This is a component for generating PDF files for Brazilian DANFE ("Documento Auxiliar da Nota Fiscal Eletrônica") from a valid NFE XML.
Inspired on NFePHP class [http://www.assembla.com/wiki/show/nfephp/DanfeNFePHP].
gem install ruby_danfe
require 'ruby_danfe'
RubyDanfe.generate('sample.pdf', 'sample.xml')