Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

9 files changed, 960 insertions, 0 deletions

diff --git a/writerperfect/source/calc/MSWorksCalcImportFilter.cxx b/writerperfect/source/calc/MSWorksCalcImportFilter.cxx
new file mode 100644
index 000000000..b0118eaad
--- /dev/null
+++ b/writerperfect/source/calc/MSWorksCalcImportFilter.cxx
@@ -0,0 +1,474 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* MSWorksCalcImportFilter: Sets up the filter, and calls DocumentCollector
+ * to do the actual filtering
+ *
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <com/sun/star/awt/XWindow.hpp>
+#include <com/sun/star/container/XChild.hpp>
+#include <com/sun/star/sdbc/XResultSet.hpp>
+#include <com/sun/star/sdbc/XRow.hpp>
+#include <com/sun/star/ucb/XContent.hpp>
+#include <com/sun/star/ucb/XContentAccess.hpp>
+#include <sal/log.hxx>
+#include <comphelper/processfactory.hxx>
+#include <cppuhelper/supportsservice.hxx>
+#include <sfx2/passwd.hxx>
+#include <tools/urlobj.hxx>
+#include <ucbhelper/content.hxx>
+
+#include <libwps/libwps.h>
+
+#include <DocumentHandlerForOds.hxx>
+#include <WPFTEncodingDialog.hxx>
+#include <WPFTResMgr.hxx>
+#include "MSWorksCalcImportFilter.hxx"
+#include <strings.hrc>
+
+#include <iostream>
+#include <map>
+
+using namespace ::com::sun::star;
+
+namespace MSWorksCalcImportFilterInternal
+{
+/// returns the list of stream name present in a folder
+static uno::Reference<sdbc::XResultSet>
+getResultSet(const css::uno::Reference<css::ucb::XContent>& xPackageContent)
+{
+    try
+    {
+        if (xPackageContent.is())
+        {
+            ucbhelper::Content packageContent(xPackageContent,
+                                              uno::Reference<ucb::XCommandEnvironment>(),
+                                              comphelper::getProcessComponentContext());
+            uno::Sequence<OUString> lPropNames{ "Title" };
+            uno::Reference<sdbc::XResultSet> xResultSet(
+                packageContent.createCursor(lPropNames, ucbhelper::INCLUDE_DOCUMENTS_ONLY));
+            return xResultSet;
+        }
+        return uno::Reference<sdbc::XResultSet>();
+    }
+    catch (...)
+    {
+        SAL_WARN("writerperfect",
+                 "ignoring Exception in MSWorksCalcImportFilterInternal:getResultSet");
+        return uno::Reference<sdbc::XResultSet>();
+    }
+}
+
+namespace
+{
+/** internal class used to create a structured RVNGInputStream from a list of path and their short names
+ */
+class FolderStream : public librevenge::RVNGInputStream
+{
+public:
+    //! constructor
+    explicit FolderStream(const css::uno::Reference<css::ucb::XContent>& xContent)
+        : m_xContent(xContent)
+    {
+    }
+
+    //! add a file
+    void addFile(OUString const& path, std::string const& shortName)
+    {
+        m_nameToPathMap[shortName] = path;
+    }
+    /**! reads numbytes data.
+
+     * \return a pointer to the read elements
+     */
+    const unsigned char* read(unsigned long, unsigned long&) override { return nullptr; }
+    //! returns actual offset position
+    long tell() override { return 0; }
+    /*! \brief seeks to an offset position, from actual, beginning or ending position
+     * \return 0 if ok
+     */
+    int seek(long, librevenge::RVNG_SEEK_TYPE) override { return 1; }
+    //! returns true if we are at the end of the section/file
+    bool isEnd() override { return true; }
+
+    /** returns true if the stream is ole
+
+     \sa returns always false*/
+    bool isStructured() override { return true; }
+    /** returns the number of sub streams.
