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Copy pathcef_scoped_temp_dir.h
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118 lines (103 loc) · 3.97 KB
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// Copyright (c) 2016 Marshall A. Greenblatt. Portions copyright (c) 2011
// Google Inc. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the name Chromium Embedded
// Framework nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// ---------------------------------------------------------------------------
//
// The contents of this file are only available to applications that link
// against the libcef_dll_wrapper target.
//
#ifndef CEF_INCLUDE_SCOPED_TEMP_DIR_H_
#define CEF_INCLUDE_SCOPED_TEMP_DIR_H_
#pragma once
#include "include/base/cef_build.h"
#include "include/base/cef_macros.h"
#include "include/cef_base.h"
///
// An object representing a temporary / scratch directory that should be cleaned
// up (recursively) when this object goes out of scope. Note that since
// deletion occurs during the destructor, no further error handling is possible
// if the directory fails to be deleted. As a result, deletion is not
// guaranteed by this class.
//
// Multiple calls to the methods which establish a temporary directory
// (CreateUniqueTempDir, CreateUniqueTempDirUnderPath, and Set) must have
// intervening calls to Delete or Take, or the calls will fail.
///
class CefScopedTempDir {
public:
///
// No directory is owned/created initially.
///
CefScopedTempDir();
///
// Recursively delete path.
///
~CefScopedTempDir();
///
// Creates a unique directory in TempPath, and takes ownership of it.
// See file_util::CreateNewTemporaryDirectory.
///
bool CreateUniqueTempDir() WARN_UNUSED_RESULT;
///
// Creates a unique directory under a given path, and takes ownership of it.
///
bool CreateUniqueTempDirUnderPath(const CefString& path) WARN_UNUSED_RESULT;
///
// Takes ownership of directory at |path|, creating it if necessary.
// Don't call multiple times unless Take() has been called first.
///
bool Set(const CefString& path) WARN_UNUSED_RESULT;
///
// Deletes the temporary directory wrapped by this object.
///
bool Delete() WARN_UNUSED_RESULT;
///
// Caller takes ownership of the temporary directory so it won't be destroyed
// when this object goes out of scope.
///
CefString Take();
///
// Returns the path to the created directory. Call one of the
// CreateUniqueTempDir* methods before getting the path.
///
const CefString& GetPath() const;
///
// Returns true if path_ is empty.
///
bool IsEmpty() const;
///
// Returns true if path_ is non-empty and exists.
///
bool IsValid() const;
private:
CefString path_;
DISALLOW_COPY_AND_ASSIGN(CefScopedTempDir);
};
#endif // CEF_INCLUDE_SCOPED_TEMP_DIR_H_