boost::urls::url_view_base::host_name

Return the host name

Synopsis

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

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

Description

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

assert( url_view( "https://www%2droot.example.com/" ).host_name() == "www-root.example.com" );

Linear in `this‐>host_name().size()`.

Calls to allocate may throw.

host        = IP-literal / IPv4address / reg-name

IP-literal  = "[" ( IPv6address / IPvFuture  ) "]"

reg-name    = *( unreserved / pct-encoded / "-" / ".")

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