1 | /* Copyright 2019 The TensorFlow Authors. All Rights Reserved. |
2 | |
3 | Licensed under the Apache License, Version 2.0 (the "License"); |
4 | you may not use this file except in compliance with the License. |
5 | You may obtain a copy of the License at |
6 | |
7 | http://www.apache.org/licenses/LICENSE-2.0 |
8 | |
9 | Unless required by applicable law or agreed to in writing, software |
10 | distributed under the License is distributed on an "AS IS" BASIS, |
11 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | See the License for the specific language governing permissions and |
13 | limitations under the License. |
14 | ==============================================================================*/ |
15 | #include "tensorflow/core/data/name_utils.h" |
16 | |
17 | #include "absl/strings/str_join.h" |
18 | |
19 | namespace tensorflow { |
20 | namespace data { |
21 | namespace name_utils { |
22 | |
23 | ABSL_CONST_INIT const char kDelimiter[] = "::" ; |
24 | ABSL_CONST_INIT const char kDefaultDatasetDebugStringPrefix[] = "" ; |
25 | |
26 | constexpr char kDataset[] = "Dataset" ; |
27 | constexpr char kOp[] = "Op" ; |
28 | constexpr char kVersion[] = "V" ; |
29 | |
30 | string OpName(const string& dataset_type) { |
31 | return OpName(dataset_type, OpNameParams()); |
32 | } |
33 | |
34 | string OpName(const string& dataset_type, const OpNameParams& params) { |
35 | if (params.op_version == 1) { |
36 | return strings::StrCat(dataset_type, kDataset); |
37 | } |
38 | return strings::StrCat(dataset_type, kDataset, kVersion, params.op_version); |
39 | } |
40 | |
41 | string ArgsToString(const std::vector<string>& args) { |
42 | if (args.empty()) { |
43 | return "" ; |
44 | } |
45 | return strings::StrCat("(" , absl::StrJoin(args, ", " ), ")" ); |
46 | } |
47 | |
48 | string DatasetDebugString(const string& dataset_type) { |
49 | return DatasetDebugString(dataset_type, DatasetDebugStringParams()); |
50 | } |
51 | |
52 | string DatasetDebugString(const string& dataset_type, |
53 | const DatasetDebugStringParams& params) { |
54 | OpNameParams op_name_params; |
55 | op_name_params.op_version = params.op_version; |
56 | string op_name = OpName(dataset_type, op_name_params); |
57 | return strings::StrCat(op_name, kOp, ArgsToString(params.args), kDelimiter, |
58 | params.dataset_prefix, kDataset); |
59 | } |
60 | |
61 | string IteratorPrefix(const string& dataset_type, const string& prefix) { |
62 | return IteratorPrefix(dataset_type, prefix, IteratorPrefixParams()); |
63 | } |
64 | |
65 | string IteratorPrefix(const string& dataset_type, const string& prefix, |
66 | const IteratorPrefixParams& params) { |
67 | if (params.op_version == 1) { |
68 | return strings::StrCat(prefix, kDelimiter, params.dataset_prefix, |
69 | dataset_type); |
70 | } |
71 | return strings::StrCat(prefix, kDelimiter, params.dataset_prefix, |
72 | dataset_type, kVersion, params.op_version); |
73 | } |
74 | |
75 | } // namespace name_utils |
76 | } // namespace data |
77 | } // namespace tensorflow |
78 | |