app.d

import std.stdio;

import mruby;
import mruby.compile;
import mruby.value;
import mruby.data;
import mruby.mrb_class;
import mruby.value;
import std.string;
import std.conv;

struct Test
{
  string mystr;
  ulong myulong;
  @property string[] mystrarr;
  string[string] mystrmap;
}

Test t;

extern(C) mrb_value mrb_nil_value();
extern(C) {
	mrb_value getval(mrb_state *mrb, mrb_value self)
	{
     char* key;
     string k;
     mrb_get_args(mrb, "z", &key);
     //
     //writeln("key: ", key.fromStringz);
     k = key.fromStringz.to!string;
     
     string val = t.mystrmap.get(k,null);
     if (val)
		    return mrb_str_new(mrb, val.toStringz, val.length);
     else
       return self;
//return self;
	}
}

import std.datetime;
import core.thread;

void main()
{
  t.mystrmap["x"] = "xYOLO";
	auto mrb = mrb_open;
	auto Foo = mrb_define_class(mrb, "Foo", mrb.object_class);

	mrb_define_method(mrb, Foo, "get", &getval, 262144);

	auto code = "x = Foo.new; puts 'hello'; puts x.get('x') ";
	writeln("Executing Ruby code from D!");
  //   StopWatch sw;
  //    sw.start();
   mrb_load_string(mrb, code.toStringz);
  //   sw.stop();
  //   writeln( sw.peek().msecs, " [ms] per call:", sw.peek().msecs.to!float / 50_000_000 );
  //   writeln( "per second: ", 50_000_000 /sw.peek().seconds.to!float);
  //   writeln("finished");
  //
  //
  //   Thread.sleep( dur!("seconds")( 1 ) );
  //   char[] buf;
  //   stdin.readln(buf);
}

dub.sdl

name "test-mruby"
description "A minimal D application."
copyright "Copyright © 2015, yannick"
authors "yannick"
dependency "d_mruby" version="~>0.0.2"