context: /*
   * CP21025.cs - IBM EBCDIC (Cyrillic - Serbian, Bulgarian) 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-1025.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.Rare
  {
  
  using System;
  using System.Text;
  using I18N.Common;
  
  [Serializable]
  public class CP21025 : ByteEncoding
  {
  	public CP21025()
  		: base(21025, ToChars, "IBM EBCDIC (Cyrillic - Serbian, Bulgarian)",
  		       "IBM1025", "IBM1025", "IBM1025",
  		       false, false, false, false, 1257)
  	{}
  
  	private static readonly char[] ToChars = {
  		'\u0000', '\u0001', '\u0002', '\u0003', '\u009C', '\u0009', 
  		'\u0086', '\u007F', '\u0097', '\u008D', '\u008E', '\u000B', 
  		'\u000C', '\u000D', '\u000E', '\u000F', '\u0010', '\u0011', 
  		'\u0012', '\u0013', '\u009D', '\u0085', '\u0008', '\u0087', 
  		'\u0018', '\u0019', '\u0092', '\u008F', '\u001C', '\u001D', 
  		'\u001E', '\u001F', '\u0080', '\u0081', '\u0082', '\u0083', 
  		'\u0084', '\u000A', '\u0017', '\u001B', '\u0088', '\u0089', 
  		'\u008A', '\u008B', '\u008C', '\u0005', '\u0006', '\u0007', 
  		'\u0090', '\u0091', '\u0016', '\u0093', '\u0094', '\u0095', 
  		'\u0096', '\u0004', '\u0098', '\u0099', '\u009A', '\u009B', 
  		'\u0014', '\u0015', '\u009E', '\u001A', '\u0020', '\u00A0', 
  		'\u0452', '\u0453', '\u0451', '\u0454', '\u0455', '\u0456', 
  		'\u0457', '\u0458', '\u005B', '\u002E', '\u003C', '\u0028', 
  		'\u002B', '\u0021', '\u0026', '\u0459', '\u045A', '\u045B', 
  		'\u045C', '\u045E', '\u045F', '\u042A', '\u2116', '\u0402', 
  		'\u005D', '\u0024', '\u002A', '\u0029', '\u003B', '\u005E', 
  		'\u002D', '\u002F', '\u0403', '\u0401', '\u0404', '\u0405', 
  		'\u0406', '\u0407', '\u0408', '\u0409', '\u007C', '\u002C', 
  		'\u0025', '\u005F', '\u003E', '\u003F', '\u040A', '\u040B', 
  		'\u040C', '\u00AD', '\u040E', '\u040F', '\u044E', '\u0430', 
  		'\u0431', '\u0060', '\u003A', '\u0023', '\u0040', '\u0027', 
  		'\u003D', '\u0022', '\u0446', '\u0061', '\u0062', '\u0063', 
  		'\u0064', '\u0065', '\u0066', '\u0067', '\u0068', '\u0069', 
  		'\u0434', '\u0435', '\u0444', '\u0433', '\u0445', '\u0438', 
  		'\u0439', '\u006A', '\u006B', '\u006C', '\u006D', '\u006E', 
  		'\u006F', '\u0070', '\u0071', '\u0072', '\u043A', '\u043B', 
  		'\u043C', '\u043D', '\u043E', '\u043F', '\u044F', '\u007E', 
  		'\u0073', '\u0074', '\u0075', '\u0076', '\u0077', '\u0078', 
  		'\u0079', '\u007A', '\u0440', '\u0441', '\u0442', '\u0443', 
  		'\u0436', '\u0432', '\u044C', '\u044B', '\u0437', '\u0448', 
  		'\u044D', '\u0449', '\u0447', '\u044A', '\u042E', '\u0410', 
  		'\u0411', '\u0426', '\u0414', '\u0415', '\u0424', '\u0413', 
  		'\u007B', '\u0041', '\u0042', '\u0043', '\u0044', '\u0045', 
  		'\u0046', '\u0047', '\u0048', '\u0049', '\u0425', '\u0418', 
  		'\u0419', '\u041A', '\u041B', '\u041C', '\u007D', '\u004A', 
  		'\u004B', '\u004C', '\u004D', '\u004E', '\u004F', '\u0050', 
  		'\u0051', '\u0052', '\u041D', '\u041E', '\u041F', '\u042F', 
  		'\u0420', '\u0421', '\u005C', '\u00A7', '\u0053', '\u0054', 
  		'\u0055', '\u0056', '\u0057', '\u0058', '\u0059', '\u005A', 
  		'\u0422', '\u0423', '\u0416', '\u0412', '\u042C', '\u042B', 
  		'\u0030', '\u0031', '\u0032', '\u0033', '\u0034', '\u0035', 
  		'\u0036', '\u0037', '\u0038', '\u0039', '\u0417', '\u0428', 
  		'\u042D', '\u0429', '\u0427', '\u009F', 
  	};
  
