86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
// Copyright Contributors to the OpenVDB Project
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// SPDX-License-Identifier: Apache-2.0
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#ifndef OPENVDB_EXCEPTIONS_HAS_BEEN_INCLUDED
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#define OPENVDB_EXCEPTIONS_HAS_BEEN_INCLUDED
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#include "version.h"
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#include <exception>
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#include <sstream>
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#include <string>
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namespace openvdb {
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OPENVDB_USE_VERSION_NAMESPACE
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namespace OPENVDB_VERSION_NAME {
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class OPENVDB_API Exception: public std::exception
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{
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public:
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Exception(const Exception&) = default;
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Exception(Exception&&) = default;
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Exception& operator=(const Exception&) = default;
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Exception& operator=(Exception&&) = default;
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~Exception() override = default;
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const char* what() const noexcept override
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{
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try { return mMessage.c_str(); } catch (...) {}
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return nullptr;
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}
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protected:
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Exception() noexcept {}
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explicit Exception(const char* eType, const std::string* const msg = nullptr) noexcept
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{
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try {
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if (eType) mMessage = eType;
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if (msg) mMessage += ": " + (*msg);
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} catch (...) {}
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}
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private:
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std::string mMessage;
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};
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#define OPENVDB_EXCEPTION(_classname) \
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class OPENVDB_API _classname: public Exception \
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{ \
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public: \
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_classname() noexcept: Exception( #_classname ) {} \
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explicit _classname(const std::string& msg) noexcept: Exception( #_classname , &msg) {} \
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}
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OPENVDB_EXCEPTION(ArithmeticError);
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OPENVDB_EXCEPTION(IndexError);
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OPENVDB_EXCEPTION(IoError);
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OPENVDB_EXCEPTION(KeyError);
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OPENVDB_EXCEPTION(LookupError);
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OPENVDB_EXCEPTION(NotImplementedError);
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OPENVDB_EXCEPTION(ReferenceError);
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OPENVDB_EXCEPTION(RuntimeError);
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OPENVDB_EXCEPTION(TypeError);
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OPENVDB_EXCEPTION(ValueError);
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#undef OPENVDB_EXCEPTION
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} // namespace OPENVDB_VERSION_NAME
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} // namespace openvdb
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#define OPENVDB_THROW(exception, message) \
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{ \
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std::string _openvdb_throw_msg; \
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try { \
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std::ostringstream _openvdb_throw_os; \
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_openvdb_throw_os << message; \
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_openvdb_throw_msg = _openvdb_throw_os.str(); \
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} catch (...) {} \
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throw exception(_openvdb_throw_msg); \
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} // OPENVDB_THROW
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#endif // OPENVDB_EXCEPTIONS_HAS_BEEN_INCLUDED
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