mirror of https://github.com/qpdf/qpdf.git
57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
// Copyright (c) 2005-2024 Jay Berkenbilt
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//
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// This file is part of qpdf.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
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// in compliance with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under
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// the License.
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//
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// Versions of qpdf prior to version 7 were released under the terms of version 2.0 of the Artistic
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// License. At your option, you may continue to consider qpdf to be licensed under those terms.
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// Please see the manual for additional information.
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#ifndef QPDFSYSTEMERROR_HH
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#define QPDFSYSTEMERROR_HH
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#include <qpdf/Constants.h>
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#include <qpdf/DLL.h>
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#include <qpdf/Types.h>
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#include <stdexcept>
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#include <string>
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class QPDF_DLL_CLASS QPDFSystemError: public std::runtime_error
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{
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public:
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QPDF_DLL
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QPDFSystemError(std::string const& description, int system_errno);
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QPDF_DLL
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~QPDFSystemError() noexcept override = default;
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// To get a complete error string, call what(), provided by std::exception. The accessors below
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// return the original values used to create the exception.
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QPDF_DLL
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std::string const& getDescription() const;
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QPDF_DLL
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int getErrno() const;
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private:
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QPDF_DLL_PRIVATE
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static std::string createWhat(std::string const& description, int system_errno);
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// This class does not use the Members pattern to avoid needless memory allocations during
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// exception handling.
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std::string description;
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int system_errno;
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};
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#endif // QPDFSYSTEMERROR_HH
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