Module: Gitlab::RelativePositioning

Included in:
RelativePositioning
Defined in:
lib/gitlab/relative_positioning.rb,
lib/gitlab/relative_positioning/gap.rb,
lib/gitlab/relative_positioning/mover.rb,
lib/gitlab/relative_positioning/range.rb,
lib/gitlab/relative_positioning/ending_at.rb,
lib/gitlab/relative_positioning/closed_range.rb,
lib/gitlab/relative_positioning/item_context.rb,
lib/gitlab/relative_positioning/starting_from.rb

Defined Under Namespace

Classes: ClosedRange, EndingAt, Gap, ItemContext, Mover, Range, StartingFrom

Constant Summary collapse

STEPS = 
10
IDEAL_DISTANCE = 
2**(STEPS - 1) + 1
MIN_POSITION = 
Gitlab::Database::MIN_INT_VALUE
START_POSITION = 
0
MAX_POSITION = 
Gitlab::Database::MAX_INT_VALUE
MAX_GAP = 
IDEAL_DISTANCE * 2
MIN_GAP = 
2
NoSpaceLeft = 
Class.new(StandardError)
InvalidPosition = 
Class.new(StandardError)
IllegalRange = 
Class.new(ArgumentError)
IssuePositioningDisabled = 
Class.new(StandardError)

Class Method Summary collapse

Class Method Details

.range(lhs, rhs) ⇒ Object 



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# File 'lib/gitlab/relative_positioning.rb', line 20

def self.range(lhs, rhs)
  if lhs && rhs
    ClosedRange.new(lhs, rhs)
  elsif lhs
    StartingFrom.new(lhs)
  elsif rhs
    EndingAt.new(rhs)
  else
    raise IllegalRange, 'One of rhs or lhs must be provided' unless lhs && rhs
  end
end