// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2004 Novell, Inc.
//
// Authors:
//	Jackson Harper (jackson@ximian.com)
//
//
using System;
using System.Resources;
using System.Text;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
using System.Reflection;

namespace ShiftUI {

	internal class KeyboardLayouts {
		private KeyboardLayout [] keyboard_layouts;
		public int [][] vkey_table;
		public short [][] scan_table;

		public static object ObjFromByte(string resource) {
			var asm = Assembly.GetExecutingAssembly ();
			var resources = asm.GetManifestResourceNames ();
			byte[] binary = null;
			foreach (var r in resources) {
				if(r.Contains(resource)) {
					var res = asm.GetManifestResourceStream(r);
					binary = new byte[res.Length];
					res.Read(binary, 0, (int)res.Length);
					string base64s = Encoding.UTF8.GetString (binary);
					binary = Convert.FromBase64String (base64s);
					res.Close();
				}
			}
			if (binary != null) {
				MemoryStream memStream = new MemoryStream();
				BinaryFormatter binForm = new BinaryFormatter();
				memStream.Write(binary, 0, binary.Length);
				memStream.Seek(0, SeekOrigin.Begin);
				Object obj = (Object) binForm.Deserialize(memStream);
				return obj;
			} else {
				throw new ArgumentException ("The resource could not be found.");
		    }
		}

		public void LoadLayouts ()
		{
			keyboard_layouts = (KeyboardLayout []) ObjFromByte("keyboard_table");

			vkey_table = (int [][]) ObjFromByte ("vkey_table");
			scan_table = (short [][]) ObjFromByte ("scan_table");
		}

		public KeyboardLayout [] Layouts {
			get {
				if (keyboard_layouts == null)
					LoadLayouts ();
				return keyboard_layouts;
			}
		}
	}



	[Serializable]
#if GENERATING_RESOURCES
	[CLSCompliant(false)]
	public
#else 
	internal
#endif
		class KeyboardLayout {

		public int Lcid;
		public string Name;
		public ScanTableIndex ScanIndex;
		public VKeyTableIndex VKeyIndex;
		public uint [][] Keys;

		public KeyboardLayout (int lcid, string name, ScanTableIndex scan_index,
				VKeyTableIndex vkey_index, uint [][] keys)
		{
			Lcid = lcid;
			Name = name;
			ScanIndex = scan_index;
			VKeyIndex = vkey_index;
			Keys = keys;
		}

		public KeyboardLayout (int lcid, string name, int scan_index,
				int vkey_index, uint [][] keys) : this (lcid, name, (ScanTableIndex) scan_index,
						(VKeyTableIndex) vkey_index, keys)
		{
		}

		}

#if GENERATING_RESOURCES
	public
#else 
	internal
#endif
	 enum VKeyTableIndex {
		Qwerty,
		Qwertz,
		Dvorak,
		Qwertz105,
		Azerty,
		QwertyV2,
		AbntQwerty,
		QwertyJp106,
		Vnc
	}

#if GENERATING_RESOURCES
	public
#else 
	internal
#endif
	 enum ScanTableIndex {
		Qwerty,
		Dvorak,
		AbntQwerty,
		QwertyJp106,
		Vnc
	}

}