+
+     \sa returns always 2*/
+    unsigned subStreamCount() override { return unsigned(m_nameToPathMap.size()); }
+    /** returns the ith sub streams name */
+    const char* subStreamName(unsigned id) override
+    {
+        if (m_nameToPathMap.size() < id)
+            return nullptr;
+
+        std::map<std::string, OUString>::const_iterator it = m_nameToPathMap.begin();
+        std::advance(it, id);
+        return it->first.c_str();
+    }
+    /** returns true if a substream with name exists */
+    bool existsSubStream(const char* name) override
+    {
+        return name && m_nameToPathMap.find(name) != m_nameToPathMap.end();
+    }
+    /** return a new stream for an OLE zone */
+    librevenge::RVNGInputStream* getSubStreamByName(const char* name) override
+    {
+        if (m_nameToPathMap.find(name) == m_nameToPathMap.end() || !m_xContent.is())
+            return nullptr;
+
+        try
+        {
+            const uno::Reference<sdbc::XResultSet> xResultSet = getResultSet(m_xContent);
+            if (xResultSet.is() && xResultSet->first())
+            {
+                const uno::Reference<ucb::XContentAccess> xContentAccess(xResultSet,
+                                                                         uno::UNO_QUERY_THROW);
+                const uno::Reference<sdbc::XRow> xRow(xResultSet, uno::UNO_QUERY_THROW);
+                OUString lPath = m_nameToPathMap.find(name)->second;
+                do
+                {
+                    const OUString aTitle(xRow->getString(1));
+                    if (aTitle != lPath)
+                        continue;
+
+                    const uno::Reference<ucb::XContent> xSubContent(xContentAccess->queryContent());
+                    ucbhelper::Content aSubContent(xSubContent,
+                                                   uno::Reference<ucb::XCommandEnvironment>(),
+                                                   comphelper::getProcessComponentContext());
+                    uno::Reference<io::XInputStream> xInputStream = aSubContent.openStream();
+                    if (xInputStream.is())
+                        return new writerperfect::WPXSvInputStream(xInputStream);
+                    break;
+                } while (xResultSet->next());
+            }
+        }
+        catch (...)
+        {
+            SAL_WARN("writerperfect", "ignoring Exception in "
+                                      "MSWorksCalcImportFilterInternal::FolderStream::"
+                                      "getSubStreamByName");
+        }
+
+        return nullptr;
+    }
+    /** return a new stream for an OLE zone */
+    librevenge::RVNGInputStream* getSubStreamById(unsigned id) override
+    {
+        char const* name = subStreamName(id);
+        return name ? getSubStreamByName(name) : nullptr;
+    }
+
+private:
+    /// the main container
+    uno::Reference<ucb::XContent> m_xContent;
+    /// the map short name to path
+    std::map<std::string, OUString> m_nameToPathMap;
+    FolderStream(const FolderStream&) = delete;
+    FolderStream& operator=(const FolderStream&) = delete;
+};
+}
+}
+
+////////////////////////////////////////////////////////////
+bool MSWorksCalcImportFilter::doImportDocument(weld::Window* pParent,
+                                               librevenge::RVNGInputStream& rInput,
+                                               OdsGenerator& rGenerator,
+                                               utl::MediaDescriptor& mediaDescriptor)
+{
+    libwps::WPSKind kind = libwps::WPS_TEXT;
+    libwps::WPSCreator creator;
+    bool needEncoding;
+    const libwps::WPSConfidence confidence
+        = libwps::WPSDocument::isFileFormatSupported(&rInput, kind, creator, needEncoding);
+
+    if ((kind != libwps::WPS_SPREADSHEET && kind != libwps::WPS_DATABASE)
+        || (confidence == libwps::WPS_CONFIDENCE_NONE))
+        return false;
+    std::string fileEncoding;
+    if (needEncoding)
+    {
+        OUString encoding;
+        // first check if we can find the encoding in the filter options (headless mode)
+        mediaDescriptor[utl::MediaDescriptor::PROP_FILTEROPTIONS] >>= encoding;
+        if (!encoding.isEmpty()) // TODO: check if the encoding string is valid
+            fileEncoding = encoding.toUtf8().getStr();
+        else
+        {
+            OUString title;
+            switch (creator)
+            {
+                case libwps::WPS_MSWORKS:
+                    title = WpResId(STR_ENCODING_DIALOG_TITLE_MSWORKS);
+                    encoding = "CP850";
+                    break;
+                case libwps::WPS_LOTUS:
+                    title = WpResId(STR_ENCODING_DIALOG_TITLE_LOTUS);
+                    encoding = "CP437";
+                    break;
+                case libwps::WPS_SYMPHONY:
+                    title = WpResId(STR_ENCODING_DIALOG_TITLE_SYMPHONY);
+                    encoding = "CP437";
+                    break;
+                case libwps::WPS_QUATTRO_PRO:
+                    title = WpResId(STR_ENCODING_DIALOG_TITLE_QUATTROPRO);
+                    encoding = "CP437";
+                    break;
+                case libwps::WPS_RESERVED_2:
+                    title = WpResId(STR_ENCODING_DIALOG_TITLE_MSMULTIPLAN);
+                    encoding = "CP437";
+                    break;
+                default:
+                    SAL_INFO("writerperfect", "unexpected creator: " << creator);
+                    title = WpResId(STR_ENCODING_DIALOG_TITLE);
+                    encoding = "CP437";
+                    break;
+            }
+
+            fileEncoding = encoding.toUtf8().getStr(); // set default to the proposed encoding
+            try
+            {
+                writerperfect::WPFTEncodingDialog aDlg(pParent, title, encoding);
+                if (aDlg.run() == RET_OK)
+                {
+                    if (!aDlg.GetEncoding().isEmpty())
+                        fileEncoding = aDlg.GetEncoding().toUtf8().getStr();
+                }
+                // we can fail because we are in headless mode, the user has cancelled conversion, ...
