From: Robert Klemme <bob.news@...>
Date: 2005-11-15T00:17:16+09:00
Subject: Re: trouble reading a gzipped xml-file

Guido de Melo wrote:
> Hi,
> 
> I'm trying to read a gzipped xml-file into rexml, but I don't quite
> succeed. Perhaps someone can help me. Till now I tried this:
> 
> #!/usr/bin/ruby -w
> 
> require 'zlib'
> require 'rexml/document'
> 
> Zlib::GzipReader.open('file.dia') {|gz|
>    print gz.read
> }
> # this prints everything nicely and it works
> 
> f = Zlib::GzipReader.open("file.dia")
> s = f.read
> p s

You're not closing f here.

> # now the ungzipped contents are in s, they look like this however:
> # "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<dia:diagram
> # xmlns:dia=\"http://www.lysator.liu.se/~alla/dia/\">\n
> # <dia:diagramdata>\n    <dia:attribute name=\"background\">\n
> # all in one line and encapsulated in ""
> # so of course the next command fails

I'm not so sure that it fails just because of this.

> xmldoc = REXML::Document.new s
> p xmldoc
> # gives: <UNDEFINED> ... </>
> 
> Any ideas on this? This can't be too difficult, I think...
> Guido

Did you try this?

xmldoc = Zlib::GzipReader.open('file.dia') {|gz| REXML::Document.new gz}

Kind regards

    robert