lib/base/encoding.cpp

   1 #include <cstdlib>
   2 #include <lib/base/encoding.h>
   3 #include <lib/base/eerror.h>
   4
   5 eDVBTextEncodingHandler encodingHandler;  // the one and only instance
   6
   7 inline 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, "0x%x 0x%x ISO8859-%d", &tsid, &onid, &encoding ) == 3 )
  32                                         ||(sscanf( line, "%d %d ISO8859-%d", &tsid, &onid, &encoding ) == 3 ) )
  33                                 m_TransponderDefaultMapping[(tsid<<16)|onid]=encoding;
  34                         else if ( sscanf( line, "%s ISO8859-%d", countrycode, &encoding ) == 2 )
  35                         {
  36                                 m_CountryCodeDefaultMapping[countrycode]=encoding;
  37                                 countrycode[0]=toupper(countrycode[0]);
  38                                 countrycode[1]=toupper(countrycode[1]);
  39                                 countrycode[2]=toupper(countrycode[2]);
  40                                 m_CountryCodeDefaultMapping[countrycode]=encoding;
  41                         }
  42                         else if ( (sscanf( line, "0x%x 0x%x ISO%d", &tsid, &onid, &encoding ) == 3 && encoding == 6397 )
  43                                         ||(sscanf( line, "%d %d ISO%d", &tsid, &onid, &encoding ) == 3 && encoding == 6397 ) )
  44                                 m_TransponderDefaultMapping[(tsid<<16)|onid]=64;
  45                         else if ( sscanf( line, "%s ISO%d", countrycode, &encoding ) == 2 && encoding == 6397 )
  46                         {
  47                                 m_CountryCodeDefaultMapping[countrycode]=64;
  48                                 countrycode[0]=toupper(countrycode[0]);
  49                                 countrycode[1]=toupper(countrycode[1]);
  50                                 countrycode[2]=toupper(countrycode[2]);
  51                                 m_CountryCodeDefaultMapping[countrycode]=64;
  52                         }
  53                         else if ( (sscanf( line, "0x%x 0x%x", &tsid, &onid ) == 2 )
  54                                         ||(sscanf( line, "%d %d", &tsid, &onid ) == 2 ) )
  55                                 m_TransponderUseTwoCharMapping.insert((tsid<<16)|onid);
  56                         else
  57                                 eDebug("couldn't parse %s", line);
  58                 }
  59                 fclose(f);
  60                 free(line);
  61         }
  62         else
  63                 eDebug("[eDVBTextEncodingHandler] couldn't open %s !", file);
  64 }
  65
  66 void eDVBTextEncodingHandler::getTransponderDefaultMapping(int tsidonid, int &table)
  67 {
  68         std::map<int, int>::iterator it =
  69                 m_TransponderDefaultMapping.find(tsidonid);
  70         if ( it != m_TransponderDefaultMapping.end() )
  71                 table = it->second;
  72 }
  73
  74 bool eDVBTextEncodingHandler::getTransponderUseTwoCharMapping(int tsidonid)
  75 {
  76         return m_TransponderUseTwoCharMapping.find(tsidonid) != m_TransponderUseTwoCharMapping.end();
  77 }
  78
  79 int eDVBTextEncodingHandler::getCountryCodeDefaultMapping( const std::string &country_code )
  80 {
  81         std::map<std::string, int>::iterator it =
  82                 m_CountryCodeDefaultMapping.find(country_code);
  83         if ( it != m_CountryCodeDefaultMapping.end() )
  84                 return it->second;
  85         return 0;  // ISO8859-1 / Latin1
  86 }