Class: Pdflatex::Converter

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

Class Method Summary collapse

Class Method Details

.convert(latex_file, output_path) ⇒ Object 



7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/pdflatex.rb', line 7

def self.convert(latex_file, output_path)
  path_to_latex_file = File.expand_path(latex_file)
  expanded_output_path = File.expand_path(output_path)

  latex_file_name = File.basename(latex_file)

  # Do not use docker image if ENV key is set
  dont_use_docker = ENV.has_key?('DONT_USE_DOCKER')

  cmd = if dont_use_docker
          <<-CMD.gsub(/\s+/, ' ')
            latexmk -outdir=#{expanded_output_path} -pdf #{path_to_latex_file}
          CMD
        else
          <<-CMD.gsub(/\s+/, ' ')
            docker run
            --rm
            --user $(id -u)
            -v #{path_to_latex_file}:/pdflatex/#{latex_file_name}
            -v #{expanded_output_path}:/pdflatex/out
            swissdrg/pdflatex:ride
            latexmk -outdir=out -pdf #{latex_file_name}
          CMD
        end

  output = `#{cmd}`

  if $?.success?
    file_name = File.basename(latex_file_name, '.tex')
    # remove auxilary files
    %w(aux fdb_latexmk fls log).each do |ext|
      file_path = File.join(expanded_output_path, "#{file_name}.#{ext}")
      File.delete(file_path) if File.exist?(file_path)
    end
  end

  output
end