hwpfilter/source/hwpreader.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_HWPFILTER_SOURCE_HWPREADER_HXX
  21 #define INCLUDED_HWPFILTER_SOURCE_HWPREADER_HXX
  22
  23 #include <errno.h>
  24 #include <stdio.h>
  25 #include <string.h>
  26 #include <sal/alloca.h>
  27
  28 #include <com/sun/star/lang/XServiceInfo.hpp>
  29 #include <com/sun/star/lang/XComponent.hpp>
  30 #include <com/sun/star/lang/XSingleServiceFactory.hpp>
  31 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  32 #include <com/sun/star/io/XInputStream.hpp>
  33 #include <com/sun/star/document/XFilter.hpp>
  34 #include <com/sun/star/document/XImporter.hpp>
  35 #include <com/sun/star/xml/sax/XDocumentHandler.hpp>
  36
  37 #include <com/sun/star/io/XActiveDataSink.hpp>
  38 #include <com/sun/star/io/XActiveDataControl.hpp>
  39 #include <com/sun/star/io/XStreamListener.hpp>
  40 #include <com/sun/star/document/XExtendedFilterDetection.hpp>
  41
  42 #include <cppuhelper/factory.hxx>
  43 #include <cppuhelper/implbase.hxx>
  44 #include <cppuhelper/supportsservice.hxx>
  45 #include <cppuhelper/weak.hxx>
  46 #include <memory>
  47
  48 using namespace ::cppu;
  49 using namespace ::com::sun::star::lang;
  50 using namespace ::com::sun::star::uno;
  51 using namespace ::com::sun::star::io;
  52 using namespace ::com::sun::star::registry;
  53 using namespace ::com::sun::star::document;
  54 using namespace ::com::sun::star::beans;
  55 using namespace ::com::sun::star::xml::sax;
  56
  57 #include <assert.h>
  58
  59 #include <unotools/mediadescriptor.hxx>
  60
  61 #include "hwpfile.h"
  62 #include "hcode.h"
  63 #include "hbox.h"
  64 #include "htags.h"
  65 #include "hstream.hxx"
  66 #include "drawdef.h"
  67 #include "attributes.hxx"
  68
  69 #define IMPLEMENTATION_NAME "com.sun.comp.hwpimport.HwpImportFilter"
  70 #define SERVICE_NAME1 "com.sun.star.document.ImportFilter"
  71 #define SERVICE_NAME2 "com.sun.star.document.ExtendedTypeDetection"
  72 #define WRITER_IMPORTER_NAME "com.sun.star.comp.Writer.XMLImporter"
  73
  74 struct HwpReaderPrivate;
  75 /**
  76  * This class implements the external Parser interface
  77  */
  78 class HwpReader : public WeakImplHelper<XFilter>
  79 {
  80
  81 public:
  82     HwpReader();
  83     virtual ~HwpReader() override;
  84
  85 public:
  86     /**
  87      * parseStream does Parser-startup initializations
  88      */
  89     virtual sal_Bool SAL_CALL filter(const Sequence< PropertyValue >& aDescriptor) override;
  90     virtual void SAL_CALL cancel() override {}
  91     void setDocumentHandler(Reference< XDocumentHandler > const & xHandler)
  92     {
  93         m_rxDocumentHandler = xHandler;
  94     }
  95 private:
  96     Reference< XDocumentHandler > m_rxDocumentHandler;
  97     rtl::Reference<AttributeListImpl> mxList;
  98     HWPFile hwpfile;
  99     std::unique_ptr<HwpReaderPrivate> d;
 100 private:
 101     /* -------- Document Parsing --------- */
 102     void makeMeta();
 103     void makeStyles();
 104     void makeDrawMiscStyle(HWPDrawingObject *);
 105     void makeAutoStyles();
 106     void makeMasterStyles();
 107     void makeBody();
 108
 109     void makeTextDecls();
 110
 111     /* -------- Paragraph Parsing --------- */
 112     void parsePara(HWPPara *para);
 113     void make_text_p0(HWPPara *para, bool bParaStart);
 114     void make_text_p1(HWPPara *para, bool bParaStart);
 115     void make_text_p3(HWPPara *para, bool bParaStart);
 116
 117     /* -------- rDocument->characters(x) --------- */
