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3e71302ba4
This work was done over ~80 individual commits in the `cmake` branch, which are now being merged back into `main`. As a roll-up commit, it is too big to be reviewable, but each change was reviewed individually in context of the `cmake` branch. After this, the `cmake` branch will be renamed `cmake-porting-history` and preserved. --------- Co-authored-by: Geoff Jukes <geoffjukes@users.noreply.github.com> Co-authored-by: Bartek Zdanowski <bartek.zdanowski@gmail.com> Co-authored-by: Carlos Bentzen <cadubentzen@gmail.com> Co-authored-by: Dennis E. Mungai <2356871+Brainiarc7@users.noreply.github.com> Co-authored-by: Cosmin Stejerean <cstejerean@gmail.com> Co-authored-by: Carlos Bentzen <carlos.bentzen@bitmovin.com> Co-authored-by: Cosmin Stejerean <cstejerean@meta.com> Co-authored-by: Cosmin Stejerean <cosmin@offbytwo.com>
34 lines
929 B
C++
34 lines
929 B
C++
// Copyright 2022 Google LLC. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#ifndef PACKAGER_FLAG_SAVER_H_
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#define PACKAGER_FLAG_SAVER_H_
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#include <absl/flags/flag.h>
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namespace shaka {
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/// A replacement for gflags' FlagSaver, which is used in testing.
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/// A FlagSaver is an RAII object to save and restore the values of
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/// command-line flags during a test. Unlike the gflags version, flags to be
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/// saved and restored must be listed explicitly.
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template <typename T>
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class FlagSaver {
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public:
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FlagSaver(absl::Flag<T>* flag)
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: flag_(flag), original_value_(absl::GetFlag(*flag)) {}
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~FlagSaver() { absl::SetFlag(flag_, original_value_); }
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private:
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absl::Flag<T>* flag_; // unowned
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T original_value_;
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};
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} // namespace shaka
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#endif // PACKAGER_FLAG_SAVER_H_
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