  	// 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 >= 4) switch(ch)
  			{
  				case 0x000B:
  				case 0x000C:
  				case 0x000D:
  				case 0x000E:
  				case 0x000F:
  				case 0x0010:
  				case 0x0011:
  				case 0x0012:
  				case 0x0013:
  				case 0x0018:
  				case 0x0019:
  				case 0x001C:
  				case 0x001D:
  				case 0x001E:
  				case 0x001F:
  					break;
  				case 0x0004: ch = 0x37; break;
  				case 0x0005: ch = 0x2D; break;
  				case 0x0006: ch = 0x2E; break;
  				case 0x0007: ch = 0x2F; break;
  				case 0x0008: ch = 0x16; break;
  				case 0x0009: ch = 0x05; break;
  				case 0x000A: ch = 0x25; break;
  				case 0x0014: ch = 0x3C; break;
  				case 0x0015: ch = 0x3D; break;
  				case 0x0016: ch = 0x32; break;
  				case 0x0017: ch = 0x26; break;
  				case 0x001A: ch = 0x3F; break;
  				case 0x001B: ch = 0x27; break;
  				case 0x0020: ch = 0x40; break;
  				case 0x0021: ch = 0x4F; break;
  				case 0x0022: ch = 0x7F; break;
  				case 0x0023: ch = 0x7B; break;
  				case 0x0024: ch = 0x5B; break;
  				case 0x0025: ch = 0x6C; break;
  				case 0x0026: ch = 0x50; break;
  				case 0x0027: ch = 0x7D; break;
  				case 0x0028: ch = 0x4D; break;
  				case 0x0029: ch = 0x5D; break;
  				case 0x002A: ch = 0x5C; break;
  				case 0x002B: ch = 0x4E; break;
  				case 0x002C: ch = 0x6B; break;
  				case 0x002D: ch = 0x60; break;
  				case 0x002E: ch = 0x4B; break;
  				case 0x002F: ch = 0x61; break;
  				case 0x0030:
  				case 0x0031:
  				case 0x0032:
  				case 0x0033:
  				case 0x0034:
  				case 0x0035:
  				case 0x0036:
  				case 0x0037:
  				case 0x0038:
  				case 0x0039:
  					ch += 0x00C0;
  					break;
  				case 0x003A: ch = 0x7A; break;
  				case 0x003B: ch = 0x5E; break;
  				case 0x003C: ch = 0x4C; break;
  				case 0x003D: ch = 0x7E; break;
  				case 0x003E: ch = 0x6E; break;
  				case 0x003F: ch = 0x6F; break;
  				case 0x0040: ch = 0x7C; break;
  				case 0x0041:
  				case 0x0042:
  				case 0x0043:
  				case 0x0044:
  				case 0x0045:
  				case 0x0046:
  				case 0x0047:
  				case 0x0048:
  				case 0x0049:
  					ch += 0x0080;
  					break;
  				case 0x004A:
  				case 0x004B:
  				case 0x004C:
  				case 0x004D:
  				case 0x004E:
  				case 0x004F:
  				case 0x0050:
  				case 0x0051:
  				case 0x0052:
  					ch += 0x0087;
  					break;
  				case 0x0053:
  				case 0x0054:
  				case 0x0055:
  				case 0x0056:
  				case 0x0057:
  				case 0x0058:
  				case 0x0059:
  				case 0x005A:
  					ch += 0x008F;
  					break;
  				case 0x005B: ch = 0x4A; break;
  				case 0x005C: ch = 0xE0; break;
  				case 0x005D: ch = 0x5A; break;
  				case 0x005E: ch = 0x5F; break;
  				case 0x005F: ch = 0x6D; break;
  				case 0x0060: ch = 0x79; break;
  				case 0x0061:
  				case 0x0062:
  				case 0x0063:
  				case 0x0064:
  				case 0x0065:
  				case 0x0066:
  				case 0x0067:
  				case 0x0068:
  				case 0x0069:
  					ch += 0x0020;
  					break;
  				case 0x006A:
  				case 0x006B:
  				case 0x006C:
  				case 0x006D:
  				case 0x006E:
  				case 0x006F:
  				case 0x0070:
  				case 0x0071:
  				case 0x0072:
  					ch += 0x0027;
  					break;
  				case 0x0073:
  				case 0x0074:
  				case 0x0075:
  				case 0x0076:
  				case 0x0077:
  				case 0x0078:
  				case 0x0079:
  				case 0x007A:
  					ch += 0x002F;
  					break;
  				case 0x007B: ch = 0xC0; break;
  				case 0x007C: ch = 0x6A; break;
  				case 0x007D: ch = 0xD0; break;
  				case 0x007E: ch = 0xA1; break;
  				case 0x007F: ch = 0x07; break;
  				case 0x0080:
  				case 0x0081:
  				case 0x0082:
  				case 0x0083:
  				case 0x0084:
  					ch -= 0x0060;
  					break;
  				case 0x0085: ch = 0x15; break;
  				case 0x0086: ch = 0x06; break;
  				case 0x0087: ch = 0x17; break;
  				case 0x0088:
  				case 0x0089:
  				case 0x008A:
