Refactoring ENUMs

[larshp]

In the original suggestion,
#92 (comment)
the ABAP code has access to both the internal and external values.

This is not the case right now, https://github.com/SAP/abap-file-formats/blob/main/file-formats/typesUsedForAll/zif_aff_types_v1.intf.abap#L9

I have not looked at how to do serialization to and from ABAP file formats yet, but expect this to give problems

[schneidermic0]

Let's take the following example:

abap-file-formats/file-formats/intf/type/zif_aff_intf_v1.intf.abap

Lines 11 to 33 in b569b7b

	BEGIN OF co_category,
	"! <p class="shorttext">General</p>
	"! General interface
	general TYPE ty_category VALUE '00',
	"! <p class="shorttext">Classic BAdI</p>
	"! Interface definition of a classic BAdI
	classic_badi TYPE ty_category VALUE '01',
	"! <p class="shorttext">Business (Static Components)</p>
	"! Business interface for static components
	business_static_components TYPE ty_category VALUE '51',
	"! <p class="shorttext">Business (Instance-dep. components)</p>
	"! Business interface for instance-dependent components
	business_instance_components TYPE ty_category VALUE '52',
	"! <p class="shorttext">DB Procedure Proxy</p>
	"! Generated interface of a database procedure proxy
	db_procedure_proxy TYPE ty_category VALUE '65',
	"! <p class="shorttext">Web Dynpro Runtime</p>
	"! Web Dynpro runtime interface
	web_dynpro_runtime TYPE ty_category VALUE '80',
	"! <p class="shorttext">Enterprise Services</p>
	"! Generated interface of enterprise services
	enterprise_service TYPE ty_category VALUE '90',
	END OF co_category.

I understand it the following way:

1. Internal values (e.g., which are stored in the database) are the values of the constants.
   Example: The internal for BAdI definitions is value is 01
2. External values are derived from the constant name by creating camelCase values.
   Example: The internal value for BAdI definitions (field badi_dafinition) is badiDefinition

Do I miss anything? Wouldn't this be sufficient.

If it is sufficient, most probably, specification has to be adapted to describe this behavior.

[larshp]

ah, I did not remember, also see #61