writerperfect/source/writer/StarOfficeWriterImportFilter.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 <sfx2/passwd.hxx>
  15
  16 #include "StarOfficeWriterImportFilter.hxx"
  17
  18 using com::sun::star::uno::Sequence;
  19 using com::sun::star::uno::XComponentContext;
  20 using com::sun::star::uno::XInterface;
  21
  22 static bool handleEmbeddedSTOFFWriterGraphicObject(const librevenge::RVNGBinaryData& data,
  23                                                    OdfDocumentHandler* pHandler,
  24                                                    const OdfStreamType streamType)
  25 {
  26     OdgGenerator exporter;
  27     exporter.addDocumentHandler(pHandler, streamType);
  28     return STOFFDocument::decodeGraphic(data, &exporter);
  29 }
  30
  31 static bool handleEmbeddedSTOFFWriterSpreadsheetObject(const librevenge::RVNGBinaryData& data,
  32                                                        OdfDocumentHandler* pHandler,
  33                                                        const OdfStreamType streamType)
  34 {
  35     OdsGenerator exporter;
  36     exporter.registerEmbeddedObjectHandler("image/stoff-odg",
  37                                            &handleEmbeddedSTOFFWriterGraphicObject);
  38     exporter.addDocumentHandler(pHandler, streamType);
  39     return STOFFDocument::decodeSpreadsheet(data, &exporter);
  40 }
  41
  42 bool StarOfficeWriterImportFilter::doImportDocument(weld::Window* pParent,
  43                                                     librevenge::RVNGInputStream& rInput,
  44                                                     OdtGenerator& rGenerator, utl::MediaDescriptor&)
  45 {
  46     STOFFDocument::Kind docKind = STOFFDocument::STOFF_K_UNKNOWN;
  47     const STOFFDocument::Confidence confidence
  48         = STOFFDocument::isFileFormatSupported(&rInput, docKind);
  49     OString aUtf8Passwd;
  50     if (confidence == STOFFDocument::STOFF_C_SUPPORTED_ENCRYPTION)
  51     {
  52         // try to ask for a password
  53         try
  54         {
  55             SfxPasswordDialog aPasswdDlg(pParent);
  56             aPasswdDlg.SetMinLen(0);
  57             if (!aPasswdDlg.run())
  58                 return false;
  59             OUString aPasswd = aPasswdDlg.GetPassword();
  60             aUtf8Passwd = OUStringToOString(aPasswd, RTL_TEXTENCODING_UTF8);
  61         }
  62         catch (...)
  63         {
  64             // ok, we will probably guess it
  65         }
  66     }
  67     return STOFFDocument::STOFF_R_OK
  68            == STOFFDocument::parse(&rInput, &rGenerator,
  69                                    !aUtf8Passwd.isEmpty() ? aUtf8Passwd.getStr() : nullptr);
  70 }
  71
  72 bool StarOfficeWriterImportFilter::doDetectFormat(librevenge::RVNGInputStream& rInput,
  73                                                   OUString& rTypeName)
  74 {
  75     rTypeName.clear();
  76
  77     STOFFDocument::Kind docKind = STOFFDocument::STOFF_K_UNKNOWN;
  78     const STOFFDocument::Confidence confidence
  79         = STOFFDocument::isFileFormatSupported(&rInput, docKind);
  80
  81     if (confidence == STOFFDocument::STOFF_C_EXCELLENT
  82         || confidence == STOFFDocument::STOFF_C_SUPPORTED_ENCRYPTION)
  83     {
  84         switch (docKind)
  85         {
  86             case STOFFDocument::STOFF_K_TEXT:
  87                 rTypeName = "StarOffice_Writer";
  88                 break;
  89             default:
  90                 break;
  91         }
  92     }
  93
  94     return !rTypeName.isEmpty();
  95 }
  96
  97 void StarOfficeWriterImportFilter::doRegisterHandlers(OdtGenerator& rGenerator)
  98 {
  99     rGenerator.registerEmbeddedObjectHandler("image/stoff-odg",
 100                                              &handleEmbeddedSTOFFWriterGraphicObject);
 101     rGenerator.registerEmbeddedObjectHandler("image/stoff-ods",
 102                                              &handleEmbeddedSTOFFWriterSpreadsheetObject);
 103 }
 104
 105 // XServiceInfo
 106 OUString SAL_CALL StarOfficeWriterImportFilter::getImplementationName()
 107 {
 108     return "org.libreoffice.comp.Writer.StarOfficeWriterImportFilter";
 109 }
 110
 111 sal_Bool SAL_CALL StarOfficeWriterImportFilter::supportsService(const OUString& rServiceName)
 112 {
 113     return cppu::supportsService(this, rServiceName);
 114 }
 115
 116 Sequence<OUString> SAL_CALL StarOfficeWriterImportFilter::getSupportedServiceNames()
 117 {
 118     return { "com.sun.star.document.ImportFilter", "com.sun.star.document.ExtendedTypeDetection" };
 119 }
 120
 121 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
 122 org_libreoffice_comp_Writer_StarOfficeWriterImportFilter_get_implementation(
 123     css::uno::XComponentContext* const context, const css::uno::Sequence<css::uno::Any>&)
 124 {
 125     return cppu::acquire(new StarOfficeWriterImportFilter(context));
 126 }
 127
 128 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */