Retrieve XML file name using XSLT

Question

How can I retrieve the XML source file name using XSL 1.0 code?

Answer 1

With Xalan there is the following, non-official function :

I use it on a transformation of a local file and it gives me the absolute path of the XML file being transformed. I found that function browsing the Xalan code, it is part of the class FuncDoclocation.