code.vuplus.com Git - vuplus_dvbapp/blob - lib/base/encoding.cpp

   1 #include <cstdio>
   2 #include <cstdlib>
   3 #include <lib/base/encoding.h>
   4 #include <lib/base/eerror.h>
   5 #include <lib/base/eenv.h>
   6
   7 eDVBTextEncodingHandler encodingHandler;  // the one and only instance
   8 int defaultEncodingTable = 1; // ISO8859-1 / Latin1
   9
  10 inline char toupper(char c)
  11 {
  12         return (c >= 'a' && c <= 'z') ? c - ('a' - 'A') : c;
  13 }
  14
  15 inline char tolower(char c)
  16 {
  17         return (c >= 'A' && c <= 'Z') ? c + ('a' - 'A') : c;
  18 }
  19
  20 eDVBTextEncodingHandler::eDVBTextEncodingHandler()
  21 {
  22         std::string file = eEnv::resolve("${datadir}/enigma2/encoding.conf");
  23         FILE *f = fopen(file.c_str(), "rt");
  24         if (f)
  25         {
  26                 char *line = (char*) malloc(256);
  27                 size_t bufsize=256;
  28                 char countrycode[256];
  29                 while( getline(&line, &bufsize, f) != -1 )
  30                 {
  31                         if ( line[0] == '#' )
  32                                 continue;
  33                         int tsid, onid, encoding;
  34                         if ( (sscanf( line, "0x%x 0x%x ISO8859-%d", &tsid, &onid, &encoding ) == 3 )
  35                                         ||(sscanf( line, "%d %d ISO8859-%d", &tsid, &onid, &encoding ) == 3 ) )
  36                                 m_TransponderDefaultMapping[(tsid<<16)|onid]=encoding;
  37                         else if ( sscanf( line, "%s ISO8859-%d", countrycode, &encoding ) == 2 )
  38                         {
  39                                 m_CountryCodeDefaultMapping[countrycode]=encoding;
  40                                 countrycode[0]=toupper(countrycode[0]);
  41                                 countrycode[1]=toupper(countrycode[1]);
  42                                 countrycode[2]=toupper(countrycode[2]);
  43                                 m_CountryCodeDefaultMapping[countrycode]=encoding;
  44                         }
  45                         else if ( (sscanf( line, "0x%x 0x%x ISO%d", &tsid, &onid, &encoding ) == 3 && encoding == 6937 )
  46                                         ||(sscanf( line, "%d %d ISO%d", &tsid, &onid, &encoding ) == 3 && encoding == 6937 ) )
  47                                 m_TransponderDefaultMapping[(tsid<<16)|onid]=0;
  48                         else if ( sscanf( line, "%s ISO%d", countrycode, &encoding ) == 2 && encoding == 6937 )
  49                         {
  50                                 m_CountryCodeDefaultMapping[countrycode]=0;
  51                                 countrycode[0]=toupper(countrycode[0]);
  52                                 countrycode[1]=toupper(countrycode[1]);
  53                                 countrycode[2]=toupper(countrycode[2]);
  54                                 m_CountryCodeDefaultMapping[countrycode]=0;
  55                         }
  56                         else if ( (sscanf( line, "0x%x 0x%x", &tsid, &onid ) == 2 )
  57                                         ||(sscanf( line, "%d %d", &tsid, &onid ) == 2 ) )
  58                                 m_TransponderUseTwoCharMapping.insert((tsid<<16)|onid);
  59                         else
  60                                 eDebug("couldn't parse %s", line);
  61                 }
  62                 fclose(f);
  63                 free(line);
  64         }
  65         else
  66                 eDebug("[eDVBTextEncodingHandler] couldn't open %s !", file.c_str());
  67 }
  68
  69 void eDVBTextEncodingHandler::getTransponderDefaultMapping(int tsidonid, int &table)
  70 {
  71         std::map<unsigned int, int>::iterator it =
  72                 m_TransponderDefaultMapping.find(tsidonid);
  73         if ( it != m_TransponderDefaultMapping.end() )
  74                 table = it->second;
  75 }
  76
  77 bool eDVBTextEncodingHandler::getTransponderUseTwoCharMapping(int tsidonid)
  78 {
  79         return m_TransponderUseTwoCharMapping.find(tsidonid) != m_TransponderUseTwoCharMapping.end();
  80 }
  81
  82 int eDVBTextEncodingHandler::getCountryCodeDefaultMapping( const std::string &country_code )
  83 {
  84         std::map<std::string, int>::iterator it =
  85                 m_CountryCodeDefaultMapping.find(country_code);
  86         if ( it != m_CountryCodeDefaultMapping.end() )
  87                 return it->second;
  88         return defaultEncodingTable;
  89 }