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Exceptions.h
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1 ///////////////////////////////////////////////////////////////////////////
2 //
3 // Copyright (c) 2012-2018 DreamWorks Animation LLC
4 //
5 // All rights reserved. This software is distributed under the
6 // Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
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29 ///////////////////////////////////////////////////////////////////////////
30 
31 #ifndef OPENVDB_EXCEPTIONS_HAS_BEEN_INCLUDED
32 #define OPENVDB_EXCEPTIONS_HAS_BEEN_INCLUDED
33 
34 #include <openvdb/version.h>
35 #include <exception>
36 #include <sstream>
37 #include <string>
38 
39 
40 namespace openvdb {
43 
44 class OPENVDB_API Exception: public std::exception
45 {
46 public:
47  Exception(const Exception&) = default;
48  Exception(Exception&&) = default;
49  Exception& operator=(const Exception&) = default;
50  Exception& operator=(Exception&&) = default;
51  ~Exception() override = default;
52 
53  const char* what() const noexcept override
54  {
55  try { return mMessage.c_str(); } catch (...) {}
56  return nullptr;
57  }
58 
59 protected:
60  Exception() noexcept {}
61  explicit Exception(const char* eType, const std::string* const msg = nullptr) noexcept
62  {
63  try {
64  if (eType) mMessage = eType;
65  if (msg) mMessage += ": " + (*msg);
66  } catch (...) {}
67  }
68 
69 private:
70  std::string mMessage;
71 };
72 
73 
74 #define OPENVDB_EXCEPTION(_classname) \
75 class OPENVDB_API _classname: public Exception \
76 { \
77 public: \
78  _classname() noexcept: Exception( #_classname ) {} \
79  explicit _classname(const std::string& msg) noexcept: Exception( #_classname , &msg) {} \
80 }
81 
82 
83 OPENVDB_EXCEPTION(ArithmeticError);
84 OPENVDB_EXCEPTION(IndexError);
85 OPENVDB_EXCEPTION(IoError);
86 OPENVDB_EXCEPTION(KeyError);
87 OPENVDB_EXCEPTION(LookupError);
88 OPENVDB_EXCEPTION(NotImplementedError);
89 OPENVDB_EXCEPTION(ReferenceError);
90 OPENVDB_EXCEPTION(RuntimeError);
91 OPENVDB_EXCEPTION(TypeError);
92 OPENVDB_EXCEPTION(ValueError);
93 
94 #undef OPENVDB_EXCEPTION
95 
96 
97 /// @deprecated Use ValueError instead.
99 public:
101  OPENVDB_DEPRECATED explicit IllegalValueException(const std::string& msg) noexcept:
102  Exception("IllegalValueException", &msg) {}
103 };
104 
105 } // namespace OPENVDB_VERSION_NAME
106 } // namespace openvdb
107 
108 
109 #define OPENVDB_THROW(exception, message) \
110 { \
111  std::string _openvdb_throw_msg; \
112  try { \
113  std::ostringstream _openvdb_throw_os; \
114  _openvdb_throw_os << message; \
115  _openvdb_throw_msg = _openvdb_throw_os.str(); \
116  } catch (...) {} \
117  throw exception(_openvdb_throw_msg); \
118 } // OPENVDB_THROW
119 
120 #endif // OPENVDB_EXCEPTIONS_HAS_BEEN_INCLUDED
121 
122 // Copyright (c) 2012-2018 DreamWorks Animation LLC
123 // All rights reserved. This software is distributed under the
124 // Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
Exception(const char *eType, const std::string *const msg=nullptr) noexcept
Definition: Exceptions.h:61
const char * what() const noexceptoverride
Definition: Exceptions.h:53
GLsizei const GLchar *const * string
Definition: glcorearb.h:813
#define OPENVDB_USE_VERSION_NAMESPACE
Definition: version.h:189
OPENVDB_DEPRECATED IllegalValueException() noexcept
Definition: Exceptions.h:100
#define OPENVDB_API
Helper macros for defining library symbol visibility.
Definition: Platform.h:194
#define OPENVDB_DEPRECATED
Definition: Platform.h:49
OPENVDB_DEPRECATED IllegalValueException(const std::string &msg) noexcept
Definition: Exceptions.h:101
#define const
Definition: zconf.h:214
#define OPENVDB_VERSION_NAME
The version namespace name for this library version.
Definition: version.h:135
OPENVDB_EXCEPTION(ArithmeticError)