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audacity/lib-src/redland/librdf/rdf_digest_internal.h
2010-01-24 09:19:39 +00:00

99 lines
2.7 KiB
C

/* -*- Mode: c; c-basic-offset: 2 -*-
*
* rdf_digest_internal.h - Internal RDF Digest Factory / Digest definitions
*
* Copyright (C) 2000-2008, David Beckett http://www.dajobe.org/
* Copyright (C) 2000-2005, University of Bristol, UK http://www.bristol.ac.uk/
*
* This package is Free Software and part of Redland http://librdf.org/
*
* It is licensed under the following three licenses as alternatives:
* 1. GNU Lesser General Public License (LGPL) V2.1 or any newer version
* 2. GNU General Public License (GPL) V2 or any newer version
* 3. Apache License, V2.0 or any newer version
*
* You may not use this file except in compliance with at least one of
* the above three licenses.
*
* See LICENSE.html or LICENSE.txt at the top of this package for the
* complete terms and further detail along with the license texts for
* the licenses in COPYING.LIB, COPYING and LICENSE-2.0.txt respectively.
*
*
*/
#ifndef LIBRDF_DIGEST_INTERNAL_H
#define LIBRDF_DIGEST_INTERNAL_H
#ifdef __cplusplus
extern "C" {
#endif
/* based on the GNUPG cipher/digest registration stuff */
struct librdf_digest_factory_s
{
struct librdf_digest_factory_s* next;
char * name;
/* the rest of this structure is populated by the
digest-specific register function */
size_t context_length;
size_t digest_length;
/* functions (over context) */
void (*init)( void *_context );
void (*update)( void *_context, const unsigned char *buf, size_t nbytes );
void (*final)( void *_context );
unsigned char *(*get_digest)( void *_context );
};
struct librdf_digest_s {
librdf_world *world;
char *context;
unsigned char *digest;
librdf_digest_factory* factory;
};
/* module init */
void librdf_init_digest(librdf_world *world);
/* module finish */
void librdf_finish_digest(librdf_world *world);
/* in librdf_digest_openssl.c */
#ifdef HAVE_OPENSSL_DIGESTS
void librdf_digest_openssl_constructor(librdf_world *world);
#endif
/* in librdf_digest_md5.c */
#ifdef HAVE_LOCAL_MD5_DIGEST
void librdf_digest_md5_constructor(librdf_world *world);
#endif
/* in librdf_digest_sha1.c */
#ifdef HAVE_LOCAL_SHA1_DIGEST
void librdf_digest_sha1_constructor(librdf_world *world);
#endif
/* in librdf_digest_ripemd160.c */
#ifdef HAVE_LOCAL_RIPEMD160_DIGEST
void librdf_digest_rmd160_constructor(librdf_world *world);
#endif
/* factory static methods */
void librdf_digest_register_factory(librdf_world *world, const char *name, void (*factory) (librdf_digest_factory*));
librdf_digest_factory* librdf_get_digest_factory(librdf_world *world, const char *name);
/* constructor */
librdf_digest* librdf_new_digest_from_factory(librdf_world *world, librdf_digest_factory *factory);
#ifdef __cplusplus
}
#endif
#endif