if(typeof Text == "undefined"){
	var Text = {}
}
Text.QuickTemplate = function(){
	this.initialize.apply(this, arguments);
	return this;
};
// static function
Text.QuickTemplate.extend({
	clear_cache : function(){
		Text.QuickTemplate.prototype.cache = {};
		return this;
	}
});

Text.QuickTemplate.prototype = {
 initialize : function(){
	this.params = {};
	this.tmpl = this.get(arguments[0]) || arguments[0];
	this.delimiters = ["\\{\\{", "\\}\\}"];
	if(arguments[1]) this.extend(arguments[1]);
	var str = this.delimiters[0]+"(.*?)"+this.delimiters[1];
	this.sep = new RegExp(str,"g");
 },
 cache : {},
 clear_cache : function(){
	Text.QuickTemplate.prototype.cache = {};
	return this;
 },
 param : function(){
	var self = this;
	arguments.toArray().forEach(function(v,i){
		self.params.extend(v)
	});
	return this;
 },
 clear : function(){
	this.params = {};
	return this;
 },
 get : function(id){
	var self = this;
	if(self.cache[id]){
		return self.cache[id]
	}
	var d = document.getElementById("tmpl_"+id);
	if(!d){return null}
	var tmp = d.innerHTML;
	self.cache[id] = tmp.replace(/(\r|\n|\t)*?<!--(\r|\n|\t)*?|(\r|\n|\t)*?-->(\r|\n|\t)*/g,"");
	return self.cache[id]
 },
 set : function(id,value){
	var self = this;
	self.cache[id] = value;
	return this;
 },
 compile : function(){
	var str = ""+this.delimiters[0]+"(.*?)"+this.delimiters[1]+"";
	var sep = new RegExp(str,"g");
	var buf = [];
	var builder = function(){
		var param = arguments.callee.param;
		arguments.toArray().forEach(function(v,i){
			param.extend(v)
		});
		return buf.join("")
	};
	builder.param = {};
	var last = 0;
	this.tmpl.replace(sep,function(){
		var a = arguments;
		buf.push(a[3].slice(last,a[2]));
		last = a[2] + a[0].length;
		var n = [];
		n.toString = function(){
			return builder.param[a[1]] ?
				builder.param[a[1]].toString ?
					builder.param[a[1]].toString()
					:""
				:""
		}
		buf.push(n);
		return arguments[1];
	});
	buf.push(this.tmpl.slice(last));
	return builder;
 },
 fill : function(){
	var self = this;
	var buf = this.tmpl;
	var arg = arguments;
	var sep = this.sep;
	arg.toArray().forEach(function(v,i){
		self.params.extend(v)
	});
	return buf.replace(sep,function(){
		return (undefined == self.params[arguments[1]])?"":self.params[arguments[1]];
	});
 },
 fill_expr : function(){
	var self = this;
	var buf = this.tmpl;
	var arg = arguments;
	var sep = this.sep;
	arg.toArray().forEach(function(v,i){
		self.params.extend(v)
	});
	return buf.replace(sep,function(){
		var match = arguments[1];
		var pair = match.split("=");
		if(pair.length == 2){
			self.params[pair[0]] = pair[1];
			return "";
		}
		var p = self.params[arguments[1]];
		if(typeof p == "function"){
			return p.call(self.params)
		}
		return (undefined == p)?"":p;
	});
 },
 toString : function(){
	return this.fill();
 }
};
var QT = Text.QuickTemplate;

String.prototype.fill = function(){
	var tmp = new QT(this);
	return tmp.fill.apply(tmp,arguments);
};

String.prototype.fill_expr = function(){
	var tmp = new QT(this);
	return tmp.fill_expr.apply(tmp,arguments);
};