regex_block_lib.h

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/*
     This file is part of GNUnet.
     Copyright (C) 2012,2013 GNUnet e.V.
 
     GNUnet is free software: you can redistribute it and/or modify it
     under the terms of the GNU Affero General Public License as published
     by the Free Software Foundation, either version 3 of the License,
     or (at your option) any later version.
 
     GNUnet 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
     Affero General Public License for more details.
 
     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
     SPDX-License-Identifier: AGPL3.0-or-later
 */
 
#ifndef REGEX_BLOCK_LIB_H_
#define REGEX_BLOCK_LIB_H_
 
#ifdef __cplusplus
extern "C"
{
#if 0
/* keep Emacsens' auto-indent happy */
}
#endif
#endif
 
#include "platform.h"
#include "block_regex.h"
 
 
struct RegexBlock;
 
 
struct REGEX_BLOCK_Edge
{
  const char *label;
 
  struct GNUNET_HashCode destination;
};
 
 
int
REGEX_BLOCK_check_proof (const char *proof,
                         size_t proof_len,
                         const struct GNUNET_HashCode *key);
 
 
int
REGEX_BLOCK_check (const struct RegexBlock *block,
                   size_t size,
                   const struct GNUNET_HashCode *query,
                   const char *xquery);
 
 
/* FIXME: might want to use 'struct REGEX_BLOCK_Edge' here instead of 3 arguments! */
 
typedef int
(*REGEX_INTERNAL_EgdeIterator)(void *cls,
                               const char *token,
                               size_t len,
                               const struct GNUNET_HashCode *key);
 
 
int
REGEX_BLOCK_iterate (const struct RegexBlock *block,
                     size_t size,
                     REGEX_INTERNAL_EgdeIterator iterator,
                     void *iter_cls);
 
 
int
REGEX_BLOCK_get_key (const struct RegexBlock *block,
                     size_t block_len,
                     struct GNUNET_HashCode *key);
 
 
int
GNUNET_BLOCK_is_accepting (const struct RegexBlock *block,
                           size_t block_len);
 
 
struct RegexBlock *
REGEX_BLOCK_create (const char *proof,
                    unsigned int num_edges,
                    const struct REGEX_BLOCK_Edge *edges,
                    int accepting,
                    size_t *rsize);
 
 
#if 0                           /* keep Emacsens' auto-indent happy */
{
#endif
#ifdef __cplusplus
}
#endif
 
/* ifndef REGEX_BLOCK_LIB_H */
#endif
/* end of regex_block_lib.h */