Class: Sawtooth::Document::Stack

Inherits:

Array

• Object
• Array
• Sawtooth::Document::Stack

Defined in:

lib/sawtooth/document.rb

Instance Method Summary

• #current ⇒ Object (also: #top)
• #parent ⇒ Object
• #peek(n = 0) ⇒ Object
• #root ⇒ Object

Instance Method Details

#current ⇒ Object Also known as: top

# File 'lib/sawtooth/document.rb', line 22

def current; peek(0) end

#parent ⇒ Object

# File 'lib/sawtooth/document.rb', line 25

def parent; peek(-1) end

#peek(n = 0) ⇒ Object

# File 'lib/sawtooth/document.rb', line 18

def peek(n = 0)
  self[(n + 1) * -1]
end

#root ⇒ Object

# File 'lib/sawtooth/document.rb', line 27

def root; first end