Quoting Rick Jones <rick.jones2@xxxxxx>:
> Randima Niroshini wrote:
> > Hi all,
> >
> > I would like to know on passing commandline arguments in different
> contexts
> > using GOption.
> > For an example passing one argument( 1 & 2) and multiple arguments(3) with
> > excluded parameter as follows.
> > 1) ./parser --scan [FILE]
> > 2) ./parser --parse [FILE]
> > However, it should be also possible to execute bothoptions at once,without
> > specifying expected file name twice.
> > 3) ./parser --parse --scan [FILE]
> >
> > 1 & 2 cases are pretty straightforward to handle with GOption, but would
> like to
> > hear about a mechanism to handle the 3 rd case.
>
> Am I correct in assuming you want --parse --scan [file] to have the same
> effect as --parse [file] and --scan [file] ? Yes
>
> > but,according to the way I used GOption command line parsing, I cannot
> achieve
> > the above.
> >
> > Here's the code I used..
> >
> > gboolean gbverbose = FALSE;
> > gboolean gbversion = FALSE;
> > gchar *gcparse = FALSE;
> > gchar *gcscan=FALSE;
> >
> > GError *error = NULL;
> >
> > GOptionEntry options[] = {
> > { "verbose", 0, 0, G_OPTION_ARG_NONE, &gbverbose, "Add verbose output
> to
> > standard log", NULL },
> > { "version", 0, 0, G_OPTION_ARG_NONE, &gbversion, "Print version
> information
> > on standard output", NULL },
> > { "parse", 0, 0, G_OPTION_ARG_FILENAME, &gcparse, "Parse the program,
> print
> > errors on standard error", NULL },
> > { "scan", 0, 0, G_OPTION_ARG_FILENAME, &gscan, "Scan the file", NULL }
> > { NULL }
> > };
> >
>
> I think you want to use callback functions. the callback function for
> scan and/or parse would check if an argument was passed and if so, set
> the filename it woudl also set a flag that said that option was seen.
>
> it would also check if the flag for having seen the other option was set
> and based on that set or not the apropriate gcparse or gcscan variable
> when there was an argument passed.
>
> at least that would be my first take
-- I tried this flag set already and failed since when I say --parse --scan [FILE],
it assigns gcparse to "--scan" and no value assigned to gcscan.
Anyway, will look at call back functions.
>
> rick jones
> _______________________________________________
>
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>
Thanks,
Randima
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