Class: Soroban::LabelWalker

Inherits:

Object

• Object
• Soroban::LabelWalker

show all

Includes:

Enumerable

Defined in:

lib/soroban/label_walker.rb

Overview

Instance Method Summary (collapse)

• - (Object) each

  Yield the label of each cell referenced by the supplied range.

• - (LabelWalker) initialize(range) constructor

  Create a new walker from a supplied range.

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# File 'lib/soroban/label_walker.rb', line 9

def initialize(range)
  @fc, @fr, @tc, @tr = Soroban::getRange(range)
end

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# File 'lib/soroban/label_walker.rb', line 14

def each
  col, row = @fc, @fr
  while true do
    yield "#{col}#{row}"
    break if row == @tr && col == @tc
    if row == @tr
      row = @fr
      col = col.next
    else
      row = row.next
    end
  end
end