  				case 0x008B:
  				case 0x008C:
  					ch -= 0x0060;
  					break;
  				case 0x008D: ch = 0x09; break;
  				case 0x008E: ch = 0x0A; break;
  				case 0x008F: ch = 0x1B; break;
  				case 0x0090: ch = 0x30; break;
  				case 0x0091: ch = 0x31; break;
  				case 0x0092: ch = 0x1A; break;
  				case 0x0093:
  				case 0x0094:
  				case 0x0095:
  				case 0x0096:
  					ch -= 0x0060;
  					break;
  				case 0x0097: ch = 0x08; break;
  				case 0x0098:
  				case 0x0099:
  				case 0x009A:
  				case 0x009B:
  					ch -= 0x0060;
  					break;
  				case 0x009C: ch = 0x04; break;
  				case 0x009D: ch = 0x14; break;
  				case 0x009E: ch = 0x3E; break;
  				case 0x009F: ch = 0xFF; break;
  				case 0x00A0: ch = 0x41; break;
  				case 0x00A7: ch = 0xE1; break;
  				case 0x00AD: ch = 0x73; break;
  				case 0x0401: ch = 0x63; break;
  				case 0x0402: ch = 0x59; break;
  				case 0x0403: ch = 0x62; break;
  				case 0x0404:
  				case 0x0405:
  				case 0x0406:
  				case 0x0407:
  				case 0x0408:
  				case 0x0409:
  					ch -= 0x03A0;
  					break;
  				case 0x040A: ch = 0x70; break;
  				case 0x040B: ch = 0x71; break;
  				case 0x040C: ch = 0x72; break;
  				case 0x040E: ch = 0x74; break;
  				case 0x040F: ch = 0x75; break;
  				case 0x0410: ch = 0xB9; break;
  				case 0x0411: ch = 0xBA; break;
  				case 0x0412: ch = 0xED; break;
  				case 0x0413: ch = 0xBF; break;
  				case 0x0414: ch = 0xBC; break;
  				case 0x0415: ch = 0xBD; break;
  				case 0x0416: ch = 0xEC; break;
  				case 0x0417: ch = 0xFA; break;
  				case 0x0418:
  				case 0x0419:
  				case 0x041A:
  				case 0x041B:
  				case 0x041C:
  					ch -= 0x034D;
  					break;
  				case 0x041D: ch = 0xDA; break;
  				case 0x041E: ch = 0xDB; break;
  				case 0x041F: ch = 0xDC; break;
  				case 0x0420: ch = 0xDE; break;
  				case 0x0421: ch = 0xDF; break;
  				case 0x0422: ch = 0xEA; break;
  				case 0x0423: ch = 0xEB; break;
  				case 0x0424: ch = 0xBE; break;
  				case 0x0425: ch = 0xCA; break;
  				case 0x0426: ch = 0xBB; break;
  				case 0x0427: ch = 0xFE; break;
  				case 0x0428: ch = 0xFB; break;
  				case 0x0429: ch = 0xFD; break;
  				case 0x042A: ch = 0x57; break;
  				case 0x042B: ch = 0xEF; break;
  				case 0x042C: ch = 0xEE; break;
  				case 0x042D: ch = 0xFC; break;
  				case 0x042E: ch = 0xB8; break;
  				case 0x042F: ch = 0xDD; break;
  				case 0x0430: ch = 0x77; break;
  				case 0x0431: ch = 0x78; break;
  				case 0x0432: ch = 0xAF; break;
  				case 0x0433: ch = 0x8D; break;
  				case 0x0434: ch = 0x8A; break;
  				case 0x0435: ch = 0x8B; break;
  				case 0x0436: ch = 0xAE; break;
  				case 0x0437: ch = 0xB2; break;
  				case 0x0438: ch = 0x8F; break;
  				case 0x0439: ch = 0x90; break;
  				case 0x043A:
  				case 0x043B:
  				case 0x043C:
  				case 0x043D:
  				case 0x043E:
  				case 0x043F:
  					ch -= 0x03A0;
  					break;
  				case 0x0440:
  				case 0x0441:
  				case 0x0442:
  				case 0x0443:
  					ch -= 0x0396;
  					break;
  				case 0x0444: ch = 0x8C; break;
  				case 0x0445: ch = 0x8E; break;
  				case 0x0446: ch = 0x80; break;
  				case 0x0447: ch = 0xB6; break;
  				case 0x0448: ch = 0xB3; break;
  				case 0x0449: ch = 0xB5; break;
  				case 0x044A: ch = 0xB7; break;
  				case 0x044B: ch = 0xB1; break;
  				case 0x044C: ch = 0xB0; break;
  				case 0x044D: ch = 0xB4; break;
  				case 0x044E: ch = 0x76; break;
  				case 0x044F: ch = 0xA0; break;
  				case 0x0451: ch = 0x44; break;
  				case 0x0452: ch = 0x42; break;
  				case 0x0453: ch = 0x43; break;
  				case 0x0454:
  				case 0x0455:
  				case 0x0456:
  				case 0x0457:
  				case 0x0458:
  					ch -= 0x040F;
  					break;
  				case 0x0459:
  				case 0x045A:
  				case 0x045B:
  				case 0x045C:
  					ch -= 0x0408;
  					break;
  
gt: 				case 0x045E: ch = 0x55; break;