Contents

module Linkedin2CV
  class LatexRenderer

    # Public: Render a LaTeX document
    #
    #
    def render(profile, options)
      output = render_latex(profile, options)
      output_filename = "#{options['output_file']}.latex"
      render_pdf(output, output_filename)
    end

    # Public: Produce a Latex PDF
    #
    #
    def render_pdf(output, output_filename)
      output_file = File.new(output_filename, 'w')
      output_file.write(output)
      output_file.close

      # Make sure this variable is escaped, clearly.....
      system("pdflatex  -output-directory=/tmp/ #{output_filename}")
    end

    # Convert a LinkedIn Profile into a LaTeX source document.
    #
    #
    def render_latex(profile, options)
      require 'tilt/erb'
      template = Tilt.new('templates/cv.erb')
      output = template.render(self, :profile => profile, :options => options)
      output
    end
  end
end

# Monkey patching jiggery-pokery to escape special LaTeX chars
# automatically from ERB <%= %> statements
class ERB::Compiler
  alias_method :old_add_insert_cmd, :add_insert_cmd
  alias_method :old_add_put_cmd, :add_put_cmd

  def add_insert_cmd(out, content)
    out.push("#{@insert_cmd}(clean_latex( (#{content}).to_s ))")
  end

end

# Public: Prepare a string for LaTeX rendering.
#
# Escapes special chars, replaces etc.
def clean_latex(s)
  # Clean &
  s = s.gsub(/(?<!\\)\&(?!\\)/, '\\\&')

  # Clean $
  s = s.gsub(/(?<!\\)\$(?!\\)/, '\\\$')

  # Clean %
  s = s.gsub(/(?<!\\)%(?!\\)/, '\\\%')

  # # Clean ~
  s = s.gsub(/\~/, '\\\textasciitilde')

  # # Clean >
  s = s.gsub(/\>/, '\\\textgreater')

  # # Clean <
  s = s.gsub(/\</, '\\\textless')

  s
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
linkedin2cv-0.0.2	lib/linkedin2cv/renderer/latex_renderer.rb