Method: Verku::Exporter::Epub#write_sections!

Defined in:
lib/verku/exporter/epub.rb

#write_sections! ⇒ Object 



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# File 'lib/verku/exporter/epub.rb', line 95

def write_sections!
  # First we need to get all ids, which are used as
  # the anchor target.
  links = sections.inject({}) do |buffer, section|
    section.html.css("[id]").each do |element|
      anchor = "##{element["id"]}"
      buffer[anchor] = "#{section.filename}#{anchor}"
    end

    buffer
  end

  # Then we can normalize all links and
  # manipulate other paths.
  #
  sections.each do |section|
    section.html.css("a[href^='#']").each do |link|
      href = link["href"]
      link.set_attribute("href", links.fetch(href, href))
    end

    # Replace all srcs.
    #
    section.html.css("[src]").each do |element|
      src = File.basename(element["src"]).gsub(/\.svg$/, ".png")
      element.set_attribute("src", src)
      element.set_attribute("alt", "")
      element.node_name = "img"
    end

    FileUtils.mkdir_p(tmp_dir)
    File.open(section.filepath, "w") do |file|
      body = section.html.css("body").to_xhtml.gsub(%r[<body>(.*?)</body>]m, "\\1")
      file << render_chapter(body)
    end
  end
end