inital commit

Crafter.Event.cppm

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+module;
+
+#include <map>
+#include <functional>
+#include <vector>
+#include <algorithm>
+
+export module Crafter.Event;
+
+namespace Crafter {
+    export template <class T>
+    class Event;
+
+    export template<>
+    class Event<void>;
+
+    export template<typename T>
+    class EventListener {
+    public:
+        int priority;
+        EventListener();
+        void SetEvent(Event<T>* eventToListenTo, std::function<void(T)> function, int priority = 0);
+        EventListener(Event<T>* eventToListenTo, std::function<void(T)> function, int priority = 0);
+        ~EventListener();
+        Event<T>* eventToListenTo;
+        std::function<void(T)> function;
+    };
+
+    export template<>
+    class EventListener<void> {
+    public:
+        int priority;
+        EventListener();
+        void SetEvent(Event<void>* eventToListenTo, std::function<void()> function, int priority = 0);
+        EventListener(Event<void>* eventToListenTo, std::function<void()> function, int priority = 0);
+        ~EventListener();
+        Event<void>* eventToListenTo;
+        std::function<void()> function;
+    };
+
+    export template<typename T>
+    class Event {
+    private:
+        std::map<int, std::vector<EventListener<T>*>> listeners;
+    public:
+        ~Event() {
+            for (const auto& listenerSlice : listeners) {
+                const std::vector<EventListener<T>*> slice = listenerSlice.second;
+                for (const auto& listener : slice) {
+                    listener->eventToListenTo = nullptr;
+                }
+            }
+        }
+
+        void AddListener(EventListener<T>* listener, int priority = 0) {
+            if (listeners.contains(priority)) {
+                listeners[priority].push_back(listener);
+            }
+            else {
+                listeners[priority] = std::vector<EventListener<T>*>{ listener };
+            }
+        }
+
+        void RemoveListener(EventListener<T>* listener) {
+            listeners[listener->priority].erase(std::remove(listeners[listener->priority].begin(), listeners[listener->priority].end(), listener), listeners[listener->priority].end());
+        }
+
+        void Invoke(T data) {
+            for (const auto& listenerSlice : listeners) {
+                const std::vector<EventListener<T>*> slice = listenerSlice.second;
+                for (const auto& listener : slice) {
+                    listener->function(data);
+                }
+            }
+        }
+    };
+
+    template<typename T> void EventListener<T>::SetEvent(Event<T>* eventToListenTo, std::function<void(T)> listener, int priority)
+    {
+        this->priority = priority;
+        if (this->eventToListenTo != nullptr) {
+            eventToListenTo->RemoveListener(this);
+        }
+        this->eventToListenTo = eventToListenTo;
+        eventToListenTo->AddListener(this);
+        this->function = listener;
+    }
+
+    template<typename T> EventListener<T>::EventListener(Event<T>* eventToListenTo, std::function<void(T)> listener, int priority) : priority(priority), eventToListenTo(eventToListenTo), function(listener) {
+        eventToListenTo->AddListener(this);
+    }
+
+    template<typename T> EventListener<T>::~EventListener() {
+        if (eventToListenTo != nullptr) {
+            eventToListenTo->RemoveListener(this);
+        }
+    }
+
+    template<typename T> EventListener<T>::EventListener() {
+        eventToListenTo = nullptr;
+    }
+
+    export template<>
+        class Event<void> {
+        private:
+            std::map<int, std::vector<EventListener<void>*>> listeners;
+
+        public:
+            ~Event() {
+                for (const auto& listenerSlice : listeners) {
+                    const std::vector<EventListener<void>*> slice = listenerSlice.second;
+                    for (const auto& listener : slice) {
+                        listener->eventToListenTo = nullptr;
+                    }
+                }
+            }
+
+            void AddListener(EventListener<void>* listener, int priority = 0) {
+                if (listeners.contains(priority)) {
+                    listeners[priority].push_back(listener);
+                }
+                else {
+                    listeners[priority] = std::vector<EventListener<void>*>{ listener };
+                }
+            }
+
+            void RemoveListener(EventListener<void>* listener) {
+                listeners[listener->priority].erase(std::remove(listeners[listener->priority].begin(), listeners[listener->priority].end(), listener), listeners[listener->priority].end());
+            }
+
+            void Invoke() {
+                for (const auto& listenerSlice : listeners) {
+                    const std::vector<EventListener<void>*> slice = listenerSlice.second;
+                    for (const auto& listener : slice) {
+                        listener->function();
+                    }
+                }
+            }
+    };
+
+    void EventListener<void>::SetEvent(Event<void>* eventToListenTo, std::function<void()> listener, int priority)
+    {
+        this->priority = priority;
+        if (this->eventToListenTo != nullptr) {
+            eventToListenTo->RemoveListener(this);
+        }
+        this->eventToListenTo = eventToListenTo;
+        eventToListenTo->AddListener(this);
+        this->function = listener;
+    }
+
+    EventListener<void>::EventListener(Event<void>* eventToListenTo, std::function<void()> listener, int priority) : priority(priority), eventToListenTo(eventToListenTo), function(listener) {
+        eventToListenTo->AddListener(this);
+    }
+
+    EventListener<void>::~EventListener() {
+        if (eventToListenTo != nullptr) {
+            eventToListenTo->RemoveListener(this);
+        }
+    }
+
+    EventListener<void>::EventListener() {
+        eventToListenTo = nullptr;
+    }
+}

build/Crafter.Thread

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+Subproject commit 79b152bd67194ed11b56eb6cd3f5019f862296dd

build/debug/Crafter.Thread

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+Subproject commit 79b152bd67194ed11b56eb6cd3f5019f862296dd

project.json

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+{
+    "name": "crafter-event",
+    "configurations": [
+        {
+            "name": "base",
+            "standard": "c++26",
+            "source_files": [],
+            "module_files": ["Crafter.Event"],
+            "additional_files": [],
+            "build_dir": "./build",
+            "output_dir": "./bin",
+            "type":"library"
+        },
+        {
+            "name": "debug",
+            "extends": ["base"],
+            "optimization_level": "0",
+            "debug":true,
+            "dependencies": [
+                {
+                    "path":"https://forgejo.catcrafts.net/Catcrafts/Crafter.Thread.git",
+                    "configuration":"debug"
+                }
+            ]
+        },
+        {
+            "name": "release",
+            "extends": ["base"],
+            "optimization_level": "3",
+            "dependencies": [
+                {
+                    "path":"https://forgejo.catcrafts.net/Catcrafts/Crafter.Thread.git",
+                    "configuration":"release"
+                }
+            ]
+        }
+    ]
+}