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annotate test/org/tmatesoft/hg/test/OutputParser.java @ 655:bcbcc318f250

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Performance: reuse unzip output buffer
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 04 Jul 2013 18:36:38 +0200
parents ab21ac7dd833
children
rev   line source
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1 /*
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2 * Copyright (c) 2011-2013 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.test;
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18
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19 import java.util.Iterator;
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20 import java.util.NoSuchElementException;
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21 import java.util.regex.Matcher;
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22 import java.util.regex.Pattern;
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23
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24 /**
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25 *
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26 * @author Artem Tikhomirov
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27 * @author TMate Software Ltd.
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28 */
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29 public interface OutputParser {
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31 public void parse(CharSequence seq);
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33 public class Stub implements OutputParser {
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34 private boolean shallDump;
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35 private CharSequence result;
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36
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37 public Stub() {
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38 this(false);
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39 }
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40 public Stub(boolean dump) {
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41 shallDump = dump;
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42 }
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43 public void parse(CharSequence seq) {
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44 result = seq;
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45 if (shallDump) {
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46 System.out.println(seq);
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47 }
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48 // else no-op
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49 }
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50 public CharSequence result() {
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51 return result;
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52 }
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53 public void reset() {
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54 result = null;
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55 }
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56
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57 public Iterable<String> lines() {
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58 return lines(Pattern.compile("(.+)$", Pattern.MULTILINE), 1);
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59 }
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60 public Iterable<String> lines(Pattern pattern, final int group) {
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61 final Matcher m = pattern.matcher(result);
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62 class S implements Iterable<String>, Iterator<String> {
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63 public Iterator<String> iterator() {
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64 return this;
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65 }
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66 private boolean next;
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67 {
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68 next = m.find();
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69 }
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70
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71 public boolean hasNext() {
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72 return next;
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73 }
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75 public String next() {
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76 if (next) {
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77 String rv = m.group(group);
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78 next = m.find();
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79 return rv;
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80 }
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81 throw new NoSuchElementException();
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82 }
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83
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84 public void remove() {
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85 throw new UnsupportedOperationException();
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86 }
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87 };
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88 return new S();
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89 }
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90 }
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91 }