2 This file is part of GNUnet.
3 (C) 2012,2013 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
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11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
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17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 * @author Bartlomiej Polot
23 * @file regex/regex_block_lib.h
26 #ifndef REGEX_BLOCK_LIB_H_
27 #define REGEX_BLOCK_LIB_H_
33 /* keep Emacsens' auto-indent happy */
39 #include "block_regex.h"
42 * Check if the regex block is well formed, including all edges
44 * @param block The start of the block.
45 * @param size The size of the block.
46 * @param xquery String describing the edge we are looking for.
48 * @return GNUNET_OK in case it's fine.
49 * GNUNET_NO in case the xquery is not found.
50 * GNUNET_SYSERR if the block is invalid.
53 GNUNET_REGEX_block_check (const struct RegexBlock *block,
58 * Iterator over edges in a block.
61 * @param token Token that follows to next state.
62 * @param len Length of token.
63 * @param key Hash of next state.
65 * @return GNUNET_YES if should keep iterating, GNUNET_NO otherwise.
67 typedef int (*GNUNET_REGEX_EgdeIterator)(void *cls,
70 const struct GNUNET_HashCode *key);
74 * Iterate over all edges of a block of a regex state.
76 * @param block Block to iterate over.
77 * @param size Size of block.
78 * @param iterator Function to call on each edge in the block.
79 * @param iter_cls Closure for the iterator.
81 * @return GNUNET_SYSERR if an error has been encountered, GNUNET_OK otherwise
84 GNUNET_REGEX_block_iterate (const struct RegexBlock *block,
86 GNUNET_REGEX_EgdeIterator iterator,
89 #if 0 /* keep Emacsens' auto-indent happy */
96 /* ifndef REGEX_BLOCK_LIB_H */
98 /* end of regex_block_lib.h */