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annotate src/classes/java/util/regex/Matcher.java @ 0:61d41facf527

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initial v8 import (history reset)
author Peter Mehlitz <Peter.C.Mehlitz@nasa.gov>
date Fri, 23 Jan 2015 10:14:01 -0800
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1 /*
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2 * Copyright (C) 2014, United States Government, as represented by the
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3 * Administrator of the National Aeronautics and Space Administration.
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4 * All rights reserved.
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5 *
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6 * The Java Pathfinder core (jpf-core) platform is licensed under the
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7 * Apache License, Version 2.0 (the "License"); you may not use this file except
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8 * in compliance with the License. You may obtain a copy of the License at
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9 *
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10 * http://www.apache.org/licenses/LICENSE-2.0.
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11 *
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12 * Unless required by applicable law or agreed to in writing, software
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13 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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15 * See the License for the specific language governing permissions and
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16 * limitations under the License.
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17 */
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18
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19 package java.util.regex;
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20
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21 /**
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22 * model of a regular expression matcher, to save memory and execution time
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23 */
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24 public class Matcher {
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25
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26 // this is the same trick like java.text.Format - avoiding a native
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27 // memory leak by means of overwriting a JPF state tracked index value
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28 // (well, it's still a leak since it never gets recycled unless we add a
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29 // finalizer, but it should be much less serious)
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30 static int nInstances;
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31 private int id = nInstances++; // just for peer implementation purposes
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32
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33 Pattern pattern;
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34 String input; // that's an approximation (don't use CharSequence on the native side)
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35
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36 Matcher() {
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37 }
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38
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39 Matcher (Pattern pattern, CharSequence inp){
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40 this.pattern = pattern;
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41 this.input = inp.toString();
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42
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43 register();
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44 }
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45
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46 public Pattern pattern() {
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47 return pattern;
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48 }
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49
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50 native void register();
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51
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52 public native Matcher reset();
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53
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54 public String group() {
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55 return group(0);
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56 }
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57
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58 public native String group(int group);
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59
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60 public native int groupCount();
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61
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62 public Matcher reset(CharSequence inp) {
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63 this.input = inp.toString();
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64 return reset();
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65 }
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66
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67 public native boolean matches();
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68
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69 public native boolean find();
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70
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71 public native boolean lookingAt();
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72
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73 public int start() {
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74 return start(0);
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75 }
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76
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77 public native int start(int group);
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78
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79 public int end() {
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80 return end(0);
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81 }
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82
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83 public native int end(int group);
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84
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85 public native boolean hasTransparentBounds();
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86
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87 public native Matcher useTransparentBounds(boolean b);
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88
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89 public native boolean hasAnchoringBounds();
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90
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91 public native Matcher useAnchoringBounds(boolean b);
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92
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93 public native int regionStart();
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94
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95 public native int regionEnd();
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96
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97 public native Matcher region(int start, int end);
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98
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99 public static native String quoteReplacement(String abc);
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100
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101 public native String replaceAll(String replacement);
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102
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103 public native String replaceFirst(String replacement);
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104
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105 @Override
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106 public native String toString();
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107
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108 public native boolean hitEnd();
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109
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110 public native boolean requireEnd();
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111
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112 // TODO public native MatchResult toMatchResult();
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113 // TODO public native StringBuffer appendTail(StringBuffer sb);
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114 // TODO public native Matcher appendReplacement(StringBuffer sb, String replacement);
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115 }