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| author | Dan Sinclair <dsinclair@chromium.org> | 2017-09-21 14:51:57 -0400 |
|---|---|---|
| committer | Chromium commit bot <commit-bot@chromium.org> | 2017-09-21 19:16:29 +0000 |
| commit | b89669975f6156fce4ced5c8998125a845f8e7dc (patch) | |
| tree | 185c2badc52530ec1baddb854824bc5891e476a1 /core/fxcrt/autorestorer.h | |
| parent | db0312e6acd7cc15fef0f64e05bd463cb74c70e4 (diff) | |
| download | pdfium-b89669975f6156fce4ced5c8998125a845f8e7dc.tar.xz | |
Move CFX_AutoRestorer to fxcrt::AutoRestorer
This CL renames CFX_AutoRestorer to just AutoRestorer and places in the
fxcrt namespace.
Bug: pdfium:898
Change-Id: Id9f36df94e95f3b2a55054bc198ca1bfd249ee3d
Reviewed-on: https://pdfium-review.googlesource.com/14450
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Diffstat (limited to 'core/fxcrt/autorestorer.h')
| -rw-r--r-- | core/fxcrt/autorestorer.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/core/fxcrt/autorestorer.h b/core/fxcrt/autorestorer.h new file mode 100644 index 0000000000..745a56fff2 --- /dev/null +++ b/core/fxcrt/autorestorer.h @@ -0,0 +1,26 @@ +// Copyright 2017 PDFium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef CORE_FXCRT_AUTORESTORER_H_ +#define CORE_FXCRT_AUTORESTORER_H_ + +namespace fxcrt { + +template <typename T> +class AutoRestorer { + public: + explicit AutoRestorer(T* location) + : m_Location(location), m_OldValue(*location) {} + ~AutoRestorer() { *m_Location = m_OldValue; } + + private: + T* const m_Location; + const T m_OldValue; +}; + +} // namespace fxcrt + +using fxcrt::AutoRestorer; + +#endif // CORE_FXCRT_AUTORESTORER_H_ |