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