1/*
2Open Asset Import Library (assimp)
3----------------------------------------------------------------------
4
5Copyright (c) 2006-2025, 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#pragma once
42#ifndef AI_INCLUDED_EXCEPTIONAL_H
43#define AI_INCLUDED_EXCEPTIONAL_H
44
45#ifdef __GNUC__
46#pragma GCC system_header
47#endif
48
49#include <assimp/DefaultIOStream.h>
50#include <assimp/TinyFormatter.h>
51#include <stdexcept>
52
53using std::runtime_error;
54
55#ifdef _MSC_VER
56#pragma warning(disable : 4275)
57#endif
58
59// ---------------------------------------------------------------------------
60/**
61 * The base-class for all other exceptions
62 */
63class ASSIMP_API DeadlyErrorBase : public runtime_error {
64protected:
65 /// @brief The class constructor with the formatter.
66 /// @param f The formatter.
67 DeadlyErrorBase(Assimp::Formatter::format f);
68
69 /// @brief The class constructor with the parameter ellipse.
70 /// @tparam ...T The type for the ellipse
71 /// @tparam U The other type
72 /// @param f The formatter
73 /// @param u One parameter
74 /// @param ...args The rest
75 template<typename... T, typename U>
76 DeadlyErrorBase(Assimp::Formatter::format f, U&& u, T&&... args) :
77 DeadlyErrorBase(std::move(f << std::forward<U>(u)), std::forward<T>(args)...) {}
78};
79
80// ---------------------------------------------------------------------------
81/** FOR IMPORTER PLUGINS ONLY: Simple exception class to be thrown if an
82 * unrecoverable error occurs while importing. Loading APIs return
83 * nullptr instead of a valid aiScene then. */
84class ASSIMP_API DeadlyImportError : public DeadlyErrorBase {
85public:
86 /// @brief The class constructor with the message.
87 /// @param message The message
88 DeadlyImportError(const char *message) :
89 DeadlyErrorBase(Assimp::Formatter::format(), std::forward<const char*>(t&: message)) {
90 // empty
91 }
92
93 /// @brief The class constructor with the parameter ellipse.
94 /// @tparam ...T The type for the ellipse
95 /// @param ...args The args
96 template<typename... T>
97 explicit DeadlyImportError(T&&... args) :
98 DeadlyErrorBase(Assimp::Formatter::format(), std::forward<T>(args)...) {
99 // empty
100 }
101};
102
103// ---------------------------------------------------------------------------
104/** FOR EXPORTER PLUGINS ONLY: Simple exception class to be thrown if an
105 * unrecoverable error occurs while exporting. Exporting APIs return
106 * nullptr instead of a valid aiScene then. */
107class ASSIMP_API DeadlyExportError : public DeadlyErrorBase {
108public:
109 /** Constructor with arguments */
110 template<typename... T>
111 explicit DeadlyExportError(T&&... args) :
112 DeadlyErrorBase(Assimp::Formatter::format(), std::forward<T>(args)...) {}
113};
114
115#ifdef _MSC_VER
116#pragma warning(default : 4275)
117#endif
118
119// ---------------------------------------------------------------------------
120template <typename T>
121struct ExceptionSwallower {
122 T operator()() const {
123 return T();
124 }
125};
126
127// ---------------------------------------------------------------------------
128template <typename T>
129struct ExceptionSwallower<T *> {
130 T *operator()() const {
131 return nullptr;
132 }
133};
134
135// ---------------------------------------------------------------------------
136template <>
137struct ExceptionSwallower<aiReturn> {
138 aiReturn operator()() const {
139 try {
140 throw;
141 } catch (std::bad_alloc &) {
142 return aiReturn_OUTOFMEMORY;
143 } catch (...) {
144 return aiReturn_FAILURE;
145 }
146 }
147};
148
149// ---------------------------------------------------------------------------
150template <>
151struct ExceptionSwallower<void> {
152 void operator()() const {
153 return;
154 }
155};
156
157#define ASSIMP_BEGIN_EXCEPTION_REGION() \
158 { \
159 try {
160
161#define ASSIMP_END_EXCEPTION_REGION_WITH_ERROR_STRING(type, ASSIMP_END_EXCEPTION_REGION_errorString, ASSIMP_END_EXCEPTION_REGION_exception) \
162 } \
163 catch (const DeadlyImportError &e) { \
164 ASSIMP_END_EXCEPTION_REGION_errorString = e.what(); \
165 ASSIMP_END_EXCEPTION_REGION_exception = std::current_exception(); \
166 return ExceptionSwallower<type>()(); \
167 } \
168 catch (...) { \
169 ASSIMP_END_EXCEPTION_REGION_errorString = "Unknown exception"; \
170 ASSIMP_END_EXCEPTION_REGION_exception = std::current_exception(); \
171 return ExceptionSwallower<type>()(); \
172 } \
173}
174
175#define ASSIMP_END_EXCEPTION_REGION(type) \
176 } \
177 catch (...) { \
178 return ExceptionSwallower<type>()(); \
179 } \
180 }
181
182#endif // AI_INCLUDED_EXCEPTIONAL_H
183

source code of qtquick3d/src/3rdparty/assimp/src/include/assimp/Exceptional.h