173dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe/* 273dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe * Copyright (C) 2015 The Android Open Source Project 373dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe * 473dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe * Licensed under the Apache License, Version 2.0 (the "License"); 573dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe * you may not use this file except in compliance with the License. 673dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe * You may obtain a copy of the License at 773dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe * 873dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe * http://www.apache.org/licenses/LICENSE-2.0 973dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe * 1073dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe * Unless required by applicable law or agreed to in writing, software 1173dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe * distributed under the License is distributed on an "AS IS" BASIS, 1273dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1373dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe * See the License for the specific language governing permissions and 1473dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe * limitations under the License. 1573dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe */ 1673dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe 1773dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe#ifndef ART_OTAPREOPT_STRING_HELPERS_H_ 1873dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe#define ART_OTAPREOPT_STRING_HELPERS_H_ 1973dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe 2073dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe#include <sstream> 2173dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe#include <string> 2273dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe 2373dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe#include <android-base/macros.h> 2473dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe 2573dae11162aa61396c06cbdb05b954764e944e02Andreas Gampenamespace android { 2673dae11162aa61396c06cbdb05b954764e944e02Andreas Gampenamespace installd { 2773dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe 2873dae11162aa61396c06cbdb05b954764e944e02Andreas Gampestatic inline bool StringStartsWith(const std::string& target, 2973dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe const char* prefix) { 3073dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe return target.compare(0, strlen(prefix), prefix) == 0; 3173dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe} 3273dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe 3373dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe// Split the input according to the separator character. Doesn't honor quotation. 3473dae11162aa61396c06cbdb05b954764e944e02Andreas Gampestatic inline std::vector<std::string> Split(const std::string& in, const char separator) { 3573dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe if (in.empty()) { 3673dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe return std::vector<std::string>(); 3773dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe } 3873dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe 3973dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe std::vector<std::string> ret; 4073dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe std::stringstream strstr(in); 4173dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe std::string token; 4273dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe 4373dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe while (std::getline(strstr, token, separator)) { 4473dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe ret.push_back(token); 4573dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe } 4673dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe 4773dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe return ret; 4873dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe} 4973dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe 5073dae11162aa61396c06cbdb05b954764e944e02Andreas Gampetemplate <typename StringT> 5173dae11162aa61396c06cbdb05b954764e944e02Andreas Gampestatic inline std::string Join(const std::vector<StringT>& strings, char separator) { 5273dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe if (strings.empty()) { 5373dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe return ""; 5473dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe } 5573dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe 5673dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe std::string result(strings[0]); 5773dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe for (size_t i = 1; i < strings.size(); ++i) { 5873dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe result += separator; 5973dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe result += strings[i]; 6073dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe } 6173dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe return result; 6273dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe} 6373dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe 6473dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe} // namespace installd 6573dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe} // namespace android 6673dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe 6773dae11162aa61396c06cbdb05b954764e944e02Andreas Gampe#endif // ART_OTAPREOPT_STRING_HELPERS_H_ 68