Module: AsFoo::AsHtml

Included in:
String
Defined in:
lib/as_foo/as_html.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.available_pager ⇒ Object 



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# File 'lib/as_foo/as_html.rb', line 7

def available_pager
  @@_as_foo_html_pager ||= %i(w3m elinks lynx links).find {|command|
    system("which #{command}", out: "/dev/null", err: "/dev/null")
  }
end

Instance Method Details

#as_html(with: nil, options: nil) ⇒ String

Returns converted string.

Returns:

  • (String) —

    converted string



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# File 'lib/as_foo/as_html.rb', line 15

def as_html(with: nil, options: nil)
  pager = with || AsHtml.available_pager

  raise "could not find available pager command" unless pager

  case pager
  when :w3m
    Open3.popen3("w3m -dump -T text/html") do |stdin, stdout, stderr|
      stdin.puts self.to_s
      stdin.close
      stdout.read
    end
  when :lynx
    Open3.popen3("lynx -dump -nonumbers -nolist -stdin") do |stdin, stdout, stderr|
      stdin.puts self.to_s
      stdin.close
      stdout.read
    end
  when :links
    Tempfile.open ["as_foo", ".html"] do |src|
      src.puts self.to_s
      src.flush

      `links -dump #{src.path}`
    end
  when :elinks
    Open3.popen3("elinks -dump -no-numbering -no-references") do |stdin, stdout, stderr|
      stdin.puts self.to_s
      stdin.close
      stdout.read
    end
  else
    raise ArgumentError.new("unexpected method #{pager}")
  end
end