diff options
Diffstat (limited to 'include/engine.h')
| -rw-r--r-- | include/engine.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/include/engine.h b/include/engine.h index 9009f01fb..76147f347 100644 --- a/include/engine.h +++ b/include/engine.h @@ -28,7 +28,7 @@ class Engine { public: virtual T* get(const std::string&) const = 0; - virtual void add(T* algo) const = 0; + virtual void add(T* algo, const std::string& = "") const = 0; virtual ~Algorithm_Cache() {} }; @@ -75,14 +75,18 @@ class Engine find_bc_pad(const std::string&) const; template<typename T> - T* lookup_algo(const Algorithm_Cache<T>* cache, - const std::string& name, - const Engine* engine, - T* (Engine::*find)(const std::string& name) const) const + const T* lookup_algo(const Algorithm_Cache<T>* cache, + const std::string& name, + const Engine* engine, + T* (Engine::*find)(const std::string&) const) const { T* algo = cache->get(name); if(!algo) - cache->add(algo = (engine->*find)(name)); + { + algo = (engine->*find)(name); + if(algo) + cache->add(algo, name); + } return algo; } |