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 paragraphformat 021 */ 022package lucee.runtime.functions.displayFormatting; 023 024import lucee.runtime.PageContext; 025import lucee.runtime.ext.function.Function; 026 027public final class ParagraphFormat implements Function { 028 public static String call(PageContext pc , String str) { 029 StringBuilder sb = new StringBuilder(str.length()); 030 char[] chars=str.toCharArray(); 031 boolean flag = false; 032 033 for(int i=0; i<chars.length; i++) { 034 char c = chars[i]; 035 switch(c) { 036 case '\r': 037 if(i + 1 < chars.length && chars[i+1]=='\r') flag = false; 038 sb.append(' '); 039 break; 040 041 case '\n': 042 if(flag) { 043 sb.append(" <P>\r\n"); 044 flag = false; 045 } 046 else { 047 sb.append(' '); 048 flag = true; 049 } 050 break; 051 default: 052 sb.append(c); 053 flag = false; 054 break; 055 } 056 } 057 sb.append(" <P>"); 058 return sb.toString(); 059 } 060}