1 /*
2  * Copyright (c) 2024 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 OHOS_IDL_STRING_HELPER_H
17 #define OHOS_IDL_STRING_HELPER_H
18 
19 #include <cstring>
20 #include <string>
21 #include <vector>
22 
23 namespace OHOS {
24 namespace Idl {
25 class StringHelper {
26 public:
27     static std::vector<std::string> Split(std::string sources, const std::string &limit);
28 
29     static bool StartWith(const std::string &value, char prefix);
30 
31     static bool StartWith(const std::string &value, const std::string &prefix);
32 
33     static bool EndWith(const std::string &value, char suffix);
34 
35     static bool EndWith(const std::string &value, const std::string &suffix);
36 
37     static std::string Replace(const std::string &value, char oldChar, char newChar);
38 
39     static std::string Replace(const std::string &value, const std::string &oldstr, const std::string &newstr);
40 
41     static std::string Replace(
42         const std::string &value, size_t position, const std::string &substr, const std::string &newstr);
43 
44     static std::string Replace(const std::string &value, size_t position, size_t len, const std::string &newStr);
45 
46     static std::string SubStr(const std::string &value, size_t start, size_t end = std::string::npos);
47 
48     static std::string StrToLower(const std::string &value);
49 
50     static std::string StrToUpper(const std::string &value);
51 
52     static std::string FirstToUpper(const std::string &value);
53 
54     static std::string Format(const char *format, ...);
55 
56     static int GetHashCode(const std::string &key);
57 
58     static constexpr size_t lineMaxSize = 2048;  // 2KB
59     static constexpr size_t maxSize = 524288;    // 512KB
60 };
61 
62 struct StringHashFunc {
operatorStringHashFunc63     int operator()(const std::string& key) const
64     {
65         return StringHelper::GetHashCode(key);
66     }
67 };
68 
69 struct StringEqualFunc {
operatorStringEqualFunc70     bool operator()(const std::string& lhs, const std::string& rhs) const
71     {
72         return lhs == rhs;
73     }
74 };
75 } // namespace Idl
76 } // namespace OHOS
77 
78 #endif // OHOS_IDL_STRING_HELPER_H