tag.js

原名JSPackager

function DefaultTag() {}DefaultTag.prototype.$namespaceURI = "";DefaultTag.prototype.$Element = function (context, node) {context.printIndent();context.print("<");context.print(node.tagName);var attrs = node.attributes;for (var i = 0; i < attrs.length; i++) {var attr = attrs.item(i);this.$Attribute(context, attr);}var nl = node.childNodes;if (nl == null || nl.length == 0) {context.println("/>");} else {context.print(">");context.depth++;for (var i = 0; i < nl.length; i++) {context.output(nl.item(i));}context.depth--;context.printIndent();context.print("</");context.print(node.tagName);context.println(">");}};var xmlns = /^xmlns$|^xmlns:/;DefaultTag.prototype.$Attribute = function (context, node) {var value = context.evalText(node.value);if (value == null || value == "") {return;}if (xmlns.test(node.name)) {var tag = context.getTaglib(value);if (tag) {value = tag.$realNamespaceURI || value;}}context.print(" ");context.print(node.name);context.print("=\"");context.print(context.encodeAttribute(value));context.print("\"");};DefaultTag.prototype.$Text = function (context, node) {
context.print(context.encodeText(context.evalText(node.data)));};DefaultTag.prototype.$CDATASection = function (context, node) {context.print("<![CDATA[");context.print(context.evalText(node.data));context.print("]]>");};DefaultTag.prototype.$EntityReference = function (context, node) {};DefaultTag.prototype.$Entity = function (context, node) {};DefaultTag.prototype.$ProcessingInstruction = function (context, node) {context.print("<?");context.print(node.nodeName);context.print(" ");context.print(node.data + "?>");};DefaultTag.prototype.$Comment = function (context, node) {
context.print("<!--");context.print(context.encodeText(node.data));context.print("-->");};DefaultTag.prototype.$Document = function (context, node) {for (var n = node.firstChild; n != null; n = n.nextSibling) {context.output(n);}};DefaultTag.prototype.$DocumentType = function (context, node) {if (node.xml) {context.print(node.xml);} else {if (node.publicId) {context.print("<!DOCTYPE ");context.print(node.nodeName);context.print(" PUBLIC \"");context.print(node.publicId);context.print("\" \"");context.print(node.systemId);context.print("\">");} else {context.print("<!DOCTYPE ");context.print(node.nodeName);context.print("[");context.print(node.internalSubset);context.print("]>");}}};DefaultTag.prototype.$DocumentFragment = function (context, node) {var nl = node.childNodes;for (var i = 0; i < nl.length; i++) {context.output(nl.item(i));}};DefaultTag.prototype.$Notation = function (context, node) {};function AbstractTag() {}AbstractTag.prototype = new DefaultTag();AbstractTag.prototype.$Element = function (context, node) {var localName = node.localName || node.baseName;if (this[localName] instanceof Function) {this[localName](context, node);} else {DefaultTag.prototype.$Element.apply(this, context, node);
}};function XHTMLTag() {}XHTMLTag.prototype = new AbstractTag();XHTMLTag.prototype.$namespaceURI = "http://www.xidea.org/taglib/xhtml";XHTMLTag.prototype.$realNamespaceURI = "http://www.w3.org/1999/xhtml";var htmlLeaf = /^meta$|^link$|^img$|^br$|^hr$/i;XHTMLTag.prototype.$Element = function (context, node) {context.printIndent();context.print("<");context.print(node.tagName);var attrs = node.attributes;for (var i = 0; i < attrs.length; i++) {var attr = attrs.item(i);this.$Attribute(context, attr);}var nl = node.childNodes;if (nl == null || nl.length == 0) {if (htmlLeaf.test(node.tagName)) {context.println("/>");} else {context.println(">");context.print("</");context.print(node.tagName);context.println(">");}} else {context.print(">");context.depth++;if (node.tagName.toUpperCase() == "SCRIPT") {for (var i = 0; i < nl.length; i++) {var c = nl.item(i);if (c.nodeType == 4) {
