Node.js

XML SearchForTag Method

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Demonstrates the SearchForTag and SearchForTag2 methods.

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

<root>
    <searchRoot>
        <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>
    </searchRoot>
    <fruit color="red">strawberry</fruit>
    <fruit color="orange">peach</fruit>
</root>

Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    var xml = new chilkat.Xml();
    // xSearchRoot: Xml
    var xSearchRoot;
    // xBeginAfter: Xml
    var xBeginAfter;
    // xFound: Xml
    var xFound;

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

    // Search the sub-tree rooted at "searchRoot"
    xSearchRoot = xml.FindChild("searchRoot");

    // Search for all nodes having the tag "fruit"
    xBeginAfter = xSearchRoot.GetSelf();
    xFound = xSearchRoot.SearchForTag(xSearchRoot,"fruit");
    while ((xSearchRoot.LastMethodSuccess == true)) {

        console.log(xFound.Content);

        xBeginAfter = xFound;
        xFound = xSearchRoot.SearchForTag(xBeginAfter,"fruit");
    }

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

    // ---------------------------------------------------------------------------------
    // Now do the same, but instead use SearchForTag2
    // which updates the internal reference of the caller instead
    // of returning the found node.
    // xSearch: Xml
    var xSearch;

    xBeginAfter = xSearchRoot.GetSelf();
    xSearch = xSearchRoot.GetSelf();

    success = xSearch.SearchForTag2(xBeginAfter,"fruit");
    while (success == true) {

        console.log(xSearch.Content);

        // Copy the internal references so that the next search
        // begins after the found node.
        xBeginAfter.CopyRef(xSearch);
        xSearch.CopyRef(xSearchRoot);

        success = xSearch.SearchForTag2(xBeginAfter,"fruit");
    }


}

chilkatExample();