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 | |
39 | struct NFA; |
40 | |
41 | namespace ue2 { |
42 | |
43 | class ReportManager; |
44 | |
45 | struct 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 | */ |
64 | bytecode_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 | |