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/*
* Copyright (c) 2015-2016, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Intel Corporation nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DFA_BUILD_STRAT_H
#define DFA_BUILD_STRAT_H
#include "rdfa.h"
#include "ue2common.h"
#include <memory>
#include <vector>
struct NFA;
namespace ue2 {
class ReportManager;
struct raw_report_info {
virtual ~raw_report_info();
virtual u32 getReportListSize() const = 0; /* in bytes */
virtual size_t size() const = 0; /* number of lists */
virtual void fillReportLists(NFA *n, size_t base_offset,
std::vector<u32> &ro /* out */) const = 0;
};
class dfa_build_strat {
public:
explicit dfa_build_strat(const ReportManager &rm_in) : rm(rm_in) {}
virtual ~dfa_build_strat();
virtual raw_dfa &get_raw() const = 0;
virtual std::unique_ptr<raw_report_info> gatherReports(
std::vector<u32> &reports /* out */,
std::vector<u32> &reports_eod /* out */,
u8 *isSingleReport /* out */,
ReportID *arbReport /* out */) const = 0;
protected:
const ReportManager &rm;
};
} // namespace ue2
#endif // DFA_BUILD_STRAT_H
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