Module: Marko::Model::TreeNode

Includes:
Enumerable
Included in:
Topic
Defined in:
lib/marko/model/tree_node.rb

Overview

Tree node

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#parent ⇒ TreeNode (readonly)

Returns:



9
10
11
 
# File 'lib/marko/model/tree_node.rb', line 9

def parent
  @parent
end

Instance Method Details

#add(item) ⇒ Object 



15
16
17
 
# File 'lib/marko/model/tree_node.rb', line 15

def add(item)
  fail "#{self.class}##{__method__} must be overridden"
end

#each {|_self| ... } ⇒ Object

Yields:

  • (_self)

Yield Parameters:



11
12
13
 
# File 'lib/marko/model/tree_node.rb', line 11

def each(&block)
  yield self
end

#nesting_level ⇒ Object 



27
28
29
30
 
# File 'lib/marko/model/tree_node.rb', line 27

def nesting_level
  return 0 if root?
  parent.nesting_level + 1
end

#root ⇒ Object 



19
20
21
 
# File 'lib/marko/model/tree_node.rb', line 19

def root
  parent ? parent.root : self
end

#root? ⇒ Boolean

Returns:

  • (Boolean) 


23
24
25
 
# File 'lib/marko/model/tree_node.rb', line 23

def root?
  parent.nil?
end