AddAttribute - Insert New Attribute in XML Node

Demonstrates adding an name=value attribute to an XML tag.

This example uses the XML sample file sample1.xml. The sample1.xml file contains this content:

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require 'chilkat'

xml = Chilkat::CkXml.new()

success = xml.LoadXmlFile("sample1.xml")
if (success != true)
    print xml.lastErrorText() + "\n";
    exit
end

#  Navigate to the "books" node:

bFound = xml.FindChild2("books")
if (bFound == false)
    print "No books child found!" + "\n";
    exit
end

numChildren = xml.get_NumChildren()

for i in 0 .. numChildren - 1

    #  Navigate to the Nth book (we'll assume success...)
    bFound = xml.GetChild2(i)

    #  Display the book title:
    print xml.getAttrValue("title") + "\n";

    #  Add a new integer attribute:
    #  Should never fail..
    success = xml.AddAttributeInt("bookId",i)

    #  Add a new unread="yes" attribute:
    success = xml.AddAttribute("unread","yes")

    #  Navigate back up to the parent:
    success = xml.GetParent2()

end

#  Navigate back to the document root:
xml.GetRoot2()

#  Save the updated document:
success = xml.SaveXml("modified.xml")
if (success != true)
    print xml.lastErrorText() + "\n";
    exit
end