Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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 | |
Adam Lesinski | 4670805 | 2017-09-29 14:49:15 -0700 | [diff] [blame] | 17 | #ifndef AAPT_FORMAT_BINARY_TABLEFLATTENER_H |
| 18 | #define AAPT_FORMAT_BINARY_TABLEFLATTENER_H |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 19 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 20 | #include "android-base/macros.h" |
| 21 | |
| 22 | #include "ResourceTable.h" |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 23 | #include "process/IResourceTableConsumer.h" |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 24 | #include "util/BigBuffer.h" |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 25 | |
| 26 | namespace aapt { |
| 27 | |
Adam Lesinski | c8f71aa | 2017-02-08 07:03:50 -0800 | [diff] [blame] | 28 | // The percentage of used entries for a type for which using a sparse encoding is |
| 29 | // preferred. |
| 30 | constexpr const size_t kSparseEncodingThreshold = 60; |
| 31 | |
| 32 | struct TableFlattenerOptions { |
| 33 | // When true, types for configurations with a sparse set of entries are encoded |
| 34 | // as a sparse map of entry ID and offset to actual data. |
| 35 | // This is only available on platforms O+ and will only be respected when |
| 36 | // minSdk is O+. |
| 37 | bool use_sparse_entries = false; |
Luke Nicholson | b064330 | 2017-12-01 15:29:03 -0800 | [diff] [blame] | 38 | |
| 39 | // When true, the key string pool in the final ResTable |
| 40 | // is collapsed to a single entry. All resource entries |
| 41 | // have name indices that point to this single value |
| 42 | bool collapse_key_stringpool = false; |
| 43 | |
| 44 | // Set of whitelisted resource names to avoid altering in key stringpool |
| 45 | std::set<std::string> whitelisted_resources; |
Adam Lesinski | c8f71aa | 2017-02-08 07:03:50 -0800 | [diff] [blame] | 46 | }; |
| 47 | |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 48 | class TableFlattener : public IResourceTableConsumer { |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 49 | public: |
Adam Lesinski | c8f71aa | 2017-02-08 07:03:50 -0800 | [diff] [blame] | 50 | explicit TableFlattener(const TableFlattenerOptions& options, BigBuffer* buffer) |
Adam Lesinski | 4670805 | 2017-09-29 14:49:15 -0700 | [diff] [blame] | 51 | : options_(options), buffer_(buffer) { |
| 52 | } |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 53 | |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 54 | bool Consume(IAaptContext* context, ResourceTable* table) override; |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 55 | |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 56 | private: |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 57 | DISALLOW_COPY_AND_ASSIGN(TableFlattener); |
| 58 | |
Adam Lesinski | c8f71aa | 2017-02-08 07:03:50 -0800 | [diff] [blame] | 59 | TableFlattenerOptions options_; |
Adam Lesinski | ce5e56e | 2016-10-21 17:56:45 -0700 | [diff] [blame] | 60 | BigBuffer* buffer_; |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 61 | }; |
| 62 | |
Adam Lesinski | cacb28f | 2016-10-19 12:18:14 -0700 | [diff] [blame] | 63 | } // namespace aapt |
Adam Lesinski | 1ab598f | 2015-08-14 14:26:04 -0700 | [diff] [blame] | 64 | |
Adam Lesinski | 4670805 | 2017-09-29 14:49:15 -0700 | [diff] [blame] | 65 | #endif /* AAPT_FORMAT_BINARY_TABLEFLATTENER_H */ |