Class: AppDiagram

Inherits:
Object
  • Object
show all
Defined in:
lib/railroady/app_diagram.rb

Overview

Root class for RailRoady diagrams

Direct Known Subclasses

AasmDiagram, ControllersDiagram, ModelsDiagram

Instance Method Summary collapse

Constructor Details

#initialize(options = OptionsStruct.new) ⇒ AppDiagram

Returns a new instance of AppDiagram.



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# File 'lib/railroady/app_diagram.rb', line 11

def initialize(options = OptionsStruct.new)
  @options = options
  @graph = DiagramGraph.new
  @graph.show_label = @options.label
  @graph.alphabetize = @options.alphabetize
end

Instance Method Details

#engines ⇒ Object

get all engines



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# File 'lib/railroady/app_diagram.rb', line 46

def engines
  engines = []

  if defined?(Rails)
    engines = if Rails::Application::Railties.respond_to?(:engines)
                Rails::Application::Railties.engines
              else
                # rails 4 way of getting engines
                Rails::Engine.subclasses.map(&:instance)
              end
  end
  engines
end

#print ⇒ Object

Print diagram



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# File 'lib/railroady/app_diagram.rb', line 19

def print
  if @options.output
    old_stdout = STDOUT.dup
    begin
      STDOUT.reopen(@options.output)
    rescue
      STDERR.print "Error: Cannot write diagram to #{@options.output}\n\n"
      exit 2
    end
  end

  if @options.xmi
    STDERR.print "Generating XMI diagram\n" if @options.verbose
    STDOUT.print @graph.to_xmi
  else
    STDERR.print "Generating DOT graph\n" if @options.verbose
    STDOUT.print @graph.to_dot
  end

  STDOUT.reopen(old_stdout) if @options.output
end

#process ⇒ Object

print



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# File 'lib/railroady/app_diagram.rb', line 41

def process
  load_environment
end