**proof of concept**
[-] convert JSON to Objective-C object
- support nested object mapping
- support mapping array with custom class, not support nested array mapping
[-] convert Objective-C object to JSON
###############
json spec:
###############
object
{}
{ members }
members
pair
pair, members
pair
string : value
array
[]
[ elements ]
elements
value
value, elements
value
string
number
object
array
true
false
null
###############
Foundation spec:
###############
object(NSDictioanry)
{}
{ members }
members
pair
pair, members
pair
string : value
array(NSArray)
[]
[ elements ]
elements
value
value, elements
value(id)
NSString
NSNumber
NSNumber
NSNumber
NSNull
object(NSDictionary)
array(NSArray)
###############
object spec:
###############
object(CustomObject)
{ members }
members
pair
pair, members
pair(property)
string(property_name) : value(property_value)
array(NSArray)
[]
[ elements ]
elements
value
value, elements
value(id)
NSString
NSNumber
NSNumber
NSNumber
NSNull
array(NSArray)
object(CustomClass)