Mercurial > hg4j

annotate src/com/tmate/hgkit/ll/HgDataFile.java @ 64:19e9e220bf68

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Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 21 Jan 2011 05:56:43 +0100
parents 576d6e8a09f6
children
rev   line source
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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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6 import static com.tmate.hgkit.ll.HgRepository.TIP;
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9 /**
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10 * ? name:HgFileNode?
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11 * @author artem
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12 */
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13 public class HgDataFile extends Revlog {
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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, content);
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22 this.path = path;
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23 }
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25 public boolean exists() {
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26 return content != null; // XXX need better impl
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27 }
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28
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29 public String getPath() {
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30 return path; // hgRepo.backresolve(this) -> name?
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31 }
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33 public int length(Nodeid nodeid) {
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34 return content.dataLength(getLocalRevisionNumber(nodeid));
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35 }
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36
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37 public byte[] content() {
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38 return content(TIP);
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39 }
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41 public void history(Changeset.Inspector inspector) {
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42 history(0, content.revisionCount() - 1, inspector);
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43 }
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44
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45 public void history(int start, int end, Changeset.Inspector inspector) {
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46 if (!exists()) {
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47 throw new IllegalStateException("Can't get history of invalid repository file node");
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48 }
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49 final int[] commitRevisions = new int[end - start + 1];
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50 Revlog.Inspector insp = new Revlog.Inspector() {
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51 int count = 0;
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52
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53 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, byte[] data) {
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54 commitRevisions[count++] = linkRevision;
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55 }
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56 };
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57 content.iterate(start, end, false, insp);
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58 getRepo().getChangelog().range(inspector, commitRevisions);
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59 }
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60 }