58 lines
2.1 KiB
C++
58 lines
2.1 KiB
C++
/* Copyright 2015 The TensorFlow Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==============================================================================*/
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#ifndef TENSORFLOW_STREAM_EXECUTOR_LIB_PATH_H_
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#define TENSORFLOW_STREAM_EXECUTOR_LIB_PATH_H_
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#include "absl/strings/string_view.h"
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#include "tensorflow/stream_executor/platform/port.h"
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namespace stream_executor {
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namespace port {
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namespace internal {
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// TODO(rspringer): Move to cc/implementation file.
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// Not part of the public API.
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std::string JoinPathImpl(std::initializer_list<absl::string_view> paths);
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} // namespace internal
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// Join multiple paths together.
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// JoinPath unconditionally joins all paths together. For example:
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//
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// Arguments | JoinPath
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// ---------------------------+---------------------
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// '/foo', 'bar' | /foo/bar
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// '/foo/', 'bar' | /foo/bar
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// '/foo', '/bar' | /foo/bar
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// '/foo', '/bar', '/baz' | /foo/bar/baz
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//
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// All paths will be treated as relative paths, regardless of whether or not
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// they start with a leading '/'. That is, all paths will be concatenated
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// together, with the appropriate path separator inserted in between.
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// Arguments must be convertible to absl::string_view.
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//
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// Usage:
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// string path = file::JoinPath("/var/log", dirname, filename);
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// string path = file::JoinPath(FLAGS_test_srcdir, filename);
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template <typename... T>
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inline std::string JoinPath(const T&... args) {
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return internal::JoinPathImpl({args...});
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}
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} // namespace port
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} // namespace stream_executor
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#endif // TENSORFLOW_STREAM_EXECUTOR_LIB_PATH_H_
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