spieleprogrammierer.de - Forum und Wiki zur Spieleprogrammierung und Spieleentwicklung

C-/C++-Quelltext

#include <algorithm>
#include <iostream>
#include <string>


template <class CharType>
class ShiftCipher
{
public:
  typedef CharType char_type;

private:
  int _offset;

public:

  explicit ShiftCipher(int offset)
    : _offset(offset)
  {
  }

  char_type operator ()(char_type c)
  {
    if (c >= 'A' && c <= 'Z')
      return (c + _offset) % 26 + 'A';
    else if (c >= 'a' && c <= 'z')
      return (c + _offset) % 26 + 'a';
    return c;
  }

};



int main()
{
  std::string blub = "hallo welt!";

  std::cout << blub << std::endl;

  std::transform(blub.begin(), blub.end(), blub.begin(), ShiftCipher<char>(13));

  std::cout << blub;

  return 0;
}