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 rereplace
021 */
022package lucee.runtime.functions.string;
023
024import lucee.runtime.PageContext;
025import lucee.runtime.exp.ExpressionException;
026import lucee.runtime.exp.FunctionException;
027import lucee.runtime.exp.PageException;
028import lucee.runtime.functions.BIF;
029import lucee.runtime.op.Caster;
030import lucee.runtime.regex.Perl5Util;
031
032import org.apache.oro.text.regex.MalformedPatternException;
033
034public final class REReplace extends BIF {
035
036        private static final long serialVersionUID = -1140669656936340678L;
037
038        public static String call(String string, String regExp, String replace) throws ExpressionException { // MUST is this really needed?
039            try {
040                        return Perl5Util.replace(string,regExp,replace,true,false);
041                } catch (MalformedPatternException e) {
042                        throw new ExpressionException("reReplace"+"second"+"regularExpression"+e.getMessage());
043                }
044        }
045        public static String call(PageContext pc , String string, String regExp, String replace) throws ExpressionException {
046            try {
047                        return Perl5Util.replace(string,regExp,replace,true,false);
048                } catch (MalformedPatternException e) {
049                        throw new FunctionException(pc,"reReplace",2,"regularExpression",e.getMessage());
050                }
051        }
052        public static String call(PageContext pc , String string, String regExp, String replace, String scope) throws ExpressionException {
053                try {
054                        if(scope.equalsIgnoreCase("all"))return Perl5Util.replace(string,regExp,replace,true,true);
055                        return Perl5Util.replace(string,regExp,replace,true,false);
056                } catch (MalformedPatternException e) {
057                    throw new FunctionException(pc,"reReplace",2,"regularExpression",e.getMessage());
058                }
059        }
060
061    @Override
062        public Object invoke(PageContext pc, Object[] args) throws PageException {
063        if(args.length==3)
064                        return call(pc, Caster.toString(args[0]), Caster.toString(args[1]), Caster.toString(args[2]));
065        if(args.length==4)
066                        return call(pc, Caster.toString(args[0]), Caster.toString(args[1]), Caster.toString(args[2]), Caster.toString(args[3]));
067        
068                throw new FunctionException(pc, "REReplace", 3, 4, args.length);
069        }
070
071}
072