\r
#include <boost/noncopyable.hpp>\r
\r
+#include <algorithm>\r
#include <functional>\r
#include <string>\r
#include <vector>\r
\r
safe_ptr<core::frame_producer> create_destroy_producer_proxy(executor& destroy_context, const safe_ptr<frame_producer>& producer);\r
\r
+template<typename T>\r
+typename std::decay<T>::type get_param(const std::wstring& name, const std::vector<std::wstring>& params, T fail_value)\r
+{ \r
+ auto it = std::find(params.begin(), params.end(), name);\r
+ if(it == params.end() || ++it == params.end()) \r
+ return fail_value;\r
+ \r
+ T value = fail_value;\r
+ try\r
+ {\r
+ value = boost::lexical_cast<std::decay<T>::type>(*it);\r
+ }\r
+ catch(boost::bad_lexical_cast&){}\r
+\r
+ return value;\r
+}\r
+\r
}}\r