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# Copyright (c) 2010, Diaspora Inc. This file is
# licensed under the Affero General Public License version 3 or later. See
# the COPYRIGHT file.
require File.expand_path("#{Rails.root}/lib/diaspora/markdownify")
module MarkdownifyHelper
def markdownify(target, render_options={})
markdown_options = {
:autolink => true,
:fenced_code_blocks => true,
:space_after_headers => true,
:strikethrough => true,
:superscript => true,
:tables => true
}
render_options[:filter_html] = true
# This ugly little hack basically means
# "Give me the rawest contents of target available"
if target.respond_to?(:raw_message)
message = target.raw_message
elsif target.respond_to?(:text)
message = target.text
else
message = target.to_s
end
return '' if message.blank?
renderer = Diaspora::Markdownify::HTML.new(render_options)
markdown = Redcarpet::Markdown.new(renderer, markdown_options)
message = markdown.render(message)
if target.respond_to?(:format_mentions)
message = target.format_mentions(message)
end
message = Diaspora::Taggable.format_tags(message, :no_escape => true)
return message.html_safe
end
def process_newlines(message)
# in very clear cases, let newlines become <br /> tags
# Grabbed from Github flavored Markdown
message.gsub(/^[\w\<][^\n]*\n+/) do |x|
x =~ /\n{2}/ ? x : (x.strip!; x << " \n")
end
end
end
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