1 /* 2 * Copyright (C) 2018 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 // Functions to compress and decompress low entropy entries in the model. 18 19 #ifndef LIBTEXTCLASSIFIER_ACTIONS_ZLIB_UTILS_H_ 20 #define LIBTEXTCLASSIFIER_ACTIONS_ZLIB_UTILS_H_ 21 22 #include "actions/actions_model_generated.h" 23 #include "utils/zlib/buffer_generated.h" 24 #include "utils/zlib/zlib.h" 25 26 namespace libtextclassifier3 { 27 28 // Compresses regex rules in the model in place. 29 bool CompressActionsModel(ActionsModelT* model); 30 31 // Decompresses regex rules in the model in place. 32 bool DecompressActionsModel(ActionsModelT* model); 33 34 // Compresses regex rules in the model. 35 std::string CompressSerializedActionsModel(const std::string& model); 36 37 bool GetUncompressedString(const flatbuffers::String* uncompressed_buffer, 38 const CompressedBuffer* compressed_buffer, 39 ZlibDecompressor* decompressor, std::string* out); 40 41 } // namespace libtextclassifier3 42 43 #endif // LIBTEXTCLASSIFIER_ACTIONS_ZLIB_UTILS_H_ 44