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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2011-2025 Free Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Mailutils 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdlib.h>
#include <mailutils/mailutils.h>
mu_msgset_format_t format = mu_msgset_fmt_imap;
static void
parse_msgrange (char const *arg, struct mu_msgrange *range)
{
size_t msgnum;
char *p;
errno = 0;
msgnum = strtoul (arg, &p, 10);
range->msg_beg = msgnum;
if (*p == ':')
{
if (*++p == '*')
msgnum = 0;
else
{
msgnum = strtoul (p, &p, 10);
if (*p)
{
mu_error ("error in message range near %s", p);
exit (1);
}
}
}
else if (*p == '*')
msgnum = 0;
else if (*p)
{
mu_error ("error in message range near %s", p);
exit (1);
}
range->msg_end = msgnum;
}
mu_msgset_t
parse_msgset (const char *arg)
{
int rc;
mu_msgset_t msgset;
char *end;
MU_ASSERT (mu_msgset_create (&msgset, NULL, MU_MSGSET_NUM));
if (arg)
{
rc = mu_msgset_parse_imap (msgset, MU_MSGSET_NUM, arg, &end);
if (rc)
{
mu_error ("mu_msgset_parse_imap: %s near %s",
mu_strerror (rc), end);
exit (1);
}
}
return msgset;
}
static void
print_all (mu_msgset_t msgset)
{
MU_ASSERT (mu_stream_msgset_format (mu_strout, format, msgset));
mu_printf ("\n");
}
static void
print_first (mu_msgset_t msgset)
{
size_t n;
MU_ASSERT (mu_msgset_first (msgset, &n));
printf ("%zu\n", n);
}
static void
print_last (mu_msgset_t msgset)
{
size_t n;
MU_ASSERT (mu_msgset_last (msgset, &n));
printf ("%zu\n", n);
}
static void
cli_msgset (struct mu_parseopt *po, struct mu_option *opt, char const *arg)
{
mu_msgset_t *msgset = opt->opt_ptr;
if (*msgset)
{
mu_parseopt_error (po, "message set already defined");
exit (po->po_exit_error);
}
*msgset = parse_msgset (arg);
}
static void
cli_mh (struct mu_parseopt *po, struct mu_option *opt, char const *arg)
{
format = mu_msgset_fmt_mh;
}
static mu_msgset_t
get_msgset (struct mu_option *opt)
{
mu_msgset_t *msgset = opt->opt_ptr;
if (!*msgset)
{
*msgset = parse_msgset (NULL);
}
return *msgset;
}
static void
cli_add (struct mu_parseopt *po, struct mu_option *opt, char const *arg)
{
struct mu_msgrange range;
parse_msgrange (arg, &range);
MU_ASSERT (mu_msgset_add_range (get_msgset (opt), range.msg_beg,
range.msg_end, MU_MSGSET_NUM));
}
static void
cli_sub (struct mu_parseopt *po, struct mu_option *opt, char const *arg)
{
struct mu_msgrange range;
parse_msgrange (arg, &range);
MU_ASSERT (mu_msgset_sub_range (get_msgset (opt), range.msg_beg,
range.msg_end, MU_MSGSET_NUM));
}
static void
cli_addset (struct mu_parseopt *po, struct mu_option *opt, char const *arg)
{
mu_msgset_t tset = parse_msgset (arg);
MU_ASSERT (mu_msgset_add (get_msgset (opt), tset));
mu_msgset_free (tset);
}
static void
cli_subset (struct mu_parseopt *po, struct mu_option *opt, char const *arg)
{
mu_msgset_t tset = parse_msgset (arg);
MU_ASSERT (mu_msgset_sub (get_msgset (opt), tset));
mu_msgset_free (tset);
}
static void
cli_first (struct mu_parseopt *po, struct mu_option *opt, char const *arg)
{
void (**print) (mu_msgset_t) = opt->opt_ptr;
*print = print_first;
}
static void
cli_last (struct mu_parseopt *po, struct mu_option *opt, char const *arg)
{
void (**print) (mu_msgset_t) = opt->opt_ptr;
*print = print_last;
}
int
main (int argc, char **argv)
{
mu_msgset_t msgset = NULL;
void (*print) (mu_msgset_t) = print_all;
struct mu_option options[] = {
{ "mh", 0, NULL, MU_OPTION_DEFAULT,
"use MH message set format for output", mu_c_incr, NULL, cli_mh },
{ "msgset", 0, "SET", MU_OPTION_DEFAULT,
"define message set", mu_c_string, &msgset, cli_msgset },
{ "add", 0, "X[:Y]", MU_OPTION_DEFAULT,
"add range to message set", mu_c_string, &msgset, cli_add },
{ "sub", 0, "X[:Y]", MU_OPTION_DEFAULT,
"subtract range from message set", mu_c_string, &msgset, cli_sub },
{ "addset", 0, "SET", MU_OPTION_DEFAULT,
"add message set to message set", mu_c_string, &msgset, cli_addset },
{ "subset", 0, "SET", MU_OPTION_DEFAULT,
"subtract message set from message set", mu_c_string, &msgset,
cli_subset },
{ "first", 0, NULL, MU_OPTION_DEFAULT,
"print only first element from the resulting set",
mu_c_string, &print, cli_first },
{ "last", 0, NULL, MU_OPTION_DEFAULT,
"print only last element from the resulting set",
mu_c_string, &print, cli_last },
MU_OPTION_END
};
mu_set_program_name (argv[0]);
mu_cli_simple (argc, argv,
MU_CLI_OPTION_OPTIONS, options,
MU_CLI_OPTION_SINGLE_DASH,
MU_CLI_OPTION_PROG_DOC, "message set parser test utility",
MU_CLI_OPTION_END);
if (!msgset)
{
mu_error ("nothing to do; try %s -help for assistance", mu_program_name);
exit (1);
}
print (msgset);
mu_msgset_free (msgset);
return 0;
}
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