auto_link_urls(text, html_options = {}, options = {})
private
Turns all urls into clickable links. If a block is given, each url is
yielded and the result is used as the link text.
# File actionpack/lib/action_view/helpers/text_helper.rb, line 460
def auto_link_urls(text, html_options = {}, options = {})
link_attributes = html_options.stringify_keys
text.gsub(AUTO_LINK_RE) do
scheme, href = $1, $&
punctuation = []
if auto_linked?($`, $')
# do not change string; URL is already linked
href
else
# don't include trailing punctuation character as part of the URL
while href.sub!(/[^\w\/-]$/, '')
punctuation.push $&
if opening = BRACKETS[punctuation.last] and href.scan(opening).size > href.scan(punctuation.last).size
href << punctuation.pop
break
end
end
link_text = block_given?? yield(href) : href
href = 'http://' + href unless scheme
unless options[:sanitize] == false
link_text = sanitize(link_text)
href = sanitize(href)
end
content_tag(:a, link_text, link_attributes.merge('href' => href), !!options[:sanitize]) + punctuation.reverse.join('')
end
end.html_safe
end
