tikhomirov@373: /*
tikhomirov@626:  * Copyright (c) 2012-2013 TMate Software Ltd
tikhomirov@373:  *  
tikhomirov@373:  * This program is free software; you can redistribute it and/or modify
tikhomirov@373:  * it under the terms of the GNU General Public License as published by
tikhomirov@373:  * the Free Software Foundation; version 2 of the License.
tikhomirov@373:  *
tikhomirov@373:  * This program is distributed in the hope that it will be useful,
tikhomirov@373:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
tikhomirov@373:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
tikhomirov@373:  * GNU General Public License for more details.
tikhomirov@373:  *
tikhomirov@373:  * For information on how to redistribute this software under
tikhomirov@373:  * the terms of a license other than GNU General Public License
tikhomirov@373:  * contact TMate Software at support@hg4j.com
tikhomirov@373:  */
tikhomirov@373: package org.tmatesoft.hg.repo;
tikhomirov@373: 
tikhomirov@373: 
tikhomirov@373: /**
tikhomirov@442:  * Names of some Mercurial configuration/service files.
tikhomirov@442:  * 
tikhomirov@373:  * @author Artem Tikhomirov
tikhomirov@373:  * @author TMate Software Ltd.
tikhomirov@373:  */
tikhomirov@373: public enum HgRepositoryFiles {
tikhomirov@373: 
tikhomirov@647: 	HgIgnore(Home.Root, ".hgignore"), HgTags(Home.Root, ".hgtags"), HgEol(Home.Root, ".hgeol"), 
tikhomirov@647: 	Dirstate(Home.Repo, "dirstate"), HgLocalTags(Home.Repo, "localtags"),
tikhomirov@647: 	HgSub(Home.Root, ".hgsub"), HgSubstate(Home.Root, ".hgsubstate"),
tikhomirov@647: 	LastMessage(Home.Repo, "last-message.txt"),
tikhomirov@647: 	Bookmarks(Home.Repo, "bookmarks"), BookmarksCurrent(Home.Repo, "bookmarks.current"),
tikhomirov@647: 	Branch(Home.Repo, "branch"), 
tikhomirov@647: 	UndoBranch(Home.Repo, "undo.branch"), UndoDirstate(Home.Repo, "undo.dirstate"),
tikhomirov@647: 	Phaseroots(Home.Store, "phaseroots"), FNCache(Home.Store, "fncache"),
tikhomirov@707: 	WorkingCopyLock(Home.Repo, "wlock"), StoreLock(Home.Store, "lock"),
tikhomirov@711: 	MergeState(Home.Repo, "merge/state"),
tikhomirov@711: 	RepoConfig(Home.Repo, "hgrc");
tikhomirov@647: 
tikhomirov@647: 	/**
tikhomirov@707: 	 * Possible file locations
tikhomirov@707: 	 * <ul> 
tikhomirov@707: 	 * <li>{@link #Root} lives in working copy
tikhomirov@707: 	 * <li>{@link #Repo} files under <samp>.hg/</samp>
tikhomirov@707: 	 * <li>#{@link #Store} files in storage area, either <samp>.hg/store/</samp> or <samp>.hg/</samp>
tikhomirov@707: 	 * </ul>
tikhomirov@647: 	 */
tikhomirov@647: 	public enum Home {
tikhomirov@647: 		Root, Repo, Store
tikhomirov@647: 	}
tikhomirov@373: 
tikhomirov@482: 	private final String fname;
tikhomirov@647: 	private final Home residesIn; 
tikhomirov@373: 	
tikhomirov@647: 	private HgRepositoryFiles(Home home, String filename) {
tikhomirov@482: 		fname = filename;
tikhomirov@647: 		residesIn = home;
tikhomirov@482: 	}
tikhomirov@482: 
tikhomirov@482: 	/**
tikhomirov@647: 	 * Path to the file, relative to the repository root.
tikhomirov@482: 	 * 
tikhomirov@482: 	 * For repository files that reside in working directory, return their location relative to the working dir.
tikhomirov@647: 	 * For files that reside under repository root, path returned includes '.hg/' prefix.
tikhomirov@647: 	 * For files from {@link Home#Store} storage area, path starts with '.hg/store/', although actual use of 'store' folder
tikhomirov@647: 	 * is controlled by repository requirements. Returned value shall be deemed as 'most likely' path in a general environment.
tikhomirov@482: 	 * @return file location, never <code>null</code>
tikhomirov@482: 	 */
tikhomirov@373: 	public String getPath() {
tikhomirov@647: 		switch (residesIn) {
tikhomirov@647: 			case Store : return ".hg/store/" + getName();
tikhomirov@647: 			case Repo : return ".hg/" + getName();
tikhomirov@647: 			default : return getName();
tikhomirov@647: 		}
tikhomirov@482: 	}
tikhomirov@482: 
tikhomirov@482: 	/**
tikhomirov@482: 	 * File name without any path information
tikhomirov@482: 	 * @return file name, never <code>null</code>
tikhomirov@482: 	 */
tikhomirov@482: 	public String getName() {
tikhomirov@373: 		return fname;
tikhomirov@373: 	}
tikhomirov@482: 
tikhomirov@482: 	/**
tikhomirov@482: 	 * Files that reside under working directory may be accessed like:
tikhomirov@482: 	 * <pre>
tikhomirov@482: 	 *   HgRepository hgRepo = ...;
tikhomirov@482: 	 *   File f = new File(hgRepo.getWorkingDir(), HgRepositoryFiles.HgIgnore.getPath())
tikhomirov@482: 	 * </pre>
tikhomirov@482: 	 * @return <code>true</code> if file lives in working tree
tikhomirov@482: 	 */
tikhomirov@482: 	public boolean residesUnderWorkingDir() {
tikhomirov@647: 		return residesIn == Home.Root;
tikhomirov@482: 	}
tikhomirov@482: 
tikhomirov@482: 	/**
tikhomirov@482: 	 * @return <code>true</code> if file lives under '.hg/' 
tikhomirov@482: 	 */
tikhomirov@482: 	public boolean residesUnderRepositoryRoot() {
tikhomirov@647: 		return residesIn == Home.Repo;
tikhomirov@647: 	}
tikhomirov@647: 	
tikhomirov@647: 	/**
tikhomirov@647: 	 * Identify a root the file lives under
tikhomirov@647: 	 */
tikhomirov@647: 	public Home getHome() {
tikhomirov@647: 		return residesIn;
tikhomirov@482: 	}
tikhomirov@373: }