filter.h
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2005, 2007 Free Software Foundation, Inc.
This library 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 3 of the License, or (at your option) any later version.
This library 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 along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA */
#ifndef _MAILUTILS_FILTER_H
#define _MAILUTILS_FILTER_H
#include <mailutils/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Type. */
#define MU_FILTER_DECODE 0
#define MU_FILTER_ENCODE 1
/* Direction. */
#define MU_FILTER_READ MU_STREAM_READ
#define MU_FILTER_WRITE MU_STREAM_WRITE
#define MU_FILTER_RDWR MU_STREAM_RDWR
struct _mu_filter_record
{
const char *name;
int (*_mu_filter) (mu_filter_t);
void *data;
/* Stub function return the fields. */
int (*_is_filter) (mu_filter_record_t, const char *);
int (*_get_filter) (mu_filter_record_t, int (*(*_mu_filter)) (mu_filter_t));
};
extern int mu_filter_create (mu_stream_t *, mu_stream_t, const char*, int, int);
extern int mu_filter_get_list (mu_list_t *);
/* List of defaults. */
extern mu_filter_record_t mu_rfc822_filter;
extern mu_filter_record_t mu_qp_filter; /* quoted-printable. */
extern mu_filter_record_t mu_base64_filter;
extern mu_filter_record_t mu_binary_filter;
extern mu_filter_record_t mu_bit8_filter;
extern mu_filter_record_t mu_bit7_filter;
extern mu_filter_record_t mu_rfc_2047_Q_filter;
extern mu_filter_record_t mu_rfc_2047_B_filter;
enum mu_iconv_fallback_mode {
mu_fallback_none,
mu_fallback_copy_pass,
mu_fallback_copy_octal
};
extern int mu_filter_iconv_create (mu_stream_t *s, mu_stream_t transport,
const char *fromcode, const char *tocode,
int flags,
enum mu_iconv_fallback_mode fallback_mode);
#ifdef __cplusplus
}
#endif
#endif /* _MAILUTILS_FILTER_H */