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335 lines
9.3 KiB
335 lines
9.3 KiB
/**
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* Copyright (C) 2001 the KGhostView authors. See file AUTHORS.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef DSCPARSE_ADAPTER_H
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#define DSCPARSE_ADAPTER_H
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#include <iostream>
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#include <map>
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#include <memory>
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#include <tqsize.h>
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#include <tqstring.h>
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#include "dscparse.h"
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class KDSCBBOX
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{
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public:
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KDSCBBOX();
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KDSCBBOX( const KDSCBBOX& b );
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KDSCBBOX( int llx, int lly, int urx, int ury );
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KDSCBBOX( const CDSCBBOX& bbox );
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KDSCBBOX& operator = ( const KDSCBBOX& b );
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bool operator == ( const KDSCBBOX& b );
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bool operator != ( const KDSCBBOX& b );
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int llx() const;
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int lly() const;
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int urx() const;
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int ury() const;
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int width() const;
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int height() const;
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TQSize size() const;
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private:
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int _llx, _lly, _urx, _ury;
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};
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std::ostream& operator << ( std::ostream&, const KDSCBBOX& );
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class KDSCError
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{
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public:
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enum Type
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{
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BBox = CDSC_MESSAGE_BBOX,
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EarlyTrailer = CDSC_MESSAGE_EARLY_TRAILER,
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EarlyEOF = CDSC_MESSAGE_EARLY_EOF,
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PageInTrailer = CDSC_MESSAGE_PAGE_IN_TRAILER,
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PageOrdinal = CDSC_MESSAGE_PAGE_ORDINAL,
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PagesWrong = CDSC_MESSAGE_PAGES_WRONG,
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EPSNoBBox = CDSC_MESSAGE_EPS_NO_BBOX,
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EPSPages = CDSC_MESSAGE_EPS_PAGES,
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NoMedia = CDSC_MESSAGE_NO_MEDIA,
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AtEnd = CDSC_MESSAGE_ATEND,
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DuplicateComment = CDSC_MESSAGE_DUP_COMMENT,
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DuplicateTrailer = CDSC_MESSAGE_DUP_TRAILER,
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BeginEnd = CDSC_MESSAGE_BEGIN_END,
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BadSection = CDSC_MESSAGE_BAD_SECTION,
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LongLine = CDSC_MESSAGE_LONG_LINE,
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IncorrectUsage = CDSC_MESSAGE_INCORRECT_USAGE
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};
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enum Severity
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{
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Information = CDSC_ERROR_INFORM,
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Warning = CDSC_ERROR_WARN,
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Error = CDSC_ERROR_ERROR
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};
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KDSCError( Type, Severity, const TQCString& line,
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unsigned int lineNumber );
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Type type() const;
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Severity severity() const;
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TQCString line() const;
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unsigned int lineNumber() const;
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private:
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Type _type;
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Severity _severity;
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TQCString _line;
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unsigned int _lineNumber;
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};
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class KDSCErrorHandler
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{
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public:
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virtual ~KDSCErrorHandler() {}
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enum Response
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{
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Ok = CDSC_RESPONSE_OK,
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Cancel = CDSC_RESPONSE_CANCEL,
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IgnoreAll = CDSC_RESPONSE_IGNORE_ALL
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};
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virtual Response error( const KDSCError& ) = 0;
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};
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class KDSCOkErrorHandler : public KDSCErrorHandler
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{
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Response error( const KDSCError& );
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};
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class KDSCCommentHandler
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{
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public:
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virtual ~KDSCCommentHandler() {}
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enum Name
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{
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// Header section
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PSAdobe = CDSC_PSADOBE,
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BeginComments = CDSC_BEGINCOMMENTS,
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EndComments = CDSC_ENDCOMMENTS,
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Pages = CDSC_PAGES,
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Creator = CDSC_CREATOR,
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CreationDate = CDSC_CREATIONDATE,
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Title = CDSC_TITLE,
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For = CDSC_FOR,
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LanguageLevel = CDSC_LANGUAGELEVEL,
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BoundingBox = CDSC_BOUNDINGBOX,
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Orientation = CDSC_ORIENTATION,
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PageOrder = CDSC_PAGEORDER,
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DocumentMedia = CDSC_DOCUMENTMEDIA,
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DocumentPaperSizes = CDSC_DOCUMENTPAPERSIZES,
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DocumentPaperForms = CDSC_DOCUMENTPAPERFORMS,
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DocumentPaperColors = CDSC_DOCUMENTPAPERCOLORS,
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DocumentPaperWeights = CDSC_DOCUMENTPAPERWEIGHTS,
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DocumentData = CDSC_DOCUMENTDATA,
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Requirements = CDSC_REQUIREMENTS,
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DocumentNeededFonts = CDSC_DOCUMENTNEEDEDFONTS,
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DocumentSuppliedFonts = CDSC_DOCUMENTSUPPLIEDFONTS,
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HiResBoundingBox = CDSC_HIRESBOUNDINGBOX,
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CropBox = CDSC_CROPBOX,
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// Preview section
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BeginPreview = CDSC_BEGINPREVIEW,
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EndPreview = CDSC_ENDPREVIEW,
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// Defaults section
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BeginDefaults = CDSC_BEGINDEFAULTS,
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EndDefaults = CDSC_ENDDEFAULTS,
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// also %%PageMedia, %%PageOrientation, %%PageBoundingBox
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// Prolog section
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BeginProlog = CDSC_BEGINPROLOG,
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EndProlog = CDSC_ENDPROLOG,
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BeginFont = CDSC_BEGINFONT,
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EndFont = CDSC_ENDFONT,
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BeginFeature = CDSC_BEGINFEATURE,
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EndFeature = CDSC_ENDFEATURE,
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BeginResource = CDSC_BEGINRESOURCE,
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EndResource = CDSC_ENDRESOURCE,
