dtinfo subtree DtMmdb

cde/programs/dtinfo/DtMmdb/dti_cc/cc_povec.h

@@ -26,6 +26,7 @@
 #define _cc_dlist_array_h
 
 #include "dti_cc/CC_Dlist.h"
+#include "dti_cc/cc_exceptions.h"
 
 template <class T> 
 class dlist_array : public CC_TPtrDlist<T>
@@ -46,6 +47,21 @@ public:
    T* first() ;
 */
 
+   T*  at(size_t pos) const  /* throw boundaryException
+			      * if list size is smaller than pos
+			      */
+   {
+     // Hack to get it passed to iter
+     CC_TPtrSlistIterator<T> iter( *(CC_TPtrSlist<T> *)this );
+     for ( int i = 0; i <=pos; i++ ) {
+       if ( !(++iter) ) {
+         throw(CASTCCBEXCEPT ccBoundaryException(0,0,i));
+       }
+     }
+
+     return( iter.key() );
+   }
+
    T* operator()(size_t i) const { return at(i); };
    T* operator[](size_t i) const { return at(i); };
 };