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require 'hashie/extensions/stringify_keys'
require 'hashie/extensions/pretty_inspect'
module Hashie
# A Hashie Hash is simply a Hash that has convenience
# functions baked in such as stringify_keys that may
# not be available in all libraries.
class Hash < ::Hash
include Hashie::Extensions::PrettyInspect
include Hashie::Extensions::StringifyKeys
# Convert this hash into a Mash
def to_mash
::Hashie::Mash.new(self)
end
# Converts a mash back to a hash (with stringified or symbolized keys)
def to_hash(options = {})
out = {}
each_key do |k|
assignment_key =
if options[:stringify_keys]
k.to_s
elsif options[:symbolize_keys] && k.respond_to?(:to_sym)
k.to_sym
else
k
end
if self[k].is_a?(Array)
out[assignment_key] ||= []
self[k].each do |array_object|
out[assignment_key] << maybe_convert_to_hash(array_object, options)
end
else
out[assignment_key] = maybe_convert_to_hash(self[k], options)
end
end
out
end
# The C generator for the json gem doesn't like mashies
def to_json(*args)
to_hash.to_json(*args)
end
private
def maybe_convert_to_hash(object, options)
return object unless object.is_a?(Hash) || object.respond_to?(:to_hash)
flexibly_convert_to_hash(object, options)
end
def flexibly_convert_to_hash(object, options = {})
if object.method(:to_hash).arity.zero?
object.to_hash
else
object.to_hash(options)
end
end
end
end
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