8f2828c4b4
ccdbb5941 Export of internal Abseil changes 01f5f81f9 Export of internal Abseil changes 2c92bdc7c Export of internal Abseil changes e7ebf9803 Export of internal Abseil changes 2eba343b5 Export of internal Abseil changes a8b03d90e Export of internal Abseil changes 1d31b5c36 Export of internal Abseil changes da3a87690 Export of internal Abseil changes 8faf20461 Exclude empty directories (#697) 2069dc796 Export of internal Abseil changes 4832bf6bf Added a BUILD file in root to expose license. (#695) af8f994af Export of internal Abseil changes 33caf1097 Export of internal Abseil changes cf1a02e2d Export of internal Abseil changes git-subtree-dir: third_party/abseil_cpp git-subtree-split: ccdbb5941f992fabda7eae3ce72f55efc17c826a
62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
//
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// Copyright 2019 The Abseil Authors.
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//
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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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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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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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#ifndef ABSL_FLAGS_INTERNAL_PATH_UTIL_H_
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#define ABSL_FLAGS_INTERNAL_PATH_UTIL_H_
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#include "absl/base/config.h"
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#include "absl/strings/string_view.h"
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namespace absl {
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ABSL_NAMESPACE_BEGIN
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namespace flags_internal {
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// A portable interface that returns the basename of the filename passed as an
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// argument. It is similar to basename(3)
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// <https://linux.die.net/man/3/basename>.
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// For example:
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// flags_internal::Basename("a/b/prog/file.cc")
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// returns "file.cc"
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// flags_internal::Basename("file.cc")
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// returns "file.cc"
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inline absl::string_view Basename(absl::string_view filename) {
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auto last_slash_pos = filename.find_last_of("/\\");
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return last_slash_pos == absl::string_view::npos
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? filename
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: filename.substr(last_slash_pos + 1);
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}
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// A portable interface that returns the directory name of the filename
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// passed as an argument, including the trailing slash.
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// Returns the empty string if a slash is not found in the input file name.
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// For example:
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// flags_internal::Package("a/b/prog/file.cc")
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// returns "a/b/prog/"
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// flags_internal::Package("file.cc")
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// returns ""
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inline absl::string_view Package(absl::string_view filename) {
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auto last_slash_pos = filename.find_last_of("/\\");
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return last_slash_pos == absl::string_view::npos
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? absl::string_view()
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: filename.substr(0, last_slash_pos + 1);
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}
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} // namespace flags_internal
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ABSL_NAMESPACE_END
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} // namespace absl
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#endif // ABSL_FLAGS_INTERNAL_PATH_UTIL_H_
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