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72 lines
2.4 KiB
72 lines
2.4 KiB
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "utils/intents/zlib-utils.h"
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#include <memory>
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#include "utils/base/logging.h"
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#include "utils/zlib/buffer_generated.h"
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#include "utils/zlib/zlib.h"
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namespace libtextclassifier3 {
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bool CompressIntentModel(IntentFactoryModelT* intent_model) {
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std::unique_ptr<ZlibCompressor> intent_zlib_compressor =
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ZlibCompressor::Instance();
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for (auto& generator : intent_model->generator) {
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generator->compressed_lua_template_generator.reset(new CompressedBufferT);
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intent_zlib_compressor->Compress(
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std::string(reinterpret_cast<const char*>(
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generator->lua_template_generator.data()),
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generator->lua_template_generator.size()),
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generator->compressed_lua_template_generator.get());
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generator->lua_template_generator.clear();
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}
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return true;
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}
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bool DecompressIntentModel(IntentFactoryModelT* intent_model) {
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std::unique_ptr<ZlibDecompressor> zlib_decompressor =
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ZlibDecompressor::Instance();
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if (!zlib_decompressor) {
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TC3_LOG(ERROR) << "Cannot initialize decompressor.";
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return false;
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}
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for (std::unique_ptr<IntentFactoryModel_::IntentGeneratorT>& generator :
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intent_model->generator) {
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if (generator->compressed_lua_template_generator == nullptr) {
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continue;
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}
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std::string lua_template_generator;
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if (!zlib_decompressor->MaybeDecompress(
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generator->compressed_lua_template_generator.get(),
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&lua_template_generator)) {
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TC3_LOG(ERROR) << "Cannot decompress intent template.";
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return false;
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}
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generator->lua_template_generator = std::vector<uint8_t>(
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lua_template_generator.begin(), lua_template_generator.end());
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generator->compressed_lua_template_generator.reset(nullptr);
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}
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return true;
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}
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} // namespace libtextclassifier3
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