Add support @value annotation on fastddsgen (#917)

Signed-off-by: Ricardo González Moreno <ricardo@richiware.dev>

Author: richiware

code/FastDDSGenCodeTester.cpp

@@ -163,7 +163,7 @@ enum Enumeration : int32_t
 {
     RED,
     GREEN,
-    BLUE
+    BLUE = 3
 };
 //!
 

docs/fastdds/xml_configuration/dynamic_types.rst

@@ -150,8 +150,7 @@ Optionally, unsigned integer attribute :code:`value` might be added to set a spe
 
 .. note::
 
-    :code:`value` attribute is equivalent to :code:`@value` builtin annotation which is not still supported in neither
-    the plain (IDL) nor |DynamicTypes|.
+    :code:`value` attribute is equivalent to :code:`@value` builtin annotation.
 
 Please, refer to :ref:`xtypes_supportedtypes_enumeration` for more information on enumeration types.
 

docs/fastdds/xtypes/language_binding.rst

@@ -298,10 +298,6 @@ For the enumeration type to be consistent, the remaining enumeration literals mu
 Additionally, the enumeration literal value might be set using |MemberDescriptor-api| :code:`default_value` property.
 The behavior is the same as setting the :code:`@value` :ref:`builtin annotation<builtin_annotations>`.
 
-.. note::
-
-  Currently, Fast DDS-Gen does not support :code:`@value` builtin annotation.
-
 As the enumeration type is basically a signed integer type which might take only some specific values defined with the
 enumeration literals, the corresponding DynamicData getters and setters are the ones corresponding to the underlying
 signed integer type (and any other method promotable to that specific primitive type).

docs/fastddsgen/dataTypes/dataTypes.rst

@@ -362,6 +362,7 @@ The following IDL enumeration:
     {
         RED,
         GREEN,
+        @value(3)
         BLUE
     };
 
@@ -572,7 +573,7 @@ annotations might be applied without the need of defining them).
       - ❌
     * - :code:`@value`
       - Set constant value to `enumerations`_ literal.
-      - ❌
+      - ✅
     * - :code:`@verbatim`
       - Add comment or text to the element.
       - ❌