1 /*
2 * Copyright (c) 2022 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 ARKCOMPILER_TOOLCHAIN_WEBSOCKET_STRING_UTILS_H
17 #define ARKCOMPILER_TOOLCHAIN_WEBSOCKET_STRING_UTILS_H
18
19 #include <algorithm>
20 #include <cctype>
21 #include <string>
22
23 namespace OHOS::ArkCompiler::Toolchain {
24 // all cctype function arguments must be representable as unsigned char
TrimLeft(std::string & str)25 inline void TrimLeft(std::string &str)
26 {
27 str.erase(str.begin(), std::find_if(str.begin(), str.end(), [](unsigned char ch) { return !std::isspace(ch); }));
28 }
29
TrimRight(std::string & str)30 inline void TrimRight(std::string &str)
31 {
32 str.erase(std::find_if(str.rbegin(), str.rend(), [](unsigned char ch) { return !std::isspace(ch); }).base(),
33 str.end());
34 }
35
Trim(std::string & str)36 inline void Trim(std::string &str)
37 {
38 TrimLeft(str);
39 TrimRight(str);
40 }
41
ToLowerCase(std::string & str)42 inline void ToLowerCase(std::string& str)
43 {
44 std::transform(str.begin(), str.end(), str.begin(), [](unsigned char c) { return std::tolower(c); });
45 }
46 } // namespace OHOS::ArkCompiler::Toolchain
47
48 #endif // ARKCOMPILER_TOOLCHAIN_WEBSOCKET_STRING_UTILS_H
49
50