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annotate src/org/tmatesoft/hg/repo/ext/HgExtensionsManager.java @ 709:497e697636fc

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Report merged lines as changed block if possible, not as a sequence of added/deleted blocks. To facilitate access to merge parent lines AddBlock got mergeLineAt() method that reports index of the line in the second parent (if any), while insertedAt() has been changed to report index in the first parent always
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 21 Aug 2013 16:23:27 +0200
parents d2f6ab541330
children
rev   line source
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1 /*
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2 * Copyright (c) 2012 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.repo.ext;
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18
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19 import org.tmatesoft.hg.internal.Internals;
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20 import org.tmatesoft.hg.repo.HgRepoConfig;
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21
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22 /**
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23 *
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24 * @author Artem Tikhomirov
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25 * @author TMate Software Ltd.
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26 */
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27 public abstract class HgExtensionsManager {
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28
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29 public enum HgExt {
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30 MQ ("mq"), Rebase("rebase");
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31
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32 private final String mercurialExtName;
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33
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34 private HgExt(String nativeName) {
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35 mercurialExtName = nativeName;
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36 }
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37
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38 String getNativeName() {
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39 return mercurialExtName;
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40 }
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41 }
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42
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43 private final Internals repo;
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44 private MqManager mqExt;
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45 private Rebase rebaseExt;
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46
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47 protected HgExtensionsManager(Internals internalRepo) {
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48 repo = internalRepo;
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49 }
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50
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51 public boolean isEnabled(HgExt e) {
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52 HgRepoConfig cfg = repo.getRepo().getConfiguration();
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53 return cfg.getExtensions().isEnabled(e.getNativeName());
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54 }
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55
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56 public Rebase getRebaseExtension() {
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57 if (rebaseExt == null && isEnabled(HgExt.Rebase)) {
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58 rebaseExt = new Rebase(repo);
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59 }
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60 return rebaseExt;
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61 }
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62
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63 public MqManager getMQ() {
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64 if (mqExt == null && isEnabled(HgExt.MQ)) {
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65 mqExt = new MqManager(repo);
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66 }
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67 return mqExt;
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68 }
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69 }