minix/external/bsd/kyua-cli/dist/utils/fs/auto_cleaners.hpp

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// Copyright 2010 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 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.
/// \file utils/fs/auto_cleaners.hpp
/// RAII wrappers to automatically remove file system entries.
#if !defined(UTILS_FS_AUTO_CLEANERS_HPP)
#define UTILS_FS_AUTO_CLEANERS_HPP
#include <string>
#include "utils/fs/path.hpp"
#include "utils/shared_ptr.hpp"
namespace utils {
namespace fs {
/// Grabs ownership of a directory and removes it upon destruction.
///
/// This class is reference-counted and therefore only the destruction of the
/// last instance will cause the removal of the directory.
class auto_directory {
struct impl;
/// Reference-counted, shared implementation.
std::shared_ptr< impl > _pimpl;
public:
explicit auto_directory(const path&);
~auto_directory(void);
static auto_directory mkdtemp(const std::string&);
const path& directory(void) const;
void cleanup(void);
};
/// Grabs ownership of a file and removes it upon destruction.
///
/// This class is reference-counted and therefore only the destruction of the
/// last instance will cause the removal of the file.
class auto_file {
struct impl;
/// Reference-counted, shared implementation.
std::shared_ptr< impl > _pimpl;
public:
explicit auto_file(const path&);
~auto_file(void);
static auto_file mkstemp(const std::string&);
const path& file(void) const;
void remove(void);
};
} // namespace fs
} // namespace utils
#endif // !defined(UTILS_FS_AUTO_CLEANERS_HPP)