writerperfect/source/draw/MWAWDrawImportFilter.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* MWAWDrawImportFilter: Sets up the filter, and calls DocumentCollector
   3  * to do the actual filtering
   4  *
   5  * This file is part of the LibreOffice project.
   6  *
   7  * This Source Code Form is subject to the terms of the Mozilla Public
   8  * License, v. 2.0. If a copy of the MPL was not distributed with this
   9  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  10  */
  11
  12 #include <cppuhelper/supportsservice.hxx>
  13
  14 #include <libmwaw/libmwaw.hxx>
  15 #include <libodfgen/libodfgen.hxx>
  16
  17 #include "MWAWDrawImportFilter.hxx"
  18
  19 using com::sun::star::uno::Sequence;
  20 using com::sun::star::uno::XInterface;
  21 using com::sun::star::uno::RuntimeException;
  22 using com::sun::star::uno::XComponentContext;
  23
  24 static bool handleEmbeddedMWAWGraphicObject(const librevenge::RVNGBinaryData &data, OdfDocumentHandler *pHandler,  const OdfStreamType streamType)
  25 {
  26     OdgGenerator exporter;
  27     exporter.addDocumentHandler(pHandler, streamType);
  28     return MWAWDocument::decodeGraphic(data, &exporter);
  29 }
  30
  31 static bool handleEmbeddedMWAWSpreadsheetObject(const librevenge::RVNGBinaryData &data, OdfDocumentHandler *pHandler,  const OdfStreamType streamType)
  32 {
  33     OdsGenerator exporter;
  34     exporter.registerEmbeddedObjectHandler("image/mwaw-odg", &handleEmbeddedMWAWGraphicObject);
  35     exporter.addDocumentHandler(pHandler, streamType);
  36     return MWAWDocument::decodeSpreadsheet(data, &exporter);
  37 }
  38
  39 bool MWAWDrawImportFilter::doImportDocument(librevenge::RVNGInputStream &rInput, OdgGenerator &rGenerator, utl::MediaDescriptor &)
  40 {
  41     return MWAWDocument::MWAW_R_OK == MWAWDocument::parse(&rInput, &rGenerator);
  42 }
  43
  44 bool MWAWDrawImportFilter::doDetectFormat(librevenge::RVNGInputStream &rInput, OUString &rTypeName)
  45 {
  46     rTypeName.clear();
  47
  48     MWAWDocument::Type docType = MWAWDocument::MWAW_T_UNKNOWN;
  49     MWAWDocument::Kind docKind = MWAWDocument::MWAW_K_UNKNOWN;
  50     const MWAWDocument::Confidence confidence = MWAWDocument::isFileFormatSupported(&rInput, docType, docKind);
  51
  52     if (confidence == MWAWDocument::MWAW_C_EXCELLENT)
  53     {
  54         switch (docKind)
  55         {
  56         case MWAWDocument::MWAW_K_DRAW:
  57             switch (docType)
  58             {
  59             case MWAWDocument::MWAW_T_CLARISWORKS:
  60                 rTypeName = "draw_ClarisWorks";
  61                 break;
  62             default:
  63                 rTypeName = "MWAW_Drawing";
  64                 break;
  65             }
  66             break;
  67         case MWAWDocument::MWAW_K_PAINT:
  68             switch (docType)
  69             {
  70             case MWAWDocument::MWAW_T_CLARISWORKS:
  71                 rTypeName = "draw_ClarisWorks";
  72                 break;
  73             default:
  74                 rTypeName = "MWAW_Bitmap";
  75                 break;
  76             }
  77             break;
  78         default:
  79             break;
  80         }
  81     }
  82
  83     return !rTypeName.isEmpty();
  84 }
  85
  86 void MWAWDrawImportFilter::doRegisterHandlers(OdgGenerator &rGenerator)
  87 {
  88     rGenerator.registerEmbeddedObjectHandler("image/mwaw-odg", &handleEmbeddedMWAWGraphicObject);
  89     rGenerator.registerEmbeddedObjectHandler("image/mwaw-ods", &handleEmbeddedMWAWSpreadsheetObject);
  90 }
  91
  92 // XServiceInfo
  93 OUString SAL_CALL MWAWDrawImportFilter::getImplementationName()
  94 throw (RuntimeException, std::exception)
  95 {
  96     return OUString("com.sun.star.comp.Draw.MWAWDrawImportFilter");
  97 }
  98
  99 sal_Bool SAL_CALL MWAWDrawImportFilter::supportsService(const OUString &rServiceName)
 100 throw (RuntimeException, std::exception)
 101 {
 102     return cppu::supportsService(this, rServiceName);
 103 }
 104
 105 Sequence< OUString > SAL_CALL MWAWDrawImportFilter::getSupportedServiceNames()
 106 throw (RuntimeException, std::exception)
 107 {
 108     Sequence < OUString > aRet(2);
 109     OUString *pArray = aRet.getArray();
 110     pArray[0] =  "com.sun.star.document.ImportFilter";
 111     pArray[1] =  "com.sun.star.document.ExtendedTypeDetection";
 112     return aRet;
 113 }
 114
 115 extern "C"
 116 SAL_DLLPUBLIC_EXPORT css::uno::XInterface *SAL_CALL
 117 com_sun_star_comp_Draw_MWAWDrawImportFilter_get_implementation(
 118     css::uno::XComponentContext *const context,
 119     const css::uno::Sequence<css::uno::Any> &)
 120 {
 121     return cppu::acquire(new MWAWDrawImportFilter(context));
 122 }
 123
 124 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */