Hi,
I have been thinking about CLI a bit the last few days and here are my
ideas:
- Building the command-line with the builders works good, although
creating all the different builders is a bit uncomfortable
- I think the parsing and validation-step should be separated. We would
need more Option/Argument types, e.g. FileArgument for this. In a first
step the command-line arguments shoudl be assigned to the option it most
likely belongs. In the second step, the validation should be done.
Currently this is mixed up, so a write-protected file will never be
consider for a file-argument. This results in error-messages which are
hard to interpret.
- The exact meaning of a Group should be described somewhere, I am still
wondering what exactly it represents and what not.
- There should be a possibility to model dependencies between
options/arguments (mutually exclusive for example)
Perhaps we should collect a list of different command-line examples we
wish to "support" ,e.g. like in the posting "[CLI] HelpFormatter
Question". Some kind of requirements-collection.
Regards,
Wolfgang Roessler
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