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Diffstat (limited to 'lib/isccc/include/isccc/sexpr.h')
| -rw-r--r-- | lib/isccc/include/isccc/sexpr.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/lib/isccc/include/isccc/sexpr.h b/lib/isccc/include/isccc/sexpr.h new file mode 100644 index 0000000..6112631 --- /dev/null +++ b/lib/isccc/include/isccc/sexpr.h @@ -0,0 +1,124 @@ +/* + * Portions Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (C) 2001 Internet Software Consortium. + * + * Permission to use, copy, modify, and/or 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. + * + * Portions Copyright (C) 2001 Nominum, Inc. + * + * Permission to use, copy, modify, and/or 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 1.11 2007/08/28 07:20:43 tbox Exp $ */ + +#ifndef ISCCC_SEXPR_H +#define ISCCC_SEXPR_H 1 + +/*! \file isccc/sexpr.h */ + +#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 */ |