Xojo Plugin

Find Direct Child with Specific Tag

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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>

Xojo Plugin

Dim success As Boolean
success = False

Dim xml As New Chilkat.Xml

// The sample input XML is available at http://www.chilkatsoft.com/data/fruit.xml
success = xml.LoadXmlFile("qa_data/xml/fruit.xml")
If (success <> True) Then
    System.DebugLog(xml.LastErrorText)
    Return
End If

// Find the direct child node having the tag "meat", and 
// return a new instance of the XML object referencing the
// child node, if found.
Dim child As Chilkat.Xml
child = xml.FindChild("meat")
If (xml.LastMethodSuccess = False) Then
    System.DebugLog("No direct child having the tag ""meat"" was found.")
Else
    System.DebugLog("Content = " + child.Content)

End If

// 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) Then
    // Success!  The xml object now references the found child.
    System.DebugLog("Content = " + xml.Content)
    // Restore the reference back to the parent.
    success = xml.GetParent2()
Else
    System.DebugLog("No direct child having the tag ""meat"" was found.")
End If