Class: JSONPath::Nodes::PathNode

Inherits:
Treetop::Runtime::SyntaxNode
  • Object
show all
Defined in:
lib/jsonpath/nodes.rb

Direct Known Subclasses

CodeNode, IndexNode, KeyNode, SliceNode, WildcardNode

Instance Method Summary collapse

Instance Method Details

#recurse(obj, &block) ⇒ Object 



29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/jsonpath/nodes.rb', line 29

def recurse(obj, &block)
  block.call(obj)
  children = case obj
  when Hash
    obj.values
  when Array
    obj
  else
    return
  end
  children.each do |child|
    recurse(child, &block)
  end
end

#traverse(obj, &block) ⇒ Object 



19
20
21
22
23
24
25
26
27
 
# File 'lib/jsonpath/nodes.rb', line 19

def traverse(obj, &block)
  if !respond_to?(:lower) || lower.text_value == '.'
    obj.each(&block)
  elsif lower.text_value == '..'
    obj.each do |o|
      recurse(o, &block)
    end
  end
end

#traversing_descendants? ⇒ Boolean

Returns:

  • (Boolean) 


15
16
17
 
# File 'lib/jsonpath/nodes.rb', line 15

def traversing_descendants?
  respond_to?(:lower) && lower.text_value == '..'
end