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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