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require 'singleton'
require 'multi_json/options'
module MultiJson
class Adapter
extend Options
include Singleton
class << self
def defaults(action, value)
metaclass = class << self; self; end
metaclass.instance_eval do
define_method("default_#{action}_options") { value }
end
end
def load(string, options = {})
string = string.read if string.respond_to?(:read)
fail self::ParseError if blank?(string)
instance.load(string, cached_load_options(options))
end
def dump(object, options = {})
instance.dump(object, cached_dump_options(options))
end
private
def blank?(input)
input.nil? || /\A\s*\z/ === input
rescue ArgumentError # invalid byte sequence in UTF-8
false
end
def cached_dump_options(options)
OptionsCache.fetch(:dump, options) do
dump_options(options).merge(MultiJson.dump_options(options)).merge!(options)
end
end
def cached_load_options(options)
OptionsCache.fetch(:load, options) do
load_options(options).merge(MultiJson.load_options(options)).merge!(options)
end
end
end
end
end
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