Line data    Source code

       1              : #include "Getline.hpp"
       2              : 
       3              : namespace Soldank
       4              : {
       5              : // Implementation copied from https://gist.github.com/josephwb/df09e3a71679461fc104
       6            0 : std::istream& GetlineSafe(std::istream& is, std::string& t)
       7              : {
       8            0 :     t.clear();
       9              : 
      10              :     // The characters in the stream are read one-by-one using a std::streambuf.
      11              :     // That is faster than reading them one-by-one using the std::istream.
      12              :     // Code that uses streambuf this way must be guarded by a sentry object.
      13              :     // The sentry object performs various tasks,
      14              :     // such as thread synchronization and updating the stream state.
      15              : 
      16            0 :     std::istream::sentry se(is, true);
      17            0 :     std::streambuf* sb = is.rdbuf();
      18              : 
      19              :     for (;;) {
      20            0 :         int c = sb->sbumpc();
      21            0 :         switch (c) {
      22            0 :             case '\n':
      23            0 :                 return is;
      24            0 :             case '\r':
      25            0 :                 if (sb->sgetc() == '\n') {
      26            0 :                     sb->sbumpc();
      27              :                 }
      28            0 :                 return is;
      29            0 :             case EOF:
      30              :                 // Also handle the case when the last line has no line ending
      31            0 :                 if (t.empty()) {
      32            0 :                     is.setstate(std::ios::eofbit);
      33              :                 }
      34            0 :                 return is;
      35            0 :             default:
      36            0 :                 t += (char)c;
      37              :         }
      38            0 :     }
      39              : }
      40              : } // namespace Soldank