--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hg4j/src/main/java/org/tmatesoft/hg/internal/Internals.java	Tue May 10 10:52:53 2011 +0200
@@ -0,0 +1,111 @@
+/*
+ * Copyright (c) 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.internal;
+
+import static org.tmatesoft.hg.internal.RequiresFile.*;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.tmatesoft.hg.repo.HgRepository;
+import org.tmatesoft.hg.util.PathRewrite;
+
+/**
+ * Fields/members that shall not be visible  
+ * 
+ * @author Artem Tikhomirov
+ * @author TMate Software Ltd.
+ */
+public class Internals {
+	
+	private int requiresFlags = 0;
+	private List<Filter.Factory> filterFactories;
+	
+
+	public Internals() {
+	}
+
+	public/*for tests, otherwise pkg*/ void setStorageConfig(int version, int flags) {
+		requiresFlags = flags;
+	}
+
+	// XXX perhaps, should keep both fields right here, not in the HgRepository
+	public PathRewrite buildDataFilesHelper() {
+		return new StoragePathHelper((requiresFlags & STORE) != 0, (requiresFlags & FNCACHE) != 0, (requiresFlags & DOTENCODE) != 0);
+	}
+
+	public PathRewrite buildRepositoryFilesHelper() {
+		if ((requiresFlags & STORE) != 0) {
+			return new PathRewrite() {
+				public String rewrite(String path) {
+					return "store/" + path;
+				}
+			};
+		} else {
+			return new PathRewrite() {
+				public String rewrite(String path) {
+					//no-op
+					return path;
+				}
+			};
+		}
+	}
+
+	public ConfigFile newConfigFile() {
+		return new ConfigFile();
+	}
+
+	public List<Filter.Factory> getFilters(HgRepository hgRepo, ConfigFile cfg) {
+		if (filterFactories == null) {
+			filterFactories = new ArrayList<Filter.Factory>();
+			if (cfg.hasEnabledExtension("eol")) {
+				NewlineFilter.Factory ff = new NewlineFilter.Factory();
+				ff.initialize(hgRepo, cfg);
+				filterFactories.add(ff);
+			}
+			if (cfg.hasEnabledExtension("keyword")) {
+				KeywordFilter.Factory ff = new KeywordFilter.Factory();
+				ff.initialize(hgRepo, cfg);
+				filterFactories.add(ff);
+			}
+		}
+		return filterFactories;
+	}
+	
+	public void initEmptyRepository(File hgDir) throws IOException {
+		hgDir.mkdir();
+		FileOutputStream requiresFile = new FileOutputStream(new File(hgDir, "requires"));
+		StringBuilder sb = new StringBuilder(40);
+		sb.append("revlogv1\n");
+		if ((requiresFlags & STORE) != 0) {
+			sb.append("store\n");
+		}
+		if ((requiresFlags & FNCACHE) != 0) {
+			sb.append("fncache\n");
+		}
+		if ((requiresFlags & DOTENCODE) != 0) {
+			sb.append("dotencode\n");
+		}
+		requiresFile.write(sb.toString().getBytes());
+		requiresFile.close();
+		new File(hgDir, "store").mkdir(); // with that, hg verify says ok.
+	}
+
+}