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// Copyright (c) 2005-2023 Jay Berkenbilt
//
// This file is part of qpdf.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Versions of qpdf prior to version 7 were released under the terms
// of version 2.0 of the Artistic License. At your option, you may
// continue to consider qpdf to be licensed under those terms. Please
// see the manual for additional information.
#ifndef QPDFEXC_HH
#define QPDFEXC_HH
#include <qpdf/Constants.h>
#include <qpdf/DLL.h>
#include <qpdf/Types.h>
#include <stdexcept>
#include <string>
class QPDF_DLL_CLASS QPDFExc: public std::runtime_error
{
public:
QPDF_DLL
QPDFExc(
qpdf_error_code_e error_code,
std::string const& filename,
std::string const& object,
qpdf_offset_t offset,
std::string const& message);
QPDF_DLL
virtual ~QPDFExc() noexcept = default;
// To get a complete error string, call what(), provided by
// std::exception. The accessors below return the original values
// used to create the exception. Only the error code and message
// are guaranteed to have non-zero/empty values.
// There is no lookup code that maps numeric error codes into
// strings. The numeric error code is just another way to get at
// the underlying issue, but it is more programmer-friendly than
// trying to parse a string that is subject to change.
QPDF_DLL
qpdf_error_code_e getErrorCode() const;
QPDF_DLL
std::string const& getFilename() const;
QPDF_DLL
std::string const& getObject() const;
QPDF_DLL
qpdf_offset_t getFilePosition() const;
QPDF_DLL
std::string const& getMessageDetail() const;
private:
QPDF_DLL_PRIVATE
static std::string createWhat(
std::string const& filename,
std::string const& object,
qpdf_offset_t offset,
std::string const& message);
// This class does not use the Members pattern to avoid needless
// memory allocations during exception handling.
qpdf_error_code_e error_code;
std::string filename;
std::string object;
qpdf_offset_t offset;
std::string message;
};
#endif // QPDFEXC_HH
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