From 4dafefe46a72ba47468b13d011f8299055081b0f Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Fri, 22 Oct 2021 23:59:54 +0800
Subject: *LuaBind

---
 Runtime/Lua/LuaBind/signal/signal.h | 451 ++++++++++++++++++++++++++++++++++++
 1 file changed, 451 insertions(+)
 create mode 100644 Runtime/Lua/LuaBind/signal/signal.h

(limited to 'Runtime/Lua/LuaBind/signal/signal.h')

diff --git a/Runtime/Lua/LuaBind/signal/signal.h b/Runtime/Lua/LuaBind/signal/signal.h
new file mode 100644
index 0000000..97882c6
--- /dev/null
+++ b/Runtime/Lua/LuaBind/signal/signal.h
@@ -0,0 +1,451 @@
+// Aseprite Base Library
+// Copyright (c) 2001-2013 David Capello
+//
+// This file is released under the terms of the MIT license.
+// Read LICENSE.txt for more information.
+
+#ifndef BASE_SIGNAL_H_INCLUDED
+#define BASE_SIGNAL_H_INCLUDED
+#pragma once
+
+//#include "base/slot.h"
+//#include "base/remove_from_container.h"
+
+#include "./slot.h"
+#include "./remove_from_container.h"
+
+#include <vector>
+
+// Signal0_base<R> - Base class to delegate responsibility to
+// functions of zero arguments.
+template<typename R>
+class Signal0_base
+{
+public:
+  typedef R ReturnType;
+  typedef Slot0<R> SlotType;
+  typedef std::vector<SlotType*> SlotList;
+
+protected:
+  SlotList m_slots;
+
+public:
+  Signal0_base() { }
+  Signal0_base(const Signal0_base<R>& s)
+  {
+    copy(s);
+  }
+  ~Signal0_base()
+  {
+    disconnectAll();
+  }
+
+  SlotType* addSlot(SlotType* slot)
+  {
+    m_slots.push_back(slot);
+    return slot;
+  }
+
+  template<typename F>
+  SlotType* connect(const F& f)
+  {
+    return addSlot(new Slot0_fun<R, F>(f));
+  }
+
+  template<class T>
+  SlotType* connect(R (T::*m)(), T* t)
+  {
+    return addSlot(new Slot0_mem<R, T>(m, t));
+  }
+
+  const SlotList& getSlots() const
+  {
+    return m_slots;
+  }
+
+  void disconnect(SlotType* slot)
+  {
+    base::remove_from_container(m_slots, slot);
+  }
+
+  void disconnectAll()
+  {
+    typename SlotList::iterator end = m_slots.end();
+    for (typename SlotList::iterator
+           it = m_slots.begin(); it != end; ++it)
+      delete *it;
+    m_slots.clear();
+  }
+
+  bool empty() const
+  {
+    return m_slots.empty();
+  }
+
+  Signal0_base& operator=(const Signal0_base<R>& s) {
+    copy(s);
+    return *this;
+  }
+
+private:
+
+  void copy(const Signal0_base<R>& s)
+  {
+    typename SlotList::const_iterator end = s.m_slots.end();
+    for (typename SlotList::const_iterator
+           it = s.m_slots.begin(); it != end; ++it) {
+      m_slots.push_back((*it)->clone());
+    }
+  }
+
+};
+
+// Signal0<R>
+template<typename R>
+class Signal0 : public Signal0_base<R>
+{
+public:
+  Signal0() { }
+
+  Signal0(const Signal0<R>& s)
+    : Signal0_base<R>(s) { }
+
+  R operator()(R default_result = R())
+  {
+    R result(default_result);
+    typename Signal0_base<R>::SlotList::iterator end = Signal0_base<R>::m_slots.end();
+    for (typename Signal0_base<R>::SlotList::iterator
+           it = Signal0_base<R>::m_slots.begin(); it != end; ++it) {
+      typename Signal0_base<R>::SlotType* slot = *it;
+      result = (*slot)();
+    }
+    return result;
+  }
+
+  template<typename Merger>
+  R operator()(R default_result, const Merger& m)
+  {
+    R result(default_result);
+    Merger merger(m);
+    typename Signal0_base<R>::SlotList::iterator end = Signal0_base<R>::m_slots.end();
+    for (typename Signal0_base<R>::SlotList::iterator
+           it = Signal0_base<R>::m_slots.begin(); it != end; ++it) {
+      typename Signal0_base<R>::SlotType* slot = *it;
+      result = merger(result, (*slot)());
+    }
+    return result;
+  }
+
+};
+
+// Signal0<void>
+template<>
+class Signal0<void> : public Signal0_base<void>
+{
+public:
+  Signal0() { }
+
+  Signal0(const Signal0<void>& s)
+    : Signal0_base<void>(s) { }
+
+  void operator()()
+  {
+    SlotList::iterator end = m_slots.end();
+    for (SlotList::iterator
+           it = m_slots.begin(); it != end; ++it) {
+      SlotType* slot = *it;
+      (*slot)();
+    }
+  }
+
+};
+
+// Signal1_base<R, A1> - Base class to delegate responsibility to
+// functions of one argument.
