1 /* vim:expandtab:shiftwidth=2:tabstop=2:smarttab: 2 * 3 * Data Differential YATL (i.e. libtest) library 4 * 5 * Copyright (C) 2012-2013 Data Differential, http://datadifferential.com/ 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions are 9 * met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 14 * * Redistributions in binary form must reproduce the above 15 * copyright notice, this list of conditions and the following disclaimer 16 * in the documentation and/or other materials provided with the 17 * distribution. 18 * 19 * * The names of its contributors may not be used to endorse or 20 * promote products derived from this software without specific prior 21 * written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 * 35 */ 36 37 #pragma once 38 39 namespace libtest { 40 41 class exception : public std::exception 42 { 43 public: 44 exception(const char *file, int line, const char *func); 45 46 exception( const exception& ); 47 48 virtual ~exception() throw(); 49 what() const50 virtual const char* what() const throw() 51 { 52 if (_error_message) 53 { 54 return _error_message; 55 } 56 57 return ""; 58 } 59 60 void what(size_t, const char*); 61 length() const62 size_t length() const 63 { 64 return _error_message_size; 65 } 66 line() const67 int line() const 68 { 69 return _line; 70 } 71 file() const72 const char* file() const 73 { 74 return _file; 75 } 76 func() const77 const char* func() const 78 { 79 return _func; 80 } 81 82 protected: 83 void init(va_list); 84 85 private: 86 int _line; 87 const char* _file; 88 const char* _func; 89 char* _error_message; 90 size_t _error_message_size; 91 }; 92 93 } // namespace libtest 94 95