 118     void makeChars(hchar_string & rStr);
 119
 120     /* -------- Special Char Parsing --------- */
 121     void makeFieldCode(hchar_string const & rStr, FieldCode const *hbox); //6
 122     void makeBookmark(Bookmark const *hbox);      //6
 123     void makeDateFormat(DateCode *hbox);    //7
 124     void makeDateCode(DateCode *hbox);      //8
 125     void makeTab();            //9
 126     void makeTable(TxtBox *hbox);
 127     void makeTextBox(TxtBox *hbox);
 128     void makeFormula(TxtBox *hbox);
 129     void makeHyperText(TxtBox *hbox);
 130     void makePicture(Picture *hbox);
 131     void makePictureDRAW(HWPDrawingObject *drawobj, Picture *hbox);
 132     void makeLine();
 133     void makeHidden(Hidden *hbox);
 134     void makeFootnote(Footnote *hbox);
 135     void makeAutoNum(AutoNum const *hbox);
 136     void makeShowPageNum();
 137     void makeMailMerge(MailMerge *hbox);
 138     void makeOutline(Outline const *hbox);
 139
 140     /* --------- Styles Parsing ------------ */
 141     void makePageStyle();
 142     void makeColumns(ColumnDef const *);
 143     void makeTStyle(CharShape const *);
 144     void makePStyle(ParaShape const *);
 145     void makeFStyle(FBoxStyle *);
 146     void makeCaptionStyle(FBoxStyle *);
 147     void makeDrawStyle(HWPDrawingObject *,FBoxStyle *);
 148     void makeTableStyle(Table *);
 149     void parseCharShape(CharShape const *);
 150     void parseParaShape(ParaShape const *);
 151     static char* getTStyleName(int, char *);
 152     static char* getPStyleName(int, char *);
 153 };
 154
 155 class HwpImportFilter : public WeakImplHelper< XFilter, XImporter, XServiceInfo, XExtendedFilterDetection >
 156 {
 157 public:
 158     explicit HwpImportFilter(const Reference< XMultiServiceFactory >& rFact);
 159     virtual ~HwpImportFilter() override;
 160
 161 public:
 162     static Sequence< OUString > getSupportedServiceNames_Static() throw();
 163     static OUString getImplementationName_Static() throw();
 164
 165 public:
 166     // XFilter
 167     virtual sal_Bool SAL_CALL filter( const Sequence< PropertyValue >& aDescriptor ) override;
 168     virtual void SAL_CALL cancel() override;
 169
 170     // XImporter
 171     virtual void SAL_CALL setTargetDocument( const Reference< XComponent >& xDoc) override;
 172
 173     // XServiceInfo
 174     OUString SAL_CALL getImplementationName() override;
 175     Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
 176     sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
 177
 178     //XExtendedFilterDetection
 179     virtual OUString SAL_CALL detect( css::uno::Sequence< css::beans::PropertyValue >& rDescriptor ) override;
 180
 181 private:
 182     Reference< XFilter > rFilter;
 183     Reference< XImporter > rImporter;
 184 };
 185
 186 /// @throws Exception
 187 Reference< XInterface > HwpImportFilter_CreateInstance(
 188     const Reference< XMultiServiceFactory >& rSMgr )
 189 {
 190     HwpImportFilter *p = new HwpImportFilter( rSMgr );
 191
 192     return Reference< XInterface > ( static_cast<OWeakObject*>(p) );
 193 }
 194
 195 Sequence< OUString > HwpImportFilter::getSupportedServiceNames_Static() throw ()
 196 {
 197     return { HwpImportFilter::getImplementationName_Static() };
 198 }
 199
 200 HwpImportFilter::HwpImportFilter(const Reference< XMultiServiceFactory >& rFact)
 201 {
 202     OUString sService( WRITER_IMPORTER_NAME );
 203     try {
 204         Reference< XDocumentHandler > xHandler( rFact->createInstance( sService ), UNO_QUERY );
