[ http://issues.apache.org/jira/browse/CLI-117?page=all ]
Henri Yandell updated CLI-117:
------------------------------
Fix Version: 2.1
> Improve the group option desing (ids, more than one instance, etc)
> ------------------------------------------------------------------
>
> Key: CLI-117
> URL: http://issues.apache.org/jira/browse/CLI-117
> Project: Commons CLI
> Type: Improvement
> Versions: Nightly Builds
> Reporter: David Leal
> Fix For: 2.1
>
> I am ussing the group option and on my humble opionion it should be improved,
> for example:
> 1) API doesn't support for the moment a group of options like this:
> - people
> -id|size|age
> but for more than one instance of the group, for example:
> - people -id id1 -size 1 -age 10 -people -id id2 size 2 age 20
> so, the group option are the same for each people, but with id argument you
> can identify each element of the group.
> 2) There is no way to unique identify a option in a given group, for example:
> Now the following syntax is not possible:
> -id <name>
> - people
> -id|size|age
> so, the general option name is id, and the group option is also id. When
> using the CommandLine.hasOption("-id"), there is no way to distinguish if it
> is a group option or just a general option. On my opinion, the group option
> should be checked if there are present using the root group option as prefix,
> for example something like this: CommandLine.hasOption("-people|-id"), so we
> are clearly looking for the group option -id from people and with:
> CommandLine.hasOption("-id") we look for general -id option.
> 3) There is no clear the use of GroupBuilder.withMaximum() and
> GroupBulder.withMinimum(), I expected to allow more than one group option on
> the command line, like I have commented on 1), but it doesn't work and the
> API doesn't allow to distinguish each group instances.
> Thanks in advance,
> David
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