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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 #include "common/memory_image/in-memory-model-data.h"
18 
19 #include "common/file-utils.h"
20 #include "common/memory_image/memory-image-common.h"
21 #include "util/base/logging.h"
22 #include "util/strings/stringpiece.h"
23 
24 namespace libtextclassifier {
25 namespace nlp_core {
26 
27 const char InMemoryModelData::kTaskSpecDataStoreEntryName[] = "TASK-SPEC-#@";
28 const char InMemoryModelData::kFilePatternPrefix[] = "in-mem-model::";
29 
GetTaskSpec(TaskSpec * task_spec) const30 bool InMemoryModelData::GetTaskSpec(TaskSpec *task_spec) const {
31   DataBlobView blob = data_store_.GetData(kTaskSpecDataStoreEntryName);
32   if (blob.data() == nullptr) {
33     TC_LOG(ERROR) << "Can't find data blob for TaskSpec, i.e., entry "
34                   << kTaskSpecDataStoreEntryName;
35     return false;
36   }
37   bool parse_status = file_utils::ParseProtoFromMemory(
38       blob.to_stringpiece(), task_spec);
39   if (!parse_status) {
40     TC_LOG(ERROR) << "Error parsing TaskSpec";
41     return false;
42   }
43   return true;
44 }
45 
GetBytesForInputFile(const std::string & file_name) const46 StringPiece InMemoryModelData::GetBytesForInputFile(
47     const std::string &file_name) const {
48   // TODO(salcianu): replace our DataBlobView with StringPiece everywhere.
49   DataBlobView blob = data_store_.GetData(file_name);
50   return StringPiece(reinterpret_cast<const char *>(blob.data()),
51                      blob.size());
52 }
53 
54 }  // namespace nlp_core
55 }  // namespace libtextclassifier
56