[ObjectHandler-cvs] ObjectHandler/oh/Conversions coerce.hpp, 1.1, 1.2

[Eric E. <eri...@us...>]

Update of /cvsroot/objecthandler/ObjectHandler/oh/Conversions
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv15203/oh/Conversions

Modified Files:
	coerce.hpp 
Log Message:
support for coercion

Index: coerce.hpp
===================================================================
RCS file: /cvsroot/objecthandler/ObjectHandler/oh/Conversions/coerce.hpp,v
retrieving revision 1.1
retrieving revision 1.2
diff -C2 -d -r1.1 -r1.2
*** coerce.hpp	19 Nov 2006 13:08:27 -0000	1.1
--- coerce.hpp	22 Nov 2006 21:37:10 -0000	1.2
***************
*** 36,43 ****
                  conversion++;
              }
!             std::ostringstream msg;
!             msg << "Unable to coerce value to type " 
!                 << typeid(TypeOut).name();
!             throw Exception(msg.str());
          }
  
--- 36,49 ----
                  conversion++;
              }
!             OH_FAIL("Unable to coerce value to type " 
!                 << typeid(TypeOut).name());
!         }
! 
!         TypeOut operator()(const TypeIn &in, const TypeOut &defaultValue) {
!             if (inputMissing(in)) {
!                 return defaultValue;
!             } else {
!                 return this->operator()(in);
!             }
          }
  
***************
*** 45,48 ****
--- 51,55 ----
          typedef bool (*Conversion)(const TypeIn&, TypeOut&);
          virtual Conversion *getConversions() = 0;
+         virtual bool inputMissing(const TypeIn&) { return false; }
      };