Mercurial > jhg
view src/org/tmatesoft/hg/repo/HgInternals.java @ 541:946b13196252
PatchGenerator: refactoring to facilitate use in annotate/blame
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Wed, 13 Feb 2013 19:42:22 +0100 (2013-02-13) |
parents | ba36f66c32b4 |
children | e1b29756f901 |
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/* * Copyright (c) 2011-2012 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 static org.tmatesoft.hg.repo.HgRepository.*; import java.io.BufferedReader; import java.io.File; import java.io.IOException; import java.io.Reader; import java.net.InetAddress; import java.net.UnknownHostException; import org.tmatesoft.hg.core.Nodeid; import org.tmatesoft.hg.internal.Experimental; import org.tmatesoft.hg.internal.Internals; import org.tmatesoft.hg.internal.RelativePathRewrite; import org.tmatesoft.hg.internal.WinToNixPathRewrite; import org.tmatesoft.hg.repo.HgSubrepoLocation.Kind; import org.tmatesoft.hg.util.FileIterator; import org.tmatesoft.hg.util.FileWalker; import org.tmatesoft.hg.util.Path; import org.tmatesoft.hg.util.PathRewrite; /** * DO NOT USE THIS CLASS, INTENDED FOR TESTING PURPOSES. * * <p>This class is not part of the public API and may change or vanish any moment. * * <p>This class gives access to repository internals, and holds methods that I'm not confident have to be widely accessible * Debug helper, to access otherwise restricted (package-local) methods * * @author Artem Tikhomirov * @author TMate Software Ltd. */ @Experimental(reason="Perhaps, shall split methods with debug purpose from methods that are experimental API") public class HgInternals { private final HgRepository repo; public HgInternals(HgRepository hgRepo) { repo = hgRepo; } public HgDirstate getDirstate() throws HgInvalidControlFileException { return repo.loadDirstate(new Path.SimpleSource()); } // tests public HgDirstate createDirstate(boolean caseSensitiveFileSystem) throws HgInvalidControlFileException { PathRewrite canonicalPath = null; if (!caseSensitiveFileSystem) { canonicalPath = new PathRewrite() { public CharSequence rewrite(CharSequence path) { return path.toString().toLowerCase(); } }; } HgDirstate ds = new HgDirstate(repo.getImplHelper(), new Path.SimpleSource(), canonicalPath); ds.read(); return ds; } public Path[] checkKnown(HgDirstate dirstate, Path[] toCheck) { Path[] rv = new Path[toCheck.length]; for (int i = 0; i < toCheck.length; i++) { rv[i] = dirstate.known(toCheck[i]); } return rv; } public HgSubrepoLocation newSubrepo(Path loc, String src, Kind kind, Nodeid rev) { return new HgSubrepoLocation(repo, loc, src, kind, rev); } public static Internals getImplementationRepo(HgRepository hgRepo) { return hgRepo.getImplHelper(); } /** * @param source where to read definitions from * @param globPathRewrite <code>null</code> to use default, or pass an instance to override defaults * @return * @throws IOException */ public static HgIgnore newHgIgnore(Reader source, PathRewrite globPathRewrite) throws IOException { if (globPathRewrite == null) { // shall match that of HgRepository#getIgnore() (Internals#buildNormalizePathRewrite()) if (Internals.runningOnWindows()) { globPathRewrite = new WinToNixPathRewrite(); } else { globPathRewrite = new PathRewrite.Empty(); } } HgIgnore hgIgnore = new HgIgnore(globPathRewrite); BufferedReader br = source instanceof BufferedReader ? (BufferedReader) source : new BufferedReader(source); hgIgnore.read(br); br.close(); return hgIgnore; } // in fact, need a setter for this anyway, shall move to internal.Internals perhaps? public String getNextCommitUsername() { String hgUser = System.getenv("HGUSER"); if (hgUser != null && hgUser.trim().length() > 0) { return hgUser.trim(); } String configValue = repo.getConfiguration().getStringValue("ui", "username", null); if (configValue != null) { return configValue; } String email = System.getenv("EMAIL"); if (email != null && email.trim().length() > 0) { return email; } String username = System.getProperty("user.name"); try { String hostname = InetAddress.getLocalHost().getHostName(); return username + '@' + hostname; } catch (UnknownHostException ex) { return username; } } /*package-local*/ FileIterator createWorkingDirWalker(Path.Matcher workindDirScope) { File repoRoot = repo.getWorkingDir(); Path.Source pathSrc = new Path.SimpleSource(new PathRewrite.Composite(new RelativePathRewrite(repoRoot), repo.getToRepoPathHelper())); // Impl note: simple source is enough as files in the working dir are all unique // even if they might get reused (i.e. after FileIterator#reset() and walking once again), // path caching is better to be done in the code which knows that path are being reused return new FileWalker(repo.getSessionContext(), repoRoot, pathSrc, workindDirScope); } // Convenient check of revision index for validity (not all negative values are wrong as long as we use negative constants) public static boolean wrongRevisionIndex(int rev) { // TODO Another method to check,throw and expand TIP at once (check[Revision|Revlog]Index() return rev < 0 && rev != TIP && rev != WORKING_COPY && rev != BAD_REVISION && rev != NO_REVISION; } // throws HgInvalidRevisionException or IllegalArgumentException if [start..end] range is not a subrange of [0..lastRevision] public static void checkRevlogRange(int start, int end, int lastRevision) throws HgInvalidRevisionException { if (start < 0 || start > lastRevision) { final String m = String.format("Bad left range boundary %d in [0..%d]", start, lastRevision); throw new HgInvalidRevisionException(m, null, start).setRevisionIndex(start, 0, lastRevision); } if (end < 0 || end > lastRevision) { final String m = String.format("Bad right range boundary %d in [0..%d]", end, lastRevision); throw new HgInvalidRevisionException(m, null, end).setRevisionIndex(end, 0, lastRevision); } if (end < start) { throw new IllegalArgumentException(String.format("Bad range [%d..%d]", start, end)); } } }