/*
* Copyright (C) 2000 Helix Code Inc.
*
* Authors: Michael Zucchi <notzed@helixcode.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public License
* as published by the Free Software Foundation; either version 2 of
* the License, 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 Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _CAMEL_MIME_PARSER_H
#define _CAMEL_MIME_PARSER_H
#include <camel/camel-object.h>
#include <camel/camel-mime-utils.h>
#include <camel/camel-mime-filter.h>
#include <camel/camel-stream.h>
#define CAMEL_MIME_PARSER(obj) CAMEL_CHECK_CAST (obj, camel_mime_parser_get_type (), CamelMimeParser)
#define CAMEL_MIME_PARSER_CLASS(klass) CAMEL_CHECK_CLASS_CAST (klass, camel_mime_parser_get_type (), CamelMimeParserClass)
#define IS_CAMEL_MIME_PARSER(obj) CAMEL_CHECK_TYPE (obj, camel_mime_parser_get_type ())
typedef struct _CamelMimeParserClass CamelMimeParserClass;
/* NOTE: if you add more states, you may need to bump the
start of the END tags to 16 or 32, etc - so they are
the same as the matching start tag, with a bit difference */
enum _header_state {
HSCAN_INITIAL,
HSCAN_PRE_FROM, /* data before a 'From' line */
HSCAN_FROM, /* got 'From' line */
HSCAN_HEADER, /* toplevel header */
HSCAN_BODY, /* scanning body of message */
HSCAN_MULTIPART, /* got multipart header */
HSCAN_MESSAGE, /* rfc822 message */
HSCAN_PART, /* part of a multipart */
HSCAN_END = 8, /* bit mask for 'end' flags */
HSCAN_EOF = 8, /* end of file */
HSCAN_PRE_FROM_END, /* pre from end */
HSCAN_FROM_END, /* end of whole from bracket */
HSCAN_HEADER_END, /* dummy value */
HSCAN_BODY_END, /* end of message */
HSCAN_MULTIPART_END, /* end of multipart */
HSCAN_MESSAGE_END, /* end of message */
};
struct _CamelMimeParser {
CamelObject parent;
struct _CamelMimeParserPrivate *priv;
};
struct _CamelMimeParserClass {
CamelObjectClass parent_class;
void (*message)(CamelMimeParser *, void *headers);
void (*part)(CamelMimeParser *);
void (*content)(CamelMimeParser *);
};
guint camel_mime_parser_get_type (void);
CamelMimeParser *camel_mime_parser_new (void);
/* using an fd will be a little faster, but not much (over a simple stream) */
int camel_mime_parser_init_with_fd(CamelMimeParser *, int fd);
int camel_mime_parser_init_with_stream(CamelMimeParser *m, CamelStream *stream);
/* get the stream or fd back of the parser */
CamelStream *camel_mime_parser_stream(CamelMimeParser *m);
int camel_mime_parser_fd(CamelMimeParser *m);
/* scan 'From' separators? */
void camel_mime_parser_scan_from(CamelMimeParser *, int);
/* Do we want to know about the pre-from data? */
void camel_mime_parser_scan_pre_from(CamelMimeParser *, int);
/* what headers to save, MUST include ^Content-Type: */
int camel_mime_parser_set_header_regex(CamelMimeParser *m, char *matchstr);
/* normal interface */
enum _header_state camel_mime_parser_step(CamelMimeParser *, char **, int *);
void camel_mime_parser_unstep(CamelMimeParser *);
void camel_mime_parser_drop_step(CamelMimeParser *m);
enum _header_state camel_mime_parser_state(CamelMimeParser *);
/* read through the parser */
int camel_mime_parser_read(CamelMimeParser *m, const char **databuffer, int len);
/* get content type for the current part/header */
struct _header_content_type *camel_mime_parser_content_type(CamelMimeParser *);
/* get/change raw header by name */
const char *camel_mime_parser_header(CamelMimeParser *, const char *, int *offset);
/* get all raw headers. READ ONLY! */
struct _header_raw *camel_mime_parser_headers_raw(CamelMimeParser *);
/* get multipart pre/postface */
const char *camel_mime_parser_preface(CamelMimeParser *m);
const char *camel_mime_parser_postface(CamelMimeParser *m);
/* return the from line content */
const char *camel_mime_parser_from_line(CamelMimeParser *m);
/* add a processing filter for body contents */
int camel_mime_parser_filter_add(CamelMimeParser *, CamelMimeFilter *);
void camel_mime_parser_filter_remove(CamelMimeParser *, int);
/* these should be used with caution, because the state will not
track the seeked position */
/* FIXME: something to bootstrap the state? */
off_t camel_mime_parser_tell(CamelMimeParser *);
off_t camel_mime_parser_seek(CamelMimeParser *, off_t, int);
off_t camel_mime_parser_tell_start_headers(CamelMimeParser *);
off_t camel_mime_parser_tell_start_from(CamelMimeParser *);
#endif /* ! _CAMEL_MIME_PARSER_H */
