Lianja

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>

Lianja

llSuccess = .F.

loXml = createobject("CkXml")

// The sample input XML is available at http://www.chilkatsoft.com/data/fruit.xml
llSuccess = loXml.LoadXmlFile("qa_data/xml/fruit.xml")
if (llSuccess <> .T.) then
    ? loXml.LastErrorText
    release loXml
    return
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.
loChild = loXml.FindChild("meat")
if (loXml.LastMethodSuccess = .F.) then
    ? 'No direct child having the tag "meat" was found.'
else
    ? "Content = " + loChild.Content
    release loChild
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.
llSuccess = loXml.FindChild2("meat")
if (llSuccess = .T.) then
    // Success!  The xml object now references the found child.
    ? "Content = " + loXml.Content
    // Restore the reference back to the parent.
    llSuccess = loXml.GetParent2()
else
    ? 'No direct child having the tag "meat" was found.'
endif



release loXml