writerperfect/source/calc/StarOfficeCalcImportFilter.cxx

   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
  10 #include <cppuhelper/supportsservice.hxx>
  11
  12 #include <libstaroffice/libstaroffice.hxx>
  13
  14 #include "StarOfficeCalcImportFilter.hxx"
  15
  16 using com::sun::star::uno::Sequence;
  17 using com::sun::star::uno::XComponentContext;
  18 using com::sun::star::uno::XInterface;
  19
  20 static bool handleEmbeddedSTOFFGraphicObject(const librevenge::RVNGBinaryData& data,
  21                                              OdfDocumentHandler* pHandler,
  22                                              const OdfStreamType streamType)
  23 {
  24     OdgGenerator exporter;
  25     exporter.addDocumentHandler(pHandler, streamType);
  26     return STOFFDocument::decodeGraphic(data, &exporter);
  27 }
  28
  29 static bool handleEmbeddedSTOFFSpreadsheetObject(const librevenge::RVNGBinaryData& data,
  30                                                  OdfDocumentHandler* pHandler,
  31                                                  const OdfStreamType streamType)
  32 {
  33     OdsGenerator exporter;
  34     exporter.addDocumentHandler(pHandler, streamType);
  35     return STOFFDocument::decodeSpreadsheet(data, &exporter);
  36 }
  37
  38 bool StarOfficeCalcImportFilter::doImportDocument(weld::Window*,
  39                                                   librevenge::RVNGInputStream& rInput,
  40                                                   OdsGenerator& rGenerator, utl::MediaDescriptor&)
  41 {
  42     return STOFFDocument::STOFF_R_OK == STOFFDocument::parse(&rInput, &rGenerator);
  43 }
  44
  45 bool StarOfficeCalcImportFilter::doDetectFormat(librevenge::RVNGInputStream& rInput,
  46                                                 OUString& rTypeName)
  47 {
  48     rTypeName.clear();
  49     STOFFDocument::Kind docKind = STOFFDocument::STOFF_K_UNKNOWN;
  50     const STOFFDocument::Confidence confidence
  51         = STOFFDocument::isFileFormatSupported(&rInput, docKind);
  52     if (confidence == STOFFDocument::STOFF_C_EXCELLENT
  53         || confidence == STOFFDocument::STOFF_C_SUPPORTED_ENCRYPTION)
  54     {
  55         switch (docKind)
  56         {
  57             case STOFFDocument::STOFF_K_DATABASE:
  58             case STOFFDocument::STOFF_K_SPREADSHEET:
  59                 rTypeName = "StarOffice_Spreadsheet";
  60                 break;
  61             default:
  62                 break;
  63         }
  64     }
  65
  66     return !rTypeName.isEmpty();
  67 }
  68
  69 void StarOfficeCalcImportFilter::doRegisterHandlers(OdsGenerator& rGenerator)
  70 {
  71     rGenerator.registerEmbeddedObjectHandler("image/stoff-odg", &handleEmbeddedSTOFFGraphicObject);
  72     rGenerator.registerEmbeddedObjectHandler("image/stoff-ods",
  73                                              &handleEmbeddedSTOFFSpreadsheetObject);
  74 }
  75
  76 // XServiceInfo
  77 OUString SAL_CALL StarOfficeCalcImportFilter::getImplementationName()
  78 {
  79     return u"org.libreoffice.comp.Calc.StarOfficeCalcImportFilter"_ustr;
  80 }
  81
  82 sal_Bool SAL_CALL StarOfficeCalcImportFilter::supportsService(const OUString& rServiceName)
  83 {
  84     return cppu::supportsService(this, rServiceName);
  85 }
  86
  87 Sequence<OUString> SAL_CALL StarOfficeCalcImportFilter::getSupportedServiceNames()
  88 {
  89     return { u"com.sun.star.document.ImportFilter"_ustr,
  90              u"com.sun.star.document.ExtendedTypeDetection"_ustr };
  91 }
  92
  93 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
  94 org_libreoffice_comp_Calc_StarOfficeCalcImportFilter_get_implementation(
  95     css::uno::XComponentContext* const context, const css::uno::Sequence<css::uno::Any>&)
  96 {
  97     return cppu::acquire(new StarOfficeCalcImportFilter(context));
  98 }
  99
 100 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */