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 | |
39 | namespace ue2 { |
40 | |
41 | class 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; |
48 | public: |
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 | |
75 | protected: |
76 | void createRange(unichar to) override; |
77 | |
78 | private: |
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 | |