+                else if (aDlg.hasUserCalledCancel())
+                    return false;
+            }
+            catch (...)
+            {
+                SAL_WARN("writerperfect",
+                         "ignoring Exception in MSWorksCalcImportFilter::doImportDocument");
+            }
+        }
+    }
+    OString aUtf8Passwd;
+    if (confidence == libwps::WPS_CONFIDENCE_SUPPORTED_ENCRYPTION)
+    {
+        OUString sPassword;
+        // now check if we can find the password in the properties
+        // (just in case, "soffice --headless" adds an option to send password)
+        mediaDescriptor[utl::MediaDescriptor::PROP_PASSWORD] >>= sPassword;
+        if (!sPassword.isEmpty())
+            aUtf8Passwd = OUStringToOString(sPassword, RTL_TEXTENCODING_UTF8);
+        else
+        {
+            // ok, ask the user for a password
+            try
+            {
+                SfxPasswordDialog aPasswdDlg(pParent);
+                aPasswdDlg.SetMinLen(1);
+                if (!aPasswdDlg.run())
+                    return false;
+                OUString aPasswd = aPasswdDlg.GetPassword();
+                aUtf8Passwd = OUStringToOString(aPasswd, RTL_TEXTENCODING_UTF8);
+            }
+            catch (...)
+            {
+                return false;
+            }
+        }
+    }
+    return libwps::WPS_OK
+           == libwps::WPSDocument::parse(&rInput, &rGenerator,
+                                         confidence == libwps::WPS_CONFIDENCE_SUPPORTED_ENCRYPTION
+                                             ? aUtf8Passwd.getStr()
+                                             : nullptr,
+                                         fileEncoding.c_str());
+}
+
+//XExtendedFilterDetection
+sal_Bool
+MSWorksCalcImportFilter::filter(const css::uno::Sequence<css::beans::PropertyValue>& rDescriptor)
+{
+    OUString sUrl;
+    css::uno::Reference<css::io::XInputStream> xInputStream;
+    css::uno::Reference<ucb::XContent> xContent;
+    css::uno::Reference<css::awt::XWindow> xDialogParent;
+
+    for (const auto& rValue : rDescriptor)
+    {
+        if (rValue.Name == "InputStream")
+            rValue.Value >>= xInputStream;
+        else if (rValue.Name == "UCBContent")
+            rValue.Value >>= xContent;
+        else if (rValue.Name == "FileName" || rValue.Name == "URL")
+            rValue.Value >>= sUrl;
+        else if (rValue.Name == "ParentWindow")
+            rValue.Value >>= xDialogParent;
+    }
+
+    if (!getXContext().is() || !xInputStream.is())
+    {
+        OSL_ASSERT(false);
+        return false;
+    }
+
+    // An XML import service: what we push sax messages to...
+    css::uno::Reference<XInterface> xInternalFilter
+        = getXContext()->getServiceManager()->createInstanceWithContext(
+            writerperfect::DocumentHandlerFor<OdsGenerator>::name(), getXContext());
+    assert(xInternalFilter);
+    css::uno::Reference<css::xml::sax::XFastDocumentHandler> xInternalHandler(xInternalFilter,
+                                                                              css::uno::UNO_QUERY);
+    assert(xInternalHandler);
+
+    // The XImporter sets up an empty target document for XDocumentHandler to write to...
