libwps import filter improvements

+ some astyle modifications,
  + add .wk4 and .123 to the list of file extensions,
  + add support to open Lotus files protected by a password.

Change-Id: I94d4afffd73f0999ff2b1958704cb3985fcd0cc9

filter/source/config/fragments/types/calc_WPS_Lotus_Document.xcu

@@ -18,7 +18,7 @@
     <node oor:name="calc_WPS_Lotus_Document" oor:op="replace" >
         <prop oor:name="DetectService"><value>com.sun.star.comp.Calc.MSWorksCalcImportFilter</value></prop>
         <prop oor:name="URLPattern"/>
-        <prop oor:name="Extensions"><value>wk1 wk3</value></prop>
+        <prop oor:name="Extensions"><value>wk1 wk3 wk4 123</value></prop>
         <prop oor:name="MediaType"></prop>
         <prop oor:name="Preferred"><value>true</value></prop>
         <prop oor:name="PreferredFilter"><value>WPS_Lotus_Calc</value></prop>

writerperfect/Library_wpftcalc.mk

@@ -33,6 +33,7 @@ $(eval $(call gb_Library_use_libraries,wpftcalc,\
 	cppu \
 	cppuhelper \
 	sal \
+	sfx \
 	sot \
 	svx \
 	tl \

writerperfect/qa/unit/DrawingImportTest.cxx

@@ -120,7 +120,7 @@ void DrawingImportTest::test()
 {
     using namespace css;
 
-    rtl::Reference<DrawingImportFilter> xFilter{new DrawingImportFilter(m_xContext)};
+    rtl::Reference<DrawingImportFilter> xFilter {new DrawingImportFilter(m_xContext)};
     writerperfect::test::WpftLoader aLoader(createDummyInput(), xFilter.get(), "private:factory/sdraw", m_xDesktop, m_xContext);
 
     uno::Reference<drawing::XDrawPagesSupplier> xDoc(aLoader.getDocument(), uno::UNO_QUERY);

writerperfect/qa/unit/PresentationImportTest.cxx

@@ -120,7 +120,7 @@ void PresentationImportTest::test()
 {
     using namespace css;
 
-    rtl::Reference<PresentationImportFilter> xFilter{new PresentationImportFilter(m_xContext)};
+    rtl::Reference<PresentationImportFilter> xFilter {new PresentationImportFilter(m_xContext)};
     writerperfect::test::WpftLoader aLoader(createDummyInput(), xFilter.get(), "private:factory/simpress", m_xDesktop, m_xContext);
 
     uno::Reference<drawing::XDrawPagesSupplier> xDoc(aLoader.getDocument(), uno::UNO_QUERY);

writerperfect/qa/unit/SpreadsheetImportTest.cxx

@@ -115,7 +115,7 @@ void SpreadsheetImportTest::test()
 {
     using namespace css;
 
-    rtl::Reference<SpreadsheetImportFilter> xFilter{new SpreadsheetImportFilter(m_xContext)};
+    rtl::Reference<SpreadsheetImportFilter> xFilter {new SpreadsheetImportFilter(m_xContext)};
     writerperfect::test::WpftLoader aLoader(createDummyInput(), xFilter.get(), "private:factory/scalc", m_xDesktop, m_xContext);
 
     uno::Reference<sheet::XSpreadsheetDocument> xDoc(aLoader.getDocument(), uno::UNO_QUERY);

writerperfect/qa/unit/TextImportTest.cxx

@@ -108,7 +108,7 @@ void TextImportTest::test()
 {
     using namespace css;
 
-    rtl::Reference<TextImportFilter> xFilter{new TextImportFilter(m_xContext)};
+    rtl::Reference<TextImportFilter> xFilter {new TextImportFilter(m_xContext)};
     writerperfect::test::WpftLoader aLoader(createDummyInput(), xFilter.get(), "private:factory/swriter", m_xDesktop, m_xContext);
 
     uno::Reference<text::XTextDocument> xDoc(aLoader.getDocument(), uno::UNO_QUERY);

writerperfect/source/calc/MSWorksCalcImportFilter.cxx

@@ -16,6 +16,7 @@
 #include <com/sun/star/ucb/XContentAccess.hpp>
 #include <comphelper/processfactory.hxx>
 #include <cppuhelper/supportsservice.hxx>
+#include <sfx2/passwd.hxx>
 #include <tools/urlobj.hxx>
 #include <ucbhelper/content.hxx>
 
