mirror of https://github.com/qpdf/qpdf.git
67 lines
2.1 KiB
C++
67 lines
2.1 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 PDFVERSION_HH
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#define PDFVERSION_HH
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#include <qpdf/DLL.h>
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#include <string>
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class PDFVersion
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{
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public:
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// Represent a PDF version. PDF versions are typically major.minor, but PDF 1.7 has several
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// extension levels as the ISO 32000 spec was in progress. This class helps with comparison of
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// versions.
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QPDF_DLL
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PDFVersion();
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QPDF_DLL
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PDFVersion(PDFVersion const&) = default;
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QPDF_DLL
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PDFVersion& operator=(PDFVersion const&) = default;
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QPDF_DLL
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PDFVersion(int major, int minor, int extension = 0);
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QPDF_DLL
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bool operator<(PDFVersion const& rhs) const;
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QPDF_DLL
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bool operator==(PDFVersion const& rhs) const;
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// Replace this version with the other one if the other one is greater.
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QPDF_DLL
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void updateIfGreater(PDFVersion const& other);
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// Initialize a string and integer suitable for passing to QPDFWriter::setMinimumPDFVersion or
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// QPDFWriter::forcePDFVersion.
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QPDF_DLL
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void getVersion(std::string& version, int& extension_level) const;
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QPDF_DLL
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int getMajor() const;
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QPDF_DLL
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int getMinor() const;
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QPDF_DLL
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int getExtensionLevel() const;
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private:
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int major_version;
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int minor_version;
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int extension_level;
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};
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#endif // PDFVERSION_HH
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