Method: RubyXL::Reference#initialize

Defined in:
lib/rubyXL/objects/reference.rb

#initialize(*params) ⇒ Reference

RubyXL::Reference.new(row, col) RubyXL::Reference.new(row_from, row_to, col_from, col_to) RubyXL::Reference.new(reference_string)



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# File 'lib/rubyXL/objects/reference.rb', line 11

def initialize(*params)
  row_from = row_to = col_from = col_to = nil

  case params.size
  when 4 then row_from, row_to, col_from, col_to = params
  when 2 then row_from, col_from = params
  when 1 then
    raise ArgumentError.new("invalid value for #{self.class}: #{params[0].inspect}") unless params[0].is_a?(String)
    from, to = params[0].split(':')
    row_from, col_from = self.class.ref2ind(from)
    row_to, col_to = self.class.ref2ind(to) unless to.nil?
  end

  @row_range = Range.new(row_from || 0, row_to || row_from || ROW_MAX)
  @col_range = Range.new(col_from || 0, col_to || col_from || COL_MAX)
end