flt2047.c
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010-2012, 2014-2016 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 "mu.h"
char flt2047_docstring[] = N_("decode/encode email message headers");
static char flt2047_args_doc[] = N_("[text]");
static int decode_mode = 0;
static int newline_option = 0;
static const char *charset = "iso-8859-1";
static const char *encoding = "quoted-printable";
static void
set_encode_mode (struct mu_parseopt *po, struct mu_option *opt,
char const *arg)
{
decode_mode = 0;
}
static struct mu_option flt2047_options[] = {
{ "encode", 'e', NULL, MU_OPTION_DEFAULT,
N_("encode the input (default)"),
mu_c_string, NULL, set_encode_mode },
{ "decode", 'd', NULL, MU_OPTION_DEFAULT,
N_("decode the input"),
mu_c_bool, &decode_mode },
{ "newline", 'n', NULL, MU_OPTION_DEFAULT,
N_("print additional newline"),
mu_c_bool, &newline_option },
{ "charset", 'c', N_("NAME"), MU_OPTION_DEFAULT,
N_("set charset (default: iso-8859-1)"),
mu_c_string, &charset },
{ "encoding", 'E', N_("NAME"), MU_OPTION_DEFAULT,
N_("set encoding (default: quoted-printable)"),
mu_c_string, &encoding },
MU_OPTION_END
};
int
mutool_flt2047 (int argc, char **argv)
{
int rc;
char *p;
mu_action_getopt (&argc, &argv, flt2047_options, flt2047_docstring,
flt2047_args_doc);
if (argc)
{
char *p;
while (argc--)
{
const char *text = *argv++;
if (decode_mode)
rc = mu_rfc2047_decode (charset, text, &p);
else
rc = mu_rfc2047_encode (charset, encoding, text, &p);
if (rc)
{
mu_error ("%s", mu_strerror (rc));
return 1;
}
mu_printf ("%s\n", p);
}
}
else
{
size_t size = 0, n;
char *buf = NULL;
while ((rc = mu_stream_getline (mu_strin, &buf, &size, &n)) == 0
&& n > 0)
{
mu_rtrim_class (buf, MU_CTYPE_SPACE);
if (decode_mode)
rc = mu_rfc2047_decode (charset, buf, &p);
else
rc = mu_rfc2047_encode (charset, encoding, buf, &p);
if (rc)
{
mu_error ("%s", mu_strerror (rc));
return 1;
}
mu_printf ("%s\n", p);
}
}
mu_stream_flush (mu_strout);
return 0;
}
/*
MU Setup: 2047
mu-handler: mutool_flt2047
mu-docstring: flt2047_docstring
End MU Setup:
*/