Ruby

Find Direct Child with Specific Tag

See more XML Examples

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>

Ruby

require 'chilkat'

success = false

xml = Chilkat::CkXml.new()

# 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)
    print xml.lastErrorText() + "\n";
    exit
end

# Find the direct child node having the tag "meat", and 
# return a new instance of the XML object referencing the
# child node, if found.
# child is a CkXml
child = xml.FindChild("meat")
if (xml.get_LastMethodSuccess() == false)
    print "No direct child having the tag \"meat\" was found." + "\n";
else
    print "Content = " + child.content() + "\n";

end

# 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() + "\n";
    # Restore the reference back to the parent.
    success = xml.GetParent2()
else
    print "No direct child having the tag \"meat\" was found." + "\n";
end