Re: [PATCH v4 1/2] ref-filter: add multiple-option parsing functions

Kousik Sanagavarapu [off-list ref] writes:

What do you mean by "share code"?

They are similar in their functionality, that is parsing the option and
grabbing the value (if the option has a value, otherwise we do what we
did here). The difference is the way we do such a parsing.

In pretty, we directly skip_prefix() the placeholder. So we check for ')'
to see if we have reached the end of "to_parse".

In ref-filter (the current patches), we deal directly with the options
("arg" here), that is we can't do a check for ')' to see if we have
exhausted our option list. So we can't really use the same functions, but
there is the possiblity that we can modify them to be used here too.

That is the kind of "sharing" to reduce repetition I had in mind.

I haven't checked the callers, but another way would be to update
the caller of for-each-ref's side to match the calling convention of
how pretty calls the parser, wouldn't it? After all, they parse the
same "%(token:key=val,key=val,...)" so...?