Class: Shiritori::Main

Inherits:
Object show all
Includes:
SearchMethod, View
Defined in:
lib/shiritori/shiritori.rb

Constant Summary collapse

RED =

ColorCode

31
GREEN = 
32
EXIT_PATTERN = 
/\A(exit|quit)\Z/.freeze
HELP_PATTERN = 
/\A(help|h)\Z/.freeze
METHOD_PATTERN = 
/[\w|\?|\>|\<|\=|\!|\[|\[|\]|\*|\/|\+|\-|\^|\~|\@|\%|\&|]+/.freeze
TIME_LIMIT =

timelimit is 1 second

1

Constants included from View

View::PADDING

Constants included from SearchMethod

SearchMethod::UNUSE_METHOD

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from View

#failed_message, #input_message, #new_line, #show_result, #show_status, #welcome_message

Methods included from SearchMethod

#get_all_method, #scan_method

Instance Attribute Details

#chain_count ⇒ Object (readonly)

Returns the value of attribute chain_count.



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# File 'lib/shiritori/shiritori.rb', line 6

def chain_count
  @chain_count
end

#current_object ⇒ Object (readonly)

Returns the value of attribute current_object.



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# File 'lib/shiritori/shiritori.rb', line 6

def current_object
  @current_object
end

#error_count ⇒ Object (readonly)

Returns the value of attribute error_count.



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# File 'lib/shiritori/shiritori.rb', line 6

def error_count
  @error_count
end

#mode ⇒ Object (readonly)

Returns the value of attribute mode.



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# File 'lib/shiritori/shiritori.rb', line 6

def mode
  @mode
end

#use_method_list ⇒ Object (readonly)

Returns the value of attribute use_method_list.



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# File 'lib/shiritori/shiritori.rb', line 6

def use_method_list
  @use_method_list
end

Instance Method Details

#check_success ⇒ Object 



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# File 'lib/shiritori/shiritori.rb', line 89

def check_success
  if @success
    puts "\e[#{GREEN}mSuccess!\e[m"
    @success = false
  else
    puts "\e[#{RED}mFailed! : #{$error_message}\e[m"
  end

  new_line
end

#exec_method_chain(command, object) ⇒ Object 



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# File 'lib/shiritori/shiritori.rb', line 148

def exec_method_chain(command, object)
  method_name = command.scan(METHOD_PATTERN).first.to_sym
  result = [method_name]

  case command
  when EXIT_PATTERN
    return [:exit]
  when HELP_PATTERN
    return [:help]
  else
    begin
      Thread.new do
        raise NoMethodError unless object.respond_to?(method_name)

        timeout(TIME_LIMIT) do
          result << eval('object.' + command)
        end
      end.join
    rescue Exception => ex
      @error_count += 1
      $error_message = ex.message
      failed_message("Exec command #{[@current_object.to_ss, command].join('.')}")
      failed_message("Failed! : #{$error_message}")
      return false
    end
  end

  result
end

#get_command(message = 'Please input first object > ') ⇒ Object 



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# File 'lib/shiritori/shiritori.rb', line 100

def get_command(message = 'Please input first object > ')
  if Shiritori.env == :development
    print message
    $stdin.gets
  else
    Readline.readline(message, true)
  end
end

#init(mode) ⇒ Object 



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# File 'lib/shiritori/shiritori.rb', line 52

def init(mode)
  @all_method = get_all_method
  @current_class = Object
  @current_chain = []
  @use_method_list = []
  @chain_count = 0
  @error_count = 0
  @success = false
  @mode = mode

  require 'timeout'
  require 'ripper'

  loop do
    command = get_command
    redo if command.empty?

    begin
      Thread.new do
        timeout(TIME_LIMIT) do
          @current_object = eval(command.chomp)
        end
      end.join

      @current_chain << @current_object.to_ss
      @success = true
      break
    rescue Exception => ex
      $error_message = ex.message
      puts "\e[#{RED}m#{$error_message}\e[m"
      redo
    end
  end

  update
end

#run ⇒ Object 



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# File 'lib/shiritori/shiritori.rb', line 109

def run
  loop do
    command = get_command('Please input next method > ')

    break if command.nil? 
    redo if command.blank?

    command = command.chomp.sub(/^\./, '')

    begin
      result = exec_method_chain(command, current_object)
      
      redo unless result

      action = result.first
      object = result.last

      if action == :help
        help_me(current_object)
        redo
      elsif action == :exit
        break
      elsif @all_method.include?(action)
        puts "Exec command #{[@current_object.to_ss, command].join('.')}"
        @current_chain << command
        update(action: action, object: object)
      else
        $error_message = "#{action} is already used."
        raise Shiritori::UseSameMethodError
      end
    rescue Exception => ex
      @error_count += 1
      puts "\e[#{RED}m#{ex.message}\e[m"
    end

    check_success
  end
end

#start(mode: :normal) ⇒ Object 



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# File 'lib/shiritori/shiritori.rb', line 21

def start(mode: :normal)
  welcome_message

  begin
    init(mode)
    run
  rescue Exception => ex
    puts ex.message
  ensure
    show_result
  end
end

#update(action: nil, object: nil) ⇒ Object 



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# File 'lib/shiritori/shiritori.rb', line 34

def update(action: nil, object: nil)
  if action
    @all_method.delete(action)
    @use_method_list << action
    @current_object = object
    @chain_count += 1
  end

  begin
    @current_class = current_object.class
  rescue NoMethodError => ex
    @current_class = 'Undefined'
  end

  show_status(@current_chain, @current_object, @current_class, @chain_count)
  @success = true
end