Mercurial > hg4j
annotate src/com/tmate/hgkit/ll/HgManifest.java @ 72:9a03a80a0f2f
Command-line frontend moved to separate source root with new package statement
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Sun, 23 Jan 2011 03:46:59 +0100 |
parents | b2251b7a9823 |
children | 9429c7bd1920 |
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Basic manifest parsing to analyze what's in there
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1 /* |
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2 * Copyright (c) 2010, 2011 Artem Tikhomirov |
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3 */ |
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4 package com.tmate.hgkit.ll; |
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5 |
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6 /** |
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7 * |
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8 * @author artem |
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9 */ |
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10 public class HgManifest extends Revlog { |
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11 |
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12 /*package-local*/ HgManifest(HgRepository hgRepo, RevlogStream content) { |
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13 super(hgRepo, content); |
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14 } |
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15 |
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16 public void walk(int start, int end, final Inspector inspector) { |
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17 Revlog.Inspector insp = new Revlog.Inspector() { |
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18 |
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19 private boolean gtg = true; // good to go |
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20 |
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21 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, byte[] data) { |
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22 if (!gtg) { |
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23 return; |
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24 } |
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25 gtg = gtg && inspector.begin(revisionNumber, new Nodeid(nodeid, true)); |
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26 int i; |
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27 String fname = null; |
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28 String flags = null; |
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29 Nodeid nid = null; |
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30 for (i = 0; gtg && i < actualLen; i++) { |
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31 int x = i; |
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32 for( ; data[i] != '\n' && i < actualLen; i++) { |
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33 if (fname == null && data[i] == 0) { |
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34 fname = new String(data, x, i - x); |
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35 x = i+1; |
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36 } |
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37 } |
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38 if (i < actualLen) { |
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39 assert data[i] == '\n'; |
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40 int nodeidLen = i - x < 40 ? i-x : 40; |
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41 nid = Nodeid.fromAscii(data, x, nodeidLen); |
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42 if (nodeidLen + x < i) { |
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43 // 'x' and 'l' for executable bits and symlinks? |
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44 // hg --debug manifest shows 644 for each regular file in my repo |
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45 flags = new String(data, x + nodeidLen, i-x-nodeidLen); |
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46 } |
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47 gtg = gtg && inspector.next(nid, fname, flags); |
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48 } |
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49 nid = null; |
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50 fname = flags = null; |
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51 } |
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52 gtg = gtg && inspector.end(revisionNumber); |
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53 } |
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54 }; |
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55 content.iterate(start, end, true, insp); |
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56 } |
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57 |
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58 public interface Inspector { |
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59 boolean begin(int revision, Nodeid nid); |
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60 boolean next(Nodeid nid, String fname, String flags); |
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61 boolean end(int revision); |
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62 } |
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63 } |