Class: OptionsStruct

Inherits:
OpenStruct
  • Object
show all
Defined in:
lib/railroad/options_struct.rb

Overview

RailRoad command line options parser

Instance Method Summary collapse

Constructor Details

#initialize ⇒ OptionsStruct

Returns a new instance of OptionsStruct.



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# File 'lib/railroad/options_struct.rb', line 14

def initialize
  init_options = { :all => false,
                   :brief => false,
                   :exclude => [],
                   :inheritance => false,
                   :join => false,
                   :label => false,
                   :modules => false,
                   :hide_magic => false,
                   :hide_types => false,
                   :hide_public => false,
                   :hide_protected => false,
                   :hide_private => false,
                   :plugins_models => false,
                   :root => '',
                   :transitive => false,
                   :verbose => false,
                   :xmi => false,
                   :command => '' }
  super(init_options)
end

Instance Method Details

#parse(args) ⇒ Object

initialize



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# File 'lib/railroad/options_struct.rb', line 36

def parse(args)
  @opt_parser = OptionParser.new do |opts|
    opts.banner = "Usage: #{APP_NAME} [options] command"
    opts.separator ""
    opts.separator "Common options:"
    opts.on("-b", "--brief", "Generate compact diagram", 
            "  (no attributes nor methods)") do |b|
      self.brief = b
    end
    opts.on("-e", "--exclude file1[,fileN]", Array, "Exclude given files") do |list|
      self.exclude = list
    end
    opts.on("-i", "--inheritance", "Include inheritance relations") do |i|
      self.inheritance = i
    end
    opts.on("-l", "--label", "Add a label with diagram information", 
            "  (type, date, migration, version)") do |l|
      self.label = l
    end
    opts.on("-o", "--output FILE", "Write diagram to file FILE") do |f|
      self.output = f
    end
    opts.on("-r", "--root PATH", "Set PATH as the application root") do |r|
      self.root = r
    end
    opts.on("-v", "--verbose", "Enable verbose output", 
            "  (produce messages to STDOUT)") do |v|
      self.verbose = v
    end
    opts.on("-x", "--xmi", "Produce XMI instead of DOT", 
            "  (for UML tools)") do |x|
      self.xmi = x
    end
    opts.separator ""
    opts.separator "Models diagram options:"
    opts.on("-a", "--all", "Include all models", 
            "  (not only ActiveRecord::Base derived)") do |a|
      self.all = a
    end
    opts.on("--hide-magic", "Hide magic field names") do |h|
      self.hide_magic = h
    end
    opts.on("--hide-types", "Hide attributes type") do |h|
      self.hide_types = h
    end
    opts.on("-j", "--join", "Concentrate edges") do |j|
      self.join = j
    end
    opts.on("-m", "--modules", "Include modules") do |m|
      self.modules = m
    end
    opts.on("-p", "--plugins-models", "Include plugins models") do |p|
      self.plugins_models = p
    end
    opts.on("-t", "--transitive", "Include transitive associations",
            "(through inheritance)") do |t|
      self.transitive = t
    end
    opts.separator ""
    opts.separator "Controllers diagram options:"
    opts.on("--hide-public", "Hide public methods") do |h|
      self.hide_public = h
    end
    opts.on("--hide-protected", "Hide protected methods") do |h|
      self.hide_protected = h
    end
    opts.on("--hide-private", "Hide private methods") do |h|
      self.hide_private = h
    end
    opts.separator ""
    opts.separator "Other options:"
    opts.on("-h", "--help", "Show this message") do
      STDOUT.print "#{opts}\n"
      exit
    end
    opts.on("--version", "Show version and copyright") do
      STDOUT.print "#{APP_HUMAN_NAME} version #{APP_VERSION.join('.')}\n\n" +
                   "#{COPYRIGHT}\nThis is free software; see the source " +
                   "for copying conditions.\n\n"
      exit
    end
    opts.separator ""
    opts.separator "Commands (you must supply one of these):"
    opts.on("-M", "--models", "Generate models diagram") do |c|
      if self.command != ''
        STDERR.print "Error: Can only generate one diagram type\n\n"
        exit 1
      else 
        self.command = 'models'        
      end
    end 
    opts.on("-C", "--controllers", "Generate controllers diagram") do |c|
      if self.command != ''
        STDERR.print "Error: Can only generate one diagram type\n\n"
        exit 1
      else 
        self.command = 'controllers'        
      end
    end
    # From Ana Nelson's patch
    opts.on("-A", "--aasm", "Generate \"acts as state machine\" diagram") do |c|
      if self.command == 'controllers'
        STDERR.print "Error: Can only generate one diagram type\n\n"
        exit 1
      else    
        self.command = 'aasm'
      end
    end        
    opts.separator ""
    opts.separator "For bug reporting and additional information, please see:"
    opts.separator "http://railroad.rubyforge.org/"
  end # do

  begin
    @opt_parser.parse!(args)
  rescue OptionParser::AmbiguousOption
    option_error "Ambiguous option"
  rescue OptionParser::InvalidOption
    option_error "Invalid option"
  rescue OptionParser::InvalidArgument
    option_error "Invalid argument"
  rescue OptionParser::MissingArgument
    option_error "Missing argument"
  end
end