Improve the argument parsing and provide more informative messages in case of invalid arguments

aicenter / ShoDi

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Closed F-I-D-O closed 4 months ago

F-I-D-O commented 4 years ago

Requirements:

For argument parsing, use some library, e.g. TCLAP
except for the first argument that determines the subcommand, other arguments should follow the POSIX style, and the order has to be arbitrary
in general, I expect main.cpp to be shorter and more readable

neumannjan commented 4 years ago

I found out that TCLAP does not support subcommands (i. e. keywords such as create and benchmark, where each has different parameters).

Therefore, I would like to use a library that does provide support for subcommands, such as the CLI11 library.

F-I-D-O commented 4 years ago

I don't force the TCLAP usage, but I'm against CLI11, it increases the build time significantly in my experience. What about Boost.Program_options?