diff options
Diffstat (limited to 'activesupport/lib/active_support/json.rb')
-rw-r--r-- | activesupport/lib/active_support/json.rb | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/activesupport/lib/active_support/json.rb b/activesupport/lib/active_support/json.rb index b2ebe9adc8..5072992cdf 100644 --- a/activesupport/lib/active_support/json.rb +++ b/activesupport/lib/active_support/json.rb @@ -28,13 +28,14 @@ module ActiveSupport } def self.escape(string) - json = '"' + string.gsub(escape_regex) { |s| ESCAPED_CHARS[s] } - json.force_encoding('ascii-8bit') if respond_to?(:force_encoding) - json.gsub(/([\xC0-\xDF][\x80-\xBF]| + string = string.dup.force_encoding(::Encoding::BINARY) if string.respond_to?(:force_encoding) + json = string.gsub(escape_regex) { |s| ESCAPED_CHARS[s] }. + gsub(/([\xC0-\xDF][\x80-\xBF]| [\xE0-\xEF][\x80-\xBF]{2}| [\xF0-\xF7][\x80-\xBF]{3})+/nx) { |s| - s.unpack("U*").pack("n*").unpack("H*")[0].gsub(/.{4}/, '\\\\u\&') - } + '"' + s.unpack("U*").pack("n*").unpack("H*")[0].gsub(/.{4}/, '\\\\u\&') + } + %("#{json}") end end |