xref: /freebsd/contrib/kyua/utils/fs/auto_cleaners.hpp (revision b0d29bc47dba79f6f38e67eabadfb4b32ffd9390)
1*b0d29bc4SBrooks Davis // Copyright 2010 The Kyua Authors.
2*b0d29bc4SBrooks Davis // All rights reserved.
3*b0d29bc4SBrooks Davis //
4*b0d29bc4SBrooks Davis // Redistribution and use in source and binary forms, with or without
5*b0d29bc4SBrooks Davis // modification, are permitted provided that the following conditions are
6*b0d29bc4SBrooks Davis // met:
7*b0d29bc4SBrooks Davis //
8*b0d29bc4SBrooks Davis // * Redistributions of source code must retain the above copyright
9*b0d29bc4SBrooks Davis //   notice, this list of conditions and the following disclaimer.
10*b0d29bc4SBrooks Davis // * Redistributions in binary form must reproduce the above copyright
11*b0d29bc4SBrooks Davis //   notice, this list of conditions and the following disclaimer in the
12*b0d29bc4SBrooks Davis //   documentation and/or other materials provided with the distribution.
13*b0d29bc4SBrooks Davis // * Neither the name of Google Inc. nor the names of its contributors
14*b0d29bc4SBrooks Davis //   may be used to endorse or promote products derived from this software
15*b0d29bc4SBrooks Davis //   without specific prior written permission.
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17*b0d29bc4SBrooks Davis // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18*b0d29bc4SBrooks Davis // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19*b0d29bc4SBrooks Davis // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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28*b0d29bc4SBrooks Davis 
29*b0d29bc4SBrooks Davis /// \file utils/fs/auto_cleaners.hpp
30*b0d29bc4SBrooks Davis /// RAII wrappers to automatically remove file system entries.
31*b0d29bc4SBrooks Davis 
32*b0d29bc4SBrooks Davis #if !defined(UTILS_FS_AUTO_CLEANERS_HPP)
33*b0d29bc4SBrooks Davis #define UTILS_FS_AUTO_CLEANERS_HPP
34*b0d29bc4SBrooks Davis 
35*b0d29bc4SBrooks Davis #include "utils/fs/auto_cleaners_fwd.hpp"
36*b0d29bc4SBrooks Davis 
37*b0d29bc4SBrooks Davis #include <memory>
38*b0d29bc4SBrooks Davis #include <string>
39*b0d29bc4SBrooks Davis 
40*b0d29bc4SBrooks Davis #include "utils/fs/path_fwd.hpp"
41*b0d29bc4SBrooks Davis 
42*b0d29bc4SBrooks Davis namespace utils {
43*b0d29bc4SBrooks Davis namespace fs {
44*b0d29bc4SBrooks Davis 
45*b0d29bc4SBrooks Davis 
46*b0d29bc4SBrooks Davis /// Grabs ownership of a directory and removes it upon destruction.
47*b0d29bc4SBrooks Davis ///
48*b0d29bc4SBrooks Davis /// This class is reference-counted and therefore only the destruction of the
49*b0d29bc4SBrooks Davis /// last instance will cause the removal of the directory.
50*b0d29bc4SBrooks Davis class auto_directory {
51*b0d29bc4SBrooks Davis     struct impl;
52*b0d29bc4SBrooks Davis     /// Reference-counted, shared implementation.
53*b0d29bc4SBrooks Davis     std::shared_ptr< impl > _pimpl;
54*b0d29bc4SBrooks Davis 
55*b0d29bc4SBrooks Davis public:
56*b0d29bc4SBrooks Davis     explicit auto_directory(const path&);
57*b0d29bc4SBrooks Davis     ~auto_directory(void);
58*b0d29bc4SBrooks Davis 
59*b0d29bc4SBrooks Davis     static auto_directory mkdtemp_public(const std::string&);
60*b0d29bc4SBrooks Davis 
61*b0d29bc4SBrooks Davis     const path& directory(void) const;
62*b0d29bc4SBrooks Davis     void cleanup(void);
63*b0d29bc4SBrooks Davis };
64*b0d29bc4SBrooks Davis 
65*b0d29bc4SBrooks Davis 
66*b0d29bc4SBrooks Davis /// Grabs ownership of a file and removes it upon destruction.
67*b0d29bc4SBrooks Davis ///
68*b0d29bc4SBrooks Davis /// This class is reference-counted and therefore only the destruction of the
69*b0d29bc4SBrooks Davis /// last instance will cause the removal of the file.
70*b0d29bc4SBrooks Davis class auto_file {
71*b0d29bc4SBrooks Davis     struct impl;
72*b0d29bc4SBrooks Davis     /// Reference-counted, shared implementation.
73*b0d29bc4SBrooks Davis     std::shared_ptr< impl > _pimpl;
74*b0d29bc4SBrooks Davis 
75*b0d29bc4SBrooks Davis public:
76*b0d29bc4SBrooks Davis     explicit auto_file(const path&);
77*b0d29bc4SBrooks Davis     ~auto_file(void);
78*b0d29bc4SBrooks Davis 
79*b0d29bc4SBrooks Davis     static auto_file mkstemp(const std::string&);
80*b0d29bc4SBrooks Davis 
81*b0d29bc4SBrooks Davis     const path& file(void) const;
82*b0d29bc4SBrooks Davis     void remove(void);
83*b0d29bc4SBrooks Davis };
84*b0d29bc4SBrooks Davis 
85*b0d29bc4SBrooks Davis 
86*b0d29bc4SBrooks Davis }  // namespace fs
87*b0d29bc4SBrooks Davis }  // namespace utils
88*b0d29bc4SBrooks Davis 
89*b0d29bc4SBrooks Davis #endif  // !defined(UTILS_FS_AUTO_CLEANERS_HPP)
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