loplugin:unusedfields,can-be-const in xmlreader

Change-Id: I762a749b858063a1c063ee918bb6d33e06328876
Reviewed-on: https://gerrit.libreoffice.org/57852
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

include/xmlreader/xmlreader.hxx

@@ -78,8 +78,8 @@ private:
     // elements_ and attributes_):
 
     struct NamespaceData {
-        Span prefix;
-        int nsId;
+        Span const prefix;
+        int const nsId;
 
         NamespaceData():
             nsId(-1) {}
@@ -91,9 +91,9 @@ private:
     typedef std::vector< NamespaceData > NamespaceList;
 
     struct ElementData {
-        Span name;
-        NamespaceList::size_type inheritedNamespaces;
-        int defaultNamespaceId;
+        Span const name;
+        NamespaceList::size_type const inheritedNamespaces;
+        int const defaultNamespaceId;
 
         ElementData(
             Span const & theName,
@@ -168,7 +168,7 @@ private:
 
     SAL_DLLPRIVATE static int toNamespaceId(NamespaceIris::size_type pos);
 
-    OUString fileUrl_;
+    OUString const fileUrl_;
     oslFileHandle fileHandle_;
     sal_uInt64 fileSize_;
     void * fileAddress_;

xmlreader/source/xmlreader.cxx

@@ -458,9 +458,9 @@ char const * XmlReader::handleReference(char const * position, char const * end)
     } else {
         struct EntityRef {
             char const * inBegin;
-            sal_Int32 inLength;
+            sal_Int32 const inLength;
             char const * outBegin;
-            sal_Int32 outLength;
+            sal_Int32 const outLength;
         };
         static EntityRef const refs[] = {
             { RTL_CONSTASCII_STRINGPARAM("amp;"),