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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 {
+
+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 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;
+
+public:
+ enum class SetupType { ExitServer, Prolog, DocumentSetup, PageSetup, JCLSetup, AnySetup };
+private:
+
+ bool m_bUIOption;
+ int m_nOrderDependency;
+ SetupType m_eSetupType;
+
+ void eraseValue( const OUString& rOption );
+public:
+ PPDKey( const OUString& rKey );
+ ~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; }
+ SetupType getSetupType() const { return m_eSetupType; }
+ 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
+ bool m_bColorDevice;
+ bool m_bType42Capable;
+ sal_uLong m_nLanguageLevel;
+ 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( const OUString& rFile );
+ PPDParser(const OUString& rFile, 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 );
+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; }
+
+ bool isColorDevice() const { return m_bColorDevice; }
+ bool isType42Capable() const { return m_bType42Capable; }
+ sal_uLong getLanguageLevel() const { return m_nLanguageLevel; }
+
+ 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 ) 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( const OUString& 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: */