--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cmdline/org/tmatesoft/hg/console/Options.java	Mon Jan 24 03:14:45 2011 +0100
@@ -0,0 +1,106 @@
+/*
+ * 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@svnkit.com
+ */
+package org.tmatesoft.hg.console;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.LinkedHashSet;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Set;
+
+import org.tmatesoft.hg.repo.HgRepository;
+import org.tmatesoft.hg.repo.Lookup;
+
+/**
+ * Parse command-line options
+ * 
+ * @author Artem Tikhomirov
+ * @author TMate Software Ltd.
+ */
+class Options {
+
+	public String repoLocation;
+	public List<String> files;
+	public int limit = -1;
+	public Set<String> users;
+	public Set<String> branches;
+	
+	public HgRepository findRepository() throws Exception {
+		if (repoLocation != null) {
+			return new Lookup().detect(repoLocation);
+		}
+		return new Lookup().detectFromWorkingDir();
+	}
+
+
+	public static Options parse(String[] commandLineArgs) {
+		Options rv = new Options();
+		List<String> args = Arrays.asList(commandLineArgs);
+		LinkedList<String> files = new LinkedList<String>();
+		for (Iterator<String> it = args.iterator(); it.hasNext(); ) {
+			String arg = it.next();
+			if (arg.charAt(0) == '-') {
+				// option
+				if (arg.length() == 1) {
+					throw new IllegalArgumentException("Bad option: -");
+				}
+				switch ((int) arg.charAt(1)) {
+					case (int) 'R' : {
+						if (! it.hasNext()) {
+							throw new IllegalArgumentException("Need repo location");
+						}
+						rv.repoLocation = it.next();
+						break;
+					}
+					case (int) 'l' : {
+						if (!it.hasNext()) {
+							throw new IllegalArgumentException();
+						}
+						rv.limit = Integer.parseInt(it.next());
+						break;
+					}
+					case (int) 'u' : {
+						if (rv.users == null) {
+							rv.users = new LinkedHashSet<String>();
+						}
+						rv.users.add(it.next());
+						break;
+					}
+					case (int) 'b' : {
+						if (rv.branches == null) {
+							rv.branches = new LinkedHashSet<String>();
+						}
+						rv.branches.add(it.next());
+						break;
+					}
+				}
+			} else {
+				// filename
+				files.add(arg);
+			}
+		}
+		if (!files.isEmpty()) {
+			rv.files = new ArrayList<String>(files);
+		} else {
+			rv.files = Collections.emptyList();
+		}
+		return rv;
+	}
+}
\ No newline at end of file