IP6.hpp

   1 #ifndef IP6_DOT_HPP
   2 #define IP6_DOT_HPP
   3
   4 #include <string>
   5 #include <string_view>
   6
   7 #include <glog/logging.h>
   8
   9 namespace IP6 {
  10 using namespace std::literals::string_view_literals;
  11
  12 auto is_private(std::string_view addr) -> bool;
  13 auto is_address(std::string_view addr) -> bool;
  14 auto is_address_literal(std::string_view addr) -> bool;
  15 auto to_address_literal(std::string_view addr) -> std::string;
  16 auto reverse(std::string_view addr) -> std::string;
  17
  18 auto constexpr lit_pfx{"[IPv6:"sv};
  19 auto constexpr lit_pfx_sz{lit_pfx.size()};
  20
  21 auto constexpr lit_sfx{"]"sv};
  22 auto constexpr lit_sfx_sz{lit_sfx.size()};
  23
  24 auto constexpr lit_extra_sz{lit_pfx_sz + lit_sfx_sz};
  25
  26 auto constexpr loopback_literal{"[IPv6:::1]"};
  27
  28 constexpr auto as_address(std::string_view address_literal) -> std::string_view
  29 {
  30   // CHECK(is_address_literal(address_literal));
  31   return address_literal.substr(lit_pfx_sz,
  32                                 address_literal.length() - lit_extra_sz);
  33 }
  34
  35 } // namespace IP6
  36
  37 #endif // IP4_DOT_HPP