(Node.js) Traverse the XML Tree

Demonstrates how to traverse all nodes in an XML tree.

Note: This example requires Chilkat v9.5.0.77 or greater.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // Use the NextInTraversal2 method to traverse all nodes in the XML tree rooted at the caller.

    var xml = new chilkat.Xml();

    var success = xml.LoadXmlFile("qa_data/xml/twoPigs.xml");

    // This is the XML traversed in this example:

    // <pig-rescue>
    //   <herd name="Cathy">
    // 	<species name="pot belly pig">
    // 	    <animal>
    // 	        <name>Molly II</name>
    // 	        <birth>February, 1998</birth>
    // 			<in-date>January, 2000</in-date>
    // 			<from>Middle Ave.</from>
    // 			<gender spay-neuter="yes">F</gender>
    // 			<info>Molly came from a place where an old, ill man had too many animals.
    // 	              	The animals were seldom fed and rats would eat the newborn piglets.
    // 	             	 When Molly was found at one week old, she was the only piglet of 
    // 	              	her siblings who did not get stepped on by a cow. She is a sweet, 
    // 	              	friendly pig who likes to hang out on Cathy's porch on the lounge 
    // 	              	pad.
    // 			</info>
    // 		</animal>
    // 	    <animal>
    // 			<name>Nigel</name>
    // 			<birth>June, 1991</birth>
    // 			<in-date>August, 1991</in-date>
    // 			<from>Breeder</from>
    // 			<gender spay-neuter="no">M</gender>
    // 			<info>
    // 			 	Nigel was the first pig and the reason for the rescue in the
    // 			 	first place. He is 13 now and doing well, but takes a number 
    // 				of medications, as you can see below.
    // 			</info>
    // 		</animal>		
    // 	</species>
    //   </herd>
    // </pig-rescue>

    // The sbState is an object used to keep track of the current state of the traversal.
    var sbState = new chilkat.StringBuilder();
    while (xml.NextInTraversal2(sbState) !== false) {

        console.log(xml.Tag);
        console.log(xml.TagPath);
        console.log("");

    }

    // Produces the following output:

    // herd
    // herd
    // 
    // species
    // herd|species
    // 
    // animal
    // herd|species|animal[0]
    // 
    // name
    // herd|species|animal[0]|name
    // 
    // birth
    // herd|species|animal[0]|birth
    // 
    // in-date
    // herd|species|animal[0]|in-date
    // 
    // from
    // herd|species|animal[0]|from
    // 
    // gender
    // herd|species|animal[0]|gender
    // 
    // info
    // herd|species|animal[0]|info
    // 
    // animal
    // herd|species|animal[1]
    // 
    // name
    // herd|species|animal[1]|name
    // 
    // birth
    // herd|species|animal[1]|birth
    // 
    // in-date
    // herd|species|animal[1]|in-date
    // 
    // from
    // herd|species|animal[1]|from
    // 
    // gender
    // herd|species|animal[1]|gender
    // 
    // info
    // herd|species|animal[1]|info
    // 

}

chilkatExample();