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Further reduction of redundant code by merging 0 param case for constructors in

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This commit is contained in:
Jason Turner
2009-06-18 01:37:13 +00:00
parent febc3753be
commit 6894a59e87
1 changed files with 4 additions and 19 deletions
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23
dispatchkit/proxy_constructors.hpp
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@@ -8,23 +8,8 @@
#include <boost/bind.hpp> #include <boost/bind.hpp>
#include <boost/function.hpp> #include <boost/function.hpp>
namespace dispatchkit
{
template<typename Class>
boost::shared_ptr<Class> constructor()
{
return boost::shared_ptr<Class>(new Class());
}
template<typename Class> #define BOOST_PP_ITERATION_LIMITS ( 0, 10 )
boost::function<boost::shared_ptr<Class> ()> build_constructor()
{
typedef boost::shared_ptr<Class> (*func)();
return boost::function<boost::shared_ptr<Class> ()>(func(&(constructor<Class>)));
}
}
#define BOOST_PP_ITERATION_LIMITS ( 1, 10 )
#define BOOST_PP_FILENAME_1 "proxy_constructors.hpp" #define BOOST_PP_FILENAME_1 "proxy_constructors.hpp"
#include BOOST_PP_ITERATE() #include BOOST_PP_ITERATE()
# endif # endif
@@ -33,17 +18,17 @@ namespace dispatchkit
namespace dispatchkit namespace dispatchkit
{ {
template<typename Class, BOOST_PP_ENUM_PARAMS(n, typename Param) > template<typename Class BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename Param) >
boost::shared_ptr<Class> constructor( BOOST_PP_ENUM_BINARY_PARAMS(n, Param, p) ) boost::shared_ptr<Class> constructor( BOOST_PP_ENUM_BINARY_PARAMS(n, Param, p) )
{ {
return boost::shared_ptr<Class>(new Class( BOOST_PP_ENUM_PARAMS(n, p) )); return boost::shared_ptr<Class>(new Class( BOOST_PP_ENUM_PARAMS(n, p) ));
} }
template<typename Class, BOOST_PP_ENUM_PARAMS(n, typename Param) > template<typename Class BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename Param) >
boost::function<boost::shared_ptr<Class> (BOOST_PP_ENUM_PARAMS(n, Param))> build_constructor() boost::function<boost::shared_ptr<Class> (BOOST_PP_ENUM_PARAMS(n, Param))> build_constructor()
{ {
typedef boost::shared_ptr<Class> (*func)(BOOST_PP_ENUM_PARAMS(n, Param)); typedef boost::shared_ptr<Class> (*func)(BOOST_PP_ENUM_PARAMS(n, Param));
return boost::function<boost::shared_ptr<Class> (BOOST_PP_ENUM_PARAMS(n, Param))>(func(&(constructor<Class, BOOST_PP_ENUM_PARAMS(n, Param)>))); return boost::function<boost::shared_ptr<Class> (BOOST_PP_ENUM_PARAMS(n, Param))>(func(&(constructor<Class BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, Param)>)));
} }
} }