Mercurial > jhg
annotate src/com/tmate/hgkit/ll/Changelog.java @ 37:e45e75e22523
Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Fri, 14 Jan 2011 00:49:58 +0100 (2011-01-13) |
parents | e929cecae4e1 |
children | b01500fe2604 |
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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 import java.util.ArrayList; |
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7 import java.util.Arrays; |
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8 import java.util.List; |
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9 |
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10 /** |
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11 * Representation of the Mercurial changelog file (list of ChangeSets) |
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12 * @author artem |
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13 */ |
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14 public class Changelog extends Revlog { |
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16 /*package-local*/ Changelog(HgRepository hgRepo, RevlogStream content) { |
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17 super(hgRepo, content); |
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18 } |
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19 |
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20 public void all(final Changeset.Inspector inspector) { |
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21 Revlog.Inspector i = new Revlog.Inspector() { |
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22 |
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23 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, byte[] data) { |
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24 Changeset cset = Changeset.parse(data, 0, data.length); |
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25 // XXX there's no guarantee for Changeset.Callback that distinct instance comes each time, consider instance reuse |
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26 inspector.next(cset); |
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27 } |
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28 }; |
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29 content.iterate(0, content.revisionCount() - 1, true, i); |
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30 } |
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31 |
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32 public List<Changeset> range(int start, int end) { |
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33 final ArrayList<Changeset> rv = new ArrayList<Changeset>(end - start + 1); |
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34 Revlog.Inspector i = new Revlog.Inspector() { |
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35 |
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36 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, byte[] data) { |
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37 Changeset cset = Changeset.parse(data, 0, data.length); |
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38 rv.add(cset); |
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39 } |
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40 }; |
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41 content.iterate(start, end, true, i); |
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42 return rv; |
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43 } |
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45 public void range(final Changeset.Inspector inspector, final int... revisions) { |
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46 if (revisions == null || revisions.length == 0) { |
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47 return; |
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48 } |
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49 Revlog.Inspector i = new Revlog.Inspector() { |
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50 |
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51 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, byte[] data) { |
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52 if (Arrays.binarySearch(revisions, revisionNumber) >= 0) { |
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53 Changeset cset = Changeset.parse(data, 0, data.length); |
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54 inspector.next(cset); |
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55 } |
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56 } |
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57 }; |
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58 Arrays.sort(revisions); |
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59 content.iterate(revisions[0], revisions[revisions.length - 1], true, i); |
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60 } |
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61 } |