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/exceptions.hpp 30 /// Exception types raised by the fs module. 31 32 #if !defined(UTILS_FS_EXCEPTIONS_HPP) 33 #define UTILS_FS_EXCEPTIONS_HPP 34 35 #include <stdexcept> 36 #include <string> 37 38 namespace utils { 39 namespace fs { 40 41 42 /// Base exception for fs errors. 43 class error : public std::runtime_error { 44 public: 45 explicit error(const std::string&); 46 virtual ~error(void) throw(); 47 }; 48 49 50 /// Error denoting an invalid path while constructing a fs::path object. 51 class invalid_path_error : public error { 52 /// Raw value of the invalid path. 53 std::string _textual_path; 54 55 public: 56 explicit invalid_path_error(const std::string&, const std::string&); 57 virtual ~invalid_path_error(void) throw(); 58 59 const std::string& invalid_path(void) const; 60 }; 61 62 63 /// Paths cannot be joined. 64 class join_error : public error { 65 /// Raw value of the first path in the join operation. 66 std::string _textual_path1; 67 68 /// Raw value of the second path in the join operation. 69 std::string _textual_path2; 70 71 public: 72 explicit join_error(const std::string&, const std::string&, 73 const std::string&); 74 virtual ~join_error(void) throw(); 75 76 const std::string& textual_path1(void) const; 77 const std::string& textual_path2(void) const; 78 }; 79 80 81 /// Exceptions for errno-based errors. 82 /// 83 /// TODO(jmmv): This code is duplicated in, at least, utils::process. Figure 84 /// out a way to reuse this exception while maintaining the correct inheritance 85 /// (i.e. be able to keep it as a child of fs::error). 86 class system_error : public error { 87 /// Error number describing this libc error condition. 88 int _original_errno; 89 90 public: 91 explicit system_error(const std::string&, const int); 92 ~system_error(void) throw(); 93 94 int original_errno(void) const throw(); 95 }; 96 97 98 } // namespace fs 99 } // namespace utils 100 101 102 #endif // !defined(UTILS_FS_EXCEPTIONS_HPP) 103