Class: AppGraph

Inherits:
Object show all
Defined in:
lib/ramaze/contrib/app_graph.rb

Overview

require ‘ramaze/contrib/app_graph’

graph = AppGraph.new graph.generate graph.show

Instance Method Summary collapse

Constructor Details

#initialize ⇒ AppGraph

Returns a new instance of AppGraph.



10
11
12
 
# File 'lib/ramaze/contrib/app_graph.rb', line 10

def initialize
  @out = Set.new
end

Instance Method Details

#connect(hash) ⇒ Object 



39
40
41
42
43
 
# File 'lib/ramaze/contrib/app_graph.rb', line 39

def connect(hash)
  hash.each do |from, to|
    @out << ("  %p -> %p;" % [from.to_s, to.to_s])
  end
end

#generate ⇒ Object 



14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
# File 'lib/ramaze/contrib/app_graph.rb', line 14

def generate
  Ramaze::AppMap.to_hash.each do |location, app|
    connect(location => app.name)

    app.url_map.to_hash.each do |c_location, c_node|
      connect(app.name => c_node)
      connect(c_node.mapping => c_node)

      c_node.update_template_mappings
      c_node.view_templates.each do |wish, mapping|
        mapping.each do |action_name, template|
          action_path = File.join(c_node.mapping, action_name)
          connect(c_node => action_path, action_path => template)
        end
      end

      c_node.update_method_arities
      c_node.method_arities.each do |method, arity|
        action_path = File.join(c_node.mapping, method.to_s)
        connect(action_path => "#{c_node}##{method}[#{arity}]", c_node => action_path)
      end
    end
  end
end

#show ⇒ Object 



53
54
55
56
57
58
59
60
61
62
63
 
# File 'lib/ramaze/contrib/app_graph.rb', line 53

def show
  write_dot
  options = {
    'rankdir' => 'LR',
    'splines' => 'true',
    'overlap' => 'false',
  }
  args = options.map{|k,v| "-G#{k}=#{v}" }
  system("dot -O -Tpng #{args.join(' ')} graph.dot")
  system('feh graph.dot.png')
end

#write_dot ⇒ Object 



45
46
47
48
49
50
51
 
# File 'lib/ramaze/contrib/app_graph.rb', line 45

def write_dot
  File.open('graph.dot', 'w+') do |dot|
    dot.puts 'digraph appmap {'
    dot.puts(*@out)
    dot.puts '}'
  end
end