collections.js

原名JSPackager

function Iterator() {if (arguments.length == 1) {var obj = arguments[0];if (obj instanceof Iterator) {return obj;} else {if (obj instanceof Array) {this.values = obj;} else {return new IteratorAdapter(obj);}}} else {this.values = arguments;}this.index = 0;}Iterator.prototype.hasNext = function () {return this.index < this.values.length;};Iterator.prototype.next = function () {return this.values[this.index++];};function IteratorAdapter(obj) {this.base = obj;if (typeof obj.next == "function") {this.next = this.$next;this.hasNext = this.$hasNext;} else {if (obj.hasMoreElements) {this.next = this.$nextElement;this.hasNext = this.$hasMoreElements;} else {if (obj.moveNext && obj.item) {this.next = this.$item;this.hasNext = this.$notEnd;} else {if (obj instanceof Object) {var arr = [];for (var n in obj) {arr.push({key:n, value:obj[n]});}return new Iterator(arr);} else {throw new Error("unknow type");}}}}if (!this.hasNext) {if (this.next) {this.value = this.next();this.next = this.$next$next;this.hasNext = this.$next$hasNext;} else {throw new Error("can not adapter:" + obj);}}}IteratorAdapter.prototype.$next$next = function () {try {return this.value;}finally {return this.value = this.$next$();}};IteratorAdapter.prototype.$next$hasNext = function () {return this.value != null;};IteratorAdapter.prototype.$next = function () {return this.base.next();
};IteratorAdapter.prototype.$hasNext = function () {return this.base.hasNext();};IteratorAdapter.prototype.$hasMoreElements = function () {return this.base.hasMoreElements();};IteratorAdapter.prototype.$nextElement = function () {return this.base.nextElement();};IteratorAdapter.prototype.$item = function () {try {return this.base.item();}finally {this.base.moveNext();}};IteratorAdapter.prototype.$notEnd = function () {return !this.base.atEnd();};function StackMap(p) {if (StackMap.prototype == null) {StackMap.prototype = p;try {return new StackMap(p);}finally {StackMap.prototype = null;}} else {return StackMap.create(p);}}StackMap.prototype = null;StackMap.tryFirst = function () {};StackMap.create = function (p) {function tc() {}tc.prototype = p;return new tc();};