Class: Nineteen::Eighty::Two::Decorators::RunLengthEncoder
- Inherits:
-
Object
- Object
- Nineteen::Eighty::Two::Decorators::RunLengthEncoder
- Defined in:
- lib/nineteen/eighty/two/decorators/run_length_encoder.rb
Class Method Summary collapse
Class Method Details
.encode(row) ⇒ Object
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 |
# File 'lib/nineteen/eighty/two/decorators/run_length_encoder.rb', line 6 def self.encode row result = [] count = 0 step = 0 while step < row.length current = row[step] step += 1 nxt = row[step] if nxt == current count += 1 else result << (Span.new current, count + 1) count = 0 current = nxt end end result end |