D2 反射和defineEum! 练习

备忘：

module DioApp;


import std.stdio;
import std.conv;
import std.string;
import std.metastrings;
import std.typecons;
import samsTools.utils;


mixin(defineEnum!("Shape","Triangle","Square","Ecllipse","Circle","Undefined"));

enum Color
{
	None,
	White,
	Black,
	Red,
	Undefined,
}
string[] colorInStr=["None","White","Black","Red","Undefined"];
class Animal
{
	public void sayHi()
	{
		writefln("Animal.sayHi()");
	}

}
class Cat:Animal 
{
	public void sayHi()
	{
		writefln("Cat.sayHi()");
	}
}
class Mouse:Animal
{
	public void sayHi()
	{
		writefln("Mouse.sayHi()");
	}
}
class Dog:Animal
{
	public:

	this()
	{
		Name="No Name";
		Age=0;
		color=Color.White;
	}

	string Name()
	{
		return name;
	}
	string Name(string name)
	{
		return this.name=name;
	}

	int Age()
	{
		return age;
	}
	int Age(int age)
	{
		return this.age=age;
	}
	Color color()
	{
		return m_color;
	}
	Color color(Color m_color)
	{
		return this.m_color=m_color;
	}

	void jump()
	{
		writefln(Name ~" is jumping");
	}
	void sayHi()
	{
		string result="Hello ! I'm %s\n"
				~"I'am %d years old\n"
				~"I'm wearing a %s color cloths.\n"
				~"Don't you like it?";
		writefln(result,Name,Age,colorInStr[color]);
	}
	/*static*/ void doit(){}
	/*
	string toString()
	{
		return "Name:"~name~"\n"
			  ~"Age:"~age~"\n"
			  ~"Color:"~m_color~"\n";
	}
	*/
	private:
	string name;
	Color m_color;
	int age;

}
void testObjFactory()
{
	string[] animal=["DioApp.Cat","DioApp.Mouse","DioApp.Dog"];
	//ClassInfo info= ClassInfo.find(animal[0]);
	//writefln(info.name);
	//writefln(info.base.name);


	for(int i=0;i<animal.length;++i)
	{
		string what=animal[i];
		auto obj=cast(Animal)Object.factory(what);
		if(__traits(hasMember,Animal,"sayHi"))
			obj.sayHi;
	}
}
void testEnum()
{
	Shape shape= Shape.Triangle;
	string triangle= enumToString(shape);
	writefln(triangle);

	string circle="Circle";
	Shape s_circle;
	enumFromString( circle,s_circle);
	writefln( "%s",s_circle);
	writefln(enumToString(s_circle));
}
int main(string[] args)
{
	/*
	auto input=askfor!(float);

	writefln("You entered %12.3f",input);

	write("Please enter a char:");
	char ch=readln[0];
	writefln("you entered %s",ch);

	write("Please enter you salary:");
	double salary=to!(double)(chomp(readln));
	writefln("You entered %f",salary);

	salary= askfor!(double)("Please enter your salary below.\nPlease enter ");
	writefln("You salary is %.2f",salary);

	*/
	/*
	auto Kitty=new Dog;
	Kitty.Name="Kitty";
	Kitty.Age=3;
	Kitty.color=Color.Black;

	//Kitty.sayHi;

	//Kitty.color=Color.Red;
	//Kitty.sayHi;

	//writeln(Kitty);

	auto obj=cast(Dog)Object.factory("DioApp.Dog");
	//Dog doggie=cast(Dog)obj;
	obj.sayHi;
	*/
	//obj=new Dog;
	/*
	writefln("First test:");
	if(__traits(hasMember,obj,"sayHi"))
		writefln("has member sayHi()");

	if(obj is null)
		writefln("Null class instance");
	Dog doggie=cast(Dog)obj;
	writefln("Second test");
	if(__traits(hasMember,doggie,"sayHi"))
		writefln("Has member sayHi()");

	writefln("Third test:");
	foreach(e;__traits(allMembers,Dog))//.contain("sayHi"))
	{
		if(e=="sayHi")
		writefln("sayHi() is a method of the class");
	}

	if(doggie !is null)
		//writefln("Null Dog instance.");
		doggie.sayHi;

	if(__traits(compiles,Dog.doit))
		writefln("doit is a static function of class Dog");
	*/
	//auto CDog=ClassInfo.find("Dog").create;
	//auto dog=cast(Dog)CDog;
	//if(dog is null)
	//	writefln("dog is null");
	//auto dog=cast(Dog)doggie;
	//dog.sayHi;

	//auto doggie=cast(Dog)CDog.create;
	//auto doggie= new CDog.name;
	//doggie.sayHi;


	//testEnum;
	testObjFactory;

	pause;
	return 0;
}