Classic ASP

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>

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Classic ASP

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
success = 0

set xml = Server.CreateObject("Chilkat.Xml")

success = xml.LoadXmlFile("qa_data/xml/fruitSearch.xml")
If (success <> 1) Then
    Response.Write "<pre>" & Server.HTMLEncode( xml.LastErrorText) & "</pre>"
    Response.End
End If

' Search the sub-tree rooted at "searchRoot"
' xSearchRoot is a Chilkat.Xml
Set xSearchRoot = xml.FindChild("searchRoot")
If (xml.LastMethodSuccess = 0) Then
    Response.Write "<pre>" & Server.HTMLEncode( "searchRoot not found, searching from root.") & "</pre>"
    ' 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)

    Response.Write "<pre>" & Server.HTMLEncode( xFound.Content & ": " & xFound.GetAttrValue("color")) & "</pre>"

    ' 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

Response.Write "<pre>" & Server.HTMLEncode( "--------------------------") & "</pre>"

' ---------------------------------------------------------------------------------
' 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

    Response.Write "<pre>" & Server.HTMLEncode( xSearch.Content & ": " & xSearch.GetAttrValue("color")) & "</pre>"

    ' 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


%>
</body>
</html>