+template<typename R, typename A1>
+class Signal1_base
+{
+public:
+  typedef R ReturnType;
+  typedef Slot1<R, A1> SlotType;
+  typedef std::vector<SlotType*> SlotList;
+
+protected:
+  SlotList m_slots;
+
+public:
+  Signal1_base() { }
+  Signal1_base(const Signal1_base<R, A1>& s)
+  {
+    copy(s);
+  }
+  ~Signal1_base()
+  {
+    disconnectAll();
+  }
+
+  SlotType* addSlot(SlotType* slot)
+  {
+    m_slots.push_back(slot);
+    return slot;
+  }
+
+  template<typename F>
+  SlotType* connect(const F& f)
+  {
+    return addSlot(new Slot1_fun<R, F, A1>(f));
+  }
+
+  template<class T>
+  SlotType* connect(R (T::*m)(A1), T* t)
+  {
+    return addSlot(new Slot1_mem<R, T, A1>(m, t));
+  }
+
+  const SlotList& getSlots() const
+  {
+    return m_slots;
+  }
+
+  void disconnect(SlotType* slot)
+  {
+    base::remove_from_container(m_slots, slot);
+  }
+
+  void disconnectAll()
+  {
+    typename SlotList::iterator end = m_slots.end();
+    for (typename SlotList::iterator
+           it = m_slots.begin(); it != end; ++it)
+      delete *it;
+    m_slots.clear();
+  }
+
+  bool empty() const
+  {
+    return m_slots.empty();
+  }
+
+  Signal1_base& operator=(const Signal1_base<R, A1>& s) {
+    copy(s);
+    return *this;
+  }
+
+private:
+
+  void copy(const Signal1_base<R, A1>& s)
+  {
+    typename SlotList::const_iterator end = s.m_slots.end();
+    for (typename SlotList::const_iterator
+           it = s.m_slots.begin(); it != end; ++it) {
+      m_slots.push_back((*it)->clone());
+    }
+  }
+
+};
+
+// Signal1<R, A1>
+template<typename R, typename A1>
+class Signal1 : public Signal1_base<R, A1>
+{
+public:
+  Signal1() { }
+
+  Signal1(const Signal1<R, A1>& s)
+    : Signal1_base<R, A1>(s) { }
+
+  R operator()(A1 a1, R default_result = R())
+  {
+    R result(default_result);
+    typename Signal1_base<R, A1>::SlotList::iterator end = Signal1_base<R, A1>::m_slots.end();
+    for (typename Signal1_base<R, A1>::SlotList::iterator
+           it = Signal1_base<R, A1>::m_slots.begin(); it != end; ++it) {
+      typename Signal1_base<R, A1>::SlotType* slot = *it;
+      result = (*slot)(a1);
+    }
+    return result;
+  }
+
+  template<typename Merger>
+  R operator()(A1 a1, R default_result, const Merger& m)
+  {
+    R result(default_result);
+    Merger merger(m);
+    typename Signal1_base<R, A1>::SlotList::iterator end = Signal1_base<R, A1>::m_slots.end();
+    for (typename Signal1_base<R, A1>::SlotList::iterator
+           it = Signal1_base<R, A1>::m_slots.begin(); it != end; ++it) {
+      typename Signal1_base<R, A1>::SlotType* slot = *it;
+      result = merger(result, (*slot)(a1));
+    }
+    return result;
+  }
+
+};
+
+// Signal1<void, A1>
+template<typename A1>
+class Signal1<void, A1> : public Signal1_base<void, A1>
+{
+public:
+  Signal1() { }
+
+  Signal1(const Signal1<void, A1>& s)
+    : Signal1_base<void, A1>(s) { }
+
+  void operator()(A1 a1)
+  {
+    typename Signal1_base<void, A1>::SlotList::iterator end = Signal1_base<void, A1>::m_slots.end();
+    for (typename Signal1_base<void, A1>::SlotList::iterator
+           it = Signal1_base<void, A1>::m_slots.begin(); it != end; ++it) {
+      typename Signal1_base<void, A1>::SlotType* slot = *it;
+      (*slot)(a1);
+    }
+  }
+
+};
+
+// Signal2_base<R, A1, A2> - Base class to delegate responsibility to
+// functions of two arguments.
