1 | /* |
2 | * Copyright (c) 2015-2017, 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 | /** \file |
30 | * \brief Loose equality testing for NGHolder graphs. |
31 | * |
32 | * Loose equality check for holders' graph structure and vertex_index, |
33 | * vertex_char_reach and (optionally reports). |
34 | */ |
35 | |
36 | #ifndef NG_IS_EQUAL_H |
37 | #define NG_IS_EQUAL_H |
38 | |
39 | #include "ue2common.h" |
40 | |
41 | #include <memory> |
42 | |
43 | namespace ue2 { |
44 | |
45 | class NGHolder; |
46 | |
47 | bool is_equal(const NGHolder &a, const NGHolder &b); |
48 | bool is_equal(const NGHolder &a, ReportID a_r, const NGHolder &b, ReportID b_r); |
49 | |
50 | u64a hash_holder(const NGHolder &g); |
51 | |
52 | // Util Functors |
53 | struct NGHolderHasher { |
54 | size_t operator()(const std::shared_ptr<const NGHolder> &h) const { |
55 | return hash_holder(*h); |
56 | } |
57 | }; |
58 | |
59 | struct NGHolderEqual { |
60 | bool operator()(const std::shared_ptr<const NGHolder> &a, |
61 | const std::shared_ptr<const NGHolder> &b) const { |
62 | return is_equal(*a, *b); |
63 | } |
64 | }; |
65 | |
66 | } // namespace ue2 |
67 | |
68 | #endif // NG_IS_EQUAL_H |
69 | |