lib/base/encoding.cpp

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