+template<typename R, typename A1, typename A2>
+class Signal2_base
+{
+public:
+  typedef R ReturnType;
+  typedef Slot2<R, A1, A2> SlotType;
+  typedef std::vector<SlotType*> SlotList;
+
+protected:
+  SlotList m_slots;
+
+public:
+  Signal2_base() { }
+  Signal2_base(const Signal2_base<R, A1, A2>& s)
+  {
+    copy(s);
+  }
+  ~Signal2_base()
+  {
+    disconnectAll();
+  }
+
+  SlotType* addSlot(SlotType* slot)
+  {
+    m_slots.push_back(slot);
+    return slot;
+  }
+
+  template<typename F>
+  SlotType* connect(const F& f)
+  {
+    return addSlot(new Slot2_fun<R, F, A1, A2>(f));
+  }
+
+  template<class T>
+  SlotType* connect(R (T::*m)(A1, A2), T* t)
+  {
+    return addSlot(new Slot2_mem<R, T, A1, A2>(m, t));
+  }
+
+  const SlotList& getSlots() const
+  {
+    return m_slots;
+  }
+
+  void disconnect(SlotType* slot)
+  {
+    base::remove_from_container(m_slots, slot);
+  }
+
+  void disconnectAll()
+  {
+    typename SlotList::iterator end = m_slots.end();
+    for (typename SlotList::iterator
+           it = m_slots.begin(); it != end; ++it)
+      delete *it;
+    m_slots.clear();
+  }
+
+  bool empty() const
+  {
+    return m_slots.empty();
+  }
+
+  Signal2_base& operator=(const Signal2_base<R, A1, A2>& s) {
+    copy(s);
+    return *this;
+  }
+
+private:
+
+  void copy(const Signal2_base<R, A1, A2>& s)
+  {
+    typename SlotList::const_iterator end = s.m_slots.end();
+    for (typename SlotList::const_iterator
+           it = s.m_slots.begin(); it != end; ++it) {
+      m_slots.push_back((*it)->clone());
+    }
+  }
+
+};
+
+// Signal2<R, A1>
+template<typename R, typename A1, typename A2>
+class Signal2 : public Signal2_base<R, A1, A2>
+{
+public:
+  Signal2() { }
+
+  Signal2(const Signal2<R, A1, A2>& s)
+    : Signal2_base<R, A1, A2>(s) { }
+
+  R operator()(A1 a1, A2 a2, R default_result = R())
+  {
+    R result(default_result);
+    typename Signal2_base<R, A1, A2>::SlotList::iterator end = Signal2_base<R, A1, A2>::m_slots.end();
+    for (typename Signal2_base<R, A1, A2>::SlotList::iterator
+           it = Signal2_base<R, A1, A2>::m_slots.begin(); it != end; ++it) {
+      typename Signal2_base<R, A1, A2>::SlotType* slot = *it;
+      result = (*slot)(a1, a2);
+    }
+    return result;
+  }
+
+  template<typename Merger>
+  R operator()(A1 a1, A2 a2, R default_result, const Merger& m)
+  {
+    R result(default_result);
+    Merger merger(m);
+    typename Signal2_base<R, A1, A2>::SlotList::iterator end = Signal2_base<R, A1, A2>::m_slots.end();
+    for (typename Signal2_base<R, A1, A2>::SlotList::iterator
+           it = Signal2_base<R, A1, A2>::m_slots.begin(); it != end; ++it) {
+      typename Signal2_base<R, A1, A2>::SlotType* slot = *it;
+      result = merger(result, (*slot)(a1, a2));
+    }
+    return result;
+  }
+
+};
+
+// Signal2<void, A1>
+template<typename A1, typename A2>
+class Signal2<void, A1, A2> : public Signal2_base<void, A1, A2>
+{
+public:
+  Signal2() { }
+
+  Signal2(const Signal2<void, A1, A2>& s)
+    : Signal2_base<void, A1, A2>(s) { }
+
+  void operator()(A1 a1, A2 a2)
+  {
+    typename Signal2_base<void, A1, A2>::SlotList::iterator end = Signal2_base<void, A1, A2>::m_slots.end();
+    for (typename Signal2_base<void, A1, A2>::SlotList::iterator
+           it = Signal2_base<void, A1, A2>::m_slots.begin(); it != end; ++it) {
+      typename Signal2_base<void, A1, A2>::SlotType* slot = *it;
+      (*slot)(a1, a2);
+    }
+  }
+
+};
+
+#endif
-- 
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