(VBScript) 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>

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

Dim fso, outFile
Set fso = CreateObject("Scripting.FileSystemObject")
'Create a Unicode (utf-16) output text file.
Set outFile = fso.CreateTextFile("output.txt", True, True)

' For versions of Chilkat < 10.0.0, use CreateObject("Chilkat_9_5_0.Xml")
set xml = CreateObject("Chilkat.Xml")

success = xml.LoadXmlFile("qa_data/xml/fruitSearch.xml")
If (success <> 1) Then
    outFile.WriteLine(xml.LastErrorText)
    WScript.Quit
End If

' Search the sub-tree rooted at "searchRoot"
' xSearchRoot is a Chilkat.Xml
Set xSearchRoot = xml.FindChild("searchRoot")
If (xml.LastMethodSuccess = 0) Then
    outFile.WriteLine("searchRoot not found, searching from root.")
    ' xSearchRoot is a Chilkat.Xml
    Set xSearchRoot = xml.GetRoot()
End If

' Search for all "fruit" nodes having a color attribute
' where the name of the color ends in "e"
' xBeginAfter is a Chilkat.Xml
Set xBeginAfter = xSearchRoot.GetSelf()
' xFound is a Chilkat.Xml
Set xFound = xSearchRoot.SearchForAttribute(xBeginAfter,"fruit","color","*e")
Do While (xSearchRoot.LastMethodSuccess = 1)

    outFile.WriteLine(xFound.Content & ": " & xFound.GetAttrValue("color"))

    ' xBeginAfter is a Chilkat.Xml
    Set xBeginAfter = xFound
    ' xFound is a Chilkat.Xml
    Set xFound = xSearchRoot.SearchForAttribute(xBeginAfter,"fruit","color","*e")
Loop

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

outFile.WriteLine("--------------------------")

' ---------------------------------------------------------------------------------
' 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 Chilkat.Xml
Set xBeginAfter = xSearchRoot.GetSelf()
' xSearch is a Chilkat.Xml
Set xSearch = xSearchRoot.GetSelf()

success = xSearch.SearchForAttribute2(xBeginAfter,"fruit","color","*e")
Do While success = 1

    outFile.WriteLine(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")
Loop


outFile.Close