parseURI: Parse a URI string into its elements

In cosmicexplorer/xmlr: Tools for parsing and generating XML within R and S-Plus.

Description

This breaks a URI given as a string into its different elements such as protocol/scheme, host, port, file name, query. This information can be used, for example, when constructing URIs relative to a base URI.

The return value is an S3-style object of class URI.

This function uses libxml routines to perform the parsing.

Usage

parseURI(uri)

Arguments

uri	a single string

Value

A list with 8 elements

scheme	the name of the protocol being used, http, ftp as a string.
authority	a string represeting a rarely used aspect of URIs
server	a string identifying the host, e.g. www.omegahat.org
user	a string giving the name of the user, e.g. in FTP "ftp://[e-mail]", this would yield "duncan"
path	a string identifying the path of the target file
query	the CGI query part of the string, e.g. the bit after '?' of the form name=value&name=value
fragment	a string giving the coo
port	an integer identifying the port number on which the connection is to be made

See Also

getRelativeURL

Examples

  parseURI("http://www.omegahat.org:8080/RCurl/index.html")
  parseURI("ftp://[e-mail]:8080/RCurl/index.html")

  parseURI("ftp://[e-mail]:8080/RCurl/index.html#my_anchor")

  as(parseURI("http://[e-mail]:8080/RCurl/index.html#my_anchor"), "character")

  as(parseURI("ftp://[e-mail]:8080/RCurl/index.html?foo=1&bar=axd"), "character")

cosmicexplorer/xmlr documentation built on May 30, 2019, 8:28 a.m.