class RubyXL::OOXMLTopLevelObject

def self.parse_file(zip_file, file_path)

* +file_path+ - path to the subject file inside the .xslx zip archive
* +zip_file+ - .xslx file as Zip::File object
=== Parameters
Generates the top-level OOXML object by parsing its XML file from the contents of the .xslx container. 
def self.parse_file(zip_file, file_path)
  entry = zip_file.find_entry(RubyXL::from_root(file_path))
  # Accomodate for Nokogiri Java implementation which is incapable of reading from a stream
  entry && (entry.get_input_stream { |f| parse(defined?(JRUBY_VERSION) ? f.read : f) })
end