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diff --git a/vcl/inc/ppdparser.hxx b/vcl/inc/ppdparser.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you 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 .
+ */
+#ifndef INCLUDED_VCL_PPDPARSER_HXX
+#define INCLUDED_VCL_PPDPARSER_HXX
+
+#include <sal/config.h>
+
+#include <cstddef>
+#include <memory>
+#include <string_view>
+#include <unordered_map>
+#include <vector>
+
+#include <rtl/string.hxx>
+#include <rtl/ustring.hxx>
+#include <tools/solar.h>
+#include <vcl/dllapi.h>
+
+#define PRINTER_PPDDIR "driver"
+
+namespace psp {
+
+enum class orientation;
+
+class PPDCache;
+class PPDTranslator;
+
+enum PPDValueType { eInvocation, eQuoted, eSymbol, eString, eNo };
+
+struct VCL_DLLPUBLIC PPDValue
+{
+    PPDValueType     m_eType;
+    //CustomOption stuff for fdo#43049
+    //see http://www.cups.org/documentation.php/spec-ppd.html#OPTIONS
+    //for full specs, only the basics are implemented here
+    bool             m_bCustomOption;
+    mutable bool     m_bCustomOptionSetViaApp;
+    mutable OUString m_aCustomOption;
+    OUString         m_aOption;
+    OUString         m_aValue;
+};
+
+
+/*
+ * PPDKey - a container for the available options (=values) of a PPD keyword
+ */
+
+class PPDKey
+{
+    friend class PPDParser;
+    friend class CPDManager;
+
+    typedef std::unordered_map< OUString, PPDValue > hash_type;
+    typedef std::vector< PPDValue* > value_type;
+
+    OUString            m_aKey;
+    hash_type           m_aValues;
+    value_type          m_aOrderedValues;
+    const PPDValue*     m_pDefaultValue;
+    bool                m_bQueryValue;
+    OUString            m_aGroup;
+
+private:
+
+    bool                m_bUIOption;
+    int                 m_nOrderDependency;
+
+    void eraseValue( const OUString& rOption );
+public:
+    PPDKey( OUString aKey );
+    ~PPDKey();
+
+    PPDValue*           insertValue(const OUString& rOption, PPDValueType eType, bool bCustomOption = false);
+    int                 countValues() const
+    { return m_aValues.size(); }
+    // neither getValue will return the query option
+    const PPDValue*     getValue( int n ) const;
+    const PPDValue*     getValue( const OUString& rOption ) const;
+    const PPDValue*     getValueCaseInsensitive( const OUString& rOption ) const;
+    const PPDValue*     getDefaultValue() const { return m_pDefaultValue; }
+    const OUString&     getGroup() const { return m_aGroup; }
+
+    const OUString&     getKey() const { return m_aKey; }
+    bool                isUIKey() const { return m_bUIOption; }
+    int                 getOrderDependency() const { return m_nOrderDependency; }
+};
+
+// define a hash for PPDKey
+struct PPDKeyhash
+{
+    size_t operator()( const PPDKey * pKey) const
+        { return reinterpret_cast<size_t>(pKey); }
+};
+
+/*
+ * PPDParser - parses a PPD file and contains all available keys from it
+ */
+
+class PPDParser
+{
+    friend class PPDContext;
+    friend class CUPSManager;
+    friend class CPDManager;
+    friend class PPDCache;
+
+    typedef std::unordered_map< OUString, std::unique_ptr<PPDKey> > hash_type;
+    typedef std::vector< PPDKey* > value_type;
+
+    void insertKey( std::unique_ptr<PPDKey> pKey );
+public:
+    struct PPDConstraint
+    {
+        const PPDKey*       m_pKey1;
+        const PPDValue*     m_pOption1;
+        const PPDKey*       m_pKey2;
+        const PPDValue*     m_pOption2;
+
+        PPDConstraint() : m_pKey1( nullptr ), m_pOption1( nullptr ), m_pKey2( nullptr ), m_pOption2( nullptr ) {}
+    };
+private:
+    hash_type                                   m_aKeys;
+    value_type                                  m_aOrderedKeys;
+    ::std::vector< PPDConstraint >              m_aConstraints;
+
+    // the full path of the PPD file
+    OUString                                    m_aFile;
+    // some basic attributes
+    rtl_TextEncoding                            m_aFileEncoding;
+
+
+    // shortcuts to important keys and their default values
+    // imageable area
+    const PPDKey*                               m_pImageableAreas;
+    // paper dimensions
+    const PPDValue*                             m_pDefaultPaperDimension;
+    const PPDKey*                               m_pPaperDimensions;
+    // paper trays
+    const PPDValue*                             m_pDefaultInputSlot;
+    // resolutions
