Class: CsvBuilder::TransliteratingFilter

Inherits:
Object
  • Object
show all
Defined in:
lib/csv_streamer/transliterating_filter.rb

Instance Method Summary collapse

Constructor Details

#initialize(faster_csv, input_encoding = 'UTF-8', output_encoding = 'LATIN1') ⇒ TransliteratingFilter

Transliterate into the required encoding if necessary



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# File 'lib/csv_streamer/transliterating_filter.rb', line 5

def initialize(faster_csv, input_encoding = 'UTF-8', output_encoding = 'LATIN1')
  @faster_csv = faster_csv

  # TODO: do some checking to make sure iconv works correctly in
  # current environment. See ActiveSupport::Inflector#transliterate
  # definition for details
  #
  # Not using the more standard //IGNORE//TRANSLIT because it raises
  # Iconv::IllegalSequence for some inputs
  @iconv = Iconv.new("#{output_encoding}//TRANSLIT//IGNORE", input_encoding) if input_encoding != output_encoding
end

Instance Method Details

#<<(row) ⇒ Object Also known as: add_row

Transliterate before passing to FasterCSV so that the right characters (e.g. quotes) get escaped



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# File 'lib/csv_streamer/transliterating_filter.rb', line 18

def <<(row)
  @faster_csv << if @iconv then row.map { |value| @iconv.iconv(value.to_s) } else row end
end