Sha256: 661922680f0d6de4de8b0230262e49ee67ee383c29d911a6180df36756f366de
Contents?: true
Size: 1.47 KB
Versions: 7
Compression:
Stored size: 1.47 KB
Contents
require 'json'
module Volt
class EJSON
class NonEjsonType < Exception ; end
OTHER_VALID_CLASSES = [String, Symbol, TrueClass, FalseClass, Numeric, NilClass]
def self.stringify(obj)
encode(obj).to_json
end
def self.parse(str)
decode(JSON.parse(str))
end
private
def self.decode(obj)
if Array === obj
obj.map {|v| decode(v) }
elsif Hash === obj
if obj.size == 1 && (escape = obj['$escape'])
return escape.map do |key, value|
[key, decode(value)]
end.to_h
elsif obj.size == 1 && (time = obj['$date'])
if time.is_a?(Fixnum)
return Time.at(time / 1000.0)
end
end
obj.map do |key, value|
[key, decode(value)]
end.to_h
else
obj
end
end
def self.encode(obj)
if Array === obj
obj.map {|v| encode(v) }
elsif Hash === obj
obj.map do |key, value|
if key == '$date'
key = '$escape'
value = {'$date' => encode(value)}
else
value = encode(value)
end
[key, value]
end.to_h
elsif Time === obj
{'$date' => obj.to_i * 1_000}
elsif OTHER_VALID_CLASSES.any? {|klass| obj.is_a?(klass) }
obj
else
# Not a valid class for serializing, raise an exception
raise NonEjsonType, "Unable to serialize #{obj.inspect} to EJSON"
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems