class ArrayHandler

# File lib/csv_pivot/array_handler.rb, line 2
def create_data_store
  data_store = Hash.new
  if @headers
    rows = @input_array[0].index(@pivot_rows)   
    cols = @input_array[0].index(@pivot_columns) 
    data = @input_array[0].index(@pivot_data)  
  else
    rows = @pivot_rows
    cols = @pivot_columns
    data = @pivot_data
  end

  @input_array.each_with_index do |row, i|
    if (@headers && i == 0) then next end
    if data_store.include? "#{row[rows]}:#{row[cols]}" then
      data_store["#{row[rows]}:#{row[cols]}"][:data].push(row[data])
    else
      data_store.store("#{row[rows]}:#{row[cols]}",
                        {:row    => row[rows],
                         :column => row[cols],
                         :data   => [row[data]]} )
    end
  end
  data_store
end