fdo#46808, convert xml::xpath::XPathExtension service to new-style

Change-Id: Ibdfaa221d33ae405c08bc13aa9ed280b30448772

forms/source/xforms/computedexpression.cxx

@@ -29,7 +29,7 @@
 #include <com/sun/star/xml/dom/XNode.hpp>
 #include <com/sun/star/xml/xpath/XPathAPI.hpp>
 #include <com/sun/star/xml/xpath/XXPathObject.hpp>
-#include <com/sun/star/xml/xpath/XXPathExtension.hpp>
+#include <com/sun/star/xml/xpath/XPathExtension.hpp>
 #include <com/sun/star/beans/NamedValue.hpp>
 #include <com/sun/star/lang/XInitialization.hpp>
 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
@@ -47,6 +47,7 @@ using com::sun::star::xml::dom::XNode;
 using com::sun::star::container::XNameContainer;
 using com::sun::star::xml::xpath::XPathAPI;
 using com::sun::star::xml::xpath::XXPathAPI;
+using com::sun::star::xml::xpath::XPathExtension;
 using com::sun::star::xml::xpath::XXPathExtension;
 using com::sun::star::xml::xpath::XXPathObject;
 using com::sun::star::xml::xpath::XPathObjectType_XPATH_UNDEFINED;
@@ -193,18 +194,8 @@ Reference<XXPathAPI> ComputedExpression::_getXPathAPI(const xforms::EvaluationCo
     Reference<XXPathAPI> xXPath( XPathAPI::create( comphelper::getProcessComponentContext() ) );
 
     // register xforms extension#
-    Sequence< Any > aSequence(2);
-    NamedValue aValue;
-    aValue.Name = "Model";
-    aValue.Value <<= aContext.mxModel;
-    aSequence[0] <<= aValue;
-    aValue.Name = "ContextNode";
-    aValue.Value <<= aContext.mxContextNode;
-    aSequence[1] <<= aValue;
     Reference< XComponentContext > aComponentContext = comphelper::getProcessComponentContext();
-    Reference< XXPathExtension > aExtension(
-        aComponentContext->getServiceManager()->createInstanceWithArgumentsAndContext("com.sun.star.comp.xml.xpath.XFormsExtension", aSequence, aComponentContext),
-        UNO_QUERY_THROW);
+    Reference< XXPathExtension > aExtension = XPathExtension::createWithModel(aComponentContext, aContext.mxModel, aContext.mxContextNode);
     xXPath->registerExtensionInstance(aExtension);
 
     // register namespaces

forms/source/xforms/xpathlib/extension.cxx

@@ -63,6 +63,13 @@ Libxml2ExtensionHandle SAL_CALL CLibxml2XFormsExtension::getLibxml2ExtensionHand
 
 void SAL_CALL CLibxml2XFormsExtension::initialize(const Sequence< Any >& aSequence) throw (RuntimeException)
 {
+    if (aSequence.getLength() == 2
+        && (aSequence[0] >>= m_aModel)
+        && (aSequence[1] >>= m_aContextNode))
+    {
+        return;
+    }
+
     NamedValue aValue;
     for (sal_Int32 i = 0; i < aSequence.getLength(); i++)
     {

offapi/UnoApi_offapi.mk

@@ -370,6 +370,7 @@ $(eval $(call gb_UnoApi_add_idlfiles_nohdl,offapi,offapi/com/sun/star/xml/sax,\
 ))
 $(eval $(call gb_UnoApi_add_idlfiles_nohdl,offapi,offapi/com/sun/star/xml/xpath,\
 	XPathAPI \
+	XPathExtension \
 ))
 $(eval $(call gb_UnoApi_add_idlfiles_nohdl,offapi,offapi/com/sun/star/xml/xslt,\
 	XSLTTransformer \
@@ -1541,9 +1542,6 @@ $(eval $(call gb_UnoApi_add_idlfiles_noheader,offapi,offapi/com/sun/star/xml/wra
 	XMLDocumentWrapper \
 	XMLElementWrapper \
 ))
-$(eval $(call gb_UnoApi_add_idlfiles_noheader,offapi,offapi/com/sun/star/xml/xpath,\
-	XPathExtension \
-))
 $(eval $(call gb_UnoApi_add_idlfiles_noheader,offapi,offapi/com/sun/star/xsd,\
 	Boolean \
 	Date \

offapi/com/sun/star/xml/xpath/XPathExtension.idl

@@ -20,14 +20,16 @@
 #ifndef __com_sun_star_xml_xpath_XPathExtension_idl__
 #define __com_sun_star_xml_xpath_XPathExtension_idl__
 
+#include <com/sun/star/xforms/XModel.idl>
 #include <com/sun/star/xml/xpath/XXPathExtension.idl>
+#include <com/sun/star/xml/dom/XNode.idl>
 
 module com {  module sun {  module star {  module xml { module xpath {
 
-    service XPathExtension
-    {
-        interface XXPathExtension;
-    };
+service XPathExtension : XXPathExtension
+{
+    createWithModel([in] com::sun::star::xforms::XModel Model, [in] com::sun::star::xml::dom::XNode ContextNode);
+};
 
 };};};};};
 #endif