mirror of https://github.com/qpdf/qpdf.git
80 lines
2.6 KiB
C++
80 lines
2.6 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 QPDFEXC_HH
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#define QPDFEXC_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 QPDFExc: public std::runtime_error
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{
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public:
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QPDF_DLL
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QPDFExc(
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qpdf_error_code_e error_code,
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std::string const& filename,
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std::string const& object,
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qpdf_offset_t offset,
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std::string const& message);
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QPDF_DLL
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~QPDFExc() 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. Only the error code and message are
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// guaranteed to have non-zero/empty values.
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// There is no lookup code that maps numeric error codes into strings. The numeric error code
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// is just another way to get at the underlying issue, but it is more programmer-friendly than
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// trying to parse a string that is subject to change.
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QPDF_DLL
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qpdf_error_code_e getErrorCode() const;
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QPDF_DLL
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std::string const& getFilename() const;
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QPDF_DLL
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std::string const& getObject() const;
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QPDF_DLL
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qpdf_offset_t getFilePosition() const;
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QPDF_DLL
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std::string const& getMessageDetail() const;
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private:
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QPDF_DLL_PRIVATE
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static std::string createWhat(
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std::string const& filename,
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std::string const& object,
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qpdf_offset_t offset,
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std::string const& message);
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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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qpdf_error_code_e error_code;
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std::string filename;
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std::string object;
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qpdf_offset_t offset;
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std::string message;
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};
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#endif // QPDFEXC_HH
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