Class: Octopress::Printable::Plugin

Inherits:
Ink::Plugin
  • Object
show all
Defined in:
lib/octopress-printable/plugin.rb

Instance Method Summary collapse

Instance Method Details

#gen_pdf(mdfile, pdffile, source_dir, posts_dir, blog_url, bib_dir, bib_file, post_url) ⇒ Object 



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# File 'lib/octopress-printable/plugin.rb', line 66

def gen_pdf(mdfile, pdffile, source_dir, posts_dir, blog_url,
        bib_dir, bib_file, post_url)
  pdfdir = File.dirname(pdffile)
  if ! File.exists?(pdfdir)
    FileUtils.mkdir_p pdfdir
  end

  converters = []
  math = MathConverter.new
  converters << math
  img = ImgConverter.new(source_dir)
  converters << img
  tex2img = Tex2imgConverter.new(source_dir)
  converters << tex2img
  bib = BibConverter.new("#{source_dir}/#{bib_dir}/#{bib_file}",
          "#{pdfdir}/#{bib_file}")
  converters << bib
  gist = GistConverter.new
  converters << gist
  post_link = PostLinkConverter.new(source_dir, posts_dir, blog_url)
  converters << post_link
  latex = LatexConverter.new
  converters << latex

  tmpfile="#{pdffile}.markdown"
  comment = false
  File.open(tmpfile, 'w') do |post|
    File.open(mdfile, "r") do |file|  
      while line = file.gets
        line = line.strip

        if /^{% comment %}$/ =~ line
          comment = true
          next
        end

        if /^{% endcomment %}$/ =~ line
          comment = false
          next
        end

        if comment
          next
        end

        line = line.gsub(/{% comment %} (.*?) {% endcomment %}/, "")

        line = line.gsub(/\* list element with functor item/, '')
        line = line.gsub(/{:toc}/, '\tableofcontents')

        line = line.sub(/^#(#*)/, '\1')

        for converter in converters
          line = converter.convert(line)
        end

        post.puts line
      end  
    end

    url = "#{blog_url}/#{post_url}".gsub(/([^:])\/\/+/, '\1/')
    post.puts "\\renewcommand{\\thefootnote}{}\\footnotetext{Online version at \\url{#{url}}}"
  end 

  cts = []
  for converter in converters
    if converter.match
      cts << converter
    end
  end
  converters = cts

  texfile = pdffile.sub(/.pdf$/, '.tex')
  base = pdffile.sub(/.pdf$/, '')
  pkgfile = "#{pdffile}.header.tex"

  File.open(pkgfile, "w") { |f|
    for converter in converters
      converter.header.each do |h|
        f.puts h
      end
    end
  }

  cmds = []
  args = []
  for converter in converters
    args += converter.pandoc_args
  end

  cmds << "pandoc -s -N #{args.join(" ")} --include-in-header=#{pkgfile} #{tmpfile} -o #{texfile} " 

  (1..2).each do |step|
    args = []
    extra_cmds = []
    for converter in converters
      extra_cmds += converter.before_xelatex(step, texfile)
    end
    for cmd in extra_cmds
      cmds << cmd
    end

    for converter in converters
      args += converter.xelatex_args(step)
    end
	  cmds << "xelatex #{args.join(" ")} -output-directory=#{pdfdir} -no-pdf --interaction=nonstopmode #{base} >/dev/null"
  end

  extra_cmds = []
  for converter in converters
    extra_cmds += converter.before_xelatex(3, texfile)
  end
  for cmd in extra_cmds
    cmds << cmd
  end
	cmds << "xelatex #{args.join(" ")} -output-directory=#{pdfdir} --interaction=nonstopmode #{base} >/dev/null"

  extra_cmds = []
  for converter in converters
    extra_cmds += converter.last_xelatex(texfile)
  end
  for cmd in extra_cmds
    cmds << cmd
  end

  envs = []
  for converter in converters
    envs += converter.envs
  end
  File.open("#{base}.sh", 'w') { |f|
    f.write(envs.join("\n"))
    f.write("\n")
    f.write(cmds.join("\n"))
  }
  FileUtils.chmod(0755, "#{base}.sh")

