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
  16 #include "MWAWDrawImportFilter.hxx"
  17
  18 static bool handleEmbeddedMWAWGraphicObject(const librevenge::RVNGBinaryData& data,
  19                                             OdfDocumentHandler* pHandler,
  20                                             const OdfStreamType streamType)
  21 {
  22     OdgGenerator exporter;
  23     exporter.addDocumentHandler(pHandler, streamType);
  24     return MWAWDocument::decodeGraphic(data, &exporter);
  25 }
  26
  27 static bool handleEmbeddedMWAWSpreadsheetObject(const librevenge::RVNGBinaryData& data,
  28                                                 OdfDocumentHandler* pHandler,
  29                                                 const OdfStreamType streamType)
  30 {
  31     OdsGenerator exporter;
  32     exporter.registerEmbeddedObjectHandler("image/mwaw-odg", &handleEmbeddedMWAWGraphicObject);
  33     exporter.addDocumentHandler(pHandler, streamType);
  34     return MWAWDocument::decodeSpreadsheet(data, &exporter);
  35 }
  36
  37 bool MWAWDrawImportFilter::doImportDocument(weld::Window*, librevenge::RVNGInputStream& rInput,
  38                                             OdgGenerator& rGenerator, utl::MediaDescriptor&)
  39 {
  40     return MWAWDocument::MWAW_R_OK == MWAWDocument::parse(&rInput, &rGenerator);
  41 }
  42
  43 bool MWAWDrawImportFilter::doDetectFormat(librevenge::RVNGInputStream& rInput, OUString& rTypeName)
  44 {
  45     rTypeName.clear();
  46
  47     MWAWDocument::Type docType = MWAWDocument::MWAW_T_UNKNOWN;
  48     MWAWDocument::Kind docKind = MWAWDocument::MWAW_K_UNKNOWN;
  49     const MWAWDocument::Confidence confidence
  50         = 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",
  90                                              &handleEmbeddedMWAWSpreadsheetObject);
  91 }
  92
  93 // XServiceInfo
  94 OUString SAL_CALL MWAWDrawImportFilter::getImplementationName()
  95 {
  96     return u"com.sun.star.comp.Draw.MWAWDrawImportFilter"_ustr;
  97 }
  98
  99 sal_Bool SAL_CALL MWAWDrawImportFilter::supportsService(const OUString& rServiceName)
 100 {
 101     return cppu::supportsService(this, rServiceName);
 102 }
 103
 104 css::uno::Sequence<OUString> SAL_CALL MWAWDrawImportFilter::getSupportedServiceNames()
 105 {
 106     return { u"com.sun.star.document.ImportFilter"_ustr,
 107              u"com.sun.star.document.ExtendedTypeDetection"_ustr };
 108 }
 109
 110 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
 111 com_sun_star_comp_Draw_MWAWDrawImportFilter_get_implementation(
 112     css::uno::XComponentContext* const context, const css::uno::Sequence<css::uno::Any>&)
 113 {
 114     return cppu::acquire(new MWAWDrawImportFilter(context));
 115 }
 116
 117 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */