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/* $OpenBSD: rfc2822.h,v 1.4 2015/11/05 08:55:09 gilles Exp $ */
/*
* Copyright (c) 2014 Gilles Chehade <gilles@poolp.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _RFC2822_H_
#define _RFC2822_H_
#define RFC2822_MAX_LINE_SIZE 4096
struct rfc2822_line {
TAILQ_ENTRY(rfc2822_line) next;
char buffer[RFC2822_MAX_LINE_SIZE+1];
};
struct rfc2822_header {
char name[RFC2822_MAX_LINE_SIZE+1];
TAILQ_HEAD(, rfc2822_line) lines;
};
struct rfc2822_hdr_cb {
TAILQ_ENTRY(rfc2822_hdr_cb) next;
char name[RFC2822_MAX_LINE_SIZE+1];
void (*func)(const struct rfc2822_header *, void *);
void *arg;
};
struct rfc2822_hdr_miss_cb {
TAILQ_ENTRY(rfc2822_hdr_miss_cb) next;
char name[RFC2822_MAX_LINE_SIZE+1];
void (*func)(const char *, void *);
void *arg;
};
struct rfc2822_line_cb {
void (*func)(const char *, void *);
void *arg;
};
struct rfc2822_parser {
uint8_t in_hdrs; /* in headers */
TAILQ_HEAD(hdr_cb, rfc2822_hdr_cb) hdr_cb;
TAILQ_HEAD(hdr_miss_cb, rfc2822_hdr_miss_cb) hdr_miss_cb;
uint8_t in_hdr; /* in specific header */
struct rfc2822_header header;
struct rfc2822_hdr_cb hdr_dflt_cb;
struct rfc2822_line_cb body_line_cb;
};
void rfc2822_parser_init(struct rfc2822_parser *);
int rfc2822_parser_feed(struct rfc2822_parser *, const char *);
void rfc2822_parser_flush(struct rfc2822_parser *);
void rfc2822_parser_reset(struct rfc2822_parser *);
void rfc2822_parser_release(struct rfc2822_parser *);
int rfc2822_header_callback(struct rfc2822_parser *, const char *,
void (*)(const struct rfc2822_header *, void *), void *);
int rfc2822_missing_header_callback(struct rfc2822_parser *, const char *,
void (*)(const char *, void *), void *);
void rfc2822_header_default_callback(struct rfc2822_parser *,
void (*)(const struct rfc2822_header *, void *), void *);
void rfc2822_body_callback(struct rfc2822_parser *,
void (*)(const char *, void *), void *);
#endif
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