boost::urls::url_view_base::zone_id

Return the IPv6 Zone ID

Synopsis

Declared in <include/boost/url/url_view_base.hpp>

template<class StringToken = string_token::return_string>
StringToken::result_type
zone_id(StringToken&& token) const;

Description

If the host type is host_type::ipv6 , this function returns the Zone ID as a string. Otherwise an empty string is returned. Any percent-escapes in the string are decoded first.

assert( url_view( "http://[fe80::1%25eth0]/" ).zone_id() == "eth0" );

Linear in `this->encoded_zone_id().size()`.

Calls to allocate may throw.

host = IP-literal / IPv4address / reg-name IP-literal = "[" ( IPv6address / IPv6addrz / IPvFuture ) "]" ZoneID = 1*( unreserved / pct-encoded ) IPv6addrz = IPv6address "%25" ZoneID
  • Representing IPv6 Zone Identifiers in Address Literals and Uniform Resource Identifiers

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