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annotate src/com/tmate/hgkit/ll/HgManifest.java @ 17:571e1b2cc3f7

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Query file for its parents. Demo of recently added ignore and digest support from within cat cmd
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 27 Dec 2010 01:43:08 +0100
parents 254078595653
children 40532cdc92fc
rev   line source
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df8c67f3006a Basic manifest parsing to analyze what's in there
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1 /*
2
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2 * Copyright (c) 2010 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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12 private final RevlogStream content;
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14 /*package-local*/ HgManifest(HgRepository hgRepo, RevlogStream content) {
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15 super(hgRepo);
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16 this.content = content;
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17 }
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19 public void dump() {
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20 Revlog.Inspector insp = new Revlog.Inspector() {
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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 System.out.printf("%d : %s\n", revisionNumber, new Nodeid(nodeid));
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23 int i;
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24 String fname = null;
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25 String flags = null;
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26 Nodeid nid = null;
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27 for (i = 0; i < actualLen; i++) {
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28 int x = i;
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29 for( ; data[i] != '\n' && i < actualLen; i++) {
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30 if (fname == null && data[i] == 0) {
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31 fname = new String(data, x, i - x);
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32 x = i+1;
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33 }
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34 }
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35 if (i < actualLen) {
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36 assert data[i] == '\n';
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37 int nodeidLen = i - x < 40 ? i-x : 40;
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38 nid = Nodeid.fromAscii(data, x, nodeidLen);
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39 if (nodeidLen + x < i) {
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40 // 'x' and 'l' for executable bits and symlinks?
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41 // hg --debug manifest shows 644 for each regular file in my repo
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42 flags = new String(data, x + nodeidLen, i-x-nodeidLen);
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43 }
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44 System.out.println(nid + "\t" + fname + "\t\t" + flags);
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45 }
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46 nid = null;
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47 fname = flags = null;
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48 }
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49 System.out.println();
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50 }
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51 };
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52 content.iterate(0, -1, true, insp);
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53 }
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54 }