Module: ToyRobotController

Extended by:

CommandParserHelper

Defined in:

lib/toy_robot_controller.rb

Overview

ToyRobotController module which sets up the Robot, Table and execute commands provided

Class Attribute Summary

• .commands ⇒ Array<Struct> readonly

  return Array of commands if present.

• .robot ⇒ ToyRobot::Robot readonly

  return [ToyRobot::Robot] if present.

Class Method Summary

• .init(commands_stream, table_size = 5) ⇒ Object

  This method is expecting [Array<String>] of commands such as [‘PLACE 0,0,NORTH’, ‘MOVE’, ‘REPORT’].

Methods included from CommandParserHelper

parse_command

Methods included from CommandHelper

#a_valid_place_command?, #command_type, #commands, #directions, #split_place_command

Class Attribute Details

.commands ⇒ Array<Struct> (readonly)

return Array of commands if present

example: <struct type=“PLACE”, value=[“0”, “0”, “NORTH”], status=“”, error=“”>

Returns:

• (Array<Struct>)

# File 'lib/toy_robot_controller.rb', line 45

def commands
  @commands
end

.robot ⇒ ToyRobot::Robot (readonly)

return [ToyRobot::Robot] if present

Returns:

• (ToyRobot::Robot)

# File 'lib/toy_robot_controller.rb', line 39

def robot
  @robot
end

Class Method Details

.init(commands_stream, table_size = 5) ⇒ Object

This method is expecting [Array<String>] of commands such as [‘PLACE 0,0,NORTH’, ‘MOVE’, ‘REPORT’]

Parameters:

• commands_stream (Array<String>)
• table_size (Integer) (defaults to: 5)

Raises:

• (Command::InvalidCommandStreamType) —

  if the commands_stream is not of type Array

• (Command::InvalidOrEmptyCommands) —

  if the commands_stream array length is 0

• (Command::InvalidCommandType) —

  if the any of commands_stream element is not type String

• (Command::NoValidCommandsFound) —

  if the commands_stream array length is 0 or contains all invalid commands

• (Command::PlaceCommandNotFound) —

  if the commands_stream array does not contain a valid PLACE command

# File 'lib/toy_robot_controller.rb', line 26

def init(commands_stream, table_size = 5)
  validate_command_stream(commands_stream)

  @commands_stream = commands_stream
  @table = Surface::Table.new(table_size, table_size)
  @robot = ToyRobot::Robot.new(@table)
  @commands = []
  populate_commands
  execute_commands
end