| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ART_OTAPREOPT_STRING_HELPERS_H_ |
| #define ART_OTAPREOPT_STRING_HELPERS_H_ |
| |
| #include <sstream> |
| #include <string> |
| |
| #include <android-base/macros.h> |
| |
| namespace android { |
| namespace installd { |
| |
| static inline bool StringStartsWith(const std::string& target, |
| const char* prefix) { |
| return target.compare(0, strlen(prefix), prefix) == 0; |
| } |
| |
| // Split the input according to the separator character. Doesn't honor quotation. |
| static inline std::vector<std::string> Split(const std::string& in, const char separator) { |
| if (in.empty()) { |
| return std::vector<std::string>(); |
| } |
| |
| std::vector<std::string> ret; |
| std::stringstream strstr(in); |
| std::string token; |
| |
| while (std::getline(strstr, token, separator)) { |
| ret.push_back(token); |
| } |
| |
| return ret; |
| } |
| |
| template <typename StringT> |
| static inline std::string Join(const std::vector<StringT>& strings, char separator) { |
| if (strings.empty()) { |
| return ""; |
| } |
| |
| std::string result(strings[0]); |
| for (size_t i = 1; i < strings.size(); ++i) { |
| result += separator; |
| result += strings[i]; |
| } |
| return result; |
| } |
| |
| } // namespace installd |
| } // namespace android |
| |
| #endif // ART_OTAPREOPT_STRING_HELPERS_H_ |