Parsing XML and how to handle nested Arrays and Hashes

Question

I'm using this instance variable:

@response = HTTParty.get("http://www.bart.gov/dev/eta/bart_eta.xml")

I'm trying to parse the xml using rails 3.2:

<% @response.each do |r| %>
  <% r.each do |root| %>
    <%= root.class %>
  <% end %>
<% end %>

The output is

String Hash

I get "String Hash" for "root.class". I don't understand how it can be "String Hash," I would like to implement another "each" method to go deeper in the xml layers.
What does "String Hash" mean?

the Tin Man · Accepted Answer · 2013-03-05 08:08:20Z

1

Your @response object is of the type HTTParty::Response.

It looks like it's wrapping an array with two values in it: the first value is a String, "root", and the second value is a Hash.

Since you have no line breaks in your ERB code, as you iterate through the array it is printing out String and Hash on the same line.

Try using root.inspect to dig deeper into what values you're actually iterating through.

edited Mar 5, 2013 at 8:08

the Tin Man

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answered Mar 5, 2013 at 7:47

Jordan Brown

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