git.maemo.org Git - qtrapids/blob - src/include/qtrapids/format.hpp

   1 #ifndef _QTRAPIDS_FORMAT_HPP_
   2 #define _QTRAPIDS_FORMAT_HPP_
   3
   4 #include <qtrapids/info.hpp>
   5 #include <QtCore/QString>
   6
   7
   8
   9 namespace qtrapids
  10 {
  11
  12
  13     static inline QString formatProgress(uint progress)
  14     {
  15         return QString::number(progress / torrent_progress_percent);
  16     }
  17
  18     namespace
  19     {
  20
  21         static const qulonglong size_KB = 1024;
  22         static const qulonglong size_MB = size_KB << 10;
  23         static const qulonglong size_GB = size_MB << 10;
  24
  25         static char const* size_names[] = {
  26             "GB",
  27             "MB",
  28             "KB",
  29             "B"
  30         };
  31     }
  32
  33     static inline QString formatSize(qulonglong size)
  34     {
  35         qulonglong unit = size_GB;
  36         char const ** unit_name = &size_names[0];
  37         QString ret("");
  38         for (unit = size_GB; unit > 0; unit >>= 10, ++unit_name) {
  39             if (size & (~(unit - 1))) {
  40                 ret += (QString::number(size / unit) + *unit_name);
  41                 return ret;
  42             }
  43         }
  44         ret = QString::number(size) + "B";
  45         return ret;
  46     }
  47
  48
  49 } // namespace qtrapids
  50
  51 #endif // _QTRAPIDS_FORMAT_HPP_
  52