  if ! @conf['dry_run']
    system "#{base}.sh"
  end

  if ! @conf['dump_cmds']
	  FileUtils.rm_f("#{base}.sh")
  end

  if File.exists?("#{File.basename(base)}.pyg")
    FileUtils.mv("#{File.basename(base)}.pyg", pdfdir)
  end

  if !@conf['keep_tmp_files']
	  FileUtils.rm_f("#{base}.aux")
	  FileUtils.rm_f("#{base}.log")
	  FileUtils.rm_f("#{base}.lot")
	  FileUtils.rm_f("#{base}.out")
	  FileUtils.rm_f("#{base}.toc")
	  FileUtils.rm_f("#{base}.blg")
	  FileUtils.rm_f("#{base}.bbl")
	  FileUtils.rm_f("#{base}.lof")
	  FileUtils.rm_f("#{base}.xdv")
	  FileUtils.rm_f("#{base}.hst")
	  FileUtils.rm_f("#{base}.ver")
	  FileUtils.rm_f("#{base}.synctex.gz")
    FileUtils.rm_f("#{base}.pyg")
  end

  if !@conf['dump_tex_file']
    FileUtils.rm_f("#{texfile}")
    FileUtils.rm_f("#{pkgfile}")
  end

  if !@conf['dump_markdown_file']
    FileUtils.rm_f("#{tmpfile}")
  end

  if !@conf['dump_bib_file'] && bib.match
    bib.cleanup
  end
end

#generate(site, config) ⇒ Object 



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# File 'lib/octopress-printable/plugin.rb', line 22

def generate(site, config)
  @conf = inject_configs

  posts_dir = @conf['posts_dir']
  printables_dir = @conf['printables_dir']
  source_dir = @conf['source_dir']
  blog_url = @conf['blog_url']
  bib_dir = @conf['bibliography_dir']
  bib = @conf['bibliography']

  if !File.exists?(printables_dir)
    FileUtils.mkdir_p(printables_dir)
  end

  site.posts.each do |p|
    post = p.path
    head = YAML.load_file(post)
    
    if head['noprintable']
      next
    end

    pdf = p.url.sub(/^\//, "")
    pdf = pdf.sub(/\/$/, "")
    pdf = pdf.gsub(/\//, "-")
    pdf = "#{printables_dir}/#{pdf}.pdf"

    if !File.exists?(pdf) || timestamp(post, source_dir) > File.stat(pdf).mtime
      puts "Converting #{post} to #{pdf}"
      gen_pdf(post, pdf, source_dir, posts_dir, blog_url,
              bib_dir, bib, p.url)
      if File.exists?(pdf)
        site.static_files << Jekyll::StaticFile.new(site,
                site.source, printables_dir, File.basename(pdf))
      end
    end
  end
end

#inject_configs ⇒ Object 



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# File 'lib/octopress-printable/plugin.rb', line 61

def inject_configs
  @conf = self.config
  @conf = Jekyll::Utils.deep_merge_hashes(YAML.load(Config.default_config), @conf)
end

#register ⇒ Object 



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# File 'lib/octopress-printable/plugin.rb', line 15

def register
  super
  if Octopress::Ink.enabled?
    self.generate(Octopress.site, config)
  end
end

#timestamp(post, source_dir) ⇒ Object 



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# File 'lib/octopress-printable/plugin.rb', line 244

def timestamp(post, source_dir)
  ts = [ File.stat(post).mtime ]
  ts << MathConverter.timestamp(post, source_dir)
  ts << ImgConverter.timestamp(post, source_dir)
  ts << Tex2imgConverter.timestamp(post, source_dir)
  ts << BibConverter.timestamp(post, source_dir)
  ts << GistConverter.timestamp(post, source_dir)
  ts << PostLinkConverter.timestamp(post, source_dir)
  ts << LatexConverter.timestamp(post, source_dir)
  ts.max
end