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 38namespace utils { 39namespace fs { 40 41 42/// Base exception for fs errors. 43class error : public std::runtime_error { 44public: 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. 51class invalid_path_error : public error { 52 /// Raw value of the invalid path. 53 std::string _textual_path; 54 55public: 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. 64class 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 71public: 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). 86class system_error : public error { 87 /// Error number describing this libc error condition. 88 int _original_errno; 89 90public: 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