+    css::uno::Reference<css::document::XImporter> xImporter(xInternalHandler, css::uno::UNO_QUERY);
+    assert(xImporter);
+    xImporter->setTargetDocument(getTargetDocument());
+
+    // OO Graphics Handler: abstract class to handle document SAX messages, concrete implementation here
+    // writes to in-memory target doc
+    writerperfect::DocumentHandler aHandler(
+        new SvXMLLegacyToFastDocHandler(static_cast<SvXMLImport*>(xInternalHandler.get())));
+
+    writerperfect::WPXSvInputStream input(xInputStream);
+    OdsGenerator exporter;
+    exporter.addDocumentHandler(&aHandler, ODF_FLAT_XML);
+    doRegisterHandlers(exporter);
+
+    utl::MediaDescriptor aDescriptor(rDescriptor);
+    try
+    {
+        // time to check if the file is a WK3 file and a FM3 file is
+        // present
+        bool checkForFM3 = false;
+        if (input.seek(0, librevenge::RVNG_SEEK_SET) == 0 && xContent.is()
+            && INetURLObject(sUrl).getExtension().equalsIgnoreAsciiCase("WK3"))
+        {
+            // check if the file header corresponds to a .wk3 file
+            unsigned long numBytesRead;
+            const unsigned char* data = input.read(6, numBytesRead);
+            if (data && numBytesRead == 6 && data[0] == 0 && data[1] == 0 && data[2] == 0x1a
+                && data[3] == 0 && data[4] < 2 && data[5] == 0x10)
+                checkForFM3 = true;
+        }
+        if (checkForFM3)
+        {
+            // check if the format file exists
+            const css::uno::Reference<container::XChild> xChild(xContent, uno::UNO_QUERY);
+            if (xChild.is())
+            {
+                OUString sWM3Name;
+                OUString sFM3Name;
+                const css::uno::Reference<ucb::XContent> xPackageContent(xChild->getParent(),
+                                                                         uno::UNO_QUERY);
+                uno::Reference<sdbc::XResultSet> xResultSet
+                    = MSWorksCalcImportFilterInternal::getResultSet(xPackageContent);
+                if (xResultSet.is() && xResultSet->first())
+                {
+                    const uno::Reference<ucb::XContentAccess> xContentAccess(xResultSet,
+                                                                             uno::UNO_QUERY_THROW);
+                    const uno::Reference<sdbc::XRow> xRow(xResultSet, uno::UNO_QUERY_THROW);
+                    INetURLObject aTmpUrl(sUrl);
+                    sWM3Name = aTmpUrl.getName(INetURLObject::LAST_SEGMENT, true,
+                                               INetURLObject::DecodeMechanism::WithCharset);
+                    aTmpUrl.setExtension(u"FM3");
+                    const OUString& sTestFM3Name
+                        = aTmpUrl.getName(INetURLObject::LAST_SEGMENT, true,
+                                          INetURLObject::DecodeMechanism::WithCharset);
+                    do
+                    {
+                        const OUString& aTitle(xRow->getString(1));
+                        if (aTitle.equalsIgnoreAsciiCase(sTestFM3Name))
+                            sFM3Name = aTitle;
+                    } while (xResultSet->next() && sFM3Name.isEmpty());
+                }
+                if (!sFM3Name.isEmpty())
+                {
+                    MSWorksCalcImportFilterInternal::FolderStream structuredInput(xPackageContent);
+                    structuredInput.addFile(sWM3Name, "WK3");
+                    structuredInput.addFile(sFM3Name, "FM3");
+
+                    libwps::WPSKind kind = libwps::WPS_TEXT;
+                    libwps::WPSCreator creator;
+                    bool needEncoding;
+                    const libwps::WPSConfidence confidence
+                        = libwps::WPSDocument::isFileFormatSupported(&structuredInput, kind,
+                                                                     creator, needEncoding);
+                    if (confidence != libwps::WPS_CONFIDENCE_NONE)
+                        return doImportDocument(Application::GetFrameWeld(xDialogParent),
+                                                structuredInput, exporter, aDescriptor);
+                }
+            }
+        }
+    }
+    catch (...)
+    {
+    }
+
+    return doImportDocument(Application::GetFrameWeld(xDialogParent), input, exporter, aDescriptor);
+}
+
+bool MSWorksCalcImportFilter::doDetectFormat(librevenge::RVNGInputStream& rInput,
+                                             OUString& rTypeName)
+{
+    libwps::WPSKind kind = libwps::WPS_TEXT;
+    libwps::WPSCreator creator;
+    bool needEncoding;
+    const libwps::WPSConfidence confidence
+        = libwps::WPSDocument::isFileFormatSupported(&rInput, kind, creator, needEncoding);
+
+    if ((kind == libwps::WPS_SPREADSHEET || kind == libwps::WPS_DATABASE)
+        && confidence != libwps::WPS_CONFIDENCE_NONE)
