Class: Boxcars::XMLEngineBoxcar

Inherits:
EngineBoxcar show all
Defined in:
lib/boxcars/boxcar/xml_engine_boxcar.rb

Overview

For Boxcars that use an engine to do their work.

Instance Attribute Summary

Attributes inherited from EngineBoxcar

#engine, #prompt, #stop, #top_k

Attributes inherited from Boxcar

#description, #name, #parameters, #return_direct

Instance Method Summary collapse

Methods inherited from EngineBoxcar

#apply, #call, #check_output_keys, #extract_code, #generate, #initialize, #input_key, #input_keys, #output_key, #output_keys, #predict, #prediction_additional, #prediction_input, #prediction_variables

Methods inherited from Boxcar

#apply, assi, #call, #conduct, hist, #initialize, #input_keys, #load, #output_keys, #run, #save, #schema, syst, user, #validate_inputs, #validate_outputs

Constructor Details

This class inherits a constructor from Boxcars::EngineBoxcar

Instance Method Details

#get_answer(engine_output) ⇒ Array<String>

Parse out the action and input from the engine output.

Parameters:

  • engine_output (String) —

    The output from the engine.

Returns:

  • (Array<String>) —

    The action and input.



12
13
14
15
16
 
# File 'lib/boxcars/boxcar/xml_engine_boxcar.rb', line 12

def get_answer(engine_output)
  xn_get_answer(XNode.from_xml(engine_output))
rescue StandardError => e
  Result.from_error("Error: #{e.message}:\n#{engine_output}")
end

#xn_get_answer(xnode) ⇒ Array<String, String>

get answer an XNode

Parameters:

  • xnode (XNode) —

    The XNode to use.

Returns:

  • (Array<String, String>) —

    The action and input.



21
22
23
24
25
26
27
28
29
30
31
 
# File 'lib/boxcars/boxcar/xml_engine_boxcar.rb', line 21

def xn_get_answer(xnode)
  reply = xnode.xtext("//reply")

  if reply.present?
    Result.new(status: :ok, answer: reply, explanation: reply)
  else
    # we have an unexpected output from the engine
    Result.new(status: :error, answer: nil,
               explanation: "You gave me an improperly formatted answer or didn't use tags. I was expecting a reply.")
  end
end