import ch.njol.skript.lang.ExpressionType; import ch.njol.skript.lang.SkriptParser; import ch.njol.skript.lang.util.SimpleExpression; import ch.njol.skript.util.Date; import ch.njol.skript.util.Timespan; import ch.njol.util.Kleenean; import org.bukkit.event.Event; import org.eclipse.jdt.annotation.Nullable; @Name("Date Ago/Later") @Description("A date the specified timespan before/after another date.") @Examples({"set {_yesterday} to 1 day ago"}) @Since("2.2-dev33") public class ExprDateAgoLater extends SimpleExpression<Date> { static { Skript.registerExpression(ExprDateAgoLater.class, Date.class, ExpressionType.COMBINED, "%timespan% (ago|in the past|before [the] [date] %-date%)", "%timespan% (later|(from|after) [the] [date] %-date%)"); } @SuppressWarnings("null") private Expression<Timespan> timespan; @SuppressWarnings("null") private Expression<Date> date; @SuppressWarnings("null") private boolean ago; @Nullable @Override protected Date[] get(Event e) { Timespan timespan = this.timespan.getSingle(e); Date date = this.date == null ? new Date() : this.date.getSingle(e); if (timespan == null || date == null) { return null; } if (ago) { date.subtract(timespan); } else { date.add(timespan); } return new Date[]{date}; } @Override public boolean isSingle() { return true; } @Override public Class<? extends Date> getReturnType() { return Date.class; } @Override public String toString(@Nullable Event e, boolean debug) { return timespan.toString(e, debug) + " " + (ago ? "ago" : "later"); } @SuppressWarnings({"unchecked", "null"}) @Override public boolean init(Expression<?>[] exprs, int matchedPattern, Kleenean isDelayed, SkriptParser.ParseResult parseResult) { timespan = (Expression<Timespan>) exprs[0]; date = (Expression<Date>) exprs[1]; ago = matchedPattern == 0; return true; } }