+    {
+        switch (creator)
+        {
+            case libwps::WPS_MSWORKS:
+                rTypeName = "calc_MS_Works_Document";
+                break;
+            case libwps::WPS_LOTUS:
+            case libwps::WPS_SYMPHONY:
+                rTypeName = "calc_WPS_Lotus_Document";
+                break;
+            case libwps::WPS_QUATTRO_PRO:
+                rTypeName = "calc_WPS_QPro_Document";
+                break;
+            case libwps::WPS_RESERVED_2:
+                rTypeName = "calc_MS_Multiplan";
+                break;
+            default:
+                break;
+        }
+    }
+
+    return !rTypeName.isEmpty();
+}
+
+void MSWorksCalcImportFilter::doRegisterHandlers(OdsGenerator&) {}
+
+// XServiceInfo
+OUString SAL_CALL MSWorksCalcImportFilter::getImplementationName()
+{
+    return "com.sun.star.comp.Calc.MSWorksCalcImportFilter";
+}
+
+sal_Bool SAL_CALL MSWorksCalcImportFilter::supportsService(const OUString& rServiceName)
+{
+    return cppu::supportsService(this, rServiceName);
+}
+
+css::uno::Sequence<OUString> SAL_CALL MSWorksCalcImportFilter::getSupportedServiceNames()
+{
+    return { "com.sun.star.document.ImportFilter", "com.sun.star.document.ExtendedTypeDetection" };
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_Calc_MSWorksCalcImportFilter_get_implementation(
+    css::uno::XComponentContext* const context, const css::uno::Sequence<css::uno::Any>&)
+{
+    return cppu::acquire(new MSWorksCalcImportFilter(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/writerperfect/source/calc/MSWorksCalcImportFilter.hxx b/writerperfect/source/calc/MSWorksCalcImportFilter.hxx
new file mode 100644
index 000000000..d0ce3e1fc
--- /dev/null
+++ b/writerperfect/source/calc/MSWorksCalcImportFilter.hxx
@@ -0,0 +1,45 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include <DocumentHandlerForOds.hxx>
+#include <ImportFilter.hxx>
+
+/* This component will be instantiated for both import or export. Whether it calls
+ * setSourceDocument or setTargetDocument determines which Impl function the filter
+ * member calls */
+class MSWorksCalcImportFilter : public writerperfect::ImportFilter<OdsGenerator>
+{
+public:
+    explicit MSWorksCalcImportFilter(
+        const css::uno::Reference<css::uno::XComponentContext>& rxContext)
+        : writerperfect::ImportFilter<OdsGenerator>(rxContext)
+    {
+    }
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
+    virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+
+    //XFilter
+    virtual sal_Bool SAL_CALL
+    filter(const css::uno::Sequence<css::beans::PropertyValue>& rDescriptor) override;
+
+private:
+    virtual bool doDetectFormat(librevenge::RVNGInputStream& rInput, OUString& rTypeName) override;
+    virtual bool doImportDocument(weld::Window* pParent, librevenge::RVNGInputStream& rInput,
+                                  OdsGenerator& rGenerator, utl::MediaDescriptor&) override;
+    virtual void doRegisterHandlers(OdsGenerator& rGenerator) override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/writerperfect/source/calc/MWAWCalcImportFilter.cxx b/writerperfect/source/calc/MWAWCalcImportFilter.cxx
new file mode 100644
index 000000000..186084b17
--- /dev/null
+++ b/writerperfect/source/calc/MWAWCalcImportFilter.cxx
@@ -0,0 +1,124 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* MWAWCalcImportFilter: Sets up the filter, and calls DocumentCollector
+ * to do the actual filtering
+ *
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <cppuhelper/supportsservice.hxx>
+
+#include <libmwaw/libmwaw.hxx>
+
+#include "MWAWCalcImportFilter.hxx"
+
+static bool handleEmbeddedMWAWGraphicObject(const librevenge::RVNGBinaryData& data,
+                                            OdfDocumentHandler* pHandler,
+                                            const OdfStreamType streamType)
+{
+    OdgGenerator exporter;
+    exporter.addDocumentHandler(pHandler, streamType);
+    return MWAWDocument::decodeGraphic(data, &exporter);
+}
+
+static bool handleEmbeddedMWAWSpreadsheetObject(const librevenge::RVNGBinaryData& data,
+                                                OdfDocumentHandler* pHandler,
+                                                const OdfStreamType streamType)
+{
+    OdsGenerator exporter;
+    exporter.addDocumentHandler(pHandler, streamType);
+    return MWAWDocument::decodeSpreadsheet(data, &exporter);
+}
+
+bool MWAWCalcImportFilter::doImportDocument(weld::Window*, librevenge::RVNGInputStream& rInput,
+                                            OdsGenerator& rGenerator, utl::MediaDescriptor&)
+{
+    return MWAWDocument::MWAW_R_OK == MWAWDocument::parse(&rInput, &rGenerator);
+}
+
+bool MWAWCalcImportFilter::doDetectFormat(librevenge::RVNGInputStream& rInput, OUString& rTypeName)
+{
+    rTypeName.clear();
+
