| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2001-2002 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| package org.apache.tools.ant.util.regexp; |
| |
| |
| import org.apache.tools.ant.BuildException; |
| import org.apache.regexp.RE; |
| import java.util.Vector; |
| |
| /*** |
| * Regular expression implementation using the Jakarta Regexp package |
| * @author Matthew Inger <a href="mailto:mattinger@mindless.com">mattinger@mindless.com</a> |
| */ |
| public class JakartaRegexpRegexp extends JakartaRegexpMatcher |
| implements Regexp { |
| |
| public JakartaRegexpRegexp() { |
| super(); |
| } |
| |
| protected int getSubsOptions(int options) { |
| int subsOptions = RE.REPLACE_FIRSTONLY; |
| if (RegexpUtil.hasFlag(options, REPLACE_ALL)) { |
| subsOptions = RE.REPLACE_ALL; |
| } |
| return subsOptions; |
| } |
| |
| public String substitute(String input, String argument, int options) |
| throws BuildException { |
| Vector v = getGroups(input, options); |
| |
| // replace \1 with the corresponding group |
| StringBuffer result = new StringBuffer(); |
| for (int i = 0; i < argument.length(); i++) { |
| char c = argument.charAt(i); |
| if (c == '\\') { |
| if (++i < argument.length()) { |
| c = argument.charAt(i); |
| int value = Character.digit(c, 10); |
| if (value > -1) { |
| result.append((String) v.elementAt(value)); |
| } else { |
| result.append(c); |
| } |
| } else { |
| // XXX - should throw an exception instead? |
| result.append('\\'); |
| } |
| } else { |
| result.append(c); |
| } |
| } |
| argument = result.toString(); |
| |
| RE reg = getCompiledPattern(options); |
| int sOptions = getSubsOptions(options); |
| return reg.subst(input, argument, sOptions); |
| } |
| } |