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Stack.js
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Stack.js
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if(!dojo._hasResource["dojox.collections.Stack"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.collections.Stack"] = true;
dojo.provide("dojox.collections.Stack");
dojo.require("dojox.collections._base");
dojox.collections.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 dojox.collections.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 dojox.collections.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
};
}
}

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