+    MWAWDocument::Type docType = MWAWDocument::MWAW_T_UNKNOWN;
+    MWAWDocument::Kind docKind = MWAWDocument::MWAW_K_UNKNOWN;
+    const MWAWDocument::Confidence confidence
+        = MWAWDocument::isFileFormatSupported(&rInput, docType, docKind);
+
+    if (confidence == MWAWDocument::MWAW_C_EXCELLENT)
+    {
+        switch (docKind)
+        {
+            case MWAWDocument::MWAW_K_DATABASE:
+                switch (docType)
+                {
+                    case MWAWDocument::MWAW_T_CLARISWORKS:
+                        rTypeName = "calc_ClarisWorks";
+                        break;
+                    case MWAWDocument::MWAW_T_MICROSOFTWORKS:
+                        rTypeName = "calc_Mac_Works";
+                        break;
+                    default:
+                        rTypeName = "MWAW_Database";
+                        break;
+                }
+                break;
+            case MWAWDocument::MWAW_K_SPREADSHEET:
+                switch (docType)
+                {
+                    case MWAWDocument::MWAW_T_CLARISRESOLVE:
+                        rTypeName = "calc_Claris_Resolve";
+                        break;
+                    case MWAWDocument::MWAW_T_CLARISWORKS:
+                        rTypeName = "calc_ClarisWorks";
+                        break;
+                    case MWAWDocument::MWAW_T_MICROSOFTWORKS:
+                        rTypeName = "calc_Mac_Works";
+                        break;
+                    default:
+                        rTypeName = "MWAW_Spreadsheet";
+                        break;
+                }
+                break;
+            default:
+                break;
+        }
+    }
+
+    return !rTypeName.isEmpty();
+}
+
+void MWAWCalcImportFilter::doRegisterHandlers(OdsGenerator& rGenerator)
+{
+    rGenerator.registerEmbeddedObjectHandler("image/mwaw-odg", &handleEmbeddedMWAWGraphicObject);
+    rGenerator.registerEmbeddedObjectHandler("image/mwaw-ods",
+                                             &handleEmbeddedMWAWSpreadsheetObject);
+}
+
+// XServiceInfo
+OUString SAL_CALL MWAWCalcImportFilter::getImplementationName()
+{
+    return "com.sun.star.comp.Calc.MWAWCalcImportFilter";
+}
+
+sal_Bool SAL_CALL MWAWCalcImportFilter::supportsService(const OUString& rServiceName)
+{
+    return cppu::supportsService(this, rServiceName);
+}
+
+css::uno::Sequence<OUString> SAL_CALL MWAWCalcImportFilter::getSupportedServiceNames()
+{
+    return { "com.sun.star.document.ImportFilter", "com.sun.star.document.ExtendedTypeDetection" };
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_Calc_MWAWCalcImportFilter_get_implementation(
+    css::uno::XComponentContext* const context, const css::uno::Sequence<css::uno::Any>&)
+{
+    return cppu::acquire(new MWAWCalcImportFilter(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/writerperfect/source/calc/MWAWCalcImportFilter.hxx b/writerperfect/source/calc/MWAWCalcImportFilter.hxx
new file mode 100644
index 000000000..aa574315d
--- /dev/null
+++ b/writerperfect/source/calc/MWAWCalcImportFilter.hxx
@@ -0,0 +1,40 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include <DocumentHandlerForOds.hxx>
+#include <ImportFilter.hxx>
+
+/* This component will be instantiated for both import or export. Whether it calls
+ * setSourceDocument or setTargetDocument determines which Impl function the filter
+ * member calls */
+class MWAWCalcImportFilter : public writerperfect::ImportFilter<OdsGenerator>
+{
+public:
+    explicit MWAWCalcImportFilter(const css::uno::Reference<css::uno::XComponentContext>& rxContext)
+        : writerperfect::ImportFilter<OdsGenerator>(rxContext)
+    {
+    }
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
+    virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+
+private:
+    virtual bool doDetectFormat(librevenge::RVNGInputStream& rInput, OUString& rTypeName) override;
+    virtual bool doImportDocument(weld::Window* pParent, librevenge::RVNGInputStream& rInput,
+                                  OdsGenerator& rGenerator, utl::MediaDescriptor&) override;
+    virtual void doRegisterHandlers(OdsGenerator& rGenerator) override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/writerperfect/source/calc/NumbersImportFilter.cxx b/writerperfect/source/calc/NumbersImportFilter.cxx
new file mode 100644
index 000000000..813684361
--- /dev/null
+++ b/writerperfect/source/calc/NumbersImportFilter.cxx
@@ -0,0 +1,65 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* NumbersImportFilter: Sets up the filter, and calls DocumentCollector
+ * to do the actual filtering
+ *
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <libetonyek/libetonyek.h>
+
+#include <cppuhelper/supportsservice.hxx>
+
+#include "NumbersImportFilter.hxx"
+
+using libetonyek::EtonyekDocument;
+
+bool NumbersImportFilter::doImportDocument(weld::Window*, librevenge::RVNGInputStream& rInput,
