builder.js

原名JSPackager

var Builder = {NODEMAP:{AREA:"map", CAPTION:"table", COL:"table", COLGROUP:"table", LEGEND:"fieldset", OPTGROUP:"select", OPTION:"select", PARAM:"object", TBODY:"table", TD:"table", TFOOT:"table", TH:"table", THEAD:"table", TR:"table"}, node:function (elementName) {elementName = elementName.toUpperCase();var parentTag = this.NODEMAP[elementName] || "div";var parentElement = document.createElement(parentTag);try {parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";}catch (e) {}var element = parentElement.firstChild || null;if (element && (element.tagName != elementName)) {element = element.getElementsByTagName(elementName)[0];}if (!element) {element = document.createElement(elementName);}if (!element) {return;}if (arguments[1]) {if (this._isStringOrNumber(arguments[1]) || (arguments[1] instanceof Array)) {this._children(element, arguments[1]);} else {var attrs = this._attributes(arguments[1]);if (attrs.length) {try {parentElement.innerHTML = "<" + elementName + " " + attrs + "></" + elementName + ">";}catch (e) {}element = parentElement.firstChild || null;if (!element) {element = document.createElement(elementName);for (attr in arguments[1]) {element[attr == "class" ? "className" : attr] = arguments[1][attr];}}if (element.tagName != elementName) {element = parentElement.getElementsByTagName(elementName)[0];
}}}}if (arguments[2]) {this._children(element, arguments[2]);}return element;}, _text:function (text) {return document.createTextNode(text);}, _attributes:function (attributes) {var attrs = [];for (attribute in attributes) {attrs.push((attribute == "className" ? "class" : attribute) + "=\"" + attributes[attribute].toString().escapeHTML() + "\"");}return attrs.join(" ");}, _children:function (element, children) {if (typeof children == "object") {children.flatten().each(function (e) {if (typeof e == "object") {element.appendChild(e);} else {if (Builder._isStringOrNumber(e)) {element.appendChild(Builder._text(e));}}});} else {if (Builder._isStringOrNumber(children)) {element.appendChild(Builder._text(children));}}}, _isStringOrNumber:function (param) {return (typeof param == "string" || typeof param == "number");}};