cp#1000017 DOCX/RTF import: avoid fake tab char in footnotes

Word wants this, so it's added by the exporter to the document, but on
import we should ignore it.

Change-Id: Idcb669ba624bf462a50a85eb4aacf397afb6efe6

sw/qa/extras/rtfimport/rtfimport.cxx

@@ -1358,9 +1358,8 @@ DECLARE_RTFIMPORT_TEST(testCp1000018, "cp1000018.rtf")
     uno::Reference<text::XFootnotesSupplier> xFootnotesSupplier(mxComponent, uno::UNO_QUERY);
     uno::Reference<container::XIndexAccess> xFootnotes(xFootnotesSupplier->getFootnotes(), uno::UNO_QUERY);
     uno::Reference<text::XTextRange> xTextRange(xFootnotes->getByIndex(0), uno::UNO_QUERY);
-    // Why the tab has to be removed here?
     OUString aExpected("Footnote first line.\n");
-    CPPUNIT_ASSERT_EQUAL(aExpected, xTextRange->getString().replaceAll("\t", ""));
+    CPPUNIT_ASSERT_EQUAL(aExpected, xTextRange->getString());
 }
 
 #endif

writerfilter/source/dmapper/DomainMapper.cxx

@@ -3888,6 +3888,11 @@ void DomainMapper::lcl_utext(const sal_uInt8 * data_, size_t len)
         m_pImpl->m_bHasFtnSep = true;
         return;
     }
+    else if (len == 1 && sText[0] == '\t' && m_pImpl->m_bIgnoreNextTab)
+    {
+        m_pImpl->m_bIgnoreNextTab = false;
+        return;
+    }
 
     try
     {

writerfilter/source/dmapper/DomainMapper_Impl.cxx

@@ -177,6 +177,7 @@ DomainMapper_Impl::DomainMapper_Impl(
         m_nTableDepth(0),
         m_bHasFtnSep(false),
         m_bIgnoreNextPara(false),
+        m_bIgnoreNextTab(false),
         m_bFrameBtLr(false)
 
 {
@@ -1531,6 +1532,11 @@ void DomainMapper_Impl::PushFootOrEndnote( bool bIsFootnote )
 
         // Redlines for the footnote anchor
         CheckRedline( xFootnote->getAnchor( ) );
+
+        // Word has a leading tab on footnotes, but we don't implement space
+        // between the footnote number and text using a tab, so just ignore
+        // that for now.
+        m_bIgnoreNextTab = true;
     }
     catch( const uno::Exception& e )
     {

writerfilter/source/dmapper/DomainMapper_Impl.hxx

@@ -725,6 +725,8 @@ public:
 
     /// If the next newline should be ignored, used by the special footnote separator paragraph.
     bool m_bIgnoreNextPara;
+    /// If the next tab should be ignored, used for footnotes.
+    bool m_bIgnoreNextTab;
     bool m_bFrameBtLr; ///< Bottom to top, left to right text frame direction is requested for the current text frame.
     /// Pending floating tables: they may be converted to text frames at the section end.
     std::vector<FloatingTableInfo> m_aPendingFloatingTables;