| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2000-2002 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.oro.text.regex.MatchResult; |
| import org.apache.oro.text.regex.Pattern; |
| import org.apache.oro.text.regex.Perl5Compiler; |
| import org.apache.oro.text.regex.Perl5Matcher; |
| |
| |
| |
| import java.util.Vector; |
| |
| /** |
| * Implementation of RegexpMatcher for Jakarta-ORO. |
| * |
| * @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a> |
| * @author <a href="mailto:mattinger@mindless.com">Matthew Inger</a> |
| */ |
| public class JakartaOroMatcher implements RegexpMatcher { |
| |
| private String pattern; |
| protected final Perl5Compiler compiler = new Perl5Compiler(); |
| protected final Perl5Matcher matcher = new Perl5Matcher(); |
| |
| public JakartaOroMatcher() {} |
| |
| /** |
| * Set the regexp pattern from the String description. |
| */ |
| public void setPattern(String pattern) { |
| this.pattern = pattern; |
| } |
| |
| /** |
| * Get a String representation of the regexp pattern |
| */ |
| public String getPattern() { |
| return this.pattern; |
| } |
| |
| /** |
| * Get a compiled representation of the regexp pattern |
| */ |
| protected Pattern getCompiledPattern(int options) |
| throws BuildException { |
| try { |
| // compute the compiler options based on the input options first |
| Pattern p = compiler.compile(pattern, getCompilerOptions(options)); |
| return p; |
| } catch (Exception e) { |
| throw new BuildException(e); |
| } |
| } |
| |
| /** |
| * Does the given argument match the pattern? |
| */ |
| public boolean matches(String argument) throws BuildException { |
| return matches(argument, MATCH_DEFAULT); |
| } |
| |
| /** |
| * Does the given argument match the pattern? |
| */ |
| public boolean matches(String input, int options) |
| throws BuildException { |
| Pattern p = getCompiledPattern(options); |
| return matcher.contains(input, p); |
| } |
| |
| /** |
| * Returns a Vector of matched groups found in the argument. |
| * |
| * <p>Group 0 will be the full match, the rest are the |
| * parenthesized subexpressions</p>. |
| */ |
| public Vector getGroups(String argument) throws BuildException { |
| return getGroups(argument, MATCH_DEFAULT); |
| } |
| |
| /** |
| * Returns a Vector of matched groups found in the argument. |
| * |
| * <p>Group 0 will be the full match, the rest are the |
| * parenthesized subexpressions</p>. |
| */ |
| public Vector getGroups(String input, int options) |
| throws BuildException { |
| if (!matches(input, options)) { |
| return null; |
| } |
| Vector v = new Vector(); |
| MatchResult mr = matcher.getMatch(); |
| int cnt = mr.groups(); |
| for (int i = 0; i < cnt; i++) { |
| v.addElement(mr.group(i)); |
| } |
| return v; |
| } |
| |
| protected int getCompilerOptions(int options) { |
| int cOptions = Perl5Compiler.DEFAULT_MASK; |
| |
| if (RegexpUtil.hasFlag(options, MATCH_CASE_INSENSITIVE)) { |
| cOptions |= Perl5Compiler.CASE_INSENSITIVE_MASK; |
| } |
| if (RegexpUtil.hasFlag(options, MATCH_MULTILINE)) { |
| cOptions |= Perl5Compiler.MULTILINE_MASK; |
| } |
| if (RegexpUtil.hasFlag(options, MATCH_SINGLELINE)) { |
| cOptions |= Perl5Compiler.SINGLELINE_MASK; |
| } |
| |
| return cOptions; |
| } |
| |
| } |