lib/base/encoding.cpp

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