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#ifndef rfc2047_h
#define rfc2047_h
#include <stdlib.h>
/*
** Copyright 1998 - 2002 Double Precision, Inc. See COPYING for
** distribution information.
*/
#ifdef __cplusplus
extern "C" {
#endif
static const char rfc2047_h_rcsid[]="$Id: rfc2047.h,v 1.9 2007/03/01 04:32:04 mrsam Exp $";
extern int rfc2047_decode(const char *text,
int (*func)(const char *, int,
const char *,
const char *,
void *),
void *arg);
extern char *rfc2047_decode_simple(const char *text);
extern char *rfc2047_decode_enhanced(const char *text, const char *mychset);
/*
** If libunicode.a is available, like rfc2047_decode_enhanced, but attempt to
** convert to my preferred charset.
*/
struct unicode_info;
extern char *rfc2047_decode_unicode(const char *text,
const struct unicode_info *mychset,
int options);
#define RFC2047_DECODE_DISCARD 1
/* options: Discard unknown charsets from decoded string. */
#define RFC2047_DECODE_ABORT 2
/* options: Abort if we encounter an unknown charset, errno=EINVAL */
#define RFC2047_DECODE_NOTAG 4
/* options: Do not tag unknown charset strings */
#define RFC2047_DECODE_REPLACE 8
/* options: Replace unknown characters */
/*
** rfc2047_print is like rfc822_print, except that it converts RFC 2047
** MIME encoding to 8 bit text.
*/
struct rfc822a;
void rfc2047_print(const struct rfc822a *a,
const char *charset,
void (*print_func)(char, void *),
void (*print_separator)(const char *, void *), void *);
void rfc2047_print_unicode(const struct rfc822a *a,
const char *charset,
void (*print_func)(char, void *),
void (*print_separator)(const char *, void *),
void *ptr);
/*
** And now, let's encode something with RFC 2047. Encode the following
** string in the indicated character set, into a malloced buffer. Returns 0
** if malloc failed.
*/
char *rfc2047_encode_str(const char *str, const char *charset,
int (*qp_allow)(char c) /* See below */);
/*
** If you can live with the encoded text being generated on the fly, use
** rfc2047_encode_callback, which calls a callback function, instead of
** dynamically allocating memory.
*/
int rfc2047_encode_callback(const char *str, /* String to encode */
const char *charset, /* Native charset */
int (*qp_allow)(char c),
/* Return true if c can appear in QP-encoded
** word */
int (*cb_func)(const char *, size_t, void *),
/* Callback function. */
void *arg
/* Passthrough arg to callback_function */
);
/* Potential arguments for qp_allow */
int rfc2047_qp_allow_any(char); /* Any character */
int rfc2047_qp_allow_comment(char); /* Any character except () */
int rfc2047_qp_allow_word(char); /* See RFC2047, bottom of page 7 */
/*
** rfc2047_encode_header allocates a buffer, and MIME-encodes an RFC822 header
**
*/
char *rfc2047_encode_header(const struct rfc822a *a,
const char *charset);
#ifdef __cplusplus
}
#endif
#endif
