Support custom file parsing

include/PSX/File/file_processor_helper.hpp

@@ -0,0 +1,23 @@
+#pragma once
+#include "Processor/file_processor.hpp"
+#include "cd_file_types.hpp"
+
+namespace JabyEngine {
+    namespace FileProcessor {
+        namespace Helper {
+            template<typename T>
+            static void simple_read(T& dst, State::Configuration& config) {
+                static constexpr size_t T_SIZE = sizeof(T);
+
+                dst = *reinterpret_cast<const T*>(config.data_adr);
+                config.processed(T_SIZE);
+            }
+
+            template<typename T>
+            static Progress exchange_and_execute_process_function(State::GenericProcessRoutine<T> process_routine, State::Configuration& config, T& state) {
+                config.process_routine = reinterpret_cast<State::ProcessRoutine>(process_routine);
+                return process_routine(config, state);
+            }
+        }
+    }
+}