context: /*
   * CP1253.cs - Greek (Windows) code page.
   *
   * Copyright (c) 2002  Southern Storm Software, Pty Ltd
   *
   * 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.
   */
  
  // Generated from "ibm-5349.ucm".
  
  // WARNING: Modifying this file directly might be a bad idea.
  // You should edit the code generator tools/ucm2cp.c instead for your changes
  // to appear in all relevant classes.
  namespace I18N.West
  {
  
  using System;
  using System.Text;
  using I18N.Common;
  
  [Serializable]
  public class CP1253 : ByteEncoding
  {
  	public CP1253()
  		: base(1253, ToChars, "Greek (Windows)",
  		       "iso-8859-7", "windows-1253", "windows-1253",
  		       true, true, true, true, 1253)
  	{}
  
  	private static readonly char[] ToChars = {
  		'\u0000', '\u0001', '\u0002', '\u0003', '\u0004', '\u0005', 
  		'\u0006', '\u0007', '\u0008', '\u0009', '\u000A', '\u000B', 
  		'\u000C', '\u000D', '\u000E', '\u000F', '\u0010', '\u0011', 
  		'\u0012', '\u0013', '\u0014', '\u0015', '\u0016', '\u0017', 
  		'\u0018', '\u0019', '\u001A', '\u001B', '\u001C', '\u001D', 
  		'\u001E', '\u001F', '\u0020', '\u0021', '\u0022', '\u0023', 
  		'\u0024', '\u0025', '\u0026', '\u0027', '\u0028', '\u0029', 
  		'\u002A', '\u002B', '\u002C', '\u002D', '\u002E', '\u002F', 
  		'\u0030', '\u0031', '\u0032', '\u0033', '\u0034', '\u0035', 
  		'\u0036', '\u0037', '\u0038', '\u0039', '\u003A', '\u003B', 
  		'\u003C', '\u003D', '\u003E', '\u003F', '\u0040', '\u0041', 
  		'\u0042', '\u0043', '\u0044', '\u0045', '\u0046', '\u0047', 
  		'\u0048', '\u0049', '\u004A', '\u004B', '\u004C', '\u004D', 
  		'\u004E', '\u004F', '\u0050', '\u0051', '\u0052', '\u0053', 
  		'\u0054', '\u0055', '\u0056', '\u0057', '\u0058', '\u0059', 
  		'\u005A', '\u005B', '\u005C', '\u005D', '\u005E', '\u005F', 
  		'\u0060', '\u0061', '\u0062', '\u0063', '\u0064', '\u0065', 
  		'\u0066', '\u0067', '\u0068', '\u0069', '\u006A', '\u006B', 
  		'\u006C', '\u006D', '\u006E', '\u006F', '\u0070', '\u0071', 
  		'\u0072', '\u0073', '\u0074', '\u0075', '\u0076', '\u0077', 
  		'\u0078', '\u0079', '\u007A', '\u007B', '\u007C', '\u007D', 
  		'\u007E', '\u007F', '\u20AC', '\u0081', '\u201A', '\u0192', 
  		'\u201E', '\u2026', '\u2020', '\u2021', '\u0088', '\u2030', 
  		'\u008A', '\u2039', '\u008C', '\u008D', '\u008E', '\u008F', 
  		'\u0090', '\u2018', '\u2019', '\u201C', '\u201D', '\u2022', 
  		'\u2013', '\u2014', '\u0098', '\u2122', '\u009A', '\u203A', 
  		'\u009C', '\u009D', '\u009E', '\u009F', '\u00A0', '\u0385', 
  		'\u0386', '\u00A3', '\u00A4', '\u00A5', '\u00A6', '\u00A7', 
  		'\u00A8', '\u00A9', '\u00AA', '\u00AB', '\u00AC', '\u00AD', 
  		'\u00AE', '\u2015', '\u00B0', '\u00B1', '\u00B2', '\u00B3', 
  		'\u0384', '\u00B5', '\u00B6', '\u00B7', '\u0388', '\u0389', 
  		'\u038A', '\u00BB', '\u038C', '\u00BD', '\u038E', '\u038F', 
  		'\u0390', '\u0391', '\u0392', '\u0393', '\u0394', '\u0395', 
  		'\u0396', '\u0397', '\u0398', '\u0399', '\u039A', '\u039B', 
  		'\u039C', '\u039D', '\u039E', '\u039F', '\u03A0', '\u03A1', 
  		'\u003F', '\u03A3', '\u03A4', '\u03A5', '\u03A6', '\u03A7', 
  		'\u03A8', '\u03A9', '\u03AA', '\u03AB', '\u03AC', '\u03AD', 
  		'\u03AE', '\u03AF', '\u03B0', '\u03B1', '\u03B2', '\u03B3', 
  		'\u03B4', '\u03B5', '\u03B6', '\u03B7', '\u03B8', '\u03B9', 
  		'\u03BA', '\u03BB', '\u03BC', '\u03BD', '\u03BE', '\u03BF', 
  		'\u03C0', '\u03C1', '\u03C2', '\u03C3', '\u03C4', '\u03C5', 
  		'\u03C6', '\u03C7', '\u03C8', '\u03C9', '\u03CA', '\u03CB', 
  		'\u03CC', '\u03CD', '\u03CE', '\u003F', 
  	};
  
