1 | /* |
2 | * Copyright (c) 2015, Intel Corporation |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions are met: |
6 | * |
7 | * * Redistributions of source code must retain the above copyright notice, |
8 | * this list of conditions and the following disclaimer. |
9 | * * Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * * Neither the name of Intel Corporation nor the names of its contributors |
13 | * may be used to endorse or promote products derived from this software |
14 | * without specific prior written permission. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
26 | * POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | |
29 | #ifndef NFA_BUILD_UTIL_H |
30 | #define NFA_BUILD_UTIL_H |
31 | |
32 | #include "ue2common.h" |
33 | #include "nfa_internal.h" |
34 | |
35 | #include <string> |
36 | |
37 | struct NFA; |
38 | |
39 | namespace ue2 { |
40 | |
41 | #ifdef DUMP_SUPPORT |
42 | /* provided for debugging functions */ |
43 | const char *nfa_type_name(NFAEngineType type); |
44 | std::string describe(const NFA &nfa); |
45 | #endif |
46 | |
47 | // For a given NFA, retrieve the alignment required by its uncompressed state. |
48 | u32 state_alignment(const NFA &nfa); |
49 | |
50 | /* returns true if the nfa is considered 'fast'. TODO: work out what we mean by |
51 | * fast. */ |
52 | bool is_fast(const NFA &n); |
53 | |
54 | bool has_bounded_repeats_other_than_firsts(const NFA &n); |
55 | |
56 | bool has_bounded_repeats(const NFA &n); |
57 | |
58 | bool has_accel(const NFA &n); |
59 | |
60 | bool requires_decompress_key(const NFA &n); |
61 | |
62 | } // namespace ue2 |
63 | |
64 | #endif |
65 | |