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/* t-argparse.c - Check the argparse API
* Copyright (C) 2018, 2020 g10 Code GmbH
*
* This file is part of Libgpg-error.
*
* Libgpg-error is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* Libgpg-error is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#define PGM "t-argparse"
#include "t-common.h"
static struct {
int verbose;
int debug;
char *outfile;
char *crf;
int myopt;
int echo;
int a_long_one;
} opt;
static const char *
my_strusage (int level)
{
const char *p;
switch (level)
{
case 9: p = "LGPL-2.1-or-later"; break;
case 11: p = "t-argparse"; break;
default: p = NULL;
}
return p;
}
int
main (int argc, char **argv)
{
gpgrt_opt_t opts[] = {
ARGPARSE_verbatim("Now for the options:\n"),
ARGPARSE_x ('v', "verbose", NONE, 0, "Laut sein"),
ARGPARSE_s_n('e', "echo" , ("Zeile ausgeben, damit wir sehen, "
"was wir eingegeben haben")),
ARGPARSE_s_n('d', "debug", "Debug\nfalls mal etwas\nschief geht"),
ARGPARSE_s_s('o', "output", 0 ),
ARGPARSE_o_s('c', "cross-ref", "cross-reference erzeugen\n" ),
/* Note that on a non-utf8 terminal the ß might garble the output. */
ARGPARSE_header("extra-options", "List of extra options"),
ARGPARSE_s_n('s', "street","|Straße|set the name of the street to Straße"),
ARGPARSE_o_i('m', "my-option", 0),
ARGPARSE_o_i('M', "not-my-option", 0),
ARGPARSE_s_n(500, "a-long-option", 0 ),
ARGPARSE_conffile(501, "options", "|FILE|read options from FILE"),
ARGPARSE_noconffile(502, "no-options", "Ignore conf files"),
ARGPARSE_verbatim("This epilog consists\nof only 2 lines\n"),
ARGPARSE_end()
};
gpgrt_argparse_t pargs = { &argc, &argv, (ARGPARSE_FLAG_ALL
| ARGPARSE_FLAG_MIXED
| ARGPARSE_FLAG_ONEDASH
| ARGPARSE_FLAG_SYS
| ARGPARSE_FLAG_USER
/* | ARGPARSE_FLAG_VERBOSE */
/* | ARGPARSE_FLAG_WITHATTR */
) };
int i;
const char *srcdir;
int any_warn = 0;
gpgrt_set_strusage (my_strusage);
srcdir = getenv ("srcdir");
if (!srcdir)
srcdir = ".";
gpgrt_set_confdir (GPGRT_CONFDIR_USER, srcdir);
{
char *p = gpgrt_fnameconcat (srcdir, "etc", NULL);
gpgrt_set_confdir (GPGRT_CONFDIR_SYS, p);
xfree (p);
}
while (gpgrt_argparser (&pargs, opts, PGM".conf"))
{
/* printf ("got option %3d type %0x04x\n", pargs.r_opt, pargs.r_type); */
/* if (pargs.r_type & (ARGPARSE_ATTR_IGNORE|ARGPARSE_ATTR_FORCE)) */
/* printf ("attributes:%s%s\n", */
/* (pargs.r_type & ARGPARSE_ATTR_IGNORE)? " ignore":"", */
/* (pargs.r_type & ARGPARSE_ATTR_FORCE)? " force":""); */
/* if (pargs.r_type & ARGPARSE_OPT_IGNORE) */
/* { */
/* printf ("ignored\n"); */
/* continue; */
/* } */
switch (pargs.r_opt)
{
case ARGPARSE_CONFFILE:
printf ("current conffile='%s'\n",
pargs.r_type? pargs.r.ret_str: "[cmdline]");
break;
case ARGPARSE_IS_ARG :
printf ("arg='%s'\n", pargs.r.ret_str);
break;
case 'v': opt.verbose++; break;
case 'e': opt.echo++; break;
case 'd': opt.debug++; debug=1;break;
case 'o': opt.outfile = pargs.r.ret_str; break;
case 'c': opt.crf = pargs.r_type? pargs.r.ret_str:"a.crf"; break;
case 'm': opt.myopt = pargs.r_type? pargs.r.ret_int : 1; break;
case 'M': opt.myopt = 0; break;
case 500: opt.a_long_one++; break;
default : pargs.err = ARGPARSE_PRINT_WARNING; any_warn = 1; break;
}
}
for (i=0; i < argc; i++ )
printf ("%3d -> (%s)\n", i, argv[i] );
if (opt.verbose)
puts ("Options:");
if (opt.verbose)
printf (" verbose=%d\n", opt.verbose );
if (opt.debug)
printf (" debug=%d\n", opt.debug );
if (opt.outfile)
printf (" outfile='%s'\n", opt.outfile );
if (opt.crf)
printf (" crffile='%s'\n", opt.crf );
if (opt.myopt)
printf (" myopt=%d\n", opt.myopt );
if (opt.a_long_one)
printf (" a-long-one=%d\n", opt.a_long_one );
if (opt.echo)
printf (" echo=%d\n", opt.echo );
gpgrt_argparse (NULL, &pargs, NULL);
(void)show;
(void)fail;
(void)die;
return !!any_warn;
}