Class: WirisPlugin::Stack

Inherits:
Object
  • Object
show all
Includes:
Wiris
Defined in:
lib/com/wiris/util/type/Stack.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Stack

Returns a new instance of Stack.



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# File 'lib/com/wiris/util/type/Stack.rb', line 8

def initialize()
    super()
    self.array = Array.new()
    self.size = 0
end

Instance Attribute Details

#array ⇒ Object

Returns the value of attribute array.



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# File 'lib/com/wiris/util/type/Stack.rb', line 6

def array
  @array
end

#size ⇒ Object

Returns the value of attribute size.



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# File 'lib/com/wiris/util/type/Stack.rb', line 7

def size
  @size
end

Instance Method Details

#empty ⇒ Object 



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# File 'lib/com/wiris/util/type/Stack.rb', line 26

def empty()
    return @size == 0
end

#pop ⇒ Object 



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# File 'lib/com/wiris/util/type/Stack.rb', line 16

def pop()
    if @size > 0
        @size-=1
        @array::pop()
    end
end

#push(e) ⇒ Object 



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# File 'lib/com/wiris/util/type/Stack.rb', line 22

def push(e)
    @array::push(e)
    @size+=1
end

#top ⇒ Object 



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# File 'lib/com/wiris/util/type/Stack.rb', line 13

def top()
    return @array::_(@size - 1)
end