// $Id: StartsWithFunction.java,v 1.1 2002/04/25 18:11:32 bill Exp $

package com.jclark.xsl.expr;

import com.jclark.xsl.om.*;

class StartsWithFunction extends Function2 {
    ConvertibleExpr makeCallExpr(ConvertibleExpr e1, ConvertibleExpr e2) throws ParseException {
        final StringExpr se1 = e1.makeStringExpr();
        final StringExpr se2 = e2.makeStringExpr();
        return new ConvertibleBooleanExpr() {
                public boolean eval(Node node, ExprContext context) throws XSLException {
                    return se1.eval(node, context).startsWith(se2.eval(node, context));
                }
            };
    }
}