Bug#13213: DOMImplementation::hasFeature() should be const

git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@174294 13f79535-47bb-0310-9956-ffa450edef68

src/xercesc/dom/DOMImplementation.hpp

@@ -122,7 +122,7 @@ public:
      *   specified version, <code>false</code> otherwise.
      * @since DOM Level 1
      */
-    virtual bool  hasFeature(const XMLCh *feature,  const XMLCh *version) = 0;
+    virtual bool  hasFeature(const XMLCh *feature,  const XMLCh *version) const = 0;
     //@}
 
     // -----------------------------------------------------------------------

src/xercesc/dom/impl/DOMImplementationImpl.cpp

@@ -143,7 +143,7 @@ DOMImplementationImpl *DOMImplementationImpl::getDOMImplementationImpl() {
 // ------------------------------------------------------------
 // DOMImplementation Virtual interface
 // ------------------------------------------------------------
-bool  DOMImplementationImpl::hasFeature(const  XMLCh * feature,  const  XMLCh * version)
+bool  DOMImplementationImpl::hasFeature(const  XMLCh * feature,  const  XMLCh * version) const
 {
     if (!feature)
         return false;

src/xercesc/dom/impl/DOMImplementationImpl.hpp

@@ -87,7 +87,7 @@ public:
     // ------------------------------------------------------------
     // DOMImplementation Virtual interface
     // ------------------------------------------------------------
-    virtual bool                hasFeature(const  XMLCh * feature,  const  XMLCh * version);
+    virtual bool                hasFeature(const  XMLCh * feature,  const  XMLCh * version) const;
 
     // Introduced in DOM Level 2
     virtual DOMDocumentType*    createDocumentType(const XMLCh *qualifiedName,