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 stripcr 021 */ 022package lucee.runtime.functions.other; 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; 029 030public final class StripCr extends BIF { 031 032 private static final long serialVersionUID = 1101162964675776635L; 033 034 public static String call(PageContext pc , String string) { 035 StringBuilder sb=new StringBuilder(string.length()); 036 int start=0; 037 int pos=0; 038 039 while((pos=string.indexOf('\r',start))!=-1) { 040 sb.append(string.substring(start,pos)); 041 start=pos+1; 042 } 043 if(start<string.length())sb.append(string.substring(start,string.length())); 044 045 return sb.toString(); 046 } 047 048 @Override 049 public Object invoke(PageContext pc, Object[] args) throws PageException { 050 if(args.length==1) 051 return call(pc, Caster.toString(args[0])); 052 053 throw new FunctionException(pc, "StripCr", 1, 1, args.length); 054 } 055}