001    /**
002     * Implements the CFML Function arrayset
003     */
004    package railo.runtime.functions.arrays;
005    
006    import railo.runtime.PageContext;
007    import railo.runtime.exp.ExpressionException;
008    import railo.runtime.exp.PageException;
009    import railo.runtime.functions.BIF;
010    import railo.runtime.op.Caster;
011    import railo.runtime.op.Duplicator;
012    import railo.runtime.type.Array;
013    
014    public final class ArraySet extends BIF {
015    
016            private static final long serialVersionUID = -7804363479876538167L;
017    
018            public static boolean call(PageContext pc , Array array, double from, double to, Object value) throws PageException {
019                    int f=(int) from;
020                    int t=(int) to;
021                    if(f<1)
022                            throw new ExpressionException("Second parameter of the function arraySet must be greater than zero; now ["+f+"]");
023                    if(f>t)
024                            throw new ExpressionException("Third parameter of the function arraySet must be greater than the second parameter; now [second:"+f+", third:"+t+"]");
025                    if(array.getDimension()>1)
026                            throw new ExpressionException("Function arraySet can only be used with a one-dimensional array; this array has "+array.getDimension()+" dimensions");
027            for(int i=f;i<=t;i++) {
028                            array.setE(i,Duplicator.duplicate(value,true));
029                    }
030    
031                    return true;
032            }
033            
034            @Override
035            public Object invoke(PageContext pc, Object[] args) throws PageException {
036                    return call(pc,Caster.toArray(args[0]),Caster.toDoubleValue(args[1]),Caster.toDoubleValue(args[2]),args[3]);
037            }
038    }