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Contents
# frozen_string_literal: true
# Boxcars is a framework for running a series of tools to get an answer to a question.
module Boxcars
# For Boxcars that use an engine to do their work.
class XMLEngineBoxcar < EngineBoxcar
# An XML Engine Boxcar is a container for a single tool to run.
# Parse out the action and input from the engine output.
# @param engine_output [String] The output from the engine.
# @return [Array<String>] The action and input.
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
# get answer an XNode
# @param xnode [XNode] The XNode to use.
# @return [Array<String, String>] The action and input.
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
end
end
Version data entries
21 entries across 21 versions & 1 rubygems