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annotate src/com/tmate/hgkit/ll/HgDataFile.java @ 3:24bb4f365164

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Rudimentary log functionality with basic infrastructure is in place
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 20 Dec 2010 02:50:36 +0100
parents 08db726a0fb7
children fc265ddeab26
rev   line source
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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1 /**
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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 * Extends Revlog/uses RevlogStream?
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8 * ? name:HgFileNode?
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9 * @author artem
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10 */
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11 public class HgDataFile extends Revlog {
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13 private final RevlogStream content; // XXX move up to Revlog?
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14
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15 // absolute from repo root?
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16 // slashes, unix-style?
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17 // repo location agnostic, just to give info to user, not to access real storage
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18 private final String path;
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20 /*package-local*/HgDataFile(HgRepository hgRepo, String path, RevlogStream content) {
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21 super(hgRepo);
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22 this.path = path;
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23 this.content = content;
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24 }
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25
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26 public boolean exists() {
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27 return content != null; // XXX need better impl
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28 }
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29
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30 public String getPath() {
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31 return path; // hgRepo.backresolve(this) -> name?
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32 }
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33
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34 private static final int TIP = -2;
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35
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36 public byte[] content() {
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37 return content(TIP);
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38 }
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39
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40 public byte[] content(int revision) {
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41 throw HgRepository.notImplemented();
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42 }
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43
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44 public void history(Changeset.Inspector inspector) {
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45 if (!exists()) {
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46 throw new IllegalStateException("Can't get history of invalid repository file node");
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47 }
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48 final int[] commitRevisions = new int[content.revisionCount()];
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49 Revlog.Inspector insp = new Revlog.Inspector() {
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50 int count = 0;
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51
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52 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, byte[] data) {
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53 commitRevisions[count++] = linkRevision;
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54 }
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55 };
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56 content.iterate(0, -1, false, insp);
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57 getRepo().getChangelog().range(inspector, commitRevisions);
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58 }
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59
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60 public void history(int start, int end, Changeset.Inspector i) {
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61 throw HgRepository.notImplemented();
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62 }
2
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63 }