1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/*
* This file is part of GNUnet
* (C) 2012 Christian Grothoff (and other contributing authors)
*
* GNUnet is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 3, 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNUnet; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* @file src/regex/regex_test_lib.h
* @brief library to read regexes representing IP networks from a file.
* and simplifying the into one big regex, in order to run
* tests (regex performance, regex profiler).
* @author Bertlomiej Polot
*/
#ifndef REGEX_INTERNAL_TEST_LIB_H
#define REGEX_INTERNAL_TEST_LIB_H
#include "regex_internal_lib.h"
#ifdef __cplusplus
extern "C"
{
#if 0 /* keep Emacsens' auto-indent happy */
}
#endif
#endif
/**
* Combine an array of regexes into a single prefix-shared regex.
*
* @param regexes A NULL-terminated array of regexes.
*
* @return A string with a single regex that matches any of the original regexes
*/
char *
REGEX_TEST_combine(char * const regexes[]);
/**
* Read a set of regexes from a file, one per line and return them in an array
* suitable for REGEX_TEST_combine.
* The array must be free'd using REGEX_TEST_free_from_file.
*
* @param filename Name of the file containing the regexes.
*
* @return A newly allocated, NULL terminated array of regexes.
*/
char **
REGEX_TEST_read_from_file (const char *filename);
/**
* Free all memory reserved for a set of regexes created by read_from_file.
*
* @param regexes NULL-terminated array of regexes.
*/
void
REGEX_TEST_free_from_file (char **regexes);
/**
* Generate a (pseudo) random regular expression of length 'rx_length', as well
* as a (optional) string that will be matched by the generated regex. The
* returned regex needs to be freed.
*
* @param rx_length length of the random regex.
* @param matching_str (optional) pointer to a string that will contain a string
* that will be matched by the generated regex, if
* 'matching_str' pointer was not NULL.
*
* @return NULL if 'rx_length' is 0, a random regex of length 'rx_length', which
* needs to be freed, otherwise.
*/
char *
REGEX_TEST_generate_random_regex (size_t rx_length, char *matching_str);
/**
* Generate a random string of maximum length 'max_len' that only contains literals allowed
* in a regular expression. The string might be 0 chars long but is garantueed
* to be shorter or equal to 'max_len'.
*
* @param max_len maximum length of the string that should be generated.
*
* @return random string that needs to be freed.
*/
char *
REGEX_TEST_generate_random_string (size_t max_len);
/**
* Options for graph creation function
* REGEX_TEST_automaton_save_graph.
*/
enum REGEX_TEST_GraphSavingOptions
{
/**
* Default. Do nothing special.
*/
REGEX_TEST_GRAPH_DEFAULT = 0,
/**
* The generated graph will include extra information such as the NFA states
* that were used to generate the DFA state.
*/
REGEX_TEST_GRAPH_VERBOSE = 1,
/**
* Enable graph coloring. Will color each SCC in a different color.
*/
REGEX_TEST_GRAPH_COLORING = 2
};
/**
* Save the given automaton as a GraphViz dot file.
*
* @param a the automaton to be saved.
* @param filename where to save the file.
* @param options options for graph generation that include coloring or verbose
* mode
*/
void
REGEX_TEST_automaton_save_graph (struct REGEX_INTERNAL_Automaton *a,
const char *filename,
enum REGEX_TEST_GraphSavingOptions options);
#if 0 /* keep Emacsens' auto-indent happy */
{
#endif
#ifdef __cplusplus
}
#endif
/* end of regex_internal_lib.h */
#endif
|
