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 listlen 021 */ 022package lucee.runtime.functions.list; 023 024import lucee.runtime.PageContext; 025import lucee.runtime.exp.FunctionException; 026import lucee.runtime.exp.PageException; 027import lucee.runtime.functions.BIF; 028import lucee.runtime.op.Caster; 029import lucee.runtime.type.util.ListUtil; 030 031public final class ListLen extends BIF { 032 033 private static final long serialVersionUID = -592317399255505765L; 034 035 public static double call(PageContext pc , String list) { 036 return ListUtil.len(list,',',true); 037 } 038 public static double call(PageContext pc , String list, String delimter) { 039 return ListUtil.len(list,delimter,true); 040 } 041 public static double call(PageContext pc , String list, String delimter, boolean includeEmptyFields) { 042 return ListUtil.len(list,delimter,!includeEmptyFields); 043 } 044 045 @Override 046 public Object invoke(PageContext pc, Object[] args) throws PageException { 047 if(args.length==1) 048 return call(pc, Caster.toString(args[0])); 049 if(args.length==2) 050 return call(pc, Caster.toString(args[0]), Caster.toString(args[1])); 051 if(args.length==3) 052 return call(pc, Caster.toString(args[0]), Caster.toString(args[1]), Caster.toBooleanValue(args[2])); 053 054 throw new FunctionException(pc, "ListFirst", 1, 3, args.length); 055 } 056 057 058 059 060}