(Python) XML SearchForAttribute Method

Demonstrates the SearchForAttribute method.

The input XML, available at http://www.chilkatsoft.com/data/fruitSearch.xml, is this:

<root>
    <searchRoot>
        <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>
    </searchRoot>
    <fruit color="red">strawberry</fruit>
    <fruit color="orange">peach</fruit>
    <root></root>
</root>

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import sys
import chilkat

xml = chilkat.CkXml()

#  The sample input XML is available at http://www.chilkatsoft.com/data/fruitSearch.xml
success = xml.LoadXmlFile("fruitSearch.xml")
if (success != True):
    print xml.lastErrorText()
    sys.exit()

#  Search the sub-tree rooted at "searchRoot"
# xSearchRoot is a CkXml
xSearchRoot = xml.FindChild("searchRoot")

#  Search for all "fruit" nodes having a color attribute
#  where the name of the color ends in "e"
# xBeginAfter is a CkXml
xBeginAfter = None
# xFound is a CkXml
xFound = xSearchRoot.SearchForAttribute(xBeginAfter,"fruit","color","*e")
while not (xFound == None ) :

    print xFound.content() + ": " + xFound.getAttrValue("color")

    # xBeginAfter is a CkXml
    xBeginAfter = xFound
    # xFound is a CkXml
    xFound = xSearchRoot.SearchForAttribute(xBeginAfter,"fruit","color","*e")

#  The correct output is:
#  grape: purple
#  blueberry: blue

print "--------------------------"

#  ---------------------------------------------------------------------------------
#  Now do the same, but instead use SearchForAttribute2
#  which updates the internal reference of the caller instead
#  of returning the found node.

# xBeginAfter is a CkXml
xBeginAfter = xSearchRoot.GetSelf()
# xSearch is a CkXml
xSearch = xSearchRoot.GetSelf()

success = xSearch.SearchForAttribute2(xBeginAfter,"fruit","color","*e")
while success == True :

    print xSearch.content() + ": " + xSearch.getAttrValue("color")

    #  Copy the internal references so that the next search
    #  begins after the found node.
    xBeginAfter.CopyRef(xSearch)
    xSearch.CopyRef(xSearchRoot)

    success = xSearch.SearchForAttribute2(xBeginAfter,"fruit","color","*e")