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  1. #include <bitset>
  2. #include <sstream>
  3. #include <iostream>
  4. #include <cinttypes>
  5.  
  6. namespace my
  7. {
  8.     template<size_t S> 
  9.     std::istream &operator >> (std::istream &is, std::bitset<S> &bits)
  10.     {
  11.         std::uint8_t byte;
  12.         size_t i = 0;
  13.         while(i < S && (is >> byte))
  14.             for(size_t j = 0; j < 8 && i < S; ++j)
  15.                 bits[i++] = (byte >> j) & 1;
  16.         return is;
  17.     }
  18. }
  19.  
  20. int main()
  21. {
  22.  
  23.     constexpr size_t bytes = 2;
  24.     std::string bit_string("\x00\xFF", bytes);
  25.     std::istringstream bit_stream(bit_string);
  26.  
  27.     std::bitset<8 * bytes> b;
  28.  
  29.     {
  30.         using namespace my;
  31.         bit_stream >> b;
  32.     }
  33.  
  34.     std::cout << b << std::endl;
  35.  
  36.     for(size_t i = 0; i < b.size(); ++i)
  37.         std::cout << b[i];
  38.  
  39.     std::cout << std::endl;
  40. }
Success #stdin #stdout 0s 3032KB
comments (?)
stdin 
Standard input is empty
stdout 
1111111100000000
0000000011111111
https://ideone.com/Is7xRy
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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