function localStorageInterface(){}
localStorageInterface.prototype={dataset:[],dataset_keys:[],set:function(a,b,d){var c=this.dataset.indexOf(a);if(-1==c)return!1;-1==this.dataset_keys[c].indexOf(b)&&(this.dataset_keys[c].push(b),localStorage.setItem(a,JSON.stringify(this.dataset_keys[c])));localStorage.setItem(a+"_"+b,JSON.stringify(d));return!0},get:function(a,b){return-1==this.dataset.indexOf(a)?!1:JSON.parse(localStorage.getItem(a+"_"+b))},createDataset:function(a){if(null==a||"string"!=typeof a)return!1;if(-1<this.dataset.indexOf(a))return!0;
var b=localStorage.getItem(a);null!=b?(this.dataset.push(a),this.dataset_keys.push(JSON.parse(b))):(this.dataset.push(a),this.dataset_keys.push([]),localStorage.setItem(a,JSON.stringify([])));return!0},keys:function(a){a=this.dataset.indexOf(a);return-1==a?!1:this.dataset_keys[a]},"export":function(a){var b=this.dataset.indexOf(a);if(-1==b)return!1;for(var d={},c=0;c<this.dataset_keys[b].length;c++)d[this.dataset_keys[b][c]]=this.get(a,this.dataset_keys[b][c]);return d}};var lsi=new localStorageInterface;