1/*
2Open Asset Import Library (assimp)
3----------------------------------------------------------------------
4
5Copyright (c) 2006-2008, assimp team
6All rights reserved.
7
8Redistribution and use of this software in source and binary forms,
9with or without modification, are permitted provided that the
10following 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
26THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36OF 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>
46using 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. */
56class DeadlyImportError
57 : public runtime_error
58{
59public:
60 /** Constructor with arguments */
61 explicit DeadlyImportError( const std::string& errorText)
62 : runtime_error(errorText)
63 {
64 }
65
66private:
67};
68
69typedef DeadlyImportError DeadlyExportError;
70
71#ifdef _MSC_VER
72# pragma warning(default : 4275)
73#endif
74
75// ---------------------------------------------------------------------------
76template <typename T>
77struct ExceptionSwallower {
78 T operator ()() const {
79 return T();
80 }
81};
82
83// ---------------------------------------------------------------------------
84template <typename T>
85struct ExceptionSwallower<T*> {
86 T* operator ()() const {
87 return NULL;
88 }
89};
90
91// ---------------------------------------------------------------------------
92template <>
93struct 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// ---------------------------------------------------------------------------
108template <>
109struct 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