@@ -90,7 +91,7 @@ public:
     /*! \brief seeks to a offset position, from actual, beginning or ending position
      * \return 0 if ok
      */
-    int seek(long , librevenge::RVNG_SEEK_TYPE) override
+    int seek(long, librevenge::RVNG_SEEK_TYPE) override
     {
         return 1;
     }
@@ -191,8 +192,10 @@ bool MSWorksCalcImportFilter::doImportDocument(librevenge::RVNGInputStream &rInp
     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 ((kind == libwps::WPS_SPREADSHEET || kind == libwps::WPS_DATABASE) && (confidence == libwps::WPS_CONFIDENCE_EXCELLENT) && needEncoding)
+    if (needEncoding)
     {
         OUString title, encoding;
         if (creator == libwps::WPS_MSWORKS)
@@ -232,7 +235,25 @@ bool MSWorksCalcImportFilter::doImportDocument(librevenge::RVNGInputStream &rInp
             SAL_WARN("writerperfect", "ignoring Exception in MSWorksCalcImportFilter::doImportDocument");
         }
     }
-    return libwps::WPS_OK == libwps::WPSDocument::parse(&rInput, &rGenerator, "", fileEncoding.c_str());
+    OString aUtf8Passwd;
+    if (confidence==libwps::WPS_CONFIDENCE_SUPPORTED_ENCRYPTION)
+    {
+        // try to ask for a password
+        try
+        {
+            ScopedVclPtrInstance< SfxPasswordDialog > aPasswdDlg(nullptr);
+            aPasswdDlg->SetMinLen(1);
+            if (!aPasswdDlg->Execute())
+                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
@@ -326,12 +347,12 @@ sal_Bool MSWorksCalcImportFilter::filter(const css::uno::Sequence< css::beans::P
                     structuredInput.addFile(sWM3Name,"WK3");
                     structuredInput.addFile(sFM3Name,"FM3");
 
-                    // If the file is valid and libwps is at least 0.4.4, doImportDocument will convert it.
-                    // If libwps is at most 0.4.3, doImportDocument will fail when checking if the file is supported
-                    //    and it is ok to call again doImportDocument with the main input.
-                    // If the file is corrupted beyond all retrieval, doImportDocument will fail two times :-~
-                    if (this->doImportDocument(structuredInput, exporter, aDescriptor))
-                        return true;
+                    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 this->doImportDocument(structuredInput, exporter, aDescriptor);
                 }
             }
         }
@@ -350,7 +371,7 @@ bool MSWorksCalcImportFilter::doDetectFormat(librevenge::RVNGInputStream &rInput
     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_EXCELLENT)
+    if ((kind == libwps::WPS_SPREADSHEET || kind == libwps::WPS_DATABASE) && confidence != libwps::WPS_CONFIDENCE_NONE)
     {
         if (creator == libwps::WPS_MSWORKS)
         {

writerperfect/source/common/DocumentHandler.cxx

@@ -111,10 +111,10 @@ using com::sun::star::xml::sax::XAttributeList;
 using com::sun::star::xml::sax::XDocumentHandler;
 
 DocumentHandler::DocumentHandler(Reference < XDocumentHandler > &xHandler) :
-    mxHandler( xHandler )
+    mxHandler(xHandler)
 {
-    if (SvXMLImport *pFastHandler = dynamic_cast<SvXMLImport*>(mxHandler.get()))
-        mxHandler.set( new SvXMLLegacyToFastDocHandler( pFastHandler ) );
+    if (SvXMLImport *pFastHandler = dynamic_cast<SvXMLImport *>(mxHandler.get()))
+        mxHandler.set(new SvXMLLegacyToFastDocHandler(pFastHandler));
 }
 
 void DocumentHandler::startDocument()