1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef AAPT2_ABISPLITTER_H 18 #define AAPT2_ABISPLITTER_H 19 20 #include <memory> 21 #include <string> 22 #include <unordered_set> 23 #include <vector> 24 25 #include "configuration/ConfigurationParser.h" 26 #include "filter/Filter.h" 27 28 namespace aapt { 29 30 /** 31 * Filters native library paths by ABI. ABIs present in the filter list are kept and all over 32 * libraries are removed. The filter is only applied to native library paths (this under lib/). 33 */ 34 class AbiFilter : public IPathFilter { 35 public: 36 /** Factory method to create a filter from a list of configuration::Abi. */ 37 static std::unique_ptr<AbiFilter> FromAbiList(const std::vector<configuration::Abi>& abi_list); 38 39 /** Returns true if the path is for a native library in the list of desired ABIs. */ 40 bool Keep(const std::string& path) override; 41 42 private: 43 explicit AbiFilter(std::unordered_set<std::string> abis) : abis_(std::move(abis)) { 44 } 45 46 /** The path prefix to where all native libs end up inside an APK file. */ 47 static constexpr const char* kLibPrefix = "lib/"; 48 static constexpr size_t kLibPrefixLen = 4; 49 const std::unordered_set<std::string> abis_; 50 }; 51 52 } // namespace aapt 53 54 #endif // AAPT2_ABISPLITTER_H 55