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Diffstat (limited to 'src/include/gnunet_regex_lib.h')
-rw-r--r-- | src/include/gnunet_regex_lib.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/include/gnunet_regex_lib.h b/src/include/gnunet_regex_lib.h new file mode 100644 index 000000000..343a58901 --- /dev/null +++ b/src/include/gnunet_regex_lib.h | |||
@@ -0,0 +1,85 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet | ||
3 | (C) 2012 Christian Grothoff (and other contributing authors) | ||
4 | |||
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. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
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. | ||
14 | |||
15 | You should have received a copy of the GNU General Public License | ||
16 | along with GNUnet; see the file COPYING. If not, write to the | ||
17 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | ||
18 | Boston, MA 02111-1307, USA. | ||
19 | */ | ||
20 | /** | ||
21 | * @file include/gnunet_regex_lib.h | ||
22 | * @brief library to parse regular expressions into dfa | ||
23 | * @author Maximilian Szengel | ||
24 | * | ||
25 | */ | ||
26 | |||
27 | #ifndef GNUNET_REGEX_LIB_H | ||
28 | #define GNUNET_REGEX_LIB_H | ||
29 | |||
30 | #include "gnunet_util_lib.h" | ||
31 | |||
32 | #ifdef __cplusplus | ||
33 | extern "C" | ||
34 | { | ||
35 | #if 0 /* keep Emacsens' auto-indent happy */ | ||
36 | } | ||
37 | #endif | ||
38 | #endif | ||
39 | |||
40 | /** | ||
41 | * NFA representation | ||
42 | */ | ||
43 | struct GNUNET_REGEX_Nfa; | ||
44 | |||
45 | /** | ||
46 | * Construct an NFA data structure by parsing the regex string of | ||
47 | * length len. | ||
48 | * | ||
49 | * @param regex regular expression string | ||
50 | * @param len length of the string | ||
51 | * | ||
52 | * @return NFA data structure. Needs to be freed using | ||
53 | * GNUNET_REGEX_destroy_nfa | ||
54 | */ | ||
55 | struct GNUNET_REGEX_Nfa * | ||
56 | GNUNET_REGEX_construct_nfa(const char *regex, size_t len); | ||
57 | |||
58 | /** | ||
59 | * Free the memory allocated by constructing the GNUNET_REGEX_Nfa | ||
60 | * data structure. | ||
61 | * | ||
62 | * @param n NFA to be destroyed | ||
63 | */ | ||
64 | void | ||
65 | GNUNET_REGEX_destroy_nfa(struct GNUNET_REGEX_Nfa *n); | ||
66 | |||
67 | /** | ||
68 | * Save the given NFA as a GraphViz dot file | ||
69 | * | ||
70 | * @param n NFA to be saved | ||
71 | * @param filename where to save the file | ||
72 | */ | ||
73 | void | ||
74 | GNUNET_REGEX_save_nfa_graph(struct GNUNET_REGEX_Nfa *n, | ||
75 | const char *filename); | ||
76 | |||
77 | #if 0 /* keep Emacsens' auto-indent happy */ | ||
78 | { | ||
79 | #endif | ||
80 | #ifdef __cplusplus | ||
81 | } | ||
82 | #endif | ||
83 | |||
84 | /* end of gnunet_regex_lib.h */ | ||
85 | #endif | ||