src/visualizer/StringHacks.cpp

   1 /** Aesalon, a tool to visualize program behaviour in real time.
   2         Copyright (C) 2009-2011, Aesalon development team.
   3
   4         Aesalon is distributed under the terms of the GNU GPLv3. See
   5         the included file LICENSE for more information.
   6
   7         @file src/visualizer/StringHacks.cpp
   8 */
   9
  10 #include "visualizer/StringHacks.h"
  11
  12 std::ostream &operator<<(std::ostream &stream, const QString &string) {
  13         stream << string.toStdString();
  14         return stream;
  15 }
  16
  17 uint qHash(const std::string &string) {
  18         /* Hashing algorithm: djb2. */
  19         uint hash = 0;
  20         int c = 0;
  21         const char *p = string.c_str();
  22         while((c = (*p++))) {
  23                 hash = c + (hash << 6) + (hash << 16) - hash;
  24         }
  25
  26         return hash;
  27 }