/**
 * FreeRDP: A Remote Desktop Protocol Implementation
 * TZID to Windows TimeZone Identifier Table Generator
 *
 * Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *	 http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using System;
using System.IO;
using System.Xml;
using System.Text;
using System.Collections;
using System.Collections.Generic;

/* 
 * this script uses windowsZones.xml which can be obtained at:
 * http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/zone_tzid.html
 */

namespace WindowsZones
{
	class MainClass
	{
		public static void Main(string[] args)
		{
			string tzid, windows;
			const string file = @"WindowsZones.txt";
			List<string> list = new List<string>();
			StreamWriter stream = new StreamWriter(file, false);
			XmlTextReader reader = new XmlTextReader(@"windowsZones.xml");
			
			stream.WriteLine("struct _WINDOWS_TZID_ENTRY");
			stream.WriteLine("{");
			stream.WriteLine("\tconst char* windows;");
			stream.WriteLine("\tconst char* tzid;");
			stream.WriteLine("};");
			stream.WriteLine("typedef struct _WINDOWS_TZID_ENTRY WINDOWS_TZID_ENTRY;");
			stream.WriteLine();
			
			while (reader.Read())
			{
				switch (reader.NodeType)
				{
					case XmlNodeType.Element:

						if (reader.Name.Equals("mapZone"))
						{
							tzid = reader.GetAttribute("type");
							windows = reader.GetAttribute("other");
						
							string entry = String.Format("\"{0}\", \"{1}\"", windows, tzid);
							
							if (!list.Contains(entry))
								list.Add(entry);
						}
					
						break;
				}
			}
			
			list.Sort();
			
			stream.WriteLine("const WINDOWS_TZID_ENTRY WindowsTimeZoneIdTable[] =");
			stream.WriteLine("{");
			
			foreach (string entry in list)
			{
					stream.Write("\t{ ");
					stream.Write(entry);
					stream.WriteLine(" },");	
			}
			
			stream.WriteLine("};");
			
			stream.Close();
		}
	}
}
