Parses a character string containing an RFC 3986 compliant URL as per NNG.
parse_url(url)character string containing a URL.
A named character vector of length 10, comprising:
rawurl - the unparsed URL string.
scheme - the URL scheme, such as "http" or "inproc"
(always lower case).
userinfo - the username and password if supplied in the
URL string.
host - the full host part of the URL, including the port
if present (separated by a colon).
hostname - the name of the host.
port - the port (if not specified, the default port if
defined by the scheme).
path - the path, typically used with HTTP or WebSocket.
query - the query info (typically following ? in the URL).
fragment - used for specifying an anchor, the part after #
in a URL.
requri - the full Request-URI (path[?query][#fragment]).
Values that cannot be determined are represented by an empty string
''.
parse_url("https://user:password@w3.org:8080/type/path?q=info#intro")
#> rawurl
#> "https://user:password@w3.org:8080/type/path?q=info#intro"
#> scheme
#> "https"
#> userinfo
#> "user:password"
#> host
#> "w3.org:8080"
#> hostname
#> "w3.org"
#> port
#> "8080"
#> path
#> "/type/path"
#> query
#> "q=info"
#> fragment
#> "intro"
#> requri
#> "/type/path?q=info#intro"
parse_url("tcp://192.168.0.2:5555")
#> rawurl scheme userinfo
#> "tcp://192.168.0.2:5555" "tcp" ""
#> host hostname port
#> "192.168.0.2:5555" "192.168.0.2" "5555"
#> path query fragment
#> "" "" ""
#> requri
#> ""