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|
# frozen_string_literal: true
require 'yaml'
require_relative '../logic/helpers/hash'
require_relative '../components/provider'
require_relative '../components/storage'
require_relative './interfaces/repl'
require_relative './interfaces/eval'
require_relative './session'
module NanoBot
module Controllers
class Instance
def initialize(cartridge_path:, stream:, state: nil)
@stream = stream
load_cartridge!(cartridge_path)
provider = Components::Provider.new(@cartridge[:provider])
@session = Session.new(provider:, cartridge: @cartridge, state:, stream: @stream)
end
def cartridge
@safe_cartridge
end
def state
@session.state
end
def eval(input)
Interfaces::Eval.evaluate(input, @cartridge, @session)
return unless @stream.is_a?(StringIO)
@stream.flush
result = @stream.string.clone
@stream.truncate(0)
@stream.rewind
result
end
def repl
if @stream.is_a?(StringIO)
@stream.flush
@stream = $stdout
@session.stream = @stream
end
Interfaces::REPL.start(@cartridge, @session)
end
private
def load_cartridge!(path)
elected_path = if path.strip == '-'
File.expand_path('../static/cartridges/default.yml', __dir__)
else
Components::Storage.cartridge_path(path)
end
if elected_path.nil?
@stream.write("Cartridge file not found: \"#{path}\"\n")
raise StandardError, "Cartridge file not found: \"#{path}\""
end
@cartridge = YAML.safe_load(File.read(elected_path), permitted_classes: [Symbol])
@safe_cartridge = Marshal.load(Marshal.dump(@cartridge))
@cartridge = Logic::Helpers::Hash.symbolize_keys(@cartridge)
inject_environment_variables!(@cartridge)
end
def inject_environment_variables!(node)
case node
when Hash
node.each do |key, value|
node[key] = inject_environment_variables!(value)
end
when Array
node.each_with_index do |value, index|
node[index] = inject_environment_variables!(value)
end
when String
node.start_with?('ENV') ? ENV.fetch(node.sub(/^ENV./, ''), nil) : node
else
node
end
end
end
end
end
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