dojo_app/js/library/dojox/collections/Stack.js

define(["dojo/_base/kernel", "dojo/_base/array", "./_base"], function(dojo, darray, dxc){

	dxc.Stack=function(/*array?*/ arr){
		// summary:
		//		returns an object of type dojox.collections.Stack
		var q=[];
		if (arr) q=q.concat(arr);
		this.count=q.length;
		this.clear=function(){
			// summary:
			//		Clear the internal array and reset the count
			q=[];
			this.count=q.length;
		};
		this.clone=function(){
			// summary:
			//		Create and return a clone of this Stack
			return new dxc.Stack(q);
		};
		this.contains=function(/*object*/ o){
			// summary:
			//		check to see if the stack contains object o
			for (var i=0; i<q.length; i++){
				if (q[i] == o){
					return true;	//	bool
				}
			}
			return false;	//	bool
		};
		this.copyTo=function(/*array*/ arr, /*int*/ i){
			// summary:
			//		copy the stack into array arr at index i
			arr.splice(i,0,q);
		};
		this.forEach=function(/*function*/ fn, /*object?*/ scope){
			// summary:
			//		functional iterator, following the mozilla spec.
			dojo.forEach(q, fn, scope);
		};
		this.getIterator=function(){
			// summary:
			//		get an iterator for this collection
			return new dxc.Iterator(q);	//	dojox.collections.Iterator
		};
		this.peek=function(){
			// summary:
			//		Return the next item without altering the stack itself.
			return q[(q.length-1)];	//	object
		};
		this.pop=function(){
			// summary:
			//		pop and return the next item on the stack
			var r=q.pop();
			this.count=q.length;
			return r;	//	object
		};
		this.push=function(/*object*/ o){
			// summary:
			//		Push object o onto the stack
			this.count=q.push(o);
		};
		this.toArray=function(){
			// summary:
			//		create and return an array based on the internal collection
			return [].concat(q);	//	array
		};
	};
	return dxc.Stack;
});