Class: ReFe::InheritanceGraph

Inherits:
Object
  • Object
show all
Defined in:
lib/refe/inheritancegraph.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ InheritanceGraph

Returns a new instance of InheritanceGraph.



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# File 'lib/refe/inheritancegraph.rb', line 32

def initialize
  @nodes = {}
  @nodes['Object'] = ClassNode.new('Object', nil)
end

Class Method Details

.parse(path) ⇒ Object 



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# File 'lib/refe/inheritancegraph.rb', line 17

def InheritanceGraph.parse( path )
  graph = new()
  File.foreach(path) do |line|
    next if line.sub(/\A\#.*/, '').strip.empty?
    dest, op, src = line.split
    case op
    when '<-'   # include
      graph.add_include_edge dest, src
    when '<'   # inheritance
      graph.add_class_node dest, src
    end
  end
  graph
end

Instance Method Details

#add_class_node(name, super_class) ⇒ Object

Raises:



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# File 'lib/refe/inheritancegraph.rb', line 51

def add_class_node( name, super_class )
  raise InvalidGraph, "same class given twice: #{name}" if @nodes[name]
  @nodes[name] = ClassNode.new(name, class_node(super_class))
end

#add_include_edge(dest, incl) ⇒ Object

Raises:



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# File 'lib/refe/inheritancegraph.rb', line 45

def add_include_edge( dest, incl )
  raise InvalidGraph, "include given before definition: #{dest}"\
      unless @nodes[dest]
  @nodes[dest].include module_node(incl)
end

#ancestors_of(name) ⇒ Object 



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# File 'lib/refe/inheritancegraph.rb', line 37

def ancestors_of( name )
  if @nodes[name]
    @nodes[name].ancestors.map {|node| node.name }
  else
    [name]
  end
end