Mercurial > hg4j
annotate src/org/tmatesoft/hg/repo/HgManifest.java @ 96:ace7042a5ce6
Internals to HgInternals
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Thu, 27 Jan 2011 21:24:37 +0100 |
parents | c677e1593919 |
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1 /* |
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2 * Copyright (c) 2010-2011 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@svnkit.com |
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16 */ |
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17 package org.tmatesoft.hg.repo; |
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18 |
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19 import org.tmatesoft.hg.core.Nodeid; |
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20 import org.tmatesoft.hg.internal.RevlogStream; |
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21 |
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22 |
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23 /** |
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24 * |
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25 * @author Artem Tikhomirov |
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26 * @author TMate Software Ltd. |
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27 */ |
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28 public class HgManifest extends Revlog { |
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29 |
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30 /*package-local*/ HgManifest(HgRepository hgRepo, RevlogStream content) { |
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31 super(hgRepo, content); |
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32 } |
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33 |
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34 public void walk(int start, int end, final Inspector inspector) { |
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35 RevlogStream.Inspector insp = new RevlogStream.Inspector() { |
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36 |
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37 private boolean gtg = true; // good to go |
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38 |
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39 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, byte[] data) { |
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40 if (!gtg) { |
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41 return; |
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42 } |
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43 gtg = gtg && inspector.begin(revisionNumber, new Nodeid(nodeid, true)); |
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44 int i; |
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45 String fname = null; |
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46 String flags = null; |
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47 Nodeid nid = null; |
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48 for (i = 0; gtg && i < actualLen; i++) { |
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49 int x = i; |
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50 for( ; data[i] != '\n' && i < actualLen; i++) { |
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51 if (fname == null && data[i] == 0) { |
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52 fname = new String(data, x, i - x); |
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53 x = i+1; |
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54 } |
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55 } |
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56 if (i < actualLen) { |
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57 assert data[i] == '\n'; |
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58 int nodeidLen = i - x < 40 ? i-x : 40; |
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59 nid = Nodeid.fromAscii(data, x, nodeidLen); |
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60 if (nodeidLen + x < i) { |
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61 // 'x' and 'l' for executable bits and symlinks? |
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62 // hg --debug manifest shows 644 for each regular file in my repo |
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63 flags = new String(data, x + nodeidLen, i-x-nodeidLen); |
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64 } |
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65 gtg = gtg && inspector.next(nid, fname, flags); |
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66 } |
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67 nid = null; |
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68 fname = flags = null; |
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69 } |
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70 gtg = gtg && inspector.end(revisionNumber); |
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71 } |
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72 }; |
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73 content.iterate(start, end, true, insp); |
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74 } |
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75 |
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76 public interface Inspector { |
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77 boolean begin(int revision, Nodeid nid); |
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78 boolean next(Nodeid nid, String fname, String flags); |
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79 boolean end(int revision); |
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80 } |
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81 } |