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
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 */
28
29/** \file
30 * \brief Pattern matching based on direct NFA execution.
31 */
32
33#ifndef NG_FIND_MATCHES_H
34#define NG_FIND_MATCHES_H
35
36#include <string>
37#include <set>
38
39namespace ue2 {
40
41class NGHolder;
42class ReportManager;
43struct BoundaryReports;
44
45} // namespace ue2
46
47/**
48 * \brief Find all matches for a given graph when executed against \a input.
49 *
50 * Fills \a matches with offsets into the data stream where a match is found.
51 *
52 * Returns false if this graph is too large to find its matches in reasonable
53 * time.
54 */
55bool findMatches(const ue2::NGHolder &g, const ue2::ReportManager &rm,
56 const std::string &input,
57 std::set<std::pair<size_t, size_t>> &matches,
58 const unsigned int max_edit_distance,
59 const unsigned int max_hamm_distance, const bool notEod,
60 const bool utf8);
61
62#endif // NG_FIND_MATCHES_H
63