xmlsecurity: refactor to allow multiple signature parser implementations

Change-Id: I1d1ae4a0bf41b89fe2f8db9b44d3b0b7a0dfd1cd

xmlsecurity/source/helper/xsecctl.cxx

@@ -56,7 +56,6 @@ XSecController::XSecController( const cssu::Reference<cssu::XComponentContext>&
     , m_nStatusOfSecurityComponents(UNINITIALIZED)
     , m_bIsSAXEventKeeperSticky(false)
     , m_pErrorMessage(nullptr)
-    , m_pXSecParser(nullptr)
     , m_nReservedSignatureId(0)
     , m_bVerifyCurrentSignature(false)
 {

xmlsecurity/source/helper/xsecctl.hxx

@@ -310,7 +310,7 @@ private:
     /*
      * the XSecParser which is used to parse the signature stream
      */
-    XSecParser *m_pXSecParser;
+    css::uno::Reference<css::xml::sax::XDocumentHandler> m_xSecParser;
 
     /*
      * the caller assigned signature id for the next signature in the

xmlsecurity/source/helper/xsecverify.cxx

@@ -31,6 +31,7 @@
 #include <sal/log.hxx>
 #include <unotools/datetime.hxx>
 
+using namespace com::sun::star;
 namespace cssu = com::sun::star::uno;
 namespace cssl = com::sun::star::lang;
 namespace cssxc = com::sun::star::xml::crypto;
@@ -371,7 +372,7 @@ void XSecController::collectToVerify( const OUString& referenceId )
 
 void XSecController::addSignature( sal_Int32 nSignatureId )
 {
-    DBG_ASSERT( m_pXSecParser != nullptr, "No XSecParser initialized" );
+    DBG_ASSERT( m_xSecParser.is(), "No XSecParser initialized" );
 
     m_nReservedSignatureId = nSignatureId;
     m_bVerifyCurrentSignature = true;
@@ -379,18 +380,18 @@ void XSecController::addSignature( sal_Int32 nSignatureId )
 
 cssu::Reference< cssxs::XDocumentHandler > XSecController::createSignatureReader()
 {
-    m_pXSecParser = new XSecParser( this, nullptr );
-    cssu::Reference< cssl::XInitialization > xInitialization = m_pXSecParser;
+    m_xSecParser = new XSecParser( this, nullptr );
+    cssu::Reference< cssl::XInitialization > xInitialization(m_xSecParser, uno::UNO_QUERY);
 
     setSAXChainConnector(xInitialization, nullptr, nullptr);
 
-    return m_pXSecParser;
+    return m_xSecParser;
 }
 
 void XSecController::releaseSignatureReader()
 {
     clearSAXChainConnector( );
-    m_pXSecParser = nullptr;
+    m_xSecParser.clear();
 }
 
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