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/*
* Copyright (c) 2015-2018, 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 ACCEL_DFA_BUILD_STRAT_H
#define ACCEL_DFA_BUILD_STRAT_H
#include "rdfa.h"
#include "dfa_build_strat.h"
#include "ue2common.h"
#include "util/accel_scheme.h"
#include <map>
namespace ue2 {
class ReportManager;
struct Grey;
enum DfaType {
McClellan,
Sheng,
Gough
};
class accel_dfa_build_strat : public dfa_build_strat {
public:
accel_dfa_build_strat(const ReportManager &rm_in, bool only_accel_init_in)
: dfa_build_strat(rm_in), only_accel_init(only_accel_init_in) {}
virtual AccelScheme find_escape_strings(dstate_id_t this_idx) const;
virtual size_t accelSize(void) const = 0;
virtual u32 max_allowed_offset_accel() const = 0;
virtual u32 max_stop_char() const = 0;
virtual u32 max_floating_stop_char() const = 0;
virtual void buildAccel(dstate_id_t this_idx, const AccelScheme &info,
void *accel_out);
virtual std::map<dstate_id_t, AccelScheme> getAccelInfo(const Grey &grey);
virtual DfaType getType() const = 0;
private:
bool only_accel_init;
};
} // namespace ue2
#endif // ACCEL_DFA_BUILD_STRAT_H
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