# File lib/spreadsheet/excel/worksheet.rb, line 15
  def initialize opts = {}
    @row_addresses = nil
    super
    @offset, @ole, @reader = opts[:offset], opts[:ole], opts[:reader]
    @dimensions = nil
    @links = {}
    @guts = {}
  end

# File lib/spreadsheet/excel/worksheet.rb, line 23
  def add_link row, column, link
    @links.store [row, column], link
  end

# File lib/spreadsheet/excel/worksheet.rb, line 26
  def column idx
    ensure_rows_read
    super
  end

# File lib/spreadsheet/excel/worksheet.rb, line 30
  def date_base
    @workbook.date_base
  end

# File lib/spreadsheet/excel/worksheet.rb, line 33
  def each *args
    ensure_rows_read
    super
  end

# File lib/spreadsheet/excel/worksheet.rb, line 37
  def ensure_rows_read
    return if @row_addresses
    @dimensions = nil
    @row_addresses = []
    @reader.read_worksheet self, @offset if @reader
  end

# File lib/spreadsheet/excel/worksheet.rb, line 43
  def row idx
    @rows[idx] or begin
      ensure_rows_read
      if addr = @row_addresses[idx]
        row = @reader.read_row self, addr
        [:default_format, :height, :outline_level, :hidden, ].each do |key|
          row.send "unupdated_#{key}=", addr[key]
        end
        row.worksheet = self
        row
      else
        Row.new self, idx
      end
    end
  end

# File lib/spreadsheet/excel/worksheet.rb, line 58
  def row_updated idx, row
    res = super
    @workbook.changes.store self, true
    @workbook.changes.store :boundsheets, true
    @changes.store idx, true
    @changes.store :dimensions, true
    res
  end

# File lib/spreadsheet/excel/worksheet.rb, line 66
  def set_row_address idx, opts
    @offsets.store idx, opts[:row_block]
    @row_addresses[idx] = opts
  end

# File lib/spreadsheet/excel/worksheet.rb, line 70
  def shared_string idx
    @workbook.shared_string idx
  end