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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2000-2003 Ximian Inc.
*
* Authors: Michael Zucchi <notzed@ximian.com>
* Jeffrey Stedfast <fejj@ximian.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _CAMEL_MIME_UTILS_H
#define _CAMEL_MIME_UTILS_H
#ifdef __cplusplus
extern "C" {
#pragma }
#endif /* __cplusplus */
#include <time.h>
#include <glib.h>
/* maximum recommended size of a line from camel_header_fold() */
#define CAMEL_FOLD_SIZE (77)
/* maximum hard size of a line from camel_header_fold() */
#define CAMEL_FOLD_MAX_SIZE (998)
#define CAMEL_UUDECODE_STATE_INIT (0)
#define CAMEL_UUDECODE_STATE_BEGIN (1 << 16)
#define CAMEL_UUDECODE_STATE_END (1 << 17)
#define CAMEL_UUDECODE_STATE_MASK (CAMEL_UUDECODE_STATE_BEGIN | CAMEL_UUDECODE_STATE_END)
/* note, if you change this, make sure you change the 'encodings' array in camel-mime-part.c */
typedef enum _CamelMimePartEncodingType {
CAMEL_MIME_PART_ENCODING_DEFAULT,
CAMEL_MIME_PART_ENCODING_7BIT,
CAMEL_MIME_PART_ENCODING_8BIT,
CAMEL_MIME_PART_ENCODING_BASE64,
CAMEL_MIME_PART_ENCODING_QUOTEDPRINTABLE,
CAMEL_MIME_PART_ENCODING_BINARY,
CAMEL_MIME_PART_ENCODING_UUENCODE,
CAMEL_MIME_PART_NUM_ENCODINGS
} CamelMimePartEncodingType;
/* a list of references for this message */
struct _camel_header_references {
struct _camel_header_references *next;
char *id;
};
struct _camel_header_param {
struct _camel_header_param *next;
char *name;
char *value;
};
/* describes a content-type */
typedef struct {
char *type;
char *subtype;
struct _camel_header_param *params;
unsigned int refcount;
} CamelContentType;
/* a raw rfc822 header */
/* the value MUST be US-ASCII */
struct _camel_header_raw {
struct _camel_header_raw *next;
char *name;
char *value;
int offset; /* in file, if known */
};
typedef struct {
char *disposition;
struct _camel_header_param *params;
unsigned int refcount;
} CamelContentDisposition;
enum _camel_header_address_t {
HEADER_ADDRESS_NONE, /* uninitialised */
HEADER_ADDRESS_NAME,
HEADER_ADDRESS_GROUP
};
struct _camel_header_address {
struct _camel_header_address *next;
enum _camel_header_address_t type;
char *name;
union {
char *addr;
struct _camel_header_address *members;
} v;
unsigned int refcount;
};
/* MUST be called before everything else */
void camel_mime_utils_init(void);
/* Address lists */
struct _camel_header_address *camel_header_address_new (void);
struct _camel_header_address *camel_header_address_new_name (const char *name, const char *addr);
struct _camel_header_address *camel_header_address_new_group (const char *name);
void camel_header_address_ref (struct _camel_header_address *);
void camel_header_address_unref (struct _camel_header_address *);
void camel_header_address_set_name (struct _camel_header_address *, const char *name);
void camel_header_address_set_addr (struct _camel_header_address *, const char *addr);
void camel_header_address_set_members (struct _camel_header_address *, struct _camel_header_address *group);
void camel_header_address_add_member (struct _camel_header_address *, struct _camel_header_address *member);
void camel_header_address_list_append_list (struct _camel_header_address **l, struct _camel_header_address **h);
void camel_header_address_list_append (struct _camel_header_address **, struct _camel_header_address *);
void camel_header_address_list_clear (struct _camel_header_address **);
struct _camel_header_address *camel_header_address_decode (const char *in, const char *charset);
struct _camel_header_address *camel_header_mailbox_decode (const char *in, const char *charset);
/* for mailing */
char *camel_header_address_list_encode (struct _camel_header_address *a);
/* for display */
char *camel_header_address_list_format (struct _camel_header_address *a);
/* structured header prameters */
struct _camel_header_param *camel_header_param_list_decode (const char *in);
char *camel_header_param (struct _camel_header_param *p, const char *name);
struct _camel_header_param *camel_header_set_param (struct _camel_header_param **l, const char *name, const char *value);
void camel_header_param_list_format_append (GString *out, struct _camel_header_param *p);
char *camel_header_param_list_format (struct _camel_header_param *p);
void camel_header_param_list_free (struct _camel_header_param *p);
/* Content-Type header */
CamelContentType *camel_content_type_new (const char *type, const char *subtype);
CamelContentType *camel_content_type_decode (const char *in);
void camel_content_type_unref (CamelContentType *ct);
void camel_content_type_ref (CamelContentType *ct);
const char *camel_content_type_param (CamelContentType *t, const char *name);
void camel_content_type_set_param (CamelContentType *t, const char *name, const char *value);
