lib/base/encoding.cpp

   1 #include <cstdio>
   2 #include <cstdlib>
   3 #include <lib/base/encoding.h>
   4 #include <lib/base/eerror.h>
   5
   6 eDVBTextEncodingHandler encodingHandler;  // the one and only instance
   7
   8 inline char toupper(char c)
   9 {
  10         switch (c)
  11         {
  12                 case 'a' ... 'z':
  13                         return c-32;
  14         }
  15         return c;
  16 }
  17
  18 eDVBTextEncodingHandler::eDVBTextEncodingHandler()
  19 {
  20         const char * file=DATADIR "/enigma2/encoding.conf";
  21         FILE *f = fopen(file, "rt");
  22         if (f)
  23         {
  24                 char *line = (char*) malloc(256);
  25                 size_t bufsize=256;
  26                 char countrycode[256];
  27                 while( getline(&line, &bufsize, f) != -1 )
  28                 {
  29                         if ( line[0] == '#' )
  30                                 continue;
  31                         int tsid, onid, encoding;
  32                         if ( (sscanf( line, "0x%x 0x%x ISO8859-%d", &tsid, &onid, &encoding ) == 3 )
  33                                         ||(sscanf( line, "%d %d ISO8859-%d", &tsid, &onid, &encoding ) == 3 ) )
  34                                 m_TransponderDefaultMapping[(tsid<<16)|onid]=encoding;
  35                         else if ( sscanf( line, "%s ISO8859-%d", countrycode, &encoding ) == 2 )
  36                         {
  37                                 m_CountryCodeDefaultMapping[countrycode]=encoding;
  38                                 countrycode[0]=toupper(countrycode[0]);
  39                                 countrycode[1]=toupper(countrycode[1]);
  40                                 countrycode[2]=toupper(countrycode[2]);
  41                                 m_CountryCodeDefaultMapping[countrycode]=encoding;
  42                         }
  43                         else if ( (sscanf( line, "0x%x 0x%x ISO%d", &tsid, &onid, &encoding ) == 3 && encoding == 6397 )
  44                                         ||(sscanf( line, "%d %d ISO%d", &tsid, &onid, &encoding ) == 3 && encoding == 6397 ) )
  45                                 m_TransponderDefaultMapping[(tsid<<16)|onid]=0;
  46                         else if ( sscanf( line, "%s ISO%d", countrycode, &encoding ) == 2 && encoding == 6397 )
  47                         {
  48                                 m_CountryCodeDefaultMapping[countrycode]=0;
  49                                 countrycode[0]=toupper(countrycode[0]);
  50                                 countrycode[1]=toupper(countrycode[1]);
  51                                 countrycode[2]=toupper(countrycode[2]);
  52                                 m_CountryCodeDefaultMapping[countrycode]=0;
  53                         }
  54                         else if ( (sscanf( line, "0x%x 0x%x", &tsid, &onid ) == 2 )
  55                                         ||(sscanf( line, "%d %d", &tsid, &onid ) == 2 ) )
  56                                 m_TransponderUseTwoCharMapping.insert((tsid<<16)|onid);
  57                         else
  58                                 eDebug("couldn't parse %s", line);
  59                 }
  60                 fclose(f);
  61                 free(line);
  62         }
  63         else
  64                 eDebug("[eDVBTextEncodingHandler] couldn't open %s !", file);
  65 }
  66
  67 void eDVBTextEncodingHandler::getTransponderDefaultMapping(int tsidonid, int &table)
  68 {
  69         std::map<int, int>::iterator it =
  70                 m_TransponderDefaultMapping.find(tsidonid);
  71         if ( it != m_TransponderDefaultMapping.end() )
  72                 table = it->second;
  73 }
  74
  75 bool eDVBTextEncodingHandler::getTransponderUseTwoCharMapping(int tsidonid)
  76 {
  77         return m_TransponderUseTwoCharMapping.find(tsidonid) != m_TransponderUseTwoCharMapping.end();
  78 }
  79
  80 int eDVBTextEncodingHandler::getCountryCodeDefaultMapping( const std::string &country_code )
  81 {
  82         std::map<std::string, int>::iterator it =
  83                 m_CountryCodeDefaultMapping.find(country_code);
  84         if ( it != m_CountryCodeDefaultMapping.end() )
  85                 return it->second;
  86         return 1;  // ISO8859-1 / Latin1
  87 }