package json

class Json private(val jString:String)

object Json{
implicit def num(v:Long):Json={
return new Json(v.toString())
}

implicit def num(v:Double):Json={
return new Json(v.toString())
}

implicit def str(v:String):Json={
if(v==null){
return Json.NULL;
}

//http://qiita.com/sifue/items/039846cf8415efdc5c92
val str={
val sb = new StringBuilder();
for (i <- 0 until v.length()) {
sb.append("\\u%04X".format(Character.codePointAt(v, i)));
}
"\""+sb.toString()+"\"";
}



return new Json(str)
}

implicit def bool(v:Boolean):Json={
return new Json(v.toString())
}

def arr(v:Json*):Json={
if(v==null){
return Json.NULL;
}

val sl=v.map{x=>if(x==null)"null"else x.jString};
return new Json("["+sl.mkString(",")+"]")
}

def obj(v:(String,Json)*):Json={
if(v==null){
return Json.NULL;
}

val sl=v.map{t=>Json.str(t._1).jString+":"+(if(t._2==null)"null"else t._2.jString)};
return new Json("{"+sl.mkString(",")+"}");
}

val NULL=new Json("null");
val TRUE=new Json("true");
val FALSE=new Json("false");
}