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These functions and methods allow us to query and set the “name” of an XML document. This is intended to be its URL or file name or a description of its origin if raw XML content provided as a string.
docName(doc, ...)
the XML document object, of class
XMLInternalDocument
or XMLDocument
.
additional methods for methods
A character string giving the name.
If the document was created from text, this is NA
(of class character).
The assignment function returns the updated object, but the R assignment operation will return the value on the right of the assignment!
# NOT RUN {
f = system.file("exampleData", "catalog.xml", package = "XML")
doc = xmlInternalTreeParse(f)
docName(doc)
doc = xmlInternalTreeParse("<a><b/></a>", asText = TRUE)
# an NA
docName(doc)
docName(doc) = "Simple XML example"
docName(doc)
# }
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