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https://github.com/VectorCamp/vectorscan.git
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70 lines
2.6 KiB
C++
70 lines
2.6 KiB
C++
/*
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* Copyright (c) 2015-2018, Intel Corporation
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Intel Corporation nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef ACCEL_DFA_BUILD_STRAT_H
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#define ACCEL_DFA_BUILD_STRAT_H
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#include "rdfa.h"
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#include "dfa_build_strat.h"
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#include "ue2common.h"
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#include "util/accel_scheme.h"
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#include <map>
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namespace ue2 {
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class ReportManager;
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struct Grey;
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enum DfaType {
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McClellan,
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Sheng,
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Gough
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};
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class accel_dfa_build_strat : public dfa_build_strat {
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public:
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accel_dfa_build_strat(const ReportManager &rm_in, bool only_accel_init_in)
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: dfa_build_strat(rm_in), only_accel_init(only_accel_init_in) {}
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virtual AccelScheme find_escape_strings(dstate_id_t this_idx) const;
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virtual size_t accelSize(void) const = 0;
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virtual u32 max_allowed_offset_accel() const = 0;
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virtual u32 max_stop_char() const = 0;
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virtual u32 max_floating_stop_char() const = 0;
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virtual void buildAccel(dstate_id_t this_idx, const AccelScheme &info,
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void *accel_out);
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virtual std::map<dstate_id_t, AccelScheme> getAccelInfo(const Grey &grey);
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virtual DfaType getType() const = 0;
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private:
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bool only_accel_init;
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};
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} // namespace ue2
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#endif // ACCEL_DFA_BUILD_STRAT_H
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