Mercurial > jhg
view src/org/tmatesoft/hg/repo/HgManifest.java @ 113:67ae317408c9
Filter implementation for newline translation
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Wed, 02 Feb 2011 21:19:02 +0100 (2011-02-02) |
parents | a3a2e5deb320 |
children | d5268ca7715b |
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/* * Copyright (c) 2010-2011 TMate Software Ltd * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * For information on how to redistribute this software under * the terms of a license other than GNU General Public License * contact TMate Software at support@hg4j.com */ package org.tmatesoft.hg.repo; import org.tmatesoft.hg.core.Nodeid; import org.tmatesoft.hg.internal.RevlogStream; /** * * @author Artem Tikhomirov * @author TMate Software Ltd. */ public class HgManifest extends Revlog { /*package-local*/ HgManifest(HgRepository hgRepo, RevlogStream content) { super(hgRepo, content); } public void walk(int start, int end, final Inspector inspector) { RevlogStream.Inspector insp = new RevlogStream.Inspector() { private boolean gtg = true; // good to go public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, byte[] data) { if (!gtg) { return; } gtg = gtg && inspector.begin(revisionNumber, new Nodeid(nodeid, true)); int i; String fname = null; String flags = null; Nodeid nid = null; for (i = 0; gtg && i < actualLen; i++) { int x = i; for( ; data[i] != '\n' && i < actualLen; i++) { if (fname == null && data[i] == 0) { fname = new String(data, x, i - x); x = i+1; } } if (i < actualLen) { assert data[i] == '\n'; int nodeidLen = i - x < 40 ? i-x : 40; nid = Nodeid.fromAscii(data, x, nodeidLen); if (nodeidLen + x < i) { // 'x' and 'l' for executable bits and symlinks? // hg --debug manifest shows 644 for each regular file in my repo flags = new String(data, x + nodeidLen, i-x-nodeidLen); } gtg = gtg && inspector.next(nid, fname, flags); } nid = null; fname = flags = null; } gtg = gtg && inspector.end(revisionNumber); } }; content.iterate(start, end, true, insp); } public interface Inspector { boolean begin(int revision, Nodeid nid); boolean next(Nodeid nid, String fname, String flags); boolean end(int revision); } }