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Versions: 6
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Contents
# This file contains implementations of rails custom objects for
# serialisation/deserialisation.
unless Object.const_defined?(:JSON) and ::JSON.const_defined?(:JSON_LOADED) and
::JSON::JSON_LOADED
require 'json'
end
class Object
def self.json_create(object)
obj = new
for key, value in object
next if key == 'json_class'
instance_variable_set "@#{key}", value
end
obj
end
def to_json(*a)
result = {
'json_class' => self.class.name
}
instance_variables.inject(result) do |r, name|
r[name[1..-1]] = instance_variable_get name
r
end
result.to_json(*a)
end
end
class Symbol
def to_json(*a)
to_s.to_json(*a)
end
end
module Enumerable
def to_json(*a)
to_a.to_json(*a)
end
end
# class Regexp
# def to_json(*)
# inspect
# end
# end
#
# The above rails definition has some problems:
#
# 1. { 'foo' => /bar/ }.to_json # => "{foo: /bar/}"
# This isn't valid JSON, because the regular expression syntax is not
# defined in RFC 4627. (And unquoted strings are disallowed there, too.)
# Though it is valid Javascript.
#
# 2. { 'foo' => /bar/mix }.to_json # => "{foo: /bar/mix}"
# This isn't even valid Javascript.
Version data entries
6 entries across 6 versions & 1 rubygems