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1 /**
2  * Copyright (c) 2025 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef PANDA_RUNTIME_REGEXP_H
17 #define PANDA_RUNTIME_REGEXP_H
18 
19 #include "plugins/ets/runtime/regexp/regexp_executor.h"
20 #include "plugins/ets/runtime/types/ets_string.h"
21 
22 namespace ark::ets {
23 
24 class pcre2_code;
25 
26 class EtsRegExp {
27 public:
28     void SetFlags(EtsString *flagsStr);
29     bool Compile(const PandaVector<uint8_t> &pattern, const bool isUtf16, const int len);
30     RegExpExecResult Execute(const PandaVector<uint8_t> &str, const int len, const int startOffset);
31     void Destroy();
32 
IsUtf16()33     bool IsUtf16() const
34     {
35         return utf16_;
36     }
37 
38 private:
39     void SetFlag(const char &chr);
40     void SetUnicodeFlag(const char &chr);
41     void SetIfNotSet(bool &flag);
42     void ThrowBadFlagsException();
43 
44     void *re_ = nullptr;
45     bool flagGlobal_ = false;           // g
46     bool flagMultiline_ = false;        // m
47     bool flagCaseInsentitive_ = false;  // i
48     bool flagSticky_ = false;           // y
49     bool flagUnicode_ = false;          // u
50     bool flagVnicode_ = false;          // v
51     bool flagDotAll_ = false;           // s
52     bool flagIndices_ = false;          // d
53     bool utf16_ = false;
54 };
55 
56 }  // namespace ark::ets
57 #endif  // PANDA_RUNTIME_REGEXP_H