if (/^[\s$]*\/\//.test(c.data)) {context.print("//");}}context.output(c);}} else {for (var i = 0; i < nl.length; i++) {context.output(nl.item(i));}}context.depth--;context.printIndent();context.print("</");context.print(node.tagName);context.println(">");}};function CoreTag() {}CoreTag.prototype = new AbstractTag();CoreTag.prototype.$namespaceURI = "http://www.xidea.org/taglib/core";function VarStatus(items) {this.items = items;this.begin = 0;this.end = this.items.length - 1;this.step = 1;this.current = this.items[0];this.count = this.items.length;this.index = this.begin;this.first = true;this.last = this.count == 1;}VarStatus.prototype.next = function () {this.index++;this.first = false;this.last = this.index + 1 >= this.count;this.current = this.items[this.index];};CoreTag.prototype.forEach = function (context, node) {
var items = node.getAttribute("items");items = context.evalText(items);var varStatus = node.getAttribute("varStatus");if (varStatus) {var status = new VarStatus(items);context.valueStack.setVariable(varStatus, status);}items = new Iterator(items);var id = node.getAttribute("var");while (items.hasNext()) {try {var item = items.next();if (id) {context.valueStack.setVariable(id, item);} else {context.valueStack.push(item);}var nl = node.childNodes;for (var j = 0; j < nl.length; j++) {context.output(nl.item(j));}}finally {if (!id) {context.valueStack.pop();}if (status) {status.next();}}}};CoreTag.prototype["if"] = function (context, node) {var test = node.getAttribute("test");test = context.evalText(test);context.valueStack.setVariable("if", test);if (test) {var nl = node.childNodes;for (var j = 0; j < nl.length; j++) {
context.output(nl.item(j));}}};CoreTag.prototype["elseif"] = function (context, node) {var test = context.valueStack.getVariable("if");if (test) {this["if"](context, node);}};CoreTag.prototype["else"] = function (context, node) {var test = context.valueStack.getVariable("if");if (!test) {var nl = node.childNodes;for (var j = 0; j < nl.length; j++) {context.output(nl.item(j));}}};CoreTag.prototype.choose = function (context, node) {try {context.valueStack.push({choose:false});var nl = node.childNodes;for (var j = 0; j < nl.length; j++) {context.output(nl.item(j));}}finally {context.valueStack.pop();}};CoreTag.prototype.when = function (context, node) {var test = context.valueStack.getVariable("choose");
if (!test) {var test = node.getAttribute("test");test = context.evalText(test);context.valueStack.setVariable("choose", test);if (test) {var nl = node.childNodes;for (var j = 0; j < nl.length; j++) {context.output(nl.item(j));}}}};CoreTag.prototype.otherwise = function (context, node) {var test = context.valueStack.getVariable("choose");if (!test) {var nl = node.childNodes;for (var j = 0; j < nl.length; j++) {context.output(nl.item(j));}}};CoreTag.prototype.script = function (context, node) {with (context) {with (context.valueStack.context) {var nl = node.childNodes;for (var j = 0; j < nl.length; j++) {var t = nl.item(j);if (t.nodeType == 3 || t.nodeType == 4) {eval(t.data);}}}}};CoreTag.prototype.out = function (context, node) {var esc = context.evalBoolean(node.getAttribute("escapeXml"));var value = node.getAttribute("value") || "";if (value) {try {value = context.evalText(value);
}catch (e) {value = "";}}if (!value && (value = node.getAttribute("default"))) {try {value = context.evalText(value);}catch (e) {value = "";}}if (esc) {value = context.encodeText(value);}context.print(value);};CoreTag.prototype.set = function (context, node) {var value = node.getAttribute("value");value = context.evalText(value);context.valueStack.setVariable(node.getAttribute("var"), value);};