The URL of an XML document

This is useful for interpreting relative urls with url_relative().

Usage

xml_url(x)

Arguments

x

A node or document.

Value

A character vector of length 1. Returns NA if the name is not set.

Examples

catalog <- read_xml(xml2_example("cd_catalog.xml"))
xml_url(catalog)
#> [1] "/home/runner/work/_temp/Library/xml2/extdata/cd_catalog.xml"

x <- read_xml("<foo/>")
xml_url(x)
#> [1] NA