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/* $Id$ */
#ifndef mailparse_rfc822_h
#define mailparse_rfc822_h
/*
** Copyright 1998 - 2000 Double Precision, Inc.
** See COPYING for distribution information.
*/
#include <time.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
** The text string we want to parse is first tokenized into an array of
** struct rfc822token records. 'ptr' points into the original text
** string, and 'len' has how many characters from 'ptr' belongs to this
** token.
*/
struct rfc822token {
struct rfc822token *next; /* Unused by librfc822, for use by
** clients */
int token;
/*
Values for token:
'(' - comment
'"' - quoted string
'<', '>', '@', ',', ';', ':', '.', '[', ']', '%', '!', '=', '?', '/' - RFC atoms.
0 - atom
*/
#define mailparse_rfc822_is_atom(p) ( (p) == 0 || (p) == '"' || (p) == '(' )
const char *ptr; /* Pointer to value for the token. */
int len; /* Length of token value */
} ;
/*
** After the struct rfc822token array is built, it is used to create
** the rfc822addr array, which is the array of addresses (plus
** syntactical fluff) extracted from those text strings. Each rfc822addr
** record has several possible interpretation:
**
** tokens is NULL - syntactical fluff, look in name/nname for tokens
** representing the syntactical fluff ( which is semicolons
** and list name:
**
** tokens is not NULL - actual address. The tokens representing the actual
** address is in tokens/ntokens. If there are comments in
** the address that are possible "real name" for the address
** they are saved in name/nname (name may be null if there
** is none).
** If nname is 1, and name points to a comment token,
** the address was specified in old-style format. Otherwise
** the address was specified in new-style route-addr format.
**
** The tokens and name pointers are set to point to the original rfc822token
** array.
*/
struct rfc822addr {
struct rfc822token *tokens;
struct rfc822token *name;
} ;
/***************************************************************************
**
** rfc822 tokens
**
***************************************************************************/
struct rfc822t {
struct rfc822token *tokens;
int ntokens;
} ;
struct rfc822t * mailparse_rfc822t_alloc(const char *p,
void (*err_func)(const char *, int)); /* Parse addresses */
void mailparse_rfc822t_free(struct rfc822t *); /* Free rfc822 structure */
void mailparse_rfc822tok_print(const struct rfc822token *, void (*)(char, void *), void *);
/* Print the tokens */
/***************************************************************************
**
** rfc822 addresses
**
***************************************************************************/
struct rfc822a {
struct rfc822addr *addrs;
int naddrs;
} ;
struct rfc822a * mailparse_rfc822a_alloc(struct rfc822t *);
void mailparse_rfc822a_free(struct rfc822a *); /* Free rfc822 structure */
void mailparse_rfc822_deladdr(struct rfc822a *, int);
/* rfc822_print "unparses" the rfc822 structure. Each rfc822addr is "printed"
(via the attached function). NOTE: instead of separating addresses by
commas, the print_separator function is called.
*/
void mailparse_rfc822_print(const struct rfc822a *a,
void (*print_func)(char, void *),
void (*print_separator)(const char *, void *), void *);
/* rfc822_print_common is an internal function */
void mailparse_rfc822_print_common(const struct rfc822a *a,
char *(*decode_func)(const char *, const char *),
const char *chset,
void (*print_func)(char, void *),
void (*print_separator)(const char *, void *), void *);
/* Another unparser, except that only the raw addresses are extracted,
and each address is followed by a newline character */
void mailparse_rfc822_addrlist(const struct rfc822a *, void (*print_func)(char, void *),
void *);
/* Now, just the comments. If comments not given, the address. */
void mailparse_rfc822_namelist(const struct rfc822a *, void (*print_func)(char, void *),
void *);
/* Unparse an individual name/addr from a list of addresses. If the given
index points to some syntactical fluff, this is a noop */
void mailparse_rfc822_prname(const struct rfc822a *, int, void (*)(char, void *), void *);
void mailparse_rfc822_praddr(const struct rfc822a *, int, void (*)(char, void *), void *);
/* Like rfc822_prname, except that we'll also print the legacy format
** of a list designation.
*/
void mailparse_rfc822_prname_orlist(const struct rfc822a *, int,
void (*)(char, void *), void *);
/* Extra functions */
char *mailparse_rfc822_gettok(const struct rfc822token *);
char *mailparse_rfc822_getaddr(const struct rfc822a *, int);
char *mailparse_rfc822_getname(const struct rfc822a *, int);
char *mailparse_rfc822_getname_orlist(const struct rfc822a *, int);
char *mailparse_rfc822_getaddrs(const struct rfc822a *);
char *mailparse_rfc822_getaddrs_wrap(const struct rfc822a *, int);
char *mailparse_rfc822_coresubj(const char *, int *);
char *mailparse_rfc822_coresubj_nouc(const char *, int *);
#ifdef __cplusplus
}
#endif
#endif
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