2 This file is part of GNUnet
3 (C) 2012 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
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
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16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 * @file include/gnunet_regex_lib.h
22 * @brief library to parse regular expressions into dfa
23 * @author Maximilian Szengel
27 #ifndef GNUNET_REGEX_LIB_H
28 #define GNUNET_REGEX_LIB_H
30 #include "gnunet_util_lib.h"
35 #if 0 /* keep Emacsens' auto-indent happy */
43 struct GNUNET_REGEX_Automaton;
46 * Construct an NFA data structure by parsing the regex string of
49 * @param regex regular expression string
50 * @param len length of the string
52 * @return NFA.Needs to be freed using GNUNET_REGEX_destroy_automaton
54 struct GNUNET_REGEX_Automaton *
55 GNUNET_REGEX_construct_nfa(const char *regex, size_t len);
58 * Free the memory allocated by constructing the GNUNET_REGEX_Automaton
61 * @param a automaton to be destroyed
64 GNUNET_REGEX_destroy_automaton(struct GNUNET_REGEX_Automaton *a);
67 * Save the given NFA as a GraphViz dot file
69 * @param n NFA to be saved
70 * @param filename where to save the file
73 GNUNET_REGEX_save_nfa_graph(struct GNUNET_REGEX_Automaton *n,
74 const char *filename);
78 * Construct DFA for the given 'regex' of lenght 'len'
80 * @param regex regular expression string
81 * @param len length of the regular expression
83 * @return DFA. Needs to be freed using GNUNET_REGEX_destroy_automaton
85 struct GNUNET_REGEX_Automaton *
86 GNUNET_REGEX_construct_dfa (const char *regex, size_t len);
88 #if 0 /* keep Emacsens' auto-indent happy */
95 /* end of gnunet_regex_lib.h */