1/*
2 * Copyright (c) 2015, Intel Corporation
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * * Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of Intel Corporation nor the names of its contributors
13 * may be used to endorse or promote products derived from this software
14 * without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** \file
30 * \brief Character classes and their mnemonics.
31 */
32
33#ifndef ASCIICOMPONENTCLASS_H
34#define ASCIICOMPONENTCLASS_H
35
36#include "ComponentClass.h"
37#include "util/charreach.h"
38
39namespace ue2 {
40
41class AsciiComponentClass : public ComponentClass {
42 friend class ConstructLiteralVisitor;
43 friend class DumpVisitor;
44 friend class PrintVisitor;
45 friend class CaselessVisitor;
46 friend class SimplifyVisitor;
47 friend class SimplifyCandidatesVisitor;
48public:
49 explicit AsciiComponentClass(const ParseMode &mode_in);
50 ~AsciiComponentClass() override {}
51 AsciiComponentClass *clone() const override;
52
53 Component *accept(ComponentVisitor &v) override {
54 Component *c = v.visit(this);
55 v.post(this);
56 return c;
57 }
58
59 void accept(ConstComponentVisitor &v) const override {
60 v.pre(*this);
61 v.during(*this);
62 v.post(*this);
63 }
64
65 bool class_empty(void) const override;
66 void add(PredefinedClass c, bool negative) override;
67 void add(unichar c) override;
68 void finalize(void) override;
69 void notePositions(GlushkovBuildState &bs) override;
70 void buildFollowSet(GlushkovBuildState &bs,
71 const std::vector<PositionInfo> &) override;
72 std::vector<PositionInfo> first(void) const override;
73 std::vector<PositionInfo> last(void) const override;
74
75protected:
76 void createRange(unichar to) override;
77
78private:
79 Position position;
80 CharReach cr;
81
82 // Private copy ctor. Use clone instead.
83 AsciiComponentClass(const AsciiComponentClass &other)
84 : ComponentClass(other), position(other.position), cr(other.cr) {}
85};
86
87} // namespace ue2
88
89#endif // ASCIICOMPONENTCLASS_H
90