Class: Pacer::Pipes::BlockFilterPipe

Inherits:
AbstractPipe
  • Object
show all
Defined in:
lib/pacer/pipe/block_filter_pipe.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(back, block, invert = false) ⇒ BlockFilterPipe

Returns a new instance of BlockFilterPipe.



7
8
9
10
11
 
# File 'lib/pacer/pipe/block_filter_pipe.rb', line 7

def initialize(back, block, invert = false)
  super()
  @invert = invert
  @block = Pacer::Wrappers::WrappingPipeFunction.new back, block
end

Instance Attribute Details

#block ⇒ Object (readonly)

Returns the value of attribute block.



5
6
7
 
# File 'lib/pacer/pipe/block_filter_pipe.rb', line 5

def block
  @block
end

#invert ⇒ Object (readonly)

Returns the value of attribute invert.



5
6
7
 
# File 'lib/pacer/pipe/block_filter_pipe.rb', line 5

def invert
  @invert
end

Instance Method Details

#processNextStart ⇒ Object 



13
14
15
16
17
18
19
20
 
# File 'lib/pacer/pipe/block_filter_pipe.rb', line 13

def processNextStart()
  while raw_element = starts.next
    ok = block.call raw_element
    ok = !ok if invert
    return raw_element if ok
  end
  raise EmptyPipe.instance
end