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 spanexcluding 021 */ 022package lucee.runtime.functions.string; 023 024import java.util.StringTokenizer; 025 026import lucee.runtime.PageContext; 027import lucee.runtime.exp.FunctionException; 028import lucee.runtime.exp.PageException; 029import lucee.runtime.functions.BIF; 030import lucee.runtime.op.Caster; 031 032public final class SpanExcluding extends BIF { 033 034 private static final long serialVersionUID = -2597389089930732011L; 035 036 public static String call(PageContext pc , String str, String set) { 037 StringTokenizer stringtokenizer = new StringTokenizer(str, set); 038 039 if(stringtokenizer.hasMoreTokens()){ 040 String rtn = stringtokenizer.nextToken(); 041 int i = str.indexOf(rtn); 042 if(i != 0) 043 return ""; 044 return rtn; 045 } 046 return ""; 047 } 048 049 @Override 050 public Object invoke(PageContext pc, Object[] args) throws PageException { 051 if(args.length==2) 052 return call(pc, Caster.toString(args[0]), Caster.toString(args[1])); 053 054 throw new FunctionException(pc, "SpanExcluding", 2, 2, args.length); 055 } 056}