rename `NativeString` to `CString`

[nit.git] / lib / serialization / serialization.nit

diff --git a/lib/serialization/serialization.nit b/lib/serialization/serialization.nit
index 8ae8d2f..f94445e 100644 (file)
--- a/lib/serialization/serialization.nit
+++ b/lib/serialization/serialization.nit
@@ -88,21 +88,38 @@ end
 
 # Abstract deserialization service
 #
 
 # Abstract deserialization service
 #

-# After initialization of one of its sub-classes, call `deserialize`
+# The main service is `deserialize`.

 abstract class Deserializer
 abstract class Deserializer

-       # Main method of this class, returns a Nit object
-       fun deserialize: nullable Object is abstract
+       # Deserialize and return an object, storing errors in the attribute `errors`
+       #
+       # If a `static_type` is given, only subtypes of the `static_type` are accepted.
+       #
+       # This method behavior varies according to the implementation engines.
+       fun deserialize(static_type: nullable String): nullable Object is abstract

 
 

-       # Internal method to be implemented by sub-classes
-       fun deserialize_attribute(name: String): nullable Object is abstract
+       # Deserialize the attribute with `name` from the object open for deserialization
+       #
+       # The `static_type` can be used as last resort if the deserialized object
+       # desn't have any metadata declaring the dynamic type.
+       #
+       # Return the deserialized value or null on error, and set
+       # `deserialize_attribute_missing` to whether the attribute was missing.
+       #
+       # Internal method to be implemented by the engines.
+       fun deserialize_attribute(name: String, static_type: nullable String): nullable Object is abstract

 
 

-       # Internal method called by objects in creation,
-       # to be implemented by sub-classes
+       # Was the attribute queried by the last call to `deserialize_attribute` missing?
+       var deserialize_attribute_missing = false
+
+       # Register a newly allocated object (even if not completely built)
+       #
+       # Internal method called by objects in creation, to be implemented by the engines.

        fun notify_of_creation(new_object: Object) is abstract
 
        # Deserialize the next available object as an instance of `class_name`
        #
        fun notify_of_creation(new_object: Object) is abstract
 
        # Deserialize the next available object as an instance of `class_name`
        #

-       # Returns the deserialized object on success, aborts on error.
+       # Return the deserialized object on success and
+       # record in `errors` if `class_name` is unknown.

        #
        # This method should be redefined for each custom subclass of `Serializable`.
        # All refinement should look for a precise `class_name` and call super
        #
        # This method should be redefined for each custom subclass of `Serializable`.
        # All refinement should look for a precise `class_name` and call super

@@ -139,10 +156,12 @@ abstract class Deserializer
        var errors = new Array[Error]
 end
 
        var errors = new Array[Error]
 end
 

-# Deserialization got wrong attribute names
+# Error on invalid dynamic type for a deserialized attribute

 class AttributeTypeError
        super Error
 
 class AttributeTypeError
        super Error
 

+       autoinit receiver, attribute_name, attribute, expected_type
+

        # Parent object of the problematic attribute
        var receiver: Object
 
        # Parent object of the problematic attribute
        var receiver: Object
 

@@ -155,8 +174,7 @@ class AttributeTypeError
        # Name of the type expected for `attribute`
        var expected_type: String
 
        # Name of the type expected for `attribute`
        var expected_type: String
 

-       redef fun to_s
-       do
+       redef var message is lazy do

                var attribute = attribute
                var found_type = if attribute != null then attribute.class_name else "null"
 
                var attribute = attribute
                var found_type = if attribute != null then attribute.class_name else "null"
 

@@ -221,7 +239,7 @@ redef class Bool super DirectSerializable end
 redef class Char super DirectSerializable end
 redef class Int super DirectSerializable end
 redef class Float super DirectSerializable end
 redef class Char super DirectSerializable end
 redef class Int super DirectSerializable end
 redef class Float super DirectSerializable end

-redef class NativeString super DirectSerializable end
+redef class CString super DirectSerializable end

 redef class Text super DirectSerializable end
 redef class SimpleCollection[E] super Serializable end
 redef class Map[K, V] super Serializable end
 redef class Text super DirectSerializable end
 redef class SimpleCollection[E] super Serializable end
 redef class Map[K, V] super Serializable end