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#ifndef MPV_COMPILE_H
30#define MPV_COMPILE_H
31
32#include "ue2common.h"
33#include "util/bytecode_ptr.h"
34#include "util/charreach.h"
35
36#include <memory>
37#include <vector>
38
39struct NFA;
40
41namespace ue2 {
42
43class ReportManager;
44
45struct raw_puff {
46 raw_puff(u32 repeats_in, bool unbounded_in, ReportID report_in,
47 const CharReach &reach_in, bool auto_restart_in = false,
48 bool simple_exhaust_in = false)
49 : repeats(repeats_in), unbounded(unbounded_in),
50 auto_restart(auto_restart_in), simple_exhaust(simple_exhaust_in),
51 report(report_in), reach(reach_in) {}
52 u32 repeats; /**< report match after this many matching bytes */
53 bool unbounded; /**< keep producing matches after repeats are reached */
54 bool auto_restart; /**< for /[^X]{n}/ type patterns */
55 bool simple_exhaust; /* first report will exhaust us */
56 ReportID report;
57 CharReach reach; /**< = ~escapes */
58};
59
60/*
61 * puffs in the triggered_puffs vector are enabled when an TOP_N event is
62 * delivered corresponding to their index in the vector
63 */
64bytecode_ptr<NFA> mpvCompile(const std::vector<raw_puff> &puffs,
65 const std::vector<raw_puff> &triggered_puffs,
66 const ReportManager &rm);
67
68} // namespace ue2
69
70#endif
71