1 /*
2 * Copyright (c) 2023 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 STRING_UTIL_H
17 #define STRING_UTIL_H
18
19 #include <cstdint>
20 #include <cstdio>
21 #include <stdlib.h>
22 #include <string>
23 #include <string.h>
24 #include <securec.h>
25
26 namespace OHOS {
27 namespace HiviewDFX {
28 #ifndef PATH_MAX
29 #define PATH_MAX 1024
30 #endif
31
RealPath(const std::string & path,std::string & realPath)32 inline bool RealPath(const std::string& path, std::string& realPath)
33 {
34 #if is_ohos
35 realPath.reserve(PATH_MAX);
36 realPath.resize(PATH_MAX - 1);
37 if (realpath(path.c_str(), &(realPath[0])) == nullptr) {
38 return false;
39 }
40 #else
41 realPath = path;
42 #endif
43 return true;
44 }
45
StartsWith(const std::string & s,const std::string & prefix)46 inline bool StartsWith(const std::string& s, const std::string& prefix)
47 {
48 return s.substr(0, prefix.size()) == prefix;
49 }
50
StartsWith(const std::string & s,char prefix)51 inline bool StartsWith(const std::string& s, char prefix)
52 {
53 return !s.empty() && s.front() == prefix;
54 }
55
StartsWithIgnoreCase(const std::string & s,const std::string & prefix)56 inline bool StartsWithIgnoreCase(const std::string& s, const std::string& prefix)
57 {
58 return s.size() >= prefix.size() && strncasecmp(s.data(), prefix.data(), prefix.size()) == 0;
59 }
60
EndsWith(const std::string & s,const std::string & suffix)61 inline bool EndsWith(const std::string& s, const std::string& suffix)
62 {
63 return s.size() >= suffix.size() &&
64 s.substr(s.size() - suffix.size(), suffix.size()) == suffix;
65 }
66
EndsWith(const std::string & s,char suffix)67 inline bool EndsWith(const std::string& s, char suffix)
68 {
69 return !s.empty() && s.back() == suffix;
70 }
71
EndsWithIgnoreCase(const std::string & s,const std::string & suffix)72 inline bool EndsWithIgnoreCase(const std::string& s, const std::string& suffix)
73 {
74 return s.size() >= suffix.size() &&
75 strncasecmp(s.data() + (s.size() - suffix.size()), suffix.data(), suffix.size()) == 0;
76 }
77
Trim(std::string & str)78 inline void Trim(std::string& str)
79 {
80 std::string blanks("\f\v\r\t\n ");
81 str.erase(0, str.find_first_not_of(blanks));
82 str.erase(str.find_last_not_of(blanks) + sizeof(char));
83 }
84 } // namespace HiviewDFX
85 } // namespace OHOS
86 #endif
87