+                                           OdsGenerator& rGenerator, utl::MediaDescriptor&)
+{
+    return EtonyekDocument::parse(&rInput, &rGenerator);
+}
+
+bool NumbersImportFilter::doDetectFormat(librevenge::RVNGInputStream& rInput, OUString& rTypeName)
+{
+    EtonyekDocument::Type type = EtonyekDocument::TYPE_UNKNOWN;
+    const EtonyekDocument::Confidence confidence = EtonyekDocument::isSupported(&rInput, &type);
+    if ((confidence == EtonyekDocument::CONFIDENCE_EXCELLENT)
+        && (type == EtonyekDocument::TYPE_NUMBERS))
+    {
+        rTypeName = "calc_AppleNumbers";
+        return true;
+    }
+
+    return false;
+}
+
+void NumbersImportFilter::doRegisterHandlers(OdsGenerator&) {}
+
+// XServiceInfo
+OUString SAL_CALL NumbersImportFilter::getImplementationName()
+{
+    return "org.libreoffice.comp.Calc.NumbersImportFilter";
+}
+
+sal_Bool SAL_CALL NumbersImportFilter::supportsService(const OUString& rServiceName)
+{
+    return cppu::supportsService(this, rServiceName);
+}
+
+css::uno::Sequence<OUString> SAL_CALL NumbersImportFilter::getSupportedServiceNames()
+{
+    return { "com.sun.star.document.ImportFilter", "com.sun.star.document.ExtendedTypeDetection" };
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+org_libreoffice_comp_Calc_NumbersImportFilter_get_implementation(
+    css::uno::XComponentContext* const context, const css::uno::Sequence<css::uno::Any>&)
+{
+    return cppu::acquire(new NumbersImportFilter(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/writerperfect/source/calc/NumbersImportFilter.hxx b/writerperfect/source/calc/NumbersImportFilter.hxx
new file mode 100644
index 000000000..96db0b689
--- /dev/null
+++ b/writerperfect/source/calc/NumbersImportFilter.hxx
@@ -0,0 +1,40 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include <DocumentHandlerForOds.hxx>
+#include <ImportFilter.hxx>
+
+/* This component will be instantiated for both import or export. Whether it calls
+ * setSourceDocument or setTargetDocument determines which Impl function the filter
+ * member calls */
+class NumbersImportFilter : public writerperfect::ImportFilter<OdsGenerator>
+{
+public:
+    explicit NumbersImportFilter(const css::uno::Reference<css::uno::XComponentContext>& rxContext)
+        : writerperfect::ImportFilter<OdsGenerator>(rxContext)
+    {
+    }
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
+    virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+
+private:
+    virtual bool doDetectFormat(librevenge::RVNGInputStream& rInput, OUString& rTypeName) override;
+    virtual bool doImportDocument(weld::Window* pParent, librevenge::RVNGInputStream& rInput,
+                                  OdsGenerator& rGenerator, utl::MediaDescriptor&) override;
+    virtual void doRegisterHandlers(OdsGenerator& rGenerator) override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/writerperfect/source/calc/StarOfficeCalcImportFilter.cxx b/writerperfect/source/calc/StarOfficeCalcImportFilter.cxx
new file mode 100644
index 000000000..de7e30e44
--- /dev/null
+++ b/writerperfect/source/calc/StarOfficeCalcImportFilter.cxx
@@ -0,0 +1,99 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <cppuhelper/supportsservice.hxx>
+
+#include <libstaroffice/libstaroffice.hxx>
+
+#include "StarOfficeCalcImportFilter.hxx"
+
+using com::sun::star::uno::Sequence;
+using com::sun::star::uno::XComponentContext;
+using com::sun::star::uno::XInterface;
+
+static bool handleEmbeddedSTOFFGraphicObject(const librevenge::RVNGBinaryData& data,
+                                             OdfDocumentHandler* pHandler,
+                                             const OdfStreamType streamType)
+{
+    OdgGenerator exporter;
+    exporter.addDocumentHandler(pHandler, streamType);
+    return STOFFDocument::decodeGraphic(data, &exporter);
+}
+
+static bool handleEmbeddedSTOFFSpreadsheetObject(const librevenge::RVNGBinaryData& data,
+                                                 OdfDocumentHandler* pHandler,
+                                                 const OdfStreamType streamType)
+{
+    OdsGenerator exporter;
+    exporter.addDocumentHandler(pHandler, streamType);
+    return STOFFDocument::decodeSpreadsheet(data, &exporter);
+}
+
+bool StarOfficeCalcImportFilter::doImportDocument(weld::Window*,
+                                                  librevenge::RVNGInputStream& rInput,
+                                                  OdsGenerator& rGenerator, utl::MediaDescriptor&)
+{
+    return STOFFDocument::STOFF_R_OK == STOFFDocument::parse(&rInput, &rGenerator);
+}
+
+bool StarOfficeCalcImportFilter::doDetectFormat(librevenge::RVNGInputStream& rInput,
+                                                OUString& rTypeName)
+{
+    rTypeName.clear();
+    STOFFDocument::Kind docKind = STOFFDocument::STOFF_K_UNKNOWN;
