From 70b82d1981c0de3c7b77670ff8abcfeb26815142 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 12 Mar 2019 00:39:26 +0800
Subject: *misc

---
 Source/Samples/LuaxTest/header.h |  60 +++++++++++++
 Source/Samples/LuaxTest/main.cpp | 190 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 250 insertions(+)
 create mode 100644 Source/Samples/LuaxTest/header.h
 create mode 100644 Source/Samples/LuaxTest/main.cpp

(limited to 'Source/Samples')

diff --git a/Source/Samples/LuaxTest/header.h b/Source/Samples/LuaxTest/header.h
new file mode 100644
index 0000000..386ae71
--- /dev/null
+++ b/Source/Samples/LuaxTest/header.h
@@ -0,0 +1,60 @@
+
+#ifndef ASSERT
+#ifdef NDEBUG
+#define ASSERT(x) { false ? (void)(x) : (void)0; }
+#else
+#ifdef _WIN32
+#define ASURA_DEBUG_BREAK() __debugbreak()
+#else
+#define ASURA_DEBUG_BREAK()  raise(SIGTRAP) 
+#endif
+#define ASSERT(x) do { const volatile bool asura_assert_b____ = !(x); if(asura_assert_b____) ASURA_DEBUG_BREAK(); } while (false)
+#endif
+#endif
+
+///
+/// 继承Singleton的类在第一次实例化时保存实例，之后如果再次实例化会报错。
+/// 
+template<class T>
+class Singleton
+{
+public:
+
+	static T* Get()
+	{
+		// 如果之前没有创建，在这里立即创建一个并保存
+		if (!instance) instance = new T;
+		// 返回实例
+		return instance;
+	}
+
+	static void Destroy()
+	{
+		delete instance;
+		instance = nullptr;
+	}
+
+protected:
+
+	Singleton()
+	{
+		// 如果有instance，意味着又创建了一个实例，这是错误的。
+		ASSERT(!instance);
+		// 否则，将本实体作为实例
+		instance = static_cast<T*>(this);
+	};
+
+	virtual ~Singleton() {};
+
+	static T* instance;
+
+private:
+
+	Singleton(const Singleton& singleton);
+
+	Singleton& operator = (const Singleton& singleton);
+
+};
+
+template<class T>
+T* Singleton<T>::instance = nullptr;
diff --git a/Source/Samples/LuaxTest/main.cpp b/Source/Samples/LuaxTest/main.cpp
new file mode 100644
index 0000000..828b427
--- /dev/null
+++ b/Source/Samples/LuaxTest/main.cpp
@@ -0,0 +1,190 @@
+///
+/// Scripting with Lua.
+///
+extern "C"{
+#include "Lua51/lua.h"
+#include "Lua51/lauxlib.h"
+}
+#include "Luax/luax.h"
+#include "header.h"
+
+#include <iostream>
+#include <string>
+
+using namespace std;
+using namespace Luax;
+
+//----------------------------------------------------------------------------------------------------------------
+
+class School : Singleton<School>
+{
+public:
+
+	School() : mName("Koko") {}
+
+private:
+
+	const char* mName;
+
+public:
+
+	LUAX_DECL_SINGLETON(School);
+
+	LUAX_DECL_METHOD(l_GetName);
+
+};
+
+int School::l_GetName(lua_State* L)
+{
+	LuaxState state(L);
+
+	School* school = Get();
+
+	state.Push(school->mName);
+	return 1;
+}
+
+void School::RegisterLuaxClass(LuaxState& state)
+{
+	state.SetField(-1, "Region", "Block 1"); // 101班
+
+	luaL_Reg regTable[] = {
+		{ "GetName", l_GetName },
+		{ NULL, NULL }
+	};
+
+	state.Register(regTable);
+
+}
+
+//----------------------------------------------------------------------------------------------------------------
+
+class Boy : public LuaxClass
+{
+public:
+
+	Boy(int age) : mAge(age) {}
+
+private:
+
+	int mAge; 
+
+public:
+
+	LUAX_DECL_FACTORY(SimBoy);
+
+	// member methods
+	LUAX_DECL_METHOD(l_New);
+	LUAX_DECL_METHOD(l_GetAge);
+
+	// class method
+	LUAX_DECL_METHOD(l_GetGender);
+
+};
+
+int Boy::l_New(lua_State* L)
+{
+	LuaxState state(L);
+
+	int age = state.GetValue(1, 0);
+
+	Boy* boy = new Boy(age);
+	boy->PushLuaUserdata(state);
+	
+	return 1;
+}
+
+int Boy::l_GetAge(lua_State* L)
+{
+	LUAX_SETUP(L, "U");
+	
+	return 1;
+}
+
+int Boy::l_GetGender(lua_State* L)
+{
+	LUAX_SETUP(L, "*");
+	state.Push("male student!");
+	return 1;
+}
+
+void Boy::RegisterLuaxClass(LuaxState& state)
+{
+	state.SetField(-1, "Class",  101); // 101班
+	state.SetField(-1, "Gender", "Male"); // 101班
+
+	luaL_Reg regTable[] = {
+		{"GetGender", l_GetGender},
+		{NULL, NULL}
+	};
+
+	state.Register(regTable);
+}
+
+void Boy::RegisterLuaxInterface(LuaxState& state)
+{
+	luaL_Reg regTable[] = {
+		{"New", l_New},
+		{NULL, NULL}
+	};
+
+	state.Register(regTable);
+}
+
+//----------------------------------------------------------------------------------------------------------------
+
+string script = R"(
+function main() 
+	local a = 19
+	print(Asura.version)
+	print(Asura.author.name)
+	print("ok")
+	print(Asura.author.func())
+--	local boy = Asura.SimBoy.New("I am peter!", 19)
+--	boy:Say()
+--  print(Asura.SimSchool.GetName())
+	print(Asura.SimBoy.Class)
+	print(Asura.SimBoy.Gender)
+	print(Asura.SimBoy.GetGender())
+	print(Asura.SimBoy.GetClassName())
+	print(Asura.School.GetName())
+	print(Asura.School.Region)
+end 
+function err(msg)
+	print(msg)
+end
+xpcall(main, err)
+)";
+
+//----------------------------------------------------------------------------------------------------------------
+
+int func(lua_State* L)
+{
+	LUAX_SETUP(L, "*");
+	state.Push("func ok");
+	return 1;
+}
+
+int main()
+{
+	lua_State* L = lua_open();
+	Luax::LuaxState state(L);
+	state.OpenLibs();
+	state.PushNamespace("Asura");
+	state.PushNamespace("author"); 
+	state.SetField(-1, "name", "chai");
+	state.SetField(-1, "func", func);
+	state.PopNamespace(); // Asura.author
+	state.SetField(-1, "version", 100);
+	cout << state.GetField<float>(-1, "version", 0);
+
+	state.RegisterSingleton<School>();
+	state.RegisterFactory<Boy>();
+	
+	state.PopNamespace(); // Asura
+	state.DoString(script);
+
+	lua_close(L);
+
+	getchar();
+}
\ No newline at end of file
-- 
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