remove log dispatcher cfr. offline discussion

Signed-off-by: Martijn Govers <[email protected]>

Author: mgovers

power_grid_model_c/power_grid_model/include/power_grid_model/common/logging.hpp

@@ -55,11 +55,6 @@ struct Logger {
     virtual ~Logger() = default;
 };
 
-struct LogDispatch : public Logger {
-    virtual void registrar(Logger* logger) = 0;
-    virtual void deregistrar(Logger* logger) = 0;
-};
-
 } // namespace common::logging
 
 using common::logging::LogEvent;

power_grid_model_c/power_grid_model/include/power_grid_model/common/logging_impl.hpp

@@ -18,51 +18,4 @@ class NoLogger : public Logger {
     std::unique_ptr<Logger> clone() const override { return std::make_unique<NoLogger>(); }
 };
 
-class LogDispatcher final : public LogDispatch {
-  public:
-    void log(LogEvent tag) override { log_impl(tag); }
-    void log(LogEvent tag, std::string_view message) override { log_impl(tag, message); }
-    void log(LogEvent tag, double value) override { log_impl(tag, value); }
-    void log(LogEvent tag, Idx value) override { log_impl(tag, value); }
-    void registrar(Logger* logger) override {
-        if (logger != nullptr && std::ranges::find(loggers_, logger) == loggers_.end()) {
-            loggers_.push_back(logger);
-        }
-    }
-    void deregistrar(Logger* logger) override {
-        if (logger != nullptr) {
-            std::erase(loggers_, logger);
-        }
-    }
-    std::unique_ptr<Logger> clone() const override { return std::make_unique<LogDispatcher>(); }
-
-    LogDispatcher() = default;
-    LogDispatcher(const LogDispatcher&) = delete;
-    LogDispatcher& operator=(const LogDispatcher&) = delete;
-    LogDispatcher(LogDispatcher&&) = default;
-    LogDispatcher& operator=(LogDispatcher&&) = default;
-    ~LogDispatcher() override = default;
-
-  private:
-    std::vector<Logger*> loggers_;
-
-    template <typename... T>
-    constexpr void log_impl(LogEvent tag, T&&... values)
-        requires requires(Logger log_) {
-            { log_.log(tag, values...) };
-        }
-    {
-        if (loggers_.size() == 1 && loggers_.front() != nullptr) { // allows perfect forwarding to log messages
-            loggers_.front()->log(tag, std::forward<T>(values)...);
-        } else {
-            for (auto& logger : loggers_) {
-                if (logger != nullptr) {
-                    logger->log(tag, values...);
-                }
-            }
-            capturing::into_the_void(std::forward<T>(values)...);
-        }
-    }
-};
-
 } // namespace power_grid_model::common::logging