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-rw-r--r--actionpack/lib/action_view/helpers/tag_helper.rb11
1 files changed, 10 insertions, 1 deletions
diff --git a/actionpack/lib/action_view/helpers/tag_helper.rb b/actionpack/lib/action_view/helpers/tag_helper.rb
index 6001b21e63..f913c99abb 100644
--- a/actionpack/lib/action_view/helpers/tag_helper.rb
+++ b/actionpack/lib/action_view/helpers/tag_helper.rb
@@ -31,10 +31,19 @@ module ActionView
"<![CDATA[#{content}]]>"
end
+ # Escapes a given string, while leaving any currently escaped entities alone.
+ #
+ # escape_once("1 > 2 &amp; 3")
+ # # => "1 &lt; 2 &amp; 3"
+ #
+ def escape_once(html)
+ fix_double_escape(html_escape(html.to_s))
+ end
+
private
def tag_options(options)
cleaned_options = convert_booleans(options.stringify_keys.reject {|key, value| value.nil?})
- ' ' + cleaned_options.map {|key, value| %(#{key}="#{fix_double_escape(html_escape(value.to_s))}")}.sort * ' ' unless cleaned_options.empty?
+ ' ' + cleaned_options.map {|key, value| %(#{key}="#{escape_once(value)}")}.sort * ' ' unless cleaned_options.empty?
end
def convert_booleans(options)