int camel_content_type_is (CamelContentType *ct, const char *type, const char *subtype);
char *camel_content_type_format (CamelContentType *ct);
char *camel_content_type_simple (CamelContentType *ct);
/* DEBUGGING function */
void camel_content_type_dump (CamelContentType *ct);
/* Content-Disposition header */
CamelContentDisposition *camel_content_disposition_decode (const char *in);
void camel_content_disposition_ref (CamelContentDisposition *);
void camel_content_disposition_unref (CamelContentDisposition *);
char *camel_content_disposition_format (CamelContentDisposition *d);
/* decode the contents of a content-encoding header */
char *camel_header_content_encoding_decode (const char *in);
/* raw headers */
void camel_header_raw_append (struct _camel_header_raw **list, const char *name, const char *value, int offset);
void camel_header_raw_append_parse (struct _camel_header_raw **list, const char *header, int offset);
const char *camel_header_raw_find (struct _camel_header_raw **list, const char *name, int *offset);
const char *camel_header_raw_find_next (struct _camel_header_raw **list, const char *name, int *offset, const char *last);
void camel_header_raw_replace (struct _camel_header_raw **list, const char *name, const char *value, int offset);
void camel_header_raw_remove (struct _camel_header_raw **list, const char *name);
void camel_header_raw_fold (struct _camel_header_raw **list);
void camel_header_raw_clear (struct _camel_header_raw **list);
char *camel_header_raw_check_mailing_list (struct _camel_header_raw **list);
/* fold a header */
char *camel_header_address_fold (const char *in, size_t headerlen);
char *camel_header_fold (const char *in, size_t headerlen);
char *camel_header_unfold (const char *in);
/* decode a header which is a simple token */
char *camel_header_token_decode (const char *in);
int camel_header_decode_int (const char **in);
/* decode/encode a string type, like a subject line */
char *camel_header_decode_string (const char *in, const char *default_charset);
char *camel_header_encode_string (const unsigned char *in);
/* encode a phrase, like the real name of an address */
char *camel_header_encode_phrase (const unsigned char *in);
/* decode an email date field into a GMT time, + optional offset */
time_t camel_header_decode_date (const char *in, int *saveoffset);
char *camel_header_format_date (time_t time, int offset);
/* decode a message id */
char *camel_header_msgid_decode (const char *in);
char *camel_header_contentid_decode (const char *in);
/* generate msg id */
char *camel_header_msgid_generate (void);
/* decode a References or In-Reply-To header */
struct _camel_header_references *camel_header_references_inreplyto_decode (const char *in);
struct _camel_header_references *camel_header_references_decode (const char *in);
void camel_header_references_list_clear (struct _camel_header_references **list);
void camel_header_references_list_append_asis (struct _camel_header_references **list, char *ref);
int camel_header_references_list_size (struct _camel_header_references **list);
struct _camel_header_references *camel_header_references_dup (const struct _camel_header_references *list);
/* decode content-location */
char *camel_header_location_decode (const char *in);
/* decode the mime-type header */
void camel_header_mime_decode (const char *in, int *maj, int *min);
/* do incremental base64/quoted-printable (de/en)coding */
size_t base64_decode_step (unsigned char *in, size_t len, unsigned char *out, int *state, unsigned int *save);
size_t base64_encode_step (unsigned char *in, size_t len, gboolean break_lines, unsigned char *out, int *state, int *save);
size_t base64_encode_close (unsigned char *in, size_t len, gboolean break_lines, unsigned char *out, int *state, int *save);
size_t uudecode_step (unsigned char *in, size_t len, unsigned char *out, int *state, guint32 *save);
size_t uuencode_step (unsigned char *in, size_t len, unsigned char *out, unsigned char *uubuf, int *state,
guint32 *save);
size_t uuencode_close (unsigned char *in, size_t len, unsigned char *out, unsigned char *uubuf, int *state,
guint32 *save);
size_t quoted_decode_step (unsigned char *in, size_t len, unsigned char *out, int *savestate, int *saveme);
size_t quoted_encode_step (unsigned char *in, size_t len, unsigned char *out, int *state, int *save);
size_t quoted_encode_close (unsigned char *in, size_t len, unsigned char *out, int *state, int *save);
char *base64_encode_simple (const char *data, size_t len);
size_t base64_decode_simple (char *data, size_t len);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* ! _CAMEL_MIME_UTILS_H */
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