From 4d6c23216559eb48f9943bb49d6e475a6d64ba15 Mon Sep 17 00:00:00 2001
From: Stephan Bergmann <sbergman@redhat.com>
Date: Fri, 16 Dec 2022 23:02:08 +0100
Subject: loplugin:unocast (oox::ForumlaImExportBase)

(See the upcoming commit introducing that loplugin:unocast on why such
dynamic_casts from UNO types are dangerous.)

Change-Id: I11bc363447c44319bc47f7eebb7084f64ea85511
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/144400
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
---
 oox/source/drawingml/shape.cxx |  3 ++-
 oox/source/export/shapes.cxx   |  3 ++-
 oox/source/mathml/imexport.cxx | 10 ++++++++++
 3 files changed, 14 insertions(+), 2 deletions(-)

(limited to 'oox')

diff --git a/oox/source/drawingml/shape.cxx b/oox/source/drawingml/shape.cxx
index d5b02455ab35..7c2920eabcbf 100644
--- a/oox/source/drawingml/shape.cxx
+++ b/oox/source/drawingml/shape.cxx
@@ -56,6 +56,7 @@
 #include <comphelper/propertysequence.hxx>
 #include <comphelper/propertyvalue.hxx>
 #include <comphelper/sequence.hxx>
+#include <comphelper/servicehelper.hxx>
 #include <comphelper/diagnose_ex.hxx>
 #include <tools/gen.hxx>
 #include <tools/globname.hxx>
@@ -1295,7 +1296,7 @@ Reference< XShape > const & Shape::createAndInsert(
             {
                 uno::Reference<uno::XInterface> const xMathModel(xObj->getComponent());
                 oox::FormulaImExportBase *const pMagic(
-                        dynamic_cast<oox::FormulaImExportBase*>(xMathModel.get()));
+                        comphelper::getFromUnoTunnel<oox::FormulaImExportBase>(xMathModel));
                 assert(pMagic);
                 pMagic->readFormulaOoxml(*pMathXml);
             }
diff --git a/oox/source/export/shapes.cxx b/oox/source/export/shapes.cxx
index 137c69fe7c33..ce3787069adb 100644
--- a/oox/source/export/shapes.cxx
+++ b/oox/source/export/shapes.cxx
@@ -71,6 +71,7 @@
 #include <tools/globname.hxx>
 #include <comphelper/classids.hxx>
 #include <comphelper/propertysequence.hxx>
+#include <comphelper/servicehelper.hxx>
 #include <comphelper/storagehelper.hxx>
 #include <sot/exchange.hxx>
 #include <utility>
@@ -2473,7 +2474,7 @@ void ShapeExport::WriteMathShape(Reference<XShape> const& xShape)
     mpFS->startElementNS(XML_a14, XML_m);
 
     oox::FormulaImExportBase *const pMagic(
-        dynamic_cast<oox::FormulaImExportBase*>(xMathModel.get()));
+        comphelper::getFromUnoTunnel<oox::FormulaImExportBase>(xMathModel));
     assert(pMagic);
     pMagic->writeFormulaOoxml(GetFS(), GetFB()->getVersion(), GetDocumentType(),
         FormulaImExportBase::eFormulaAlign::INLINE);
diff --git a/oox/source/mathml/imexport.cxx b/oox/source/mathml/imexport.cxx
index 2b5990679bea..ad0389051b42 100644
--- a/oox/source/mathml/imexport.cxx
+++ b/oox/source/mathml/imexport.cxx
@@ -13,6 +13,7 @@
 #include <oox/core/contexthandler.hxx>
 #include <oox/token/namespaces.hxx>
 
+#include <comphelper/servicehelper.hxx>
 #include <drawingml/textparagraph.hxx>
 
 
@@ -21,6 +22,15 @@ using namespace ::com::sun::star;
 namespace oox
 {
 
+sal_Int64 FormulaImExportBase::getSomething(css::uno::Sequence<sal_Int8> const & aIdentifier) {
+    return comphelper::getSomethingImpl(aIdentifier, this);
+}
+
+css::uno::Sequence<sal_Int8> const & FormulaImExportBase::getUnoTunnelId() {
+    static comphelper::UnoIdInit const id;
+    return id.getSeq();
+}
+
 FormulaImExportBase::FormulaImExportBase()
 {
 }
-- 
cgit