Class: RecordOnChain::Commands::Help

Inherits:
AbstractCommand show all
Defined in:
lib/record_on_chain/commands/help.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from AbstractCommand

#squeeze_args_from_argv

Constructor Details

#initialize(argv = ARGV, cli = Cli.new) ⇒ Help

Returns a new instance of Help.



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# File 'lib/record_on_chain/commands/help.rb', line 17

def initialize( argv= ARGV , cli= Cli.new )
  super( argv.first , cli )
end

Class Method Details

.description ⇒ Object 



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# File 'lib/record_on_chain/commands/help.rb', line 11

def self.description
  return "display usage"
end

.usage ⇒ Object 



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# File 'lib/record_on_chain/commands/help.rb', line 15

def self.usage; end

Instance Method Details

#start ⇒ Object 



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# File 'lib/record_on_chain/commands/help.rb', line 21

def start
  command_names = [ "init", "record", "secret", "help" ]
  # command_name : description
  descriptions = {}
  # command_name : usage
  examples = {}

  command_names.each do |name|
    klass = Object.const_get( "RecordOnChain::Commands::#{name.capitalize}" )
    description = klass.send( :description )
    descriptions[ name ] = description unless description.nil?
    examples[ name ] = klass.usage unless klass.usage.nil?
  end

  @cli.puts_enhance_msg( "== Record on Chain HELP ==" )
  @cli.blank_line
  @cli.puts_underline_msg("description")
  @cli.puts_hash( descriptions , nil , 1 )
  @cli.blank_line

  @cli.puts_underline_msg("usage")
  examples.each do | c_name, usage |
    @cli.out.puts( " [ #{c_name} ]" )
    @cli.out.puts( "#{usage}" )
    @cli.blank_line
  end
end