Refactor Input/Output file to use const char* instead of standard string, and to use parent_folder and file_name for input and output files. This also incorporates the move from nearby_connections to nearby.

PiperOrigin-RevId: 418002199

cpp/platform/base/BUILD

@@ -29,7 +29,6 @@ cc_library(
         "bluetooth_utils.h",
         "byte_array.h",
         "callable.h",
-        "core_config.h",
         "exception.h",
         "feature_flags.h",
         "input_stream.h",

cpp/platform/base/core_config.h

@@ -1,38 +0,0 @@
-// Copyright 2020 Google LLC
-//
-// 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
-//
-//     https://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 CORE_CONFIG_H_
-#define CORE_CONFIG_H_
-
-namespace location {
-namespace nearby {
-namespace connections {
-
-#ifdef _WIN32  // These storage class specifiers only matter to win32 dll
-               // builds.
-#ifdef CORE_ADAPTER_DLL
-#define DLL_API \
-  __declspec(dllexport)  // If we're building the core, we're exporting.
-#else                    // !CORE_ADAPTER_DLL
-#define DLL_API \
-  __declspec(dllimport)  // If we're not building the core, we're importing.
-#endif                   // CORE_ADAPTER_DLL
-#else                    // !_WIN32
-#define DLL_API  // We're not building a win32 dll, leave the source unchanged.
-#endif           // _WIN32
-
-}  // namespace connections
-}  // namespace nearby
-}  // namespace location
-
-#endif  // CORE_CONFIG_H_