Class: Constree::Node

Inherits:
Struct
  • Object
show all
Defined in:
lib/constree/node.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#constant ⇒ Object

Returns the value of attribute constant

Returns:

  • (Object) —

    the current value of constant



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# File 'lib/constree/node.rb', line 2

def constant
  @constant
end

#is_last ⇒ Object

Returns the value of attribute is_last

Returns:

  • (Object) —

    the current value of is_last



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# File 'lib/constree/node.rb', line 2

def is_last
  @is_last
end

#name ⇒ Object

Returns the value of attribute name

Returns:

  • (Object) —

    the current value of name



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# File 'lib/constree/node.rb', line 2

def name
  @name
end

#parent ⇒ Object

Returns the value of attribute parent

Returns:

  • (Object) —

    the current value of parent



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# File 'lib/constree/node.rb', line 2

def parent
  @parent
end

#ref ⇒ Object

Returns the value of attribute ref.



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# File 'lib/constree/node.rb', line 4

def ref
  @ref
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/constree/node.rb', line 59

def == other
  return false unless other.is_a? Node
  constant == other.constant
end

#ancestors ⇒ Object 



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# File 'lib/constree/node.rb', line 14

def ancestors
  return [] unless parent
  p, anc = parent, []
  while p
    anc.unshift p
    p = p.parent
  end
  anc
end

#branch ⇒ Object 



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# File 'lib/constree/node.rb', line 32

def branch
  return '' unless parent
  last? ? '└─' : '├─'
end

#display_name ⇒ Object 



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# File 'lib/constree/node.rb', line 51

def display_name
  (name || constant.name).to_s
end

#full_name ⇒ Object 



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# File 'lib/constree/node.rb', line 55

def full_name
  top? ? constant.name : "#{parent.full_name}::#{name}"
end

#indent ⇒ Object 



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# File 'lib/constree/node.rb', line 37

def indent
  ancestors.map do |a|
    if a.top?
      ''
    else
      a.last? ? ' ' : '│ '
    end
  end.join
end

#last? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/constree/node.rb', line 24

def last?
  is_last ? true : false
end

#level ⇒ Object 



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# File 'lib/constree/node.rb', line 47

def level
  indent + branch + display_name + ' ' + type
end

#not_yet?(seen) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/constree/node.rb', line 68

def not_yet? seen
  i = seen.find_index self
  if i == seen.count - 1
   true
  else
    self.ref = seen[i]
    false
  end
end

#sub_nodes ⇒ Object 



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# File 'lib/constree/node.rb', line 6

def sub_nodes
  return [] unless constant.is_a? Module
  names = constant.constants
  names.reduce([]) do |nodes, name|
    nodes << Node.new(constant.const_get(name), name, self, nodes.count == names.count - 1)
  end
end

#top? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/constree/node.rb', line 28

def top?
  parent ? false : true
end

#type ⇒ Object 



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# File 'lib/constree/node.rb', line 64

def type
  ref ? "→ #{ref.full_name}" : "(#{constant.class.to_s})"
end