rework ScQProReader to take SvStream instead of SfxMedium

its only uses the stream anyway and this makes it far
easier to build a fuzzer on

Change-Id: I4aa8b56d4b041708c4de1730d503641ab23c14e8

sc/inc/filter.hxx

@@ -75,7 +75,7 @@ class SAL_DLLPUBLIC_RTTI ScFormatFilterPlugin {
   public:
     // various import filters
     virtual FltError ScImportLotus123( SfxMedium&, ScDocument*, rtl_TextEncoding eSrc ) = 0;
-    virtual FltError ScImportQuattroPro( SfxMedium &rMedium, ScDocument *pDoc ) = 0;
+    virtual FltError ScImportQuattroPro(SvStream* pStream, ScDocument *pDoc) = 0;
     virtual FltError ScImportExcel( SfxMedium&, ScDocument*, const EXCIMPFORMAT ) = 0;
         // eFormat == EIF_AUTO  -> matching filter is used automatically
         // eFormat == EIF_BIFF5 -> only Biff5 stream is read successfully (in an Excel97 doc, too)

sc/source/filter/excel/excel.cxx

@@ -219,18 +219,21 @@ FltError ScFormatFilterPluginImpl::ScExportExcel5( SfxMedium& rMedium, ScDocumen
     return eRet;
 }
 
-extern "C" SAL_DLLPUBLIC_EXPORT bool SAL_CALL TestImportSpreadsheet(const OUString &rURL, const OUString &rFlt)
+extern "C" SAL_DLLPUBLIC_EXPORT bool SAL_CALL TestImportQPW(SvStream &rStream)
+{
+    ScDLL::Init();
+    ScDocument aDocument;
+    aDocument.MakeTable(0);
+    return ScFormatFilter::Get().ScImportQuattroPro(&rStream, &aDocument) == eERR_OK;
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT bool SAL_CALL TestImportXLS(const OUString &rURL)
 {
     ScDLL::Init();
     SfxMedium aMedium(rURL, StreamMode::READ);
     ScDocument aDocument;
     aDocument.MakeTable(0);
-    FltError eError(eERR_OK);
-    if (rFlt == "xls")
-        eError = ScFormatFilter::Get().ScImportExcel(aMedium, &aDocument, EIF_AUTO);
-    else if (rFlt == "wb2")
-        eError = ScFormatFilter::Get().ScImportQuattroPro(aMedium, &aDocument);
-    return eError == eERR_OK;
+    return ScFormatFilter::Get().ScImportExcel(aMedium, &aDocument, EIF_AUTO) == eERR_OK;
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sc/source/filter/inc/ftools.hxx

@@ -264,7 +264,7 @@ public:
     virtual ~ScFormatFilterPluginImpl();
     // various import filters
     virtual FltError ScImportLotus123( SfxMedium&, ScDocument*, rtl_TextEncoding eSrc ) override;
-    virtual FltError ScImportQuattroPro( SfxMedium &rMedium, ScDocument *pDoc ) override;
+    virtual FltError ScImportQuattroPro(SvStream* pStream, ScDocument *pDoc) override;
     virtual FltError ScImportExcel( SfxMedium&, ScDocument*, const EXCIMPFORMAT ) override;
         // eFormat == EIF_AUTO  -> matching filter is used automatically
         // eFormat == EIF_BIFF5 -> only Biff5 stream leads to success (even in an Excel97 doc)

sc/source/filter/inc/qpro.hxx

@@ -40,7 +40,7 @@ class ScQProReader
     bool mbEndOfFile;
 
 public:
-    ScQProReader( SfxMedium &rMedium );
+    ScQProReader(SvStream* pStream);
     ~ScQProReader();
 
     bool recordsLeft();

sc/source/filter/qpro/qpro.cxx

@@ -123,20 +123,20 @@ FltError ScQProReader::readSheet( SCTAB nTab, ScDocument* pDoc, ScQProStyle *pSt
     return eRet;
 }
 
-FltError ScFormatFilterPluginImpl::ScImportQuattroPro( SfxMedium &rMedium, ScDocument *pDoc )
+FltError ScFormatFilterPluginImpl::ScImportQuattroPro(SvStream *pStream, ScDocument *pDoc)
 {
-    ScQProReader aReader( rMedium );
+    ScQProReader aReader(pStream);
     FltError eRet = aReader.import( pDoc );
     return eRet;
 }
 
