Clover coverage report - Ant Coverage
Coverage timestamp: Tue Apr 8 2003 20:43:55 EST
file stats: LOC: 163   Methods: 9
NCLOC: 68   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
JakartaRegexpMatcher.java 91.7% 90.3% 88.9% 90.4%
 1   
 /*
 2   
  * The Apache Software License, Version 1.1
 3   
  *
 4   
  * Copyright (c) 2000-2003 The Apache Software Foundation.  All rights 
 5   
  * reserved.
 6   
  *
 7   
  * Redistribution and use in source and binary forms, with or without
 8   
  * modification, are permitted provided that the following conditions
 9   
  * are met:
 10   
  *
 11   
  * 1. Redistributions of source code must retain the above copyright
 12   
  *    notice, this list of conditions and the following disclaimer.
 13   
  *
 14   
  * 2. Redistributions in binary form must reproduce the above copyright
 15   
  *    notice, this list of conditions and the following disclaimer in
 16   
  *    the documentation and/or other materials provided with the
 17   
  *    distribution.
 18   
  *
 19   
  * 3. The end-user documentation included with the redistribution, if
 20   
  *    any, must include the following acknowlegement:
 21   
  *       "This product includes software developed by the
 22   
  *        Apache Software Foundation (http://www.apache.org/)."
 23   
  *    Alternately, this acknowlegement may appear in the software itself,
 24   
  *    if and wherever such third-party acknowlegements normally appear.
 25   
  *
 26   
  * 4. The names "Ant" and "Apache Software
 27   
  *    Foundation" must not be used to endorse or promote products derived
 28   
  *    from this software without prior written permission. For written
 29   
  *    permission, please contact apache@apache.org.
 30   
  *
 31   
  * 5. Products derived from this software may not be called "Apache"
 32   
  *    nor may "Apache" appear in their names without prior written
 33   
  *    permission of the Apache Group.
 34   
  *
 35   
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 36   
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 37   
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 38   
  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 39   
  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 40   
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 41   
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 42   
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 43   
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 44   
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 45   
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 46   
  * SUCH DAMAGE.
 47   
  * ====================================================================
 48   
  *
 49   
  * This software consists of voluntary contributions made by many
 50   
  * individuals on behalf of the Apache Software Foundation.  For more
 51   
  * information on the Apache Software Foundation, please see
 52   
  * <http://www.apache.org/>.
 53   
  */
 54   
 
 55   
 package org.apache.tools.ant.util.regexp;
 56   
 
 57   
 import java.util.Vector;
 58   
 import org.apache.regexp.RE;
 59   
 import org.apache.regexp.RESyntaxException;
 60   
 import org.apache.tools.ant.BuildException;
 61   
 
 62   
 /**
 63   
  * Implementation of RegexpMatcher for Jakarta-Regexp.
 64   
  *
 65   
  * @author Stefan Bodewig 
 66   
  * @author Matthew Inger <a href="mailto:mattinger@mindless.com">mattinger@mindless.com</a>
 67   
  */
 68   
 public class JakartaRegexpMatcher implements RegexpMatcher {
 69   
 
 70   
     private String pattern;
 71   
 
 72   
     /**
 73   
      * Set the regexp pattern from the String description.
 74   
      */
 75  45
     public void setPattern(String pattern) {
 76  45
         this.pattern = pattern;
 77   
     }
 78   
 
 79   
     /**
 80   
      * Get a String representation of the regexp pattern
 81   
      */
 82  0
     public String getPattern() {
 83  0
         return pattern;
 84   
     }
 85   
 
 86  87
     protected RE getCompiledPattern(int options)
 87   
         throws BuildException {
 88  87
         int cOptions = getCompilerOptions(options);
 89  87
         try {
 90  87
             RE reg = new RE(pattern);
 91  87
             reg.setMatchFlags(cOptions);
 92  87
             return reg;
 93   
         } catch (RESyntaxException e) {
 94  0
             throw new BuildException(e);
 95   
         }
 96   
     }
 97   
 
 98   
     /**
 99   
      * Does the given argument match the pattern?
 100   
      */
 101  59
     public boolean matches(String argument) throws BuildException {
 102  59
         return matches(argument, MATCH_DEFAULT);
 103   
     }
 104   
 
 105   
     /**
 106   
      * Does the given argument match the pattern?
 107   
      */
 108  73
     public boolean matches(String input, int options)
 109   
         throws BuildException {
 110  73
         return matches(input, getCompiledPattern(options));
 111   
     }
 112   
 
 113  84
     private boolean matches(String input, RE reg) {
 114  84
         return reg.match(input);
 115   
     }
 116   
 
 117   
     /**
 118   
      * Returns a Vector of matched groups found in the argument.
 119   
      *
 120   
      * <p>Group 0 will be the full match, the rest are the
 121   
      * parenthesized subexpressions</p>.
 122   
      */
 123  8
     public Vector getGroups(String argument) throws BuildException {
 124  8
         return getGroups(argument, MATCH_DEFAULT);
 125   
     }
 126   
 
 127  11
     public Vector getGroups(String input, int options)
 128   
         throws BuildException {
 129  11
         RE reg = getCompiledPattern(options);
 130  11
         if (!matches(input, reg)) {
 131  0
             return null;
 132   
         }
 133  11
         Vector v = new Vector();
 134  11
         int cnt = reg.getParenCount();
 135  11
         for (int i = 0; i < cnt; i++) {
 136  31
             String match = reg.getParen(i);
 137   
             // treat non-matching groups as empty matches
 138  31
             if (match == null) {
 139  2
                 match = "";
 140   
             }
 141  31
             v.addElement(match);
 142   
         }
 143  11
         return v;
 144   
     }
 145   
 
 146  87
     protected int getCompilerOptions(int options) {
 147  87
         int cOptions = RE.MATCH_NORMAL;
 148   
 
 149  87
         if (RegexpUtil.hasFlag(options, MATCH_CASE_INSENSITIVE)) {
 150  2
             cOptions |= RE.MATCH_CASEINDEPENDENT;
 151   
         }
 152  87
         if (RegexpUtil.hasFlag(options, MATCH_MULTILINE)) {
 153  6
             cOptions |= RE.MATCH_MULTILINE;
 154   
         }
 155  87
         if (RegexpUtil.hasFlag(options, MATCH_SINGLELINE)) {
 156  6
             cOptions |= RE.MATCH_SINGLELINE;
 157   
         }
 158   
 
 159  87
         return cOptions;
 160   
     }
 161   
 
 162   
 }
 163