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annotate src/org/tmatesoft/hg/repo/HgManifest.java @ 153:ab7ea2ac21cb

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author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 24 Feb 2011 21:38:46 +0100
parents a3a2e5deb320
children d5268ca7715b
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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@hg4j.com
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16 */
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17 package org.tmatesoft.hg.repo;
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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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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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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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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 }