1 | /* |
2 | * Copyright (c) 2015-2016, 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 DFA_BUILD_STRAT_H |
30 | #define DFA_BUILD_STRAT_H |
31 | |
32 | #include "rdfa.h" |
33 | #include "ue2common.h" |
34 | |
35 | #include <memory> |
36 | #include <vector> |
37 | |
38 | struct NFA; |
39 | |
40 | namespace ue2 { |
41 | |
42 | class ReportManager; |
43 | |
44 | struct raw_report_info { |
45 | virtual ~raw_report_info(); |
46 | virtual u32 getReportListSize() const = 0; /* in bytes */ |
47 | virtual size_t size() const = 0; /* number of lists */ |
48 | virtual void fillReportLists(NFA *n, size_t base_offset, |
49 | std::vector<u32> &ro /* out */) const = 0; |
50 | }; |
51 | |
52 | class dfa_build_strat { |
53 | public: |
54 | explicit dfa_build_strat(const ReportManager &rm_in) : rm(rm_in) {} |
55 | virtual ~dfa_build_strat(); |
56 | virtual raw_dfa &get_raw() const = 0; |
57 | virtual std::unique_ptr<raw_report_info> gatherReports( |
58 | std::vector<u32> &reports /* out */, |
59 | std::vector<u32> &reports_eod /* out */, |
60 | u8 *isSingleReport /* out */, |
61 | ReportID *arbReport /* out */) const = 0; |
62 | protected: |
63 | const ReportManager &rm; |
64 | }; |
65 | |
66 | } // namespace ue2 |
67 | |
68 | #endif // DFA_BUILD_STRAT_H |
69 | |