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Bundler::Graph::GraphVizClient

Public Class Methods

new(graph_instance) click to toggle source
    # File lib/bundler/graph.rb, line 91
91:       def initialize(graph_instance)
92:         @graph_name    = graph_instance.class::GRAPH_NAME
93:         @groups        = graph_instance.groups
94:         @relations     = graph_instance.relations
95:         @node_options  = graph_instance.node_options
96:         @edge_options  = graph_instance.edge_options
97:         @output_file   = graph_instance.output_file
98:         @output_format = graph_instance.output_format
99:       end

Public Instance Methods

g() click to toggle source
     # File lib/bundler/graph.rb, line 101
101:       def g
102:         require 'graphviz'
103:         @g ||= ::GraphViz.digraph(@graph_name, {:concentrate => true, :normalize => true, :nodesep => 0.55}) do |g|
104:           g.edge[:weight]   = 2
105:           g.edge[:fontname] = g.node[:fontname] = 'Arial, Helvetica, SansSerif'
106:           g.edge[:fontsize] = 12
107:         end
108:       end
run() click to toggle source
     # File lib/bundler/graph.rb, line 110
110:       def run
111:         @groups.each do |group|
112:           g.add_node(
113:             group,
114:             {:style     => 'filled',
115:              :fillcolor => '#B9B9D5',
116:              :shape     => "box3d",
117:              :fontsize  => 16}.merge(@node_options[group])
118:           )
119:         end
120: 
121:         @relations.each do |parent, children|
122:           children.each do |child|
123:             if @groups.include?(parent)
124:               g.add_node(child, {:style => 'filled', :fillcolor => '#B9B9D5'}.merge(@node_options[child]))
125:               g.add_edge(parent, child, {:constraint => false}.merge(@edge_options["#{parent}_#{child}"]))
126:             else
127:               g.add_node(child, @node_options[child])
128:               g.add_edge(parent, child, @edge_options["#{parent}_#{child}"])
129:             end
130:           end
131:         end
132: 
133:         if @output_format.to_s == "debug"
134:           $stdout.puts g.output :none => String
135:           Bundler.ui.info "debugging bundle viz..."
136:         else
137:           begin
138:             g.output @output_format.to_sym => "#{@output_file}.#{@output_format}"
139:             Bundler.ui.info "#{@output_file}.#{@output_format}"
140:           rescue ArgumentError => e
141:             $stderr.puts "Unsupported output format. See Ruby-Graphviz/lib/graphviz/constants.rb"
142:             raise e
143:           end
144:         end
145:       end

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