iobuffer.hpp

   1 #ifndef IOBUFFER_DOT_HPP
   2 #define IOBUFFER_DOT_HPP
   3
   4 #include "default_init_allocator.hpp"
   5
   6 #include <cstddef>
   7 #include <vector>
   8
   9 template <typename ByteT = std::byte>
  10 class iobuffer {
  11 public:
  12   using buffer_t  = std::vector<ByteT, default_init_allocator<ByteT>>;
  13   using size_type = typename buffer_t::size_type;
  14
  15   iobuffer() = default;
  16   explicit iobuffer(size_type sz)
  17     : buf_(sz)
  18   {
  19   }
  20
  21   auto data() { return buf_.data(); }
  22   auto data() const { return buf_.data(); }
  23   auto size() const { return buf_.size(); }
  24   auto resize(size_type sz) { return buf_.resize(sz); }
  25   void shrink_to_fit() { buf_.shrink_to_fit(); }
  26
  27   auto begin() const { return buf_.begin(); }
  28   auto end() const { return buf_.end(); }
  29
  30   bool operator==(iobuffer const& rhs) const
  31   {
  32     if (this->size() == rhs.size())
  33       return memcmp(this->data(), rhs.data(), this->size()) == 0;
  34     return false;
  35   }
  36
  37   bool operator<(iobuffer const& rhs) const
  38   {
  39     if (this->size() == rhs.size())
  40       return memcmp(this->data(), rhs.data(), this->size()) < 0;
  41     return this->size() < rhs.size();
  42   }
  43
  44 private:
  45   buffer_t buf_;
  46 };
  47
  48 #endif // IOBUFFER_DOT_HPP