Class: ActionDispatch::Journey::Visitors::Dot

Inherits:

FunctionalVisitor

• Object
• FunctionalVisitor
• ActionDispatch::Journey::Visitors::Dot

Defined in:

lib/action_dispatch/journey/visitors.rb

Overview

:nodoc:

Constant Summary

Constants inherited from FunctionalVisitor

FunctionalVisitor::DISPATCH_CACHE

Instance Method Summary

• #accept(node, seed = [[], []]) ⇒ Object
• #initialize ⇒ Dot constructor

  A new instance of Dot.

Methods inherited from FunctionalVisitor

#visit, #visit_DOT, #visit_LITERAL, #visit_SLASH, #visit_SYMBOL

Constructor Details

#initialize ⇒ Dot

Returns a new instance of Dot.

# File 'lib/action_dispatch/journey/visitors.rb', line 197

def initialize
  @nodes = []
  @edges = []
end

Instance Method Details

#accept(node, seed = [[], []]) ⇒ Object

# File 'lib/action_dispatch/journey/visitors.rb', line 202

def accept(node, seed = [[], []])
  super
  nodes, edges = seed
  "digraph parse_tree {\nsize=\"8,5\"\nnode [shape = none];\nedge [dir = none];\n\#{nodes.join \"\\n\"}\n\#{edges.join(\"\\n\")}\n}\n"
end