Class: EideticPDF::PropertyStack

Inherits:

Object

• Object
• EideticPDF::PropertyStack

Defined in:

lib/epdfs.rb

Overview

:nodoc:

Instance Method Summary

• #initialize(obj, prop, &block) ⇒ PropertyStack constructor

  A new instance of PropertyStack.

• #pop ⇒ Object
• #push(value) ⇒ Object

Constructor Details

#initialize(obj, prop, &block) ⇒ PropertyStack

Returns a new instance of PropertyStack.

# File 'lib/epdfs.rb', line 43

def initialize(obj, prop, &block)
  @obj, @prop, @condition = obj, prop, block
  @stack = []
end

Instance Method Details

#pop ⇒ Object

# File 'lib/epdfs.rb', line 53

def pop
  value = @stack.pop
  @obj.send(@prop, value) if @condition.call(value)
end

#push(value) ⇒ Object

# File 'lib/epdfs.rb', line 48

def push(value)
  @stack.push @obj.send(@prop)
  @obj.send(@prop, value) if @condition.call(value)
end