mcs/class/ByteFX.Data/mysqlclient/CharSetMap.cs

   1 using System;
   2 using System.Text;
   3 using System.Collections;
   4
   5 namespace ByteFX.Data.MySqlClient
   6 {
   7         /// <summary>
   8         /// Summary description for CharSetMap.
   9         /// </summary>
  10         internal class CharSetMap
  11         {
  12                 private static Hashtable mapping;
  13
  14                 /// <summary>
  15                 ///
  16                 /// </summary>
  17                 /// <param name="MySqlCharSetName"></param>
  18                 /// <returns></returns>
  19                 public static Encoding GetEncoding( string MySqlCharSetName )
  20                 {
  21                         if (mapping == null )
  22                                 InitializeMapping();
  23                         try
  24                         {
  25                                 int cpid = (int)mapping[ MySqlCharSetName ];
  26                                 return Encoding.GetEncoding( cpid );
  27                         }
  28                         catch (System.NotSupportedException)
  29                         {
  30                                 return Encoding.GetEncoding(0);
  31                         }
  32                 }
  33
  34                 /// <summary>
  35                 ///
  36                 /// </summary>
  37                 private static void InitializeMapping()
  38                 {
  39                         mapping = new Hashtable();
  40
  41                         // relatively sure about
  42                         mapping.Add( "default", 0 );
  43                         mapping.Add( "big5", 950 );                     // Traditional Chinese
  44                         mapping.Add( "latin1", 28591 );         // Latin alphabet #1
  45                         mapping.Add( "utf8", 65001 );
  46                         mapping.Add( "ucs2", 1200 );
  47                         mapping.Add( "latin2", 28592 );
  48                         mapping.Add( "latin4", 28594 );
  49                         mapping.Add( "latin3", 28593 );
  50                         mapping.Add( "latin5", 1254 );
  51                         mapping.Add( "cp1251", 1251 );          // Russian
  52                         mapping.Add( "win1251", 1251 );
  53                         mapping.Add( "hebrew", 1255 );          // Hebrew
  54                         mapping.Add( "greek", 1253 );           // Greek
  55                         mapping.Add( "sjis", 932 );                     // Shift-JIS
  56                         mapping.Add( "gbk", 936 );                      // Simplified Chinese
  57                         mapping.Add( "cp866", 866 );
  58                         mapping.Add( "euc_kr", 949 );
  59
  60                         // maybe, maybe not...
  61                         mapping.Add( "win1250", 1250 );         // Central Eurpoe
  62                         mapping.Add( "win1251ukr", 1251 );
  63                         mapping.Add( "latin1_de", 1252 );       // Latin1 German
  64                         mapping.Add( "german1", 1252 );         // German
  65                         mapping.Add( "danish", 1252 );          // Danish
  66                         mapping.Add( "dos", 437 );                      // Dos
  67                         mapping.Add( "pclatin2", 852 );
  68                         mapping.Add( "win1250ch", 1250 );
  69                         mapping.Add( "cp1257", 1257 );
  70                         mapping.Add( "usa7", 646 );
  71                         mapping.Add( "czech", 912 );
  72                         mapping.Add( "hungarian", 912 );
  73                         mapping.Add( "croat", 912 );
  74
  75 /*                      ("gb2312", "EUC_CN");
  76                         ("ujis", "EUC_JP");
  77                         ("latvian", "ISO8859_13");
  78                         ("latvian1", "ISO8859_13");
  79                         ("estonia", "ISO8859_13");
  80                         ("koi8_ru", "KOI8_R");
  81                         ("tis620", "TIS620");
  82                         ("macroman", "MacRoman");
  83                         ("macce", "MacCentralEurope");
  84 */
  85
  86                 }
  87         }
  88 }