AutoIt

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>

AutoIt

Local $bSuccess = False

$oXml = ObjCreate("Chilkat.Xml")

; The sample input XML is available at http://www.chilkatsoft.com/data/fruit.xml
$bSuccess = $oXml.LoadXmlFile("qa_data/xml/fruit.xml")
If ($bSuccess <> True) Then
    ConsoleWrite($oXml.LastErrorText & @CRLF)
    Exit
EndIf

; Find the direct child node having the tag "meat", and 
; return a new instance of the XML object referencing the
; child node, if found.
Local $oChild = $oXml.FindChild("meat")
If ($oXml.LastMethodSuccess = False) Then
    ConsoleWrite("No direct child having the tag ""meat"" was found." & @CRLF)
Else
    ConsoleWrite("Content = " & $oChild.Content & @CRLF)

EndIf

; 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.
$bSuccess = $oXml.FindChild2("meat")
If ($bSuccess = True) Then
    ; Success!  The xml object now references the found child.
    ConsoleWrite("Content = " & $oXml.Content & @CRLF)
    ; Restore the reference back to the parent.
    $bSuccess = $oXml.GetParent2()
Else
    ConsoleWrite("No direct child having the tag ""meat"" was found." & @CRLF)
EndIf