Class: DRep::DRepCli

Inherits:
Object show all
Includes:
DRepRunnable
Defined in:
lib/drep/drep_cli.rb

Constant Summary collapse

DREP_EXEC_OPTIONS = 
{:provider_flag =>
['-p', '--provider PROVIDER[;SOURCE_1[,SOURCE_2]][;RULE_1[,RULE_2]][;OPTIONS]',
 'Provider path with sources and rules specifications.'],
       :template_flag =>
['-t', '--template PATH[>OUTPUT_PATH]',
 'Template in/out path. By default output will be flushed to "STDOUT"'],
       :version_flag =>
['-v', '--version', 'Display version information and exit.'],
       :help_flag =>
['-h', '--help', 'Display this help message and exit.'],
       :quiet_flag =>
['-q', '--quiet', 'Start in quiet mode without any CLI messages.'],
       :verbose_flag =>
['-V', '--verbose', 'Start in verbose mode (ignored in quiet mode).'],
       :debug_flag =>
['-d', '--debug', 'Start in debug mode.']}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(stdin = STDIN, stdout = STDOUT, stderr = STDERR, arguments = []) ⇒ DRepCli

Returns a new instance of DRepCli.



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# File 'lib/drep/drep_cli.rb', line 62

def initialize(stdin  = STDIN,
               stdout = STDOUT,
               stderr = STDERR, arguments = [])
  @options = OpenStruct.new()

  begin
    env_options = [stdin, stdout, stderr, @options]
    @env = DRepEnvironment.new(*env_options)
  rescue Exception => e
    unless @stderr.nil?
      @stderr.puts("#{UNIX_NAME}: initialization failed: #{e.message}")
    end
    exit(1)
  end

  @options.arguments = arguments.nil? ? [] : arguments
  
  @options.verbose = false
  @options.quiet   = false
  @options.debug   = false

  @options.output = @stdout

  @options.show_version = false
  @options.show_help    = false

  @options.providers = []
  @options.templates = []

  @parser = OptionParser.new()
end

Instance Attribute Details

#env ⇒ Object (readonly)

Returns the value of attribute env.



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# File 'lib/drep/drep_cli.rb', line 56

def env
  @env
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/drep/drep_cli.rb', line 58

def options
  @options
end

#parser ⇒ Object (readonly)

Returns the value of attribute parser.



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# File 'lib/drep/drep_cli.rb', line 60

def parser
  @parser
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/drep/drep_cli.rb', line 94

def run()
  if options_parsed?()
    begin
      if @options.verbose
        welcome_message = "#{FULL_NAME} has started"
        msg("#{welcome_message}: #{DateTime.now}.")
      end

      perform_tasks()

      if @options.verbose
        end_message = "#{FULL_NAME} has finished all tasks"
        msg("#{end_message}: #{DateTime.now}.")
      end
    rescue Exception => e
      err("Execution failed: #{e.message}")
    end
  end
end