Class: Shiritori::Main

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

Constant Summary collapse

RED = 
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GREEN = 
32
EXIT_PATTERN = 
/(exit|quit)/.freeze
METHOD_PATTERN = 
/[\w|\?|\>|\<|\=|\!|\[|\[|\]|\*|\/|\+|\-|\^|\~|\@|\%|\&|]+/.freeze

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

#new_line, #show_status

Methods included from SearchMethod

#get_all_method, #scan_method, #singleton

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

Instance Method Details

#exec_method_chain(command, object) ⇒ Object 



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# File 'lib/shiritori/shiritori.rb', line 117

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

  # puts debug
  # puts "Exec command #{[object.to_ss, command].join('.')}"
  # p method_name

  case command
  when EXIT_PATTERN
    return [:exit]
  else
    begin
      Thread.new do
        raise NoMethodError unless object.respond_to?(method_name)
        result << object.instance_eval{ eval("self."+command) }
      end.join
    rescue Exception => ex
      puts ex.message
      return false
    end
  end

  result
end

#get_command ⇒ Object 



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# File 'lib/shiritori/shiritori.rb', line 68

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

#init ⇒ Object 



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# File 'lib/shiritori/shiritori.rb', line 37

def init
  @all_method = get_all_method
  @current_object = nil
  @current_class = Object
  @current_chain = []
  @chain_count = 0
  @success = false

  loop do

    command = get_command

    begin 
      @current_object = eval(command.chomp)
      @current_chain << @current_object.to_ss
      @success = true
      break
    rescue Exception => ex
      new_line
      puts "\e[#{RED}mUndefined object error\e[m"
      redo
    end
  end

  update
end

#run ⇒ Object 



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# File 'lib/shiritori/shiritori.rb', line 77

def run

  loop do
    show_status

    if success?
      puts "\e[#{GREEN}mSuccess!\e[m"
      @success = false
    else
      puts "\e[#{RED}mFailed!\e[m"
    end

    new_line

    command = get_command

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

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

    puts "Exec command #{[@current_object.to_ss, command].join('.')}"

    begin
      if result = exec_method_chain(command, @current_object)
        if @all_method.include?(result.first)
          update(result)
          @current_chain << command
        elsif result.first == :exit
          break
        else
          puts "Already used method."
        end
      end
    rescue Exception => ex
      puts "\e[#{RED}m#{ex.message}\e[m"
    end
  end
end

#start(option = []) ⇒ Object 



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# File 'lib/shiritori/shiritori.rb', line 16

def start(option = [])
  init
  run
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/shiritori/shiritori.rb', line 64

def success?
  @success
end

#update(result = nil) ⇒ Object 



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

def update(result = nil)
  if result
    @all_method.delete(result.first)
    @current_object = result.last
    @chain_count += 1
  end

  begin
    @current_class = @current_object.class
  rescue Exception => ex
    @current_class = "Undefined"
  end

  @success = true
end