Module: Pacer::Filter::RangeFilter

Defined in:
lib/pacer/filter/range_filter.rb

Instance Method Summary collapse

Instance Method Details

#begin=(n) ⇒ Object 



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# File 'lib/pacer/filter/range_filter.rb', line 67

def begin=(n)
  @range = n..range.end
end

#end=(n) ⇒ Object 



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# File 'lib/pacer/filter/range_filter.rb', line 71

def end=(n)
  @range = range.begin..n
end

#index=(index) ⇒ Object 



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# File 'lib/pacer/filter/range_filter.rb', line 75

def index=(index)
  @range = index..index
end

#limit(n = nil) ⇒ Object 



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# File 'lib/pacer/filter/range_filter.rb', line 29

def limit(n = nil)
  @limit = n
  if range.begin == -1
    @range = range.begin...n
  else
    @range = range.begin...(range.begin + n)
  end
  self
end

#limit=(n) ⇒ Object 



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# File 'lib/pacer/filter/range_filter.rb', line 39

def limit=(n)
  limit n
  n
end

#offset(n = nil) ⇒ Object Also known as: drop 



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# File 'lib/pacer/filter/range_filter.rb', line 44

def offset(n = nil)
  s = n
  s += 1 if range.begin == -1
  if range.end == -1
    @range = (range.begin + s)..-1
  elsif range.exclude_end?
    @range = (range.begin + s)...(range.end + n)
  else
    @range = (range.begin + s)..(range.end + n)
  end
  self
end

#offset=(n) ⇒ Object 



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# File 'lib/pacer/filter/range_filter.rb', line 58

def offset=(n)
  offset n
  n
end

#range ⇒ Object 



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# File 'lib/pacer/filter/range_filter.rb', line 79

def range
  @range ||= -1..-1
end

#range=(range) ⇒ Object 



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# File 'lib/pacer/filter/range_filter.rb', line 63

def range=(range)
  @range = range
end