(Swift 3,4,5...) Find Direct Child with Specific Tag

Demonstrates how to find a direct child 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>

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

func chilkatTest() {
    let xml = CkoXml()!

    // The sample input XML is available at http://www.chilkatsoft.com/data/fruit.xml
    var success: Bool = xml.loadFile("qa_data/xml/fruit.xml")
    if success != true {
        print("\(xml.lastErrorText!)")
        return
    }

    // Find the direct child node having the tag "meat", and 
    // return a new instance of the XML object referencing the
    // child node, if found.
    var child: CkoXml? = xml.findChild("meat")
    if xml.lastMethodSuccess == false {
        print("No direct child having the tag \"meat\" was found.")
    }
    else {
        print("Content = \(child!.content!)")
        child = nil
    }

    // The same can be accomplished without creating a new 
    // XML object instance.  Instead, the FindChild2 method updates
    // the caller's internal reference to the found child, if successful.
    success = xml.findChild2("meat")
    if success == true {
        // Success!  The xml object now references the found child.
        print("Content = \(xml.content!)")
        // Restore the reference back to the parent.
        success = xml.getParent2()
    }
    else {
        print("No direct child having the tag \"meat\" was found.")
    }


}