add dif support to fftester

Change-Id: I1428dcaea579c73712f5228dd6de73c7369a7948
Reviewed-on: https://gerrit.libreoffice.org/44457Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

sc/source/filter/excel/excel.cxx

@@ -280,4 +280,15 @@ extern "C" SAL_DLLPUBLIC_EXPORT bool SAL_CALL TestImportWKS(SvStream& rStream)
     return ScFormatFilter::Get().ScImportLotus123(aMedium, &aDocument, RTL_TEXTENCODING_ASCII_US) == ERRCODE_NONE;
 }
 
+extern "C" SAL_DLLPUBLIC_EXPORT bool SAL_CALL TestImportDIF(SvStream &rStream)
+{
+    ScDLL::Init();
+    ScDocument aDocument;
+    ScDocOptions aDocOpt = aDocument.GetDocOptions();
+    aDocOpt.SetLookUpColRowNames(false);
+    aDocument.SetDocOptions(aDocOpt);
+    aDocument.MakeTable(0);
+    return ScFormatFilter::Get().ScImportDif(rStream, &aDocument, ScAddress(0, 0, 0), RTL_TEXTENCODING_IBM_850) == ERRCODE_NONE;
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/workben/fftester.cxx

@@ -514,6 +514,20 @@ SAL_IMPLEMENT_MAIN_WITH_ARGS(argc, argv)
             SvFileStream aFileStream(out, StreamMode::READ);
             ret = (int) (*pfnImport)(aFileStream);
         }
+        else if (strcmp(argv[2], "dif") == 0)
+        {
+            static FFilterCall pfnImport(nullptr);
+            if (!pfnImport)
+            {
+                osl::Module aLibrary;
+                aLibrary.loadRelative(&thisModule, "libscfiltlo.so", SAL_LOADMODULE_LAZY);
+                pfnImport = reinterpret_cast<FFilterCall>(
+                    aLibrary.getFunctionSymbol("TestImportDIF"));
+                aLibrary.release();
+            }
+            SvFileStream aFileStream(out, StreamMode::READ);
+            ret = (int) (*pfnImport)(aFileStream);
+        }
         else if (strcmp(argv[2], "sc-rtf") == 0)
         {
             static FFilterCall pfnImport(nullptr);