  	// Get the number of bytes needed to encode a character buffer.
  	public unsafe override int GetByteCountImpl (char* chars, int count)
  	{
  		if (this.EncoderFallback != null)		{
  			//Calculate byte count by actually doing encoding and discarding the data.
  			return GetBytesImpl(chars, count, null, 0);
  		}
  		else
  		
  		{
  			return count;
  		}
  	}
  	
  	// Get the number of bytes needed to encode a character buffer.
  	public override int GetByteCount (String s)
  	{
  		if (this.EncoderFallback != null)
  		{
  			//Calculate byte count by actually doing encoding and discarding the data.
  			unsafe
  			{
  				fixed (char *s_ptr = s)
  				{
  					return GetBytesImpl(s_ptr, s.Length, null, 0);
  				}
  			}
  		}
  		else
  		{
  			//byte count equals character count because no EncoderFallback set
  			return s.Length;
  		}
  	}
  	
  	//ToBytes is just an alias for GetBytesImpl, but doesn't return byte count
  	protected unsafe override void ToBytes(char* chars, int charCount,
  	                                byte* bytes, int byteCount)
  	{
  		//Calling ToBytes with null destination buffer doesn't make any sense
  		if (bytes == null)
  			throw new ArgumentNullException("bytes");
  		GetBytesImpl(chars, charCount, bytes, byteCount);
  	}
  	