-ScQProReader::ScQProReader( SfxMedium &rMedium )
+ScQProReader::ScQProReader(SvStream* pStream)
     : mnId(0)
     , mnLength(0)
     , mnOffset(0)
+    , mpStream(pStream)
     , mbEndOfFile(false)
 {
-    mpStream = rMedium.GetInStream();
     if( mpStream )
     {
         mpStream->SetBufferSize( 65535 );

sc/source/ui/docshell/docsh.cxx

@@ -1372,7 +1372,7 @@ bool ScDocShell::ConvertFrom( SfxMedium& rMedium )
         }
         else if (aFltName == pFilterQPro6)
         {
-            FltError eError = ScFormatFilter::Get().ScImportQuattroPro( rMedium, &aDocument);
+            FltError eError = ScFormatFilter::Get().ScImportQuattroPro(rMedium.GetInStream(), &aDocument);
             if (eError != eERR_OK)
             {
                 if (!GetError())

sc/source/ui/docshell/impex.cxx

@@ -2217,7 +2217,7 @@ class ScFormatFilterMissing : public ScFormatFilterPlugin {
     }
     virtual ~ScFormatFilterMissing() {}
     virtual FltError ScImportLotus123( SfxMedium&, ScDocument*, rtl_TextEncoding ) override { return eERR_INTERN; }
-    virtual FltError ScImportQuattroPro( SfxMedium &, ScDocument * ) override { return eERR_INTERN; }
+    virtual FltError ScImportQuattroPro(SvStream*, ScDocument *) override { return eERR_INTERN; }
     virtual FltError ScImportExcel( SfxMedium&, ScDocument*, const EXCIMPFORMAT ) override { return eERR_INTERN; }
     virtual FltError ScImportStarCalc10( SvStream&, ScDocument* ) override { return eERR_INTERN; }
     virtual FltError ScImportDif( SvStream&, ScDocument*, const ScAddress&,

vcl/workben/fftester.cxx

@@ -66,7 +66,7 @@ using namespace cppu;
 extern "C" { static void SAL_CALL thisModule() {} }
 #endif
 
-typedef bool (*WFilterCall)(const OUString &rUrl, const OUString &rFlt);
+typedef bool (*WFilterCall)(const OUString &rUrl);
 typedef bool (*FFilterCall)(SvStream &rStream);
 
 /* This constant specifies the number of inputs to process before restarting.
@@ -379,8 +379,7 @@ try_again:
                 SvFileStream aFileStream(out, StreamMode::READ);
                 ret = (int) (*pfnImport)(aFileStream);
             }
-            else if ( (strcmp(argv[2], "xls") == 0) ||
-                      (strcmp(argv[2], "wb2") == 0) )
+            else if (strcmp(argv[2], "xls") == 0)
             {
                 static WFilterCall pfnImport(nullptr);
                 if (!pfnImport)
@@ -388,10 +387,24 @@ try_again:
                     osl::Module aLibrary;
                     aLibrary.loadRelative(&thisModule, "libscfiltlo.so", SAL_LOADMODULE_LAZY);
                     pfnImport = reinterpret_cast<WFilterCall>(
-                        aLibrary.getFunctionSymbol("TestImportSpreadsheet"));
+                        aLibrary.getFunctionSymbol("TestImportXLS"));
                     aLibrary.release();
                 }
-                ret = (int) (*pfnImport)(out, OUString(argv[2], strlen(argv[2]), RTL_TEXTENCODING_UTF8));
+                ret = (int) (*pfnImport)(out);
+            }
+            else if (strcmp(argv[2], "ww2") == 0)
+            {
+                static FFilterCall pfnImport(nullptr);
+                if (!pfnImport)
+                {
+                    osl::Module aLibrary;
+                    aLibrary.loadRelative(&thisModule, "libscfiltlo.so", SAL_LOADMODULE_LAZY);
+                    pfnImport = reinterpret_cast<FFilterCall>(
+                        aLibrary.getFunctionSymbol("TestImportQPW"));
+                    aLibrary.release();
+                }
+                SvFileStream aFileStream(out, StreamMode::READ);
+                ret = (int) (*pfnImport)(aFileStream);
             }
             else if (strcmp(argv[2], "hwp") == 0)
             {