Wiring existing targets under tensorflow/core/lib/io into tensorflow/core/BUILD.

This change also swaps existing tensorflow/core/lib/io targets to use tf/core/platform's string libraries instead.

PiperOrigin-RevId: 275555667
Change-Id: I66ea922401b487623888a8a3e80011f5dcd06234

tensorflow/core/BUILD

@@ -2238,7 +2238,7 @@ cc_library(
         "//tensorflow/core/platform:legacy_monitoring_srcs",
         "//tensorflow/core/platform:legacy_platform_lib_srcs",
         "//tensorflow/core/platform:legacy_lib_internal_srcs",
-        "//tensorflow/core/lib/io:legacy_lib_io_all_srcs",
+        "//tensorflow/core/lib/io:legacy_lib_internal_impl_srcs",
         "//tensorflow/core/lib/random:legacy_lib_random_all_srcs",
         "//tensorflow/core/lib/strings:legacy_lib_strings_all_srcs",
     ],
@@ -2282,6 +2282,12 @@ cc_library(
         "//tensorflow/core/lib/gtl:top_n",
         "//tensorflow/core/lib/hash:crc32c",
         "//tensorflow/core/lib/hash:hash",
+        "//tensorflow/core/lib/io:compression",
+        "//tensorflow/core/lib/io:inputstream_interface",
+        "//tensorflow/core/lib/io:iterator",
+        "//tensorflow/core/lib/io:path",
+        "//tensorflow/core/lib/io:proto_encode_helper",
+        "//tensorflow/core/lib/io:table_options",
         "//tensorflow/core/lib/math:math_util",
         "//tensorflow/core/platform:abi",
         "//tensorflow/core/platform:annotation",

tensorflow/core/lib/io/BUILD

@@ -1,11 +1,8 @@
 package(
     default_visibility = [
-        "//tensorflow/core/lib/core:__pkg__",
-        "//tensorflow/core/lib/gtl:__pkg__",
-        "//tensorflow/core/lib/hash:__pkg__",
-        "//tensorflow/core/lib/io:__pkg__",
-        "//tensorflow/core/lib/random:__pkg__",
-        "//tensorflow/core/lib/strings:__pkg__",
+        # tensorflow/core:lib effectively exposes all targets under tensorflow/core/lib/**
+        "//tensorflow/core:__pkg__",
+        # tensorflow/core/platform:env uses :path
         "//tensorflow/core/platform:__pkg__",
     ],
     licenses = ["notice"],  # Apache 2.0
@@ -17,6 +14,9 @@ package(
 # snappy/snappy_outputbuffer, table, table_builder, two_level_iterator,
 # zlib_inputstream, zlib_outputbuffer, zlib_compression_options, and all tests.
 
+# Note(bmzhao): After tensorflow/core/platform:env is fully integrated into
+# tensorflow/core/BUILD, we can finish adding the rest of the targets in this package.
+
 cc_library(
     name = "compression",
     srcs = ["compression.cc"],
@@ -41,7 +41,7 @@ cc_library(
     hdrs = ["iterator.h"],
     deps = [
         "//tensorflow/core/lib/core:status",
-        "//tensorflow/core/lib/core:stringpiece",
+        "//tensorflow/core/platform:stringpiece",
     ],
 )
 
@@ -50,11 +50,11 @@ cc_library(
     srcs = ["path.cc"],
     hdrs = ["path.h"],
     deps = [
-        "//tensorflow/core/lib/core:stringpiece",
-        "//tensorflow/core/lib/strings:scanner",
-        "//tensorflow/core/lib/strings:string_utils",
         "//tensorflow/core/platform:logging",
         "//tensorflow/core/platform:mutex",
+        "//tensorflow/core/platform:scanner",
+        "//tensorflow/core/platform:strcat",
+        "//tensorflow/core/platform:stringpiece",
         "//tensorflow/core/platform:types",
     ],
 )
@@ -64,8 +64,8 @@ cc_library(
     hdrs = ["proto_encode_helper.h"],
     deps = [
         "//tensorflow/core/lib/core:coding",
-        "//tensorflow/core/lib/core:stringpiece",
         "//tensorflow/core/platform:protobuf",
+        "//tensorflow/core/platform:stringpiece",
     ],
 )
 
@@ -130,6 +130,29 @@ filegroup(
     visibility = ["//tensorflow/core:__pkg__"],
 )
 
+filegroup(
+    name = "legacy_lib_internal_impl_srcs",
+    srcs = [
+        "block.cc",
+        "block_builder.cc",
+        "buffered_inputstream.cc",
+        "format.cc",
+        "inputbuffer.cc",
+        "random_inputstream.cc",
+        "record_reader.cc",
+        "record_writer.cc",
+        "snappy/snappy_inputbuffer.cc",
+        "snappy/snappy_outputbuffer.cc",
+        "table.cc",
+        "table_builder.cc",
+        "two_level_iterator.cc",
+        "zlib_compression_options.cc",
+        "zlib_inputstream.cc",
+        "zlib_outputbuffer.cc",
+    ],
+    visibility = ["//tensorflow/core:__pkg__"],
+)
+
 filegroup(
     name = "legacy_lib_io_all_tests",
     srcs = [

tensorflow/core/lib/io/iterator.h

@@ -27,7 +27,7 @@ limitations under the License.
 #define TENSORFLOW_LIB_IO_ITERATOR_H_
 
 #include "tensorflow/core/lib/core/status.h"
-#include "tensorflow/core/lib/core/stringpiece.h"
+#include "tensorflow/core/platform/stringpiece.h"
 
 namespace tensorflow {
 namespace table {

tensorflow/core/lib/io/path.cc

@@ -26,10 +26,10 @@ limitations under the License.
 
 #include <vector>
 
-#include "tensorflow/core/lib/strings/scanner.h"
-#include "tensorflow/core/lib/strings/strcat.h"
 #include "tensorflow/core/platform/logging.h"
 #include "tensorflow/core/platform/mutex.h"
+#include "tensorflow/core/platform/scanner.h"
+#include "tensorflow/core/platform/strcat.h"
 
 namespace tensorflow {
 namespace io {

tensorflow/core/lib/io/path.h

@@ -16,7 +16,7 @@ limitations under the License.
 #ifndef TENSORFLOW_CORE_LIB_IO_PATH_H_
 #define TENSORFLOW_CORE_LIB_IO_PATH_H_
 
-#include "tensorflow/core/lib/core/stringpiece.h"
+#include "tensorflow/core/platform/stringpiece.h"
 #include "tensorflow/core/platform/types.h"
 
 namespace tensorflow {

tensorflow/core/lib/io/proto_encode_helper.h

@@ -17,8 +17,8 @@ limitations under the License.
 #define TENSORFLOW_CORE_LIB_IO_PROTO_ENCODE_HELPER_H_
 
 #include "tensorflow/core/lib/core/coding.h"
-#include "tensorflow/core/lib/core/stringpiece.h"
 #include "tensorflow/core/platform/protobuf.h"
+#include "tensorflow/core/platform/stringpiece.h"
 
 // A helper class for appending various kinds of values in protocol
 // buffer encoding format to a buffer.  The client gives a pointer to