Class: MOSAIK::Commands::Extract

Inherits:
MOSAIK::Command::Graph show all
Defined in:
lib/mosaik/commands/extract.rb

Overview

Extract information from the application

Instance Method Summary collapse

Instance Method Details

#call ⇒ Object 



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# File 'lib/mosaik/commands/extract.rb', line 35

def call
  info "Extracting information from the codebase (#{options.map { |k, v| "#{k}: #{v}" }.join(', ')})"

  warn "No files found in the load paths, check if a valid mosaik.yml file exists in #{options[:directory]}" if MOSAIK.configuration.files.empty?

  # Add a vertex for each constant in the load path
  MOSAIK.configuration.files.each do |file|
    # Resolve file path to class name
    class_name = resolver.resolve_file(file)

    # Add class to graph
    graph.find_or_add_vertex(class_name)
  end

  # Extract structural coupling information and add to graph
  if options[:couplings].include?(:structural)
    Extractors::Structural
      .new(options, graph)
      .tap(&:validate)
      .call
  end

  # Extract evolutionary (logical and contributor) coupling information and add to graph
  if options[:couplings].include?(:logical) || options[:couplings].include?(:contributor)
    Extractors::Evolution
      .new(options, graph)
      .tap(&:validate)
      .call
  end

  # Write graph to file
  write_graph

  # Render graph visualization
  visualize_graph
end

#validate ⇒ Object

Raises:



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# File 'lib/mosaik/commands/extract.rb', line 23

def validate
  super

  couplings = options[:couplings] - self.class.defaults[:couplings]

  raise OptionError, "unknown coupling: #{couplings.join(', ')}" unless couplings.empty?

  raise OptionError, "negative value: #{options[:limit]}" if options[:limit].negative?

  options[:limit] = nil if options[:limit].zero?
end