Class: TimeCost::RangeList

Inherits:
Object
  • Object
show all
Defined in:
lib/timecost/range_list.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RangeList

Returns a new instance of RangeList.



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# File 'lib/timecost/range_list.rb', line 4

def initialize
  @ranges = []
end

Instance Method Details

#add(range) ⇒ Object 



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# File 'lib/timecost/range_list.rb', line 8

def add range
  merged = false
  merged_range = nil

  # merge
  @ranges.each do |old|
    #pp old
    if old.overlap? range then
      old.merge range
      merged_range = old
      merged = true
      break
    end
  end

  # add if needed
  if merged then
    @ranges.delete merged_range
    self.add merged_range
  else 
    @ranges.push range
  end
end

#each ⇒ Object 



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# File 'lib/timecost/range_list.rb', line 32

def each 
  @ranges.each do |r|
    yield r
  end
end

#sum ⇒ Object 



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# File 'lib/timecost/range_list.rb', line 38

def sum
  result = 0
  @ranges.each do |r|
    result += r.diff
  end
  return result
end