1/* Copyright 2016 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#ifndef TENSORFLOW_CORE_EXAMPLE_EXAMPLE_PARSER_CONFIGURATION_H_
17#define TENSORFLOW_CORE_EXAMPLE_EXAMPLE_PARSER_CONFIGURATION_H_
18
19#include <string>
20#include <vector>
21
22#include "tensorflow/core/example/example.pb.h"
23#include "tensorflow/core/example/example_parser_configuration.pb.h"
24#include "tensorflow/core/framework/allocator.h"
25#include "tensorflow/core/framework/graph.pb.h"
26#include "tensorflow/core/framework/tensor.h"
27#include "tensorflow/core/framework/types.h"
28#include "tensorflow/core/platform/types.h"
29#include "tensorflow/core/public/session.h"
30#include "tensorflow/core/util/example_proto_helper.h"
31#include "tensorflow/core/util/sparse/sparse_tensor.h"
32
33// This is a set of helper methods that will make it possible to share
34// tensorflow::Example proto Tensor conversion code inside the ExampleParserOp
35// OpKernel as well as in external code.
36namespace tensorflow {
37
38// Given a graph and the node_name of a ParseExample op,
39// extract the FixedLenFeature/VarLenFeature configurations.
40Status ExtractExampleParserConfiguration(
41 const tensorflow::GraphDef& graph, const string& node_name,
42 tensorflow::Session* session,
43 std::vector<FixedLenFeature>* fixed_len_features,
44 std::vector<VarLenFeature>* var_len_features);
45
46// Given a config proto, ostensibly extracted via python,
47// fill a vector of C++ structs suitable for calling
48// the tensorflow.Example -> Tensor conversion code.
49Status ExampleParserConfigurationProtoToFeatureVectors(
50 const ExampleParserConfiguration& config_proto,
51 std::vector<FixedLenFeature>* fixed_len_features,
52 std::vector<VarLenFeature>* var_len_features);
53
54} // namespace tensorflow
55
56#endif // TENSORFLOW_CORE_EXAMPLE_EXAMPLE_PARSER_CONFIGURATION_H_
57