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-rw-r--r--activesupport/lib/active_support/core_ext/string/output_safety.rb19
-rw-r--r--activesupport/lib/active_support/multibyte/chars.rb5
2 files changed, 23 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/core_ext/string/output_safety.rb b/activesupport/lib/active_support/core_ext/string/output_safety.rb
index 73aa7dd89a..104ee251de 100644
--- a/activesupport/lib/active_support/core_ext/string/output_safety.rb
+++ b/activesupport/lib/active_support/core_ext/string/output_safety.rb
@@ -5,6 +5,8 @@ class ERB
module Util
HTML_ESCAPE = { '&' => '&amp;', '>' => '&gt;', '<' => '&lt;', '"' => '&quot;' }
JSON_ESCAPE = { '&' => '\u0026', '>' => '\u003E', '<' => '\u003C' }
+ HTML_ESCAPE_ONCE_REGEXP = /[\"><]|&(?!([a-zA-Z]+|(#\d+));)/
+ JSON_ESCAPE_REGEXP = /[&"><]/
# A utility method for escaping HTML tag characters.
# This method is also aliased as <tt>h</tt>.
@@ -33,6 +35,21 @@ class ERB
singleton_class.send(:remove_method, :html_escape)
module_function :html_escape
+ # Returns an escaped version of +html+ without affecting existing escaped entities.
+ #
+ # ==== Examples
+ # html_escape_once("1 < 2 &amp; 3")
+ # # => "1 &lt; 2 &amp; 3"
+ #
+ # html_escape_once("&lt;&lt; Accept & Checkout")
+ # # => "&lt;&lt; Accept &amp; Checkout"
+ def html_escape_once(s)
+ result = s.to_s.gsub(HTML_ESCAPE_ONCE_REGEXP) { |special| HTML_ESCAPE[special] }
+ s.html_safe? ? result.html_safe : result
+ end
+
+ module_function :html_escape_once
+
# A utility method for escaping HTML entities in JSON strings
# using \uXXXX JavaScript escape sequences for string literals:
#
@@ -51,7 +68,7 @@ class ERB
# <%=j @person.to_json %>
#
def json_escape(s)
- result = s.to_s.gsub(/[&"><]/) { |special| JSON_ESCAPE[special] }
+ result = s.to_s.gsub(JSON_ESCAPE_REGEXP) { |special| JSON_ESCAPE[special] }
s.html_safe? ? result.html_safe : result
end
diff --git a/activesupport/lib/active_support/multibyte/chars.rb b/activesupport/lib/active_support/multibyte/chars.rb
index ac61870871..9a748dfa60 100644
--- a/activesupport/lib/active_support/multibyte/chars.rb
+++ b/activesupport/lib/active_support/multibyte/chars.rb
@@ -1,4 +1,5 @@
# encoding: utf-8
+require 'active_support/json'
require 'active_support/core_ext/string/access'
require 'active_support/core_ext/string/behavior'
require 'active_support/core_ext/module/delegation'
@@ -188,6 +189,10 @@ module ActiveSupport #:nodoc:
chars(Unicode.tidy_bytes(@wrapped_string, force))
end
+ def as_json(options = nil) #:nodoc:
+ to_s.as_json(options)
+ end
+
%w(capitalize downcase reverse tidy_bytes upcase).each do |method|
define_method("#{method}!") do |*args|
@wrapped_string = send(method, *args).to_s