 205
 206         HwpReader *p = new HwpReader;
 207         p->setDocumentHandler( xHandler );
 208
 209         Reference< XImporter > xImporter( xHandler, UNO_QUERY );
 210         rImporter = xImporter;
 211         Reference< XFilter > xFilter( p );
 212         rFilter = xFilter;
 213     }
 214     catch( Exception & )
 215     {
 216         printf(" fail to instantiate %s\n", WRITER_IMPORTER_NAME );
 217         exit( 1 );
 218     }
 219 }
 220
 221 HwpImportFilter::~HwpImportFilter()
 222 {
 223 }
 224
 225 sal_Bool HwpImportFilter::filter( const Sequence< PropertyValue >& aDescriptor )
 226 {
 227     // delegate to IchitaroImpoter
 228     return rFilter->filter( aDescriptor );
 229 }
 230
 231 void HwpImportFilter::cancel()
 232 {
 233     rFilter->cancel();
 234 }
 235
 236 void HwpImportFilter::setTargetDocument( const Reference< XComponent >& xDoc )
 237 {
 238         // delegate
 239     rImporter->setTargetDocument( xDoc );
 240 }
 241
 242 OUString HwpImportFilter::getImplementationName_Static() throw()
 243 {
 244     return IMPLEMENTATION_NAME;
 245 }
 246
 247 OUString HwpImportFilter::getImplementationName()
 248 {
 249     return IMPLEMENTATION_NAME;
 250 }
 251
 252 sal_Bool HwpImportFilter::supportsService( const OUString& ServiceName )
 253 {
 254     return cppu::supportsService(this, ServiceName);
 255 }
 256
 257 //XExtendedFilterDetection
 258 OUString HwpImportFilter::detect( css::uno::Sequence< css::beans::PropertyValue >& rDescriptor )
 259 {
 260     OUString sTypeName;
 261
 262     utl::MediaDescriptor aDescriptor(rDescriptor);
 263     aDescriptor.addInputStream();
 264
 265     Reference< XInputStream > xInputStream(
 266         aDescriptor[utl::MediaDescriptor::PROP_INPUTSTREAM()], UNO_QUERY);
 267
 268     if (xInputStream.is())
 269     {
 270         Sequence< sal_Int8 > aData;
 271         sal_Int32 nLen = HWPIDLen;
 272         if (
 273              nLen == xInputStream->readBytes(aData, nLen) &&
 274              detect_hwp_version(reinterpret_cast<const char*>(aData.getConstArray()))
 275            )
 276         {
 277             sTypeName = "writer_MIZI_Hwp_97";
 278         }
 279     }
 280
 281     return sTypeName;
 282 }
 283
 284 Sequence< OUString> HwpImportFilter::getSupportedServiceNames()
 285 {
 286     return { SERVICE_NAME1, SERVICE_NAME2 };
 287 }
 288
 289 extern "C"
 290 {
 291     SAL_DLLPUBLIC_EXPORT void * hwp_component_getFactory( const char * pImplName, void * pServiceManager, void *  )
 292     {
 293         void * pRet = nullptr;
 294
 295         if (pServiceManager )
 296         {
 297             Reference< XSingleServiceFactory > xRet;
 298             Reference< XMultiServiceFactory > xSMgr = static_cast< XMultiServiceFactory * > ( pServiceManager );
 299
 300             OUString aImplementationName = OUString::createFromAscii( pImplName );
 301
 302             if (aImplementationName == IMPLEMENTATION_NAME )
 303             {
 304                 xRet = createSingleFactory( xSMgr, aImplementationName,
 305                                             HwpImportFilter_CreateInstance,
 306                                             HwpImportFilter::getSupportedServiceNames_Static() );
 307             }
 308             if (xRet.is())
 309             {
 310                 xRet->acquire();
 311                 pRet = xRet.get();
 312             }
 313         }
 314
 315         return pRet;
 316     }
 317 }
 318
 319 #endif
 320
 321 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */