discourse/lib/email_cook.rb
2016-03-31 17:40:54 -04:00

46 lines
955 B
Ruby

# A very simple formatter for imported emails
class EmailCook
def self.url_regexp
/[^\>]*((?:https?:(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.])(?:[^\s()<>]+|\([^\s()<>]+\))+(?:\([^\s()<>]+\)|[^`!()\[\]{};:'".,<>?«»\s]))/
end
def initialize(raw)
@raw = raw
end
def cook
result = ""
in_quote = false
quote_buffer = ""
@raw.each_line do |l|
if l =~ /^\s*>/
in_quote = true
quote_buffer << l.sub(/^[\s>]*/, '') << "<br>"
elsif in_quote
result << "<blockquote>#{quote_buffer}</blockquote>"
quote_buffer = ""
in_quote = false
else
l.scan(EmailCook.url_regexp).each do |m|
url = m[0]
l.gsub!(url, "<a href='#{url}'>#{url}</a>")
end
result << l << "<br>"
end
end
if in_quote
result << "<blockquote>#{quote_buffer}</blockquote>"
end
result.gsub!(/(<br>){3,10}/, '<br><br>')
result
end
end