Module: SegmentRanges

Included in:
SegID, Segment
Defined in:
lib/rbbt/segment/overlaps.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.collisions(main, secondary) ⇒ Object 



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# File 'lib/rbbt/segment/overlaps.rb', line 58

def self.collisions(main, secondary)
  secondary.select do |ss|
    main.select{|ms| ms.overlaps? ss }.any?
  end
end

Instance Method Details

#includes?(segment) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rbbt/segment/overlaps.rb', line 44

def includes?(segment)
  (segment.offset.to_i >= self.offset.to_i) and
  (segment.offset.to_i + segment.segment_length.to_i <= self.offset.to_i + self.segment_length.to_i)
end

#make_relative(segments, &block) ⇒ Object 



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# File 'lib/rbbt/segment/overlaps.rb', line 22

def make_relative(segments, &block)
  if block_given?
    segments.each{|s| s.push offset}
    yield(segments)
    segments.each{|s| s.pull offset}
  else
    segments.each{|s| s.push offset}
  end
end

#overlaps(segments) ⇒ Object 



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# File 'lib/rbbt/segment/overlaps.rb', line 54

def overlaps(segments)
  segments.select{|s| self.overlaps?(s) }
end

#overlaps?(segment) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rbbt/segment/overlaps.rb', line 49

def overlaps?(segment)
  segment.offset.to_i >= self.offset.to_i && segment.offset.to_i <= self.eend || 
  self.offset.to_i >= segment.offset.to_i && self.offset.to_i <= segment.eend
end

#pull(offset) ⇒ Object 



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# File 'lib/rbbt/segment/overlaps.rb', line 2

def pull(offset)
  if self.offset.nil? or offset.nil?
    self.offset = nil
  else
    self.offset += offset 
  end

  self
end

#push(offset) ⇒ Object 



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# File 'lib/rbbt/segment/overlaps.rb', line 12

def push(offset)
  if self.offset.nil? or offset.nil?
    self.offset = nil
  else
    self.offset -= offset 
  end

  self
end

#range_in(container = nil) ⇒ Object 



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# File 'lib/rbbt/segment/overlaps.rb', line 32

def range_in(container = nil)
  raise "No offset specified" if offset.nil?
  case
  when (Segment === container and not container.offset.nil?)
    ((offset - container.offset)..(self.eend - container.offset))
  when Integer === container
    ((offset - container)..(self.eend - container))
  else
    range
  end
end