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/* This file is part of Mailfromd.
Copyright (C) 2009 Sergey Poznyakoff
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "c-ctype.h"
#include "mailfromd.h"
#include "prog.h"
int
check_pragma_args(const struct pragma *pdef, int argc)
{
if (pdef->minargs > 0 && argc < pdef->minargs) {
parse_error(_("too few arguments in pragma"));
return 1;
}
if (pdef->maxargs > 0 && argc > pdef->maxargs) {
parse_error(_("too many arguments in pragma"));
return 1;
}
return 0;
}
void
parse_pragma(const char *text)
{
int rc;
int argc;
char **argv;
const struct pragma *pdef;
while (*text != '#')
text++;
++text;
while (*text && c_isspace(*text)) text++;
text += 6; /* "pragma" */
rc = mu_argcv_get(text, "", NULL, &argc, &argv);
if (rc) {
parse_error(_("error parsing pragma: %s"), mu_strerror (rc));
return;
}
if (argc == 0) {
parse_error(_("Empty pragma"));
return;
}
pdef = lookup_pragma(argv[0]);
if (!pdef)
parse_error(_("Unknown pragma"));
else if (check_pragma_args(pdef, argc) == 0)
pdef->handler(argc, argv, text);
mu_argcv_free(argc, argv);
}
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