明月松間照 清泉石上流

//XML 解析

XML.newDocument = function(rootTagName, namespaceURL) {
??? if (!rootTagName) rootTagName = "";
??? if (!namespaceURL) namespaceURL = "";

??? if (document.implementation && document.implementation.createDocument) {
??????? // This is the W3C standard way to do it
??????? return document.implementation.createDocument(namespaceURL,
????????????????????????????????????????????????????? rootTagName, null);
??? }
??? else { // This is the IE way to do it
??????? // Create an empty document as an ActiveX object
??????? // If there is no root element, this is all we have to do
??????? var doc = new ActiveXObject("MSXML2.DOMDocument");

??????? // If there is a root tag, initialize the document
??????? if (rootTagName) {
??????????? // Look for a namespace prefix
??????????? var prefix = "";
??????????? var tagname = rootTagName;
??????????? var p = rootTagName.indexOf(':');
??????????? if (p != -1) {
??????????????? prefix = rootTagName.substring(0, p);
??????????????? tagname = rootTagName.substring(p+1);
??????????? }

??????????? // If we have a namespace, we must have a namespace prefix
??????????? // If we don't have a namespace, we discard any prefix
??????????? if (namespaceURL) {
??????????????? if (!prefix) prefix = "a0"; // What Firefox uses
??????????? }
??????????? else prefix = "";

??????????? // Create the root element (with optional namespace) as a
??????????? // string of text
??????????? var text = "<" + (prefix?(prefix+":"):"") +? tagname +
??????????????? (namespaceURL
???????????????? ?(" xmlns:" + prefix + '="' + namespaceURL +'"')
???????????????? :"") +
??????????????? "/>";
??????????? // And parse that text into the empty document
??????????? doc.loadXML(text);
??????? }
??????? return doc;
??? }
};

function loadFromUrl(url) {
??? // Create a new document with the previously defined function
??? var xmldoc = XML.newDocument( );
??? xmldoc.async = false;? // We want to load synchronously
??? xmldoc.load(url);????? // Load and parse
??? return xmldoc;???????? // Return the document
}

function xmlToString(xmlDoc)
{
??? var?xmlString;
??? try
??? {
??????? if (navigator.appName == "Microsoft Internet Explorer")
??????? {
??????????? xmlString = xmlDoc.xml;
??????? }
??????? else
??????? {
??????????? xmlString = new XMLSerializer().serializeToString( xmlDoc );
??????? }
??? }
??? catch (e)
??? {
??????? xmlString = null;
??? }
??? return xmlString;
}

?

function stringToXMLDoc(str)
{
??? var xmlDoc = null;
??? try
??? {
??????? var xmlDOMObj = new ActiveXObject("Microsoft.XMLDOM");
??????? xmlDOMObj.async = false;
??????? xmlDOMObj.loadXML(str);
??????? xmlDoc = xmlDOMObj;
??? }
??? catch (e)
??? {
??????? try
??????? {
??????????? var domParser = new DOMParser;
??????????? xmlDoc = domParser.parseFromString(str, 'text/xml');
??????? }
??????? catch (e)
??????? {
??????????? xmlDoc = null;
??????? }
??? }
??? return xmlDoc;

?

}

function stringToXMLDoc(str) {
??? if (typeof DOMParser != "undefined") {
??????? // Mozilla, Firefox, and related browsers
??????? return (new DOMParser( )).parseFromString(text, "application/xml");
??? }
??? else if (typeof ActiveXObject != "undefined") {
??????? // Internet Explorer.
??????? var doc = XML.newDocument( );? // Create an empty document
??????? doc.loadXML(text);??????????? // Parse text into it
??????? return doc;?????????????????? // Return it
??? }
??? else {
??????? // As a last resort, try loading the document from a data: URL
??????? // This is supposed to work in Safari. Thanks to Manos Batsis and
??????? // his Sarissa library (sarissa.sourceforge.net) for this technique.
??????? var url = "data:text/xml;charset=utf-8," + encodeURIComponent(text);
??????? var request = new XMLHttpRequest( );
??????? request.open("GET", url, false);
??????? request.send(null);
??????? return request.responseXML;
??? }
}