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