1 /* 2 Open Asset Import Library (assimp) 3 ---------------------------------------------------------------------- 4 5 Copyright (c) 2006-2008, assimp team 6 All rights reserved. 7 8 Redistribution and use of this software in source and binary forms, 9 with or without modification, are permitted provided that the 10 following conditions are met: 11 12 * Redistributions of source code must retain the above 13 copyright notice, this list of conditions and the 14 following disclaimer. 15 16 * Redistributions in binary form must reproduce the above 17 copyright notice, this list of conditions and the 18 following disclaimer in the documentation and/or other 19 materials provided with the distribution. 20 21 * Neither the name of the assimp team, nor the names of its 22 contributors may be used to endorse or promote products 23 derived from this software without specific prior 24 written permission of the assimp team. 25 26 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 27 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 28 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 29 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 30 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 31 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 32 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 33 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 34 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 35 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 36 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 37 38 ---------------------------------------------------------------------- 39 */ 40 41 #ifndef INCLUDED_EXCEPTIONAL_H 42 #define INCLUDED_EXCEPTIONAL_H 43 44 #include <stdexcept> 45 #include <assimp/DefaultIOStream.h> 46 using std::runtime_error; 47 48 #ifdef _MSC_VER 49 # pragma warning(disable : 4275) 50 #endif 51 52 // --------------------------------------------------------------------------- 53 /** FOR IMPORTER PLUGINS ONLY: Simple exception class to be thrown if an 54 * unrecoverable error occurs while importing. Loading APIs return 55 * NULL instead of a valid aiScene then. */ 56 class DeadlyImportError 57 : public runtime_error 58 { 59 public: 60 /** Constructor with arguments */ DeadlyImportError(const std::string & errorText)61 explicit DeadlyImportError( const std::string& errorText) 62 : runtime_error(errorText) 63 { 64 } 65 66 private: 67 }; 68 69 typedef DeadlyImportError DeadlyExportError; 70 71 #ifdef _MSC_VER 72 # pragma warning(default : 4275) 73 #endif 74 75 // --------------------------------------------------------------------------- 76 template <typename T> 77 struct ExceptionSwallower { operatorExceptionSwallower78 T operator ()() const { 79 return T(); 80 } 81 }; 82 83 // --------------------------------------------------------------------------- 84 template <typename T> 85 struct ExceptionSwallower<T*> { 86 T* operator ()() const { 87 return NULL; 88 } 89 }; 90 91 // --------------------------------------------------------------------------- 92 template <> 93 struct ExceptionSwallower<aiReturn> { 94 aiReturn operator ()() const { 95 try { 96 throw; 97 } 98 catch (std::bad_alloc&) { 99 return aiReturn_OUTOFMEMORY; 100 } 101 catch (...) { 102 return aiReturn_FAILURE; 103 } 104 } 105 }; 106 107 // --------------------------------------------------------------------------- 108 template <> 109 struct ExceptionSwallower<void> { 110 void operator ()() const { 111 return; 112 } 113 }; 114 115 #define ASSIMP_BEGIN_EXCEPTION_REGION()\ 116 {\ 117 try { 118 119 #define ASSIMP_END_EXCEPTION_REGION(type)\ 120 } catch(...) {\ 121 return ExceptionSwallower<type>()();\ 122 }\ 123 } 124 125 #endif // INCLUDED_EXCEPTIONAL_H 126