  	public unsafe override int GetBytesImpl (char* chars, int charCount,
  	                                         byte* bytes, int byteCount)
  	{
  		int ch;
  		int charIndex = 0;
  		int byteIndex = 0;
  #if NET_2_0
  		EncoderFallbackBuffer buffer = null;
  #endif
  		while (charCount > 0)
  		{
  			ch = (int)(chars[charIndex]);
  			charIndex++;
  			charCount--;
  			if(ch >= 128) switch(ch)
  			{
  				case 0x0081:
  				case 0x0088:
  				case 0x008A:
  				case 0x008C:
  				case 0x008D:
  				case 0x008E:
  				case 0x008F:
  				case 0x0090:
  				case 0x0098:
  				case 0x009A:
  				case 0x009C:
  				case 0x009D:
  				case 0x009E:
  				case 0x009F:
  				case 0x00A0:
  				case 0x00A3:
  				case 0x00A4:
  				case 0x00A5:
  				case 0x00A6:
  				case 0x00A7:
  				case 0x00A8:
  				case 0x00A9:
  				case 0x00AA:
  				case 0x00AB:
  				case 0x00AC:
  				case 0x00AD:
  				case 0x00AE:
  				case 0x00B0:
  				case 0x00B1:
  				case 0x00B2:
  				case 0x00B3:
  				case 0x00B5:
  				case 0x00B6:
  				case 0x00B7:
  				case 0x00BB:
  				case 0x00BD:
  					break;
  				case 0x0192: ch = 0x83; break;
  				case 0x0384: ch = 0xB4; break;
  				case 0x0385: ch = 0xA1; break;
  				case 0x0386: ch = 0xA2; break;
  				case 0x0388: ch = 0xB8; break;
  				case 0x0389: ch = 0xB9; break;
  				case 0x038A: ch = 0xBA; break;
  				case 0x038C: ch = 0xBC; break;
  				case 0x038E:
  				case 0x038F:
  				case 0x0390:
  				case 0x0391:
  				case 0x0392:
  				case 0x0393:
  				case 0x0394:
  				case 0x0395:
  				case 0x0396:
  				case 0x0397:
  				case 0x0398:
  				case 0x0399:
  				case 0x039A:
  				case 0x039B:
  				case 0x039C:
  				case 0x039D:
  				case 0x039E:
  				case 0x039F:
  				case 0x03A0:
  				case 0x03A1:
  					ch -= 0x02D0;
  					break;
  				case 0x03A3:
  				case 0x03A4:
  				case 0x03A5:
  				case 0x03A6:
  				case 0x03A7:
  				case 0x03A8:
  				case 0x03A9:
  				case 0x03AA:
  				case 0x03AB:
  				case 0x03AC:
  				case 0x03AD:
  				case 0x03AE:
  				case 0x03AF:
  				case 0x03B0:
  				case 0x03B1:
  				case 0x03B2:
  				case 0x03B3:
  				case 0x03B4:
  				case 0x03B5:
  				case 0x03B6:
  				case 0x03B7:
  				case 0x03B8:
  				case 0x03B9:
  				case 0x03BA:
  				case 0x03BB:
  				case 0x03BC:
  				case 0x03BD:
  				case 0x03BE:
  				case 0x03BF:
  				case 0x03C0:
  				case 0x03C1:
  				case 0x03C2:
  				case 0x03C3:
  				case 0x03C4:
  				case 0x03C5:
  				case 0x03C6:
  				case 0x03C7:
  				case 0x03C8:
  				case 0x03C9:
  				case 0x03CA:
  				case 0x03CB:
  				case 0x03CC:
  				case 0x03CD:
  				case 0x03CE:
  					ch -= 0x02D0;
  					break;
  				case 0x03D5: ch = 0xF6; break;
  				case 0x2013: ch = 0x96; break;
  				case 0x2014: ch = 0x97; break;
  				case 0x2015: ch = 0xAF; break;
  				case 0x2018: ch = 0x91; break;
  				case 0x2019: ch = 0x92; break;
  				case 0x201A: ch = 0x82; break;
  				case 0x201C: ch = 0x93; break;
  				case 0x201D: ch = 0x94; break;
  				case 0x201E: ch = 0x84; break;
  				case 0x2020: ch = 0x86; break;
  				case 0x2021: ch = 0x87; break;
  				case 0x2022: ch = 0x95; break;
  				case 0x2026: ch = 0x85; break;
  				case 0x2030: ch = 0x89; break;
  				case 0x2039: ch = 0x8B; break;
  				case 0x203A: ch = 0x9B; break;
  				case 0x20AC: ch = 0x80; break;
  				case 0x2122: ch = 0x99; break;
  				default:
  				{
  					if(ch >= 0xFF01 && ch <= 0xFF5E)
  					{
  						ch -= 0xFEE0;
  					}
  					else
  					{
  						HandleFallback (ref buffer, chars, ref charIndex, ref charCount, bytes, ref byteIndex, ref byteCount);
  						continue;
  					}
  				}
  				break;
  			}
  			//Write encoded byte to buffer, if buffer is defined and fallback was not used
  			if (bytes != null)
  				bytes[byteIndex] = (byte)ch;
  			byteIndex++;
  			byteCount--;
  		}
  		return byteIndex;
  	}
  
