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| -rw-r--r-- | vcl/inc/ppdparser.hxx | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/vcl/inc/ppdparser.hxx b/vcl/inc/ppdparser.hxx new file mode 100644 index 000000000..cd565ef76 --- /dev/null +++ b/vcl/inc/ppdparser.hxx @@ -0,0 +1,275 @@ +/* -*- 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: */ |