Class: Bundler::Graph::GraphVizClient

Inherits:
Object
  • Object
show all
Defined in:
lib/bundler/graph.rb

Instance Method Summary collapse

Constructor Details

#initialize(graph_instance) ⇒ GraphVizClient

Returns a new instance of GraphVizClient.



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# File 'lib/bundler/graph.rb', line 95

def initialize(graph_instance)
  @graph_name    = graph_instance.class::GRAPH_NAME
  @groups        = graph_instance.groups
  @relations     = graph_instance.relations
  @node_options  = graph_instance.node_options
  @edge_options  = graph_instance.edge_options
  @output_file   = graph_instance.output_file
  @output_format = graph_instance.output_format
end

Instance Method Details

#g ⇒ Object 



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# File 'lib/bundler/graph.rb', line 105

def g
  @g ||= ::GraphViz.digraph(@graph_name, concentrate: true, normalize: true, nodesep: 0.55) do |g|
    g.edge[:weight]   = 2
    g.edge[:fontname] = g.node[:fontname] = "Arial, Helvetica, SansSerif"
    g.edge[:fontsize] = 12
  end
end

#run ⇒ Object 



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# File 'lib/bundler/graph.rb', line 113

def run
  @groups.each do |group|
    g.add_nodes(
      group, {
        style: "filled",
        fillcolor: "#B9B9D5",
        shape: "box3d",
        fontsize: 16,
      }.merge(@node_options[group])
    )
  end

  @relations.each do |parent, children|
    children.each do |child|
      if @groups.include?(parent)
        g.add_nodes(child, { style: "filled", fillcolor: "#B9B9D5" }.merge(@node_options[child]))
        g.add_edges(parent, child, { constraint: false }.merge(@edge_options["#{parent}_#{child}"]))
      else
        g.add_nodes(child, @node_options[child])
        g.add_edges(parent, child, @edge_options["#{parent}_#{child}"])
      end
    end
  end

  if @output_format.to_s == "debug"
    $stdout.puts g.output none: String
    Bundler.ui.info "debugging bundle viz..."
  else
    begin
      g.output @output_format.to_sym => "#{@output_file}.#{@output_format}"
      Bundler.ui.info "#{@output_file}.#{@output_format}"
    rescue ArgumentError => e
      warn "Unsupported output format. See Ruby-Graphviz/lib/graphviz/constants.rb"
      raise e
    end
  end
end