Node.js

Iterate over Direct Children with a Specific Tag

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Demonstrates how to iterate over direct children having a specific tag.

The input XML, available at http://www.chilkatsoft.com/data/fruit.xml, is this:

<root>
    <fruit color="red">apple</fruit>
    <fruit color="green">pear</fruit>
    <veg color="orange">carrot</veg>
    <meat animal="cow">beef</meat>
    <xyz>
        <fruit color="blue">blueberry</fruit>
        <veg color="green">broccoli</veg>
    </xyz>
    <fruit color="purple">grape</fruit>
    <cheese color="yellow">cheddar</cheese>
</root>

Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    var xml = new chilkat.Xml();
    // child: Xml
    var child;
    var numWithTag;
    var i;

    // The sample input XML is available at http://www.chilkatsoft.com/data/fruit.xml
    success = xml.LoadXmlFile("fruit.xml");
    if (success !== true) {
        console.log(xml.LastErrorText);
        return;
    }

    //  Get the number of direct children having the tag "fruit"
    numWithTag = xml.NumChildrenHavingTag("fruit");

    if (numWithTag > 0) {

        for (i = 0; i <= numWithTag - 1; i++) {
            child = xml.GetNthChildWithTag("fruit",i);
            console.log(i + ": " + child.Tag + " : " + child.Content);

        }

        console.log("-----");

        // Do the same as the above loop, but instead of creating
        // a new object instance for each child, call GetNthChildWithTag2 to
        // update the object's reference instead.
        for (i = 0; i <= numWithTag - 1; i++) {
            // Navigate to the Nth child.  
            success = xml.GetNthChildWithTag2("fruit",i);
            console.log(i + ": " + xml.Tag + " : " + xml.Content);
            // Navigate back up to the parent:
            success = xml.GetParent2();
        }

        console.log("-----");
    }


}

chilkatExample();