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 #include "parting_string.h" 17 #include <utility> 18 19 namespace SysTuning { 20 namespace base { PartingString(std::string str,char delimiter)21PartingString::PartingString(std::string str, char delimiter) : str_(std::move(str)), delimiter_(delimiter) 22 { 23 begin_ = str_.begin(); 24 end_ = str_.end(); 25 cur_ = nullptr; 26 } 27 Next()28bool PartingString::Next() 29 { 30 while (begin_ != end_) { 31 if (*begin_ == delimiter_) { 32 begin_++; 33 continue; 34 } 35 36 cur_ = begin_.base(); 37 do { 38 if (*begin_ == delimiter_) { 39 *(begin_++) = '\0'; 40 break; 41 } 42 if (*begin_ == '\0') { 43 begin_ = end_; 44 break; 45 } 46 } while (begin_++ != end_); 47 48 if (*cur_) { 49 return true; 50 } 51 52 begin_++; 53 } 54 55 cur_ = nullptr; 56 return false; 57 } 58 } // namespace base 59 } // namespace SysTuning 60