31 lines
656 B
Ruby
31 lines
656 B
Ruby
# frozen_string_literal: true
|
|
|
|
class PlainTextFormatter
|
|
NEWLINE_TAGS_RE = %r{(<br />|<br>|</p>)+}
|
|
|
|
attr_reader :text, :local
|
|
|
|
alias local? local
|
|
|
|
def initialize(text, local)
|
|
@text = text
|
|
@local = local
|
|
end
|
|
|
|
def to_s
|
|
if local?
|
|
text
|
|
else
|
|
node = Nokogiri::HTML5.fragment(insert_newlines)
|
|
# Elements that are entirely removed with our Sanitize config
|
|
node.xpath('.//iframe|.//math|.//noembed|.//noframes|.//noscript|.//plaintext|.//script|.//style|.//svg|.//xmp').remove
|
|
node.text.chomp
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def insert_newlines
|
|
text.gsub(NEWLINE_TAGS_RE) { |match| "#{match}\n" }
|
|
end
|
|
end
|