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