1/* Copyright 2017 The TensorFlow Authors. All Rights Reserved.
2
3Licensed under the Apache License, Version 2.0 (the "License");
4you may not use this file except in compliance with the License.
5You may obtain a copy of the License at
6
7 http://www.apache.org/licenses/LICENSE-2.0
8
9Unless required by applicable law or agreed to in writing, software
10distributed under the License is distributed on an "AS IS" BASIS,
11WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12See the License for the specific language governing permissions and
13limitations under the License.
14==============================================================================*/
15
16#include "tensorflow/tools/graph_transforms/file_utils.h"
17
18#include "tensorflow/core/platform/env.h"
19
20namespace tensorflow {
21namespace graph_transforms {
22
23Status LoadTextOrBinaryGraphFile(const string& file_name, GraphDef* graph_def) {
24 string file_data;
25 Status load_file_status =
26 ReadFileToString(Env::Default(), file_name, &file_data);
27 if (!load_file_status.ok()) {
28 errors::AppendToMessage(&load_file_status, " (for file ", file_name, ")");
29 return load_file_status;
30 }
31 // Try to load in binary format first, and then try ascii if that fails.
32 Status load_status = ReadBinaryProto(Env::Default(), file_name, graph_def);
33 if (!load_status.ok()) {
34 if (protobuf::TextFormat::ParseFromString(file_data, graph_def)) {
35 load_status = OkStatus();
36 } else {
37 errors::AppendToMessage(&load_status,
38 " (both text and binary parsing failed for file ",
39 file_name, ")");
40 }
41 }
42 return load_status;
43}
44
45} // namespace graph_transforms
46} // namespace tensorflow
47