Class: Nanoc::Latexmk::Filters::LatexmkFilter

Inherits:
Filter
  • Object
show all
Defined in:
lib/nanoc/latexmk/filters/latexmk.rb

Constant Summary collapse

TMPFILE_NAME = 
'nanoc-latexmk.tex'
ENGINES = 
{
  pdflatex: '-pdf',
  xelatex:  '-xelatex'
}.freeze
LATEX_PARAMS = 
%w[-interaction=nonstopmode -halt-on-error -file-line-error].freeze
DEFAULT_PARAMS = 
{
  engine: :pdflatex,
  command_params: LATEX_PARAMS,
  shell_escape: false
}.freeze

Instance Method Summary collapse

Instance Method Details

#run(content, params = {}) ⇒ Object 



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# File 'lib/nanoc/latexmk/filters/latexmk.rb', line 27

def run(content, params = {})
  params = DEFAULT_PARAMS.merge(params)

  raise 'Unknown Engine' unless ENGINES.key? params[:engine].to_sym

  latex_params = []
  latex_params += params[:command_params]

  latex_params << if params[:shell_escape]
                     '-shell-escape'
                   else
                     '-no-shell-escape'
                   end

  Dir.mktmpdir do |dir|
    File.open(File.join(dir, TMPFILE_NAME), 'w') do |f|
      f.write(content)
      f.flush

      latexmk_command = ['latexmk', ENGINES[params[:engine].to_sym]] \
                        + latex_params.map { |p| '-latexoption=' + p } \
                        + ["-output-directory=#{dir}", f.path ]

      puts "Running latexmk command: #{latexmk_command}"

      raise 'Build Error' unless system(*latexmk_command)
      system('mv', f.path.sub('.tex', '.pdf'), output_filename)
    end
  end
end