boost::urls::url_view_base::host

Return the host

Synopsis

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

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

Description

This function returns the host portion of the authority as a string, or the empty string if there is no authority. Any percent-escapes in the string are decoded first.

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

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

Calls to allocate may throw.

host = IP-literal / IPv4address / reg-name IP-literal = "[" ( IPv6address / IPvFuture ) "]" reg-name = *( unreserved / pct-encoded / "-" / ".")
  • 3.2.2. Host (rfc3986)

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