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module ActiveSupport
module JSON #:nodoc:
module Encoders #:nodoc:
define_encoder Object do |object|
object.instance_values.to_json
end
define_encoder TrueClass do
'true'
end
define_encoder FalseClass do
'false'
end
define_encoder NilClass do
'null'
end
ESCAPED_CHARS = {
"\010" => '\b',
"\f" => '\f',
"\n" => '\n',
"\r" => '\r',
"\t" => '\t',
'"' => '\"',
'\\' => '\\\\'
}
define_encoder String do |string|
'"' + string.gsub(/[\010\f\n\r\t"\\]/) { |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\&')
} + '"'
end
define_encoder Numeric do |numeric|
numeric.to_s
end
define_encoder Symbol do |symbol|
symbol.to_s.to_json
end
define_encoder Enumerable do |enumerable|
"[#{enumerable.map { |value| value.to_json } * ', '}]"
end
define_encoder Hash do |hash|
returning result = '{' do
result << hash.map do |key, value|
key = ActiveSupport::JSON::Variable.new(key.to_s) if
ActiveSupport::JSON.can_unquote_identifier?(key)
"#{key.to_json}: #{value.to_json}"
end * ', '
result << '}'
end
end
define_encoder Regexp do |regexp|
regexp.inspect
end
end
end
end
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