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Fix html_escape with Ruby 1.8

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rafaelfranca committed Aug 2, 2012
1 parent 2bdb4ec commit 2f4b82f1d84799ca91ccfe314644bcde886851a0
Showing with 26 additions and 15 deletions.
  1. +26 −15 activesupport/lib/active_support/core_ext/string/output_safety.rb
@@ -6,21 +6,32 @@ module Util
HTML_ESCAPE = { '&' => '&amp;', '>' => '&gt;', '<' => '&lt;', '"' => '&quot;', "'" => '&#x27;' }
JSON_ESCAPE = { '&' => '\u0026', '>' => '\u003E', '<' => '\u003C' }
# A utility method for escaping HTML tag characters.
# This method is also aliased as <tt>h</tt>.
#
# In your ERB templates, use this method to escape any unsafe content. For example:
# <%=h @person.name %>
#
# ==== Example:
# puts html_escape("is a > 0 & a < 10?")
# # => is a &gt; 0 &amp; a &lt; 10?
def html_escape(s)
s = s.to_s
if s.html_safe?
s
else
s.gsub(/[&"'><]/, HTML_ESCAPE).html_safe
if RUBY_VERSION >= '1.9'
# A utility method for escaping HTML tag characters.
# This method is also aliased as <tt>h</tt>.
#
# In your ERB templates, use this method to escape any unsafe content. For example:
# <%=h @person.name %>
#
# ==== Example:
# puts html_escape("is a > 0 & a < 10?")
# # => is a &gt; 0 &amp; a &lt; 10?
def html_escape(s)
s = s.to_s
if s.html_safe?
s
else
s.gsub(/[&"'><]/, HTML_ESCAPE).html_safe
end
end
else
def html_escape(s) #:nodoc:
s = s.to_s
if s.html_safe?
s
else
s.gsub(/[&"'><]/n) { |special| HTML_ESCAPE[special] }.html_safe
end
end
end

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