diff options
Diffstat (limited to 'actionview/lib/action_view/helpers/output_safety_helper.rb')
-rw-r--r-- | actionview/lib/action_view/helpers/output_safety_helper.rb | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/actionview/lib/action_view/helpers/output_safety_helper.rb b/actionview/lib/action_view/helpers/output_safety_helper.rb new file mode 100644 index 0000000000..1c2a400245 --- /dev/null +++ b/actionview/lib/action_view/helpers/output_safety_helper.rb @@ -0,0 +1,38 @@ +require 'active_support/core_ext/string/output_safety' + +module ActionView #:nodoc: + # = Action View Raw Output Helper + module Helpers #:nodoc: + module OutputSafetyHelper + # This method outputs without escaping a string. Since escaping tags is + # now default, this can be used when you don't want Rails to automatically + # escape tags. This is not recommended if the data is coming from the user's + # input. + # + # For example: + # + # raw @user.name + # # => 'Jimmy <alert>Tables</alert>' + def raw(stringish) + stringish.to_s.html_safe + end + + # This method returns an HTML safe string similar to what <tt>Array#join</tt> + # would return. The array is flattened, and all items, including + # the supplied separator, are HTML escaped unless they are HTML + # safe, and the returned string is marked as HTML safe. + # + # safe_join(["<p>foo</p>".html_safe, "<p>bar</p>"], "<br />") + # # => "<p>foo</p><br /><p>bar</p>" + # + # safe_join(["<p>foo</p>".html_safe, "<p>bar</p>".html_safe], "<br />".html_safe) + # # => "<p>foo</p><br /><p>bar</p>" + # + def safe_join(array, sep=$,) + sep = ERB::Util.unwrapped_html_escape(sep) + + array.flatten.map! { |i| ERB::Util.unwrapped_html_escape(i) }.join(sep).html_safe + end + end + end +end |