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Added TextHelper#auto_link, TextHelper#auto_link_urls, and TextHelper#auto_link_email_addresses to turn those elements into ahrefs

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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@661 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
David Heinemeier Hansson 2005-02-18 14:06:36 +00:00
parent bc8e41247b
commit b305756d9f
3 changed files with 26 additions and 0 deletions
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2
actionpack/CHANGELOG
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@ -1,5 +1,7 @@
*SVN*
* Added TextHelper#auto_link, TextHelper#auto_link_urls, and TextHelper#auto_link_email_addresses to turn those elements into ahrefs
* Fixed that on validation errors, scaffold couldn't find template #654 [mindel]
* Added Base#hide_actions(*names) to hide public methods from a controller that would otherwise have been callable through the URL. For the majority of cases, its preferred just to make the methods you don't want to expose protected or private (so they'll automatically be hidden) -- but if you must have a public method, this is a way to make it uncallable. Base#hidden_actions retrieve the list of all hidden actions for the controller #644 [Nicholas Seckar]

18
actionpack/lib/action_view/helpers/text_helper.rb
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@ -96,6 +96,24 @@ module ActionView
# We can't really help what's not there
end
# Turns all urls and email addresses into clickable links. Example:
# "Go to http://www.rubyonrails.com and say hello to david@loudthinking.com" =>
# Go to <a href="http://www.rubyonrails.com">http://www.rubyonrails.com</a> and
# say hello to <a href="mailto:david@loudthinking.com">david@loudthinking.com</a>
def auto_link(text)
auto_link_urls(auto_link_email_addresses(text))
end
# Turns all urls into clickable links.
def auto_link_urls(text)
text.gsub(/([^=><!:'"\/]|^)((http[s]?:\/\/)|(www\.))(\S+\b\/?)([[:punct:]]*)(\s|$)/, '\1<a href="\3\4\5">\3\4\5</a>\6\7')
end
# Turns all email addresses into clickable links.
def auto_link_email_addresses(text)
text.gsub(/([\w\.!#\$%\-+.]+@[A-Za-z0-9\-]+(\.[A-Za-z0-9\-]+)+)/, '<a href="mailto:\1">\1</a>')
end
# Turns all links into words, like "<a href="something">else</a>" to "else".
def strip_links(text)
text.gsub(/<a.*>(.*)<\/a>/m, '\1')

6
actionpack/test/template/text_helper_test.rb
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@ -59,4 +59,10 @@ class TextHelperTest < Test::Unit::TestCase
assert_equal("1 count", pluralize(1, "count"))
assert_equal("2 counts", pluralize(2, "count"))
end
def test_auto_linking
assert_equal %(hello <a href="mailto:david@loudthinking.com">david@loudthinking.com</a>), auto_link_email_addresses("hello david@loudthinking.com")
assert_equal %(Go to <a href="http://www.rubyonrails.com">http://www.rubyonrails.com</a>), auto_link_urls("Go to http://www.rubyonrails.com")
assert_equal %(Go to <a href="http://www.rubyonrails.com">http://www.rubyonrails.com</a> and say hello to <a href="mailto:david@loudthinking.com">david@loudthinking.com</a>), auto_link("Go to http://www.rubyonrails.com and say hello to david@loudthinking.com")
end
end