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71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_FILES_SCOPED_TEMP_DIR_H_
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#define BASE_FILES_SCOPED_TEMP_DIR_H_
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// An object representing a temporary / scratch directory that should be
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// cleaned up (recursively) when this object goes out of scope. Since deletion
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// occurs during the destructor, no further error handling is possible if the
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// directory fails to be deleted. As a result, deletion is not guaranteed by
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// this class. (However note that, whenever possible, by default
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// CreateUniqueTempDir creates the directory in a location that is
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// automatically cleaned up on reboot, or at other appropriate times.)
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//
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// Multiple calls to the methods which establish a temporary directory
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// (CreateUniqueTempDir, CreateUniqueTempDirUnderPath, and Set) must have
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// intervening calls to Delete or Take, or the calls will fail.
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#include "base/files/file_path.h"
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#include "base/macros.h"
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namespace base {
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class ScopedTempDir {
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public:
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// No directory is owned/created initially.
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ScopedTempDir();
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// Recursively delete path.
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~ScopedTempDir();
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// Creates a unique directory in TempPath, and takes ownership of it.
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// See file_util::CreateNewTemporaryDirectory.
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bool CreateUniqueTempDir() WARN_UNUSED_RESULT;
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// Creates a unique directory under a given path, and takes ownership of it.
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bool CreateUniqueTempDirUnderPath(const FilePath& path) WARN_UNUSED_RESULT;
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// Takes ownership of directory at |path|, creating it if necessary.
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// Don't call multiple times unless Take() has been called first.
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bool Set(const FilePath& path) WARN_UNUSED_RESULT;
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// Deletes the temporary directory wrapped by this object.
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bool Delete() WARN_UNUSED_RESULT;
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// Caller takes ownership of the temporary directory so it won't be destroyed
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// when this object goes out of scope.
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FilePath Take();
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// Returns the path to the created directory. Call one of the
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// CreateUniqueTempDir* methods before getting the path.
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const FilePath& GetPath() const;
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// Returns true if path_ is non-empty and exists.
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bool IsValid() const;
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// Returns the prefix used for temp directory names generated by
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// ScopedTempDirs.
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static const FilePath::CharType* GetTempDirPrefix();
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private:
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FilePath path_;
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DISALLOW_COPY_AND_ASSIGN(ScopedTempDir);
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};
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} // namespace base
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#endif // BASE_FILES_SCOPED_TEMP_DIR_H_
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