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 STRING_UTILS_H
17 #define STRING_UTILS_H
18 
19 #include <initializer_list>
20 #include <sstream>
21 #include <string>
22 #include <vector>
23 
24 #include "bytes.h"
25 #include "distributed_object.h"
26 #include "logger.h"
27 #include "objectstore_errors.h"
28 
29 namespace OHOS::ObjectStore {
30 class StringUtils final {
31 public:
32     StringUtils() = delete;
33     ~StringUtils() = delete;
StrToBytes(const std::string & src)34     static std::vector<uint8_t> StrToBytes(const std::string &src)
35     {
36         std::vector<uint8_t> dst;
37         dst.resize(src.size());
38         dst.assign(src.begin(), src.end());
39         return dst;
40     }
41 
BytesToStr(const std::vector<uint8_t> src)42     static std::string BytesToStr(const std::vector<uint8_t> src)
43     {
44         std::string result;
45         Bytes rstStr(src.begin(), src.end());
46         result.assign(reinterpret_cast<char *>(rstStr.data()), rstStr.size());
47         return result;
48     }
BytesToStrWithType(Bytes input,std::string & str)49     static uint32_t BytesToStrWithType(Bytes input, std::string &str)
50     {
51         uint32_t len = input.end() - input.begin();
52         if (len <= sizeof(Type)) {
53             LOG_ERROR("StringUtils:BytesToStrWithType get input len err.");
54             return ERR_DATA_LEN;
55         }
56         std::vector<uint8_t>::const_iterator first = input.begin() + sizeof(Type);
57         std::vector<uint8_t>::const_iterator end = input.end();
58         Bytes rstStr(first, end);
59         str.assign(reinterpret_cast<char *>(rstStr.data()), rstStr.size());
60         return SUCCESS;
61     }
62 };
63 } // namespace OHOS::ObjectStore
64 #endif // STRING_UTILS_H
65