fdo#72563 : PAGEREF field tag not preserved during Roundtrip

There was a problem that in case of TOC,PAGEREF field tag was not preserved inside <hyperlink> during Roundtrip.
Reason found, there was no code support to handle PAGEREF in export.
Added code support in export code to handle PAGEREF.

Conflicts:
	sw/qa/extras/ooxmlexport/ooxmlexport.cxx
Reviewed on:
	https://gerrit.libreoffice.org/7605

Change-Id: I1785360684d8772b71c3f45fdd2c654f94777067

sw/qa/extras/ooxmlexport/ooxmlexport.cxx

@@ -2292,7 +2292,7 @@ DECLARE_OOXMLEXPORT_TEST(testFdo69649, "fdo69649.docx")
     xmlDocPtr pXmlDoc = parseExport("word/document.xml");
     if (!pXmlDoc)
         return;
-    xmlNodeSetPtr pXmlNodes = getXPathNode(pXmlDoc,"/w:document/w:body/w:p[21]/w:hyperlink/w:r[2]/w:t");
+    xmlNodeSetPtr pXmlNodes = getXPathNode(pXmlDoc,"/w:document/w:body/w:p[21]/w:hyperlink/w:r[5]/w:t");
     xmlNodePtr pXmlNode = pXmlNodes->nodeTab[0];
     OUString contents = OUString::createFromAscii((const char*)((pXmlNode->children[0]).content));
     CPPUNIT_ASSERT(contents.match("15"));
@@ -2845,6 +2845,20 @@ DECLARE_OOXMLEXPORT_TEST(testGradientFillPreservation, "gradient-fill-preservati
             "/w:document/w:body/w:p/w:r/mc:AlternateContent[2]/mc:Choice/w:drawing/wp:anchor/a:graphic/a:graphicData/wps:wsp/wps:spPr/a:gradFill/a:gsLst/a:gs[@pos='50000']/a:schemeClr/a:satMod",
             "val", "160000");
 }
+
+DECLARE_OOXMLEXPORT_TEST(testPageref, "testPageref.docx")
+{
+    // fdo#72563 : There was a problem that in case of TOC,PAGEREF field tag was not preserved during Roundtrip
+    // This test case is to verify that PAGEREF tag is coming with proper values inside <hyperlink> tag.
+    xmlDocPtr pXmlDoc = parseExport();
+    if (!pXmlDoc)
+        return;
+    xmlNodeSetPtr pXmlNodes = getXPathNode(pXmlDoc,"/w:document/w:body/w:p[2]/w:hyperlink/w:r[3]/w:instrText");
+    xmlNodePtr pXmlNode = pXmlNodes->nodeTab[0];
+    OUString contents = OUString::createFromAscii((const char*)((pXmlNode->children[0]).content));
+    CPPUNIT_ASSERT(contents.match("PAGEREF _Toc355095261 \\h"));
+}
+
 #endif
 
 CPPUNIT_PLUGIN_IMPLEMENT();

sw/source/filter/ww8/docxattributeoutput.cxx

@@ -685,10 +685,35 @@ void DocxAttributeOutput::EndRun()
 
     // write the run start + the run content
     m_pSerializer->mergeTopMarks(); // merges the "actual run start"
-
     // append the actual run end
     m_pSerializer->endElementNS( XML_w, XML_r );
 
+    if(m_startedHyperlink && m_hyperLinkAnchor != "")
+    {
+        OUString sToken;
+        m_pSerializer->startElementNS( XML_w, XML_r, FSEND );
+        m_pSerializer->startElementNS( XML_w, XML_fldChar,
+                FSNS( XML_w, XML_fldCharType ), "begin",
+                FSEND );
+        m_pSerializer->endElementNS( XML_w, XML_fldChar );
+        m_pSerializer->endElementNS( XML_w, XML_r );
+
+
+        m_pSerializer->startElementNS( XML_w, XML_r, FSEND );
+        sToken = "PAGEREF " + m_hyperLinkAnchor + " \\h"; // '\h' Creates a hyperlink to the bookmarked paragraph.
+        DoWriteCmd( sToken );
+        m_pSerializer->endElementNS( XML_w, XML_r );
+
+
+        // Write the Field separator
+        m_pSerializer->startElementNS( XML_w, XML_r, FSEND );
+        m_pSerializer->singleElementNS( XML_w, XML_fldChar,
+                FSNS( XML_w, XML_fldCharType ), "separate",
+                FSEND );
+        m_pSerializer->endElementNS( XML_w, XML_r );
+
+    }
+
     WritePostponedMath();
     WritePendingPlaceholder();
 
@@ -701,6 +726,17 @@ void DocxAttributeOutput::EndRun()
     {
         if ( m_startedHyperlink )
         {
+            if( m_endPageRef )
+            {
+                // Hyperlink is started and fldchar "end" needs to be written for PAGEREF
+                m_pSerializer->startElementNS( XML_w, XML_r, FSEND );
+                m_pSerializer->singleElementNS( XML_w, XML_fldChar,
+                        FSNS( XML_w, XML_fldCharType ), "end",
+                        FSEND );
+                m_pSerializer->endElementNS( XML_w, XML_r );
+                m_endPageRef = false;
+            }
+
             m_pSerializer->endElementNS( XML_w, XML_hyperlink );
             m_startedHyperlink = false;
         }
@@ -935,6 +971,7 @@ void DocxAttributeOutput::CmdField_Impl( FieldInfos& rInfos )
            sToken = sToken.replaceAll("NNNN", "dddd");
            sToken = sToken.replaceAll("NN", "ddd");
         }
+
         // Write the Field command
         DoWriteCmd( sToken );
 
@@ -1402,6 +1439,8 @@ bool DocxAttributeOutput::StartURL( const OUString& rUrl, const OUString& rTarge
 
     bool bBookmarkOnly = AnalyzeURL( rUrl, rTarget, &sUrl, &sMark );
 
+    m_hyperLinkAnchor = sMark;
+
     if ( !sMark.isEmpty() && !bBookmarkOnly )
     {
         m_rExport.OutputField( NULL, ww::eHYPERLINK, sUrl );
@@ -1461,6 +1500,11 @@ bool DocxAttributeOutput::StartURL( const OUString& rUrl, const OUString& rTarge
 bool DocxAttributeOutput::EndURL()
 {
     m_closeHyperlinkInThisRun = true;
+    if(m_hyperLinkAnchor != "")
+    {
+        m_endPageRef = true;
+        m_hyperLinkAnchor = "";
+    }
     return true;
 }
 
@@ -6172,6 +6216,7 @@ DocxAttributeOutput::DocxAttributeOutput( DocxExport &rExport, FSHelperPtr pSeri
       m_pHyperlinkAttrList( NULL ),
       m_pColorAttrList( NULL ),
       m_pBackgroundAttrList( NULL ),
+      m_endPageRef( false ),
       m_pFootnotesList( new ::docx::FootnotesList() ),
       m_pEndnotesList( new ::docx::FootnotesList() ),
       m_footnoteEndnoteRefTag( 0 ),

sw/source/filter/ww8/docxattributeoutput.hxx

@@ -685,7 +685,8 @@ private:
     ::sax_fastparser::FastAttributeList *m_pColorAttrList;
     /// Attributes of the paragraph background
     ::sax_fastparser::FastAttributeList *m_pBackgroundAttrList;
-
+    OUString m_hyperLinkAnchor;
+    bool m_endPageRef;
     ::docx::FootnotesList *m_pFootnotesList;
     ::docx::FootnotesList *m_pEndnotesList;
     int m_footnoteEndnoteRefTag;