001/**
002 *
003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
004 *
005 * This library is free software; you can redistribute it and/or
006 * modify it under the terms of the GNU Lesser General Public
007 * License as published by the Free Software Foundation; either 
008 * version 2.1 of the License, or (at your option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013 * Lesser General Public License for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public 
016 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
017 * 
018 **/
019/**
020 * Implements the CFML Function ArrayReverse
021 */
022package lucee.runtime.functions.arrays;
023
024import lucee.runtime.PageContext;
025import lucee.runtime.exp.ExpressionException;
026import lucee.runtime.exp.PageException;
027import lucee.runtime.functions.BIF;
028import lucee.runtime.op.Caster;
029import lucee.runtime.type.Array;
030import lucee.runtime.type.ArrayImpl;
031
032
033public final class ArrayReverse extends BIF {
034
035        private static final long serialVersionUID = 5418304787535992180L;
036
037        public static Array call(PageContext pc , Array array) throws ExpressionException {
038                Array rev=new ArrayImpl(array.getDimension());
039                int len=array.size();
040                for(int i=0;i<len;i++) {
041                        try {
042                                rev.setE(len-i,array.getE(i+1));
043                        } catch (PageException e) {
044                        }
045                }
046                return rev;
047        }       
048        
049        @Override
050        public Object invoke(PageContext pc, Object[] args) throws PageException {
051                return call(pc,Caster.toArray(args[0]));
052        }
053}