1 // Copyright 2010 Google Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above copyright 11 // notice, this list of conditions and the following disclaimer in the 12 // documentation and/or other materials provided with the distribution. 13 // * Neither the name of Google Inc. nor the names of its contributors 14 // may be used to endorse or promote products derived from this software 15 // without specific prior written permission. 16 // 17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 /// \file utils/fs/auto_cleaners.hpp 30 /// RAII wrappers to automatically remove file system entries. 31 32 #if !defined(UTILS_FS_AUTO_CLEANERS_HPP) 33 #define UTILS_FS_AUTO_CLEANERS_HPP 34 35 #include <string> 36 37 #include "utils/fs/path.hpp" 38 #include "utils/shared_ptr.hpp" 39 40 namespace utils { 41 namespace fs { 42 43 44 /// Grabs ownership of a directory and removes it upon destruction. 45 /// 46 /// This class is reference-counted and therefore only the destruction of the 47 /// last instance will cause the removal of the directory. 48 class auto_directory { 49 struct impl; 50 /// Reference-counted, shared implementation. 51 std::shared_ptr< impl > _pimpl; 52 53 public: 54 explicit auto_directory(const path&); 55 ~auto_directory(void); 56 57 static auto_directory mkdtemp(const std::string&); 58 59 const path& directory(void) const; 60 void cleanup(void); 61 }; 62 63 64 /// Grabs ownership of a file and removes it upon destruction. 65 /// 66 /// This class is reference-counted and therefore only the destruction of the 67 /// last instance will cause the removal of the file. 68 class auto_file { 69 struct impl; 70 /// Reference-counted, shared implementation. 71 std::shared_ptr< impl > _pimpl; 72 73 public: 74 explicit auto_file(const path&); 75 ~auto_file(void); 76 77 static auto_file mkstemp(const std::string&); 78 79 const path& file(void) const; 80 void remove(void); 81 }; 82 83 84 } // namespace fs 85 } // namespace utils 86 87 #endif // !defined(UTILS_FS_AUTO_CLEANERS_HPP) 88