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