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- /*
- * Portions Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC")
- * Portions Copyright (C) 2001 Internet Software Consortium.
- * Portions Copyright (C) 2001 Nominum, Inc.
- *
- * 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 ISC AND NOMINUM DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC 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.
- */
-
- /* $Id: sexpr.h,v 1.4.18.2 2005/04/29 00:17:14 marka Exp $ */
-
- #ifndef ISCCC_SEXPR_H
- #define ISCCC_SEXPR_H 1
-
- /*! \file */
-
- #include <stdio.h>
-
- #include <isc/lang.h>
- #include <isccc/types.h>
-
- ISC_LANG_BEGINDECLS
-
- /*% dotted pair structure */
- struct isccc_dottedpair {
- isccc_sexpr_t *car;
- isccc_sexpr_t *cdr;
- };
-
- /*% iscc_sexpr structure */
- struct isccc_sexpr {
- unsigned int type;
- union {
- char * as_string;
- isccc_dottedpair_t as_dottedpair;
- isccc_region_t as_region;
- } value;
- };
-
- #define ISCCC_SEXPRTYPE_NONE 0x00 /*%< Illegal. */
- #define ISCCC_SEXPRTYPE_T 0x01
- #define ISCCC_SEXPRTYPE_STRING 0x02
- #define ISCCC_SEXPRTYPE_DOTTEDPAIR 0x03
- #define ISCCC_SEXPRTYPE_BINARY 0x04
-
- #define ISCCC_SEXPR_CAR(s) (s)->value.as_dottedpair.car
- #define ISCCC_SEXPR_CDR(s) (s)->value.as_dottedpair.cdr
-
- isccc_sexpr_t *
- isccc_sexpr_cons(isccc_sexpr_t *car, isccc_sexpr_t *cdr);
-
- isccc_sexpr_t *
- isccc_sexpr_tconst(void);
-
- isccc_sexpr_t *
- isccc_sexpr_fromstring(const char *str);
-
- isccc_sexpr_t *
- isccc_sexpr_frombinary(const isccc_region_t *region);
-
- void
- isccc_sexpr_free(isccc_sexpr_t **sexprp);
-
- void
- isccc_sexpr_print(isccc_sexpr_t *sexpr, FILE *stream);
-
- isccc_sexpr_t *
- isccc_sexpr_car(isccc_sexpr_t *list);
-
- isccc_sexpr_t *
- isccc_sexpr_cdr(isccc_sexpr_t *list);
-
- void
- isccc_sexpr_setcar(isccc_sexpr_t *pair, isccc_sexpr_t *car);
-
- void
- isccc_sexpr_setcdr(isccc_sexpr_t *pair, isccc_sexpr_t *cdr);
-
- isccc_sexpr_t *
- isccc_sexpr_addtolist(isccc_sexpr_t **l1p, isccc_sexpr_t *l2);
-
- isc_boolean_t
- isccc_sexpr_listp(isccc_sexpr_t *sexpr);
-
- isc_boolean_t
- isccc_sexpr_emptyp(isccc_sexpr_t *sexpr);
-
- isc_boolean_t
- isccc_sexpr_stringp(isccc_sexpr_t *sexpr);
-
- isc_boolean_t
- isccc_sexpr_binaryp(isccc_sexpr_t *sexpr);
-
- char *
- isccc_sexpr_tostring(isccc_sexpr_t *sexpr);
-
- isccc_region_t *
- isccc_sexpr_tobinary(isccc_sexpr_t *sexpr);
-
- ISC_LANG_ENDDECLS
-
- #endif /* ISCCC_SEXPR_H */
-