+    const STOFFDocument::Confidence confidence
+        = STOFFDocument::isFileFormatSupported(&rInput, docKind);
+    if (confidence == STOFFDocument::STOFF_C_EXCELLENT
+        || confidence == STOFFDocument::STOFF_C_SUPPORTED_ENCRYPTION)
+    {
+        switch (docKind)
+        {
+            case STOFFDocument::STOFF_K_DATABASE:
+            case STOFFDocument::STOFF_K_SPREADSHEET:
+                rTypeName = "StarOffice_Spreadsheet";
+                break;
+            default:
+                break;
+        }
+    }
+
+    return !rTypeName.isEmpty();
+}
+
+void StarOfficeCalcImportFilter::doRegisterHandlers(OdsGenerator& rGenerator)
+{
+    rGenerator.registerEmbeddedObjectHandler("image/stoff-odg", &handleEmbeddedSTOFFGraphicObject);
+    rGenerator.registerEmbeddedObjectHandler("image/stoff-ods",
+                                             &handleEmbeddedSTOFFSpreadsheetObject);
+}
+
+// XServiceInfo
+OUString SAL_CALL StarOfficeCalcImportFilter::getImplementationName()
+{
+    return "org.libreoffice.comp.Calc.StarOfficeCalcImportFilter";
+}
+
+sal_Bool SAL_CALL StarOfficeCalcImportFilter::supportsService(const OUString& rServiceName)
+{
+    return cppu::supportsService(this, rServiceName);
+}
+
+Sequence<OUString> SAL_CALL StarOfficeCalcImportFilter::getSupportedServiceNames()
+{
+    return { "com.sun.star.document.ImportFilter", "com.sun.star.document.ExtendedTypeDetection" };
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+org_libreoffice_comp_Calc_StarOfficeCalcImportFilter_get_implementation(
+    css::uno::XComponentContext* const context, const css::uno::Sequence<css::uno::Any>&)
+{
+    return cppu::acquire(new StarOfficeCalcImportFilter(context));
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/writerperfect/source/calc/StarOfficeCalcImportFilter.hxx b/writerperfect/source/calc/StarOfficeCalcImportFilter.hxx
new file mode 100644
index 000000000..0b11e5166
--- /dev/null
+++ b/writerperfect/source/calc/StarOfficeCalcImportFilter.hxx
@@ -0,0 +1,41 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#pragma once
+
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include <DocumentHandlerForOds.hxx>
+#include <ImportFilter.hxx>
+
+/* This component will be instantiated for both import or export. Whether it calls
+ * setSourceDocument or setTargetDocument determines which Impl function the filter
+ * member calls */
+class StarOfficeCalcImportFilter : public writerperfect::ImportFilter<OdsGenerator>
+{
+public:
+    explicit StarOfficeCalcImportFilter(
+        const css::uno::Reference<css::uno::XComponentContext>& rxContext)
+        : writerperfect::ImportFilter<OdsGenerator>(rxContext)
+    {
+    }
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
+    virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+
+private:
+    virtual bool doDetectFormat(librevenge::RVNGInputStream& rInput, OUString& rTypeName) override;
+    virtual bool doImportDocument(weld::Window* pParent, librevenge::RVNGInputStream& rInput,
+                                  OdsGenerator& rGenerator, utl::MediaDescriptor&) override;
+    virtual void doRegisterHandlers(OdsGenerator& rGenerator) override;
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/writerperfect/source/calc/wpftcalc.component b/writerperfect/source/calc/wpftcalc.component
new file mode 100644
index 000000000..404d09b6c
--- /dev/null
+++ b/writerperfect/source/calc/wpftcalc.component
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+-->
+<component loader="com.sun.star.loader.SharedLibrary" environment="@CPPU_ENV@"
+    xmlns="http://openoffice.org/2010/uno-components">
+  <implementation name="com.sun.star.comp.Calc.MSWorksCalcImportFilter" 
+      constructor="com_sun_star_comp_Calc_MSWorksCalcImportFilter_get_implementation">
+    <service name="com.sun.star.document.ImportFilter"/>
+    <service name="com.sun.star.document.ExtendedTypeDetection"/>
+  </implementation>
+  <implementation name="com.sun.star.comp.Calc.MWAWCalcImportFilter"
+      constructor="com_sun_star_comp_Calc_MWAWCalcImportFilter_get_implementation">
+    <service name="com.sun.star.document.ImportFilter"/>
+    <service name="com.sun.star.document.ExtendedTypeDetection"/>
+  </implementation>
+  <implementation name="org.libreoffice.comp.Calc.NumbersImportFilter"
+      constructor="org_libreoffice_comp_Calc_NumbersImportFilter_get_implementation">
+    <service name="com.sun.star.document.ImportFilter"/>
+    <service name="com.sun.star.document.ExtendedTypeDetection"/>
+  </implementation>
+  <implementation name="org.libreoffice.comp.Calc.StarOfficeCalcImportFilter"
+      constructor="org_libreoffice_comp_Calc_StarOfficeCalcImportFilter_get_implementation">
+    <service name="com.sun.star.document.ImportFilter"/>
+    <service name="com.sun.star.document.ExtendedTypeDetection"/>
+  </implementation>
+</component>