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BeginProcset = CDSC_BEGINPROCSET,
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EndProcset = CDSC_ENDPROCSET,
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// Setup section
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BeginSetup = CDSC_BEGINSETUP,
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EndSetup = CDSC_ENDSETUP,
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Feature = CDSC_FEATURE,
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PaperColor = CDSC_PAPERCOLOR,
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PaperForm = CDSC_PAPERFORM,
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PaperWeight = CDSC_PAPERWEIGHT,
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PaperSize = CDSC_PAPERSIZE,
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// also %%Begin/EndFeature, %%Begin/EndResource
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// Page section
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Page = CDSC_PAGE,
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PageTrailer = CDSC_PAGETRAILER,
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BeginPageSetup = CDSC_BEGINPAGESETUP,
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EndPageSetup = CDSC_ENDPAGESETUP,
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PageMedia = CDSC_PAGEMEDIA,
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// also %%PaperColor, %%PaperForm, %%PaperWeight, %%PaperSize
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PageOrientation = CDSC_PAGEORIENTATION,
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PageBoundingBox = CDSC_PAGEBOUNDINGBOX,
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// also %%Begin/EndFont, %%Begin/EndFeature
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// also %%Begin/EndResource, %%Begin/EndProcSet
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IncludeFont = CDSC_INCLUDEFONT,
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ViewingOrientation = CDSC_VIEWINGORIENTATION,
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// Trailer section
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Trailer = CDSC_TRAILER,
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// also %%Pages, %%BoundingBox, %%Orientation, %%PageOrder,
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// %%DocumentMedia
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// %%Page is recognised as an error
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// also %%DocumentNeededFonts, %%DocumentSuppliedFonts
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// End of File */
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Eof = CDSC_EOF
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};
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virtual void comment( Name name ) { std::cout << name << std::endl; }
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};
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class KDSCScanHandler;
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class KDSC
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{
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public:
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KDSC();
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~KDSC();
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/*--- Adapter for CDSC ------------------------------------------------*/
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TQString dsc_version() const;
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bool dsc() const;
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bool ctrld() const;
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bool pjl() const;
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bool epsf() const;
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bool pdf() const;
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unsigned int preview() const;
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unsigned int language_level() const;
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unsigned int document_data() const;
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unsigned long begincomments() const;
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unsigned long endcomments() const;
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unsigned long beginpreview() const;
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unsigned long endpreview() const;
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unsigned long begindefaults() const;
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unsigned long enddefaults() const;
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unsigned long beginprolog() const;
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unsigned long endprolog() const;
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unsigned long beginsetup() const;
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unsigned long endsetup() const;
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unsigned long begintrailer() const;
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unsigned long endtrailer() const;
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CDSCPAGE* page() const;
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unsigned int page_count() const;
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unsigned int page_pages() const;
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unsigned int page_order() const;
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unsigned int page_orientation() const;
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CDSCCTM* viewing_orientation() const;
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unsigned int media_count() const;
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CDSCMEDIA** media() const;
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const CDSCMEDIA* page_media() const;
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std::unique_ptr<KDSCBBOX> bbox() const;
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std::unique_ptr<KDSCBBOX> page_bbox() const;
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// CDSCDOSEPS *doseps;
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TQString dsc_title() const;
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TQString dsc_creator() const;
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TQString dsc_date() const;
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TQString dsc_for() const;
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// unsigned int max_error
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bool scanData( char*, unsigned int );
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/**
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* Tidy up from incorrect DSC comments.
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*/
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int fixup();
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KDSCErrorHandler* errorHandler() const;
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void setErrorHandler( KDSCErrorHandler* );
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KDSCCommentHandler* commentHandler() const;
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void setCommentHandler( KDSCCommentHandler* );
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/*--- Extra methods for convenience -----------------------------------*/
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bool isStructured() const;
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/*--- Temporary -------------------------------------------------------*/
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CDSC* cdsc() const;
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protected:
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static int errorFunction( void* caller_data, CDSC* dsc,
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unsigned int explanation,
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const char* line, unsigned int line_len );
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private:
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CDSC* _cdsc;
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KDSCErrorHandler* _errorHandler;
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KDSCCommentHandler* _commentHandler;
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KDSCScanHandler* _scanHandler;
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};
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class KDSCScanHandler
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{
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public:
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virtual ~KDSCScanHandler() {}
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KDSCScanHandler( CDSC* cdsc ) : _cdsc( cdsc ) {}
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virtual bool scanData( char* buf, unsigned int count )
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{
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return ( dsc_scan_data( _cdsc, buf, count ) >= 0 );
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}
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protected:
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CDSC* _cdsc;
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};
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class KDSCScanHandlerByLine : public KDSCScanHandler
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{
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public:
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KDSCScanHandlerByLine( CDSC* cdsc, KDSCCommentHandler* commentHandler ) :
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KDSCScanHandler( cdsc ),
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_commentHandler( commentHandler )
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{}
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virtual bool scanData( char* buf, unsigned int count );
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protected:
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KDSCCommentHandler* _commentHandler;
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};
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#endif
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