1 /* 2 * Copyright (c) 2021 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 NATIVE_RDB_STRINGUTILS_H 17 #define NATIVE_RDB_STRINGUTILS_H 18 19 #include <string> 20 #include <vector> 21 22 namespace OHOS { 23 namespace NativeRdb { 24 class StringUtils { 25 public: 26 static std::string SurroundWithQuote(const std::string &value, const std::string "e); 27 static std::string SurroundWithFunction( 28 const std::string &function, const std::string &separator, const std::vector<std::string> &array); 29 30 static std::vector<std::string> Split(const std::string &str, const std::string &delim); IsEmpty(std::string source)31 static bool IsEmpty(std::string source) 32 { 33 return (source.empty()); 34 } 35 Trim(const std::string & source)36 static std::string Trim(const std::string &source) 37 { 38 if (source.empty()) { 39 return ""; 40 } 41 std::string replaceResult = source; 42 replaceResult.erase(0, replaceResult.find_first_not_of(" ")); 43 replaceResult.erase(replaceResult.find_last_not_of(" ") + 1); 44 return source; 45 } 46 47 private: 48 StringUtils(); 49 ~StringUtils(); 50 }; 51 } // namespace NativeRdb 52 } // namespace OHOS 53 54 #endif