1 /* 2 * Copyright (C) 2016 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 AAPT_SPLIT_TABLESPLITTER_H 18 #define AAPT_SPLIT_TABLESPLITTER_H 19 20 #include "ConfigDescription.h" 21 #include "ResourceTable.h" 22 #include "filter/ConfigFilter.h" 23 #include "process/IResourceTableConsumer.h" 24 25 #include <android-base/macros.h> 26 #include <set> 27 #include <vector> 28 29 namespace aapt { 30 31 struct SplitConstraints { 32 std::set<ConfigDescription> configs; 33 }; 34 35 struct TableSplitterOptions { 36 /** 37 * The preferred density to keep in the table, stripping out all others. 38 */ 39 Maybe<uint16_t> preferredDensity; 40 41 /** 42 * Configuration filter that determines which resource configuration values end up in 43 * the final table. 44 */ 45 IConfigFilter* configFilter = nullptr; 46 }; 47 48 class TableSplitter { 49 public: TableSplitter(const std::vector<SplitConstraints> & splits,const TableSplitterOptions & options)50 TableSplitter(const std::vector<SplitConstraints>& splits, 51 const TableSplitterOptions& options) : 52 mSplitConstraints(splits), mPreferredDensity(options.preferredDensity), 53 mConfigFilter(options.configFilter) { 54 for (size_t i = 0; i < mSplitConstraints.size(); i++) { 55 mSplits.push_back(util::make_unique<ResourceTable>()); 56 } 57 } 58 59 bool verifySplitConstraints(IAaptContext* context); 60 61 void splitTable(ResourceTable* originalTable); 62 getSplits()63 const std::vector<std::unique_ptr<ResourceTable>>& getSplits() { 64 return mSplits; 65 } 66 67 private: 68 std::vector<SplitConstraints> mSplitConstraints; 69 std::vector<std::unique_ptr<ResourceTable>> mSplits; 70 Maybe<uint16_t> mPreferredDensity; 71 IConfigFilter* mConfigFilter; 72 73 DISALLOW_COPY_AND_ASSIGN(TableSplitter); 74 }; 75 76 } 77 78 #endif /* AAPT_SPLIT_TABLESPLITTER_H */ 79