Method: Excelx#initialize

Defined in:
lib/roo/excelx.rb

#initialize(filename, packed = nil, file_warning = :error) ⇒ Excelx

initialization and opening of a spreadsheet file values for packed: :zip



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# File 'lib/roo/excelx.rb', line 88

def initialize(filename, packed=nil, file_warning = :error) #, create = false)
  super()
  @file_warning = file_warning
  file_type_check(filename,'.xlsx','an Excel-xlsx',packed)
  @tmpdir = GenericSpreadsheet.next_tmpdir
  @tmpdir = File.join(ENV['ROO_TMP'], @tmpdir) if ENV['ROO_TMP'] 
  unless File.exists?(@tmpdir)
    FileUtils::mkdir(@tmpdir)
  end
  filename = open_from_uri(filename) if filename[0,7] == "http://"
  filename = unzip(filename) if packed and packed == :zip
  @cells_read = Hash.new
  @filename = filename
  unless File.file?(@filename)
    FileUtils::rm_r(@tmpdir)
    raise IOError, "file #{@filename} does not exist"
  end
  @@nr += 1
  @file_nr = @@nr
  @comments_files = Array.new
  extract_content(@filename)
  file = File.new(File.join(@tmpdir, @file_nr.to_s+"_roo_workbook.xml"))
  @workbook_doc = Nokogiri::XML(file)
  file.close
  @shared_table = []
  if File.exist?(File.join(@tmpdir, @file_nr.to_s+'_roo_sharedStrings.xml'))
    file = File.new(File.join(@tmpdir, @file_nr.to_s+'_roo_sharedStrings.xml'))
    @sharedstring_doc = Nokogiri::XML(file)
    file.close
    read_shared_strings(@sharedstring_doc)
  end
  @styles_table = []
  @style_definitions = Array.new # TODO: ??? { |h,k| h[k] = {} }
  if File.exist?(File.join(@tmpdir, @file_nr.to_s+'_roo_styles.xml'))
    file = File.new(File.join(@tmpdir, @file_nr.to_s+'_roo_styles.xml'))
    @styles_doc = Nokogiri::XML(file)
    file.close
    read_styles(@styles_doc)
  end
  @sheet_doc = []
  @sheet_files.each_with_index do |item, i|
    file = File.new(item)
    @sheet_doc[i] = Nokogiri::XML(file)
    file.close
  end
  @comments_doc = []
  @comments_files.each_with_index do |item, i|
    file = File.new(item)
    @comments_doc[i] = Nokogiri::XML(file)
    file.close
  end
  FileUtils::rm_r(@tmpdir)
  @default_sheet = self.sheets.first
  @cell = Hash.new
  @cell_type = Hash.new
  @formula = Hash.new
  @first_row = Hash.new
  @last_row = Hash.new
  @first_column = Hash.new
  @last_column = Hash.new
  @header_line = 1
  @excelx_type = Hash.new
  @excelx_value = Hash.new
  @s_attribute = Hash.new # TODO: ggf. wieder entfernen nur lokal benoetigt
  @label = Hash.new
  @labels_read = false
  @comment = Hash.new
  @comments_read = Hash.new
end