tdf#97049 Export "intd" to MathML

Change-Id: Ie1fc33e18958e73d4876b2b5daceec127011c3cc
Reviewed-on: https://gerrit.libreoffice.org/29003
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Takeshi Abe <tabe@fixedpoint.jp>

3 files changed, 29 insertions, 0 deletions

diff --git a/starmath/qa/extras/mmlexport-test.cxx b/starmath/qa/extras/mmlexport-test.cxx
index f13ee9deba21..3a2d222f18e4 100644
--- a/starmath/qa/extras/mmlexport-test.cxx
+++ b/starmath/qa/extras/mmlexport-test.cxx
@@ -35,9 +35,11 @@ public:
     virtual void setUp() override;
     virtual void tearDown() override;
 
+    void testTdf97049();
     void testTdf101022();
 
     CPPUNIT_TEST_SUITE(MathMLExportTest);
+    CPPUNIT_TEST(testTdf97049);
     CPPUNIT_TEST(testTdf101022);
     CPPUNIT_TEST_SUITE_END();
 
@@ -85,6 +87,16 @@ xmlDocPtr MathMLExportTest::exportAndParse()
     return pDoc;
 }
 
+void MathMLExportTest::testTdf97049()
+{
+    mxDocShell->SetText("intd {{1 over x} dx}");
+    xmlDocPtr pDoc = exportAndParse();
+    assertXPath(pDoc, "/m:math/m:semantics/m:mrow/m:mo[1]", "stretchy", "true");
+    auto aContent = getXPathContent(pDoc, "/m:math/m:semantics/m:mrow/m:mo[1]");
+    CPPUNIT_ASSERT_EQUAL(sal_Int32(1), aContent.getLength());
+    CPPUNIT_ASSERT_EQUAL(sal_Unicode(0x222B), aContent[0]);
+}
+
 void MathMLExportTest::testTdf101022()
 {
 #define CHECK_MATHVARIANT(capital, small) do                            \
diff --git a/starmath/source/mathmlexport.cxx b/starmath/source/mathmlexport.cxx
index 0567181f6df6..2aab22693fa4 100644
--- a/starmath/source/mathmlexport.cxx
+++ b/starmath/source/mathmlexport.cxx
@@ -811,6 +811,11 @@ void SmXMLExport::ExportMath(const SmNode *pNode, int /*nLevel*/)
             AddAttribute(XML_NAMESPACE_MATH, XML_MATHVARIANT, XML_NORMAL);
         pMath = new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MI, true, false);
     }
+    else if (pNode->GetType() == NDYNINTSYMBOL)
+    {
+        AddAttribute(XML_NAMESPACE_MATH, XML_STRETCHY, XML_TRUE);
+        pMath = new SvXMLElementExport(*this, XML_NAMESPACE_MATH, XML_MO, true, false);
+    }
     else
     {
         // Export NMATHIDENT and NPLACE symbols as <mi> elements:
@@ -1456,6 +1461,13 @@ void SmXMLExport::ExportMatrix(const SmNode *pNode, int nLevel)
     }
 }
 
+void SmXMLExport::ExportDynIntegral(const SmDynIntegralNode *pNode, int nLevel)
+{
+    SvXMLElementExport aRow(*this, XML_NAMESPACE_MATH, XML_MROW, true, true);
+    ExportNodes(pNode->Symbol(), nLevel+1);
+    ExportNodes(pNode->Body(), nLevel+1);
+}
+
 void SmXMLExport::ExportNodes(const SmNode *pNode, int nLevel)
 {
     if (!pNode)
@@ -1520,6 +1532,7 @@ void SmXMLExport::ExportNodes(const SmNode *pNode, int nLevel)
         case NSPECIAL: //NSPECIAL requires some sort of Entity preservation in the XML engine.
         case NMATHIDENT :
         case NPLACE:
+        case NDYNINTSYMBOL:
             ExportMath(pNode, nLevel);
             break;
         case NBINHOR:
@@ -1561,6 +1574,9 @@ void SmXMLExport::ExportNodes(const SmNode *pNode, int nLevel)
         case NBLANK:
             ExportBlank(pNode, nLevel);
             break;
+        case NDYNINT:
+            ExportDynIntegral(static_cast<const SmDynIntegralNode *>(pNode), nLevel);
+            break;
        default:
             SAL_WARN("starmath", "Warning: failed to export a node?");
             break;
diff --git a/starmath/source/mathmlexport.hxx b/starmath/source/mathmlexport.hxx
index 4581db8f6cf1..19a29cb35ef7 100644
--- a/starmath/source/mathmlexport.hxx
+++ b/starmath/source/mathmlexport.hxx
@@ -92,6 +92,7 @@ protected:
     void ExportVerticalBrace(const SmVerticalBraceNode *pNode, int nLevel);
     void ExportMatrix(const SmNode *pNode, int nLevel);
     void ExportBlank(const SmNode *pNode, int nLevel);
+    void ExportDynIntegral(const SmDynIntegralNode *pNode, int nLevel);
 
 public:
     SmXMLExport(