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 arrayset
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.op.Duplicator;
030import lucee.runtime.type.Array;
031
032public final class ArraySet extends BIF {
033
034        private static final long serialVersionUID = -7804363479876538167L;
035
036        public static boolean call(PageContext pc , Array array, double from, double to, Object value) throws PageException {
037                int f=(int) from;
038                int t=(int) to;
039                if(f<1)
040                        throw new ExpressionException("Second parameter of the function arraySet must be greater than zero; now ["+f+"]");
041                if(f>t)
042                        throw new ExpressionException("Third parameter of the function arraySet must be greater than the second parameter; now [second:"+f+", third:"+t+"]");
043                if(array.getDimension()>1)
044                        throw new ExpressionException("Function arraySet can only be used with a one-dimensional array; this array has "+array.getDimension()+" dimensions");
045        for(int i=f;i<=t;i++) {
046                        array.setE(i,Duplicator.duplicate(value,true));
047                }
048
049                return true;
050        }
051        
052        @Override
053        public Object invoke(PageContext pc, Object[] args) throws PageException {
054                return call(pc,Caster.toArray(args[0]),Caster.toDoubleValue(args[1]),Caster.toDoubleValue(args[2]),args[3]);
055        }
056}