+    const PPDValue*                             m_pDefaultResolution;
+
+    // translations
+    std::unique_ptr<PPDTranslator>              m_pTranslator;
+
+    PPDParser( OUString aFile );
+    PPDParser(OUString aFile, const std::vector<PPDKey*>& keys);
+
+    void parseOrderDependency(const OString& rLine);
+    void parseOpenUI(const OString& rLine, std::string_view rPPDGroup);
+    void parseConstraint(const OString& rLine);
+    void parse( std::vector< OString >& rLines );
+
+    OUString handleTranslation(const OString& i_rString, bool i_bIsGlobalized);
+
+    static void scanPPDDir( const OUString& rDir );
+    static void initPPDFiles(PPDCache &rPPDCache);
+    static OUString getPPDFile( const OUString& rFile );
+
+    OUString        matchPaperImpl(int nWidth, int nHeight, bool bDontSwap = false, psp::orientation* pOrientation = nullptr) const;
+
+public:
+    ~PPDParser();
+    static const PPDParser* getParser( const OUString& rFile );
+
+    const PPDKey*   getKey( int n ) const;
+    const PPDKey*   getKey( const OUString& rKey ) const;
+    int             getKeys() const { return m_aKeys.size(); }
+    bool            hasKey( const PPDKey* ) const;
+
+    const ::std::vector< PPDConstraint >& getConstraints() const { return m_aConstraints; }
+
+    OUString        getDefaultPaperDimension() const;
+    void            getDefaultPaperDimension( int& rWidth, int& rHeight ) const
+    { getPaperDimension( getDefaultPaperDimension(), rWidth, rHeight ); }
+    bool getPaperDimension( std::u16string_view rPaperName,
+                            int& rWidth, int& rHeight ) const;
+    // width and height in pt
+    // returns false if paper not found
+
+    // match the best paper for width and height
+    OUString        matchPaper( int nWidth, int nHeight, psp::orientation* pOrientation = nullptr ) const;
+
+    bool getMargins( std::u16string_view rPaperName,
+                     int &rLeft, int& rRight,
+                     int &rUpper, int& rLower ) const;
+    // values in pt
+    // returns true if paper found
+
+    // values int pt
+
+    OUString        getDefaultInputSlot() const;
+
+    void            getDefaultResolution( int& rXRes, int& rYRes ) const;
+    // values in dpi
+    static void     getResolutionFromString( std::u16string_view, int&, int& );
+    // helper function
+
+    OUString   translateKey( const OUString& i_rKey ) const;
+    OUString   translateOption( std::u16string_view i_rKey,
+                                const OUString& i_rOption ) const;
+};
+
+
+/*
+ * PPDContext - a class to manage user definable states based on the
+ * contents of a PPDParser.
+ */
+
+class PPDContext
+{
+    typedef std::unordered_map< const PPDKey*, const PPDValue*, PPDKeyhash > hash_type;
+    hash_type m_aCurrentValues;
+    const PPDParser*                                    m_pParser;
+
+    // returns false: check failed, new value is constrained
+    //         true:  check succeeded, new value can be set
+    bool checkConstraints( const PPDKey*, const PPDValue*, bool bDoReset );
+    bool resetValue( const PPDKey*, bool bDefaultable = false );
+public:
+    PPDContext();
+    PPDContext( const PPDContext& rContext ) { operator=( rContext ); }
+    PPDContext& operator=( const PPDContext& rContext ) = default;
+    PPDContext& operator=( PPDContext&& rContext );
+
+    void setParser( const PPDParser* );
+    const PPDParser* getParser() const { return m_pParser; }
+
+    const PPDValue* getValue( const PPDKey* ) const;
+    const PPDValue* setValue( const PPDKey*, const PPDValue*, bool bDontCareForConstraints = false );
+
+    std::size_t countValuesModified() const { return m_aCurrentValues.size(); }
+    const PPDKey* getModifiedKey( std::size_t n ) const;
+
+    // public wrapper for the private method
+    bool checkConstraints( const PPDKey*, const PPDValue* );
+
+    // for printer setup
+    char*   getStreamableBuffer( sal_uLong& rBytes ) const;
+    void    rebuildFromStreamBuffer(const std::vector<char> &rBuffer);
+
+    // convenience
+    int getRenderResolution() const;
+
+    // width, height in points, paper will contain the name of the selected
+    // paper after the call
+    void getPageSize( OUString& rPaper, int& rWidth, int& rHeight ) const;
+};
+
+} // namespace
+
+#endif // INCLUDED_VCL_PPDPARSER_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */