Clover coverage report - Ant Coverage
Coverage timestamp: Tue Apr 8 2003 20:43:55 EST
file stats: LOC: 175   Methods: 9
NCLOC: 72   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
Jdk14RegexpMatcher.java 91.7% 90.9% 100% 92.6%
 1   
 /*
 2   
  * The Apache Software License, Version 1.1
 3   
  *
 4   
  * Copyright (c) 2001-2003 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 java.util.regex.Matcher;
 59   
 import java.util.regex.Pattern;
 60   
 import java.util.regex.PatternSyntaxException;
 61   
 import org.apache.tools.ant.BuildException;
 62   
 
 63   
 /**
 64   
  * Implementation of RegexpMatcher for the built-in regexp matcher of
 65   
  * JDK 1.4. UNIX_LINES option is enabled as a default.
 66   
  *
 67   
  * @author Stefan Bodewig 
 68   
  * @author Matthew Inger <a href="mailto:mattinger@mindless.com">mattinger@mindless.com</a>
 69   
  */
 70   
 public class Jdk14RegexpMatcher implements RegexpMatcher {
 71   
 
 72   
     private String pattern;
 73   
 
 74  31
     public Jdk14RegexpMatcher() {}
 75   
 
 76   
     /**
 77   
      * Set the regexp pattern from the String description.
 78   
      */
 79  51
     public void setPattern(String pattern) {
 80  51
         this.pattern = pattern;
 81   
     }
 82   
 
 83   
     /**
 84   
      * Get a String representation of the regexp pattern
 85   
      */
 86  3
     public String getPattern() {
 87  3
         return pattern;
 88   
     }
 89   
 
 90  75384
     protected Pattern getCompiledPattern(int options)
 91   
         throws BuildException {
 92  75384
         int cOptions = getCompilerOptions(options);
 93  75384
         try {
 94  75384
             Pattern p = Pattern.compile(this.pattern, cOptions);
 95  75384
             return p;
 96   
         } catch (PatternSyntaxException e) {
 97  0
             throw new BuildException(e);
 98   
         }
 99   
     }
 100   
 
 101   
     /**
 102   
      * Does the given argument match the pattern?
 103   
      */
 104  75347
     public boolean matches(String argument) throws BuildException {
 105  75347
         return matches(argument, MATCH_DEFAULT);
 106   
     }
 107   
 
 108   
     /**
 109   
      * Does the given argument match the pattern?
 110   
      */
 111  75370
     public boolean matches(String input, int options)
 112   
         throws BuildException {
 113  75370
         try {
 114  75370
             Pattern p = getCompiledPattern(options);
 115  75370
             return p.matcher(input).find();
 116   
         } catch (Exception e) {
 117  0
             throw new BuildException(e);
 118   
         }
 119   
     }
 120   
 
 121   
     /**
 122   
      * Returns a Vector of matched groups found in the argument.
 123   
      *
 124   
      * <p>Group 0 will be the full match, the rest are the
 125   
      * parenthesized subexpressions</p>.
 126   
      */
 127  8
     public Vector getGroups(String argument) throws BuildException {
 128  8
         return getGroups(argument, MATCH_DEFAULT);
 129   
     }
 130   
 
 131   
     /**
 132   
      * Returns a Vector of matched groups found in the argument.
 133   
      *
 134   
      * <p>Group 0 will be the full match, the rest are the
 135   
      * parenthesized subexpressions</p>.
 136   
      */
 137  8
     public Vector getGroups(String input, int options)
 138   
         throws BuildException {
 139  8
         Pattern p = getCompiledPattern(options);
 140  8
         Matcher matcher = p.matcher(input);
 141  8
         if (!matcher.find()) {
 142  0
             return null;
 143   
         }
 144  8
         Vector v = new Vector();
 145  8
         int cnt = matcher.groupCount();
 146  8
         for (int i = 0; i <= cnt; i++) {
 147  22
             String match = matcher.group(i);
 148   
             // treat non-matching groups as empty matches
 149  22
             if (match == null) {
 150  2
                 match = "";
 151   
             }
 152  22
             v.addElement(match);
 153   
         }
 154  8
         return v;
 155   
     }
 156   
 
 157  75384
     protected int getCompilerOptions(int options) {
 158   
         // be strict about line separator
 159  75384
         int cOptions = Pattern.UNIX_LINES;
 160   
 
 161  75384
         if (RegexpUtil.hasFlag(options, MATCH_CASE_INSENSITIVE)) {
 162  2
             cOptions |= Pattern.CASE_INSENSITIVE;
 163   
         }
 164  75384
         if (RegexpUtil.hasFlag(options, MATCH_MULTILINE)) {
 165  8
             cOptions |= Pattern.MULTILINE;
 166   
         }
 167  75384
         if (RegexpUtil.hasFlag(options, MATCH_SINGLELINE)) {
 168  8
             cOptions |= Pattern.DOTALL;
 169   
         }
 170   
 
 171  75384
         return cOptions;
 172   
     }
 173   
 
 174   
 }
 175