  	/*
  	protected override void ToBytes(String s, int charIndex, int charCount,
  	                                byte[] bytes, int byteIndex)
  	{
  		int ch;
  		while(charCount > 0)
  		{
  			ch = (int)(s[charIndex++]);
  			if(ch >= 128) switch(ch)
  			{
  				case 0x0081:
  				case 0x0088:
  				case 0x008A:
  				case 0x008C:
  				case 0x008D:
  				case 0x008E:
  				case 0x008F:
  				case 0x0090:
  				case 0x0098:
  				case 0x009A:
  				case 0x009C:
  				case 0x009D:
  				case 0x009E:
  				case 0x009F:
  				case 0x00A0:
  				case 0x00A3:
  				case 0x00A4:
  				case 0x00A5:
  				case 0x00A6:
  				case 0x00A7:
  				case 0x00A8:
  				case 0x00A9:
  				case 0x00AA:
  				case 0x00AB:
  				case 0x00AC:
  				case 0x00AD:
  				case 0x00AE:
  				case 0x00B0:
  				case 0x00B1:
  				case 0x00B2:
  				case 0x00B3:
  				case 0x00B5:
  				case 0x00B6:
  				case 0x00B7:
  				case 0x00BB:
  				case 0x00BD:
  					break;
  				case 0x0192: ch = 0x83; break;
  				case 0x0384: ch = 0xB4; break;
  				case 0x0385: ch = 0xA1; break;
  				case 0x0386: ch = 0xA2; break;
  				case 0x0388: ch = 0xB8; break;
  				case 0x0389: ch = 0xB9; break;
  				case 0x038A: ch = 0xBA; break;
  				case 0x038C: ch = 0xBC; break;
  				case 0x038E:
  				case 0x038F:
  				case 0x0390:
  				case 0x0391:
  				case 0x0392:
  				case 0x0393:
  				case 0x0394:
  				case 0x0395:
  				case 0x0396:
  				case 0x0397:
  				case 0x0398:
  				case 0x0399:
  				case 0x039A:
  				case 0x039B:
  				case 0x039C:
  				case 0x039D:
  				case 0x039E:
  				case 0x039F:
  				case 0x03A0:
  				case 0x03A1:
  					ch -= 0x02D0;
  					break;
  				case 0x03A3:
  				case 0x03A4:
  				case 0x03A5:
  				case 0x03A6:
  				case 0x03A7:
  				case 0x03A8:
  				case 0x03A9:
  				case 0x03AA:
  				case 0x03AB:
  				case 0x03AC:
  				case 0x03AD:
  				case 0x03AE:
  				case 0x03AF:
  				case 0x03B0:
  				case 0x03B1:
  				case 0x03B2:
  				case 0x03B3:
  				case 0x03B4:
  				case 0x03B5:
  				case 0x03B6:
  				case 0x03B7:
  				case 0x03B8:
  				case 0x03B9:
  				case 0x03BA:
  				case 0x03BB:
  				case 0x03BC:
  				case 0x03BD:
  				case 0x03BE:
  				case 0x03BF:
  				case 0x03C0:
  				case 0x03C1:
  				case 0x03C2:
  				case 0x03C3:
  				case 0x03C4:
  				case 0x03C5:
  				case 0x03C6:
  				case 0x03C7:
  				case 0x03C8:
  				case 0x03C9:
  				case 0x03CA:
  				case 0x03CB:
  				case 0x03CC:
  				case 0x03CD:
  				case 0x03CE:
  					ch -= 0x02D0;
  					break;
  
gt: 				case 0x03D5: ch = 0xF6; break;