kitaev@213: /*
kitaev@213:  * Copyright (c) 2011 TMate Software Ltd
kitaev@213:  *  
kitaev@213:  * This program is free software; you can redistribute it and/or modify
kitaev@213:  * it under the terms of the GNU General Public License as published by
kitaev@213:  * the Free Software Foundation; version 2 of the License.
kitaev@213:  *
kitaev@213:  * This program is distributed in the hope that it will be useful,
kitaev@213:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
kitaev@213:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
kitaev@213:  * GNU General Public License for more details.
kitaev@213:  *
kitaev@213:  * For information on how to redistribute this software under
kitaev@213:  * the terms of a license other than GNU General Public License
kitaev@213:  * contact TMate Software at support@hg4j.com
kitaev@213:  */
kitaev@213: package org.tmatesoft.hg.internal;
kitaev@213: 
kitaev@213: import static org.tmatesoft.hg.internal.RequiresFile.*;
kitaev@213: 
kitaev@213: import java.io.File;
kitaev@213: import java.io.FileOutputStream;
kitaev@213: import java.io.IOException;
kitaev@213: import java.util.ArrayList;
kitaev@213: import java.util.List;
kitaev@213: 
kitaev@213: import org.tmatesoft.hg.repo.HgRepository;
kitaev@213: import org.tmatesoft.hg.util.PathRewrite;
kitaev@213: 
kitaev@213: /**
kitaev@213:  * Fields/members that shall not be visible  
kitaev@213:  * 
kitaev@213:  * @author Artem Tikhomirov
kitaev@213:  * @author TMate Software Ltd.
kitaev@213:  */
kitaev@213: public class Internals {
kitaev@213: 	
kitaev@213: 	private int requiresFlags = 0;
kitaev@213: 	private List<Filter.Factory> filterFactories;
kitaev@213: 	
kitaev@213: 
kitaev@213: 	public Internals() {
kitaev@213: 	}
kitaev@213: 
kitaev@213: 	public/*for tests, otherwise pkg*/ void setStorageConfig(int version, int flags) {
kitaev@213: 		requiresFlags = flags;
kitaev@213: 	}
kitaev@213: 
kitaev@213: 	// XXX perhaps, should keep both fields right here, not in the HgRepository
kitaev@213: 	public PathRewrite buildDataFilesHelper() {
kitaev@213: 		return new StoragePathHelper((requiresFlags & STORE) != 0, (requiresFlags & FNCACHE) != 0, (requiresFlags & DOTENCODE) != 0);
kitaev@213: 	}
kitaev@213: 
kitaev@213: 	public PathRewrite buildRepositoryFilesHelper() {
kitaev@213: 		if ((requiresFlags & STORE) != 0) {
kitaev@213: 			return new PathRewrite() {
kitaev@213: 				public String rewrite(String path) {
kitaev@213: 					return "store/" + path;
kitaev@213: 				}
kitaev@213: 			};
kitaev@213: 		} else {
kitaev@213: 			return new PathRewrite() {
kitaev@213: 				public String rewrite(String path) {
kitaev@213: 					//no-op
kitaev@213: 					return path;
kitaev@213: 				}
kitaev@213: 			};
kitaev@213: 		}
kitaev@213: 	}
kitaev@213: 
kitaev@213: 	public ConfigFile newConfigFile() {
kitaev@213: 		return new ConfigFile();
kitaev@213: 	}
kitaev@213: 
kitaev@213: 	public List<Filter.Factory> getFilters(HgRepository hgRepo, ConfigFile cfg) {
kitaev@213: 		if (filterFactories == null) {
kitaev@213: 			filterFactories = new ArrayList<Filter.Factory>();
kitaev@213: 			if (cfg.hasEnabledExtension("eol")) {
kitaev@213: 				NewlineFilter.Factory ff = new NewlineFilter.Factory();
kitaev@213: 				ff.initialize(hgRepo, cfg);
kitaev@213: 				filterFactories.add(ff);
kitaev@213: 			}
kitaev@213: 			if (cfg.hasEnabledExtension("keyword")) {
kitaev@213: 				KeywordFilter.Factory ff = new KeywordFilter.Factory();
kitaev@213: 				ff.initialize(hgRepo, cfg);
kitaev@213: 				filterFactories.add(ff);
kitaev@213: 			}
kitaev@213: 		}
kitaev@213: 		return filterFactories;
kitaev@213: 	}
kitaev@213: 	
kitaev@213: 	public void initEmptyRepository(File hgDir) throws IOException {
kitaev@213: 		hgDir.mkdir();
kitaev@213: 		FileOutputStream requiresFile = new FileOutputStream(new File(hgDir, "requires"));
kitaev@213: 		StringBuilder sb = new StringBuilder(40);
kitaev@213: 		sb.append("revlogv1\n");
kitaev@213: 		if ((requiresFlags & STORE) != 0) {
kitaev@213: 			sb.append("store\n");
kitaev@213: 		}
kitaev@213: 		if ((requiresFlags & FNCACHE) != 0) {
kitaev@213: 			sb.append("fncache\n");
kitaev@213: 		}
kitaev@213: 		if ((requiresFlags & DOTENCODE) != 0) {
kitaev@213: 			sb.append("dotencode\n");
kitaev@213: 		}
kitaev@213: 		requiresFile.write(sb.toString().getBytes());
kitaev@213: 		requiresFile.close();
kitaev@213: 		new File(hgDir, "store").mkdir(); // with that, hg verify says ok.
kitaev@213: 	}
kitaev@213: 
kitaev@213: }