/* Copyright (C) 2004 - 2008  Versant Inc.  http://www.db4o.com

This file is part of the sharpen open source java to c# translator.

sharpen is free software; you can redistribute it and/or modify it under
the terms of version 2 of the GNU General Public License as published
by the Free Software Foundation and as clarified by db4objects' GPL 
interpretation policy, available at
http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
Suite 350, San Mateo, CA 94403, USA.

sharpen 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.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */

package sharpen.core;

import java.util.*;

public class NamingStrategy {
	
	public static final NamingStrategy DEFAULT = new NamingStrategy();
	
	static Map<String, String> _identifierMappings = new HashMap<String, String>();
	
	static {
		keywords("readonly", "params", "override", "event", "operator",
				"internal", "base", "ref", "out", "as", "is", "in",
				"object", "string", "bool", "using");
		mapIdentifier("lock", "Lock");
		mapIdentifier("delegate", "delegate_");
	}
	
	private static void keywords(String... values) {
		for (String value : values)
			keyword(value);
	}
	
	private static void keyword(String value) {
		mapIdentifier(value, "@" + value);
	}
	
	private static void mapIdentifier(String from, String to) {
		_identifierMappings.put(from, to);
	}
	
	public String identifier(String name) {
		String mapped = _identifierMappings.get(name);
		return mapped != null ? mapped : name;
	}

	public String methodName(String name) {
		return namespacePart(name);
	}

	public String namespace(String name) {
		StringBuilder builder = new StringBuilder();
		for (String part : name.split("\\.")) {
			if (builder.length() > 0) builder.append('.');
			builder.append(namespacePart(part));
		}
		return builder.toString();
	}

	protected String namespacePart(String part) {
		return identifier(part);
	}
}