Move base64 from core/lib/strings to core/platform

PiperOrigin-RevId: 283249015
Change-Id: I7600a1743d9c9680b8d1960cde96a1c75cc2cdcc

tensorflow/core/lib/strings/BUILD

@@ -14,11 +14,9 @@ package(
 
 cc_library(
     name = "base64",
-    srcs = ["base64.cc"],
     hdrs = ["base64.h"],
     deps = [
-        "//tensorflow/core/lib/core:errors",
+        "//tensorflow/core/platform:base64",
-        "//tensorflow/core/lib/core:status",
     ],
 )
 
@@ -113,7 +111,6 @@ filegroup(
 filegroup(
     name = "legacy_lib_strings_all_srcs",
     srcs = [
-        "base64.cc",
         "ordered_code.cc",
         "proto_serialization.cc",
         "proto_text_util.cc",

tensorflow/core/lib/strings/base64.h

@@ -16,43 +16,6 @@ limitations under the License.
 #ifndef TENSORFLOW_CORE_LIB_STRINGS_BASE64_H_
 #define TENSORFLOW_CORE_LIB_STRINGS_BASE64_H_
 
-#include <string>
+#include "tensorflow/core/platform/base64.h"
-#include "tensorflow/core/lib/core/status.h"
-
-namespace tensorflow {
-
-/// \brief Converts data into web-safe base64 encoding.
-///
-/// See https://en.wikipedia.org/wiki/Base64
-template <typename T>
-Status Base64Encode(StringPiece source, bool with_padding, T* encoded);
-template <typename T>
-Status Base64Encode(StringPiece source,
-                    T* encoded);  // with_padding=false.
-
-/// \brief Converts data from web-safe base64 encoding.
-///
-/// See https://en.wikipedia.org/wiki/Base64
-template <typename T>
-Status Base64Decode(StringPiece data, T* decoded);
-
-// Explicit instantiations defined in base64.cc.
-extern template Status Base64Decode<string>(StringPiece data, string* decoded);
-extern template Status Base64Encode<string>(StringPiece source,
-                                            string* encoded);
-extern template Status Base64Encode<string>(StringPiece source,
-                                            bool with_padding, string* encoded);
-
-#ifdef USE_TSTRING
-extern template Status Base64Decode<tstring>(StringPiece data,
-                                             tstring* decoded);
-extern template Status Base64Encode<tstring>(StringPiece source,
-                                             tstring* encoded);
-extern template Status Base64Encode<tstring>(StringPiece source,
-                                             bool with_padding,
-                                             tstring* encoded);
-#endif  // USE_TSTRING
-
-}  // namespace tensorflow
 
 #endif  // TENSORFLOW_CORE_LIB_STRINGS_BASE64_H_

tensorflow/core/platform/BUILD

@@ -83,6 +83,16 @@ cc_library(
     deps = [":types"],
 )
 
+cc_library(
+    name = "base64",
+    srcs = ["base64.cc"],
+    hdrs = ["base64.h"],
+    deps = [
+        ":errors",
+        ":status",
+    ],
+)
+
 cc_library(
     name = "blocking_counter",
     hdrs = ["blocking_counter.h"],

tensorflow/core/platform/base64.cc

@@ -13,11 +13,11 @@ See the License for the specific language governing permissions and
 limitations under the License.
 ==============================================================================*/
 
-#include "tensorflow/core/lib/strings/base64.h"
+#include "tensorflow/core/platform/base64.h"
 
 #include <cstring>
 #include <memory>
-#include "tensorflow/core/lib/core/errors.h"
+#include "tensorflow/core/platform/errors.h"
 
 namespace tensorflow {
 namespace {

tensorflow/core/platform/base64.h

@@ -0,0 +1,58 @@
+/* Copyright 2016 The TensorFlow Authors. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+#ifndef TENSORFLOW_CORE_PLATFORM_BASE64_H_
+#define TENSORFLOW_CORE_PLATFORM_BASE64_H_
+
+#include <string>
+#include "tensorflow/core/platform/status.h"
+
+namespace tensorflow {
+
+/// \brief Converts data into web-safe base64 encoding.
+///
+/// See https://en.wikipedia.org/wiki/Base64
+template <typename T>
+Status Base64Encode(StringPiece source, bool with_padding, T* encoded);
+template <typename T>
+Status Base64Encode(StringPiece source,
+                    T* encoded);  // with_padding=false.
+
+/// \brief Converts data from web-safe base64 encoding.
+///
+/// See https://en.wikipedia.org/wiki/Base64
+template <typename T>
+Status Base64Decode(StringPiece data, T* decoded);
+
+// Explicit instantiations defined in base64.cc.
+extern template Status Base64Decode<string>(StringPiece data, string* decoded);
+extern template Status Base64Encode<string>(StringPiece source,
+                                            string* encoded);
+extern template Status Base64Encode<string>(StringPiece source,
+                                            bool with_padding, string* encoded);
+
+#ifdef USE_TSTRING
+extern template Status Base64Decode<tstring>(StringPiece data,
+                                             tstring* decoded);
+extern template Status Base64Encode<tstring>(StringPiece source,
+                                             tstring* encoded);
+extern template Status Base64Encode<tstring>(StringPiece source,
+                                             bool with_padding,
+                                             tstring* encoded);
+#endif  // USE_TSTRING
+
+}  // namespace tensorflow
+
+#endif  // TENSORFLOW_CORE_PLATFORM_BASE64_H_