typemap

TYPEMAP
uu2System *  O_SYSTEM_OBJECT
uu2Unit * O_UNIT_OBJECT
uu2Converter * O_CONVERTER_OBJECT
  
INPUT
O_SYSTEM_OBJECT
    if( sv_isobject($arg) && (SvTYPE(SvRV($arg)) == SVt_PVMG) )
            $var = INT2PTR($type,SvIV((SV*)SvRV( $arg )));
    else{
            warn( \"${Package}::$func_name() -- $var is not a blessed SV reference\" );
            XSRETURN_UNDEF;
    }

O_UNIT_OBJECT
    if( sv_isobject($arg) && (SvTYPE(SvRV($arg)) == SVt_PVMG) )
            $var = INT2PTR($type,SvIV((SV*)SvRV( $arg )));
    else{
            warn( \"${Package}::$func_name() -- $var is not a blessed SV reference\" );
            XSRETURN_UNDEF;
    }

O_CONVERTER_OBJECT
    if( sv_isobject($arg) && (SvTYPE(SvRV($arg)) == SVt_PVMG) )
            $var = INT2PTR($type,SvIV((SV*)SvRV( $arg )));
    else{
            warn( \"${Package}::$func_name() -- $var is not a blessed SV reference\" );
            XSRETURN_UNDEF;
    }


OUTPUT
O_SYSTEM_OBJECT
    sv_setref_pv( $arg, (char *)\"Physics::Udunits2::System\", (void*)$var );

O_UNIT_OBJECT
    sv_setref_pv( $arg, (char *)\"Physics::Udunits2::Unit\", (void*)$var );

O_CONVERTER_OBJECT
    sv_setref_pv( $arg, (char *)\"Physics::Udunits2::Converter\", (void*)$var );