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view libs/assimp/Exceptional.h @ 1:e7ca128b8713

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looks nice :)
author John Tsiombikas <nuclear@member.fsf.org>
date Sun, 02 Feb 2014 00:35:22 +0200
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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 using std::runtime_error;
46
47 #ifdef _MSC_VER
48 # pragma warning(disable : 4275)
49 #endif
50
51 // ---------------------------------------------------------------------------
52 /** FOR IMPORTER PLUGINS ONLY: Simple exception class to be thrown if an
53 * unrecoverable error occurs while importing. Loading APIs return
54 * NULL instead of a valid aiScene then. */
55 class DeadlyImportError
56 : public runtime_error
57 {
58 public:
59 /** Constructor with arguments */
60 explicit DeadlyImportError( const std::string& pErrorText)
61 : runtime_error(pErrorText)
62 {
63 }
64
65 private:
66 };
67
68 typedef DeadlyImportError DeadlyExportError;
69
70 #ifdef _MSC_VER
71 # pragma warning(default : 4275)
72 #endif
73
74 // ---------------------------------------------------------------------------
75 template <typename T>
76 struct ExceptionSwallower {
77 T operator ()() const {
78 return T();
79 }
80 };
81
82 // ---------------------------------------------------------------------------
83 template <typename T>
84 struct ExceptionSwallower<T*> {
85 T* operator ()() const {
86 return NULL;
87 }
88 };
89
90 // ---------------------------------------------------------------------------
91 template <>
92 struct ExceptionSwallower<aiReturn> {
93 aiReturn operator ()() const {
94 try {
95 throw;
96 }
97 catch (std::bad_alloc&) {
98 return aiReturn_OUTOFMEMORY;
99 }
100 catch (...) {
101 return aiReturn_FAILURE;
102 }
103 }
104 };
105
106 // ---------------------------------------------------------------------------
107 template <>
108 struct ExceptionSwallower<void> {
109 void operator ()() const {
110 return;
111 }
112 };
113
114 #define ASSIMP_BEGIN_EXCEPTION_REGION()\
115 {\
116 try {
117
118 #define ASSIMP_END_EXCEPTION_REGION(type)\
119 } catch(...) {\
120 return ExceptionSwallower<type>()();\
121 }\
122 }
123
124 #endif // INCLUDED_EXCEPTIONAL_H