5 Commits

Author SHA1 Message Date
5a1d864e15 Merge remote-tracking branch 'origin/master'
# Conflicts:
#	CMakeLists.txt
2024-08-21 13:22:37 -04:00
e01acbed26 Refactor Event class to support any delegate type. 2024-08-21 13:21:57 -04:00
27af86ebf2 Update Event.h 2024-06-01 19:32:26 -04:00
Redacted
7620b9f06f Update main.cpp
Fix oof
2024-05-21 13:45:25 -04:00
d9e0931a4d Update CMakeLists.txt 2024-05-21 13:40:35 -04:00
5 changed files with 73 additions and 50 deletions

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@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.18)
cmake_minimum_required(VERSION 3.27)
project(Event
VERSION 1.0
LANGUAGES CXX
@@ -10,20 +10,19 @@ endif()
set(CMAKE_CXX_STANDARD 20)
if (WIN32)
set(CMAKE_CXX_FLAGS "-municode")
endif()
file(GLOB_RECURSE SOURCES "src/*.cpp")
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
include_directories("include")
add_library(Event SHARED ${SOURCES}
src/Event.cpp
include/EventConnection.h
src/EventConnection.cpp)
if (UNIX)
add_library(Event SHARED ${SOURCES})
endif()
if (WIN32)
add_library(Event STATIC ${SOURCES})
endif()
set_target_properties(Event PROPERTIES LINKER_LANGUAGE CXX)

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@@ -1,27 +1,31 @@
/// @file Event.hpp
/// @description Templated Event Hook Class modeled after C# events
/// @file BasicEvent.hpp
/// @description Templated BasicEvent Hook Class modeled after C# events
/// @author Josh O'Leary - Redacted Software
/// @revision 3
/// @lastedit 2024-02-21
/// @lastedit 2024-06-01
/// @license Unlicense - Public Domain
#pragma once
#include <chrono>
#include <functional>
#include <memory>
// TODO: Document & Explain this
// TODO: ThreadSafeEvent / AsyncEvent version of the class.
// TODO: ConsumableEvent - a version that can be "consumed" by a callback by returning true. It will be sunk and not passed to further callbacks.
#include <EventConnection.h>
///
template <typename delegate, typename ... Args>
class Connection;
template <typename ... Args>
class EventConnection;
template <typename ... Args>
class Event {
/// BasicEvent is a templated class that can be used to raise events that can be listened in on
/// at other points in a codebase without having to tightly couple the two pieces of code.
/// @param delegate A type that can be invoked via operator() 'Call operator'.
/// @param Args... The arguments that will be expected by this event and passed to it's delegate.
template <typename delegate, typename ... Args>
class BasicEvent {
public:
using delegate = std::function<void(Args...)>;
using connection = EventConnection<Args ...>;
using connection = Connection<delegate, Args ...>;
using event_ptr = std::shared_ptr<connection>;
public:
void Await(Args& ... arg);
@@ -35,28 +39,32 @@ private:
uint64_t listenerCounter = 0;
};
template<typename... Args>
EventConnection<Args...> Event<Args...>::operator+=(Event::delegate callback) { return Connect(callback); }
template<typename delegate, typename... Args>
Connection<delegate, Args...> BasicEvent<delegate, Args...>::operator+=(delegate callback) { return Connect(callback); }
template<typename... Args>
void Event<Args...>::operator()(Args... args) { Invoke(args...);}
template<typename delegate, typename... Args>
void BasicEvent<delegate, Args...>::operator()(Args... args) { Invoke(args...);}
template <typename ... Args>
void Event<Args...>::Invoke(Args... args) {
template <typename delegate, typename ... Args>
void BasicEvent<delegate, Args...>::Invoke(Args... args) {
for (event_ptr &connection_ptr: this->listeners) {
connection_ptr->Invoke(args...);
}
}
template <typename ... Args>
EventConnection<Args...> Event<Args...>::Connect(delegate callback)
template <typename delegate, typename ... Args>
Connection<delegate, Args...> BasicEvent<delegate, Args...>::Connect(delegate callback)
{
event_ptr retval(new connection(this, callback));
this->listeners.push_back(retval);
return *retval;
}
template <typename ... Args>
void Event<Args...>::Disconnect(connection &conn) {
template <typename delegate, typename ... Args>
void BasicEvent<delegate, Args...>::Disconnect(connection &conn) {
listeners.erase(std::remove(listeners.begin(), listeners.end(), 99), listeners.end());
}
}
template <typename ... Args>
using Event = BasicEvent<std::function<void(Args...)>, Args...>;

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@@ -1,4 +1,4 @@
/// @file EventConnection.hpp
/// @file Connection.hpp
/// @description Callback handler for event connections
/// @author Josh O'Leary - Redacted Software
/// @revision 3
@@ -10,32 +10,32 @@
#include <functional>
#include <Event.h>
template <typename ... Args>
class Event;
template <typename delegate, typename ... Args>
class BasicEvent;
template <typename ... Args>
class EventConnection {
/// A type that represents a handle to an active event connection.
template <typename delegate, typename ... Args>
class Connection {
private:
using delegate = std::function<void(Args...)>;
public:
EventConnection(Event<Args...> *creator, delegate cb);
Connection(BasicEvent<delegate, Args...> *creator, delegate cb);
bool Disconnect(); // Breaks the event connection, but does not destroy the instance
void Invoke(Args... e);
private:
Event<Args...> * owner;
BasicEvent<delegate, Args...> * owner;
delegate callback;
bool active = true;
};
template<typename... Args>
EventConnection<Args...>::EventConnection(Event<Args...> *creator, EventConnection::delegate cb) : owner(creator), callback(std::move(cb)) {}
template<typename delegate, typename... Args>
Connection<delegate, Args...>::Connection(BasicEvent<delegate, Args...> *creator, delegate cb) : owner(creator), callback(std::move(cb)) {}
template <typename... Args>
void EventConnection<Args...>::Invoke(Args... e) { callback(e...); }
template <typename delegate, typename... Args>
void Connection<delegate, Args...>::Invoke(Args... e) { callback(e...); }
template <typename ... Args>
bool EventConnection<Args...>::Disconnect() {
template <typename delegate, typename ... Args>
bool Connection<delegate, Args...>::Disconnect() {
if (active) {
owner->Disconnect(this);
active = false;

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@@ -1,15 +1,25 @@
#include <iostream>
#include <functional>
#include <Event.h>
#include <EventConnection.h>
void ProcessMessage(const std::string& message)
{
std::cout << "Received: " << message << std::endl;
}
// TODO: Event tests here.
int main() {
Event<std::string> OnMessage;
Event<int> cum;
cum += [] (int i) { std::cout << i+5 << std::endl; };
cum.Invoke(69);
BasicEvent<std::function<void(std::string)>, std::string> OnMessage;
BasicEvent<std::function<void()>> VoidDelegate;
bool run = true;
@@ -24,15 +34,19 @@ int main() {
std::string input;
std::cin >> input;
OnMessage.Invoke(input);
VoidDelegate.Invoke();
OnMessage(input);
VoidDelegate();
}
return 0;
}
#ifdef _WIN32
extern "C" {
int wmain(int argc, wchar_t* argv[]) {
return main(0, nullptr);
return main();
}
}
#endif

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@@ -1 +1,3 @@
#include <Event.h>
#include <Event.h>