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(std::string value, std::string quote); 27 static std::string SurroundWithFunction( 28 std::string function, std::string separator, std::vector<std::string> array); IsEmpty(std::string source)29 static bool IsEmpty(std::string source) 30 { 31 return (source.empty()); 32 } 33 Trim(const std::string & source)34 static std::string Trim(const std::string &source) 35 { 36 if (source.empty()) { 37 return ""; 38 } 39 std::string replaceResult = source; 40 replaceResult.erase(0, replaceResult.find_first_not_of(" ")); 41 replaceResult.erase(replaceResult.find_last_not_of(" ") + 1); 42 return source; 43 } 44 45 private: 46 StringUtils(); 47 ~StringUtils(); 48 }; 49 } // namespace NativeRdb 50 } // namespace OHOS 51 52 #endif