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https://github.com/VectorCamp/vectorscan.git
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81 lines
2.7 KiB
C++
81 lines
2.7 KiB
C++
/*
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* Copyright (c) 2015, 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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/** \file
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* \brief Single bytes (\\C metachar)
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*/
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#ifndef _RE_COMPONENTBYTE_H_
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#define _RE_COMPONENTBYTE_H_
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#include "Component.h"
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namespace ue2 {
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class ComponentByte : public Component {
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friend class DumpVisitor;
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public:
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ComponentByte(void);
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~ComponentByte() override;
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ComponentByte *clone() const override;
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Component *accept(ComponentVisitor &v) override {
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Component *c = v.visit(this);
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v.post(this);
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return c;
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}
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void accept(ConstComponentVisitor &v) const override {
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v.pre(*this);
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v.during(*this);
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v.post(*this);
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}
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std::vector<PositionInfo> first() const override;
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std::vector<PositionInfo> last() const override;
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bool empty() const override { return false; }
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void notePositions(GlushkovBuildState &bs) override;
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void buildFollowSet(GlushkovBuildState &,
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const std::vector<PositionInfo> &) override {
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// all follow set construction is handled by firsts/lasts
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return;
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}
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private:
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Position position;
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ComponentByte(const ComponentByte &other)
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: Component(other), position(other.position) {}
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};
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} // namespace ue2
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#endif
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