OP - Option Parser for Eiffel
OP is a library for parsing command line options in
Eiffel. It makes it easy to add full-featured command line parsing
to any existing Eiffel application.
Mini Meta FAQ
Aren't there already numerous libraries out there?
Sure, just check the EiffelZone
directory and you will find five other libraries that do the same.
So, why a new library?
Most of the other libraries are not well maintained. Also, some use
special "option description languages" or require just to complicated
calls. So, I think mine is easier to use (which is equivalent to
better in my case).
What exactly is it that you library can do?
Just look at the readme.txt file linked in the download
section for a list.
2006-11-18 - Integration into GOBO
The parsing library has now been integrated into GOBO. This makes it
easier to use it, as you have to maintain one less dependancy. The
version in GOBO also includes many improvements of the current state.
I still have to update the documentation. The current one does not
contain all new features, also I renamed some existing ones.
2006-03-27 - Release 0.9.2
Updated release with cleaned up code, major design changes and
the use of agents removed
2006-03-23 - Release 0.9.1
First public release of the library
The option parsing library is now offered as part of
GOBO. Check out the
latest CVS version. The parsing library has been renamed
to 'argument parsing library' and is contained in the
Release 0.9.2: (last independent release)
Older releases may be found here.
To Do / Open Issues
Many tools have different modes they operate in (see tar
or gpg). It should be easy to add different sets of
options to the parser and let it switch between these sets
depending on the first option it encounters.
Cardinality of arguments: maximum number of parameters to accept,
mandatory options, maximum repetition of options.
Based on popular request: XML-based generation of a parser.
Error reporting should report the actual form of the option used,
not just the long form.
Split up the creation procedure for OP_PARSER to make it possible
to create a completely empty parser that does no set up the help
The preconditions of the OP_OPTION class are not checkable.